20221796 Ver 1_Major Variance_20221222

Staff Review Form
NORTH CAROLINA
Envlronm¢ntcl Qvofiry
Updated September 4, 2020
Staff Review
Does this application have all the attachments needed to accept it into the review process?*
Yes No
ID# *
20221796
Version* 1
Is this project a public transportation project?*
Yes
• No
Reviewer List: * Kelsey Rowland:eads\ksrowland
Select Reviewing Office: * Central Office - [phone]
Submittal Type: * Major Variance
Does this project require a request for payment to be sent?*
Yes
No

Project Submittal Form
Please note: fields marked with a red asterisk * below are required. You will not be able to submit the form until all
mandatory questions are answered.
Project Type: *
For the Record Only (Courtesy Copy)
New Project
Modification/New Project with Existing ID
More Information Response
Other Agency Comments
Pre -Application Submittal
Re-Issuance\Renewal Request
Stream or Buffer Appeal
Pre -Filing Meeting Date Request was submitted on:
11/2/2022
Project Contact Information
Name:
Jeff Harbour
Who is submitting the information?
Email Address: [e-mail]
Project Information
Project Name: Project Ocean
Is this a public transportation project?
Yes
No
Is the project located within a NC DCM Area of Environmental Concern (AEC)?
Yes No Unknown
County (ies)
Wake
Please upload all files that need to be submited.
Click the upload button or drag and drop files here to attach document
Project Ocean_Request for Authorization with
Exception Dec132022 V3.pdf
Only pdf or kmz files are accepted.
Describe the attachments or
comments:
11.76MB
The attachment is the complete application for an Authorization with Exception approval. Instructed by DWR to
use the Major Variance request form.
Sign and Submit
......................................................................................................................................................................................................................................................................................................................................................
By checking the box and signing box below, I certify that:

• I, the project proponent, hereby certifies that all information contained herein is true, accurate, and complete to the
best of my knowledge and belief.
• I, the project proponent, hereby requests that the certifying authority review and take action on this CWA 401
certification request within the applicable reasonable period of time.
• I agree that submission of this online form is a "transaction" subject to Chapter 66, Article 40 of the NC General
Statutes (the "Uniform Electronic Transactions Act");
• I agree to conduct this transaction by electronic means pursuant to Chapter 66, Article 40 of the NC General
Statutes (the "Uniform Electronic Transactions Act");
• I understand that an electronic signature has the same legal effect and can be enforced in the same way as a
written signature; AND
• I intend to electronically sign and submit the online form.
Signature:
Submittal Date: 12/22/2022
Is filled in automatically.

State of North Carolina
DWR Department of Environment and Natural Resources
Division of Water Resources
IlivWion of Water Resources
15A NCAC 02B .0233 (8)(b), .0243 (8)(b), .0250 (11)(b), .0259 (8)(b), .0267 (11)(c), .0607 (e)(2)
Protection and Maintenance of Riparian Areas Rules - Variance Application
FORM: VAR 10-2013
PLEASE IDENTIFY WHICH RIPARIAN AREA PROTECTION RULE APPLIES:
❑ X Neuse River Basin (15A NCAC 02B.0233)
x❑X Major Variance ❑ Minor Variance
❑ Catawba River Basin (15A NCAC 02B.0243)
❑ Randleman Lake Water Supply Watershed (15A NCAC 02B.0250)
❑ Major Variance ❑ Minor Variance
❑ Tar -Pamlico River Basin (15A NCAC 02B.0259)
❑ Major Variance ❑ Minor Variance
❑ Jordan Lake Water Supply Nutrient Strategy (15A NCAC 02B.0267)
❑ Major Variance ❑ Minor Variance
❑ Goose Creek Watershed (15A NCAC 02B.0606 & 15A NCAC 02B.0607)
A. General Information
1. Applicant's Information(if other than the current property owner):
Name:
Title:
Street Address:
City, State & Zip:
Telephone:
Email:
2. Property Owner/Signing Official (person legally responsible for the property and its compliance):
Name: Sound Timber Management LLC - H. Glenn Bagwell, Jr. , Manager
Title: Manager
Street Address: 333 Sherwee Drive
City, State & Zip: Raleigh, NC 27603
Telephone: [phone]
Email: [e-mail]
FORM: VAR 10-2013

3. Agent Information:
3a. Name: Jeff Harbour
Company Affiliation
Terracon
Street Address: 2401 Brentwood Road
City, State & Zip: Raleigh, NC 27604
Telephone: [phone]
E-mail: [e-mail]
3b. Attach a signed and dated copy of the Agent Authorization letter if the Agent has signatory authority for the owner.
4. Project Name (Subdivision, facility, or establishment name):
Proiect Ocean
5. Project Location:
5a. Street Address: 4320 Auburn Church Rd
City, State & Zip: Garner, NC 27529
5b. County: Wake
5c. Site Coordinates (in decimal degrees): 35.7159163 Latitude-78.5709808 Longitude
5d. Attach an 8'Y, x 11 excerpt from the most recent version of the USGS topographic map indicating the location of the site.
5e. Attach an 8'Y, x 11 excerpt from the most recent version of the published County NRCS Soil Survey Map depicting the
project site.
6. Property Information:
6a. Property identification number (parcel ID): 1721-45-8914
6b. Date property was purchased: 10/1/2012
6c. Deed book bk14952 and page number 2317
6d. Map book bm2021 and page number 1183-1185
6e. Attach a copy of the recorded map that indicates when the lot was last platted.
7. Is your project in one of the 20 Coastal Counties covered under the Coastal Area Management Act (CAMA)?
❑ YES X❑ NO
7a. If you answered yes above, in which AEC do you fall (30 ft or 75 ft)?
7b. If you answered yes above, what is the total percent of impervious cover that you have proposed within the AEC?
FORM: VAR 10-2013 Page 2 of 7

8. Directions to site from nearest major intersection:
9. Stream associated with riparian buffer to be impacted by the proposed activity:
Name Water Quality Classification
C, NSW
Poplar Branch
9a. For Goose Creek only: Is the buffer in the 100-year floodplain? ❑ YES ❑ NO
10. List any permits/approvals that have been requested or obtained for this project in the past (including all prior phases).
Date Applied: Date Received: Permit Type:
Project Ocean represents the second phase of the Eagle Crest property to be proposed for development. Phase 1 was permitted in
2020-2021 and is currently under construction. Phase 1 is independent of Project Ocean. Phase 1 of Eagle Crest incurred 0.02 acre
of wetland impact which was authorized by SAW-2020-01779 (issued 7/30/2021) and DWR# 20210137 (issued 7/29/2021).
B. Proposed Activity
1. Project Description
1a. Provide a detailed description of the proposed activity including its purpose:
The or000sed oroiect is a distribution facilitv and warehouse for two tenants. Receiving. handling. warehousing. and
shipping activities will occur. Less than 10% of the overall building size will accommodate administration, office, and
conferencing activities to support the distribution facility. To accommodate material handling equipment, receiving,
storage, and shipping, a maximum building size of 700,000 was originally planned and reduced to 625,500sf to
accommodate site constraints. The proiect will also provide truck docks, automobile parking, and trailer parking areas
for both tenants. A vehicle maintenance building and fuel station will be provided for the east side tenant.
1b. Attach a site plan showing the following items as applicable to the project:
0 Development/Project name
0 Revision number & date
0 North arrow
0 Scale (1" = 50' is preferred)
0 Property/project boundary with dimensions
0 Adjacent streets and roads labeled with names and/or NC State Road numbers
0 Original contours and proposed contours
0 Perennial and intermittent streams, ponds, lakes, rivers and estuaries
0 Mean high water line (if applicable)
0 Wetlands delineated, or a note on plans that none exist
0 Location of forest vegetation along the streams, ponds, lakes, rivers and estuaries
0 Extent of riparian buffers on the land including Zone 1 and Zone where applicable
0 Location and dimension of the proposed buffer impact (label the area of buffer impact in ftz on the plan)
0 Details of roads, parking areas, cul-de-sacs, sidewalks, and curb and gutter systems
0 Footprint of any proposed buildings or other structures
FORM: VAR 10-2013 Page 3 of 7

0 Discharge points of gutters on existing structures and proposed buildings
0 Existing drainage (including off -site), drainage easements, and pipe dimensions
0 Drainage areas delineated
C. Proposed Impacts and Mitigation
1. Individually list the square footage of each proposed impact to the protected riparian buffers:
Buffer Impact
Number'—
Permanent (P) or
Temporary (T)
Reason for Impact
Buffer
Mitigation
Required
Zone 1 Impact
(square feet)
Zone 2 Impact
(square feet)
B1 - ® P ❑ T
x Yes ❑ No
14,770
11,332
B2 -❑P ❑T
❑ Yes ❑No
B3 -❑P ❑T
❑ Yes ❑No
Total Buffer Impacts
26,102
'Label on site plan
2. Identify the square feet of impact to each zone of the riparian buffer that requires mitigation from the table above. Calculate
the amount of mitigation required.
Required
Zone
Total Impact
Multiplier
Mitigation
(square feet)
(square feet)
Zone 1'
14,770
3
44,310
(2 for Catawba only)
Zone 2
11,332
1.5
16,998
Total Buffer Mitigation Required:
61,308
'For projects in the Goose Creek Watershed, list all riparian buffer impacts as Zone 1
and use Zone 1 multiplier.
3. Provide a description of how mitigation will be achieved at your site pursuant to the mitigation requirements of the applicable
river basin/watershed.
The applicant has secured the necessary buffer mitigation through a private mitigation bank.
3a. Is buffer restoration or enhancement proposed? ❑ Yes x No
If yes, attach a detailed planting plan to include plant type, date of plantings, the date of the one-time fertilization in the
protected riparian buffers, and a plan sheet showing the proposed location of the plantings.
3b. Is payment into a buffer restoration fund proposed? x Yes ❑ No
If yes, attach an acceptance letter from the mitigation bank you propose to use or the NC Ecosystem Enhancement
Program stating they have the mitigation credits available for the mitigation requested.
FORM: VAR 10-2013 Page 4 of 7

D. Stormwater
1. Provide a description of how diffuse flow will be maintained through the protected riparian buffers (e.g., re -planting vegetation
or enhancement of existing vegetation, gutter splash pads, level spreader to control of runoff from impervious surfaces, etc.).
Ponds control the 1" storm via an orifice drawdown over 2-5 days. All other storm events up to and including the 100yr storm
are reduced in flow from the pre to the post total outflow. Pond outlets to existing drainage swales upstream of the 50' stream
buffers.
1a. Show the location of diffuse flow measure(s) on your site plan. Attached
1b. Attach a completed Level Spreader Supplement Form or BMP Supplement Form with all required items for each proposed
measure. Attached
1c. Attach an Operation and Maintenance (O&M) Form for each proposed level spreader or BMP.
2. For Major, Catawba, and Goose Creek variance requests, provide a description of all best management practices (BMPs) that
will be used to minimize disturbance and control the discharge of nutrients and sediments from stormwater.
2a. Show the location of BMPs on your site plan.
2b. Attach a Supplement Form for each structural BMP proposed.
2c. Attach an Operation and Maintenance (O&M) Form for each structural BMP proposed.
E. Demonstration of Need for a Variance
The variance provision of the riparian buffer rules allows the Division or the Environmental Management Commission to grant a
variance when there are practical difficulties or unnecessary hardships that prevent compliance with the strict letter of riparian
buffer protection.
1. Explain how complying with the provisions of the applicable rule would prevent you from securing a reasonable return from or
make reasonable use of your property. Merely proving that the variance would permit a greater profit from the property shall
not be considered adequate justification for a variance. The Division will consider whether the variance is the minimum possible
deviation from the terms of the applicable Buffer Rule that shall make reasonable use of the property possible.
The provisions of the applicable rule would make the distribution facility and warehouse not feasible. All program components
noted in the project description are required for this project and are minimums for proper operation and building leasing.
The first and primary consideration for the proposed site layout is occupant safety. For the property to have multiple tenants,
access for both passenger vehicles and truck traffic is required on the East and West sides as well as into the loading docks on
both the North and South sides (cross docked facility). To accommodate the safest access to these vehicular areas, the
straightest drive aisle from the public road is required. Moving the drive aisle any further to the South would either significantly
reduce building size and vehicular areas or cause an unsafe condition where visibility is reduced. Site Drawing 1 shows the
original and preferred plan for this drive aisle. Site Drawing 2 is the relocated aisle that provides for the least amount of buffer
disturbance. The owner has made this change to demonstrate a good faith effort at reducing the environmental impacts.
It should be noted that an elimination of any of these site components (loading docks, drive aisles, trailer parking) would create
a product that was not leasable and could not serve the needs of the distribution component of the project. The project would
FORM: VAR 10-2013 Page 5 of 7

then need to find another site location within Wake County. Due to the size of this project, there is no known site that could be
used to develop this facility.
Lastly, application of the buffer rule would eliminate many major site components and require approximately 500' of building
length to be removed. At that point, the project is not financially viable due to land and infrastructure costs that are required to
develop this site.
While these buffer rules would render the project not feasible, there are measures that have been taken to reduce the impact
to it. Those measures are:
1) Reducing the building depth from 500' to the minimum of 450'.
2) Moving vehicular parking, truck dock, western access drive and building as far to the southern property line as possible.
3) Moving the maintenance facility to the eastern end of the project so that entire project could move south.
4) The drive aisle has been moved south towards the truck parking spaces, reference Site Drawing 1 (original) and Site Drawing 2
(proposed).
5) Addition of large retaining walls along the northern edge to further reduce impacts to the buffer.
2. Explain how the hardship results from application of the Buffer Rule to the property rather from other factors such as deed
restrictions or other hardships (e.g. zoning setbacks, floodplains, etc.).
The hardship resulting from this instance results from a buffer being applied to a feature that was not considered to be a
jurisdictional intermittent or perennial stream. The buffer extends several hundred feet past the point where USACE
determined that Section 404 jurisdiction originates for the intermittent stream. In this instance, potential uses for the site were
based on the limits of Section 404 jurisdiction and the buffers that were thought to apply to the approved intermittent and
perennial stream determination. It was after the appeal period has passed when the full extent of this added buffer areas was
realized and when it was observed to extend well bevond the limits of the intermittent stream origin. the impact to the
proposed site plan and intended use of the property by the owner was immediately identified.
3. Explain how the hardship results from physical nature of the property, such as its size, shape, or topography, which is different
from that of neighboring property.
The property itself does not pose a significant hardship as all other wetland and stream impacts associated with this project
(Project Ocean) have been avoided. Future potential impacts for subsequent phases of the Eagle Crest site are to be undertaken
by other entities.
The primary hardship on this property that differs from that of a neighboring property is the buffer area that extends beyond
what was identified by USACE as the limit of an intermittent stream channel during their JD review of the site. The applicant has
made site plan modifications to avoid the USACE-defined intermittent stream and the buffer that was known to be on that
defined intermittent stream. However, DWR's establishment of an additional buffer beyond what was an approved intermittent
stream feature does create a significant hardship. The variance. if not approved. would prove fatal to this oroiect and for anv
similar intended use of the property because areas west of the buffer essentially become undevelopable.
4. Explain whether the hardship was caused by the applicant knowingly or unknowingly violating the applicable Buffer Rule.
The hardship was not caused by the applicant knowingly or unknowingly violating the applicable Buffer Rule
5. For Neuse, Tar -Pamlico, Jordan Lake and Goose Creek only: Did the applicant purchase the property after the effective date of
the applicable Buffer Rule and then request a variance?
No
6. Explain how the hardship is rare or unique to the applicant's property, rather than the result of conditions that are widespread.
FORM: VAR 10-2013 Page 6 of 7

This hardship is a rare circumstance, even by DWR's admission, where a buffer is placed on a drainage feature that is not
considered to be a jurisdictional intermittent or perennial stream. The buffer review performed by DWR (for Eagle Crest Tract 2,
attached) was conducted after the USACE review had occurred and the intermittent origin was clearly indicated in the field
when DWR extended the buffer past this point. In this instance the full extent and ramifications of this added buffer were not
fully realized until the appeal period had ended. The applicant did ask that DWR consider reassessing the area, but the request
was denied because the appeal period has passed. In addition, the report's coordinate location of the buffer and the report's
graphical location of the buffer do not match. The applicant has discussed this issue, via phone call, with DWR staff and the
determination was made that the graphical location is correct. Based on the verbal discussion, this application is prepared based
on the graphical location of the buffer. The buffer determination letter is included as an attachment.
F. Deed Restrictions
By your signature in Section G of this application, you certify that all structural stormwater BMPs required by this variance shall
be located in recorded drainage easements, that the easements will run with the land, that the easements cannot be changed
or deleted without concurrence from the State, and that the easements will be recorded prior to the sale of any lot.
G. Applicant's Certification
SOUND TIMBER MANAGEMENT LLC (print or type name of person listed in Section A, Item 2), certify that
the information included on this permit application form is correct, that the project will be constructed in conformance with the
approved plans and that the deed restrictions in accordance with Section F of this form will be recorded with all required permit
conditions.
Sound i ��a agemen C
Signature: By: Manager
61
Date: December 22, 2022
FORM: VAR 10-2013 Page 7 of 7

TABLE OF CONTENTS FOR ENVIRONMENTAL DATA
1. Re -Combination Plat
2. Agent Authorization Form
3. USGS Topographic Map and USDA Published Soil Survey Map
4. Original Design
5. Proposed Buffer Impact Map
6. Buffer Mitigation SOA
7. Approved Delineation Map
8. Eagle Crest Tract 2 DWR Buffer Determination Letter

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Irerracon
USACE/NCDWR Agent Authorization Form
Property/Site: Project Ocean
Address of Site: 4320 Auburn Church Rd, Garner, NC
Parcel Identification Number (PIN): 1721-45-8914
Owner Information:
Name: Sound Timber Management ILL
Address: 333 Sherwee Drive, Raleigh, NC 27603
Telephone Number: 919-779-6868
E-mail Address: hgbjr(aD_bellsouth.net
Property Owner Certification:
I, the undersigned, a duly authorized owner of record of the property/properties identified herein,
do authorize representatives of the Wilmington District, U.S. Army Corps of Engineers (Corps)
and/ or the North Carolina Division of Water Resources (NCDWR) to enter upon the property
herein described for the purpose of conducting on -site investigations and issuing a
determination associated with Waters of the U.S (WOTUS) subject to Federal/State jurisdiction
under Section 404 and 401 of the Clean Water Act and/or Section 10 of the Rivers and Harbors
Act of 1899. Terracon, as designated by the current property owner, is the authorized consultant
to coordinate, schedule, and provide supplemental information to both agencies in support of
this verification and/or permit application.
SOUND TIMBER MANAGEMENT LLC
Property Owner Signature: By:
Date: 9-29-2020
7r
Manager
Terracon Consultants Inc. 2401 Brentwood Road, Suite 107, Raleigh, INC 28208-3608
P:919-873-2211 F:919-873-9555 terracon.com

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EBX Buffer Mitigation Banks
Statement of Availability December 9, 2022
NC Division of Water Resources
Shelton Sullivan
512 N. Salisbury St.
Archdale Building, 9th floor
Raleigh, NC 27604
Re Project: Project Ocean
fires
This document confirms that Sound Timber Management, LLC (Applicant) for the Project Ocean (Project) has expressed
an interest to utilize 61,308.00 Square Feet of Riparian Buffer Mitigation Credits from one of the following banks, EBX-
Neuse I, LLC Neuse Riparian Buffer Umbrella Mitigation Bank, RES Neuse Buffer and Nutrient Offset Umbrella Mitigation
Bank, RES Poplar Creek Buffer & Nutrient Offset Umbrella Mitigation Bank, EBX Upper Neuse Riparian Buffer Umbrella
Mitigation Bank, RES 2021 Neuse Umbrella Mitigation Bank, or RES 2022 Phase II Umbrella Mitigation Bank. Specific bank
sites that may be debited are Buffalo Branch, Selma Mill, Cedar Grove, Hatley, Bucher, Hannah Bridge, Stone Creek,
Meadow Spring, Uzzle, Poplar Creek, Polecat, Wolf King and Thunder Swamp Phase II Bank, all located in HUC 03020201.
As the official Bank Sponsor, Environmental Banc & Exchange (EBX), attests to the fact that mitigation is available for
reservation at this time.
These mitigation credits are not considered secured, and consequently are eligible to be used for alternate purposes by
the Bank Sponsor, until payment in full is received from the Applicant resulting in the issuance of a Mitigation Credit
Transfer Certificate by the bank acknowledging that the Applicant has fully secured credits from the bank and the Banker
has accepted full responsibility for the mitigation obligation requiring the credits/units.
The Banker will issue the Mitigation Credit Transfer Certificate within three (3) days of receipt of the purchase price. Banker
shall provide to Applicant a copy of the Mitigation Credit Transfer Certificate and a documented copy of the debit of
credits from the Bank Official Credit Ledger(s), indicating the permit number and the resource type secured by the
applicant. A copy of the Mitigation Credit Transfer Certificate, with an updated Official Credit Ledger will also be sent to
regulatory agencies showing the proper documentation.
Please contact me at 919-209-1055 or [e-mail] if you have any questions.
Thank you!
Amy Staley
Credit Sales Manager
Bank Sponsor— Environmental Banc & Exchange (EBX)

0
The updated map for the Eagle Crest site (SAW-2020-01779) at 4100 Auburn Church Road, Garner,
Wake County, appears to reflect the changes made and discussed during our site visit on 11/20/2020. 1
will use this map when processing the PJD and/or permit application/request for this site.
As we discussed, please also provide the updated aquatic resources spreadsheet, and let me know if you
have any questions.
-Dave Bailey
David E. Bailey, PWS
Regulatory Project Manager
US Army Corps of Engineers
CE-SAW-RG-R
3331 Heritage Trade Drive, Suite 105
Wake Forest, North Carolina 27587
Phone: [phone], Ext. 30.
Fax: [phone]
Email: [e-mail]
We would appreciate your feedback on how we are performing our duties. Our automated Customer
Service Survey is located at: http://corpsmapu.usace.army.mil/cm apex/f?p=136:4:0
Thank you for taking the time to visit this site and complete the survey.
Maps approved by USACE are on following pages

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DocuSign Envelope ID:663FF516-3F3A-41F2-9CF8-4CD2C608FC46
ROY COOPER
Governor
MICHAEL S. REGAN
Serretapy
S. DAIVIEL SMITH
Direrror
Sound Timber Management LLC
333 Sherwee Dr.
Raleigh, NC 27603-3521
NORTH CAROLINA
Environmental Quality
January 5, 2021
Subject: Buffer Determination Letter
NBRRD #20-391
Wake
Determination Type:
Buffer
Intermittent/Perennial
® Neuse 05A NCAC 2B .0714)
❑ Tar -Pamlico 0SANCAC 2B .0734)
❑ Intermittent/Perennial Determination (where local
buffer ordinances apply)
ElJordan (15A NCAC 2B .0267) (governmental
and/or interjurisdictional projects)
Project Name: Eagle Crest Industrial Pro - Tract 2
AddresAocation: 4100 Auburn Church Road. Gamer. NC 27529
Stream(s): Big_Branch and UTs to Big Branch
Determination Date: December 23, 2020
or 4:."' Q E Q
Staff: J. Chris Smith
North Carolina Department of Environmental Quality I Division of Water Resources I Raleigh Regional office
3800 Barrett Drive 11628 Mall Service Center I Raleigh, North Carolina 27699.1628
919.791.4200

DocuSign Envelope ID: 663FF515-3F3A-41 F2-9CF8-4CD2C608FC48
Eagle Crest Industrial Property - Tract 2
Wake
January 6, 2021
Page 2 of 3
Feature
Feature
Not I
E1f/Pttt Subject
{z�
Sail
Subject Start @ Stop @ Survey
IISGS
Topo
DWR
Terracon
A
T2
P
X
Off Site
Off Site
X
X
l3
T4
1
X
Start 1: 35.716828,
-78.579666
Start 2: 35.718753,
-78.580519
Stop 1: 35.713214,
-78.584289
1 Stop 2: Stream A
X
C
T1
P
X
Present Throughout
X
X
D
T6
P
X
35.713722,-78.577483
Off Site
X
X
E
-
P
X
POND 4
Stream E
X
X
F
T12
P
X
Present Throughout
X
X
G
T14
I
X
35.7093,-78.56845
Stream H
X
H
T15
I
X
35.709678,-78.566856
Stream H
X
I
T16
P
X
Present Throughout
X
X
3
T17
P
X
Off Site
Stream J
X
X
K
SV
NP
X
-
-
X
L
SW
E
X
-
-
X
M
SX
E
X
-
-
X
N
SY
P
X
Off Site
Stream C
X
O
Sz
E
X
-
-
X
POND 1
SW1
N/A
X
NIA
NIA
X
POND 2
SW2
NIA
X
NIA
NIA
X
POND 3
SW3
NIA
X
NIA
NIA
X
POND 4
SW4
NIA
X
NIA
NIA
X
(1) E = Ephemeral, I = Intermittent, P = Perennial, NP =Not Present, NIA=Not Applicable
(2) Refers to State riparian buffer rules only. Stream, wetland, or pond impacts are still subject to applicable water
quality standards and permitting requirements.
Explanation: The streams)/pond(s) listed above has been located on the most recent published MRCS Soil Survey
of Wake County, North Carolina and/or the most recent copy of the USGS Topographic map at a 1: 24,000 scale.
Each feature that is checked "Not Subject" has been determined to not be an intermittent stream, perennial stream, a
DEQ-
North Carolina Department of Environmental Quality j Div Won of Water Resources I Raleigh Regional Office
3800 Barrett Drive 11628 Mail Service Center ! Raleigh, North Carolina 27699.1628
919.791.4200

DocuSign Envelope ID: 663FF515-3F3A-41 F2-9CF8-4CD2C608FC46
Eagle Crest Industrial Property - Tract 2
Wake
January 6, 2021
Page 3 of 3
pond connected to a stream feature, or the feature is determined not to be present. Stream features that are checked
"Subject" have been located on the property and possess characteristics that qualify them to be subject to the buffer
rules. There may be other streams located on the property that are not depicted on the maps referenced above and
are therefore not subject to the buffer rules. However, ifthe stream features are present on the tract they are subject
to all other applicable North Carolina stream standards and permitting requirements as outlined in 15A NCAC 0213,
and may be considered jurisdictional according to the US Army Corps of Engineers.
This an -site determination shall expire five (5) years from the date of this letter. Landowners or affected
Parties that dispute a determination made by the DWR may request a determination by the Director. An
appeal request must be made within sixty (60) days of date of this letter. A request for a determination by the
Director shall be referred to the Director in writing. If sending via US Postal Service: c/o Pawl Wojoski; DWR
— 401 & Buffer Permitting Unit, 1617 Mail Service Center; Raleigh, NC 27699-1617. Ifsending via delivery
service (UPS, FedFx, etc.): Paul Wojoski; DWR — 401 & Buffer Permitting Unit; 512 N. Salisbury Street;
Raleigh, NC 27604.
This determination is final and binding unless, as detailed above, an appeal is requested within sixty (60)
days.
This project may require a Section 404/401 Permit for the proposed activity. Any inquiries should be
directed to the US Army Corp of Engineers (Raleigh Regulatory Field Office) at (919)-554-4884.
If you have questions regarding this determination, please feel free to contact J. Chris Smith at [phone].
Sincerely,
oocusignned�by-,
econeoas%94k4D...
Scott Vinson, Regional Supervisor
Water Quality Regional Operations Section
Raleigh Regional Office
Division of Water Resources, NCDEQ
cc: RRO DWR File Copy
Laserfiche
Contact via e-mail at Rhiannon. raham rr7i terr con.com
North Carolina Department of Environmental Quality I Division of Water Resources J Raleigh Regional Office
3800 Barrett Drive 11628 Mail Service Center J Raleigh, North Carolina 27699-1628
919,791.4200

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TABLE OF CONTENTS for STORMWATER DATA
1. O&M Manual
2. SW Plan Sheets
3. BMP Calculations
4. Stormwater Impact Analysis

Operation & Maintenance Agreement
Project Name:
Project Location:
Project Ocean - City of Raleigh # ASR-0110-2022
4320 Auburn Church Rd
Cover Pa e
Maintenance records shall be kept on the following BMP(s). This maintenance record shall be kept in a log in a known set
location. Any deficient BMP elements noted in the inspection will be corrected, repaired, or replaced immediately. These
deficiencies can affect the integrity of structures, safety of the public, and the pollutant removal efficiency of the BMP(s).
The BMP(s) on this project include (check all that apply & correspc
Bioretention Cell
Quantity:
Dry Detention Basin
Quantity:
Grassed Swale
Quantity:
Green Roof
Quantity:
Infiltration Basin
Quantity:
Infiltration Trench
Quantity:
Level SpreaderNFS
Quantity:
Permeable Pavement
Quantity:
Proprietary System
Quantity:
Rainwater Harvesting
Quantity:
Sand Filter
Quantity:
Stormwater Wetland
Quantity:
Wet Detention Basin
Quantity:
2
Disconnected Impervious Area
Present:
No
User Defined BMP
Present:
No
O&M tables will
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s) :
Location(s) :
be added
I acknowledge and agree by my signature below that I am responsible for the performance of the maintenance procedures listed
for each BMP above, and attached O&M tables. I agree to notify NCDENR of any problems with the system or prior to any
changes to the system or responsible party.
* Responsible Party: H. Glenn Bagwell Jr
Title & Organization: Bagwell Properties
Street address: 333 Sherwee Dr
City, state, zip: Raleigh, NC 27603
Phone number(s): 919 777-6868
Email: h b'[e-mail]
Signature:
County of
personally appeared before me this
, a Notary Public for the State of
do hearby certify that
day of
acknowledge the due execution of the Operations and Maintenance Agreement.
Witness my hand and official seal,
SEAL
My commission expires
Date:
and
STORM-EZ 12/12/2022
Version 1.4 O&M Manual Page 1 of 4

The wet detention basin system is defined as the wet detention basin, pretreatment including forebays and the vegetated filter if
one is provided.
Important maintenance procedures:
Immediately after the wet detention basin is established, the plants on the vegetated shelf and perimeter of the
basin should be watered twice weekly if needed, until the plants become established (commonly six weeks).
No portion of the wet detention pond should be fertilized after the first initial fertilization that is required to
establish the plants on the vegetated shelf.
Stable groundcover should be maintained in the drainage area to reduce the sediment load to the wet detention
basin.
If the basin must be drained for an emergency or to perform maintenance, the flushing of sediment through the
emergency drain should be minimized to the maximum extent practical.
Once a year, a dam safety expert should inspect the embankment.
After the wet detention pond is established, it should be inspected once a month and within 24 hours after every storm event
greater than 1.0 inches (or 1.5 inches if in a Coastal County). Records of operation and maintenance should be kept in a
known set location and must be available upon request.
Inspection activities shall be performed as follows. Any problems that are found shall be repaired immediately.
BMP element:
Potential problem:
How I will remediate the problem:
The entire BMP
Trash/debris is present.
Remove the trash/debris.
The perimeter of the BMP
Areas of bare soil and/or
Regrade the soil if necessary to remove the gully, and then plant a
erosive gullies have formed.
ground cover and water until it is established. Provide lime and a one-
time fertilizer application.
Vegetation is too short or too
Maintain vegetation at a height of approximately six inches.
long.
The inlet device
The pipe is clogged.
Unclog the pipe. Dispose of the sediment off -site.
The pipe is cracked or
Replace the pipe.
otherwise damaged.
Erosion is occurring in the
Regrade the swale if necessary to smooth it over and provide erosion
swale.
control devices such as reinforced turf matting or riprap to avoid future
problems with erosion.
Stone verge is clogged or
Remove sediment and replace with clean stone.
covered in sediment (if
applicable).
The forebay
Sediment has accumulated to
Search for the source of the sediment and remedy the problem if
a depth greater than the
possible. Remove the sediment and dispose of it in a location where
original design depth for
it will not cause impacts to streams or the BMP.
sediment storage.
Erosion has occurred.
Provide additional erosion protection such as reinforced turf matting or
riprap if needed to prevent future erosion problems.
Weeds are present.
Remove the weeds, preferably by hand. If pesticide is used, wipe it
on the plants rather than spraying.
The vegetated shelf
Best professional practices
Prune according to best professional practices
show that pruning is needed
to maintain optimal plant
health.
Plants are dead, diseased or
Determine the source of the problem: soils, hydrology, disease, etc.
dying.
Remedy the problem and replace plants. Provide a one-time fertilizer
application to establish the ground cover if a soil test indicates it is
necessary.
Weeds are present.
Remove the weeds, preferably by hand. If pesticide is used, wipe it
on the plants rather than spraying.
STORM-EZ 12/12/2022
Version 1.4 O&M Manual Page 2 of 4

Wet Detention Pond Maintenance Requirements (Continued)
The main treatment area
Sediment has accumulated to
Search for the source of the sediment and remedy the problem if
a depth greater than the
possible. Remove the sediment and dispose of it in a location where
original design sediment
it will not cause impacts to streams or the BMP.
storage depth.
Algal growth covers over 50%
Consult a professional to remove and control the algal growth.
of the area.
Cattails, phragmites or other
Remove the plants by wiping them with pesticide (do not spray).
invasive plants cover 50% of
the basin surface.
The embankment
Shrubs have started to grow
Remove shrubs immediately.
on the embankment.
Evidence of muskrat or
Use traps to remove muskrats and consult a professional to remove
beaver activity is present.
beavers.
A tree has started to grow on
Consult a dam safety specialist to remove the tree.
the embankment.
An annual inspection by an
Make all needed repairs.
appropriate professional
shows that the embankment
needs repair. (if applicable)
The outlet device
Clogging has occurred.
Clean out the outlet device. Dispose of the sediment off -site.
The outlet device is damaged
Repair or replace the outlet device.
The receiving water
Erosion or other signs of
Contact the local NC Department of Environment and Natural
damage have occurred at the
Resources Regional Office.
outlet.
The measuring device used to determine the sediment elevation shall be such that it will give an accurate depth reading and not
readily penetrate into accumulated sediments.
STORM-EZ 12/12/2022
Version 1.4 O&M Manual Page 3 of 4

Wet Detention Pond Design Summary
Wet Fongyiagrai,.
WET POND ID FOREBAY MAIN POND
1 -West Permanent Pool El. 262 Permanent Pool El. 262
Temporary Pool El: 263.4 Temporary Pool El: 263.4
Pretreatment other No Clean Out Depth: 5 Clean Out Depth: 5.5
than forebay? Sediment Removal El: 257 Sediment Removal El: 256.5
Has Veg. Filter? Yes Bottom Elevation: 256 Bottom Elevation: 255.5
WET POND ID FOREBAY MAIN POND
2 - East Permanent Pool El. 267 Permanent Pool El. 267
Temporary Pool El: 267.75 Temporary Pool El: 267.75
Pretreatment other No Clean Out Depth: 5 Clean Out Depth: 5.5
than forebay? Sediment Removal El: 262 Sediment Removal El: 261.5
Has Veg. Filter? Yes Bottom Elevation: 261 Bottom Elevation: 260.5
STORM-EZ 12/12/2022
Version 1.4 O&M Manual Page 4 of 4

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SUPPLEMENT-EZ COVER PAGE
FORMS LOADED
PROJECT
INFORMATION
Project Name Project Ocean
Project Area (ac) 63.25
Coastal Wetland Area (ac) 0
Surface Water Area (ac) 0.16
Is this project High or Low Density? High
1
2
3
4
5
F
Does this oroiect use an off -site SCM?
No
COMPLIANCE WITH 02H .1003(4)
7
Width of vegetated setbacks provided (feet)
50
8
Will the vegetated setback remain vegetated?
Yes
9
If BUA is proposed in the setback, does it meet NCAC 02H.1003(4) (c-d)?
Yes
10
Is streambank stabilization proposed on this project?
No
NUMBER AND TYPE OF SCMs:
11
Infiltration System
12
Bioretenfion Cell
13
Wet Pond
2
14
Stormwater Welland
15
Permeable Pavement
16
1 Sand Filter
17
Rainwater Harvesting (RWH)
18
Green Roof
19
Level Spreader -Filter Strip (LS-FS)
20
Disconnected Impervious Surface (DIS)
21
Treatment Swale
22
1 Dry Pond
23
StormFilter
24
Silva Cell
25
Bayffiter
26
Filtena
FORMS LOADED
DESIGNER CERTIFICATION or
27
Name and Title:
Michael I Kane, PE
28
Organization:
Capital Civil Engineering, PLLC
29
Street address:
1011 Pemberton Hill Rd, Ste 203
30
City, State, Zip:
Apex, NC 27502
31
Phone number(s):
919 249-8587
32
1 Email:
[e-mail]
Certification Statement:
I certify, under penalty of law that this Supplement-EZ form and all supporting information were prepared under my direction or supervision; that
the information provided in the form is, to the best of my knowledge and belief, true, accurate, and complete; and that the engineering plans,
specifications, operation and maintenance agreements and other supporting information are consistent with the information provided here.
S S 10 -
• a SE1 I'
• gA94
. FNG IN�. •?\��
701AE� ,�0
Signature of besigner
12/12/2022
Date

DRAINAGE AREAS
1
Is this a high density project?
Yes
2
If so, number of drainage areas/SCMs
2
3
Does this project have low density areas?
No
4
If so, number of low density drainage areas
0
5
Is all/part of this project subject to previous rule
versions?
No
FORMS LOADED
DRAINAGE AREA INFORMATION
ENTIRE SITE
1
2
4
Type of SCM
WetPond
WetPond
5
Total drainage area (sq ft)
2755170
1791187
447797
6
Onsite drainage area (sq ft)
256230
108385
147845
7
Offsite drainage area (sq ft)
2498940
1682802
299952
8
Total BUA in pro'ect (sq ft)
9permitting)
New BUA on subdivided lots (subject to
(sq ft)
10permitting)
New BUA not on subdivided lots (subject to
(so
11
Offsite BUA (sq ft)
12
Breakdown of new BUA not on subdivided lots:
Parkin (sq ft)
714520 sf
584777 sf
129743 sf
Sidewalk (sq ft)
21960 sf
10818 sf
11142 sf
Roof (sq ft)
625500 sf
567000 sf
58500 sf
Roadway (sq ft)
137947 sf
69715 sf
68232 sf
Future (sq ft)
Other, please specify in the comment box
below (sq ft)
13
New infiltrating permeable pavement on
subdivided lots (sq ft)
14
New infiltrating permeable pavement not on
subdivided lots (sq ft)
15permitting)
Existing BUA that will remain (not subject to
(sq ft)
16
Existing BUA that is already permitted (sq ft)
17
Existing BUA that will be removed (sq ft)
18
Percent BUA
69%
60%
19
Design storm (inches)
1.0 in
1.0 in
20
Design volume of SCM (cu ft)
100157 cf
22017 cf
21
Calculation method for design volume
SA/DA
SA/DA
ADDITIONAL INFORMATION
22
Please use this space to provide any additional information about the
draina a area(s):
Ponds reduce the pre -post outltlow for the drainage area for all strom
events including the 100yr storm. Pond outlet to existing drainage swale
upstream of 50' stream buffer.

WET POND
area number
ENERAL MDC FROM 02H .1050
1-West 1 2-East
3
Is the SCM sized to treat the SW from all surfaces at build -out?
Yes
Yes
4
Is the SCM located away from contaminated soils?
Yes
Yes
5
What are the side slopes of the SCM (H:V)?
3:1
3:1
6
Does the SCM have retaining walls, gabion walls or other
engineered side slopes?
No
No
7
Are the inlets, outlets, and receiving stream protected from erosion
(10-year storm)?
Yes
Yes
8
Is there an overflow or bypass for inflow volume in excess of the
design volume?
Yes
Yes
9
What is the method for dewatering the SCM for maintenance?
Drawdown Orifice
Drawdown Orifice
10
If applicable, will the SCM be cleaned out after construction?
Yes
Yes
11
Does the maintenance access comply with General MDC (8)?
Yes
Yes
12
Does the drainage easement comply with General MDC (9)?
Yes
Yes
13
If the SCM is on a single family lot, does (will?) the plat comply with
General MDC (10)?
N/A
N/A
14
Is there an O&M Agreement that complies with General MDC (11)?
Yes
Yes
15
Is there an O&M Plan that complies with General MDC (12)?
Yes
Yes
16
Does the SCM follow the devicespecific MDC?
Yes
Yes
17
Was the SCM designed by an NC licensedprofessional?
I Yes
Yes
IWET POND MDC FROM 02H .1053
18
Sizing method used
SA/DA
SA/DA
19
Has a stage/storage table been provided in the calculations?
Yes
Yes
20
Elevation of the excavated main pool depth (bottom of sediment
removal) (fmsl)
255.50
260.50
21
Elevation of the main pool bottom (top of sediment removal) (fmsl)
256.50
261.50
22
Elevation of the bottom of the vegetated shelf (fmsl)
261.50
266.50
231
Elevation of the permanent pool (fmsl)
262.00
267.00
24
Elevation of the top of the vegetated shelf (fmsl)
262.50
267.50
25
Elevation of the temporary pool (fmsl)
263.40
267.75
26
Surface area of the main permanent pool (square feet)
67335
22422
27
Volume of the main permanent pool (cubic feet)
251936 cf
85682 cf
28
Averse depth of the main pool (feet)
4.50 If
4.60 ft
29
Averse depth euation used
Equation 2
Equation 2
301
If using equation 3, main pool perimeter (feet)
31
If using equation 3, width of submerged veg. shelf (feet)
32
Volume of the foreba (cubic feet)
45646 cf
16824 cf
33
Is this 15-20% of the volume in the mainpool?
Yes
Yes
34
Clean -out depth for foreba (inches)
12 in
12 in
35
Design volume of SCM (cu ft)
101894 cf
22690 cf
36
Is the outlet an orifice or a weir?
Orifice
Orifice
37
If orifice, orifice diameter (inches)
4.5 in
2.5 in
38
If weir, weir height (inches)
39
If weir, weir length (inches)
40
Drawdown time for the temporary pool (days)
3.37
3.32
41
Are the inlet(s) and outlet located in a manner that avoids short-
circuiting?
Yes
Yes
42
Are berms or baffles provided to improve the flowpath?
No
No
43
Depth of forebay at entrance (inches)
60 in
60 in
44
Depth of forebay at exit (inches)
48 in
48 in
45
Does water flow out of the forebay in a non -erosive manner?
Yes
Yes
46
Width of the vegetated shelf (feet)
loft
loft
47
Slope of vegetated shelf (H:V)
20:1
20:1
48
Does the orifice drawdown from below the top surface of the
permanentpool?
Yes
Yes
49
Does the pond minimize impacts to the receiving channel from the 1-
24-hr storm?
Yes
Yes
50
Are fountains proposed? (If Y, please provide documentation that
MDC(9) is met.)
No
No
51
Is a trash rack or other device provided to protect the outlet system?
Yes
Yes
52
Are the dam and embankment planted in non -clumping turf ass?
Yes
Yes
53
S ecies of turf that will be used on the dam and embankment
Bermuda
Bermuda
54
Hasa planting plan been provided for the vegetated shelf?
Yes
Yes
IIUNAL INI-UHMAIIUN
rtease use this space to provtae any aaaiuonal information about
55 the wet pond(s):
reduce the pre -post outlflow for the drainage area for all strom events
ng the 100yr storm. Pond outlet to existing drainage swale upstream of 50'
buffer.
Wet Pond 1 5:14 PM 12/12/2022

Stormwater
Impact Analysis
Project Ocean
4320 Auburn Church Road
Raleigh, North Carolina
November 17, 2022
Prepared By:
F)
��-'rG55�p�• 9 ��
'a 5 g4
VC
1011 Pemberton Hill Rd, Ste 203, Apex, NC 27502 919 249-8587 NC License No P-0809

CutffJE�
- CAPITAL CIVIL ENGINEERING -
100 Pemberton Hill Rd, Ste 203, Apex, NC 27502 919 249-8587 ph 919 590-1687 fx
NC License No P-0809
City of Raleigh
Attention: Stormwater Reviewers
One Exchange Plaza
Raleigh, NC 27601
November 17, 2022
Re: Project Ocean - Stormwater Impact Statement
Enclosed are the stormwater calculations for the proposed industrial building at 4320 Auburn Church
Road. Total project is 63.99 acres with construction of one, 625,500 sf industrial building. Two
Stormwater wet ponds are proposed at the west and east side of the site to treat the water quality and
quantity of the development. This has been designed to reduce post development flow to below
predevelopment flow for all storm events 1-yr thru 100-yr. These stormwater control measure (SCM)
has been designed to control Total Suspended Solids (TSS) and reduce total post development Nitrogen
loading to within required levels with offset payments. Table of results for whole site stormwater
below;
Event
West DA Pre Flow
West DA Post Flow
East DA Pre Flow
East DA Post Flow
1 yr
12.48
7.88
4.20
3.37
2 yr
26.24
15.04
8.83
6.53
5 yr
58.54
31.10
19.69
13.65
10 yr
89.48
46.38
30.09
20.42
25 yr
123.28
83.15
41.46
27.78
50 yr
151.08
134.36
50.81
33.80
100 yr
188.36
187.09
63.35
44.83
Please call me with any questions.
Michael J. Kane, P.E.
Capital Civil Engineering, PLLC
Pagel of 1

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Site
11/17/2022
Nitrogen loading calculation for new commercial site plans
NITROGEN SUMMARY- ENTIRE SITE
SITE
TN EXPORT
TN EXPORT
TN EXPORT
TYPE OF LAND COVER
AREA
COEFF.
BY LAND USE
FROM SITE
(ACRES)
(LBS/AC/YR)
(LBS/YR)
(LBS/AC/YR)
PERMANENTLY PRESERVED UNDISTURBED
0.00
0.6
0.00
OPEN SPACE FOREST UNMOWN MEADOW
PERMANENTLY PRESERVED MANAGED
29.55
1.2
35.46
OPEN SPACE GRASS LANDSCAPING ETC.
IMPERVIOUS SURFACES (ROADS, PARKING LOTS,
34.44
21.2
730.13
DRIVEWAYS, ROOFS, PAVED STORAGE AREAS, ETC.)
TOTAL
63.99
765.59
AVERAGE FOR SITE
11.96
Total pounds of nitrogen required to be removed =
Target nitrogen loading before buydown =
535.2 lb
10 Ib/ac/yr
(to get to "0" buydown)
Pounds of nitrogen required to be removed through BMPs = 125.688 lb (minimum= amount that gets you to target)
NITROGEN SUMMARY - BMP DRAINAGE AREA
SITE
TN EXPORT
TN EXPORT
TN EXPORT
TYPE OF LAND COVER
AREA
COEFF.
BY LAND USE
FROM SITE
ACRES
LBS/AC/YR
LBS/YR
LBS/AC/YR
PERMANENTLY PRESERVED UNDISTURBED
0.00
0.6
0.00
OPEN SPACE FOREST UNMOWN MEADOW
PERMANENTLY PRESERVED MANAGED
16.96
1.2
20.35
OPEN SPACE GRASS LANDSCAPING ETC.
IMPERVIOUS SURFACES (ROADS, PARKING LOTS,
34.44
21.2
730.13
DRIVEWAYS ROOFS PAVED STORAGE AREAS ETC.
TOTAL
51.4
750.48
AVERAGE FOR SITE
14.60
Total pounds of nitrogen assoc w/ BMP DRAINAGE AREA = 750.48
BMP Efficiency = 25% wet pond
Pounds of nitrogen removed through BMP = 187.62
Remaining pounds of nitrogen assoc w/ BMP DRAINAGE AREA = 562.86
Nitrogen.xlsx
Page 1

Project Ocean West WetPond
11/17/22
Drainaae Area Data
A = 1,791,187 sf Drainage Area
Ai = 1,232,312 sf Impervious Area
Ap = 558,875 sf Remaning Pervious Area
%imp = 69% Percent Impervious
CN = 86 Composite Runoff Curve Number
base on Ai CN of 98 and Ap CN of 61
Water Quality Volume
First Flush
Rv=0.05+0.9*Ia
V=3630*Rd*Rv*A
Ia =
0.69
Rv =
0.671
Rd =
1 <-1" for DWQ
A =
41.12
Volume
100,157 cu ft
SA/DA Table
Table 10-1
Piedmont and Mountain
SA/DA Table (Adapted from Driscoll, 1986)
NCDEQ Stormwater Design Manual, C-3 Wet Pond
11-20-2020
Permanent Pool Average Depth (ft)
% Imp Cover
3
4
5
6
7
>8
10%
0.51
0.43
0.37
0.30
0.27
0.25
20%
0.84
0.69
0.61
0.51
0.44
0.40
30%
1.17
0.94
0.84
0.72
0.61
0.56
40%
1.51
1.24
1.09
0.91
0.78
0.71
50%
1.79
1.51
1.31
1.13
0.95
0.87
60%
2.09
1.77
1.49
1.31
1.12
1.03
70%
2.51
2.09
1.80
1.56
1.34
1.17
80%
2.92
2.41
2.07
1.82
1.62
1.40
90%
3.25
2.64
2.31
2.04
1.84
1.59
100%
3.55
2.79
2.52
2.34
2.04
1.75
2.09 =
SA/DA from table
Average Depth of 4' Imp = 70%
41.12 =
acres
SA =
(A*TABLE)/100
SA =
0.86
acres
SA =
37,436
sf
Check Depth - First Flush Volume/SA
= min depth
1.49 min ponding
Volume Req'd =
100,157
cu ft
Volume Provided =
101,894
cu It
SA Req'd =
37,436
sq ft
SA Provided =
67,335
sq ft

Stage Storage - Water Quality / Detention Volume
Project No: 055-005
Project: Projet Ocean West Pond
Designed by: MM
Checked by: MK
Date: 17-Nov-22
ELEVATION AREA
AREA
STORAGE STORAGE CUMULATIVE
CUMULATIVE
(FT) (SF)
(AC)
(AC -FT) (CU FT)
(AC -FT) (CU FT)
262 67335
1.5458
0.0000 0
0.0000 0
262.5 72746
1.6700
0.8040 35020
0.8040 35020
263.4 75863
1.7416
1.5352 66874
2.3392 101894
> 1" WQ volume
268.5 93525
2.1470
9.9160 431939
12.2551 533833
269 105949
2.4323
1.1448 49869
13.3999 583702
269 105949
2.4323
0.0000 0
13.3999 583702
Orifice Sizing Calculations
Use 60-hour drawdown
Determine Q Q
= Volume/time = 0.47 cfs
Q = Cd*A*(2*G*Ho/3)1.5
Where:
Cd = 0.6
G = 32.2
Ho = 1.4
Q = Flow rate
A = Orifice area
Solve for area
A =
Q
Cd*(2*G*Ho/3)^.5
A =
0.472 =
0.14 sq-ft
3.289
R =
0.21 ft
R =
2.56 in
Use
Orifice =
4.50 in diameter
Check Drawdown time
Q =
0.36 cfs
Time =
80.91 hours
Time =
3.37 days

Stage Storage - Permanent Pool Volume
PROJECT: Projet Ocean West Pond
Forebay West Volume
ELEVATION
AREA
AREA
STORAGE
STORAGE
CUMULATIVE
CUMULATIVE
(FT)
(SF)
(AC)
(AC -FT)
(CU FT)
(AC -FT)
(CU FT)
256
Sediment Storage
257
4407
0.1012
0.0000
0.00
0.0000
0
258
8265
0.1897
0.1455
6336.00
0.1455
6336
262
11390
0.2615
0.9024
39310.00
1.0479
45646
262
11390
0.2615
0.0000
0.00
1.0479
45646
262
11390
0.2615
0.0000
0.00
1.0479
45646
Main Pool
Volume
ELEVATION
AREA
AREA
STORAGE
STORAGE
CUMULATIVE
CUMULATIVE
(FT)
(SF)
(AC)
(AC -FT)
(CU FT)
(AC -FT)
(CU FT)
255.5
Sediment Storage
256.5
38854
0.8920
0.0000
0.00
0.0000
0
261.5
51267
1.1769
5.1722
225302.50
5.1722
225303
262
55265
1.2687
0.6114
26633.00
5.7836
251936
262
55265
1.2687
0.0000
0.00
5.7836
251936
262
55265
1.2687
0.0000
0.00
5.7836
251936
Forebay Volume = 18.1% of Total Permanent pool volume.
Main Pool Average Depth
Davg = VPP / APP
VPP Volume of Pemanent Pool (cu-ft)
APP Area of Permanent Pool (sq-ft)
Davg = 4.5 ft
Project No.:
055-005
Designed by:
MM
Checked by:
MK
Date:
11/17/2022
66655

Project Ocean West WetPond
11/17/2022
ANTI -FLOATATION DEVICE CALCULATIONS
BASIN
LENGTH OF RISER - LR
5.00
FT OUTSIDE DIM
WIDTH OF RISER - WR
5.00
FT OUTSIDE DIM
HEIGHT OF RISER - HR
11.50
FT
AREA OR RISER - AR
25.00
SF
WEIGHT OF WATER - WW
62.4
LB/CF
UPLIFT (Wu) = AR*HR*W W
17940.00
LB
UNIT WEIGHT OF CONCRETE - Uc
150.00
LB/CF
VOLUME NEEDED (VN) = Wu/UC
119.60
CF
WALL THICKNESS -TW
0.50
FT
VOLUME OF WALLS - VW
103.50
CF
LENGTH OF PAD - L
5.00
FT
WIDTH OF PAD - W
5.00
FT
HEIGHT OF PAD - H
2.00
FT
VOLUME OF PAD - Vp
50.00
CF
VW+Vp
153.50
CF
VW+Vp> 1.25xVN YES

Project Ocean East Wetpond
11/17/22
Drainaae Area Data
A = 447,797 sf Drainage Area
Ai = 267,894 sf Impervious Area
Ap = 179,903 sf Remaning Pervious Area
%imp = 60% Percent Impervious
CN = 83 Composite Runoff Curve Number
base on Ai CN of 98 and Ap CN of 61
Water Quality Volume
First Flush
Rv=0.05+0.9*Ia
V=3630*Rd*Rv*A
Ia =
0.6
Rv =
0.59
Rd =
1 <-1" for DWQ
A =
10.28
Volume
22,017 cu ft
SA/DA Table
Table 10-1
Piedmont and Mountain
SA/DA Table (Adapted from Driscoll, 1986)
NCDEQ Stormwater Design Manual, C-3 Wet Pond
11-20-2020
Permanent Pool Average Depth (ft)
% Imp Cover
3
4
5
6
7
>8
10%
0.51
0.43
0.37
0.30
0.27
0.25
20%
0.84
0.69
0.61
0.51
0.44
0.40
30%
1.17
0.94
0.84
0.72
0.61
0.56
40%
1.51
1.24
1.09
0.91
0.78
0.71
50%
1.79
1.51
1.31
1.13
0.95
0.87
60%
2.09
1.77
1.49
1.31
1.12
1.03
70%
2.51
2.09
1.80
1.56
1.34
1.17
80%
2.92
2.41
2.07
1.82
1.62
1.40
90%
3.25
2.64
2.31
2.04
1.84
1.59
100%
3.55
2.79
2.52
2.34
2.04
1.75
1.77 =
SA/DA from table
Average Depth of 4' Imp = 60%
10.28 =
acres
SA =
(A*TABLE)/100
SA =
0.18
acres
SA =
7,926
sf
Check Depth - First Flush Volume/SA
= min depth
0.80 min ponding
Volume Req'd =
22,017
cu It
Volume Provided =
22,690
cu ft
SA Req'd =
7,926
sq It
SA Provided =
27,551
sq ft

Stage Storage - Water Quality / Detention Volume
Project No: 055-005
Project: Ocean East Pond
Designed by: MM
Checked by: MK
Date: 30-Aug-22
ELEVATION AREA
AREA
STORAGE STORAGE CUMULATIVE
CUMULATIVE
(FT) (SF)
(AC)
(AC -FT) (CU FT)
(AC -FT) (CU FT)
267 27551
0.6325
0.0000 0
0.0000 0
267.5 31445
0.7219
0.3386 14749
0.3386 14749
267.75 32083
0.7365
0.1823 7941
0.5209 22690
> 1" WQ volume
273.5 46764
1.0736
5.2040 226686
5.7249 249376
273.5 56155
1.2891
0.0000 0
5.7249 249376
273.5 56155
1.2891
0.0000 0
5.7249 249376
Orifice Sizing Calculations
Use 60-hour drawdown
Determine Q Q
= Volume/time = 0.11 cfs
Q = Cd*A*(2*G*Ho/3)1.5
Where:
Cd = 0.6
G = 32.2
Ho = 0.75
Q = Flow rate
A = Orifice area
Solve for area
A =
Q
Cd*(2*G*Ho/3)^.5
A =
0.105 =
0.04 sq-ft
2.407
R =
0.12 ft
R =
1.41 in
Use
Orifice =
2.50 in diameter
Check Drawdown time
Q =
0.08 cfs
Time =
79.80 hours
Time =
3.32 days

Stage Storage - Permanent Pool Volume Project No.: 055-005
PROJECT: Ocean East Pond Designed by: MM
Checked by: MK
Date: 8/30/2022
Forebay West Volume
ELEVATION
AREA
AREA
STORAGE STORAGE
CUMULATIVE
CUMULATIVE
(FT)
(SF)
(AC)
(AC -FT) (CU FT)
(AC -FT)
(CU FT)
261
Sediment Storage
262
1391
0.0319
0.0000 0.00
0.0000
0
263
2729
0.0626
0.0473 2060.00
0.0473
2060
267
4653
0.1068
0.3389 14764.00
0.3862
16824
267
0
0.0000
0.0000 0.00
0.3862
16824
267
0
0.0000
0.0000 0.00
0.3862
16824
Main Pool Volume
ELEVATION
AREA
AREA
STORAGE STORAGE
CUMULATIVE
CUMULATIVE
(FT)
(SF)
(AC)
(AC -FT) (CU FT)
(AC -FT)
(CU FT)
260.5
Sediment Storage
261.5
10595
0.2432
0.0000 0.00
0.0000
0
266.5
19487
0.4474
1.7265 75205.00
1.7265
75205
267
22422
0.5147
0.2405 10477.25
1.9670
85682 27075
267
22422
0.5147
0.0000 0.00
1.9670
85682
267
22422
0.5147
0.0000 0.00
1.9670
85682
Forebay Volume = 19.6% of Total Permanent pool volume.
Main Pool Average Depth
Davg = VPP / APP
VPP Volume of Pemanent Pool (cu-ft)
APP Area of Permanent Pool (sq-ft)
Davg = 4.6 ft

Project Ocean East Wetpond
11/17/2022
ANTI -FLOATATION DEVICE CALCULATIONS
BASIN
LENGTH OF RISER - LR
5.00
FT OUTSIDE DIM
WIDTH OF RISER - WR
5.00
FT OUTSIDE DIM
HEIGHT OF RISER - HR
10.50
FT
AREA OR RISER - AR
25.00
SF
WEIGHT OF WATER - WW
62.4
LB/CF
UPLIFT (Wu) = AR*HR*W W
16380.00
LB
UNIT WEIGHT OF CONCRETE - UC
150.00
LB/CF
VOLUME NEEDED (VN) = Wu/UC
109.20
CF
WALL THICKNESS -TW
0.50
FT
VOLUME OF WALLS - VW
94.50
CF
LENGTH OF PAD - L
5.00
FT
WIDTH OF PAD - W
5.00
FT
HEIGHT OF PAD - H
2.00
FT
VOLUME OF PAD - Vp
50.00
CF
VW+Vp
144.50
CF
VW+Vp> 1.25xVN YES

O
• • • • • • •• •• • •• •
000�;7

SCM-Ocean West Pond
............... ..... ......
Table of Contents
• •• • • •• • •• • •• • • N• N• N •N• • •
1.
N • • •N •
.•. .N N ........
TABLE OF CONTENTS
Project Reports
Wake 00131 Event
.....................
..................... .
....................... .
................. ..... .
Wake 002 yr Event
.....................
......................
....................... .
................. ..... .
Wake 005 yr Event
.....................
......................
....................... .
................. ..... .
Wake 010 yr Event
.....................
..................... .
....................... .
................. ..... .
Wake 025 yr Event
.....................
......................
....................... .
................. ..... .
Wake 050 yr Event
.....................
......................
....................... .
................. ..... .
Wake 100 yr Event
.....................
..................... .

............... ..... ......
SCM-Ocean West Pond Table of Contents
. ............ .. N. N. N .N. • . N • ..N • ... •N N ..... N . N ..
Multi -Event Tables
.....................
..................... .
....................... .
................. ..... .

SCM-Ocean West Pond
.......................................................... _._...... ......
Rainfall Events Listing
...... ..... .......... ..... .... ........ ... ..... .. .
. . .......... ............. ....... ..... . .... .
. . .......... ............. ....... ..... . .... .
. . .......... ............. ....... ..... . .... .
. . .......... ............. ....... ..... . .... .
. . .......... ............. ....... ..... . .... .
. . .......... ............. ....... ..... . .... .
. . .......... ............. ....... ..... . .... .

SCM-Ocean West Pond Type II 24-hr Wake 001 yr Rainfall=3.10"
• •• • • •• • •• • •• • • »• »• » •». • • » • • •» . ••• .» N . ••• . N . N .. .
Summary for Subcatchment 1S: Pre
• • • • • • N • » • • • • N • N• • • • • • N• • • • • •N •N
• • •• Direct Entry, Direct
Subcatchment 1S: Pre
Hydrograph
L - - - - L - - - L - - - L
-Type -24Lhr -
Wa�e 0 1 y' Ra�nfal =3. 0"
Runoff �Area�=42,5201 ac
-----l---- i---- --- I�ungff Volume-- ,.109 of
- --- -- - -- -- --I If
---RunOH-Deptb>0.3
--- I -1_
----I---
w
--- ---- ---- ---- ------�ICN-764-
----I--- - - -
Time (hours)

SCM-Ocean West Pond Type II 24-hr Wake 001 yr Rainfall=3.10"
• •• • • •• • •• • •• • • »• »• » •». • • » • • •» • ••• .» N • N• • N • N • • •
Summary for Subcatchment 2S: Post
.......................... ..... .
• •• • • • • • • • • •• •• • • •• • • • •••• • • • ••• • • ••
• • • • • • •• • N • • • • N • N• • • • • • N• • • • • •N •N
• •• Direct Entry, Direct Entry
Subcatchment 2S: Post
Hydrograph
---
-
.. --- --- --- - -- -- ---- -- --- ---Type-0-24-hr-
.. --- --- --- --- -- ---- ;make-001-yrrRarlfal�=IJW -
..--------I--------I------- -----;---- ',RuIpoff-Arezk=4t;120rac-
l�uno,ff V41ume=5,.54$ of
---r----r----i----r----i----r- ---r----r---r----r---r----r---r----
Rungff Dleptb 1.62"
3 1 I Te_=_5 0 O in
w -------r--------r---------- -------I--------'r------- CN-�86-
r - - - -'-
. . . . . .. .. .. .. .. .. .. .. .. .. ..
Time (hours)

SCM-Ocean West Pond Type II 24-hr Wake 001 yr Rainfall=3.10"
• •• • • •• • •• • •• • • »• »• » •». • • » • • •» • ••• .» N • N• • N • N • • •
Summary for Subcatchment 4S: RUNOFF
•••••• • • •• • ••• •• • • • • •• • •••• • • • • • •• •• • •• •
• • • • • • •• • N • • • • N • N• • • • • • N• • • • • •N •N
• •• Direct Entry, Direct
Subcatchment 4S: RUNOFF
Hydrograph
-------------'---- I� ----'---- ----'-----'----'- --------------------------
. � � �
'hype I 4--hr-
--- ---- --------+----I---- ------ 'IWa'e-001 yrRainfal)=3.� 0
Runoff Are4=14;880 ac
--- r--------T----I ---- -- ----- Runoff Volun)e=-0.391, of
Runoff De tb>0 32"
Tc=5.0 min
iT I I
--- ---- ---- ----- ---+-- ---------------------- eNAe-
---+----r--------+--------+-- ------+--------+--------+----I----
------------------------F -------- - - - - --T -- - - - - ---- - -
----
. . . . . .. .. .. .. .. .. .. .. .. .. ..
Time (hours)

SCM-Ocean West Pond Type II 24-hr Wake 001 yr Rainfall=3.10"
.......... see ..N.N. NN....N...N. ... .»».....».»...
Summary for Reach 5R: ANALYSIS POINT
•• •N • •• •• • •• • • •• • • •• • • • • •• • • ••• • • •• N • • ••••• •N • •• • • •• •• • • .. . ....... .... • . . .. . . ..... . . .
Reach 5R: ANALYSIS POINT
Hydrograph
0
. . . . . .. .. .. .. .. .. .. .. .. .. ..
Time (hours)

............... ..... ......
SCM-Ocean West Pond Type II 24-hr Wake 001 yr Rainfall=3.10"
. ............ .. N. N. N ._. .. N ... N . ... . N .............. .
Summary for Pond 3P: WETPOND
•• •N • •• •• • •• • • •• • • •• • • • • •• • • ••• • • •• N • • ••••• •N • •• • • •• •• • • .. . ....... .... • . . .. . . ..... . . .
•••••• • • •• • ••• •• • • • • •• • •••• • • • • • •• •• • •• •
• N • •• N • •• • •• • •N • ••N • • •• • • •• •• N •• • N • N •• • ••• ••• •• • • •• •••• • • •• ••N •N
• • • • • •• • • • • • •• • • •• • Custom Stage Data (Prismatic)•• N •• • •• • N • ••• • • • N
• • • •• • • • •• • • • •
• • • •• • • • •• • • • • •• • • • • •• • •
• • • •• • • • •• • • • • • •• • • • • • •• • •
• • • •• • • • • •• • • • • •• • • • • • •• • •
• • • •N • •• • • • •• • • 36.0" Round Culvert
• • • • • N • •• • • • •• • • 4.5" Vert. Orifice/Grate •• • •• •• • • •••• N N• • ••• •• • N••N • •• ••N • •• • • • • •••
• • • • • N • •• • • • •• • • 48.0" x 48.0" Horiz. Orifice/Grate •• • •• •• • • •••
• • • •N • •• • • • •• • • 10.071 ong (Profile 6) Broad -Crested Rectangular Weir
................................
Primary OutFlow••. ............. .............. ....... w.... ..... N ...... .
1=Culvert........ . .. .. . .. .. .. ... . .. . .. .. .. . .. . .N N.N . .
�2=Orifice/Grate•••• •NN ........ N ........... ......... .
3=Orifice/Grate••••• • • ••• N •• •• • •• ••
4=Sroad-Crested Rectangular Weir----- • • ••• N •• •• • •• ••

SCM-Ocean West Pond Type II 24-hr Wake 001 yr Rainfall=3.10"
• •• • • •• • •• • •• • • »• »• » •». • • » • • •» . ••• .» N . ••• . N . N .. .
Pond 3P: WETPOND
Hydrograph
..
---L----
---- L---L
----II--
..w•••••
-IL--- L-------- L---L--------L ---
...
---
--------r---
----'---fit-
----Infl'ow
Ar - 1.-IN- ' -
..
---
--------- - -
---------
; ---------
I- - - -
Pe Elev=26-4.8T-
- 'I - - - 4 - - - -I- - - --
..
--
-----------
----',---
'- --------St
KaW=2MAU$ cf-
---
--------!---;--------7-
----
r ---
--------!---;--------! ---
0
•
- - -
- - - -I- - - - + - -
- - - - -I-
- - - + - - -
- I - - - 4- - - -I- - - - - - - - - - -I- - - - + - - -
. . . . . .. .. .. .. .. .. .. .. .. .. ..
Time (hours)

SCM-Ocean West Pond Type II 24-hr Wake 002 yr Rainfall=3.70"
• •• • • •• • •• • •• • • »• »• » •». • • » • • •» • ••• .» N • N• • N • N • • •
Summary for Subcatchment 1S: Pre
• • • • • • N • » • • • • N • N• • • • • • N• • • • • •N •N
• • •• Direct Entry, Direct
Subcatchment 1S: Pre
Hydrograph
-
-------=,- -- ---------'---- --------'---- ---- ----
I - - - Type I24ihr
-
---I- - -- --- - -
.. - - -Va4e 002-y-F Ra�nfal�=�.' W - ------------------------------
-------- ----4 - -- - -- ----- Ru4of€Are4--42,S204ac-
- - Runo �pYuMe=1' :90 of -
----I--L - - J L - - - . 1 - - - - - - - - - - - - - - Runoff Dlept>0.54i`
4 - - - - - - - - -II- - - - - - - - - - - - - - - - -- � - - I - - - 4 - - -
o T'e=1 5.0 rein
w
II---- --- ---I-- --- - -- --- ------ ----
.. --- -- - -- - I---- i---- J----L----IC1��60 -
..
-
-------t---- t---t----
t----i-- --i----t----t---t----r----i----t----
- - - -I- - - - - - - - - - -
. . . . . .. .. .. .. .. .. .. .. .. .. ..
Time (hours)

SCM-Ocean West Pond Type II 24-hr Wake 002 yr Rainfall=3.70"
.......... see ..N.N. NN....N...N. ... .»».....».»...
Summary for Subcatchment 2S: Post
.......................... ..... .
• •• • • • • • • • • •• •• • • •• • • • •••• • • • ••• • • ••
• • • • • • •• • N • • • • N • N• • • • • • N• • • • • •N •N
• •• Direct Entry, Direct Entry
Subcatchment 2S: Post
Hydrograph
---r----r----i----r----i----r----i----r----r---r----r---r----r---r----
.. T'�pe--24Lr
... --- --- --- -----;Wai��-002�Ra fal�=&*
...---J----L---- L-------- -----1----1Rur�o�'f-Ares=-11,426ac-
-----------------------------------
••-
------------------ - -- -- -- ----------]Rungfflaep�l- .2 12"-
•• ---- ----- ----- -- -- --- - --- ------ ----------
•---;----;--------;--------;--;----;---;----;----TE=5-0-win-
w---;----;--------;--------;----;--------;----;---;---- CN- 6-
..
---r----r----i----r----i----r- ---r----r---r----r---r----r---r----
..
. . . . . .. .. .. .. .. .. .. .. .. .. ..
Time (hours)

SCM-Ocean West Pond Type II 24-hr Wake 002 yr Rainfall=3.70"
.......... see ..N.N. NN....N...N. ... .»».....».»...
Summary for Subcatchment 4S: RUNOFF
•••••• • • •• • ••• •• • • • • •• • •••• • • • • • •• •• • •• •
• • • • • • •• • N • • • • N • N• • • • • • N• • • • • •N •N
• •• Direct Entry, Direct
Subcatchment 4S: RUNOFF
Hydrograph
------------------
I I I I I I I I I I I I I I I
.. I
- ----- - - T----I----�----I I------I----T----24ihr
'----I---------------------II---------- ----I --- ----
'-------- I---------II------IIIWaeD2-y-Rainfal=3�'Q"--
I I I I I
-------- -I---- ---I-- ---- ----;Ru4offAre4=14,$80;ac-
..----I---- -I---------I------I--- - -- --- I- --
' ----I---- ----
]Rungff Vofume=Q.6'T� of -
----+-------- ---------II-- --------+--- Runoff�tb>0.54'
o----II---- �I----II---- �I----II-----II------II---- �I----II-----II----��=-�.��#�i�r-
u,,
-
-------+--------+---- r----I----------+----r---+----r----I +
I I I I I I I I I I I I �
----------------------
' —
---I— — — — ?----I————T----—— — — — I -- --——
----Y----r---r----r--------Y----
. . . . . .. .. .. .. .. .. .. .. .. .. ..
Time (hours)

SCM-Ocean West Pond Type II 24-hr Wake 002 yr Rainfall=3.70"
. ............ .. w. w. w._. .. w ...w • ... .»».....».»...
Summary for Reach 5R: ANALYSIS POINT
Reach 5R: ANALYSIS POINT
Hydrograph
T flYw A eI$&.00V ac
• - - - T - - - -I- - - - t - - - -I- - - - T - - - - - - - T - - - - T - - - T - - - -I- - - - T - - - -I- - - - T - - -
• - - - J - - - -I- - - - J - - - -I- - - - L - - - J - - J - - - - L - - - J - - - -I--
� I I I I I I I I I I I I
U
- - - -I- - - - t - - - -I- - - - t - - - - - - t - - - - t - - - - - - -I- - - - t - - - -I-
Time (hours)
0

............... ..... ......
SCM-Ocean West Pond Type II 24-hr Wake 002 yr Rainfall=3.70"
. ............ .. N. N. N ._. .. N ... N . ... . N .............. .
Summary for Pond 3P: WETPOND
•• •N • •• •• • •• • • •• • • •• • • • • •• • • ••• • • •• N • • ••••• •N • •• • • •• •• • • .. . ....... .... • . . .. . . ..... . . .
•••••• • • •• • ••• •• • • • • •• • •••• • • • • • •• •• • •• •
• N • •• N • •• • •• • •N • ••N • • •• • • •• •• N •• • N • N •• • ••• ••• •• • • •• •••• • •• ••N •N
• • • • • •• • • • • • •• • • •• • Custom Stage Data (Prismatic)•• N •• • •• • N • ••• • • • N
• • • •• • • • •• • • • •
• • • •• • • • •• • • • • •• • • • • •• • •
• • • •• • • • •• • • • • • •• • • • • • •• • •
• • • •• • • • • •• • • • • •• • • • • • •• • •
• • • •N • •• • • • •• • • 36.0" Round Culvert
• • • • • N • •• • • • •• • • 4.5" Vert. Orifice/Grate •• • •• •• • • •••• N N• • ••• •• • N••N • •• ••N • •• • • • • •••
• • • • • N • •• • • • •• • • 48.0" x 48.0" Horiz. Orifice/Grate •• • •• •• • • •••
• • • •N • •• • • • •• • • 10.0' long (Profile 6) Broad Crested Rectangular Weir
................................
Primary OutFlow... ............. .............. ....... w.... ..... N ...... .
1=Culvert•....... . .. .. . .. .. .. ... . .. . .. .. .. . .. . .N N.N . .
�2=Orifice/Grate•••• •NN ........ N ........... ......... .
3=Orifice/Grate••••• • • ••• N •• •• • •• ••
4=Sroad-Crested Rectangular Weir----- • • ••• N •• •• • •• ••

SCM-Ocean West Pond Type II 24-hr Wake 002 yr Rainfall=3.70"
• •• • • •• • •• • •• • • »• »• » •»• • • » • • •» . ••• .» N . ••• . N . N .. .
Pond 3P: WETPOND
Hydrograph
..
..
-----------;---;----I----;-
;
---T----I----r---T----r---T-
----'IF
----r---T----I----r---T----r---r---
7
Pe-lev=265.72--
..
---;--------;---;--------;-
----;---Storage=2$6;010
- I- - - - r -
cU
- - 1 - - - -I- - - - T ---
Gr
v
I -- - - T- - - -
I -
- r - - - T - - - -I- - - - r -
- - r - - - -I- - - - r ---
- - 1 - - - -I- - - - T - - -
w
•
•
•
•
-I-
- - - T - - - -I-
- - - T - - - -I-
- - - 1 - - - -I-
- - - T - - - -I-
- - - 1 - - - -I-
- - - r - -
- - - r - -
- - - r - -
- - - T - -
- - - r - -
- - - T - -
- T - - -
- T - - -
- T - - -
- 1 - - -
- T - - -
- 1 - - -
-I- - - - Y - - - -
T-
-I- - - - Y - ---
I -- - - T- - -
-I- - - - Y - - -
-I - - - T - -
-I- - - - Y - -
-I - - - T -
- r - - - Y - - - -I- - - - r -
-r - - - T - - - -I- - - - r -
- r - - - Y - - - -I- - - - r -
- r - - - T - - - -I- - - - r -
- ` - - - Y - - - -I- - - - r -
- T - - - -I- - - - T -
- - T - - - -I--------
- - 1 - - - -I- - - - T - - -
- - T - - - -I- - - - r - - -
- - 1 - - - -I - - - T - - -
- - T - - - -I- - - - r - - -
- - 1 - - - -I
. . . . . .. .. .. .. .. .. .. .. .. .. ..
Time (hours)

SCM-Ocean West Pond Type II 24-hr Wake 005 yr Rainfall=4.80"
• •• • • •• • •• • •• • • N• N• N •_• • • N • • •N • ••• .» » . ••• . » . » .. .
Summary for Subcatchment 1S: Pre
• • • . • • N • N • • • • N • N• • • • • • N• • • • • •N •N
• • •• Direct Entry, Direct
Subcatchment 1S: Pre
Hydrograph
•--------+---------------------- +----
+------------------- ��
---- +----+---+----+--- ----------+----+---+-- i?e-$l-24-} -
----I---- , ----I---- ; --------I---''Aifake 005-3-Rain€al�—A.$W -
----I---- -I---- ---I-- -------;Ru4o€€*ezkAZS20;ac-
- - - -II - - - - T - - - - II - - - - I - - - -'I- - - - -'I - - - -'I- - -Runoff • Y e— a€ -
--- ---- -I---- ----I -- ---I---- ---Runoff eptbA-051
--- ---- T(!=15.0 IiIn -
iT •----'---- I I
----------------------
-
----------------------- -----

SCM-Ocean West Pond Type II 24-hr Wake 005 yr Rainfall=4.80"
• •• • • •• • •• • •• • • »• »• » •». • • » • • •» . ••• .» N . ••• . N . N .. .
Summary for Subcatchment 2S: Post
.......................... ..... .
• •• • • • • • • • • •• •• • • •• • • • •••• • • • ••• • • ••
• • • • • • •• • N • • • • N • N• • • • • • N• • • • • •N •N
• •• Direct Entry, Direct Entry
Subcatchment 2S: Post
Hydrograph
-------}---- ----- ---+--------------- ------ -Type-0-24-hr-
--- --- --- --- - ---- Wak-efl$ryr-Rail fal�-A-*W
-------T--------r--------T- ----- ---- Runoff -Ar"=4[r,r20,,ac-
---,--- --- ---T - --- 7-RunoffVojumeA0, 501 af-
--- --- --- ---T - ---- --------Run-off Diepth>10fi"-
3 --- T-------- r---- ----
T----7-------- - -- -5. Win
... - �'c= -0 - in
u---7----T--------7--------T---7 ----
'---;----'F---
7 ----
7
- ---- ----
Time (hours)

SCM-Ocean West Pond Type II 24-hr Wake 005 yr Rainfall=4.80"
• •• • • •• • •• • •• • • »• »• » •». • • » • • •» • ••• .» N • N• • N • N • • •
Summary for Subcatchment 4S: RUNOFF
•••••• • • •• • ••• •• • • • • •• • •••• • • • • • •• •• • •• •
• • • • • • •• • N • • • • N • N• • • • • • N• • • • • •N •N
• •• Direct Entry, Direct
Subcatchment 4S: RUNOFF
Hydrograph
- - - -'I - - - - t - - - -'I- - - - 7 - - - -'I- - - - -' I---- t - - - -'I-
.. ..N.NN
--- -- Trpe--24Lhr -
..T - - - - - - - -lWake 005-yr-Rai fal�=4.$(Y -
.. --------+----I ---- 4---- -----I-- --------+-------------------4----
Runoff �Area�=14;880 ac
- - - - - - --Cungf#' Volume-1 .309 -af -
----I---- -I-------------I-----I---- --- Run oHDeptb>LOi;"-
..--
o
Tc=5.0 ruin
--------------
- I I I I I I I I I I I I � I
iT .. T--------7----'I----'I----------T----'�--- ----T----'ICl\N ZV/„�
0-
.. I I I I I I I I I I I I
..
I I I I I I I I I I I I I
. . . . . .. .. .. .. .. .. .. .. .. .. ..
Time (hours)

SCM-Ocean West Pond Type II 24-hr Wake 005 yr Rainfall=4.80"
. ............ .. ». ». »».. ..»...». ••• .»N•N••N•N•••
Summary for Reach 5R: ANALYSIS POINT
Reach 5R: ANALYSIS POINT
Hydrograph
--- ------------- --- ---- --- ---- ------ ------------- --- ---
. - - - T - - - - - - - T - - - - I - - - - T - - - T - - - -Ir - - - T - - - - - - - - T - - - - - - - - T - - -
--- - -- -III - -- - - --III----T --- Inlr---I ---II---------T---
-----Qw area-6.000-ac-
.. I I I I I I I I I I I I I
-- -- -- -- -- -- - -- --- -- -- -- -- --
3 -------Ir---T----li----T-- -------Ir--------I----T----li----T---
O I I I I I I I I I I I I
I I I I I I
-
------L---L----I----L--------ldglc�-L----I----L----I----L---
Time (hours)
0

............... ..... ......
SCM-Ocean West Pond Type II 24-hr Wake 005 yr Rainfall=4.80"
. ............ .. N. N. N ._. .. N ... N . ... . N .............. .
Summary for Pond 3P: WETPOND
•• •N • •• •• • •• • • •• • • •• • • • • •• • • ••• • • •• N • • ••••• •N • •• • • •• •• • • .. . ....... .... • . . .. . . ..... . . .
•••••• • • •• • ••• •• • • • • •• • •••• • • • • • •• •• • •• •
• N • •• N • •• • •• • •N • ••N • • •• • • •• •• N •• • N • N •• • ••• ••• •• • • •• •••• • • •• ••N •N
• • • • • •• • • • • • •• • • •• • Custom Stage Data (Prismatic)•• N •• • •• • N • ••• • • • N
• • • •• • • • •• • • • •
• • • •• • • • •• • • • • •• • • • • •• • •
• • • •• • • • •• • • • • • •• • • • • • •• • •
• • • •• • • • • •• • • • • •• • • • • • •• • •
• • • •N • •• • • • •• • • 36.0" Round Culvert
• • • • • N • •• • • • •• • • 4.5" Vert. Orifice/Grate •• • •• •• • • •••• N N• • ••• •• • N••N • •• ••N • •• • • • • •••
• • • • • N • •• • • • •• • • 48.0" x 48.0" Horiz. Orifice/Grate •• • •• •• • • •••
• • • •N • •• • • • •• • • 10.0' long (Profile 6) Broad Crested Rectangular Weir
................................
Primary OutFlow... ............. .............. ....... w.... ..... N ...... .
1=Culvert•........ .. .. . .. .. .. ... . . .. . .. .. .. . .. . .N N.N . .
�2=Orifice/Grate•••• •NN ........ N ........... ......... .
3=Orifice/Grate•••. . N.. . . ... N ........... ......... .
4=Sroad-Crested Rectangular Weir----- • • ••• N •• •• • •• ••

SCM-Ocean West Pond Type II 24-hr Wake 005 yr Rainfall=4.80"
. ............ .. ». ». »».. ..»...». ••• .»N•N••N•N•••
Pond 3P: WETPOND
Hydrograph
Inflow �Ar"
=41 . -
.. ---I --- --- -- --- -----'L --- $to age=333,003'cf-
u .. ---r----i----r---r----r---r- ----r---r----r---r---r----r---r---
-------'---- -------'---- - ----------'---- -------'---- ---
,
,
. . . . . .. .. .. .. .. .. .. .. .. .. ..
Time (hours)

SCM-Ocean West Pond Type II 24-hr Wake 010 yr Rainfall=5.70"
• •• • • •• • •• • •• • • N• N• N •_• • • N • • •N • ••• .» » . ••• . » . » .. .
Summary for Subcatchment 1S: Pre
• • • . • • N • N • • • • N • N• • • • • • N• • • • • •N •N
• • •• Direct Entry, Direct
Subcatchment 1S: Pre
Hydrograph
---r----r----i----r----i----r----r---r----r---r----r---r----r---r---- --
•. - - - r - - - - r - - - -I- - - - r - - - -I- - - - T - - - -I- - - - T - - - -I- - - - r - - - - r - - - - - - - r - - - r - - - -
-
--------------------- - --- - ---- ---- -�'S� 2L�Ir -
•----'-------'-----------'- ---'----'----'----'--------------'----
- - - Wake D I0-yr,-Raitp
l fa1�=-
•--L----L---- L---- --- ----L----IIRuno 'f=t�re�= Zt52 Tac=
• --- --- --- ---I -- ------Rmno€€-Volu =5,L483�-a€-
• - - J - - - - L - - - -�- - - - L - - - -�- - - - L - - - 1 - - - -I- - - J - - - - L - - J - - - L - - J - - - - - runoff DiepfhA.55
0
• -------r--------L----I---- -- ------I--------'r--------CN-�6D-
..
-
--r----r----i----r----i----r
-
--r----r---r----r---r----r---r----
..
-------------
--------------- --- ------------------------
. . . . . .. .. .. .. .. .. .. .. .. .. ..
Time (hours)

SCM-Ocean West Pond Type II 24-hr Wake 010 yr Rainfall=5.70"
.......... see ..N.N. NN....N...N. ... .»».....».»...
Summary for Subcatchment 2S: Post
.......................... ..... .
• •• • • • • • • • • •• •• • • •• • • • •••• • • • ••• • • ••
• • • • • • •• • N • • • • N • N• • • • • • N• • • • • •N •N
• •• Direct Entry, Direct Entry
Subcatchment 2S: Post
Hydrograph
-
---'---------------------------'---- ----'- --------------------------
---r----r----I----r----I-- -r----r---r----r---r----r---r----
... I
T'�rpe I-2, -Lhr -
... - --- - r r'Wake 010 y-rrRailnfal�=5s j ° - ---r----r----I----r----I----
... i Rupo#'f-A.e4=41; 420, ac -
• • • I
... --- -Rono �loluiri�=r3:236 a -
--- ---- ------------ ----+-------- ---- -------7--- ----
.. runoff Dleptb>3.86"
-
------------------------ --- --I--- ----- --- --- --
o ••-------- r
--------r---- - - - -TI--71----'r---;----'r----TE= -04oin-
w " --- ---- ---- .-------- - --- ---- ----' -------ICN--86-
••• I
--------------------- --- -------'-----------------------'
----
... I I I I I I I I I I I I
---r----r----I----r----I--- ---r----r---r----r---r----r---r----
•• I I I I I I I I I I I I
Time (hours)

SCM-Ocean West Pond Type II 24-hr Wake 010 yr Rainfall=5.70"
.......... see ..N.N. NN....N...N. ... .»».....».»...
Summary for Subcatchment 4S: RUNOFF
•••••• • • •• • ••• •• • • • • •• • •••• • • • • • •• •• • •• •
• • • • • • •• • N • • • • N • N• • • • • • N• • • • • •N •N
• •• Direct Entry, Direct
Subcatchment 4S: RUNOFF
Hydrograph
----------------------
----1----1--------L----�--- .. N.NN ------L---- L---J----L----1----L----
.. Type �I 24Lhr
.. Wade 0 0 y' Ra�nfal =5. 0"
----I---- -I---- ---I-- ---- ----;RupoffAre4=i4,880;ac-
---- - -- ---- ---- Runoff 'Volume- 1,'.92$-af-
Runoff D,eptb 1.55"
Tc=5.0 ruin
.. ICN-�60
---- +---- ---- -- -------+---- --------L-------------
--------------------------,----
. . . . . .. .. .. .. .. .. .. .. .. .. ..
Time (hours)

SCM-Ocean West Pond Type II 24-hr Wake 010 yr Rainfall=5.70"
. ............ .. ». ». »».. ..»...». ••• .»N•N••N•N•••
Summary for Reach 5R: ANALYSIS POINT
Reach 5R: ANALYSIS POINT
Hydrograph
I
Inflow Area $6.0',00 ac
..---L----1----1---- L--- -J---- L---L----1----1--------L---
U
3
i
• • I
� I I I I I - I - I I I I
i I I I I I I I I I I
-I- - - - L - - - -I- - - - L - - L - - - L - - - - - L - - -
Time (hours)
0

............... ..... ......
SCM-Ocean West Pond Type II 24-hr Wake 010 yr Rainfall=5.70"
. ............ .. N. N. N ._. .. N ... N . ... . N .............. .
Summary for Pond 3P: WETPOND
•• •N • •• •• • •• • • •• • • •• • • • • •• • • ••• • • •• N • • ••••• •N • •• • • •• •• • • .. . ....... .... • . . .. . . ..... . . .
•••••• • • •• • ••• •• • • • • •• • •••• • • • • • •• •• • •• •
• N • •• N • •• • •• • •N • ••N • • •• • • •• •• N •• • N • N •• • ••• ••• •• • • •• •••• • • •• ••N •N
• • • • • •• • • • • • •• • • •• • Custom Stage Data (Prismatic)•• N •• • •• • N • ••• • • • N
• • • •• • • • •• • • • •
• • • •• • • • •• • • • • •• • • • • •• • •
• • • •• • • • •• • • • • • •• • • • • • •• • •
• • • •• • • • • •• • • • • •• • • • • • •• • •
• • • •N • •• • • • •• • • 36.0" Round Culvert
• • • • • N • •• • • • •• • • 4.5" Vert. Orifice/Grate •• • •• •• • • •••• N N• • ••• •• • N••N • •• ••N • •• • • • • •••
• • • • • N • •• • • • •• • • 48.0" x 48.0" Horiz. Orifice/Grate •• • •• •• • • •••
• • • •N • •• • • • •• • • 10.0' long (Profile 6) Broad Crested Rectangular Weir
................................
Primary OutFlow... .............. .............. ....... w.... ..... N ...... .
1=Culvert•.......... . .. . .. .. .. ... . . .. . .. .. .. . .. . .N N.N . .
�2=Orifice/Grate•••..NN ........ N ........... .......... .
3=Orifice/Grate•••. . N.. . . ... N ............ ......... .
4=Sroad-Crested Rectangular Weir----- • • ••• N •• •• • •• ••

SCM-Ocean West Pond Type II 24-hr Wake 010 yr Rainfall=5.70"
. ............ .. ». ». »».. ..»...». ••• .»N•N••N•N•••
Pond 3P: WETPOND
Hydrograph
--------------------
.. ----
-------T---;- - - -II - :. w.ww- T- - --F---- T---T- - - -
II---T--- •❑":�'. ..
.. I I 'Inflow '�4r a= I. I'2O c
---L--------L--- ----L-----L---L---------`--------A --
.. --- ---- --- --------- PEAS-Elev=2$fr.5w-
-------
-----------II ---
-----r--------r-- -
..------------r-----------+---------to�g�=31�T9 +cf-
..---L---- L--- -
---i----- 'L---- --------L---- --------I----
;; --- ---- ---- Y - ---F --- Y - - --
----
r - - -
3 "
.. -----------T--- ---- ---T- -
--F---T--------T---T----
---T---
• - - - - - - -I- - - - L - - - - - - -I- - - - L - - L - - - L - - - -I- - - -
. . . . . .. .. .. .. .. .. .. .. .. .. ..
Time (hours)

SCM-Ocean West Pond Type II 24-hr Wake 025 yr Rainfall=6.60"
• •• • • •• • •• • •• • • N• N• N •_• • • N • • •N • ••• .» » . ••• . » . » .. .
Summary for Subcatchment 1S: Pre
• • • . • • N • N • • • • N • N• • • • • • N• • • • • •N •N
• • •• Direct Entry, Direct
Subcatchment 1S: Pre
Hydrograph
--- r-
-------r--------r-----7----'r --- -T - I 24ihr
.. �P-e
'Wake 0�5 yr,-Raipfall=6.00"
..--J----L---- L---- --- ----i----'Runoff Are =42L520Jac-
.. - -Runoff Vo lume7-7,,4-30 _af -
-- -- -- - -- - - -- ------ Runoff D�ept1>2.10 -
w --- -- ---- -------- CAh60-
- - - L - - - - L - - - -�- - - - L - - - -�- - - - L - - - 1 - - - -�- - - - L - - - - L - - - L - - - - L----, - - - -
--- r---- r--------r----
----r- -i -r----r-----r-------r---r----

SCM-Ocean West Pond Type II 24-hr Wake 025 yr Rainfall=6.60"
.......... see ..N.N. NN....N...N. ... .»».....».»...
Summary for Subcatchment 2S: Post
.......................... ..... .
• •• • • • • • • • • •• •• • • •• • • • •••• • • • ••• • • ••
• • • • • • •• • N • • • • N • N• • • • • • N• • • • • •N •N
• •• Direct Entry, Direct Entry
Subcatchment 2S: Post
Hydrograph
... - ..........
..------- --- --- ---- ---- Tie-I-2Lhr-
.. ---- - --- ---- a �fl yr-Rail fait=6.00'�-
..------- --- --- - ---- ---- Runoff -Are-4=41120iac-
.. ---- ----- ----- -- -- --- Rgno# XoJume=16,:006_j af-
••-
--------------- - - - - -- -- -- --- --- ]Runof#'Dlepdh>4:�-7-��
•• -- -- -- -- --- -- -- --- --- --- -- 'C-- rtiiri
w••------- --- --- --- --- --- --- ------- '£N-�$6-
..------- - --- --- ---- ----
Time (hours)

SCM-Ocean West Pond Type II 24-hr Wake 025 yr Rainfall=6.60"
• •• • • •• • •• • •• • • »• »• » •». • • » • • •» • ••• .» N • N• • N • N • • •
Summary for Subcatchment 4S: RUNOFF
•••••• • • •• • ••• •• • • • • •• • •••• • • • • • •• •• • •• •
• • • • • • •• • N • • • • N • N• • • • • • N• • • • • •N •N
• •• Direct Entry, Direct
Subcatchment 4S: RUNOFF
Hydrograph
Type-124Lhr
Wade 0 5 yT Rainfal =6. 0"
• Runoff Are4=14!880 ac
.. I�ttngff Volume=4•61Z af-
--- -- - -- -- --- - --- Runo f-Dieptl>2.11-"--
3 ' -- -- --- - - - -',-------------
--- ---- ---- -- ------ 'CA&;64-
----1----1----1----L---------�- ----I ---- L---- L--- J----L----1----L----
. . . . . .. .. .. .. .. .. .. .. .. .. ..
Time (hours)

SCM-Ocean West Pond Type II 24-hr Wake 025 yr Rainfall=6.60"
Summary for Reach 5R: ANALYSIS POINT
Reach 5R: ANALYSIS POINT
Hydrograph
•
•
t
rifiQev re,a= 0�010�-a-C-
--- - ---I----
----
----t ----I
---
•
- - - - - - -'I-
- - - t - - -
-'I- - - - t -
- - -'I - -
t - - - - t - - - t - - - -'I-
- - - t - - - -'I- - - - t - - -
•
---t--------t--------t----
--t----'----t--------t--------t---
•-'I-
- - - t - - -
-'I- - - - t -
- - -'I -
t - - - - t - - - t - - - -'I-
- - - t - - - -'I- - - - t----
•
---t--------t----'I
----------
-t----'
---t--------t--------t---
---t----'I----t----'I----t----'I
-t----t---t--------t--------t---
t - - - -I-
- - - t - - - -I- - - - Y ---
-- - - - - -
-I- - - -
- - - - - - - - - -I-
- - - - - - -I- - - - ---
I t
I---
t t
----------
t Y
- - -
••
I
Time (hours)
0

............... ..... ......
SCM-Ocean West Pond Type II 24-hr Wake 025 yr Rainfall=6.60"
. ............ .. N. N. N ._. .. N ... N . ... . N .............. .
Summary for Pond 3P: WETPOND
•• •N • •• •• • •• • • •• • • •• • • • • •• • • ••• • • •• N • • ••••• •N • •• • • •• •• • • .. . ....... .... • . . .. . . ..... . . .
•••••• • • •• • ••• •• • • • • •• • •••• • • • • • •• •• • •• •
• N • •• N • •• • •• • •N • ••N • • •• • • •• •• N •• • N • N •• • ••• ••• •• • • •• •••• • • •• ••N •N
• • • • • •• • • • • • •• • • •• • Custom Stage Data (Prismatic)•• N •• • •• • N • ••• • • • N
• • • •• • • • •• • • • •
• • • •• • • • •• • • • • •• • • • • •• • •
• • • •• • • • •• • • • • • •• • • • • • •• • •
• • • •• • • • • •• • • • • •• • • • • • •• • •
• • • •N • •• • • • •• • • 36.0" Round Culvert
• • • • • N • •• • • • •• • • 4.5" Vert. Orifice/Grate •• • •• •• • • •••• N N• • ••• •• • N••N • •• ••N • •• • • • • •••
• • • • • N • •• • • • •• • • 48.0" x 48.0" Horiz. Orifice/Grate •• • •• •• • • •••
• • • •N • •• • • • •• • • 10.0' long (Profile 6) Broad Crested Rectangular Weir
................................
Primary OutFlow... .............. .............. ....... w.... ..... N ...... .
1=Culvert•.......... . .. . .. .. .. ... . . .. . .. .. .. . .. . .N N.N . .
�2=Orifice/Grate•••..NN ........ N ........... .......... .
3=Orifice/Grate•••. . N.. . . ... N ............ ......... .
4=Sroad-Crested Rectangular Weir----- • • ••• N •• •• • •• ••

SCM-Ocean West Pond Type II 24-hr Wake 025 yr Rainfall=6.60"
. ............ .. ». ». »».. ..»...». ••• .»N•N••N•N•••
Pond 3P: WETPOND
Hydrograph
::------- I I --- I ----I ---I----iI ........Inflow -IAr�a=4I1.1I10 --
.... -------------------------+---------- Peak -Flev=?67,1Y0'-
----Y---Y--------Y-----Y-Storage=406i1I6CU -I- - - - Y - - - - - Y - - - Y - - - -I-------------
I - - - - -
..
U - -T- -I-- -T- -T- -I - -T- - -T- -T- -I-- -L- -T- -I - -T-
3..---------------------�----- --- -------- --- ----
T
� •• I I I I I I I I I I I I I
u„ •� I I I I I I I I I I I I I
-I- - - - L - - - L - - - L - - - -1- - - - L
• - - - 4 - - - -I- - - - L - - - - - - -I- - ........ _ L - - - 4 - - - - - - - - L - - - 4 - - - --
••
Time (hours)

SCM-Ocean West Pond Type II 24-hr Wake 050 yr Rainfall=7.30"
• •• • • •• • •• • •• • • »• »• » •». • • » • • •» • ••• .» N • N• • N • N • • •
Summary for Subcatchment 1S: Pre
• • • • • • N • » • • • • N • N• • • • • • N• • • • • •N •N
• • •• Direct Entry, Direct
Subcatchment 1S: Pre
Hydrograph
..---;----T--------T----I----T----I----T--------=----'r---T----'r---;----
.. ---- --- ----------- -------Type-0-21Lhr-
..---T--- --- -----aieOfryrRarpfai=7:i}
..--�---- L ----I L ----I_ _r -- --- IRnr�off_tLre,1=42L526ac_
... --R-unoff Volun)e-9.049 -af -
•• --- --- --- ------ - --- -------]Run 'Deptl 2: "-
_Tt=15.0 rein
w •• ----
---T--------r---- - ---T---7----'r --- I----'r--- ---- 'RCN-60-
..
-------------
..
---r----r----I----r----I----r- -I -r----r---r----r---r----r---r----
. . . . . .. .. .. .. .. .. .. .. .. .. ..
Time (hours)

SCM-Ocean West Pond Type II 24-hr Wake 050 yr Rainfall=7.30"
.......... see ..N.N. NN....N...N. ... .»».....».»...
Summary for Subcatchment 2S: Post
.......................... ..... .
• •• • • • • • • • • •• •• • • •• • • • •••• • • • ••• • • ••
• • • • • • •• • N • • • • N • N• • • • • • N• • • • • •N •N
• •• Direct Entry, Direct Entry
Subcatchment 2S: Post
Hydrograph
.. -------T--------r---------------rt--------------- �p - --
.. ---- ----- ----- - --- ---------------------Tie-I-2Lh�-
..----'---- --- ---- al e II (ryr Rai-falt=7:$0'
.. -- ---- ------------ - --- --- --- --- - --
.. _------T---- ---- T- _---------�RtMo f-Ares=41r, 20,,ac=
.. — — — J — — — — L — — — — — — — — L — — — — — — — — L — — — — 1 — — — —'---
J L 1 — L — I — �- -
-- - -- - -- - -- ---R�unClf'Daep#1>5.3Q--
3 •• --- T--------T---- ----T----T -O --- --- 'c=�Olfn-
o...------- --- - - ---- ----------------------
...---J----L--------L----'---- --1----1---- L-------CN-�-8f -
... --- r---- r--- --- --------------------------------
... --- --- - --- - -------'--- -------------'--
--
. . . . . .. .. .. .. .. .. .. .. .. .. ..
Time (hours)

SCM-Ocean West Pond Type II 24-hr Wake 050 yr Rainfall=7.30"
• •• • • •• • •• • •• • • »• »• » •». • • » • • •» . ••• .» N . ••• . N . N .. .
Summary for Subcatchment 4S: RUNOFF
•••••• • • •• • ••• •• • • • • •• • •••• • • • • • •• •• • •• •
• • • • • • •• • N • • • • N • N• • • • • • N• • • • • •N •N
• •• Direct Entry, Direct
Subcatchment 4S: RUNOFF
Hydrograph
.. --- --T - 1-24Lhr--
I I I I I I I yge-
.. I I I I I I I I I
..---------------- ---------- IWake G$0-yT Rainfal�=7- 0' -
----I----t----I----t---------I-- --------t----t---t----r--------t----
.. Runoff �Are4 - - - - - - -
I I I I I I I I I I I I
.. ttnof#' Vohrroe-=3:180 of -
----I---- -I----T - - - - I ------I----T ---RunoH eptb>2-5W -
-I- - . 4 - - -
o .. - Tc=5.0 ruin -
I �CN--,60
7--- -----------------Fr-----
I
..
. . . . . .. .. .. .. .. .. .. .. .. .. ..
Time (hours)

SCM-Ocean West Pond Type II 24-hr Wake 050 yr Rainfall=7.30"
. ............ .. ». ». »».. ..»...». ••• .»N•N••N•N•••
Summary for Reach 5R: ANALYSIS POINT
Reach 5R: ANALYSIS POINT
Hydrograph
---r----i----r----i----r---r----i----r---r----r---r----i----r---r---
• • I • • I_nflow (Area- - - - - - - ac
------1----L----1----1----L --L L
-- -F -- --
3--------
----r--------I---- -' -------I--------I---- --- ---
u-- -- -- -- -- -- - -- -- -- -- -- -- --
' ---
L----I- ---L----I----I---- -I-- L----1----L---1---
Time (hours)
0

............... ..... ......
SCM-Ocean West Pond Type II 24-hr Wake 050 yr Rainfall=7.30"
. ............ .. N. N. N ._. .. N ... N . ... . N .............. .
Summary for Pond 3P: WETPOND
•• •N • •• •• • •• • • •• • • •• • • • • •• • • ••• • • •• N • • ••••• •N • •• • • •• •• • • .. . ....... .... • . . .. . . ..... . . .
•••••• • • •• • ••• •• • • • • •• • •••• • • • • • •• •• • •• •
• N • •• N • •• • •• • •N • ••N • • •• • • •• •• N •• • N • N •• • ••• ••• • •• • • •• •••• • • •• ••N •N
• • • • • •• • • • • • •• • • •• • Custom Stage Data (Prismatic)•• N •• • •• • N • ••• • • • N
• • • •• • • • •• • • • •
• • • •• • • • •• • • • • •• • • • • •• • •
• • • •• • • • •• • • • • • •• • • • • • •• • •
• • • •• • • • • •• • • • • •• • • • • • •• • •
• • • •N • •• • • • •• • • 36.0" Round Culvert
• • • • • N • •• • • • •• • • 4.5" Vert. Orifice/Grate •• • •• •• • • •••• N N• • ••• •• • N••N • •• ••N • •• • • • • •••
• • • • • N • •• • • • •• • • 48.0" x 48.0" Horiz. Orifice/Grate •• • •• •• • • •••
• • • •N • •• • • • •• • • 10.0' long (Profile 6) Broad Crested Rectangular Weir
................................
Primary OutFlow... .............. .............. ....... w.... ..... N ...... .
1=Culvert•.......... . .. . .. .. .. ... . . .. . .. .. .. . .. . .N N.N . .
�2=Orifice/Grate•••..NN ........ N ........... .......... .
3=Orifice/Grate•••• •NN ........ N ............ ......... .
4=Sroad-Crested Rectangular Weir----- • • ••• N •• •• • •• ••

SCM-Ocean West Pond Type II 24-hr Wake 050 yr Rainfall=7.30"
. ............ .. ». ». »».. ..»...». ••• .»N•N••N•N•••
Pond 3P: WETPOND
Hydrograph
.. --- - ------,------�.«.««---r---+-------+-----------+---
..--------------------------- ----'Inflow Ar-a- 1.-1'210 --
.. --- --- --- --- --- - - -- - -- l eAlk Elev=2$7.-5w-
:: --- -- --- - -- ------ Stowage=4 7,1-921cu
--- ---- r--- 7- -- -- - - -- -- -r---,--------T---
3 •• -------,-----------i --- - ----i -------,----T ---
----i --- ---
w
--------I- - ----------+ --------------1 - - - --------+---
Time (hours)

SCM-Ocean West Pond Type II 24-hr Wake 100 yr Rainfall=8.20"
• •• • • •• • •• • •• • • »• »• » •». • • » • • •» • ••• .» N • N• • N • N • • •
Summary for Subcatchment 1S: Pre
• • • • • • N • » • • • • N • N• • • • • • N• • • • • •N •N
• • •• Direct Entry, Direct
Subcatchment 1S: Pre
Hydrograph
.. - - -- _ --- -- - -- :TYpe-"-22kihr-
.. -L-- -L- -�-- -L- -I-- -L- -L- -1-- -L- -L- -L--
Wake 1$ayr-Rare€al�--&�W
..---+----r--------r--------+-----+----r --+- -+- r +----
ac
.. - - - - - - - - - - - - - - - RunoftNolume= r 1,:240 of -
•• --- --- --- --- -- ----------]Runof#'Dopth>3.17
o ••---J----r--------r--------fi----rt----I---- ----'r--U=15.Di0in-
w-----------
------------- -- ------;---- ------- CNi;(1-
•-
-J--- -L - - -- L-- - - ---- - -1--------I----'L---J----'L-------
. . . . . .. .. .. .. .. .. .. .. .. .. ..
Time (hours)

SCM-Ocean West Pond Type II 24-hr Wake 100 yr Rainfall=8.20"
.......... see ..N.N. NN....N...N. ... .»».....».»...
Summary for Subcatchment 2S: Post
.......................... ..... .
• •• • • • • • • • • •• •• • • •• • • • •••• • • • ••• • • ••
• • • • • • •• • N • • • • N • N• • • • • • N• • • • • •N •N
• •• Direct Entry, Direct Entry
Subcatchment 2S: Post
Hydrograph
.. ..----, -- - -,I - - - - , -- - -,I - - - -, -- .i........-;----,I --- - - - -,I --_
Type �I 24ihr
• • Wake 100 yr, Raipfal j=8.�0"
Runoff - e4=411T 129 ac -
---- ------------ ---------- runoff Diepflt>6s12��
o " Tc=5.0 niin
u--- --------------------+- --------- ----------------------
.. ICN-�86
------- -- -- - -- - -- - -- - -- - -- - - -
----------------------------------
Time (hours)

SCM-Ocean West Pond Type II 24-hr Wake 100 yr Rainfall=8.20"
• •• • • •• • •• • •• • • »• »• » •». • • » • • •» . ••• .» N . ••• . N . N .. .
Summary for Subcatchment 4S: RUNOFF
•••••• • • •• • ••• •• • • • • •• • •••• • • • • • •• •• • •• •
• • • • • • •• • N • • • • N • N• • • • • • N• • • • • •N •N
• •• Direct Entry, Direct
Subcatchment 4S: RUNOFF
Hydrograph
----L----'----L-----
------------1-------- ----L---1----r---J---
e=I=24Lhr
-----r---- r---- ---fi-- ---- Wak-e t$Qyr;�Rar fal�--&�W
--- r--------r--------T- ---- ,--- -----r-- -
•---------------------- -- -- --- ----,Rupoff,xe-4=14;S8Qac-
• -- L ----L - ----L-:""ff�wluu�e=�•J49--f-
• --- --- --- --- - ---- -- Runoff DleptbA.1$"-
--------r--------r--------r--rt-------------r-------r---yy�--y�--
3 ••---1----T--------r--------T--7----��---1----�r----TE�-0iuin-
w
0
----- - -- -- -- -- -------,--------,---- ---- CN66-
---r----r----i----r----i--- ---r----r---r----r---r----r---r----
. . . . . .. .. .. .. .. .. .. .. .. .. ..
Time (hours)

SCM-Ocean West Pond Type II 24-hr Wake 100 yr Rainfall=8.20"
. ............ .. w. w. w._. .. w ...w . ... .»».....».»...
Summary for Reach 5R: ANALYSIS POINT
Reach 5R: ANALYSIS POINT
Hydrograph
..
..
----------
---
--------
------ - -
------------
---- ..».»» ---
----
- --- - +---
ow'14r a7-
- - -,----
-6.0' 0- c--
..
-
----------T------
- - II -- -T---I�---;----II
---T--------r---7----
•,
3 ..
---r----I----r----I----r-
-r---r----r---r----I----r---r----
•
•
---
-----------r----I----I
----li----r----li----I--
-
Ir---y----Ir---r----li----r---rt----
---1----I ---r--------r---7----
.
.
.
. . ..
.. .. ..
Time (hours)
.. .. .. ..
.. .. ..

............... ..... ......
SCM-Ocean West Pond Type II 24-hr Wake 100 yr Rainfall=8.20"
. ............ .. N. N. N ._. .. N ... N . ... . N .............. .
Summary for Pond 3P: WETPOND
•• •N • •• •• • •• • • •• • • •• • • • • •• • • ••• • • •• N • • ••••• •N • •• • • •• •• • • .. . ....... .... • . . .. . . ..... . . .
•••••• • • •• • ••• •• • • • • •• • •••• • • • • • •• •• • •• •
• N • •• N • •• • •• • •N • ••N • • •• • • •• •• N •• • N • N •• • ••• ••• • •• • • •• •••• • • •• ••N •N
• • • • • •• • • • • • •• • • •• • Custom Stage Data (Prismatic)•• N •• • •• • N • ••• • • • N
• • • •• • • • •• • • • •
• • • •• • • • •• • • • • •• • • • • •• • •
• • • •• • • • •• • • • • • •• • • • • • •• • •
• • • •• • • • • •• • • • • •• • • • • • •• • •
• • • •N • •• • • • •• • • 36.0" Round Culvert
• • • • • N • •• • • • •• • • 4.5" Vert. Orifice/Grate •• • •• •• • • •••• N N• • ••• •• • N••N • •• ••N • •• • • • • •••
• • • • • N • •• • • • •• • • 48.0" x 48.0" Horiz. Orifice/Grate •• • •• •• • • •••
• • • •N • •• • • • •• • • 10.0' long (Profile 6) Broad Crested Rectangular Weir
................................
Primary OutFlow... ............... .............. ....... w.... ..... N ...... .
1=Culvert•....... N. . . ... N ............. .......... .
�2=Orifice/Grate•••• • • • • • •• •• •• • •• •• •• • •• • •N N.N . .
3=Orifice/Grate•••• • • • • • •• •• • • •• • •• •• •• • •• • •N N.N . .
4=Sroad-Crested Rectangular Weir----- • • ••• N •• •• • •• ••

SCM-Ocean West Pond Type II 24-hr Wake 100 yr Rainfall=8.20"
• •• • • •• • •• • •• • • »• »• » •»• • • » • • •» . ••• .» N . ••• . N . N .. .
Pond 3P: WETPOND
Hydrograph
---
,-
---
--------t---
I I
-- - -
I
- - -- - -
------
I
--- - -
- -t-
I I
- - -- -
---+--------+---+--------+-
I I
I
I
I I
- - --Inflow-'Area=41.1',20-ac-
Peak Elev=268.20'
- - - -I- - - - t - - - t - - - -I- - - - t - - -
- - - - $toirage=506,352 ',cf-
. . . . . .. .. .. .. .. .. .. .. .. .. ..
Time (hours)

SCM-Ocean West Pond
Multi -Event Tables
..........................................................
_._......
.......
Events for Subcatchment 1S: Pre
. .......... .... ..... ..... ....
. .......... .... ..... ..... ....
. .......... .... ..... ..... ....
. .......... .... ..... ..... ....
. .......... .... ...... ..... ....
. .......... .... ...... ..... ....
• .......... 8.20 188.36 11.240 3.17

SCM-Ocean West Pond
Multi -Event Tables
..........................................................
_._......
.......
Events for Subcatchment 2S: Post
. .......... .... ...... ..... ....
. .......... .... ...... ..... ....
. .......... .... ...... ...... ....
. .......... .... ...... ...... ....
. .......... .... ...... ...... ....
. .......... .... ...... ...... ....
• .......... 8.20 446.98 20.974 6.12

SCM-Ocean West Pond
Multi -Event Tables
..........................................................
_._......
.......
Events for Subcatchment 4S: RUNOFF
. .......... .... .... ..... ....
. .......... .... ..... ..... ....
. .......... .... ..... ..... ....
. .......... .... ..... ..... ....
. .......... .... ..... ..... ....
. .......... .... ..... ..... ....
• .......... 8.20 93.45 3.949 3.18

SCM-Ocean West Pond
Multi -Event Tables
..........................................................
_._......
.......
Events for Reach 5R: ANALYSIS POINT
..... ..... ...... ............
. .......... .... .... 0.00 0
. .......... ..... ..... .... .
. .......... ..... ..... .... .
. .......... ..... ..... .... .
. .......... ..... ..... .... .
. .......... ...... ...... .... .
• .......... 187.09 187.09 • •• •

SCM-Ocean West Pond
Multi -Event Tables
..........................................................
_._......
.......
Events for Pond 3P: WETPOND
..... ..... ...... ............
. .......... ...... .... ...... .......
. .......... ...... .... ...... .......
. .......... ...... .... ...... .......
. .......... ...... ..... ...... .......
. .......... ...... ..... ...... .......
. .......... ...... ..... ...... .......
• .......... 446.98 112.69 268.20 506,352

O
• • • • • • •• •• • •• •
000a

SCM-Ocean East Pond
.................... ......
Table of Contents
• •• • • •• • •• • •• • • N• N• N •N• • •
N • • •N •
.•. .N N ..•.. N . N .. .
TABLE OF CONTENTS
Project Reports
Wake 00131 Event
.....................
..................... .
....................... .
................. ..... .
Wake 002 yr Event
.....................
......................
....................... .
................. ..... .
Wake 005 yr Event
.....................
......................
....................... .
................. ..... .
Wake 010 yr Event
.....................
..................... .
....................... .
................. ..... .
Wake 025 yr Event
.....................
......................
....................... .
................. ..... .
Wake 050 yr Event
.....................
......................
....................... .
................. ..... .
Wake 100 yr Event
.....................
..................... .

.................... ......
SCM-Ocean East Pond Table of Contents
. ............ .. N. N. N .N. • . N • ..N • ... •N N ..... N . N ..
Multi -Event Tables
.....................
..................... .
....................... .
................. ..... .

SCM-Ocean East Pond
Rainfall Events Listing
...... ..... .......... ..... .... ........ ... ..... .. .
. . .......... ............. ....... ..... . .... .
. . .......... ............. ....... ..... . .... .
. . .......... ............. ....... ..... . .... .
. . .......... ............. ....... ..... . .... .
. . .......... ............. ....... ..... . .... .
. . .......... ............. ....... ..... . .... .
. . .......... ............. ....... ..... . .... .

SCM-Ocean East Pond Type II 24-hr Wake 001 yr Rainfall=3.10"
• •• • • •• • •• • •• • • »• »• » •». • • » • • •» • ••• .» N • N• • N • N • • •
Summary for Subcatchment 1S: Pre
• • • • • • N • » • • • • N • N• • • • • • N• • • • • •N •N
• • •• Direct Entry, Direct
Subcatchment 1S: Pre
Hydrograph
---- --------------- ---- --Type It24Lhr-
Wake 001 yr, RaI'nfa1O. t 0"
Rupoff Amk=14! 300 ac
• l�unIff Vplun,�e=0.373r of
Runoff D,,epth>0.31"
o -------r--------t--------t-------r----------- C=15.0-niin-
w ICNT60
Time (hours)

SCM-Ocean East Pond Type II 24-hr Wake 001 yr Rainfall=3.10"
• •• • • •• • •• • •• • • »• »• » •». • • » • • •» • ••• .» N • N• • N • N • • •
Summary for Subcatchment 2S: Post
.......................... ..... .
• •• • • • • • • • • •• •• • • •• • • • •••• • • • ••• • • ••
• • • • • • •• • N • • • • N • N• • • • • • N• • • • • •N •N
• •• Direct Entry, Direct Entry
Subcatchment 2S: Post
Hydrograph
• ---- T---- 7 - - - r - - --
T--- -7----
--- ---- --------'---- -- --- --------'---- -- Type-0-24Lhr -
--------+----+---+----+---+------ �Wake001-yT-R-a' fal�AJ0-" -
.. - - - - - - Rur of€-Are-=16 ac -
• Runq€€ Volunie=1.204 of
----------------
ry--------+--------7----I_----I---------Y--- Run#'-Deptb1.41 -
� I I I I I I I I I I
3 '----1----1---- 1----1----I-----I----- I----1--------J----Tc--'r.-OO in-
w ••
. . . . . .. .. .. .. .. .. .. .. .. .. ..
Time (hours)

SCM-Ocean East Pond Type II 24-hr Wake 001 yr Rainfall=3.10"
• •• • • •• • •• • •• • • »• »• » •». • • » • • •» • ••• .» N • N• • N • N • • •
Summary for Subcatchment 4S: RUNOFF
•••••• • • •• • ••• •• • • • • •• • •••• • • • • • •• •• • •• •
• • • • • • •• • N • • • • N • N• • • • • • N• • • • • •N •N
• •• Direct Entry, Direct
Subcatchment 4S: RUNOFF
Hydrograph
`®l
---- - --Type 1124Lhr-
IWake 001 yr, ROIInfall=3. 0"
Ru4noO Arga=6;626 ac
Runoff Volume=0.174 of
Runoff Depth>0.32"-
Tc=5.0 inin
ICNT60
----7----I----7--------7-----7--------T--------7----I ----
. . . . .. .. .. .. .. .. .. .. .. .. .
Time (hours)

SCM-Ocean East Pond Type II 24-hr Wake 001 yr Rainfall=3.10"
. ............ .. w. w. w._. .. w ...w • ... .»».....».»...
Summary for Reach 5R: ANALYSIS POINT
Reach 5R: ANALYSIS POINT
Hydrograph
�l
. . . . . .. .. .. .. .. .. .. .. .. .. ..
Time (hours)

.................... ......
SCM-Ocean East Pond Type II 24-hr Wake 001 yr Rainfall=3.10"
Summary for Pond 3P: WETPOND
•• •N • •• •• • •• • • •• • • •• • • • • •• • • ••• • • •• N • • ••••• •N • •• • • •• •• • • .. . ....... .... • . . .. . . ..... . . .
•••••• • • •• • ••• •• • • • • •• • •••• • • • • • •• •• • •• •
• N • •• N • •• • •• • •N • ••N • • •• • • •• •• N •• • N • N •• • ••• ••• •• • • •• •••• • • •• ••N •N
• • • • • •• • • • • • •• • • •• • Custom Stage Data (Prismatic)•• N •• • •• • N • ••• • • • N
• • • •• • • • •• • • • •
• • • •• • • • •• • • • • •• • • • • •• • •
• • • •• • • • •• • • • • • •• • • • • • •• • •
• • • •• • • • •• • • • • •• • • • • • •• • •
• • • •N • •• • • • •• • • 36.0" Round Culvert
• • • • • N • •• • • • •• • • 2.5" Vert. Orifice/Grate •• • •• •• • • •••• N N• • ••• •• • N••N • •• ••N • •• • • • • •••
• • • • • N • •• • • • •• • • 48.0" x 48.0" Horiz. Orifice/Grate •• • •• •• • • •••
• • • •N • •• • • • •• • • 10.071 ong (Profile 6) Broad -Crested Rectangular Weir
................................
Primary OutFlow••. ............. .............. ....... w.... ..... N ...... .
1=Culvert........ . .. .. . .. .. .. ... . .. . .. .. .. . .. . .N N.N . .
t2=Orifice/Grate•••• •NN ........ N ........... ......... .
3=Orifice/Grate••••• • • ••• N •• •• • •• ••
=Sroad-Crested Rectangular Weir----- • • ••• N •• •• • •• ••

SCM-Ocean East Pond Type II 24-hr Wake 001 yr Rainfall=3.10"
• •• • • •• • •• • •• • • »• »• » • * • • » • • •» . ••• .» N . ••• . N . N .. .
Pond 3P: WETPOND
Hydrograph
------------------- ------ --- n - -- 2'I - --
I I I I I I �� �' I � I �
•-PeAk-El
I I
ev=268:49
_I- - - - - i - - - -I- - - - + - - - _
StpraI_
----------- +--------------- --- ----' ge=4 ,-06fr'Ic€-
--- -- -- -- -- --- - -- -- -- -- - -- -- - --
o
w
•
---,--------T--------T- - - -'I- ,--------T--------T - -- ----' -
- - - T - - - -'I- - - - T - - - - 'I - - - - T - - - -'I - - - T - - - -'I- - - - T - - - -'I- - - - T - - - - - - -'r- - - -
. . . . . .. .. .. .. .. .. .. .. .. .. ..
Time (hours)

SCM-Ocean East Pond Type II 24-hr Wake 002 yr Rainfall=3.70"
• •• • • •• • •• • •• • • »• »• » •». • • » • • •» • ••• .» N • N• • N • N • • •
Summary for Subcatchment 1S: Pre
• • • • • • N • » • • • • N • N• • • • • • N• • • • • •N •N
3
0
Direct Entry, Direct
Subcatchment 1S: Pre
Hydrograph
Type 1I 24Lhr
,Wale 002 yr, Ra�ilnfaO=3.10"
Runoff Q�re4=14;300 lac
- - - - - - - - - - Runoff Volunxe=-Q.fi4(- of
----I---- -- ---I---- Runoff Depth>0 4"
Tic=15.0 win
CN=;l 60
r
Time (hours)

SCM-Ocean East Pond Type II 24-hr Wake 002 yr Rainfall=3.70"
• •• • • •• • •• • •• • • »• »• » •». • • » • • •» • ••• .» N • N• • N • N • • •
Summary for Subcatchment 2S: Post
.......................... ..... .
• •• • • • • • • • • •• •• • • •• • • • •••• • • • ••• • • ••
• • • • • • •• • N • • • • N • N• • • • • • N• • • • • •N •N
• •• Direct Entry, Direct Entry
Subcatchment 2S: Post
Hydrograph
•----1----1--------1-------------'-------- 1----
-- +---- --- -- -0-- ,-hr
• L
.. ' � �-T----I----,----I-----I------I----�----I----�--�' a 2� hr
.. --- T----I - - -- - --
---I- - ---- IWake002-yT-Ra'fal�=�:JW
.. ---- ---- -- --
.. ---- ---- ---------- RurloffAreir-10280-�Iac-
• ---' ---- ---- - -- --- htun4fiVOfUMe= ':606� of-_
Rumhff-Depth> l -88' -
Q •----
----T--------T ----II----II---------T----II -------IZc=5.0+Wn-
w ..
-
------- T--------*----
-----I- -------T--------y----r--------+----
--------T--------T- - - - I --------T-------T------------T----
-I - - - - T - - - - - - - - T - - - - - - - -II - - -
. . . . . .. .. .. .. .. .. .. .. .. .. ..
Time (hours)

SCM-Ocean East Pond Type II 24-hr Wake 002 yr Rainfall=3.70"
.......... see ..N.N. NN....N...N. ... .»».....».»...
Summary for Subcatchment 4S: RUNOFF
•••••• • • •• • ••• •• • • • • •• • •••• • • • • • •• •• • •• •
• • • • • • •• • N • • • • N • N• • • • • • N• • • • • •N •N
• •• Direct Entry, Direct
Subcatchment 4S: RUNOFF
Hydrograph
------------I--------+------I------------+--3'�7pet 24Llii'-
' ,Wale 002 yr, Raillnfall=3.10"
Rvno0 Area=6,62_0 -ac-
Runo�ff Vplunje=0.298 of
--- r 7----------r T
• Runoff Depth>0.54"
0 ---- ---I-- ----- L---- ---- ----Tc7-5.0_Win-
w ICNT60
-
---I--------I - - - -+--------1--------+----I----4----1----
Time (hours)

SCM-Ocean East Pond Type II 24-hr Wake 002 yr Rainfall=3.70"
.......... see ..N.N. NN....N...N. ... .»».....».»...
Summary for Reach 5R: ANALYSIS POINT
•• •N • •• •• • •• • • •• • • •• • • • • •• • • ••• • • •• N • • ••••• •N • •• • • •• •• • • .. . ....... .... • . . .. . . ..... . . .
Reach 5R: ANALYSIS POINT
Hydrograph
�l
. . . . . .. .. .. .. .. .. .. .. .. .. ..
Time (hours)

.................... ......
SCM-Ocean East Pond Type II 24-hr Wake 002 yr Rainfall=3.70"
. ............ .. N. N. N ._. .. N ... N . ... . N .............. .
Summary for Pond 3P: WETPOND
•• •N • •• •• • •• • • •• • • •• • • • • •• • • ••• • • •• N • • ••••• •N • •• • • •• •• • • .. . ....... .... • . . .. . . ..... . . .
•••••• • • •• • ••• •• • • • • •• • •••• • • • • • •• •• • •• •
• N • •• N • •• • •• • •N • ••N • • •• • • •• •• N •• • N • N •• • ••• ••• •• • • •• •••• • •• ••N •N
• • • • • •• • • • • • •• • • •• • Custom Stage Data (Prismatic)•• N •• • •• • N • ••• • • • N
• • • •• • • • •• • • • •
• • • •• • • • •• • • • • •• • • • • •• • •
• • • •• • • • •• • • • • • •• • • • • • •• • •
• • • •• • • • •• • • • • •• • • • • • •• • •
• • • •N • •• • • • •• • • 36.0" Round Culvert
• • • • • N • •• • • • •• • • 2.5" Vert. Orifice/Grate •• • •• •• • • •••• N N• • ••• •• • N••N • •• ••N • •• • • • • •••
• • • • • N • •• • • • •• • • 48.0" x 48.0" Horiz. Orifice/Grate •• • •• •• • • •••
• • • •N • •• • • • •• • • 10.0' long (Profile 6) Broad Crested Rectangular Weir
................................
Primary OutFlow... ............. .............. ....... w.... ..... N ...... .
1=Culvert•....... . .. .. . .. .. .. ... . .. . .. .. .. . .. . .N N.N . .
t2=Orifice/Grate----=Orifice/Grate••••• • • ••• N •• •• • •• ••
=Sroad-Crested Rectangular Weir----- • • ••• N •• •• • •• ••

SCM-Ocean East Pond Type II 24-hr Wake 002 yr Rainfall=3.70"
• •• • • •• • •• • •• • • »• »• » • * • • » • • •» . ••• .» N . ••• . N . N .. .
Pond 3P: WETPOND
Hydrograph
••...
TL-------------------------------- T- -- -- -- -- -- -- -- --Y-- -- -- •- I'-- -- -- -- --n �I_-w------ �t--e----,Ia---- W. _-
8_-_-0 _-ar-c -------------------
T----
---- --------
...
------ ------------------------_-
k��=��8�97'_-
1----L----I-- ---L-----Pec' -
-
't
..
----r-------------- -
---
,-----T-T- ----3-r--t�-Sr��-4c------------
Gr
v
- - - T - - - -I- - - - T - - - -I- - - - T - - - -I- - T - - - -I- - - - T - - - -I- - - - T - - - T - - - - T ---
•
T - - - -I- - - - T - - - -I- - - - T - - - -I- - - - T - - - -I- - - - T - - -
- - J - - - -I- - - - 1 - - - -I- - - - L - - - J - - - - -I- - - - L - - - -I- - - - L - - - J - - - - L
- - - - } - - - -, _,_
• • • • • •• •• •• •• •• •• •• •• •• •• ••
Time (hours)

SCM-Ocean East Pond Type II 24-hr Wake 005 yr Rainfall=4.80"
• •• • • •• • •• • •• • • N• N• N ._• • • N • • •N • ••• .» » . ••• . » . » .. .
Summary for Subcatchment 1S: Pre
• • • . . • N • N • • • • N • N• • • • • • N• • • • • •N •N
• • •• Direct Entry, Direct
Subcatchment 1S: Pre
Hydrograph
----I---- T----I---- Y---------I---- Y--- - I - - -- T------------- Y----I---- Y----
+---- +---- --+--- ---- +------------ y'-pe:�-24Lhr-
- T - - - - - - - - T - - - - - - - -II - - - - - - I - - - - T - - - - - - - - - -
-'Vake 005-y I-Rra;nfal�=4- (Y' -
• ---- + -
---I- - --4---------I---------+Runoff Are4=14,JOO ac-
.. ---- ------ ---Runoff Volume=I.2U-af-
• ----' ---- ---- - -- ---'----+---RunOHDeptk>1.O.Tu-
... I I I I I I I I I I I I I I
3 •• -
---I- - - - T--------Y---------I---------Y------------------ -Un�iri-
o.
w--- -I- - ------I-------------I-----I---- ----I-----I----I-----
C1V =;
-
---I----it----
li----*----Ir----li-- --li----+----Ir---7----r----li----t----
Time (hours)

SCM-Ocean East Pond Type II 24-hr Wake 005 yr Rainfall=4.80"
.......... see ..N.N. NN....N...N. ... .»».....».»...
Summary for Subcatchment 2S: Post
.......................... ..... .
• •• • • • • • • • • •• •• • • •• • • • •••• • • • ••• • • ••
• • • • • • •• • N • • • • N • N• • • • • • N• • • • • •N •N
• •• Direct Entry, Direct Entry
Subcatchment 2S: Post
Hydrograph
----1----1----1----1----'-----'----L---- '----1---- ----J---- L---- ----J----
---- ---- -- -- --- ---- -- --Type --24Lhr--
-
---I- - - -T ---- ---- -- -- ----Wake 0$5-yT-Ra'nfal�=C$0_'
Ruijoff AreAAO 280tac -
- - - - - - - - - - - - - - - - - Runoff Volume=4.385 of -
--Runoff_D,egtb>2.78" -
3 .. Tc=5.0 win
w • I CN-83
---- T--- - I ---- --- ---------T- -- --- -F
---- T-
-------T- - - -
I ---------T------T------------T----
. . . . . .. .. .. .. .. .. .. .. .. .. ..
Time (hours)

SCM-Ocean East Pond Type II 24-hr Wake 005 yr Rainfall=4.80"
• •• • • •• • •• • •• • • »• »• » •». • • » • • •» • ••• .» N • N• • N • N • • •
Summary for Subcatchment 4S: RUNOFF
•••••• • • •• • ••• •• • • • • •• • •••• • • • • • •• •• • •• •
• • • • • • •• • N • • • • N • N• • • • • • N• • • • • •N •N
• •• Direct Entry, Direct
Subcatchment 4S: RUNOFF
Hydrograph
I I I I I I I
--------+--------'---------�----------+------------- + ---
-Type -24Lhr
' --- ---- -I---- ---I-- --- -III Wake 005-yT Ra' fal�=4.$O'
-
---I---- + ----I- - -- --- -- -- --------+-Runoff Ar"A3, 207ac-
---- ---- -- -- ---- Runoff vohuroe=0.5194 a€-
---- +---- ----I---- --------+--- Runoff -aeptb>L-06" -
3 Tc=5.0 ruin
0
CN-60
-II - - - - T - - - -I- - - - T - - - - T - - - -II- - - - -II- - - - T - - - - T - - - - - - - T - - - -II-
I I I I I I I I I I I I I
-I- - - - -L - - - - J
-----+----I---- * ---------I- ---- +--- -
I---- r---- r--------+----
Time (hours)

SCM-Ocean East Pond Type II 24-hr Wake 005 yr Rainfall=4.80"
. ............ .. w. w. w._. .. w ...w . ... .»».....».»...
Summary for Reach 5R: ANALYSIS POINT
Reach 5R: ANALYSIS POINT
Hydrograph
- -- -- -- -- ..».»»=-
-------=--------T--------I
-
QwAre,a&.9',QD ac
U - -7- - I -- -T- -I-- -7- - -7-- -I - -7- -I-- -T- -I-- -7-
w
• i t I I I I I I I I I I I I
i
Time (hours)
�l

.................... ......
SCM-Ocean East Pond Type II 24-hr Wake 005 yr Rainfall=4.80"
. ............ .. N. N. N ._. .. N ... N . ... . N .............. .
Summary for Pond 3P: WETPOND
•• •N • •• •• • •• • • •• • • •• • • • • •• • • ••• • • •• N • • ••••• •N • •• • • •• •• • • .. . ....... .... • . . .. . . ..... . . .
•••••• • • •• • ••• •• • • • • •• • •••• • • • • • •• •• • •• •
• N • •• N • •• • •• • •N • ••N • • •• • • •• •• N •• • N • N •• • ••• ••• •• • • •• •••• • •• ••N •N
• • • • • •• • • • • • •• • • •• • Custom Stage Data (Prismatic)•• N •• • •• • N • ••• • • • N
• • • •• • • • •• • • • •
• • • •• • • • •• • • • • •• • • • • •• • •
• • • •• • • • •• • • • • • •• • • • • • •• • •
• • • •• • • • •• • • • • •• • • • • • •• • •
• • • •N • •• • • • •• • • 36.0" Round Culvert
• • • • • N • •• • • • •• • • 2.5" Vert. Orifice/Grate •• • •• •• • • •••• N N• • ••• •• • N••N • •• ••N • •• • • • • •••
• • • • • N • •• • • • •• • • 48.0" x 48.0" Horiz. Orifice/Grate •• • •• •• • • •••
• • • •N • •• • • • •• • • 10.0' long (Profile 6) Broad Crested Rectangular Weir
................................
Primary OutFlow... ............. .............. ....... w.... ..... N ...... .
1=Culvert•....... . .. .. . .. .. .. ... . .. . .. .. .. . .. . .N N.N . .
t2=Orifice/Grate----=Orifice/Grate••••• • • ••• N •• •• • •• ••
=Sroad-Crested Rectangular Weir----- • • ••• N •• •• • •• ••

SCM-Ocean East Pond Type II 24-hr Wake 005 yr Rainfall=4.80"
• •• • • •• • •• • •• • • »• »• » • * • • » • • •» . ••• .» N . ••• . N . N .. .
Pond 3P: WETPOND
Hydrograph
-�- - - - L - - - - - - - - L - - - - - - -�- - - - L - - - -�- - - - L - - -
---J----1----1--------L-- ........-J----1----1--------L---J----L---
°❑�:�'...
..
------------------- ------ --- Jnftow Area=- 2I - --
- - - - - - - - - - - - - - ---PeAk- Elev=269:861
'
i-Storage=05;912 l�cf
3
-------,-----------------,- -------,---- -------- ,---- -,---- ,----
w
-
- --- -
-----------T--------T------T--------T-------- T-- -T
---T--------T--------T- - -------T-------T---T---- ---
. . . . . .. .. .. .. .. .. .. .. .. .. ..
Time (hours)

SCM-Ocean East Pond Type II 24-hr Wake 010 yr Rainfall=5.70"
• •• • • •• • •• • •• • • »• »• » •». • • » • • •» • ••• .» N • N• • N • N • • •
Summary for Subcatchment 1S: Pre
• • • • • • N • » • • • • N • N• • • • • • N• • • • • •N •N
• • •• Direct Entry, Direct
Subcatchment 1S: Pre
Hydrograph
- -'I- - - - + - - - -'I-
.. Type �124- hr
- - - -'I Wake 0t6-y I-Rra;rifal�=5.- jO`- -
--------+-------------------- -I----Y----I----Y----L----I----, ----
.. _ Runoff �=1 - - - - - i ac
---1----1---- 1---- -- -- - 1------ ---
.. - ---I-- --
T----I----7 - -- ---I--------T--- Runoff-D;eptbA.5S'
o • --- -- -- -- -- --- - - --
_T'Ic=1 5.0 rein
w • • 'I -I - - I - - I- � - 'I �I �I �I �I �I �I �I I
T-------- ------ --------ICA-.-;60-
• ---L---- I ----- ----I ----- I-1----- ---- ----- ----L----
• • • • • •• •• •• •• •• •• •• •• •• •• ••
Time (hours)

SCM-Ocean East Pond Type II 24-hr Wake 010 yr Rainfall=5.70"
.......... see ..N.N. NN....N...N. ... .»».....».»...
Summary for Subcatchment 2S: Post
.......................... ..... .
• •• • • • • • • • • •• •• • • •• • • • •••• • • • ••• • • ••
• • • • • • •• • N • • • • N • N• • • • • • N• • • • • •N •N
• •• Direct Entry, Direct Entry
Subcatchment 2S: Post
Hydrograph
• ---- + - - -- --- -------- - + - - --
---- ---- -+----
--- ---- -----------Type -1-24Lhr -
Wade 0 0 y- Ra;nfal =5. 0" _
1---- i---- - ---------!RupoffAreq=10!280iac
----I---- I---- - - - I -- ------- Runoff Volume=3►.0419af-
----1---- 1---- -- ------ ----1--- Runoff -Depth>3.56'
----'--- ---- ----'- --- --- --------- Tc=S.IIriiin-
o.
CN-83
---- T--------7--- ---------T--- --- 7----
• _-
--I----Y----I----Y----I-----I- --------Y--------Y----Y--------Y----
• • • • • •• •• •• •• •• •• •• •• •• •• ••
Time (hours)

SCM-Ocean East Pond Type II 24-hr Wake 010 yr Rainfall=5.70"
• •• • • •• • •• • •• • • »• »• » •». • • » • • •» • ••• .» N • N• • N • N • • •
Summary for Subcatchment 4S: RUNOFF
•••••• • • •• • ••• •• • • • • •• • •••• • • • • • •• •• • •• •
• • • • • • •• • N • • • • N • N• • • • • • N• • • • • •N •N
• •• Direct Entry, Direct
Subcatchment 4S: RUNOFF
Hydrograph
----I----i----r--- i ----I----I----r----I---- i ----I---r----i----I---- i ----
• - - - - - - - - - - - - - I - - - - - - - - - - - - - - - - I - - - - - - - - - - - - -
.. -
---I---- t---- I----Y---- I-----+-L
-
I------------------t---
Type --
-- hr-
-----------------------------
.. ---- ---- - ------ 'Wake- OtO-3T-R-a' fal�--5.JW--
.. 1 I - - - -I -on
o#'-Aria=fi;fi207ac -
--------T----I---- --- ---I-- T-
- - - - - - - - - - - - - - ]RungffV¢rume=Q:8 $ of -
----'--------I-------------I----------7---Ruric�#�'-Dle-tbA-5 "-
-I---- -I-------------I------I---- ----I-----I-----p-----------
.. ,I I I I I I I I I
3 •• ---- ---- 1--- - -- ---- 1--- LI----Tc=S.fliWil
0
•-
-------r--- -I- - -- 60
----i-- - -li -- ----I- - -- ----li----IiCN=;
----I----t----I----Y----I-----I- ----I___-Y----I----r----L----I----Y----
__ ---L----I----L----I-----I- --
------L----L---L----L--------L---
• • • • • •• •• •• •• •• •• •• •• •• •• ••
Time (hours)

SCM-Ocean East Pond Type II 24-hr Wake 010 yr Rainfall=5.70"
• •• • • •• • •• • •• • • »• »• » » * • • » • • •» • ••• .» N • N• • N • N • • •
Summary for Reach 5R: ANALYSIS POINT
Reach 5R: ANALYSIS POINT
Hydrograph
-;----I- ;--------T---
.
..
--;-__--__-T-__--__-r--
---1----1----1----------�
L
_ Qw Aj-ea
--
-J--------1--------1--------L---
M
-- T---
00 ar
Gr
3
---1----1----1--------L----'
-J--------1--------1--------L---
iL
--- T - - --
I - - -- T----I----
1 - - -
T----
-I-
-T----I ---T----
I I
----T-----
---T---
I
Time (hours)
0

.................... ......
SCM-Ocean East Pond Type II 24-hr Wake 010 yr Rainfall=5.70"
Summary for Pond 3P: WETPOND
•• •N • •• •• • •• • • •• • • •• • • • • •• • • ••• • • •• N • • ••••• •N • •• • • •• •• • • .. . ....... .... • . . .. . . ..... . . .
•••••• • • •• • ••• •• • • • • •• • •••• • • • • • •• •• • •• •
• N • •• N • •• • •• • •N • ••N • • •• • • •• •• N •• • N • N •• • ••• ••• •• • • •• •••• • • •• ••N •N
• • • • • •• • • • • • •• • • •• • Custom Stage Data (Prismatic)•• N •• • •• • N • ••• • • • N
• • • •• • • • •• • • • •
• • • •• • • • •• • • • • •• • • • • •• • •
• • • •• • • • •• • • • • • •• • • • • • •• • •
• • • •• • • • •• • • • • •• • • • • • •• • •
• • • •N • •• • • • •• • • 36.0" Round Culvert
• • • • • N • •• • • • •• • • 2.5" Vert. Orifice/Grate •• • •• •• • • •••• N N• • ••• •• • N••N • •• ••N • •• • • • • •••
• • • • • N • •• • • • •• • • 48.0" x 48.0" Horiz. Orifice/Grate •• • •• •• • • •••
• • • •N • •• • • • •• • • 10.071 ong (Profile 6) Broad -Crested Rectangular Weir
................................
Primary OutFlow••. ............. .............. ....... w.... ..... N ...... .
1=Culvert........ . .. .. . .. .. .. ... . .. . .. .. .. . .. . .N N.N . .
t2=Orifice/Grate•••• •NN ........ N ........... ......... .
3=Orifice/Grate•••. . N.. . . ... N ........... ......... .
=Sroad-Crested Rectangular Weir----- • • ••• N •• •• • •• ••

SCM-Ocean East Pond Type II 24-hr Wake 010 yr Rainfall=5.70"
• •• • • •• • •• • •• • • »• »• » • * • • » • • •» . ••• .» N . ••• . N . N .. .
Pond 3P: WETPOND
Hydrograph
•
- - - - - - -'I- - - - It - - - -'I - - - - IY - - . w ..... - 1 - - - -'I- - - - It - - - -'I - - - - IY - - - y - - - -'r - - -
'�,----'�,----'�,----'�,----'�-----�,--
❑❑ ":.». '...
•
,I
--'----- ---'- _ -��, -'----
---- riftA
ow rea 0. 80 ac
- - - 7 - - - -'I- - - - T - - - -'I- - - - T - - - -'I- - - - - - - - - - - - - - -
•
,��I
T T T T
I I I I I I I
---1----1----1--------L----I-- ---1----'-Peek-Elev=-270.09'-
I I I I I I I I
- - - - - - orag =t64-6-31'�cf
.VI •
- -T- -I-- -T- -I-- -T- -I- -T- -I-- -T- -I-- -T- -T-- -T-
w
• • • • • •• •• •• •• •• •• •• •• •• •• ••
Time (hours)

SCM-Ocean East Pond Type II 24-hr Wake 025 yr Rainfall=6.60"
• •• • • •• • •• • •• • • N• N• N ._• • • N • • •N • ••• .» » . ••• . » . » .. .
Summary for Subcatchment 1S: Pre
• • • . . • N • N • • • • N • N• • • • • • N• • • • • •N •N
• • •• Direct Entry, Direct
Subcatchment 1S: Pre
Hydrograph
•--------T ---------------- --N..._--------- - - - - ----- - -
---- ----
- - - - - T - - - - - - - - - -
Wade 0�5=y'�'-Ra�rifal�=6:00'`
.: -I---- -I---- --- ---I--
- - - - + Rur10€€-AreA=14,A00 ��, ac -
..----+-------- -- -- ----------------------------------
.. ---- --- -- -- -,---Runoff V--plume=4:499a€-
• + I - - - - - - - -I- - - - - - - T I I - - - - I I - - - -
---- + --- ---- --- tk>2.IWI -
o••----T------------'I----'I---------T----'I---T--- Tc-=15.0o in-
w------------------'------ - - -'-----
----=------------------'-
..---+----+----+---+----+---+---------+----+---+----+----ICN=;60-
• +----I----I---------T ----r I----
• - - - -I - - - - T I - - - --
. . . . . .. .. .. .. .. .. .. .. .. .. ..
Time (hours)

SCM-Ocean East Pond Type II 24-hr Wake 025 yr Rainfall=6.60"
• •• • • •• • •• • •• • • »• »• » •». • • » • • •» • ••• .» N • N• • N • N • • •
Summary for Subcatchment 2S: Post
.......................... ..... .
• •• • • • • • • • • •• •• • • •• • • • •••• • • • ••• • • ••
• • • • • • •• • N • • • • N • N• • • • • • N• • • • • •N •N
• •• Direct Entry, Direct Entry
Subcatchment 2S: Post
Hydrograph
.. ''----I----+----I----�----I-----I------I----+----I----�-- Type_�I.24Lhr
.. +---- +---- - -- ---
IIWake a�5-yr^-Rain€aO=6.Oa"- -
•----1----1----1----1---- -- ----------1 -- �- ---
I Ru o€€ -e 10,AOl ac
--------1----1----1---- -- ----------1---� --- - q----*----1----
.. ---- + --- ---- -- -- ---- Runoff Voluioe=3.727 a€ -
--- ---- ---- ---- -- -- --- ---- turi-e-tI>�-35'r-
--- -- - -- --- -- --- --- -- -- --- -- of -- ---
3-----------------------------------
------------Tc= .O inin-
iT • • I I
' -
---I---- T---- ---- T---------II- --------T--------T----T--------T----
. . . . . .. .. .. .. .. .. .. .. .. .. ..
Time (hours)

SCM-Ocean East Pond Type II 24-hr Wake 025 yr Rainfall=6.60"
• •• • • •• • •• • •• • • »• »• » •». • • » • • •» • ••• .» N • N• • N • N • • •
Summary for Subcatchment 4S: RUNOFF
•••••• • • •• • ••• •• • • • • •• • •••• • • • • • •• •• • •• •
• • • • • • •• • N • • • • N • N• • • • • • N• • • • • •N •N
• •• Direct Entry, Direct
Subcatchment 4S: RUNOFF
Hydrograph
-------- TlVe-�1-241 hr-
----
I � Wa�e 01 5-3'--Ra;rifal�=6:00'r -
----
• Rtno Aria=6;620 ac
----------------------------- ------------------------------------
.. T------------------I------ --- ]Runoff V—olume---1.1af-
�.
---- ---- ----'- --- ---- Runoff Deptk>2-1111 -
3 T---- Y---- -----------Y------------- Tc=S.0 xWin -
CN--60
----------
----
___-Y--------Y----Y--------Y----
I ---- t ---- I ---- I --- I ;kl ---- t ---- I ---- I ---- I ----
Time (hours)

SCM-Ocean East Pond Type II 24-hr Wake 025 yr Rainfall=6.60"
• •• • • •• • •• • •• • • »• »• » • * • • » • • •» . ••• .» N . ••• . N . N .. .
Summary for Reach 5R: ANALYSIS POINT
Reach 5R: ANALYSIS POINT
Hydrograph
w a 6.900
o ire1
---- t---- r--- ----------!-- -'------------!---
•---7----III----! ----III----! - -- -III --�----III---7----III----! ----III----! --
o• - - -- -i - -I- --
w
1--------1--------L--- --J----IL---1--------1--------L---
Time (hours)
�l

.................... ......
SCM-Ocean East Pond Type II 24-hr Wake 025 yr Rainfall=6.60"
. ............ .. N. N. N ._. .. N ... N . ... . N .............. .
Summary for Pond 3P: WETPOND
•• •N • •• •• • •• • • •• • • •• • • • • •• • • ••• • • •• N • • ••••• •N • •• • • •• •• • • .. . ....... .... • . . .. . . ..... . . .
•••••• • • •• • ••• •• • • • • •• • •••• • • • • • •• •• • •• •
• N • •• N • •• • •• • •N • ••N • • •• • • •• •• N •• • N • N •• • ••• ••• •• • • •• •••• • • •• ••N •N
• • • • • •• • • • • • •• • • •• • Custom Stage Data (Prismatic)•• N •• • •• • N • ••• • • • N
• • • •• • • • •• • • • •
• • • •• • • • •• • • • • •• • • • • •• • •
• • • •• • • • •• • • • • • •• • • • • • •• • •
• • • •• • • • •• • • • • •• • • • • • •• • •
• • • •N • •• • • • •• • • 36.0" Round Culvert
• • • • • N • •• • • • •• • • 2.5" Vert. Orifice/Grate •• • •• •• • • •••• N N• • ••• •• • N••N • •• ••N • •• • • • • •••
• • • • • N • •• • • • •• • • 48.0" x 48.0" Horiz. Orifice/Grate •• • •• •• • • •••
• • • •N • •• • • • •• • • 10.0' long (Profile 6) Broad Crested Rectangular Weir
................................
Primary OutFlow... ............. .............. ....... w.... ..... N ...... .
1=Culvert•....... . .. .. . .. .. .. ... . .. . .. .. .. . .. . .N N.N . .
t2=Orifice/Grate----=Orifice/Grate•••. . N.. . . ... N ........... ......... .
=Sroad-Crested Rectangular Weir----- • • ••• N •• •• • •• ••

SCM-Ocean East Pond Type II 24-hr Wake 025 yr Rainfall=6.60"
• •• • • •• • •• • •• • • »• »• » • * • • » • • •» . ••• .» N . ••• . N . N .. .
Pond 3P: WETPOND
Hydrograph
-
T ..»._ - - - T- -r- ---
•------------
------------ ---- --- ri - = �' -4AC -
.. -------'eiik -re-*=20,E--
?---- T - - -- r - -- ----?---8torTage=t08;�fi rc =
• --- ---- T---- T --- -- ---T----i----T--------T---T----
T---
---T--------T
--------T----'I---- T--------T-------- T-- -T ---- ---
3
o---,--------T--------T- - - -
----,--------T-------- T-- -
T ---- ---
w
---,--------T--------T - - - -I- --- ,--------T--------T-- -
T ---- ---
•---,--------T--------r--------,--------T--------r---,---- ---
• - - - T - - - - II - - - - T - - - -II- - - - T - - - -II- - - - T - - - -II- - - - T - - - -II- - - - T - - - T - - - - T - - -
..
• - - - 7 T - - - - - - - - -I- - - - T - - -I- - - - T - - - - - - - - - -
. . . . . .. .. .. .. .. .. .. .. .. .. ..
Time (hours)

SCM-Ocean East Pond Type II 24-hr Wake 050 yr Rainfall=7.30"
• •• • • •• • •• • •• • • »• »• » •». • • » • • •» • ••• .» N • N• • N • N • • •
Summary for Subcatchment 1S: Pre
• • • • • • N • » • • • • N • N• • • • • • N• • • • • •N •N
• • •• Direct Entry, Direct
Subcatchment 1S: Pre
Hydrograph
Type �I 24Lhr
--------'I----I---- ----II----I-- -IWa�e 0$0 y Ra;nfal�=7.$0"
.. ---- --- ---- ----II --- -- ---- l�uroffL�4re=�4;00;ac
---- ---------I------I--- un TV-ru--e= 04 af-
Runoff -Depth>2.55'
--------r----'r---7----'r----'i---------T----'r---,----r---- 'iCNV-6V -
---1----1--------1---------'----'---- 1---- ----L---- L----'---- 1---
- - - -'I - - - - + - - - -'I- - - - * - - - -'I- - - - -'I - '- - - - + - - - -'I- - - - y - - - -
Time (hours)

SCM-Ocean East Pond Type II 24-hr Wake 050 yr Rainfall=7.30"
• •• • • •• • •• • •• • • N• N• N •_. • • N • • •N . ••• .» » . ••• . » . » .. .
Summary for Subcatchment 2S: Post
.......................... ..... .
• •• • • • • • • • • •• •• • • •• • • • •••• • • • ••• • • ••
• • • • • • N • N • • • • N • N• • • • • • N• • • • • •N •N
• •• Direct Entry, Direct Entry
Subcatchment 2S: Post
Hydrograph
..---L----L ---- L-----------------1----1---- L---L----L--
----
• " --- --------I--------I---- ------+----I--------L--T a 24`fir-
.. ,----r--------r--------r-- ----;Wales $ayr-Rail falt=7.$O"-
.. - -- ----;--------;--------;----------
---
.. ---- - -- --------RupoffAre-4=1-0280iac-
• -- L---- L-------- - ---L-- ungff VQlujne=�.2af=
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-
3 -- - -- - -- - -- - -- -- TE=5.-O oiln-
--------r--------r--------,--
..
. . . . . .. .. .. .. .. .. .. .. .. .. ..
Time (hours)

SCM-Ocean East Pond Type II 24-hr Wake 050 yr Rainfall=7.30"
• •• • • •• • •• • •• • • »• »• » •». • • » • • •» • ••• .» N • N• • N • N • • •
Summary for Subcatchment 4S: RUNOFF
•••••• • • •• • ••• •• • • • • •• • •••• • • • • • •• •• • •• •
• • • • • • •• • N • • • • N • N• • • • • • N• • • • • •N •N
• •• Direct Entry, Direct
Subcatchment 4S: RUNOFF
Hydrograph
�'-
.. ---- ---- - -- ----II Wake 0$0-yr-Ra'nMa--7.$O! -
.. - - - - - - - - Runo -Area=6,620 TI ac -
-
----------------------------
------------------------------------
.. -Runc�f�' Votuxoe=1j.41,5 af -
Runc�#�'-aeptb>2-56'
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3 ••--------+----I-------------I------ ----+--------+----Tc=- AiWn
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(�7�� I
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---1----1----1----1---------I- --- I ---- + ----I---- L---- L----I---- 1---
-----1----1----1---------I- -----+--------L----L----I----1---
Time (hours)

SCM-Ocean East Pond Type II 24-hr Wake 050 yr Rainfall=7.30"
• •• • • •• • •• • •• • • »• »• » • * • • » • • •» . ••• .» N . ••• . N . N .. .
Summary for Reach 5R: ANALYSIS POINT
Reach 5R: ANALYSIS POINT
Hydrograph
Jnfl w ea 6.9'00 ac
1---- 1---- L--- -- --------1--------1--------L---
1I I I I I I I I I I I
w -
•---r--------t--------r-- - -----r--------t--------r--
-
I
r - - - - I- - - - t - - - -I- - - - r - - - r - -I- - - - t - - - -I-
Time (hours)
0

.................... ......
SCM-Ocean East Pond Type II 24-hr Wake 050 yr Rainfall=7.30"
. ............ .. N. N. N ._. .. N ... N . ... . N .............. .
Summary for Pond 3P: WETPOND
•• •N • •• •• • •• • • •• • • •• • • • • •• • • ••• • • •• N • • ••••• •N • •• • • •• •• • • .. . ....... .... • . . .. . . ..... . . .
•••••• • • •• • ••• •• • • • • •• • •••• • • • • • •• •• • •• •
• N • •• N • •• • •• • •N • ••N • • •• • • •• •• N •• • N • N •• • ••• ••• •• • • •• •••• • • •• ••N •N
• • • • • •• • • • • • •• • • •• • Custom Stage Data (Prismatic)•• N •• • •• • N • ••• • • • N
• • • •• • • • •• • • • •
• • • •• • • • •• • • • • •• • • • • •• • •
• • • •• • • • •• • • • • • •• • • • • • •• • •
• • • •• • • • •• • • • • •• • • • • • •• • •
• • • •N • •• • • • •• • • 36.0" Round Culvert
• • • • • N • •• • • • •• • • 2.5" Vert. Orifice/Grate •• • •• •• • • •••• N N• • ••• •• • N••N • •• ••N • •• • • • • •••
• • • • • N • •• • • • •• • • 48.0" x 48.0" Horiz. Orifice/Grate •• • •• •• • • •••
• • • •N • •• • • • •• • • 10.0' long (Profile 6) Broad Crested Rectangular Weir
................................
Primary OutFlow... ............. .............. ....... w.... ..... N ...... .
1=Culvert•....... . .. .. . .. .. .. ... . .. . .. .. .. . .. . .N N.N . .
t2=Orifice/Grate----=Orifice/Grate•••. . N.. . . ... N ........... ......... .
=Sroad-Crested Rectangular Weir----- • • ••• N •• •• • •• ••

SCM-Ocean East Pond Type II 24-hr Wake 050 yr Rainfall=7.30"
. ............ .. ». ». »».. ..»...». ••• .»N•N••N•N•••
Pond 3P: WETPOND
Hydrograph
280
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i
I
Time (hours)

SCM-Ocean East Pond Type II 24-hr Wake 100 yr Rainfall=8.20"
• •• • • •• • •• • •• • • N• N• N ._• • • N • • •N • ••• .» » . ••• . » . » .. .
Summary for Subcatchment 1S: Pre
• • • . . • N • N • • • • N • N• • • • • • N• • • • • •N •N
• • •• Direct Entry, Direct
Subcatchment 1S: Pre
Hydrograph
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Runoff Volunie=3.780 of
--- ---- - --------- Runoff _D,epth>3.17"_
--------- I----+----------- -------+-----------TAc-15-0min -
-
-------T--------Y---------I-----I---- T----I----,----Y----II CN\-60-
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. . . . . .. .. .. .. .. .. .. .. .. .. ..
Time (hours)

SCM-Ocean East Pond Type II 24-hr Wake 100 yr Rainfall=8.20"
.......... see ..N.N. N._...N...N. •••.»».•••.».»...
Summary for Subcatchment 2S: Post
.......................... ..... .
• •• • • • • • • • • •• •• • • •• • • • •••• • • • ••• • • ••
• • • • • • N • N • • • • N • N• • • • • • N• • • • • •N •N
• •• Direct Entry, Direct Entry
Subcatchment 2S: Post
Hydrograph
- - - - r - - - -I- - - - r - - - -I- - - - r - - - -I- - - - r - - - -I- - - - r - - - - r - - - r - - - - r - - - r ----
-------------
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. . . . . .. .. .. .. .. .. .. .. .. .. ..
Time (hours)

SCM-Ocean East Pond Type II 24-hr Wake 100 yr Rainfall=8.20"
.......... see ..N.N. NN....N...N. ... .»».....».»...
Summary for Subcatchment 4S: RUNOFF
•••••• • • •• • ••• •• • • • • •• • •••• • • • • • •• •• • •• •
• • • • • • •• • N • • • • N • N• • • • • • N• • • • • •N •N
• •• Direct Entry, Direct
Subcatchment 4S: RUNOFF
Hydrograph
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. . . . . .. .. .. .. .. .. .. .. .. .. ..
Time (hours)

SCM-Ocean East Pond Type II 24-hr Wake 100 yr Rainfall=8.20"
. ............ .. ». ». »».. ..»...». ••• .»N•N••N•N•••
Summary for Reach 5R: ANALYSIS POINT
•• •N • •• •• • •• • • •• • • •• • • • • •• • • ••• • • •• N • • ••••• •N • •• • • •• •• • • .. . ....... .... • . . .. . . ..... . . .
Reach 5R: ANALYSIS POINT
Hydrograph
0
. . . . . .. .. .. .. .. .. .. .. .. .. ..
Time (hours)

.................... ......
SCM-Ocean East Pond Type II 24-hr Wake 100 yr Rainfall=8.20"
Summary for Pond 3P: WETPOND
•• •N • •• •• • •• • • •• • • •• • • • • •• • • ••• • • •• N • • ••••• •N • •• • • •• •• • • .. . ....... .... • . . .. . . ..... . . .
•••••• • • •• • ••• •• • • • • •• • •••• • • • • • •• •• • •• •
• N • •• N • •• • •• • •N • ••N • • •• • • •• •• N •• • N • N •• • ••• ••• •• • • •• •••• • • •• ••N •N
• • • • • •• • • • • • •• • • •• • Custom Stage Data (Prismatic)•• N •• • •• • N • ••• • • • N
• • • •• • • • •• • • • •
• • • •• • • • •• • • • • •• • • • • •• • •
• • • •• • • • •• • • • • • •• • • • • • •• • •
• • • •• • • • •• • • • • •• • • • • • •• • •
• • • •N • •• • • • •• • • 36.0" Round Culvert
• • • • • N • •• • • • •• • • 2.5" Vert. Orifice/Grate •• • •• •• • • •••• N N• • ••• •• • N••N • •• ••N • •• • • • • •••
• • • • • N • •• • • • •• • • 48.0" x 48.0" Horiz. Orifice/Grate •• • •• •• • • •••
• • • •N • •• • • • •• • • 10.071 ong (Profile 6) Broad -Crested Rectangular Weir
................................
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1=Culvert•........ .. . .. . .. .. .. ... . .. . .. .. .. . .. . .N N.N . .
t2=Oiifice/Grate----=Orifice/Grate•••. . N.. . . ... N ............ ......... .
=Sroad-Crested Rectangular Weir----- • • ••• N •• •• • •• ••

SCM-Ocean East Pond Type II 24-hr Wake 100 yr Rainfall=8.20"
. ............ .. ». ». »».. ..»...». ••• .»N•N••N•N•••
Pond 3P: WETPOND
Hydrograph
. . . . . .. .. .. .. .. .. .. .. .. .. ..
Time (hours)

SCM-Ocean East Pond
Multi -Event Tables
Events for Subcatchment 1S: Pre
. .......... .... .... ..... ....
. .......... .... .... ..... ....
. .......... .... ..... ..... ....
. .......... .... ..... ..... ....
. .......... .... ..... ..... ....
. .......... .... ..... ..... ....
• .......... 8.20 63.35 3.780 3.17

SCM-Ocean East Pond
Multi -Event Tables
Events for Subcatchment 2S: Post
. .......... .... ..... ..... ....
. .......... .... ..... ..... ....
. .......... .... ..... ..... ....
. .......... .... ..... ..... ....
. .......... .... ..... ..... ....
. .......... .... ..... ..... ....
• .......... 8.20 107.60 4.954 5.78

SCM-Ocean East Pond
Multi -Event Tables
Events for Subcatchment 4S: RUNOFF
. .......... .... .... ..... ....
. .......... .... .... ..... ....
. .......... .... ..... ..... ....
. .......... .... ..... ..... ....
. .......... .... ..... ..... ....
. .......... .... ..... ..... ....
• .......... 8.20 41.58 1.757 3.18

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Multi -Event Tables
Events for Reach 5R: ANALYSIS POINT
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. .......... ..... ..... .... .
. .......... ..... ..... .... .
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. .......... ..... ..... .... .
• .......... 44.83 44.83 • •• •

SCM-Ocean East Pond
Multi -Event Tables
Events for Pond 3P: WETPOND
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ll`SDA United States
Department of
Agriculture
N RCS
Natural
Resources
Conservation
Service
A product of the National
Cooperative Soil Survey,
a joint effort of the United
States Department of
Agriculture and other
Federal agencies, State
agencies including the
Agricultural Experiment
Stations, and local
participants
Custom Soil Resource
Report for
Wake County,
North Carolina
Project Ocean
August 17, 2022

Preface
Soil surveys contain information that affects land use planning in survey areas.
They highlight soil limitations that affect various land uses and provide information
about the properties of the soils in the survey areas. Soil surveys are designed for
many different users, including farmers, ranchers, foresters, agronomists, urban
planners, community officials, engineers, developers, builders, and home buyers.
Also, conservationists, teachers, students, and specialists in recreation, waste
disposal, and pollution control can use the surveys to help them understand,
protect, or enhance the environment.
Various land use regulations of Federal, State, and local governments may impose
special restrictions on land use or land treatment. Soil surveys identify soil
properties that are used in making various land use or land treatment decisions.
The information is intended to help the land users identify and reduce the effects of
soil limitations on various land uses. The landowner or user is responsible for
identifying and complying with existing laws and regulations.
Although soil survey information can be used for general farm, local, and wider area
planning, onsite investigation is needed to supplement this information in some
cases. Examples include soil quality assessments (http://www.nres.usda.gov/wps/
portal/nres/main/soils/health/) and certain conservation and engineering
applications. For more detailed information, contact your local USDA Service Center
(https:Hoffices.sc.egov.usda.gov/locator/app?agency=nres) or your NRCS State Soil
Scientist (http://www.nres.usda.gov/wps/portal/nres/detail/soils/contactus/?
cid=nres142p2_053951).
Great differences in soil properties can occur within short distances. Some soils are
seasonally wet or subject to flooding. Some are too unstable to be used as a
foundation for buildings or roads. Clayey or wet soils are poorly suited to use as
septic tank absorption fields. A high water table makes a soil poorly suited to
basements or underground installations.
The National Cooperative Soil Survey is a joint effort of the United States
Department of Agriculture and other Federal agencies, State agencies including the
Agricultural Experiment Stations, and local agencies. The Natural Resources
Conservation Service (NRCS) has leadership for the Federal part of the National
Cooperative Soil Survey.
Information about soils is updated periodically. Updated information is available
through the NRCS Web Soil Survey, the site for official soil survey information.
The U.S. Department of Agriculture (USDA) prohibits discrimination in all its
programs and activities on the basis of race, color, national origin, age, disability,
and where applicable, sex, marital status, familial status, parental status, religion,
sexual orientation, genetic information, political beliefs, reprisal, or because all or a
part of an individual's income is derived from any public assistance program. (Not
all prohibited bases apply to all programs.) Persons with disabilities who require

alternative means for communication of program information (Braille, large print,
audiotape, etc.) should contact USDA's TARGET Center at [phone] (voice
and TDD). To file a complaint of discrimination, write to USDA, Director, Office of
Civil Rights, 1400 Independence Avenue, S.W., Washington, D.C. 20250-9410 or
call [phone] (voice) or [phone] (TDD). USDA is an equal opportunity
provider and employer.

Contents
Preface....................................................................................................................
2
How Soil Surveys Are Made..................................................................................5
SoilMap..................................................................................................................
8
SoilMap................................................................................................................9
Legend................................................................................................................10
MapUnit Legend................................................................................................
11
MapUnit Descriptions.........................................................................................11
Wake County, North Carolina..........................................................................13
RgC—Rawlings-Rion complex, 6 to 10 percent slopes...............................13
RgD—Rawlings-Rion complex, 10 to 15 percent slopes .............................15
W—Water....................................................................................................17
WaD—Wake-Rolesville complex, 10 to 15 percent slopes, very rocky.......
17
WaE—Wake-Rolesville complex, 15 to 25 percent slopes, very rocky.......
19
WfB—Wedowee-Saw complex, 2 to 6 percent slopes ................................
21
References............................................................................................................
24

How Soil Surveys Are Made
Soil surveys are made to provide information about the soils and miscellaneous
areas in a specific area. They include a description of the soils and miscellaneous
areas and their location on the landscape and tables that show soil properties and
limitations affecting various uses. Soil scientists observed the steepness, length,
and shape of the slopes; the general pattern of drainage; the kinds of crops and
native plants; and the kinds of bedrock. They observed and described many soil
profiles. A soil profile is the sequence of natural layers, or horizons, in a soil. The
profile extends from the surface down into the unconsolidated material in which the
soil formed or from the surface down to bedrock. The unconsolidated material is
devoid of roots and other living organisms and has not been changed by other
biological activity.
Currently, soils are mapped according to the boundaries of major land resource
areas (MLRAs). MLRAs are geographically associated land resource units that
share common characteristics related to physiography, geology, climate, water
resources, soils, biological resources, and land uses (USDA, 2006). Soil survey
areas typically consist of parts of one or more MLRA.
The soils and miscellaneous areas in a survey area occur in an orderly pattern that
is related to the geology, landforms, relief, climate, and natural vegetation of the
area. Each kind of soil and miscellaneous area is associated with a particular kind
of landform or with a segment of the landform. By observing the soils and
miscellaneous areas in the survey area and relating their position to specific
segments of the landform, a soil scientist develops a concept, or model, of how they
were formed. Thus, during mapping, this model enables the soil scientist to predict
with a considerable degree of accuracy the kind of soil or miscellaneous area at a
specific location on the landscape.
Commonly, individual soils on the landscape merge into one another as their
characteristics gradually change. To construct an accurate soil map, however, soil
scientists must determine the boundaries between the soils. They can observe only
a limited number of soil profiles. Nevertheless, these observations, supplemented
by an understanding of the soil -vegetation -landscape relationship, are sufficient to
verify predictions of the kinds of soil in an area and to determine the boundaries.
Soil scientists recorded the characteristics of the soil profiles that they studied. They
noted soil color, texture, size and shape of soil aggregates, kind and amount of rock
fragments, distribution of plant roots, reaction, and other features that enable them
to identify soils. After describing the soils in the survey area and determining their
properties, the soil scientists assigned the soils to taxonomic classes (units).
Taxonomic classes are concepts. Each taxonomic class has a set of soil
characteristics with precisely defined limits. The classes are used as a basis for
comparison to classify soils systematically. Soil taxonomy, the system of taxonomic
classification used in the United States, is based mainly on the kind and character
of soil properties and the arrangement of horizons within the profile. After the soil

Custom Soil Resource Report
scientists classified and named the soils in the survey area, they compared the
individual soils with similar soils in the same taxonomic class in other areas so that
they could confirm data and assemble additional data based on experience and
research.
The objective of soil mapping is not to delineate pure map unit components; the
objective is to separate the landscape into landforms or landform segments that
have similar use and management requirements. Each map unit is defined by a
unique combination of soil components and/or miscellaneous areas in predictable
proportions. Some components may be highly contrasting to the other components
of the map unit. The presence of minor components in a map unit in no way
diminishes the usefulness or accuracy of the data. The delineation of such
landforms and landform segments on the map provides sufficient information for the
development of resource plans. If intensive use of small areas is planned, onsite
investigation is needed to define and locate the soils and miscellaneous areas.
Soil scientists make many field observations in the process of producing a soil map.
The frequency of observation is dependent upon several factors, including scale of
mapping, intensity of mapping, design of map units, complexity of the landscape,
and experience of the soil scientist. Observations are made to test and refine the
soil -landscape model and predictions and to verify the classification of the soils at
specific locations. Once the soil -landscape model is refined, a significantly smaller
number of measurements of individual soil properties are made and recorded.
These measurements may include field measurements, such as those for color,
depth to bedrock, and texture, and laboratory measurements, such as those for
content of sand, silt, clay, salt, and other components. Properties of each soil
typically vary from one point to another across the landscape.
Observations for map unit components are aggregated to develop ranges of
characteristics for the components. The aggregated values are presented. Direct
measurements do not exist for every property presented for every map unit
component. Values for some properties are estimated from combinations of other
properties.
While a soil survey is in progress, samples of some of the soils in the area generally
are collected for laboratory analyses and for engineering tests. Soil scientists
interpret the data from these analyses and tests as well as the field -observed
characteristics and the soil properties to determine the expected behavior of the
soils under different uses. Interpretations for all of the soils are field tested through
observation of the soils in different uses and under different levels of management.
Some interpretations are modified to fit local conditions, and some new
interpretations are developed to meet local needs. Data are assembled from other
sources, such as research information, production records, and field experience of
specialists. For example, data on crop yields under defined levels of management
are assembled from farm records and from field or plot experiments on the same
kinds of soil.
Predictions about soil behavior are based not only on soil properties but also on
such variables as climate and biological activity. Soil conditions are predictable over
long periods of time, but they are not predictable from year to year. For example,
soil scientists can predict with a fairly high degree of accuracy that a given soil will
have a high water table within certain depths in most years, but they cannot predict
that a high water table will always be at a specific level in the soil on a specific date.
After soil scientists located and identified the significant natural bodies of soil in the
survey area, they drew the boundaries of these bodies on aerial photographs and

Custom Soil Resource Report
identified each as a specific map unit. Aerial photographs show trees, buildings,
fields, roads, and rivers, all of which help in locating boundaries accurately.

Soil Map
The soil map section includes the soil map for the defined area of interest, a list of
soil map units on the map and extent of each map unit, and cartographic symbols
displayed on the map. Also presented are various metadata about data used to
produce the map, and a description of each soil map unit.

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Custom Soil Resource Report
Map Unit Legend
Map Unit Symbol
Map Unit Name
Acres in AOI
Percent of AOI
RgC
Rawlings -Rion complex, 6 to 10
percent slopes
16.3
20.5%
RgD
Rawlings -Rion complex, 10 to
15 percent slopes
22.8
28.8%
W
Water
1.5
1.9%
WaD
Wake-Rolesville complex, 10 to
15 percent slopes, very rocky
5.0
6.3%
WaE
Wake-Rolesville complex, 15 to
25 percent slopes, very rocky
10.5
13.2%
WfB B
Wedowee -Saw complex, 2 to 6
percent slopes
23.2
29.2%
Totals for Area of Interest
79.3
100.0%
Map Unit Descriptions
The map units delineated on the detailed soil maps in a soil survey represent the
soils or miscellaneous areas in the survey area. The map unit descriptions, along
with the maps, can be used to determine the composition and properties of a unit.
A map unit delineation on a soil map represents an area dominated by one or more
major kinds of soil or miscellaneous areas. A map unit is identified and named
according to the taxonomic classification of the dominant soils. Within a taxonomic
class there are precisely defined limits for the properties of the soils. On the
landscape, however, the soils are natural phenomena, and they have the
characteristic variability of all natural phenomena. Thus, the range of some
observed properties may extend beyond the limits defined for a taxonomic class.
Areas of soils of a single taxonomic class rarely, if ever, can be mapped without
including areas of other taxonomic classes. Consequently, every map unit is made
up of the soils or miscellaneous areas for which it is named and some minor
components that belong to taxonomic classes other than those of the major soils.
Most minor soils have properties similar to those of the dominant soil or soils in the
map unit, and thus they do not affect use and management. These are called
noncontrasting, or similar, components. They may or may not be mentioned in a
particular map unit description. Other minor components, however, have properties
and behavioral characteristics divergent enough to affect use or to require different
management. These are called contrasting, or dissimilar, components. They
generally are in small areas and could not be mapped separately because of the
scale used. Some small areas of strongly contrasting soils or miscellaneous areas
are identified by a special symbol on the maps. If included in the database for a
given area, the contrasting minor components are identified in the map unit
descriptions along with some characteristics of each. A few areas of minor
components may not have been observed, and consequently they are not
mentioned in the descriptions, especially where the pattern was so complex that it
11

Custom Soil Resource Report
was impractical to make enough observations to identify all the soils and
miscellaneous areas on the landscape.
The presence of minor components in a map unit in no way diminishes the
usefulness or accuracy of the data. The objective of mapping is not to delineate
pure taxonomic classes but rather to separate the landscape into landforms or
landform segments that have similar use and management requirements. The
delineation of such segments on the map provides sufficient information for the
development of resource plans. If intensive use of small areas is planned, however,
onsite investigation is needed to define and locate the soils and miscellaneous
areas.
An identifying symbol precedes the map unit name in the map unit descriptions.
Each description includes general facts about the unit and gives important soil
properties and qualities.
Soils that have profiles that are almost alike make up a soil series. Except for
differences in texture of the surface layer, all the soils of a series have major
horizons that are similar in composition, thickness, and arrangement.
Soils of one series can differ in texture of the surface layer, slope, stoniness,
salinity, degree of erosion, and other characteristics that affect their use. On the
basis of such differences, a soil series is divided into soil phases. Most of the areas
shown on the detailed soil maps are phases of soil series. The name of a soil phase
commonly indicates a feature that affects use or management. For example, Alpha
silt loam, 0 to 2 percent slopes, is a phase of the Alpha series.
Some map units are made up of two or more major soils or miscellaneous areas.
These map units are complexes, associations, or undifferentiated groups.
A complex consists of two or more soils or miscellaneous areas in such an intricate
pattern or in such small areas that they cannot be shown separately on the maps.
The pattern and proportion of the soils or miscellaneous areas are somewhat similar
in all areas. Alpha -Beta complex, 0 to 6 percent slopes, is an example.
An association is made up of two or more geographically associated soils or
miscellaneous areas that are shown as one unit on the maps. Because of present
or anticipated uses of the map units in the survey area, it was not considered
practical or necessary to map the soils or miscellaneous areas separately. The
pattern and relative proportion of the soils or miscellaneous areas are somewhat
similar. Alpha -Beta association, 0 to 2 percent slopes, is an example.
An undifferentiated group is made up of two or more soils or miscellaneous areas
that could be mapped individually but are mapped as one unit because similar
interpretations can be made for use and management. The pattern and proportion
of the soils or miscellaneous areas in a mapped area are not uniform. An area can
be made up of only one of the major soils or miscellaneous areas, or it can be made
up of all of them. Alpha and Beta soils, 0 to 2 percent slopes, is an example.
Some surveys include miscellaneous areas. Such areas have little or no soil
material and support little or no vegetation. Rock outcrop is an example.
12

Custom Soil Resource Report
Wake County, North Carolina
RgC—Rawlings-Rion complex, 6 to 10 percent slopes
Map Unit Setting
National map unit symbol. 2xhbb
Elevation: 70 to 560 feet
Mean annual precipitation: 39 to 47 inches
Mean annual air temperature: 55 to 63 degrees F
Frost -free period: 200 to 250 days
Farmland classification: Farmland of statewide importance
Map Unit Composition
Rawlings and similar soils: 55 percent
Rion and similar soils: 35 percent
Minor components: 10 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Rawlings
Setting
Landform: I me rfluves
Landform position (two-dimensional): Shoulder, backslope
Landform position (three-dimensional): Interfluve
Down -slope shape: Convex
Across -slope shape: Convex
Parent material: Residuum weathered from granite
Typical profile
Ap - 0 to 8 inches: sandy loam
Bt - 8 to 20 inches: sandy clay loam
C - 20 to 40 inches: gravelly sandy loam
R - 40 to 80 inches: bedrock
Properties and qualities
Slope: 6 to 10 percent
Depth to restrictive feature: 20 to 40 inches to lithic bedrock
Drainage class: Well drained
Capacity of the most limiting layer to transmit water (Ksat): Very low to moderately
low (0.00 to 0.06 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Available water supply, 0 to 60 inches: Low (about 4.7 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 3e
Hydrologic Soil Group: C
Hydric soil rating: No
Description of Rion
Setting
Landform: I me rfluves
Landform position (two-dimensional): Shoulder, backslope
13

Custom Soil Resource Report
Landform position (three-dimensional): Interfluve
Down -slope shape: Convex
Across -slope shape: Convex
Parent material: Saprolite derived from granite and gneiss
Typical profile
Ap - 0 to 8 inches: sandy loam
Bt1 - 8 to 17 inches: sandy clay loam
Bt2 - 17 to 38 inches: sandy loam
C - 38 to 80 inches: sandy loam
Properties and qualities
Slope: 6 to 10 percent
Depth to restrictive feature: More than 80 inches
Drainage class: Well drained
Capacity of the most limiting layer to transmit water (Ksat): Moderately high to high
(0.57 to 1.98 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Available water supply, 0 to 60 inches: Moderate (about 7.3 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 3e
Hydrologic Soil Group: B
Hydric soil rating: No
Minor Components
Helena
Percent of map unit. 7 percent
Landform: Imerfluves
Landform position (two-dimensional): Shoulder, backslope
Landform position (three-dimensional): Interfluve
Down -slope shape: Convex
Across -slope shape: Convex
Hydric soil rating: No
Saw
Percent of map unit. 3 percent
Landform: Imerfluves
Landform position (two-dimensional): Shoulder, backslope
Landform position (three-dimensional): Interfluve
Down -slope shape: Convex
Across -slope shape: Convex
Hydric soil rating: No
14

Custom Soil Resource Report
RgD—Rawlings-Rion complex, 10 to 15 percent slopes
Map Unit Setting
National map unit symbol. 2xhb8
Elevation: 70 to 560 feet
Mean annual precipitation: 39 to 47 inches
Mean annual air temperature: 55 to 63 degrees F
Frost -free period: 200 to 250 days
Farmland classification: Farmland of statewide importance
Map Unit Composition
Rawlings and similar soils: 55 percent
Rion and similar soils: 35 percent
Minor components: 10 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Rawlings
Setting
Landform: I me rfluves
Landform position (two-dimensional): Backslope
Landform position (three-dimensional): Interfluve
Down -slope shape: Convex
Across -slope shape: Convex
Parent material: Residuum weathered from granite
Typical profile
Ap - 0 to 8 inches: sandy loam
Bt - 8 to 20 inches: sandy clay loam
C - 20 to 40 inches: gravelly sandy loam
R - 40 to 80 inches: bedrock
Properties and qualities
Slope: 10 to 15 percent
Depth to restrictive feature: 20 to 40 inches to lithic bedrock
Drainage class: Well drained
Capacity of the most limiting layer to transmit water (Ksat): Very low to moderately
low (0.00 to 0.06 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Available water supply, 0 to 60 inches: Low (about 4.7 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 4e
Hydrologic Soil Group: C
Hydric soil rating: No
15

Custom Soil Resource Report
Description of Rion
Setting
Landform: Imerfluves
Landform position (two-dimensional): Backslope
Landform position (three-dimensional): Interfluve
Down -slope shape: Convex
Across -slope shape: Convex
Parent material: Saprolite derived from granite and gneiss
Typical profile
Ap - 0 to 8 inches: sandy loam
Bt1 - 8 to 17 inches: sandy clay loam
Bt2 - 17 to 38 inches: sandy loam
C - 38 to 80 inches: sandy loam
Properties and qualities
Slope: 10 to 15 percent
Depth to restrictive feature: More than 80 inches
Drainage class: Well drained
Capacity of the most limiting layer to transmit water (Ksat): Moderately high to high
(0.57 to 1.98 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Available water supply, 0 to 60 inches: Moderate (about 7.3 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 4e
Hydrologic Soil Group: B
Hydric soil rating: No
Minor Components
Helena
Percent of map unit. 7 percent
Landform: Imerfluves
Saw
Landform position (two-dimensional): Backslope
Landform position (three-dimensional): Interfluve
Down -slope shape: Convex
Across -slope shape: Convex
Hydric soil rating: No
Percent of map unit. 3 percent
Landform: Imerfluves
Landform position (two-dimensional): Backslope
Landform position (three-dimensional): Interfluve
Down -slope shape: Convex
Across -slope shape: Convex
Hydric soil rating: No
it.

Custom Soil Resource Report
Map Unit Setting
National map unit symbol: 2ggjv
Elevation: 70 to 450 feet
Mean annual precipitation: 39 to 51 inches
Mean annual air temperature: 55 to 63 degrees F
Frost -free period: 200 to 250 days
Farmland classification: Not prime farmland
Map Unit Composition
Water: 100 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Water
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 8
Hydric soil rating: No
WaD—Wake-Rolesville complex, 10 to 15 percent slopes, very rocky
Map Unit Setting
National map unit symbol: 2xhbf
Elevation: 70 to 560 feet
Mean annual precipitation: 39 to 47 inches
Mean annual air temperature: 55 to 63 degrees F
Frost -free period: 200 to 250 days
Farmland classification: Not prime farmland
Map Unit Composition
Wake, very rocky, and similar soils: 50 percent
Rolesville, very rocky, and similar soils: 40 percent
Minor components: 10 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Wake, Very Rocky
Setting
Landform: Imerfluves
Landform position (two-dimensional): Backslope
Landform position (three-dimensional): Interfluve
Down -slope shape: Convex
17

Custom Soil Resource Report
Across -slope shape: Convex
Parent material: Residuum weathered from granite and gneiss
Typical profile
Ap - 0 to 7 inches: gravelly loamy coarse sand
C - 7 to 11 inches: gravelly loamy sand
R - 11 to 80 inches: bedrock
Properties and qualities
Slope: 10 to 15 percent
Depth to restrictive feature: 10 to 20 inches to lithic bedrock
Drainage class: Excessively drained
Capacity of the most limiting layer to transmit water (Ksat): Very low to low (0.00 to
0.01 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Available water supply, 0 to 60 inches: Very low (about 1.9 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 4s
Hydrologic Soil Group: D
Hydric soil rating: No
Description of Rolesville, Very Rocky
Setting
Landform: I me rfluves
Landform position (two-dimensional): Backslope
Landform position (three-dimensional): Interfluve
Down -slope shape: Convex
Across -slope shape: Convex
Parent material: Residuum weathered from granite and gneiss
Typical profile
Ap - 0 to 12 inches:
loamy sand
Bw - 12 to 26 inches: loamy sand
C - 26 to 32 inches:
loamy coarse sand
Cr - 32 to 38 inches:
bedrock
R - 38 to 80 inches:
bedrock
Properties and qualities
Slope: 10 to 15 percent
Depth to restrictive feature: 20 to 80 inches to lithic bedrock; 20 to 40 inches to
paralithic bedrock
Drainage class: Well drained
Capacity of the most limiting layer to transmit water (Ksat): Very low to low (0.00 to
0.01 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Available water supply, 0 to 60 inches: Moderate (about 6.4 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 4e
Hydrologic Soil Group: A
18

Custom Soil Resource Report
Hydric soil rating: No
Minor Components
Rock outcrop
Percent of map unit: 5 percent
Hydric soil rating: No
Ashlar, very rocky
Percent of map unit: 5 percent
Landform: Imerfluves
Landform position (two-dimensional): Backslope
Landform position (three-dimensional): Interfluve
Down -slope shape: Convex
Across -slope shape: Convex
Hydric soil rating: No
WaE—Wake-Rolesville complex, 15 to 25 percent slopes, very rocky
Map Unit Setting
National map unit symbol: 2xhbg
Elevation: 70 to 560 feet
Mean annual precipitation: 39 to 47 inches
Mean annual air temperature: 55 to 63 degrees F
Frost -free period: 200 to 250 days
Farmland classification: Not prime farmland
Map Unit Composition
Wake, very rocky, and similar soils: 50 percent
Rolesville, very rocky, and similar soils: 40 percent
Minor components: 10 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Wake, Very Rocky
Setting
Landform: Imerfluves
Landform position (two-dimensional): Backslope
Landform position (three-dimensional): Side slope
Down -slope shape: Convex
Across -slope shape: Convex
Parent material: Residuum weathered from granite and gneiss
Typical profile
Ap - 0 to 7 inches: gravelly loamy coarse sand
C - 7 to 11 inches: gravelly loamy sand
R - 11 to 80 inches: bedrock
Properties and qualities
Slope: 15 to 25 percent
19

Custom Soil Resource Report
Depth to restrictive feature: 10 to 20 inches to lithic bedrock
Drainage class: Excessively drained
Capacity of the most limiting layer to transmit water (Ksat): Very low to low (0.00 to
0.01 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Available water supply, 0 to 60 inches: Very low (about 1.9 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 4s
Hydrologic Soil Group: D
Hydric soil rating: No
Description of Rolesville, Very Rocky
Setting
Landform: I me rfluves
Landform position (two-dimensional): Backslope
Landform position (three-dimensional): Side slope
Down -slope shape: Convex
Across -slope shape: Convex
Parent material: Residuum weathered from granite and gneiss
Typical profile
Ap - 0 to 12 inches: loamy sand
Bw - 12 to 26 inches: loamy sand
C - 26 to 32 inches: loamy coarse sand
Cr - 32 to 38 inches: bedrock
R - 38 to 80 inches: bedrock
Properties and qualities
Slope: 15 to 25 percent
Depth to restrictive feature: 20 to 80 inches to lithic bedrock; 20 to 40 inches to
paralithic bedrock
Drainage class: Well drained
Capacity of the most limiting layer to transmit water (Ksat): Very low to low (0.00 to
0.01 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Available water supply, 0 to 60 inches: Moderate (about 6.4 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 6e
Hydrologic Soil Group: A
Hydric soil rating: No
Minor Components
Rock outcrop
Percent of map unit. 5 percent
Hydric soil rating: No
Ashlar, very rocky
Percent of map unit. 5 percent
20

Custom Soil Resource Report
Landform: Imerfluves
Landform position (two-dimensional): Backslope
Landform position (three-dimensional): Side slope
Down -slope shape: Convex
Across -slope shape: Convex
Hydric soil rating: No
WfB—Wedowee-Saw complex, 2 to 6 percent slopes
Map Unit Setting
National map unit symbol: 2xn42
Elevation: 70 to 560 feet
Mean annual precipitation: 39 to 47 inches
Mean annual air temperature: 55 to 63 degrees F
Frost -free period: 200 to 250 days
Farmland classification: Farmland of statewide importance
Map Unit Composition
Wedowee and similar soils: 60 percent
Saw and similar soils: 35 percent
Minor components: 5 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Wedowee
Setting
Landform: Imerfluves
Landform position (two-dimensional): Summit, shoulder
Landform position (three-dimensional): Interfluve
Down -slope shape: Convex
Across -slope shape: Convex
Parent material: Saprolite residuum weathered from granite and gneiss and/or
saprolite residuum weathered from schist
Typical profile
Ap - 0 to 4 inches: sandy loam
E - 4 to 7 inches: sandy loam
Bt - 7 to 23 inches: clay
BC - 23 to 35 inches: clay loam
C - 35 to 80 inches: sandy clay loam
Properties and qualities
Slope: 2 to 6 percent
Depth to restrictive feature: More than 80 inches
Drainage class: Well drained
Capacity of the most limiting layer to transmit water (Ksat): Very low to moderately
low (0.00 to 0.06 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
21

Custom Soil Resource Report
Frequency of ponding: None
Available water supply, 0 to 60 inches: Moderate (about 8.6 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 2e
Hydrologic Soil Group: D
Hydric soil rating: No
Description of Saw
Setting
Landform: Imerfluves
Landform position (two-dimensional): Summit, shoulder
Landform position (three-dimensional): Interfluve
Down -slope shape: Convex
Across -slope shape: Convex
Parent material: Residuum weathered from granite and gneiss
Typical profile
Ap - 0 to 8 inches: sandy loam
Bt - 8 to 20 inches: clay
BC - 20 to 26 inches: sandy clay loam
C - 26 to 29 inches: sandy loam
R - 29 to 80 inches: bedrock
Properties and qualities
Slope: 2 to 6 percent
Depth to restrictive feature: 20 to 40 inches to lithic bedrock
Drainage class: Well drained
Capacity of the most limiting layer to transmit water (Ksat): Very low to low (0.00 to
0.01 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Available water supply, 0 to 60 inches: Low (about 3.6 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 2e
Hydrologic Soil Group: C
Hydric soil rating: No
Minor Components
Wake
Percent of map unit. 5 percent
Landform: I me rfluves
Landform position (two-dimensional): Summit
Landform position (three-dimensional): Interfluve
Down -slope shape: Convex
Across -slope shape: Convex
Hydric soil rating: No
22

Custom Soil Resource Report
23

References
American Association of State Highway and Transportation Officials (AASHTO).
2004. Standard specifications for transportation materials and methods of sampling
and testing. 24th edition.
American Society for Testing and Materials (ASTM). 2005. Standard classification of
soils for engineering purposes. ASTM Standard D2487-00.
Cowardin, L.M., V. Carter, F.C. Golet, and E.T. LaRoe. 1979. Classification of
wetlands and deep -water habitats of the United States. U.S. Fish and Wildlife
Service FWS/OBS-79/31.
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