20191709 Ver 1_PCN Form Submission_20191213

DWR
mrlslon of Water Resources
Pre -Construction Notification (PCN) Form
September 29, 2018 Ver 3
Initial Review
Has this project met the requirements for acceptance in to the review process?*
r Yes
r No
Is this project a public transportation project?*
G Yes r No
Change only if needed.
BIMS # Assigned
20191709
Is a payment required for this project?*
r No payment required
r Fee received
r Fee needed - send electronic notification
Select Project Reviewer*
Andrew Moore:eads\awmoore3
Information for Initial Review
1a. Name of project:
COURTESY COPY - Chestnut Lodge Rd Sewer Rehabilitation
1a. Who is the Primary Contact?*
Shaun Armistead
1b. Primary Contact Email:*
[e-mail]
Date Submitted
12/13/2019
Nearest Body of Water
Swannanoa River & Laurel Branch
Basin
French Broad
Water Classification
C & B;Tr
Site Coordinates
Latitude: Longitude:
35.605515-82.332270
A. Processing Information
County (or Counties) where the project is located:
Buncombe
Is this project a public transportation project?*
r Yes r No
1a. Type(s) of approval sought from the Corps:
W Section 404 Permit (wetlands, streams and waters, Clean Water Act)
r Section 10 Permit (navigable waters, tidal waters, Rivers and Harbors Act)
1b. What type(s) of permit(s) do you wish to seek authorization?
* Nationwide Permit (NWP)
* Regional General Permit (RGP)
7 Standard (IP)
Version#*
1
Reviewing Office*
Asheville Regional Office - [phone]
1c. Primary Contact Phone:*
[phone]
V

1c. Has the NWP or GP number been verified by the Corps?
r Yes r No
Nationwide Permit (NWP) Number:
NWP Numbers (for multiple NWPS):
1d. Type(s) of approval sought from the DWR:
W 401 Water Quality Certification - Regular
r Non-404 Jurisdictional General Permit
r Individual Permit
le. Is this notification solely for the record because written approval is not required?
For the record only for DWR401 Certification:
For the record only for Corps Permit:
1f. Is this an after -the -fact permit application?*
r Yes r No
r 401 Water Quality Certification - E)iress
r Riparian Buffer Authorization
1g. Is payment into a mitigation bank or in -lieu fee program proposed for mitigation of impacts?
r Yes r No
1g. Is payment into a mitigation bank or in -lieu fee program proposed for mitigation of impacts?
r Yes r No
Acceptance Letter Attachment
1h. Is the project located in any of NC's twenty coastal counties?
r Yes r No
1j. Is the project located in a designated trout watershed?
O Yes r No
Applicant Information
1d. Who is applying for the permit?
W Owner r Applicant (other than owner)
le. Is there an Agent/Consultant for this project?*
r Yes r No
2. Owner Information
2a. Name(s) on recorded deed:
Metropolitan Sewerage District of Buncombe County, NC (Easement Folder)
2b. Deed book and page no.:
Multiple Easements - Varies
2c. Responsible party:
Metropolitan Sewerage District of Buncombe County, NC
2d.Address
Street Address
2028 Riverside Dr
Address tine 2
aty
Asheville
Postal / Zip (ode
28804
2e. Telephone Number:
[phone]
2g. Email Address:*
[e-mail]
State / Province / Region
NC
Country
us
2f. Fax Number:
r Yes r No
r Yes r No
t^�
C. Project Information and Prior Project History C^U
1. Project Information

1b. Subdivision name:
(d appropriate)
1c. Nearest municipality/town:
Black Mountain, NC
2. Project Identification
2a. Property Identification Number:
linear project crossing 16 parcels
2c. Project Address
Street Address
Address tine 2
City
Postal / Zip Code
3. Surface Waters
3a. Name of the nearest body of water to proposed project:"
Swannanoa River & Laurel Branch
3b. Water Resources Classification of nearest receiving water:*
C & B;Tr
3c. What river basin(s) is your project located in?*
French Broad
3d. Please provide the 12-digit HUC in which the project is located.
060101050602
4. Project Description and History
2b. Property size:
varies
State / Province / legion
Country
4a. Describe the existing conditions on the site and the general land use in the vicinity of the project at the time of this application:*
The area around the site is developed residential and commercial. North bank of Swannanoa River is light density residential, south bank of Swannanoa River is an automobile
junkyard, with waste concrete deposited throughout over many years. The junk yard is separated from the river bank by a small berm. The area around Laurel Branch in the project
area is medium density residential. The banks of Laurel Branch are intermittently protected by rip rap rock banks.
4b. Have Corps permits or DWR certifications been obtained for this project (including all prior phases) in the past?*
r Yes r No r Unknown
4d. Attach an 8 1/2 X 11 excerpt from the most recent version of the USGS topographic map indicating the location of the project site. (for DWR)
USGS Topo Surface Water Classification. pdf 332.86KB
4e. Attach an 8 1/2 X 11 excerpt from the most recent version of the published County NRCS Soil Survey map depicting the project site. (for DWR)
Soil_Map.pdf 614.54KB
4f. List the total estimated acreage of all existing wetlands on the property
4g. List the total estimated linear feet of all existing streams on the property:
500
4h. Explain the purpose of the proposed project:*
This project will replace an aging 6" and 8" clay sewer pipe line in poor shape with a new 8" and 12" ductile iron sewer pipe. This project aims to reduce the number of sanitary sewer
overnomG experienced in the area.
4i. Describe the overall project in detail, including indirect impacts and the type of equipment to be used:*
This project will be replacing an aging and undersized sanitary sewer pipe line that is in poor condition. The proposed 12" ductile iron pipe sewer line crosses the Swannanoa River at
the same alignment and depth as the existing 8" vitrified clay sever line. The new sewer line will better resist infiltration of river water and exfiltration of sewage than the existing clay
sewer line. The existing line crosses Laurel Branch north of Blue Ridge Rd near the western property line of the junkyard, then stays on the west side of Laurel Branch. This alignment
was deemed infeasible due to the proximity of houses and other structures to the existing line and Laurel Branch. The new sever line makes 4 crossings of Laurel Branch, below a 40"
culvert in Blue Ridge Rd, through a culvert under Old Lakey Gap Rd, a 4" ductile iron service connection, and an 8" ductile iron main line crossing. These crossings were carefully
examined and deemed necessary due to the locations of existing structures and the need for possible future sewer extensions up Chestnut Lodge Rd.
The new sewer line will be install via dig and replace method using tracked mechanical digging equipment. Construction activities will follow current best practices for erosion control and
prevention of surface water contamination.
4j. Please upload project drawings for the proposed project.
CHESTNUT LODGE RD 5-23-19.pdf 31.73MB
5. Jurisdictional Determinations
5a. Have the wetlands or streams been delineated on the property or proposed impact areas?*
r Yes r No r Unknown
Comments:

5b. If the Corps made a jurisdictional determination, what type of determination was made?*
r Preliminary r Approved r Not Verified r Unknown r N/A
Corps AID Number:
5c. If 5a is yes, who delineated the jurisdictional areas?
Name (if known):
Agency/Consultant Company:
Other:
5d1. Jurisdictional determination upload
6. Future Project Plans
6a. Is this a phased project?*
r Yes r No
Are any other NWP(s), regional general permit(s), or individual permits(s) used, or intended to be used, to authorize any part of the proposed project or related activity?
D. Proposed Impacts Inventory
1. Impacts Summary
la. Where are the impacts associated with your project? (check all that apply):
r Wetlands W Streams -tributaries r Buffers
r- Open Waters r Pond Construction
3. Stream Impacts
3a. Reason for impact (?)
3b.lmpact type *
3c. Type of impact*
3d. S. name *
3e. Stream Type*
of
3gSwidth *
3h. ImpactM
[3f.Type
urisdiction*
length*
S1
Crossing Swannanoa River
9
Tem orar
P Y
Excavation
Swannanoa River
Perennial
Both
55
20
Average (feet)
(linearfeet)
S2
Old Lake Gap Culvert
Y P
Permanent
Culvert
Laurel Branch
Perennial
Both
3
20
Crossing
Aver�e(feet)
(lir�rfeet)
S3
11 Chestnut Lodge Rd
9
Tem orar
P Y
Excavation
Laurel Branch
Perennial
Both
6
10
service
Average (fee)
(li �r feet)
MH # 20 Crossing
Temporary
Excavation
Laurel Branch
Perennial
Both
t�][;;]
31. Total jurisdictional ditch impact in square feet:
0
31. Total permanent stream impacts:
20
31. Total stream and ditch impacts:
70
31. Total temporary stream impacts:
50
3j. Comments:
All stream impacts for this project except S2 will be temporary, occurring only during installation of the new sewer line.
E. Impact Justification and Mitigation
1. Avoidance and Minimization
1a. Specifically describe measures taken to avoid or minimize the proposed impacts in designing the project:
Design of the new sewer alignment is such that stream crossings are minimized, especially by sewer services. Once construction in the vicinity of the
stream is complete, the stream banks will be restored according to detail 5.12-12 on page D-2 of the plans. Crossings of stormwater culverts are
designed with sanitary sewer under stormwater to reduce contaminant transmission, with exception of the crossing of the 36" culvert on Old Lakey
Gap Rd, where depth could not be feasibly achieved, and a stormwater conflict box was specified as shown in detail MSD-69A on page D-2 of the
attached plans. All new sewer lines on this project will be ductile iron material, and manholes are placed as far from the stream bank as feasible and
manholes outside of the 100-year floodplain where possible. Where manholes must be in the floodplain, they are specified with a lock -down watertight
lid.
1b. Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques:

Where stream crossings are necessary, the sewer line will be constructed "in the dry", such that no excavation is done within flowing water. Where
concrete encasement is specified, surface water shall not come in contact with uncured concrete. Stream banks will be restored to pre -construction
contours as quickly after construction in the vicinity of the creek is completed as is feasible. Matting will be installed to assist in restoration the creek
banks after construction is complete. Matting shall not contain plastic netting, in order reduce the negative impact to wildlife.
2. Compensatory Mitigation for Impacts to Waters of the U.S. or Waters of the State
2a. Does the project require Compensatory Mitigation for impacts to Waters of the U.S. or Waters of the State?
r Yes r No
2b. If this project DOES NOT require Compensatory Mitigation, explain why:
The majority of the stream impacts for this project are temporary. The permanent change to the culvert under Old Lakey Gap Rd should not negatively impact Laurel Branch, as the
cross -sectional area of the culvert should remain unchanged.
F. Stormwater Management and Diffuse Flow Plan (required by DWR) U
1. Diffuse Flow Plan
1a. Does the project include or is it adjacent to protected riparian buffers identified within one of the NC Riparian Buffer Protection Rules?
r Yes r No
If no, explain why:
Checked the riparian buffer area map on NCDEQ website, this area is not shown as a riparian buffer area on the map.
2. Stormwater Management Plan
2a. Is this a NCDOT project subject to compliance with NCDOT's Individual NPDES permit NCS000250?*
r Yes r No
2b. Does this project meet the requirements for low density projects as defined in 15A NCAC 02H .1003(2)?
r Yes r No
Comments:
G. Supplementary Information
1. Environmental Documentation
1a. Does the project involve an expenditure of public (federal/state/local) funds or the use of public (federal/state) land?*
r Yes r No
1b. If you answered "yes" to the above, does the project require preparation of an environmental document pursuant to the requirements of the National or State (North Carolina)
Environmental Policy Act (NEPA/SEPA)?*
r Yes r No
Comments:*
This project does not meet the triggers for a SEPA as specified at https://deq.nc.gov/permits-regulations/sepa.
2. Violations (DWR Requirement)
2a. Is the site in violation of DWR Water Quality Certification Rules (15A NCAC 2H .0500), Isolated Wetland Rules (15A NCAC 2H .1300), or DWR Surface Water or Wetland Standards or
Riparian Buffer Rules (15A NCAC 2B .0200)? *
r Yes r No
3. Cumulative Impacts (DWR Requirement)
3a. Will this project result in additional development, which could impact nearby downstream water quality?*
r Yes r No
3b. If you answered "no," provide a short narrative description.
Area is already developed, and replacement of this sewer line is unlikely to increase development.
4. Sewage Disposal (DWR Requirement)
4a. Is sewage disposal required by DWR for this project?*
r Yes r Nor WA
5. Endangered Species and Designated Critical Habitat (Corps Requirement)
5a. Will this project occur in or near an area with federally protected species or habitat?*
r Yes r No

5b. Have you checked with the USFWS concerning Endangered Species Act impacts?*
r Yes r No
5d. Is another Federal agency involved?*
r Yes r No
5e. Is this a DOT project located within Division's 1-8?
r Yes r No
5f. Will you cut any trees in order to conduct the work in waters of the U.S.?
r Yes r No
5g. Does this project involve bridge maintenance or removal?
r Yes r No
5h. Does this project involve the construction/installation of a wind turbine(s)?*
r Yes r No
r Unknown
5i. Does this project involve (1) blasting, and/or (2) other percussive activities that will be conducted by machines, such as jackhammers, mechanized pile drivers, etc.?
r Yes r No
If yes, please provide details to include type of percussive activity, purpose, duration, and specific location of this activity on the property.
Rock and Concrete removal statement.pdf 86.18KB
5j. What data sources did you use to determine whether your site would impact Endangered Species or Designated Critical Habitat?
USFWS website, including GIS map of critical habitats and a check of potential endangered species' locations.
Consultation Documentation Upload
Critical Habitat for Threatened & Endangered Species [USFWSj.pdf 163.62KB
6. Essential Fish Habitat (Corps Requirement)
6a. Will this project occur in or near an area designated as an Essential Fish Habitat?*
r Yes r No
6b. What data sources did you use to determine whether your site would impact an Essential Fish Habitat?*
hftps://www. fisheries. noaa. gov/natio na I/habitat-conservation/essential-fi s h-ha bitat#esse ntia I -fish -habitat -ma ppe r
7. Historic or Prehistoric Cultural Resources (Corps Requirement)
7a. Will this project occur in or near an area that the state, federal or tribal governments have designated as having historic or cultural preservation status?*
r Yes r No
7b. What data sources did you use to determine whether your site would impact historic or archeological resources?*
hftp://gis.ncdcr.gov/hpoweb/
7c. Historic or Prehistoric Information Upload
Historical Preservation map.pdf 1009.15KB
8. Flood Zone Designation (Corps Requirement)
8a. Will this project occur in a FEMA-designated 100-year floodplain?*
r Yes r No
8b. If yes, explain how project meets FEMA requirements:
Manholes in the 100-year floodplain are specified with water -tight, lockdown lids, and pre -construction ground contours shall be restored once
construction is complete.
8c. What source(s) did you use to make the floodplain determination?*
FEMA floodmaps were consulted during the survey phase and shown on the design survey, as well as the design plans for this project.
Miscellaneous
Comments
Miscellaneous attachments not previously requested.
Signature
*
[Z By checking the box and signing below, I certify that:
• I have given true, accurate, and complete information on this form;
• I agree that submission of this PCN 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 PCN form.
Full Name:
Shaun Kevin Armistead
Signature
Sh�UN k- 4,GW i'TEcv
Date
12/13/2019

NC Surface Water Classification
Copyright:© 2013 National Geographic Society, i-cubed
Surface Water Classifications
Classification Tr (Trout Waters)
River Basins
FBR
12/10/2019, 10:26:44 AM
0 0.2 0.40.1 mi
0 0.35 0.70.17 km
1:15,840
NCDENR Div. Water Resources
NCDENR - Division of Water Resources | Copyright:© 2013 National Geographic Society, i-cubed |
Soil Map—Buncombe County, North Carolina
Natural Resources
Conservation Service
Web Soil Survey
National Cooperative Soil Survey
12/10/2019
Page 1 of 339404003940500394060039407003940800394090039410003941100394030039404003940500394060039407003940800394090039410003941100378900379000379100379200379300379400379500
378900 379000 379100 379200 379300 379400 379500
35° 36' 25'' N 82° 20' 13'' W35° 36' 25'' N82° 19' 46'' W35° 35' 56'' N
82° 20' 13'' W35° 35' 56'' N
82° 19' 46'' WN
Map projection: Web Mercator Corner coordinates: WGS84 Edge tics: UTM Zone 17N WGS84
0 200 400 800 1200
Feet
0 50 100 200 300
Meters
Map Scale: 1:4,300 if printed on A portrait (8.5" x 11") sheet.
Soil Map may not be valid at this scale.
MAP LEGEND MAP INFORMATION
Area of Interest (AOI)
Area of Interest (AOI)
Soils
Soil Map Unit Polygons
Soil Map Unit Lines
Soil Map Unit Points
Special Point Features
Blowout
Borrow Pit
Clay Spot
Closed Depression
Gravel Pit
Gravelly Spot
Landfill
Lava Flow
Marsh or swamp
Mine or Quarry
Miscellaneous Water
Perennial Water
Rock Outcrop
Saline Spot
Sandy Spot
Severely Eroded Spot
Sinkhole
Slide or Slip
Sodic Spot
Spoil Area
Stony Spot
Very Stony Spot
Wet Spot
Other
Special Line Features
Water Features
Streams and Canals
Transportation
Rails
Interstate Highways
US Routes
Major Roads
Local Roads
Background
Aerial Photography
The soil surveys that comprise your AOI were mapped at
1:12,000.
Warning: Soil Map may not be valid at this scale.
Enlargement of maps beyond the scale of mapping can cause
misunderstanding of the detail of mapping and accuracy of soil
line placement. The maps do not show the small areas of
contrasting soils that could have been shown at a more detailed
scale.
Please rely on the bar scale on each map sheet for map
measurements.
Source of Map: Natural Resources Conservation Service
Web Soil Survey URL:
Coordinate System: Web Mercator (EPSG:3857)
Maps from the Web Soil Survey are based on the Web Mercator
projection, which preserves direction and shape but distorts
distance and area. A projection that preserves area, such as the
Albers equal-area conic projection, should be used if more
accurate calculations of distance or area are required.
This product is generated from the USDA-NRCS certified data as
of the version date(s) listed below.
Soil Survey Area: Buncombe County, North Carolina
Survey Area Data: Version 16, Sep 16, 2019
Soil map units are labeled (as space allows) for map scales
1:50,000 or larger.
Date(s) aerial images were photographed: Nov 23, 2011—Nov
28, 2017
The orthophoto or other base map on which the soil lines were
compiled and digitized probably differs from the background
imagery displayed on these maps. As a result, some minor
shifting of map unit boundaries may be evident.
Soil Map—Buncombe County, North Carolina
Natural Resources
Conservation Service
Web Soil Survey
National Cooperative Soil Survey
12/10/2019
Page 2 of 3
Map Unit Legend
Map Unit Symbol Map Unit Name Acres in AOI Percent of AOI
BeA Biltmore loamy sand, 0 to 3
percent slopes, occasionally
flooded
1.1 3.3%
DrB Dillard loam, 1 to 5 percent
slopes, rarely flooded
1.5 4.5%
EvD2 Evard-Cowee complex, 15 to
30 percent slopes,
moderately eroded
3.7 10.9%
IoA Iotla loam, 0 to 2 percent
slopes, occasionally flooded
0.9 2.6%
KsB Kanuga-Swannanoa complex,
2 to 8 percent slopes
0.1 0.4%
StB Statler loam, 1 to 5 percent
slopes, rarely flooded
0.8 2.4%
UfB Udorthents-Urban land
complex, 0 to 5 percent
slopes, occasionally flooded
4.1 12.2%
UhE Udorthents-Urban land
complex, 2 to 50 percent
slopes
11.8 34.8%
UnB Unison loam, 2 to 8 percent
slopes
2.9 8.6%
UnC Unison loam, 8 to 15 percent
slopes
5.6 16.5%
UnD Unison loam, 15 to 30 percent
slopes
1.3 3.8%
Totals for Area of Interest 33.7 100.0%
Soil Map—Buncombe County, North Carolina
Natural Resources
Conservation Service
Web Soil Survey
National Cooperative Soil Survey
12/10/2019
Page 3 of 3
Chestnut Lodge Rd Sewer Rehabilitation
Rock/Concrete Removal statement for USACE PCN

This statement is provided in reference to Question 5i on the PCN form being submitted for Chestnut
Lodge Rd Sewer Rehabilitation:

Where rock is encountered on this project, it will be removed pursuant to MSD technical specifications
section 1.07 (included below for reference). Waste concrete has been deposited for a number of years
on the Hall Towing and Recovery property. Removal of this waste concrete in the trench line will be
accomplished using a trackhoe-mounted rock hammer in the same manner as rock excavation. The
new sewer line is being placed, where possible, in the same alignment and grade as the existing sewer
line, reducing the amount of rock and or concrete necessary to remove in order to install the new sewer
line.

1.07 Rock Excavation

(a) The removal of sound, solid rock of whatever nature which occurs in its original position
in ledges, bedded deposits or stratified and unstratified masses within the excavation
limits shown on the plans, and which is of such hardness or texture that it cannot be
loosened, or broken down and removed without resort to drilling and blasting methods
or percussive hammering, shall be classified as rock excavation.

(b) The removal of hardpan, chert, clay, soft or disintegrated shale, boulders, and other
rock materials not included in Paragraph (a) above, shall not be classified as rock
excavation although the CONTRACTOR may elect to excavate same by drilling and
blasting methods. The excavation and removal of all such materials shall be classified as
common excavation.

(c) The removal of existing pavements, sidewalks, driveways, manholes and similar
structures called for on the Plans shall be performed under these specifications and shall
not be classified as rock excavation.

1.08 Rock in Pipe Trenches

(a) Rock encountered in trench excavation for sewers and other pipelines shall be removed
for the overall width of trench which shall be as shown on the Plans. It shall be removed
to a minimum depth of 6 inches below the bottom of the pipe. Where pipelines are
constructed on concrete cradles, rock shall be excavated to the bottom of the cradle as
shown on the plans.

(b) After the ENGINEER has examined the completed excavation, and has taken the
necessary measurements for volume determination, the space below the ultimate pipe
grade shall be filled with pipe embedment materials as required, compacted to proper
grade and made ready for pipe laying.

""
$$
$$
$$
$$
BLUE RIDGE RD
BLUE RIDGE ASSEMBLY DRMANEY LN S BLUERIDGE RDA C C E S S R D W O L F P IT B R
LASTRESORTTERTUCKERSROSIEWAY
LASTRESORT RDJULIANDRLAUREL LNOLD LAKEY GAP RDLAST RESORT RDDYER DR
CEMENT RDHERRON STW GREENBRIAR RDHIGH TOP COLONY RDWOLF CREEK DRCHESTNUTLODGE RDMANEYVIEW LNWHITE PINE DRBRIERBROOK RD
I 4 0 W
I 4 0 E
13-4285098"30-3737658"13-4358728"13-37254030"30-3718148"13-3748808"30-3741078"13-4164258"30-372416
8"
13-4164198"13-3745666"30 -3 72088Unknown
30-455077 8"13-375477 8"13-375745 8"30-3722618"13-416421 8"30-373142 8"13-371186 6"13-416424 8"30-373594 8"30-3716378"13-372599 6"13-416415 8"13-371966 8"30-371082 8"13-375086 30"13-374630 8"30-376054 8"13-374381Unknown 13-373682 8"30-374279Unknown13-375132 30"30-375071 8"13-4171788"13-4164178"13-37410530"30-3740598"13-3746318"Laurel Branch(Laurel Lake)Swannanoa River
Briar BranchWolfpit BranchBN1452 BlackForest Lodge
BN0645 JohnRunion House
BN1521 House
BN1569House
BN1576 House
±1 inch = 500 f eet
pro posed sewer line
U.S. Fish and Wildlife Service | Buncombe County, NC, State of North Carolina DOT, Tennessee STS GIS, Esri, HERE, Garmin, INCREMENT P, USGS, EPA,
USDA
Critical Habitat for Threatened & Endangered Species [USFWS]
A specific geographic area(s) that contains features essential for the conservation of a threatened or endangered species
and that may require special management and protection.
Final Linear Features
Final Polygon Features
Proposed Linear Features
Proposed Polygon
Features
300ft
SANITARY SEWER REHABILITATION
(PROJECT NO. 2014017)
MSD OF BUNCOMBE COUNTY
INDEX OF DRAWINGS
SHEET NO.
DESCRIPTION
C-1
INDEX OF DRAWINGS AND VICINITY MAP
PL-1
OVERALL SANITARY SEWER PLAN
PL-2
SANITARY SEWER PLAN & PROFILE
PL-3
SANITARY SEWER PLAN & PROFILE
PL-4
SANITARY SEWER PLAN & PROFILE
PL-5
SANITARY SEWER PLAN & PROFILE
PL-6
SANITARY SEWER PLAN & PROFILE
PL-7
SANITARY SEWER PLAN & PROFILE
D-1
SANITARY SEWER DETAILS
D-2
SANITARY SEWER DETAILS
GENERAL NOTES:
1. LENGTHS SHOWN ARE NOT ACTUAL PIPE LENGTHS BUT ARE DISTANCES STATION TO STATION. SLOPES SHOWN ON THE PROFILE
ARE CALCULATED USING LENGTHS FROM INSIDE EDGES OF MANHOLE.
2. ALL WORK ON THIS PROJECT SHALL COMPLY WITH THE CURRENT STANDARD DETAILS AND SPECIFICATIONS OF THE METROPOLITAN
SEWERAGE DISTRICT OF BUNCOMBE COUNTY. SPECIAL CONDITIONS AND SPECIAL PROVISIONS MAY APPLY TO THIS PROJECT - SEE
SPECIFICATIONS.
3. ALL WORK SHALL COMPLY WITH FEDERAL, STATE, AND LOCAL LAWS AND REGULATIONS, AS MAY BE APPLICABLE TO THIS PROJECT
AND THE WORK DONE HEREUNDER.
4. WHERE FEDERAL, STATE, OR LOCAL LAWS REQUIRE THAT A PERMIT BE ISSUED AND OBTAINED FOR WORK DONE UNDER THIS
PROJECT, ALL WORK PERFORMED BY THE CONTRACTOR SHALL BE PERFORMED IN STRICT COMPLIANCE WITH THE TERMS AND
CONDITIONS SET FORTH IN THE PERMIT.
5. ANY MODIFICATIONS TO THESE CONSTRUCTION PLANS OR SPECIFICATIONS SHALL BE APPROVED BY THE MSD PROJECT ENGINEER.
6. THE CONTRACTOR SHALL VERIFY THE LOCATION OF ALL UNDERGROUND UTILITIES PRIOR TO THE START OF CONSTRUCTION.
7. THE CONTRACTOR SHALL TAKE ALL NECESSARY STEPS TO KEEP THE SEWER AND ALL OTHER UTILITIES IN SERVICE AT ALL TIMES
DURING CONSTRUCTION. THE CONTRACTOR SHALL ASSUME ALL RESPONSIBILITY FOR REPAIRS OF ANY KIND FOR DAMAGES
RESULTING FROM THE CONTRACTOR'S CONSTRUCTION ACTIVITIES.
8. THE CONTRACTOR SHALL LOCATE ALL SERVICES CURRENTLY SERVED BY THE EXISTING SEWER AND RECONNECT TO THE NEW
SEWER, INSTALLING A CLEANOUT ASSEMBLY AS REQUIRED (SEE DETAIL).
9. THE CONTRACTOR SHALL RESTORE ALL STREETS, PROPERTIES, AND IMPROVEMENTS TO AS GOOD OR BETTER CONDITION THAN
EXISTED PRIOR TO CONSTRUCTION.
10. PROPERTY LINES SHOWN ON PLANS ARE APPROXIMATE ONLY. PROPERTY MONUMENTS DISTURBED DURING CONSTRUCTION SHALL
BE RESET BY A LICENSED NC PROFESSIONAL LAND SURVEYOR.
11. DESIGN BASED ON SURVEY INFORMATION PROVIDED BY WES COLE LAND SURVEYING AT 828-251-7025.
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MSD #13-25046
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LOOSE INITIAL
BACKFILL
n
TYPE 3
LOOSE INITIAL
BACKFILL
EXISTING SOIL
EXISTING SOIL
12" OF FINE LOOSE EARTH FREE
FROM LARGE CLODS, STONES,
DEBRIS, VEGETABLE MATTER,
OR OTHER OBJECTIONABLE
MATERIALS.
TRENCH BACKFILL MATERIAL
COMPACTED TO 85% STANDARD
PROCTOR IN 12" LIFTS.
INITIAL BACKFILL SEE
TRENCH DETAILS.
TRENCH BACKFILL IN MSD RIGHTS OF WAY
N.T.S.
LOOSE INITIAL
BACKFILL
LOOSE INITIAL
BACKFILL
UNDISTURBED EARTH
LIGHTLY COMPACTED
BACKFILL TO TOP OF
PIPE
UNDISTURBED EARTH
GRANULAR OR SELECT
BACKFILL COMPACTED
TO 90% STANDARD
PROCTOR TO TOP OF
PIPE
LOOSE INITIAL
BACKFILL
D
LIGHTLY COMPACTED
BACKFILL TO TOP OF
PIPE
JNDISTURBED EARTH
BACKFILL COMPACTED
TO 80% STANDARD
PROCTOR TO TOP OF
PIPE
PIPE BEDDED IN SAND,
GRAVEL, OR CRUSHED
STONE TO 1/8th PIPE
DIAMETER, 4" MINIMUM
UNDISTURBED EARTH
" SEE DETAIL 2.05-02 FOR
ALLOWABLE DEPTHS
PIPE BE
D S RINGLINED0
IN
D ,� GRANULAR MATERIAL TRENCH WIDTH
MINIMUM 4" BELOW THE MINIMUM TRENCH WIDTH SHALL BE
INVERT OF PIPE,
COMPACTED TO 90% THE NOMINAL PIPE DIAMETER PLUS 24",
ti STANDARD PROCTOR EXCEPT THAT THE MINIMUM TRENCH
TYPE 5 WIDTH SHALL NOT BE LESS THAN 48" IN
ANY CASE
UNDISTURBED EARTH
NOTES:
1. MINIMUM ALLOWABLE DEPTH OF COVER IS 3 FT.
2. IN ROCK OR WET SOIL, PIPE MUST BE BEDDED IN AT LEAST 6" OF CRUSHED STONED EMBEDMENT
MATERIAL BELOW THE INVERT OF THE PIPE.
3. GRANULAR MATERIALS ARE DEFINED PER THE AASHTO SOIL CLASSIFICATION SYSTEM (ASTMD3282)
OR THE UNIFIED SOIL CLASSIFICATION SYSTEM (ASTM D2487), WITH THE EXCEPTION THAT GRAVEL
BEDDING/BACKFILL ADJACENT TO THE PIPE IS LIMITED TO 2" MAXIMUM PARTICLE SIZE PER ANSI/AWWA
C600
4. THESE PIPES ARE ADEQUATE FOR DEPTHS OF COVER FROM 3 FT. UP TO THE MAXIMUM SHOWN
INCLUDING AN ALLOWANCE FOR A SINGLE H-20 TRUCK WITH A 1.5 IMPACT FACTOR UNLESS NOTED,
5. RING DEFLECTION LIN4ITED TO 3%, MINIMUM SAFETY FACTOR OF 2. EARTH LOAD BASED ON SOIL
WEIGHT OF 120 PCF.
UNDISTURBED EARTH
NIMUM
4SHED STONE EMBEDMENT
1TERIAL
NIMUM
;P
TRONGBACK" 5003
SERIES COUPLING FOR CLAY TO
DUCTILE IRON OR APPROVED
EQUAL
NOTES:
1. ONLY ONE TRANSITION IN PIPE MATERIALS
ALLOWED BETWEEN ANY TWO MANHOLES.
2. FOR PVC TO D.I.P., AND D.I.P. TO D.I.P.
CONNECTIONS, LONG BODY D.I.M.J. SLEEVES
SHALL BE USED.
Maximum Depth of Cover for Ductile Iron Pipe w/ Cement Linir,q
vpe 1
Type
Type
4
350
53
61
69100
FType
6
350
26
31
3765
835016
20
2550
10
350
11
15
19
28
45
12
350
10
15
19
28
44
14
250
-
11
15
23
36
14
300
-
13
17
26
42
14
350
-
14
19
27
44
16
250
-
11
15
24
34
16
300
-
13
17
26
39
16
350
-
15
20
28
44
18
250
-
10
14
22
31
18
300
-
13
17
26
36
18
350
-
15
19
28
41
20
250
-
10
14
22
30
20
300
-
13
17
26
35
20
350
-
15
19
28
38
24
200
-
8
12
17
25
24
250
-
11
15
20
29
24
300
-
13
17
24
32
24
350
-
15
19
28
37
30
200
-
8
12
16
24
24
250
-
11
15
19
27
30
300
-
12
16
21
29
30
350
-
15
19
25
33
36
200
-
8
12
15
23
36
250
-
10
14
18
—2 5
36
300
-
12
16
20
28
36
350
-
15
19
24
32
42
200
-
8
12
15
22
42
250
-
10
14
17
25
42
300
-
12
16
20
27
42
350
-
15
19
23
32
48
200
-
8
11
15
22
48
250
-
10
13
17
24
48
300
-
12
15
19
27
48
350
-
15
18
22
30
54
200
-
8
11
14
22
54
250
-
10
13
16
24
54
300
-
13
15
19
—2 7
54
350
-
15
18
22
30
60
200
-
8
11
14
22
60
250
-
10
13
16
24
60
300
-
13
15
19 1
26
60
350
-
15
18
22
30
64
200
-
8
11
14
21
64
250
-
10
13
16
24
64
300
-
12
15
19
26
64
350
-
15
17
21
29
SOURCE: Ductile Iron Pipe istewater Appiicotions. DIPRA 200h71
NOTE: FITTINGS SHALL BE THE
SAME MATERIAL AS EXIST. SEWER
�O\\
ttJl J I VIVG I V
SPRINGLINE
SEE SERVICE
CONNECTION DETAIL
NOT FOR USE ON NEW CONSTRUCTION.
NOTES:
1. WYE CONNECTIONS ARE STANDARD FOR NEW SEWER MAIN CONSTRUCTION.
2. FORCE MAINS CARRYING DOMESTIC WASTEWATER FROM SANITARY CONVENIENCES
WITHIN A SINGLE BUILDING, MAY BE CONNECTED TO A 4" MSD GRAVITY SERVICE LINE
PROVIDED THAT GRAVITY FLOW WILL BE MAINTAINED DURING PROPOSED MAXIMUM
DISCHARGE RATE FOR THE GRINDER OR EFFLUENT PUMP(S).
3. WHERE COVER IS LESS THAN 3 FT. DUCTILE IRON MUST BE USED.
4. WHERE DUCTILE IRON IS REQUIRED RISER MAY BE CONSTRUCTED WITH SCH. 40 PVC
2' MAX. UNLESS
OTHERWISE INDICATED
COUNTERSUNK PVC
PLUG
CLEANOUT BOX
Lrt
INSTALLED ON 8" OF
COMPACTED PIPE
Z >
EMBEDMENT
OU
MATERIALS
z
w
0 4
Of 1
CONNECT TO EXISTING SEWER SERVICE WITH
APPROVED COUPLING OR INSTALL PVC PLUG FOR
FUTURE SERVICE. WHEN REQUIRED BACKFLOW
VALVES SHALL BE INSTALLED ON PORTION OF LATERAL
TO BE MAINTAINED BY PROPERTY OWNER.
SEE DETAIL 2.07-03
FOR ADDITIONAL NOTES
45' BEND
NOTE
GLUED
CAP
CUT OFF EXTENSION
TO CONNECT HOUSE SERVICE
(PROVIDE MINIMUM COVER OF
30") AND INSTALL CLEAN -OUT
NOTES:
1. WYE CONNECTIONS ARE STANDARD FOR NEW SEWER MAIN CONSTRUCTION.
2. FORCE MAINS CARRYING DOMESTIC WASTEWATER FROM SANITARY CONVENIENCES
WITHIN A SINGLE BUILDING, MAY BE CONNECTED TO A 4" MSD GRAVITY SERVICE LINE
PROVIDED THAT GRAVITY FLOW WILL BE MAINTAINED DURING PROPOSED MAXIMUM
DISCHARGE RATE FOR THE GRINDER OR EFFLUENT PUMP(S).
3. WHERE COVER IS LESS THAN 3 FT. DUCTILE IRON MUST BE USED.
4. WHERE DUCTILE IRON IS REQUIRED RISER MAY BE CONSTRUCTED WITH SCH. 40 PVC
2' MAX. UNLESS OTHERWISE INDICATED ■
COUNTERSUNK PVC PLUG —�
CLEANOUT BOX INSTALLED —�
ON 8" OF COMPACTED PIPE
— IN -LINE WYE (REQ'D FOR EMBEDMENT MATERIALS
LINES 12" AND LESS
SCHED. 40 PVC or D.I.P.
1 FT. SECTION OF PIPE WITH GLUED CAP.
,r-- BEND
/ SEWER LATERAL CONSTRUCTED AT 2%
GRADE UNLESS OTHERWISE INDICATED.
- UNDISTURBED EARTH
PROVIDE STONE BEDDING
UNDER WYE (OR TAPPING
SADDLE) AND BEND
CONNECT TO EXISTING SEWER
SERVICE WITH APPROVED
"COUPLING" OR INSTALL PVC PLUG
FOR FUTURE SERVICE. WHEN
REQUIRED BACKFLOW VALVES
SHALL BE INSTALLED ON PORTION
OF LATERAL TO BE MAINTAINED BY
PROPERTY OWNER.
- PVC REQUIRES 6" BEDDING
FULL LENGTH OF SERVICE TRENCH
SHALL BE COMPACTED IN 6" LIFTS
z
2Z" MIN.
IN ROADS
7 3/4" MIN.
4"MIN.CLEARANCE
FROM BOTTOM OF
COVER TO TOP OF CLEANOUT
Z
COUNTERSUNK
PLUG
3"MIN.
- 4" OR 6" SEWER
CLEANOUT
RISER PIPE
Q�
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6"MIN. WASHED
STONE BASE
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NOTE:
1. ALL SANITARY SEWER CLEANOUT BOXES AND
COVERS SHALL BE MANUFACTURED FROM GRAY
IRON (CAST IRON) MEETING THE REQUIREMENTS
OF AWWA C110 AND ASTM A536.
2. ALL SANITARY SEWER CLEANOUT BOXES AND
COVERS SHALL CONFORM TO PARAGRAPH 2.01(d)
OF ITEM II, SECTION VI OF MSD's TECHNICAL
SPECIFICATIONS (MADE IN THE U.S.A.)
3. NON -TRAFFIC LOCATIONS; SANITARY SEWER
CLEANOUT BOXES AND COVERS SHALL BE AS
MANUFACTURED BY EAST JORDAN IRON WORKS
MODEL 1566 (OR APPROVED EQUAL) STANDARD DETAIL
4. TRAFFIC LOCATIONS, SANITARY SEWER CLEANOUT Metropolitan Sewerage District
BOXES AND COVERS SHALL BE AS MANUFACTURED of Buncombe County, North Carolina
BY EAST JORDAN IRON WORKS MODEL 1574 (OR
APPROVED EQUAL)
CLEANOUT BOX
DATE APPROVED: MARCH 28, 2019 2.07 - 05
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TRENCH
PIPE WIDTH GROUT
EMBEDMENT MATERIAL INSIDE JOINT
'4
SECTION C-C
N.T.S.
CASTIRON
FRAME & COVER
12" MAX. BRICK
ADJUSTMENT
MANHOLE —�
STEPS
SEE
DETAIL
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4'- 0"
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EMBEDMENT
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w STEPS
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MANHOLE
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n
2 ROPES BUTYL
RUBBER
SEALANT
A-J
2 _ SECTIONAL PLAN
N.T.S.
6" MIN. PIPE
EMBEDMENT MATERIAL
PIPE UNDISTURBED
EMBEDMENT NOTE: MANHOLE STEPS TO BE VERTICALLY
MATERIAL IN LINE WITH "INVERT OUT".
SECTION A -A
MANHOLE NOTES: N.T.S
1. FOR MANHOLES LARGER THAN 4 FT. DIA., MAINTAIN STANDARD DET/
FULL MANHOLE DIA, TO 6 FT. ABOVE INVERT BENCH. Metropolitan Sewerage
2. FOR 5 FT. AND 6 FT. DIA. MANHOLES, USE A of Buncombe County, North Car(
TRANSITION CONE TO REDUCE TO 4 FT. DIA. FOR 7
FT. TO 10 FT. DIA. MANHOLES, USE A TRANSITION STANDARD MAN
TOP TO REDUCE TO 4 FT. DIA.
FILL WITH NATIVE
MATERIAL TO RIVER
FLOOR
a
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W
0
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CONCRETE ENCASEMENT DETAIL
N.T.S
15
V)
RIVER FLOOR
CONCPCTC AK]r+uno
BOLTSI
5/8" 0 LIFTING BAR (TYP.)
COVER
N.T.S
5/8" 0 LIFTING BAR (TYP.)
STANDARD RING AND COVER
N.T.S
MATCH FRAME TO EXISTING GRADE
FOR LANDSCAPED LOCATIONS
CONCRETE ANCHOR
BOLT FOUR (4) MIN.
FRAME SET IN NON -ROADWAY LOCATION
N.T.S
MACHINED
SURFACES
�1
GROUT PAVEMENT
BRICK -GROUT
ALL JOINTS
le,l rrrrr�
',
X
2
2"x1/4"
BUTYL
PRECAST CONCRETE
3 BRICKS (MAX.) GRADE RING
PRECAST MANHOLE
FRAME SET IN ROADWAY LOCATION
N.T.S
NOTE: STANDARD DETAIL
1. WHERE M.H. IS IN ROAD SHOULDER AND ROAD Metropolitan Sewerage District
DOES NOT HAVE CURB AND GUTTER, DO NOT USE p g
ANCHOR BOLTS IN FRAME. of Buncombe County, North Carolina
2. "MSD OF BUNCOMBE COUNTY" TO APPEAR ON STANDARD MANHOLE
COVERS ONLY WHEN MAINTAINED BY SD THE SEWER SYSTEM IS TO BE FRAME & COVER
DATE APPROVED: MARCH 2O17 2.11 - 08.1
PLAN VIEW
N.T.S.
A
A
TRENCH
BACKFILL
SECTION A -A
N.T.S
UNDISTURBED EARTH
TRENCH WALL
I
lV
f� FLOW
NOTES:
1. CONCRETE SHALL BE 3000 P.S.I.
2. REINFORCING SHALL BE No.4 BARS @
12" E.W.
3. REINFORCING BARS SHALL BE
FORMED AND TIED TOGETHER.
4. ANCHOR SPACING SHALL BE:
SLOPE SPACING
20-35% 36 FT,
35-50% 24 FT.
> 50% 16 FT.
5. DUCTILE IRON PIPE MUST BE USED
WHEN SLOPES ARE 20% OR GREATER
6. KEYING PIPES IS REQUIRED FOR ALL
DIP INSTALLED @ 20% OR GREATER
GRADE.
PENTA HEADED S.S. CAM LOCK
- 5/8" 0 LIFTING BAR (TYP.)
ONE PIECE RUBBER
GASKET (REQUIRED
WHEN SUBJECT TO COVER G
INUNDATION) N.T.S 2�
PENTA HEADED S.S. CAM LOCK (IF REQUIRED)
5/8"0 LIFTING BAR (TYP.)
CONCRETE ANCHOR BOLTS (IF REQUIRED)
WATERTIGHT RING AND COVER LOCKING
N.T.S.
2'-0"_I
I'
MATCH FRAME TO EXISTING GRADE FOR
z0
LANDSCAPED LOCATIONS
U
r°
U �
U 0
z
Z <
2" x 1 /4"
BUTYL
CONCRETE ANCHOR
BOLT FOUR (4) MIN.
PRECAST MANHOLE
FRAME SET IN NON -ROADWAY LOCATION
N.T.S.
2" MAX.
MACHINED SURFACES
PAVEMENT
GROUT
2" x 1 /4"
BRICK -GROUT 12 IMAX. BUTYL
ALL JOINTS 1
3 BRICKS (MAX.) — J
PRECAST MANHOLE
FRAME SET IN ROADWAY LOCATION
NOTE:
1. WATERTIGHT FRAME & COVER REQUIRED IN
FLOODPLAIN OR WHEN SPECIFIED ON PLANS
2. "MSD OF BUNCOMBE COUNTY" TO APPEAR ON
COVERS ONLY WHEN THE SEWER SYSTEM IS
TO BE MAINTAINED BY MSD
USE PRECAST CONCRETE STORM
DRAIN STRUCTURE- SIZE SHALL
BE DETERMINED BY STORM PIPE
SIZE (MFR. RECOMMENDATIONS)
AND SEAL ANNULUS WITH NON -
SHRINK GROUT
IEXISTING STORN
CONFLICT WITH I
SANITARY SEWEI
IFILL ANNULUS W
NON -SHRINK GR1
SECTIONAL PLAN
SECTION F-F
N.T.S
PRECAST
CONCRETE
GRADE RING
STANDARD DETAIL
Metropolitan Sewerage District
of Buncombe County, North Carolina
WATERTIGHT MANHOLE
FRAME & COVER
DATE APPROVED: MARCH 2O17 2.11 - 08.2
REMOVE PORTION OF
CONFLICTING STORM
DRAIN PIPING AS SHOWN
DUCTILE IRON SANITARY
SEWER -CENTER LENGTH
OF PIPE SUCH THAT THE
BELL AND SPIGOT ENDS
ARE EQUIDISTANT FROM
CENTERLINE OF STORM PIPE
-OVER
WER"
E IRON SANITARY
=TAIL PROVIDED IN
CONFLICT WITH AN
EXISTING STORM SEWER IS
ENCOUNTERED
EXISTING AND
FINISH GRADE BREAKDOWN AND REMOVE PORTION
OF MANHOLE TO A POINT 3'-0"
BELOW FINISH GRADE
o
Z�
FILL AS SPECIFIED
\ \ UNDER"TRENCH
1 l BACKFILL"
I I I
MANHOLE TO BE
ABANDONED
WATERTIGHT
MASONARY PLL
—� IPE DIA. + 1'-0
TYPICAL
FILL WITH MATERIAL THAT
IS NON -COMPRESSIBLE
WATERTIGHT
MASONRY PLUG
MANHOLE ABANDONMENT PROCEDURE
(SEE SECTION 2.21 OF SPECIFICATIONS FOR ADD'L INFORMATION)
MANHOLES WHICH ARE TO BE ABANDONED WILL FIRST HAVE BOTH INFLUENT AND EFFLUENT LINES
PLUGGED INSIDE THE MANHOLE WITH WATERTIGHT MASONRY. THE MINIMUM LENGTH OF WATERTIGHT
MASONRY PLUGS WILL BE THE DIAMETER OF THE ABANDONED PIPE PLUS ONE FOOT. THE MANHOLE WILL
THEN BE FILLED WITH INCOMPRESSIBLE MATERIAL (CRUSHED STONE OR AS APPROVED), TO A POINT
THREE FEET (T-0") BELOW THE FINISH GRADE. THE REMAINDER OF THE MANHOLE SHALL BE BROKEN
DOWN AND REMOVED. THEN THE EXCAVATION SHALL BE BACKFILLED TO FINISH GRADE AS SPECIFIED
UNDER TRENCH BACKFILL.
SEWERLINE AND
PERMANENT EASEMENT
NORMAL WATER
FLOW
/
NORMAL HIGH /
RIP -RAP ZONE
WATER / /
\\
/
BOULDER
�
r
BOULDER ON HIGH
/
/
+
\ +. ++++i++ �4+th /
+ + ++\``++
WATER MARK (TYP)
+y
a +
++ ++ + TOP OF CHANNEL
+ + +
GRASS ONLY MIN. 5'
++ + + +
�\4 + +
+
++
\ +,+
++ + +
++
EACH WAY FROM
+
++ ++
CENTERLINE OF PIPE /
/
'++`+++ + ++
+ /
i++++++ +++
+i 44+
/
+ ++ + + +
+ +++4 + ++i++ + /
++++ + + + +
++++y+ + N STREAMBANK
RESTORATION
LIMITS (TYP)
/ NOTE: SEE DETAIL BELOW
FOR ADDITIONAL INFORMATION
RESLOPE EXISTING STREAM BANK
TO ORIGINAL CONTOURS AND
BOULDER
SHRUB &BUSH ZONE* STABILIZE WITH NATIVE PLANT
(5' O.C.) MATERIALS*
GRASS ZONE (W/ WILLOW TWIGS)
6" AB. NORMAL W.L. VARIES 6"-12"
RIP -RAP ZONE —
FILTER FABRIC (MIRAFI EXTEND RIPRAP A MINIMUM
140N OR EQUAL) OF 12" BELOW STREAM BED
*SERICEA LESPEDEZA, SILKY DOGWOOD (CORNUS AMONUM), SILKY WILLOW
(SALIX SERICEA), HAZEL ALDER (ALMUS SERRULATA) AND ELDERBERRY
(SAMBUEUS CANADENSIS)
STREAMBANK RESTORATION DETAIL
N.T.S.
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