WQ0024776_Sewer Extension_20060110

ST-TRACK APPLICATION for GRAVITY SEWERS, PUMP 5'rAriv17115, AINU rvxc:>'; MAMA J
_ . _. _ ..-- -- - _-- --._.
USE THE TAB KEY TO MOVE FROM FIELD TO FIELDI Application Number:
(to be completed by DWWV&) T / /
1. Owner.
1a_ Town of Pembroke
Full Legal Name (company, municipality, HOA, utility, etc_)
Z 1 b. McDuffie Cummings Town Manager
0 Signing Official Name and Title (Please review 15A NCAC 2H .0206(b) for authorized signing officials!)
_ ......_... ...... - ...._ ..... _ .... ---- --- .. _..._.
1 c. The legal entity who will own this system is:
❑ Individual ❑ Federal ® Municipality 0 State/Count . .Private.Partnership.❑ Corporation ❑Other
1d. 100 S. Union Chapel Road J1e. Pembroke
0
Street Address
Z
1f.
North Carolina
Z
State ._.
-- ---._..._.._.... -..... _....... -...... _..... _...... .... ... - ....... .....
0
1 h.
910/521-9758 31i. 910/621-0472
~
a.
Telephone € Facsimile
..... -.......
U
2.
Project (Facility) Information
J
CL
2a.
COMtech Road Sewer Extension
CL
Brief Project Name (permit will refer to this name)
County Where Project is Located
Q 3. Contact Person:
Q 3a. Bill Lester Jr. P.E. — Hobbs, Upchurch & Associates, P.A.
Name and Affiliation of Someone Who Can Answer Questions About this Application
3b. 910/692-5616 13c. [e-mail] I
Phone Number E-mail
1. Project is ® New ❑ Modification (of an existing permit) If Modification, Permit No.:
— -- --- --- __.................. .... __._._... ---
cnr mnetificatinn_a_ attach a senarate sheet clearty exDlaininct the reason for the modification (i.e. adding another I
FJ4HOBBS, UPCHURCH & ASSOCIATES, P.A. $MT �44 4
CONSULTING ENGINEERS Branch Banking and Trust Company
P.O. BOX 1737, 300 S.W. BROAD STREET 66-112i531
SOUTHERN PINES, NC 28388
[phone]
Exactly Four hundred and no / 100 Dollars
PAY
TO THE
ORDER N . C . DENR
OF:
.v_NIC
1/4/2005
OID AFTER 90 DAYS
AUTHORIZED SIGNATURE

® Office ❑ Other (specify):
7. Volume of wastewater to be permitted in this project: 20,000 gallons per day
8. If the permitted flow is zero, indicate why:
❑ Interceptor Line - Flow will be permitted is subsequent permits that connect to this line
❑ Flow has already been allocated in Permit No.
❑ Rehabilitation or replacement of existing sewer with no new flow expected
AMOUNT
$400.00
FTA 02/03 - Rev. 2 04/04

FAST -TRACK APPLICATION for GRAVITY SEWERS, PUMP STATIONS, AND FORCE MAINS PAGE 1
DENR—FRO
State of North Carolina
JAN 10 Department of Environment and Natural Resources
Division of Water Quality
DWO FAST -TRACK APPLICATION
for GRAVITY SEWERS, PUMP STATIONS, AND FORCE MAINS
(Pressure sewers systems are not to be included as part of this application package)
INSTRUCTIONS: Indicate that you have included the following list of required application package items by checking the
space provided next to each item. Failure to submit all required items will lead to your application being returned as
incomplete or additional processing and review time. This form may be photocopied for use as an original.
® I. Application Form - Submit one original and one copy of the completed and appropriately executed application
form. Any changes to this form will result in the application being returned. The Division of Water Quality
(Division) will only accept application packages that have been fully completed with all applicable items
addressed. You do not need to submit detailed plans and specifications unless you respond NO to Item B(12)
® II. Application Fee - Submit a check in the amount of $400 made payable to: North Carolina Department of
Environment and Natural Resources (NCDENR).
❑ III. Certificates of Public Convenience and Necessity — If the application is being submitted in the name of a
privately -owned public utility, submit two copies of the Certificate of Public Convenience and Necessity (CPCN)
which demonstrates that the public utility is authorized to hold the utility franchise for the area to be served by the
sewer extension. If a CPCN has not been issued, provide two copies of a letter from the North Carolina Utilities
Commission's Public Staff that states that an application for a franchise has been received, that the service area
is contiguous to an existing franchised area, and/or that franchise approval is expected. The project name in the
CPCN or letter must match that provided in Item A(2a) of this application.
❑ IV. Operational Agreements — Submit one original and two copies of a properly executed operational agreement if
the sewer extension is permitted by a private applicant and will be serving residential or commercial lots (e.g.,
houses, condominiums, townhomes, outparcels, etc.) that will be sold to another entity. If the applicant is a
homeowners' association, use Form HOA 02/03. If the applicant is a developer, use Form DEV 02/03. EVEN IF
THE PROJECT WILL BE TURNED OVER TO A MUNICIPALITY, FORM DEV 02/03 IS REQUIRED.
❑ V. Flow Acceptance Letters — If the owner of the downstream sewers and/or WWTF is different from the applicant,
submit two copies of a flow acceptance letter from the owner of the downstream sewers and WWTF, if different.
Flow acceptance letters must contain the following minimum information: applicant and project name, amount of
flow accepted, and name and permit number of the receiving sewers/WWTF. The flow acceptance must not
expire prior to permit issuance and must be dated less than a year prior to the application date.
Intergovernmental agreements or other contracts will not be accepted in lieu of a project -specific flow acceptance
letter.
® VI. Map — Submit an 8.5-inch by 11-inch COLOR copy of the portion of a 7.5-minute USGS Topographic Map along
with this form. The map should identify the entire project area location as well as the closest downslope surface
waters as clearly as possible. Each map portion must be labeled with the map name and number, the identified
location of the sewer line and pump stations, and be of clear and reproducible quality. For instance, if the project
involves 4 miles of interceptor sewer that traverses over or near several different waterbodies (or counties,
basins, etc.), the map should have location ID's shown for each different waterbody (where the sewer line is within
100 feet of such waterbody - see Instruction VII). This location ID is self chosen and used to cross reference the
location in Section C of the permit application.
❑ VII. Stream Classifications — Section C
• If any portion of the project is within 100 feet of any down slope surface water, Section C must be completed
for the pertinent sections.
• If the entire project area is a minimum of 100 feet away from any down slope surface waters BUT there is a
pump station involved where a history of power outage is to be used to provide adequate design storage
instead of dual feed or permanent or portable generator, Section C must be completed to demonstrate that
the closest down slope surface water is Class C (see 15A NCAC 2H .0219(h)(3)(D)).
• Use the guidance document entitled, "Determining Watershed Classifications for Form FTA 02/03 (Fast -Track
Sewer Systems)" available from http://h2o.enr.state.nc.us/ndpu or by contacting the appropriate regional
office.
FTA 02/03 - Rev. 2 04/04

FAST -TRACK APPLICATION for GRAVITY SEWERS, PUMP STATIONS, AND FORCE MAINS PAGE 2
❑ Vill. Environmental Assessments — If this project is subject to an Environmental Assessment (EA) [15A NCAC
01C .0500], this application can not be used. Send the project application on Form PSFMGSA 10/99 to the
Non -Discharge Permitting Unit, 1617 Mail Service Center, Raleigh, NC 27699-1617. Applications can not be
processed until a Finding of No Significant Impact (FONSI) or Environmental Impact Statement (EIS) has been
issued. A copy is to be submitted with that permit application.
® IX. Certifications — Section D
The application must be certified by both the applicant and a North Carolina Registered Professional Engineer
(PE). The applicant signature must match the signing official listed in Item A(1b). The PE should NOT certify the
application if he/she is unfamiliar with 15A NCAC 2H .0200, the Gravity Sewer Minimum Design Criteria (most
recent version) and the Minimum Design Criteria for the Fast -Track Permitting of Pump Stations and Force Mains
(most recent version), as applicable to the project. Certification by a PE who is unfamiliar with these documents
is subject to NC Board referral.
THE COMPLETED FTA 02/03 APPLICATION PACKAGE, INCLUDING ALL SUPPORTING DOCUMENTS AND $400
FEE, SHOULD BE SENT TO THE APPROPRIATE REGIONAL OFmr-F
REGIONAL OFFICE
ADDRESS
COUNTIES SERVED
Asheville Regional Office
Avery, Buncombe, Burke, Caldwell,
2090 US Highway 70
Cherokee, Clay, Graham, Haywood,
Swannanoa, North Carolina 28778
Henderson, Jackson, Macon,
[phone]
Madison, McDowell, Mitchell, Polk,
[phone] Fax
Rutherford, Swain, Transylvania,
Yancey
Fayetteville Regional Office
225 Green Street Suite 714
Fayetteville, North Carolina 28301
, Anson, BladenCumberland, Harnett,
[phone]
Hoke, Mont
Montgomery, Moore, Robeson,
[phone] Fax
Richmond, Sampson, Scotland
Mooresville Regional Office
919 N Main Street
Mooresville, North Carolina 28115
Alexander, Cabarrus, Catawba,.
[phone]
Cleveland, Gaston, Iredell, Lincoln,
[phone] Fax
Mecklenburg, Rowan, Stanly, Union
Raleigh Regional Office
1628 Mail Service Center
Chatham, Durham, Ed ec
g ombe,
Raleigh, North Carolina 27699-1628
Franklin, Granville, Halifax, Johnston,
[phone]
Lee, Nash, Northampton, Orange,
[phone] Fax
Person, Vance, Wake, Warren,
Wilson
Washington Regional Office
Beaufort, Bertie, Camden, Chowan,
943 Washington Square Mall
Craven, Currituck, Dare, Gates,
Washington, North Carolina 27889
Greene, Hertford, Hyde, Jones,
[phone]
Lenoir, Martin, Pamlico, Pasquotank,
[phone] Fax
Perquimans, Pitt, Tyrrell, Washington,
Wilmington Regional Office
Wayne
127 Cardinal Drive Extension
Wilmington, North Carolina 28405
Brunswick, Carteret, Columbus,
Duplin, New Hanover, Onslow,
[phone]
[phone] Fax
Pender
Winston-Salem Regional Office
585 Waughtown Street
Alamance, Alleghany, Ashe, Caswell,
Winston-Salem, North Carolina 27107
Davidson, Davie, Forsyth, Guilford,
[phone]
Rockingham, Randolph, Stokes,
[phone] Fax
Surry, Watauga, Wilkes, Yadkin
For more information, visit our web site at http://h2o.enr.state.nc.us/ndpu/
FTA 02/03 - Rev. 2 04/04

FAST -TRACK APPLICATION for GRAVITY SEWERS, PUMP STATIONS, AND FORCE MAINS PAGE 3
USE THE TAB KEY TO MOVE FROM FIELD TO FIELD! Application Number.���]/�� -7--�
(to be completed by Number.
/ aQ 0 0� / / 4
1. Owner:
la. Town of Pembroke
Full Legal Name (company, municipality, HOA, utility, etc.)
Z
1 b. McDuffie Cummings, Town Manager
Q
Signing Official Name and Title (Please review 15A NCAC 2H .0206(b) for authorized signing officials!)
1 c. The legal entity who will own this system is
❑ Individual ❑ Federal ® Municipality ❑ State/County ❑ Private Partnership El Corporation ❑Other.( pacify
Q
1d. 100 S. Union Chapel Road 1e. Pembroke
LL
Street Address _.__.._ _....... _ ............ _. _ ... __....... .. _..... _._......... _.............. . city
_
... .......
1f. North Carolina 1g. 28372-0866
Z
State
_... z�P. Code
Q_
....... ------- -- .._. .. _. _.. - -..._ ........... ----- ...._ ..........
H
1 h. 910/521-9758 1 i. 910/521-0472 1 j.
Q
Telephone Facsimile E-mail
_...... -...—�--
-:
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--._.___.....—_..._-._..._..._._....._._................._.__ .—........ - - .._.__._....-........
2. Project (Facility) Info rmation
"I
a
2a. COMtech Road Sewer Extension 2b. Roberson
a
Brief Project Name (permit will refer to this name) County Where Project is Located
-- .._..._._..._ .......... ............. ._ _
3. Contact Person:
- _- -
Q
...__._ . _.......... _.. .
3a. Bill Lester, Jr., P.E. - Hobbs, Upchurch & Associates, P.A.
Name and Affiliation of Someone Who Can Answer Questions About this Application
--- ._._._
....... _... -- .._..—_..... ....... _.._.
3b. 910/692-5616 3c. blester hobbsu church.com
_Phone Number E-mail
1. Project is ® New ❑ Modification (of an existing permit) If Modification, Permit No.:
For modifications, attach a separate sheet clearly explaining the reason for the modification (i.e. adding another
phase, changing line size/length, etc.). Only include the modified information in this permit application - do not
duplicate project information in B(7) and B(10-11) that has already been included in the original permit.
2. Owner is ® Public (skip to Item B(3)) ❑ Private (go to Item 2(a))
2a. If private, applicant will be: 2b. If sold, facilities owned by a (must choose one
Z
❑ Retaining Ownership (i.e. store, church, single office, etc.) or ❑ Public Utility (Instruction III)
❑ Leasing units (lots, townhomes, etc. - skip to Item B(3)) El Homeowner Assoc./Developer (Instruction IV) I
❑ Selling
_�
units (lots, townhomes, etc. - go to Item B(2b))
H
-_�—. .._ .._ _.. .
3. Town of Pembroke --- - ...........
Owner of Wastewater Treatment Facility (WWTF) Treating Wastewater From This Project
Q
4a. Town of Pembroke Wastewater Treatment Facility 4b. NCO027103
LL
Name of WWTF WWTF Permit No.
-
Z
- -- -
5a. Town of Pembroke b. 12-inch i5c. W00021443 - -
_Owner of Downstream Sewer Receiving Sewer Size Permit Number of Downstream Sewer (if known)
_......— -- —.. _.
.--- = ..__._...__...._..__._ ........... -........._......._.............__............._...._.__._.._....._.. ... _....._.. ------
6. The origin of this wastewater is (check all that apply):
LJ.I
El Residential Subdivision ❑ Car Wash
a
❑ Apartments/Condominiums ❑ Institution o
El Mobile Home Park 100 /o Domestic/Commercial
❑ Hospital —
m
❑ School ❑ Church % Industrial
❑ Restaurant ❑ Nursing Home
o
® Office El Other (specify): /o Other (specify):
7. Volume of wastewater to be permitted in this project: 20,000 gallons per day
8. If the permitted flow is zero, indicate why: — —
❑ interceptor Line - Flow will be permitted is subsequent permits that connect to this line
❑ Flow has already been allocated in Permit No.
❑ Rehabilitation or replacement of existing sewer with no new flow expected
FTA 02/03 - Rev. 2 04/04

FAST -TRACK' APPLICATION for GRAVITY SEWERS, PUMP STATIONS, AND FORCE MAINS PAGE 4
9. Provide the wastewater flow calculations used in determining the permitted flow in accordance with 15A NCAC 2H
.0219(I) for Item B(7) or the design flow for line or pump station sizing if zero flow in the space below. Values other than
that in 15A NCAC 2H .0219(I)(1-2) must be approved prior to submittal of this application. Submit a separate request to
the Division of Water Quality, Non -Discharge Permitting Unit, 1617 Mail Service Center, Raleigh, NC 27699-1617 in
accordance with 15A NCAC 2H .0219(I)(3).
Business/Commercial Development 40 acres @ 500 gpd / acre = 20,000 gpd
10. Summary of Sewer Lines to be Permitted (attach additional sheets if necessary)
Size (inches) — Length (feet) Gravity or Force Main
(use the pull down menu)
12 4,275 Gravity Sewer
l j
--.......... ........... _........_ .
Z --
Z--_..._........_._._._.._..--.. - -._... �_._..._.__.__........
............................ _.......... _..... _......... _...........
_.
Z-_... _ ..._.
ENTER TOTAL LINE LENGTH IN MILES
F" E11. Summary of Pump Stations to be Permitted attach addition
Q ( al sheets as necessary)
Location ID Power Reliability Option
(self chosen - as shown on Design Flow Operational Point (1- dual line feed; 2- permanent generator MATS; 3-
LL plans for cross-reference) _ .(MGD) —GPM @ TDH portable generatorw/telemetry; 4-wet well storage)
N/A
LLJ
12. Does the sewer system comply with the Minimum besign Criteria for the Fast Track Permitting of Pump Stations a1. nd Force;
m Mains (latest version), the Gravity Sewer Minimum Design Criteria (latest version) and 15A NCAC 2H .0200 as applicable?
® Yes ❑ No If no, please reference the pertinent minimum design criteria or regulation and indicate why a
variance is requested. -
SUBMIT TWO COPIES OF PLANS, SPECIFICATIONS OR CALCULATIONS PERTINENT TO THE VARIANCE WITH YOUR APPLICATION
13. Have the following permits/certifications been submitted for approval?
Wetland/Stream Crossings - General Permit or 401 Certification? ❑ Yes ❑ No ® N/A
Sedimentation and Erosion Control Plan?
❑ Yes ® No ❑ N/A
Stormwater? ❑ Yes ® No ❑ N/A
FTA 02/03 - Rev. 2 04/04

FAST -TRACK APPLICATION for GRAVITY SEWERS, PUMP STATIONS, AND FORCE MAINS PAGE 5
1. Use the Division's guidance document entitled, "DETERMINING STREAM CLASSIFICATIONS FOR FORM FTA 02103
(FAST -TRACK SEWER SYSTEMS)" to collect and record the stream classification data below (attach additional sheets as
necessary). This document is available from our web site or by contacting the appropriate Division of Water Quality
regional office (see instructions for addresses) OR indicate the following:
........ __ _.._ ........_ __ ........._........__ _
® A Stream Classification is not needed because all parts of the project are at least 100 feet away from any down slope
waterbody; AND,
® A Stream Classification is not needed because the design does not depend on wet well storage as a power reliability
option for any pump station near a Class C down slope waterbody.
........ ...........
Location ID on Map
(self chosen - as shown on Name of Waterbody Stream Waterbody
map for cross-reference) Waterbody County River Basin Index Classification _
.............. _
See Attached Lumber River
Lumber 14 - (7) WS-Iv
....... _. _._......... _ ......
___...... ...... _....... .......... _... ... __............ _____.............. ____..... _... _._ .._._............ .......... ........
Submit the 8.5" x 11" COLOR topographic map as required in Instruction VI _
regardless of whether a classification is provided!
1. Applicant's Certification:
1, MCDuffie Cummings, Town Manager, attest that this application for COMtech Road Sewer Extension has been
reviewed by me and is accurate and complete to the best of my knowledge. I understand that if all required parts of this
application are not completed and that if all required supporting documentation and attachments are not included, this
application package is subject to being returned as incomplete. Note: In accordance with North Carolina General
Statutes 143-215.6A and 143-215.6B, any person who knowingly makes any false statement, representation, or
certification in any application shall be ilty of a Class 2 misdemeanor which may include a fine not to exceed $10,000
as well as civil penalties up to $2 per violation.
r--..._....
'1 a.
Signing Off I ignatur Date
U) 2. Profess' al ngineer's Certification:
OI Bill Lester, Jr, P.E. attest that this application for COMtech Road Sewer Extension has been reviewed by me and is
accurate, complete and consistent with the information in the engineering plans, calculations, and all other supporting
documentation to the best of my knowledge. I further attest that to the best of my knowledge the proposed design has
Ubeen prepared in accordance with the applicable regulations, Gravity Sewer Minimum Design Criteria for Gravity Sewers
_ adopted February 12, 1996, and the Minimum Design Criteria for the Fast -Track Permitting of Pump Stations and Force
LL Mains adopted June 1, 2000 and the watershed classification in accordance with Division guidance. Although certain
portions of this submittal package may have been developed by other professionals, inclusion of these materials under my
signature and seal signifies that I have reviewed this material and have judged it to be consistent with the proposed design.
W Note: In accordance with NC General Statutes 143-215.6A and 143-215.6B, any person who knowingly makes any false
0 statement, representation, or certification in any application shall be guilty of a Class 2 misdemeanor which may include a
fine not to exceed $10,000 as well as civil penalties up to $25,000 per violation.
2a. Bill Lester, Jr., P.E.
Professional Engineer Name ,,t+t� y C A,? +' +
2b. Hobbs, Upchurch & Associates, P.A.
Engineering Firm f'c oy.�
2c. PO Box 1737 _.. SE Al
Address 17651
2d. Southern Pines 2e. NC 2f. 27376p i
City State Zip •°fd;�,('t���,I•
......... ............... ....... _.
2g. 910/692-5616 2h. 910/692-4795 2i. [e-mail]
Telephone Facsimile E-mail ur Date I
FTA 02/03 - Rev. 2 04/04

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Hobbs, Upchurch & Associates, P.A.
Consulting Engineers
300 S.W. Broad Street - Post Office Box 1737 • Southern Pines, NC 28388
January 6, 2005
JAN i 0 2005
Mr. Mike Lawyer DWQ
NCDENR — Fayetteville Regional Office
Division of Water Quality
225 Green Street, Suite 714
Systel Building
Fayetteville, North Carolina 28301
Re: COMtech Road Sewer Extension
Town of Pembroke, Robeson County, NC
HUA No. PM0101.320
Dear Mike:
Please find enclosed three (3) copies of the Fast -Track Application for Gravity Sewers,
Pump Stations, and Force Mains, Watershed Classification Attachment, and a check for
the permit fee in the amount of $400.00 on the above referenced project.
If you should have any additional questions regarding this project, please do not hesitate
to contact this office.
Sincerely,
HOBBS, UPCHURCH AND ASSOCIATES, P.A.
XO 1
Bill Lester, J ., P.E.
Governmental Division Manager
Southern Pines, NC • Telephone [phone] • Fax [phone] • e-mail: [e-mail]
Myrtle Beach - Nags Head - Charlotte - Beaufort

Pembroke Comtech Sewbr Extension
Subject: Pembroke Comtech Sewer Extension
From: "Bill Lester" <[e-mail]>
Date: Mon, 17 Jan 2005 13:12:55 -0500
To: <mike. lawyer@ncmail. net>
Mike
I found the reference I used on my previous projects and have attached it to this
email. It states a range of 800-1500 gpd for anticipated future flowrates for
commercial development. During another project submittal to the W-S Regional Office,
I think it was Abner Braddy who said he felt more comfortable approving the lower
number only, then increasing the flow as needed by modification in the future. This
seems to make sense because it is a future flow, not a known entitiy. For Pembroke,
in the case of Comtech, they will be a technology type development, and as such .I
chose to err on the lesser side of my estimation of flow. If things change in the
furure of the development, they should seek additional flow by modification. The
20,000 gpd requested should serve this area unless they seek something different to
locate to the park - other than what I've been told.
Let me know if this is OK or if I need to get you something different. Thanks for
your help.
Bill Lester
<<WW Flowrates.pdf>>
Content -Description: WW Flowrates.pdf
IWW Flowrates.pdf l Content -Type: application/octet-stream
Content -Encoding: base64
1 of 1 1/18/2005 8:24 AM

µ,A$TEWATEfc. L.N(z%1NEEKINQR ) third C4ittor\
-
26 WASTEWATER FLOWRATES M-L C_04 a"d Ga, V
of water, the variation from year to year in the ratio of wastewater to water supply
will not be great,
2-3 WASTEWATER SOURCES
AND FLOWRATES
Data that can be used to estimate average wastewater flowrates from various domestic
• and industrial sources and the infiltration/inflow contribution are presented in this
section. Variations in the flowrates that must be established before collection systems
and treatment facilities are designed are also discussed.
Domestic Wastewater Sources
and Flowrates
The principal sources of domestic wastewater in a community are the residential
areas and commercial districts. Other important sources include institutional and
recreational facilities. For existing developments, flowrate data should be obtained
,by direct measurement. For areas being developed, methods of estimating flowrates
are considered in the following discussion. Wastewater flowrates for small systems
(systems with 1000 people or less) may differ significantly from larger systems and
are discussed in Chap. 14.
Residential Areas. For many residential areas, wastewater flowrates are commonly
determined on the basis of population density and the average per capita contribution
of wastewater. Data on ranges and typical flowrate values are given in Table 2-9. For
large residential areas, it is often advisable to develop flowrates on the basis of land -
use areas and anticipated population densities. Where possible, these rates should be
based on actual flow data from selected similar residential areas, preferably in the
same locale.
In the past, the preparation of population projections for use in estimating
wastewater flowrates was often the responsibility of the engineer, but today such
data are usually available from local, regional, and state planning agencies. If the
data are not available and population projections have to be prepared, Ref. 5 may be
consulted for population forecasting methodology.
Commercial Districts. Commercial wastewater flowrates are generally expressed
in gal/acre • d (m3/ha d) and are based on existing or anticipated future development
or comparative data. Average unit-flowrate allowances for commercial developments
normally range from 800 to 1500 al/acre - d (7.5 to 14 m3/ha • d). Because unit
flowrates can vary widely for commercial facilities, every effort should be made to
obtain records from similar facilities. Estimates for certain commercial sources may
also be made from the data in Table 2-10.
Institutional Facilities. Some typical flowrates from institutional facilities, essen-
tially domestic in nature, are shown in Table 2-11. Again, it is stressed that flowrates
2-3 WASTE%
TABLE 2-9
Typical wastewater flowrates from
residential sourcesa
Source
Unit
Flow, gal/unit • d
Range Typical
Apartment:
High-rise
Person
35-75
50
Low-rise
Person
50-80
65
Hotel
Guest
30-55
45
Individual residence:
Typical home
Person
45-90
70
Better home
Person
60-100
80
Luxury home
Person
75-150
95
Older home
Person
30-60
45
Summer cottage
Person
25-50
40
Motel:
With kitchen
Unit
90-180
100
Without kitchen
Unit
75-150
95
Trailer park
Person
30-50
40
Adapted in part from Ref. 7
Note: gal x 3,7854 = L
vary with the region, climate, and type of facility. The actua' records of institutions
are the best sources of flow data for design purposes.
Recreational Facilities. Wastewater flowrates from many recreational facilities are
highly seasonal. Typical data on wastewater flowrates from recreational facilities are
presented in Table 2-12.
Sources and Rates
of Industrial (Nondomestic) Wastewater Flows
Nondomestic wastewater flowrates from industrial sources vary with the type and size
of the facility, the degree of water reuse., and the onsite wastewater treatment methods,
if any. Extremely high peak flowrates may be reduced by the use of detention tanks
and equalization basins. Typical design values for estimating the flows from industrial
areas that have no or little wet -process type industries are 1000 to 1500 gal/acre • d
(9 to 14 m3/ha • d) for light industrial developments and 1500 to 3000 gal/acre - d (14
to 28 m3/ha • d) for medium industrial developments. Alternatively, for estimating
industrial flowrates where the nature of the industry is known, data such as those
reported in Table 2-6 can be used. For industries without internal recycling or reuse
programs, it can be assumed that about 85 to 95 percent of the water used in the
various operations and processes will become wastewater. For large industries with
internal water -reuse programs, separate estimates must be made. Average domestic