WQ0045058_Application_20240111

„a STATE i
. ,
ROY COOPER . ii �y4
Governor
ELIZABETH S.BISER ` /
. v, n,,>d , 4-
Secretary n Q ”-''
RICHARD E.ROGERS,JR. NORTH CAROLINA
Director Environmental Quality
January 11, 2024
Brunswick County
Attn: William L. Pinnix, P.E.
PO Box 249
Bolivia, NC 28422-0249
pp
Subject: Permit Application
Application No. WQ0045058
Yancey Lane Sewer Extension
Brunswick County
Dear Applicant:
The Water Quality Permitting Section acknowledges receipt of your application for a new Non-discharge permit, including
supporting documentation and your check number 2885 in the amount of$600.00 as payment of the application fee.
These items were received in our offices on January 11, 2024. Your application will be assigned to a permit writer within
the Section's Non-discharge permitting branch. The permit writer will contact you if additional information is required to
complete evaluation of your application. Your timely and direct response to any such request will help to expedite the
review process. Please note that acceptance of the application does not guarantee a NPDES permit will be issued for the
proposed activity. A permit will only be issued following a complete review of the application, concluding the proposed
discharge is allowable per applicable statutes and rules.
Information regarding the status of your renewal application can be found online using the Department of Environmental
Quality's Environmental Application Tracker at:
https://deq.nc.gov/permits-regulations/permit-guidance/environmental-application-tracker
If you have any additional questions about the permit, please contact the primary reviewer of the application using the
links available within the Application Tracker.
rely
Wren Th dford
Administrative Assistant
Water Quality Permitting Section
cc: J.Phillip Norris,P.E.-Norris &Tunstall
ec: WQPS Laserfiche File w/application
r�rp yD. _E Q� J/ North Carolina Department of EnvIronmental Qualhy I DNkbn of Water Resources
Wllmfrgton Regional ice 127 Cardinal Drive Extension I Wllmingtott North Carolina 28405
O.s...+.1fi.r•rw\ / 910.796.7215

NORRIS & TUNSTALL
CONSULTING ENGINEERS P.C.
2602 Iron Gate Dr.Suite 102 1429 Ash-Little River Road
Wilmington,NC 28412 Ash,NC 28420
[phone] [phone]
[phone] Fax [phone] Fax
John S.Tunstall,P.E. J.Phillip Norris,P.E.
T.Jason Clark,P.E. Joseph K.Bland,P.E.
Robbie P.Hennelly,E.I.
January 10, 2024
NC DEQ / DWR
Water Quality Section — PERCS UNIT RECEIVED
512 N. Salisbury St.,
Archdale Bldg. 9th Floor Suite 925 JAN 11 2024
Raleigh, NC 28604
Re: Alternative Sewer Extension Application NCDEQ/DWR/NPDES
Project Name: Yancey Lane Sewer Extension
N&T Project No. 23081
Dear Reviewer,
Enclosed please find a check in the amount of$600.00 (Norris Check#2885) for the processing
fee, and Two (2) copies of the following:
• Brunswick County Availability Letter
• 8 '/2 x 11 color USGS Topographic Maps
• ASEA
• FTSE
• Sewer Narrative
• Calculations
• Specifications
• Set of Plans
NORRIS & TUNSTALL
CONSULTING ENGINEERS, P.C.
ktu.t.'6 Aiti 1
. hillip Norris, P.E.
JPN/ttw
23081 01-10-24 swr-Itr-peres
cc: Jim Hodgin
NCBELS License C-3641

\it a 3o s/
���WocK eo PO BOX 249
COUNTY OF BRUNSWICK $s�'� BOLIVIA,NC 28422
BUILDING I
ENGINEERING SERVICES [phone] Office
4)4. tN. [phone] FAX
January 9, 2024 RECEIVED
JAN 11 2024
J. Phillip Norris, P.E.
Norris&Tunstall Consulting Engineers, P.C.
1429 Ash-Little River Road NCDEQ/DWR/NPDES
Ash, North Carolina C 28420
Re: Yancey Lane Sewer Extension
Dear Mr. Norris,
Our office has reviewed the proposed plans and specifications for the low pressure sewer force
main extension and has determined that this project will meet Brunswick County's minimum
standards and specifications if the project is constructed as designed. Brunswick County has a
sufficient treatment capacity to provide sewer service for this project.
This letter hereby grants authorization for the plan submittal to the North Carolina Department of
Environmental Quality / Division of Water Quality for review and approval. Your signed permit
application and FTSE-10-23 are enclosed. Please send a copy of this letter to the State along
with your plans,specifications,and permit application.
Please do not hesitate to contact our office if you have any questions.
Sincerely,
40/64:-,4
Frederick B. Watkins
Engineering Project Manager
/ba

N1-A- aloe/
COUNTY OF BRUNSWICK '�bw�c° `a� PO BOX 249
$ BOLIVIA,NC 28422
BUILDING I
ENGINEERING SERVICES sa [phone] Office
yti9Ts [phone] FAX
C R
January 9, 2024
J. Phillip Norris, P.E.
Norris &Tunstall Consulting Engineers, P.C.
1429 Ash-Little River Road
Ash, North Carolina C 28420
Re: Yancey Lane Sewer Extension
Dear Mr. Norris,
Our office has reviewed the proposed plans and specifications for the low pressure sewer force
main extension and has determined that this project will meet Brunswick County's minimum
standards and specifications if the project is constructed as designed. Brunswick County has a
sufficient treatment capacity to provide sewer service for this project.
This letter hereby grants authorization for the plan submittal to the North Carolina Department of
Environmental Quality / Division of Water Quality for review and approval. Your signed permit
application and FTSE-10-23 are enclosed. Please send a copy of this letter to the State along
with your plans,specifications,and permit application.
Please do not hesitate to contact our office if you have any questions.
Sincerely,
Frederick B. Watkins
Engineering Project Manager
/ba

State of North Carolina
Department of Environmental Quality
Division of Water Resources
DW R
15A NCAC 02T.0300—ALTERNATIVE SEWER EXTENSION APPLICATION
Division of Water Resources ASEA 10-23&SUPPORTING DOCUMENTATION
Application Number: WQb5 (to be completed by DWR) f. t a3()ck
I. APPLICANT INFORMATION:
1. Applicant's name: Brunswick County (company,municipality,HOA,utility,etc.)
2. Applicant type: ❑Individual ❑Corporation ❑General Partnership ❑Privately-Owned Public Utility
❑Federal ❑ State ❑Municipal ['County
3. Signature authority's name: William L.Pinnix,P.E. per 15A NCAC 02T.0106(b)
Title: Engineering Services Director
P.O.Box 249
4. Applicant's mailing address: 75 Courthouse Drive,Bldg.I
City:Bolivia State: NC Zip:28422_
5. Applicant's contact information:
Phone number:(910)253,.2408 Email Address: [e-mail]
II. PROJECT INFORMATION:
1. Project name: Yancey Lane Sewer Extension
2. Application/Project status: ['Proposed(New Permit) ❑ Existing Permit/Project
If a modification,provide the existing permit number:WQ00 and issued date:
If new construction but part of a master plan,provide the existing permit number:WQ00
3. County where project is located: Brunswick
4. Approximate Coordinates(Decimal Degrees):Latitude: 33.890° Longitude:- 78.475°
III. CONSULTANT INFORMATION:
1. Professional Engineer: J. Phillip Norris, P.E. 11966
License Number:
Firm: Norris&Tunstall Consulting Engineers P.C.
1429 Ash-Little River Rd.NW
Mailing address:
City: Ash State: NC Zip:28420_
Phone number:010)287.5900 Email Address: [e-mail]
IV. WASTEWATER TREATMENT FACILITY(WWTF)INFORMATION:
1. Facility Name: Sea Trail WWTP Permit Number: WQ0012748
Owner Name: Brunswick County
V. RECEIVING DOWNSTREAM SEWER INFORMATION:
1. Permit Number(s): WQ0041805
System Wide Collection System Permit Number(s): WQCS00284
Owner Name(s): Brunswick County
FORM:ASEA 10-23 Page 1 of 5

VI. GENERAL REQUIREMENTS
1. If the Applicant is a Privately-Owned Public Utility,has a Certificate of Public Convenience and Necessity been submitted?
❑Yes ❑No L N/A
2. If the Applicant is a Developer of lots to be sold,has a Developer's Operational Agreement(FORM:DEV)been submitted?
❑Yes ❑No ®N/A
3. If the Applicant is a Home/Property Owners'Association,has an Operational Agreement(FORM:HOA)been submitted?
❑Yes ❑No ZN/A
4. Origin of wastewater:(check all that apply):
Residential Owned ❑Retail(stores,centers,malls) ❑Car Wash
▪Residential Leased ❑Retail with food preparation/service ❑Hotel and/or Motels
❑School/preschool/day care ❑Medical/dental/veterinary facilities ❑ Swimming Pool/Clubhouse
❑Food and drink facilities ❑Church ❑Swimming Pool/Filter Backwash
❑Businesses/offices/factories ❑Nursing Home ❑Other(Explain in Attachment)
5. Is/was an Environmental Assessment required under 15A NCAC 01C? ❑Yes ❑No
If yes,submit the appropriate final environmental document(FONSI,ROD,etc.)
6. Nature of wastewater: 100 %Domestic/Commercial 0 %Other waste—specify:
0 %Industrial(See 15A NCAC 02T.0103(20))
7. Wastewater generated by project: 1,050GPD(per 15A NCAC 02T.0114 and G.S. 143-215.1)
Has a flow reduction been approved under 15A NCAC 02T.0114(f)? [E Yes ❑No
If yes,provide a copy of approval
8. Summarize wastewater generated by project:
Establishment Type Daily Design Flow° No.of Units Flow
3 bedroom single family lot 210 gal/ lot 5 1,050 GPD
gal/ GPD
gal/ GPD
gal/ GPD
gal/ GPD
gal/ GPD
Total 1,050 GPD
a See 15A NCAC 02T.0114(6).(d). (e)(1)and (e)(2)for caveats to wastewater design flow rates(i.e.,minimum flow per
dwelling;proposed unknown non-residential development uses;public access facilities located near high public use areas;
and residential property located south or east of the Atlantic Intracoastal Waterway to be used as vacation rentals as defined
in G.S.42A-4).
b Per 15A NCAC 02T.0114(c),design flow rates for establishments not identified below shall be determined using available
flow data,water using fixtures,occupancy or operation patterns,and other measured data.
FORM:ASEA 10-23 Page 2 of 5

VII. PRESSURE SEWER DESIGN CRITERIA—15A NCAC 02T.0305:
1. Number of simplex pump stations(STEP tanks/effluent pumps,vacuum pits,etc.)provided: 5
2. What is the nearest 100-year flood elevation to the facility? feet mean sea level.
Is any of the proposed project located within the 100-year flood plain?❑Yes No
3. If Yes,are the following items provided per 15A NCAC 02T.0305(e):
Water-tight seals on all station hatches and manholes;and
Control panels vents extend two feet above the100-year flood plain elevation? ❑Yes ❑No [gN/A
If No,what measures are being taken to protect them against flooding?
4. Volume of storage in wet well above pump on elevation: Gallons(include calculations)
5. How power reliability will be provided in accordance with 15A NCAC 02T.0305(h)(D):
El Wet well storage provides 24 hours worth of wastewater storage;or
❑ Wet well storage provides wastewater storage based on power reliability and response times
(See"Policy for Meeting Reliability Requirements")
> Provide 3 years of power history date in the area.
➢ Provide response time to replace a failed pump. This would include travel time,time to replace pump,etc.
➢ Wet well storage would be based on whichever is greater.
All other pump stations meet the reliability requirements of 15A NCAC 02T.0305(h)(1): D Yes ❑No 0 N/A
6. Summarize simplex pump station design elements:
Design Element Plan Sheet Specification
Reference Reference
Emergency Contact Placard or Sticker C8 TS 021.01
Screened Wet Well Vent C8 TS 021.01
Restricted Access Details C8 TS 021.01
Control Panel C8 TS 021.01
High Water Alarms(Audible&Visual) C8 TS 021.01
Valves(Check,Gate,etc) C8 TS 021.01
Air Relief Valves N/A N/A
7. Summarize the pipe length by diameter to be permitted. Lines from a building to the septic or pump tank should be excluded.
(provide attachments if necessary)
Zone From Node To Node Diameter(in) Length(feet) #Pumps in Zone Pump Model
Specified for Zone
J-5 J-8 2" 320 5 ZOGP
8. Air release valve station locations per 15A NCAC 02T.0305(i)(provide attachments if necessary)
Air Release Valve# Station Plan Sheet Reference
FORM:ASEA 10-23 Page 3 of 5

r
VIII. SETBACKS&SEPARATIONS—(02B.0200& 15A NCAC 02T.0305(1)):
1. Does the project comply with all separations found in 15A NCAC 02T.0305(f)&(g) M Yes ❑No
➢ 15A NCAC 02T.0305(f)contains minimum separations that shall be provided for sewer systems:
Setback Parameter* Separation Required
Storm sewers and other utilities not listed below(vertical) 24 inches
Water mains(vertical-water over sewer including in benched trenches) 18 inches
Water mains(horizontal) 10 feet
Reclaimed water lines(vertical-reclaimed over sewer) 18 inches
Reclaimed water lines(horizontal-reclaimed over sewer) 2 feet
**Any private or public water supply source,including any wells,WS-I waters of Class I or
Class II impounded reservoirs used as a source of drinking water 100 feet
**Waters classified WS(except WS-I or WS-V),B,SA,ORW,HQW,or SB from normal
high water(or tide elevation)and wetlands(see item IX.2) 50 feet
**Any other stream,lake,impoundment,or ground water lowering and surface drainage
ditches 10 feet
Any building foundation 5 feet
Any basement 10 feet
Top slope of embankment or cuts of 2 feet or more vertical height 10 feet
Drainage systems and interceptor drains 5 feet
Any swimming pools 10 feet
Final earth grade(vertical) 36 inches
➢ I5A NCAC 02T.0305(0)contains alternatives where separations in 02T.0305(f)cannot be achieved.
➢ **Stream classifications can be identified using the Division's NC Surface Water Classifications webpage
➢ If noncompliance with 02T.0305(f)or(g).see Section IX of this application
2. Does the project comply with separation requirements for wetlands?(50 feet of separation) ❑Yes ❑No [ N/A
➢ See the Division's draft separation requirements for situations where separation cannot be meet
➢ No variance is required if the alternative design criteria specified is utilized in design and construction
➢ As built documents should reference the location of areas effected
3. Does the project comply with setbacks found in the river basin rules per 15A NCAC 02B.0200? ❑Yes E No 2N/A
➢ This would include Trout Buffered Streams per 15A NCAC 2B.0202
4. Does the project require coverage/authorization under a 404 Nationwide or ❑Yes EgNo
individual permits or 401 Water Quality Certifications?
➢ Information can be obtained from the 401 &Buffer Permitting Branch
5. Does project comply with 15A NCAC 02T.0105(c)(6)(additional permits/certifications)? [XYes ❑No
Per 15A NCAC 02T.0105(c)(6),directly related environmental permits or certification applications are being prepared,have
been applied for,or have been obtained. Issuance of this permit is contingent on issuance of dependent permits(erosion and
sedimentation control plans,stormwater management plans,etc.).
6. Does this project include any sewer collection lines that are deemed"high-priority?"
Per 15A NCAC 02T.0402,"high-priority sewer"means"any aerial sewer,sewer contacting surface waters,siphon,or sewer
positioned parallel to streambanks that is subject to erosion that undermines or deteriorates the sewer.
❑Yes ®No
➢ If yes,include an attachment with details for each line,including type(aerial line,size,material,and location).
High priority lines shall be inspected by the permittee or its representative at least once every six-months and inspections
documented per 15A NCAC 02T.0403(a)(5)or the permitee's individual System-Wide Collection permit.
FORM:ASEA 10-23 Page 4 of 5

IX. CERTIFICATIONS:
1. Does the submitted system comply with 15A NCAC 02T,the Minimum Design Criteria for the Permitting of Pump Stations
and Force Mains(latest version),and the Gravity Sewer Minimum Design Criteria(latest version)as applicable?
❑Yes ❑No
If No,complete and submit the Variance/Alternative Design Request application(VADC 10-14)and supporting documents for
review. Approval of the request is required prior to submittal of the Fast Track Application and supporting documents.
2. Professional Engineer's Certification:
I J.Phillip Norris,P.E. attest that this application for
(Professional Engineer's name from Application Item III.1.)
Yancey Lane Sewer Extension
(Facility name from Application Item II.1.)
has been reviewed by me and is accurate,complete and consistent with the information supplied in the plans,specifications,
engineering 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 been prepared in accordance with this application package and its instructions,as
well as all applicable regulations and statutes. Although other professionals may have developed certain portions of this
submittal package, 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.
NOTE—In accordance with General Statutes 143-215.6A and 143-215.6B, any person who knowingly makes any false
statement, representation, or certification in any application package 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. �t�,,,,,,,,,,,,,,,,,"
a.,,A..._..
North Carolina Professional Engineer's seal,signature,and date: ,1 •
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3. Applicant's Certification per 15A NCAC 02T.0106(b): It PIA 1,12
I, William L.Pinnix,P.E. Director of Engineering attest that this application for
(Signature Authority's name&title from Application Item I.3.)
Yancey Lane Sewer Extension
(Facility name from Application Item II.1.)
has been reviewed by me and is accurate and complete to the best of my knowledge. I understand that any discharge of
wastewater from this non-discharge system to surface waters or the land will result in an immediate enforcement action that
may include civil penalties,injunctive relief,and/or criminal prosecution. I will make no claim against the Division of Water
Resources should a condition of this permit be violated. I also understand that if all required parts of this application package
are not completed and that if all required supporting information and attachments are not included,this application package
will be returned to me as incomplete. As the permittee for the pressure sewer system,I understand I will be required to
own,maintain,and operate all individual pump stations.
NOTE — In accordance with General Statutes 143-215.6A and 143-215.6B, any person who knowingly makes any false
statement, rep sentation, or c ication in any application package shall be guilty of a Class 2 misdemeanor,which may
include a fine n t to exce d$1 ,0 0 as well as civil enalties up to$25,000 per violation.
Signature: t\„' . ' Date: ZV
1 EIS/ ,)1/4i5- 71
FORM:ASEA 10-23 Page 5 of 5
1

State of North Carolina
Department of Environmental Quality
1IR Division of Water Resources
15A NCAC 02T.0300—ALTERNATIVE SEWER EXTENSION APPLICATION
Division of Water Resources ASEA 10-23&SUPPORTING DOCUMENTATION
Application Number: (to be completed by DWR) a3 0 ssj
I. APPLICANT INFORMATION:
1. Applicant's name: Brunswick County (company,municipality,HOA,utility,etc.)
2. Applicant type: 0 Individual ❑Corporation ❑General Partnership ❑Privately-Owned Public Utility
❑Federal ❑ State El Municipal ['County
3. Signature authority's name: William L.Pinnix,P.E. per 15A NCAC 02T.0106(b)
Title: Engineering Services Director
P.O.Box 249
4. Applicant's mailing address: 75 Courthouse Drive,Bldg.I
City: Bolivia State: NC Zip:28422_
5. Applicant's contact information:
Phone number:(910)253_2408 Email Address: [e-mail]
II. PROJECT INFORMATION:
1. Project name: Yancey Lane Sewer Extension
2. Application/Project status: ['Proposed(New Permit) 0 Existing Permit/Project
If a modification,provide the existing permit number:WQ00 and issued date:
If new construction but part of a master plan,provide the existing permit number:WQ00
3. County where project is located: Brunswick
4. Approximate Coordinates(Decimal Degrees):Latitude: 33.890° Longitude:- 78.475°
III. CONSULTANT INFORMATION:
1. Professional Engineer: J. Phillip Norris, P.E. 11966
License Number:
Firm: Norris&Tunstall Consulting Engineers P.C.
Mailing address: 1429 Ash-Little River Rd.NW
City: Ash State: NC Zip:28420
Phone number:010)287-5900 Email Address: [e-mail]
IV. WASTEWATER TREATMENT FACILITY(WWTF)INFORMATION:
WWTPNumber: WQ0012748
1. Facility Name: Sea Trail Permit
Owner Name: Brunswick County
V. RECEIVING DOWNSTREAM SEWER INFORMATION:
1. Permit Number(s): WQ0041 805
System Wide Collection System Permit Number(s): WQCS00284
Owner Name(s): Brunswick County
FORM:ASEA 10-23 Page 1 of 5

•
VI. GENERAL REQUIREMENTS
1. If the Applicant is a Privately-Owned Public Utility,has a Certificate of Public Convenience and Necessity been submitted?
❑Yes DNo RN/A
2. If the Applicant is a Developer of lots to be sold,has a Developer's Operational Agreement(FORM:DEV)been submitted?
❑Yes ❑No ®N/A
3. If the Applicant is a Home/Property Owners'Association,has an Operational Agreement(FORM:HOA)been submitted?
❑Yes ❑No ®N/A
4. Origin of wastewater:(check all that apply):
IIUResidential Owned ❑Retail(stores,centers,malls) ❑Car Wash
LE Residential Leased ❑Retail with food preparation/service ❑Hotel and/or Motels
❑School/preschool/day care 0 Medical/dental/veterinary facilities ❑ Swimming Pool/Clubhouse
❑Food and drink facilities ❑Church ❑ Swimming Pool/Filter Backwash
❑Businesses/offices/factories ❑Nursing Home 0 Other(Explain in Attachment)
5. Is/was an Environmental Assessment required under 15A NCAC 01C? ❑Yes 0 No
If yes,submit the appropriate final environmental document(FONSI,ROD,etc.)
6. Nature of wastewater: 100 %Domestic/Commercial 0 %Other waste—specify:
0 %Industrial(See 15A NCAC 02T.0103(20))
7. Wastewater generated by project: 1,050GPD(per 15A NCAC 02T.0114 and G.S. 143-215.1)
Has a flow reduction been approved under I5A NCAC 02T.0114(f)? 2 Yes 0 No
If yes,provide a copy of approval
8. Summarize wastewater generated by project:
Establishment Type Daily Design Flow" No.of Units Flow
3 bedroom single family lot 210 gal/ lot 5 1,050 GPD
gal/ GPD
gal/ GPD
gal/ GPD
gal/ GPD
gal/ GPD
Total 1,050 GPD
a See 15A NCAC 02T.0114(b).(d).(e)(l)and(e)(2)for caveats to wastewater design flow rates(i.e.,minimum flow per
dwelling;proposed unknown non-residential development uses;public access facilities located near high public use areas;
and residential property located south or east of the Atlantic Intracoastal Waterway to be used as vacation rentals as defined
in G.S.42A-4).
b Per I 5A NCAC 02T.0114(c),design flow rates for establishments not identified below shall be determined using available
flow data,water using fixtures,occupancy or operation patterns,and other measured data.
FORM:ASEA 10-23 Page 2 of 5

VII. PRESSURE SEWER DESIGN CRITERIA—15A NCAC 02T.0305:
1. Number of simplex pump stations(STEP tanks/effluent pumps,vacuum pits,etc.)provided: 5
2. What is the nearest 100-year flood elevation to the facility? feet mean sea level.
Is any of the proposed project located within the 100-year flood plain?❑Yes [No
3. If Yes,are the following items provided per 15A NCAC 02T.0305(e):
Water-tight seals on all station hatches and manholes;and
Control panels vents extend two feet above the100-year flood plain elevation? ❑Yes ❑No EN/A
If No,what measures are being taken to protect them against flooding?
4. Volume of storage in wet well above pump on elevation: Gallons(include calculations)
5. How power reliability will be provided in accordance with 15A NCAC 02T.0305(h)(D):
Eg Wet well storage provides 24 hours worth of wastewater storage;or
❑ Wet well storage provides wastewater storage based on power reliability and response times
(See"Policy for Meeting Reliability Requirements")
> Provide 3 years of power history date in the area.
> Provide response time to replace a failed pump. This would include travel time,time to replace pump,etc.
> Wet well storage would be based on whichever is greater.
All other pump stations meet the reliability requirements of 15A NCAC 02T.0305(h)(l): ❑Yes ❑No ❑N/A
6. Summarize simplex pump station design elements:
Design Element Plan Sheet Specification
Reference Reference
Emergency Contact Placard or Sticker C8 TS 021.01
Screened Wet Well Vent C8 TS 021.01
Restricted Access Details C8 TS 021.01
Control Panel C8 TS 021.01
High Water Alarms(Audible&Visual) C8 TS 021.01
Valves(Check,Gate,etc) C8 TS 021.01
Air Relief Valves N/A N/A
7. Summarize the pipe length by diameter to be permitted. Lines from a building to the septic or pump tank should be excluded.
(provide attachments if necessary)
Zone From Node To Node Diameter(in) Length(feet) #Pumps in Zone Pump Model
Specified for Zone
J-5 J-8 2" 320 5 ZOGP
8. Air release valve station locations per 15A NCAC 02T.0305(i)(provide attachments if necessary)
Air Release Valve# Station Plan Sheet Reference
FORM:ASEA 10-23 Page 3 of 5

VIII. SETBACKS&SEPARATIONS—(02B.0200& 15A NCAC 02T.0305(f)):
1. Does the project comply with all separations found in I5A NCAC 02T.0305(f)&(Q) w Yes ❑No
> 15A NCAC 02T.0305(f)contains minimum separations that shall be provided for sewer systems:
Setback Parameter* Separation Required
Storm sewers and other utilities not listed below(vertical) 24 inches
Water mains(vertical-water over sewer including in benched trenches) 18 inches
Water mains(horizontal) 10 feet
Reclaimed water lines(vertical-reclaimed over sewer) 18 inches
Reclaimed water lines(horizontal-reclaimed over sewer) 2 feet
**Any private or public water supply source,including any wells,WS-I waters of Class I or
Class II impounded reservoirs used as a source of drinking water 100 feet
**Waters classified WS(except WS-I or WS-V),B,SA,ORW,HQW,or SB from normal
high water(or tide elevation)and wetlands(see item IX.2) 50 feet
**Any other stream,lake,impoundment,or ground water lowering and surface drainage
ditches 10 feet
Any building foundation 5 feet
Any basement 10 feet
Top slope of embankment or cuts of 2 feet or more vertical height 10 feet
Drainage systems and interceptor drains 5 feet
Any swimming pools 10 feet
Final earth grade(vertical) 36 inches
> 15A NCAC 02T.0305(g)contains alternatives where separations in 02T.0305(f)cannot be achieved.
➢ **Stream classifications can be identified using the Division's NC Surface Water Classifications webpace
> If noncompliance with 02T.0305(f)or(e).see Section IX of this application
2. Does the project comply with separation requirements for wetlands?(50 feet of separation) ❑Yes ❑No [RN/A
> See the Division's draft separation requirements for situations where separation cannot be meet
> No variance is required if the alternative design criteria specified is utilized in design and construction
> As built documents should reference the location of areas effected
3. Does the project comply with setbacks found in the river basin rules per 15A NCAC 02B.0200? ❑Yes ❑No EN/A
> This would include Trout Buffered Streams per 15A NCAC 2B.0202
4. Does the project require coverage/authorization under a 404 Nationwide or 0 Yes EgNo
individual permits or 401 Water Quality Certifications?
➢ Information can be obtained from the 401 &Buffer Permitting Branch
5. Does project comply with 15A NCAC 02T.0105(c)(6)(additional permits/certifications)? EgYes ❑No
Per 15A NCAC 02T.0105(c)(6),directly related environmental permits or certification applications are being prepared,have
been applied for,or have been obtained. Issuance of this permit is contingent on issuance of dependent permits(erosion and
sedimentation control plans,stormwater management plans,etc.).
6. Does this project include any sewer collection lines that are deemed"high-priority?"
Per 15A NCAC 02T.0402,"high-priority sewer"means"any aerial sewer,sewer contacting surface waters,siphon,or sewer
positioned parallel to streambanks that is subject to erosion that undermines or deteriorates the sewer.
❑Yes No
> If yes,include an attachment with details for each line,including type(aerial line,size,material,and location).
High priority lines shall be inspected by the permittee or its representative at least once every six-months and inspections
documented per 15A NCAC 02T.0403(a)(5)or the permitee's individual System-Wide Collection permit.
FORM:ASEA 10-23 Page 4 of 5

IX. CERTIFICATIONS:
1. Does the submitted system comply with 15A NCAC 02T,the Minimum Design Criteria for the Permitting of Pump Stations
and Force Mains(latest version),and the Gravity Sewer Minimum Design Criteria(latest version)as applicable?
❑Yes ❑No
If No,complete and submit the Variance/Alternative Design Request application(VADC 10-14)and supporting documents for
review. Approval of the request is required prior to submittal of the Fast Track Application and supporting documents.
2. Professional Engineer's Certification:
1 J.Phillip Norris,P.E. attest that this application for
(Professional Engineer's name from Application Item 1II.1.)
Yancey Lane Sewer Extension
(Facility name from Application Item II.1.)
has been reviewed by me and is accurate,complete and consistent with the information supplied in the plans,specifications,
engineering 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 been prepared in accordance with this application package and its instructions,as
well as all applicable regulations and statutes. Although other professionals may have developed certain portions of this
submittal package, 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.
NOTE — In accordance with General Statutes 143-215.6A and 143-215.6B, any person who knowingly makes any false
statement, representation, or certification in any application package 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. 11lll
N CAR
North Carolina Professional Engineer's seal,signature,and date: � ..,
/Z
G
"",,011 b,,,,,,,,a,,
3. Applicant's Certification per 15A NCAC 02T.0106(b):
I William L.Pinnix,P.E. Director of Engineering attest that this application for
(Signature Authority's name&title from Application Item 1.3.)
Yancey Lane Sewer Extension
(Facility name from Application Item 11.1.)
has been reviewed by me and is accurate and complete to the best of my knowledge. I understand that any discharge of
wastewater from this non-discharge system to surface waters or the land will result in an immediate enforcement action that
may include civil penalties,injunctive relief,and/or criminal prosecution. I will make no claim against the Division of Water
Resources should a condition of this permit be violated. I also understand that if all required parts of this application package
are not completed and that if all required supporting information and attachments are not included,this application package
will be returned to me as incomplete. As the permittee for the pressure sewer system,I understand I will be required to
own,maintain,and operate all individual pump stations.
NOTE —In accordance with General Statutes 143-215.6A and 143-215.6B, any person who knowingly makes any false
statement, rep sentation, or c 'cation in any application package shall be guilty of a Class 2 misdemeanor,which may
include a fine n t to exce d$1 ,0 0 as well as civil enalties up to$25,000 per violation.
Signature: - Date: Z Z'
bv , �Si �� .
FORM:ASEA 10-23 Page 5 of 5
J

t . -4
NiI- ? o%1
State of North Carolina
111
Y Department of Environmental Quality
Division of Water Resources
Division of Water Resources Flow Tracking for Sewer Extension Applications
(FTSE 10-23)
Entity Requesting Allocation: Brunswick County Public Utilities
Project Name for which flow is being requested: Yancey Lane Sewer Extension
More than one FTSE may be required for a single project if the owner of the WWTP is not responsible for all pump
stations along the route of the proposed wastewater flow.
I. Complete this section only if you are the owner of the wastewater treatment plant.
a. WWTP Facility Name: SEA TRAIL WWTF
b. WWTP Facility Permit#: WQ 0012748
All flows are in MGD
c. WWTP facility's permitted flow 0.30
d. Estimated obligated flow not yet tributary to the WWTP 0.664
e. WWTP facility's actual avg. flow 0.155
f. Total flow for this specific request 0.00105
g. Total actual and obligated flows to the facility 0.82005
h. Percent of permitted flow used 273%
II. Complete this section for each pump station you are responsible for along the route of this proposed
wastewater flow.
List pump stations located between the project connection point and the WWTP:
(A) (B) (C) (D)=(B+C) (E)=(A-D)
Design Approx. Obligated, Total
Pump Pump Average Current Not Yet Current Flow
Station Station Finn Daily Flow** Avg. Daily Tributary Plus
(Name or Permit Capacity, * (Firm/pf), Flow, Daily Flow, Obligated Available
Number) , No. MGD MGD MGD MGD Flow Capacity***
Whisperii '�,Q0041796 0.130 0.0520 0 0.0180 0.0180 0.034
rintS
*The Firm Capacity(design flow)of any pump station is defined as the maximum pumped flow that can be
achieved with the largest pump taken out of service.
**Design Average Daily Flow is the firm capacity of the pump station divided by a peaking factor(pf)not
less than 2.5,per Section 2.02(A)(4)(c)of the Minimum Design Criteria.
***A Planning Assessment Addendum shall be attached for each pump station located between the
project connection point and the WWTP where the Available Capacity is<0.
Downstream Facility Name(Sewer): 2-inch low pressure sewer main
Downstream Permit Number: WQ0041805
Page 1 of 8
FTSF. 10-23

•
III. Certification Statement:
I certify to the best of my knowledge that the addition of
the volume of wastewater to be permitted in this project has been evaluated along the route to the receiving
wastewater treatment facility and that the flow from this project is not anticipated to cause any capacity
related sanitary sewer overflows or overburden any downstream pump station en route to the receiving
treatment plant under normal circumstances, given the implementation of the planned improvements
identified in the planning assessment where applicable. This analysis has been performed in accordance
with local established policies and procedures using the best available data. This certification applies to
those items listed above in Sections I and II plus all attached planning assessment addendums for which I
am the responsible party. Signature of this form certifies that the receiving collection system or treatment
works has adequate capacity to transport and treat the proposed new wastewater.
E /—/—Zia Signing Official Signature Date
L9 - .5ve s
Title of Signing Ocial
Page 2 of 8
FTSF. 1 0-7 1

1• L
.r- - a 30%1
State of North Carolina
Department of Environmental Quality
Division of Water Resources
Division of Water Resources Flow Tracking for Sewer Extension Applications
(FTSE 10-23)
Entity Requesting Allocation: Brunswick County Public Utilities
Project Name for which flow is being requested: Yancey Lane Sewer Extension
More than one FTSE may be required for a single project if the owner of the WWTP is not responsible for all pump
stations along the route of the proposed wastewater flow.
I. Complete this section only if you are the owner of the wastewater treatment plant.
a. WWTP Facility Name: SEA TRAIL WWTF
b. WWTP Facility Permit#: WQ 0012748
All flows are in MGD
c. WWTP facility's permitted flow 0.30
d. Estimated obligated flow not yet tributary to the WWTP 0.664
e. WWTP facility's actual avg. flow 0.155
f. Total flow for this specific request 0.00105
g. Total actual and obligated flows to the facility 0.82005
h. Percent of permitted flow used 273%
II. Complete this section for each pump station you are responsible for along the route of this proposed
wastewater flow.
List pump stations located between the project connection point and the WWTP:
(A) (B) (C) (D)=(B+C) (E)=(A-D)
Design Approx. Obligated, Total
Pump Pump Average Current Not Yet Current Flow
Station Station Finn Daily Flow** Avg. Daily Tributary Plus
(Name or Permit Capacity, * (Firm/pf), Flow, Daily Flow, Obligated Available
Number) No. MGD MGD MGD MGD Flow Capacity***
WhisperI�WQ0041796 0.130 0.0520 0 0.0180 0.0180 0.034
Profs
*The Firm Capacity(design flow)of any pump station is defined as the maximum pumped flow that can be
achieved with the largest pump taken out of service.
**Design Average Daily Flow is the firm capacity of the pump station divided by a peaking factor(pt)not
less than 2.5,per Section 2.02(A)(4)(c)of the Minimum Design Criteria.
***A Planning Assessment Addendum shall be attached for each pump station located between the
project connection point and the WWTP where the Available Capacity is<0.
Downstream Facility Name(Sewer): 2-inch low pressure sewer main
Downstream Permit Number: WQ0041805
Page 1 of 8
FTSF. 10-23

III. Certification Statement:
I certify to the best of my knowledge that the addition of
the volume of wastewater to be permitted in this project has been evaluated along the route to the receiving
wastewater treatment facility and that the flow from this project is not anticipated to cause any capacity
related sanitary sewer overflows or overburden any downstream pump station en route to the receiving
treatment plant under normal circumstances, given the implementation of the planned improvements
identified in the planning assessment where applicable. This analysis has been performed in accordance
with local established policies and procedures using the best available data. This certification applies to
those items listed above in Sections I and II plus all attached planning assessment addendums for which I
am the responsible party. Signature of this form certifies that the receiving collection system or treatment
works has adequate capacity to transport and treat the proposed new wastewater.
E z , /
Signing Official Signature ` Date
I ,Z
Title of Signing O�ial
Page 2 of 8
FTSF. 10-21

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SEWER NARRATIVE
YANCEY LANE SEWER EXTENSION
SHERYL-MAR CO., LLC
James L Hodgin, Manager
87 Norwood Road. Chapel Hill NC 27516
919 210-0920 / [e-mail]
oN C s�Ul�ti,,,
• v "
S
O •
11 •
AN/LLIP \
l l l 46kt-?j
Prepared by:
NORRIS & TUNSTALL CONSULTING ENGINEERS, P.C.
1429- Ash — Little River Road
Ash, North Carolina 28420
[phone] / [e-mail]
License # C-3641
N&T Project No. 23081

•
NARRATIVE
This public sewer system is designed to service five 3-bedroom single family lots. The
proposed 320 linear feet of 2-inch low pressure forcemain will connect to the
Whispering Pines Sewer Extension Project WQ0041805.
A total of approximately 320 LF of 2-inch LPSSFM will be needed to complete the
system.
This new system will be owned and served by Brunswick County.

SEWER NARRATIVE
YANCEY LANE SEWER EXTENSION
SHERYL-MAR CO., LLC
James L Hodgin, Manager
87 Norwood Road. Chapel Hill NC 27516
919 210-0920 I [e-mail]
•
s =_
11
AFUL LIP
lll� \ 115t2
Prepared by:
NORRIS & TUNSTALL CONSULTING ENGINEERS, P.C.
1429-Ash — Little River Road
Ash, North Carolina 28420
[phone] I [e-mail]
License # C-3641
N&T Project No. 23081

NARRATIVE
This public sewer system is designed to service five 3-bedroom single family lots. The
proposed 320 linear feet of 2-inch low pressure forcemain will connect to the
Whispering Pines Sewer Extension Project WQ0041805.
A total of approximately 320 LF of 2-inch LPSSFM will be needed to complete the
system.
This new system will be owned and served by Brunswick County.

l
I.
SEWER CALCULATIONS
FOR
YANCEY LANE SEWER EXTENSION
SHERYL-MAR CO., LLC
James L Hodgin
87 Norwood Road. Chapel Hill NC 27516
919 210-0920 / [e-mail]
cam . 11966 • `!?
4'G INE��,p��
pNILLIP
11
Prepared by:
NORRIS & TUNSTALL CONSULTING ENGINEERS, P.C.
1429 Ash-Little River Road
Ash, North Carolina 28420
[phone]/ [e-mail]
License # C-3641
N&T Project No. 23081
.

BAR N Es®
PRESSURE SEWER
POWERED BY RAZOR
MATERIAL BREAKDOWN
Item Description Qty
1-1/2" SDR 21 PVC Pipe for Service Laterals 8,600
1-1/4" Stainless Steel Curb Stop/Check Valve 86
2" SDR 21 PVC Pipe 2,040
3" SDR 21 PVC Pipe 2,300
Simplex Grinder Pump Stations 86
BARNES CRANE
PUMPS 8 SYSTEMS

Series ZOGP BAR NEs
Performance Curve
2HP, 3450RPM, 60Hz, High-Flow www.cranepumps.com
Submersible Grinder Pumps
TOTAL HEAD inches
METERS FEET
(mm)
= T
60 200
175
50 — 1
150
(
40
' )
' 125
30�— 100
75
20— 1
5 0 —
10
25 ....'
i V115328
U.S.GALLONS 5 10 15 20 25 30
PER MINUTE I I '
LITERS 5 1 1.5 2
PER SECOND
Testing is performed with water,specific gravity 1.0 @ 68°F @(20°C),other fluids may vary performance
SECTION sg I CRAN E PUMPS & SYSTEMS
PAGE 22
DATE 8120 •
- A Crane Co. Company USA: [phone] • Canada: [phone] • International: [phone]

WHISPERING
PINES ,
BRUNSWICK
COUNTY , NC
DESIGN
SCENARIO
- RATIONAL
METHOD

.NO , It*, I:1 , ' , 7, ii,
'5, it. .; 10 ' e .Schematic _, :
r
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.'. ►tr • , ,
y tiM i :,L
- it
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1,..y _ ,+In ro" Cal. , r .,••�' 6 - _
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I.
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wry— L 7 .^ ` ^
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1 ..*.I.
I )11'1.1t: l'ios,_ •.;.••- I 0106 -0 ir. •
11.
4 F' 0 3
IF
i `
Pipe Diamete -, i1 .1.III. t �. � _ I • �+ .4- �u.V
n<=1.2s 1
1`
❑<=1.5 1 it L I I
0<=2 .. N , , J I I 'i I
®<=3 I 1 ••
El<=4 'J i

•
Pipe Schematic
•
0
Pipe Diamete
<=
<=<=1.25
<=1.5
■<=2
■<=2.5
¢3
■<=4
•<=6
•<=8
<=10
■>10

•
Pipe Names
.13
d
6-5
'gip
Pipe Diameter
<=1.25
❑<=1.5
❑<=2
❑<=2.5
■<=3
<=4
O<=6
<=8
.<=10
■>10

Node Names
R-1
J-4
•
Pumpp--33
•
� J-3
Pump-2
J1
Pump-1
Pipe Diamete
<=1.25
+<=1.5
<=2
■<=2.5
<=3
<=4
■<=6
�<=8
■>10

Flow
.0.
•
2:6 3
0c
Pipe Diameter
<=1
<=1.25
<=1.5
❑<=2
❑<=2.5
•<=3
®<=4
❑<=5
■<=8
■<=10
■>10

Velocity
NK4
Pipe Diameter
0<=1
0<=1.25
o<=1.5
0<=2
0<=2.5
•<=3
gr3<=4
0<=6
1•<=8
•<=10
In>10

Head Pressure
-5
40.4
47.6
4' 93.2
98.4 •
107.7106
114.6
Pipe Diamete
•<=1
•<=1.25
■<=1-5
■<=2
•<=2.5
<=3
. <=4
<=8
<=10
>10

************************************************
SUMMARY OF ORIGINAL DATA
************************************************
UNITS SPECIFIED
FLOWRATE = gallons/minute
HEAD (HGL) = feet
PRESSURE = psig
PIPELINE DATA
STATUS CODE: XX -CLOSED PIPE CV -CHECK VALVE
PIPE NODE NAMES LENGTH DIAMETER ROUGHNESS MINOR '
NAME #1 #2 (ft) (in) COEFF. LOSS COEFF.
P-1 J-1 J-3 911.19 2.15 150.0000 0.00
P-3 J-3 J-4 1032.05 2.15 150.0000 0.00
P-4 0-Pump-1 3-1 160.90 1.72 150.0000 0.00
P-5 O-Pump-2 J-3 217.85 1.72 150.0000 0.00
P-6 J-4 R-1 2292.89 3.17 150.0000 0.00
P-7 O-Pump-3 J-4 203.85 1.72 150.0000 0.00
P-8 J-1 3-5 94.26 2.15 150.0000 0.00
NODE DATA
NODE NODE EXTERNAL JUNCTION EXTERNAL
NAME TITLE DEMAND ELEVATION GRADE
(gpm) (ft) (ft)
J-1 0.00 11.90
J-3 0.00 14.60
J-4 0.00 24.30
J-5 0.00 10.60
O-Pump-2 ---- 17.00 12.00
O-Pump-3 ---- 24.40 19.40
R-1 ---- 38.40 33.40
0-Pump-1 ---- 9.10 4.10
I
i
I,1
I

PIPELINE RESULTS
STATUS CODE: XX -CLOSED PIPE CV -CHECK VALVE
PIPE NODE NUMBERS FLOWRATE HEAD MINOR LINE HL+ML/ HL/
NAME #1 #2 LOSS LOSS VELO. 1000 1000
gpm ft ft ft/s ft/f ft/f
P-1 J-1 J-3 28.29 10.44 0.00 2.50 11.46 11.46
P-3 3-3 J-4 56.91 43.14 0.00 5.03 41.80 41.80
P-4 0-Pump-1 J-1 28.29 5.45 0.00 3.91 33.89 33.89
P-5 O-Pump-2 J-3 28.61 7.54 0.00 3.95 34.61 34.61
P-6 J-4 R-1 86.12 31.29 0.00 3.51 13.65 13.65
P-7 O-Pump-3 J-4 29.22 7.33 0.00 4.03 35.97 35.97
P-8 3-1 J-5 0.00 0.00 0.00 0.00 0.00 0.00
NODE RESULTS
1 NODE NODE EXTERNAL HYDRAULIC NODE PRESSURE NODE
I NAME TITLE DEMAND GRADE ELEVATION HEAD PRESSURE
gpm ft ft ft psi
J-1 0.00 118.27 11.90 106.37 46.09
J-3 0.00 107.83 14.60 93.23 40.40
J-4 0.00 64.69 24.30 40.39 17.50
J-5 0.00 118.27 10.60 107.67 46.66
0-Pump-2 ---- 115.37 17.00 98.37 42.63
O-Pump-3 ---- 72.02 24.40 47.62 20.64
R-1 ---- 33.40 38.40 -5.00 -2.17
0-Pump-1 ---- 123.72 9.10 114.62 49.67

MAX I M U M AND MINIMUM VALUES
P R E S SURE S
JUNCTION MAXIMUM JUNCTION MINIMUM
NUMBER PRESSURES NUMBER PRESSURES
psi psi
0-Pump-1 49.67 R-1 -2.17
J-5 46.66 J-4 17.50
J-1 46.09 O-Pump-3 20.64
O-Pump-2 42.63 J-3 40.40
VELOCITIES
PIPE MAXIMUM PIPE MINIMUM
NUMBER VELOCITY NUMBER VELOCITY
(ft/s) (ft/s)
P-3 5.03 P-1 2.50
P-7 4.03 P-6 3.51
P-5 3.95 P-4 3.91
H L + M L / 1 0 0 0
PIPE MAXIMUM PIPE MINIMUM
NUMBER HL+ML/1000 NUMBER HL+ML/1000
(ft/ft) (ft/ft)
P-3 41.80 P-1 11.46
P-7 35.97 P-6 13.65
P-5 34.61 P-4 33.89
H L / 1 0 0 0
PIPE MAXIMUM PIPE MINIMUM
NUMBER HL/1000 NUMBER HL/1000
(ft/ft) (ft/ft)
P-3 41.80 P-1 11.46
P-7 35.97 P-6 13.65
P-5 34.61 P-4 33.89
***** HYDRAULIC ANALYSIS COMPLETED *****

WHISPERING PINES ,
BRUNSWICK
COUNTY , NC
- DESIGN SCENARIO
PROBABILITY METHOD
**This sample is to satisfy the Probability method
approach of X number of pumps operating in the
system, per DEQ requirements.
**Crane does not prescribe to this method, but
rather uses the Rational Method for hydraulic
modeling of centrifugal pumps, as recommended
by EPA.
** The Probability Method is not designed to be
used with centrifugal pumps, and only accounts
for consistent 1 1 GPMper um not
o a pump,
accounting for a pump curve.

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25 �1
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■<=2.5 r
■<=3
It<=4
■
: T9 � A E I ->i ,

Pipe Schematic
,41
Pipe Diameter
0<=1
<=1 25
0<=1 5
Ci<=2
LI<=2 5
•<=3
<=4
0<=6
<=8
<=10
•>10

Pipe Names
•
•
•
Q•
•
{ -0
I` w
I
VI A
Pfpe Diameter
r_
■<=1.25
■<=1.5
O<=2
O<=2.5
■<=3
❑<=4
O<=6
■<=8
<=10
■>10

•
Node Names
R-1
J-7
• Pump-5
J-2
►
Pump-6
J-6
Pump-7
\J-4
•
►�3E
Pump-3
J-9 Pump-8 1
J-3
Pump-2
J-8
`. Pump-4
J-1
J-5.
Pump-1
Pipe Diameter
■<=1
■<=1.25
•<=1.5
•<=2
■<=2.5
<=3
•<=4
■<=6
®<=10
>10

Flow
0
.
•
•
a
22.6 • :O
UO
PSI •Dlanntn
■<=1.25
•<=1.5
Ci<=2
<=2.5
■<=3
■<=4
®<=8
•<=8
■<=10
■>10

Velocity
4
•
•
•
•
•jn
41,
0
<-
Pipe Diameter
❑<=1
■<=1.25
■<=1.5
❑<=2
❑r_2.5
■<=3
El<=4
D<=6
■<=8
' <=10
!>10

Head Pressure
-5
10.3
20.7
CIn
rt'
25.8
33.4
52.9
62.6
73.4
80.5
85.9
94.2
123.3
12-9 7
139.5
144.8
143.2
144.5
N
Pipe Diamete 149.5
■<=1
i=Sc1.25
■<=1.5
r_2
■<=2.5
<=3
3<=4
■<=6
<=10
).10

************************************************
SUMMARY OF ORIGINAL DATA
************************************************
U NITS SPECIFIED
FLOWRATE = gallons/minute
HEAD (HGL) = feet
PRESSURE = psig
P IPELINE DATA
STATUS CODE: XX -CLOSED PIPE CV -CHECK VALVE
P IPE NODE NAMES LENGTH DIAMETER ROUGHNESS MINOR
N AME #1 #2 (ft) (in) COEFF. LOSS COEFF.
P-1 3-1 3-8 554.45 2.15 150.0000 0.00
P-2 3-2 3-7 588.35 4.07 150.0000 0.00
P-3 J-3 3-9 458.41 2.15 150.0000 0.00
P-4 0-Pump-1 3-1 160.90 1.72 150.0000 0.00
P-5 O-Pump-2 3-3 185.41 1.72 150.0000 0.00
P-6 3-4 J-6 563.69 3.17 150.0000 0.00
P-7 0-Pump-3 J-4 203.85 1.72 150.0000 0.00
P-8 3-1 3-5 94.26 2.15 150.0000 0.00
P-9 J-6 3-2 548.17 3.17 150.0000 0.00
P-10 3-7 R-1 592.68 4.07 150.0000 0.00
P-11 3-8 J-3 434.45 2.15 150.0000 0.00
P-12 O-Pump-4 J-8 156.78 1.72 150.0000 0.00
P-13 O-Pump-7 3-6 226.65 1.72 150.0000 0.00
P-14 O-Pump-6 J-2 173.77 1.72 150.0000 0.00
P-15 0-Pump-5 J-7 208.41 1.72 150.0000 0.00
P-16 3-9 3-4 495.54 3.17 150.0000 0.00
P-17 O-Pump-8 J-9 209.20 1.72 150.0000 0.00
N ODE DATA
NODE NODE EXTERNAL JUNCTION EXTERNAL
NAME TITLE DEMAND ELEVATION GRADE
(gpm) (ft) (ft)
J-1 0.00 11.90
J-2 0.00 31.30
J-3 0.00 15.10
J-4 0.00 24.30
J-5 0.00 10.60
J-6 0.00 27.90
J-7 0.00 36.50
J-8 0.00 11.40
J-9 0.00 21.20
O-Pump-2 ---- 14.80 9.80
0-Pump-3 ---- 24.40 19.40
1 O-Pump-6 ---- 30.00 25.00
R-1 ---- 38.40 33.40
0-Pump-1 ---- 9.10 4.10
O-Pump-4 ---- 9.90 4.90
O-Pump-5 ---- 33.70 28.70
O-Pump-7 ---- 26.30 21.30
O-Pump-8 ---- 20.20 15.20

P IPELINE RESULTS
STATUS CODE: XX -CLOSED PIPE CV -CHECK VALVE
P IPE NODE NUMBERS FLOWRATE HEAD MINOR LINE HL+ML/ HL/
N AME #1 #2 LOSS LOSS VELO. 1000 1000
gpm ft ft ft/s ft/f ft/f
P-1 J-1 J-8 22.57 4.18 0.00 2.00 7.54 7.54
P-2 J-2 J-7 190.15 10.22 0.00 4.68 17.37 17.37
P-3 3-3 3-9 74.19 31.32 0.00 6.56 68.31 68.31
P-4 0-Pump-1 J-1 22.57 3.59 0.00 3.12 22.31 22.31
P-5 O-Pump-2 J-3 27.82 6.09 0.00 3.84 32.85 32.85
P-6 3-4 J-6 131.74 16.90 0.00 5.37 29.98 29.98
P-7 O-Pump-3 J-4 28.87 7.17 0.00 3.99 35.19 35.19
P-8 J-1 J-5 0.00 0.00 0.00 0.00 0.00 0.00
P-9 J-6 J-2 160.81 23.78 0.00 6.55 43.38 43.38
P-10 J-7 R-1 219.58 13.44 0.00 5.41 22.67 22.67
P-11 J-8 J-3 46.37 12.43 0.00 4.10 28.61 28.61
P-12 0-Pump-4 J-8 23.79 3.86 0.00 3.29 24.59 24.59
P-13 0-Pump-7 J-6 29.07 8.08 0.00 4.01 35.65 35.65
P-14 O-Pump-6 J-2 29.34 6.30 0.00 4.05 36.25 36.25
P-15 0-Pump-5 3-7 29.43 7.60 0.00 4.06 36.47 36.47
P-16 J-9 3-4 102.87 9.40 0.00 4.19 18.96 18.96
P-17 O-Pump-8 3-9 28.68 7.27 0.00 3.96 34.76 34.76
N ODE RESULTS
NODE NODE EXTERNAL HYDRAULIC NODE PRESSURE NODE
NAME TITLE DEMAND GRADE ELEVATION HEAD PRESSURE
gpm ft ft ft psi
J-1 0.00 155.06 11.90 143.16 62.03
J-2 0.00 57.06 31.30 25.76 11.16
J-3 0.00 138.45 15.10 123.35 53.45
3-4 0.00 97.73 24.30 73.43 31.82
J-5 0.00 155.06 10.60 144.46 62.60
3-6 0.00 80.83 27.90 52.93 22.94
3-7 0.00 46.84 36.50 10.34 4.48
J-8 0.00 150.87 11.40 139.47 60.44
3-9 0.00 107.13 21.20 85.93 37.24
O-Pump-2 ---- 144.54 14.80 129.74 56.22
0-Pump-3 ---- 104.91 24.40 80.51 34.89
O-Pump-6 ---- 63.36 30.00 33.36 14.45
R-1 ---- 33.40 38.40 -5.00 -2.17
0-Pump-1 ---- 158.65 9.10 149.55 64.80
O-Pump-4 ---- 154.73 9.90 144.83 62.76
O-Pump-5 ---- 54.44 33.70 20.74 8.99
O-Pump-7 ---- 88.91 26.30 62.61 27.13
O-Pump-8 ---- 114.40 20.20 94.20 40.82
{
is

i
.
MAXIMUM AND MINIMUM VALUES
PRESSURES
JUNCTION MAXIMUM JUNCTION MINIMUM
NUMBER PRESSURES NUMBER PRESSURES
psi psi
0-Pump-1 64.80 R-1 -2.17
O-Pump-4 62.76 J-7 4.48
J-5 62.60 O-Pump-5 8.99
J-1 62.03 J-2 11.16
J-8 60.44 O-Pump-6 14.45
VELOCITIES
PIPE MAXIMUM PIPE MINIMUM
NUMBER VELOCITY NUMBER VELOCITY
(ft/s) (ft/s)
P-3 6.56 P-1 2.00
P-9 6.55 P-4 3.12
P-10 5.41 P-12 3.29
P-6 5.37 P-5 3.84
P-2 4.68 P-17 3.96
H L + M L / 1 0 0 0
PIPE MAXIMUM PIPE MINIMUM
NUMBER HL+ML/1000 NUMBER HL+ML/1000
(ft/ft) (ft/ft)
P-3 68.31 P-1 7.54
P-9 43.38 P-2 17.37
P-15 36.47 P-16 18.96
P-14 36.25 P-4 22.31
P-13 35.65 P-10 22.67
H L / 1 0 0 0
PIPE MAXIMUM PIPE MINIMUM
NUMBER HL/1000 NUMBER HL/1000
(ft/ft) (ft/ft)
P-3 68.31 P-1 7.54
P-9 43.38 P-2 17.37
P-15 36.47 P-16 18.96
P-14 36.25 P-4 22.31
P-13 35.65 P-10 22.67
***** HYDRAULIC ANALYSIS COMPLETED *****

TECHNICAL SPECIFICATIONS
YANCEY LANE SEWER EXTENSION
SHERYL-MAR CO., LLC
James L Hodgin, Manager
87 Norwood Road. Chapel Hill NC 27516
919 210-0920 / [e-mail] RECEIVED
JAN 11 2024
NCDEQ/DWR/NPDES
•-r? _
p 66 co
•
%/j, �tiGIN���
Ay/CLIP \-\O
l I sje 741 Z',
Prepared by:
NORRIS & TUNSTALL CONSULTING ENGINEERS, P.C.
1429- Ash — Little River Road
Ash, North Carolina 28420
[phone] / [e-mail]
[phone] (Fax)
License # C-3641
N&T Project No. 23081

September 2012 Brunswick County Engineering Department Revision 1.00
TECHNICAL SPECIFICATIONS
Specification Title Specification Number
Definitions and Terms TS 001
Existing Underground Utility Lines and Structures TS 002
Field Engineering TS 003
Special Project Procoduroo TS 001
Project 1$1eetinge TS 095
Project Sehodule TS 006
Project Swbmittalc T$ 007
Cnnctriirtinn Farilitiac and Tamlxnrary Cnntrnlc TQ MR
Ere..iee a..el Eedi,, catetie.l Ceot.el TE 009
As iiitoc t Drawinge TS 010
Dewatoring TS 011
T.c.uh B.,xcv, Ehc,t:,>g,e..d TE 012
Excavating, Grading, Trenching, & Backfilling TS 013
Boring an lacking TS Q.14
Directional Drilling TS 015
Water rlictrilvrtinn Qyctn1 TQ (11 2
Storm Water Drainage Syotemo TS 019
Gravity Sanitary Se•vcr System T$ 020.
Low Pressure Sewer Systems & Grinder Pumps TS 021
Wa.,tc Wat.,. Fer.,c Ala:.» TE 022.
Sanitary &ewer Pipeline Rootoration TS 031
I anricraring Tc m5
Cene etc IZe:..f Ieen.e..t TE 02C
env- I., Place Co-Crete TS 927
GPnar,11 PlArtriral Infnrmatinn TQ 11)2
Electrical Serviette TS 929
GClluune-ling and Rending Tc
Snrrta Prptartinn TS (121
�'r"L�Jrgtncy �" ratorr fir Pr+nip Ctatii r Tc n1'
Airtnmatir Transfer Qxxntrh TQ 1122
SCADA Control Sy3tcm for Sev.wcr Pump Etationu TE 031
Elo tr,n ""r1 or wy" for `Natir.A4n n ar 'y.+y F' rGi win TC 112G

June 2020 Brunswick County Engineering Department Revision 1.01
Technical Specification 001
DEFINITIONS AND TERMS
1.0 General
a) The intent of this specification is to explain and define certain terms and phrases
that appear in the Brunswick County Engineering Design Manual, Technical
Specifications, and Standard Details for Water and Sewer Systems (hereinafter
"Design Manual").
b) For a Brunswick County Capital Improvement Program (CIP)project,Article 1 of
the Brunswick County General Conditions of the Contract (hereinafter "General
Conditions") shall be the official definition of terms. This technical specification
is intended to be a guide to language in the Design Manual and therefore
complimentary to Article 1 of the General Conditions, and in the case of any
conflict between this specification and Article 1 of the General Conditions, this
specification shall be subordinate to Article 1 of the General Conditions.
2.0 Interpretation of Certain Terms and Words
a) Except as specifically defined herein all words used in these Technical
Specifications have their customary dictionary definitions. For the purposes of
these Technical Specifications certain words or terms used herein are hereby
defined as follows:
b) Words used in the present tense include the future tense. Words used in the
singular include the plural and words used in the plural include the singular.
Words used in the masculine include the feminine also.
c) The word "shall" is always mandatory
d) The word "may" is permissive
e) The word "lot" includes the word "plat" or "parcel"
f) The word "person" includes a firm, association, organization, partnership, trust
company, limited liability company, or corporation as well as an individual.
3.0 Definitions
AASHTO: American Association of State Highway and
Transportation Officials.
AHJ: Authority Having Jurisdiction.
ANSI: The latest edition of Standards published by the
TS 001 Page 1 I

June 2020 Brunswick County Engineering Department Revision 1.01
American National Standards Institute.
ASTM: The latest edition of Standards published by the
American Society of Testing and Materials.
AWWA: American Water Works Association.
Cleanout: An access point for a gravity sewer service lateral to
be used for inspection and maintenance purposes by
County staff or licensed plumbers.
Clearing & Grubbing: The removal and disposal of all trees, root mat,
roots, logs, shrubs, grass, weeds, fallen timber and
any other litter or surface debris such as, but
not limited to, fences, steps, walls, chimneys,
column footings, other footings, foundation slabs,
basements, other foundation components, sign,
junked vehicles, and other rubble and debris, which
occur within areas designated as Easements, Limits
of Disturbance, or clearing limits, as shows on the
Contract Drawings. The more expansive limits
shown on the drawings shall define the area to be
cleared and grubbed unless otherwise note as an
undisturbed area. All areas cleared and grubbed
shall be left in a condition to meet the requirements
of Brunswick County Technical Specification TS
025: Landscaping. The word clearing shall be
interchangeable with clearing and grubbing.
Contractor: A person or business entity legally licensed by the
State of North Carolina Licensing Board for
General Contractors; to perform installation,
repairs, and connections to County water and sewer
systems. The license holder must also have the
Underground Utilities designation in addition to a
General Contractor license.
County: Brunswick County.
Customer: Any person, firm, association, business, or
governmental agency that receives water and / or
sewer service from Brunswick County Public
Utilities.
Density: The number of habitable structures per acre, or
number of bedrooms per development, used to
calculate water and waste water flow rates.
Design Manual: This Brunswick County Engineering Design
TS 001 Page 2 J 6

June 2020 Brunswick County Engineering Department Revision 1.01
Manual, Technical Specifications, and Standard
Details for Water and Sewer Systems.
Developer: Any person, firm, corporation, or other legal entity
improving property for commercial, industrial, or
residential purposes.
Drawings: All plans, profiles, maps, or other drawings that
show the location, character, dimensions, and
details of the work produced by an Engineer.
Design Work: Work produced by a Professional Engineer for a
developer or the County related to the installation of
water, sewer, or stormwater infrastructure.
DWQ: Division of Water Quality(a division of NCDEQ).
Easement: Legal rights conveyed by a Grantor to a Grantee to
any person, firm, corporation or public entity for the
use of a strip or parcel of land for a specified
purpose; fee simple land ownership rights do not
with mnt.
EJCDC: Engineers convey Jointan Contracteasee Documents Committee.
Engineer: A person registered as a Professional Engineer by
the North Carolina Board of Registration for
Engineers and Land Surveyors (the Board) in one
of the approved fields of licensure by the Board and
qualified to design and permit water transmission
and distribution, sewer collection, pump
stations, water treatment, wastewater treatment,
stormwater, streets, curb and guttering, or other
required design elements and procedures.
FDC: Fire Department Connection; a device on the size of
a building, or possibly some distance remote from
the building, that is connected to the sprinkler
system for the purposes of allowing the Fire
Department to boost the sprinkler system pressure
via external means — usually by use of a fire
department pumper truck.
Feet of Head: A unit of pressure measurement; a column of water
2.31 feet tall= 1.0 PSIG.
Governing Authority: The Board of Commissioners of Brunswick County,
North Carolina.
TS 001 Page 3 16

June 2020 Brunswick County Engineering Department Revision 1.01
Lot: A piece, parcel, tract, or plat of land intended as a
unit for the transfer of ownership for development.
NCDEQ: North Carolina Department of Environmental
Quality.
NCDOT: North Carolina Department of Transportation.
NEC: National Electrical Code—NFPA 70.
NEMA: National Electrical Manufacturers Association.
NFPA 110: National Fire Protection Association; Standard for
Emergency and Standby Power Systems.
NSF: National Sanitation Foundation.
Owner: Brunswick County, or County.
Planning Commission: The Brunswick County Planning Board.
Plat: A map or drawing upon which a plan of subdivision
or
development is presented for review and
p
approval.
PSIG: Pounds per Square Inch, Gage — a unit of pressure
measurement.
Public Right-of-Way(or ROW): Public rights-of-way are considered to mean public
street rights-of-way or any other public right-of-
way.
Public Utility Easement, or(PUE): Permanent easements and associated rights in the
name of the County as the Guarantee and that are a
matter of public record by virtue of being recorded
at the County Register of Deeds office; usually
obtained for the installation and maintenance of
water mains, sewer mains,water and/or sewer pump
stations,water storage tanks, etc.
Pump Station: A structure or pumping facility used to facilitate the
transmission of water or wastewater through the use
of pumps and a transmission and/or distribution
system.
Private Easement: Easement rights negotiated between two private
parties; the County is not a party to a Private
Easement.
TS 001 Page 4 J 6

June 2020 Brunswick County Engineering Department Revision 1.01
PWSS: Public Water Supply Systems (a division of
NCDEQ).
SCADA: Supervisory Control and Data Acquisition; a means
of remotely monitoring water, sewer, and pump
station infrastructure.
Service Box: A water meter box or a low pressure sewer box on a
customer's property.
Service Lateral: The connection between a County water and/or
sewer main and the service box on the customer's
property.
Sewer Main: Any pipe or conduit that is part of the County's
sewer transmission and/or distribution system and is
used to transport sewer flow from more than one
user connection to a waste water treatment facility.
Shop Submittals: Technical information submitted to the Engineer
and / or the County for review and approval of
materials to be used in the construction of water
and sewer systems.
Standard Details: The water, sewer, and pump station detail drawings
prepared by the County Engineering and Public
Utilities departments and are posted on the County
website for use by the design community.
Subdivision: The division of a tract of land into two or more lots
for the purpose, whether immediate or future, of
sale or development. This includes all division of
land involving a new street or a change in the
arrangement of streets and includes any re-
subdivision of land. Subdivision shall also refer to
uses of land not ordinarily considered a subdivision
such as mobile home parks, multifamily parcels,
townhouses, and planned unit developments.
Surveyor: A person registered as a Land Surveyor by the
North Carolina Board of Registration for Engineers
and Land Surveyors and qualified to practice
land surveying.
Temporary Construction Easement: Temporary Construction Easements that are
TS 001 Page 5 I

June 2020 Brunswick County Engineering Department Revision 1.01
obtained from a private or public landowner for
temporary impacts due to utility infrastructure
construction; TCEs are not recorded at the County
Register of Deeds and the TCE dissolves at the end
of the construction project.
User Connection: The point of connection of a customer's plumbing
to the County's service box.
Water Main: Any pipe or conduit that is part of the County's
water transmission and/or distribution system and is
used to transport water flow to more than one user
connection from a water treatment facility.
TS 001 Page 6 I

September 2012 Brunswick County Engineering Department Revision 1.00
Technical Specification 002
EXISTING UNDERGROUND UTILITY LINES AND STRUCTURES
1.0 General
a) Every landowner, developer, or contractor who contracts to perform excavation,
demolition, or installation activities within a site or on a project located in
Brunswick County is responsible to ascertain the location and type of all
underground utility lines or structures that may be located within the limits of the
project work area.
b) Some of these underground utilities or structures may have been designated on the
plans, however, the exact location may vary and others may not be designated.
The contractor is fully responsible for verification of the exact location of all
underground utility lines or structures within the work limits, whether shown on
the plans or not, and for providing necessary protection and/or repair if damaged.
c) For a Brunswick County Capital Improvement Program (CIP) project Article 21
of the Brunswick County General Conditions of the Contract is also a part of this
specification and is fully incorporated herein. Where a conflict may exist
between this technical specification and Article 21 of the General Conditions,this
specification shall be subordinate to Article 21 of the General Condition of the
Contract.
2.0 Underground Damage Prevention Act
a) The contractor is directed to comply fully with the applicable provisions of Senate
Bill 168 "Underground Damage Prevention Act" as passed by the General
Assembly of the State of North Carolina.
b) Listing of Utility Companies: The following utility companies may have facilities
within the work limits and it is required that the contractor establish coordination
and utilities location with each prior to initiating work. There may be others not
mentioned here and it is the contractor's responsibility to ensure that the proper
notification has been made to all utilities owners with infrastructure within the
proposed project work area:
1) Brunswick County Public Utilities
250 Grey Water Road NE
Field Operations Center
Supply,North Carolina 28462
910.253.2860
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September 2012 Brunswick County Engineering Department Revision 1.00
2) ATMC
640 Whiteville Road NW
Post Office Box 3198
Shallotte,North Carolina 28459
910.755.1706
3) Brunswick EMC
Post Office Box 826
Shallotte,North Carolina 28459
910.754.4391
800.842.5871
4) Progress Energy Carolinas, Inc.
8645 Trade Street
Leland,North Carolina 28451
910.383.4042
5) Piedmont Natural Gas
Corporate Office
4720 Piedmont Row Drive
Charlotte,North Carolina 28210
704.364.3120
Natural Gas Emergencies: 800.752.7504 or 911
6) The contractor shall call the North Carolina One Call Center at:
811 or 1-800-632-4949
www.nc811.org
for locates on underground utilities.
3.0 Existing Underground Utility line or Structure Location and Marking by Owners
a) The contractor shall make a documented request to the North Carolina One Call
Center, and/or individual utility owners, in order to locate their facilities within
the project work limits at least 48 hours in advance of the day excavation or
demolition work is scheduled to begin. Location assistance requested from the
owner should include the actual horizontal location, type number, size and depth
of all lines. Some, but not all, cooperative actions the contractor should take
either on or off the job site are as follows:
b) The contractor shall ascertain if the utility owner desires to have his representative
present during the work.
c) The contractor shall comply with all standard regulations and take all precautions
required by the owner of the facility.
d) All costs associated with locating and marking existing utilities or the utilities
representatives shall be the responsibility of the contractor.
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September 2012 Brunswick County Engineering Department Revision 1.00
e) The contractor shall inform all equipment operators, either those employed by
him or those employed by his subcontractors, of information obtained from the
utility owners prior to initiation of work.
f) The contractor shall immediately notify utility owner of any leaks or breaks,
dents, gouges, grooves or other damages to such line coating or cathodic
protection created or discovered by him in the course of the work.
g) The contractor must immediately alert the occupants of the adjacent premises of
any emergencies that he may create or discover at the work site.
4.0 Location and Protection of Utility Lines
a) The location of all utilities shall be made with locating equipment well in advance
of actual work. The located facility shall be plainly marked by coded paint
designations on the paved areas or by coded stakes or flags along the unpaved
areas. All marked locations are to be made at least 500 feet in advance of all
trench excavation and the location and utility protection provided by the
contractor must be to the satisfaction of the engineer and the County.
Furthermore, the contractor shall uncover any utility and obtain the utility
elevation as required by the engineer. All damages to existing utility facilities in
the work area during trenching and installation of facilities for this contract are
the responsibility of the contractor and he shall repair or replace damaged lines to
the satisfaction of the utility owner.
5.0 Protection of Existing Utilities and Facilities
a) In the conduct of his operations, the contractor shall take special precautions to
protect equipment, structures,utility lines, roadways, subsurfaces, submerged, and
overhead facilities against damage. In the event the facilities are disturbed,
damaged, or injured as a result of the contractor's operation then the contractor
shall immediately notify the utility owner and the County, and in conjunction
with the owner determine the proper method of replacing, repairing, or restoring
the affected facilities to the conditions which existed prior to the contractor's
operations.
b) The contractor shall, at his own expense, replace, repair or restore the affected
facilities or areas to their original condition or shall reimburse the owner of said
facilities for such expenses as the said owner may accrue in performing the work.
6.0 Connections to Existing Facilities
a) Connections to existing facilities which are in service shall be thoroughly planned
in advance, and all required equipment, materials and labor required for a
successful connection shall be on hand at the time of undertaking the connections.
Work shall proceed continuously (around the clock) if necessary to complete
connections in the minimum time. Operation of valves or other appurtenances on
existing utilities, when required, shall be by or under the direct supervision of the
owning utility.
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September 2012 Brunswick County Engineering Department Revision 1.00
b) Brunswick County Engineering and Utilities Departments do not allow tapping
operations to existing mains on Fridays or on the day before a scheduled County
holiday.
c) A County Engineering and /or Public Utilities department inspector must be
present during all wet tap operations on existing mains, and the contractor shall
retrieve the coupon removed from the main and deliver same to County staff
for verification of successful coupon removal.
d) The contractor shall comply with all NCDOT requirements for work within public
rights- of-way during normal working hours and also in advance of weekends and
holidays.
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July 2015 Brunswick County Engineering Department Revision 1.01
Technical Specification 013
EXCAVATING, GRADING, TRENCHING, & BACKFILLING
1.0 General
a) The utility contractor shall furnish all labor, equipment, and materials for all
excavation, grading, trenching, and backfilling associated with the installation of
water,sewer,pump stations,drainage structures,curb and gutter,streets,sidewalks,
driveways, slopes, storm drainage, and other associated infrastructure within the
limits of the project work area. All work done shall be in accordance with the
approved plans and specifications.
2.0 Existing Conditions and Utility Locations
a) It is the utility contractor's responsibility to perform all site inspections to
familiarize himself with the scope of work involved and the existing conditions at
the project site.
b) The contractor is responsible for locating all existing underground utilities in the
area of work. If utilities are to remain in place then the contractor shall provide
adequate means of protection during earthwork, excavating, trenching, and
backfilling operations.
c) Should unlocated, or incorrectly located, piping or other utilities be encountered
during excavation the utility owner shall be notified immediately. The utility
contractor shall cooperate with the County and other respective utility companies
to protect and keep respective services and facilities in operation. The contractor
shall also repair any damaged utilities to the satisfaction of the utility owner.
d) Barricade all open excavations occurring as part of this work and post with warning
signs and /or lights. Continuously operate all warning lights as recommended by
the Authority Having Jurisdiction (AHJ). The utility contractor shall also protect
structures, utilities, sidewalks, pavements, and other facilities from damage
caused by settlement, lateral movement, undermining, washout, and other hazards
created by earthwork operations.
3.0 Technical Standards
a) ASTM C33 ---- Standard specification for concrete aggregates
b) ASTM D2487 - Classification of soils for engineering purposes.
4.0 Soil Classifications
a) Use soils free of debris, roots, wood, scrap material, vegetation, refuse, soft
unsound particles,organic matter,refuse,frozen materials,rocks and lumps greater
than 4 inches in diameter and other deleterious matter.
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July 2015 Brunswick County Engineering Department Revision 1.01
b) For the purpose of this specification, soils to be used as fill material are grouped
into five classes according to soil properties and characteristics:
Class I: Angular, 1/4 to 1-1/2 inch, graded stone, including a number of fill
materials that have regional significance such as coral,slag,cinders,and
crushed stone, crushed gravel, and crushed shells
Class II: Coarse sands and gravels with maximum practical size of 1-1/2 inch,
including variously graded sands and gravels containing small
percentages of fines,generally granular and non-cohesive, either wet or
dry. Soil Types GW, GP, SW, and SP are included in this class.
Class III: Fine sand and clayey gravels, including fine sands, sand-clay mixtures,
and gravel-clay mixtures. Soil Types GM, GC, SM, and SC are
included in this class.
Class IV: Silt, silty clays, and clays, including inorganic clays and silts of
medium to high plasticity and liquid limits. Soil Types MH,ML, CH,
and CL are included in this class. These materials are not
recommended for bedding, haunching,or initial backfill.
Class V: This class includes the organic soil, OL, OH, PT as well as soils
containing frozen earth, debris, rocks, larger than 40 mm (1-1/2 in.) in
diameter, and other foreign materials. These materials are not
recommended for bedding, haunching,or initial backfill.
5.0 Trench Excavation,Pipe Bedding,Backfilling,and Compaction for Utility Systems
a) Trenching of utilities as a method of installation is not allowed in Brunswick
County
b) Trench Excavation
1) Excavation shall be accomplished in accordance with the grades and lines
as established by the Engineer or Surveyor and as required by the work to
be performed. Excavation shall include the removal and replacement of all
asphalt,concrete,curb,rock,earth,fences,trees(as applicable),shrubs,and
other materials. The contractor will exercise care to prevent undercutting
lower than the required subgrade. All materials from excavation,
considered as suitable by this specification, shall be used as fill wherever
required, and the contractor shall arrange his work so that this usage of
excavated materials will be possible. Unsuitable and surplus materials from
the excavation, if any, shall be disposed of by the contractor at his expense.
All areas of the site shall be graded and maintained at all times to prevent
surface runoff from draining into the excavations and to prevent ponding of
water therein.
2) Excavated materials not required for topsoil, fill or backfill shall be
removed from the site of the work by the contractor, but none shall be
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July 2015 Brunswick County Engineering Department Revision 1.01
deposited on private property without written consent of the property
owner. For County capital improvement projects any agreements between
the contractor and private property owners must be provided to the County
also.
3) All excavations shall be in compliance with all current OSHA requirements
and it is the utility contractor's responsibility to ensure that the project work
is in compliance with all OSHA requirements.
4) All piping shall be installed at a minimum depth of 36 inches unless
otherwise approved by Brunswick County. Installations shallower than 36
inches, if approved,will require the use of ductile iron pipe.
5) Trenches for piping shall be excavated true to line and grade as shown on
the approved plans.
6) Trench widths at and below the top of the pipe shall be the minimum
necessary for proper installation. Trench banks above the top of the pipe
shall be as vertical as practicable. Overdepth excavation shall be backfilled
with Class I material and compacted.
7) The utility contractor shall provide, at his expense and as directed by the
Engineer, especially bedding material or concrete encasement as may be
necessary due to over-width excavation.
8) Trench depth to the lines and grades shown on the drawings. Where
elevations are not shown, trench to a depth sufficient to provide at least 36
inches of cover above the top of pipe,unless otherwise specified. Grade all
trenches to provide a constant slope free of sags and high spots. Recesses
shall be excavated where required to accommodate bells and joints.
9) Keep trenches free of water. Include cost of dewatering in unit price bid for
pipe. No separate payment for dewatering will be made by the County.
10) Properly brace sheet and support trench walls as soil conditions require and
in strict conformance with the approved plans,all pertinent laws,and OSHA
regulations. Provide adequate bracing and shoring to protect adjacent
improvements. Contractor shall provide certification for all
premanufactured trench bracing devices prior to any excavation activities.
c) Pipe Bedding
1) Gravity Sewer Mains — Refer to Brunswick County gravity sewer pipe
bedding Standard Detail:
For ravi mains less than twenty 20 feet deepundercut
Class A bedding: gravity y( )
trench bottom six (6) inches minimum below pipe and fill with size #57
stone up to and including the springline of the pipe.
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July 2015 Brunswick County Engineering Department Revision 1.01
Class B bedding: For gravity mains greater than twenty (20) feet deep
undercut trench bottom six (6) inches minimum below pipe and fill with
size#57 stone to six(6) inches above the pipe.
2) Pressure Mains, Water or Sewer- it is not necessary to bed pressure mains
unless unusually wet or mucky field conditions are encountered. Pressure
mains shall be installed in properly excavated trenches on the native soil of
the trench. If wet or mucky field conditions are encountered then size #57
stone shall be used to provide a firm bedding but only at the direction of the
Engineer or County staff.
3) Service Pipe—bedding is not required on water and sewer service laterals
unless unusual conditions are encountered in the field. In these cases the
Contractor shall bed the service pipe per direction from the Engineer or
County staff.
d) Initial and Final backfilling
1) After properly installing the pipe and bedding, if required, trench backfill
shall progress as rapidly as pipe laying will permit.
2) Backfill materials shall be of suitable material and be capable of being
compacted to a minimum of ninety-eight (98) percent ASTM D698
(Standard Proctor)maximum density at optimum moisture content.
3) Initial and Final backfill shall be of the Type 1 or Type II material as
follows:
a) Type 1 Material: Excavated material from the trench or materials
from other sources which are free from large clods, roots or stones
larger than 1 inch may be used as initial backfill in trenches (see
Pipe Trench Detail).
b) Type 2 Material: Excavated material from the trench or materials
from other sources which are free from large clods, roots or stones
larger than 8 inches may be used as final backfill in trenches but
shall not be used in the final twelve (12) inches of fill (see Pipe
Trench Detail).
4) Backfill around the pipe by placing in layers no more than six(6) inches in
depth. Backfill shall be compacted with light tamps for the full width of the
trench to provide adequate support for the bottom and sides of the pipe.
Backfill shall be carried up evenly on both sides of the trench excavation.
Particular care is required in backfilling gravity sewer pipe to prevent
excessive pipe deflection.
e) Compaction
1) When existing plans and grades require the use of fill to reach the required
elevation, the contractor shall deposit suitable material from previously
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July 2015 Brunswick County Engineering Department Revision 1.01
excavated areas or use borrow material. Such material shall be free from
debris, roots,trash, stones, or other harmful substances,and shall be spread
in successive layers of loose material not more than six(6) inches in depth.
2) Each layer shall be spread uniformly by motor grader or other approved
device and rolled with an approved tamping or three-wheeled power roller
until thoroughly compacted to a minimum of ninety-eight (98) percent
ASTM D698 (Standard Proctor) maximum density at optimum moisture
content. Rolling with rubber tired vehicles or track type equipment will not
be allowed.
6.0 Crushed Stone
a) Crushed stone shall be size# 57 washed stone only
7.0 Concrete
a) Concrete placed for cradles, thrust blocks, or encasement shall be 3,000 psi
minimum strength at twenty-eight(28) days hydration.
8.0 Foundation
a) Foundation shall be required in wet, yielding and mucky locations. Foundation
shall be constructed by removal of wet, yielding or mucky material and its
replacement with sufficient Class I material to correct the instability. Foundation
shall only be installed with the approval of the Engineer or Brunswick County staff.
Undercutting and filling with stone will not be allowed or paid for in order to
control water in the excavation trench.
9.0 Undercutting
a) Undercutting, unless authorized by the Engineer, shall be replaced and compacted
at the contractor's expense. If the material, after excavation to subgrade, is found
to be soft, spongy or unfit for use as subgrade, such unsuitable material shall be
removed to a depth as directed by the Engineer and the subgrade shall be brought
to proper elevation by filling with suitable material from the excavation or from an
approved borrow site.
10.0 Borrow Material
a) The Contractor will supply all borrow material necessary and will provide all labor
and equipment necessary to dig and haul such borrow material. Any and all borrow
material utilized shall be of suitable quality and meet the requirements of this
technical specification.
11.0 Excess Water Control
a) Grade and maintain all areas of the site to preclude surface runoff into excavations
and prevent any water accumulation in the excavation.
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July 2015 Brunswick County Engineering Department Revision 1.01
b) Excavations should be kept free of surface water and/or groundwater. Provide and
maintain at all times the necessary means and devices to prevent water from
entering the excavations and for removing all water entering the excavations during
pipe laying operations. Dewatering shall continue until structure is backfilled and
compacted.
c) Include cost of dewatering in the unit cost for pipe. Separate payment will not be
made for dewatering operations by Brunswick County.
12.0 Contaminated Soils—Excavation,Removal,and Remediation
a) In the event that contaminated soils are suspected or encountered the contractor
shall stop digging in the suspect area and immediately notify both the Engineer and
Brunswick County staff.
b) It shall be the utility contractor's responsibility to hire a soils testing firm to
examine the suspect area for type and density of contamination. Should testing
confirm the presence of contaminated soils,the following steps shall be taken:
1) Excavate contaminated material in a manner consistent with all
jurisdictional regulations.
2) Immediately remove contaminated material from the site. Contaminated
materials may not be stockpiled for any amount of time.
3) Material is to be disposed of at a permitted facility. Tickets must be
produced to the Engineer and County staff accounting for every cubic yard
of material removed.
4) Per direction of the Engineer and/or Brunswick County,the pipe material
shall be changed to pressure class 350 DIP with Nitrile gaskets.
5) The trench is to be bedded and backfilled with select fill per Brunswick
County specifications herein.
13.0 Field Quality Control
a) Field inspection, sampling and testing will be performed as required at either the
direction of the Engineer or Brunswick County
b) If required, an independent soils engineering and testing laboratory shall perform
sufficient tests and inspection procedures, to the satisfaction of the Engineer and
the County, both in the field and lab to ensure that the provisions of this
aremet. sh
all The testing sha 1 be paid by the utility contractor. The testing
lab shall be approved by the Engineer and/or Brunswick County.
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March 2017 Brunswick County Engineering Department Revision 1.02
Technical Specification 015
DIRECTIONAL DRILLING
1.0 General
a) The intent of this specification is to provide general technical guidance to the
utility contractor for the installation of pipelines using horizontal directional
drilling(HDD)techniques.
b) The utility contractor shall furnish all labor, materials, equipment, and incidentals
required to successfully perform the installation of water, wastewater, and
reclaimed water mains at locations shown on the plans by using horizontal
directional drilling (HDD)methods.
c) The pipeline shall be complete with all accessories and shall have passed all
required testing per the contract documents and other county requirements.
d) The utility contractor shall have made all inspections of the area(s) within the
vicinity of the project and the immediate area of the work and become thoroughly
familiar with the natural and manmade features encompassed about the project.
2.0 Quality Assurance
a) Requirements
1) At the discretion of Brunswick County, it may be required that the utility
contractor be prequalified and approved through a prequalification
process. The utility contractor must furnish references able to attest to
his capabilities in accordance with the prequalification process.
2) The utility contractor shall comply with North Carolina OSHA Standards,
Underwriter Laboratories standards, and other requirements of the
Authority Having Jurisdiction(AHJ).
b) Reference Standards
1) Comply with applicable provisions and recommendations of the
following, except as otherwise shown or specified:
a) ASTM D-1248 and D-3350
b) AWWA C901 or C906
c) NSF 61
d) ASTM D2683 or D3261
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March 2017 Brunswick County Engineering Department Revision 1.02
3.0 Required Submittals
The utility contractor shall submit the following items to the Engineer for review and
approval:
a) Pipe material shop drawings
b) Manufacturer's Installation Manual
c) Certificates: Submit certificates of compliance with referenced standards where
requested by the engineer
d) Field installation drawings indicating layout and depth of directionally drilled
pipe.
e) Record Drawings: During progress of the work, keep an up to date set of
drawings showing field and shop drawing modifications including the drilling
logs. The drawings shall show all piping on plans and in sections, with all
reference dimensions and elevations required for complete record drawings of the
directionally drilled pipe including the drilling logs to be included on the record
drawings.
f) Erosion control plan for the drilling mud pit work area
g) Frack out containment plan for the drilling area
h) Written verification of required pressure testing per county specifications
i) Work Plan: Prior to beginning work, the Contractor shall submit to the Engineer
a work plan detailing the procedure and schedule to be used to execute the
project. The work plan should include a description of all equipment to be used,
down-hole tools, a list of personnel and their qualifications and experience
(including back-up personnel in the event that an individual is unavailable), list of
subcontractors, a schedule of work activity, a safety plan (including MSDS of any
potentially hazardous substances to be used), traffic control plan (if applicable),
an environmental protection plan and contingency plans for possible problems.
Work plan should be comprehensive, realistic, and based on actual working
conditions for this particular project. Plan should document the thoughtful
planning required to successfully complete the project.
j) Equipment: the utility contractor shall submit specifications on directional
drilling equipment to be used to ensure that the equipment will be adequate to
complete the project. Equipment shall include but not be limited to: drilling rig,
mud system, mud motors (if applicable), down-hole tools, guidance system, and
rig safety systems. Calibration records for guidance equipment shall be included.
Specifications for any drilling fluid additives that the utility contractor intends to
use or might use will be submitted. Specifications on material to be used shall be
submitted to engineer. Material shall include the pipe, fittings, and any other
item which is to be an installed component of the project.
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March 2017 Brunswick County Engineering Department Revision 1.02
k) Guidance System: A Magnetic Guidance System (MGS) probe or proven
gyroscopic probe and interface shall be used to provide a continuous and accurate
determination of the location of the drill head during the drilling operation. The
guidance shall be capable of tracking at all depths up to fifty (50) feet and in any
soil condition, including hard rock. It shall enable the driller to guide the drill
head by providing immediate information on the tool face, azimuth (horizontal
direction) and inclination (vertical direction). The guidance system shall be
accurate up to +/- 2% of the vertical depth and accurate to within two and one-
half(2 Y2)feet horizontally from the horizontal alignment shown on the drawings.
4.0 Materials
a) HDPE: Material shall be high-density polyethylene, extra high molecular-weight,
PE3408 pressure rated 200 psi, minimum DR- 9, as manufactured by Plexco or
equal.
b) Fusible PVC: Material shall be fusible C-900 or C-905 polyvinyl chloride (PVC),
minimum DR-18, rated 150 psi (C900) or 235 psi (C905), as manufactured by
Underground Solutions, Inc., or approved equal.
c) Pipe shall be heat fusion welded per the manufacturer's instructions.
d) Mechanical fittings shall be authorized by the manufacturer for use on HDPE and
Fusible PVC and approved by the engineer.
5.0 Testing and Payment
a) Pipe shall be pressure tested after installation per Brunswick County Technical
Specifications and Standard Details for either water distribution or sewer force
main piping systems. If a pipe relaxation period is required, the minimum
relaxation period shall be forty-eight (48) hours or the manufacturer's
recommended relaxation period. After the pipe relaxation period the pipe may
have its initial pressure test. If the initial pressure test is successful, the pipe shall
also be connected to the water or sewer system to be tested again as part of the
overall system pressure test. All connections shall be per county standard detail.
b) County staff, in addition to the engineer, shall be available during the testing for
observation and documentation of the pressure test.
c) All unsuccessful pressure testing will be cause for correction by the utility
contractor at no additional cost to Brunswick County.
d) All trenchless installations shall pass the initial hydrostatic pressure test per
specifications and standard details prior to any payment to any contractor.
6.0 Storage and Handling
a) Handle all pipe and accessories carefully with approved handling devices. Do not
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March 2017 Brunswick County Engineering Department Revision 1.02
drop or roll pipe off trucks. Do not otherwise drop, roll or skid pipe. Materials
cracked, gouged, chipped, dented or otherwise damaged will not be approved or
accepted for use on county systems.
b) Pipe and appurtenances shall be unloaded opposite to or as close to the place
where they are to be laid as is practical to avoid unnecessary handling. Interiors
shall be kept completely free from dirt and foreign matter.
c) The utility contractor shall be responsible for the proper support of the piping to
ensure that the pipe is not over stressed or damaged in any manner.
7.0 Installation
a) General
1) The work shall be performed by the Horizontal Directional Drill (HDD)
Technique. Specific details of installation techniques are the
responsibility of the utility contractor and must fully comply with the pipe
manufacturer's installation recommendations. The county will not direct
"means and methods"to the contractor to be used in installation of the
directional drill pipe other than that pipe must be installed in accordance
with the manufacturer specifications. In general,the work will proceed
as follows:
a) Drill a pilot hole from one side of the crossing to the other. The
pilot hole follows the design centerline of the pipe with the path
recorded and controlled using a specially designed instrument
package situated behind the drill bit.
b) A washover pipe is rotated over the pilot drill string behind the
pilot drill bit and exits with the drill bit on the other side of the
crossing.
c) The drill bit and drill string is withdrawn back through the
washover pipe, leaving the washover pipe in place.
d) A series of tools are connected between the end of the washover
pipe and the wastewater main and/or water main. The drilled hole
is widened to its final diameter with the appropriate tool, head or
cutter. Smooth the wall of the bore and direct bentonite to aid in
the boring operation. A swivel is installed between the tool, head
or cutter and the wastewater main and/or water main to ensure that
no torque is transmitted to the pipe main.
e) After the tools are connected between the washover pipe and
wastewater force main and/or water main, the drill rig will rotate
and pull the washover pipe along the drilled path, with the pipe
following slowly behind.
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March 2017 Brunswick County Engineering Department Revision 1.02
After the pipe is inplace, and after the pipe relaxation period, if
� pp pp
required, it shall be pressure tested per county specifications with a
county representative present.
g) A twelve (12) gauge, steel reinforced, insulated copper locator
wire shall run continuously with and shall be securely fastened to
the water main or forcemain. Refer to county technical
specifications for water mains and force mains, and county
standard details for more information on the required locator wire.
b) Drill Path Geometry
1) The utility contractor is responsible for horizontal and vertical alignment
of the pilot drill and final installed pipe. The pilot drill should conform
to the pipeline alignment as shown on the contract drawings. The utility
contractor shall submit all proposed changes to the vertical alignment
shown on the drawings to the Engineer for approval prior to commencing
work. Under no circumstances shall installed pipe be at a higher
elevation than that shown on the drawings or vary by more than (2 1/2)
feet from the horizontal alignment shown on the drawings.
2) The accuracy of the drill exit point shall be within a (2 1/2) foot horizontal
radius of the design exit point.
3) Entry and exit points shall be located as shown on the contract drawings.
4) The utility contractor shall map to scale the location of each pilot drill
string joint to a minimum horizontal and vertical scale of 1 inch equals 20
feet. The map shall be furnished to the Engineer.
5) Should the utility contractor exceed the limits described above, a new pilot
drill shall be performed at the expense of the utility contractor and at no
cost to the county. The utility contractor may elect to alter the horizontal
geometry of the drilling subject to right-of-way restraints. However,
payment limits are based upon stations given in the bid form, and payment
for directional drilling will be limited to the prices bid therein.
6) If requested by the Engineer and / or County, the utility contractor shall
provide a full explanation of details regarding any technical means,
methods or equipment necessary to accomplish the work described herein.
c) Job Conditions
1) Existing Utilities: The contractor shall be responsible to field locate
existing underground utilities in the areas of work.
a) Should uncharted or incorrectly charted piping or utilities be
encountered during the work, consult piping or utility owner and
engineer immediately for instructions. Cooperate with owner and
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March 2017 Brunswick County Engineering Department Revision 1.02
utility companies in keeping respective services and facilities in
operation. Repair damaged utilities to satisfaction of utility owner.
b) Do not interrupt existing utilities serving facilities occupied and
used by owner or others, except when permitted in writing by
the engineer and then only after acceptable temporary utility
services have been provided.
c) Coordinate with utility companies for shut-off of services, if
required.
2) Do not bring explosives onto site or use in the work. Use of explosive
materials is specifically prohibited.
3) The utility contractor shall conduct all of his operations and maintain the
area of his activities, including sweeping and sprinkling of roadways, so as
to minimize the creation and dispersion of dust.
d) Installation Specialist
1) The utility contractor shall provide the full-time services of a competent
installation specialist during the directional drilling to assist in technical
matters relating to the work. He shall advise the utility contractor on
matters to include, but are not limited to, drilling, pipe support, mapping
of the pipe location, quality assurance of the work, safety or other items as
necessary. Installation specialist may be the contractor's superintendent.
e) Completion of Work
1) Interior of all pipe and fittings shall be inspected and all dirt, gravel, sand,
debris, or other foreign material shall be completely removed from pipe
interior. A bulkhead shall be attached to the end of the pipe prior to
attaching the swivel and barrel reamer to ensure inside of pipe remains
clear during pullback operation.
2) Install all pipes accurately to line and grade shown unless otherwise
approved by the Engineer.
3) Any time that pipe work is not actively in progress the open ends of pipe
shall be closed by a watertight cap.
4) Field cutting pipe, where required, shall be made with a machine specially
designed for cutting piping. Cuts shall be carefully done, without damage
to pipe, so as to leave a smooth end at right angles to the axis of pipe. Cut
ends shall be tapered and sharp edges filed off smooth.
5) At completion of pipe installation, the utility contractor shall install
transition fittings as required to the piping and then cap with watertight
caps or plugs.
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March 2017 Brunswick County Engineering Department Revision 1.02
6) At completion of pipe installation, the utility contractor shall furnish
accurate drill logs indicating placement of pipe as installed. The entire
drill path shall be accurately surveyed with entry and exit stakes placed in
the appropriate locations within areas indicated on drawings. If the utility
contractor is using a magnetic guidance system, the drill path will be
surveyed for any surface geomagnetic variations or anomalies.
8.0 Environmental Controls
a) Disposal of drilling mud:
1) The drilling mud cannot be disposed of on the project site.
2) Off-site disposal of the drilling mud is the utility contractor's
responsibility.
3) The utility contractor shall comply with all applicable laws and regulations
regarding the transport and off-site disposal of the drilling mud and all
excess excavated materials.
4) All costs for proper transport and disposal of drilling mud and all excess
excavated materials shall be included in the price bid for the work.
b) All operations involving drilling mud shall be controlled and monitored by the
utility contractor to ensure containment:
1) The utility contractor shall establish bermed or sandbagged pits of
sufficient sizes to accommodate the volume of drilling mud anticipated
plus a two-foot freeboard. The bermed areas shall be maintained and
designed by the utility contractor to ensure containment and prevent loss
of drilling mud.
2) Transportation of the disposal materials off-site by public roads shall meet
all North Carolina Department of Transportation requirements.
3) Transportation of materials by barge or scow shall be in accordance with
the Corps of Engineers and U.S. Coast Guard requirements.
9.0 Asbuilt/Record Drawings
a) The utility contractor shall deliver the drilling logs to the engineer for inclusion in
the final as-built drawings for the project. The design profile for the directional
drill installation shall be updated with the drilling log data. The drilling logs shall
be incorporated in the final as-built drawings provided by the engineer.
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April 2020 Brunswick County Engineering Department Revision 1.10
Technical Specification 021
LOW PRESSURE SEWER SYSTEMS AND GRINDER PUMPS
1.0 General
a) Gravity sewer systems are the preferred alternative for service to Brunswick
County residential and commercial customers. Some situations require the use of
alternative sewer systems such as vacuum systems or low-pressure sewer systems
utilizing grinder pumps.
b) It is the intent of this specification to provide technical guidance and information
concerning the design and installation of low-pressure sewer systems and grinder
pumps that are permitted and installed in Brunswick County's Public
Utilities' service area.
c) The design engineer shall be familiar with all NCDEQ / DWQ rules and
minimum design criteria for low pressure sewer systems and grinder pumps.
d) Refer to the design section -- Part E -- of this Design Manual for detailed design
guidance for low pressure sewer systems utilizing grinder pumps.
2.0 Low Pressure Sewer System Main and Service Lateral Materials
a) Low pressure sewer system mains shall be:
1) PVC pipe manufactured in accordance with ASTM D1785,ASTM D2241,
ASTM D2672, or AWWA C900 as follows:
• Pipes (2)—(4) inches diameter: minimum SDR-21
• Pipes larger than(4) inch diameter: minimum DR-18
• Pipes less than (2) inch diameter: SDR-21 and/or Schedule 40 PVC
• All low-pressure sewer main piping installed in NCDOT rights-of-way
shall be minimum DR-18
2) DIP manufactured in accordance with AWWA C150 and 151 with pressure
Class 350 (only with express written approval from county Public Utilities
or Engineering Department)
3) HDPE pipe manufactured in accordance with ASTM D2239, D3035, or
AWWA C901.
4) Fusible PVC pipe manufactured in accordance with AWWA C900 with
ASTM cell classification 12454.
5) ABS pressure pipe is prohibited for low pressure sewer systems in
Brunswick County.
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April 2020 Brunswick County Engineering Department Revision 1.10
b) All low-pressure sewer pipes shall be marked with diameter, manufacturer's name
or trademark, pressure pipe type, grade and class, and shall be clearly visible for
inspection purposes.
c) All piping shall be installed in accordance with force main piping requirements
per Brunswick County Technical Specification TS 022: Waste Water Force
Mains and all NCDEQ/DWQ guidance document requirements.
d) The sewer mains shall be located,to the maximum extent possible, in areas where
damage is less likely and disruption to the neighborhood is minimized.
e) Low pressure sewer system mains installation and testing:
1) Install low pressure sewer pipe with a minimum cover depth of thirty-six
(36)inches,unless approved in writing by Brunswick County. Limit trench
widths to disturb as little undisturbed soil as possible. Trench backfill
beneath pavement should be compacted in nine-inch lifts.
2) Provide thrust restraint as required at all bends greater than (22.5) degrees
and all tees, wyes, stops, valves or changes in pipe size, or per written
approval of plans. Concrete thrust blocking and restrained joints are
acceptable forms of thrust restraint per county standard details.
3) Prior to commencement of pressure and leakage tests, all piping shall be
pigged or flushed at minimum of(2.5) feet per second velocity to result in
at least a 100%turnover of the water in the pipeline.
4) All piping shall be tested to (150) percent of the maximum operating
pressure — (100) psig minimum - for a period not less than (2) hours and
shall be witnessed by the design engineer and county staff.
5) For water main crossings refer to Brunswick County's Water and Sewer
Crossings Standard Details and comply with all DEQ / PWSS / DWQ /
NCAC rules on water and sewer main crossings.
f) Low pressure sewer service laterals shall be:
1) (1.5)inch for residential,or(2.0)inch for commercial,AWWA C901,SDR-
9,polyethylene (PE) CTS, with a minimum pressure rating of(200)psi.
2) Service taps and laterals shall consist of the tapping saddle and valve,
service line tubing, and the service box. No joints are permitted in the
service lateral from the main to the service box. The service box shall be
located in non-traffic areas. Driveways shall not be formed around service
boxes and the nearest distance from the service box to the driveway shall be
no less than eighteen (18) inches. Service boxes shall contain an isolation
plug valve and check valve with the isolation valve installed between the
main and the check valve to allow for check valve replacement. The lid of
the service box shall be marked SEWER and the lid painted green.
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April 2020 Brunswick County Engineering Department Revision 1.10
3) Refer to county low pressure system standard details for more information.
g) Push on joints shall be:
1) A single elastomeric gasket type with a pressure rating not less than the pipe
pressure rating and meeting the performance requirements of ASTM
D3139.
h) Restrained joints (RJ) shall be:
1) Required where indicated on the approved drawings.
2) DIP: the restrained joint system shall have a pressure rating equal to or
greater than that of the pipe on which it is used;push—on type joints shall
be a standard manufacturer's RJ system such as Snap-Lock (Griffin Pipe),
T R Flex (U.S. Pipe), Clow Super Lock, or written approved equal;
mechanical type joints shall be Meg-A-Lug (EBAA Iron), Cam-Lock,
Sigma Corporation, or written approved equal.
3) PVC: the restrained joint system shall have a pressure rating equal to or
greater than that of the pipe on which it is used; push—on type joints shall
be a standard manufacturer's RJ system such as Snap-Lock (Griffin Pipe),
T R Flex (U.S. Pipe), Clow Super Lock, or written approved equal;
mechanical type joints shall be Meg-A-Lug (EBAA Iron), Cam-Lock,
Sigma Corporation, or written approved equal.
4) All retainer gland type RJ shall be Meg-A-Lug (EBAA Iron), Cam-Lock,
Sigma Corporation, or written approved equal.
5) PVC and/or DIP to IPS pipe: deep bell, ductile iron,with knuckle restraint,
as manufactured by Sigma, HARCO, or written approved equal.
i) Vent pipe (if required for floodplain applications) shall be:
1) (2)inch, Schedule 80 PVC,vented through the side wall of the grinder tank,
and shall replace the standard top mounted mushroom vent, and the vent
pipe opening shall be screened and terminate a minimum of(2) feet above
the (100)year flood elevation or as directed by the Engineer.
j) Fittings shall be:
1) Fittings for PVC pipe three (3) inches and smaller: deep bell, ductile iron,
with knuckle restraint, as manufactured by Sigma, HARCO, or written
approved equal. Glue joint fittings are also acceptable for PVC pipe three
(3) inches and smaller.
2) Fittings for PVC pipe four(4)inches and larger:AWWA C115,ductile iron
shall have a ceramic epoxy Protecto 401, Ceramapure PL90, lining, or
written approved equal,with the exterior coated with coal tar epoxy or other
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April 2020 Brunswick County Engineering Department Revision 1.10
bituminous coating to resist ground corrosion, as manufactured by Sigma,
HARCO,or written approved equal.
k) Air Release Facilities:
1) Air release facilities shall be similar to that specified in the Brunswick
County Technical Specification TS 022: Wastewater Force Mains. Air
release facilities shall be located at summits of all pressure sewer systems
and properly sized to prevent buildup of air or gases.
2) All air releases shall be automatic type. Manual air releases are not
permitted. Comply with all NCDEQ/DWQ/NCAC rules on locations of
air release valves.
3) Boxes and vaults for air release facilities,cleanouts and other appurtenances
shall be sized to permit easy removal of the facilities and permit operations
of the valves. "Sewer" shall be clearly marked on the box or vault cover.
per county standard details.
1) Locating wire and marker balls:
1) All low-pressure sewer main piping shall have a #12 AWG, high strength
copper clad steel conductor (HS-CCS) such as Copperhead Superflex, Pro
Trace High Flex, or written approved equal, with HDPE insulation, and
rated for direct burial. Listed and written approved underground connectors
shall be used for all splices. The wire shall be brought up into a valve box
at(1,000) feet maximum intervals to provide wire access points. The wire
shall be taped to the top of the low-pressure sewer main at minimum ten
(10)foot intervals.
The contractor shall be required to perform a signal strength test of the
installed tracer wire at the end of the installation with County staff present.
marker balls maybe
2) In addition to the tracing wire, electronic required on
the low-pressure sewer main. Refer to Brunswick County Technical
Specification TS 035: Electronic Markers for Water and Sewer Pressure
Mains for technical and installation requirements.
m) Low pressure connection to existing county sewer system:
1) All low-pressure connections to gravity sewer systems shall be made at a
manhole and enter at the existing invert to minimize turbulence of flow and
the release of hydrogen sulfide gas. If the low-pressure sewer main cannot
enter at the existing invert, then a restrained joint inside drop must be
constructed per county standard details.
2) Where low-pressure sewer mains connect to an existing gravity sewer
manhole, the manhole shall be polymer concrete or plastic polypropylene
to protect against hydrogen sulfide corrosion per Brunswick County
Technical Specification TS 020: Gravity Sanitary Sewer Systems—Section
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April 2020 Brunswick County Engineering Department Revision 1.10
5.0 (c) (11). If the existing manhole is concrete, either it shall be replaced
by a plastic polypropylene or precast polymer concrete manhole, or a
transitioning manhole made of polymer concrete or polypropylene shall be
added. If a transitioning manhole is installed, the distance between the
existing manhole and the transitioning manhole shall be no less than thirty-
six(36)inches unless otherwise approved in writing by county staff. Where
pressurized sewer mains connect to a gravity sewer manhole, the inside
diameter of the manhole shall be four(4) feet minimum.
3) For new low-pressure sewer mains connecting to an existing county gravity
system that requires the cut in of a new manhole:
The new sewer manhole shall be plastic polypropylene or precast polymer
concrete sections conforming to applicable standards outlined in Brunswick
County Technical Specification 020: Gravity Sanitary Sewer System
Section 5, and ASTM C478, as manufactured by Nyloplast ® ADS,
Armorock,Meyer Polycrete,or written approved equal. Riser section joints
shall be bell and spigot / ship-lap design seamed with butyl mastic and/or
rubber gaskets (ASTM C 990) so that on assembly the manhole base,
riser(s),and top sections make a continuous and uniform manhole structure.
A carbon filter must be provided on any manhole that has a low-pressure
sewer system connection.
n) In-line cleanouts and shutoff valves:
1) In-line cleanouts and shutoff valves shall be provided on low pressure sewer
main lines per county standard detail.
2) Spacing of cleanouts and shutoff valves shall not be less than six hundred
(600)feet of main line in high density areas and not less than one-thousand
(1,000) feet in low density areas.
3) Cleanouts shall be provided on the upstream side of all directional drills
with a vertical elevation change of ten (10)feet or greater.
4) In-line isolation valves are required of both sides of all directional drills per
county standard detail.
3.0 Packaged Grinder Pump Systems
a) Simplex residential packaged low-pressure sewer grinder pumps shall be:
1) Barnes OGP 2 HP,or written approved equal
b) Commercial and industrial duplex pump stations shall typically be permitted in the
owner's name and shall be operated and maintained by the owner. The design
engineer shall model the system and select a pump with the appropriate discharge
head conditions to operate satisfactorily under all operating conditions. Contact
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April 2020 Brunswick County Engineering Department Revision 1.10
county engineering staff for assistance with system modeling information and
sewer system pressure data.
Per the county Grinder Pump Maintenance Program, duplex pump stations may be
permitted in the county's name for operation and maintenance in limited
applications. In these limited applications, the engineer shall use the Barnes OGP
two (2) HP pump system, or written county approved equal, and shall verify its
adequacy for the design flow and discharge head conditions. A duplex grinder
pump station permitted in the county's name shall only serve one building. Any
proposed pump station that requires a larger pump horsepower will not be accepted
for county ownership and maintenance.
c) Packaged System Requirements
1) Wetwell:
Fiberglas,minimum storage of three hundred and sixty(360)gallons above
the PUMP OFF level, (4) inch diameter PVC inlet flange for Schedule 40
PVC sanitary line, pump discharge brass adapter socket, easily adaptable
to either (1.5) inch for residential, or (2) inch for commercial applications,
PVC or HDPE pipe materials, aluminum lid, mushroom vent on tank lid,
extended base, integral to the tank,for anchoring the anti-flotation concrete
ballast to tank,contractor shall provide concrete ballast as required,wet well
shall not be installed in the rear of the house or inside any fenced area,
removal of pumps and / or operation of discharge valve shall not require
personnel entry into the tank.
For floodplain applications: watertight lid, solid, no mushroom vent on lid,
(2) inch NPT female hub shall be provided in place of the mushroom vent
for installation by the contractor for side wall venting of the tank utilizing
Schedule 80 PVC vent piping.
2) Pump and motor:
Vertical rotor, motor driven, solids handling type, double 0-ring seal at all
casting joints, pump castings cast iron, fully epoxy coated 8-10 mils
nominal dry thickness, rotor shall be stainless steel, through-hardened,
polished, maximum discharge pressure shall not exceed 150 psi, minimum
1.0 HP with 2.0 HP standard.
3) Electrical:
240 VAC, 60 Hz, single phase, 3450 RPM, pump cord length (15) feet
minimum,UL and CSA listed,quick connect cord for watertight attachment
to pump.
Note: Pumps will not operate on 208 VAC circuits and shall not be
connected to 208 VAC circuits. Buildings with 208 VAC electrical systems
shall require a 208/240 VAC transformer to provide the required 240 VAC.
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April 2020 Brunswick County Engineering Department Revision 1.10
4) Grinder:
Mounted directly below the pumping elements, direct-driven, fastened to
the pump motor shaft by means of a threaded connection only, cutter teeth
hardened to Rockwell 50-60 for abrasion resistance, solids must be fed in
an upward flow direction.
5) Integral Check Valve:
Factory installed, gravity operated, flapper type integral check valve built
into the stainless-steel discharge piping, must provide a full-ported
passageway when open, working parts constructed of 300 series stainless
steel and fabric reinforced synthetic elastomer to ensure corrosion
resistance.
6) Level Controls:
Starting controls to be located in the cast iron enclosure of the core unit —
plastic enclosure for starting controls is not acceptable, provide float
switch type level controls for PUMP OFF, PUMP ON, and HIGH LEVEL
ALARM in the wet well for simplex grinder pump stations, provide float
switch type level controls for PUMPS OFF,LEAD PUMP ON,LAG PUMP
ON, and HIGH LEVEL ALARM for duplex grinder pump stations, pump
on/ off and high level alarm functions shall not be controlled by the same
switch.
Float switches shall consist of a mercury tube switch sealed within a
corrosion resistant polypropylene housing with a minimum (18) gauge, (2)
wires, SJOW/A jacketed cable. The cable shall be of sufficient length to
reach the connection junction box without splicing. The floats shall be
suspended from a stainless-steel support bracket mounted inside the wet
well such that any adjustment or replacement may be done without entering
the tank. Float level controls shall be UL/CSA listed and approved.
7) Power and Control Cables:
The power and control cables shall be a minimum of(25) feet long or as
needed to connect the wet well to the pump control panel. The power and
control cables shall not be spliced between the wet well and pump control
panel. The cables shall be UL / CSA listed and approved. The power and
control cables shall be installed in minimum (1.5) inch PVC conduit
(simplex pump)and minimum(2.0)inch PVC conduit(duplex pumps).The
conduit ends shall be sealed at each end with non-hardening duct sealant.
At the discretion of Brunswick County Public Utilities a direct burial rated
power and control cable assembly may be utilized. Any direct burial cable
assembly shall be UL/CSA listed and approved.
Connection of power and control cables at the wet well shall be a sealed
watertight connection. Power cable shall be sealed at the motor and
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April 2020 Brunswick County Engineering Department Revision 1.10
clamped in place with a rubber watertight seal bushing to seal the outer
jacket against leakage and to provide for strain relief. Cables shall
withstand a pull of 300-pound force.
8) Control Panel:
Automatic control panel,NEMA 4X rated, UV resistant,UL listed for wall
or pole mounting, hinged, lockable cover, high level alarm with red lexan
(polycarbonate) alarm light and alarm horn, must be mounted so the alarm
light is visible from the street, control panel must be within line-of-sight of
the wet well, a placard shall be affixed to the control panel with the
Brunswick County Public Utilities emergency phone number on the placard
for the owner's use and a 2nd copy of the placard placed inside the panel.
All internal wiring to be neat and color coded. A schematic wiring diagram
shall be permanently affixed to the inside of the panel door. An
installation and service manual for each control panel shall be provided
Brunswick County Public Utilities.
All conduits shall enter the bottom of the control panel and utilize a
watertight hub—Myers or written approved equal.
9) Local Disconnects:
Simplex Pump local disconnect: Single family residential grinder pumps
are required to have the pump alarm and control circuit powered
independently of the pump power circuit. Therefore,two local disconnects
are required adjacent to the grinder pump control panel:
Pump Alarm& Control Circuit: 120 VAC, single phase, (15) amperes,
single pole disconnect
Pump Power Circuit: 240 VAC,single phase, (30)amperes,double
pole disconnect
Disconnects shall be UL listed and rated for outdoor applications and
installed per all NEC and Authority Having Jurisdiction (AHJ)
requirements.
The disconnects are required on the homeowner's branch circuit supplying
the grinder pump panel and shall be installed before county staff will
energize the grinder pump system.
Duplex Pump local disconnect: 240 VAC, double pole, single phase, (60)
ampere rated electrical disconnect is required adjacent to the grinder pump
control panel. Disconnect to be UL listed and rated for outdoor applications
and installed per all NEC and Authority Having Jurisdiction (AHJ)
requirements.
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April 2020 Brunswick County Engineering Department Revision 1.10
This disconnect is required on the branch circuit supplying the duplex
grinder pump panel and shall be installed before county staff will energize
the grinder pump system.
10) Warranty:
Minimum (2) year parts and labor warranty on the complete station and
accessories,including,but not limited to,the control panel,pump and motor
assembly, and integral check valve.
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