Embed Size (px)
Citation preview
Dominion Energy North Carolina 800 Gaston Road, PO Box 1398 Gastonia, NC 28053 DominionEnergyNC.com
August 19, 2021
Ms. Antonia DunstonInterm Chief Clerk
North Carolina Utilities Commission
4325 Mail Service Center
Raleigh, North Carolina 27699-4325
Re: Docket No. G-100, Sub 92
Dear Ms. Dunston:
Pursuant to the Commission’s Order dated October 31, 2012, in the above
referenced docket, enclosed are pipeline construction specifications for the following
projects:
Ref No. Description
932 M-068 Phase 2 From Olive Chapel Rd To T-021, Cary, NC (See attached
As-Built G2 and G3)
941 T11A Mannix Rd, Durham, NC (See attached As-Built G2 and G3)
944 M-411 Extension at 1 Becton Cir, Durham, NC (See attached As-Built G2 and
G3)
952 T-39 Replacement at Rosecraft Ln, Candler, NC (See attached G2)
If you have any questions or comments regarding this filing, please do not hesitate to
call me. Thank you for your assistance in this matter.
Sincerely,
Electronically submitted
/s/ Glory J Creel
Rates & Regulatory
PIPELINE DESIGN DATA
North Carolina Utilities Commission Form G-2
Company: Public Service Company of North Carolina, Inc. PSNC Project Number: P66042
Date Prepared: 19-Aug-21 Year Installed: 2021
Location of Line: Map Reference Number: 932
Length: 30,122 feet of 12 inch steel main
Estimated Date of Starting Construction: 8-Jul-20
Estimated Date Line Will Go Into Operation: 1-May-21
Contractors
Coating: Consolidated Pipe and Supply Co. Inc.
Pipeline: B&G
Testing: Hydrostatic Testing - Pipeline Contractor
Non-destructive Weld Testing - Mistras
Pipeline Specifications
Specification of pipe: API 5L PSL Minimum specified yield (S): 60,000 psi
Grade of pipe: X60 PSL 2
Nominal outside diameter of pipe (D): 12.75 inches
Nominal wall thickness (t): 0.281 inches
Longitudinal joint: ERW Joint factor (E): 1
Gas temperature: 58 degrees F Temperature factor (T): 1
Actual class location: 3
Design class location: 3 Design factor (F): 0.5
Type coating applied: Fusion Bonded Epoxy
Type of cathodic protection: Rectifier
Minimum Valve Specifications
Manufacturer: Model: Type: Material: Size: ASA: Mfg's. Test Pressure: Design Pressure:
Cameron W/W Ball Steel Steel 12" ANSI 600 2220 psi 1480 psi
psi psi
psi psi
Manufacturer: Model: Type: Material: Size: ASA: Design Pressure:
TD Williamson T.O.R. Steel 2" N/A 3600 psi
psi
psi
Hydrostatic Field Test
Medium: Water Test Period: 8 hours Test Pressure: 2051 psi
M-068 Phase 2 from Olive Chapel Rd and to T-021, Cary, NC (As-Built)
Pipe Design
1. Steel Pipe Design Pressure:
P = 2St * F * E * T = 1322 psi
D
Mill Test Pressure: 1520 psi
2. Design Pressure of weakest component: main, fittings, valves, or other accessories: 1322 psi
3. Test Pressure divided by the appropriate factor for the class location included: 1367 psi
4. For Furnace Butt Welded steel pipe, a pressure equal to 60 percent of the
Mill Test Pressure: N/A
5. For other than Furnace Butt Welded pipe. A pressure equal to 85 percent of
the highest test pressure to which the pipe has been subjected, either Mill or Field Test: 1743 psi
6. The highest actual operating pressure to which the line was subjected
during the five years preceding July 1, 1970: N/A
7a. The pressure determined to be the maximum safe pressure after considering the
physical history of the line: 500 psi
8. Maximum Allowable Operating Pressure considering 1 through 7: 500 psi
9. Hoop Stress (HP) = Max. Allowable Operating Pressure x O.D. = 11,343 psi
2t
10. Percent Specified Minimum Yield Strength (SMYS) = HS X 100 = 18.91%
S
Actual Operating Conditions
Maximum Actual Operating Pressure: 500 psi
Hoop Stress (HS) = Max. Actual Operating Pressure x O.D. = 11,343 psi
2t
Percent Specified Minimum Yield Strength (SMYS) = HS X 100 = 18.91%
S
Remarks:
164 33 2 AD13City Key Sheet Grid
T-line
M-068
Nearest Intersection:
(Or Other Location) Olive Chapel Rd at New Hill Olive Chapel Rd in Apex NC
M-line
Line Number:
Additional Description
Purpose of Work:
Map Location:
Revised on 8/18/2021 by Josue Alcaraz to update year installed, length, pipeline contractor, non-destructive weld testing
contractor, minimum fitting specifications and pressure test parameters per actual installation records.
This project will install 72,147 feet of M-068 distribution pipeline on multiple road
shoulders between Olive Chapel Rd in Apex to T-021 off of Kit Creek Rd. This Revised
0
PIPELINE DESIGN DATA
North Carolina Utilities Commission Form G-2
Company: Public Service Company of North Carolina, Inc. PSNC Project Number: 70607
Date Prepared: 19-Aug-21 Year Installed: 2021
Location of Line: Map Reference Number: 941
Length: 18 feet of 10 inch steel main
Estimated Date of Starting Construction: 15-Feb-21
Estimated Date Line Will Go Into Operation: 22-Feb-21
Contractors
Coating: Consolidated Pipe and Supply Co. Inc.
Pipeline: B&G Pipeline Co
Testing: Hydrostatic Testing - Pipeline Contractor
Non-destructive Weld Testing - QSL
Pipeline Specifications
Specification of pipe: API 5L PSL Minimum specified yield (S): 52,000 psi
Grade of pipe: X52 PSL 2
Nominal outside diameter of pipe (D): 10.75 inches
Nominal wall thickness (t): 0.25 inches
Longitudinal joint: ERW Joint factor (E): 1
Gas temperature: 58 degrees F Temperature factor (T): 1
Actual class location: 3
Design class location: 3 Design factor (F): 0.5
Type coating applied: Fusion Bonded Epoxy
Type of cathodic protection: Rectifier
Minimum Valve Specifications
Manufacturer: Model: Type: Material: Size: ASA: Mfg's. Test Pressure: Design Pressure:
psi psi
psi psi
psi psi
Manufacturer: Model: Type: Material: Size: ASA: Design Pressure:
TD Williamson Stopple TDW LOR PLUS CL 600 Steel 10" ANSI 600 1255 psi
TD Williamson T.O.R. Steel 2" N/A 3600 psi
psi
Hydrostatic Field Test
Medium: Water Test Period: 8 hours Test Pressure: 1946 psi
T11A Mannix Rd, Durham, NC (As-Built)
Pipe Design
1. Steel Pipe Design Pressure:
P = 2St * F * E * T = 1209 psi
D
Mill Test Pressure: 2060 psi
2. Design Pressure of weakest component: main, fittings, valves, or other accessories: 1209 psi
3. Test Pressure divided by the appropriate factor for the class location included: 1297 psi
4. For Furnace Butt Welded steel pipe, a pressure equal to 60 percent of the
Mill Test Pressure: N/A
5. For other than Furnace Butt Welded pipe. A pressure equal to 85 percent of
the highest test pressure to which the pipe has been subjected, either Mill or Field Test: 1751 psi
6. The highest actual operating pressure to which the line was subjected
during the five years preceding July 1, 1970: N/A
7a. The pressure determined to be the maximum safe pressure after considering the
physical history of the line: 800 psi
8. Maximum Allowable Operating Pressure considering 1 through 7: 800 psi
9. Hoop Stress (HP) = Max. Allowable Operating Pressure x O.D. = 17,200 psi
2t
10. Percent Specified Minimum Yield Strength (SMYS) = HS X 100 = 33.08%
S
Actual Operating Conditions
Maximum Actual Operating Pressure: 800 psi
Hoop Stress (HS) = Max. Actual Operating Pressure x O.D. = 17,200 psi
2t
Percent Specified Minimum Yield Strength (SMYS) = HS X 100 = 33.08%
S
Remarks:
120 20 2 AS27City Key Sheet Grid
Line Number:
Additional Description
Purpose of Work:
Map Location:
Revised on 8/9/2021 by Josue Alcaraz to update length, non destructive weld testing contractor, fitting specifications, test
pressure parameters per actual installation records.
Section is being repaced due to internal wall loss found during an ILI run
T11A
T-line
0
Nearest Intersection:
(Or Other Location) 2874' north of Mannix Dr, parallel to Redwood Rd
M-line
PIPELINE DESIGN DATA
North Carolina Utilities Commission Form G-2
Company: Public Service Company of North Carolina, Inc. PSNC Project Number: 70534
Date Prepared: 19-Aug-21 Year Installed: 2021
Location of Line: Map Reference Number: 944
Length: 952 feet of 6 inch steel main
Estimated Date of Starting Construction: 10-Mar-21
Estimated Date Line Will Go Into Operation: 1-Aug-21
Contractors
Coating: Consolidated Pipe and Supply Co. Inc.
Pipeline: ITS
Testing: Hydrostatic Testing - Pipeline Contractor
Non-destructive Weld Testing -
Pipeline Specifications
Specification of pipe: API 5L PSL Minimum specified yield (S): 52,000 psi
Grade of pipe: X52 PSL 2
Nominal outside diameter of pipe (D): 6.625 inches
Nominal wall thickness (t): 0.188 inches
Longitudinal joint: ERW Joint factor (E): 1
Gas temperature: 58 degrees F Temperature factor (T): 1
Actual class location: 3
Design class location: 3 Design factor (F): 0.5
Type coating applied: Fusion Bonded Epoxy
Type of cathodic protection: Rectifier
Minimum Valve Specifications
Manufacturer: Model: Type: Material: Size: ASA: Mfg's. Test Pressure: Design Pressure:
Kerotest WXW Gate Steel 6" ANSI 150 427 psi 285 psi
psi psi
psi psi
Manufacturer: Model: Type: Material: Size: ASA: Design Pressure:
TD Williamson Stopper TDW Shortstopp Steel 4" x 6" ANSI 150 280
psi
psi
psi
Hydrostatic Field Test
Medium: Water Test Period: 8 hours Test Pressure: 1950 psi
M-411 at 1 Becton Cir. Durham NC
Pipe Design
1. Steel Pipe Design Pressure:
P = 2St * F * E * T = 1476 psi
D
Mill Test Pressure: 2210 psi
2. Design Pressure of weakest component: main, fittings, valves, or other accessories: 280 psi
3. Test Pressure divided by the appropriate factor for the class location included: 1300 psi
4. For Furnace Butt Welded steel pipe, a pressure equal to 60 percent of the
Mill Test Pressure: N/A
5. For other than Furnace Butt Welded pipe. A pressure equal to 85 percent of
the highest test pressure to which the pipe has been subjected, either Mill or Field Test: 1879 psi
6. The highest actual operating pressure to which the line was subjected
during the five years preceding July 1, 1970: N/A
7a. The pressure determined to be the maximum safe pressure after considering the
physical history of the line: 250 psi
8. Maximum Allowable Operating Pressure considering 1 through 7: 250 psi
9. Hoop Stress (HP) = Max. Allowable Operating Pressure x O.D. = 4,404 psi
2t
10. Percent Specified Minimum Yield Strength (SMYS) = HS X 100 = 8.47%
S
Actual Operating Conditions
Maximum Actual Operating Pressure: 250 psi
Hoop Stress (HS) = Max. Actual Operating Pressure x O.D. = 4,404 psi
2t
Percent Specified Minimum Yield Strength (SMYS) = HS X 100 = 8.47%
S
Remarks:
120 9 5 A121City Key Sheet Grid
Line Number:
Additional Description
Purpose of Work:
Map Location:
Revised on 8/9/2021 by Josue Alcaraz to update length, pipeline contractor, non-destructive weld testing contractor, valve
specifications, fitting specifications and test pressure parameters per actual installation records.
To extend M-411 to serve industrial customer
0
T-line
M-144
Nearest Intersection:
(Or Other Location) Project will be on Becton Cir near International Dr in Durham NC
M-line
PIPELINE DESIGN DATA
North Carolina Utilities Commission Form G-2
Company: Public Service Company of North Carolina, Inc. PSNC Project Number: 69209
Date Prepared: 19-Aug-21 Year Installed: 2021
Location of Line: Map Reference Number: 952
Length: 180 feet of 12 inch steel main
Estimated Date of Starting Construction: 19-Sep-21
Estimated Date Line Will Go Into Operation: 22-Oct-21
Contractors
Coating: Consolidated Pipe and Supply Co. Inc.
Pipeline: TBD
Testing: Hydrostatic Testing - Pipeline Contractor
Non-destructive Weld Testing - TBD
Pipeline Specifications
Specification of pipe: API 5L PSL Minimum specified yield (S): 52,000 psi
Grade of pipe: X52 PSL 2
Nominal outside diameter of pipe (D): 12.75 inches
Nominal wall thickness (t): 0.281 inches
Longitudinal joint: ERW Joint factor (E): 1
Gas temperature: 58 degrees F Temperature factor (T): 1
Actual class location: 3
Design class location: 3 Design factor (F): 0.5
Type coating applied: Fusion Bonded Epoxy
Type of cathodic protection: Rectifier
Minimum Valve Specifications
Manufacturer: Model: Type: Material: Size: ASA: Mfg's. Test Pressure: Design Pressure:
psi psi
psi psi
psi psi
Manufacturer: Model: Type: Material: Size: ASA: Design Pressure:
TD Williamson Stopple TDW LOR CL 600 Steel 12" ANSI 600 1055
TD Williamson Tee TDW 3-Way Spherical LOR CL 600 Steel 12" ANSI 600 1025
psi
psi
psi
Hydrostatic Field Test
Medium: Water Test Period: 8 hours Test Pressure: 2000 psi
T-39 Replacement at Rosecraft Ln, Candler, NC
Pipe Design
1. Steel Pipe Design Pressure:
P = 2St * F * E * T = 1146 psi
D
Mill Test Pressure: 1950 psi
2. Design Pressure of weakest component: main, fittings, valves, or other accessories: 1025 psi
3. Test Pressure divided by the appropriate factor for the class location included: 1333 psi
4. For Furnace Butt Welded steel pipe, a pressure equal to 60 percent of the
Mill Test Pressure: N/A
5. For other than Furnace Butt Welded pipe. A pressure equal to 85 percent of
the highest test pressure to which the pipe has been subjected, either Mill or Field Test: 1700 psi
6. The highest actual operating pressure to which the line was subjected
during the five years preceding July 1, 1970: N/A
7a. The pressure determined to be the maximum safe pressure after considering the
physical history of the line: 720 psi
8. Maximum Allowable Operating Pressure considering 1 through 7: 720 psi
9. Hoop Stress (HP) = Max. Allowable Operating Pressure x O.D. = 16,334 psi
2t
10. Percent Specified Minimum Yield Strength (SMYS) = HS X 100 = 31.41%
S
Actual Operating Conditions
Maximum Actual Operating Pressure: 350 psi
Hoop Stress (HS) = Max. Actual Operating Pressure x O.D. = 7,940 psi
2t
Percent Specified Minimum Yield Strength (SMYS) = HS X 100 = 15.27%
S
Remarks:
322 26 4 BH32City Key Sheet Grid
Line Number:
Additional Description
Purpose of Work:
Map Location:
0
Replace a section of T-39 that is exposed in a creek.
T-39
T-line
0
Nearest Intersection:
(Or Other Location) Rosecraft Ln and Westfield Way
M-line
![Slideshare [poster]-interm coursefiqh-(january-2016)](https://img.pdfslide.us/doc/110x75/587ef4c61a28ab35528b50d9/slideshare-poster-interm-coursefiqh-january-2016.jpg)
