WC

SAUDI ARAMCO ID/PID - 18-MAY-05 - REV 0 (Standards Cutoff - JUNE 2008)

REV 3

SAUDI ARAMCO INSPECTION CHECKLIST

SAIC NUMBER

Ductbank / Conduit Excavation, Trenching and Backfilling

SAIC-P-3333

30-Jun-08 DATE APPROVED

QR NUMBER

1-Dec-09

GCC-I-223

PROJECT TITLE

WBS / BI / JO NUMBER

CONTRACTOR / SUBCONTRACTOR

WASIT DOWN STREAM PIPELINES

10-000918

GCC

DUCT-BANK / CONDUIT ID NUMBERS

SAND CAPPING WITH RED TILE &WARNING TAPE INST CABLE TRENCH

DUCT BANK DESCRIPTION

EQPT CODE

LAYOUT DRAWING NUMBER

REV. NO.

PURCHASE ORDER NUMBER

101018

1

N/A

SCHEDULED INSPECTION DATE & TIME

ACTUAL INSPECTION DATE & TIME

SYSTEM ID.

PLANT NO.

EC / PMCC / MCC NO. QUANTITY INSP.

MH's SPENT

TRAVEL TIME

SAUDI ARAMCO USE ONLY

17/09/2014 9:00AM SAUDI ARAMCO TIP NUMBER

SAUDI ARAMCO ACTIVITY NUMBER

WORK PERMIT REQUIRED?

SAUDI ARAMCO INSPECTION LEVEL

CONTRACTOR INSPECTION LEVEL

NO

J-902

3.04

W

ITEM No.

H ACCEPTANCE CRITERIA

REFERENCE

PASS

FAIL

A. Initial Trench Inspection (After Excavation and Trenching, Before Formwork and/or Conduit/Cable Installation)

A1

Below Grade Elevation - Minimum depth of trench for direct buried cables shall be as follows: 610 mm (2'-0") 600 V and below 920 mm (3'-0") Over 600 V to 35 kV 1070 mm (3'-6") Over 35 kV (as measured from finished grade to top of cable)

SAES-P-104 Table 2

A2

Below Grade Elevation - Minimum depth of trench for concreteencased duct banks shall be as follows: 1015 mm (3'-4") under roads where GI-1021.000 applies 610 mm (2'-0") under roads 460 mm (1'-6") all other installations (as measured from finished grade to top of concrete)

SAES-P-104 Table 2

A3

Below Grade Elevation - Minimum depth of trench for direct buried PVC-coated galvanized rigid steel conduit shall be as follows: 1015 mm (3'-4") under roads where GI-1021.000 applies 610 mm (2'-0") under roads 460 mm (1'-6") all other installations (as measured from finished grade to top of conduit)

SAES-P-104 Table 2

A4

Below Grade Elevation - Minimum depth of trench for direct buried PVC plastic conduit shall be as follows: 460 mm (1'-6") 600 V and below - except as otherwise noted here 610 mm (2'-0") 600 V and below - under roads, parking lots and areas subject to vehicular traffic 610 mm (2'-0") Over 600 V to 35 kV, unless otherwise noted here 760 mm (2'-6") Over 35 kV, unless otherwise noted here 1015 mm (3'-4") All voltages - under roads where GI-1021.000 applies (as measured from finished grade to top of conduit)

SAES-P-104 Table 2

A5

In rocky areas where digging must be minimized, in the areas where Table 2 depths would result in cables being below the water table, or to avoid avoid underground obstructions such as other cables, conduits or piping cables may be installed in one of the following configurations: a) PVC coated rigid steel steel conduit with a total cover not less than 300mm, which shall include a 50mm thick (min.) reinforced concrete slab over the conduit b) PVC coated rigid steel steel conduit with a total cover not less than 150mm, which shall include a 100mm thick (min.) reinforced concrete slab over the conduit c) A reinforced concrete encased duct bank with 150 mm of total cover, measured from the top of the upper conduit, which shall include a minimum of 100 mm of concrete over the upper conduit

SAES-P-104 Sec. 10.2

Page 1 of 6

N/A

RE-INSP DATE

A6

Concrete tiles can not be used in lieu of the concrete slab. The top layer of the concrete slab or duct bank shall be mixed with red dye. (Minimum thickness of red concrete layer is 5mm)

Page 2 of 6



REV 3

SAUDI ARAMCO INSPECTION CHECKLIST Ductbank / Conduit Excavation, Trenching and Backfilling

SAIC NUMBER

SAIC-P-3333


1-Dec-09

QR NUMBER

GCC-I-223

PROJECT TITLE




10-000918

GCC

ITEM No.

ACCEPTANCE CRITERIA

REFERENCE

A7

Electrical cables that cross a pipeline corridors shall be installed at least 1 meter under pipelines in duct banks per SAES-P-104.

SAES-B-064 Sec. 7.8.2(b)

A8

Cable crossings shall be continuous and at the same elevation with respect to the natural grade across the entire width of the pipeline corridor.

SAES-B-064 Sec. 7.8.2(c)

A9

For Non-Saudi Aramco electrical and communication cables shall have no servicing points within pipeline corridors.

SAES-B-064 Sec. 7.8.3

A10

Saudi Aramco electrical and commumnication cables, no portion of service point (manholes/vaults) for Saudi Aramco shall be closer than 25 m (82 feet) to any pipeline in the corridor.

SAES-B-064 Sec. 7.8.4

A11

Circuits Crossing Other (non-SAES-B-064) Pipelines - The minimum crossing or parallel clearance between direct buried cables or conduits and underground piping, including hydrocarbon pipelines that fall outside the scope of SAES-B-064, shall be 300 mm (12 inches).

SAES-P-104 Sec. 10.13

A12

Circuits Crossing Other (non-SAES-B-064) Pipelines - Conduit Exception - The crossing clearance may be reduced to 80 mm (4 inches) if underground obstructions make it difficult to meet the 300 mm (12 inch) requirement.

SAES-P-104 Sec. 10.13

A13

Circuits Crossing Other (non-SAES-B-064) Pipelines - Direct Buried Cable Exception - For direct buried cables installed in PVC sleeves, the crossing clearance may be reduced to 80 mm (4 inches) if underground obstructions make it difficult to meet the 300 mm (12 inch) requirement.

SAES-P-104 Sec. 10.13

A14

Direct buried cables, conduits, or duct banks shall not be installed directly above or below parallel underground piping.

SAES-P-104 Sec. 10.13

A15

Number of Conduit Bends -- There shall not be more than the equivalent of four quarter bends (360 degrees total) between pull points. (NFPA 70 NEC Art. 344.26 (GRSC) and Art. 352.26 (PVC))

SAES-P-104 Sec. 4.1

A16

PVC Conduit Alignment - The trench shall be installed as straight as possible from fixed point to point. ((NFPA 70 NEC Art. 110.3(B) and NEMA TCB 2, Sec. E.3))

SAES-P-104 Sec. 4.1

A17

Direct Buried Cable / Conduit Trench - Stones and rubble shall be removed from the excavated trench before placement of dry cushioning sand.

Std Dwg 990-PAD-036874 Sht 001, Note 1

A18

Direct Buried Cable / Conduit Trench - A minimum of 150 mm (6 inches) of dry sand shall be installed from bottom of trench to bottom of cable or conduit (as a cushion).


A19

Direct Buried Cable / Conduit Trench - Cushioning dry sand shall be clean and free of stones and rubble.

Std Dwg 990-PAD-036874 Sht 001, Notes 2 &4

A20

Direct Buried Cable / Conduit Trench - Minimum width of trench at the bottom shall be 300 mm (12 inches).


A21

Direct Buried Cable Trench - Minimum separation between uncladded and unarmored HV & MV (>1000 V) cables and uncladded and unarmored LV (≤1000 V) cables shall be 300mm (12 inches).


Page 3 of 6

PASS

FAIL

N/A

RE-INSP DATE


REV 3


SAIC NUMBER

SAIC-P-3333


1-Dec-09

QR NUMBER

GCC-I-223

PROJECT TITLE




10-000918

GCC

ITEM No.

ACCEPTANCE CRITERIA

REFERENCE

A22

Direct Buried Cable / Conduit Trench - Trench width shall allow for cables and conduits to be installed in a single layer, except where rearrangement is necessary at transitions to multi-layer concrete encased duct banks or for entering buildings.

SAES-P-104 Sec. 10.14

A23

Direct Buried Cable / Conduit Trench - Trenches containing redundant feeders (direct buried or in direct buried conduit) supplying industrial loads or other loads that are critical (as defined in SAES-P-100 Paragraph 4.3) shall provide a minimum clear distance of 1.8 meters (71") between feeders.


A24

Cast-in-Place or Directly-Buried PVC Conduit - Trench Wall - Where unstable soil conditions are encountered, these conditions shall be stabilized before laying the duct. Well points or under drains may be required to control excessive groundwater conditions. (NEC 110.3 (b) - NEMA TCB 2, Sec 4(a))

SAES-P-104 Sec. 4.1

A25

Cast-in-Place or Directly-Buried PVC Conduit - Trench Wall - Where required by Saudi Aramco requirements, or by soil conditions, the trench walls shall be adequately shored. (NEC 110.3 (b) - NEMA TCB 2, Sec 4(b))

SAES-P-104 Sec. 4.1

A26

Cast-in-Place or Directly-Buried PVC Conduit - Trench Bottom - The trench base shall be smooth and free of any debris that may be detrimental to the duct or impede the positioning of spacers. (NEC 110.3 (b) - NEMA TCB 2, Sec 5(a))

SAES-P-104 Sec. 4.1

A27

Cast-in-Place or Directly-Buried PVC Conduit - Trench Bottom - Where the trench bottom is rocky, a four-inch layer of compactable bedding material is required. (NEC 110.3 (b) - NEMA TCB 2, Sec 5(b))

SAES-P-104 Sec. 4.1

A28

Cast-in-Place or Directly-Buried PVC Conduit - Trench Bottom - Bedding shall be uniformly graded to provide continuous support. (NEC 110.3 (b) - NEMA TCB 2, Sec 5 (c ))

SAES-P-104 Sec. 4.1

A29

Cast-in-Place or Directly-Buried PVC Conduit - Trench Bottom - Blocking or mounding shall not be used to raise the duct to grade. (NEC 110.3 (b) - NEMA TCB 2, Sec 5(d))

SAES-P-104 Sec. 4.1

A30

Cast-in-Place or Directly-Buried PVC Conduit - Trench Bottom - Unstable trench bottoms shall be stabilized. This can be accomplished by overexcavating and providing a bedding of crushed stone or gravel. (NEC 110.3 (b) - NEMA TCB 2, Sec 5(e))

SAES-P-104 Sec. 4.1

A31

Cast-in-Place or Directly-Buried PVC Conduit - Trench Backfill Maximum particle size of bedding material shall be 25 mm (1 inch). NEC 110.3 (b) - NEMA TCB 2, Sec 5(f).

SAES-P-104 Sec. 4.1

A32

Cast-in-Place or Directly-Buried PVC Conduit - Trench Backfill - Care shall be taken to prevent rocks, hard lumps, frozen clods, organic matter, and other foreign material from falling into the trench. NEC 110.3 (b) - NEMA TCB 2, Sec 6.

SAES-P-104 Sec. 4.1

B. Material Requirements - General B1

New and Unused - Electrical materials (e.g., buried trench identification markers and devices) shall be new and unused.

Schedule G Sec. 2

B2

As Designed - Electrical materials shall be in accordance with the Saudi Aramco-approved project-specific design drawings, diagrams, schedules, lists, databases, and associated documents.

Schedule G Sec. 2

Page 4 of 6

PASS

FAIL

N/A

RE-INSP DATE


REV 3


SAIC NUMBER

SAIC-P-3333


1-Dec-09

QR NUMBER

GCC-I-223

PROJECT TITLE




10-000918

GCC

ITEM No.

ACCEPTANCE CRITERIA

REFERENCE

B3

Free of Damage - Electrical materials shall be free of damage.

Schedule Q Att. lV Sec. 3

B4

QC before Installation - Electrical materials shall conform to all applicable requirements, standards, and specifications prior to release to be used as part of the work.

Schedule Q Att. lV Sec. 3

B5

Buried Trench Identification Markers / Devices - A protective (safety) covering of red concrete tiles, 50 mm thick, SAMS # 09-259-471 or approved equal, no less than 300 mm (12 inches) wide. (SAES-P-104, Sec. 10.3)


B6

Buried Trench Identification Markers / Devices - A protective (safety) covering of red plastic tiles, minimum 12 mm thick. (SAES-P-104, Sec. 10.3)


B7

Buried Trench Identification Markers / Devices - A protective (safety) covering of PVC-coated steel fence fabric, no less than 300 mm (12 inches) wide. (SAES-P-104, Sec. 10.3)


B8

Buried Trench Identification Markers / Devices - A protective (safety) covering of yellow plastic warning tape, no less than 300 mm (12 inches) wide. (SAES-P-104, Sec. 10.3)

Std Dwg 990-PAD-036874 Sht 001

PASS

FAIL

C. Final Trench Inspection (After Concrete Placement, Conduit or Cable Installation, During Backfilling of Markers) C1

Concrete Duct bank Trench - The top layer of the concrete (5 mm or 3/16" minimum thickness) shall be mixed with red dye.

SAES-P-104 Sec. 10.4.7

C2

Direct Buried Cable / Conduit Trench - Cushioning dry sand shall be clean and free of stones and rubble.

Std Dwg 990-PAD-036874 Sht 001, Notes 2 &4

C3

Direct Buried Cable / Conduit Trench - A minimum of 300 mm (12 inches) of dry sand cover shall be installed on top of the cable or conduit (as a cushion).


C4

Direct Buried Cable / Conduit Trench - A protective (safety) covering of either (a) red concrete tiles (50 mm thick, SAMS # 09-259-471), (b) red plastic tiles (min. 12mm thick), or (c) PVC-coated steel fence fabric shall be installed on top of the dry sand cushion, no less than 300 mm (12 inches) above top of cable / conduit. [This paragraph does not apply to grounding conductors or connections, shallow trenches with protective reinforced concrete slabs, or under elevated substations.] (SAES-P-104, Sec. 10.3)


C5

A yellow plastic warning tape shall be installed over the protective covering concrete/plastic tiles or steel fence fabric.

C6

Direct Buried Cable / Conduit Trench - The protective (safety) covering of red tiles or PVC-coated steel fence fabric and warning tape shall be the same width as the bottom of trench and no less than 300 mm (12 inches) wide.

C7

The location of underground cable, conduit or duct bank shall be marked in accordance with Standard Drawings AB-036273 or AB-036326. [Temporary markers shall be provided at grade until the required permanent markers are installed.]

Page 5 of 6

SAES-P-104 Sec. 10.3 Std Dwg 990-PAD-036874 Sht 001


N/A

RE-INSP DATE


REV 3

SAUDI ARAMCO INSPECTION CHECKLIST

SAIC NUMBER

Ductbank / Conduit Excavation, Trenching and Backfilling


SAIC-P-3333

1-Dec-09

QR NUMBER

GCC-I-223

PROJECT TITLE




10-000918

GCC

ITEM No.

ACCEPTANCE CRITERIA

REFERENCE

C8

All excavation and trench work for Duct bank M/H and H/H shall conform with relevant job scope and IFC drawings (Construction Package)

Standard Drawing AA036874

C9

Cast-in-Place Manholes - Backfilling shall be performed no earlier than one week after MH concrete roof slab placement (unless walls are braced to withstand earth pressure & compaction equipment).

PASS

FAIL

N/A

RE-INSP DATE

Std Dwg 990-PAD-036025 Sht 001, Note 1(III)(A)

REMARKS:

REFERENCE DOCUMENTS: 1. Schedule G -- Material, Tools and Equipment (Pro Forma Contract), March 2006 2. Schedule Q -- Quality Requirements (Pro Forma Contract), February 2008 3- NFPA 70 -- National Electrical Code (NEC), 2008 Edition 4- SAES-B-064 -- Onshore and Near shore Pipeline Safety, 07 May 2006 5- SAES-P-104 -- Wiring Methods and Materials, 13 January 2008 6- SA Standard Dwg 990-P-AA-036025 -- Four-Way Manhole (Electrical) Details, Rev 01, December 1996 (2 Sheets) 7- SA Standard Dwg 990-P-AA-036273 -- Surface Markers, Underground Electric Cable, Rev 06, October 2001 (2 Sheets) 8- SA Standard Dwg 990-P-AA-036326 -- Standard Sign, Underground Electric Cable, Rev 09, May 1996 9- SA Standard Dwg 990-P-AA-036874 -- Installation of Direct Buried Electric Cable and Conduit , Rev 16, May 1996 10- NEMA TCB 2 -- NEMA Guidelines for the Selection and Installation of Underground Nonmetallic Duct, 2000 11- SA General Instruction 1021.000 -- Street and Road Closure: Excavations, Reinstatement and Traffic Controls, January 2005 NOTES: *Does not include direct buried ground system conductors or cables - See SATIP-P-111-01 1. Approved - Acceptable to the authority having jurisdiction (i.e., Saudi Aramco ID). 2. Identified - Recognizable as suitable for the specific application by a qualified testing laboratory (i.e., listing and/or labeling). 3. Listed - Equipment and materials included in a list published by an approved qualified organization concerned with evaluation of products or services, that maintains periodic inspection of production of listed equipment or materials or periodic evaluation of services, and whose listing states that the equipment, material, or services either meets appropriate designated standards or has been tested and found suitable for a specified purpose. 4. Labeled - Equipment or materials to which has been attached a label, symbol, or other identifying mark of an approved qualified organization concerned with product evaluation, that maintains periodic inspection of production of labeled equipment or materials, and by whose labeling the manufacturer indicates compliance with appropriate standards or performance in a specified manner.

Contractor / Third-Party

Saudi Aramco

Construction Representative*

PMT Representative T&I Witnessed

Work is Complete and Ready for Inspection: Name, Initials and Date:

Name, Initials and Date:

Md. I. Quraishi

QC Inspector Work / Rework May Proceed

M.Anwar

QC Supervisor

T&I Witnessed Name, Initials and Date:

QC Record Reviewed

Work Verified

QC Record Reviewed

Work Verified

I.Najmi

Proponent and Others Quality Record Approved:

Name, Sign and Date:

Work Verified

PID Representative Performed Inspection

Name, Initials and Date:

QC Record Reviewed

A.Sundaram

Ashish Kumar

Name, Organization, Initials and Date:

*Person Responsible for Completion of Quality Work / Test

T&I Witnessed

Y = YES

Page 6 of 6

N = NO F = FAILED

WC

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