BALANCE WORKS FOR 12 inch 9.2 KM (APPROX) SPURLINES UNDER BARAUNI GUWAHATI PIPELINE PROJECT OF GAIL (India) Limited

Amount

SECTION-A (MAIN LINE WORKS)

PIPELINE LAYING / INSTALLATION

Laying/ installation of coated line pipe, associated fittings and accessories, etc. as per specifications, drawings, other provisions of Contract and instructions of Engineer-in-Charge of the sizes mentioned herein, including but not limited to carrying out the following :

"Receiving and taking-over", handling, loading, transportation and unloading of Owner supplied externally corrosion coated and bare line pipes and other Owner supplied materials from Owner designated place(s) of issue/ other earlier contractor storage yard/ contractor dump site(s) to Contractor's own stock-yard(s)/ workshop(s)/ work-site(s) including stringing on the pipeline Right-of-Use (ROU)/ Right of way (ROW); Arrangement of all additional land required for Contractor's storage, fabrication, access for construction (other than Owner provided ROU/ROW); supply of all materials (except Owner supplied materials), consumables, equipment, labour, etc. and other incidental works;carrying out all temporary, ancillary, auxiliary works required to make the pipeline ready for pre-commissioning as per drawings, specifications, scope of work indicated in SCC and other provisions of Contract document and instructions of Engineer-in-charge, including but not limited to carrying out the following works :

Staking and installation of temporary construction markers, clearing, grubbing, grading (as required) of Right of Use/ Right of Way;

Counting the number and type of trees cut in presence of DFO/concerned authorities and keeping record thereof; shifting of all obstruction within the ROU / pipeline route alignment viz. electrical line / pole, telephone line (poles), foreign pipeline; coordination with concerned authorities and obtaining work permits / NOC from these authorities.

Trenching to all depths and to a width to accommodate the pipeline and/or optical fiber cable/cable conduit during lowering & backfilling as specified in scope document and as per the relevant standards, specifications, etc by excavation in all types of soils (including soft/hard rock), including controlled blasting, chiseling or otherwise cutting etc.; providing depth of padding in trench bed & above and around the pipeline HDPE duct and OFC as required with sand / graded earth approved by Engineer-in Charge;

Survey of the detours, if required at the time of construction including marking the same in topographical sheet, preparation of AFC drawings showing survey detail and submitting same to Owner to review.

Carrying out repairs of pipe defects/ replacement in case of irreparable defects and repairs of defects of pipe coating not attributable to Owner including defects/ damages occurring during transportation/ handling after taking over from Owner by Contractor including management of their own dump site, if required.

Thorough internal cleaning of all pipes by suitable methods to remove debris, shots, grits etc. to the satisfaction of Engineer-in- Charge;

Stringing of line pipes along ROU/ROW including providing straw and sand.

Aligning, bending, cutting and beveling (as required) of pipes for welding and field adjustments, NDT of rebevelled area, welding, carrying out non-destructive testing X-Ray of welds as required and providing all requisite equipment, labor, supervision, materials, films, consumables, all facilities and personnel to process, develop, examine and interpret radiographs and other tests as required; carrying out repairs of weld joints found defective by Engineer-In- Charge, carrying out re-radiography and other nondestructive tests such as ultrasonic test etc. as required on repaired joints, etc. as mentioned in SCC & Particular Jobs Specification.

Installation of carrier pipe at all crossings including roads/ cartrack / pathway / drain / canals/ nala/ water crossings etc. by open cut after prehydrotest of the section if required including re-storation of the banks to original conditions (in case of waterbody crossings) duly accepted by Competent Authority as defined as per specification (except for listed/ specified crossings by HDD method and cased crossing that are specifically covered separately elsewhere in the SOR).

Supply of coating materials for all field joints, Long Radius Bends, Burried Fittings, Valves, etc. including heat shrinkable sleeves and high build liquid epoxy etc. as per specifications compatible with 3-Layer PE Coating as per tender specifications with prior approval of Engineer-in-charge.

Coating of all field weld joints, long radius bends, buried fittings, valves etc.;

Training and diversions of streams in steep slope areas, wherever required.

Crossing all the foreign pipeline / HT line / cable / any other utilities etc. with necessary concrete / PVC protection including coordination with all agencies and obtaining NOC.

Lowering the pipelines in trench as per specification and standard drawing including providing sand bag separators for parallel pipelines at the specified spacing (when applicable), providing required padding with sand/graded material approved by Engineer-In-Charge, over and around the pipeline, OFC & HDPE Duct, in rocky areas, including supply of sand/graded material. In addition to padding, rock shield to be supplied and installed over the pipeline in rocky areas, backfilling with available, approved excavated material and/or other suitable soil approved by Engineer-In-Charge;

Taking DGPS coordinates of each weld joint (including tie in joints) and including the same in field inspection report. The coordinate must have X,Y,Z (ground level) along with depth of cover.

Supply and installation of slope breaker as per specifications and drawings in steep slope areas, wherever required;

Installation of LR Bend, as per specification wherever required depending on site condition.

Installation of warning mesh as per EN:12613 standard (latest edition) & as per relevant clause mentioned in PJS enclosed in the bid document.

All tie-ins, including the tie-in(s) of the pipeline / piping installed with the adjacent section of pipeline by others including cutting of test header, re-beveling as required radiography and other NDT examination, joint coating as per specification.

Carrying out all temporary, ancillary, auxiliary works and all incidental works required to make the pipeline ready for pre-commissioning;

Repair of defects recorded during EGP/gauge plate run or otherwise including cutting, beveling, welding, radiography, field joint coating etc; as applicable, Final clean-up and restoration of right of way/right of use including obtaining NOC from respective land owner / farmers and statutory authorities as required and disposal of debris and returning all surplus material to designated disposal areas/storage yards as mentioned in Annexure-2 to SCC, as directed by Engineer-In-Charge;

Restoration of land, facilities, boundary wall and roads etc. and associated facilities dismantled/damaged by the Contractor during construction; Obtaining work permits/ NOC from various statutory authorities having jurisdiction, before and after execution of the work, and complying with all stipulation/conditions/recommendation of the authorities before and after execution of the work; Installation of Coated Line Pipes as per following details:

SPURLINES FOR BONGAIGAON REFINERY

Line pipe details

Size Thk. Grade Coating Type Length of each Pipe

mm(NB) (mm)

323.9 7.9/8.7 API 5L Gr. X-70 3 Layer PE Double random (approx.

PSL-2 Coating 11.5 to 12.5 mtr.) &

SPURLINES FOR NOONMATI REFINERY

Line pipe details

Size Thk. Grade Coating Type Length of each Pipe

mm(NB) (mm)

323.9 7.9/8.7 API 5L Gr. X-70 3 Layer PE Double random (approx.

PSL-2 Coating 11.5 to 12.5 mtr.) &

Notes : 1. This item rate is applicable for complete work of laying the underground pipeline from for both the spurlines viz. spurlines for Bongaigaon Refinery (3.0 Km approx.) and Noonmati Refinery (6.2 Km approx.) as per Schematic Route Diagrams (Refer Drg. No.: MEC/23U2(B)/05/28/M/000/0021A & MEC/23U2(N)/05/28/M/000/0021A enclosed as APPENDIX-IV to PJS) including installation of aboveground insulating joint & flow tee and station approach pipeline. The lengths of pipelines are tentative. Quantity indicated above is tentative and for various locations and may increase/decrease based on site requirement.

2. Rate for laying of OFC & conduit shall be quoted in relevant Schedule of Rates (SOR) of Telecom works, hence not to be included in Pipeline Laying works. 3. For soft / normal soil and rocky area detailed refer enclosed Alignment Sheets and Soil Investigation Report alongwith Bid. 4..The above item rate is exclusive of defined crossings by HDD and Cased crossings, moiling (which are covered separately in relevant SOR items). For other crossings, it is deemed to be inclusive in above item rate. 5. Payment for Preparation of as-built drawings, pipe-book and other records as specified in the specifications is to be covered else where in SOR. 6. Bidders are advised to visit the site for actual assessment of various crossings. The execution of crossings other than Cased/ HDD/Moiling (which are covered separately in relevant SOR items) shall be inclusive in above item rate.

7. Receiving and taking-over", handling, loading, transportation and unloading of Owner supplied externally corrosion coated line pipe from ROU of both the spurline and GAIL designated store/Earlier Contractor Storage yard Store is in-built in above item, however lifting of pipe from other locations shall be payable inline with item available else where in SOR.

8. Hydrotesting , Magnetic Claening & EGP of Pipeline shall be payable through item else where in SOR.

9. Repair of defect recorded during EGP/gauge plate run for quantity mentioned above in inbuilt in above item rate.

10. Contineous string length 36 meter or more than 36 mtr length shall be payable through above item rate, however string length less than 36 meter shall be payable through miscelleneous item rate else where in SOR.

MISCELLENEOUS LEFT OUT WORK RELATED TO MAINLINE LAYING WORK

STRINGING

Stringing of line pipes along ROU/ROW including providing straw and sand bags as per specification and approved procedure. Internal cleaning of all pipes by suitable methods to remove debris, shots, grits etc. to the satisfaction of Engineer-in- Charge

323.9 7.9/8.7 mm API 5L Gr. X-70 3 Layer PE Coating

Note : Quantity Indicated above is tentative and for various locations excluding SOR item no. A00100.

WELDING

MAINLINE /FREE TIE-IN JOINT & CS Conduit Pipe

Aligning, bending, cutting and beveling (as required) of pipes for welding and field adjustments, welding as per technical specification and approved procedure and providing all requisite equipment, labor, supervision, approved electrode , other materials,consumables, all facilities and personnel , carrying out repairs of weld joints found defective in NDT/ X-ray as per technical specification & approved procedure.

12", API 5L Gr. X-70 PSL2, 7.9/8.7 mm THK, 3 Layer PE Coating

6'' NB dia CS Conduit Pipe

Note : (i)Quantity Indicated above is tentative and for various locations wherein gap between already laid pipeline is available and excluding SOR item no. A00100.This item shall also be applicable for the sections which were made by earlier contractor and to be laid in present tender scope.

(ii) NDT for CS conduit pipe is not required. Bidder have to quote accordingly.

Tie-IN JOINT

Complete work for tie-in joint in pit including the tie-in(s) of the pipeline / piping installed with the adjacent section of pipeline, cutting of section, re-beveling as required , NDT examination as per specification including excavation of pit as per requirement, carrying out repairs of tie-in joints found defective in NDT/ X-ray as per technical specification including all requisite equipment, labor, supervision, materials,consumables, all facilities and personnel for carrying ie-in joint as per specification & approved procedure.

12", API 5L Gr. X-70 PSL2, 7.9/8.7 mm THK, 3 Layer PE Coating

Note : Quantity Indicated above is tentative and for various locations wherein tie-in is leftover by earlier contractor . This item shall also be applicable for the sections which were made by earlier contractor and to be laid in present tender scope.

WELD REPAIR

Repair of weld found defective in NDT/X-ray as per technical specification and approved procedure , including excavation for locating the joint ( as required) ,marking at defective location of weld joint including all requisite equipment, labor, supervision, materials,consumables, all facilities and personnel for carrying repair joint

12", API 5L Gr. X-70 PSL2, 7.9/8.7 mm THK, 3 Layer PE Coating

Note: Quantity indicated above is tentative and for repairing the weld joint made by earlier contractor.

MAINLINE AND HDD SECTION JOINT COATING

Supply and installation of 3 LPE heat shrink sleeve for joint coating including other coating materials for all field joints, Long Radius Bends, Burried Fittings, Valves, etc. including supply and application of high build liquid epoxy etc. as per specifications compatible with 3-Layer PE Coating including all requisite equipment, labor, supervision, materials,consumables, all facilities and personnel for carrying ie-in joint as per specification & approved procedure and as per instruction and approval of Engineer-in-charge.

Coating of all field weld joints,HDD section joints, long radius bends, buried fittings, valves etc.;

MAINLINE JOINT COATING BY HTLP 80

12", API 5L Gr. X-70 PSL2, 7.9/8.7 mm THK, 3 Layer PE Coating

Note : Quantity Indicated above is tentative and for various locations wherein joint coating is leftover by earlier contractor .

HDD SECTION JOINT COATING BY DIREX SLEEVE

12", API 5L Gr. X-70 PSL2, 7.9/8.7 mm THK, 3 Layer PE Coating

Note : Quantity Indicated above is tentative and for various locations wherein joint coating is leftover by earlier contractor .

TRANSPORTATION OF LINE PIPE

Receiving and taking-over, handling, loading, transportation and unloading of Owner supplied externally corrosion coated and bare line pipes from Owner designated place(s) of issue/ other earlier contractor storage yard to Contractor's own stock-yard(s)/ workshop(s)/ work-site(s) including all manpower, consumables, equipment, labour, etc. and other incidental works;carrying out all temporary, ancillary, auxiliary works required as per direction of EIC.

TRENCHING

Trenching to all depths and to a width in all type of soil starta to accommodate the 12'' NB dia Carrier pipeline and/or cable duct for OFC during lowering & backfilling as specified in scope document and as per the relevant standards, specifications, etc by excavation in all types of soils providing depth of padding in trench bed & above and around the pipeline HDPE duct and OFC as required with sand / graded earth approved by Engineer-in Charge;

12", API 5L Gr. X-70 PSL2, 7.9/8.7mm THK, 3 Layer PE Coating

Note : (i)Quantity Indicated above is tentative and for various locations wherein trenching activity need to be done for laying of pipeline.

(ii) Quantity indicated above is for laying of pipeline in various locations.

RADIOGRAPHY

Performance of radiographic inspection by X-ray as per scope of work and as per specifications including providing/hiring of all necessary equipments, supply of all consumables, and whatever else even though not expressely mentioned but required to perform the work as per specifications and instructions of Engineer-in-Charge (full circle re-radiography of the repaired joint and additional radiography necessitated due to poor performance of contractor's welder shall be carried out by the Contractor at his own cost and shall not be paid extra by Company). Radiographs shall be submitted to the Engineer-in-Charge for acceptance, whose decision shall be final and binding.

12" NB Pipeline - Full Joint

12" NB Pipeline - Repair joint

Note : (i)Quantity Indicated above is tentative and for various locations wherein existing joint ( made by earlier contractor) radiography/ repair activity need to be performed by contractor.

(ii) This item shall also be applicable for mainline & free- Tie-in joints , tie-in joint to be carriedout through separate SOR items mentioned else where in SOR.

COATING REMOVAL

Removal of joint coating by approved procedure including all requisite equipment, labor, supervision, materials,consumables, all facilities and personnel as required

12", API 5L Gr. X-70 PSL2, 7.9/8.7mm THK, 3 Layer PE Coating ( Coating Removal of HTLP-80 or Direx Sleeve)

Note: (i) Quantity indicated above is tentative and for various locations and for applicable for exiting joints coating removal as per requirement.

Joint Cutting & Bevel End Prepration

joint Cutting & bevel end prepration including NDT as per requirement by approved procedure including all requisite equipment, labor, supervision, materials,consumables, all facilities and personnel as required

12", API 5L Gr. X-70 PSL2, 7.9/8.7 mmTHK, 3 Layer PE Coating

Note: (i) Quantity indicated above is tentative and for various locations and for applicable for exiting joints cutting as per requirement.

Lowering

Lowering the pipelines in trench as per specification and standard drawing including providing sand bag separators for parallel pipelines at the specified spacing (when applicable), providing required padding with sand/graded material approved by Engineer-In-Charge, over and around the pipeline, OFC & HDPE Duct, in rocky areas, including supply of sand/graded material. In addition to padding, rock shield to be supplied and installed over the pipeline in rocky areas, backfilling with available, approved excavated material and/or other suitable soil approved by Engineer-In-Charge;

12", API 5L Gr. X-70 PSL2, 7.9/8.7 mm THK, 3 Layer PE Coating

Note : (i)Quantity Indicated above is tentative and for various locations wherein pipeline section has been made by earlier contractor and only laying is in present tender scope.

Installation Of Warning Mesh

Installation of warning mesh on the entire length of the pipeline as per specification.

Note: Quantity Mentioed above is for various locations other than SOR item no.A00100 , wherein backfilling and warning mesh balance to be installed.

Backfilling

Backfilling for new lowering portion in multiple locations with available, approved excavated material and/or other suitable soil approved by Engineer-In-Charge

12", API 5L Gr. X-70 PSL2, 7.9/8.7 mmTHK, 3 Layer PE Coating -

Backfilling for already laid pipeline by earlier contractor in multiple locations with available, approved excavated material and/or other suitable soil approved by Engineer-In-Charge

12", API 5L Gr. X-70 PSL2, 7.9/8.7 mm THK, 3 Layer PE Coating -

Note: Quantity Mentioed above is other than SOR item no. A00100.

Restoration

Final clean-up and restoration of right of way/ right of use including disposal of debris and returning all surplus material to defined disposal areas and storage yards as as directed by Engineer-In-Charge. Restoration of land, facilities, boundary wall and roads etc. and associated facilities dismantled/damaged by the Contractor during construction;

Complying with all stipulation/conditions/recommendation of the authorities before and after execution of the work;

SOR shall be read in conjuction with scope of work, job specific requirements, specifications, standards, drawings and other provision of contract document.

12", API 5L Gr. X-70 PSL2, 7.9/8.7 mm THK, 3 Layer PE Coating

Note: Quantity Mentioed above is for various locations other than SOR item no.1 , wherein restoration is balance.

PIPELINE LAYING/ INSTALLATION BY HDD (OTHER THAN CROSSING BY HDD)

Complete work of laying of pipeline along with road/nala, if any, (within the ROW) by HDD method including "Receiving and taking over" owner supplied three layer PE coated line pipes from owner's designated place to issue/dump site(s) and transportation to contractor's stock yard/work site including all handling, loading, uploading, aligning etc. supply of all contractor supplied material including consumables, manpower, equipment, other resources to work site(s) and aquiring the required land for storage. Execution of, but not limited to, following works in accordance with specifications and instruction of engineer-in-charge and as per all provision of Contract Document.

Pre-construction survey, necessary cover required over the carrier pipeline, based on site visit, collection of data (if required) from concerned Authority including design and detail engineering and making of drawings for getting their approval from concerned Authority/Engineer-in-charge, getting work permit/NOC for utlities crossings (if any) encounterd prior to start the execution of work.

Drilling to required depth from top of ground (min 1.5 mtrs.) including maintenance of drill hole in all types of strata, all depth to accommodate the pipeline at all conditions encountered by approved HDD methods for providing minimum cover specified in code/specification or the actual depth as decided by concerned authority, whichever is more.

Laying of the pipeline along with HDPE Duct(s) by HDD method including strings preparation of pipes, welding, testing, 100 % NDT by radiography by X-ray, welding repair and retest, coating of field joints with special type Dirax Heat Shrink Sleeve or equivalent (including supply of coating material) and repair of pipeline coating with special PERP-80 repair patch or equivalent material (including supply of repair patch) as per specification, pre-hydrotest of complete strings made for laying etc.

Backfilling of the ditch/trench including restoration and clean-up of area, disposal of drilling fluid & waste etc. to the satisfaction of Engineer-in-charge and/or as directed by concerned Authority.

Gauging, pigging, Cleaning, Post installation hydrotest, dewatering and tie-in with pipeline at either banks etc., all other works including pigging, Cleaning, final hydrotesting etc. alongwith mainline works (as mentioned above) required as per specifications, codes, approved drawings, calculations, methods and as directed by Engineer-in-charge and provision of contract document, getting NOC from all concerned authority of the facillities.

Installation /laying of Coated Line Pipes as per following details:

Specified dia Thk (mm) Material Coating Type Length of each pipe (mm) NB

COMPLETE PIPELINE LAYING/ INSTALLATION BY HDD (OTHER THAN CROSSING BY HDD)

323.9 7.9/8.7 mm API 5L Gr. X-70 3 Layer PE Double random Coating (Externally) (approx. 11.5 m to 12.5 m)

Miscellenous Balance activities for Pipeline Laying / Installation by HDD (OTHER THAN CROSSING BY HDD)

323.9 7.9/8.7 mm API 5L Gr. X-70 3 Layer PE Double random Coating (Externally) (approx. 11.5 m to 12.5 m)

Note: (i) Laying length may vary as per site condition. Tenderer are advised to visit the site for actual assessment of extent of laying and to access the maximum extent of cover which may have to be provided. Actual string length for HDD shall be as per design calculations so that pipe is not under stress as permitted by codes/ specifications. Final length of string shall be decided after decision of minimum cover requirement by concerned Authority/ Engineer-in-charge.

(ii) Payment for the length of final tied-in carrier pipeline string are inclusive in the above item rate and no separate payment shall be made under other item mentioned elsewhere.

(iii) The Contractor has to quote on running meter basis for laying. No extra payment shall be made against this item.

(iv) The above rate is inclusive of HDD for HDPE duct. It is sole descretion of the Contractor to carryout HDD of carrier pipe alongwith HDPE Duct through the same drill hole. or making separate holes for carrier pipe and HDPE duct. No extra payment shall be made against the same.

(v) Length of above laying work indicated are tentative. The length indicated are not for any single location. This shall be as per requirement at site for laying at different locations.

(vi) This SOR item shall be executed as per site condition after due approval from EIC.

(vii) Item rate mentioned under SOR item no.: A00302 above is only for successful pulling & post hydrotesting of laying through HDD method., however Miscellenious activities required for string prepration , pre-testing , joint coating...etc shall be payable to the contractor as per rate available else where in SOR.

(vii) Activity Rate as required for recovery shall be as per rate available in SOR.

CONTINUOUS CONCRETE COATING

Additional work over and above SOR Sl. No.A00100 for supply of all consumables and materials and application of continuous concrete weight coating of minimum density 2245 Kg/m3 of minimum grade M-35 (design mix), on pipes of all wall thicknesses and concrete coating of the field joints thereof, in all areas of work (wherever required) except rivers /waterbody crossings covered separately under SOR item no. 6, and performing all works as per specifications and instructions of Engineer-in-Charge and other provisions of Contract document.

Pipes as per following details :

Pipe OD-300 mm, WT- 7.9/8.7 mm for X-70, Coating Thickness -60 mm

Unit rate over and above SOR Sl. No. A00100 for supply of specified and approved quality of sand / rock / other types of soil including supply of sand in place of available excavated material and/ or other suitable soil as per applicable standards/ specifications, including backfilling of excavated trench for specified length after laying of pipeline, including transportation of backfill material over all distances and disposal of surplus excavated soil, complete.

Pipe Laying using Machine Moiling technique (without Casing) for Carrier pipe and HDPE duct

Complete work of any type of crossing (between the ROW limits as defined in Crossing Drawings enclosed with Bid Document) using Machine Moiling technique for Carrier pipe along with HDPE duct for OFC including "Receiving and taking over" owner supplied three layer PE coated line pipes from Owner's designated place to issue/ dump site(s)/ Existing Contractor store and transportation to Contractor's stock yard/ work shop/ work site including all handling, loading, unloading, aligning etc. supply of all Contractor supplied material including consumables, manpower, equipment, other resources to work site(s), Execution of works in accordance with specifications and instruction of Engineer-in-charge and as per all provision of Contract Document.

Installation of 12" (323.9 mm OD, 7.9/8.7 mm wall thk of API 5L Grade X-70 carrier pipe along with HDPE duct using Machine Moiling technique (without Casing)

Note: 1. This item rate is applicable for complete work of crossing using Machine Moiling technique (without Casing) for Carrier pipe including stringing, welding, 100% radiography.joint coating, restoration of pit etc. 2. The length of pipeline are tentative and for multiple crossings at different locations wherever required. 3. This SOR item shall be applicable incase of soft soil and as per instruction and after due approval of Engineer-in-charge. 4. It is sole descretion of the Contractor to carryout the crossing of carrier pipe alongwith HDPE Duct through the same drill hole. or making separate holes for carrier pipes and HDPE duct. No separate payment shall be made for HDPE duct for said crossing.

CASED CROSSING

Crossing with Casing Pipe by Boring

Complete work of cased crossing (between the limits as defined in approved drawings) excluding supply of casing pipe bare (for 12" NB Pipeline) including handling, loading, transportation, unloading to Contractor's own stock yard/ work site.

Pre-construction survey and making of crossing drawing based on site visit and getting their approval from concerned Authority/ Engineer-in-charge prior to starting the execution of work.

Strings preparation of pipes (carrier pipes-12"NB, API5L Gr. X-70, 7.9/8.7 mm thk.), welding, testing, 100 % NDT by AUT/radiography by X-ray, welding repair and retest, coating of field joints with Heat Shrink Sleeve or equivalent (including supply of coating material) and repair of pipeline coating with repair patch or equivalent material (including supply of repair patch) as per specification, pre-hydrotest of complete strings made for crossing etc.

String preparation of 6 inch CS conduit for OFC, welding.

Installation of casing pipe by jacking/ boring for cased crossings including open cut for adjacent service road, canal, minor nature of water channel, utility line crossing etc. (if any) wherever required for all depth in all type of soils and terrrain for carrier pipe insertion and for OFC/ HDPE duct. All other Contractor supplied materials like casing insulators, Zinc Ribbon Anodes and casing end seals as per enclosed specification/ drawings materials for casing vents and drain assembly etc. including supply of all other materials, equipments, consumables, manpower, welding including visual inspection of all weld joints.

Preparation of required length of carrier pipeline welded string including all other works as mentioned in SOR Sl. No.A00100 above and as per specification/ drawings. Pulling of OFC/ HDPE duct through CS conduit & insertion of carrier pipe in casing pipe after above ground pretesting at specified test pressure including installation of casing insulators and Zn ribbon anode as per approved design calculation, specification/ drawings.Installation of vent and drain assembly, fixing of end seals, backfilling and restoration as original of the facilities crossed.

Backfilling of the ditch/ trench including restoration and cleanup of area to the satisfaction of Engineer-in-charge and/or as directed by concerned Authority.

Pigging, cleaning, Post installation hydrotest, dewatering and tie-in with pipeline as per specification, approved procedure, drawing etc. and instruction of Engineer-in-charge and provision of contract document, getting NOC from all concerned Authority of the facilities crossed.

For 12" NB pipeline

Installation of Casing Pipe by Jacking with auger Boring of Casing Pipe -18" NB x 8.0 mm wall thk. (for 12" NB pipeline)

Installation by Open cut of Casing pipe - 18'' NB x 8.0 mm thk ( for 12'' NB Pipeline)

Installation by Pipe Jacking with auger Boring of CS Conduit 150mm NB, 6.4mm wall thk. (for OFC & their conduit)

Installation by Open cut of CS Conduit 150 mm , 6.4 mm wall thk ( for OFC & Conduit)

Supply of Casing pipe of 18" x 8.0 mm wall thk., IS 3589 , Fe-450 or equivalent (for 12" NB carrier pipe) along with coal tar epoxy coating of minimum 300 microns (after proper cleaning) including supply of coating material, consumables etc.

Complete work for removal of 3LPE coating from 18" NB linepipe through heating/ chiseling including mechanical cleaning of pipe surface as per specification. Supply of all consumables,deployment of tools/ tackles, manpower,equipment for performing the works to entire satisfaction of EIC.

Note : (i) Width of above crossings indicated are tentative. The width indicated are not for any single crossings. This shall be as per requirement at site for crossing at different locations.

(ii) Width of the above crossings indicated are tentative. Actual length & cover from top of casing pipe string may vary depending upon site conditions, crossing methods, approved drawings etc. and/ or decided by concerned Authority/ Engineer-in-charge.

(iii) Exact centreline location of boring of 6" NB CS conduit for HDPE Ducts / OFC as a casing pipe shall be minimum 4.0m either side based on as installed centreline dimension of carrier pipe inside casing pipe at all cased crossing. The cover to top of casing pipe for HDPE Ducts / OFC shall be same as cover to top of the pipeline/ casing pipe as applicable.

(iv) Payment for the length of carrier pipeline string shall be bored casing pipeline length plus two meters. Payment for additional length of carrier pipeline string shall be paid under SOR item no.A00100 (v) Methodology for National highway crossing shall be decided during execution as per the permissions available. (vi) Casing pipe may be provided as free issue material to the contractor. Before placement of order (in case of non-availability of Casing pipe as free issue), the contractor shall take due approval of EIC.

MISCELLENEOUS LEFT OUT WORK RELATED TO CROSSING WITH CASING PIPE BY BORING

Incertion of 12'' Carrier Pipe in 18'' Casing Pipe including installation of vent drain including supply and providing end seal and above ground painting and post hydrotessting at 1.5 times of design pressure for minimum 4 hours including all associated work to complete crossing work . All other Contractor supplied materials like casing insulators, Zinc Ribbon Anodes and casing end seals as per enclosed specification/ drawings materials for casing vents and drain assembly etc. including supply of all other materials, equipments, consumables, manpower, welding including visual inspection of all weld joints

Painting of above ground Piping ( vent & drain)

Supply and Providing end seal

CROSSING [ROAD, RIVER, CANAL, NALLAH / DRAIN, IRRIGATION CHANNEL (BY OPEN CUT)]

Complete work of the crossings (between the limits as defined in approved drawing) including "Receiving and taking over" owner supplied corrosion coated line pipes from owner's designated places of issue/ dump site(s)/earlier contractor storage yard for this project and transportation to Contractor's stock yard/ work shop/ worksite including all handling, loading, unloading, etc. supply of all Contractor supplied material to worksite(s) including consumables, manpower, other resources and acquiring the required land for storage, fabrication, access for Contractor etc. and execution of, but not limited to, following works in accordance with specifications and instructions of Engineer-in-charge and as per all provision of Contract Document.

For waterbody crossings: Pre-construction survey , obtaining scour depth (for river) from concerned authority (if required), necessary cover required over the carrier pipeline from lowest bed level of the stipulated water crossing to be obtained from concerned authority, bed strata data including design & detail engineering and making of crossing drawing for getting their approval from concerned Authority/ Engineer-in-charge, getting work permit/ NOC for water crossings as well as utility crossings (if any) encountered during water crossing prior to start the execution of work.

Following data shall be obtained from concern authority/ local sources (for river) to finalise scour depth :-

(i) Past Historical flood level datas indicating HFL to determine highest flood level.

(ii) River flow data including velocity of water flow.

(iii) Necessary information regarding type of soil and strata underneath the river bed.

For road crossings,pre-construction survey based on site visit, collection of data (if required) from concerned Authority including design and detail engineering and making of crossing drawings for getting their approval from concerned Authority/ Engineer-in-charge, getting work permit/ NOC for the crossing as well as utility crossings (if any) encountered during crossing prior to start the execution of work.

Trenching to the required depth on the banks and bed including maintenance of trench in all types of strata, all depth to a width to accommodate the pipeline at all conditions of the water crossings by various methods for providing with minimum cover over top of the pipe at all point across the maximum possible width of water bed (as per drawing) either 1.5 mtrs. below the predicted scour profile expected during the life time of the pipeline or 2.5 mtrs. below the available lowest firm bed (if scour profile/ depth not available) of the water crossing by ascertaining bed level upto 50 mtrs. both the side from crossing location or the actual depth as decided by concerned Authority/ Engineer-in-charge whichever is more.

Strings preparation of pipes, welding, testing, 100 % radiography by X-ray, welding repair and retest, coating of field joints with Heat Shrink Sleeve or equivalent (including supply of coating material) and repair of pipeline coating with repair patch or equivalent material (including supply of repair patch) as per specification, pre-hydrotest of complete strings made for crossing etc.

Final strings preparation of pipes as per approved drawing & specification or as decided by Engineer-in-charge depending on site condition, repair of coating damages,coating of field joints, etc. as per respective technical specification.

For Conventional Method- Continuous concrete weight coating of minimum density 2245 kg/m3 of mininum grade M-35 (nominal mix) and field joints thereof in all areas of work wherever required as per site condition and performing all works as per specification.

Laying of the pipeline by the approved crossing method across the water crossing in the approved trench.

Pigging, cleaning, Post installation hydrotest, dewatering and tie-in with pipeline at either banks etc.as per specification, codes, approved drawings, calculations, methods and as directed by Engineer-in-charge.

Road/ River / Canal / Drain / Nallah / Minor Crossings wherever required at minimum cover mentioned as above.

Crossing of Road/ River / Canal/ Drain/ Nallah / Minor Crossings for carrier pipeline of size 323.9 mm NB x 7.9/8.7 mm thk of API 5L Grade X-70 (BY CONVENTIONAL METHOD); concrete weight coating thickness - 60mm

Any type of crossings for CS conduit of size 150 NB X 6.4 mm thick of IS 3589 or equivalent ERW Pipe for HDPE duct and OFC.

Note: (i) The width indicated is not for any single crossings. This shall be as per requirement at site for crossing at different locations.

(ii) Final length of string & cover from top of pipe for each crossing shall be decided and approved by concerned Authority/ Engineer-in-charge.

(iii) Payment for the length of final tied-in carrier pipeline string with mainline laid by open cut / conventional method are inclusive in the above item rate and no separate payment shall be made under other clause mentioned elsewhere.

(iv) In case of lower depth of crossing achieved, if need for bank and bed stabilization arises as per instructions of Engineer-in -charge, the scheme for Bed & Bank Stabilisation as per standards MEC/05/11/STD/015 & MEC/05/11/STD/016. shall be executed and the same shall be paid separately as per rates provided elsewhere in the SOR.

CROSSING (by HDD Method)

Complete work of any crossing (between the limits as defined in drawing - detailed construction drawings shall be prepared by the contractor duly approved by OWNER/PMC) by HDD method including "Receiving and taking over" owner supplied three layer PE coated line pipes from Owner's designated place to issue/ dump site(s)/earlier contractor storage yard for this project and transportation to Contractor's stock yard/ work shop/ work site including all handling, loading, unloading, aligning etc. supply of all Contractor supplied material including consumables, deployment of manpower, equipment, other resources to work site(s) and acquiring the required land for storage., Execution of, but not limited to, following works in accordance with specifications and instruction of Engineer-in-charge and as per all provision of Contract Document.

For waterbody, In-situ pre-construction survey including auger bore(s) of minimum 6.0 M depth [in the middle third of waterway; at least 1 in each waterbody and at interval of 50M centres] to establish bed strata,its bore log by soil testing; obtaining historical data/ scour depth (in case of river) from concerned authority ascertaining under neath soil & strata, necessary cover required over the carrier pipeline from lowest bed level of the stipulated water crossing including design & calculation and detail engineering and making of crossing drawing for getting the approval from concerned Authority/ Engineer-in-charge, getting work permit/ NOC for water crossings as well as utility crossings (if any) encountered during water crossing prior to start of execution of work. For road and railway crossings, pre-construction survey based on site visit, collection of data (if required) from concerned Authority including design and detail engineering and making of crossing drawings for getting their approval from concerned Authority / Engineer-in-charge, getting work permit/ NOC for the crossing as well as utility crossings (if any) encountered during crossing prior to start of execution of work.

In case of water body crossings Drilling to the required depth on the banks and bed including maintenance of drill hole in all types of strata, all depth to accommodate the pipeline and CS conduit for OFC laying at all conditions of the waterbody crossings by HDD methods for providing with minimum cover either (i) Minimum 1.5m below the scour level / profile or as duly approved/ accepted by concerned authority ( under whose jurisdictions the crossing lies) whichever is more---- For rivers with rocky bed or (ii) Minimum 2.5m below the scour level / profile or as duly approved/ accepted by concerned authority ( under whose jurisdictions the crossing lies) whichever is more---- For major rivers. or (iii) Minimum 1.5 m below the bed level / profile or as duly approved/ accepted by concerned authority ( under whose jurisdictions the crossing lies) whichever is more---- For minor waterbody crossings. and (iv) In addition to point (i) & (ii), In case of multiple combined X-ing i.e. river alongwith road/ drain, minimum cover requirement as per specification/ concerned authority for each type of x-ing has also to be fulfilled.

In case of road crossing, drilling to required depth from top of road including maintenance of drill hole in all types of strata, all depth to accommodate the pipeline and CS conduit for OFC laying at all conditions encountered during road crossing by approved HDD methods for providing minimum cover specified in code/ specification or the actual depth as decided by concerned authority, whichever is more. In case of railway crossing, drilling to required depth from top of rail including maintenance of drill hole in all types of strata, all depth to accommodate the pipeline and CS conduit for OFC laying at all conditions encountered during railway crossing by approved HDD methods for providing minimum cover of 7 m below ground level throughout railway land width and also at least 7 meters below formation level in cutting throughout the railway land width or as specified in RDSO guidelines / code / specification or the actual depth as decided by concerned authority, whichever is more. For railway crossings, class 4 pipe shall be used within railway land and up to a distance of risk radius outside the railway boundary (ROU/ROW) on either side.

Laying of the pipeline (for water body, road and Railways crossing) by the approved HDD method across the crossing including, strings preparation of pipes, welding, testing, 100% NDT by AUT/ radiography by x-ray, welding repair and retest, coating of field joints with special type Dirax Heat Shrink Sleeve or equivalent (including supply of coating material) and repair of pipeline coating with special PERP-60E repair patch or equivalent material (including supply of repair patch) as per specification, pre-hydrotest of complete strings made for crossing etc.

String preparation and laying of 6 inch CS conduit for OFC by HDD method, welding etc.

Backfilling of the ditch/ trench including restoration and clean-up of area, disposal of drilling fluid & waste etc. to the satisfaction of Engineer-in-charge and /or as directed by Concerned Authority.

Gauging, Pigging, Cleaning, Post installation hydrotest,dewatering, swabbing and tie-in with pipeline at either banks etc.as per specifications, codes, approved drawings, calculations, methods and as directed by Engineer-in-charge and provision of contract document; getting NOC from all concerned authority of the facilities crossed.

Details of Crossing

COMPLETE PIPELINE LAYING/ INSTALLATION BY HDD

Any type of crossings for carrier pipeline of size 323.9 mm OD x 7.9/8.7 mm thk of API 5L Grade X-70 and CS conduit of size 150 NB X 6.4 mm thick of IS 3589 or equivalent ERW Pipe for HDPE duct and OFC.

Any type of crossings for CS conduit of size 150 NB X 6.4 mm thick of IS 3589 or equivalent ERW Pipe for HDPE duct and OFC.

Miscellenous Balance activities for Pipeline Laying / Installation by HDD

323.9 7.9/8.7 mm API 5L Gr. X-70 3 Layer PE Double random Coating (Externally) (approx. 11.5 m to 12.5 m)

RETREVAL OF PIPE FROM STUCK HDD

Complete work for retreval of pipe string during pulling by back pulling method or any other approved method or as per direction of EIC without damaging the string and handingover to Client. ( Stuck String length upto 12'' NB dia x 100 Mtr. Length )

Note: Any other activies as required to be performed shall be payable to the contractor through rate available else where in SOR.

Note : (i) The width indicated are not for any single crossings. This shall be as per requirement at site for crossing at different locations.

(ii) Width of the crossings are indicated in respective Crossing drawing enclosed with the tender document. Crossing width may vary as per site condition. String length for HDD shall vary as per design calculations so that pipe is not under stress as permitted by codes/ specifications. However final length of string & cover from top of pipe shall be decided and approved by concerned Authority / Engineer-in-charge.

(iii) It is sole descretion of the Contractor to do HDD crossing of mainline pipe as well as CS conduit pipe either by suitabily strapping together both the carrier pipe & CS conduit and pulled through the same drill hole or making separate HDD for 6" CS conduit for OFC laying at minimum 4m distance apart from centreline of HDD of mainline either side. However, authority requirement shall be binding on Contractor. No separate payment for HDD for 6" CS conduit shall be paid.

(iv) Payment for the length of final tied-in carrier pipeline string with mainline and CS conduit laid by HDD method are inclusive in the above item rate and no separate payment shall be made under other clause mentioned elsewhere.

(v) This item no.: A00901 , A00903 is applicable for Railway crossings, specific road crossings (in case of requirement as per concerned authority permission) and waterbody crossings or any other location duly approeved by EIC. The above rate is also applicable in case of change in crossing methodology of any particular crossing.

(vi) Payment for supply of CS conduit shall be made as per rates available elsewhere in the SOR.

(vii) Item rate mentioned under SOR item no.: A00903 above is only for successful pulling & post hydrotesting of laying through HDD method., however Miscellenious activities required for string prepration , pre-testing , joint coating...etc shall be payable to the contractor as per rate available else where in SOR.

(viii) Activity Rate as required for recovery shall be as per rate available in SOR.

(ix) Joint site visit shall be carried-out for finalization of crossings methodlogy and Payment shall be made accordingly as per relevant SOR item.

GAUGING AND PRE & POST HYDROTESTING IN VARIOUS CROSSINGS

Other works pertaing to the various crossings has been already completed by earlier contractor , bidder have to supply all material, manpower, equipments, consumables and resourses …etc to complete crossing activities

Gauging

Crossing work has been already completed by earlier contractor, however gauging of following crossings as mentioned below is balace to be carried out :

As per specification and procedure approved by Engineer–in–charge (EIC)/ RCM.

12", API 5L Gr. X-70 PSL2, 7.9/8.7 mm THK, 3 Layer PE Coating

Pre-Hydrotesting for Pipeline String

Complete work for cleaning , gauging, pre-hydrotesting of Pipeline string for 04 hours and pressure as per tender specification / approved procedure including all manpower, tools & tackles, consumables, equipment, labour, etc. and other incidental works;carrying out all temporary, ancillary, auxiliary works required for successful pre-hydrotesting as per specification and direction of EIC.

Note: Quantity indicated above is tentative may increase/ decrease or delete as per site requirement.

Post Hydrotesting for Crossings

Carrying out cleaning, pigging and hydrostatic testing including air cleaning, flushing, filling, gauging, pressurization of complete pipeline section as approved by Engineer-In-Charge to the specified test pressure, providing all equipment, pumps, fittings, instruments, dead weight tester, test headers, pressure recorder, all types of pigs etc., and services, supervision, labour, consumables, water including supply of corrosion inhibitor, air, etc. as required and successful completion of hydrotesting of pipeline crossings to acceptance criteria defined in the specifications.

12", API 5L Gr. X-70 PSL2, 7.9/8.7 mm THK, 3 Layer PE Coating

NOTE- (i) The quantities mentioned against the above SOR items are tentative and may vary depening upon the site condition during execution stage. (ii) The total quantities mentioned against the above SOR items are applicable for multiple/various crossings at different locations of BGPL Spurline Project. (iii) Payment for above item shall be made only for the certified executed length of pipeline/crossings by Engineer–in–charge (EIC)/ RCM. (iv) The requirement of gauging of crossings after pulling of HDD section shall be carried out as per MECON specification / OISD / PNGRB and same shall be approved by Engineer–in–charge (EIC)/ RCM. (v) Post hydrotest of crossings shall be min at 1.5 times of design pressure and max. pressure equal to 95% of SMYS of pipe material based on the minimum wall thickness in the test section. (vi) Gauging as required shall be payable to contractor from item available else where in SOR.

(vii) Quantity mentioned above item is for crossings for which pulling has been already completed by earlier contractor.

MAINLINE HYDROTEST

Carrying out cleaning, pigging and hydrostatic testing including air cleaning, flushing, filling, gauging, pressurization of complete pipeline in various test sections as approved by Engineer-In-Charge to the specified test pressure, providing all equipment, pumps, fittings, instruments, dead weight tester, test headers, pressure recorder, all types of pigs etc., and services, supervision, labour, consumables, water including supply of corrosion inhibitor, air, etc. as required, locating of leaks, if any, occured during hydrotesting attributable to contractor either by further sectionalising or any other suitable standard recommended practice with due approval of Engineer-in-Charge and rectification of defects, retesting after rectification, successful completion of hydrotesting of pipeline to acceptance criteria defined in the specifications.

12", API 5L Gr. X-70 PSL2, 7.9/8.7 mm THK, 3 Layer PE Coating

(Note : (i)Leak detection, its rectification and successfully re-hydrotesting shall be carried out by Contractor with a view that completion of all activity for successful hydrotesting is not inordinately extended, which will hamper the overall project schedule. Further, no extra payment claim shall be entertained for re-hydrotesting and leak detection if defects found attributable to Contractor. In case any leak is found in pipeline laid by earlier contractor, same shall be payable to contractor from the item available else where in SOR.

(ii) The above rate hydrotesting of complete pipeline section including hydrotesting of all crossing sections (including those of HDDs performed by earlier contractor/separate agency), if any) along-with the mainline.

(iii) Quantity indicated above is for testing of 12'' x 3.0 km spurline to Bongaigoan & 12'' x 6.2 Km Spurline to Noormati

PERMANENT MARKERS

Supply, fabrication and installation of following types of permanent markers along the route including all associated civil works such as excavation in all types of soil, construction of pedestals and grouting with concrete, cleaning, supply and application of approved colour and quality of primer and paint, stencil letter cutting for numbers, direction, chainage, etc., restoration of area to original condition and performing all works as per drawings, specifications and instructions of Engineer-in-charge.

Pipeline Warning Signs

Right-of-way boundary markers

Kilometer Posts

Direction Markers

Aerial Markers

Navigable Waterway Markers

Note : Final quantities of Marker may vary. This may be confirmed by EIC before fabrication.

REPAIR OF DEFECTS IN LINE PIPE AND PIPE COATING (ATTRIBUTABLE TO OWNER)

Repair of Owner supplied line pipe and external corrosion coating of all thicknesses noted at the time of taking delivery by Contractor, including performing all works as per specifications and directions of Engineer-in-charge.

Repair of coating defects in 3-Layer PE Coating Line Pipe

Repair of Holiday in Coating

Supply of all coating repair materials as per specification to be compatible with line pipe coating material and as per the requirements of the relevant specifications, supply of all consumables, utilities, equipment, and all manpower required, pipe cleaning and surface preparation repairing of coating defects (resulting in holiday in coating) and testing including all handling, transportation, etc. for line pipes, performing all works necessary for the completion of the works strictly in accordance with the relevant specification and instructions of Engineer-in-charge. This rate shall be applicable per sq.cm of the exposed steel area.

Repair of Defects in Pipes

Cutting and rebevelling (dents / damage in bevels exceeding 3mm in depth)

Jack out (dents in bevels ranging between 1mm and 3mm in depth)

LEAKS/ BURSTS (Attributable to Owner)

Major Leak/ Bursts (Detected by visual method) : All works for locating & detection of leak/ burst (occurred during hydrostatic testing) including necessary repairing/ replacing defective pipe lengths, including cutting out and removing the defective pipe, pretesting the replacement pipe, welding into mainline, and NDT of welds, repair and re-testing of defective welds, coating of welded joints, clean-up, retesting the full test section of pipeline including providing all labour, materials, consumables and inputs other than Owner supplied materials and performing all works as per drawings, specifications enclosed with the tender/ contract document and directions of Engineer-in-charge

Major leak (Detected by visual method) For pipeline size 323.9 mm (12") OD

Note: (1) This rate is applicable for any number of repairs required in the section for manufacturing defects in Owner supplied material only.

(2) Leak detection, its rectification and successfully re-hydrotesting shall be carried out as per approved procedure by Contractor with a view that completion of all activity for successful hydrotesting is not inordinalely extended which will hamper the overall project schedule.

Minor Leak (Detected by sectionalizing method) : All works for locating leak by sectionalizing or any other methods which can not be located by visual means, (occurred during hydrostatic testing) including necessary repairing/ replacing defective pipe lengths, including cutting out and removing the defective pipe, pretesting the replacement pipe, welding into mainline, and NDT of welds, repair and re-testing of defective welds, coating of welded joints, clean-up, retesting the full test section of pipeline including providing all labour, materials, consumables and inputs other than Owner supplied materials and performing all works as per drawings, specifications enclosed with the tender/ contract document and directions of Engineer-in-charge

Minor leak (Detected by sectionalizing method) For pipeline size 323.9 mm (12") OD

Note: (1) This rate is applicable for any number of repairs required in the section for manufacturing defects in Owner supplied material/ Work executed by earlier contractor only.

(2) Leak detection, its rectification and successfully re-hydrotesting shall be carried out as per approved procedure by Contractor with a view that completion of all activity for successful hydrotesting is not inordinalely extended which will hamper the overall project schedule.

DIGITIZATION OF RADIOGRAPHY FILMS:

Carrying out digitization of all radiographic films (mainline and terminal piping) in the form of digital images (which can then be archived safely for long life and electronic retrieval) complying to all the legal local rules, codes and international standards. Submission of digital images of radiographic film along with compatible software in 6 sets of CD/DVD for electronic viewing /retreival. Note ; In case, bidder performs radiography against AUT, Digitization of the same is also inclusive in the quoted rates.

VIDEOGRAPHY & PHOTOGRAPHY

Carrying out the videography & Photography of the pipeline section construction activities. The work shall be carried out in two phases.

Videography & photography of the entire route prior to construction activities i.e. pipeline route, location of various stations, TOP, all crossing like road / railways, river, etc.

Videography & photography during construction activities of Mainline Works i.e. Stringing, Welding, Radiography, Joint Coating, Lowering, Backfilling, etc. performing all works as per specification of EIC and other provision of contract document.

1. Bidder have to execute viedography and phography of all activities under scope of present tender and quote accordingly.

Hook Up with existing Pipeline/Hot work

Complete work for hook-up through wleding required to be carriedout in existing Pipe Line network, including purging of nitrogen, cleaning ,removal of coating,cutting of pipe section, NDT of joints & coating for u/g pipeline/piping by high built epoxy of minimum 500micron and painting for a/g piping as per specification & direction of engineer Incharge.

12'' dia Joint

Note: Quantity indicated above is for complete work required to be carriedout for inter-connection of pipeline with existing pipeline.

MAGNETIC CLEANING AND ELECTRONIC GEOMETRY PIGGING

Mobilisation/demobilisation of pigging tools, tackles, consumables, accessories and personnel by contractor at work site including but not limited to magnet pig, electronic geometry pigs and pig tracking device, temporary launcher and receiver as per specification and other provision of the bid document including supply of material, equipment, manpower, etc. as required for geometry inspection and magnet cleaning including calibration of magnetic and caliper tools at works site, running of adequate no. of magnet pigs and electronic geometry pigs (caliper) including pig tracking at 1 to 5 Km interval, preparation of site report on pipeline, data analysis at Contractors facility as per specification and provisions of the Bid Document.

Complete work for repair of defects recorded during EGP/gauge plate run by cutting, beveling, welding, radiography, field joint coating … etc; as applicable, for 12'' NB dia Pipeline including all requisite equipment, manpower , labor, supervision, materials,electrode, consumables, films, coating material as per specification and instruction of EIC.

PRE-COMMISSIONING OF ENTIRE UNDERGROUND PIPELINE AND TERMINALS / STATIONS.

Pre-commissioning activities and pre-commissioning checks to the specified acceptance criteria, making the entire pipeline system ready for commissioning, providing assistance during the complete duration of commissioning operations, supply of all equipment, manpower, consumables (including pigs and required quantity of nitrogen for valve operations) materials for all temporary works and performing all associated works, complete as per the relevant specifications, other provisions of Contract document and instructions of Engineer-in-Charge.

Precommissioning Checks

Pre-commissioning of pipeline including terminals / stations.

Dewatering and swabbing

Dewatering and swabbing of pipeline including terminals / stations.

Note: For swabbing, maximum five (5) runs (of combination of low density and high density Pigs) shall be carried out.

DRYING

Complete work of carrying out drying by vaccum drying method of pipeline section including supply of manpower, equipments & consumables, materials for all temporary works and performing all associated works, complete as per the relevant specifications, other provisions of Contract document and instructions of Engineer-in-Charge.

Drying by vaccum drying method

COMMISSIONING ASSISTANCE AND COMMISSIONING

Providing commissioning assistance to other sections and commissioning of the section including all stations and including supply of all consumables, nitrogen, all equipment, manpower, etc., complete as per requirement of specifications, other provisions of contract document and instruction of Engineer In-charge.

IDLE TIME PRESERVATION:

Preservation of complete pipeline section including sub sections, associated facilities and terminal facilities (installed by Contractor) for a period of one month and its maintenance by filling and pressurising with nitrogen to a positive pressure of 2 bars (g). Supply and maintenance of nitrogen at required pressure, including supply of all consumables, nitrogen, all equipment, manpower, etc., complete as per requirement of specifications, other provisions of contract document and instruction of Engineer In-charge.

Preservation and Maintenance of pipeline at a positive pressure of 2 bars (g) beyond 1 month.

TRANSPORTATION OF FITTINGS, FLANGES, VALVES, FABRICATED SPOOLS…. ETC.

"Receiving and taking over", handling, lifting, loading on truck, transportation and unloading of Company supplied fittings, flanges and valves, fabricated spools... etc from any other storage yard (other than the designated storage yard/earlier contractor storage yard for the project) to worksite / contractor's storage yard/ any other storage yard or as decided by EIC. The above work also includes stacking the flanges, fittings and valves etc. properly. Above work shall be carried out as per standard drawing, specification, instruction of Owner and other provision of contract document.

Notes: i) The quantities given in above item no. are tentative only and shall not be considered to be binding. The quantities may be increased, decreased or deleted as per the actual site requirement and instructions / recommendations of Owner. The unit rate shall be operated to work out the final payment to the contractor.

ii) Above price shall be inclusive of all type of taxes & duties, transit insurance during transportation & other insurance etc. including all financial & commercial implication as per the tender document. No other payment except as per quoted unit rate & executed quantities will be payable by the Owner.

Notes: Handling, lifting, loading on truck, transportation and unloading of Company supplied fittings, flanges and valves, fabricated spools from earlier contractor storage yard for this project to GAIL designated stote shall be payable through above item rate.

TRANSPORTATION OF LINE PIPE FROM LOCATION OTHER THAN DESIGNATED STORAGE YARD

"Receiving and taking over", handling, lifting, loading on trailers, transportation and unloading of Company supplied line pipe from any storage yard (other than the designated storage yard/earlier contractor storage yard to the worksite / any other storage yard or as decided by EIC. The above work also includes stacking the pipes on wooden sleepers/ sand pads. Above work shall be carried out as per standard drawing, specification, instruction of Owner and other provision of contract document.

Notes: i) The quantities given in above item no. are tentative only and shall not be considered to be binding. The quantities may be increased, decreased or deleted as per the actual site requirement and instructions / recommendations of Owner. The unit rate shall be operated to work out the final payment to the contractor.

ii) Above price shall be inclusive of all type of taxes & duties, transit insurance during transportation & other insurance etc. including all financial & commercial implication as per the tender document. No other payment except as per quoted unit rate & executed quantities will be payable by the Owner.

iii) Safe storage of transported linepipe till installation , reconcillation & handingover to client shall be part of the above item.Contractor has been advised to quote accordingly.

Note: Handling,lifting,loading, transportation, unloading and stacking line pipe Other Storage yard to GAIL designated Store is part of the above item. However Line Pipe transportation from previous contractor storage yard/ ROU shall be payble through SOR item no. : A00208.

LONG RADIUS BENDS

Supply of Long Radius Bends (R = 6D) for 12" dia.pipe, X-70 (thk. 8.7 mm) as per T.S. (No. MEC/TS/05/62/015) & Data Sheet enclosed in Tender Document (Bare pipe for LR Bends shall be free issue to the contractor).

Note : The quantities of LR Bends may vary. For final quantity, approval shall be taken by EIC before order.

SUPPLY AND COATING OF CS CONDUIT

Complete work of supply of carbon steel pipes required for crossing, including all taxes, duties, transportation and inspection charges but not limited to, the following items in accordance with relevant specifications indicated in scope of work indicated in SCC, drawings, specification and instructions of Engineer-in-charge and as per all provisions of the CONTRACT DOCUMENT.And also Handling including lifting, transportation from earlier Contractor Stores / GAIL designated store to CONTRACTOR's workshop for fabrication and/ or to work site.

All works related to supply of CS conduit of size 150 mm (6 inch), 6.4 mm thick IS 3589 (Fe 410) or equivalent ERW pipe for various crossings.

All works related to coating of CS conduit of size 150 mm (6 inch), 6.4 mm thick with coal tar epoxy coating of minimum 600 microns (after proper cleaning) including supply of coating material, consumables etc.

Note : Quantities Mentioned above is tentative and may increase/decrease or delete based on site requirement, hence contractor have to take pripor approval from EIC before order placement.

DE-MOBILIZATION AND RE-MOBILIZATION

De-Mobilisation of complete manpower, equipment, tools and tackles etc (in case of complete site activities are stalled or due to reasons solely attributable to owner or due to Force Majure) and remobilization of the same within 1 month including setting up of various facilities required to carry out the works as per direction of Engineer- In-charge. Time interval between any set of Demobilisation and Re-Mobilisation shall be maximum 6 months. List of various equipment and manpower to be remobilized for this purpose shall be as per APPENDIX-X and XI to PJS (mechanical) respectively.

SUPPLY OF WARNING MESH

Supply of warning mesh as per EN:12613 standard (latest edition) & as per relevant clause mentioned in PJS enclosed in the bid document.The material of warning mesh shall be of high density polyethylene and non biodegradable type. It shall have non-toxic and anti rodent properties.

12" NB Pipeline

AS-BUILT DRAWINGS, FINAL DOCUMENTATION, NOC's AND CONTRACT CLOSURE

As-BUILT DRAWINGS

Preparation of As-built drawings, pipebook , pipeline drawings showing the details of waterbody crossings, road, highways, type of terrain, location of pipeline facilities , other records etc , as per requirement, specifications, standards, drawings and other provision of contract document for spurlines.

Spurline to Bongaigaon Refinery ( 12'' x 3.0 Km)

Spurline to Noonmati Refinery ( 12'' x 6.2 Km)

HANDINGOVER OF BALANCE PIPE TO CLIENT

Collection of linepipe left in ROU/ work site by previous contractor/ Previous contractor storage yard its handling, loading, unloading and transportation , prepration of bevel , stacking and handing over to client as per direction of EIC.

FINAL DOCUMENTATION, NOC's AND CONTRACT CLOSURE

Complete work for final documentation as per requirement of tender /EIC including submission of NOC's from landowner/ farmers/concern authorities , Material reconcillation of free issue material and contract closure .

Spurline to Bongaigaon Refinery ( 12'' x 3.0 Km)

Spurline to Noonmati Refinery ( 12'' x 6.2 Km)

Note: (i) Above item scope includes the work carried-out by previous contractor.

(ii) Above item scope is beyond the scope of SOR item No.: A00100 ie; Pipeline Laying/Installation and shall not be payable to contractor. Bidder's are requested to quote accordingly.

(ii) Documents pertaining to the work carriedout by previous contractor made available to successful bidder/contractor.

ROU MANAGEMENT FOR MAINLINE WORKS

ROU management of entire pipeline route and maintenance of ROU upto completion of entire Mainline works (including CP and Telecom works); all type of liasoning/coordination with local people/villagers, farmers, land owners or any other person/ institution etc. directly or indirectly linked with the pipeline/affected by the pipeline laying activities for ensuring hindrance-free construction works at site; obtaining NOC from respective land owner(s), farmers etc. as and when required; Liasoning/Coordination and obtaining work permits, NOC from various statutory authorities having jurisdiction for execution and complying with all stipulations/ conditions/ recommendations of the said authorities.

Sub-Total Section A

SECTION-B [TEMPORARY CATHODIC PROTECTION WORKS)]

Survey, Design, detail engineering, Manufacturing, Inspection/FAT (Factory acceptance test), supply, Packing, transportation to site, storage at site, handling, transportation, loading, installation, testing & commissioning of the temporary Cathodic protection system using Mg (Min 5.0 Kg Each)/ Zn galvanic anodes to protect the external surface of 12”dia x 9.20 km (approx.) long 3LPE Coated pipeline from From Despatch terminal at R/T Guwahati (Ch. 0.00 Km) to receiving terminal at Noonmati refinary (Ch.6.20 Km) and from Despatch terminal cum SV-24 (Ch. 0.00 Km) to receiving terminal at Bongaigaon refinary (Ch. 3.0 km) against corrosion for a design life of minimum 2 year or till commissioning of PCP system as per standard specification enclosed with the tender for temporary cathodic protection system, scope of work, approved design document, data sheets & drawings. Scope shall also include but not limited to the following for completion of jobs:

Soil resistivity Survey & soil/water chemical analysis

Measurement of soil resistivity along the right of way of the main pipeline (At 500mtr Interval at depth of 1.5M, 2.5M & 3.5M) & collection of additional data as per specification for corrosion survey MEC/TS/05/21/016C & applicable NACE standard including preparation of Design, detailed engineering, preparation of design document, preparation of Test station schedule & Bill of Material.

Collection of soil & water samples along ROW at depth of 1M, 2M & 3M at every 5 km interval (Min 03 sample at each location) for its chemical & microbial analysis along the pipeline route as per specification for corrosion survey MEC/TS/05/21/016C & NACE Standard TM0106-2006 for detection of SRB, ARB & Total dissolved H2S etc.

Sacrificial anodes- Pre packed Mg anodes (Supply, installation, testing & commissioning)

Prepacked Magnesium anodes for Carrier/Casing Pipe protection (Min 5.0 Kg Each) as per tender specification (1/2/3/4 Nos. of anodes). The total nos. of anodes shall be calculated as per the corrosion survey, soil chemical analysis, total weight and current requirement of the pipeline section. However, Min one anode is to be installed at every one KM with test station.

Supply, laying, termination, Glanding and ferruling TCP-Cables--The Cables shall be annealed high conductivity, stranded copper conductor, 650/1100V grade, XLPE Insulated & PVC Sheathed in new/existing test stations and junction boxes.

1c x 6 mm2 - Anode tail cable - unarmored

1 core x 6 mm2 - Potential Measurement, TLP to pipeline, armoured

1 core x 10 mm2 - current measurement cable & Pipeline to Test station- armoured

1 core x 25 mm2 -Bonding, Earthing, Surge diverter, HT line, etc.

Test Stations (Supply, installation, testing & commissioning)

New test stations Normal Size-(Weather Proof with IP-55) as per tender drawings with name plate

New test stations Big Size-(Weather Proof with IP-55) suitable for Polarisation Cells as per tender drawings with name plate

All Cable to pipe connections by Exothermic Process or Pin Brazing for all sizes (Upto 1C x 25mm2) for complete TCP system of whole pipeline.

Supply, installation, testing & commissioning of Solid State type Polarisation cells (3.7 kA @ 30 Cycle) for HT power line crossings (66KV & above).

Supply, installation, testing & commissioning of 20 Kg Sacrificial Zinc anodes for HT line crossing, Earthing of block valves on Cathodically Protected portion of pipeline.

Supply, installation, testing & commissioning of Cu-wire mitigator for AC Mitigation encased in low resistance backfill with corrosion inhibitors and braiding (M/s MATCOR make or equivalent) (20 Mtr wire shall be installed on each side of HT crossing, Cables running parallel etc).

Supply, installation, testing & commissioning of Solid state Surge Diverters rating 100 kA (10/350 uS) for Insulating Joints.

HDPE sheet (Non-toxic and Rodent Resistant, 6mm thick & 5000mm wide (1200mmx5)) between the Client's pipeline and the other CP protected foreign pipelines at the crossing locations for providing electrical isolation.

Supply, installation, testing, commissioning of the complete earthing protection system, earth electrodes/ pit, earth main ring, earthing of electrical equipments, instrument panels, field instruments, process equipments and pipes/ flanges including all associated civil work with all material and labour as per specification and drawings approved by the company.

Earthing Electrodes 65mm dia x 3mtr long & 4.5 mm thick GI pipe for earthing of cathodically unprotected pipeline at consumer station/DRS station/Metering skid and earthing. Total grounding resistance shall be limited to 2-3 Ohm max.

GI Strip (50X6) mm

GI Strip (25X3) mm

Copper Strip (25X3) mm

GI Wire (8mm-Stranded), Cu- wire rope (Min 8 mm dia solid) and all balance earthing material including copper strip (50 mm x 2 mm thick) jumper for flanges etc. as per the specification for all stations.

Monitoring of the TCP system, on monthly basis, till commissioning of the permanent cathodic protection system.

Supply, installation, testing & commissioning of Polarisation coupons (100 mmx 100mm) with Magnetic reed switch as per NACE SP 104 with permanent ref cell,as per scope of work.

Supply, installation, testing & commissioning of external electrical resistance Probe (01 no. ER probe with 1 no. ER probe reading instrument) probes utilizing the electrical resistance technique shall be provided along the pipeline at marshy / vulnerable locations to monitor the external corrosion activity on the pipeline. Location of external ER probe shall be decided during detail engineering.

Sub-Total Section B

SECTION C (PIPING & MECHANICAL WORKS)

PLANT PIPING (ABOVEGROUND) FABRICATION, ERECTION, INSTALLATION AND TESTING OF PIPING :

Transportation including loading, unloading, handling of all piping items from Owner's and/ or Contractor's storage point to work site/ workshop as applicable, complete work of fabrication, erection, painting, testing of pipes, flanges and fittings and making ready for further Commissioning / Start-up of carbon steel piping of all sizes and ratings including supply of all consumables, equipment, manpower and other resources and execution of, but not limited to, the following works in accordance with relevant specifications indicated in SCC & scope of work indicated in SCC, drawings, specification and instructions of Engineer-in-charge and as per all provisions of the CONTRACT DOCUMENT.

Fabrication including cutting, edge preparation, inclusive of grinding the edges of pipes, fittings, flanges etc. to match with the matching edges of uneven/different thickness wherever required, welding, attachment of all pipe fittings like elbows, tees, reducers. Supply of nipples, coupling etc. as required for completion of job.

Weldolets, sockolets, flanges, vent and drain point connection etc., including providing stub-in connections, fabricated fittings and reinforcement pads etc., as required.

Erection including prior cleaning, lifting, placing on pipe sleepers and supports, overhead on racks, skids and at all elevations including installation and carrying out connected activities for all types of valves including supply and fixing of gaskets, studs/ bolts, nuts wherever required for all sizes, levelling, aligning, joining of flanges, blind flanges, connecting with equipment, nozzles, strainers, tie-in with existing piping/facilities, etc. tapping for inline instruments like pressure gauges, thermowells, sample connection, etc.

Preparation of final bill of material based on piping GADs.

Preparation of isometric and fabrication drawings.

Carrying out 100% Non-destructive testing.

Surface preparation before application of primer by means of sand blasting including supply of approved quality of sand, manpower, machineries, tools & tackles to achieve required roughness as per specification and as per instruction of Engineer-in-charge.

Painting of entire system (including aboveground all pipes fittings, flanges and accessories) as per specification MEC/S/05/21/07 suitable for highly corrosive area environment including supply of approved paints and primers, application of primer and paints, indentification lettering/ numbering, colour coding, etc. as specified including rub down & touch up of shop primer or scrapping of shop primer wherever required by COMPANY and providing scaffolding for all heights etc.

Cleaning and flushing by water/ compressed air, testing of the systems including hydrostatic, pneumatic and any other type of testing as specified, draining, drying by compressed air/other methods approved by COMPANY.

Precommissioning & making operational all piping system and equipments and provide all necessary assistance in terms of supply of man-power, equipment, tools and tackles required amount of nitrogen for purging of entire terminal piping system including equipments etc.

Clean-up and restoration of site, preparation of as built drawings, documents and project records; transportation of surplus free issue material to Owner's designated place(s) as mentioned in Annexure-2 to SCC; completing all works in all respects as per the AFC drawing, specifications, standards and other provisions of Contract and instruction of Engineer-in-charge.

Completion of all such work in all respects as per scope of work and as per drawings, specifications and instructions of the COMPANY and keeping the system ready in all respects for commissioning and start up.

Hook-up works (with client/ consumer piping at battery limits) wherever required.

Complete Carbon Steel Piping Work with painting including all fittings, flanges and supply of all required gaskets, studs/bolts & nuts etc. as described under item 1.0 above

API 5L, Gr. X-52, PSL-2, Seamless, BE, 12" NB, S60

API 5L, Gr. B, PSL-2, Seamless, BE, 8" NB , 14.3

ASTM A333 Gr 6, Seamless BE, 8" NB, XS

ASTM A 106 Gr. B (Charpy), Seamless, BE, 4" NB, XS

ASTM A333 Gr 6, Seamless BE, 4" NB, XS

ASTM A 106 Gr. B (Charpy), Seamless, BE, 2" NB, S80

ASTM A333 Grade 6 Seamless, BE, 2" NB, XS

ASTM A 106 Gr. B, Seamless, PE, 1½" NB, S80

ASTM A 106 Gr. B, Seamless, PE, 1" NB, S80

ASTM A333 Grade 6 Seamless, BE, 1" NB, XS

ASTM A 106 Gr. B, Seamless, PE, ¾" NB, S160

ASTM A333 Grade 6 Seamless, PE, ¾" NB, S160

Note:- 1) Pipe Specification and thickness may vary depending upon availability of pipe. No extra payment shall be made for this. 2) All butt welded fittings end shall generally match with connecting pipe wall thickness. However, in case of misalignment, Contractor shall have to do end preparation without any extra cost. 3) All coupling, nipples etc. as required shall be suplied by contractor but no separate payments shall be made as it is covered under erection rate. 4) NDT of Joints below 2" is to be included in above rate. However, payment of radiography of joints (2" and above) shall be paid seperately under SOR item for RADIOGRAPHY mentioned elsewhere in this SOR. 5) Surplus free issue material shall be transported to Owner's designated place(s) as mentioned in Annexure-2 to SCC

SUPPLY OF ASSORTED PIPE

Complete work of supply of pipes, flanges and fittings including all taxes, duties, transportation and inspection charges but not limited to, the following items in accordance with relevant specifications indicated in scope of work indicated in SCC, drawings, specification and instructions of Engineer-in-charge and as per all provisions of the CONTRACT DOCUMENT.

Handling including lifting, transportation from Contractor Stores to CONTRACTOR's workshop for fabrication and/ or to work site for field fabrication and erection for all piping items supplied by Contractor.

API 5L, Gr. X-52, PSL-2, Seamless, BE, 12" NB, S60

API 5L, Gr. B, PSL-2, Seamless, BE, 8" NB, 14.3

ASTM A333 Gr 6, Seamless BE, 8" NB, XS

ASTM A 106 Gr. B (Charpy), Seamless, BE, 4" NB, XS

ASTM A333 Gr 6, Seamless BE, 4" NB, XS

ASTM A 106 Gr. B (Charpy), Seamless, BE, 2" NB, S80

ASTM A333 Grade 6 Seamless, BE, 2" NB, XS

ASTM A 106 Gr. B, Seamless, PE, 1½" NB, S80

ASTM A 106 Gr. B, Seamless, PE, 1" NB, S80

ASTM A333 Grade 6 Seamless, BE, 1" NB, XS

ASTM A 106 Gr. B, Seamless, PE, ¾" NB, S160

ASTM A333 Grade 6 Seamless, PE, ¾" NB, S160

MISCELLENEOUS LEFT OUT WORK RELATED TO ERECTION/INSTALLATION, TESTING & PAINTING

Erection including prior cleaning, lifting, placing on pipe sleepers and supports, overhead on racks, skids and at all elevations including installation and carrying out connected activities for all types of valves including supply and fixing of gaskets, studs/ bolts, nuts wherever required for all sizes, levelling, aligning, joining of flanges, blind flanges, connecting with equipment, nozzles, strainers, tie-in with existing piping/facilities, etc. tapping for inline instruments like pressure gauges, thermowells, sample connection, etc.

Cleaning and flushing by water/ compressed air, testing of the systems including hydrostatic, pneumatic and any other type of testing as specified, draining, drying by compressed air/other methods approved by COMPANY.

Surface preparation before application of primer by means of sand blasting including supply of approved quality of sand, manpower, machineries, tools & tackles to achieve required roughness as per specification and as per instruction of Engineer-in-charge.

Precommissioning & making operational all piping system and equipments and provide all necessary assistance in terms of supply of man-power, equipment, tools and tackles required amount of nitrogen for purging of entire terminal piping system including equipments etc.

Note: Quantity mentioned above is for partly completed work by previous contractor. Quantity may increase/decrease or delete as per site requirement.

ERECTION OF VALVES ( As per P & ID )

Handling including lifting and transportation from COMPANY's warehouse to CONTRACTOR'S Stores and/or work site and installation of all types of valves, including assembly of valve accessories, (if any) by bolting, threading or welding, supply and insertion of gaskets, nuts & bolts, nipples, etc. at all elevations of pipe sleepers, supports or overhead on racks, equipments nozzle, skid & painting etc. supply of all consumables, manpower, equipment, etc. for completion of all works as per scope of work and as per drawings, specifications and instructions of Engineer-in-charge including servicing/ cleaning of valve wherever required.

Welded Valves (Full Bore/ Reduced Bore)

Ball/ Plug/ Globe Valves

Flanged Valves (Full Bore/ Reduced Bore)

Ball/ Plug/ Globe Valves

Sockolet Welded Valve (Ball / Plug / Valves)

Ball Valve (Welded End, AV/HOV/GOV)

SAFETY RELIEF VALVES

Installation of safety relief valve of inlet size range (1" to 2") and outlet size range (2" to 3") on scrapper trap alongwith companion flanges with all accessories including but not limited to gaskets, nuts, bolts, fixtures, clamps etc. required and providing high vent for discharge. Installation shall be as per API RP 520; final coat of painting, set pressure testing & commissioning as per scope of work

PSV (on Scrapper Trap), 600#/150#

PIPE SUPPORTS & OTHER STRUCTURES

Supply, fabrication and erection of all types of pipe supports like clamps, saddle, guide stops, cradles, turn buckles, anchors, T-posts; stockade/ trestle and pipe bridge for overhead piping; frames for canopy, approach ladders and platforms, crossover, cable tray supports, etc. including painting suitable for highly corrosive area as per specification, labour and supervision & complete work as per drawings, specifications and instruction of Engineer-in-charge. (Bolts, nuts, washers, U-clamps etc. for supporting shall be supplied by the Contractor within the rates quoted. These items will not be measured and will not be paid seperately). The work is to be completed in all respect as per scope of work and specification.

RADIOGRAPHY

Performance of radiographic inspection by gamma radiation as per scope of work and as per specifications in piping of all types and thickness including providing/hiring of all necessary equipments, supply of all consumables, and whatever else even though not expressely mentioned but required to perform the work as per specifications and instructions of Engineer-in-Charge (full circle re-radiography of the repaired joint and additional radiography necessitated due to poor performance of contractor's welder shall be carried out by the Contractor at his own cost and shall not be paid extra by Company). Radiographs shall be submitted to the Engineer-in-Charge for acceptance, whose decision shall be final and binding.

ERECTION OF VESSELS, SKIDS & EQUIPMENTS

Handling, including lifting, transportation from Company's stores to Contractor's work-shop for fabrication or/ and to worksite for field fabrication, assembly of parts/ sub-assemblies, erection for all vessels, equipments supplied by company above ground/ underground at all elevation/ depth, fixing of foundation bolts, welding wherever required, aligning, grouting, hooking-up, cleaning and flushing by water draining, drying by compressed air, providing all mountings, ancilliary, enabling works as required and completing in all respect as per drawings, specification and instruction of Engineer-in-charge. Contractor's scope shall include supply of all material and accessories including but not limited to any fixtures, clamps, gasket, nut bolts, finish coat of painting including rub down & touch up of shop primer/ paint scrapping of shop primer/ paint and further their painting after application of primer as per specification, wherever required by Company.

Approx. erection weight and Details of major equipments are as under (Refer P&ID included with Tender).

Details of major equipments are as under

Scrapper Trap (2 nos.) with Pig Handling Device, Chain Pulley Block for each & metering skid (2 nos.)etc.

LEAKS/ BURSTS (ATTRIBUTABLE TO OWNER) FOR TERMINAL PIPING

All works for leak/burst (occurring during hydrostatic testing) including necessary repair/replacement of defective pipe length, including cutting and removing out defective pipes, welding, NDT of welds, repair and re-testing of defective welds, painting of welded joints, clean-up, re hydro testing of the pipe segment including providing all necessary equipments, labour, materials, consumables and inputs other than Owner supplied materials and performing all works as per drawings, specifications enclosed with the Contract and directions of Engineer-in-Charge.

Note : This rate shall be applicable for manufacturing defects in Company supplied materials only.

Sub-Total Section C

SECTION-D [ STEEL STRUCTURAL WORKS ]

Supply, fabrication & erection of Steel structure

Supply, fabrication and erection of all types of pipes supports, approach platform for valve operation, crossover structure, or any other structures required for works, etc. including surface preparation, painting as per specification, including loading, transportation and unloading delivery at erection site of all fabricated structures, storage and handling at site, site assembly and finally erection of structures at appropriate location, alignment and welding of all structures true to line, level, plumb and dimension. The work shall be completed in all respect as per drawings, technical specification and direction of the Engineer-in-Charge. (The cost & weight of MS bolts and nuts (permanent and service), washers, electrodes, putty, gases, shims, packs, cost of straightening of raw materials, Built up section at any shape, cutting of flats from plates and providing splices, paints, tools, plants, testing of materials, etc and all other consumables as required for the work shall be deemed to be included in the quoted rates.)

Providing and fixing of chain link fencing

Supply, fabrication and erection of structures such as angle iron post , Channel post,Strainer and strut,etc.with necessary holes for fixing the chain link fencing,site assembly and finally erection of structures at appropriate location including surface prepartion with painting as per specification,including 2.4m high G.I. Chain link fabric fencing mesh size 50x50x3.15 mm dia, with 0.6 m heigh barbed wire (type-A) as per IS:278-1978 shall be made from two strands of galvanized steel wire of nominal dia 2.5 mm twisted together fixed on angle iron posts with GI staples, turn buckles,all necessary fitting etc, including strengthening with 4 mm dia wire Nuts bolts and washer complete in all respects.All work as per Specification and drawings and as direction of the Engineer-In-Charge. (excluding foundation, Refer Tender drawing)

Providing and fixing of chain link Fencing Gates

Supply, fabrication & fixing of fencing Mild steel gate 3.0m high with Chain link fencing mesh (as per detail in item no 2 above) upto 2.4m height and 0.6m barbed wire fencing including all fixtures like MS Pivot, locking arrangement, tower bolt etc., complete in all respects including surface prepartion, painting as per specification. The work is to be completed in all respect as per drawings, technical specification and direction of the Engineer-In-Charge (excluding foundations )

2m Wide Gate

Supply, fabrication & erection of MS Gate

Supply, fabrication and fixing in position steel entrance gate (as per the design shown in the tender drawing) supply of raw materials, transportation and delivery at site, unloading, storage and handling at site, site assembly and finally erection at appropriate locations. gates shall be fabricated out of channel and Sq Bar with all fixtures like MS Pivot, M.S sheet boxing ,locking arrangement, MS tower bolts, gate stopper, hold fast, MS wheel with ball bearing , MS tee bend to shape and embedded in the road surface for gate opening track , etc. including painting as per specification. The work is to be completed in all respect as per drawings and techanical specification and direction of the Engineer-in-Charge

5.5m clear opening width of gate in two panels with wicket gate

1.2m wide emergency gate

Providing and fixing chequered plate covers

Providing and fixing chequered plate in approved panel or over steel structure platform,cable and pipe trench including cutting, welding, hoisting, fixing in position,including painting as per specification, complete in all respect as per drawings , technical specifications and directions of the Engineer-In-Charge.

Supply, fabrication & erection of Display/Information/Warning Sign Board

Supply, fabrication and fixing in position of steel sign boards fabricated from pipes,angles, flats section including 3 mm thick plate with necessary cleat, clamps or necessary fixing arrangement including primer and paining of approved colour as per specification including Alphabets of approved size and font and Logo to be painted on Display,informatary,warning sign board with day glow paint shall be completed as per standard detail of GAIL/as per direction of E/C including fixing at appropriate location, ture alignment and embedded in PCC block .The work is to be completed in all respect as per drawings and techanical specification and direction of the Engineer-in-Charge(excluding PCC Block)

Notes:

The quantities indicated are estimated values and hence are approximate. Final payment will be made based on actual quantities to be certified by the Purchaser.

The cost & weight of MS bolts (permanent and service), washers, electrodes, putty, gases, cost of straightening the raw materials, cutting of flats from plates and providing splices, paints, tools, plants, electric power,water.other consumables, as required for the work shall be deemed to be included in the quoted rates.

All handling and transport charges of raw materials and fabricated structures including double handling, as required, for completion of work in accordance with time schedule, are deemed be included in the quoted rates

Sub-Total Section D

SECTION-E [TELECOMMUNICATION WORKS ]

Telecommunication Work related to OFC Network has to be carried out by the Bidder as defined in Scope of Work of Job specification, other specifications, drawings, other provisions of Contract and instructions of Engineer-in-Charge including but not limited to followings works. For all supply, the scope covers design, manufacturing, factory testing, inspection, packaging, forwarding, transportation, insurance, handling and storage at site etc. .

SUPPLY OF OFC & ACCESSORIES (as per MECON Technical specification MEC/TS/05/E5/T/096). OFC will be free issue.

Supply of Jointing Closures (suitable for 24 Fibre OFC ) including all accessories of approved make of GAIL/MECON only.(Planned Qty : 1 Nos , Spare Qty: 1 Nos)

Supply of Permanently Lubricated Telecom HDPE Duct & Accessories as per MECON TECHNICAL SPECIFICATION No. MEC/TS/05/E5/T/037.

Supply of 40 mm, permanently lubricated HDPE Telecom DUCT (1000 meter drum), Factory Acceptance Testing as per specification. (Qty with spares) Supply of spare HDPE accessories Plastic Couplers (PC), End Plugs (EP), Cable Sealing Plugs (CSP), End Caps (EC) etc suitable for supplied Duct (Qty as PC-20 nos, EP-20 nos,CSP-20 nos, EC-20 nos).

SITE WORK (as per scope of work, specification no. MEC/S/05/E5/T/001 of Bid documents)

Submission of optical fiber cable & HDPE alignment sheets as per the requirements of specification based on the existing pipe line survey (No separate survey reqd.), estimation of OFC & HDPE duct including all accessories in accordance with the alignment sheet and specifications. Laying work can not be started without approval of these documents from Client / Consultant / EIC.

Erection of HDPE Duct as per specification

Installation of 40mm OD, permanently lubricated HDPE ducts, in same pipeline trench direct buried or cased crossing through CS/ HDPE conduit (2 duct in cased crossing) in all type of soil & terrain, all work as define in mainline work, for terminal area or non pipeline area - excavation, padding, backfilling, Laying of common warning mat, cleaning and sealing of ducts, for river crossing additional blowing pit at both end of the river bank, jointing of HDPE conduit, erection accessories as required, Testing of laid permanently lubricated HDPE ducts, rectification if required, cleaning and sealing of ducts at the end after testing, preparation of report, joint location marking in CAS, final acceptance / Handing over of the same to GAIL, Drawings and documentation all complete as per specifications provided in the bid document. (Supply of HDPE accessories required including Plastic Couplers (PC), End Plugs (EP), Cable Sealing Plugs (CSP), End Caps (EC) etc suitable & sufficient for supplied Duct, complete in all respect as per specification and as per direction of EIC). (This duct is for blowing of 24 F for total length of pipeline as per spec. and drawing)

Supply of OFC Blowing pits / Jointing pit (RCC pit as per MECON dwg & at every 1 KM distance for BP and every 4 KM for JP, at 1 meter away from the main pipeline), including sand etc all complete as per spec for all planned BP/JP, drawing provided in the bid document. Any unpanned BP/JP will not be paid.

Blowing / Laying of Optical Fiber Cable

All activities pertaining to Blowing / Laying of optical fiber cable in same pipeline trench inside 40 mm HDPE telecom duct (after testing of OFC drum at site), through CS/ HDPE conduits at crossing, testing of OFC before Blowing/laying, cable sealing etc. using all materials required complete as per specifications and drawing provided in the bid document & as per direction of EIC. (spare loop of 10 Meter at Blowing Pit, 20 Meter at Jointing Pit & 20 Meter at each station on wire-mesh (if applicable) shall be provided- No payments for laying shall be made for these spare loops). The Optical Fibre Cable shall be free issue to the contractor. The optical fibre cable shall be as per MECON Technical specification MEC/TS/05/E5/T/096

Supply & installation of 300 dia OFC cable markers at all pipeline warning markers locations on same pipeline markers / KM marker / directional marker post as per specifications & drawing provided in the bid document and direction of consultant.

Splicing, Jointing of optical fiber cable , final Jointing / splicing, Testing of OFC after jointing all completed as per specifications & drawing provided in the bid document and as per instruction of EIC.

Supply and installation of Joint Marker at all jointing locations as per MECON's drawing all complete as per spec., drawing provided in the bid document and the direction of consultant.

Supply and Installation & Commissioning of Electronic Marker System as per specification , test certificate and documents etc. consisting of :

Electronic Markers (To be buried underground along with OFC Joints at all jointing location)

Electronic Marker Locator and accessories (Including probe and locator electronics)

Supply of set of FTC (in & out) (approved Make ) with zero dB connectors & wiremesh (structural size 1.5 Mtr x 1 mtr and mesh size 15 cm x 15 cm) and other accessories for termination of OFC - 24 fibre in the equipment room (at all control room locations) (tentative). At common locations such as SV, IP; contractor has to provide FTC for 48 F with Zero dB connector for both direction OFC termination as per channeling plan. The channeling plan will be provided to succesful bidder during detailed engineering.

Locations where CONTROL ROOM IS AVAILABLE - Installation of FTC for OFC termination (in and out)(approved Make ) with zero dB connectors, installation of wiremesh (structural size 1.5 Mtr x 1 mtr and mesh size 15 cm x 15 cm) and other accessories for termination of OFC in FTC.

Locations where CONTROL ROOM IS NOT AVAILABLE - Supply of weather proof JB, post for JB with canopy etc., inclufing all the items required for erection of FTC. Installation of FTC in field in weather proof JB, post for JB with canopy etc including all the items required for installation of FTC, Termination of OFC on FTC with Zero Db connector (including supply) and all work as required for complete termination of OFC on FTC (including splicing) .At All such locations additional 150 meter cables has to be stored in blowing pit near to FTC post. The blowing pit cost shall be included in the price.

Termination & Testing Splicing with street fibre, test of the fibre for the smooth operation system on wavelengths, OTDR Test of the laid OFC, end to end Power Testing of laid OFC, Identification of the fault, Rectification, preparation of reports, reconciliation of free issued OFC etc., all testing reports in the format provided in the tender, CD of all fibre OTDR traces, work complete in all respect with all necessary accessories for all location, final acceptance / Handing over of the same to GAIL and as per the direction of Engineers in charge, as per specification & contract agreement. For Testing & Termination details, Refer PJS .

(i) The quantites of individual item can varied as per site requirement.The payment will be made as per actual certified measurement at site. For the supply items the quantities shall be procured after approval from client/ consultant/EIC.

(ii) The bidder must indicate currency(ies) against each quoted item of the SOR.

(iii) The total amount shall also be given by the bidder in the quoted currency(ies). (iv) Some of the may / may not be execute as per site requirements.

Sub-Total Section E

Sub-Total Section A + B + C + D + E

GST (CGST&SGST/UTGST or IGST) in percentage (%) on Total of Section A + B + C + D + E above

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