RE ROUTING AND ASSOCIATED WORK FOR 24 x 1.7 KM FOR SINGHSANDRA TO KRISHNAGIRI PIPE LINE UNDER KOCHI KOTTANAD BANGLORE PIPELINE PHASE II 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 (except bare/coated line pipe from Owner's designated dumpyard for this project), 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/ dump site(s) to Contractor's own stock-yard(s)/ workshop(s)/ work-site(s) including stringing of the pipeline along NH corridor/ 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 NH Corridor/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 Corridor/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 Corridor/ROU / pipeline route alignment viz. electrical line / pole, telephone line (poles), foreign pipeline; coordination with concerned authorities.

Trenching to all depths and to a width to accommodate the pipeline and/or optical fiber cable/cable duct/ 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 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 Corridor/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 (100%) by 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 including concrete coated pipes (wherever required) at all crossings including roads/ cartrack / pathway / drain / canals/ nala/ marshy lands/ ponds/ other water crossings etc. (except at laying by HDD method, that are specifically covered separately elsewhere in the SOR) by open cut after prehydrotest of the section, if required, including restoration of the banks to original conditions (in case of waterbody crossings) duly accepted by Competent Authority as defined as per specification.

Supply of coating materials for all field joints, Long Radius Bends, Burried Fittings 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 etc.;

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

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

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.

Supply and installation of warning mat as per relevant clause mentioned in PJS and specifications enclosed in the bid document.

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.

(Note : 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.

All tie-ins 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 NH Corridor/right of way/ right of use including disposal of debris and returning all surplus material to defined disposal areas and 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;

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

Preparation of as-built drawings, pipe-book and other records as specified in the specifications. SOR shall be read in conjuction with scope of work, job specific requirements, specifications, standards, drawings and other provision of contract document. All above works, line pipe laying and installation all above works for buried pipeline as per following details:

Installation of Coated Line Pipes as per following details:

Line pipe details

Size Thk. Grade Coating Type Length of each Pipe Type of Soil

mm(OD) (mm)

609.6 12.2/15.1/17.5 API 5L Gr. X-70 3 Layer PE Double random (approx. All type of soil

PSL-2 Coating 11.5 to 12.5 mtr.) &

Bevel End

Notes : 1. This item rate is applicable for complete work of laying of underground pipeline of 24" x 1.7 KM GAS PIPELINE SECTION FROM CH. 11.062 KM TO 12.135 KM OF (Re-routed portion) SINGASANDRA-KRISHNAGIRI PIPELINE including hook-up with existing Pipeline. The length of pipeline are tentative. Hook-up with existing pipeline shall be payable as per sepeate SOR item mentioned elsewhere. 2. Rate for laying of OFC & HDPE duct shall be quoted in relevant Schedule of Rates (SOR) of Telecom works, hence not to be included in Pipeline Laying works. 3.The above rate shall be inclusive of hydrotesting of 24" x1.7 Km including hydrotesting of all crossing sections (if any). 4. Payment for Preparation of as-built drawings, pipe-book and other records as specified in the specifications is to be covered in this SOR rate. 5. Contractor shall return all surplus material to defined storage yard as mentioned in Annexure-2 to SCC, as directed by Engineer-In-Charge. 6. Payment for supply & application of continuous concrete weight coating will be made as per other relevant SOR item. However , installation of the same is covered in this SOR. 7. Backfilling shall be as per standard practices and to the satisfaction of authorized representative. All required restoration work subsequent to laying works shall be required to be undertaken by the contractor to the satisfaction of authorized representative. 8. Restoration of NH and concrete road shall be payable through SOR item mentioned elesewhere . However , restoration of balance portion is inclusive in above item rate. 9.In instant proposed work designated Company storage area at nearby work site location( ie: Navlur) is not available, therefore linepipe or other free issue material to be stored at Contractor storage area/yard.

PIPELINE LAYING/INSTALLATION BY HDD METHOD

Complete work of laying of pipeline in restricted ROU/ Corridor along with adjacent road/nala/Pond by HDD method including "Receiving and taking over" owner supplied 3LPE 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 including soil and all types of rock, 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 by the approved HDD method including pipeline string prepration, welding, testing, 100% 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

For All Type of Soil

Line pipe details

Size Thk. Grade Coating Type Length of each Pipe Type of Soil

mm(OD) (mm)

609.6 12.2/15.1 API 5L Gr. X-70 3 Layer PE Double random (approx. All type of soil

PSL-2 Coating 11.5 to 12.5 mtr.) &

Bevel End

Note: (i) Pipeline length are tentative and applicable for locations wherein laying through open cut is not feasible. Crossing methodology of such crossings shall be decided after joint site visit. 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) Width of above laying indicated are tentative. The width indicated are not for any single laying.This shall be as per requirement at site for laying at different locations and may increase/ decrease or delete based on the site requirement.

(iv) Contractor have to use rock cutting tool/ Diamond Cutter and all other accessries as required to make drill hole in rocky strata based on requirement. However , no extra payment shall be admissible against mobilization of specialized tools , manpower etc. during execution

CONTINUOUS CONCRETE COATING

Additional work over and above SOR Sl. No. 1 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) 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-609.6 mm, WT- 12.2/15.1 mm for X-70, Coating Thickness -100 mm

TRIAL PIT

Excavation of trial pits on pipeline route (min Size 1.5 Mtr x 1.0 Mtr.) as per instruction of engineer incharge in all kinds of soil/strata..Barricating the trial pit area including application of warning tape /warning sign around the trial pit till the necessary checking & backfilling of same as per direction of Engineer Incharge.Cleaning of excavated pipe including supply of all materials (except Owner supplied materials), consumables, equipment, labour, etc. for carryout the reffered work as per directions of the Engineer-in-charge.

Note: Depth of the pit shall be min. 1.5 meter or as per direction of EIC.

VENTING OF NATURAL GAS & PURGING THROUGH NITROGEN

Providing all assistance during venting of natural gas in-between SV-01 at Ch. 10.13 Km to SV-02 at Ch. 17.112 km and purging with Nitrogen to the specified acceptance criteria including supply of all equipment, man-power, consumables (including nitrogen required for purging) 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.

Venting of natural gas between SV-01 at Ch. 10.13 Km to SV-02 at Ch. 17.112 km of 24" Singasandra-Krishnagiri Pipeline pipeline including nitrogen purging before start of hot work

Note: Activity envisazed above is for removing hydrocarbon from pipeline to start cold cutting and further fabrication activities to hook-up the newly fabricated string with existing pipeline.

HOOK-UP WITH EXISTING PIPELINE/HOT WORK

Complete work for hook-up through wleding required to interconnect the proposed pipeline with existing pipeline system in Singasandra- rishnagiri Pipeline network, including excavation of pit as required to connect the proposed pipeline with existing pipeline system,cleaning ,removal of coating,cutting of pipe section through cold cutting,localized purging of nitrogen ( if required), induction heating ( if required) ,fabrication , welding, NDT of joints, Joint coating, backfilling & restoration as per specification & direction of engineer Incharge.

24'' dia Joint

Note: Item envisazed above is for complete hook-up work required to be carriedout to connect proposed pipeline with existing pipeline. Supply of all materials,consumables, equipment, labour, etc. and other incidental works;carrying out all temporary, ancillary, auxiliary works required for complete hook-up work as per specification and direction of EIC is under above item rate.Bidder have to quote accordingly.

RESTORATION OF ROADS

Restoration of asphalt / concrete / red stone roads / pavement/ pavor block including compaction of soil, to original condition as per requirement and to the entire satisfaction of EIC and / or concerned Owners having jurisdiction for following thickness.

Restoration of Concrete road upto 10 cm thickness

Restoration of Concrete road 10 cm to 20cm thickness

Restoration of NH as per Morth Specification

Note: Obtaining NOC from concern authorities is included in above item rate. Bidder have to quote accordinly.

Unit rate over and above SOR Sl. No. 1 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.

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

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 609.6 mm (24") 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 609.6 mm (24") 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.

VIDEOGRAPHY & PHOTOGRAPHY

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

Phase 1: Videography & photography of the entire route prior to construction activities i.e. pipeline route, hook-up point, all crossing like road / railways,nala,pond,canal river, etc. Phase 2: Videography & photography during construction activities of Mainline Works i.e. Stringing, Welding, Radiography, Joint Coating, Lowering,hook-up, Backfilling,restoration etc. performing all works as per specification and instructions of EIC and other provision of contract document.

Note: 1. Videography & photography activities shall be as per specification and direction of EIC.

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 , preparation of site report on pipeline, data analysis at Contractors facility as per specification and provisions of the Bid Document.

Note: Running of MGP & EGP tool up to the acceptance of final report is part of the above item rate. Bidder have to quote accordingly.

PRE-COMMISSIONING OF ENTIRE UNDERGROUND PIPELINE

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 ), 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

Dewatering and swabbing

Dewatering and swabbing of pipeline including terminals / stations.

COMMISSIONING ASSISTANCE AND COMMISSIONING

Purging of Nitrogen for existing underground pipeline network to the specified acceptance criteria in-between SV-01 at Ch. 10.13 Km to SV-02 at Ch. 17.112 km of Singsandra-Krishnagiri Pipeline including supply of all equipment, man-power, consumables (including nitrogen required for purging/filling ) 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.

24'' Pipeline

Providing commissioning assistance during Gas in including supply of all equipment, manpower, etc., complete as per requirement of specifications, other provisions of contract document and instruction of Engineer In-charge.

24'' Pipeline

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.

LONG RADIUS BENDS

Supply of Long Radius Bends (R = 6D) for 24" dia.pipe, X-70 (thk. 15.1/17.5mm) as per T.S. (No. MEC/TS/05/62/015) & Data Sheet No. MEC/23UU/05/28/M/001/DS-015 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 from EIC before order.

TRANSPORTATION OF LINE PIPE

"Receiving and taking over", handling, lifting, loading on trailers, transportation and unloading of Company supplied line pipe from one dumpyard at Walayar , Kerala or any other location to work site 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 linepipe up to the execution is included in above item rate. Bidder have to quote accordingly.

GROUND PENETRATING RADAR

Carrying out subsurface utility survey along the proposed pipeline route and/ or as specified by Engineer-In-Charge for provided corridor ( 2-5 meter) using Ground Penetrating Radar (GPR) for depth upto 5m below the existing ground level to locate and identify all existing underground utilities/buried objects including but not limited to pipelines, sewers, conduits, cables, drains, manholes, appurtenances etc in the proposed corridor along with location, DGPS coordinates, depth, shape and dimensional details of utilities. Four (4) Copies of Report and Drawings incorporating all collected datas shall be submitted as per scope of work and direction of the Engineer-in-charge. Scale of Drawing shall be Planimetry (X Axis 1:1000, Y Axis 1:100), Longitudinal Section (Z Axis 1:100) and Transverse Section at critical location.

1.Survey Agency for execution of GPR Survey Work to be engaged by the Contractor shall be submitted for approval of GAIL/MECON prior to start of work.

2. GPR Work shall be carried in presence of Contractor's Representative.

PIPELINE LAYING LIASIONING (INCLUDING CROSSINGS) AND GETTING CONSTRUCTION PERMISSION FROM THE STATUATORY AUTHORITIES

Submitting request for (after obtaining the letter from client) permission , follow up , assisting in site inspections / route suevey / site report making/making site inspection drawings , submitting at designated offices , resubmission after correction , modification if required , soft and hard copy in nos. as required /if required in sizes , and collecting permission from the statuatory authorities including NHAI , PWD , Railways , Irrigation , Forest , Municipal Corporation, etc. Obtaining work permits /NOC from various statutory authorities having jurisdiction before execution of the work and complying with all stipulations /conditions/recommendations of the said authorities. Only statutory fees shall be paid by the owner.

For 24'' Pipeline

Note: Obtaining NOC for restoration of NH and Concrete road is under separate item rate, however other Permissions/NOC's from statutory authorities as required is under above item rate. Bidder have to quote accordingly.

DE-COMMISSIONING & ABANDOMENT OF EXISTING PIPELINE SECTION

Complete work of carrying out abandonment and de-commissioning of the existing pipeline after disconnecting / isolating it from all sources and supplies of Natural Gas with positive isolation, venting of Natural Gas.Pigging with HDPE pigs by nitrogen. Completion of all above mentioned activities sealing the pipeline ends effectively by providing end caps or flange and blind flange.Supply of all consumables (i.e. nitrogen required for pigging, pigs etc.) materials, deployment of required manpower and equipments, all temporary works and performing all associated works, complete as per the relevant code (OISD 226/GAIL CIMG Guidelines/other relevant code ), specifications,approved procedures, other provisions of contract document and instructions of Engineer-in-charge. The contractor shall finally obtain a certification of successful decommissioning and abandonment of the pipeline.

Existing 24'' NB dia Pipeline section from Ch.11.062 Km to Ch. 12.135 Km

Sub-Total Section A

SECTION-B [TEMPORARY CATHODIC PROTECTION WORKS)]

Manufacturing, Inspection/FAT (Factory acceptance test), supply, Packing, insurance, transportation to site, storage at site (transportion of material from storage to site) following TCP material for design life of minimum 2 years as per standard specification No.- MEC/S/05/E9/016A for temporary cathodic protection system, Scope of work/PJS, Data Sheets & tender drawings-

Supply-Sacrificial anodes- Pre packed Mg anodes

Prepacked Magnesium anodes for Carrier Pipe protection (Min 5.0 Kg Each) as per tender specification.

Supply-TCP-Cables--The Cables shall be annealed high conductivity, stranded copper conductor, 650/1100V grade, XLPE Insulated & PVC Sheathed.

1c x 6 mm2 - Anode tail cable - unarmored with tail cable connection

1 core x 6 mm2 - Potential Measurement, ref Cell & measurement cable- armored

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

Supply-Test Stations

New test stations Normal Size-(Weather Proof with IP-55) as per tender drawings with name plate (AIL_Type,Potential Measurement with Pol. Coupon)

TCP WORKS (INSTALLATION, TESTING & COMMISSIONING)

Loading/Unloading, Installation, testing & commissioning of the Temporary Cathodic Protection system using Mg (Min 5.0 Kg Each) galvanic anodes to protect the external surface of 3LPE Coated pipe against corrosion for a design life of minimum 2 years as per standard specification No.- MEC/S/05/E9/016A for temporary cathodic protection system, Scope of work/PJS, Data Sheets & tender drawings. Scope shall also include but not limited to the following for completion of jobs:

Installation, Testing & Commissioning of Sacrificial anodes- Pre packed Mg anodes

Prepacked Magnesium anodes for Carrier Pipe protection (Min 5.0 Kg Each) as per tender specification.

Laying, termination, Glanding and ferruling TCP-Cables -Cables shall be annealed high conductivity, stranded copper conductor, 650/1100V grade, XLPE Insulated & PVC Sheathed.

1c x 6 mm2 - Anode tail cable - unarmored with tail cable connection

1 core x 6 mm2 - Potential Measurement, ref Cell & measurement cable- armored

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

Installation, Testing & Commissioning of Test Stations with all civil materials-

New test stations Normal Size-(Weather Proof with IP-55) as per tender drawings with name plate (AIL_Type,Potential Measurement with Pol. Coupon)

All Cable to pipe connections by Exothermic Process or Pin Brazing for all sizes (Upto 1C x 25mm2) including supply of all material.

CIPS survey of the newly laid section.

DCVG survey of the newly laid section.

Sub-Total Section B

SECTION-C [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 and ACCESSORIES (as per MECON Technical specification MEC/TS/05/E5/T/096).

Supply of 24 fibre composite SM Optical fibre cable (18 Fibre G-652D and 6 Fibre G.655) (Qty as per pipeline length with spare) as per the MECON OFC TS No. MEC/TS/05/E5/T/096 Any additional necessary requirements due to shorter length as per TS /Scope of work is in vendor scope.

Supply of Jointing Closures (suitable for 24 Fibre OFC ) including all accessories of approved make of MECON only.(Planned Qty : 2 Nos , Spare Qty: 01 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

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 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/ mesh (as supplied for main line), cleaning and sealing of ducts, for river crossing additional blowing pit at both end of the river bank, jointing of HDPE conduit, supply and installation of all 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, GPS location marking of each coupler, final acceptance / Handing over of the same to client, Drawings and documentation all complete as per specifications provided in the bid document. ( Scope also includes 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 450mm away from the main pipeline), including sand etc all complete as per spec for all BP/JP, drawing provided in the bid document.

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 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 & 15 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 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 with the existing laid fibre , 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, 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) (planned 02 nos spare 01 nos)

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

All works required for integration of the laid optical fibre cable with the existing optical fibre cable including identification of the existing optical fibre cable, trenching, making cut in existing Optical fibre cable, connecting the laid Optical fibre cable with the existing optical fibre cable etc., complete in all respect as per the tender and as per the direction of EIC.

Testing of Optical Fibre Cable Test of each fibre for the smooth operation system on wavelengths, OTDR Test of the laid complete OFC (OFC laid by bidder and existing OFC between two stations), station wise and end to end Power Testing of laid OFC, Identification of the fault, Rectification, preparation of reports, reconciliation of 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 Client/ other contractor and as per the direction of Engineers in charge, as per specification & contract agreement. For Testing & Termination details, Refer PJS .

Sub-Total Section C

Total of Section A + B + C

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

Enprocon Enterprise Limited