Diversion of 150mmNB Digboi Margherita Pipeline

Amount

GROUP A:

LAYING/ INSTALLTION OF NEW PIPELINE :Laying/ installation of coated line pipe, associated fittings and accessories, etc. as per instructions of Engineer-in-Charge, including but not limited to carrying out the following: "Receiving and taking-over", handling, loading, transportation and unloading of Owner supplied externally corrosion coated line pipes from designated place(s) of issue/ 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); "Receiving and taking over", handling, including loading and unloading, transportation of Owner supplied materials other than line pipe from Owner's designated place(s) of issue to worksite(s); 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; Staking and installation of construction markers, clearing, grubbing, grading (as required) of Right of Use/ Right of Way; Trenching to all depths and to a width to accommodate the pipeline by excavation in all types of soils ; providing trench padding as required with sand/ graded earth approved by Engineer-in Charge; Carrying out repairs of pipe and coating defects not attributable to Owner (i.e. defects occurring after “taking over" of pipes from Owner); 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 bags, soft padding/sand padding; Aligning, bending, cutting and bevelling (as required) of pipes for welding, installation of Induction bend along the route, and field adjustments, NDT of rebevelled area, welding, carrying out destructive/ non-destructive testing of welds as required including radiography and providing all requisite equipment, labour, 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 non-destructive tests as required on repaired joints, etc.; Installation of carrier pipe including concrete coated pipes (wherever required) at all crossings including roads/ canals/ nala/ water crossings etc. (except at major water and other crossings ) by open cut or Jacking/ boring method including pre-testing as required; Carrying out installation of carrier pipe in the casing pipe at cased crossings excluding supply and installation of casing pipes covered separately; Coating of all field weld joints, long radius bends, buried fittings, valves etc.; Lowering the pipelines in trench including providing sand bag ( separators for parallel pipelines at the specified spacing (when applicable), providing required padding over and around the pipeline with sand/graded material approved by Engineer-In-Charge, backfilling with available, approved excavated material and/or other suitable soil approved by Engineer-In-Charge; Carrying out hydrostatic testing including air cleaning, flushing , filling, drying, 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, all types of pigs etc., and services, supervision, labour, consumables, water including supply of corrosion inhibitor, air, etc. as required, locating of leaks and rectification of defects attributable to Contractor, retesting after rectification, successful completion of hydrotesting of pipeline ; Final clean-up and restoration of right of way/right of use and disposal of debris and returning all surplus material to designated disposal areas/storage yard, as directed by Engineer-In-Charge; Restoration of land, facilities and boundary wall etc. at associated facilities dismantled/damaged by the Contractor during construction; Preparation of as-built drawings, pipe-book and other records. Installation of Coated Line Pipes as per following details ( Pipe 6'' OD , Wall Thickness - 6.4 mm, Pipe Grade - API 5L Gr X-52, PSL2 , External Coating - 3 LPE & Internal Epoxy Coated )

LAYING/ INSTALLTION OF RECOVERED OLD PIPELINE :Removal of CT coating of the recovered 6'' pipe, cleaning and recoating of the pipeline, bevelling of the ends, welding and laying of the pipeline along new route. ( This is separate from Item No. 1.01)

INSTALLATION OF 3LPE PIPE (CARBON STEEL) BY TRENCHLESS METHOD WITHOUT CASING PIPE BY HORIZONTAL DIRECTIONAL DRILLING (HDD) METHOD: Receiving and taking-over as defined in the specifications, handling, loading, transportation and unloading of Owner supplied 3 - Layer PE coated carbon steel line pipes from Owner designated stock-yard to Contractor's own stock yards/workshops/work-sites including preliminary activities, carrying out inspection of owner supplied materials (3LPE coated carbon steel line pipe) at the time of taking over and supply of all materials (except 3LPE coated carbon steel line pipe) consumables, equipment, labor and other inputs, carrying out all temporary, ancillary, auxiliary works, specifications, other provisions of Contract document and instruction of AGCL, including but not limited to carrying out the following works: Site Preparation, welding, radiography, coating field joints with special type heat shrinkable sleeves (Dirax) pre-hydrotesting of completed carrier pipe , puliing the string by HDD machine and welding and hook-up at entry & exit point of HDD with main pipeline.

ROAD CROSSING - BY OPEN CUT

NULLAH CROSSING WITH OFFSET BENDS FOR 150MM NB PIPELINE

REPAIR OF HOLIDAY IN COATING: Supply of all coating repair materials as per the requirements , 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 specifications and instructions of Engineer-in-Charge. Note: This rate shall be applicable per sq. cm of the exposed steel. Repair of Holiday in Coating (Type of Coating - 3 Layer Polyetlene)

BARRICADING (FOR USE IN HIGH MOVEMENT AREA)

Supply & purging of Nitrogen gas during Hooking Up Operation of 150 mm NB Pipeline (47 kg in each cylinder).

PREPARATION OF COLD BEND: - Fabrication of field cold bend having minimum radius of curvature 30D. In no case the pipe axis bend angle should be more than 22.1/2 degree. Bend shall be free from deformities. Defective bends will be rejected.

Earth filling on the ROU of the pipeline

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, clearing, 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 instructions of Engineer-in- Charge. Pipeline Warning Signs

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, clearing, 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 instructions of Engineer-in- Charge. Right of use Markers

HOOKING UP THE NEWLY CONSTRUCTED /RE-ROUTED PORTION OF THE PIPELINE WITH EXISTING PIPELINE

RECOVERY OF 150MM NB DISCARDED PIPES AND SHIFTING TO AGCL STORE AT DULIAJAN

MODIFICATION AND INSTALLATION OF NEW 50 MM NB TEE POINT GOLAI OG VALVE INSTALLATION ON DIGBOI MARGHERITA PIPELINE Installation of 50mm MS Pipe

Replacement of 6'' FB Valve (Size- 6 Inch)

Installation of Tee 6''x2''x6''

Installation of Tee 2''x2''x2''

Installation of 2'' Valve

Installation Of 2'' Flange

Replacement of 2'' PRV

Replacement of 2'' Safety Valve

Installation of 2'' Elbow

Istallation of 1/2'' Niddle Valve

Installation Of 50mm Pipe Support

Painting of MS Pipe 150mm NB

Painting of MS Pipe 50mm NB

GROUP B:

LAYING/ INSTALLTION OF NEW PIPELINE :Laying/ installation of coated line pipe, associated fittings and accessories, etc. as per instructions of Engineer-in-Charge, including but not limited to carrying out the following: "Receiving and taking-over", handling, loading, transportation and unloading of Owner supplied externally corrosion coated line pipes from designated place(s) of issue/ 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); "Receiving and taking over", handling, including loading and unloading, transportation of Owner supplied materials other than line pipe from Owner's designated place(s) of issue to worksite(s); 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; Staking and installation of construction markers, clearing, grubbing, grading (as required) of Right of Use/ Right of Way; Trenching to all depths and to a width to accommodate the pipeline by excavation in all types of soils ; providing trench padding as required with sand/ graded earth approved by Engineer-in Charge; Carrying out repairs of pipe and coating defects not attributable to Owner (i.e. defects occurring after “taking over" of pipes from Owner); 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 bags, soft padding/sand padding; Aligning, bending, cutting and bevelling (as required) of pipes for welding, installation of Induction bend along the route, and field adjustments, NDT of rebevelled area, welding, carrying out destructive/ non-destructive testing of welds as required including radiography and providing all requisite equipment, labour, 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 non-destructive tests as required on repaired joints, etc.; Installation of carrier pipe including concrete coated pipes (wherever required) at all crossings including roads/ canals/ nala/ water crossings etc. (except at major water and other crossings ) by open cut or Jacking/ boring method including pre-testing as required; Carrying out installation of carrier pipe in the casing pipe at cased crossings excluding supply and installation of casing pipes covered separately; Coating of all field weld joints, long radius bends, buried fittings, valves etc.; Lowering the pipelines in trench including providing sand bag ( separators for parallel pipelines at the specified spacing (when applicable), providing required padding over and around the pipeline with sand/graded material approved by Engineer-In-Charge, backfilling with available, approved excavated material and/or other suitable soil approved by Engineer-In-Charge; Carrying out hydrostatic testing including air cleaning, flushing , filling, drying, 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, all types of pigs etc., and services, supervision, labour, consumables, water including supply of corrosion inhibitor, air, etc. as required, locating of leaks and rectification of defects attributable to Contractor, retesting after rectification, successful completion of hydrotesting of pipeline ; Final clean-up and restoration of right of way/right of use and disposal of debris and returning all surplus material to designated disposal areas/storage yard, as directed by Engineer-In-Charge; Restoration of land, facilities and boundary wall etc. at associated facilities dismantled/damaged by the Contractor during construction; Preparation of as-built drawings, pipe-book and other records. Installation of Coated Line Pipes as per following details ( Pipe 6'' OD , Wall Thickness - 6.4 mm, Pipe Grade - API 5L Gr X-52, PSL2 , External Coating - 3 LPE & Internal Epoxy Coated )

LAYING/ INSTALLTION OF RECOVERED PIPELINE : Recovery of old 6'' OD pipeline, removal of CT coating of the recovered pipe, cleaning and recoating of the pipeline, bevelling of the ends, welding and laying of the pipeline along new route. ( This is separate from Item No. 2.01)

ROAD CROSSING - BY OPEN CUT

NULLAH CROSSING WITH OFFSET BENDS FOR 150MM NB PIPELINE

REPAIR OF HOLIDAY IN COATING: Supply of all coating repair materials as per the requirements , 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 specifications and instructions of Engineer-in-Charge. Note: This rate shall be applicable per sq. cm of the exposed steel. Repair of Holiday in Coating (Type of Coating - 3 Layer Polyetlene)

BARRICADING (FOR USE IN HIGH MOVEMENT AREA)

Supply & purging of Nitrogen gas during Hooking Up Operation of 150 mm NB Pipeline (47 kg in each cylinder).

PREPARATION OF COLD BEND: - Fabrication of field cold bend having minimum radius of curvature 30D. In no case the pipe axis bend angle should be more than 22.1/2 degree. Bend shall be free from deformities. Defective bends will be rejected.

Earth filling on the ROU of the pipeline

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, clearing, 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 instructions of Engineer-in- Charge Pipeline Warning Signs

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, clearing, 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 instructions of Engineer-in- Charge Right of use Markers

HOOKING UP THE NEWLY CONSTRUCTED PORTION OF THE PIPELINE WITH EXISTING PIPELINE

GAS PIGGING & CLEANING OF PIPELINE (ENTIRE LENGTH FROM DIGBOI CHARIALI TO MARGHERITA I/C POINT)

RECOVERY OF 150MM NB DISCARDED PIPES AND SHIFTING TO AGCL STORE AT DULIAJAN

INSTALLATION OF BURIED EXTENDED COLUMN UNDERGROUND VALVE OF SIZE 150 mm NB

GROUP C:

Replacement of bend portion of MS Pipeline (Size- 6 Inch)

Installation of Long Spindle valve (Size- 6 Inch) by replacing straight portion of MS pipeline (Size- 6 Inch)

PREPARATION OF COLD BEND: - Fabrication of field cold bend having minimum radius of curvature 30D. In no case the pipe axis bend angle should be more than 22.1/2 degree. Bend shall be free from deformities. Defective bends will be rejected.

Fabrication & Installation of Guard Post (Size- 8 Inch) with insertion of Cement concrete

Installation of TEE ( Size- 6 Inch X 2 Inch X 6 Inch)

Replacement of TP Valve (Size- 2 Inch)

Installation of Insulating Joint (Size- 6 Inch) by replacing straight portion of MS pipeline (Size- 6 Inch)

Installation of Encloser/boundary Wall

Earth Filling

M/s WELD TECH ENGINEERING (BID ID -250012)

J. M. ENGINEERING AND CO. (BID ID -250019)

singh & company (BID ID -250048)