GAIL India Limited Tender

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GAIL India Limited - GAIL Tender

Works
Civil And Construction
Pipe Line Project
Eprocure
Opening Date12 Aug 2024
Closing Date2 Sep 2024
Tender AmountRefer Documents 
Notes
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Costs

Description

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BOQ Items

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Geotechnical and Hydrological survey data is enclosed in bid document to the extent available for reference purpose only. Bidder/Contractor may ascertain the bore hole data by taking random samples if they feel the necessity. However, MECON/GAIL shall not be held responsible for the change of strata if found to be variable. Carry out all other additional survey (without additional cost to owner), if required, for collecting data relevant to design & construction of crossing, engineering & design calculation, preparation of all necessary construction drawing duly approved by owner / concerned authority.

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Work/construction permit for the crossing prior to start of the execution work from respective concerned authority/ Engineer In Charge.

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Drilling to the required depth including maintenance of drill hole in all types of soil strata (including soft or hard rock, disintegrated weathered rock, pebbels, cobbles, boulders etc), all depth to accommodate the CS conduit at all conditions of the River crossing by HDD method.

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Installation of the proposed CS conduit at a depth of minimum 2.5m below the scour level / profile or as duly approved/ accepted by concerned authority (under whose jurisdictions the crossing lies) or as per approved profile or as per instruction of EIC (whichever is more/stringent) by HDD method to the correct profile as per approved drawings. Internal Cleaning of conduit pipe as per requirement laid by HDD method for installation of Duct/OFC.

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Supply of 40 mm, permanently lubricated HDPE Telecom DUCT (quantity of HDPE Duct shall be two times the approved HDD profile length + 80 mtrs) (if the HDD Profile length changes, accordingly the HDPE duct length shall be changed), Factory Acceptance Testing as per specification, Supply of spare HDPE accessories like End Plugs (EP), Cable Sealing Plugs (CSP), End Caps (EC) etc. complete in all respect as per specification and as per direction of EIC). The HDPE Duct must be procured after approval of HDD profile during detail engineering. Accordingly, quantity of HDPE Duct shall be two times the approved HDD profile length + 80 mtrs

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Supply of 24 fibre composite Optical fibre cable as per the TS No. MEC/TS/05/E5/T/096, (18 Fibre G-652D, 6 Fibre G.655) (quantity of OFC shall be two times the approved HDD profile length + 100 mtrs)(if the HDD Profile length changes, accordingly the OFC length shall be changed), Factory Acceptance Testing as per specification, etc. complete in all respect as per specification and as per direction of EIC). OFC shall be laid in both the run of HDPE duct. If the HDD Profile length changes, accordingly the OFC drum length shall be changed. The OFC must be procured after approval of HDD profile during detail engineering. Accordingly, quantity of OFC shall be two times the approved HDD profile length + 100 mtrs

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Installation of 40mm OD, permanently lubricated HDPE Telecom ducts (2 Runs), in HDD section through CS conduit in all type of soil & terrain, excavation & work for HDD as required, cleaning and sealing of ducts at the end of laid lengths, Duct Integrity Testing of supplied 2 runs of 40 mm OD permanently lubricated HDPE Telecom Duct, jointing (wherever deemed necessary by EIC) of HDPE conduit, supply and installation of HDPE Duct accessories (HDPE accessories required including Fusion Couplers, End Plugs, Cable Sealing Plugs, End Caps, etc. suitable & sufficient for supplied Duct.),Testing of laid permanently lubricated HDPE ducts, rectification / modification if required, cleaning and sealing of ducts at the end of laid lengths,preparation of report all complete as per tender & as per direction of EIC. Jointing of HDPE Ducts shall be avoided as much as possible.

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All activities pertaining to Blowing / Laying of optical fiber cable in each of the laid 40 mm HDPE telecom duct (after testing of OFC drum at site), Blowing/Laying of OFC cable to be done in both the ducts installed in CS conduit, testing of OFC before Blowing/laying, cable sealing, jointing of the laid OFC at both ends of HDD (at one end, OFC shall be joint with existing pipeline OFC and at other end, OFC Shall be joint with the OFC laid in the open cut by the bidder) 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 shall be provided).

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Testing of the laid OFC (including OTDR Test of the laid OFC 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 OFC to other contractor, all works complete as per the tender and as per the direction of Engineer in charge. For Testing details, Refer tender .

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Supply and installation of OFC Jointing pit (RCC pit as per MECON dwg) at both ends of the HDD, including complete sand filling etc all complete as per spec, drawing provided in the bid document. The Jointing pit shall be provided 2 nos. each at each end of the HDD (1 each at each end for each run of HDPE duct with OFC) and 1 no. at each planned/ unplanned joint location. Supply and installation of OFC Joint Marker at every location of OFC Jointing Pit. Scope also includes supply of Jointing Closure (24F) for each Joint Pit. Jointing of laid OFC at both ends of HDD shall be carrid out by the bidder. Jointing of the laid OFC shall be done at both ends of HDD (at one end, OFC shall be joint with existing pipeline OFC and at other end, OFC Shall be joint with the OFC laid in the open cut by the bidder). Supply and installation of Joint closure as per the specification is included in scope of the bidder.

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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 each OFC Jointing Pit at each ends) and Electronic Maker Locator. The electronic marker shall be provided for each Jointing pit supplied by bidder and 1 no. Electronic Marker Locator shall be provided.

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Supply and providing end seal at both ends of conduit.

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Backfilling of the ditch / trench including restoration, clean-up of area, disposal of drilling fluid & waste, etc. to the satisfaction of Owner / Concerned Authority and getting NOC from concerned authority.

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Preparation and submission of as built drawings & other drawings, etc. duly approved by Owner.

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River Crossing at minimum cover mentioned as above at chainage 684.169 Km ( Approx.) (Ref. Crossing Detail Drawing enclosed in bid document)

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Crossing of River alongwith adjacent road / asphalted road / drain / nala, if any, for CS Conduit of size 6" NB, 6.4 mm thk.,IS 3589, Fe 410 for HDPE Duct/OFC.

300

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Notes: (i) Available survey report is enclosed in the bid document. Crossing width and soil strata indicated in the bid document may vary as per site condition. Bidders are advised to visit the site and carry out confirmatory bore-logs if felt necessary, before quoting, for actual assessment of extent of crossing, quantum of work, site condition, soil strata and to assess the extent of cover which may have to be provided. Actual string length for HDD shall be as per design calculations so that Conduit 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.

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(ii) Payment shall be made only for the tied-in CS Conduit length as per approved profile and the payment for same item rate is inclusive of blowing of OFC inside 2 nos. HDPE duct in CS conduit, which is laid by HDD method and no separate payments shall be made under any other clause mentioned elsewhere.

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(iii) Geo-technical investigation and Hydrological Survey data to the extent available are attached with the tender document. Contractor, if required, may verify the authenticity of the data provided during execution. Carry out all other additional surveys, if required, for collecting data relevant to design & construction, engineering & design calculation without any additional cost to owner. The contractor shall submit design calculation and all construction (profile) drawings, survey data for GAIL / PMC approval. Work shall start only after approval of the above.

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(iv) Contractor shall not be entilted for any extra payment due to change of strata, location / area constraint, higher capacity of rig, etc.

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(v) Preparation of CS conduit string including welding, coating and making the CS Conduit ready for installation by HDD method are exclusive of above item number and their payment shall be made under other item number mentioned elsewhere in SOR.

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(vi) The above works exclude supply of required length of CS conduit which is covered elsewhere in the SOR.

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STRING PREPARATION OF CS CONDUIT FOR CROSSING BY HDD METHOD

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Complete work of stringing of CS conduit on the desired alignment required for pulling of string during HDD operation, preparation of string of CS conduit at approved crossing length including all accessories, etc. of required sizes including executing all works; arrangement of all additional land required for Contractor's storage, fabrication, access for construction; supply of all materials, if any, consumables, labour and other incidental works; carrying out all temporary, ancillary, auxiliary works required to make the CS Conduit ready for insertion by HDD method as per drawings, relevant specifications, scope of work indicated in SCC, specification and instructions of Engineer-in-charge and other provisions of Contract document and instructions of Owner, including but not limited to carrying out the following works:

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Carrying out repairs of pipe defects/ replacement in case of irreparable defects including defects/ damages occurring during transportation/ handling by Contractor including management of their own dump site, if required.

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Stringing of CS conduit pipes along the desired & approved alignment required for pulling of string during HDD operation including providing straw/ sand/ soft soil bags, soft padding/ sand padding.

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Aligning, bending, cutting and bevelling (as required) of CS Conduits for welding and field adjustments, welding, carrying out repairs of weld joints found defective in weld visual by Owner etc. as mentioned in SCC & particular job specification. and providing all requisite equipment, labour, supervision, materials, consumables all facilities as mentioned in SCC & particular job specification.

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String preparation of CS Conduit pipe 6'' NB, 6.4 mm thk., IS 3589, Fe410 or equivalent for HDPE duct / OFC

300

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Notes: (i) Payment for above item shall be made only for the length of final pulled length as per approved drawing, however, installation of CS conduit pipeline string by HDD method is exclusive of above item number and payment for the shall be made under other SOR item number mentioned elsewhere in SOR.

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SUPPLY AND COATING OF CS CONDUIT

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Complete work of Supply and coating of CS conduit including all taxes, duties, transportation and inspection charges and Transportation including loading, unloading, handling of CS conduit pipe from Contractor's storage point to work at site as per relevant specifications, scope of work indicated in SCC, specification and instructions of Engineer-in-charge and other provisions of Contract document and instructions of Owner.

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Supply of CS Conduit pipe 6'' NB, 6.4 mm thk., IS 3589, Fe410 or equivalent for HDPE duct / OFC

650

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Coating of CS conduit with coal tar epoxy coating of minimum 600 microns (after proper cleaning) including supply of coating material, consumables etc.

650

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LAYING OF CS CONDUIT BY OPEN CUT

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Complete work of laying of CS Conduit by open cut including site development, stacking, clearing and grading of ROU (as required), string preparation of 6 inch CS conduit for OFC, Arrangement of all additional land required for Contractor's storage, fabrication, access for construction (other than Owner provided ROU/ROW); welding including carrying out repairs of weld joints found defective in weld visual by Owner including all asoociated work along-with supply of manpower, consumables..etc. as mentioned in SCC & particular job specification.

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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. Trenching to all depths and to a width to accommodate the CS 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 CS conduit as required with sand / graded earth approved by Engineer-in Charge;Lowering the pipelines in trench as per specification and standard drawing.

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Laying of CS conduit for OFC by open cut at required depth, in all type of soils and terrrain for insertion of OFC/ HDPE duct as per enclosed specification/ drawings including supply of all other materials, equipments, consumables, manpower, welding including visual inspection of all weld joints.

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Supply of 40 mm, permanently lubricated HDPE Telecom DUCT (quantity of HDPE Duct shall be two times the length of open cut + 80 mtrs) (if the length of open cut changes, accordingly the HDPE duct length shall be changed), Factory Acceptance Testing as per specification, Supply of spare HDPE accessories like End Plugs (EP), Cable Sealing Plugs (CSP), End Caps (EC) etc. complete in all respect as per specification and as per direction of EIC). The length of HDPE Duct must be as per the length of open cut finalized during detail engineering. Accordingly, quantity of HDPE Duct shall be two times the length of open cut + 80 mtrs

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Supply of 24 fibre composite Optical fibre cable as per the TS No. MEC/TS/05/E5/T/096, (18 Fibre G-652D, 6 Fibre G.655) (quantity of OFC shall be equal to the length of open cut+ 100 mtrs)(if the length of open cut changes, accordingly the OFC length shall be changed), Factory Acceptance Testing as per specification, etc. complete in all respect as per specification and as per direction of EIC). OFC shall be laid in only any one run of HDPE duct for open cut. The OFC must be procured as per length of open cut finalized during detail engineering. Accordingly, quantity of OFC shall be equal to the length of open cut+ 100 mtrs

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Installation of 40mm OD, permanently lubricated HDPE Telecom ducts (2 Runs), in open cut section through CS conduit in all type of soil & terrain, excavation & work for open cut as required, cleaning and sealing of ducts at the end of laid lengths, Duct Integrity Testing of supplied 2 runs of 40 mm OD permanently lubricated HDPE Telecom Duct, jointing (wherever deemed necessary by EIC) of HDPE conduit, jointing of each run of HDPE Duct of Open cut with each run of HDPE duct laid across HDD by bidder, supply and installation of HDPE Duct accessories (HDPE accessories required including Fusion Couplers, End Plugs, Cable Sealing Plugs, End Caps, etc. suitable & sufficient for supplied Duct.),Testing of laid permanently lubricated HDPE ducts, rectification / modification if required, cleaning and sealing of ducts at the end of laid lengths,preparation of report all complete as per tender & as per direction of EIC.

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All activities pertaining to Blowing / Laying of optical fiber cable in any one run of the laid 40 mm HDPE telecom duct in open cut (after testing of OFC drum at site), Blowing/Laying of OFC cable to be done in any one run of the ducts installed in CS conduit, testing of OFC before Blowing/laying, cable sealing, Jointing of the laid OFC at both ends of open cut (at one end, OFC shall be joint with existing pipeline OFC and at other end, OFC Shall be joint with the OFC laid in the HDD by the bidder) etc. using all materials required complete as per specifications and drawing provided in the bid document & as per direction of EIC. (spare loop of 20 Meter at Jointing Pit shall be provided).

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Testing of the laid OFC (including OTDR Test of the laid OFC 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 OFC to other contractor, all works complete as per the tender and as per the direction of Engineer in charge. For Testing details, Refer tender .

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Supply and installation of OFC Jointing pit (RCC pit as per MECON dwg) at both ends of the open cut, including complete sand filling etc all complete as per spec, drawing provided in the bid document. The Jointing pit shall be provided 1 no. each at each end of the open cut and 1 no. at each planned/ unplanned joint location. Supply and installation of OFC Joint Marker at every location of OFC Jointing Pit. Scope also includes supply of Jointing Closure (24F) for each Joint Pit. Jointing of laid OFC at both ends of open cut shall be carrid out by the bidder. Jointing of the laid OFC shall be done at both ends of open cut (at one end, OFC shall be joint with existing pipeline OFC and at other end, OFC Shall be joint with the OFC laid in the HDD by the bidder). Supply and installation of Joint closure as per the specification is included in scope of the bidder.

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

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Supply, fabrication and installation of pipeline warning markers (as required) 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.

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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 each OFC Jointing Pit at each ends) and Electronic Maker Locator. The electronic marker shall be provided for each Jointing pit supplied by bidder and 1 no. Electronic Marker Locator shall be provided.

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Backfilling of the ditch/ trench including final clean-up and restoration of right of way/ right of use including disposal of debris to the satisfaction of Engineer-in-charge and/or as directed by concerned Authority.

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Joining the CS Conduit installed by HDD and open cut as per requirement of site as per specification and direction of EIC , approved procedure, drawing etc. including NOC from concerned Authority.

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Laying of CS Conduit pipe 6'' NB, 6.4mm wall thk. (for OFC & their conduit) by open cut

350

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TRIAL PIT

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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.

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

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(ii) The total amount shall also be given by the bidder in the quoted currency(ies). (iii) Contractor shall be responsible for successul execution of work tendered. In case of failure of any of the activities like Pulling etc., no payment on account of the work executed shall be paid to the contractor. In addition, all successive payments made through earlier RA bills for any work (supply and/ or execution) shall also be recovered. Loss of free issue material, if any, occurred due to failure shall be treated inline with the provision of reconciliation of free issue material.

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Total

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

1

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