LAST MILE CONNECTIVITY WORK INSIDE NRL UNDER GUWAHATI NUMALIGARH PIPELINE SECTION 1 UNDER NEGG PROJECT OF IGGL

SECTION:A- 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, cutting & rebevelling due to dent/damage in pipe, 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.

Fittings, flanges, vent and drain point connection etc. (as per drawing) including providing stub-in connections, fabricated fittings and reinforcement pads etc., as required. Installation of RO etc.

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). Radiographs shall be submitted to the Engineer-in-Charge for acceptance, whose decision shall be final and binding.

Erection including prior cleaning, leveling of ground, lifting, placing on pipe sleepers and supports, overhead on racks, skids, trestles, installation of pipe in culverts 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, tie-in with existing piping/facilities, etc.

Survey of piping route for preparation of AFC drawings/GAD, 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 including arrangement of testing header, fittings, flanges, tools & tackles, vent, drain etc required for testing.

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 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, assistance in commissioning like manpower, tools& tackles, any other consumables.

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 above

18" NB API 5L, Gr. X-52, PSL-2, Seamless, BE, Sch.-S60 (To be laid on sleeper/pipe supports at Ground level)

10" NB, API 5L, Gr. X-52, PSL-2, Seamless, BE, Sch.-XS

2" NB, ASTM A 106 Gr. B (Charpy), Seamless, BE, XS (To be laid on sleeper/pipe supports at Ground level)

3" NB, ASTM A 106 Gr. B (Charpy), Seamless, BE, STD (To be laid on sleeper/pipe supports at Ground level)

18" NB API 5L, Gr. X-52, PSL-2, Seamless, BE, Sch.-S60 (To be laid on Pipe rack/Trestles at approx. 10 m height)

3" NB, ASTM A 106 Gr. B (Charpy), Seamless, BE, STD (To be laid on Pipe rack/Trestle upto approx. 28 m height)

Notes: 1) Pipe specification and thickness may vary depending on availability. No extra payment shall be made on this account. 2) All butt-welded fittings shall generally match the connecting pipe wall thickness; however, in case of misalignment, the Contractor shall perform necessary end preparation or use transition pieces at no additional cost. 3) All required couplings, nipples, etc., shall be supplied by the Contractor, and no separate payment shall be made as these are covered under the erection rate. 4) Transportation of free-issue material, if any, from the Owner’s designated location(s) and return of surplus material to the same, as specified in Annexure-2 to SCC, shall be in the Contractor’s scope. 5) The supply of all materials for vents and drains such as sockolets/weldolets, elbows, pipes, flanges, valves, blind flanges, etc. required as per drawing/ specification is inclusive in the Contractor's scope of work. No separate payment is to be made for the same. 6) Construction & installation of scaffolding/ platfrom including supply of all material, manpower, equipment etc. for above ground pipeline construction at all height (Pipe rack/Trestles) is to be included in above item. Bidder is advised to quote accordingly. 7) It is to be noted that the work is to be performed inside refinery premises, therefore, Contractor will be required to comply with the plant safety norms, working hours etc. including getting work permits/permissions. 8) Rates for carrying out Non-destructive testing of pipeline size below 2" are included in above items, however, rates for pipeline size 2" and above will be paid separately as per relevant SOR item. 9) Any other material/ items which are not covered elsewhere but are required for fabrication/ erection of pipeline/piping are deemed to be included in above rate.

SUPPLY OF ASSORTED PIPE, FLANGES AND FITTINGS

Complete work of supply of assorted 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.

CARBON STEEL PIPES

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

10" NB, API 5L, Gr. X-52, PSL-2, Seamless, BE, SCH.- XS

2" NB, ASTM A 106 Gr. B (Charpy), Seamless, BE , SCH.- XS

3" NB, ASTM A 106 Gr. B (Charpy), Seamless, BE , SCH.- STD

FLANGES

Weld Neck [B-16.5, ASTM A694 Gr.F-52 (Charpy), 125 AARH, RF], 18", 600# (End Thickness to match pipe thickness)

Weld Neck [B-16.5, ASTM A694 Gr.F-52 (Charpy), 125 AARH, RF], 10", 600# (End Thickness to match pipe thickness)

Weld Neck [B-16.5, ASTM A105 (Charpy), 125 AARH, RF], 2", 150# (End Thickness to match pipe thickness)

Weld Neck [B-16.5, ASTM A105 (Charpy), 125 AARH, RF], 3", 150# (End Thickness to match pipe thickness)

ELBOW

18" NB, SCH.- S60, 22.5°-45° Elbow [MSS- SP -75 GR.WPHY52, MSS-SP-75, 1.5D, BW]

18" NB, SCH.- S60, 46°-60° Elbow [MSS- SP -75 GR.WPHY52, MSS-SP-75, 1.5D, BW]

18" NB, SCH.- S60, 61°-90° Elbow [MSS- SP -75 GR.WPHY52, MSS-SP-75, 1.5D, BW]

10" NB, SCH.- XS, 22.5°-45° Elbow [MSS- SP -75 GR.WPHY52, MSS-SP-75, 1.5D, BW]

10" NB, SCH.- XS, 46°-60° Elbow [MSS- SP -75 GR.WPHY52, MSS-SP-75, 1.5D, BW]

10" NB, SCH.- XS, 61°-90° Elbow [MSS- SP -75 GR.WPHY52, MSS-SP-75, 1.5D, BW]

2" NB, SCH.- XS, 22.5°-45° Elbow [ASTM A 234, Gr. WPB (Charpy), B-16.9, 1.5D, BW]

2" NB, SCH.- XS, 46°-60° Elbow [ASTM A 234, Gr. WPB (Charpy), B-16.9, 1.5D, BW]

2" NB, SCH.- XS, 61°-90° Elbow [ASTM A 234, Gr. WPB (Charpy), B-16.9, 1.5D, BW]

3" NB, SCH.- STD, 22.5°-45° Elbow [ASTM A 234, Gr. WPB (Charpy), B-16.9, 1.5D, BW]

3" NB, SCH.- STD, 46°-60° Elbow [ASTM A 234, Gr. WPB (Charpy), B-16.9, 1.5D, BW]

3" NB, SCH.- STD, 61°-90° Elbow [ASTM A 234, Gr. WPB (Charpy), B-16.9, 1.5D, BW]

REDUCER/EXPANDER

18" x 10", S60 x XS, MSS- SP -75 GR.WPHY52

2" x 3", XS x STD, ASTM A 234, Gr. WPB (Charpy)

EQUAL TEE

2" NB, SCH.- XS, ASTM A 234, Gr. WPB (Charpy), BW

UNEQUAL TEE

2" x 3" NB, SCH.- XS x STD, ASTM A 234, Gr. WPB (Charpy), BW

RESTRICTED ORIFICE

Supply of RO for 2" pipeline as per design/specification

Note: 1. Contractor have to work-out the actual quantities to be installed and take prior permission from Client/PMC for procurement of matterial. Payment against supply of assorted pipes, fittings, flanges shall be made for the installed qty. only. No payment shall be made for qty. against scrap, consumed during EQT/PQT etc.

SUPPLY OF VALVES

Complete work of supply of valves including all taxes, duties, transportation and inspection charges but not limited to, the following items in accordance with relevant Specifications & relevant Data Sheets indicated in scope of work indicated in SCC, drawings, specification and instructions of EIC and as per all provisions of the CONTRACT DOCUMENT.

Non-return Valve

3" NB, 150#, RF, FB

Ball Valves

3" NB,150#, RF, FB

2" NB,150#, RF, FB, LO

ERECTION OF VALVES ( As per P & ID )

Handling including lifting and transportation from COMPANY's warehouse/Contractor's storage yard 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.

Flanged Valves (Full Bore/ Reduced Bore)

NRV/Ball valve

BW Valves (Full Bore/ Reduced Bore)

Ball valve

RADIOGRAPHY

Performance of radiographic inspection by gamma radiation/X-ray as per scope of work and as per specifications in piping of all types and thickness at all heights 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.

DIGITIZATION OF RADIOGRAPHY FILMS:

Carrying out digitization of all radiographic films 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/USB Drive for electronic viewing /retreival.

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

(ii) The total amount shall also be given by the bidder in the quoted currency(ies).

(iii) The above quantities are tentative based on preliminary data/ survey available. Actual BOQ shall be finalised based on detailed survey and IFC drawings.

Sub-Total Section A

SECTION:B- CIVIL WORKS

EARTH WORK IN EXCAVATION AND BACKFILLING

Earthwork in excavation for foundations in ordinary soils including soft rock / disintegrated rock in both dry and wet conditions including pumping and bailing out surface and subsoil water, shoring, strutting, slush removal including backfilling in all positions in layers of 300mm at all heights and depths as per drawings and specifications wherever required, in Foundation pits and other places with excavated suitable surplus earth including reclaiming from spoil heaps kept within the plot including dressing and levelling, watering and mechanical compaction etc.,transporting surplus unserviceable soil upto any lead and spreading in layers and as per specifications and direction of Engineer in charge. The Measurement for payment shall be for the theoretical volume only and it shall be the volume of the block of the excavation having maximum bottom dimension of the levelling course/PCC as per drawing and to actual depth.

For depth upto 2.0 m.

For depth beyond 2.0 m

1. The Contractor shall take into account in his rate, the provision for excess excavation required for necessary working space, cutting in slopes etc., which may be required for excavation and other allied works and refilling the side slopes and working space in layers as per requirement.

EARTH WORK IN FILLING

Controlled earth filling with good quality imported earth from approved source under floors and other places with special compaction to achieve dry density of 95% standard proctor density as per instruction of the Engineer at all heights/depths upto any lead transporting, depositing, compacting and dressing, trimming complete as desired in layers not exceeding 30cm including watering, consolidating by mechanical means as per specifications and instructions of the Engineer.

SAND FILLING

Supplying and filling approved quality coarse sand/M sand (Zone II or Zone III) in foundation or under floor, trenches, pits and other places, at all locations in layers of 150 mm thickness including watering and ramming, all lead, lift and depth complete as per drawing and specification and direction of the Engineer.

Note: 1. Rate to include cost of all labour, tools, tackles, equipment, hire charges, cost of sand, right of way, cess, and backfilling using sand in all conditions, etc.

PLAIN CEMENT CONCRETE

Supplying and laying plain cement concrete of grade 1:3:6 (M 10) with stone aggregate 40mm down grade (including shuttering if required) in all levelling courses under foundations, mass concrete works,road works, chambers, trenches,floors and any other locations at all depths complete in all respects as per drawings, specifications and directions of the Engineer-in-charge.

1.Rate to include cost of all labour, tools, tackles, equipment, hire charges, supply of all materials, OPC/PPC cement, shuttering in all conditions etc. with all bye works and sundry works.

2. In case of non availability of OPC Cement, PPC Cement can be used in place of OPC after approval from Engineer-in-charge. Suitable rate for rebate using PPC shall be submitted by the Contractor.

REINFORCED CEMENT CONCRETE

Providing and Laying in position Machine batched and machine mixed Design mix/ Ready mixed for Reinforced Cement Concrete work of grade M-25 using 20mm down size graded aggregate at all depths and heights using cement content as per approved design mix manufactured in fully automatic batching plant and transported to site of work in transit mixer for all leads, having continuous agitated mixer, manufactured as per mix design of specified grade for reinforced cement concrete work including pumping of RMC as applicable, including cost of centering, shuttering and admixtures in recommended proportions as per IS: 9103 to accelerate/retard setting of concrete (improve workability without impairing strength and durability) but excluding cost of reinforcement as per direction of Engineer-in-charge. Mechanical mixers with Hopper along with Weigh Batcher shall also be permitted for use at site with the approval of Engineer-Incharge to produce Design Mix Concrete of specified grade.

1. Rate to include cost of all labour, tools, tackles, equipment, hire charges, supply of all materials such as, minimum 43 grade OPC cement/PPC cement including sulphate resistant cement if required, coarse and fine aggregates, admixtures, other minor construction materials, testing of concrete, curing etc. with all bye works complete.

2. The reinforcement shall be paid separately vide respective item.

3. In case of non availability of OPC Cement, PPC Cement can be used in place of OPC after approval from Engineer-in-charge. Suitable rate analysis for rebate along with mix design using PPC shall be submitted by the Contractor.

REINFORCEMENT STEEL

Supplying, Fabricating and Fixing in position TMT Grade Fe 500D reinforcement conforming to IS1786 at all levels and positions including the cost of transport, straightening, cutting, bending, cranking, welding, provision of necessary chairs and spacers, preparation of bar bending schedule and getting the same approved by EIC etc., complete as per drawings and specifications and including cost of binding wire, labour, testing etc., all complete in all respects as per detailed construction drawings, technical specifications and direction of Engineer-in-charge. The chairs and spacer bars provided will not be measured for payment.

1. Rate to include cost of all labour, tools, tackles, equipment, hire charges, supply of all materials such as reinforcement steel, binding wire etc. with all bye works and sundry works complete.

2. Chairs, Unauthorised Laps, Spacers, Binding wire, Wastage etc. shall be to contractor's account.

BRICK WORK

Providing and laying BRICK WORK straight or curved on plan to any radius using best quality bricks with frog/indent, conforming to sub-class A as per IS:1077 having crushing strength of not less than 50 kg/cm2 in cement mortar 1 :6 (1 Cement : 6 Coarse Sand) in all types of foundation and superstructure at all depths/heights including projections, pillars, parapets, ornamentals of any shape, cornices, all complete including cut work, curing, scaffolding,including filling of joints with Cement Mortar 1:6 and racking of joints, etc. as per specifications, drawings and directions of the Engineer.

Rate to include cost of all labour, tools, tackles, equipment, hire charges, supply of all materials such as minimum 43 grade cement (OPC/PPC), bricks, finishes, bitumen, other minor construction materials, shuttering, staging, masonry work, painting with bitumen on faces in contact with soil etc. as per requirement with all bye-works and sundry works complete as per drawings.

BOULDER SOLING

Providing and laying stone boulder soling with stone boulders of different sizes including packing filling interstices with smaller size stones dry and wet consolidition with moorum as coarse aggregate in foundation, trenches,pavements including ramming, consolidating with mechanical means and tamping etc. completed as directed at the site (Compacted thickness shall be measured for payment)

150mm thick of size 90-120mm

PAVER BLOCK FLOORING

Supplying and placing in position as per approved pattern of Cement Concrete Inter locking/grass jointed paver block 60 mm thick of approved shape, rough finish, M-30 strength of approved brand laid over the sand bed of minimum 100 mm thick. The CC interlocking blocks to be of uniform Grey colour or as approved by EIC complete in all respects as per scope of work, detailed construction drawings, technical specifications and directions of the Engineer-in-charge.

1. Rate to include cost of all labour, tools, tackles, equipment, hire charges, supply of all materials such paver blocks, sand, earth work in excavation in cutting earth in all conditions, shuttering with all bye works and sundry works.

2.PCC below paver shall be paid separately vide respective item.

KERB STONE FIXING

Providing and fixing precast concrete Kerb stones (125 wide X 300 deep approx.) of M-30 grade or equivalent of approved make and shape at or near ground level as per approved pattern and setting in position with cement mortar 1:3 (1 cement : 3 coarse sand) including the cost of required centering, shuttering and finishing smooth with 6 mm thick cement plaster 1:3 (1 cement : 3 fine sand) wherever required over 75 mm thick PCC M-10 levelling course, complete in all respects as per scope of work, detailed construction drawings, technical specifications and directions of the Engineer-In-Charge.

Note: 1. Rate to include all labour, tools, tackles, factory manufactured & steam cured Kerb Stones, shuttering, transportation, water charges, earth work if any, PCC etc complete.

DISMANTLING OF RCC ROADS

Dismantling of R.C.C. roads along with removing the debris and disposal of unserviceable material to any lead and staking of serviceable materials, handing over serviceable material to concerned department if required as per technical specifications and direction of Engineer-in-charge.

1. Rate includes cost of all labour, tools, tackles, hire charges, royalties, levies, leads, loading/unloading, transportation, water, electric power, illumination etc. complete in all respects as per scope of work, detailed construction drawings, technical specifications and direction of Engineer-in-charge.

RESTORATION OF RCC ROADS

Restoration of RCC roads by preparing the existing surface, repair/replacement of subgrade as per requirement, concrete work (including reinforcement, formwork and finishing) and any other ancilliary works making it serviceable as per technical specifiactions and direction of Engineer-in-charge.

1. Rate includes cost of all labour, tools, tackles, hire charges, royalties, levies, leads, loading/unloading, transportation, water, electric power, illumination etc. complete in all respects as per scope of work, detailed construction drawings, technical specifications and direction of Engineer-in-charge.

DISMANTLING OF BITUMEN ROADS

Dismantling of bitumen roads along with removing the debris and disposal of unserviceable material to any lead and staking of serviceable materials, handing over serviceable material to concerned department if required as per technical specifications and direction of Engineer-in-charge.

1. Rate includes cost of all labour, tools, tackles, hire charges, royalties, levies, leads, loading/unloading, transportation, water, electric power, illumination etc. complete in all respects as per scope of work, detailed construction drawings, technical specifications and direction of Engineer-in-charge.

RESTORATION OF BITUMEN ROADS

Restoration of bitumen roads by preparing the existing surface, repair/replacement of subgrade as per requiremnt bitumen carpeting and any other ancilliary works making it serviceable as per technical specifiactions and direction of Engineer-in-charge.

1. Rate includes cost of all labour, tools, tackles, hire charges, royalties, levies, leads, loading/unloading, transportation, water, electric power, illumination etc. complete in all respects as per scope of work, detailed construction drawings, technical specifications and direction of Engineer-in-charge.

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

(ii) The total amount shall also be given by the bidder in the quoted currency(ies).

Sub-Total Section B

SECTION:C- STRUCTURAL WORKS

Supply, fabrication & erection of Steel structure

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.

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

(ii) The total amount shall also be given by the bidder in the quoted currency(ies).

Sub-Total Section C

Grand Total A+B+C

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

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