Pre Fabrication/Modification, Erection and Hooking Up of a portion of 1800 mm MS Inlet Gas ducts between W4 and New IAT and 1800mm MS Outlet Gas duct between New IAT and W5 in connection With Hook Up of New IAT in SA Plant, FACT-CD.

Pre Fabrication/Modification, Erection and Hooking Up of a portion of 1800 mm MS Inlet Gas ducts between W4 & New IAT and 1800mm MS Outlet Gas duct between New IAT & W5 in connection With Hook Up of New IAT in SA Plant, FACT-CD.

Reuse/Modification and length reduction of 1800 mm gas outlet duct from IAT outlet nozzle to 1st duct support. Same IAT outlet duct from 1st duct support will be used for outlet gas connection to new IAT. Make necessary site arrangements for this work like scoffilding/temporary support to facilitate the cutting and welding work at height of 28 meter. Cut the duct near the outlet nozzle and from top of 1st boot support in order to adjust the height as per new IAT outlet nozzle. Cut portion of outlet duct to be brought down for length adjustment and patch work to be done if required after cleaning work as per instructions of engineer in-charge. After root weld, all joints shall be DP Tested as per instructions and defects if any shall be repaired as per instructions of Engineer-in - Charge. Erection of modified duct to be done from same duct support to new IAT outlet nozzle. All temporary supports to be removed after completion of erection. Crane shall be made available by FACT for dismantling & erection of ducts and structurals. Necessary hook with pad plate, as per standards shall be welded on each piece (duct) to facilitate the dismantling and erection at high altitute.The ducts and mitre elbows shall be welded with required fillet. All welding joints shall be ground properly. After complete fabrication/adjustment work, clear the site, unused plates and structurals shall be neatly stacked in area earmarked,scrap shall be collected in area earmarked. Quantity indicated in the drawing/schedule is approximate. Contactor shall take exact length/measurements at site. Approx weight of 1800mm duct length to be cut : 6500KG

Prefabrication & Erection of 1800 mm mitres and use of rolled duct for fabricating 1800mm inlet duct portion from 1st duct support to inlet nozzle. Collect and transport pre-fabricated duct/plate,tools and tackles for the work. Make necessary site arrangements for the work. Rolled MS duct of 1800mm dia and 8mm thickness is to be used for making inlet duct. The Joining / setting the rolled duct pieces properly after correcting the ovality if any,tack / stich welding to form the required length as per available drawings. Mark,cut, set and fabricate 2 No. 45 degree mitred elbows for 1800mm inlet duct. Full weld the duct pieces and join as per instruction/ available drawing to facilitate erection at site. and defects if any found shall be repaired as per instructions of Engineer-in - Charge. Transport the fabricated/ duct pieces and mitres to worksite. Erect 1800mm gas inlet duct from 1st duct support to new IAT along with mitre elbows as per relevant drawings and site conditions and hook up to the tie point. Final hook up shall be done during ATA 2025 tenetively during April 2025. Necessary temporary supports shall be provided. The tie point/hook up joint area shall be bevelled before welding. After erection and setting of the duct pieces and mitre elbows, full weld all the fit up joints. After root run DP test shall be done and defects if any shall be repaired as per instructions of Engineer-in - Charge.. All welding joints shall be free from any strain and ovality. Any modifications at site shall be done as per instructions from engineer in-charge. Approx total length of duct excluding mitres is 7m. All welding joints shall be ground properly. After complete fabrication, clear the site, unused plates and structurals shall be neatly stacked in area earmarked, scrap shall be collected in area earmarked. Quantity indicated in the drawing/schedule is approximate. Contactor shall take exact length/measurements at site. Any additional mitre elbows/ducts required to be fabricated shall also be under contractor's scope as per site instructions. After erection and full welding clear the site and transport the scrap to area earmarked. After erection, all ducts shall be leakproof and leaks if any shall be repaired by contractor at his own cost & risk.

Dismantle existing 1800mm inlet Gas Duct from 2nd support to inlet nozzle of old IAT,scrap Collection and Transportation to Scrapyard: Arrange necessary tools and tackles required for the work. Make required site arrangements like scoffoldings etc. Cut and remove existing 1800 mm inlet gas duct of existing IAT at the tie point/hook up joint as per relevant drawing/instruction of engineer in-charge to facilitate erection of new ducts. Necessary temporary supports shall be provided. Unwanted assosiated structurals shall also be dismantled as per instructions. Cranes shall be made available by FACT for dismantling of ducts and structurals. Dismantled duct shall be transported to the earmarked area/scrapyard as per instruction. Scope of collection,loading/unloading and transporation of dismantled ducts/structurals/any scrap arising out of fabrication and erection of subject work shall be under contractors scope. Suitable vehicle/tractor and trailer/truck and crane/hydra of required capacity shall be brought by the contractor. Weight taken will be weigh of final dismantled duct and associated structurals for billing.

Reuse of 1800 mm gas outlet duct between the 1st and 2nd duct support. Arrange necessary tools and tackles required for the work. Make required site arrangements like scaffoldings/ temprorary support for fixing hook up points etc at the approx height of 20m. Cut the duct between the 1st and 2nd duct support and bring down. Clean the duct from inside to remove muck deposition. Patch work to be done in leaky and weak area of the duct and then erection work to be carried out by using same duct. Fix the same duct up side down ( Patch work side to be in top side and good section of duct to be bottom side). Crane shall be made available by FACT for dismantling and erection of ducts and structurals.The tie point/hook up joint area shall be bevelled before welding. After erection and setting of the duct pieces and full weld all the fit up joints. After root run DP test shall be done.All welding joints shall be free from any strain and ovality. Any modifications at site shall be done as per instructions from engineer in-charge.

Fabricate and Erect Structural Support for 1800 mm Gas Inlet and Outlet Ducts of New IAT: Collection of required materials from FACT -CD stores / plant area and transport to the work site. New structural suports including saddle suports,duct foot supports etc. shall be fabricated and erected as per relevant drawings and instruction of the officer - in -charge to meet site requirement. All welding joints shall be suitably bevelled and full welded. Existing supports/temporary supports if required shall be strengthned as per site instructions. Site shall be cleared after work, unused structurals shall be transorted and neatly stacked in area earmarked, scrap shall be collected in area earmarked. Fabricated strucutrals shall be painted with two (02) coats of zinc chromate yellow primer of approved make/quality and two (02) coats of synthetic enamel paint of distinct colours of approved make/quality. The surfaces to be painted are to be cleaned manually using wire brush to the extent that entire surface is free from dirt, dust, oil,grease or any foreign material.The structural steel after transporting from store to worksite shall be immediately be cleaned and first coat primer shall be applied. The structurals after fabrication and applied one after the other after giving sufficient curing time after each coat applied at all elevations. Any area inaccessible after erection shall be painted beforehand.All costs incurred in painting including cost of paints,primers,painting equipments, cleaning equipments, handling charges, scaffolding and any other incidental expenses will be under contractor's scope.

Supply/unloading and Handing over of 650/1100V, Copper conductor PVC insulated, armoured PVC outer sheathed cable of size 5 cores x 2.5 sq.mm. The cable shall be supplied at Q10 installation of FACT at Willingdon Island and must be unloaded as per the instruction of engineer-in-charge. Vechicles/loading and unloading shall be in contractors scope

Supply of single compression nickel plated brass cable glands suitable for 650/1100V cable of size 3.5 cores x 400 sq.mm., aluminium conductor, PVC/XLPE insulated, armoured, PVC outer sheathed. The bidder shall varify the entry thread, type of enclosure etc, to find out the actual type of gland required.

Supply of single compression nickel plated brass cable glands suitable for 650/1100V cable of size 3.5 cores x 185 sq.mm., aluminium conductor, PVC/XLPE insulated, armoured, PVC outer sheathed. The bidder shall varify the entry thread, type of enclosure etc, to find out the actual type of gland required.

Supply of single compression nickel plated brass cable glands suitable for 650/1100V cable of size 3.5 cores x 50 sq.mm., aluminium conductor, PVC/XLPE insulated, armoured, PVC outer sheathed. The bidder shall varify the entry thread, type of enclosure etc, to find out the actual type of gland required.

Supply of single compression nickel plated brass cable glands suitable for 650/1100V cable of size 3 cores x 50 sq.mm., aluminium conductor, PVC/XLPE insulated, armoured, PVC outer sheathed. The bidder shall varify the entry thread, type of enclosure etc, to find out the actual type of gland required.

Supply of single compression nickel plated brass cable glands suitable for 650/1100V cable of size 3 cores x 35 sq.mm., aluminium conductor, PVC/XLPE insulated, armoured, PVC outer sheathed. The bidder shall varify the entry thread, type of enclosure etc, to find out the actual type of gland required.

Supply of single compression nickel plated brass cable glands suitable for 650/1100V cable of size 5 cores x 2.5 sq.mm., copper conductor, PVC/XLPE insulated, armoured, PVC outer sheathed. The bidder shall varify the entry thread, type of enclosure etc, to find out the actual type of gland required.

Supply of heat srinkable cable jointing kit for armoured cable of size 3.5 cores x 300 sq.mm.

Supply of heat srinkable cable jointing kit for armoured cable of size 3 cores x 185 sq.mm.

Supply of heat srinkable cable jointing kit for armoured cable of size 3.5 cores x 120 sq.mm.

Supply of cable tags, aluminium or SS for cables (cable No. pre-fix will be given at the time of erection)

Supply and Installtion of UG LT Cable Route Marker as per engineer in charge instructions for cable identification

Laying of 650/1100V, Aluminium conductor PVC/XLPE insulated, armoured, PVC outer sheathed cable of size 3.5 cores x 400 sq.mm. through the existing cable tray at Q10 substation 25 mts / excavated trench 85 Mts and cable tray at phosphorc acid dic wall (35 Mts) as per the instruction of engineer-in-charge. The scope of work shall also include laying, dressing, fixing on cable trays/racks/risers/walls/columns clamping, tagging, tying, minor civil work etc. The rates quoted shall include supply of all accessories required such as, cable clamps, bolts, nuts, washers, cable tags, nylon ropes, etc.

Laying of 650/1100V, Aluminium conductor PVC/XLPE insulated, armoured, PVC outer sheathed cable of size 3/3.5 x 50 sq.mm. through the existing and newly fabricated cable tray at various locations in Q10 berth installations of FACT, as per the instruction of engineer-in-charge. The scope of work shall also include laying, dressing, fixing on cable trays /racks /risers /walls /columns clamping, tagging, tying, minor civil work etc. The rates quoted shall include supply of all accessories required such as, cable clamps, bolts, nuts, washers, cable tags, nylon ropes, etc.

Laying of 650/1100V, Aluminium conductor PVC/XLPE insulated, armoured, PVC outer sheathed cable of size 3 x 35 sq.mm. through the newly fabricated cable tray at phosphorc acid dic wall , as per the instruction of engineer-in-charge. The scope of work shall also include laying, dressing, fixing on cable trays /racks /risers /walls /columns clamping, tagging, tying, minor civil work etc. The rates quoted shall include supply of all accessories required such as, cable clamps, bolts, nuts, washers, cable tags, nylon ropes, etc.

Laying of 1 core x 70 sq.mm. (2 Run x 110 Meter) unarmoured, earthing cable through the existing cable tray at Q10 substation 25 mts / excavated trench 85 Mts and cable tray at phosphorc acid dic wall (35 Meters) as per the instruction of engineer-in-charge. The scope of work shall also include laying, dressing, fixing on cable trays/racks/risers/walls/columns clamping, tagging, tying, minor civil work etc. The rates quoted shall include supply of all accessories required such as, cable clamps, bolts, nuts, washers, cable tags, nylon ropes, etc.

Laying of 1 core x 35 sq.mm. unarmoured, earthing cable through the newly fabricated cable tray at phosphorc acid dic wall , as per the instruction of engineer-in-charge. The scope of work shall also include laying, dressing, fixing on cable trays /racks /risers /walls /columns clamping, tagging, tying, minor civil work etc. The rates quoted shall include supply of all accessories required such as, cable clamps, bolts, nuts, washers, cable tags, nylon ropes, etc.

Laying of 650/1100V, Aluminium conductor PVC/XLPE insulated, armoured, PVC outer sheathed cable of size 5 cores x 2.5 sqmm armoured coper cable (4 run x 35 Meter) through the newly fabricated cable tray at phosphorc acid dic wall, as per the instruction of engineer-in-charge. The scope of work shall also include laying, dressing, fixing on cable trays /racks /risers /walls /columns clamping, tagging, tying, minor civil work etc. The rates quoted shall include supply of all accessories required such as, cable clamps, bolts, nuts, washers, cable tags, nylon ropes, etc.

Rerouting and Laying of 650/1100V, Aluminium conductor PVC/XLPE insulated, armoured, PVC outer sheathed cable of size 3.5 x 185 sq.mm. through the excisting cable tray at phosphorc acid dic wall , as per the instruction of engineer-in-charge. The scope of work shall also include laying, dressing, fixing on cable trays /racks /risers /walls /columns clamping, tagging, tying, minor civil work etc. The rates quoted shall include supply of all accessories required such as, cable clamps, bolts, nuts, washers, cable tags, nylon ropes, etc.

Glanding and Termination of cable of size 3.5 core x 400 sq.mm. at PAT MCC Incomer and substation out going with suitable lugs and crimping.

Glanding and Termination of cable of size 3.5 core x 185 sq.mm. at PAT MCC Outgoing with suitable lugs and crimping.

Glanding and Termination of cables of size 3.5 core x 50 sq.mm. at various locations in Q10 berth installations of FACT with suitable lugs and crimping.

Glanding and Termination of cables of size 3 core x 50 sq.mm. at PAT to motor terminal (30 KW Motor, 2 Nos.) with suitable lugs and crimping.

Glanding and Termination of cables of size 3 core x 35 sq.mm. at PAT to motor terminal (15 KW Motor, 2 Nos.) with suitable lugs and crimping.

Termination of earthing cable of size 1 core x 70 sq.mm. at PAT MCC and substation with suitable lugs and crimping.

Termination of earthing cable of size 1 core x 35 sq.mm. at PAT MCC to motor terminals at acid P2O5 pump house with suitable lugs and crimping.

Glanding and Termination of cables of size 5 core x 2.5 sq.mm. at PAT MCC module to motor push button station with suitable lugs and crimping.

Jointing of armoured cable of size 3.5 cores x 300 sq.mm. using heat srinkable cable jointing kit

Jointing of armoured cable of size 3 cores x 185 sq.mm. using heat srinkable cable jointing kit

Jointing of armoured cable of size 3.5 cores x 120 sq.mm. using heat srinkable cable jointing kit

Excavation and back filling of cable trench for laying power/ earthing cables/ cable trench of not less than 300 mm width and 600 mm depth (0.6 meter depth from ground level)

Shifting of existing PAT MCC to temporary shed. The scope of work includes dismandling MCC and all incoming/outgoing cables and shifting to nearest temporary shed./reassembling/fixing the MCC and providing 1 number of incoming cable of size 3.5 cores x 400 sq.mm. and 5 numbers of out going power cables (2 no.s of 3 cores x 50 sq.mm., 2 no.s of 3 cores x 35 sq.mm., 1 no.s of 3.5 cores x 185 sq.mm.) and 4 numbers of control cables (5 cores x 2.5 sq.mm.) in newly fabricated cable tray/trench with suitable single compression gland.

M A Shamsudeen (BID ID -3162645)

MADONNA INDUSTRIES (BID ID -3163442)

Sabu John A (BID ID -3163487)

AYYAPPANKUTTY M M (BID ID -3162815)

MBM ENGG WORKS (BID ID -3161489)