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| Sl. No. | Item Description |
| 1 | GST % for the tenderPlease select the rate of GST in cell AY13. Rate selected shall be applicable for all the items under BoQ. |
| 2 | Composite |
| 3 | Dismantling work: |
| 4 | Shell: Dismantling of shell course, retrieving/removing of shell plates, wind girder. Retrieving all existing manholes/nozzles/fittings, in strumentation, side rail etc. by gas cutting/cold cutting as per site condition as directed by EIC. Shifting of all scrap to scrapy ard/designated location as per EIC after taking and recording weight. During the entire shifting job, all safety norms to be followe d.Stiffener arrangement shall be made prior to dismantling seperate payment shall be done for stiffener arrangement. Note: The measurement of dismantling shall be calculated based on actual area of shell plate replaced minus 10% correction for corro sion.Contranctor must submit the visual inspection report which include visual inspection, dimensional measurement and bending/buckl ing measurement of each item/section as directed by EIC/Site engineer. Work include: Shell and its appurtenances etc as directed by EIC/Site Engineer |
| 5 | Bottom: Dismantling of bottom (Annular) plates completely: Dismantling of bottom (Annular) plates, job involves cutting of bottom plate and shell to bottom plate welding, jacking of shell, an d also cutting of annular to Dismantling of bottom (Sketch) plate & Sump: Dismantling of bottom (Sketch) plates by gas cutting and roof to be properly supported and handing over to civil maintenance for tan k bottom foundation repair. Shifting of roof support as and when required to facilitate repair/relaying of foundation. Note: The measurement of dismantling shall be calculated based on actual area laid of complete bottom sketch plate minus 10% corrosi on correction.Contranctor must submit the visual inspection report before the start of dismantling work which include visual inspect ion, dimensional measurement and bending/buckling measurement of each item/section as directed by EIC/Site engineer. Work include: Dismantling of sketch plate, annular plate, repair work where roof leg jacking required,sump etc as directed by EIC/Site Engineer |
| 6 | Cold cutting of tank shell/roof using hydro-jet Abrasive Method |
| 7 | Pipe: Dismantling and removal of sprinkler line, foam line, water drawn off, rain drawn off, product draw off by gas cutting or by grindi ng from shell attached support lowering down the same to ground level with due care ; transporting to as per the direction of the E ngineer-in-Charge and shifting the scrap pipes etc. to scrapyard or any other location within premises and completing the job as per the instructions of Engineer-in-Charge. Scope also includes supplying of all types of tools and tackles, lifting arrangements, equipment, machineries, all consumables and l abour etc. to complete the work in all respects including area preparation, taking clearance for hot jobs, blinding and de-blinding, area cleaning after completion of work, arrangement for flushing wherever required as directed by the Engineer-in-Charge.Contrancto r must submit the visual inspection report which include visual inspection, dimensional measurement and bending/buckling measurement of each item/section as directed by EIC/Site engineer before the actual dismantling work. Work include: Dismantling of pipings: PDO/WDO/RDO/sprinkler/Foam/ Spool pieces etc as directed by EIC/Site engineer |
| 8 | Structure dismantling: Removal of existing platforms / pipe supports / davits / stairways etc. along with adjacent fittings / members by cutting / deboltin g or by any other means without damaging the remaining unit and lowering down to the ground, retrieving of all the usable materials and transportation to the storage point as directed by the Engineer-in-Charge and complete in all respect with all labour, tools, ta ckles, heavy equipment, consumables and supervision etc. as per the direction of the Engineer-in-Charge. Requirement of scaffolding to be envisaged and decided by Engineer-in-Charge as per site requirement and scaffolding item to be paid separately. |
| 9 | equipment: The job involves removal of existing equipment like tank mixer, bypass conductors, ,Foam module, , manholes etc etc along with bas e frame / support plate,etc. unfastening, dismantling and transporting of all types of equipment with all care to avoid any damage to equipment to the scrapyard / main stores / designated place with all connected structural, various fittings, instruments installe d on the equipment. Job also includes supplying of all types of tools, tackles, lifting arrangements, cranes, tractor trolley and eq uipment, machineries all consumables and labour to complete the job in a workmanlike manner, area preparation for hot job and area c leaning after completion of work including blinding, deblinding, removal of insulation, gas cutting of bolts, chipping of foundation , flushing wherever required. All jobs are to be carried out as per the instruction and to the full satisfaction of the Engineer-in- Charge. Requirement of scaffolding to be envisaged and decided by Engineer-in-Charge as per site requirement and scaffolding item to be paid separately. Work include: Removal of tank mixers, spool pieces, foam module, RGA, valves, flanges, or any item which does not required metal cut ting etc as directed by EIC/Site engineer |
| 10 | Fabrication/restoration work |
| 11 | Roof fabrication, erection and testing: Transportation of all materials from owner's storage location to worksite, rolling, fabrication, erection and welding of all steel p lates for floating roof of tanks and providing all manholes, nozzles etc., fittings and fixing of all appurtenances, instruments, accessories, sealing devices, safety devices etc., carrying out all structural work and all other work required for the roof structu res, pipe supports, Spriral stairways, hand rails, landing platforms, rolling ladder and other components of the tanks, earthing of tank parts and overall earthing of tanks as per approved scheme, installation of side entry tank mixers, providing still pipes for a nti-rotational device, radar type level gauges, temperature measurement and support brackets and structural support for level indica tor, providing support brackets for foam pourer, providing deflector plates at secondary wind girder level for the cooling water, pr oviding nozzles for level alarms, gauge hatch covers, including supply of materials, tools and tackles, labour etc. Supplying and providing 200 mm diameter roof drains with SS304 inner layer carcass and outer layer of polyamide / nylon flexible joi nt/pivot master type/flexible hose type, resistant to sour crude operations, having repetitive lay pattern without any external supp ort, and radiography including arranging source, film / material, carrying out radiographic tests, arranging water for hydrostatic t est and carrying out hydrostatic test, pneumatic vacuum and other types of necessary testing- TWO adjacent Pontoon floatation test, flushing, cleaning, pickling welded joints and , including supply of all materials (other than owner-supplied materials), appurtenan ces, accessories, labour etc. required for the work complete in all respect for oil storage tanks in accordance with the tender spec ification / drawings / stipulations and as per the instructions of the Engineer-in-Charge. Note: The MS plates for bottom, shell, roof, extension plates, reinforcement pads plates for shell manholes, foam dam will be suppli ed by the owner as per drawing and specifications. All other labour and materials etc. shall be arranged by the contractor at his co st. Envisaged material included in contractor scope: Structural material for roof compartments, rolling ladder, curbe angle,PWG wind girders ,Pipes for roof leg support,Roof drain pipin gs and flexible joints/pivot master/flexible hose,Anti rotational devise pipings and fittings,Gauge hatch covers,Water supply for ro of flotation, primary seal, secondary seal, submerged shunt, bypass conductor, brass guide roller, brass wheel assembly etc Testing to be done: Oil chalk test/vacuum box test/DP test ,Hydro-test for flotation ,Two adjacent pontoon flotation testing Requirement of scaffolding to be envisaged and decided by Engineer-in-Charge as per site requirement and scaffolding item to be paid separately. Payment shall be done based on total actual weight of roof and its component like rim seal system, roof leg, rolling ladder, earthin g system, gaugewell pipes etc including owner supply material and contractor supply material used in fabrication of complete roof an d roof component. Water for floatation and pontoon testing is under the scope of contractor no seperate payment for water shall be d one for flotation & pontoon testing of roof. |
| 12 | Shell: Installation of shell plates along with all nozzles connected to inlet / outlet lines, drains, roof drain connection, nozzle reinfor cement etc as per original drawing , wind girders,foam pourer extension plate etc and all other existing fittings, instrumentations, side rails, etc. to bring back the tank in original condition and to the satisfaction of Inspection / Operation and Engineer-in-cha rge. All weld joints conforming to NDT, such as DP test, Pneumatic test; joints radiography etc. As per code API-650 / 653 and IS-80 3 Note: 1.Radiography shall be paid as separate item. Contractor mus submit the fitting reports-alignment, welding visual inspection, RT report (Seperate payment) & NDT report, out of ro undness etc as per direction of EIC/Site Engineer |
| 13 | Bottom: Fabrication / erection / laying of bottom / annular plates 10 / 14 / 16 mm thick: Transport of MS Plates from store to worksite, fabrication, erection, overlaying and welding of bottom / annular plates keeping pain ted surface towards bituminous pad. Making slot in tank shell, insertion of annular plate, shell to bottom welding from both side of shell, testing of butt / lap joints by soap solution under pneumatic test, chalk - diesel test of shell to bottom annular plate all around. Job involves - Edge preparation; fixing of backing strip; welding; NDT i.e. performing DP test, pneumatic test; joints radiography e tc. Misc. job involves. Lifting of tank shell by jacking. Hydraulically jack up of tank shell to be done in case of annular plate re placement. All weld joints preparation by buffing to facilitate NDT, shell window cutting (of appropriate size) in 1st shell course for insertion of bottom plates and reposition and welding the same after completion of job. Welding of shell window after preheating the plate. Proper stiffening / support to be provided in cutout plate to prevent deformation. All jobs related to tank bottom replacement to be completed in all respect for restoring the tank in original condition and commissi oning as per the drawing, specifications, relevant latest codes (API-650 / 653; IS-803) and to the satisfaction of Inspection / Oper ation and Engineer-in-charge. Note: Radiography test shall be paid as separate item. Fabrication / erection / laying of bottom sketch plates5/ 6 / 8 mm thick: Transport of MS Plates from store to worksite, fabrication, erection, overlaying, edge preparation / fixing of backing strip / weldi ng of bottom sketch plates keeping painted surface towards bituminous pad. All weld joints conforming to NDT, such as DP test, pneum atic test, vacuum test, joints radiography etc. as per code API-650 / 653; IS-803. Misc. jobs involves all weld joints preparation by buffing to facilitate NDT, preparation of mud dam, conducting pneumatic test as p er inspection recommendation. All jobs related to tank bottom replacement to be completed in all respect for restoring the tank in original condition and commissi oning as per the drawing, specifications, related latest codes (API-650 / 653; IS-803) and to the satisfaction of inspection / produ ction and engineer in charge. Note: Radiography test shall be paid as separate item. |
| 14 | Pipe fabrication & erection: Transportation of all piping (Sprinkler, foam,,sump interconnection, WDO, PDO, RDO, TRV or any piping) items from owner's storage p oints to work site and / or pre-fabrication yard and to site after pre-fabrication; cutting, grinding, edge preparation of pipes and fittings, like flanges, elbows, tees, reducers etc. to match the mating edges of different thickness; fit-up, bending, welding usin g approved welding electrodes as per owner's quality requirements, testing and inspection etc. as per codes / specifications, drawin g etc., threading, laying, erection and alignment of pipes up to adesired height of tank shell, anchoring wherever required, conne cting wincluding fixing of all types of gaskets, nuts and bolts, elbows, tees, flanges.Contractor must submit fitting, welding and t esting hydrotesting report wherever required |
| 15 | MS Structural steel: Supplying at site, steel structural items such as steel plates, bars, MS gratings, chequered plates, angles, beams channels, commerc ial quality heavy pipes, C.I. Rollers, bolts & nuts, washers, grouting bolts, padding plates etc., fabrication and erection of saddl e supports and other type of supports for pipes manifolds and valves, fabrication and erection of platforms walkways, stairways etc, curbe angle, pontoon structural repair etc., sand blast/ power brush cleaning, priming and painting the finished structures includi ng supply of all other inputs such as labour, materials, consumable etc. necessary to perform and complete the work in all respect, in accordance with drawings, specifications and instructions of the Site Engineer / EIC. Contractor must submit the lay out drawing, cutting and fitting report, welding and final erection report |
| 16 | GI Garting: Supplying at site, steel structural items such as steel plates, bars, fabrication of gratings by electroforged method, after complet e fabrication entire gratings shall be Hot Dip galvanized, gratings shall be normany of size 810mm X 250mm for steps and 1200mm X 10 00 mm or 810mm X 1000 mm for platforms / walkways, or any size as advised by EIC. Placing gratings in a replaceable mannerbolting wi th base frame of ISA by suitable GI clamps and GI fasteners, including supply of all other inputs such as labour, materials, consuma ble etc. necessary to perform and complete the work in all respect, in accordance with drawings, specifications and instructions of the Site Engineer / EIC.Contractor must submit the lay out drawing, cutting and fitting report, welding and final erection report as per deirection of EIC/Site Engineer |
| 17 | GI Structure Including hand railing pipe : Supplying at site, GI structural items such as flat, bars, chequered plates, angles, beams channels, commercial quality pipes,bolts & nuts, washers, grouting bolts, fabrication and erection of various structures items including supply of all other inputs such as l abour, materials, consumable etc. necessary to perform and complete the work in all respect, in accordance with drawings, specificat ions and instructions of the Site Engineer / EIC. |
| 18 | Cable tray: Supply, installation & fixing of prefabricated perforated GI cable trays with tray cover of width 150 mm, 300 mm, 450 mm & 600 mm as per site requirement for laying of cables with standard rung spacings. Load for support span of 2.5 meter as 30, 60, 75 & 90 (in Kg /Mtr) respectively with concentric static load as 70 Kg at the centre, with materials, labour, tools and tackles, consumables etc , as per drawings, specification and directions of Site Engineer / Engineer-in-Charge. |
| 19 | Repair by weld deposit: Grinding / cleaning of pitted / corroded area and filling the pitted surface by weld deposit using suitable electrode as directed by EIC and grinding / smoothening the surface as required and complete the job in all respect as per drawings and direction of the Eng ineer-in-Charge, including all labour, tools, tackles, consumables and supervision etc. CS weld deposit for tank surface (Shell, roo f, bottom, wind girders all) (rate upto 2.5mm depth for other depth rate shall be perpotional to 2.5mm) area shall based on diamete r of pit in case of scattered pitting |
| 20 | Welding with E-6013 electrode: Welding work including fillet weld, butt weld, weld reinforcement where-ever required for existing weld strengthening repair by patc h/ butt welding or any weld design. Excessive reinforcement, convexity shall be removed, grounded as per requirement. Rate is consi der for 15mm^2 cross sectional area of weld deposite. Rate shall be multiple of 15mm^2 say for 6mm equal leg fillet cross area shall be consider as 30mm^2 rate shall be 2*74.55 per meter. Contractor must submit the visual inspection report on existing weld cond ition, report after final welding etc as per direction of EIC/Site engineer |
| 21 | Welding with E-7018 electrode: Welding work including fillet weld, butt weld, weld reinforcement whereever required existing weld strengthening repair by patch/ bu tt welding or any weld design.. Excessive reinforcement, convexity shall be removed, grounded as per requirement. Rate is consider for 15mm^2 cross sectional area of weld deposite. Rate shall be multiple of 15mm^2 say for 6mm equal leg fillet cross area shall be consider as 30mm^2 rate shall be 2*314.79per meter.Contractor must submit the visual inspection report on existing weld condition , report after final welding etc as per direction of EIC/Site engineer |
| 22 | Transportation of equipments like valve, by pass conductors, foam module, tank mixers, Bottom sacrificial, anode installation man hole cover plates, reinforcement etc. from owner's storage point to work site, assembly of parts, fit-up, fixing, erection at all elevations, aligning, tightening of bolts, grouting, cleaning, stiffining if required, tack welding etc and installation of all moun tings and completing the works in all respects includingas per drawings and specifications. Job also includes supplying of all types of tools, tackles, lifting arrangements, heavy equipment, machineries, all consumables and labour to complete the job in a workmanl ike manner, area preparation for hot job and area cleaning after completion of work including blinding, deblinding, removal of insul ation, gas cutting of bolts, chipping of foundation, flushing wherever required. All jobs are to be carried out as per the instructi on and to the full satisfaction of the Engineer-in-Charge. Requirement of scaffolding to be envisaged and decided by Engineer-in-Charge as per site requirement and scaffolding item to be paid separately. |
| 23 | Civil Work |
| 24 | RCC Supports for the Sprinkler Line/Process piping/foam line:- Providing and laying Reinforced Cement Concrete in foundation & colum n, as directed by EIC, including centering and shuttering where necessary and curing with water including supply of steel reinforcem ents, necessary labours, tools, tackles, consumables etc. to complete the work in all respect. (M200/ 1 : 1.5 : 3 - 1-Cement : 1.5-s and : 3-stone aggregate 20 mm nominal). (excluding cost of reinforcement) |
| 25 | Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto pli nth level : |
| 26 | PCC 1:3:6:- Providing and laying plain cement concrete of mix 1:3:6 for support of fire water piping system, repair of circumferenti al drain/ radial drain/ apron area, including centering and shuttering where necessary and curing with water complete including cost of materials, equipments, manpower, tools, tackles, consumables, non-consumables etc. to complete the work in all respects as per t ender specifications and directions of EIC/ Site Engineer. |
| 27 | Cement concrete 1:2:4 (1 cement : 2 coarse sand graded stone aggregate) Cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 40 mm nominal size) in pavements, laid to required slope and camber in panels as required including consolidation finishing and tamping complete. |
| 28 | Supplying and filling coarse sand prior to bitumen carpeting including cost-of sand, royalty, transportation, loading , unloading, spreading in layers not exceeding 20 cm., watering, ramming, compacting, dressing and levelling etc. complete in all respects inclu sive of cost of all labour, materials, tools, tackles etc. as per drawings, specifications and direction of Site Engineer. |
| 29 | Tank annular plate projection sealing repair works by removal of damaged padding and strengthening of tank bottom Padding (in eroded condition) in outer shell to annular joint location approx. size (0.050M x 0.100M). Sealing with bitumen mixture/ Conbextra GP2 cem ent of requisite grade as per the direction of EIC/ Site Engineer. |
| 30 | Bituminous Carpet Rectification : Supply, laying as per profile and compaction of 50mm thk bituminous carpet (Premix bitumen layer c onsisting 80/ 100 grade black bitumen, coarse river sand and stone gravels in the ratio of 8:25:67) under Tank Bottom/ Annular Plate s including removal & disposal of damaged bitumen padding. This shall include supervision, manpower, machinery, tools, tackles, cons umables, non-consumables, equipments and other requisite resources. |
| 31 | Surface dressing of the ground including removing vegetation and in-equalities not exceeding 15 cm deep and disposal of rubbish, lea d up to 50 m and lift up to 1.5 m. |
| 32 | Brick work with common burnt clay modular bricks of class designation 7.5 in foundation and plinth in : Cement mortar 1:4 (1 cement : 4 coarse sand) |
| 33 | Supplying and laying flat brick soling in foundation trenches, in floors, garages, sumps, etc., with bricks of class designation 5 0 laid to proper slope, level and grade etc. filling of the joints with approved quality sand etc. complete in all respects inclusi ve of cost of all labour, materials, tools, tackles etc. as per drawings, specifications and direction of Site Engineer. |
| 34 | 18 mm cement plaster in two coats under layer 12 mm thick cement plaster 1:5 (1 cement : 5 coarse sand) and a top layer 6 mm thick c ement plaster 1:3 (1 cement : 3 coarse sand) finished rough with sponge. |
| 35 | Neat Cement punning |
| 36 | Providing and laying non-pressure NP-2 class (light duty) R.C.C. pipes with collars jointed with stiff mixture of cement mortar in t he proportion of 1:2 (1 cement : 2 fine sand) including testing of joints etc. complete : 450 mm dia. R.C.C. pipe |
| 37 | Providing and laying non-pressure NP-2 class (light duty) R.C.C. pipes with collars jointed with stiff mixture of cement mortar in t he proportion of 1:2 (1 cement : 2 fine sand) including testing of joints etc. complete : 300mm dia. R.C.C. pipe-12\\" size |
| 38 | Painting with synthetic enamel paint of Two or more coats on new work of approved brand and manufacture to give an even shade |
| 39 | Painting Work: |
| 40 | Cleaning for inspection & water washing for surface preparation :Area-Bottom plate, lower deck product side, roof shell and any othe r area for inspection) Cleaning of tanks by high pressure water jetting, blast cleaning using copper slag for inspection of the join ts & surfaces SA-2 Saurface sleaning and cleaning of all dirt, dust, residual sludge (if any), oil spillage with coir brush, brooms, scrapper, cotton waste, kerosene etc. including removing all refuse from inside of tank and bury them by excavating pits at place w ithin tank farm or nearby area, as directed by Engineer-in-charge and Production Department and complete in all respect with all lab our, tools, consumables, equipment, machinery, supervision etc. |
| 41 | Surface preparation:Cleaning with autmated blasting machine: (Area-Bottom plate & Roof plate-Flat part) Surface preparation,by abrasive blast cleaning using steel shots/grits and automated dust free blasting machine confirming to SA 2. 5, making the surface free of dust, grease, mill scales etc., final cleaning of surfaces by industrial vacuum cleaning using requir ed tools, tackles, consulambles, non-consumables, labour, equipment etc. to complete the job in all respects as per specification an d instructions of the Site Engineer / EIC. |
| 42 | Surface preparation: Area-Shell, leftover roof, Wind girders, bottom, sturctures & piping & walkways: Surface cleaning to Sa 2½ Swedish Specification by Grit / shot blasting (extra over St-2 / St-3 cleaning) by using abrasive material s of size range 16 to 30 (~0.6 to 1.2 mm) mesh like copper grit / shot etc. as per relevant standard & direction of Engineer-in-Char ge on steel surfaces like storage tanks, steel structures,plates and pipes to S.A. 2½ Swedish specifications in position at all hei ghts including final cleaning by industrial vacuum cleaning and all tools and plants, consumables, labour etc. complete in all respe ct as directed by Engineer-in-Charge but excluding cost of scaffolding which shall be paid separately. Air in the scope of contracto r (contractor will have to make his own arrangement for compressor etc. for arranging required air for blasting) |
| 43 | Paint Application Tank Internal Area: Bottom plate, bottom plate soil side, bottom sump, anode patch, roof leg Combined minimum DFT product side-475μ |
| 44 | P2: Aliphatic amine cured epoxy zinc phosphate primer to achive a minimum DFT of 75-125 microns (2 or more coats of 40-65 μ each ) |
| 45 | L1: Amine cured solvent free high build epoxy liner to achive a minimum DFT of 400 microns ( Two or more coats of 200-250 μ each). by A irless spray, by brush for stripe coat, carrying out MIBK test, adhesion test, recording DFT, 100% holiday test to detect any pinhol es etc. The painting area also includes small patch plate assembly (for anode installation). The bolt stem to be covered with tape s o that it does not get painted as it has to provide electrical connectivity between plate and anode. The total DFT (including primer ) shall be minimum 450µm. This item is inclusive of supply of all required paints, all equipments, manpower, consumables, tools, tac kles, consumables, non-consumables to complete the work in all respects as per specifications and instructions of the EIC/ Site Engi neer. |
| 46 | M1: HB Polymide cured coaltar epoxy primer to achive a minimum DFT of 200 microns (2 or more coats of 100 μ each) for coating soil side |
| 47 | Roof & shell including all associated appurtenances foam & sprinkler line, walkways : Combined minimum DFT-375μ |
| 48 | P1: Inorganic Zinc Silicate primer to achive a minimum DFT of 65-75 microns (one or more coat of 65-75 μ each). |
| 49 | P3: Application of sealer coat immediately after curing of zinc silicate primer : Glass flake pigmented polyamide cure epoxy to achive a minimum DFT of 25-30 microns. |
| 50 | P3: Glass flake pigmented amined cured epoxy to achive a minimum DFT of 250-microns ( One or more coats of 200- 250 μ each). |
| 51 | T1: Aliphatic Acrylic Polyester Polyurethane to achive a minimum DFT of 50-75 microns ( One or more coats of 50 - 75μ) |
| 52 | Galvanized steel painting Rate including st-2 hand tool cleaning: |
| 53 | P2: Aliphatic amine cured epoxy zinc phosphate primer to achive a minimum DFT of 50-60 microns |
| 54 | P3: Glass flake pigmented amined cured epoxy to achive a minimum DFT of 125-microns. |
| 55 | T1: Aliphatic Acrylic Polyester Polyurethane to achive a minimum DFT of 50-75 microns ( One or more coats of 50 - 75μ) |
| 56 | Stainless steel painting Rate including st-2 hand tool cleaning: |
| 57 | P2: Aliphatic amine cured epoxy zinc phosphate primer to achive a minimum DFT of 50-60 microns |
| 58 | T1: Aliphatic Acrylic Polyester Polyurethane to achive a minimum DFT of 50-75 microns ( One or more coats of 50 - 75μ) |
| 59 | Roof deck internal rate including hand tool cleaning: |
| 60 | P3: Glass flake pigmented amined cured epoxy to achive a minimum DFT of 100-microns. |
| 61 | Tank internal shell near secandory wind girder special coating: Cleaning exposed steel surfaces of piping, equipment and valves etc. by abrasive blasting or with power wire brush (wherever sand bl ast cleaning is not possible) free of dust, grease, mill scales etc. and applying single layer polyurethane coating(PU) using 100% s olvent free elastomeric plyurethane/ liquid epoxy, with approved materials like belzona 5811 etc or its equivalent, labour, equipmen t etc. and completing the job in all respects as per specification and instructions of the Site Engineer / EIC. total DFT-500 micr ons( One or more coats of 250 - 300μ) |
| 62 | SERVICE |
| 63 | Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of t he Engineer-in-Charge. [Notes: (1) Dismantling shall be allowed during day shift only & prior permission for the same shall be obtai ned. (2) Providing of necessary covers/ barricades around the work area shall be done prior to dismantling operations.] Nominal conc rete 1:3:6 or richer mix (including equivalent design mix) |
| 64 | Demolishing stone rubble masonry manually/by mechanical means including stacking of serviceable material and disposal of unserviceab le material within 50metres lead as per direction of Engineer-in-charge: |
| 65 | Demolishing brick work in cement mortar manually or by mechanical means including stacking of serviceable material and disposal of u nserviceable material within 50 metres lead as per the directions of Engineer-in-Charge. [Notes: (1) Dismantling shall be allowed du ring day shift only & prior permission for the same shall be obtained. (2) Providing of necessary covers/ barricades around the work area shall be done prior to dismantling operations] |
| 66 | Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per the directions of Engineer-in-Charge. [Notes: (1) Dismantling shall be allowed during day shift only & prior permission for the same shall be obtained. (2) Providing of necessary covers/ barricades around the work area shall be done prior to dismantling operations. (3) Cutting of all reinforcement shall be done using hack saw or chiesel or any other method as approved by the Engineer-in-Charge] |
| 67 | Extra for cutting reinforcement bars manually/ by mechanical means in R.C.C. or R.B. work as per direction of the Engineer-in-Charge . [Notes: (1) Cutting of all reinforcement shall be done using hack saw or chiesel or any other method as approved by the Engineer-i n-Charge. (2) Payment shall be made on the cross sectional area of R.C.C. or R.B. work] |
| 68 | Earth work in excavation by mechanical means (Hydraulic excavator)/ manual means over areas including dressing of sides and ramming of bottoms including getting out the excavated soil and disposal of surplus excavated soil, all works up to any lead and lift, as di rected by the Engineer-in-Charge |
| 69 | Random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coar se sand : 12 graded stone aggregate 20 mm nominal size) up to plinth level with: Cement mortar 1:6 (1 cement : 6 coarse sand). |
| 70 | Arrangement & Installation of air driven flame proof eductor fan(s) for ventilation for gas freeing the tank/pontoon during pontoon painting work, as per instructions of EIC/ Site Engineer along with all required tools, tackles, manpower, consumables, non-consumab les etc. Suitable documents for the eductor fan indicating that the same is flame proof shall be submitted to the EIC for its approv al prior to using it at the site. Double earthing of all the equipments like motors, eductor fan etc. shall be done. Degasification shall be done inline with API RP 2016. |
| 71 | Shell scanning:- Tank surface scanning of shell near PWG/SWG weld areas covering 200mm width using the floor scanners based on Magne tic flux leakage (MFL)/ Low Frequency Electromagnetic Technique (LFET) inclusive of all skilled/ unskilled labours, tools, tackles, consumables and submission of detailed report of individual plates in two nos. of hard copies as well as in soft copies with softwar e(s) (if any) in pen drives/DVDs, the reports shall be approved by ASNT level-II inspector. |
| 72 | Tank Inspection as per API: Carrying out various inspection tests to determine the general condition of tank (79m dia x 14.4m ht.) from corrosion and integrity point of view such as Visual Inspection, Bottom & annular plate scanning using the scanners based on MFL (Magnetic Flux Leakage)/ LFET (Low Frequency Electromagnetic Technique), Remote Controlled shell thickness survey, manual UT measurement, bottom & shell settlement measurement, roundness/ovality and plumbness measurement of tank as detailed in technical spe cification inclusive of all skilled/ unskilled manpower, tools, tackles, consumables and submission of detailed report of in hard co piesas well as in soft copy with software (if any). All the findings & recommendation with proper diagram/layout shall be provided i n report. An API tank inspector shall visit the site at least once during or after inspection & certify the report. |
| 73 | Preparation and submission of design, drawings and specifications for welded storage tanks with double deck type floating roof stor age tanks including carrying out modifications / incorporation of details as required by the owner, preparation and submission of de tailed construction drawing including plate cutting details, bottom plate, shell plate, floating roof, structural, sealing devices, all appurtenances, accessories, safety devices, roof drains, nozzle connections etc. preparation and submission of design and detail drawing for the impressed current cable anode system for protection of tank bottom and for the overall earthing scheme for the tank s, preparation and submission of bill of materials complete in all respect in accordance with the contract. Tank Dai-79m and height- 14.45M |
| 74 | The job includes vacuum / pneumatic testing/Oil chalk test of the tank bottom / roof surface to identify leaks including all connect ed jobs of blinding, de-blinding etc. and all tools, tackles, consumable, labour, supervision and supply of Air Compressor and compl ete the job in all respect as per the direction of the Engineer-in-Charge. |
| 75 | Performance of dye penetration test including supply of all necessary materials, penetrant, developer etc. along with all equipment’ s, labour, for carrying out the work as per specification and direction of Engineer-in-Charge at all elevations. Test has to be carr ied out in all metallurgy. |
| 76 | Performance of radiographic inspection on all type and sizing of piping / pipe fittings in position at all heights inclusive of prov iding sources, film, chemicals, and all necessary equipment, consumables etc. complete in all respect as per specification and instr uction of the Engineer-in-Charge. |
| 77 | Heat treatment of shop fabricated for already installed piping / static equipment etc. for joints or other operations wherever requ ired. Heating to be carried out in a furnace or by using an electric resistance or induction heating equipment ensuring uniform temp erature attainment at all points of the portion being heat-treated. The portion under heat treatment shall be wrapped suitably under insulation to avoid any harmful temperature gradient. The temperature thus attained in the portion under heat treatment shall be recorded by means of thermocouples, pyrometer and an auto matic temperature recorder suitably calibrated should be employed. The calibration chart of each recorder along with hardness test r esults shall be submitted to the Engineer-in-Charge for approval. The details of heat treatment such as heating rate, soaking temperature, pause period and cooling rate etc. to be carried out as per relevant standards / code as instructed by the Engineer-in-Charge. |
| 78 | Submission of Tank M&I Reports and Drawings:- Submission of tank M&I reports indicating as-built dimensional drawings, bottom/ roof/ shell plate repairs (i.e. position patch repair & plate's replacement), their dimensions, maintenance carried out in the tank, deta iled earth pit drawings along with tank M&I reports of repair and maintenance as per the directions of EIC/ Site Engineer. Details o f desludging works, foam pourer and sprinkler system, it’s as-built drawings, their bill of materials indicating pipe, flanges, fitt ings, fasteners etc. used, tank painting details indicating brand & type of paints used, flexible roof drain make, details & dimensi ons, any other repair & maintenance works shall be incorporated in report submitted by contractor. Contractor shall submit 2 hard co pies and 2 soft copies of all the drawings and tank M&I reports to the EIC within 21 days of the completion of M&I works. |
| 79 | The job includes supply of all scaffolding materials, transportation to worksite, erection of scaffolding at site as per ISMS (Indi an Oil Safety Management System) Standard - 1007 on Scaffold Safety with safe stand and reliable design. Scaffolding design should c onsider the worst load combination expected during its service period. The supporting structure should be sufficient in strength, st ability, and rigidity; The safety of personnel associated with the erection, alteration, and dismantling of the scaffold; the safety of persons using the scaffold; and the safety of persons in the vicinity of the scaffold to be considered mandatorily. Standard Tag s for \\"Fit for Use\\" in Green Color and \\"Not Fit for Use\\" in Red Color to be fitted on scaffolding as per ISMS Standard -1007. Note: For measurement in SQM: 2(length + width) X height area covered by the scaffolding is to be taken. Scaffolding measurement to be done by breaking the height into parts as per height slab mentioned below and adopting respective rate s against mentioned height slabs. |
| 80 | Upto 6m height |
| 81 | Above 6m up to 10m height |
| 82 | Above 10m up to 20m height |
| 83 | Volumetric (For gauge well piping work.) (For volumetric scaffolding beyond 10Mtr. Elevation above or below ground level, rates are to be escalated by 10% for every 10 meter s.) |
| 84 | Dehumidification of tank internals during surface preparation, priming and painting works:- Dehumidification of tank internals durin g (a) blasting surface preparation; (b) priming, and; (c) painting to maintain conditions as per technical specifications. Uninterru pted dehumidification conditions shall be maintained till the bottom and internal surface preparation, priming & painting activities are over; as per EIC's instructions. Supply of dehumidifiers, condensers and all equipments with required manpower, tools, tackles, consumables, non-consumables etc. to maintain the minimum required conditions during surface preparation, priming & painting activi ties shall be in the scope of contractor. |
| 85 | Reconditioning of tank body valve 24\\"-150 # (Make - VALVO / NEWAY etc. )(Note: The work includes removing valve from the line with h ydra Transportation including loading and unloading of valve from IOCL-Viramgam to your workshop for repairs, dismantling of valve a nd cleaning of valve parts with approved cleaning agent, taking assessment of defects in the valve, taking measurement of valve gate /ball/plug thickness. Repair of valve gateincluding dechrome plating, removing damaged portion by machining, metal deposition, final machining, surface grinding and lapping on both sides followed by hardchrome plating on both side and thereafter ensuring dimension s matching to the original measurement and tolerance of the components Repairing of floating seat- 2 nos. by re-metalizing, grinding and lapping in scratched area. Providing new glass-filled teflon seat in required characteristics, replacement of feedback springPr oviding new stem seals, gland packing etc. Straightening and hard-chrome plating of valve shaft, replacement of rubber components li ke Bonnet \\"O\\" Ring etc. Providing new bonnet gasket, bottom flange gasket MOC: Spiral WoundAssembly of valveSeat & Hydro test as per API 6D standard shall be carried out at your workshop in presence of IOCL representative. Coloring with epoxy paint, transportation including loading and unloading of repaired valve from workshop to IOCL Viramgam, re-installation of repaired valve on the line wit h hydra. |
| 86 | Calibration of the tank as per IS-2007 and IS-2008, preparing the calibration sheets on standard forms showing strapping details, c alculation details and other relevant details including bottom calibration after taking measurement of deadwood etc. and certified b y CPWD or Weights and Measures Department or any other equivalent government authority with all labour, tools & tackles, consumables , instruments (duly calibrated) and delivery of calibration charts to the Engineer-in-Charge. Requirement of scaffolding to be envisaged and decided by Engineer-in-Charge as per site requirement and scaffolding item to be arra nged / paid separately. |
| 87 | Disposal of moorum / building rubbish / malba / similar unserviceable, dismantled or waste material by mechanical transport, includ ing loading, transporting, and unloading at the scrapyard or owner-approved area within the premises for lead up to 10 km for all li fts, complete as per the directions of the Engineer-in-Charge. (The rates will be applicable to net quantities after deduction of 20 percent for voids). |
| 88 | SUPPLY |
| 89 | Supply & delivery of following materials along with required testing/ inspection as per applicable standards & technicial specificat ions indicated in the tender documents and submission of testing/ inspection documents to EIC for acceptance. |
| 90 | Pipes: seamless carbon steel Gr. B hot finished pipe as per ASTM A 106 |
| 91 | NPS 1 [DN 25] Sch 80 [wall thk 4.55mm] (TRV line) |
| 92 | NPS 3 [DN 80] Sch 80 [wall thk 7.62mm] (Sprinkler rings) |
| 93 | NPS 6 [DN 150] Sch 80 [wall thk 10.97mm] |
| 94 | NPS 8 [DN 200] Sch 80[wall thk 12.70mm] |
| 95 | NPS 4 [DN 100] Sch 40 [wall thk 6.02mm] (Dip Hatch )item to be supply by contractor in roof fabrication item |
| 96 | NPS 6 [DN 150] Sch 40 [wall thk 7.11mm] (Roof Drain )item to be supply by contractor in roof fabrication item |
| 97 | NPS 8 [DN 200] Sch 40[wall thk 8.18mm] (Dip Hatch)item to be supply by contractor in roof fabrication item |
| 98 | Valves |
| 99 | NPS 1 diameter Gate Valve API 600/603 (TRV Line) |
| 100 | NPS 1 dia 150# F/F BS 1868 Swing Check valve (TRV Line) |
| 101 | NPS 1 Ball valves 150# (ISO 17292) (Foam line draining) |
| 102 | NPS 6 dia 150# F/F CS Gate valves as per API 600 (Water d/o, foam header) |
| 103 | NPS 6 dia 150# Dual Plate Check Valve as per API 594 (roof sumps) |
| 104 | NPS 8\\" dia 150# F/F BS 1868 Swing check valve |
| 105 | NPS 8 dia ANSI 150# F/F CS Gate valves as per API 600 (Product drawoff & F/F line) |
| 106 | Pipe fittings Conforming ASTM A 105 / A 352 Gr. LF2 / A 216 Gr. WCB / A 234 WPB and dimensions as per ASME B16.9 / ASME B16.5 |
| 107 | FLANGE WNRF, NPS 1, Class 150 |
| 108 | FLANGE WNRF,NPS 2, Class 150 |
| 109 | FLANGE WNRF,NPS 3, Class 150 |
| 110 | FLANGE WNRF,NPS 6, Class 150 |
| 111 | FLANGE WNRF,NPS 8, Class 150 |
| 112 | FLANGE BLRF,NPS 3, Class 150 |
| 113 | FLANGE BLRF,NPS 6, Class 150 |
| 114 | FLANGE BLRF,NPS 8, Class 150 |
| 115 | ELBOW, 45 DEG, NPS 3 Schedule 80 |
| 116 | ELBOW, 45 DEG, NPS 6 Schedule 80 |
| 117 | ELBOW, 45 DEG, NPS 8 Schedule 80 |
| 118 | ELBOW, 90 DEG, NPS 6 Schedule 80 |
| 119 | ELBOW, 90 DEG, NPS 8 Schedule 80 |
| 120 | Concentric reducer, 8\\" x 6\\", Sch 80 |
| 121 | Concentric reducer, 6\\" x 3\\", Sch 80 |
| 122 | Concentric reducer, 3\\" x 2\\", Sch 80 |
| 123 | TEE, Straight, NPS 6, Sch 80 |
| 124 | TEE, Straight, NPS 6, Sch 40 |
| 125 | TEE, Straight, NPS 8, Sch 80 |
| 126 | HALF COUPLING, NPS 1/2, Class 3000; CS (Sprinkler line) |
| 127 | Clamp MS |
| 128 | 3\\" & 6\\" MS U Clamp |
| 129 | Spiral Wound Metallic Gaskets (SWMG) |
| 130 | NPS 24 (I/O & surge relief line) |
| 131 | NPS 8\\" |
| 132 | NPS 6 (Roof Drain) |
| 133 | ASBESTOS FREE(AF) FIBRE JOINTING SHEETS - AF159-Oil/ AF110-water and their equivalents as per intended application |
| 134 | 24\\"-150# |
| 135 | 30\\"-150# |
| 136 | 48\\"X38\\"-150# for Flush Type Clean out Door |
| 137 | 8\\" - 150# |
| 138 | 6\\" - 150# |
| 139 | 3\\" - 150# |
| 140 | 2\\" - 150# |
| 141 | 1\\" - 150# |
| 142 | Neoprene gasket 815mmø x 20mmthk |
| 143 | Steel Fasteners (Studs / bolts conforming ASTM A 193 B7 with two nuts conforming ASTM A 194 Gr. 2H, both heavy hex pattern along wit h two round washer) Teflon Coated |
| 144 | 5/8\\" dia x 4.00\\" long (3\\"-150#) |
| 145 | 3/4\\" dia x 5\\" long (6\\"-150#) & (8\\"-150#) |
| 146 | 3/4\\" dia. X 7\\" long (150#) Stud Teflon Coted with 4 Nuts & 2 washer |
| 147 | 3/4\\" X 7\\" long Stud Teflon Coted with Lock Nut |
| 148 | Steel Fasteners (Studs / bolts conforming ASTM A 193 B7 with two nuts conforming ASTM A 194 Gr. 2H, both heavy hex pattern along wit h two round washer) |
| 149 | 3/4\\" dia x 5\\" long (6\\"-150#) & (8\\"-150#) |
| 150 | 5/8\\" dia x4\\" long (3\\"-150 #) |
| 151 | 1/2\\" dia x 3\\" long (1\\"-150 #) |
| 152 | 1\\" UNC x 8\\" long to suit 24\\" shell manholes (M22 dia) |
| 153 | 1.25\\" Diameter X 10\\" long to suit 30\\" nozzle |
| 154 | 1.5\\" Diameter X 11.75\\" long to suit stirrers and inlet nozzle |
| 155 | M25 x 6\\" long to suit clean out doors |
| 156 | Other components of piping |
| 157 | 8\\" Y-type CS strainers suitable for fire-water service. For Firewater line |
| 158 | Foam maker - Seamless SS 316L (Capacity 200 LPM) |
| 159 | Male instantaneous coupling conforming to IS:903 threaded with Non Return Valve suitable for foam pourer inlet connection (Size 63mm ). Material of coupling, spring & nut shall be SS 316. Male coupling fitted with SS 316 flange. |
| 160 | 1\\" 3000LB half coupling for fixing drain valve of foam line & Fire water line |
| 161 | 1/2\\" 000LB half coupling for sprinkler |
| 162 | Sprinkler nozles 1/2\\" SS 316/316L with K factor based on design requirement and as approved by EIC |
| 163 | Miscellaneous |
| 164 | Sacrificial (Aluminium-Indium-Zinc Alloy) Anodes for Cathodic Protection (CP) of Tank Bottom (product side) |
| 165 | Water for Hydrotesting (For Initial roof lifting after DDFR conversion & final hydrotest): - Supply of potable water for initial roo f lifting & for final hydro-test of tank with transporation of the same to fire water pond or directly to tank under M&I as directed by EIC/ Site Engineer including supply of material, consumables, manpower, tools, tackles etc. complete on round the clock basis th rough tankers etc. as per the advice of EIC/ Site Engineer. Water shall be timely arranged by the contractor before the start of roo f lifting/hydrotesting of tank to avoid any delay in hydrotesting & thereafter commissioning of tank. Please Enable Macros to View BoQ information |
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