Indian Oil Corporation Limited-IOCL has published Conversion Of External Floating Roof Tank To Internal Floating Roof Tank And Internal Cleaning , Inspection , Repair And Painting Of Transmix Tank ( Nominal Capacity Of 500 Kl , 9 M Dia . And 10 M Height ) At Prrpl Raipur - Gr . A. Submission Date for this Tender is 13-05-2020. Oil Tank Tenders in Raipur Chhattisgarh. Bidders can get complete Tender details and download the document.
| Name of Work: Conversion of External floating roof tank to internal floating roof tank and Internal cleaning, inspection, repair and painting of transmix tank (nominal capacity of 500 Kl, 9 m dia. and 10 m height) at PRRPL Raipur - Gr. A NOTE: 1. Please enable macros before filling the rates to see the quoted figures in words. 2. The bidder shall quote firm prices “Excess(+)/ At Par/ Less(-)” against the rates mentioned in the price schedule provided in BoQ1 sheet as per instructions provided herein after taking into account all the tender terms and conditions and scope of work. In case rates are quoted to more than 2 decimal places then, the amount quoted towards the tender shall be worked out for the rates quoted to first 2 decimal points without rounding off. 3. Only "Bidder Name", "Excess (+) or "At Par" or Less (-)" & "Percentage" are to be filled by the bidder in the designated "Sky Blue cells". For "At Par" selection, the percentage quoted shall be treated as 0.00 and quoted amount at par with estimate. 4. "Excess (+)" or "At Par" or "Less (-)" can be selected from the dropdown menu by clicking on the cell. 5. No changes shall be made by the bidder to S.No., Unit, Quantity. 6. In case of any difference in item description/unit/quantity in BOQ, then the item description/quantity/unit given in the tender document shall prevail. 7.The rates quoted by the tenderer shall include all cost towards equipment, labour & laboratory back-up, logistics, transport, spares, tools, tackles, consumables, etc., travel and stay arrangements and other incidentals including supply of materials as may be necessary for rendering the services as per detailed specifications. 8. Goods and Services tax as per GST Act 2017 for concerned services has been added to the base price of below mentioned services. If the bidder wishes to quote some other Goods and Services tax rate other than mentioned in the price schedule provided in BoQ1 sheet, they may quote the same in "Annexure H". Statutory variation on Goods and Services Tax as applicable for the category/service shall be to Owner’s account up to the contractual completion period. Reverse charges mechanism on Goods and Services tax amount shall be applicable as per Govt. rules. 9. Bidders are advised strictly not to alter or change the BOQ format/ contents. Bidders are also advised not to paste any image file or put any additional conditions in the BOQ work sheet. 10. Rates of items under Schedule-I are fixed by IOCL except as specifically stated in SCC, i.e. arrear payment toward revision in minimum wages Abbreviations: Unit ‘MT’ stands for ‘Metric Ton', 'LS' stands for 'Lump Sum', 'SQM' stands for Square Meter, 'KL' stands for Kilo Leter, EA stands for Each, CUM stands for Cubic Meter, M stands for Meter | |||||
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| Sl. No. | Item Description | Item Code / Make | Quantity | Units | |
| 1 | 10 | Design, fabrication, supply of Aluminium Dome Roof including Transportation to site, materials Handling as per Technical specifications, drawings, scope of work. Dome roof should be suitable to existing tank of 500 KL capacity, size of existing tank is 9 m dia and 10 m height. Design of Aluminium Dome Roof suitable to existing MS transmix tank for which IOCL will provide Tank construction drawings. This Aluminium Dome to be installed after Tank M&I over existing external floating roof to convert tank to Internal floating roof type from external floating roof type. | 1 | LS | |
| 2 | 20 | Installation, erection & commissioning of Aluminium dome in the tank (dia 9m) over the existing external floating roof as per detailed scope of work. The scope of work includes errection of the structural components (structural frame and roof panels) of the dome after the completion of M&I works of the tank. The Aluminium dome shall be erected for the tank with the contractor supplied structural components (structural frame and roof panels) of the dome. The vender shall furnish all labor, materials and equipment required for successful erection of aluminium dome structure. The work scope includes the supply of sealant, gasket material, bolts, fasteners, etc by the contractor as per API 650 Appendix-G for "Structurally-Supported Aluminum Dome Roof". All aspects of the work shall meet the minimum requirements of API 650 Appendix-G and as additionally specified in the technical specification for Aluminium dome. Supply of all materials, consumables, labor, equipment, machinery, crane for erection, tools and tackles, to complete the work in all respects as per specifications, standards, codes, and instructions from Engineer-In-Charge shall be in the scope of the contractor. After completion of all commissioning jobs, test of all instruments, training and handover of system to IOCL is also included in scope of contract. | 1 | LS | |
| 3 | 30 | Opening of roof manholes | 2 | EA | |
| 4 | 40 | Dismantling, transportation and storing of primary and secondary seal along with weather sheet plates and related material in the owner's store yard or location designated by EIC. | 30 | M | |
| 5 | 50 | Barricading for height upto 10 m around the tank by GI corrugated sheet and supported by structural steel for carrying out hot work in the tank location. | 190 | SQM | |
| 6 | 60 | Installation of temporary flame proof eductor in shell manholes and roof manholes (dia 30 inch) and operating it for ventilation and gas freeing of the tank as per the directions of EIC. | 3 | EA | |
| 7 | 70 | Blinding for isolating the tank and de-blinding after the completion of M&I works of tank inlet/ outlet/surge line. Scope of work includes blinding the inlet/outlet/surge (6", 6", 12" dia.) line with contractor supplied BLRF, gaskets, etc. along with the retrieval of residual product between tank body valve and flange joint. After the completion of M&I works, the inlet/outlet header line is to be connected to the tank (part of Boxing up of the tank under separate SOR item) as per the directions of EIC. | 1 | LS | |
| 8 | 80 | Desludging- Measurement of sludge quantity in line with tender specifications and instructions of EIC. Removal of sludge admixed with water as per technical specifications and instructions of EIC / Site Engineer. Cleaning of tank / sludge disposal through a combination of mechanical / manual processes including making necessary arrangements using contractor supplied flame proof pump and associated piping system. Taking all safety precautions and degasification of the tank to make it 100 % gas free including supply of all equipments, manpower, tools, tackles, consumables, non-consumables, PPEs, fire and safety appliances, breathing apparatus etc., to complete the job in all respects as per the direction of EIC/ Site Engineer and tender specifications. Calibrated explosive meter should be brought by the contractor to continuously monitor the LEL & oxygen level inside the tank. Double earthing of all the equipments like pump, sludge tank, exhaust/ eductor fan, truck mounted tank etc. shall be done. The work shall entail the complete evacuation of sludge & water mix present in the tank and making arrangement for its storage by supplying properly sized closed container as per the instructions of EIC/site engineer. The evacuated sludge may be thereafter transported to another location for processing (separate SOR item for sludge transportation). | 40 | KL | |
| 9 | 90 | Thorough scraping of the inside of the tank including tank bottom, roof leg supports and shell internals and appurtenances etc. alongwith the supply of tools, tackles, labor, etc., to complete the work in all respects and make the tank safe to carry out hot works as per direction of site engineer/EIC. | 100 | SQM | |
| 10 | 100 | Thorough scraping of the inside of the tank lower deck, alongwith the supply of tools, tackles, labor, etc., to complete the work in all respects and make the tank safe to carry out hot works as per direction of site engineer/EIC. | 70 | SQM | |
| 11 | 110 | Testing of weld joints: Cleaning & buffing of weld joints for testing of the newly fabricated joints on the tank top/ bottom deck surface by oil-chalk test/ DP test/ vacuum box test by soap solution under 3PSI vacuum for leak proofness, including supply of all manpower,tools, tackles, equipments, consumables etc. to complete the work as per API 650 and instructions of EIC/ Site Engineer. | |||
| 12 | 120 | Oil Chalk Test | 50 | M | |
| 13 | 130 | Dye pentrant Test | 100 | M | |
| 14 | 140 | Vacuum Box test | 100 | M | |
| 15 | 150 | Erection of double steel scaffolding for working and painting at heights in line with all safety guidelines indicated in tender and instructions of Engineer-in-Charge/Site-Engineer. Supply of all tools, tackles, materials, consumables, labours and erection works shall be in the scope of contractor. | 475 | SQM | |
| 16 | 160 | Dehumidification of tank internal during blasting and painting to maintain conditions as per specifications indicated in tender as <55% humidity and temperature between 25-35 degree C along with supply of dehumidifier, blowers & condensers. Uninterrupted dehumidification conditions shall be maintained till the bottom painting activities are over. Supply of dehumidifiers, condensers and all equipments to maintain required conditions during painting activities shall be in the scope of contractor. (tank dia- 9 m; leg support height approx 2 m) | 1 | LS | |
| 17 | 170 | Scanning and inspection of the surface of bottom plates by floor scanners based on Low Frequency Electromagnetic Technique (LFET) and submission of detailed report of bottom plates as per the instructions of Engineer-in-Charge. | 65 | SQM | |
| 18 | 180 | Calibration of the tank by Survey method including all liaison work with the competent authority for approving the calibration charts, preparation of the charts and payment of fees to the competent authority for approval and submission of the charts in hard copy as well as soft copy. | 1 | LS | |
| 19 | 190 | Dismantling & Retrieval of 2 Nos. Dip Hach, 1 Nos. Level Transmitter, 1 No. Level switch & any other items over floating roof and hand over to IOCL for safe custody. Modification of all instruments mounting arrangements by increasing height of mounting pipe structures so as to extend these instruments above Aluminium dome which will be newly installed. The required pipes & flanges of all sizes for increasing height of instruments will be supplied by IOCL. After the modification of these instruments mounting, all instruments will be fitted back in the system. All asociated cables & earthing, cable glands etc. will also be provided by IOCL as per requirement. Suitable foam line modification and cooling water line modification to be done so that height of both lines is increased up to Aluminium Dome and extended back to floating roof from inside AL Dome so that both cooling & foam lines are extended up to AL dome top, from there as well as to top of inside floating roof. All required pipes and pipe fittings will be provided by IOCL. | 1 | LS | |
| 20 | 200 | Strengthening of tank bottom & roof weld joints, annular plate, sketch plates, shell to bottom plate joint, primary wind girder, secondary wind girder joints by depositing additional weld beads (one run with 4 mm AWS 7018) wherever required to restore the joints to the required fillet size of 8 mm including supply of all labour, equipments, consumables, etc., required to complete the job in all respects as per the instructions of Site Engineer / EIC. | 50 | M | |
| 21 | 210 | Fire water line, foam line, and sprinkler ring surface preparation : Surface preparation using hand tool cleaning including removal of oil, grease and other contaminants by solvent cleaning followed by removal of defective paint, loose millscale, loose rust, loose paint, weld flux, slag from the metallic surfaces, by hand chipping, hand brushing, hand scrappers / chisels,steel wools, final cleaning with high pressure ( 10000 PSI ) low TDS fresh soft water jet cleaning and drying with compressed air as per thespecifications and directions of Site Engineer. Prepared surface shall conform to WJ-4 /ST-2as per NACE no.5/SSPC SP-12 standards. | 25 | SQM | |
| 22 | 220 | Fire water line, foam line, and sprinkler ring painting: Supply application of High build, self priming, rust encapsulating polyamido amine cured epoxy mastic coating (80%min.solid by vol.) with 100 microns DFT (min) by sprayapplication.Second Coat: One coat of Epoxy MIO (80% min. solid by vol.)with 100 microns DFT (min) by spray application Third and FourthCoat: Recoatable acrylic isocyanate aliphatic Polyurethane coat (50%min. solid by vol.) with each coat 50 microns DFT (min) by sprayapplication (Gloss retention minimum 80 % under 1000 hours of QUV lamp).Colour of paint shall be aluminium for tank shell and apputenances. The scope of work includes supply and application of paints, supply of all equipments, tools & tackles, labour etc as per tender specifications anddirections / instructions of Site Engineer/ E-I-C. Stripe coat to beapplied on all weld joints/ projections before application of above painting. (Color code: Yellow for foam line- approx 30 sqm area. Red for fire water line & sprinkler ring-approx. 50 sqm area) | 25 | SQM | |
| 23 | 230 | Surface preparation by dry abrasive blasting (conforming to SA 2 1/2 surface finish- sand is not allowed as abrasive). The blasted surface shall have surface profile of 50-70 microns. Supply of all equipments, tools & tackles, consumables, labour, etc. to complete the work to all respects shall be in scope of contractor. Area of work: Tank bottom, Roof- foam dam and foam dam area, roof appurtenances, rolling ladder, track, etc, , inside shell, outside shell, roof drain pipe, water draw off pipes, staircase, primary, secondary wind girders, cooling ring supports, and other structures attached to shell, roof, bottom plate as per requirement and as directed by EIC/Site-Engineer. | 700 | SQM | |
| 24 | 240 | Tank roof & external shell painting: Supply application of High build, self priming, rust encapsulating polyamido amine cured epoxy mastic coating (80%min.solid by vol.) with 100 microns DFT (min) by sprayapplication.Second Coat: One coat of Epoxy MIO (80% min. solid by vol.)with 100 microns DFT (min) by spray application Third and FourthCoat: Recoatable acrylic isocyanate aliphatic Polyurethane coat (50%min. solid by vol.) with each coat 50 microns DFT (min) by sprayapplication (Gloss retention minimum 80 % under 1000 hours of QUV lamp).Colour of paint shall be aluminium for tank shell and apputenances. The scope of work includes supply and application of paints, supply of all equipments, tools & tackles, labour etc as per tender specifications anddirections / instructions of Site Engineer/ E-I-C. Stripe coat to beapplied on all weld joints/ projections before application of above painting. (The area includes external shell, primary & secondary wind girders, shell appurtenances, floating roof, roof appurtenances, foam dam area, supports, etc. | 500 | SQM | |
| 25 | 250 | Supply and application of one coat of high build / normal epoxy zinc phosphate primer or ZINC Ethyl silicte primer to a DFT of minimum 75 microns followed by two coats of high build solvent free epoxy phenolic paint to a DFT of minimum 200microns per coat or single coat of 400 microns by Airless spray, by brush for stripe coat, carrying out MIBK test, holiday test to detect any pinholes , The total DFT shall be minimum 475 microns, inclusive of labour, tools & tackles to complete the work in all respects as per specification and instructions of the site engineer / EIC. (area of painting-tank bottom & tank internals) | 200 | SQM | |
| 26 | 260 | Surface preaparation of stairway, gauging platform, rolling ladder: Surface preparation using hand tool cleaning including removal of oil, grease and other contaminants by solvent cleaning followed by removal of defective paint, loose millscale, loose rust, loose paint, weld flux, slag from the metallic surfaces, by hand chipping, hand brushing, hand scrappers / chisels,steel wools, final cleaning with high pressure ( 10000 PSI ) low TDS fresh soft water jet cleaning and drying with compressed air as per thespecifications and directions of Site Engineer. Prepared surface shall conform to WJ-4 /ST-2as per NACE no.5/SSPC SP-12 standards. [Area- straiways, roof rolling ladder, ladder track, railing on primary wind girder, etc] (tank dia-9m, height 10m) | 1 | LS | |
| 27 | 270 | Painting of stairway, gauging platform, rolling ladder: Painting with One coat of epoxy zinc phosphate primer (60%volume solid) to a dry film thickness of minimum 50 microns, two coats of high build coal tar epoxy with minimum 50 microns DFT each by supply of all equipments, tools and tackles, labour etc as per specifications of manufacturer and direction of EIC. including necessary labours, tools, as per directionof EIC. [Area- straiways, roof rolling ladder, ladder track, railing on primary wind girder, etc] (tank dia-9m, height 10m) | 1 | LS | |
| 28 | 280 | Supply & Installation of Neoprene seal (2.5mm thick X 1250mm width X255000mm length or as per existing dimensions of fitted primary seal) along with octagonal PU Block (018 Grade, 300 x 300 x2000, with 18Kg/Cu.M density confirming to ASTM 1564), including thesupply of stainless steel fastners, etc. as per attached drawing &specifications; labours, tools & tackles completing the work in allrespects as per direction of EIC/ Site Engineer. Tank size is 9 m dia and 10 m height. Party to cross check dimensions of existing neoprene seal before procurement of new one. | 30 | M | |
| 29 | 290 | Supply and installation of secondary seal (continuous membrane),including of supply of SS fastners, SS weather plates, Al-channels etc.,labours, tools & tackles completing the work in all respects as pedirections of EIC/ Site Engineer. (Refer SCC for material specifications/drawing. The item also includes required modifications, such as fixing of channels/ anglesetc., for installation of secondary seal as per site conditions). | 30 | M | |
| 30 | 300 | Boxing up of the tank including supply and fitment of gaskets (as per API 601) between all flange connections, tightening as per direction of site engineer/EIC. Fitment of nuts/studs/bolts of all roof and shell manholes, water drain, Inlet / Outlet nozzles, all body & manifold valves, sprinkler line, foamline etc. as per the instructions of EIC. Supply of Gaskets, bolts is in the scope of contractor. | 1 | LS | |
| 31 | 310 | Making temporary arrangements by supplying pipe, flange joints, nuts/bolts, gaskets, NRV etc. for water filling in tank, complete hydrotesting upto maximum level for tank height of 9 m, attending leakages through flange joints if any, adjustment of floating roof supports to operational height, draining out of water after hydrotesting etc. as per direction of site engineer (Supply of water shall be in the scope of the contractor) | 1 | LS | |
| 32 | 320 | Painting of tank number & other identifications on the tank shell: Painting of tank number, capacity, service, date of calibration, next due, date of M&I ,next due, Date of painting, next due, shell nozzles, numbering of foam pourer, spray nozzle designation, earthing nos., owner's name (Indian Oil) with 3 monograms painted on the tank shell at 120 degrees to each other, asper instructions of EIC/ Site Engineer. | 1 | LS | |
| 33 | 330 | Dismantling of existing 3" roof drain hose pipe, trasnporting it to safe location store yard as per IOCL. Supply, installation & fitting of flexible hose drain pipe with MS oil resistant rubberised hose pipe with SS 304, 150 series flanges at both ends including supply of bolts/fastners at both ends of hose pipe. Hose pipe length 8 m, dia-3" and flanges at both ends are 3" 150 series pressure rating. | 1 | LS | |
| 34 | 340 | Supply, fabrication, welding, errection of structural steel of channels, angles, plates or any other type structural steel for any repair job in tank roof,sheel, bottom. | 2 | MT |
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