Indian Oil Corporation Limited-IOCL has published Conversion Of Existing Column Supported Cone Roof Tank No2 16M Dia , 10 35 M Height To Internal Floating Roof Ifr With Necessary Modifications Of Cone Roof Tank At Malda Depot , West Bengal. Submission Date for this Tender is 04-02-2021. Water Tank Tenders in Malda Depot, PO Nageswarpur, DistMaLDA West Bengal West Bengal. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 03-Feb-2021 | PRE BID MEETING SUMMARY | Other | 04-02-2021 |
| Name of Work: CONVERSION OF EXISTING COLUMN CONE ROOF TANK NO:2 ( 16.0M DIA X 10.35 M HEIGHT) TO INTERNAL FLOATING ROOF (IFR) TANK BY INSTALLATION OF ALUMINIUM HYBRID NON CANTACT INTERNAL FLOATING ROOF, AND CARRYING OUT NECESSARY MODIFICATIONS OF CONE ROOF TANK AT MALDA DEPOT | |||||
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| Sl. No. | Item Description | Item Code / Make | Qty | Units | |
| 1 | 1 | Supply of following Slip On flanges (Weld neck type- WNRF) conforming to ASTM A- 105 Class 150; ANSI B 16.9 | ITEM CODE 1 | ||
| 2 | 2 | 150 mm dia | ITEM CODE 2 | 20 | EA |
| 3 | 3 | 250 mm dia | ITEM CODE 3 | 2 | EA |
| 4 | 4 | Supply of following Blind Raised Face Flanges (BLRF) conforming to ASTM A- 105 Class 150; ANSI B 16.5 | ITEM CODE 4 | ||
| 5 | 5 | 200 mm dia | ITEM CODE 5 | 12 | EA |
| 6 | 6 | 150 mm dia | ITEM CODE 6 | 2 | EA |
| 7 | 7 | SUPPLY OF MS PIPE: IS-1239 Gr. C Heavy Duty | ITEM CODE 7 | ||
| 8 | 8 | 150 mm dia | ITEM CODE 8 | 30 | M |
| 9 | 9 | PIPE FITTINGS : Supplying the following sizes of Elbows/ Tees/ Reducer made of carbon steel seamless pipes with bevelled ends as per enclosed specifications for the following sizes Note: The fittings shall be as per ASTM A 234 Grade WPB schedule 40 and dimensions as per ASME B 16.5.\nNote: The quantities given are only indicative.The actual quantities to be supplied will be based on the finalised drawing for pipeline routing.\nEQUAL TEE | ITEM CODE 9 | ||
| 10 | 10 | 150 mm dia | ITEM CODE 10 | 4 | EA |
| 11 | 11 | Supply of Cast Carbon Steel ASTM - A 216, Gr. WCB Double Flanged Gate Valve as per BS : 1414; API-600, Class # 150, with stainless steel rising spindle & internal working parts, flange drilled as per ANSI B 16.5 Cl # 150, raised face and hand wheel including making flanged joints at both ends with SW SS gaskets, supply & fixing of nuts, bolts, etc. all complete in all respect as per the direction of engineer-in- charge. | ITEM CODE 11 | ||
| 12 | 12 | 150 mm dia | ITEM CODE 12 | 4 | EA |
| 13 | 13 | MS PIPE: ASTM SA 106 Gr.B (for pressure relief piping) 25mm Dia. ASTM SA 106 Gr.B SCH-80 | ITEM CODE 13 | 25 | M |
| 14 | 14 | Supply (Class-800) CS Gate Valve for pressure relief lines as per enclosed specification : Gate Valve API 602 CL800 SWE Bltd Bonnet Handwheel Operator A105 Trim 8 to API 600 602 (13% Cr Hard faced Seat) OS&Y Graphite Gland Packing API 598 Solid Wedge | ITEM CODE 14 | ||
| 15 | 15 | 25 mm dia | ITEM CODE 15 | 4 | M |
| 16 | 16 | PIPE FITTINGS : Supplying the following sizes of Elbows/ Tees/ Reducer made of carbon steel seamless pipes with bevelled ends as per enclosed specifications for the following sizes Note: The fittings shall be as per ASTM A 234 Grade WPB schedule 40 and dimensions as per ASME B 16.5.\nNote: The quantities given are only indicative.The actual quantities to be supplied will be based on the finalised drawing for pipeline routing.\nREDUCERS (CONCENTRIC) | ITEM CODE 16 | ||
| 17 | 17 | 300 X 250 mm | ITEM CODE 17 | 1 | EA |
| 18 | 18 | 250 X 150 mm | ITEM CODE 18 | 2 | EA |
| 19 | 19 | Design, manufacture, Supply of Aluminium Internal Floating Roof designed as per API 650 Appendix - H and consisting of but not limited to the following accessories :Provision of centre vent on the fixed roof\nRoof vents on the IFR roof. Column negotiators ( for gauge well and central column), Earthing and anti-rotation cablem Deck breather valve, Stainless Steel Shoes for Deck legs, Deck drains, PE Primary Wiper Seal & Secondary seal, Deck sheeting with minimum 0.6mm thick Aluminium and design point load of 750 psf\nNote : The design & QAP for this item shall have to be vetted through any one among the list of consultants attached Additionally, the materials required for this item shall also require Third party inspection / clearance from any agency from the list attached PRO-RATA RATE DERIVATION : WO-ITEM 0040 FOR 12.0M HT.IFR TANK: RS 29,19,921.17 \nDIAMETER CORRECTION FOR 16.0M TANK FOR MALDA T-02= 2919921.17 (16.0/12.0)=3893228.23\n | ITEM CODE 19 | 1 | EA |
| 20 | 20 | "Supply of Combined Gauge Well size 20"" NPS ( SORF,150# x Sch 20 seamless pipe) with blind flange and inside projection along with, 2 numbers flanged dip pipes of 6" NPS (SORF,150# x sch 40 seamless pipe) for primary and secondary radar, 1 number nozzle of 4" NPS (sch 40 seamless pipe) on 2 nos. 6" for manual dipping/sampling with spark proof gauge hatch, 1 number flanged dip pipe of 3" NPS (SORF,150# x sch 40 seamless pipe) for temperature sensor, 1 number nozzle of 2" NPS (SORF,150# x sch 40 seamless pipe) for level switch and 1 number flanged dip pipe of 1"" NPS (SORF,150 # x Sch 160 seamless pipe) for thermal expansion along with entrance hatch and entrance ladder \nMaterial of construction of pipes shall be A 106 Gr B (seamless) and flanges shall be A 105. PRO-RATA RATE DERIVATION : WO-ITEM 0020 FOR 9.0M HT.IFR TANK: RS 3,49,167.11 HEIGHT CORRECTION FOR 10.35M TANK FOR MALDA T-02= 349167.11 (10.35/9.0)=401542.18 | ITEM CODE 20 | 1 | EA |
| 21 | 23 | WORKS | ITEM CODE 21 | ||
| 22 | 24 | Erection,Testing, Floatation Test,Commisioning of Aluminium Internal Floating Roof designed as per API 650 Appendix - H and consisting of but not limited to the following accessories :Provision of centre vent on the fixed roof\nRoof vents on the IFR roof. Column negotiators (for gauge well and central column) Earthing and anti-rotation cable Deck breather valve, Stainless Steel Shoes for Deck legs, Deck drains, PE Primary Wiper Seal & Secondary seal ,Deck sheeting with minimum 0.6mm thick Aluminium and design point load of 750 psf \nNote : The design & QAP for this item shall have to be vetted through any one among the list of consultants attached Additionally, the materials required for this item shall also require Third party inspection / clearance from any agency from the list attached PRO-RATA RATE DERIVATION : WO-ITEM 01250 FOR 12.0M HT.IFR TANK: RS 7,29,979.45 \nDIAMETER CORRECTION FOR 16.0M TANK FOR MALDA T-02= 729979.45 (16.0/12.0)=973305.93\n | ITEM CODE 22 | 1 | SET |
| 23 | 25 | "Erection,Installation, Alignment,Welding, Supporting of Combined Gauge Well size 20"" NPS ( SORF,150# x Sch 20 seamless pipe) with blind flange and inside projection along with, 2 numbers flanged dip pipes of 6"" NPS (SORF,150# x sch 40 seamless pipe) for primary and secondary radar, 1 number nozzle of 4"" NPS (sch 40 seamless pipe) on 2 nos. 6"" for manual dipping/sampling with spark proof gauge hatch, 1 number flanged dip pipe of 3"" NPS (SORF,150# x sch 40 seamless pipe) for temperature sensor, 1 number nozzle of 2"" NPS (SORF,150# x sch 40 seamless pipe) for level switch and 1 number flanged dip pipe of 1"" NPS (SORF,150 # x Sch 160 seamless pipe) for thermal expansion,along with entrance hatch and entrance ladder\nMaterial of construction of pipes shall be A 106 Gr B (seamless) and flanges shall be A 105. \nPRO-RATA RATE DERIVATION : WO-ITEM 01230 FOR 9.0M HT.IFR TANK: RS 86,291.78 \nHEIGHT CORRECTION FOR 10.35M TANK FOR MALDA T-02= 86291.78 (10.35/9.0)=99235.55 | ITEM CODE 23 | 1 | EA |
| 24 | 27 | Dismantling & stacking of CI/GI/MS/SS pipe (of any specification) anywhere inside of IOC location | ITEM CODE 24 | ||
| 25 | 28 | 300 mm dia Pipe | ITEM CODE 25 | 6 | M |
| 26 | 29 | 200 mm dia pipe | ITEM CODE 26 | 6 | M |
| 27 | 30 | 100 mm dia pipe | ITEM CODE 27 | 100 | M |
| 28 | 31 | DISMANTLING of ROSOV / DBBV / MOV / GOGV / PLUG VALVE / CS GATE VALVE / QUARTER TURN VALVE / BALL VALVE/ Butterfly valves of the following sizes on the pipeline including shifting/stacking the same inside premises. | ITEM CODE 28 | ||
| 29 | 32 | 200 mm dia | ITEM CODE 29 | 4 | EA |
| 30 | 33 | LAYING & WELDING OF PRODUCT PIPELINE (ABOVE GROUND) IN ZONE- B\nLaying and welding (3 runs minm.) Above Ground Pipelines from supplied MS pipes (pipes to be supplied anywhere within the depot and the contractor shall shift the same to the site of work at no extra cost with all leads and lifts) of the following sizes as described below, including cutting, bevelling and fixing the supplied specials such as elbows, bends, tees, reducers, etc complete and successful hydrotesting the pipeline at a pressure of 10.5 kg/cm2 for a minimum period of 4 Hrs. \nThe job includes Dye Penetration (DP) testing of pipeline joints as per approved QAP.\nAbove ground pipeline to be laid on concrete pedestals (which is to be constructed as per the respective item of this schedule)/ piperacks/ TLF shed/ pump house and manifolds and Painting the pipeline as per the specifications enclosed including the colour coding as per IOC specifications. Welding of pipeline should conform to Radiography quality. 10% of the joints shall be radiographed and the cost of the same will be paid separately as per respective item, etc. and as directed at site.\nNote: \na. Any repairs to the defective welding shall be made good at no extra cost to IOCL. Re-radiography of repaired joint shall also be at contractor's cost.\nb. The rates quoted also to include Painting and colour coding of pipelines as per the standards.\nc. Painting Scheme : Application for External painting shall be carried out by means of AIRLESS SPRAY PAINTING SYSTEM only.\n1. Surface Preparation : as per Sa 2½\n2. Primer : P3- Red Oxide Zinc phosphate Primer - 2 Coats (30-35µ each), DFT 60-70µ\n3. Intermediate Coat : NIL\n4. Finish Coat : F2- Aluminium Finish Paint - 2 Coats (15-20µ each), DFT 30-40µ\nTotal Min DFT 90µ | ITEM CODE 30 | ||
| 31 | 34 | 150 mm dia pipe | ITEM CODE 31 | 30 | M |
| 32 | 35 | Provision of Saddle plates for Product & Hydrant Pipelines over pedestals including cutting and fabrication of saddle plates from supplied MS pipes and welding of the same on pipelines under pedestals with minimum 3 run of welding complete as per specifications, drawings and directions of Engineer in charge. | ITEM CODE 32 | ||
| 33 | 36 | 150 mm dia pipe | ITEM CODE 33 | 4 | EA |
| 34 | 37 | Welding of the supplied CS WNRF Flanges on the pipelines with 1 run weld inside and two runs weld outside, etc complete and as per specifications enclosed. BW, WNRF Flange SCH-40 require minimum 3 runs, which is equivalent to 3 runs FW, for SORF Flange. In addition, root weld is to be grinded to sound metal\n | ITEM CODE 34 | ||
| 35 | 38 | 250 mm dia | ITEM CODE 35 | 2 | EA |
| 36 | 39 | 200 mm dia | ITEM CODE 36 | 8 | EA |
| 37 | 40 | 150 mm dia | ITEM CODE 37 | 22 | EA |
| 38 | 41 | Making flanged joints between flanges (WNRF/SORF/BLRF) including supplying and fixing 3 mm thick SW SS gaskets with graphite fillers, studs, nuts, bolts of approved make for the following sizes, as per IOCL specifications and site instructions. The flanged joint shall also include providing and fixing multistrand copper wire/flat for bonding of product pipelines including provision of lugs.\n | ITEM CODE 38 | ||
| 39 | 42 | 250 mm dia | ITEM CODE 39 | 1 | EA |
| 40 | 43 | 200 mm dia | ITEM CODE 40 | 4 | EA |
| 41 | 44 | 150 mm dia | ITEM CODE 41 | 11 | EA |
| 42 | 45 | Fixing & Installation of the supplied ROSOV / DBBV / MOV / GOGV / PLUG VALVE / CS GATE VALVE / QUARTER TURN VALVE / BALL VALVE of the following sizes on the pipeline including supplying and fixing 3 mm thick SW SS gaskets, studs, nuts, bolts, washers, etc of approved make for the following sizes as per specifications and site instructions. \nNote: The rate quoted for the above items should include:\na. mechanical cleaning/greasing of the valves after erection.\nb. supplying and painting the valves / fittings, etc. with two coats of P3 (Red Oxide Zinc Phosphate Primer) and two coats of F4 (Synthetic Enamel Finish Paint) of approved colour and shade as per colour coding specifications for fittings on product pipelines / fire hydrant lines.\nc. Fittings on Ethanol service shall be provided with PTFE gaskets 3mm thk.\n | ITEM CODE 42 | ||
| 43 | 46 | 150 mm dia | ITEM CODE 43 | 4 | EA |
| 44 | 47 | 100 mm dia | ITEM CODE 44 | 4 | EA |
| 45 | 48 | 80 mm dia | ITEM CODE 45 | 4 | EA |
| 46 | 49 | 25 mm dia | ITEM CODE 46 | 3 | EA |
| 47 | 50 | Sprinkler Nozzles\nSupply, handling, erection, testing & commissioning of Medium Velocity Water Spray Nozzle of all types in 1/2" BSPT male thread including all necessary consumables complete in all respect as per the direction of engineer-in- charge. Nozzles to be replaced exactly as per existing type of nozzle installed. | ITEM CODE 47 | 90 | EA |
| 48 | 51 | Supply,handling,erection,testing & commissioning of Foam Chanber / Maker with Vapour Seal suitable for Cone Roof Tank of following capacity and inlet & outlet sizes including supply & erection of companion SORF flanges of ANSI B 16.5 Cl# 150,G.I nuts & bolts,gaskets etc complete in all respect.The job also includes providing all necessary scaffolding/support structure for carrying out the erection job at different heights at free of cost. | ITEM CODE 48 | ||
| 49 | 52 | Capacity 761-1814lpm ; Size : 100NB/200NB | ITEM CODE 49 | 2 | EA |
| 50 | 53 | Supply,handling,erection,testing & commissioning of Foam Pourer suitable for Cone Roof Tank of following inlet sizes including supply & erection of companion SORF flanges of ANSI B 16.5 Cl# 150,G.I nuts & bolts,gaskets etc complete in all respect.The job also includes providing all necessary scaffolding/support structure for carrying out the erection job at different heights at free of cost | ITEM CODE 50 | ||
| 51 | 54 | 200 NB | ITEM CODE 51 | 2 | EA |
| 52 | 55 | S/Fab of Galvanised MS Pipe: Supply, handling, cutting, edge preparation, fabrication, erection of above ground Screwed type G.I. Pipeline for Sprinkler and foam system at select vertical storage tanks at any height, including testing & commissioning. The pipe to be used shall be of Mild steel Galvanised as per IS :1239 ; Part-I (Annexure XI). Class / pressure rating - Heavy grade for dia 150 mm and below and minimum 6.34 mm for pipes 200 and above (pipes as per IS 3589, Grade 410). Galvanising minimum 360 gm/sq.m. as per IS 4736 (Annexure XII). Rates include supply & fitting of all necessary G.I.Heavy grade fittings such as different types of threaded Tees, threaded reducer, threaded elbows, threaded cross etc . conforming to IS:1239,Part-II and SORF threaded GI Flanges ANSI B 16.5 Cl# 150 with GI nuts,bolts, gaskets & GI washers, teflon,jute. hold-tight etc all consumeables, U-bolts etc to complete the work in all respect. Sprinkler rings to have flanged joints with one flange to flange segment made of approx 12 to 18m length. The sockets for spray nozzle shall also be GI and welded on the sprinkler ring pipes. Entire T shall be dip galvanised before installing. Riser pipes to have a drain at the bottom most portions with valve. Riser & bottom pipes to also have flanges at suitable places for maintenance purpose, (minimum 4 per riser) rates of which are inclusive in the rates Note 1: Galvanising on Pipes ,fittings and flanges shall be in accordance with IS 4736 latest edition. This job is to be carried in running tank which is full of flammable petroleum products. So highest level of safety precaution to be taken as per direction of Site-In-Charge / Terminal In-Charge by contractor during execution of job. The GI pipes to be joined by threaded sockets & threaded flanges as per instruction of Engg in Charge. The branch / risers to have joints as per site equirements. Each segment shall be erected by chain pulley only. No crain will be allowed inside the tank farm. The new pipes shall be erected by chain pulley arrangement . Note 2. No hot job will be allowed at the vicinity of the tank farm.\n | ITEM CODE 52 | ||
| 53 | 56 | 150 mm dia | ITEM CODE 53 | 100 | M |
| 54 | 57 | 80 mm dia | ITEM CODE 54 | 120 | M |
| 55 | 58 | Provision of Saddle plates for Product & Hydrant Pipelines over pedestals including cutting and fabrication of saddle plates from supplied MS pipes and welding of the same on pipelines under pedestals with minimum 3 run of welding complete as per specifications, drawings and directions of Engineer in charge. | ITEM CODE 55 | ||
| 56 | 59 | 150 mm dia Pipe | ITEM CODE 56 | 6 | EA |
| 57 | 60 | Supply & installation of MS Galvanised "U" clamp of size including providing M16 U-bolts with nuts suitable for 65 mm pipeline | ITEM CODE 57 | ||
| 58 | 61 | 80 mm dia pipe (RATE SAME AS 65MM DIA PIPE) | ITEM CODE 58 | 90 | EA |
| 59 | 62 | Welding of the supplied CS WNRF flanges on the pipelines with 1 run inside and two runs outside etc compete and as per specifications enclosed. | ITEM CODE 59 | ||
| 60 | 63 | 150 mm dia | ITEM CODE 60 | 6 | EA |
| 61 | 64 | Making flanged joints between flanges (WNRF/SORF/BLRF) including supplying and fixing 3 mm thick SW SS gaskets with graphite fillers, studs, nuts, bolts of approved make for the following sizes, as per IOCL specifications and site instructions. The flange joint shall also include providing and fixing multistrand copper wire/flat for bonding of product pipelines including provision of lugs. | ITEM CODE 61 | ||
| 62 | 65 | 150 mm dia | ITEM CODE 62 | 3 | EA |
| 63 | 66 | Providing siphon breaker on top portion of expansion relief line above gauge well housing top flange by suitably modifying existing Tee on 25 mm dia line. | ITEM CODE 63 | 4 | EA |
| 64 | 67 | PROVIDING BEARING PAD PLATES UNDERCOLUMN- PLATE TO BE SUPPLIED BY IOC. PROVIDING BEARING PAD PLATES UNDER COLUMN BASE. \nThe item rate for above includes fabrication of 10 mm thick bearing plates of sizes and shapes as per directional drawings(Minimum size of 1050mm x 1250mm), chamfering of corners as per API-653,transporting the plates inside tank, lifting columns by jacking and holding them \nin position by providing proper supports, cutting and removal of existing restraining cleats, grinding the burrs and examining the spots by DP/WFMPT , inserting/erecting the fabricated bearing plates under columns, fitting them wiyh existing/replaced bottom plates, joggling the intersection points\nwith bottom weld seams to obtain a tight-fit, welding the bearing plates with bottom plates, all around , lowering the columns on bearing plates, fitting and welding of restraining cleats,and complete the work in all respects to the satisfaction of Site-In-Charge. Weldings shall be examined by DP/WFMPT, as required as per API_653, and shall be paid separately. Defective welding shall be repaired and re-examined by DP/WFMPT free of cost. Note: 1. Plates of size 1500mm x6300mm shall be\nsupplied by IOCL as Free Issue. 2. Scraps and Off-cuts shall be returned to IOCL store/Yard. 3. Plate cutting diagram shall be prepared and submitted to IOCL for approval. 4. Methodology for Column lifting and Erection of Bearing Plates, including Load Calculation shall be prepared and submitted to IOCL for approval before start of work. | ITEM CODE 64 | 1 | EA |
| 65 | 68 | Dismantling of MS plates in bottom, shell & roof of CRVT/FRVT/IFRVT tanks either partly or in full as directed, by gas/hacksaw cutting from the existing weld seams & removing the MS plates from the tank by mechanical means, with utmost precaution and neatly straightening and storing at place indicated by site engineer anywhere in IOC premises, complete, irespective of lead and lift as directed. The rate includes the cost of labour, gases, providing necessary temporary supports, safe walk ladder, safety precautions etc., all necessary equipments, all necessary structures, clamps, suitable non-combustible material wedges, etc. complete to the satisfaction of site-in-charge. Plan area and average thickness of roof plates will be considered for calculating the qty of dismantled plates, and weight of appurtenances will not be considered seperately, and no extra payment for the same will be made. \nNote: Contractor has to submit the dismantling methodology clearly stating the restraining techniques to be involved so that circularity of the undamaged shell plates remains undisturbed, prior to commencement of work and has to get it approved from IOCL. Plates and structures, apputenances should be dismantled with utmost care as these are to be reutilised. | ITEM CODE 65 | 5.1 | MT |
| 66 | 69 | FABRICATION, ERECTION & WELDING OF MS PLATES FOR REPAIR OF EXISTING CR/IFR/EFR VERTICAL TANKS FOR PRODUCT/WATER STORAGE: \nItem includes replacement of bottom, annular, shell & roof plates in existing tank. It also includes replacement of shell manhole reinforcement plate & wind girder plates. All other items such as labour, equipment, power, consumables etc shall be supplied by contractor. While replacing roof plates of existing tanks, special care should be taken to avoid local sagging/depression in the roof plates.\nNote :\na) The steel plates shall be of Mild Steel Plate conforming to IS 2062 GR.'B'/IS 2062 E250B fully killed & will be free issue material for this item.\nb) Item does not include dismantling of damaged plate in existing tanks.\nc) Rate to include making all arrangment for proper installation of new plates after dismantling of damaged plates.\nd) The rate shall be inclusive of provision of metalic tubular scaffolding up to required height as per site condition.\ne) Item does not include any painting works of steel plates.\nf) Radiography will be paid separately. | ITEM CODE 66 | 5000 | KG |
| 67 | 70 | Structural Steel Works in Vertical Tanks: \nSupplying, transporting, fabricating, erecting Structural steel work from rolled sections and built-up sections like flats, tees, angles, channels, plates, pipes etc for various structural elements as required at the Vertical oil storage tank. Preparation of drawing, design & specification shall be arranged by contractor at his own cost as per guidance of IOCL. Item also includes applying Primer P4{with one coat of two pack high build modified alumunium epoxy mastic coating possessing self priming properties and good adhesion to even @ 175 microns DFT/coat} and two coats of Finish Paint F1 {Two pack aliphatic acrylic polyurethane finish paint @ (40-45) microns DFT/coat after preparing surface by Hand cleaning wire brush all complete as per drawing, specification and direction of Site-In-Charge.\n\nThe make of Structural Steel / tubular steel shall be of SAIL/Tata/RINL/Jindal. In case some small Mild Steel sections are not manufactured by SAIL/Tata, steel of other manufactuer may be used which must confirm the relevant IS code with prior approval of Engineer-In-Charge."\n | ITEM CODE 67 | 6000 | KG |
| 68 | 71 | Supply, handing and fabrication of Peripheral circulation vents as per drw no. IOCL-HO-IFR-RV-01 and shall be located on the tank roof (unless otherwise specified by the Purchaser of IFR) and meet the requirements of H.5.3.3 of design code of API 650 APPENDIX , so that they are above the seal of the internal floating roof when the tank is full. The maximum spac- ing between vents shall be 10 m (32 ft), based on an arc measured at the tank shell, but there shall not be fewer than four equally-spaced vents. The venting shall be distributed such that the sum of the open areas of the vents located within any 10 m (32 ft) interval is at least 0.2 m2 (2.0 ft2). These vents shall be covered with a 3 mm corrosion-resistant aluminium plate. The rate of central vent shall be inclusive of trasportation, installation and octroi and necssary inspection and testing. | ITEM CODE 68 | 6 | EA |
| 69 | 72 | Repair of defective weld joints by grinding/gouging to required depth and rewelding by qualified welder to required length. After the root run repair the weld joint will be subjected to Dye Penetration test. Cost of Dye penetration test will be paid separately. In case after repair, the weld joint is again found defective, rectification & testing will be done free of cost. GRINDING AND SMOOTHENING OF WELD JOINTS ON TANK INSIDE SHELL IS SPECIAL REQUIRMENT FOR INSTALLATION OF IFR | ITEM CODE 69 | 200 | M |
| 70 | 73 | CALIBRATION OF TANKS:\nItem includes bottom calibration with actual physical measurement by water meter till datum plate & calibration of tank shell by strapping periphery of different strakes above and below the horizontal weld joints OR by "Optical Reference & Line Methodology" method.\nIn case, the calibration is done by strapping method, double stage scaffolding with MS structures / pipes is also included in this item.\nItem includes cost towards statutory payment to be made to the authorities and all other incidental costs.\nItem includes preparation & submission of calibration charts in quadruplicate duly approved by the tank calibration authority.\nWater required for the calibration till datum plate shall be provided by IOCL within terminal premises or paid for separately as per water supply item rate in this contract. \nHandling of water for calibration till datum plate level including provision of water conveying pipes, water pumps, all material and labour, as required shall be arranged by the contractor & is inclusive in the rate. It is also inclusive of all neccessary arrangements to pump the water into tank & to drain out the water also at no extra cost to IOCL. \nThis rate is universally applicable for all tank sizes & capacities. | ITEM CODE 70 | 1 | EA |
| 71 | 74 | HYDRO-TESTING OF TANKS: \nCleaning of tank after hydrotest, boxing up of tank after completion of all works & inspection, including supplying and fixing gasket along with bolts & nuts confirming to IS 1363 & 1367 and washers of approved quality . Job includes all Man holes , Nozzles,Inlet /outlet valves, water draw off valves etc. complete & as per instruction at site.\nWater required for the hydro-testing of tank shall be provided by IOCL within terminal premises or paid for separately as per water supply item in this contract. \nWater conveying pipes, water pumps, all material and labour, as required shall be arranged by the contractor Including providing rubber gasket for hydrotesting. However the vendor shall make all neccessary arrangemens to pump the water into tank & to drain out the water also at no extra cost to IOCL.\nThis rate is universally applicable for all tank sizes & capacities. | ITEM CODE 71 | 2 | EA |
| 72 | 75 | PREPARATION OF TANK FABRICATION DRAWINGS: \nSubmission of detailed design/ fabrication drawings for the differnt size of tanks for approval of IOCL. Item includes submission of as built drawings (4 sets) including submission of drawings on a CD after completion of tank fabrication work as per enclosed specifications. Note: The drawings should be made in reference to the attached directional drawings and as per requirement of IS 803 & API 650.\nThis rate is universally applicable for all tank sizes & capacities. | ITEM CODE 72 | 1 | EA |
| 73 | 76 | INTERNAL PAINTING OF PRODUCT TANKS (OTHER THAN ATF): ZONE-A & ZONE-B : FIRST TIME PAINTING AND FULL RE-PAINTING\nApplicable for CRVT/IFRVT/EFRVT tanks; painting area as per IOC specification depending on hydro-carbon (product) stored in tank\nNote : 1. Application for External/ Internal painting for all product tanks shall be carried out by means of AIRLESS SPRAY PAINTING SYSTEM only. 2. The item rates for above should include provision of double staging scaffolding with MS pipes, drawing to be approved by Site-Engineer.\n1. Surface Preparation as per SA-2.5\n2. Primer : P1 -Inorganic Zinc Ethyl Silicate : Single Coat: DFT- 65-70µ 3. Intermediate Coat: P5-Epoxy Zinc Phosphate: Single Coat: DFT-35-40µ\n4. Finish Coat : F3-Amine adduct cured HB Epoxy Liner : Two coats : DFT-100-125µ per coat\nTotal Min DFT 300µ | ITEM CODE 73 | 1000 | M2 |
| 74 | 77 | EXTERNAL PAINTING OF PRODUCT TANKS (ALL PRODUCTS INCLUDING ATF & WATER) : ZONE-B : FIRST TIME PAINTING\nSurface preparation by Blast cleaning and painting of the following tanks as per details of specification given hereunder and the Techno-Commercial bid.\nSurface preparation by blast cleaning & painting the outside surface of tank shell and upperside surface of upper deck wind girders, rolling ladder, roof and shell appurtenances of EXTERNAL FLOATING ROOF tanks including all fittings and appurtenances etc.; providing IOC logo with tank writing work as per enclosed specifications (Table-2) and drawings / Outside surface of tank shell upto and including curb angle, upperside surface of roof, roof & shell appurtenances of CONE ROOF tanks (CRVT/IFRVT) including all fittings and appurtenances etc.; providing IOC logo with tank writing work as per enclosed specifications (Table-1) and drawings.\nNote : 1. Application for External/ Internal painting for all product tanks shall be carried out by means of AIRLESS SPRAY PAINTING SYSTEM only. 2. The item rates for above should include provision of double staging scaffolding with MS pipes, drawing to be approved by Site-Engineer.\n1. Surface Preparation as per SA 2½\n2. Primer : P3-Red Oxide Zinc Phosphate Primer : Two Coats: DFT-30-35µ per coat\n3. Finish Coat : F2-Aluminium Finish Paint : Two Coats : DFT-15-20µ per coat\nTotal Min DFT 90µ | ITEM CODE 74 | 100.48 | M2 |
| 75 | 78 | EXTERNAL PAINTING OF PRODUCT TANKS (ALL PRODUCTS INCLUDING ATF & WATER) : ZONE-B : RE-PAINTING/MAINTENANCE PAINTING\nSurface preparation by Blast cleaning and painting of the following tanks as per details of specification given hereunder and the Techno-Commercial bid.\nSurface preparation by blast cleaning & painting the outside surface of tank shell and upperside surface of upper deck wind girders, rolling ladder, roof and shell appurtenances of EXTERNAL FLOATING ROOF tanks including all fittings and appurtenances etc.; providing IOC logo with tank writing work as per enclosed specifications (Table-2) and drawings / Outside surface of tank shell upto and including curb angle, upperside surface of roof, roof & shell appurtenances of CONE ROOF tanks (CRVT/IFRVT) including all fittings and appurtenances etc.; providing IOC logo with tank writing work as per enclosed specifications (Table-1) and drawings.\nNote : 1. Application for External/ Internal painting for all product tanks shall be carried out by means of AIRLESS SPRAY PAINTING SYSTEM only. 2.The item rates for above should include provision of double staging scaffolding with MS pipes, drawing to be approved by Site-Engineer.\n1. Surface Preparation as per St-2/St-3\n2. Primer : P3-Red Oxide Zinc Phosphate Primer : Single Coat: DFT-30-35µ\n3. Finish Coat : F2-Aluminium Finish Paint : Two Coats : DFT-15-20µ per coat\nTotal Min DFT 60µ | ITEM CODE 75 | 900 | M2 |
| 76 | 79 | Supply, handling and fabrication of central roof vent for as per API 650 for IFR tank. The job shall be included providing 10" SCH 40 seamless pipe with provision of 10" flange and and elbow with SS wire net at the end of 10" central vent. The center circulation vent shall be with a minimum net open area of 30,000 mm2 (50 in.2) shall be provided at the center of the fixed roof or at the highest elevation possible on the fixed roof. It shall have a weather cover and shall be provided with a corro- sion-resistant Coarse-mesh screen of SS make. The rate of central vent shall be inclusive of trasportation, installation and octroi and necssary inspection and testing.\n | ITEM CODE 76 | 1 | EA |
| 77 | 80 | Roof Appurtenances: Supply,fabrication, installation,welding, heat treatment if required including fabrication & fixing of nozzle necks, etc.including preparation of drawings,supply of gases electrodes and other consumables, supply and fixing of bolts, nuts and gaskets of approved make wherever required etc & all labour material for completing the work as per drawings, codes/IOC specifications. Site engineer's instructions.\nNOTE: The new dip hatch is to be fixed in such a way that it is exactly above the datum plate and the reference ht. is not altered. | ITEM CODE 77 | ||
| 78 | 81 | a) Roof manhole-500 mm dia as per drg no.BR/CR/277, RATE FOR 500MM (M&I ITEM-557)=RS 20121.00 REQUIRED SIZE-600MM PRO-RATA RATE FOR 600MM= RS 20121(600/500)= 22995.62 | ITEM CODE 78 | 2 | EA |
| 79 | 82 | Supply, fabrication, installation, welding, heat treatment if required including fabrication & fixing of cover plates of 6 mm thickness and 650 mm dia in roof manholes, etc. including preparation of drawings, supply of gases, electrodes and other consumables, supply and fixing of bolts, nuts and gaskets of approved make wherever required etc. and all labour material for completing the work as per drawings, codes / IOC specifications and site engineer's instructions (As per B&R drawing no. BR/CR/277) RATE FOR 650MM (M&I ITEM-585)=RS 5974.99 REQUIRED SIZE-600MM PRO-RATA RATE FOR 600MM= RS 6274(600/650)= RS 5515.38 | ITEM CODE 79 | 2 | EA |
| 80 | 83 | Fabarication & installation of the following sizes of MS pipes (ASTM A 106 B, SCH-40) as per specification including cutting, welding, laying etc as per site requirement including blast cleaning the surfaces of the pipes to SA 2 1/2 and painting with two coats of P3 primer and two coats of F2 finish paint as per enclosed specifications etc complete and as per site directions.\nNote: The job includes providing and welding necessary fittings such as bends/ tees/ flanges etc complete.\n | ITEM CODE 80 | ||
| 81 | 84 | 25mm dia. | ITEM CODE 81 | 30 | M |
| 82 | 85 | Conducting Vacuum Box testing of roof/bottom plates at specified pressure(vacuum) including supply of all required equipments like vacuum box, vacuum pump etc. complete as per instruction of site-in-charge. | ITEM CODE 82 | 1 | LS |
| 83 | 86 | Supplying, providing of safe tubular double stage (box type) scaffolding outside the tank as per specification & satisfaction of location in charge. After use, the same shall be dismantled and taken away by the contractor. Payments shall be made for actual area of scaffolding provided based on requirement. Area of scaffolding will be measured on the basis of actual height of scaffolding provided multiplied by actual average length of scaffolding provided. | ITEM CODE 83 | 100 | M2 |
| 84 | 87 | Designing, supplying,fabricating,welding, bolting, riveting, assembling and erecting in position temporary required local 8.0 M highfire screen wall aound the tank with GI sheets with cross supports etc as per alignment shown by site Engineer, maintaining same till the completion of entire work and dismantling the entire screen wall carting away the dismantled materials from site redoing the entire existing surface to the original condition etc complete.The 8M high fire screen wall including the foundation is to be designed and approved by a '' licensed structural Engineer'' and should be suitable for local soil bearing capacity, wind speed etc. | ITEM CODE 84 | 720 | M2 |
| 85 | 88 | Cold Cutting of Pipe Lines where presense of flammable gases are possible, by Hacksaw, water jet or other acceptable method, maintaining all safety procedures, as per technical specifications, standards and instructions, etc complete. Note: This item is applicable only for Receiving & Delivery Oil Pipelines from/to terminals & depots where isolation valves close to cutting location is not available. Rate for cold cutting for Each Joint of Pipeline of following sizes :\n | ITEM CODE 85 | ||
| 86 | 89 | 300mm dia | ITEM CODE 86 | 1 | EA |
| 87 | 90 | 200mm dia | ITEM CODE 87 | 1 | EA |
| 88 | 91 | 150mm dia | ITEM CODE 88 | 4 | EA |
| 89 | 92 | Supply of Thermal Relief Valves (TRV) as per specifications : Inlet 20 mm x Outlet 25 mm | ITEM CODE 89 | 1 | EA |
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