|
| 1 | R&M of 073-D-101 (Dry Solvent Tank ) |
| 2 | Preparatory Jobs / Residual handling & Other mandatory worksas per scope of work - 2.0 |
| 3 | Carryout Blinding & Deblinding to isolate tank from service, providing assistance to water filling and draining, open & box-up of Top and bottom manways. Carryout scrapping, steam and water washing and clean the surfaces free of scales and prepare the tank fit for hot work,hand tool cleaningand offering the tank for inspection after cleaning. |
| 4 | The contractor shall provide barricading on threesideof the Tank for safeguarding the nearby Tanks and other equipment, as per scope of work. Barricading shall be removed after completion of all works. |
| 5 | Foundation and Asphalt Pad Repair work as per scope of work 3.0,,,,,,,,Supplying and filling the required, with any one or all types of fill materials as per design for tank pads including spreading in layers of 15 CMS loose thickness average, watering, ramming and compacting to obtain not less than 85% relative density as per IS 2720 part XIV for repair works. Course river sand is preferred for the repair works.,,,,,, ,, |
| 6 | Removal of the existing premix and anticorrosive layers |
| 7 | Providing and filling fine aggregate (M-sand) of approved quality infloor |
| 8 | Providing and laying 50mm thick premix carpet in two layers |
| 9 | Providing and laying 50mm compacted thickness, anticorrosive layer under steel storage tanks. |
| 10 | Scaffolding Erection & Dismantling (Internal & External) as per scope of work - 4.0 |
| 11 | Erection and dismantling of Tank Inside scaffolding, with contractor\"s own materials. (Approx. 300 cu.m) |
| 12 | Erection and dismantling of Tank Outside scaffolding, with contractor\"s own materials. (Approx. 260 Cu.M) |
| 13 | Cleaning of Bottom / Roof weld seams, Shell Nozzles & Pad Welds as per scope of work - 5.0, 6.0 ,7.0,8.0&10.0 |
| 14 | Buffing for weld inspection |
| 15 | Buffing and Diesel chalk testing of shell to annular weld joints. |
| 16 | Buffing with Vacuum box test in Bottom plate weld joints. |
| 17 | Weld repairs and reinforcement: upto 3 runs for Bottom Plate, Roof Plate weld joints, shell weld joints, and wherever required, usingE 7018 electrodes as per scope of work - 8.0 |
| 18 | Patch welding : The job includes preparing the work area for hot work, grinding, fillet welding on plate surfaces using E7018 electodes at all grades and elevations, bending to the desired curvatures wherever required etc. the jobs includes supplying of all types of tools & tackles, machineries all consumables and labour to complete the job in all respects as per EIC instructions and as per scope of work. The thickness of patch weldings are upto 8mm as per scope of work . |
| 19 | Bottom plate replacement as per scope of work - 9.0 |
| 20 | Replacement of existing bottom plate Cutting, dismantling, shifting out of dyke, weighing and transporting to scrap yard / designated place as directed by EIC.Providing construction drawing, fabrication, erection,welding, all NDT requirements such as DPT Diesel chalk, VBT etc and satisfying allinspection requirments as directed by EIC and as per scope of work. The thickness of old bottom plate is 6 mm & proposed new bottom plate is 8 mm.The rate also includes grid blasting & applying bottom plate underside CPCLpainting System-XI and carrying out all other testing requirements as per the standard. |
| 21 | Roof replacement work as per scope of work - 11.0 & 12.0 |
| 22 | Replacement of the existing roof plate thk:6mm with same thickness as per scope of work. This SOR includes providing construction drawing for roof replacement works as per CPCL Engineering, getting CPCL approval before starting fabrication jobs. The extreme safety to be followed while carrying out roof replacement at higher elevation.Reference drawing will be provided by CPCL. Cutting, dismantling, shifting out of dyke, weighing and transporting to scrap yard / designated place as directed by EIC.Fabrication, bending of plates wherever required, erection, welding, testing of roof, including all roof appurtenances, providing Nozzles & Flanges (using E7018 as per inspection), Manways including covers and satisfying all inspection requirements as directed by EIC / Standards.Roof structurals (rafters) if any,shall be dismantled reinstalled for replacement of roof plates and these replacements cost can be claimed through structual works rates in this SOR. Wherever possible roof structurals shall be salvaged and reused as per the clearance of CPCL Inspection. The rate includes pneumatic testing of roof plate welds at 50mm of water column after completion of all the welding and during hydro test condition (with water upto the curb angle level / Safe filling height). |
| 23 | Structural works as per scope of work as per scope of work - 17.0 |
| 24 | Cutting, dismantling, shifting Insulation Holding angles / strips/fastenersout of dyke, weighing and transporting to scrap yard / designated place as directed by EIC. |
| 25 | Fabrication, Erection of Structural (includes hand rails, supports, Insulation Holding angles / strips/fasteners etc) as per requirement and instructions of EIC. |
| 26 | Erection and welding of Platform/ Gratings |
| 27 | Replacement ofAnchor chair bolt as per procedure The jobinvolves Cutting and removal of the anchor chair bolt /repair/Replacement of the anchor chair bolt of the tank as per proc edure.( The anchor chairs and the anchor bolts are under insulation -12 Nos.). |
| 28 | Nozzles replacement / Cleaningas per scope of work - 16.0 |
| 29 | For providing nozzles on the shell / roof with RF pad and carryout pneumatic testing as per API 650 / 653 with necessary inspection.Measurement will be based on size of the nozzle only. |
| 30 | Clean the shell nozzles & pad welds and carryout pneumatic testing at 15.0 PSI as per scope of work. Measurement is based on the size of the nozzle only. |
| 31 | Piping workas per scope of work 13.0 & 14.0 |
| 32 | Fabrication and erection of CS piping- Butt Welding Jointsup to5 mtrs from ground - with supports inside / outside the tank including flushing, hydrotest and meet other standard inspection requirements. The rate for supports insatllation shall be claimed through applicable structural SOR. (Root E-6010/Filling E-7018) |
| 33 | Fabrication and erection of CS piping- SocketWelding Joints -All elevations including flushing, hydrotest and meet other standard inspection requirements. ( E-6013/ 7018) |
| 34 | Dismantling of old pipes inside / outside tank and disposing them off to designated place as directed by EIC. |
| 35 | Old pipe line hydrotesting Size : 2inchto 3 inchincluding Blinding & Deblinding . Pressure up to 25 KSC. |
| 36 | Steam coil work as per scope of work.Fabrication including bending ,erection of2\" steam coil and other piping with supports, radiography 20%, andhydrotestingas per inspection.Structural jobs can be calimed through the available structural SOR. Quoted rate shall include radiography of weld joints and hydrotesting |
| 37 | Radiography as per Scope of Work.The job includes performing radiography examination of welds on piping & all type of equipments as per relevant ASME / ASTM standards & as per CPCL specification CPCL-INSP-RAD-01 at all grades & elevations with film width not less than 4 inches.The job also includes supplying of radiation source camera, other machineries required, all consumables required for filming & developing, transportation of camera, etc., area preparation before starting the job, labour, supervision to complete the job in all respects including preparation of developing chemicals, developing the films & submission of films for inspection review. |
| 38 | Pipe weld joints - Upto 2\" nominal dia |
| 39 | Weld joint size - above 6\" nominal dia and weld seams of storage tanks, pressure vessels and plate welds (Unit of Measurement Ea = Inch length of Film |
| 40 | Calibration / Hydrotesting of Tank as per scope of work -19.0 |
| 41 | Calibration of the Tank using Optical me |
| 42 | Hydrotest of tank by filling water, Pneumatic test of roof, Initial measurements and settlement readings Calibrationas per scope of work. |
| 43 | Repairs / replacement of mechanical level indicator as per scope of work 15.0.(Rate includes supply & installation of mechnaical level indicator wires, pulleys & counterweight) |
| 44 | REMOVAL AND REFIXING OF PVRV AFTER SERVICING as per the scope of Work18.0 |
| 45 | Removal and Refixing of PVRV size -2inchafter servicing as per the scope of Work |
| 46 | Earthing point repairs as per scope of work17.5 |
| 47 | Earthing flat repair works as per Scope of work (Unit of measurement Meter =Running meter) |
| 48 | Cleaning of Bottom, Roof& Shell plates and Surface preparation works as per scope of work - 21.0The job includes mechanical cleaning of metal surfacesusing hand tools, power tools like buffing wheels / grinding machine / rotating steel wire brush, etc., and blast cleaning of metal surfacesusing steel grits to make the surface free of rust, scales, mill scales, dirt, grease / oil, etc.,for the purpose of painting. |
| 49 | By Power Tool cleaning to SSPC-SP-3/ St 3 |
| 50 | By Hand tool cleaning to SSPC-SP-2/ St 2 |
| 51 | By Gritblast cleaning to SSPC-SP-10/Sa 2.5 |
| 52 | Paint Roof bottom surface (Product side), RoofRafters and Top shell course (above the max.liquid level) as per CPCL Painting System XV as per scope of work -21.4 |
| 53 | Primer : One coat of Inorganic Zinc Silicate Primer DFT of75 microns/coat |
| 54 | Inter : One coat of Epoxy Zinc Phosphate Primer DFT of30 microns/coat |
| 55 | Two coats of High Build Phenolic Epoxy Paint DFT of 100 microns/coat (Rate per SqM for2 coats) |
| 56 | Bottom plate soil side and Shell Outersurface (150mm) and Annular plate projection as per CPCL Painting System XI as per scope of work - 21.3 |
| 57 | Primer : One coat ofEpoxyZinc PhospatePrimer DFT of30 microns/coat |
| 58 | Inter : One coat of Polyamide Cured HB Epoxy MIO Paint DFT of 75 microns/coat |
| 59 | Two coats of High Build Coal TarEpoxy Paint DFT of 100 microns/coat (Rate per SqM for2 coats) |
| 60 | ALL STAIR CASE ,HAND RAILS , STRUCTURALS , PLATFORMS ,FIRE FIGHTING SYSTEM AND ALL UN SINSULATED CONNECTED PIPING OF TANK WITH IN THE DYKEAS PER CPCL PAINTING SYSTEM – X as per scope of work - 21.2 |
| 61 | Primer : One coat of Self priming Epoxy Paint DFTof100 microns/coat |
| 62 | Inter : One coat of Polyamide Cured HB Epoxy MIO Paint DFT of75 microns/coat |
| 63 | Finish: Two coats of Acrylic Polyeurethene Paint DFT of 35 microns/coat (Rate per SqM for2 coats) |
| 64 | Supply of Semi-Skilled experinced Assistance for Inspection / MFG assistanceactivitiesas per the instruction of EIC. |
| 65 | Provide SEMI-SKILLEDexperinced assistance for 8 Hrs per dayfor Inspection / MFG assistanceactivities etc . |
