| 1 | 1 | Degassing and cleaning of storage vessel 3*33 MT: with IOCL supplied water after making necessary connections for in and out flow with suitable pipelines/hose arragnements as directed on site. The water used for degassing should be disposed off safely in the drainage and th sludge if any coming along with water should be carefully removed and disposed/kept in safe places as directed at site. The sludge if any coming along with water should be carefully removed and disposed/kept in safe place as directed at site. The sludge shall be handled wet and should be buried if necessary as per directions of Plant manager or his representaive for avoiding ignition of pro-phonic iron compounds, if any if required. A sample of all sludge collected should be handed over to the Plant Manager/Site Engineer | BI01010001010000000000000515BI0100001115 | 3 | No. |
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| 2 | 2 | Disconnecting the inlet,outlet of the LPG Liquid and vapour line, SRV, HLA, Different Pressure Gauge, Servo Gauge, fixed Tube Gauge manhole, Water Drain Line, Globe Valves, ROV, EFCV and other fittings of 03 nos. 33 MT Bullets, fixing blinds on valves/pipelines as necessary and disconnection of electrical cables without any damage as pre the direction of the Competent person/IOCL Site Engineer | BI01010001010000000000000515BI0100001116 | 3 | No. |
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| 3 | 3 | Providing MS Tubular Ladder/scaffolding inside the 3 X 33 MT LPG Bullets suitable for cleaning of the inner surface and for suitably carrying out all statutory NDT Testing/Inspection and all the allied jobs as directed | BI01010001010000000000000515BI0100001117 | 3 | No. |
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| 4 | 4 | Providing flameproof lighting arrangement inside the bullet for crrying out necessary inspection, cleaning and NDT Tests. Contactor to supply the flameproof light fittings, Junction boxes, required cables, exhaust fans for proper ventilation etc as directed at site. Only One bullet will behanded over for testing at a time. IOCL shall retain the lighting arrangement till completion of all the bullets and the same lighting arragements may used in the other bullets by turn. | BI01010001010000000000000515BI0100001118 | 3 | No. |
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| 5 | 5 | Thorogh cleaning of the inner surgace of the 3X33 MT LPG Bullet with water jet with he helps of brooms, brush, wire brushes, scrappers followed by thorough mechanical or power cleaning by rotating wire brushes of inner surfaces to detailed rust, mill scale dust to exposed to expose the bare metal surfaces and surfaces preparation for NDT inspection throguh thorough buffing of weld joints covering heat effected zone i.e 10 mm of parent metal on either side of butt wled joints and fillet weld joints of nozzles , weld area of support legs, area/points where temporary/permananet attachment such as cleats , bracket welds etc. and the rinsing with water jets. On completion of cleaning, all the muck/deposits/sludge to be removed from vessel may contain pyrophoric compounds and hence the content to be collected and kept wet ij order to prevent auto ifnition and then to be burried in safe designated areas as per Site instruction. A smaple of all sludge collected should be handed over to the IOCL Site Engineer. Thecontractor has to provide all equipments and consummables for carrying out the cleaning jobs | BI01010001010000000000000515BI0100001119 | 3 | No. |
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| 6 | 6 | Dismantling and fixing back the liquid and vapour lines, Dismantling the blind flanges, pipe joints of Bullets and thorough cleaning of the joints, fixing new supplied gaskets, studs and nuts and fixing back all the connected line valves including excess flow check valves, safety valves after testing and other instruments like servo gaguge, HLA etc fitted to the vessel and complete all such jobs in all respectes to make the LPG bullets ready for commissioning fter completion of inspection and testing of LPG Storage vessels duly certified by CCOE approved parties. | BI01010001010000000000000515BI0100001120 | 3 | No. |
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| 7 | 7 | Ultrasonic Thickness measurement of weld on shell/petals dished and plates of 3X33MT Bullets asper SMPV rules and ASTM-A577-88 or equivalen code, mapping of each petal plate to cover the whole palte 6 to 7 radings to be taken between each consecutive weld seam(horizontal & LPG pipelines and nozzles & 25% on T joints as per ASTM-A-578 or quivalent code | BI01010001010000000000000515BI0100001121 | 3 | No. |
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| 8 | 8 | Wet Fluroscent Magnetic particle test (WFMPT) as per ASTM-E-709, ASME Sec V, Article 7 of circumferntial and longitudinal weld on shell and dished enfs including heat affected zones from inside : 100% and from outside: mpre than 10% weld joints of nozzles. | BI01010001010000000000000515BI0100001122 | 3 | No. |
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| 9 | 9 | UFD(Ultra Flaw detection) to check any internal defects of storage vessels weld joints on a 100% T joints from inside b) Middle circumferential seam, bottlom & crown weld internal 100% c) Nozzle weld-neck to shell, Intenal: 100% as per ASTM-E-577, Sec V Are 4,5,23 sec VIII Div 1 & 2 not les sthan 25% covering and as applicable codes and meeting all requirement s of PESO | BI01010001010000000000000515BI0100001123 | 3 | No. |
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| 10 | 10 | Dye Penetration test of nozzles and leg suppot pads and any other inaccessible areas as per ASTM E-165-80 & as per applicable code of 3X33 MT Bullets | BI01010001010000000000000515BI0100001124 | 3 | No. |
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| 11 | 11 | hardness testing to check hardness value of weld, parent metals and HAZ on selected spots on welds , HAZ and parent metal in ech accessible area as per ASTM E-11 and meeting all requirement of PESO | BI01010001010000000000000515BI0100001125 | 3 | No. |
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| 12 | 12 | Radiography test for weld joints as suppoting tst in case of dedects observed if any in WFMPI as per ASTM-E-94 or applicable codes (12 inch exposure) | BI01010001010000000000000515BI0100001126 | 3 | No. |
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| 13 | 13 | Hydrostatic test/stretch rest of 3X33 MT LPG Bullets as per design code of the LPG Bullet + at manufcturer recommended tst pressure as per Rule 19 of SMPV (Unfired) Rules), 1981. After testing dewatering and purign with LPG vapour will also have to be done | BI01010001010000000000000515BI0100001127 | 3 | No. |
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| 14 | 14 | Calibration of 3 nos. 33 MT bullets and submission of duly approved calibration certified | BI01010001010000000000000515BI0100001128 | 3 | No. |
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| 15 | 15 | painting: Surface Preparation: Clean to SSPC SP2 or as approved by location incharge (Hand Cleaning, Wire Brushing /other method) and painting as per specifiction | BI01010001010000000000000515BI0100001129 | 3 | No. |
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| 16 | 16 | Certification and documentations : Surveillance by TPUIA submission of inspection dossier (4 nos.) certification under Rule 19 by recognized Third partyInspection Agency (TPIA), Submission of isnpection Dossier sketches/drawings with Statutory Certification under rule 19 of SMPV(U) Rules, 2016 issued by a renowed CCE approved Competent Person | BI01010001010000000000000515BI0100001130 | 3 | No. |
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| 17 | 17 | GST @ 18% | BI01010001010000000000000515BI0100001131 | 1 | EA |
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