STATUTORY INSPECTION AND

Disconnecting the inlet, outlet of the LPG liquid and vapour line, SRV, HLA, Servo gauge, Radar gauge Manhole, water drain line, globe valves, ROV and other fittings of the bullets, removal of fire proof coating wherever necessary and disconnection of electrical cables without any damage as per the directions of the BPCL Site Engineer / Third Party Inspection Agency official. Any damage for the fittings or any equipments during removal & fixing of the connection has to be made good by the Tenderer - for 900 MT Mounded storage Vessel

Degassing of bullets with BPCL supplied water after making necessary connections for in and out flow with suitable pipelines / hose arrangements as directed on site. The water used for degassing should be disposed off safely in the drainage and the sludge if any coming along with water should be carefully removed and disposed / kept in safe place as directed at site. The sludge should be buried if necessary as per directions of location in charge or his representative. A sample of all sludge collected should be handed over to the LIC / Site Engineer. Deboxing / Boxing, dismantling / Pitting back all gadgets on bullet, also all jobs related to blind Flanging up to 1st Isolation Valve -- for 900 MT Mounded storage Vessel

Providing MS tubular ladder/scaffolding inside the bullet suitable for cleaning of inner surface and suitable for carrying out all inspections like ultrasonic testing, MPI and all allied jobs as directed. Ladder / scaffolding(s) shall have to be retained at site till the completion of all three bullets testing and the same scaffolding(s) may be used for providing in the other bullets by turn. The contractor shall also provide oxygen meter and ensure oxygen level is as prescribed norms before vessel entry. Oxygen metre can be taken back by contractor after the work is over for 900 MT Mounded storage Vessel

Providing flame proof lighting arrangement and exhaust fan inside the bullet for carrying out necessary inspection, cleaning and NDT Tests. Contractor to supply the flame proof lightfittings, Junction boxes, required cables etc, as directed at site. Lighting arrangement shall have to be retained at site till completion of all the bullets and the same lighting arrangement may be used in the other bullets by turn - for 900 MT Mounded storage Vessel

Thorough cleaning of the inner surface with water jet and clearing the sludge / rust materials followed by thorough cleaning of inner surface to remove the scales, oil and dust by wire brushes to expose the metal surfaces and thorough buffing of weld joints. Cleaning of minimum 50 mm on both sides of each weld joint including nozzle welds by thorough cleaning using rotary brushes to expose bare metal (Shinning surface) with care to entire weld joints of nozzles and weld area of support legs and other areas as directed at site. The contractor has to provide all equipments and consumables for carrying out the cleaning jobs. Localized grinding of the welds to be done if required as directed by our Site Engineer / Third Party Inspection Agency official. Dispose off the sludge of bullet at designated place after excavation as per direction of BPCL - for 900 MT Mounded storage Vessel

Carrying out external inspection on mound, retaining wall, inspection tunnel, bottom nozzle & its suspension/ supports, accessible top nozzles etc - for 900 MT Mounded storage Vessel

Fixing back all the liquid and vapour lines after servicing the valves, EFCV and fixing all removed fittings like HLA, SRV, Pressure/ Temp/ Servo/ Rochester gauges, manhole cover etc. After completing the testing, purging/fresh gas in is to be carried out with assistance from & under supervision of & as instructed by BPCL/Third Party Inspection Agency - for 900 MT Mounded storage Vessel

Ultrasonic thickness measurement on shell plates, dished end plates, LPG pipelines and nozzles as per applicable code and as per the instructions of Third Party Agency / BPCL Site Engineer - for 900 MT Mounded storage Vessel

Wet fluorescent magnetic particle test of welds using AC Yoke ,magnaflux ,tiede,Y6 black light and white washable distemper as background and as per applicable codes and as instructed by BPCL or Third Party Agency. Internal complete .all weld joints from inside, nozzle welds internal & external for 900 MT Mounded storage Vessel

Complete Ultrasonic flaw detection of welds as per applicable code from inside the bullets and as instructed by BPCL or Third Party Agency for 900 MT Mounded storage Vessel