annual rate contract of hot, cold and spray insulation jobs for the year 2023-25 - cleaning of surface, supply of insulation and other necessary materials, testing of material as required and carry out hot and cold insulation on pumps, turbines, tanks, vessels, boilers, pipe lines, bends, tees, valves, flanges, domes, manhole covers, flat surfaces, etc. at all heights including transportation to work site, loading necessary scaffolding including labour, tools, tackles, supervision and completion of work in all respects as per drawing, specifications standards and instructions of engineer-in-charge. 3 hot insulation & thickness 4 40 mm 5 50 mm 6 75 mm 7 100 mm 8 150 mm 9 cold insulation thickness 10 40 mm 11 50 mm 12 75 mm 13 100 mm 14 150 mm 15 200 mm 16 part - b ( spray insulation ) 17 cleaning of surface of turbine supply of insulation material and other necessary material, testing of material as required & carry out spray insulation on turbines at all heights including transportation to work site providing necessary scaffolding 18 plastering of pumps, turbines & piping with hard setting cat-9 plaster & painting with oil resistant paint 19 part - c ( misc ) 20 application of new 22 swg aluminum sheeting to be supplied & fixed by the contractor. 21 application of old used aluminum sheet to be supplied by nfl. 22 removal of aluminum sheeting ( old ) . 23 removal of wool mattres ( old ) 24 removal of cold insulation. 25 supply & application of aluminum foil 0.1mm thk. 26 supply & application of vapor barrier. 27 supply & application of protective coating on under ground piping. 28 supply & application of asbestos cloth pads with mineral wool up to thickness 50 mm. 29 supply & application of asbestos cloth pads with mineral wool above 50 mm and up to 100 mm thk. 30 supply & application of asbestos fluff cementing. 31 application of new 22 swg g.i. class-i sheeting to be supplied & fixed by the contractor. 32 part - d ( labourrates ) 33 insulator 34 painter 35 rigger 36 hoister 37 tinsmith 38 helper / mazdoor 39 mason for refractory lining. 40 part - e: --hot insulation on piping with operating temperature 350 deg to 550 deg & pipe sizes upto 10 nb - using calcium silicate ceramic fibre board pipesections ( density:250 kg / m3 ) curved / bevelled lags ( density:250 kg / m3 ) conforming to is: 8154 / is:9428. 41 insulation thickness 42 80mm 43 90mm 44 100mm 45 120mm 46 130mm 47 140mm 48 part-f:- removal & refixing old calcium silicate insulation 49 insulation thickness 50 80mm 51 90mm 52 100mm 53 120mm 54 130mm 55 140mm