KMC/ BDPS/MMPS/P26/25-26

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10 mm thick M.S plate as per IS:2062-2011 make SAIL/TATA for surface development of 1020 mm dia. 6 mt. long column pipe and 12 mm thick stiffeners around flanges considering 15 % extra metal for waste of material due to cutting and edge preparation for welding.

Welding in M.S structural work with flux coated electrode (b) continuous welding along pipe seam and around flanges and stiffeners. After root run, weave electrode so that metal fuses uniformly on both plates for every subsequent run. Remove slag and clean weld bead by chipping hammer and wire brush after every run.

Hire fitter

Hire Gas Cutter

Bevelling edge of 10 mm plate for single-V butt joint. Included angle is 70 degrees. Leave 3 mm square surface at bottom on both edges for root run.

Pipe rolling 10mm MS plate in pipe bending machine

Sand blasting of column pipe surfaces thoroughly to remove rust and to create surface texture to adhere primer.

Apply Zinc phosphate primer on the blast surface after cleaning the surface.

Mix branded Epoxy resin and hardener in the ratio by volume or weight as per recommendation of manufacturer of paint. Stair well the mixture for uniform and consistent mixture and wait few minutes to let bubbles come out of mixture. Apply the mixture on the primer coated surface by roller. Wait 24 hours for drying before applying next coat. Allow 6/7 days to dry after finish paint for curing of paint and adherence of paint to the surface for durability.

Hire mobile crane to shift old column pipe from working area to courtyard and new column pipe loading and unloading from truck and bringing in from roadside to working area.

Supply of material for pipe flange blank. Flange making by marking, gas cutting, machining by turning, facing and chamfering on lathe machine and drill holes along PCD on CNC drill machine. OD =1230 mm, ID= 1020 mm, P.C.D=1135mm, thickness 25 mm, Hole size 32mm, No. of holes 26 nos.

Nine strand SS heavy duty lifting sling 25 mm dia.6 mt long. Eyes/loops formed on both ends by crimping for attaching on lifting hook. Working Load limit is above 5 ton.

1.125 “ BSW full threaded high tensile strength 150 mm long stud with hexagonal heavy-duty lock nut and washers.

Transportation of column pipe from workshop to Mominpur DPS.

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