tender for job work & material supply of both boilers. supply and job work for our 2 nos. boilers having capacity: - 25 tph each, working pressure -21 kg /cm2 (g). design pressure: -24kg /cm2 (g), hydraulic test pressure: - 36kg/cm2 (g)super-heated steam temp-340ᵒc ±15ᵒc.make of boiler: - wil registration no. -ha-276 & ha-277. , supply of fabricated boilers side wall tube for our 2 nos. boilers as per site situation with following specification: - tube o.d - 63.5 mm, tube thickness - 4.06 mm each tube length - approx. 10.200 mtr, total no. of tubes = 80 x 2 boilers tube material = bs 3059 gr-320 part-1 (erw) make- ti/ tata/ msl , job work of dismantling and erection of above side wall tubes for our 2 nos. boilers as per site situation with following specification: -. tube o.d - 63.5 mm, tube thickness - 4.06 mm each tube length - approx. 10.200 mtr, total no. of tubes = 80 x 2 boilers tube material = bs 3059 gr-320 part-1 (erw) make- ti/ tata/ msl , supply, dismantling, fabrication and erection of boiler side wall nipples/stubs as per site situation with following specification: - stubs/nipple o.d - 63.5 mm, thickness - 4.47 mm (7 swg) nipple length =200 mm(approx), total nipple of both boilers= 272 x 2 boilers, material of nipple/ stubs =bs 3059 gr-320 part-1 (erw) , supply and job work of all refractory civil work of above re-tubing and baffles work etc. i.e. with fire cement, castable refractory, fire clay, fire bricks and fire blocks etc. for both boilers as per drawing no. hb/pp/148a/or as per site situation.