repairing, providing and fitting of central heating and allied items in community medicine block, various floors of nursing college etc- 1 repairing, providing and fitting of central heating and allied items in community medicine block, various floor of nursing college etc by way of.providing, laying, fitting, testing and commissioning of hot water piping of m.s. “c” class erw pipes including fittings such as bend, flanges, gaskets, nuts and bolts etc. for supply, return and rain of below mentioned dia. the pipes are to be connected with the convectors in first floor in different rooms. the pipe work shall be supported by hangers, brackets made out of various structural steel section isa 40x40x5mm as per site requirement fixed with walls by means of metallic dash fasteners. the job also includes painting of pipes and structural supports with two coats of red oxides primer followed by two coats of enamel paint. 2 25mm dia 3 20mm dia 4 providing and fixing of heat convectors fabricated out of copper pipe of 25 of 32mm dia with ms flanges of respective dia and aluminum fin of size 100x100mm, all fitted and hooked ( 4to5fins per inch of pipe length ) . the shield should be of 16 to 18swg duly powder coated and painted 5 2000kcal / capacity. 6 providing and fixing of aluminum cladding of 28 swg sheet to the glass wool tied pipe lines including bends etc. the job includes grooving providing and fixing of screws, washers etc. 7 25mm dia 8 20mm dia 9 providing and fitting of ball valves of following size. 10 25mm dia 11 20mm dia 12 providing, welding and fitting of m.s. flanges of suitable thickness of reputed make including nuts, bolts, gaskets and other jobs as per requirements at site of work. 13 25mm dia 14 20mm dia 15 providing and fixing of m.s elbows of following sizes with allied jobs as per site requirements. 16 25mm dia 17 20mm dia