providing air controlling atmosphere facility at various departments in c ward office building- 1 nominal capacity 1.5 tr (4500 kcal / hr. ( 1 indoor unit of 1.5tr & 1 outdoor unit of 1.5 tr ) 2 providing & fixing of platform and m.s. railing for outdoor units of split ac to facilitate smooth access to technician to safely carry out maintenance . 3 providing & fixing of m.s.cage / encloser for 1.0 tr/ 1.5 tr, 2 tr window a.c. & 1.0 tr/ 1.5 tr/2.0 tr split a.c units.. 4 providing & fixing of weather shed for split a.c./ cassette ac 1.0 tr / 1.5 tr / 2.0 tr units. 5 providing & fixing of drain piping as per specification. 6 providing & fixing of refrigerant piping including electrical cabling & earthing as per specification. 7 providing & fixing of boxing to cover refrigeration piping, cabling etc. 8 providing and fixing ms safety grill of weight specifie below for windows as per design including fabricating the grill using m s square 9 20amp sp mcb with 20a ray roll type, 3pin plug & socket with cap & chain etc. 10 16/32 amp. dp mcb 11 1st category al armourd cable 4c x 10sq.mm