miscellaneous electrical and fire fighting works in fire safety management academy, sector 14, rohini, delhi ( sh electrical works ) - 1 sitc of fire hose box ( double door ) ( 900mm x 600mm x 500mm ) 16 gauge including providing & fixing 2 nos. 63 mm dia, 15 m long rrl hose pipe with 63 mm dia male and female stainless steel ( grade 304 ) couplings duly bound with gi wire, rivets etc. conforming to is 636 ( type-a ) and 1 no. 63 mm dia gun metal short branch pipe with 20 mm nominal internal diameter size nozzle conforming to is 903 suitable for instantaneous connection to interconnect hose pipe coupling complete as required complete in all respect etc. as required at site. 2 supplying and fixing single headed external yard hydrant valve with 1 no. 63mm dia. instantaneous fm gunmetal / stainless steel coupling and cast iron wheel, isi marked, conforming to is 5290 ( type a ) with blank gunmetal / stainless steel cap and chain as required at site. ( a ) single headed stainless steel etc