supply of op wk stores , supply of operational work stores , puf insulated prefab modular shelter of size 12 . 00 x 6 . 10m with 1 . 50 m wide verandah on front side . all as per brief specification , schedule of structure , drg , att . puf glazing with window and door . all as per drgs and brief specification schedule structure as per mentioned in rfp part-ii appx . , 20 men living shelter dome type . the ruling dimensions of the 20 men living shelter will be 14000x4000x2500mm . the basic structure will consist of ribs made out of 38 mm square hollow structural ms section conforming to is 4923 - 1997 , fitted with base plate and cleat for fixing on grnd and horizontal tie and having suitable holes for fixing purlins . the purlins will be made out of 38 mm square hollow structural ms sections 1129 mm long and conforming to 1493 - 1997 . the side walls and roofing is provided in the form of hollow panels fabricated out of galvanized plain sheets of 22g and filled with high density glass wool blanket for insulation . all as per drgs and brief specification schedule structure as per mentioned in rfp part-ii appx . , puf insulated d/s ( orl ) . puf insulated prefab modular shelter of size 18 . 90 x 6 . 10m including 1 . 38m wide verandah all as per brief specification and stire list with design critiria as follows:- ( i ) wind velocity - 150 km/hrs ( ii ) sesmic zone - iv ( iii ) snow load of roof 1 mtr standing ( iv ) slope - 28 degreeall as per drgs and brief specification schedule structure as per mentioned in rfp part-ii appx .