supply of errection and fabrication of prefab shelter of puf panels barrack 9.76 mtr feet x 5.50 mtr feet- with 1.52 mtr -5.00 feet- verandah -as per gem drawing- including electrification, painting and all other fittings over plinth constructed by department. as per layout drawings conforming to gem drg. no. 1 to drg. no. 12 and perspective view of roof with arrangement of purlins and columns for shelter - roof - doors - windows - ventilators with constructional details of the main structural members - as per gem drg