bids are invited for 1. ppgi sheet of 1.2mm thick having 175 gsm zinc coating with corrugation depth of 215 mm & covered width of 680 mm with cross corrugation sqm 1431.00 2. base plate and channel size will be min 450 mm x 450 mm the grade of the steel will be yst 345 mpa. each 108.00 3. gable end sheets of same specs of arch panels sqm 297.00 4. fasteners, nuts, bolts, screws, washers nos 8600 5. suitable flashing with 1.0 mm thick pre-coated sheet of matching colour with panels sqm 650.25 6. turbo ventilators of exhaust fan size of 24 inch will be provided with 3 each on gabel ends. nos 6 7. fire extinguisher. supply and construction of plinth of the following capacity of fire extinguisher dry powder type conforming to is 13849 along with its accessories. nos 8 8. preparation of new surfaces of structure roof two coats of synthetic enamel paint over a coat of primer complete all as directed. total quantity : 1