tender for supply of various type of materials for construction of rooftop rainwater harvesting structure at surjopara ssk under sadlichak gp , upvc pipes (working pressure 4 kg/cm2) single socketed pipe 75 mm dia , upvc pipes (working pressure 4 kg/cm2) single socketed pipe 110 mm dia , upvc bend 87.50 75 mm bend , upvcbend 87.50 110 mm bend , upvc single equal tee (without door) 75x75x75 mm , upvc single equal tee (without door) 110x110x110 mm , 1st class picked jhama bricks(traditional) , portland cement , 1st class traditional bricks (kiln burnt) , coarse sand , stone aggregate(single size):20 mm nominal size , stone aggregate(single size): 10 mm nominal size , carriage of stone aggregate below 40 mm nominal size , loading unloading & stacking sand/ stone aggregate (less than 40mm nominal size) , medium sand , hire charges of shuttering plank (25mm-30mm thick) without prop including all fittings , brick aggregate (single size):40 mm nominal size , gi wire , carriage of steel , tor steel rods/hysd bars/tmt bars , loading/unloading and stacking by manual means of steel , structural members of specified sections weighing less than -22.5 kg./m , display board