S.NO DESCRIPTION UOM QTY RATE AMOUNT "DUCTILE CAST IRON PIPE Ductile cast iron pipes shall comply with AWWA C151, thickness class at least 51 or ISO 2531 of Class k = 9, with a corrosion resistant coating on both internal and external surfaces. As a compliment to this, polyethylene sleeves shall be supplied." 1 300 mm diameter m 50 - 2 300 mm diameter - 90deg Elbow Ea 3 - 3 300 mm diameter - Coupler Ea 6 - 4 350 mm diameter m 70 - 5 350 mm diameter - 90deg Elbow Ea 4 - 6 350 mm diameter - Coupler Ea 8 - 7 400 mm diameter m 40 - 8 400 mm diameter - 90deg Elbow Ea 2 - 9 400 mm diameter - Coupler Ea 4 - 10 450 mm diameter m 36 - 11 450 mm diameter - 90deg Elbow Ea 2 - 12 450 mm diameter - Coupler Ea 4 - 13 500 mm diameter m 25 - 14 500 mm diameter - 90deg Elbow Ea 1 - 15 500 mm diameter - Coupler Ea 3 - 16 750 mm diameter m 23 - 17 750 mm diameter - 90deg Elbow Ea 1 - 18 750 mm diameter - Coupler Ea 3 - 19 800 mm diameter m 30 - 20 800 mm diameter - 90deg Elbow Ea 2 - 21 800 mm diameter - Coupler Ea 3 - 22 800 mm diameter - Equal Tee Ea 1 - 23 1000 mm diameter m 25 - 24 1000 mm diameter - 90deg Elbow Ea 1 - 25 1000 mm diameter - Coupler Ea 3 - 26 1000 mm diameter - Equal Tee Ea 1 - 27 1200 mm diameter m 10 - 28 1200 mm diameter - 90deg Elbow Ea 1 - 29 1200 mm diameter - Coupler Ea 1 - 30 1200 mm diameter - Equal Tee Ea 1 -