Details: [20.10.5]extra for fixing sluice valves/flap valves socketed or flanged including cartage from stores or nearest railway station to site of works 5. 250 mm i/d [20.11.5]providing and fixing cast iron double flanged swing check type reflux (non return) valves pn-1.6 marked with is:5312 including nuts and bolts marked with is:1363, rubber sheet marked with is:638 etc., carriage loading, unloading, stacking, handling, re-handling etc. complete in all respect to the satisfaction of engineer-in-charge 5. 250 mm i/d [20.63.1]`providing, lowering, laying in trenches, aligning, fixing in position and jointing ductile iron (di) isi marked k-9 grade sands pipes as per 15:8329-2000 (amended up to date), with internal cement mortar lining for potable water with rubber ring (epdm/sbr) joints as per is: 5382-1985 (excluding special accessories) complete including all material, labour, hydraulic testing and commissioning as per technical specifications and as per direction of engineer.note: e/w to be
Sector: Urban Authority