REPAIR/MAINT OF CI/DI AND GI PIPES OF DIFFERENT SIZES INCLUDING REPAIRS/REPLACEMENT OF SLUICE VALVES, AIR RELEASE VALVE, GATE VALVES, VALVE CHAMBER PITS AT CENTRAL SECTOR UNDER GE 869 EWS.

Excavation in trenches not exceeding 1.50 m wide and n.exc 1.5m in depth for foundation or laying of pipe etc, not exc 10 sqm on plan and getting out in hard/dense soil complete all as specified and as directed.

Returning, filling in, including spreading, leveling, watering and well ramming in layers not exceeding 25cm as in soils complete all as specified and as directed.

Removing excavated materials to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5 mtr above the starting point as in soils complete all as specified and as directed.

Taking up CI/DI water main including all fitting with spigot socket ends and lead/tyton joints including burning out lead joints and recovering lead of the following size of pipe for reuse or deposited to MES store yard complete all as specified and as directed. :- (a) 100 mm dia

(b) 150 mm dia

(c) 200 mm dia

Supply & Laying, jointing, testing Ductile iron pipe with spigot socketed ends centrifully cast, class K9, tyton joints confirming to IS-8329(2000) in any length laid in trenches of the following sizes complete all as specified and as directed. Make :- Electro steel / Electro therm /jindal / Kesoram/Tisco (a) 100 mm dia

(b) 150 mm dia

(c ) 200 mm dia