Replacement of damaged drinking water pipe line from backside of switchyard-to-switchyard control room, switchyard toilet, store toilet leading upto STP at BBMB Slapper

Dismantling, disjointing, removal ofG.I. pipe lines, specials, valves and fittings complete in all respects. ( e ) 40 mm internal diametre pipe line.

Dismantling, disjointing, removal of G.I. pipe lines, specials, valves and fittings complete in all respects.(c) 25 mm internal diametre pipe line

Providing and laying, jointing, fixing, testing ISI Marked G.I. Pipe (as per IS1239) B Class, including cost of Specials such as tees, bends, sockets elbow etc., cutting, threading and testing in trenches in the ground complete ( e ) 40 mm i/d

Providing and laying, jointing, fixing, testing ISI Marked G.I. Pipe (as per IS1239) B Class, including cost of Specials such as tees, bends, sockets elbow etc., cutting, threading and testing in trenches in the ground complete ( c ) 25 mm i/d

Providing, fixing and jointing G.I Union Couplings(of approved make with the approval EIC) as per IS 1879 in G.I. Pipe lines complete in all respect. ( e ) 40 mm i/d G.I. Union

Providing, fixing and jointing G.I Union Couplings(of approved make with the approval EIC) as per IS 1879 in G.I. Pipe lines complete in all respect. ( c ) 25mm i/d G.I. Union

Providing, fixing and jointing ISI Marked Gun- Metal peet valves (Heavy Pattern) as per IS 778 with hand wheels, on G.I. Pipe lines laid in the ground or inside buildings including all carriages complete. ( e ) 40 mm i/d Gun Metal peet valve heavy pattern.

Providing, fixing and jointing ISI Marked Gun- Metal peet valves (Heavy Pattern) as per IS 778 with hand wheels, on G.I. Pipe lines laid in the ground or inside buildings including all carriages complete. ( c ) 25mm i/d Gun Metal peet valve heavy pattern.

Providing & placing in position on terrace (at all floor levels) HDPE water storage tanks of approved make (to the approval of Engineer - in-charge) with cover with suitable locking arrangement and making necessary holes for inlet, outlet and over flo pipes but without fittings and base support for tank. (i) Triple Layer Tanks

Providing and fixing in position G.I. Tank Nipple of approved make (to the approval of Engineer-in-charge) in PVC Water storage tanks complete in all respect. (b ) G.I. tank nipple 20 mm i/d

Providing and fixing in position automatic brass Ball Cock in tanks. (B) Brass Ball Cock with rod and Plastic Ball (ii) 20 mm i/d

Excavation by mechanical means(JCB or Hydraulic excavator) in trenches for pipe lines with straight or open cutting in streets or open area including trimming and dressing sides levelling of beds of trenches to correct grade, cutting joint holes, refilling consolidation, watering, including the cost of dewatering of rain water, diversion for traffic, night signals. providing & fixing caution boards, crossing over trenches for access to the houses, watching, fencing, etc. and removal of surplus soil out side/inside the town involving lead upto 15 meter complete in all respect ( a ) Earth work upto 1.5 m. Depth for ( i ) All classes of soil except rocky

Clearing herbaceous wild growth ( a ) Clearingbymanual labour,collectionand disposal of undesirable material