REPAIR / MAINTENANCE OF EXTERNAL WATER SUPPLY CI / GI / PPR PIPE LINES , VALVES ETC AT ARC, GTC AND SIGNAL UNIT UNDER GE SHILLONG

Amount

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5m deep getting out in soft / loose soil complete all as specified and as directed by Engr in Charge.

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5m deep getting out in soft / disintegrated rock complete all as specified and as directed by Engr in Charge.

Returning, filling in, including spreading, levelling, watering and well ramming in layers n.exc 25 cm thick as in soft/loose soil etc complete all as specified and directed.

Removing excavated materials (soil) to a distance n.exc 50 m and depositing where directed at a level n.exc 1.5 m above the starting point complete all as specified and as directed.

Taking up or down GI steel water tubing with connections including cleaning for refixing or removal from site with all fittings complete all as specified and directed. of following bore(s) of pipe :- (Note :- excavation will be measured and paid separately under relevant items. ) (a) 20 mm bore

(b) All as per item no. 5.00 here in above but of 25 mm bore complete all as specified and as directed.

© All as per item no. 5.00 here in above but of 40 mm bore complete all as specified and as directed.

(d) All as per item no. 5.00 here in above but of 50 mm bore complete all as specified and as directed.

(e) All as per item no. 5.00 here in above but of 80 mm bore complete all as specified and as directed.

Supply , laying and connection in trenches GI tubing , medium grade, including with new fittings such as tee, bend, nipple, socket, reducer, flange, union etc complete all as directed by Engr in Charge of following bore (s) of pipe:- Note - Excavation will be measured and paid separately under relevant items. ) (a) 20 mm bore

(b) All as per item no.6.00 here in above but of 25 mm bore

© All as per item no. 6.00 here in above but of 40 mm bore

(d) All as per item no. 6.00 here in above but of 50 mm bore

(e) All as per item no. 6.00 here in above but of 80 mm bore

Taking up or down cast iron water mains (including all fittings),with spigot and socket ends and lead joints including burning out joints and recovering lead complete all as specified and directed by Engineer in charge of following bore(s) of pipe :-(a) 150 mm bore Note - Excavation will be measured and paid seperately under relevant items. )

(b) All as per item no.7.00 here in above but of 250 mm bore

Re-laying only serviceable CI pipes with new fittings and connection in trenches CI pipes (including all fittings), with spigot and socket ends , medium grade, including fittings such as tee, bend, nipple, socket, reducer, flange, union etc including testing complete all as directed by Engr in Charge of following bore (s) of pipe:- (Note - excavation will be measured and paid separately under relevant item . CI Pipes obtained after taking down against srl item no, 7.00 & 7.01 shall be used under this item) (a) 150 mm bore

(b) All as per item no.8.00 here in above but of 250 mm bore

Supply,laying and testing CI pipes with spigot and socket ends centrifugal cast , B class including all necessary new fittings laid in trenches or floor complete all as directed by Engr in Charge of following bore(s) of pipe:- (a) 150 mm bore (Note - excavation will be measured and paid seperately under relevant item )

(b) All as per item no.9.00 here in above but of 250 mm bore

M& L for cast iron pieces suitable upto 150 mm bore and Connecting pieces one end flanged and other socket or spigot and bell mouth pieces one end flanged other end tapering as bell mouth including taking out old unserviceble CI fitting etc complete all as specified and as directed by Engineer in charge.

M& L for cast iron pieces suitable for 200 mm to 300 mm bore and Connecting pieces one end flanged and other socket or spigot and bell mouth pieces one end flanged other end tapering as bell mouth including taking out old unserviceble CI fitting etc complete all as specified and as directed by Engineer in charge.

M& L for cast iron fitting such as Bends (any type, radius and angle) tapers any type, (straight, bend, increasing, decreasing or double socket etc.) Tee pieces single branch. "Y" junction, double branch, cross (all sockets or socket and spigot) collars, caps and plugs , flanged ends , suitable upto 150 mm bore and including taking out old unserviceble CI fitting etc complete all as specified and as directed by Engineer in charge.

M& L for cast iron fitting such as Bends (any type, radius and angle) tapers any type, (straight, bend, increasing, decreasing or double socket etc.) Tee pieces single branch. "Y" junction, double branch, cross (all sockets or socket and spigot) collars, caps and plugs , flanged ends ,suitable for 200 mm to 300 mm bore and including taking out old unserviceble CI fitting etc complete all as specified and as directed by Engineer in charge.

M & L for Run lead joint suitable for spigot and socket pipes including spun yarn complete all as specified and directed by Engr-in--charge for following bore of pipe including burning of old unserviceable one :- (a) 150 mm bore (Note - Excavation and other related earthwork shall be measured and paid separately relevant item )

(b) All as per item no.14.00 here in above but of 200 mm bore

© All as per item no.14.00 here in above but of 250 mm bore

© All as per item no.14.00 here in above but of 350 mm bore

S&F in repair Gun metal gate / Bronze gate valve class-2 (ISI) marked heavy duty, with iron wheel head, screwed both ends for iron pipe, complete all as specified and directed by Engr-in-Charge for the following bore (s) of pipe:- (a) 20 mm bore

(b) All as per item no.15.00 here in above but of 25 mm bore

© All as per item no.15.00 here in above but of 40 mm bore

(d) All as per item no.15.00 here in above but of 50 mm bore

Supply and fix in repair CI Sluice valve with flanged ends as per IS-14846 PN 1.6 , heavy duty including stainless steel spindle and wheel , ISI marked with nut bolts and jointing material i.e. rubber gasket including testing complete all as specified and directed by Engr-in-charge of following bores :- (a) 80 mm bore

(b) All as per item no.16.00 here in above but of 100 mm bore

© All as per item no.16.00 here in above but of 150 mm bore

© All as per item no.16.00 here in above but of 200 mm bore

M&L for fabrication and necessary lath work for making check nut made out of mild steel iron suitable for 80/100 mm dia CI sluice valve etc including dismantling old unserviceable one etc complete all as specified and directed by Engr-in-charge .

(b) All as per item no.17.00 here in above but of 150 mm dia sluice valve.

© All as per item no.17.00 here in above but of 200/350 mm dia sluice valve.

M&L for fabrication and necessary lath work for making Spindle made out of mild steel iron suitable for 80/100 mm dia CI sluice valve etc including dismantling old unserviceable one etc complete all as specified and directed by Engr-in-charge .

(b) All as per item no.18.00 here in above but of 150 mm dia sluice valve.

© All as per item no.18.00 here in above but of 200/350 mm dia sluice valve.

M&L for cutting of existing road / hard standing / foot path surfaces for laying water tubings and making good to disturbed surfaces with plain cement concrete type B-1 (1:2:4 , using 20 mm graded crushed stone aggregate as in coping / benching including weathering, slightly rounded or chamfered angles and throating, etc including necessary formwork complete all as specified and as directed.

M&L for PCC type D-2 (1:4:8 , using 40 mm graded crushed stone aggregate etc as in foundation , filling and mass concrete etc including necessary formwork complete all as specified and as directed.

M&L for Precast cement concrete block masonry with solid blocks (1:3:6) type C-1 ( using 20 mm graded stone aggregate ) ,exceeding 10 cm in width and set and jointed in neat cement sand mortar 1:6 including demolition of old unserviceable one etc complete all as specified and as directed.

M&L for rendering 15 mm thick cement plaster in neat cement sand mortar 1:4 on fair faces of brick work or on concrete surfaces , finished fair and even without using extra cement etc complete all as specified and as directed.

M/S U.K ENTERPRISE

M/S UTTAM SAHA