REPAIR /REPLACEMENT OF CORRODED PIPE LINE AND CONNECTED ITEMS AT CERTAIN LOC OF NAA UNDER GE (N) TEZPUR

Amount

Excavating in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. or for cable laying or water supply pipes lines etc or not exceeding 10 sqm on plan and getting out in soft/ loose soil complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm in soft/ loose/ hard/ dense soil complete all as specified and as directed.

Removing excavated material (soils) not exceeding 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.

Supply, laying, jointing and testing of Ductile iron (DI) pipes 150 mm bore with spigot and socket ends, centrifugally cast, class K-7 as per IS:8329-2000 and other relevant standards including material and labour for push on EPDM/SBR Rubber gasket joint in any length laid in trenches complete all as specified and as directed. (Note :- DI fittings and earth work will be measured and paid under relavant item of this schedule)

Supply, laying, jointing and testing of Ductile iron (DI) pipes 100 mm bore with spigot and socket ends, centrifugally cast, class K-7 as per IS:8329-2000 and other relevant standards including material and labour for push on EPDM/SBR Rubber gasket joint in any length laid in trenches complete all as specified and as directed. (Note :- DI fittings and earth work will be measured and paid under relavant item of this schedule)

Material and labour for CI/DI fittings such as Bends, Tapers, Tees, Branch (Single or double branch), connecting pieces etc., any type and angle/ radius etc., confirming to IS 9523-2000 for DI Pipe upto 200 mm bore including taking out old u/s complete all as specified and as directed

Material and labour for fixing gun metal gate valve 50 mm bore ISI marked, conf to IS complete including taking out old u/s any type valve all as specified and directed by Engr in charge. Note: Union or long screw have to provided before fixing of ball valve if required complete all as specified and directed.

Material and labour for fixing gun metal gate valve 25 mm bore ISI marked, conf to IS complete including taking out old u/s any type valve all as specified and directed by Engr in charge. Note: Union or long screw have to provided before fixing of ball valve if required complete all as specified and directed.

Supply and fix cast iron sluice valve 150 mm bore with stainless steel spindle and cast iron hand wheel complying with IS : 14846-2000, class PN 1.6 both ends flanged with 2 Nos rubber gasket joints, nuts, bolts & washers of required size & Nos complete including removing of old unserviceable one complete all as specified and as directed

Supply and fix cast iron sluice valve 100 mm bore with stainless steel spindle and cast iron hand wheel complying with IS : 14846-2000, class PN 1.6 both ends flanged with 2 Nos rubber gasket joints, nuts, bolts & washers of required size & Nos complete including removing of old unserviceable one complete all as specified and as directed

M&L for construction of valve chamber in replacement 1200 x 1200 x 1200 mm internal dimensions, 3 mm thick MS sheet cover with 2 Nos MS hinges welded to angle iron frame of 40mm x 40mm x 5 mm thick with lifting hook and locking arrangement complete with necessary earth work, brick work in CM (1:6), 230 mm thick, PCC bed (1:4:8) type D2 150 mm thick, cement plastering, finishing 15 mm thick in CM (1:4) and applying a coat of black bituminous paint to the steel surfaces including demolation/ dismantling and removal of old unserviceble valve pit (Rate of demolation and removal of old unserviceble item is included in quoted rate) all as specified and directed at site.

Material and labour for horizontal boring under roads/path for insertion of pipes upto 150 mm bore by manual drilling complete all as specified and as directed.

Labour only for cutting of CI/DI/GI pipe 50 to 150 mm dia carefully in position for repairs or inserting fittings such as bend, tee, reducer, socket pieces, coller etc, complete all as specified and as directed.

MD. LATIFUL AHMED HUSSAIN

M/s R S ENTERPRISE

KULA PRASAD GOHAlN

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