SPL REPAIR/REPLACEMENT OF UNSERVICEABLE/CORRODED WATER PIPE LINES WITH DI AND PPR PIPE LINE IN CAB JCOS/OR OTM ACCN AREA AT NAA UNDER GE (N) TEZPUR

Amount

Excavation in trenches not exc. 1.50 Mtr wide and not exc. 1.50 m deep and getting out in soft/loose soil for laying of pipe line complete all as specified and directed

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm complete all as specified and directed

Removing excavated material to a distance n.exc 50m and depositing where directed at a level not exc 1.5m above the starting point complete all as specified and directed

Taking up/down and removing the corroded GI pipe from trenches of size 100/80mm dia complete all as directed.

Taking up/down and removing the corroded GI pipe from trenches of size 40mm dia complete all as specified and directed

Taking up/down and removing the corroded GI pipe from trenches of size 20mm dia complete all as specified and directed

Taking up cast iron water mains 150mm dia (including all fittings), with spigot and socket ends and lead joints including burning out joints and recovering lead complete all as specified and directed

Taking out existing cast iron sluice valve 150/100mm dia complete all as specified and directed

Supply, laying, jointing and testing of Ductile iron (DI) pipes 150 mm (6") 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 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 complete all as specified and as directed

Supply and fixing 3-layer PP-R pipes SDR 7.4 PN-16 and UV stabilised and antimicrobial fusion welded having thermal stability for hot & cold water supply including all PP-R plain and brass threaded Polypropylene random fittings laid in trenches including all accessories like tees, bends, sockets, unions etc., complete all as specified and as directed of following sizes :- (Note :- Earth work will be measured and paid under relavant item of this schedule)

110mm dia (OD)

90mm dia (OD)

50mm dia (OD)

25mm dia (OD)

Supply and fix PP-R gate valve in replacement (with brass insert) of following size complete including taking down old unserviceable gate valve complete all as specified and as directed

50 mm outer dia

25 mm outer dia

Supply and fix cast iron sluice valve 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 of following bore size complete all as specified and as directed

150 mm (6'') bore

100 mm (4'') bore

M&L for construction of valve chamber in replacement 1200 x 1200 x1200 mm internal dimensions, 6 mm thick MS sheet cover with 2 Nos MS hinges welded to angle iron frame of 40mm x 40mm x 6 mm thick with lifting hook and locking arrangement complete with necessary earth work 230 mm thick, brick work in CM (1:6), 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 dismantling and removal of old unserviceable valve pit remains complete all as specified and directed

Material and labour for providing cement concrete (1:3:6) type C1 for making good of PCC platform, road surface etc (Using 20mm graded aggregate) complete all as specified and directed

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

NOTES :- 1. For the items for which specifications not mentioned any where in the tender, the IRC specifications shall be followed. 2. Unless otherwise specified the rates for PCC shall deemed to include the cost of formwork shuttering etc., required for complete and proper execution of the work. Refer Schedule "A" notes for details.

M/S SR BUILDERS

ADITI CONSTRUCTION CO.

Raj Enterprise

MD. LATIFUL AHMED HUSSAIN

M/S ROY TRADING