REPAIR AND MAINT OF EXISTING PUMPING AND RAISING WATER SUPPLY PIPE LINES AND ITS ALLIED WORKS AT ZAKHAMA MILITARY STATION

Amount

Excavation in trenches not exc 1.50 m wide and not exc 1.50 m deep for foundation, laying of pipe or for shafts, wells cesspits,man holes etc not exc 10 Sqm on plan and n exc 1.5m in depth and getting out in hard/dense soil complete all as specified and as directed.

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

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

Taking up 150mm bore CI/DI water main including all fittings with any type of joint from trenches complete all as specified and as directed. (Note: Exacavation and earhwork shall be measured and paid for separately.)

Taking up 100mm bore CI/DI water main including all fittings with any type of joint from trenches complete all as specified and as directed. (Note: Exacavation and earhwork shall be measured and paid for separately.)

Supply and lay 150mm bore tubing ISI Marked conforming to IS 1239 Part-I 2004, medium grade galvanised with all fittings specials such as bend, elbows,tees, short pieces connection, back nuts, pieces, caps, plugs and unions, threading work if required etc laid in trenches complete all as specified and as directed. Note: Excavation and earth work will be measure and paid seperately under relevant item of this schedule.

Supply and lay 100mm bore tubing ISI Marked conforming to IS 1239 Part-I 2004, medium grade galvanised with all fittings specials such as bend, elbows,tees, short pieces connection, back nuts, pieces, caps, plugs and unions, threading work if required etc laid in trenches complete all as specified and as directed. Note: Excavation and earth work will be measure and paid seperately under relevant item of this schedule.

Laying only old serviceable GI tubings and connections, 150 mm bore, with all fittings, in new or old position, in trenches, obtain from taking out of old tube complete all as specified and as directed.

Laying only old serviceable GI tubings and connections, 100 mm bore, with all fittings, in new or old position, in trenches, obtain from taking out of old tube complete all as specified and as directed.

Cutting CI/DI pipes upto 150 mm bore and reducing to required length before laying, in position for insertion of new tees, branches, etc complete all as specified and as directed. Note- The rate for earth work and new specials and pipe will be paid seperately under respecitve items of the schedule.

S&F threaded GI Flanges of dia 100 mm with rubber gaskets, nuts & bolts, washers and welding, complete all as specified and directed. Note: Threading of tube if required, deemed to included in quoted rate.

S&F threaded GI Flanges of dia 150 mm with rubber gaskets, nuts & bolts, washers and welding, complete all as specified and directed. Note: Threading of tube if required, deemed to included in quoted rate.

S&F 100mm bore CI Double Orifice Kinetic Air Valve, Rubber Float, IS:14845, ISI Marked, Type DK, Flanged End with necessary connection with existing ,including taking down old valve Complete all as specified and directed. Make-Kartar/Zoloto/Kirloskar/ Leader

M&L for Carry out Laboratory analysis water sample test of treated/untreated drinking water in respect of Bacteriological, Chemical and Physical property and the report to be submitted to department same as received from laboratory. Note:- The Laboratory test shall be carried out to RRL Jorhat/ Govt testing lab in Kohima/ Nagaland/any Govt college of nagaland and or as directed by Engr-in-Charge. Note : (i) Sterlized bottle and Transportation deemed to be including in the quoted rate.

Supply, laying and jointing of centrifugally cast (Spun) ductile iron pressure pipes with socket and spigot end , Dia 100 mm , class K-9, confirming to IS 8329/2000 (latest revision) -blast furnance slag cement with portland cement properties suitable for push-up jointing with inside cement mortar lining with internal zinc mettalic coating and external black biuminous coating , duly ISI marked and making joints using EDPM/ nitrile rubber gaskets in trenches/under road/surface/ UG etc. and complete all as specified and directed. Rates are inclusive of EDPM/ nitrile rubber gaskets. Note : Excavation and earth work will be paid seperately under repective item of the schedule.

Laying only and making joints for existing serviceable , CI/DI pipe 100 mm bore, class LA, spigot and socket ends and testing complete all as specifed and directed.Rates are inclusive of EDPM/ nitrile rubber gaskets. Note : (a) Excavation and earth work will be paid seperately under repective item of the schedule.

S&F Specials for Spigot and socketed DI pipes as per IS 9523/2000, class K-12, PN-10, inside cement mortar lining with internal zinc mettalic coating and external black biuminous coating for replacing the damaged /unsv CI/GI fittings ,bends(any type any radius/angle) straight,bend,increasing or decreasing double sockets) Tee pieces single branch, cross(all sockets and spigot collars etc) for the 80 to 200 mm dia of pipes and complete all as specified and as directed.

commercial enterprises (BID ID -3085012)

Rameshwar Prasad (BID ID -3078892)