IMPROVEMENT OF LWSS GAMBHAR KHAD SAKROHA KHANDLA GHATTA PART A AND PART B

Amount

Excavation in foundation,trenches (for pipes & pits) up to all depths in all classification of earth work such as pick work,jumper work,saturated soil including bailing and pumping out water, blasting soft/hard rock or chiseling soft/hard rock where blasting is prohibited in all lifts including trimming & dressing of sides, levelling of beds to correct grade i/c shoring/ strutting,planking, timbering & dewatering wherever required, stacking the useable of unuseable material/ soil separately & after excavated soil clear from the edge of excavation returning the excavated soil after laying jointing testing of pipes in trenches in 15 Cm layers including consolidating of each deposited layer by ramming & watering & then disposing of all surplus Excavated soil/unusable material as directed with in all leads & lifts including restoration of unmetalled surfaces to its original condition & including cost of diversion for traffic,night signals, fixing caution boards, crossing over trenches for access to houses, fencing etc. complete in all respect with in all leads & lifts as per the entire satisfaction & directions of Engineer- in- charge.

Laying, jointing and testing in trenches to be levelled, to grades, GI flanged pipes of following diameter and Flange Table, conforming to IS:1239-1990 ( Part-II) having minimum wall thickness and class of pipes specified below, provided and jointed with MS flanges confirming to tables as specified below of BIS 6392-1971, welded at both ends according to relevant BIS standards and detailed specifications complete, with nut & bolts of required sizes, 3mm thick compressed asbestos fiber jointing gasket or synthetic rubber gasket confirming to relevant BIS codes, including all kinds of flanged short pieces, bends, tees & other specials etc made from parent tubes & provided and welded with flanges of tables as applicable for the particular reach as per site conditions, including flushing,cleaning & hydraulic testing of pipe as per directions of Engineer-in-charge. (GI Pipes will be supplied by the department free of cost).

80mm dia (MC) GI pipes from tube well to Sump well, wall thickness-3.60 mm in accordance to FlangeTable -17 (Phase-1 Part-A)

65mm dia (MC) GI pipes from pump house to main storage tank at Ghatta, wall thickness-3.60 mm in accordance to FlangeTable -17 (Phase-1 Part-A)

65mm dia (MC) GI pipes from pump house to main storage tank, wall thickness-3.60 mm in accordance to FlangeTable -28 (Phase-1 Part-B)

65mm dia (MC) GI pipes from pump house to main storage tank, wall thickness-3.60 mm in accordance to FlangeTable -17 (Phase-1 Part-B)

Laying jointing and testing in trenches of GI pipes of Medium class, to be leveled to grades IS marked with circumfrential butt welding of following diameters and class, conforming to IS 1239-1990(Part II ) (latest with up to date amendments), having minimum wall thickness as per class of pipe butt welded at both ends according to relevent BIS including all kinds of short pieces, bends, tees & other specials etc. from parent tubes with butt welding as applicable for the particular reach & of technical specifications as per site conditions including flushing, cleaning & hydraulic testing complete to the best satisfaction of Engineer in charge.( GI pipe will be supplied by the depaprtment free of cost).

65mm dia (MC) GI pipes from pump house to main storage tank at Ghatta, wall thickness-3.60 mm (Phase-1 Part-A)

65mm dia (MC) GI pipes from pump house to main storage tank, wall thickness-3.60 mm (Phase-1 Part-B)

VEENA KUMARI

NIDHI SINGH