Construction of PWS Scheme at Nipani, Tal. Jaoli, Dist- Satara

Subwork No.1 - Rectangular Chamber-I

Item No.1 Excavation for foundation / pipe trenches in earth, soils of all types, sand, gravel and soft murum, including removing the excavated material upto a distance of 50 metres and lifts as below, stacking and spreading as directed, manual dewatering, preparing the bed for foundation and excluding backfilling, etc. complete. Lift 0-1.5m

Item No.2 Providing and laying in situ Cement concrete M-15 of trap or granite or quartzite or gneiss metal for foundation and bedding including dewatering, form work, compacting, roughening them if special finish is to be provided, finishing if required and curing etcetera complete. PCC M-150

Item No.3 Providing and casting in situ c.c. of trap/ granite/ quartzite/ gnesis metal of approved quality for RCC works as per detailed drawings and designs or as directed including normal dewatering, centering, form work, bally, steel propups, compaction, finishing the formed surfaces with C.M. 1:3 of sufficient minimum thickness to give asmooth and even surface whereever necessary or roughening if special is to be provided and curing etc. complete ( By weigh batching and mix design for M-250 and M-300 only. Use of L&T, A.C.C. Ambuja, Birla Gold, Manikgad, Rajashree, etc. cement is permitted.)( Excluding M.S. reinforcements)

Item No.4 Providing and fixing in position steel bar reinforcement of various diameters for RCC pipes, caps, footings, foundation ,slabs, beams, columns, canopies, staircases. newels, chajjas, lintels, pardies, copings, fins, arches, etc. as per detailed designs, drawings and schedules; including cutting, bending, hooking the bars, binding with wires or tack welding and supporting as required, etc. complete. (including cost of binding wire) Tor Steel

Item No.5 Refilling the trenches with available excavated stuff with soft material first over pipeline and then hard material in 15 cm layers with all leads and lifts including consolidation, surcharging, etc. complete.

Item No.6 Valve chamber with cast iron manhole frame and covers Providing and constructing B.B. masonry valve chamber with 15 cm thick 1:3:6 proportion PCC bedding, excluding excavation, B.B. masonry in CM 1:5 proportion, 12 mm thick cement plaster in CM 1:4 proportion on both sides with providing and fixing C.I. manhole frame and cover in RCC 1:2:4 coping or RCC 1:2:4 proportion x 15 cm thick slab, etc. complete as directed by Engineer-in-charge As above of 90 x 60 cm internal size and depth upto

RECTANGULAR CHAMBER - II Item No.1 Excavation for foundation / pipe trenches in earth, soils of all types, sand, gravel and soft murum, including removing the excavated material upto a distance of 50 metres and lifts as below, stacking and spreading as directed, manual dewatering, preparing the bed for foundation and excluding backfilling, etc. complete. Lift 0-1.5m

Item No.2 Providing and laying in situ Cement concrete M-15 of trap or granite or quartzite or gneiss metal for foundation and bedding including dewatering, form work, compacting, roughening them if special finish is to be provided, finishing if required and curing etcetera complete. PCC M-150

Item No.3 Providing and casting in situ c.c. of trap/ granite/ quartzite/ gnesis metal of approved quality for RCC works as per detailed drawings and designs or as directed including normal dewatering, centering, form work, bally, steel propups, compaction, finishing the formed surfaces with C.M. 1:3 of sufficient minimum thickness to give asmooth and even surface whereever necessary or roughening if special is to be provided and curing etc. complete ( By weigh batching and mix design for M-250 and M-300 only. Use of L&T, A.C.C. Ambuja, Birla Gold, Manikgad, Rajashree, etc. cement is permitted.)( Excluding M.S. reinforcements)