Water Supply Scheme for Sutrakar Government Ashramschool, Taluka - Talasari Dist - Palghar.

R.C.C. Jack Well (6.00m X 10.0m) Item No.1 Providing, constructing coffer dam in river basin / dam storages as per type design including excavation, filling, the middle portion with B. C. soil (in gunny bags if requried). Providing impervious / semipervious materials on both side of B.C. soil (in gunny bags if required) including ramming, compacting to the satisfaction of Engineer-in-charge, till the complction of work including dismantling coffer dam after completion of works and disposing off the material as directed by the Engineer-in-charge. Lift 0.00 M to 1.50 m

Item No.2 Excavation in general in soft material comprising of soft soil, soft murrum, sand, hard murum with boulders in wet or dry condition for Head Works I.e. intake well, connecting pipe Jack well, pump House, supply well etc. for lift'0 to 1.5 M & lead 'of 1.50M including barricading, guarding, depositing oft surplus excavated stuff within a radius of 0.5km as directed by Engineer-in-charge-,etc 'complete excluding refilling. Lift 0.00 M to 1.50 m

Lift 1.50 M to 3.00 m

Lift 3.00 M to 4.50 m

Item No.3 Excavation in general in hard material comprising of soft rocks, hard rock, manjara rock etc. by blasting / controlled blasting ,chiseling as re-quirked in wet or dry condition for head works I. e. 'intake well connecting pipe, jack well ,pump 'house supply well, etc. for lift 0 to1.5M and lead of 1.50M including barricading, guarding depositing off surplus excavated stuff within a radius 'of 0.5 km as directed by Engineer -in-charge excluding refilling. Lift 4.50 M to 6.00 m

Lift 6.00 M to 7.50 m

Lift 7.50 M to 9.00 m

Lift 9.00 M to 10.50 m

Item No.4 Providing and laying in situ Cement concrete in proporation .... of trap metal for foundation and bedding, including balling out water manually, formwork, compacting and curing etc. complete.

Item No.5 Providing & costing in constructing in situ. C.C of trap granite/ quartzite / gneiss/ metal of approved quality of R.C.C. work as per detailed drawing & design or as directed by Engg. in charge including dewatering , ceterind from work,compacting, finishing the formed surface with C.M. 1:3 of sufficient minimum thickness to give a smooth & even surface wherever necessary or roughening if spetial finish is to be provided & curing etc. complete. ( By weight batching & mix design for M-250 & M-300 only use of L&T, ACC Ambuja, Birla Gold, Manikgad, Rajashree etc. cement is permitted excluding M.S or Tor reinforcement in R.C.C. M-200grade. 1) R.C.C. M-250 for Beam