E2-455-2020-03-Conversion of Defunct borewell into Recharge Borewell at Zone-3 Area in Erode city Municipal Corporation

Amount

Flushing of borewell of 6" dia requiring less than 4 hours operation using drill rods/ hose with equired size of pipes for various capacity ompressor including transportation, labour, and fuel charges for compressors as directed by the TWAD Officer and conducting yield test by 'V' notch method if required -125 Cfm (100 PSI)

Cutting B.T Surface up to 100mm thick including Clearing the defunct borewell site Including Cost of all labour charges and Removing and ClearingB.T Deparies etc complete etc

Cutting and removing the existing MS Casing pipe to the required depth including all labour charges and tool and plant rent etc complete

Supply,delivery and fixing of 150 mm PVC Casing pipe so that it is rigidly pipe including putting holes to the required height as directed by departmental officers.

Supply,delivery and fixing of 160 mm PVC End cap Including cost and conveyance of all materials to site etc complete

Supply,delivery and tying of fine nylon mesh around the casing pipe so that it covers the holes in the outer side of the casing pipe

Earth work excavation in narrow trenches for building foundation and depositing on bank with initial lead of 10m and lift of 2m in hard red earth shales murams gravel mixed with small size boulders and hard gravelly soil complying with standard specification

Centering for soffits of RCC slabs plane surface including strutting upto 3.00m height using mild steel of size 90cmx60cmx10 gauge fitted with MS angle of size 25mmx25mmx3mm laid over silver oak (CW) joists of size 10cmx6cm spaced at 90cm c/c and supported by causrina props of 10cm to 13cm dia spaced at 75cm c/c complying with standard specification

Supplying and fabrication placing in position of M.S. (or) RTS rods for required size and length as directed by the departmental officers approved design including bending cutting tying and cost of binding wire cost and conveyance of all materials to site etc., complete as per standard specification

Reinforced Cement concrete 1:1.5 :3 (one cement, one and half sand & three course aggregate) using 20mm gauge hand broken/ and broken granite stone for all RCC items of works excluding centering shuttering and cost of reinforcement but including curing etc.,complete and also including fixing fan clamps and fixtures in rcc works wherever necessary as directed by departmental officer etc., complete.

Supply,delivery and filling of coarse sand from approved Quarry as filtermedia above the aggregate to required depth Including cost of loading , unlaoding and all labour charges for filling and levelling etc complate

Supply,delivery and filling of Medium sand from approved Quarry as filtermedia above the aggregate to required depth Including cost of loading , unlaoding and all labour charges for filling and levelling etc complate

Supply,delivery and filling of Coarse aggregates 20mm ISS HBG Metal from approved Quarry as filtermedia above the aggregate to required depth Including cost of loading , unlaoding and all labour charges for filling and levelling etc complaten

Supply,delivery and filling of Coarse aggregates 40mm ISS HBG Metal from approved Quarry as filtermedia above the aggregate to required depth Including cost of loading , unlaoding and all labour charges for filling and levelling etc complaten

Refilling with excavated soil (other than sand) complying with standard specification for filling in foundation and basement.

K N Prasanna (BID ID -1124795)