Depthening and Flushing of Bore well and replacement of Submersible Motor at Raman Street in ward no 36

Amount

Removal of centrifugal pumpset/ jet pumps/ submersible pumpsets and its accessories from borewell/ open well for attending repairs 50% of the rates mentioned under item 17 (a), (b) and (c) may be allowed for the respective Horse power.

Rate for flushing of borewell of 6" dia requiring less than 4 hours operation using drill rods/ hose with required size of pipes for various capacity compressor including transportation, labour, and fuel charges for compressors as directed by the TWAD Officer and conducting yield test by 'V' notch method if required. 600 Cfm ( 100 /150 PSI)

Supply and Fixing of 7.5 HP Motor Submersible Pump set ISI mark IS 8034Without panel board 75LPM and 60M Head including Fixing Charges and all Charges etc. Complete.(Rate with TNVAT @4% on Basic cost Excise Duty)

Labour charges for the erection of submersible pumpset in borewell/ openwell including fixing and jointing submersible cable with proper clamps upto the starter to required depth and also fixing of riser pipes to the required depth valves erection clamps, pressure gauges upto the exterior wall of pump room and erection of panel board consisting of TPICN switches starter, Voltmeter, Ammeter, three pilot (indicating) lamps capacitor single phasing preventor, water level guard and laying and jointing the cables and twin earthing as per IE rules etc., complete and testing the pumpset and trail run for 10 days.

Supply and delivery of suitable 3 phase panel board to 5HP with DOL Starter Auto On/Off Switch etc.,

Supply and Delivery of 2.5 Sqmm PVC insulated and Sheathed 3 Core flat type copper cable confirming to IS 694/1990 Including all charges with excise duty and handling charges etc

Drilling of 200mm dia bore wells any where is chengalpattur district including tranportion from one place to aother place with in this district in alluvial soil or sedimentrary starata using rotary rig by first drilling a pilot bore of 150 mm dia by direct rotary mud circulation method using contractors rig tool fuel, labour drillng bentonite mud and water required for drilling,

Drilling 150mm dia pilot bore up to 120 m to 150 m from Ground level.

Drilling 150mm dia pilot bore up to 150 m to 180 m from Ground level.

Drilling 150mm dia pilot bore up to 180 m to 210 m from Ground level.

Supply and delivery of 150mm dia of (Casing medium) PVC casing Slotted pipe ( Company Slots) including cost and conveyance at site etc., complete as per standard specification ISI make (Twad S no 1.1 pg.no 22)

Supply and delivery of 150mm dia of (Casing medium) PVC casing plain pipe including cost and conveyance at site etc., complete as per standard specification `(Twad S no 1.1 pg.no 22)

Labor charges for inserting the P.V.C. casing pipes assembly with slots (or) without slots in the drilled holes including joining the pipes etc., complete, supply and packing the annular space with pebbles of size and quality as approved by the Municipal Engineer excluding cost of casing pipe etc., complete 150mm dia PVC casing pipe (Twad Sor 12.e pg.no 304)

Supply, delivery and fixing of the following ISI make water supply materials including all labour charges etc., complete

2" dia pvc bend (Sor s no 395 c pg no 100)

2" dia G.I Elbow (Twad s no 5.16 pg no 44)

2" dia G.I Union (Twad s no 5.16 pg no 44)

2" dia gate valve (Twad s no 5.2 pg no 45)

2" U Pvc Pipe (Twad s.no3(6) pg no 24)

2" dia pvc pipe (Sor s no 394 pg no 99)

2" dia pvc Tee (Sor s no 395d pg no 100)