Replacement of Borewell accessories and distribution line at ward areas in ward no 52 East zone

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.

Flushing of borewell of 6" dia 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 Officer etc., complete

Drilling of borewell 150 mm dia vertical bores depth as directed by the departmental officers including labour charges for inserting causing pipe assembling in the drilled holes including welding, jointing, grouting the casing pipe etc., including transportation etc for borewell.

Supply and delivery of the following materials approved brand as per list with ISI marking and an approved by Corporation officers.

50 mm GI pipe ‘B’ class ISI mark

50 mm GI Bore coupling

50 mm dia GI coupling

50 mm dia GI Elbow

50 mm dia GI Bend

50 mm dia GI Union

50 mm dia GI Hex Nipple

50 mm dia GI Dummy

63mm dia PVC pipe of 6kg/cm2

63 mm dia PVC elbow

63 mm dia PVC Tee

63 mm dia PVC coupling

63x20 mm dia PVC saddle

63 mm dia PVC end cap

63 mm dia FTA

20 mm dia UPVC pipe

20 mm dia UPVC elbow

20 mm dia UPVC Tee

Supply and fixing GM Non Return valve including cost of labour charges etc., complete

Supply and fixing GM gate valve including cost of labour charges etc., complete

Supply of 4 mm2 3 core copper, PVC insulated flat cable.

Supply and delivery of clear water vertical wet type submersible pumpset 7.50 HP suitable for 150mm dia borewell conforming to IS 8034/2002 as amended thereafter and BEE 3 Star Rated capable of discharging noted LPM against head of water column due to all causes. The pump shall be with stainless steel shaft and dynamically balanced bronze or Cast SS impeller, brass screws and CI FG 200 grade pump bowl/diffuser with ISI mark. The pump shall be directly coupled to a continous rated two pole suitable wet type vertical squirrel cage induction motor as per IS9283 /1995 as amended there after, suitable for operation in AC three phase 415 V+/- 10 %, 50 HZ +/- 5 %

Re-erection of centrifugal pumpsets, jet pumpsets and its accessories into the borewell/ openwell after attending the repairs 50% of the rate mentioned under item 17 (a), (b) and (c) may be allowed for respective Horse power.

Providing BT road cutting for pipe line as per the direction of departmental officers etc. completed.

Earth work excavation in all soils with initial lead & lift etc. complete as per direction of departmental officers including Refilling.

Laying of G.I. Pipes and specials to proper line and level including jointing but excluding cost of pipes and jointing materials for plumbing works for providing water supply

Laying of PVC Pipes and specials to proper line and level including jointing but excluding cost of pipes and jointing materials for plumbing works for providing water supply

Supply and fixing of 7.50 HP panel board of 3 phase star Delta with two level Guard and Auto start as per Dept instruction etc. complete

Supply and delivery of the following Electrical items approved brand as per list with ISI marking and an approved by Corporation officers.

7x20 copper wire

Arial Board for EB Box

EB service pipe set (32 mm dia GI B class 3 mtrs length)

32 mm GI A class pipe 1 mtr length for Earthing

Add :- GST @ 18%

M RAMARAJ (BID ID -1148591)