Construction of 3Nos Additional New Bore wells and Motors in Kamandala Naganathi Pumping Station in Arani Municipality

Amount

Conducting Geophysical survey, quality and quantity test and transportation charges etc, (This includes labour charges in the field, rent of the vehicle for reaching the place, rent of the instrument and excluding charges for the geologist)

Drilling of Borewells anywhere in Tamilnadu including transportation from one place to another with in Tamilnadu in alluvial soil sedimentary strata of clay and sand stone shale pebbles boulders etc. By first taking a pilot bore of 140 mm/150mm dia and then enlarging to required dia direct or reverse rotary mud circulation method using rotary rigs, fuel, labour and drilling bentonite and water required for drilling at site ( Site will be shown by the TWAD Board Officers) including construction of mud pit.

Supply and delivery of unplasticised ribbed screen PVC casing pipe of the 10" dia in 3m length with screwed and socket end and centering guide for every 15m length of pipes as per IS / 12818 / 1992 and as amended from time to time to suit the borewell upto 80m depth (C.S) with ISI marking including, loading, unloading , freight, stacking and transit insurance charges etc, complete.

Supply and delivery of unplasticised ribbed screen PVC casing pipe of the 7" dia in 3m length with screwed and socket end and centering guide for every 15m length of pipes as per IS / 12818 / 1992 and as amended from time to time to suit the borewell upto 80m depth (C.S) with ISI marking including, loading, unloading , freight, stacking and transit insurance charges etc, complete.

Supply and delivery of clear water vertical wet type submersible pump suitable for 100mm 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 continuos rated two pole suitable wet type vertical squirrel cage induction motor as per IS9283 /1995 and as amended there after, suitable for operation in AC three phase 415 V+/- 10 %, 50 HZ +/- 5 %

Supply and fixing of 50mm dia UPVC - Column pipe for submersible pump in Bore well class - 5 1MPa or 10Kg /sqm pressure. The rate shall inclusive of all labour charges and freight charges etc, complete.

Supplying and fixing of PVC insulated and sheathed 3 core 4sq.mm Flat type Copper cable cofirming to IS 694/ 1990 and including cost and conveyance of all materials to site and labour charges etc, complete as per standard specification.

Labour charges for the erection of submersible pump set in bore well/open well including fixing and jointing submersible cable with proper clamps up to the starter to required depth and also fixing of riser pipes to the required depth valves erection clamps, pressure gauges up to 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 preventer, water level guard and laying and jointing the cables and twin earthing as per IE rules etc., complete and testing the pump set and trail run for 10 days.

supply and delivery of Nylon Rope for Bore-well including cost and conveyance of materials etc., complete PWD SOR Pg.No.112 M- 1072

Supplying laying 50mm dia G.I. Pipes of approved quality and best varity of B Class pipe of the following sizes including fixing G.I specials but excluding cost of such specials cutting threading of pipes etc., Complete. including cost and conveyance of all materials to site and labour charges etc, complete as per standard specification.

Supply and fixing of following Plumbing G.I. SPECIALS AS PER IS 1239/ PART II materials in water supply arrangements (both in internal and external water supply arrangements including cost and conveyance of all materials to site and labour charges etc, complete as per standard specification.

50mm dia G.I coupling

50mm dia G.I Tee

50mm dia G.I Elbow

50mm dia G.I Bend

50mm dia G.I union

Mild steel clamp set

Bore cap using M.S. Flat of size 1 cm x 3 mm and M.S. sheet on top with bolting arrangements for securing the cap in position (Bore caps with M.S. Couplings need not be made)

Add GST 18%

Usharani (BID ID -1280959)