Providing 200mm dia Borewell arrangements With 5HP Submersible Motor At Thatcher Street (Near RR Park) and Pipeline Extension in Veppathur Town Panchayat

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/200mm 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. Upto 60 mt. Depth ending below ground level

(b) From 60 m upto 90 m Depth ending from gl

Reaming 140/150/200mm dia pilot bore to 300mm dia bore as directed by the TWAD Board Officer. Upto 60 mt. Depth ending below ground level

From 60 m upto 90 m Depth ending from gl

Supply of the following casing pipes of ISI approved quality with wall thickness not less than 7.5mm to 8.5mm with PVC couplers and cement Paste etc. Complete and including packing the annular space with pebbles quality and size of pebbles and the PVC pipe should be approved by the departmental officer.TWAD P-17 Plain Pipe CM

Ribbed screen pipe

200mm dia OD PVC end cap

Labour Charges for inserting 150 mm/200mm/250 mm dia (M.S. Casing pipes assembly with slots or with out slots) in the drilled hole including welding the joints etc., complete and supplying and packing the annular space with pebbles of size and quality as approved by the Executive Engineers of TWAD Board.

Charges for developing the Borewell with air compressor of 600 CFM capacity (Minimum 8 Hours) including transportation, labour and fuel charges for compressor as directed by TWAD Officers and conducting yield test by 'V' notch method.

Supply and delivery of clear water vertical wet type submersible pumpset suitable for 200mm dia borewell conforming to IS 8034/2002 with latest amendments and BEE 3 Star Rated capable of discharging noted LPM against head of water column due to all causes. The pump shall be with stainlesss steeel shaft and dynamically balanced bronze or Cast SS impeller, brass screws and CI FG 200 grade pump bowl/difuser with ISI mark. The pump shall be directly coupled to a continuos rated two pole suitable wet type vertical squirrel cage induction motor asper IS9283 suitable for operation in AC 3 phase 415 V+/- 10 %, 50 HZ +/- 5 % {5HP (50lpm x 175m)} TWAD P-90

PVC INSULATED AND SHEATHED 3 CORE FLAT TYPE 6.0SQ.MM COPPER CABLE CONFORMING TO IS 694/1990 FOR THE YEAR

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 fixing of 63Amps TPN Metal Clad Switch With rewirablr Fuse unit and neutral (Side Handle) on suitable TW Board

Supply and fixing of 80mm GI pipe including cost and conveyance of all materials and labour charges etc complete as per standard specification.

Supply of approved quality (Finol PVC PIPE 90mm 6Kg/CM2 with exise duty as per IS 4985/2000

Earth work excavation and depositing on bank with initial lead of 10 M and lift of 2 M in narrow trenches for laying of pipes for water supply and sewerage works in the following type of soils as directed by departmentel officers.

Lowering PVC/ DWSC rigid pipes and specials to trench and laying to proper grade and alignment, jointing with PVC couplers with cement paste.

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

Earthwork excavation for foundation in all soil and sub soils of full depth an may be directed refilling the sides of foundation with excavated earth in layers not more than 10 cm thick well complying with standard specification depositing the surplus earth with in the compound in places show by the departmental officers with initial leads and clearing and leveling of site etc., complete complying with standard specification.

Supplying and filling fine Mdust in layer not more than of 15 cm thick including water with all layers and consolidation complying with standard specification including cost and conveyance of sand at site and all labour charges and all other incidental charges etc., complete as per standard specifications.

Cement concrete in 1:4:8 (One part of cement, Four part of sand Eight part of ISS gauge HBG metal) using 40mm ISS gauge HBG metal including cost of conveyance of metal from approved quarry at site including cost of cement and all labour watering including mixing dumpling and laying in layer of not more than 15 cm thick and tampering to consolidation curing and all other incidental any complying with standard specification etc., as per T.N.D.SS.No.28.

Brick work in cement 1:5 mix (One part of cement Five part of sand) Using well burnt country brick of size 8 ¾ x2 ¼ x2 ¼ including cost and conveyance of the brick at site including cost of cement and all other incidental charges and labour charges etc. complete for foundations and basement T.N.D.S.S. No: 31.

Plastering with CM 1:5 mix 12 mm thick in all floors complying with including cost and conveyance all materials and labour charges for mixing applying and finishing smooth etc., complete as per standard specification.

Painting two coats of newly plastered wall surface with ready mixed plastic emulsion paint of first class quality and of approved colour over a priming coat including thorough scrapping, clean removal of dirt, and including necessary plaster of paris, putty, wherever required etc., complete complying with standard specification.

Earthing as per the ISI specification with an earth electrode of 2.1mt class 'B' GI pipe of dia not less than 40mm, with copper earth plate of size 125mm x 50mm x 6mm, with necessary funneling arrangements with necessary masonry work and with 38mm RCC cover slab for the brick masonry cost including all costs etc., complete as per standard specification. SD 233

Supply and delivery of MS Kiosk of size 0.75m x 0.45m x 0.75m made up of MS angle of size 50mm x 50mmx 4mm alround covered with 16 gauge MS sheet and kiosk door made up of MS plates of size 25 mm x 3 mm including cutting, welding, grinding, locking arrangements and labour charges etc.,

Supply and fixng of TNEB meter board suitable for 3 phase 63A service connection made up of suitable angle iron frame work of size 2 feet x 1-1/2 feet using angle iron of size 1-1/2" x 1-1/2" x 1/4" rigidly fixed on wall covered with hylem sheet of size 2 feet x 1/2 feet of 6mm thickness with necessary bolts and nuts supports and supply and fixing of 3 Nos. 63A fuse units (500V), 1 No. neutral link, copper earth flat of size 1" x 1/4" with inter connection of EB meter to fuse units by 16 Sq.mm PVC insulated copper wire with earth connection complete - SD 129 PWD Electrical Data

Supply and run of 4 x 6 sq.mm. (84 / 0.3) PVC insulated SC unsheathed copper conductor of 1100V on 7 / 20 GI bearer wire for service connection mains SD 68

Supplying and fixing of GI and pvc specials as follows 80 mm GI Couplers

80 mm GI elbow

80 mm GI union

80 mm GI Hex nipple

80 mm GM Non Return valve

80 mm GM Gate valve

80 mm TEE

80 mm Dummy

80mm ClamP Set

Bore cover

90 mm PVC Couplers

90 mm PVC Elbow

90 mm PVC TEE

V GNANAPRAKASAM (BID ID -1266587)