PROVIDING DEEP BOREWELL FITTED WITH POWER PUMP AT NARAYANAN COLONY IN WARD NO 22

Drilling of Bore wells any where in Tamilnadu including transportation from one place to another with in Tamilnadu inalluvial soilsed imentary strata of clay and sand stone shale pebbles boulders etc. By first taking a pilot bore of 140mm /150mm dia and then enlarging to required dia director reverserotary mud circulation method using rotary rigs,fuel,labour and drilling bentonite and water requiredf or drilling at site (Site will besh own by the TWAD BoardOfficers) including construction of mud pit.

Upto 60 mts. Depth ending below ground level.

From 60 mts to 90m

From 90 mts to 120m

Reaming from 200mm dia pilot bore to 350m dia bore as directed by the department officer upto 120m depth ending below ground level.

Upto 60 mts. Depth ending below ground level.

From 60 mts to 90m

From 90 mts to 120m

Supplying and delivery of 200mm dia following OD PVC blue casing pipe suitable for medium wells with standard approved quality and make etc., complete as per the instructions of the departmental authorities.

Slotted PVC Pipe

Unslotted PVC pipe

Labour charges for inserting PVC casing pipe (with slots and without slots) in the drilled hole including jointing the pipe with cement paste etc., complete and supplying and packing of annular space with pebbles etc., complete as per standard specification.

Charges for developing the borewells with air compressor of 600 CFM capacity including transportation labour and fuel charges for compressor as directed by the departmental officers and conducting yield test by "V" notch method etc., complete as per standard specification.

Supply and delivery of wet type submersible pumpset as per IS 8034/2002 and IS 9283/1995 suitable to pump 250/125M head with dry run preventor etc., complete as per standard specifications. (15 HP)

Supply and fixing of 3 Phase panel board with star delta with two level guard and auto start etc., complete as per standard specifications (15 HP) including timer facility

Supply and delivery of 6 Sq.mm. PVC insulated and sheathed 3 core flat type copper cable comfirming to IS 694/1990 etc., complete as per standard specifications.

Supply and delivery of 100 AMPS TPN Sheet steel doubler break switch with HRC Fuse and neutral on suitable angle frame work MS cable entry boxes with PWD earthing.

Supply and delivery of power capacitor for power factor improvement with oil filled with discharge resistance 3 phase 415/440V 50 HZ conforming to ISS 2834 with ISI marking etc., complete as per standard specifications.

Supply and fixing of 80mm UPVC Pipe etc., complete as per standard specifications.

Supply and delivery of following specials as per standard specifications.

90 MM dia PVC 6kg/cm2

80MM Reflex valve As per I.S. 5312 / Part I / 84 with Bye pass arrangements(PN-1) With IS Marking .

80mm GI Bend

80mm GI Flange set

Clamp set 80MM dia

200mm dia End cap

200mm dia bore cover plate

20mm dia GI Pipe service pipe

20mm dia GI Bend

80mm dia GI coupling

20mm dia GI Coupling

20mm dia GI Elbow

20mm dia GI Pipe Hex Nipple

100mm CI D/F Sluice valve LAP / Wheel as per IS 14846/2000 PNI with IS marking

Nylon Rope

Earthwork excavation for pipe line in all type of soil and sub soils etc., complete as per standard specifications.Other than loose soil

Refilling the excavated earth into the trench etc., complete as per standard specifications.

Labour charges for the erection of submersible pumpset in borewell/ open well 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 . (Above 10.00 HP to 20.00 HP )

Supply and delivery of VIR wire etc., complete as per standard specifications.

Post to Metre Board (9/16)

Metre Board to Main Switch (7/16)

Supply and delivery of following Electrical accessories etc., complete as per standard specifications.

1/18 SWG Multi Wire

5 Amps flush type Switch

3/20 SWG Multi wire

Earthwork excavation in all soils and subsoils to full depth as may be directed except hardrock requiring blastering inclusive of all shoring, strutting and bailing out water wherever necessary and depositing the surplus earth with initial lead and lift etc., complete as per standard specifications.

Supplying and filling in foundation and basement with filling sand in layers of not more than 15cm.thick well rammed watered and compacted etc., complete complying with standard specification.

Plain Cement Concrete 1:4:8 mix (One cement five sand and ten metal) using 40mm ISS HBG metal including cost and conveyance of all materials and labour etc complete as per standard specifications.

Brickwork in Cement Mortor 1:5 (One cement five sand) mix using country burnt of standard size 8 3/4"x4 1/4"x2 3/4" including cost and conveyance of all materials and labour etc complete as per standard specifications upto basement.

Upto Basement

b) For Superstructure

Plastering in Cement Mortor 1:5 (One cement five sand) 12mm thick including cost and conveyance of all materials and labour etc., complete as per standard specifications.

Supplying and fixing MSSheet door using 10 gauge MS Sheet using MS equal angle frame for outer and inner and cross bracings for stiffness and necessary locking arrangements including 1 coat of redoxide priming cost and conveyance of all materials and labour etc., complete as per standard specifications.

Supply and fixing of Cuddapah slabs of 38/40mm thick over the existing flooring concrete laid in cement mortar 1:3 ( one cement and three sand), 20mm and pointing with the same black oxide mixed cement mortar including polishing etc., complete

White washing two coats using best shell lime including cost and conveyance of all materials and labour charges etc., complete as per standard specifications.

Painting two coat over cement two plastered surface using cement paint of approved quality and colour including cost and conveyance of all materials and labour etc., complete as per standard specifications.

Painting two coat over new iron grill work using synthetic enamel paint of approved quality and colour including cost and conveyance of all materials and labour etc., complete as per standard specifications

Floor Plastering in Cement Mortor 1:4 (One cement four sand) 20mm thick including cost and conveyance of all materials and labour etc., complete as per standard specifications.

Wiring with 2x1.5 sqmm ( 22/0.3) PVC insulated unsheathed SC. Cu. Conductor of 1100 V grade in suitable PVC rigid pipe on wall and ceiling with PVC accessories with TW switch box with 5 A F.T switch inflush with wall, covered with hylum sheet of 3 mm thick with painting of suitable colour for open PVC light ( 6 points per coil ) ( For the rooms like Bath, Toilets & Pump rooms ).SD. 26

Wiring with 2x1.5 sqmm ( 22/0.3) PVC insulated unsheathed SC. Cu. Conductor of 1100 V grade in suitable PVC rigid pipe on wall and ceiling with PVC accessories with 150x100x113 mm TW switch box for 5 A 3pin non interlocking CS plug with painting of suitable colour with continous earth connection of 14 SWG TC wire for open PVC plug point.SD. 36

Supply and fixing of bulk head fitting with guard (Philips/Bajaj/Crompton/K.Lite) suitable for 11W CFL lamp CFL.(SD-83)

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