PROVIDING DEEP BOREWELL FITTED WITH POWER PUMP AND SYNTAX TANK AT SOUTH MAIN STREET IN WARD NO 23

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.(TWAD SOR 25-26/WD-W0783)

From 60 mts to 90m(TWAD SOR 25-26/WD-W0784)

From 90 mts to 120m(TWAD SOR 25-26/WD-W0785)

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.(TWAD SOR 25-26/WD-W0805)

From 60 mts to 90m(TWAD SOR 25-26/WD-W0806)

From 90 mts to 120m(TWAD SOR 25-26/WD-W0807)

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(TWAD SOR 25-26/WD-M0032)

Unslotted PVC pipe(TWAD SOR 25-26/WD-M0031)

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. (TWAD SOR 25-26/WD-W0772)

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. (TWAD SOR 25-26/WD-W0833)

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) (TWAD SOR 25-26/WD-M1681)

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 (TWAD SOR 25-26/WD-M1918)

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. (TWAD SOR 25-26/WD-M1976)

Supplyandfixingof100ATPNsheetdoublebreakswitchwithHRCfuseandneutralonsuitableangleironframeworkwith MS cable entry boxes and with PWD earthing SD-152

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. (TWAD SOR 25-26/WD-M0053)

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 )(TWAD SOR 25-26/WD-W0873)

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

Post to Metre Board (9/16)

b) 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

Earth work excavation for foundation by manual means for RR/Brick and Other step type footings for Load bearing structures in all soils and sub-soils and to full depth as may be directed except in rock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary and depositing the surplus earth within the compound in places shown by the departmental officers with an initial lead of 10 mts and initial lift of 2.00mts. and clearing and levelling the site, etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and filling in foundation, basement, etc with filling crushed stone sand in layers of not more than 15 cm thick well watered, rammed and consolidated etc. complete complying with standard specification and as directed by the departmental officers

Cement Concrete 1:5:10 (One Cement, Five crushed stone sand and Ten hard broken stone jelly) using 40 mm gauge hard broken granite stone jelly for foundation including dewatering wherever necessary and laid in layers of not more than 15 cm thick well rammed, consolidated and including curing etc. complete complying with standard specification and as directed by the departmental officers -Mixing by mechanical means

Brick work in following Cement Mortar using best quality Burnt Clay Brick of size 9” x 4 3/8” x 2 3/4” with class designation of 7.5 conforming to IS 1077-1992 for foundation and basement including Cost of Mortar Plasticizer curing, etc.,complete complying with standard specification and as directed by the departmental officers. Brickwork shall be done as per IS 2212-1991 adopting English Bond generally.other type of bond shall be done as directed by the Executive Engineer in charge

Plastering with Cement Mortar 1:5 (One cement and Five Plastering sand), 12mm thick in all floors including mortar plasticizer at 200ml per 50Kg of cement used, curing etc. complete complying with standard specification and as directed by the departmental officers.

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.

Flooring with Cuddapah slab of 50mm thick,over a bed of concrete 100mm thick and pointed with Cement Mortar (1:3)

White washing two coats with freshly burnt white shell lime in all floors including cost of lime, blue powder fevicol type gum, brushes, scaffolding charges, etc., complete complying with standard specification and as directed..

Painting New Plastered Wall Surface with One finishing coats of ready mixed (Emulsion) of approved quality and colour over one coat priming coat in all floors including the cost of primer etc., complete complying with standard specification and as directed by the departmental officers. (The make, quality and colour of paint should be got approved by the Executive Engineer before use on works.)

Painting new iron works such as steel doors, windows, ventilators, window bars, balustrades etc., with Three coats of best approved first quality and colour of synthetic enamel paint over the existing red oxide priming coat in all floors excluding cost of priming coat etc., complete complying with standard specification and as directed by the departmental officers. (The make, quality and colour of paint should be got approved by the Executive Engineer before use on works.)

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.

Wiringwith2x1.5sq.mm.PVCinsulatedSCunsheathedFRLScopperconductorof1100VgradeinsuitablePVCrigidpipeconcealedinwallandceilingwithPVCaccessoiresinflushwithwallwith3mmthickhylumsheetcoverwithTWswitchboxand5AFTswitchandmakinggoodoftheconcealedportionwithsuitablecolourforPVCconcealedlight(6points per coil) (for rooms like bath, toilet & pumproom, etc.).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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