15th Finance 2025-26 2nd Installment Providing Deep Borewell With Pump Room at Melanamedu Kudiyana Street Existing OHT Permises in Sholapuram 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

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 150mm 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 % {7.5HP (50lpm x 225m)} 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 63A TPNMC switch on suitable angle iron frame work with MS cable entry boxes with PWD earthing

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

Boring, providing and installing Bored cast-in-situ reinforced cement Concrete pile of specified diametre and length below the pile cap in cement concrete 1 :1.5:3 ( 1 cement, 1 .5 Coarse sand,& 3 graded stone aggregate of 20 mm nominal size) to carry a safe working load not less than specified, excluding the cost of steel reinforcement but including Bentonite solution machinery charges labour chargres etc.,

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 the foundation and basement with stone crusher dust in layers of not more than 15cm thick well rammed watered and compacted etc., complete complying with standard specification.

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.

Centering for soffits of RCC slabs of plane surface like lintels, beams ,etc.,including strutting 3m high using mild steel sheets of size 90cm X 60cm X and B.G 10 stiffened with M.S angles of size 25mm X 25mm X 3mm laid over silver Oak (C.W) joists of size 10cm X 6.5cm (spaced at about 90cm c/c )and supported dy casurina props of 10cm to 13cm dia (spaced of 75cm C/C) complying with standard specification and directed - 10 m 2 (P & D)Data 38

Without Strutting

With Strutting

Supplying, fabricating and placing in position Mild Steel / Ribbed Tor Steel grills for all RCC works as per design given including cost of steel and G.I. binding wire in all floors etc. complete complying with standard specification. (Contractor has to make his own arrangements for the supply of steel and binding wire)

Reinforced Cement Concrete 1:1-1/2:3 (One Cement, One and a half sand and Three hard broken stone jelly) using 20 mm gauge hard broken granite stone jelly for all RCC items of works excluding cost of reinforcement grill and fabricating charges centering and shuttering but including laying, vibrating with mechanical vibrators, finishing, curing, etc. and providing fixtures like fan clamps in the RCC floor / roof slabs wherever necessary and bearing surfaces of walls, beams etc. shall be finished smooth with Cement Mortar 1:3 (One Cement and Three Sand) and kraft paper laid over it without claiming extra, etc., complete complying with standard specification and as directed by the departmental officers

Paving the floor with design Antiskirt ceramic tiles (colour and shade as directed) of size 305 mm x 305mm x 6 mm in all floors over a base layer of cement mortar 1:3 (One part of Cement and Three part of Plastering Sand (P- Sand)), 20mm thick laid in-situ and pointed with same coloured cement

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.

Plastering with cement mortar 1:3,10 mm ,thick in all floors including cost and conveyance of all materilas to site and labour charges etc,complete as per standard specifications (S.I.306)

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.

Manufacturing supplying and fixing of MILD STEEL DOOR made out of 50 x 50 x 6 mm M.S angle for outer frame,35 X 35 X 5mm M.S.Angle for outer frame of shutter. The entire shutter area shall be covered with CRC sheets (18 G) with 5Nos, of stiffners using M.S.Flats of size 25 X 6mm at equal intervals horizontally. The corners of the frames and shutter with CRC sheets shall be welded by adopting flash butt welding or any other suitable method. Provision towards 3Nos, of Hinges incase of single shutters / 6Nos,of Hinges incase of Double shutters of 125 X 31 X 1.25mm size placed at appropriate intervals and provisions shall be made for Tower bolts 2Nos, Aldrop 1No. The frame shall be provided with 6Nos,of Hold fast of 200mm length using 50 X 6mm M.S.Flat. The entire frame and shutter shall be provided with one coat of red oxide primer including cost of hold fasts,hinges, locking arrangements, handles wind appliences etc., complete and as directed by the departemental officers.

Manufacturing supplying and fixing of MILD STEEL Window made out of 40 x 40 x 6 mm M.S angle for outer frame, 35 X 35 X 5mm M.S.Angle for outer frame of shutter. The entire shutter area shall be covered with CRC sheets ( 18 G ) with 5Nos,of stiffners using M.S.Flats of size 25 X 6mm at equal intervals horizontally. The corners of the frames and shutter with CRC sheets shall be welded by adopting flash butt welding or any other suitable method. Provision towards 3Nos, of Hinges incase of single shutters / 6Nos,of Hinges incase of Double shutters of 125 X 31 X 1.25mm size placed at appropriate intervals and provisions shall be made for Tower bolts 2Nos, Aldrop 1No. The frame shall be provided with 6Nos,of Hold fast of 200mm length using 50 X 6mm M.S.Flat. The entire frame and shutter shall be provided with one coat of red oxide primer including cost of hold fasts,hinges, locking arrangements, handles wind appliences etc., complete and as directed by the departemental officers.

Painting new iron works such as steel doors, windows, ventilators, window bars, balustrades etc., with two 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. (The make, quality and colour of paint should be got approved by the Executive Engineer before use on works.)

Weathering Course with Concrete Broken Brick (S.I.No.278) & ( P & D) Data 54.Jelly 20mm gauge in pure slaked lime (no sand to be added) over roof slab,the proportion of brick jelly to lime being '32 to 12.5 well beated with wooden beaters for giving required slope and thickness as directed by the departmental officers.etc., complete.-1 m 3

Finishing the top of roof with one course of machine pressed tiles 23 C.m x 23 C.m x 2 C.m size using cement mortor 1:3 mix mixed with 2% by weight of Crude Oil and pointing with Cement Mortor 1:3 mix Cost of all materials and labour charges and brick jelly concrete etc., complete as per standard specifications.

Wiring with 2 x 1.5 sqmm (22 / 0.3) PVC insulated SC unsheathed Cu. Conductor of 1100V grade in suitable PVC rigid pipe concealed in wall and ceiling with PVC accessories in flush with wall with 3mm thick hylum sheet cover with TW switch box and 5A F.T switch with continuous earth wire connection of 14 SWG TC wire for making good of the concealed portion with suitable colour for PVC concealed light point / Fan point (For electronic regulator) etc., complete cost including all costs etc., complete as per standard specification. (SD-25)

Wiring with 2x1.5sqmm (22/0.3) PVC insulated SC unsheathed Cu.Conductor of 1100 V grade in suitable PVC rigid pipe concealed in wall and ceiling with PVC accessories, in flush with wall, with 150mm x 100mm x 113mm TW switch box with 3 mm thick Hylem sheet cover for 5 A 3 pin non inter locking CS Plug with continuous earth wire connection of 14 SWG TC wire and making good of the concealed portion with suitable colour for concealed PVC plug point.as per (SD 38)

Supply and fixing of single box type 4'40 W flu fitting complete with copper choke and condensor, with TW round blocks on wall or ceiling with flu.tube with PVC unsheathed Copper leads from terminals to the fitting. (Sd-88)

Supply and fixing of 1200mm (48") sweep AC ceiling fan complete with stepped electronic 300W regulator with 1 metre down rod with fan clamp with side plates and cross arm of size 450mm (18") etc., complete cost including all costs etc., complete as per standard specification. (SD-106)

Supply and fixng of TNEB meter board suitable for 3phase 63A service connection made up of suitable angle iron frame work of size 2feet x 1-1/2feet using angle iron of size 1-1/2"x1-1/2"x1/4" rigidly fixed on wall covered with hylem sheet of size 2feetx1/2 feet of 6mm thickness with necessary bolts and nuts supports and supply and fixing of 3Nos. 63A fuse units (500V), 1No. neutral link, copper earth flat of size 1"x1/4" with inter connection of EB meter to fuse units by 16Sq.mm PVC insulated copper wire with 1No 63Amp 30MA Four Pole RCD/RCCB (LowerEnd) with suitable necessary connection with earth connection complete SD 132

Supply and delivery of DI D/F Gate (sluice) valves (soft seated) resilient seated soft sealing Gate Valves (Sluice Valves) with body Bonnet of Ductile cast iron of Grade GGG 40 or GGG 50, Wedge fully rubber lined with EPDM replaceable spindle nut without gland packing and with 3 O- Ring protection on the shaft and seals of NBR and the valves should be of Vacuum tight and 100% leak proof with face to face dimensions as per BS 5163-89/ISI 14846-2000/DIN 3202 F4. All the valves should be with electrostatic powder coating both inside and out side with pocket less straight through body passage. All the valves are to be compatible for buried application with pressure rating PN 10/16 and with 5 years warranty

Supply and run of 4x6 sq.mm. PVC insulated SC unsheathed FRLS 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 coupling

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

K MANIKANNAN (BID ID -1462900)