Drilling of New Borewell and Supply ,delivery and erection of Single phase submersible pumpset for Minipower pump minipower pump at Ward No.15 Mailam nagar in Kancheepuram Corporation

Conducting physical survey for identification of suitable location for borewell including the loading, unloading and transporting charges for machineries etc., complete as per standard spedifications.

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. Upto 60 Mtr Upto 60 m Depth ending below ground level

From 60 m upto 90 m Depth ending from ground level

From 90 m upto 120 m Depth ending from ground level

From 120 m upto 150 m Depth ending from ground level

From 150 m upto 180 m Depth ending from ground level

Reaming from 150mm dia pilot bore to300mm dia size bore as directed by the department officers up to 60m depth below ., complete as per standard specification. Upto 60 Mtr Upto 60 m Depth ending below ground level

From 60 m upto 90 m Depth ending from ground level

From 90 m upto 120 m Depth ending from ground level

From 120 m upto 150 m Depth ending from ground level

From 150 m upto 180 m Depth ending from ground level

Supply of 150mm dia PVC casing pipe with including cost and conveyance of pipes to work site and all handling charges etc complete 150mm CS Pipe (plain)

Supply of 150mm dia PVC casing pipe with without slot including cost and conveyance of pipes to work site and all handling charges etc complete 150mm CM Pipe (Slotted Pipe)

Labour Charges for inserting PVC Casing pipes assembly (with slots or without slots) in the drilled hole including jointing the pipes with PVC Couplers with Cement paste etc., complete, supply 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 300 CFM capacity (Minimum 8 Hours) including transportation labour and fuel charges for compressor as directed by TWAD Board Officers and conducting yield test by 'V' notch method. TWAD SOR Pg.No.284

Supply and delivery of clear water vertical wet type Single phase phase submersible pumpset suitable for 150mm 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 continous rated two pole suitable wet type vertical squirrel cage induction motor as per IS9283 /1995 as amended there after, suitable for operation in AC three phase 240 V+/- 10 %, 50 HZ +/- 5 %. TWAD SOR. 2023-24 Pg.No104 ( 1.00 HP - 20LPM x 600m Head )

Supply and delivery of direct online starter Single phase panel board - D.O.L with two level guard and auto start confirming to IS13947, IEC60947-1 and as amended thereafter with suitable KW rating for operation in AC/Three Phase/50HZ(± 5%) and 415 V(±10%) including Ammeter, Voltmeter, Thermal Overload relay, 16 Amps 2 pole Magnetic Contactor with under Voltage protection, Indication lamp, starting capacitor, running capacitor and On/Off Push button switches, 5 way connector, wiring with 1 sq. mm/1.5 sq. mm copper PVC insulated cable, powder coated vermin proof box including the capacitor (the cost of capacitor is to be taken separately). TWAD SOR. 2023-24 Pg.No.118 (1 HP - Panel Board)

supply and delivery of 2.50 Sq.mm flate type copper cable confirming to IS8034/2002 ISI make for 5HP submersible motors including cost and conveyance etc.,complete as per standard specification

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. TWAD SR 2023-24 Pg.No.320 upto 2.00HP

Supply and delivery and fixing of HDPE tank as per IS 12701 / 1996 including loading, unloading, transportation and labour charges for fixing of the GI pipes and specials for pipe connection works including cutting, threading and fixing charges etc., TWAD Pg.No.92 (1000 Lit. Capacity)

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., TWAD Pg.No.92

Construction of Brick masonary padestal of size 1.20 x 1.20 x 1.20m with Nessary . Earth work Excavation Base concrete Brick work in cement mortar 1:5mix plestring 1:5mix alround with Dadoing tiles of best quality with of room of Tank pedastel of finishhing work is Neatly of size 1.20 x .60 x .30 and E.B.Box padestal of size 0.60 x 0.45 x 0.90 with Brick work as nessary plestring work including cost all labour and materisls charges etc., complete ., as per standard specification as directed by the departmental officers.

Supply and delivery of UPVC & GI Pipe and specials and other jointing materials and including cost and conveyance to work site and handling labour charges etc complete 40mm UPVC Pipe TWAD SR 2023-24 page No.22

25mm GI Pipe

32mm PVC Bend

32mm PVC Coupler

25mm x 32mm PVC Reducer

25mm GI Elbow

25mm GI Coupling

25mm GI Hex Nipple

25mm G.M. Ferrule

40mm M.S. Clampset

25mm G.M. Gate Valve

5" Bore Cap

Adaptor Set

Nylon Rope

supply and fixng of TNEB meter board suitable for 1 phase 15A 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. 15A fuse units (240V), 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

Supply and run of 2 of 4 sq.mm. (56 / 0.3) PVC insulated single core unsheathed copper conductor of 1100V on 7 / 20 GI bearer wire for service connection mains.

Supply and Delivery of 25mm PVC Rigid Pipe for Electrical work inlcuding cost and conveyance of materials and labour charges etc

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