Supply and Erection of New Pump Set at Quarry and Providing Pumping Main To Uppilipadu Sump and OHT in Koodankulam Panchayat

Amount

Supply and delivery of Open well Submersible pump set conforming to IS 14220 /2002 and as amended thereafter and BEE 3 Star Rated capable of discharging the following duties due to all causes. The pump shall be with stainless steel shaft and dynamically balanced bronze mixed type impeller, CI FG 200 grade casing and brass screws and rotor shall be of copper rod as per IS 613/1984 with ISI mark. The pump suitable for installation in sump with 1.1KV grade 3 core suitable copper flat submersible cable to a length of 15m with necessary cable joints. The non-return valve located at the top of the pump in the discharge outlet connection is to be designed with minimum friction. The 415V-Automatic Air break Star Delta up to 20 HP and Auto Transformer starter for15% squirrel cage induction motor suitable for DOL upto 5 HP, Fullypumpshould be directly coupled to 2880 RPM, three phase, 50 Hz (±5), 415V+6% &above 20 HP starting and for continuous operation.

At Quary 500 LPM x 75m Head

For Pumpset 7.50HP

Supply and delivery of heavy duty 3 core 6 sq.mm. PVC insulated and sheathed flat type copper cable as per IS 694 / 1990 to be laid between Starter and motors

Laying the above cable as per IE rules between the supply point & LT panel board below GL including earthwork

Labour charges for erection of submersible pumpsets in theSump including fixing of delivery pipes to the required length with valves, pressure gauges upto the exterior wall of the pump room and erection of panel board consisting of switches, starter, voltmeter, ammeter, capacitor, single phasing preventor etc. and laying and jointing the PVC copper wires, twin earthing as per IE rules including cost of civil works, such as construction of earth pit earth electrodes, GI wire complete testing the pumpset including providing bed blocks for the pumpset. For 7.50 HP sub pumpset

Supply and delivery of GI medium class pipes and specials as per relevant IS as listed below and as per drawing enclosed.

50 MM GM Gate valve

50 MM 1.6 PN Reflux valve

50 MM GI Bend

50 mm GI Flange set

50 mm GI Union

50 MM heavy hex nibble

50 MM clamp set

Supply and delivery of 50mm PN 16 HDPE PIPES - PE 100 AS PER IS 4984/2016 and as amended froom time to time with ISI marking with necessary couplers (or) bell ended pipes as specified in ISI, the required quantity of solvent cement and havinig the following working pressure. The cost of pipes should include loading, freight, insuirance, incidental charges packing taxes and unloading, stacking at site iin good condition etc. complete as directed by the TWAD Board Officers. and,Transportation charges.

50 MM X 100mm GI enlarger to connect to the pumping main

Supply and delivery of 32mm PVC pipe for cable laying

Plastic nylon rope

110mm PVC MTA

Supply and delivery of Open well Submersible pump set conforming to IS 14220 /2002 and as amended thereafter and BEE 3 Star Rated capable of discharging the following duties due to all causes. The pump shall be with stainless steel shaft and dynamically balanced bronze mixed type impeller, CI FG 200 grade casing and brass screws and rotor shall be of copper rod as per IS 613/1984 with ISI mark. The pump suitable for installation in sump with 1.1KV grade 3 core suitable copper flat submersible cable to a length of 15m with necessary cable joints. The non-return valve located at the top of the pump in the discharge outlet connection is to be designed with minimum friction. The 415V-Automatic Air break Star Delta up to 20 HP and Auto Transformer starter for15% squirrel cage induction motor suitable for DOL upto 5 HP, Fullypumpshould be directly coupled to 2880 RPM, three phase, 50 Hz (±5), 415V+6% &above 20 HP starting and for continuous operation.

At Sump 500 LPM x 50m Head

For Pumpset 7.50HP

Supply and delivery of heavy duty 3 core 4 sq.mm. PVC insulated and sheathed flat type copper cable as per IS 694 / 1990 to be laid between Starter and motors

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

Labour charges for erection of submersible pumpsets in theSump including fixing of delivery pipes to the required length with valves, pressure gauges upto the exterior wall of the pump room and erection of panel board consisting of switches, starter, voltmeter, ammeter, capacitor, single phasing preventor etc. and laying and jointing the PVC copper wires, twin earthing as per IE rules including cost of civil works, such as construction of earth pit earth electrodes, GI wire complete testing the pumpset including providing bed blocks for the pumpset. For 5.00 HP sub pumpset

Supply and delivery of GI medium class pipes and specials as per relevant IS as listed below and as per drawing enclosed.

50 MM GM Gate valve

50 MM 1.6 PN Reflux valve

50 MM GI Bend

50 mm GI Flange set

50 mm GI Union

50 MM heavy hex nibble

50 MM clamp set

50MM GI pipe

100 MM GI Bend

100 mm GI Flange Set

100 mm GI Union

100 MM heavy hex nibble

100MM GI pipe

50 MM X 100mm GI enlarger to connect to the pumping main

110mm PVC MTA

Supply and run of 4 of 4 sq.mm. (56 / 0.3) PVC insulated single core unsheathed copper conductor of 1100V grade on 7 / 20 GI bearer wire for service connection mains SD67

Supply and run of 4 of 4 sq.mm. (56 / 0.3) PVC insulated single core unsheathed copper conductor of 1100V grade in 25mm dia GI pipe (Class 'B') bent at both ends with necessary angle iron up right and end supports for mains SD72

Supply and fixing of TNEB meter board suitable for 32A three phase service connection with 3 Nos. 32A fuse unit (500V) 32A neutral link and earth link (1" x 1/8" copper flat) on TW plank of size 600mm x 450mm x 19mm with supporting TW reepers of 1" thick an either side with painting with suitable bolt and nuts for fixing the TW plank on wall with earth connection and inter connection with 7/20 PVC insulated copper wire from EB meter to fuse unit SD 127

Supply and fixing of 4 way single phase DB of 16A / way with 16A DP switch with metal clad of 500V (side handle) with fuse and neutral on suitable TW board with earth connection onlySD 148

Provision for Pumping Main

Supply and delivery of unplasticised PVC rigid pipes for potable water as per IS 4985/1988 and as amended froom time to time with ISI marking with necessary couplers (or) bell ended pipes as specified in ISI, the required quantity of solvent cement and havinig the following working pressure. The cost of pipes should include loading, freight, insuirance, incidental charges packing taxes and unloading, stacking at site iin good condition etc. complete as directed by the TWAD Board Officers110 mm dia 6 KSC PVC pipe

Earth work excavation in all types of strata for laying pipeline in respect of following size of pipe with standard trench width and required depth including shoring, strutting, baling out water wherever necessary and all other incidental works such as barricading, providing danger lights, labour for watch and ward, as directed by the TWAD Board officers.

Refilling with excavated soil (other than sand) in respect of following sizes of pipes in layers of 15cm thick well rammed, watering, consolidated and complying with standard specifications for filling the trenches after the pipes and specials are laid, jointed and tested, removing and spreading the surplus earth at the places shown by the TWAD Board Officers.

Lowering PVC rigid pipes and specials to trench and laying to nproper grade and alignment, jointing with PVC Couplers with cement paste and testing to the required pressure including conveyance of water for filling during testing

Supply and delivery of unplasticised PVC rigid pipes for potable water as per IS 4985/1988 and as amended froom time to time with ISI marking with necessary couplers (or) bell ended pipes as specified in ISI, the required quantity of solvent cement and havinig the following working pressure. The cost of pipes should include loading, freight, insuirance, incidental charges packing taxes and unloading, stacking at site iin good condition etc. complete as directed by the TWAD Board Officers 75 mm dia 6 KSC PVC pipe

Earth work excavation in all types of strata for laying pipeline in respect of following size of pipe with standard trench width and required depth including shoring, strutting, baling out water wherever necessary and all other incidental works such as barricading, providing danger lights, labour for watch and ward, as directed by the TWAD Board officers.

Refilling with excavated soil (other than sand) in respect of following sizes of pipes in layers of 15cm thick well rammed, watering, consolidated and complying with standard specifications for filling the trenches after the pipes and specials are laid, jointed and tested, removing and spreading the surplus earth at the places shown by the TWAD Board Officers.

Lowering PVC rigid pipes and specials to trench and laying to nproper grade and alignment, jointing with PVC Couplers with cement paste and testing to the required pressure including conveyance of water for filling during testing

Supply and delivery of Cast Iron Double air valves of following sizes - Flanged type with screw down valves combined as per G&K Catelogue Fig.No.H40 tested to a minimum test pressure of 120 metres of head of water including loading, freight, unloading, Insurance all Taxes and duties stacking at site etc., complete and as directed by TWAD Board Officers

Supply and delivery of GM valves of following sizes complete and as directed by TWAD Board Officers

65mm GM Valve

100mm GM Valve

S.CHELLIAH ARMSTRONG