TCMC - Laying of Water Supply Distribution Pipe Line at Jayalakshmi Nagar 1st,2nd,3rd Street,Jayalakshmi Nagar Main Road,Krishna Nagar 1st,2nd,3rd,4th,5th and 6th Street and Supply,Delivery and Fixing of Submersible Pump at Moovarasanpattu Ro Plant

Amount

Earth work excavation and refilling for PVC/ HDPE/ GRP pipe line works having bed width of 1.25m and below on linear measurement basis as per TWAD Schedule Rate of works

140mm Dia UPVC Pipe

90mm Dia UPVC Pipe

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

Supply and Delivery of UPVC Pipe and Specials With Fifinolex (or) Equivalent (With ISI Monogram) complete complying with standard specification.

140mm Dia UPVC Pipe 10KSC

90mm Dia UPVC Pipe 6KSC

90mm Elbow

140mm Elbow

90mm TEE

140mm TEE

90mm Bend

140mm Bend

Lowering PVC/ DWSC rigid pipes and specials to trench and laying to proper grade and alignment, jointing with PVC couplers with cement paste.

90mm to 110mm dia (OD) PVC pipe

125mm to 160mm dia (OD) PVC pipe

HSC Connection in HDPE and PVC Mains for Water Supply Scheme Electrofusion tapping saddle PE 80 blue, PN 12.5 with female threaded metal insert of SS 304 as per standards BS EN 12201 tested as per BS 6920 for drinking water in WRC-NSF ltd, UK. (Non Wrap with top loading type). Sizes:63mm to 315mm dia distribution HDPE and PVC pipes.

Barricading work (Where, there is less traffic areas and broader roads etc.) for laying of pipe line using casurina poles at 1.50m center to center (8cm to 10cm dia and 1.80m height) vertical with horizontal poles in three rows including painting the vertical poles in the road facing sides with ready mix paint, tying the vertical and horizontal poles with coir rope including fixing charges and fixing 75mm dia reflectors including earth work excavation for fixing vertical posts and finally removing and stacking the materials safely for further use etc., complete and as directed by TWAD Board officers.

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 pump should be directly coupled to 2880 RPM, three phase, 50 Hz (±5), 415V+6% & 415V-15% squirrel cage induction motor suitable for DOL upto 5 HP, Fully Automatic Air break Star Delta up to 20 HP and Auto Transformer starter for above 20 HP starting and for continuous operation. (100LPM x 250m)

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.

Replacement of Underground Utilities (PVC Pipe) damaged during earthwork excavation for pipe laying works including cost of additional earthwork excavation in all soil strata, including BT/CC road cutting, removal of slushy soil and replacing the pipeline with sound pipe, including supply and delivery of PVC pipes, couplers, jointing materials and required specials, cutting, conveying , laying, jointing and cost of refilling for the additional earthwork etc complete and as directed by the TWAD board officers. 110mm Dia PVC Pipe (6KSC)

R.Aravind (BID ID -1135280)