15 finance 22-23 Supply and Erection of PVC Insulated Copper Cable Sub Mersible Pumpset and Panel Board Work For Drinking Water at Kalavakkam Chithari well No.1 and 2 to Head Works in Thiruporur Town Panchayat

Amount

Earth work excavation for foundation and depositing on bank with in the initial lead of 10m and a lift of 2m in hard stiff clay, stiff block cotton, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size boulders etc.,as per SS 20 A. TNDSS NO: 23 & 24 VI (S2) VI,VII 9,10 with standard specifications.

Supply and Delivery of 50mm dia 6KSC PVC pipe as per IS 4985/2000, the cost shall including loading , unloading and stacking charges etc., complete as per standard specification (TWAD SOR 2023-24 page No.19)

Supply and delivery of PVC insulated and sheathed 3 core 10 sqmm flate type copper cable confirming to IS 694/1990 including cost and conveyance of material etc complete as per standard specification (TWAD SOR 2023-24 Page No.124)

Labour charges for laying and jointing for 50mm to 75mm OD PVC Pipe, only labour charges etc., complete (TWAD SOR 2023-24 Page No.280)

Refilling Excavated Earth including all other labour charges etc to complete (TWAD SOR 2023-24 Page No.298)

Supply And delivery Of 7.5 HP Three Phase Panel Board Star Delta With Two Level Guard and Auto Start With Capasitor inCluding Cost Of Material To Site Etc.. Complete (TWAD SOR 2023-24 Page No.119)

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. (Page 109 TWAD SOR 2023-24)

RAJAMANI R