Flushing of Radial Arms Desilting the Collector Well and Infiltration Wells and installation of Automatic controlled Servo Stabilizer Transformer at Vellur Chathiram under CWSS to 100 Habitations

Removing of sand and silt filled in the radial arms of the collector well inside and cleaning of radial arms by using a wire brushes with special tools and plants and developing the radial for increasing the yield in the well using UPVC pipes for water pressure with special tools and plants including cost of labour for working inside of collector well and fixing of special valves and equipments for cleaning of arms and assured required yield for pumping quantity for the pump set erected in the collector well etc. complete

Radial arms. (8 Nos)

Desilting light or sandy soil or silt from collector well below water level including the charges for special T&P and air compressor etc. complete.

For collector well

Desilting light or sandy soil or silt from infiltration well below water level including the charges for special T&P and air compressor etc. complete.

For Infiltration well

Design manufacture, delivery, installation, testing and commissioning of automatic servo transformer including oil cooled floor mounted type weather terminated dust proof powder coated oil tank with M.V automatic control panel board of 14SWG M.S Sheet and Ms angle with enclosure, required No's of copper multi strand wire winding with required current ratings including user inter face LED display. Low voltage and High voltage cut off, Auto re-start with time delay, over load relay, single phase preventer anf required no's of 8 pin bottle type persistence relays for controlling of safety measures with required number of on/off switches, indication lamps for indicating present position and 96mmx96mm voltmeter digital type and 96mmx96mm Ammeter digital type and internal panel wiring suitable for low voltage operation at the wide range 245V to 500V of connected induction to load (excluding supply and erection of Transformer oil and cable interconnetion works)

400 KVA Servo Transformer

Construction of protection arrangements for the Servo Transformer

Sub Total