Tender For Source Improvement Work - Desilting Of Infiltration Well, Laying Of Cables With Encasing At Headworks Under Cwss To Namagiripettai Utp, Seerapalli Rtp, Pattanam Rtp, R.Pudupatty Rtp And 1081 Rural Habitations In Paramathi, Namakkal, Sendamangal
Tender Overview
Project Description
Tender For Source Improvement Work - Desilting Of Infiltration Well, Laying Of Cables With Encasing At Headworks Under Cwss To Namagiripettai Utp, Seerapalli Rtp, Pattanam Rtp, R.Pudupatty Rtp And 1081 Rural Habitations In Paramathi, Namakkal, Sendamangalam,Puduchatl District (Phase-I) Under State Disaster Response Fund (Sdrf) 2026 - 2027 (Completion Period - 15 Days)
BOQ
| Sl. No. | Item Description |
| 1 | Desilting light or sandysoil or silt from infiltration wells below water level including the charges for special T&P and air compressor etc. complete- Offtake well |
| 2 | For 6 M inner diameter |
| 3 | Desilting light or sandysoil or silt from infiltration wells below water level including the charges for special T&P and air compressor etc. complete- Raw water Collection well |
| 4 | For 12 M inner diameter |
| 5 | Manufacturing, supply and delivery of DI diaphragm type surge control valve against power failure surges or pressure waves caused by velocity changes, quick opening relief easily adjustable pressure setting. The valve should remain closed when line pressure is between the set-points of the two pilots. The valve should open initially when line pressure drops below the setting of the low-pressure pilot to anticipate surges associated with a pump stopping. The valve will also continue to react and remain open when the return high-pressure wave is above the setting of the high-pressure pilot or open when inlet pressure exceeds a pre-determined setpoint at which time the valve opens quickly, With high speed discharge, with flange dimension to EN 1092-2/ ISO 7005[DIN]. Body and cover in ductile cast iron of Grade GGG 40 (or) GGG 50. All internal parts & all cover bolts of austenitic alloy steel and gaskets and seals of EPDM of grade W 270(approved for drinking water) with Electrostatic epoxy powder coating (EP-P) inside and outside color blue RAL 5005 with minimum coating thickness of 250 microns” and with 5 years warranty- DI Surge Control Valve |
| 6 | 300 mm |
| 7 | Sub Total |
| 8 | GST @ 18% Please Enable Macros to View BoQ information |
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