Solar Water Heating System — CPWD Electrical DSR 2025

4 items in this chapter. Click any item for its full description, unit and rate.

16.1.1 ₹22674 / Unit

Supplying, Installation, Testing, Commissioning of following capacity Evacuated Tube Collector (ETC) Solar Water Heating System comprising of all glass ETC tube absorber. The inner layer of absorber shall be of solar selected absorbing coated tube, Vacuum jacket, cover glass tube, getter and getter mirror surface, as per IS 16543. The system shall have temperature gauges, strainer, 2 nos. water meters, Suitable capacity cold and hot water tank, all MS structure for installation including suitable electric control panel complete with control and power wiring, necessary pluming including piping for cold and hot water line between tank and solar water system, water heater and thermostat including non-return valve, float valve and other valve etc. as required. The various component shall have following specification.1. The Absorber area i.e. the number, dimension and thickness of solar evacuated tube as per IS:16544 clause 5.4 and IS: 16543 clause 4.22. Boro Silicate Glass 3.3 for cover plat as per ISO: 3585.3. The material for three target coating shall be aluminum nitrate, aluminum nitrate stainless steel and copper multi layer selecting coating as per IS: 16543.4. Manifold shall be of Mild steel section with PP coating and Inner material shall be of SS 304.5. Recommended operating pressure:10 Bars.6. The capacity of hot water tank shall be minimum 1.5 times the rated capacity system. Inner Material shall be Stainless Steel SS 316 b) as per IS 1730 grade SS304-2B (22SWG). The hot water tank shall be insulated with high density injected PUF insulation 50 mm thickness between inner and outer tank. Tank stand shall be of mild steel and shall be design to withstand wind velocity of 100km/hours (minimum) or more as per site. 7. Suitable nos. ISI Marked electrical heaters along control panel, with suitable breaker, all protections, and all safety provisions so as to achieve 60 °C temperature rise in an hour. The range of thermostat shall be upto 80 °C. 100 LPD

16.1.2 ₹44773 / Unit

Supplying, Installation, Testing, Commissioning of following capacity Evacuated Tube Collector (ETC) Solar Water Heating System comprising of all glass ETC tube absorber. The inner layer of absorber shall be of solar selected absorbing coated tube, Vacuum jacket, cover glass tube, getter and getter mirror surface, as per IS 16543. The system shall have temperature gauges, strainer, 2 nos. water meters, Suitable capacity cold and hot water tank, all MS structure for installation including suitable electric control panel complete with control and power wiring, necessary pluming including piping for cold and hot water line between tank and solar water system, water heater and thermostat including non-return valve, float valve and other valve etc. as required. The various component shall have following specification.1. The Absorber area i.e. the number, dimension and thickness of solar evacuated tube as per IS:16544 clause 5.4 and IS: 16543 clause 4.22. Boro Silicate Glass 3.3 for cover plat as per ISO: 3585.3. The material for three target coating shall be aluminum nitrate, aluminum nitrate stainless steel and copper multi layer selecting coating as per IS: 16543.4. Manifold shall be of Mild steel section with PP coating and Inner material shall be of SS 304.5. Recommended operating pressure:10 Bars.6. The capacity of hot water tank shall be minimum 1.5 times the rated capacity system. Inner Material shall be Stainless Steel SS 316 b) as per IS 1730 grade SS304-2B (22SWG). The hot water tank shall be insulated with high density injected PUF insulation 50 mm thickness between inner and outer tank. Tank stand shall be of mild steel and shall be design to withstand wind velocity of 100km/hours (minimum) or more as per site. 7. Suitable nos. ISI Marked electrical heaters along control panel, with suitable breaker, all protections, and all safety provisions so as to achieve 60 °C temperature rise in an hour. The range of thermostat shall be upto 80 °C. 200 LPD

16.1.3 ₹66944 / Unit

Supplying, Installation, Testing, Commissioning of following capacity Evacuated Tube Collector (ETC) Solar Water Heating System comprising of all glass ETC tube absorber. The inner layer of absorber shall be of solar selected absorbing coated tube, Vacuum jacket, cover glass tube, getter and getter mirror surface, as per IS 16543. The system shall have temperature gauges, strainer, 2 nos. water meters, Suitable capacity cold and hot water tank, all MS structure for installation including suitable electric control panel complete with control and power wiring, necessary pluming including piping for cold and hot water line between tank and solar water system, water heater and thermostat including non-return valve, float valve and other valve etc. as required. The various component shall have following specification.1. The Absorber area i.e. the number, dimension and thickness of solar evacuated tube as per IS:16544 clause 5.4 and IS: 16543 clause 4.22. Boro Silicate Glass 3.3 for cover plat as per ISO: 3585.3. The material for three target coating shall be aluminum nitrate, aluminum nitrate stainless steel and copper multi layer selecting coating as per IS: 16543.4. Manifold shall be of Mild steel section with PP coating and Inner material shall be of SS 304.5. Recommended operating pressure:10 Bars.6. The capacity of hot water tank shall be minimum 1.5 times the rated capacity system. Inner Material shall be Stainless Steel SS 316 b) as per IS 1730 grade SS304-2B (22SWG). The hot water tank shall be insulated with high density injected PUF insulation 50 mm thickness between inner and outer tank. Tank stand shall be of mild steel and shall be design to withstand wind velocity of 100km/hours (minimum) or more as per site. 7. Suitable nos. ISI Marked electrical heaters along control panel, with suitable breaker, all protections, and all safety provisions so as to achieve 60 °C temperature rise in an hour. The range of thermostat shall be upto 80 °C. 300 LPD

16.1.4 ₹90626 / Unit

Supplying, Installation, Testing, Commissioning of following capacity Evacuated Tube Collector (ETC) Solar Water Heating System comprising of all glass ETC tube absorber. The inner layer of absorber shall be of solar selected absorbing coated tube, Vacuum jacket, cover glass tube, getter and getter mirror surface, as per IS 16543. The system shall have temperature gauges, strainer, 2 nos. water meters, Suitable capacity cold and hot water tank, all MS structure for installation including suitable electric control panel complete with control and power wiring, necessary pluming including piping for cold and hot water line between tank and solar water system, water heater and thermostat including non-return valve, float valve and other valve etc. as required. The various component shall have following specification.1. The Absorber area i.e. the number, dimension and thickness of solar evacuated tube as per IS:16544 clause 5.4 and IS: 16543 clause 4.22. Boro Silicate Glass 3.3 for cover plat as per ISO: 3585.3. The material for three target coating shall be aluminum nitrate, aluminum nitrate stainless steel and copper multi layer selecting coating as per IS: 16543.4. Manifold shall be of Mild steel section with PP coating and Inner material shall be of SS 304.5. Recommended operating pressure:10 Bars.6. The capacity of hot water tank shall be minimum 1.5 times the rated capacity system. Inner Material shall be Stainless Steel SS 316 b) as per IS 1730 grade SS304-2B (22SWG). The hot water tank shall be insulated with high density injected PUF insulation 50 mm thickness between inner and outer tank. Tank stand shall be of mild steel and shall be design to withstand wind velocity of 100km/hours (minimum) or more as per site. 7. Suitable nos. ISI Marked electrical heaters along control panel, with suitable breaker, all protections, and all safety provisions so as to achieve 60 °C temperature rise in an hour. The range of thermostat shall be upto 80 °C. 500 LPD