SPECIAL REPAIR TO SOLAR WATER HEATERS FOR CERTAIN SMQs AT AF STN BHUJ

Material & labour for removing old broken/damaged solar water evacuated vacuum tube and supply and fix in replacement soalr water evacuated vacuum tube made of borosilicate glass of size 58*1800 mm,inner tube of outer surface coated with (Al-N-Al) for excellent solar radiation and absorption high efficiency three layers tube suitable for 100/200 LPD with proper airtight rubber white o ring and black o ring washer and whichever be required to make servicable of this item complete all as specified and directed by Engineer-in-Charge.

Supply and laying in replacement of 20mm outer dia CPVC pipes SDR 11 including plain CPVC with all fittings on wall/ceiling on laying in floor/wall complete with proper steel sadding of half meter apart of each complete all as specified and directed by Engineer-in-Charge.

Material & labour for in replacement GI pipe 15 mm bore medium grade, ISI marked with and including all fittings complete fixed to walls/ceiling or laid in floors including taking up/down existing old pipe complete all as specified and directed by Engineer-in-Charge.

Supply & fixing in replacement of CPVC gate valves, screwed/plain both ends for iron/pvc pipe of size 20 mm dia complete all as specified and directed by Engineer-in-Charge.

Material & labour for taking down defective existing MS framed supports for (cold water tank/Stainless steel tank/Solar ETC based) and Supply, fabrication and fixing of mild steel frame/staging / height for placing of cold water tank/Stainless steel tank/Solar ETC based for solar water heater made out of mild steel angle iron 40 x 40 x 6 mm, MS flat, plates of size 50 x 6 mm etc. including nut, bolts etc. including welding ,bending cold , or hot in any shape or size as indicated or directed and inclusive of one red oxide primer coat ,one under coat and one finishing coat of synthetic enammel paint including grouting in PCC block of 1:2:4 complete.(PCC to be measured and paid for separately in respective section) complete all as specified and directed by Engineer-in-Charge.