PROVN OF SOLAR WATER HEATING SYSTEM IN OR LIVING BLDG NO P 276 P 277 P 278 P 279 P 131 P132 P 133 P 134 P 135 P 272 AND P 136 AT DEF AND EMP COY LEH UNDER GE 865 EWS LEH

Supply, installation, testing and commissioning of Solar Water Heating System (SWH) of 500 Litres Per Day (LPD) capacity suitable to deliver hot water at 60°C to 70°C under extreme climatic conditions of Leh (high altitude, sub-zero temperature region), complete in all respects. (i) The system shall comprise of the following components : (a) High efficiency Solar Evacuated Tube Collector (ETC) suitable for plant capacity conforming to relevant BIS / MNRE standards. (b) Insulated hot water storage tank of 500 LPD capacity of food grade made out of SS 316 inner tank of minimum thickness 3.0 mm with PUF insulated (minimum thickness 50 mm) and aluminum pre coated sheet weather proof outer cladding. (c) Freeze protection system suitable for sub-zero temperatures of Leh (heat exchanger/antifreeze based system). (d) Heavy duty hot dip galvanized MS supporting structure designed for high wind velocity and snow load conditions, complete with foundation bolts and anti-corrosive treatment. (e) Insulated piping with minimum 25 mm UV resistant insulation for exposed areas. (f) Necessary accessories including valves, NRV, air vent, pressure release valve, drain valve, temperature gauge and all safety fittings. (g) Electrical backup for heating arrangement with thermostat and control panel including complete wiring and earthing (h) All Civil works including PCC foundation for structure (j) Complete inter connection with existing cold water supply and hot water distribution system. Cont. to 1.01

(ii) Performance Requirements : (a) The system shall deliver 500 LPD hot water at temperature between 60°C to 70°C under normal solar conditions. (b) The installation shall ensure leak-proof operation and minimum heat loss. (iii) Testing & Commissioning : (a) Hydraulic pressure test of tank and piping. (b) Functional test of complete system. (c) Performance test after commissioning in presence of Engineer-in-Charge and terst report has to be submitted by contractor for record. (d) Submission of manufacturer’s test certificates and warranty documents for record. Cont. to 1.02

(iv) Guarantee & Warranty : (a) The entire system shall be guaranteed for minimum 05 (five) years from the date of handing over against manufacturing defects, leakage, structural failure, and poor performance. (b) Solar collectors shall carry minimum 05 years performance warranty. (c) Storage tank shall carry minimum 05 years warranty against leakage and corrosion. (d) Supporting structure shall be guaranteed against corrosion and structural failure for minimum 05 years. (e) During the guarantee period, any defect arising shall be rectified/replaced by the contractor at his own cost within 7 days of notice either liable to compensnate @ 1000/- per day . Cont. to 1.03

Notes : 1. Installation and commissioning of total work including foundation and structural work shall be done by original manufacturer (OEM) or authorised representative of OEM only. 2. Necessary foundation and structural work shall be done as per OEM 3. Payment shall be made only after successful testing, commissioning and handing over in functional conditions. 4. Security Deposit shall be released only after satisfactory completion of guarantee period and rectification of all defects. 5. The item includes all labour, material, T & P, transportation to site, loading/unloading, erection, testing, commissioning, demonstration to user and handing over complete system in operational condition. 6. The rate quoted by contractor shall deemed to be for the complete item of work in all respects as specified above. Nothing extra whatsoever shall be paid on any account. 7. The following OEMs are considered for the subject Plant:- (i) Inter Solar (ii) Racold (iii) Tata Solar

Supply, installation, testing and commissioning of Solar Water Heating System (SWH) of 200 Litres Per Day (LPD) capacity suitable to deliver hot water at 60°C to 70°C under extreme climatic conditions of Leh (high altitude, sub-zero temperature region), complete in all respects. (i) The system shall comprise of the following components : (a) High efficiency Solar Evacuated Tube Collector (ETC) suitable for plant capacity conforming to relevant BIS / MNRE standards. (b) Insulated hot water storage tank of 200 LPD capacity of food grade made out of SS 316 inner tank of minimum thickness 3.0 mm with PUF insulated (minimum thickness 50 mm) and aluminum pre coated sheet weather proof outer cladding. (c) Freeze protection system suitable for sub-zero temperatures of Leh (heat exchanger/antifreeze based system). (d) Heavy duty hot dip galvanized MS supporting structure designed for high wind velocity and snow load conditions, complete with foundation bolts and anti-corrosive treatment. (e) Insulated piping with minimum 25 mm UV resistant insulation for exposed areas. (f) Necessary accessories including valves, NRV, air vent, pressure release valve, drain valve, temperature gauge and all safety fittings. (g) Electrical backup for heating arrangement with thermostat and control panel including complete wiring and earthing (h) All Civil works including PCC foundation for structure (j) Complete inter connection with existing cold water supply and hot water distribution system. Cont. to 2.01

(ii) Performance Requirements : (a) The system shall deliver 200 LPD hot water at temperature between 60°C to 70°C under normal solar conditions. (b) The installation shall ensure leak-proof operation and minimum heat loss. (iii) Testing & Commissioning : (a) Hydraulic pressure test of tank and piping. (b) Functional test of complete system. (c) Performance test after commissioning in presence of Engineer-in-Charge and terst report has to be submitted by contractor for record. (d) Submission of manufacturer’s test certificates and warranty documents for record. Cont. to 2.02

(iv) Guarantee & Warranty : (a) The entire system shall be guaranteed for minimum 05 (five) years from the date of handing over against manufacturing defects, leakage, structural failure, and poor performance. (b) Solar collectors shall carry minimum 05 years performance warranty. (c) Storage tank shall carry minimum 05 years warranty against leakage and corrosion. (d) Supporting structure shall be guaranteed against corrosion and structural failure for minimum 05 years. (e) During the guarantee period, any defect arising shall be rectified/replaced by the contractor at his own cost within 7 days of notice either liable to compensnate @ 1000/- per day . Cont. to 2.03

Notes : 1. Installation and commissioning of total work including foundation and structural work shall be done by original manufacturer (OEM) or authorised representative of OEM only. 2. Necessary foundation and structural work shall be done as per OEM 3. Payment shall be made only after successful testing, commissioning and handing over in functional conditions. 4. Security Deposit shall be released only after satisfactory completion of guarantee period and rectification of all defects. 5. The item includes all labour, material, T & P, transportation to site, loading/unloading, erection, testing, commissioning, demonstration to user and handing over complete system in operational condition. 6. The rate quoted by contractor shall deemed to be for the complete item of work in all respects as specified above. Nothing extra whatsoever shall be paid on any account. 7. The following OEMs are considered for the subject Plant:- (i) Inter Solar (ii) Racold (iii) Tata Solar

M&L for Rotational moulded polyethylene 3 layer water storage tank capacity 1000 L tank (cylindrical vertical with closed top) hoisted and fixed in position all as specified and as directed.

M&L for Rotational moulded polyethylene 3 layer water storage tank capacity 500 L tank (cylindrical vertical with closed top) hoisted and fixed in position all as specified and as directed.

Supply, installation and testing of Centrifugal open well submersible pump set suitable for 220V +6%-5% V Single phase of capacity 1 HP with stater and water lifting capacity Head Range 12M-27M Discharge Range 170 L/Min with necessary connection copper cable from starter panel complete .

Supply, installation and testing of Centrifugal openwell submersible pump set suitable for 220V+6%-5%, Single phase of capacity 0.5 HP with stater and water lifting capacity Head Range 8M-17M Discharge Range 140 L/Min r with necessary connection copper cable from starter panel complete .

Supply and laying or fixing or passing through pipe, 1100 volts grade heavy duty cable with PVC insulated flat 3 core Copper conductor served with an inner sheathing of PVC tape and overall PVC sheathed 2.5 sq. mm nominal cross section in service connections

S&F PP-R pipes PN 20 / SDR 6, 3 layer 40 mm dia bore with all fittings conforming to IS-15801 and fixed complete to walls and ceiling or laid in floors or trenches complete all as specified & directed by Engr-in-Charge.

Supply and fixing gate valve 40mm dia screwed down high pressure with Metal Spindley handle screwed both ends for PP-R pipes or for union and fixed completely as specified complete all as specified and directed by Engr-in-Charge.

Supply & laying or fixing 1100 volts grade Heavy duty cable with PVC insulated aluminium conductor served with an inner sheathing of PVC tape overall PVC sheathed Solid conductor in service connections 6 Sqmm twin core flat/circular cable complete all as specified and directed.

M&L for insulation of PP-R pipe of size 40 mm bore of pipe with PUF slab 40 mm thick and GI cladding with 26 gauge GI sheet complete including complete earthwork for clearance around the pipe compete all as specifid and as directed.

S&F 32 mm bore 3 layer PP-R Polypropylene random copolymer) pipes SDR 7.4 & SDR 11 UV stablised and antimicrobial welded having thermal stabilty for hot & cold water supply including all PP-R plain and brass threaded polypropylene random fitting fixed complete to walls ,ceiling or floors.

Providing 50mm thick insulation of water pipe line 20/25/32 mm dia pipe which includes of the following:- Export quality heat tape Aluminum tape K. Flex 19mm Rock wool Wire Mash Polythene Cello tape Aluminum sheet 28 gauge

S&F PPR gate valve conforming to ISO 2000 screw down end for PPR pipe or for union and fixed completey as specified for the size 32mm bore, complete all as specified.

Deduct Schedule of Credit of Rs (-) NIL (Minus) as listed in Schedule 'A' (Contd). Contract Sum shall be arrived after deducting the credit amount. Note :- Tenderers will not quote against this item being a firm amount.

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