Setting up of Solar water Heating system at Jawahar Navodaya Vidyalayas under Madhya Pradesh Region

Sr. No. Description AMOUNT (RS.)

A Estimated Cost

1 Solar Water Heating System 500LPD Each 75241461.44

TOTAL ESTIMATED COST (RUPEES) 75241461.44

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NVS (MADHYA PRADESH REGION)

SOLAR WATER HEATING AND ELECTRIC WATER HEATER/GEYSER UNITS

MADHYA PRADESH REGION

Description Unit Qty. Rate Amount (Rs.)

1.0 NS SOLAR WATER HEATING SYSTEM OF CAPACITY: 500 LPD EACH

Supply, Installation, Testing & Commissioning of 500 LPD Flat Plate based thermosyphone circulation Non-Pressurized Solar water heating

Systems comprising Flat Plate collectors , internal system piping, insulated hot water storage tank , Heat Exchanger, Electric Back up Heaters,

plumbing accessories, electrical items as required. Including DLP of complete system for 2 years and Guarantee/warranttee of Solar water Set 544 138311.51 75241461.44

heating unit for 5 years. Details of each items to be used in one 500 LPD system are mentioned below:

ITEMS FOR 1 SET

PLUMBING ITEMS PER SET

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply, including all CPVC plain

& brass threaded fittings, including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC

solvent cement and testing of joints complete as per direction of Engineer in Charge. Internal work - Exposed on wall

20 mm nominal dia Pipes (Min.: 15Mtrs OR as per actual site requirement)

Nitrile foam insulation of 9 mm thick with 26 gauge aluminium cladding for 20mm dia Hot water Pipe (Min.: 8Mtrs OR as per actual Site

Providing and fixing ball valve (brass) of approved quality, High or low pressure, with plastic floats complete :

20 mm nominal bore (Min.: 2nos. OR as per actual site requirements)

Providing and fixing gun metal non- return valve of approved quality (screwed end) :

25 mm nominal bore -Horizental (Min.: 2nos. OR as per actual site requirements)

Y Strainer -Screwed- 20mm dia -Bronze (Min.: 1nos.OR as per actual site requirements)

Air Release Valave- 20mm (Min.: 1nos.OR as per actual site requirements)

Auto Air Vent -20mm (Min.: 1nos.OR as per actual site requirements)

Providing and fixing C.P. brass bib cock of approved quality conforming to IS:8931

15 mm nominal bore (Min.: 1nos.OR as per actual site requirements)

Dial Type Temprature Gauge 100mm dia (0-150deg) (Min.: 1nos.OR as per actual site requirements)

Control Panel / ACDB for Electrical Heater including required switchgear like DP MCB incommer & DP MCB outgoing of suitable ratings for

each 3KW Heater. Housed in Poly Carbonate (IP65) Enclosure, Complete with wiring up to heater in PVC Conduit.

Electrical Wiring for incoming to ACDB :

Wiring for circuit/ submain wiring alongwith earth wire with the following sizes of FRLS PVC insulated copper conductor, single core cable in

surface/ recessed medium class PVC conduit as required.

2 X 6 sq. mm + 1 X 6 sq. mm earth wire (Min.: 15mtrs OR as per actual site requirements)

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