Setting up of Solar Electric Water Heating System at Jawahar Navodaya Vidyalaya under Lucknow Region at the Risk and Cost of Previous Agency

NVS (LUCKNOW REGION)

SOLAR WATER HEATING AND ELECTRIC WATER HEATER/GEYSER UNITS AT THE RISK AND COST OF PREVIOUS AGENCY

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 232 1,26,622.61 2,93,76,446/-

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

ITEMS FOR 1 SET

SITC of 500LPD Solar FPC Collector & Storage Tank with Stand - 4 nos. of Solar Flat Plate Collectors of minimum 2030x1030mm size for

minimum 2.0 Sq.Mtr. Absorber material shall be ETP grade Copper with copper Fins & Copper Tubes. The Flat Plate Collectors shall be as per IS

12933. Along with 500LPD Solar Water Heating Tank made out of MS steel of 2.0 mm thickness and Manufacturer Standard Dish Thickness

with internal epoxy/PU coating OR SS 2mm thick and outer precoated Aluminium Cladding over 50mm PUF Insulation having density not less

than 32Kg/Cu.mtr. With In-Built Ladder type Heat Exchanger made of SS-304 & 5 Ltr SS (1mm thick) Expansion tank, maintenance free

sacrificial/Magnesium Anode, provided with Electrical Heater 2Nos. x 3KW electrodes with thermostat/ Auto Cut , Cold Water inlet, Hot Water

outlet, Collector - Inlet and Outlet piping with insulation. Collector & Tank Stands made out of MS angle iron size shall not be not less than

35mmx35mmx3mm, CC Foundation as per the direction of Engineer incharge. (BIS 12933).

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.

Digitally signed by GOUTAM

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)

2.0 NS ELECTRIC WATER HEATING SYSTEM OF CAPACITY : 500 LPD EACH

Supply, Installation, Testing & Commissioning of 500 LPD Electric Water Heating System/ Geyser comprising Electric Heaters , internal system

piping, insulated hot water storage tank, plumbing accessories, electrical items as required. Including DLP of complete system for 2 years and Set 0 97247.83 0.00

Guarantee/warranttee of Electric water heating/Geyser unit for 5 years. Details of each items to be used in one 500 LPD system are

mentioned below:

ITEMS FOR 1 SET

SITC of 500LPD Electric Heating System/ Geyser having Hot Water Storage Tank made out of MS steel of 2.0 mm thickness and

Manufacturer Standard Dish Thickness with internal epoxy/PU coating OR SS 2 mm thick and outer precoated Aluminium Cladding over 50mm

PUF Insulation having density not less than 32Kg/Cu.mtr. Maintenance free sacrificial/Magnesium Anode, provided with Electrical Heater 2Nos.

x 3KW electrodes with thermostat/ Auto Cut , Cold Water inlet, Hot Water outlet. Storage Tank Stand made out of MS angle iron size shall not be

not less than 35mmx35mmx3mm, CC Foundation as per the direction of Engineer incharge.

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)

3.0 NS Installation of 500 litres PVC tank with MS stagging including allied works including following items complete in all respect Set 232 24693.75 57,28,950.00

i. PVC cold water tank of 500 litres. Providing and placing on terrace (at all floor levels). Polyethene water storage tank, IS:12701 marked, with

cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow piping.

ii Structural steel work in single sections, fixed with or without connecting plates, including cutting, hoisting, fixing in position, and applying a

priming coat of approved steel primer, complete in all respects.

iii Painting with synthetic enamel paint (two or more coat)

iv Transportation of steel structures and accessories to site, including loading, unloading, safe delivery, handling manpower, and on-site shifting —

v Preparation of concrete foundation base for MS tank, including excavation, PCC (Plain Cement Concrete), and finishing work. The foundation

shall be designed to withstand the load of the tank, water, and supporting structure, ensuring long-term stability and preventing settlement issues.

vi Plumbing work including fixtures with CPVC piping up to 30 meters (interconnection with existing tank and make-up tank), interconnection of

Digitally signed by GOUTAM

the new overhead tank with the existing plumbing network, installation of make-up tank, connection with foot valve to control overflow as

required, including cutting, threading, jointing, leak testing, and commissioning. Ensure seamless integration of water supply with the existing

4.0 NS Electric booster pump single phase having min 25 lpm flow with 15 meters head for filling of cold water tank complete with controller, Nos. 232 5900 13,68,800/-

wiring/cabling, complete in all respect as per direction of Engineer in-charge

Digitally signed by GOUTAM