Design, Supply, Installation, Testing and Commissioning of Central Heating System to Trauma Center Sub District Hospital Drass Kargil Ladakh.

Amount

Design, Supply, Installation testing and commissioning of all necessary and integral components / equipments(or deemed necessary ) as described hereafter ,as well as the supervision of the system and proper training of the employees that will be affected to the operation and maintenance of the system. the scope of the work includes the supply of the pre-packaged Hot Water Generator, radiator panels, Supply Return hot water circulation pipes, insulations specialized valves, equipments for Central heating system at Trauma unit Sub District Hospital Drass Kargil to provide a fully automatic system capable of producing and maintaining high precicion indoor conditions under the design limitations. Hot Water Generator Hot water, Horizontal water tube / fire tube boilers complete with water coils, combustion equipments, control panel, controls, accessories and mono block pump set or as recommended by OEM along with foundation as per OEM. The job includes SITC of common header of M.S 'C' class ERW pipe of suitable size. Capacity each 200000 Kcal/ Hr (1 stand by)

Boiler Chimney Chimney for 200000 Kcal boiler 450 mm dia, with 400 mm dia flu gas duct extrenaly mounted support raising at 12m above the Ground Level.

SITC of common header of M.S 'C' class ERW pipe of suitable size.

Pumps Hot Water Circulation Pumps Hot Water Circulation Monoblock Pump complete with electric motor of 3-ɸ, 415 V, 50 Hz, 10 HP rating along with common base frame duly grouted in cement concrete foundation. Suction 100 mm Delivery 100 mm Capacity 800 LPM at 20 m Head (2-Primary + 2Secondary)

Gear Oil Transfer Pump with electric motor of 3-ɸ, 415 V, 50 Hz, 3 HP rating along with common base frame duly grouted in cement concrete foundation. Suction 100 mm Delivery 100 mm Capacity 50 LPM

Soft water/ Glycol Pumps Soft Water Pump complete with electric motor of 1-ɸ, 230 V, 50 Hz, 1 HP rating alongwith common base frame duly grouted in cement concrete foundation. Capacity 50 LPM at 20 m Head

Tanks Bulk Oil Tank Bulk oil tank 20kl complete of 6/8 mm MS plate with manhole dully covered alongwith 9Kw Electric heating unit to be laid underground 20000 litres, size 2.5 M DIA X 4.1 M long.

Mixing Tank Hot water mixing tank made of 6/8 MM M.S. Plate with dished ends, manhole dully covered and necessary connections covered with 50 MM thick, 750 GSM insulation and finished with 24 Gauge Aluminium cladding and complete with structural support to raise the tank at least 300 mm above finish FL. 2500 litres, size 1 M DIA X 2 M long

Day Oil Tank Day oil tank of 4 MM M.S plate complete with 6 KW heating unit, manhole dully covered, Gauge Glass and structural support for mounting oil tank and ladder made out of tubular MS Section complete as per drawing. Capacity 500 litres, each size 1 m X 1 m X 1 m

Expansion Tank Hot Water Expansion Tank of 4 mm M.S complete with manhole dully covered, necessary connections covered with 50 MM thick, 750 GSM insulation and finished with 24 Gauge Aluminium cladding and structural support for mounting Expansion tank Capacity 1000 litres, each size 1m X 1m X 1m

Soft Water Tank/ Glycol Water Tank Soft water tank of HDPE (tripple layer) with necessary connection Capacity 1000 litres ,each size 1mx1mx1m

Softener Water Softening Plant having steel body with accessories viz softener pump, valve, requisite brine tank etc. complete in all respect alongwith cement concrete foundation. Capacity 1500 litres/h

Hot Water Radiators Steel panel heating radiators with working pressure ranging from 10-13 bar having highest working temperature at 110°C ,complete with Top grilles and side covers as standard alongwith inlet valve, outlet valve, air purge valve and threaded plug as per OEM. Inlet Water Temp: 75˚C Outlet Water Temp: 65˚C Room Temp: 22˚C

2000 Kcal/Hr (Double Panel Double Convector)

1500 Kcal/Hr (Double Panel Double Convector)

3000 Kcal/Hr (Double Panel Double Convector

1000 Kcal/Hr (double Panel Convector)

4000 Kcal/Hr (double Panel Convector

Piping M.S. Piping Above Ground Mild steel ERW hot water piping of class ‘C’ complete with fittings etc as per specifications

150 mm DIA

125 mm DIA

100 mm DIA

80 mm DIA

65 mm DIA

50 mm DIA

40 mm DIA

32 mm DIA

25 mm DIA

20 mm DIA

Angle Iron Supports Supports for hot water piping at various locations to be fabricated out of 4040x5 mm, 5050x5 mm, 6565x5 mm as per site requirement. Hot Water Pipe insulation

750 GSM insulation raped with UV polythene sheet, binded with chicken mesh along with 24 gauge Al/ G.I. Cladding

150 mm DIA (150 mm thick insulation)

125 mm DIA (125 mm thick insulation)

100 mm DIA (100 mm thick insulation)

80 mm DIA (80 mm thick insulation)

65 mm DIA (65 mm thick insulation)

50 mm DIA (50 mm thick insulation)

40 mm DIA (40 mm thick insulation)

32 mm DIA (32 mm thick insulation)

25 mm DIA (25 mm thick insulation)

20 mm DIA (20 mm thick insulation)

Valve

Butterfly Valve

150 mm DIA

100 mm DIA

80 mm DIA

Ball Valve

50 mm DIA

40 mm DIA

32 mm DIA

25 mm DIA

20 mm DIA

Non- Return Valves

100 mm DIA (C.I. Flanged)

50 mm DIA (GM Threaded Vertical)

Y-Strainers C.I./G.M. Y Strainer with Flanges etc. complete as per specification of the following sizes.

100 mm DIA (C.I. Flanged)

50 mm DIA (GM Threaded)

Misc. Items

Pressure Gauges Glycerinefillied as per specifications (100 mm Dial)

Thermometer as per specifications (100 mm Dial)

Air release valves with isolation ball valves (25mm)

Electrical Main Panel Main Control Panel having separate cubicals for each equipment viz. isolation for Hot Water Generator 3 No's (10hp each), Star Delta starter for Hot Water Circulation Pumps 3 No's (10hp each), DOL starter for Soft Water Pumps 2 No's (1 hp each), DOL starter Softener pump 1 No (1 hp), DOL Starter for HSD Transfer Pump 2 No's (3 hp) and three empty), 9KW for BOT (2 No), 6 KW Heater for DOT (2 No) and On-Load Change Over Switch (400 A), MCCB (400A). The control panel shall be provided with the copper bus bars dully insulated of required ratings and 3 in 1 digital Voltmeter / Ammeter / Frequency meter, indicators etc.

Electrical cable Providing and fixing PVC insulated unarmoured copper conductor cables from main panel board to various equipments to be laid over cable trays with appropriate clamps and fixing arrangements

4 Core - 6 sqmm

3 Core - 6 sqmm

3 Core - 2.5 sqmm

2 Core - 1.5 sqmm

Servo Stablizar 3-phase, Oil cooled Servo Stabilizer micro processor controlled with high and low voltage cut off, single phase preventer, short circuit and over load protection having digital display. 150 – 460 volts Phase to phase with panel as per specifications Capcity: 200 KVA with input of 150-460 Volts Phase to phase and output of 415 volts ±1% phase to phase

Earthing Earthing Pit Earthing for various equipments inside boiler house using copper plate electrode of size 500 x 500x 3 mm placed in 1000 x 1000x 1800 mm pit filled with charcoal & salt by copper strip of size 20 x 3 mm alongwith perforated G.I pipe

Earthing Strip Copper strip of size 15x3 mm from earthing electrode to the Electric Panel, Stabilizer, boiler and pumps using proper fastnersconceeled under floor.

Non toxic antifreeze (The right antifreeze product intended for use in heating boilers not automobile as the chemicals are different ) Propylene Glycol mixture is installed in the system to avoid costly water or mold contamination . The amount or volume of antifreeze need to add to reach a desired freezing temperature of -40˚C. Note: the quantity of anti-freeze is purely tentative.

Providing and fitting of freeze protection temperature hydrometer or refractometer designed to measure propylene glycol concentration in the antifreeze-water mix in the system to read the freeze Temperature.

NATIONAL ENGINEERING

M/s Bhat Engineering Works