supply installation testing commissioning of chs at mechanical division leh.- 1) hot water generator: sitc of burner to be fitted on 1 lackcal/hr boiler(to be supplied by the department). thp/f of af all boiler mountings/ accessories/contral panel and making the boiler complete functional. (1 no)2) supply of 1no standby burner of item no 1. (1 no)3) chimney fo1 kcal/hr. boilerflu gas duct extrenaly mounted support raisingwith ms sheet 3mm thick at 5-mabove the ground level. (1 no)4) tanks day oil tankhdpe (triple layer) with necessary connection , insulation and al. cladding. the job also includes steel structure of suitable height. capacity 500- liters. (1 no)expansion tankhdpe (triple layer) with necessary connection, insulation and al. cladding. the job also includes steel structure of suitable height. capacity 200 liters. (1 no) 5) hot water radiators confirming to en442 standards.steel panel heating radiators with working pressure ranging from 10-13 bar having working temperature at 110°c,complete with top grilles and side covers as standard along with inlet valve, outlet valve, air purge valve and threaded plug as per oem. inlet water temp: 70°c outlet water temp: 65°c room temp: 24+-2°ca) 2000 kcal/hr (double panel double convector) (3 no)b)3000 kcal/hr (double panel double convector (10 no) c)3500 kcal/hr (tripple panel tripple convector) (6 no)6)pipingsupply/return piping sitc of heavy duty ms class c pipes insulated with 2 thick glass wool of density 16kg/m³ or 1 thick nitrile foam with aluminium cladding and including all fittings like flanges, tee, bends, reducers etc. a. 2 dia(18 mtr)b. 1.50 dia (12 mtr)7) sitc of heavy duty ms class c pipes insulated with 2 thick glass wool of density 16kg/m³ or 1 thick nitrile foam with aluminium cladding and including all fittings like flanges, tee, bends, reducers etc a. 2 dia(10 rm)b. 1.50 dia (40 rm)c.1.1/4(35 rm) d. 1 dia(40rm) e. 3/4 dia(110 rm) f. 1/2 dia(90 rm)8) valveball valvea. 80 mm dia (4 nos)b. 65 mm dia(2 nos) c. 50 mm dia (2 nos)d. 32 mm dia(4 nos)9) misc. itemspressure gaugesglycerine fillied as per specifications (100 mm dial) (2 nos) b. thermometer as per specifications(100 mm dial) (2 nos)c. air release valveswith isolation ball valves (25mm) (6 nos)10) electrical main panel main control panel having separate cubicals for each equipment viz. isolation for hot water generator (1+1 standby) nos starter for hot water circulation pumps 2 nos(1+ 1-standby) , dol starter for soft water pumps 1 nos (1/2 hp each), dol starter softener pump 1 no (1/2 hp), dol starter for hsd transfer pump 1-nos (1/2 hp) and two empty), 1kw for bot (1 no), 1 kw heater for dot (1 no) and on-load change over switch (40 a), mccb (40a). 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 .(1 nos) electrical cableproviding 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 arrangementsa. 3 core - 2.5 sqmm (100 rm) b. 2 core - 1.5 sqmm (50 rm)11. servo stablizeroil cooled servo voltage regulatorcapcity: 50 kva with input = 250-460 volts phase to phase andoutput of 415 volts ±1% phase to phase.phase=3copper purity= 99%(or better)(1 no)12. dsitc of maintenance free earthing:-s.i.t.c. of long life maintenance free electrolytic earthling system with 10 feet vertical k type copper not less than 2”( 50.8mm) id and not less than 0.08” (2.03mm) wall thickness ,which does not require manual addition of water .the system should be corrosion resistant pre-filled with hygroscopic powder and provided with suitable breathing and leaching ports at the ends. rated for high fault currents bas bar rated for 10ka, fault current bus bar connection type as “terraweld” to withhold temperature of 7000c.the earthling port shall be designed and supplied with poly plastic port cover nonconductive, environment friendly and lockable.the job includes excavation of pit, disposal of earth, installation of rods refilling with suitable earth and leveling copper strip etc.(2 nos)13. 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. (630 ltrs)