SITC of HVAC work at Science Center champawat

Amount

Variable Refrigerant Flow Air-conditioning System Outdoor Units Supply ,Installation,Testing & Commissioning of modular type Variable Refrigerant Flow/ Variable Refrigerant Volume air cooled Outdoor units suitable for cooling and heating, having all hermetically sealed inverter type Scroll Compressor(s) , minimum two compressors for above 14HP modules, microprocessor based Controller, top discharge type condensing unit(s), with R410A Refrigerant,vibration isolators, with suitable foundation etc.complete as required. The unit shall deliver the rated capacity at AHRI Conditions and work even at 50°C ambient temperature without tripping. The unit shall be suitable to work on 400V+/-10%, 3Phase, 50HzAC power supply. The unit shall be filled with first charge of the refrigerant andready for use as required. The COP at AHRI conditions shall not be less than 3.1 and IEER not less than 6.5 .44 HP Total

Variable Refrigerant Flow Air-conditioning System Indoor Units Supply, installation, testing and commissioning of following minimum capacity and external static pressure VRF/VRV ceiling mounted ductable type Indoor unit equipped with synthetic washable media pre-filter, fansection with low noise fan/ dynamically balanced blower,multi speed motor,coil section with DX Copper coil,electronic expansion valve,outer cabinet, drain pump, grill, necessary supports,vibration isolation, cordless remote control etc., suitable for operation on single phase 230V ± 10%,50Hz AC supply, complete, as required.The unit shall have automatic force shut down provision incase offire on receiving signal from BMS System.Thecooling capacity of indoor unit will be at air inlet conditions of 27 Degree C D Band 19 Degree CWB temperature.

1.3 TR low static ducttable units (minimum 25 pascal external static pressure)

2.6 TR mid static ducttable units (minimum 45 pascal external static pressure)

3.4 TR mid static ducttable units (minimum 45 pascal external static pressure)

4.0 TR mid static ducttable units (minimum 45 pascal external static pressure)

5.5 TR high static ducttable units (minimum 110 pascal external static pressure)

Supply, installation, testing and commissioning of Circular / Rectangular type Ducted Inline fans with motor complete with TEFC Sq. Cage Induction motor suitable for 220 volts ± 10%, 50Hz ± 3 %, single phase A.C supply of class "F" insulation with , mountings accessories in all respect with wiring upto power supply point & of following capacities:

150 CFM / 15 mm total wg St. Press.

200 CFM / 15 mm total wg St. Press.

Supply, installation, testing and commissioning of Axial propeller fans manufactured from tough injection moulded polypropylene including automatic open / close louvers with motor complete motor suitable for 220 volts ± 10%, 50Hz ± 3 %, single phase A.C supply of class "F" insulation with , mountings accessories in all respect with wiring upto power supply point & of following capacities as per specification and tender drawing mentioned.6" Dia / 150 mm +10mm - Normal exhaust

Supply,installation,testing and commissining of direct driven Tube axial flow fans suitable for installing in any position in Horizontal or vertical with adjustable pitch blade, MS with powder double coated / High duty GSS long Casing, cast aluminium alloy impeller complete with TEFC Sq. Cage Induction type IE-3 motor suitable for 415 volts ± 10%, 50Hz ± 3 %, 4 Pole, three phase A.C supply of class "H" insulation motor's winding with support, mountings, vibration isolators, fire retardant flexible canvass connector 150 mm deep with 25 mm slack at Outlet etc..Motor shall be suitable for 250 °C temperature rated for 2 hours & shall be completely be accommodated inside the fan casing.

6500 CFM / 20 mm Wg

3500 CFM / 20 mm Wg

Kitchen Ventilation Fan section for Makeup fresh air Supply, Installation, Testing & Commissioning of factory fabricated Double Skinned DIDW fan section horizontal type fabricated out of extruded aluminium (1.6 mm thickness min.)section with 0.63mm thick pre-plasticide galvanised sheet outside & 0.63mm thick polished galvanised Steel sheet inside forward curved DIDW belt driven with fan motor with IE-3 rating & suitable for 415+10%, 3 Phase, 50 Hz, prefilter (EU-4) section with non woven synthetic washable media of 10µ (micron) particle size with an efficiency of 90% 4000 CFM/ ST PR 32 mm Wg/(efficiency not less than 60%).

Dry Scrubber for Exhaust Air Supply, Installation, Testing and Commissioning of Electrostatic Type Kitchen Exhaust Air Cleaner (Dry Scrubber) with SISW fan section complete with the following accessories, components etc. making it a completely functional dry scrubber suitable for Kitchen Hood Exhaust. complete in all respect as per technical specification attached. Capacity 5000 CFM @ 75 mm Wg SP propose motor 3.7 KW

PLUMBING WORKS Copper Refrigerant Piping Supply,Installation,testing and commissioning including vaccumiazation and Nitrogen testing of following nominal sizes of soft/hard drawn copper refrigerant piping for VRV/VRF or Non VRV/VRF system, complete with fittings,with suitable adjustable ring type hanger supports, jointing/brazing including accessories,insulated with XPLE Class-O tubular insulation/withClass-O closed cell elastometric nitrile rubber tubular sleeves sections of specified thickness as given below for suction and liquid lines all accessories as per specification

6.4 mm dia (OD) (Soft drawn) with tube thickness 1.2 mm with 19 mm thick insulation

9.5 mm dia (OD) (Soft drawn) with tube thickness 1.2 mm with 19 mm thick insulation

12.7 mm dia (OD) (Soft drawn) with tube thickness 1.2 mm with 19 mm thick insulation

15.86 mm dia (OD) (Soft drawn) with tube thickness 1.2 mm with 19 mm thick insulation

19.0 mm dia (OD) (Hard drawn) with tube thickness 1.2 mm with 19 mm thick insulation

22.2 mm dia (OD) (Hard drawn) with tube thickness 1.2 mm with 19 mm thick insulation

28.58 mm dia (OD) (Hard drawn) with tube thickness 1.2 mm with 19 mm thick insulation

DRAIN PIPING 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 PVCsolventcement and testing of joints complete as per direction of Engineer in Charge.

25 MM Nominal Outerdia Pipes

32 MM Nominal Outerdia Pipes

40 MM Nominal Outerdia Pipes

Insulation material for Drain Pipe Supplying, laying, fixing, testing and commissioning of following thickness closed cell elastrometric nitrile rubber of class 'O' applied by suiatable adhesive, as per specifications and as required complete in all respect.19 mm

Supply,installation, testing and commissioning of Y-joint

DUCTING, GRILLES & INSULATION WORKS Supply, installation, balancing and commissioning of factory fabricated GSS sheet metal rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports/steel wire hangers etc. as per approved drawings and specifications of following sheet thickness complete as required.

Thickness 0.63 mm sheet

Thickness 0.80 mm sheet

Rectangular / Square Ducting ( Site fabrication ) Supply, installation, balancing and commissioning of fabricated at site GSS sheet metal rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports/ steel wire rope hangers etc. as per approved drawings and specifications of following sheet thickness complete as required.

Thickness 0.63 mm sheet

Thickness 0.80 mm sheet

Supply, installation, testing and commissioning of GI volume control duct damper complete with neoprene rubber gaskets, nuts, bolts, screws linkages, flanges etc, as per specifications.

Supplying & fixing of powder coated extruded aluminium Supply Air Grills with aluminium volume control dampers as per specifications.

Supplying & fixing of powder coated extruded aluminium Return Air Grills with louvers but without volume control dampers complete as required.

Supplying, fixing testing commissioning of supply air diffusers of powder coated aluminium with aluminium volume control dampers with anti smudge ring & removable core. -

Supplying, fixing testing commissioning of Return air diffusers of powder coated aluminium without volume control dampers with anti smudge ring & removable core.

Supplying, Fixing,testing and commissioning of fire dampers in supply air duct/main branch and return air path as and where required of required sizes i/c control wiring,the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required .

a) Fire damper

b) Actuator with control panel

Duct Accoustic Lining Supply and fixing of acoustic lining of supply air duct and plenum with 25 mm thick resin bonded glass wool having density of 32 kg/m³, with 25 mm X 25 mm GI section of 1.25 mm thick, at 600 mm centre to centre covered with Reinforced Plastic tissue paper and 0.5 mm thick perforated aluminum sheet fixed to inside surface of ducts with cadmium plated nuts, bolts, stick pins, CPRX compound etc. or anti-microbial Chemically cross linked polyethlyne foam of class"O"(XLPE)complete as required and as per specifications.

Duct External Insulation Supplying and fixing of following thickness duly laminated aluminum foil of mat finish closed cell Nitrile rubber (Class "O") insulation on existing duct after applying suitable adhesive for Nitrile rubber. The joints shall be sealed with 50 mm wide and 3 mm thick self adhesive nitrile rubber tape insulation or anti-microbial Chemically cross linked polyethlyne foam of class"O"(XLPE) with Aluminium PE foil complete as per specifications and as required.

25 mm for sun exposed duct

Supplying & fixing of Underdeck insulation on RCC slab ceiling with approved sample of Class "O" closed cell Nitrile Rubber Insulation with 25 mm Thickness & density 40-55 Kg/Cum .Thermal Conductivity not exceeding 0.035 W/mK at an average Temperature of 0°C. Material shall have fire performance acc. to BS 476 Part 7 & Part 6, water vapour diffusion resistance ( μ factor ) shall be greater than 7000 & tested from third party for the parameteres.Insulation material shall be factory laminated with Aluminium Foil.

Supplying & fixing of 18 G thick Aluminium extruded powder coated Fresh / Exhaust air weather protected louvers with bird screen type i.e. louvers blade shall be at 45° inclination with blade pitch 40 mm (with Aluminium frames if required) for ventilation. as per specification and sizes will be as per tender drawing mentioned.

Supplying & fixing of aluminium extruded air non vision grille.

SUB HEAD 'D'- ELECTRIC WORKS Supply, installation, testing and commissioning of sheet metal weather proof enclosure with 25 A 4P RCBO(300mA). This shall include cable entry boxes both for incoming and outgoing cable) for VRF ODU units. The enclosure shall be IP 65/66

Supply, installation, testing and commissioning of sheet metal weather proof enclosure with 40 A 4P RCBO(300mA). This shall include cable entry boxes both for incoming and outgoing cable) for VRF ODU units. The enclosure shall be IP 65/66

Supply, installation, testing and commissioning of sheet metal weather proof enclosure with 63 A 4P RCBO(300mA). This shall include cable entry boxes both for incoming and outgoing cable) for VRF ODU units. The enclosure shall be IP 65/66

Starter Panel for Localised Tube Axial Fan Design, Fabrication, Assemble, Wiring , Supply, Errection, Testing, Commissioning of Cubical wall mounted type panel made out out of 2 mm thick CRCA GI sheet, powder coated. Complete in all respect as per technical specification attached.

POWER CABLES Supplying, laying, effecting proper termination, testing & commissioning of the following POWER CABLE sizes of 1.1 KV -PVC inner sheated,extruded PVC type ST2 sheathed & Galvanised steel strips/wire as per IS 7908 (Part-I) armoured Copper conductor cables conforming to relevant latest amended Indian Standards & aluminium lugs as per specification standard.

4C X 10 sq. mm

4C X 6 sq. mm

3C X 4 sq. mm

Supply & Laying ,testing and commissioning of control cum transmission wiring of Copper conductor shielded cable for looping between indoor & outdoor VRF system & to main Central remote controller system 2C X 1.5 Sq.mm

Supply,laying,testing and commissioning of following copper PVC insulated, sheathed unarmoured cable for indoor unit/inline fans.Cabling between 15 amp Switch socket outlet and each of the indoor units shall also be included in this cost.3C x 2.5 Sq. mm

Earthing Strip / Wires. Providing and fixing 6 SWG dia G.I. wire on surface or in recess for loop earthing as required.

Cable Tray Supplying and installing following size of perforated pre-painted M.S. cable trays with perforation not more than 17.5%, in convenient sections, joined with connectors, suspended from the ceiling with M.S. suspenders including bolts & nuts, painting suspenders etc as required.

100 mm width x 50 mm depth x 1.6 mm thickness

150 mm width x 50 mm depth x 1.6 mm thickness

TARA CHAND GURU DUTT (BID ID -385954)