PROVISION OF AIR CONDITIONING FOR INTEGRATED BOILER SHOP AT NAVAL DOCKYARD MUMBAI

Amount

VARIABLE REFRIGERANT FLOW SYSTEM Supply, installation, testing and commissioning of aircooled variable refrigerant flow modular type airconditioning system with R410a refrigerant suitable for 415±10%, 50 cycles.The unit shall consist of indoor and out door units with individual controller as per detail given in specifications and having following items : (These items are to be given in Indian rupees with custom duites, inland frt,clearance etc on Site basis)

Modular type outdoor units equipped with highly efficient inverter type scroll compressors with special precoated heat exchanger, low noise condenser fan housed in compact housing duly powder coated and Outdoor unit having COP at 100% load to be minimum 3.4 to 3.5. of following capacitites:

Cost of R 410 A Gas should be inclusive

The outdoor unit should include all loading, unloading, transportation,Suitable Foundation power cabling/wiring from near the indoor and outdoor units respectively.

Outdoor Units , Fully Gas Charged

VRV Zone-1,2- 60 HP

Ceiling Mounted Ductable Type indoor unit - VRV

Supply, installation, testing and commissioning of ceiling mounted mid static ductable type indoor unit with cordless/corded remote controller.Fully Factory assembled,wired and tested Indoor Units as per specifications ans as required to make the system complete.

335-494 CFM / 1.0-1.05 TR

525-565 CFM / 1.25-1.33 TR

565-635 CFM / 1.6-1.65 TR

670-740 CFM / 1.7-2.1 TR

875-883 CFM / 2.5-2.65 TR

1270-1624 CFM /4.55- 4.75 TR

2200-2295 CFM / 6.35-6.5 TR

2542-2825 CFM / 8.0-8.02 TR

Touch screen controller for indoor units controller - VRV

Supply, installation, testing and commissioning of LED Display Type Centralized Controller (Which can control 25 nos. indoor units in terms of ON/Off Status, temp. Status, Fan Speed, ODU On/Off Status etc.) with all accessories and controls.

Floor/ Ceiling Mounted Horizontal Air Handling Units (FM AHU)

1500 CFM,3.0 TR, 6- Row Deep DX cooling coil (1 Nos. Coils), 65 mm Static Pressure, with Pre & Fine filter, Mixing Box , thermal break profile and with three phase motor suitable for VFD drive

4500 CFM,11.5 TR, 6- Row Deep DX cooling coil (1 Nos. Coils), 40 mm Static Pressure, with Pre filter, Mixing Box , thermal break profile and with three phase motor suitable for VFD drive

REMOTE CONTROLLERS

Supply, installation, tesing and commissioning of Imported Remote controllers (Corded) for operation of ductable indoor units/AHU.

Accessories

SITC of Expansion and control Kit Required for the above AHU to make the system complete

Supply, installation, testing and commissioning of Interconnecting refrigerant pipe work with ( 19mm thick) closed cell elastomeric nitrile rubber tubular insulation between each set of indoor & outdoor units as per specifications, all piping inside the room shall be properly supported with hangers and all external piping with UV coating shall run in cable tray.

Supply, installation, testing and commissioning of imported refrigerant Y- joints/ headers.

Supply, installation, testing, termination and commissioning of control cum transimission wiring (should be shielded cable in PVC Pipe) of 2C x 1.5 Sqmm Cu between indoor unit and out door unit and indoor units and its remote controller.

Providing and fixing and in position the following PVC pipes for condensate drain duly insulated with kinny foam & vapour barrier duly secured with adhesive tape as per specification ,cut to required length and installed with all joints , including the necessary fittings. (For all the indoor units upto the main header in the shaft dor vertical risers)

25 mm dia

32 mm dia

40 mm dia

CANVASS CONNECTION

Supply,Installation,Testing and commissioning of doble layer canvas connection with 1/2 hr. fire rating as per specification.

VENTILATION SYSTEM Tube Axial Flow fans SITC of Long case Tube axial flow fans, as per specifications and approved makes suitable for three phase operation at 960/1450 RPM respectively Normal/Smoke case.

7500 CFM for Liftwell pressurization, 40 mm S.P.

9500 CFM for Liftwell pressurization, 40 mm S.P.

14500-15500 CFM for Basement Make Up Air, 25 mm S.P.

4500 CFM for 3rd Mezz. Make Up Air, 25 mm S.P.

2000 CFM for Pump Room Exh., 25 mm S.P.

14500-15500 CFM for Basement Smoke Extract Air, 25 mm S.P.

4500 CFM for 3rd Mezz. Smoke ext. Air, 25 mm S.P.

AIR CURTAIN

Supply,installation testing and commissioning of AIR CURTAIN of following size with Door switch or sensor as per approved make .(At ground entrance)

2100 mm long (High flow type)

1800 mm long (High flow type)

1500 mm long (High flow type)

1200 mm long (High flow type)

AIR DISTRIBUTION Site Fabricated Duct Supply, Fabrication, Installation and testing of sheet metal ducts in accordance with the approved shop drawings and specifications, and shall also confirm to the BIS specifications. The duct shall be fabricated at site for to suit pieces.

0.63mm (24 gauge) GSS

0.8 mm (22 gauge) GSS

1.0mm (20 gauge) GSS

Supplying, installing, testing and balancing of aluminium supply/return air grills of various sizes. Each grill shall be with fixed horizontal front bar at Zero/15 Deg deflection through the collar and register.

Aluminium Supply air grills with damper

Aluminium supply air square diffuser with damper

Aluminium return/exhaust air square diffuser without damper.

GI Volume control dampers for ducts

Fresh Air/Exhaust Air Louvers Supply, Installation, Testing and Commissioning of extruded aluminium louvres with frame bird screeen , mounting arrangement etc. as per specifications and drawings.

MECHANICAL INSULATION DUCT LINE ACOUSTIC TREATMENT Supply and Application of Acoustic Insulation 12-13 mm thick Inside the Duct with Engineered Nitrile Rubber open cell foam with Density 140 - 180 Kg/m3 passing Class 1 Fire Performance test as per BS 476 Part 7, Air Erosion test for 10,000 fpm air velocity as per ASTM C 1071-05 and with built-in EPA approved antimicrobial protection; to be applied using manufacturer's recommended Rubber based Adhesive in a blend of solvents.

Supply & Installation of Thermal Insulation 9 mm thick with pre laminated 7 mil Glass cloth covering over Closed Cell Class O Nitrile Rubber Elastomeric Insulation & built-in EPA approved antimicrobial protection of Density 40 - 55 Kg/m3, Thermal Conductivity of 0.033 W/mk at 0 Deg Celcius Mean Temp. and µ≥10000 (without any additional vapour barrier), to be applied on Ducts using manufacturer's recommended Rubber based Adhesive in a blend of solvents.

Exposed Roof Insulation Supply,application of 15mm thick under deck insulation of roof exposed to direct sun , with elastomeric Nitrile Rubber with Alu foil faced.Rubber based contact adhesive recommended by the manufacturer shall be used. The foam sheets shall be cut to required size and a thin layer of adhesive shall be applied to both the surfaces; ceiling and insulation,it is applied / stuck with enough pressure to the walls/ceiling. Minimum 5 fasteners with washer (of G.I Sheet 2.5 inch x 2.5 inch) / square meter, 4 at corners & 1 at centre shall be put immediately after sticking with the help of adhesive. The length of the fastener shall be minimum 75 mm

Supplying, Installation, Testing and Commissioning of dust, damp and vermin proof free floor standing / wall mounted factory built sheet steel enclosed modular construction extendable panel, suitable for operation on 415 + 10% volts, 50 Hz AC 3 phase 4 wire system fabricated out of suitable sized square tubular section and covered with 2.0mm thick CRCA sheet, hinged doors of 2mm thick CRCA sheet, duly painted complete with aluminium bus bars, interconnection with solid copper conductor wires / aluminium strips, neutral links, earth bus etc. necessary metering protections & indications and mounted with the following as per drawing and technical specifications attached etc. complete as required.

Main HVAC Panel

INCOMING:

1 No 250 Ampere TPN MCCB with overcurrent and short circuit releases

Coloured (Red, Yellow, Blue) phase indicating lamp - 1 set

Digital flush type class-1.0 accuracy multifunction meter showing V, A, PF, KVAR , KWH, Frequency / Harmonics etc. with 3 Nos. current transformers of 250/5 ratio, 15 VA Class 1.0 metering.

BUSBAR:

300 Amp. TPN, Al. Bus Bar

OUTGOINGS:

100A, TPN MCCB with 25KA breaking capacity - 4 Nos.

16A, TP MPCB with 25KA breaking capacity - 3 Nos

HVAC STARTER PANELS

Supplying, Installation, Testing and Commissioning of dust, damp and vermin proof wall mounted factory built sheet steel enclosed modular construction extendable panel, suitable for operation on 415 + 10% volts, 50 Hz AC 3 phase 4 wire system fabricated out of suitable sized square tubular section and covered with 2.0mm thick CRCA sheet, hinged doors of 2mm thick CRCA sheet, duly painted complete with aluminium bus bars, interconnection with solid copper conductor wires / aluminium strips, neutral links, earth bus etc. necessary metering protections & indications and mounted with the following as per drawing and technical specifications attached etc. complete as required. in addition to normal operation The Starter should have provision for Potential Free Contacts so that necessary command from Control Module of Fire Alarm Panel can be received, starter should shut down or start the Motor as per command from control module of Fire Alarm Panel, Note necessary cable,along with termination & brass gland as required from Starter Panel to AHU Motor/Smoke Extraction Fan/other Motor should be included n this item

Supply, Installation, testing, commissioning complete with end termination Aluminium thimbles for aluminium conductor cables and copper thimbles for copper conductor cables will be used) of 1100 V grade aluminium / copper conductor (as specified below) extruded XLPE insulated PVC innersheath, unarmoured / GI wire/tape armoured (as specified below) and outer PVC sheathed cable of following specifications and sizes in trenches, cable racks or trays or pipes, including supply of GI clamps and screws and providing aluminum cable tags at every 20 metres and at both termination points, including unloading and transportation of cables at site, unpacking, complete with labour and material

3.5C x 35 sq. mm Al. cable

3.5C x 2.5 sq. mm Cu. cable

Note: The scope of work include the following and rate deemed to be included in quoted rate

a) The supply and return air duct sizes shall be suitably designed so that the crane movement shall be not effect.

b) The Ceiling Mounted AHU install with channel support under the AHU shall be confirming as per technical specifications and configurations.

c) The design shall meet the air-conditioning requirement of building ground + 1st floor , 3rd Mezz., 2nd Floor which is central air-conditioning by VRV System. Total areas 11482 sqft., Height is 13 ft. All as per drawing enclosed and including following:

i) Indoor Conditions: 75±2°F and RH lessthan 65% , out door design conditions: Mumbai weather conditions

ii) Provision of 4mm thick gypsum board/suitable material as approved for boxing supply air and return air with supporting MS brackets.

iii)The GI Duct sheet gauge shall be as per technical specification and configure in boq.

iv) Supply/Return air ducting shall be adequately insulated with acoustic insulation with suitable insulating materials as per specification and configuration in boq. As per OEM recommendation and air ducting which is planned as per tender drawings.

v) The Refrigerant suction/discharge copper piping which is installed VRV Outdoor to Indoor Units/AHU shall be insulated with suitably material as per specification and configuration in boq.

vi) The contractor shall be submit All technical submittal/Cataloge of air-conditioning equipment and materials with GA dwgs ,SLD and shop drawings. to related Department and after approval from department, Execution work start at site. and training to client maintenance staff with cataloge at handover time.

vii) Bill of materials in tender documents are approximate. The contractor shall be responsible has to provide all site and functional requirement with no addendum items and rates.

viii)The contractor shall conduct summer, monsoon and winter test of AC System as per standard procedure applicable for air-conditioning plants or all directed by engineer in charge.

BRITE INDUSTRIES (BID ID -3391131)