Kerala State Housing Board Tender

od231912/2021_2022 : AHUs:<br>Supply, store, installation, testing & commissioning of floor mounted Air Handling Units with thermal break profile with a minimum panel thickness of 50 mm complete with DX cooling coil , Plug fan with VFD and its enclosure of IP 21 rating for indoor applications and IP 54 for outdoor applications, fan motor shall be of efficiency grade IE3, cleanable fabric filters of MERV 8 rating, fine filters MERV 14 rating (Both can be accomodated on a single frame) strip heaters of capacity in kW as mentioned below , condensate drain pan, coil piping connections, condensate drain connections, flexible duct connectors and mixing box. The fan should deliver the design cfm at 50 Hz or lower.The electrical power wiring from the Isolator to the unit upto 3m shall be included in this scope. HVAC contractor should check the available ceiling spaces during the AHU selections/sizing, and shall strictly limit the AHU dimensions accordingly, as no changes whatsoever shall be acceptable. Air balancing to be done as per the approved shop drawings at the time of commissioning. The AHUs should meet the sound levels of 55 dbA as back ground noise in rooms or in waiting areas .The system shall be complete in all respects of commissioning. 6.5 TR, 2600 cfm, 40mm ESP, 6 kW SH, 6RD ( Recovery)<br>

od231915/2021_2022 : "AHUs:<br>Supply, store, installation, testing & commissioning of floor mounted Air Handling Units with thermal break profile with a minimum panel thickness of 50 mm complete with DX cooling coil , Plug fan with VFD and its enclosure of IP 21 rating for indoor applications and IP 54 for outdoor applications, fan motor shall be of efficiency grade IE3, cleanable fabric filters of MERV 8 rating, fine filters MERV 14 rating (Both can be accomodated on a single frame) strip heaters of capacity in kW as mentioned below , condensate drain pan, coil piping connections, condensate drain connections, flexible duct connectors and mixing box. The fan should deliver the design cfm at 50 Hz or lower.The electrical power wiring from the Isolator to the unit upto 3m shall be included in this scope. HVAC contractor should check the available ceiling spaces during the AHU selections/sizing, and shall strictly limit the AHU dimensions accordingly, as no changes whatsoever shall be acceptable. Air balancing to be done as per the approved shop drawings at the time of commissioning. The AHUs should meet the sound levels of 55 dbA as back ground noise in rooms or in waiting areas .The system shall be complete in all respects of commissioning.8TR, 3200 cfm, 50 mm ESP, 8 Kw, 6RD (Post OP)<br><br>

od231919/2021_2022 : AHUs:<br>Supply, store, installation, testing & commissioning of floor mounted Air Handling Units with thermal break profile with a minimum panel thickness of 50 mm complete with DX cooling coil , Plug fan with VFD and its enclosure of IP 21 rating for indoor applications and IP 54 for outdoor applications, fan motor shall be of efficiency grade IE3, cleanable fabric filters of MERV 8 rating, fine filters MERV 14 rating (Both can be accomodated on a single frame) strip heaters of capacity in kW as mentioned below , condensate drain pan, coil piping connections, condensate drain connections, flexible duct connectors and mixing box. The fan should deliver the design cfm at 50 Hz or lower.The electrical power wiring from the Isolator to the unit upto 3m shall be included in this scope. HVAC contractor should check the available ceiling spaces during the AHU selections/sizing, and shall strictly limit the AHU dimensions accordingly, as no changes whatsoever shall be acceptable. Air balancing to be done as per the approved shop drawings at the time of commissioning. The AHUs should meet the sound levels of 55 dbA as back ground noise in rooms or in waiting areas .The system shall be complete in all respects of commissioning. 4TR, 1600cfm, 45 mm ESP, 4.5 Kw, 6RD ( CSSD)<br>

od231925/2021_2022 : AHUs:<br>Supply, store, installation, testing & commissioning of floor mounted Air Handling Units with thermal break profile with a minimum panel thickness of 50 mm complete with DX cooling coil , Plug fan with VFD and its enclosure of IP 21 rating for indoor applications and IP 54 for outdoor applications, fan motor shall be of efficiency grade IE3, cleanable fabric filters of MERV 8 rating, fine filters MERV 14 rating (Both can be accomodated on a single frame) strip heaters of capacity in kW as mentioned below , condensate drain pan, coil piping connections, condensate drain connections, flexible duct connectors and mixing box. The fan should deliver the design cfm at 50 Hz or lower.The electrical power wiring from the Isolator to the unit upto 3m shall be included in this scope. HVAC contractor should check the available ceiling spaces during the AHU selections/sizing, and shall strictly limit the AHU dimensions accordingly, as no changes whatsoever shall be acceptable. Air balancing to be done as per the approved shop drawings at the time of commissioning. The AHUs should meet the sound levels of 55 dbA as back ground noise in rooms or in waiting areas .The system shall be complete in all respects of commissioning3 TR, 1200 cfm, 25mm ESP, 3 kW, 6RD ( NICU)<br>

od231926/2021_2022 : AHUs:<br>Supply, store, installation, testing & commissioning of floor mounted Air Handling Units with thermal break profile with a minimum panel thickness of 50 mm complete with DX cooling coil , Plug fan with VFD and its enclosure of IP 21 rating for indoor applications and IP 54 for outdoor applications, fan motor shall be of efficiency grade IE3, cleanable fabric filters of MERV 8 rating, fine filters MERV 14 rating (Both can be accomodated on a single frame) strip heaters of capacity in kW as mentioned below , condensate drain pan, coil piping connections, condensate drain connections, flexible duct connectors and mixing box. The fan should deliver the design cfm at 50 Hz or lower.The electrical power wiring from the Isolator to the unit upto 3m shall be included in this scope. HVAC contractor should check the available ceiling spaces during the AHU selections/sizing, and shall strictly limit the AHU dimensions accordingly, as no changes whatsoever shall be acceptable. Air balancing to be done as per the approved shop drawings at the time of commissioning. The AHUs should meet the sound levels of 55 dbA as back ground noise in rooms or in waiting areas .The system shall be complete in all respects of commissioning 5.5 TR, 2200 cfm, 40mm ESP, 6 kW, 6RD ( ICUs)<br>

od231929/2021_2022 : AHUs:<br>Supply, store, installation, testing & commissioning of ceiling suspended Air Handling Units with thermal break profile with a minimum panel thickness of 50 mm complete with DX cooling coil , Plug fan with VFD and its enclosure of IP 21 rating for indoor applications and IP 54 for outdoor applications, fan motor shall be of efficiency grade IE3, cleanable fabric filters of MERV 8 rating, fine filters MERV 14 rating (Both can be accomodated on a single frame) strip heaters of capacity in kW as mentioned below , condensate drain pan, coil piping connections, condensate drain connections, flexible duct connectors. The fan should deliver the design cfm at 50 Hz or lower.The electrical power wiring from the Isolator to the unit upto 3m shall be included in this scope. HVAC contractor should check the available ceiling spaces during the AHU selections/sizing, and shall strictly limit the AHU dimensions accordingly, as no changes whatsoever shall be acceptable. Hydronic and air balancing to be done as per the approved shop drawings at the time of commissioning. The AHUs should meet the sound levels of 55 dbA as back ground noise in rooms or in waiting areas .The system shall be complete in all respects of commissioning. 2.5 TR, 1000 cfm, 10 mm ESP, 6RD ( D XRAY)<br>

od231930/2021_2022 : AHUs:<br>Supply, store, installation, testing & commissioning of ceiling suspended Air Handling Units with thermal break profile with a minimum panel thickness of 50 mm complete with DX cooling coil , Plug fan with VFD and its enclosure of IP 21 rating for indoor applications and IP 54 for outdoor applications, fan motor shall be of efficiency grade IE3, cleanable fabric filters of MERV 8 rating, fine filters MERV 14 rating (Both can be accomodated on a single frame) strip heaters of capacity in kW as mentioned below , condensate drain pan, coil piping connections, condensate drain connections, flexible duct connectors. The fan should deliver the design cfm at 50 Hz or lower.The electrical power wiring from the Isolator to the unit upto 3m shall be included in this scope. HVAC contractor should check the available ceiling spaces during the AHU selections/sizing, and shall strictly limit the AHU dimensions accordingly, as no changes whatsoever shall be acceptable. Hydronic and air balancing to be done as per the approved shop drawings at the time of commissioning. The AHUs should meet the sound levels of 55 dbA as back ground noise in rooms or in waiting areas .The system shall be complete in all respects of commissioning3 TR, 1200 cfm, 15 mm ESP, 6RD ( XRAY)<br>

od231933/2021_2022 : AHUs:<br>Supply, store, installation, testing & commissioning of ceiling suspended Air Handling Units with thermal break profile with a minimum panel thickness of 50 mm complete with DX cooling coil , Plug fan with VFD and its enclosure of IP 21 rating for indoor applications and IP 54 for outdoor applications, fan motor shall be of efficiency grade IE3, cleanable fabric filters of MERV 8 rating, fine filters MERV 14 rating (Both can be accomodated on a single frame) strip heaters of capacity in kW as mentioned below , condensate drain pan, coil piping connections, condensate drain connections, flexible duct connectors. The fan should deliver the design cfm at 50 Hz or lower.The electrical power wiring from the Isolator to the unit upto 3m shall be included in this scope. HVAC contractor should check the available ceiling spaces during the AHU selections/sizing, and shall strictly limit the AHU dimensions accordingly, as no changes whatsoever shall be acceptable. Hydronic and air balancing to be done as per the approved shop drawings at the time of commissioning. The AHUs should meet the sound levels of 55 dbA as back ground noise in rooms or in waiting areas .The system shall be complete in all respects of commissioning4.5 TR, 1200 cfm, 15 mm ESP, 3 kW SH, 6RD ( CT scan )<br>

od231934/2021_2022 : AHUs:<br>Supply, store, installation, testing & commissioning of ceiling suspended Air Handling Units with thermal break profile with a minimum panel thickness of 50 mm complete with DX cooling coil , Plug fan with VFD and its enclosure of IP 21 rating for indoor applications and IP 54 for outdoor applications, fan motor shall be of efficiency grade IE3, cleanable fabric filters of MERV 8 rating, fine filters MERV 14 rating (Both can be accomodated on a single frame) strip heaters of capacity in kW as mentioned below , condensate drain pan, coil piping connections, condensate drain connections, flexible duct connectors. The fan should deliver the design cfm at 50 Hz or lower.The electrical power wiring from the Isolator to the unit upto 3m shall be included in this scope. HVAC contractor should check the available ceiling spaces during the AHU selections/sizing, and shall strictly limit the AHU dimensions accordingly, as no changes whatsoever shall be acceptable. Hydronic and air balancing to be done as per the approved shop drawings at the time of commissioning. The AHUs should meet the sound levels of 55 dbA as back ground noise in rooms or in waiting areas .The system shall be complete in all respects of commissioning 6.5 TR, 1200 cfm, 15 mm ESP, 4 kW SH, 8RD ( LAB )<br>

od231935/2021_2022 : AHUs:<br>Supply, store, installation, testing & commissioning of ceiling suspended Air Handling Units with thermal break profile with a minimum panel thickness of 50 mm complete with DX cooling coil , Plug fan with VFD and its enclosure of IP 21 rating for indoor applications and IP 54 for outdoor applications, fan motor shall be of efficiency grade IE3, cleanable fabric filters of MERV 8 rating, fine filters MERV 14 rating (Both can be accomodated on a single frame) strip heaters of capacity in kW as mentioned below , condensate drain pan, coil piping connections, condensate drain connections, flexible duct connectors. The fan should deliver the design cfm at 50 Hz or lower.The electrical power wiring from the Isolator to the unit upto 3m shall be included in this scope. HVAC contractor should check the available ceiling spaces during the AHU selections/sizing, and shall strictly limit the AHU dimensions accordingly, as no changes whatsoever shall be acceptable. Hydronic and air balancing to be done as per the approved shop drawings at the time of commissioning. The AHUs should meet the sound levels of 55 dbA as back ground noise in rooms or in waiting areas .The system shall be complete in all respects of commissioning 7.5 TR, 3000 cfm, 20mm ESP, 6RD ( Triage )<br>

Ducted type Split / Package air cooled AC

od231893/2021_2022 : Supply, Installation, Testing and Commissioning of Hi-wall type split air conditioners, air cooled type with evaporator coil made of copper tubes, fan and fan motor air cooled condenser with copper tubes and inverter type scroll compressor , cordless remote control, GSS casing, filters, cooling coils, fan motors, and control panel. Bidder to elaborate the features of Micro- processor panel.The quote should be inclusive of control cabling from machine out door to indoor or from control panel to indoor and power cabling along with earthing.This shall facilitate all functions such as ON OFF thermostat to compressor control, fan interlocks, HP/LP & AFT controls etc. And MS base frame for outdoor units complete with epoxy painting, vibration isolation pads, supports, hangers, railing, brackets etc including civil works. Note: Apply 2 coats of epoxy primer and 2 coats of black paint, The air conditioner unit should be provided with a required voltage stabilizer and up to 5Rmt.copper piping between indoor and outdoor unit as specified in section( 6). Condenser and evaporator coils shall be equipped with copper tubes. Minimum 5 star rated if not specified. The refrigerant shall be eco-friendly gasses like R-410A /R 407C/ R32. The capacities are as 1 TR<br>

od231901/2021_2022 : Supply, Installation testing and commissioning of Ducted type split/package air cooled Air-conditioners each complete with inverter type scroll compressor, air cooled condenser and evaporator with copper tubes, GSS casing, filters, cooling coils, fan motors, control wiring, refrigerant controls and accessories, including MICRO-PROCESSOR CONTROL with indication lamps for the operation of the system with thermostat fixed in the respective rooms to adjust the temperature according to the equipments requirements with Micro- processor control panel for each machine. Bidder to elaborate the features of Micro- processor panel. GI painted frame works for outdoor units & making good of civil work's. Bidder shall be quoted with spring type vibration isolators for indoor units for arresting the vibration transferring to the floors.The quote should be inclusive of control cabling from machine out door unit to indoor unit and from from DB to indoor unit power cabling along with earthing. This shall facilitate all functions such as ON OFF thermostat to compressor control, fan interlocks, HP/LP & AFT controls etc. And MS base frame for outdoor units complete with epoxy painting, vibration isolation pads, supports, hangers, railing, brackets etc including civil works. Note: Apply 2 coats of epoxy primer and 2 coats of black paint, Each air conditioner unit should be provided with 10 Rmt.of copper piping between indoor unit to outdoor unit Refrigerant piping . The refrigerant shall be ecofriendly like R410a, R407c,R32 etc 2 TR, 800 cfm (suturing room) - NON INVERTER<br>

Out Door Unit

od231895/2021_2022 : Supply, Installation ,Testing & commissioning of Condensing unit with R-410A /R 407C/ R32gas. It should include, temperature controller, and sensors along with the control box, its transformer, relays, necessary power and control wiring between the thermostat, controller, and the communication cabling between the out door and temp.controller .All the fittings associated with the unit like - but not limited to -filter, drier etc. to be considered and can not charge separately. The capacities for the same is listed under. 8.5 TR <br><br>

od231906/2021_2022 : Supply, Installation ,Testing & commissioning of Condensing unit with R-410A /R 407C/ R32gas. It should include, temperature controller, and sensors along with the control box, its transformer, relays, necessary power and control wiring between the thermostat, controller, and the communication cabling between the out door and temp.controller .All the fittings associated with the unit like - but not limited to -filter, drier etc. to be considered and can not charge seperately. The capacities for the same is listed under 5.5 TR<br>

od231913/2021_2022 : Supply, Installation ,Testing & commissioning of Condensing unit with R-410A /R 407C/ R32gas. It should include, temperature controller, and sensors along with the control box, its transformer, relays, necessary power and control wiring between the thermostat, controller, and the communication cabling between the out door and temp.controller .All the fittings associated with the unit like - but not limited to -filter, drier etc. to be considered and can not charge seperately. The capacities for the same is listed under 11.5 TR ( 4 NOS. OF STANDBY INCLUDED FOR OTs )<br>

Low Side - Refrigerant Pipe

od231898/2021_2022 : "Supply,Installation and commissioning of copper refrigerant piping, complete with 10mm thick closed cell Class O Nitrile Rubber Insulation , fittings, elbows, bends, supporting and clambing arrangement on walls, cable trays/trenches including necessary civil works.<br>Refrigerant piping to be measured based on the distance between the indoor and outdoor units irrespective of number of circuits. The piping will be measured as one length for suction and liquid line. Insulation will be measured along with the piping and not be claimed as extra. <br><br>Copper tubes, shall be with thickness conforming to L type to ATM standards.The tubes shall be bright annealed copper upto and including 15 mm size."<br>

Low Side Drain Piping

od231897/2021_2022 : Supply, installation, testing & commissioning of following sizes insulated PVC drain pipe' from terminal units (AHUs, split units etc.) drain pans to nearest floor drain complete with interconnection, flanges, elbows, tees, nuts, U-trap etc. The insulation shall be 9 mm thick closed cell Class O Nitrile Rubber foam insulation. ( Upto the nearest shaft) 25 mm dia. <br>

od231907/2021_2022 : Supply, installation, testing & commissioning of following sizes insulated PVC drain pipe' from terminal units (AHUs, split units etc.) drain pans to nearest floor drain complete with interconnection, flanges, elbows, tees, nuts, U-trap etc. The insulation shall be 9 mm thick closed cell Class O Nitrile Rubber foam insulation. ( Upto the nearest shaft)<br> 32mm dia. <br>

Air Distribution Works - Sheet Metal Works

od231892/2021_2022 : Supply, store, installation, testing & commissioning of Acoustic Insulation for ducts and the return plenum using nitrile rubber, open cell foam, fibre free, minimum density of 140 kg/cu.m should have microban, as per ASTM G-21, ASTM E-2180, thermal conductivity not exceeding 0.047 W/m.K at 20 C, conform to class 1 rating for flame spread in accordance to BS 476 part 7, to thickness of minimum of 10mm all inline with the specificatoin and to meet the design noise criteria. (ARMACELL, THERMOBREAK, K-FLEX, A-FLEX or equal). The system shall be complete in all respects forcommissioning. Not to be applied in OT and ICU units. Acoustic liner 10mm<br><br>

od231908/2021_2022 : Supply and Return ductwork complete running in Plant rooms, External Roof and in Risers.(Thickness-25 mm) covered with aluminium sheets of 26 gauge. (ARMACELL, K-FLEX,A-FLEX,superlon<br>

od231911/2021_2022 : "Supply, Fabrication, installation, testing & commissioning of Site fabricated Aluminium ducting complete with splitter dampers, turning vanes, access doors, supports, etc Ducting to be as per SMACNA standards.All ducts shall be fabricated from aluminium sheets conforming to IS:737<br>Longest side (mm) Minimum sheet thickness<br><br> For GSS For Aluminium<br>750 mm and below 0.63 0.80<br>751 mm to 1500 mm 0.80 1.00<br>1501 mm to 2250 mm 1.00 1.50<br>2251 mm & above 1.25 1.80"<br>24G<br>

od231916/2021_2022 : "Supply, Fabrication, installation, testing & commissioning of Site fabricated Aluminium ducting complete with splitter dampers, turning vanes, access doors, supports, etc Ducting to be as per SMACNA standards.All ducts shall be fabricated from aluminium sheets conforming to IS:737<br>Longest side (mm) Minimum sheet thickness<br><br> For GSS For Aluminium<br>750 mm and below 0.63 0.80<br>751 mm to 1500 mm 0.80 1.00<br>1501 mm to 2250 mm 1.00 1.50<br>2251 mm & above 1.25 1.80"<br>20 Gauge (1.00MM)<br>

od231920/2021_2022 : Supply, Fabrication, installation, testing & commissioning of Site fabricated Aluminium ducting complete with splitter dampers, turning vanes, access doors, supports, etc Ducting to be as per SMACNA standards.All ducts shall be fabricated from aluminium sheets conforming to IS:737<br>Longest side (mm) Minimum sheet thickness<br><br> For GSS For Aluminium<br>750 mm and below 0.63 0.80<br>751 mm to 1500 mm 0.80 1.00<br>1501 mm to 2250 mm 1.00 1.50<br>2251 mm & above 1.25 1.80<br>22 Gauge (0.8MM)<br>

od231923/2021_2022 : Supply, Fabrication, installation, testing & commissioning of Site fabricated GSS ducting complete with splitter dampers, turning vanes, access doors, supports, etc Ducting to be as per SMACNA standards. Galvanizing shall be class VII-light coating of zinc, nominal 120 gm/sq.m and lock forming quality prime material. All exposed duct work should be painted with 2 coats of epoxy primer and 2 coats of epoxy paint.All the supports of the duct will be painted to match the ducting.<br>Longest side (mm) Minimum sheet thickness<br><br> For GSS For Aluminium<br>750 mm and below 0.63 0.80<br>751 mm to 1500 mm 0.80 1.00<br>1501 mm to 2250 mm 1.00 1.50<br>2251 mm & above 1.25 1.80<br>24 Gauge (0.63MM)<br>

Air Termination

od231894/2021_2022 : Supply, store, installation, testing & commissioning of Grilles, Diffusers with plenums and Dampers as specified below. The system shall be complete in all respects forcommissioning.(COSMOS , SYSTEMAIR, ENTECH ADP) <br>Exhaust air grille<br>

od231905/2021_2022 : Supply, store, installation, testing & commissioning of Grilles, Diffusers with plenums and Dampers as specified below. The system shall be complete in all respects forcommissioning.(COSMOS , SYSTEMAIR, ENTECH ADP) <br>4 Way Return Air Square Diffusers<br>

od231910/2021_2022 : Supply, store, installation, testing & commissioning of Grilles, Diffusers with plenums and Dampers as specified below. The system shall be complete in all respects for commissioning (COSMOS , SYSTEMAIR, ENTECH ADP) 4 Way Supply Air Square Diffusers with opposed blade dampers<br><br>

od231914/2021_2022 : Supply, store, installation, testing & commissioning of powder coated Louvers at all air intake locations and extract locations. The system shall be complete in all respects forcommissioning.<br>(AMENSCO,AAF,IMPEC,SPECTRUM)<br>

od231921/2021_2022 : Supply, store, installation, testing & commissioning of Volume Control dampers in accordance with DW 144 / 154 on ductwork air distribution and extract systems to regulate airflow and balancing the air systems to adequately balanace whether or not, these are indicated on the drawings.The system shall be complete in all respects for commissioning. <br>Aluminium volume control damper.<br><br>

od231922/2021_2022 : Supply, store, installation, testing & commissioning of Volume Control dampers in accordance with DW 144 / 154 on ductwork air distribution and extract systems to regulate airflow and balancing the air systems to adequately balanace whether or not, these are indicated on the drawings.The system shall be complete in all respects for commissioning. <br>(COSMOS,SYSTEMAIR)<br>GI volume control damper.<br>

Control Wiring

od231899/2021_2022 : Supply, store, installation, testing & commissioning of Differential pressure transmitters (devices, cabling, instrumentation) with 0.1 Pa resolution and will work in the range 0 to 35 Pa minimum . The rates of monitor and all other related accessories should be considered along with this lineitem and can not be charged seperately. The system shall be complete in all respects for commissioning.(HONEYWELL, JOHNSON CONTROLS,SIEMENS) (NOVITA, BRY AIR, WHITEWESTING HOUSE)<br><br><br>

od231904/2021_2022 : Supply, installation, testing and commissioining of humidity control panel with 3 phase indication lamps,auto manual selector switch,on off push buttons with indications,overload relay, incomming MCB, Humiidstat,heater digital thermostat, safety thermostat, contactors,humidity digital display ,temperature digital display,trip indication.The control panel shall be made from 16 Gauge CRCA sheet with powder coat finish.Logic-Heaters to be operate automatically when the selector switch is in Auto mode and whenever operator wants to control the humidity in manual mode keep the Auto manual selector switch in manual mode and switch On the heater bank<br>(HONEYWELL, ANERGY, JOHNSON CONTROLS)<br>

LAMINAR PLENUM

od231891/2021_2022 : Supply, store, installation, testing & commissioning of Stainless steel Laminar flow panels with HEPA filters for the OT's as per the specifications and drawings, all in line with the OT standards. Necessary test points / provisions for fixing sensors to be provided. The system shall be complete in all respects forcommissioning. The contractor need to be responsible for the final validation of the OT and handing over.<br>(AMENSCO,AAF,IMPEC,SPECTRUM)<br>8' x 8'<br><br>

EXTRACT AND FRESH AIR FANS

od231900/2021_2022 : Supply, store, installation, testing & commissioning of Axial fan with bird cowl.<br>300 CFM<br>

od231903/2021_2022 : Supply, store, installation, testing & commissioning of Axial fan with bird cowl.100 CFM

od231909/2021_2022 : Supply, store, installation, testing & commissioning of Double inlet double width fan mounted in a double skin housing with pre filer bank of MERV rating 8 and HEPA filter of MERV rating 17 . The drive can be belt driven or direct. The motor shall be protected by thermal contact relay as protection against burn-out. The specification s are as follows.<br>1600 CFM, 70 mm ESP (Lab)<br><br>

od231917/2021_2022 : Supply, store, installation, testing & commissioning of Cabinet inline Extract Fans shall be with direct driven centrifugal fan, circular section, suitable for ceiling suspension/mounting. The units shall be complete with flexible duct connections at inlet and outlet. The motor shall be protected by thermal contact relay as protection against burn-out. The Kitchen, laundry, sataircase pressurisation fans shall be axial/mixed flow, motor out of air stream(as applicable) as specified and as indicated in the equipment schedules and drawings for the following:<br>1600 CFM, 35 mm ESP (CSSD)<br>

od231918/2021_2022 : Supply, store, installation, testing & commissioning of Inline Centrifugal Extract Fans shall be with direct driven centrifugal fan, circular section, suitable for ceiling suspension/mounting. The units shall be complete with flexible duct connections at inlet and outlet. The motor shall be protected by thermal contact relay as protection against burn-out. The Kitchen, laundry,, sataircase pressurisation fans shall be axial/mixed flow, motor out of air stream(as applicable) as specified and as indicated in the equipment schedules and drawings for the following:<br>550 CFM, 25mm ESP<br><br>

od231924/2021_2022 : Supply, store, installation, testing & commissioning of Inline Centrifugal Extract Fans shall be with direct driven centrifugal fan, circular section, suitable for ceiling suspension/mounting. The units shall be complete with flexible duct connections at inlet and outlet. The motor shall be protected by thermal contact relay as protection against burn-out. The Kitchen, laundry,, sataircase pressurisation fans shall be axial/mixed flow, motor out of air stream(as applicable) as specified and as indicated in the equipment schedules and drawings for the following:<br>500 CFM, 35mm ESP (OT exhaust)<br><br>

od231927/2021_2022 : Supply, store, installation, testing & commissioning of Inline Centrifugal Extract Fans shall be with direct driven centrifugal fan, circular section, suitable for ceiling suspension/mounting. The units shall be complete with flexible duct connections at inlet and outlet. The motor shall be protected by thermal contact relay as protection against burn-out. The Kitchen, laundry,, sataircase pressurisation fans shall be axial/mixed flow, motor out of air stream(as applicable) as specified and as indicated in the equipment schedules and drawings for the following:<br>500 CFM, 25mm ESP<br><br>

od231928/2021_2022 : Supply, store, installation, testing & commissioning of Inline Centrifugal Extract Fans shall be with direct driven centrifugal fan, circular section, suitable for ceiling suspension/mounting. The units shall be complete with flexible duct connections at inlet and outlet. The motor shall be protected by thermal contact relay as protection against burn-out. The Kitchen, laundry,, sataircase pressurisation fans shall be axial/mixed flow, motor out of air stream(as applicable) as specified and as indicated in the equipment schedules and drawings for the following:<br>400 CFM, 25mm ESP<br><br>

od231931/2021_2022 : Supply, store, installation, testing & commissioning of Inline Centrifugal Extract Fans shall be with direct driven centrifugal fan, circular section, suitable for ceiling suspension/mounting. The units shall be complete with flexible duct connections at inlet and outlet. The motor shall be protected by thermal contact relay as protection against burn-out. The Kitchen, laundry,, sataircase pressurisation fans shall be axial/mixed flow, motor out of air stream(as applicable) as specified and as indicated in the equipment schedules and drawings for the following:<br>150 CFM, 15mm ESP<br>

od231932/2021_2022 : Supply, store, installation, testing & commissioning of Inline Centrifugal Extract Fans shall be with direct driven centrifugal fan, circular section, suitable for ceiling suspension/mounting. The units shall be complete with flexible duct connections at inlet and outlet. The motor shall be protected by thermal contact relay as protection against burn-out. The Kitchen, laundry,, sataircase pressurisation fans shall be axial/mixed flow, motor out of air stream(as applicable) as specified and as indicated in the equipment schedules and drawings for the following:<br>100 CFM, 10mm ESP<br><br>