Comprehensive maintenance works for ductable split type air-Conditioning plants installed at CSIR - NAL, Kodihalli, Bengaluru - 560017

TOTAL OF FIRST YEAR

TOTAL OF SECOND YEAR

TOTAL OF THIRD YEAR

Description of Work / Item(s)

Amount

Ductable split 5.0 Tr capacity (15000 Kcal / hour ) ceiling mounted type ductable split air conditioner comprising of 2 nos of 2.5Tr hermetically sealed reciprocating compressors. The evaporator unit consisting of evaporator coil, blower motor with fan, 10 micron filters and all are housed in sheet steel casing. The power supply for all the equipments has been connected through control panel having MCB, Contactors, control switches, PCBs, etc as per the standard design by the manufacturer of the AC plant with necessary protections with electronic type controls and wired remote controller. The conditioned air has been distributed through GSS ducting with volume control diffusers. The return air has been collected from the ceiling. The installation is provided with false ceiling using gypsum board. Make of the AC Plant : Carrier, Model-38LH0600. Year of installation: 1997 Location: KTMD Seminar Hall.

Ductable split 7.5 Tr capacity (19800 Kcal /hour) ceiling mounted type ductable split Air conditioner comprising of semi-hermitically sealed compressors. The evaporator unit consisting of evaporator coil, blower, 10 micron filters and all are housed in sheet steel casing. The power supply for all the equipments has been connected through control panel having MCB, Contactors, control switches, PCBs, etc as per the standard design by the manufacturer of the AC plant with necessary protections and incorporates with electronic controls and wired remote controller. The conditioned air has been distributed through GSS ducting with volume control diffusers. The return air has been collected from the ceiling. The installation is provided with false ceiling using Armstrong board. Make of the AC Plant : VOLTAS. Year of installation: 1985 Location: Conference Hall of ACD Main building.

Ductable split 7.5 Tr capacity ( 19800 Kcal / hour) floor mounted type ductable split Air conditioner comprising of 2 nos of 3.75 Tr Scroll hermetically sealed compressors. The evaporator unit consisting of evaporator coil, blower, 10 micron filters and all are housed in sheet steel casing. The power supply for all the equipments has been connected through control panel having MCB, Contactors, control switches, PCBs, etc as per the standard design by the manufacturer of the AC plant with necessary protections and incorporates with electronic controls and wired remote controller. The conditioned air has been distributed through GSS ducting with volume control diffusers. The supply air duct has been installed outside of the building between the chajjas and covered with asbestos sheets and other protected materials suitable for outdoor installations. Make of the AC Plant : TRACK. Year of installation: 1994. Location: MEL lab of SIG, STT Division.

Ductable split 7.5 Tr capacity (22500 Kcal / hour ) ceiling mounted type ductable split Air conditioner comprising of 3 nos of 2.5Tr reciprocating hermetically sealed compressors. The evaporator unit consisting of evaporator coil, blower, 10 micron filters and all are housed in sheet steel casing.The power supply for all the equipments has been connected through control panel having MCB, Contactors, control switches, PCBs, etc as per the standard design by the manufacturer with necessary electronic type controls and wired remote controller. The conditioned air has been distributed through GSS ducting with volume control diffusers. The return air has been collected from the ceiling. The installation is provided with false ceiling using gypsum / armstrong board. Make : Carrier, Bluestar, LG etc as stated below:

Make : Carrier, Model - 38LH - 090 T Year of installation: 1998. Location: CVD / PVD Lab

Make : Carrier, Model - 38LH - 090 T Year of installation: 1999 Location: Flosolver.

Make: Bluestar, Model : DS - 903-0. Year of installation: 2003. Location: Director's Conference Hall.

Make: Carrier, Model : 38LH - 090 T Year of installation: 2006. Location: Director's Conference Hall.

Make : Carrier, Model - 38LH - 090 T Year of installation: 2003. Location: ALD Calibration standards Lab.

Ductable split 8.5 Tr capacity (25500 Kcal /hour) ceiling mounted type ductable split Air conditioner comprising of 2 nos of 4.25Tr Scroll sealed compressors. The evaporator unit consisting of evaporator coil, blower, 10 micron filters and all are housed in sheet steel casing. The power supply for all the equipments has been connected through control panel having MCB, Contactors, control switches, PCBs, etc as per the standard design by the manufacturer of the AC plant with necessary electronic type controls and wired remote controller. The conditioned air has been distributed through GSS ducting with volume control diffusers. The return air has been collected from the ceiling. The installation is provided with false ceiling using Armstrong board. Make : Carrier, Bluestar, LG etc,. as stated below:

Make: LG Electronics, Model -LB-40850 QCI Year of installation: 2004. Location: ACD Phase -II Conference hall.

Make: LG Electronics, Model -LB-40850 QCI Year of installation: 2005. Location: FMCD SARAS simulator Lab.

Ductable split 8.5 Tr capacity of air cooled ductable split Air conditioner comprising of 2 nos of 4.25 Tr hernetically sealed compressors of hernetically sealed compressor. The condenser is of air cooled type equipped with necessary filters sections with necessary safety controls. The evaporator unit consisting of Dx type cooling coil, blower, 10 micron filters and all are housed in sheet steel casing. The power supply for all the equipments has been connected through control panel having MCB, Contactors, Scaners, control switches, PCBs, etc as per the standard design by the manufacturer of the AC plant with necessary protections .The unit incorporates with fire dampner,electronic controls and wired remote control.The conditioned air has been distributed through GSS ducting with volume control diffusers. The return air has been collected from the ceiling. The installation is provided with false ceiling using gypsum / armstrong board. Make: Carrier. Year of installation:2012. Location: Guest House Dinning Hall & Lounge.

Ductable split 8.5 Tr capacity of air cooled ductable split Air conditioner comprising of 2 nos of 4.25 Tr hernetically sealed compressors of hernetically sealed compressor. The condenser is of air cooled type equipped with necessary filters sections with necessary safety controls. The evaporator unit consisting of Dx type cooling coil, blower, 10 micron filters and all are housed in sheet steel casing. The power supply for all the equipments has been connected through control panel having MCB, Contactors, Scaners, control switches, PCBs, etc as per the standard design by the manufacturer of the AC plant with necessary protections .The unit incorporates with fire dampner,electronic controls and wired remote control.The conditioned air has been distributed through GSS ducting with volume control diffusers. The return air has been collected from the ceiling. The installation is provided with false ceiling using gypsum / armstrong board. Note: This plant is connected with 2 nos of condensing unit in one evaporator unit. Hence this plant has been considered has 2nos. Make: Carrier. Year of installation:2012. Location: 5 axis machine shop.

Ductable split 17 Tr capacity of air cooled ductable split Air conditioner comprising 2 nos of condensor unit having 4 nos of 4.25 Tr capacity of hernetically sealed compressor with R-407C refrigerant. The condenser uint is equipped with necessary expansion valves & safety controls. The evaporator unit consisting of 1 no of 17 Tr capacity Dx type coiling coli, blower running with 230 volts single phase motor & standard filters. All are housed in sheet steel casing. The power supply for all the equipments has been connected through control panel having MCB, Contactors, Scaners, control switches, PCBs & necessary protection as OEM standards.The conditioned air has been distributed through GSS ducting with volume control diffusers. The return air has been collected from the ceiling. The installation is provided with false ceiling using gypsum / armstrong board. Note: This plant is connected with 2 nos of condensing unit in one evaporator unit. Hence this plant has been considered has 2nos. Make: Bluestar, Model No: DSA1021R2 Year of installation:2016. Location: C-SCAN.

Ductable split 11 Tr capacity ceiling mounted type ductable split Air conditioner comprising of 2 nos of 5.5 Tr reciprocating hermetically sealed compressors. The evaporator unit consisting of evaporator coil, blower, 10 micron filters and all are housed in sheet steel casing.The power supply for all the equipments has been connected through control panel having MCB, Contactors, control switches, PCBs, etc as per the standard design by the manufacturer of the AC plant with necessary protections of electronic type controls and wired remote controller. The conditioned air has been distributed through GSS ducting with volume control diffusers. The return air has been collected from the ceiling. The installation is provided with false ceiling using gypsum / armstrong board. Make: BLUE STAR, Model - DSA 1321 Year of installation:2011. Location: NCAD 1st Floor & 2nd Floor @ ACD Phase -II.

Clean room provided with HVAC with asociated accessories. 11.0 Tr Capacity air-cooled condensing system with hermitically sealed reciprocating compressors connected to AHU driven by 415 Volts, 50 Hz, 5 HP induction motor. The filter sections are provided with pre filters and microvee are installed in the AHU. The HOODED TYPE MINI PLEATE FILTERS (High efficiency particulate air) designed to remove particles down to 0.3 Microns from air streams with an efficiency of 99.997% have been installed at supply grills inside the conditioned facility to maintain class 10000 cleanliness. The Ultraviolet germicidal irradiation (UVGI) are provided for reduction in bacterial count / virus. The necessary instrumentation like magnelic gauge, air shower, temperature indicators and the strip air heaters with thermostat are provided to maintain 55 ± 5 % RH as per the site requirement. The power supply for all the equipments has been connected from motor control centre (MCC) with necessary SFU, motors starters and protections. The MCC comprising of the following switchgears: Incoming : 63A 3P, MCCB – 1Nos. Outgoing: 1) 32A, DOL starter with MPCB – 2No.( For AHU & Condensing unit) 2) 32A, TP MCB – 1No.(For Air Shower) 3) 16A, DP, MCB – 3No. for heaters. Make of the condensing unit: LG.Electronics and the make of the AHU is CLIVET India. Year of installation:2010. Location: MEMS lab of Materials Science Division

Clean room provided with HVAC with asociated accessories. 11.0 Tr Capacity air-cooled condensing system with 2 nos of 11.0Tr hermitically sealed compressors connected to DX type AHU driven by 415 Volts, 50 Hz, 5 HP induction motor. The filter sections are provided with pre filters , micro fillter and air heaters are installed in the AHU. The HOODED TYPE MINI PLEATE FILTERS (High efficiency particulate air) designed to remove particles down to 0.3 Microns from air streams with an efficiency of 99.997% have been installed at supply grills inside the conditioned facility to maintain class 10000 cleanliness. The Ultraviolet germicidal irradiation (UVGI) are provided for reduction in bacterial count / virus. The necessary instrumentation like magnelic gauge, air shower, dehumidifier for contol the RH, temperature controller and the strip air heaters with thermostat are provided to maintain 55 ± 5 % RH as per the standards. The power supply for all the equipments has been connected from motor control centre (MCC) with necessary MCCBs, VFD drive/Soft starter for AHU motors and protections. The MCC comprising of the following switchgears: Incoming : 63A 3P, MCCB – 1Nos. Outgoing: 1) 5HP VFD drive/soft starter - 1no ( AHU Moter) 2) DOL starter with MPCB – 2No.( For 11.0Tr Condensing unit) 3) 16A, DP, MCB – 3No. for heaters. 4) Set of LED type indication lamps Note : The HEPA filter for all the clean room will be supplioed by NAL as and when required. The vendor is instructed quote for replacement of necessary free filters, micro vee filters and other type filters as and when required except HEPA filter in this offer. Make of the plant: Bluestsr, Year of installation:2012 & Location: SED

Clean room provided with HVAC with asociated accessories. 15.5 Tr (5.5 Tr x 3 No's) capacity factory built, microprocessor controlled energy efficient air cooled Dx-type condensing unit refrigeration system with scroll compressors with R-407 C refrigerant. The AHU driven by 415 Volts, 50 Hz, 15 HP induction motor. The filter sections are provided with pre filters and microvee are installed in the AHU. The HOODED TYPE MINI PLEATE FILTERS (High efficiency particulate air) designed to remove particles down to 0.3 Microns from air streams with an efficiency of 99.997% have been installed at supply grills inside the conditioned facility to maintain class 10000 cleanliness. The necessary instrumentation like magnelic gauge, air shower, temperature indicators and the strip heaters (6 KW heater bank) with thermostat are provided to maintain temperature of 22 ± 2º C and 55 ± 5 % RH as per the standards. The Ultraviolet germicidal irradiation (UVGI) are provided for reduction in bacterial count / virus. The conditioned air & return has been distributed through GSS ducting with volume control diffusers from the ceiling. The installation is provided with cealing panel & wall panel. The power supply for all the equipments has been connected through motor control centre (MCC) with necessary motors starters and protections. The MCC is comprising of the following switchgears: Incoming : 200 A, 3P, 16kA MCCB as an incomer. - 1 No Outgoing: 1. VFD for 3 phase, 15 HP squirale cage induction motor with necesary MCCB as an incomer, power contactor & control accessories etc for AHU - 1 No 2. Star-Delta starter with suitable rated AC-3 duty contactor, illuminated start / stop push buttons & other accessories & MCCB as incomer for 15 HP squiral cage induction motor (as standby for AHU) - 1No 3. Condensing units 63 A, 3 P, 16 kA MCCB - 3 Nos 4. 16A, 2P, MCBs and AC-1 duty contactors for the heaters - 3 Nos 5. LED type indication lamps with control SP MCB. - 1 Set. 6. Digital typye multi deta Meter (MDM) to read current , voltage, kilowatt, energy & power factor having RS-432 port with necessary rated CT & short links. - 1 No Note : The HEPA filter for all the clean room will be supplioed by NAL as and when required. The vendor is instructed quote for replacement of necessary free filters, micro vee filters and other type filters as and when required except HEPA filter in this offer. Make of the condensing unit: Voltas, Model - ACDCUA05512D Make of the AHU: Air blow, Make of the airshower: Envair Year of installation: 2019 & Location: SED 2nd Floor.

Clean room provided with HVAC with asociated accessories. 55 Tr (11 Tr x 5 No's) capacity factory built, microprocessor controlled energy efficient air cooled Dx-type condensing unit refrigeration system with scroll compressors with R-407 C refrigerant . The AHU driven by 415 Volts, 50 Hz, 20 HP induction motor. The filter sections are provided with pre filters and microvee are installed in the AHU. The HOODED TYPE MINI PLEATE FILTERS (High efficiency particulate air) designed to remove particles down to 0.3 Microns from air streams with an efficiency of 99.997% have been installed at supply grills inside the conditioned facility to maintain class 10000 cleanliness. The necessary instrumentation like magnelic gauge, air shower, temperature indicators and the strip heaters (10 KW heater bank) with thermostat are provided to maintain temperature of 22 ± 2º C and 55 ± 5 % RH as per the standards. The Ultraviolet germicidal irradiation (UVGI) are provided for reduction in bacterial count / virus. The PLC / contractor based control logic has provided for day-to-day operations. The conditioned air has been distributed through GSS ducting with volume control diffusers from the ceiling. The return air has been collected through floor. The return air duct has been painted using epoxy paint. The installation is provided with false ceiling. The power supply for all the equipments has been connected through motor control centre (MCC) with necessary motors starters and protections. The MCC is comprising of the following switchgears: Incoming: 315A, 25 kA 4P MCCB with thermal magnetic releases RHOM. - 1 No. Outgoings: 1. Automatic star/delta starter suitable for 20 HP 3 phase, 4 pole, 50 Hz, Induction motor with suitable rated AC-3 duty contactor for blower motor - 1 No. 2. Direct on line (DOL) starter suitable for 3 phase, 415 Volts, 50 Hz - 5 Nos 3. Set of LED type indication lamps for mains. – 1 Set 4. Multi data digital meter. – 1 No. 5. Suitable rated CTs. – 1 Se Note : The HEPA filter for all the clean room will be supplioed by NAL as and when required. The vendor is instructed quote for replacement of necessary free filters, micro vee filters and other type filters as and when required except HEPA filter in this offer. Year of installation: 1998 (Blower section) & 2019 (Condensing unit & coil) Make of the condensing unit: Voltas, Model - ACDCUA11012D.

Clean room provided with HVAC with asociated accessories. 36 HP (12 HP x 3 No's) capacity factory built outdoor type, air cooled variable refrigerant flow(VRF) / variable refrigerant volume (VRV) condensing units having hermetically sealed inverter type scroll compressors with R-410A refrigerant. The AHU driven by 415 Volts, 50 Hz, 7.5 HP induction motor. The filter sections are provided with pre filters and microvee are installed in the AHU. The HOODED TYPE MINI PLEATE FILTERS (High efficiency particulate air) designed to remove particles down to 0.3 Microns from air streams with an efficiency of 99.997% have been installed at supply grills inside the conditioned facility to maintain class 100000 cleanliness. The necessary instrumentation like magnelic gauge, air shower, temperature indicators and the strip heaters with thermostat are provided to maintain temperature of 22 ± 2º C and 55 ± 5 % RH as per the standards. The conditioned air & return has been distributed through GSS ducting with volume control diffusers from the ceiling. The power supply for all the equipments has been connected through motor control centre (MCC) with necessary motors starters and protections & VFD. The MCC is comprising of the following switchgears: Incoming :  . 250A, 25 kA 3P MCCB - 1 No. OUTGOING FEEDERS : 1. Star-Delta starter with AC-3 duty contactor suitable for 7.5 HP squiral cage induction motor (as standby for AHU with necessary interlock with VFD fedder) - 1 No 2. 125A, 3P, 16 kA MCCB - 3 Nos 3. 63A, 3P, 16 kA MCCB - 5 Nos 4. 40A, 3P, 16 kA MCCB - 3 Nos. 5. LED type indication lamps with control SP MCB. - 1 Set. 6. Digital type multi deta Meter (MDM) to read current , voltage, kilowatt, energy & power factor having RS-432 port with necessary rated CT & short links.- 1 No. Note : The HEPA filter for all the clean room will be supplioed by NAL as and when required. The vendor is instructed quote for replacement of necessary free filters, micro vee filters and other type filters as and when required except HEPA filter in this offer. Make of the condensing unit: LG, Model - JRUN120LLS4 Make of the AHU: Zeco, Model - ZDS-80 & Make of the airshower: Envair Year of installation: 2017

Clean room provided with HVAC with asociated accessories. 42 HP (14 HP x 3 No's) capacity factory built outdoor type, air cooled variable refrigerant flow(VRF) / variable refrigerant volume (VRV) condensing units having hermetically sealed inverter type scroll compressors with R-410A refrigerant. The AHU driven by 415 Volts, 50 Hz, 25 HP induction motor. The filter sections are provided with pre filters and microvee are installed in the AHU. The HOODED TYPE MINI PLEATE FILTERS (High efficiency particulate air) designed to remove particles down to 0.3 Microns from air streams with an efficiency of 99.997% have been installed at supply grills inside the conditioned facility to maintain class 10000 cleanliness. The necessary instrumentation like magnelic gauge, air shower, temperature indicators and the strip heaters with thermostat are provided to maintain temperature of 22 ± 2º C and 55 ± 5 % RH as per the standards. The Ultraviolet germicidal irradiation (UVGI) are provided for reduction in bacterial count / virus. The conditioned air & return has been distributed through GSS ducting with volume control diffusers from the ceiling. The installation is provided with cealing panel & wall panel. The power supply for all the equipments has been connected through motor control centre (MCC) with necessary motors starters and protections. The MCC is comprising of the following switchgears: Incoming : 200 A, 3P, 16kA MCCB with thermal magnetic releases and shunt releases. - 1 No. OUTGOING FEEDERS : 1. VFD for 3 phase, 25 HP squirale cage induction motor - 1 No 2. Star-Delta starter with AC-3 duty contactor suitable for 25 HP squiral cage induction motor (as standby for AHU with necessary interlock with VFD fedder) - 1No. 3. 63 A, 3 P, 16 kA MCCB ( Condensing units ) - 4 Nos 4. Heater bank controls having 16A, 2P, MCB and 16 A, 3 pole AC-1 duty contactors. - 4 sets. 5. LED type indication lamps with control SP MCB. - 1 Set. 6. Digital type multi deta Meter (MDM) to read current , voltage, kilowatt, energy & power factor having RS-432 port with necessary rated CT & short links.- 1 No. Note : The HEPA filter for all the clean room will be supplioed by NAL as and when required. The vendor is instructed quote for replacement of necessary free filters, micro vee filters and other type filters as and when required except HEPA filter in this offer. Make of the condensing unit: LG, Model - JRUN140LLS4 Make of the AHU: Zeco, Model - ZDS-150 & Make of the airshower: Sam Air Year of installation: 2020

KELVIN FAHREN AIRTECH PVT. LTD.

Voltas Limited

TRAC FUJICO AIR SYSTEMS LLP

KELVIN FAHREN AIRTECH PVT. LTD.

Voltas Limited

TRAC FUJICO AIR SYSTEMS LLP