WBPWD/SEWEC /HED /NIQ-40 /2021-22-2nd call

Amount

Supply of 5.0 ton capacity concealed type Split AC of rated cooling capacity-60000 BTU/hr. with 2 nos. twin rotary compressor, 2 nos. IDU of rated power supply- 230V-1Ph- 50 Hz., 1 no. ODU of rated power supply- 400V-3Ph- 50 Hz. Air-flow/per IDU :- 1000 CFM. (Make: Hitachi /O general/ Mitshubishi )

Erection and commissioning charges for the above-said 5.0 TR ton Concealed type Split Air Conditioner

Charges for scaffolding arrangement incl. lifting, shifting for outdoor & indoor units of 5.0 TR Concealed type Split Air Conditioner machine

Supplying, fabrication & fixing M.S u-channel of 6 mm thick of size (75 mm x 40 mm x 40 mm) for making platform for installation of outdoor unit of 7.5 Concealed split AC incl. drilling 2 nos holes in each channel including cutting holes into the wall & grouting the same with cement concrete (1:1 ½ :3) etc. fabricated with horizontal angle of 25 mm x 25 mm x 6 mm including supporting angle 50 mm x50mm x 6 mm in each platform. The platform should be baricaded & safe for ODU Maintenance in outer edge for transmitting the load centrally through 2 nos. (50 mm x 50 mm x 6 mm) Angle of 2 mtr. length each inserted into the exiting wall. Area of the platform is 3Mtr. x 1.2Mtr. or as per Machine configuration & load with adequate service access as per direction of EIC.

Supplying, fabrication & fixing M.S frame made with 2 Nos. angle size (40mm x 40mm x 6mm) of 1mtr. length tied by 25mm x 25mm x 6mm angle of 1100mm length for installation of indoor unit of Concealed Split AC incl. drilling 2 nos holes in each Angle, cutting holes into the wall & grouting the same with cement concrete (1:1 ½ :3) etc. Area of the frame as follows:- i) 1 mtr. x 1.1 mtr.

Supply, installation & commissioning Copper Refrigeration pipe line for liquid and suction line with supports & brackets (For concealed split AC)

a) Liquid Line (3/8" OD HD Copper Pipe with 0.6mm thick)

b) Suction line (5/8" OD HD Copper Pipe with 0.7mm thick)

Supply & Fixing Pipe Insulation in suction & liquid line with 9mm nitrile rubber tube for Concealed Split AC

Liquid Line

Suction Line

Supply & laying 1.1 Kv grade PVC insulated FRLS control copper cable for interconnection between ODU unit to IDU unit of Concealed Split AC

3 Core 2.5sq. mm. Communication Cable

Supply and fixing of Al powder coated continuous Grill. (Make: Premier or equivalent)

Supply & laying Drain Water piping work out of PVC / HDPE hard pipes of following sizes incl. fitting, accessories, bends, elbows, tees, flanges, tapings, wall sleeves, hangers, supports, anchors.

a) 25 mm dia

b) 40 mm dia

Supply and fixing flexible canvass connection for concealed split air-conditioners.

For 5.0 ton

Supply, cutting & fixing drop ceiling made of Gypsum & E-board to cover the indoor units of concealed split unit incl. Painting the board as per direction of E.I.C.

Arrangement of Trap Door made of Aluminium Channel & Fire Retardant PVC Board for maintenance of IDU units

Supply of 3 Star rated 2.0 ton capacity split Air-conditioner machine fitted with Rotary compressors suitable for Refrigerant-R32/R410A. (Make- Hitachi, Model- Logicool 3100f or equivalent model of O-General/Daikin ).

Supply of 3 Star rated 1.5 ton capacity split Air-conditioner machine fitted with Rotary compressors suitable for Refrigerant-R32/R410A. (Make- Hitachi, Model- Logicool 3100f or equivalent model of O-General/Daikin ).

Installation, testing & commissioning of the above-said split AC incl. Supply & fixing required Angle Iron Structure on wall & mending works as per direction of E.I.C.

Supply & Laying Extra Add-on items- 5/8"(for suction) & 1/4"(for discharge) copper refrigerant pipe with 9mm thick nitrile rubber insulation, 4 core x 2.5 sq.mm. copper cable incl. fixing arrangement and wrapping insulation of aerotape complete in all respect for 1.5/2.0 TR A.C. Machine. and Supply & laying PVC Drain Pipe 25mm dia by saddling on wall incl. PVC "T", elbow, bend etc as per direction of E.I.C.

SITC of 10 KVA true on-line double conversion UPS with three phase in / three phase out with battery backup for one hour (minimum 15600 VAH Flame retardent battery) as per details annexure enclosed. (with 2 years warranty incl. Battery). [Factory testing is essential before despatch]. [Make : Numeric / Emerson / APC/ Schneider /AVO Switiching ]

Topology: IGBT BASED DSP CONTROLED

Rating of UPS(KVA/KW): 10 KVA / 9 KW

Input Frequency: 45 to 65 Hz

Input PF: 0.99 with IGBT Rectifier

Isolation Transformer: Delta to Star Inbuilt Isolation Transformer with 1:1 ratio at UPS Input to be provided . No external/Step up Transformer will be accepted

Back feed Protection: UPS should have back feed protection

DC Ripple: Residual ripple Voltage should be <1%

Charging: Automatic float cum Boots Charging Capability with setteble float & boost charging voltages and current levels and boots charger timer

Input current Distortion: THDi<=5%

Output Voltage Regulation: Static Variation +/_ 1% and Dynamic variation +/-3%

Output Frequency: 50 Hz +/- 0.1%

Output Power Factor: 0.9

Crest Factor: 3:1

THDu: < 2% (linear load), < 5%(non linear load)

Waveform: Pure Sine Wave

Birdge: Microprocessor based and IGBT Technology

Overload: 110% for 60 minutes, 125% for 10 minutes, 150% for 1 minute.

Static By Pass: 100 % rated static switches with fuse protection overload on Bypass: 100% for 10 ms

Overall Efficiency: 94%

Battary Cabinet: With power coated MS angle with MS sheet suitable dimention and gadge, well air ventilation to ensure the battery optimum life cycle.Useing Nyvin cable with proper rating for interlink cables and battery input and necessary accessories.

Battery : 12 V, Mono Block batteries. SMF VRLA

DC Bus : Minimum 192V or above, 60 mim back up required (Minimum 15600 VAH) Battery. Battery Make: Exide/Amara Raja(Quanta)

Protections: Input & Output Over / Under Voltage, Single Phasing DC - High / Under Voltage, Battery Charging Over Current, Output Overload / Short Circuit / Over Temp., UPS auto ON on Mains recovery

Audio Alarm, Mains Fail, Battery Low Pre-alarm, Inverter Trip

Metering: Graphical LCD display for Input & Output - Voltage, Current & Frequency, Battery - Voltage & Current

Indications: Mains - On / Fail / High / Low / Single Phasing DC - On / High, Battery - Low Pre-alarm / Low Trip Inverter - On / Trip / High / Low / Over Current

Switchgear: MCB / MCCB for Input, Battery, Output & Manual Bypass Switch

Termination: Input, Battery, Output & Bypass

Enclosure: IP 20

Operating Temp: 0 to 40 Deg C

Humidity: Upto 95% Rh (non-condensing)

Cooling: Forced Air

Noise: < 70 dB

Cold Start : Provided

Parallel Redundant facitities should be present for each unit with Accessories

Communication: RS 232, RS 485, Dry contact ,LED indication

Monitoring Software: UPS Monitoring Software on Windows XP Platform

Certification : ISO 9001: 2008, ISO 14001: 2004, ISO 18001, RoHS and OHSAS 18001

CE Certification:IEC/EN 62040-1-1,IEC/EN50091-1,IEC/EN 60950 (Safety) IEC/EN 50091-2, IEC/EN 62040-2(EMC Emmission),IEC/EN 62040-3(performance & Design)IEC/EN 61000-4(EMC Emmunity) & IEC/EN 60146 (Design & Manufacture)

MAXCOOL REFRIGERATION CO.

P. M. COOLING AND ENGINEERING CO