Supply Installation Testing and Commissioning of 7.5 TR 2 nos and 5.0TR 3 nos concealed type split AC machines and provide power supply for installation of AC machines at RKVY Seed Testing Building at Uttar Banga Krishi Viswavidyalaya Pundibari Cooch

SUPPLY, INSTALLATION, TESTING AND COMMISSIONING OF 7.5 TR (2 NOS.) AND 5.0 TR (3 NOS.) CONCEALED TYPE SPLIT A. C . MACHINES

Supply & delivery 5.0 TR capacity concealed type Split Air Conditioner of rated cooling capacity of 60000 BTU/hr. with 2 nos. twin rotary compressor, 2 nos. IDU of rated power supply – 230 V – 1 ph – 50 Hz., 1 no. ODU of rated power supply – 400 V - 3ph – 50 Hz. Air flow/per IDU :- 1000 CFM with necessary charging of refrigerant (Make – Hitachi/ Daikin/ Mitsubishi Electric/ Toshiba / Carrier).

Supply & delivery 7.5 TR capacity concealed type Split Air Conditioner of rated cooling capacity of 60000 BTU/hr. with 3 nos. twin rotary compressor, 2 nos. IDU of rated power supply – 230 V – 1 ph – 50 Hz., 1 no. ODU of rated power supply – 400 V - 3ph – 50 Hz. Air flow/per IDU :- 1000 CFM with necessary charging of refrigerant (Make – Hitachi/ Daikin/ Mitsubishi Electric/ Toshiba / Carrier).

Erection & Commissioning charges for 7.5/5.0 TR Air Conditioner including lifting arrangement and scaffolding arrangement for safety purpose.

Copper Refrigeration pipe line for suction line (3/8” OD with 0.7 mm thick) supports & brackets for 5.0/ 7.5 TR Concealed split AC machine (Make – Ryoku/ Nippon).

Copper Refrigeration pipe line for suction line (5/8” OD with 0.7 mm thick) supports & brackets for 5.0/ 7.5 TR Concealed split AC machine (Make – Ryoku/ Nippon).

Supply & Fixing Pipe insulation in Liquid line with 9 mm Nitrile rubber tube for 5.0/7.5 TR Concealed Split AC machine (Make – Accoroflex/ Suprime).

Supply & Fixing Pipe insulation in suction line with 9 mm Nitrile rubber tube for 7.5/5.0 TR Concealed Split AC machine ( Make – Accoroflex/ Suprime).

Control cabling from condensing unit to control panel 4- core, 6.0 sq. mm. communication cable for 7.5/ 5.0 TR Concealed Split AC machine (Make – Finolex/ KEI/ Polycab/ RR KABLE).

Control cabling from condensing unit to control panel 3- core, 2.5 sq. mm. communication cable for 7.5 TR & 5.0 TR Concealed Split AC machine (Make – Finolex/ KEI/ Polycab/ RR KABLE).

Supply and fixing of Al. powder coated continuous Grill (Make – Primear / Airkolkata).

Supply and laying PVC drain pipe 32 mm dia. (Make – Suprime/ Oriplast).

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 5.0/7.5 TR Concealed Split AC incl. Drilling of 2 nos. Holes in each channel including cutting holes into the wall & grouting the same with cement concrete (1:1.5:3) etc. Fabricated with hprizontal angle of 25 mm x 25 mm x6 mm including supporting angle 50 mm x 50 mm x 6 mm in each platform in outer edge for transmitting the load centrally through 2 nos. (50 mm x50 mm x 6 mm) angle inserted into the existing wall.

Laying of 1.1 kv, 4-core, 16 sq. mm. XLPE, PVC armoured Aluminium cable on wall/surface incl. S & F MS saddles with earthing attachment in 10 SWG GI wire, making holes etc. as necy. mending good damages and painting from control panel to individual A.C. outdoor unit.

Laying of 1.1 kv, 3.5 core, 70 sq. mm. XLPE, PVC armoured Aluminium cable on wall/surface including S & F MS clams with earthing attachment in 2 x 10 SWG GI wire, making hole etc. as necy., mending good damages and painting from main panel at ground floor to the proposed control panel at the top stair wall.

Earthing with 50 mm dia. GI pipe 3.64 mm thick x 3.04 Mts. long and 1 x 4 SWG GI wire (4 Mts. long), 13 mm dia. x 80 mm long GI bolts, double nuts, double washers incl. S & F 15 mm dia. GI pipe protection (1 mt. long) to be filled with bitumen partly under the ground level and partly above ground level driven to an average depth of 3.65 Mts. below the ground level by ISI-Medium GI pipe.

S & F. M.S. gland complete for following XLPE/PVC armoured cables. 1). 3.5 core, 70 sq. mm. PVC/A, Al. cable.

2). 4-core, 16 sq. mm. PVC/A, Al. cable.

Finishing the end of following XLPE/PVC armoured cables by crimping method. 1). 3.5 core, 70 sq. mm. PVC/A, Al. cable.

2). 4- core, 16 sq. mm. PVC/A, Al. cable.

S & F. earth bus bar of copper bar - 0.5 mt. length, 40mmx6 mmx600mm. on wall having clearance of 6.0 mm from wall incl. providing drilled holes on the bus bar complete with brass bolts, nuts, washers etc. as required.

Connecting the equipments to earth bar including S & F. 8 SWG copper solid wire on wall/floor with staples buried inside wall/floor as required and making connection to equipments with bolts, nuts, washers, cable lugs etc. as required and mending good damages.

S & F. 4-way MCB SS (Havell’s) enclosure with powder coated provision for four pole MCB, concealed in wall after cutting the wall & mending good the damages to original finish incl. painting, connection & provision for earthing attachment for individual A.C. outdoor unit (special type, design will be provided by the department).

S & F. 415 V, 32A, 4-pole MCB (Havell’s), C- characteristics on din rail of existing DBs and necessary connection for individual A.C. outdoor unit.

Supply of 1.1 kv grade, following cables (Gloster, Crystol, Havell’s).. 1). 3.5 core, 70 sq. mm. XLPE,PVC/A, Al. cable.

2). 4- core, 16 sq. mm. XLPE, PVC/A, Al. cable.

Supply and fixing 3/16 brass nut, bolt and washers.

CUBICLE TYPE TPN MCB PANEL – Supplying and fixing cubicle type TPN MCB panel on angle iron frame on wall made with 16 swg. M.S. sheet box for accommodation the following MCBs incl. Inter connection with suitable size of copper flat/ copper cable with copper bus bar, TPN MCBs and socketing the ends of copper cable and painting with powder coated approved paint over a coat of R.O. primer as per direction of EIC. The panel comprising with the following :- 1) 415 volt, 100/125 A, 4-bar copper bus bar with 4 nos. Copper bar (25x5x850 mm) on PVC insulated chair – 1 no. 2) 415 volt, 100 A, 4- pole MCB – C-curve (Havell’s) -1 no. 3) 415 volt, 40 A, 4- pole MCB –C-curve (Havell’s) – 6 nos. 4) Danger board (20x30 cm) – 1 no.

MILLENNIUM AIRCON

ELECTRIC REFRIGERATION