Removal, Overhauling, Servicing and Re-installation of different makes and models AC units in connection with Repair and Renovation of different Rooms (Phase-I) at CSIR-IICB, Jadavpur campus, Kolkata-700032

Amount

Removal of Window type AC units (1.0/1.5 / 2.0 TR capacity): Removal of different makes & models Window type AC units from the specific location and keeping the dismantled AC units to store / place / location as indicated by the Engineer in charge within institute campus. This work is inclusive of making arrangement of covering / blocking open area with suitable size ply wooden board and nails (as applicable) as required to meet actual site requirement

Removal of Split type AC units (1.0/1.5 / 2.0 TR capacity): Removal of different makes & models Split type AC units from the specific location and keeping the dismantled AC units to store / place / location as indicated by the Engineer in charge within institute campus. This work is inclusive pump down of Compressor for restore the refrigerant gas, removal of existing refrigerant pipe lines, drain line, bracket etc. and making arrangement of covering the holes for split AC pipe lines and blocking of pocket with white cement /putty or ply wooden board and nails (as applicable) as required to meet actual site requirement.

Re-installation of Split type AC Units (1.0/1.5 / 2.0 TR capacity): Standard complete re-installation of different makes & models Split type AC units for shifting the same from one place to another place as indicated by the Engineer in charge / Lab in charge within the institute campus. This work is inclusive of all necessary work like Overhauling & Servicing of AC units, Laying & fixing of Copper pipes with insulation & Wrapping tape, Laying & fixing of Electric Wires & Drain Pipes, fixing of bracket, Leak testing, required Refrigerant Gas charging, necessary ply wooden board fixing & painting the same, covering the holes with white cement / putty if any etc. as required to meet actual site requirement for installation of AC units and run smooth functioning of the same

Providing of extra annealed temper copper piping of following size for supply and return refrigerant gas line of different makes & models Split type Air conditioning units

Annealed temper Copper pipe 5/8" , out side dia 0.625" , inside dia 0.555" and wall thickness 0.035 "

Annealed temper Copper pipe 1/2" , out side dia 0.500" , inside dia 0.436" and wall thickness 0.032 "

Annealed temper Copper pipe 3/8" , out side dia 0.375" , inside dia 0.311" and wall thickness 0.032 "

Annealed temper Copper pipe 1/4" , out side dia 0.250" , inside dia 0.190" and wall thickness 0.030 "

Providing interconnected 1.1 KV, FRLS 4 Core x 2.5 Sq. mm Electric Wire (multi-strand) for Electrical connection of Indoor & Outdoor units of AC units

Providing suitable size hard braided pipe (Dia-1/2", Colour- White / Blue ) for drain line of AC units

Providing suitable Refrigerant Gas (R-22 /33/410 or eco friendly) for different makes & models AC units

Providing Heavy duty Ply wooden Board (thickness 19 mm or above or equivalent) for installation of Split AC units

Providing of 15 Amps , 3 pin Plug Top for Electrical connection

Providing of suitable size (13 mm or equivalent, class-I) Nitrile Rubber Insulation for supply & return Refrigerant Copper Pipes for different make & model Split AC units

Providing of Wrapping tape (Width-50 mm, Length-10 Mtr.) for wrapping of insulated supply & return Refrigerant copper Pipes

scientific refregeration

U S ENTERPRISE

EASTERN REFRIGERATION AND ELECTRICAL CO