NTB DTC PAC shift

Amount

Dismantling ,Shifting and ITC of 7TR Precesion AC units.

Dismantling of 7 TR high Sensible precision type package AC unit complete with all components, air cooled condensers, including pumping down of R407 refrigerant gas by arranging empty gas cylinder, removing inter-connection cables from LT panel to indoor unit, interconnections between indoor and outdoor condenser units, removing drain water pipe line, humidification pipe, refrigerant piping with associated MS tray, covering the open ends to avoid dust entry, removing indoor and condenser pedestal including shifting of precision PAC indoor and outdoor units from 1st floor/terrace to Ground floor, including making good the damages, closing the openings with existing materials etc., complete as required

Transportation of 4 No 7 TR High precision type PAC units from TE Bijapur and Bagalkot to TE NTB, Bengaluru (about 550km) with indoor and outdoor condenser units complete with all accessories and components, associated MS channel/angle iron pedestal, copper refrigerant piping with cable tray, power supply cables, arranging suitable vehicle, loading at Bagalkot/Bijapur, unloading at NTB, arranging necessary T&P, Crain, labour etc., complete as required

Shifting and positioning of 4no Indoor units to 6th Floor and outdoor units along with accessories to 7th floor terrace by arranging specialized labour/T&P etc., as required (Work shall be carried in TE NTB)

Installation and commissioning of existing 7 TR High Precision type PAC units of upward flow along with existing mesh in the return air path, existing compressor working on R407C refrigerant, indoor & outdoor units with all components, controls, checking for interlocking of electrical accessories, SPP for all three phase motors, voltage & current indications & sequential controls, checking of MCBs, safety valve, pressure release valve, data/communication cable between units, testing and commissioning of PAC units, fixing and grouting of condenser pedestal, painting, Fixing of existing copper refrigerant piping, Pressure testing of refrigerant piping circuit by charging nitrogen gas, vaccumising the system with 2 stage rotary pump, Recharging of pump down refrigerant gas as per the specification etc., as required

Supply of additional length of following size 18 Gauge (1.2mm) copper refrigerant piping on existing tray/ladder along with accessories such as bends, elbows etc, painting of pipe with 2 coats of approved color paint etc., complete as required (The item shall be executed based on requirement as per the direction of Engineer in charge) a) Hot Gas Line [1-1/8"] dia

Supply of additional length of following size 18 Gauge (1.2mm) copper refrigerant piping on existing tray/ladder along with accessories such as bends, elbows etc, painting of pipe with 2 coats of approved color paint etc., complete as required (The item shall be executed based on requirement as per the direction of Engineer in charge) b) Liquid Line [7/8"] dia

Supplying & Charging of R407C refrigerant gas for topping up as reqd

Supplying and laying of multi core copper/Aluminium conductor armoured UG cable of following sizes for PAC/condenser on existing cable ladder/ tray/MS structure including clamping etc., as required (with ISI mark) a) 3 core 2.5 Sq mm Cu UG cable

Supplying and laying of multi core copper/Aluminium conductor armoured UG cable of following sizes for PAC/condenser on existing cable ladder/ tray/MS structure including clamping etc., as required (with ISI mark)b) 4 core 16 Sq mm Al UG cable

Supplying and Making end termination with brass compression gland and copper/aluminium lugs for the following size PVC insulated PVC sheathed/XLPE copper/Aluminium conductor armoured UG cable of 1.1 kV grade including connections etc., as reqd a) 3 core 2.5 Sq mm Cu UG cable

Supplying and Making end termination with brass compression gland and copper/aluminium lugs for the following size PVC insulated PVC sheathed/XLPE copper/Aluminium conductor armoured UG cable of 1.1 kV grade including connections etc., as reqd b) 4 core 16 Sq mm Al UG cable

Providing plumbing work for humidification circuits and drainage requirements including supply of C-PVC pipes, pipe fittings such as bends, reducers, elbows, tees, unions, flanges etc for water connection of various components of the system a) 25 mm dia (8 kgf/cm2) C-PVC pipe

Providing plumbing work for humidification circuits and drainage requirements including supply of C-PVC pipes, pipe fittings such as bends, reducers, elbows, tees, unions, flanges etc for water connection of various components of the system b) 40 mm dia (6 kgf/cm2) C-PVC pipe

Providing plumbing work for humidification circuits and drainage requirements including supply of C-PVC pipes, pipe fittings such as bends, reducers, elbows, tees, unions, flanges etc for water connection of various components of the system c) 50 mm dia (8 kgf/cm2) C-PVC pipe

Supplying and fixing MS ladder of following width made out of 25mmx25mmx5mm thick MS angle with 2 nos 20mmx3mm thick MS flat fixed at a distance not more than 300mm, providing 6 mm MS suspender with hook and threading arrangement, fixed to the ceiling with anchor bolt fasteners and to the existing ladder with bolt and nuts/ welding i/c necessary supports, etc as required a) 300mm width

Supplying and fixing MS ladder of following width made out of 25mmx25mmx5mm thick MS angle with 2 nos 20mmx3mm thick MS flat fixed at a distance not more than 300mm, providing 6 mm MS suspender with hook and threading arrangement, fixed to the ceiling with anchor bolt fasteners and to the existing ladder with bolt and nuts/ welding i/c necessary supports, etc as required b) 200mm width

Providing and fixing 25 mm x 5 mm G.I. strip on surface or in recess for loop earthing from package unit to condenser unit etc as required

Providing and fixing of 6 SWG wire on surface or recess for loop earthing etc., as reqd.

Supply and Fixing of 20G GI sheet of suitable size for closing the Return Air on the False Ceiling/corridor grills including securing with suitable fasteners, painting with matching colour etc as required