Repair and Maintenance of HVAC Plant (Heating, Ventilation and Air Conditioning) Installed at SDN Hospital Under Shhahdara (North) Zone

Amount

Descaling and washing of cooling coil of AHU with the help of vaniclean chemical, greasing the blower motor, testing complete etc as required.

Complete servicing of Electrical Control Panel i/c changing the faulty MNX Contactor plus overhead relay i/c complete testing commissioning etc as required.

Supplying, fixing, testing and commissioning of following valves, strainers, gauges in the chilled water plumbing duly insulated to the same specifications as the connected piping and adequately supported as per specifications. BUTTERFLY VALVE (MANUAL) with C I body SS Disc, Nitrile Rubber Seal & O- Ring PN 16 pressure rating for chilled water/hot eater circulation as specified. (a) 125 mm dia.

Dismantling of existing 3 nos cooling tower and changing the following defective parts : ( a) PVC Fills - (600 mm X 300 mm X 150 mm)- 200 nos. (b) PVC Eliminator - ( 600 X 600 X !50)- 10 nos. (c ) PVC Header pipe 200mm 8' long - 1 no. (d) PVC sub header pipe 63 mm 8' long - 20 nos. (e) PVC sub header end cap 63mm - 30 nos. (f) PVC splash cap with steel screw - 50 nos. (g) PVC 200 mm END cap - 2 nos. (h) PVC nozzle connection 40 mm 1' - 60 nos. (j) Sealing compound- 20 kg (h) FRP stiching material - 20 kg (k) Cast aluminium fan assembly - 2 nos. (l) Labour charges for dismantling, changing defective parts and reinstallation. (m) Cooling tower motors -2 nos. 1

Supplying, laying/ fixing, testing and commissioning of following nominal sizes of chilled water piping inside the building (with necessary clamps, vibration isolators and fittings but excluding valves, strainers, gauges etc.) duly insulated with following closed cell elastometric nitrile rubber of minimum 45 Kg / cu m density, thermal conductivity 0.037 W/MK or better at 20 deg mean temperature class 'O' insulation applied by suitable adhesive complete including repairing of damage to building etc. as per specifications and as required complete in all respect. (a) 100mm dia. (32 mm thick insulation)

(b) 80 mm dia (32mm thick insulation)

(c) 65 mm dia (32 mm thick insulation)

(d) 50 mm dia ( 32 mm thick insulation)

(e) 40 mm dia ( 32 mm thick insulation)

(f) 32 mm dia(19 mm thick insulation)

(g) 25 mm dia ( 19 mm thick insulation)

Descaling of condensor of 120 TR AC Plant with Vaniclean, recirculating the same to remove the scale including changing rubber gasket of end covers including complete testing etc as required.

Supplying, laying, fixing, testing and commissioning of following thickness closed cell elastrometric nitrile rubber of class 'O' applied by suiatable adhesive, as per specifications and as required complete in all respect. (a) 32 mm

Supplying & fixing of powder coated extruded aluminium Supply Air Grills with aluminium volume control dampers as per specifications.

Supplying & fixing of powder coated extruded aluminium Return Air Grills with louvers but without volume control dampers complete as required.

Supply, installation, balancing and commissioning of fabricated at site GSS sheet metal rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and specifications of following sheet thickness complete as required. (a) Thickness 0.80 mm sheet

Servicing of FCU"s installed at various locations in the hospital i/c cleaning of filters, cleaning of choked drain lines / cleaning of coils with the help of vaniclean .

Repairing of Primary Chilled water pump of 7.5 HP with changing of mechanical seal, alignment, balancing complete testing , commissioning etc as required.

Repairing of Primary Chilled water pump of 5 HP with changing of mechanical seal, alignment, balancing complete testing , commissioning etc as required.

Repairing of Defective PCB of chiller machine screw compressor of 120 TR (Carrier make) i/c complete testing , commissioning etc as required.

Supply & pouring of synthetic oil with viscosity grade 220 for topping up the oil level suitable for screw compressor of 120 TR (Carrier make) complete as reqd.

Changing of syphon of size 3/8" in pipeline i/c testing , commissioning complete etc as required.

Changing of 4" dia pressure gauges installed in existing pipeline i/c complete testing , commissioning as required.

Top up of R-134A refrigerant in the chilling machine i/c complete testing commissioning as required.

Painting of MS Pipe Line of various sizes installed at various locations applying a coat of red oxide before aplying 2 coats of paints. (a) 150 to 200 mm dia

(b) 65 to 100 mm dia

(c ) 25 to 50 mm dia

Supply & Fixing of Pre-filter constructed in Aluminium Frame with HDPE mesh and supporting aluminium mesh withepoxy sealed & filtration efficiency 99% down to 5 micron particles as reqd. in the existing opening / AHU of following size. 610 x 610 x 50 MM

Supply & Fixing of Hepa filter constructed in Aluminium Frame with HDPE mesh and supporting aluminium mesh withepoxy sealed & filtration efficiency 99% down to 5 micron particles as reqd. in the existing opening / AHU of following size. (a) 610 x 610 x 305 MM

(b) 610 x 305 x 305 MM