Public Works Department Tender

Supply, installation, testing and commissioning of Timer for Duty cycling operation of AC unit (1w plus 1 Standby) (Excluding GST )

Supply, Installation, Testing and commissioning of IAQ Monitor to remotely measure the levels of PM 2.5, VOCs, CO2, Temperature(In /Out), Humidity on a real time basis. The IAQ Monitor shall be capable of getting connected with Wi-Fi. The Monitor should be capable of sending the indoor air quality information on display Screen/Mobile/Browser as per Client`s requirement. The Monitor should indicate the quality of air through changing the colours on the display screen as per the NAAQS standards and should meet the WELL building standards. This monitor should be a 3 tier architecture including sensor Hardware, secure cloud infrastructure, monitoring apps including dashboard, android/IOS. Quoted price shall be inclusive of all necessary arrangement as required to make the unit proper functional.(Excluding GST)

Supply, installation Testing and commissioning of wall mount differential pressusre( plus ve / -ve) sensor having high accuracy of plus /- 2% of measuring value(m.v.) and shall generate an output of 0-10 VDC/ 4-20 mA as output. Power supply for sensor is 24 VAC (Excluding GST)

Supply,Installation,testing and commissioning including vaccumiazation and Nitrogen testing of following nominal sizes of soft/hard drawn copper refrigerant piping for VRV/VRF or Non VRV/VRF system, complete with fittings, with suitable adjustable ring type hanger supports, jointing/brazing including accessories, insulated with XPLE Class-O tubular insulation/withClass-O closed cell elastometric nitrile rubber tubular sleeves sections of specified thickness as given below for Suction and Liquid lines,all accessories as per specifications. NOTE:-1)The Copper Piping and Piping Circuit should be with Minimum Number of joints, which shall be attained by : (i) Using One End Expanded Tubes (ii) Bending the tubes instead of using elbow joints wherever 90 degree bending is required. (2)Piping should be routed at site in such a manner, that brazed joints in the refrigeration piping are kept to a minimum. (3) The makes of tube fittings shall be same as that of tubes.(4) The thickness of fittings used shall be same as that of the pipe . i) 9.5 mm dia (OD) (Soft drawn) with tube thickness 1.2 mm with 19 mm thick insulation (Excluding GST )

Supply,Installation,testing and commissioning including vaccumiazation and Nitrogen testing of following nominal sizes of soft/hard drawn copper refrigerant piping for VRV/VRF or Non VRV/VRF system, complete with fittings,with suitable adjustable ring type hanger supports, jointing/brazing including accessories,insulated with XPLE Class-O tubular insulation/withClass-O closed cell elastometric nitrile rubber tubular sleeves sections of specified thickness as given below for Suction and Liquid lines,all accessories as per specifications. NOTE:-1)The Copper Piping and Piping Circuit should be with Minimum Number of joints, which shall be attained by : (i) Using One End Expanded Tubes (ii) Bending the tubes instead of using elbow joints wherever 90 degree bending is required. (2)Piping should be routed at site in such a manner, that brazed joints in the refrigeration piping are kept to a minimum. (3) The makes of tube fittings shall be same as that of tubes.(4) The thickness of fittings used shall be same as that of the pipe . ii)15.86 mm dia (OD) (Soft drawn) with tube thickness 1.2 mm with 19 mm thick insulation (Excluding GST )

Supply,Installation,testing and commissioning including vaccumiazation and Nitrogen testing of following nominal sizes of soft/hard drawn copper refrigerant piping for VRV/VRF or Non VRV/VRF system, complete with fittings,with suitable adjustable ring type hanger supports, jointing/brazing including accessories,insulated with XPLE Class-O tubular insulation/withClass-O closed cell elastometric nitrile rubber tubular sleeves sections of specified thickness as given below for Suction and Liquid lines,all accessories as per specifications. NOTE:-1)The Copper Piping and Piping Circuit should be with Minimum Number of joints, which shall be attained by : (i) Using One End Expanded Tubes (ii) Bending the tubes instead of using elbow joints wherever 90 degree bending is required. (2)Piping should be routed at site in such a manner, that brazed joints in the refrigeration piping are kept to a minimum. (3) The makes of tube fittings shall be same as that of tubes.(4) The thickness of fittings used shall be same as that of the pipe .iii) 19.0 mm dia (OD) (Hard drawn) with tube thickness 1.2 mm with 19 mm thick insulation ( Excluding GST)

Supply,Installation,testing and commissioning including vaccumiazation and Nitrogen testing of following nominal sizes of soft/hard drawn copper refrigerant piping for VRV/VRF or Non VRV/VRF system, complete with fittings,with suitable adjustable ring type hanger supports, jointing/brazing including accessories,insulated with XPLE Class-O tubular insulation/withClass-O closed cell elastometric nitrile rubber tubular sleeves sections of specified thickness as given below for Suction and Liquid lines,all accessories as per specifications. NOTE:-1)The Copper Piping and Piping Circuit should be with Minimum Number of joints, which shall be attained by : (i) Using One End Expanded Tubes (ii) Bending the tubes instead of using elbow joints wherever 90 degree bending is required. (2)Piping should be routed at site in such a manner, that brazed joints in the refrigeration piping are kept to a minimum. (3) The makes of tube fittings shall be same as that of tubes.(4) The thickness of fittings used shall be same as that of the pipe . iv) 22.2 mm dia (OD) (Hard drawn) with tube thickness 1.2 mm with 19 mm thick insulation (Excluding GST )

Drain Pipe with Insulation. Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes,having thermal stability for hot and cold water supply, including all CPVC plain and brass threaded fittings, including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes and fittings with one step PVCsolventcement and testing of joints complete as per direction of Engineer in Charge.25 MM Nominal Outer dia Pipes (Excluding GST )

Drain Pipe with Insulation. Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot and cold water supply, including all CPVC plain and brass threaded fittings, including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes and fittings with one step PVC solvent cement and testing of joints complete as per direction of Engineer in Charge.32 MM Nominal Outer dia Pipes ( Excluding GST )

Insulation material for Drain Pipe .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.19 mm ( Excluding GST )

Squar / Rectangular Ducting Supply, installation, balancing and commissioning of factory fabricated GSS sheet metal rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports/steel wire hangers etc. as per approved drawings and specifications of following sheet thickness complete as required.Thickness 0.63 mm sheet ( Excluding GST )

Rectangular / Square Ducting ( Site fabrication ) 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/ steel wire rope hangers etc. as per approved drawings and specifications of following sheet thickness complete as required. Thickness 0.63 mm sheet (Excluding GST )

Rectangular / Square Ducting ( Site fabrication ) 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/ steel wire rope hangers etc. as per approved drawings and specifications of following sheet thickness complete as required. Thickness 0.80 mm sheet ( Excluding GST )

Supplying and fixing of powder coated extruded aluminum Supply Air Grills/diffusor(as per requirement) with aluminum volume control dampers as per specifications. ( Excluding GST )

Supplying and fixing of powder coated extruded aluminum Return Air Grills /Diffusor(as per requirement) with louvers but without volume control dampers complete as required. (Excluding GST )

Duct Accoustic Lining Supply and fixing of acoustic lining of supply air duct and plenum with 25 mm thick resin bonded glass wool having density of 32 kg/m³, with 25 mm X 25 mm GI section of 1.25 mm thick, at 600 mm centre to centre covered with Reinforced Plastic tissue paper and 0.5 mm thick perforated aluminum sheet fixed to inside surface of ducts with cadmium plated nuts, bolts, stick pins, CPRX compound etc. or anti-microbial Chemically cross linked polyethlyne foam of class`O`(XLPE)complete as required and as per specifications. (Excluding GST)

Duct External Insulation Supplying and fixing of following thickness duly laminated aluminum foil of mat finish closed cell Nitrile rubber (Class `O`) insulation on existing duct after applying suitable adhesive for Nitrile rubber. The joints shall be sealed with 50 mm wide and 3 mm thick self adhesive nitrile rubber tape insulation or anti-microbial Chemically cross linked polyethlyne foam of class`O`(XLPE) with Aluminium PE foil complete as per specifications and as required. i) 19 mm (Excluding GST )

Canvass Connection (Excluding GST )

ODU Stand :- 18 HP TOP DISCHARGE (Excluding GST )