PROVISION OF AIR COOLED PACKAGE TYPE FLOOR MOUNTED AIR CONDITIONING PLANTS AT MLH HANGAR AT AF STATION CHANDIGARH

Amount

Supplying, installing, testing and commissioning of factory assembled, air cooled ducted Packaged air conditioner inverter type, AC plant capacity 11 TR complete with outdoor & indoor unit and the indoors should be designed to deliver at least 4400 CFM with all equipment and accessories complete and comprising of following:- (a) Air cooled ducted packaged air conditioner unit of minimum 11TR capacity and indoors should be designed to deliver at least 4400 CFM. (b) Hermetically sealed scroll type compressor with microprocessor based control with R-410 A /R407 C Refrigerant Gas electrically operated on three phase 415 Volts 50 Hz AC supply complete suction discharge shut of valve automatic capacity control with thermostat and solenoid valve, built in suction strainer, oil pump, hot gas muffler, crank case heat oil pressure safety switch etc.

(c) Control panel complete with HP/LP cut out, oil safety switch, suction discharge, oil pressure gauge (d) Shell and tube type air cooled condenser as per OEM (e) Cooling coil of copper tube with aluminium fins. (f) Heating Kit, trip type arrangement in bank to serve as re-heater complete with monsoon air conditioning (dehumidifier). (g) Blower for weather makers complete with suitable electrical motor TEFC squirrel cage motor for operation on 415 V, 3 phase, AC supply with V belt guard. (h) Expansion valves and pilot solenoid valves. (j) Necessary copper piping for liquid line complete with fitting valves etc. (k) First charge of non CFC refrigerant ( R-410 A/ R407 C) and oil for the complete plant. (l) Air filter of Non-woven polyester media enclosed in HDPE mesh. (m) Compressor on/off indicator (n) drainage port (o) Suction/ discharge pressure gauge

Supplying, installing, testing and commissioning of factory assembled, air cooled split air conditioner inverter type, AC plant capacity 11 TR complete with outdoor and indoor unit and the indoors should be designed to deliver at least 4400 CFM with all equipment and accessories complete and comprising of following:- (a) Air cooled split air conditioner inverter type, unit of minimum 11TR capacity and indoors should be designed to deliver at least 4400 CFM and flexible air supply hose type ducting heavy duty, air flow not less than 500 feet (b) Hermetically sealed scroll type compressor with microprocessor based control with R-410 A /R407 C Refrigerant Gas electrically operated on three phase 415 Volts 50 Hz AC supply complete suction discharge shut of valve automatic capacity control with thermostat and solenoid valve, built in suction strainer, oil pump, hot gas muffler, crank case heat oil pressure safety switch etc.

(c) Control panel complete with HP/LP cut out, oil safety switch, suction discharge, oil pressure gauge (d) Shell and tube type air cooled condenser as per OEM (e) Cooling coil of copper tube with aluminium fins. (f) Heating Kit, trip type arrangement in bank to serve as re-heater complete with monsoon air conditioning (dehumidifier) (g) Blower for weather makers complete with suitable electrical motor TEFC squirrel cage motor for operation on 415 V 3 phase AC supply with V belt guard (h) Expansion valves and pilot solenoid valves (i) Necessary copper piping for liquid line complete with fitting valves etc. (j) First charge of non CFC refrigerant ( R-410 A/R407 C) and Oil for the complete plant (k) Air filter of Non-woven polyester media enclosed in HDPE mesh (l) Compressor on/ off indicator (m) drainage port (n) Suction/ discharge pressure gauge NOTE: Flexible duct shall be measured and paid separately.

Supply, installation, testing and commissioning of copper piping for discharge line and of size (1 1/8 inch) 28.5 mm complete with all fittings such as bends , tees elbow etc. including insulation with closed cell type electrometric nitrile rubber tubular insulation of thickness 16 mm complete all as specified and as directed.

Supply, installation, testing and commissioning of copper piping for liquid line and of size ( 7/8 inch ) 22.2 mm complete with all fittings such as bends, tees elbow etc. including insulation with closed cell type electrometric nitrile rubber tubular insulation of thickness 16 mm complete all as specified and as directed.

Supply and installation of strip heaters arranged in banks of capacity 3x3 KW, working voltage 415 volts, AC supply for each unit complete with control wiring with PVC insulated PVC sheathed 1100 volts grade of size 1.5 Sq mm 6 core, gyser stat humidistat and heating thermostat for monsoon, re-heating and winter heating temperature complete all as specified and as directed.

Supply, installation, testing and commissioning of drain water piping of size 25 mm dia with braded wire mesh PVC heavy duty pipes complete with all fittings such as bends, tees, elbow, flanges, pipe hangers, support, anti-vibration support as per ANSI complete all as specified and as directed.

Supply, installation, testing and commissioning of drain water piping of size 32 mm dia with braded wire mesh PVC heavy duty pipes complete with all fittings such as bends, tees, elbow, flanges, pipe hangers, support, anti-vibration support as per ANSI complete all as specified and as directed.

Supplying, fabrication, installation, testing and commissioning of GI sheet metal ducting of guage thickness 24 G (0.63mm), zinc coated complete with all standard accessories, dampers, vanes, take offs, canvas connection GI hardware, self-adhesive elastomeric foam gasket, support etc. as per IS 655 complete all as specified and as directed.

Supplying, fabrication, installation, testing and commissioning of GI sheet metal ducting of gauge thickness 22 G (0.80mm), zinc coated complete with all standard accessories, dampers, vanes, take offs, canvas connection GI hardware, self-adhesive elastomeric foam gasket, support etc. as per IS 655 complete all as specified and as directed.

NOTE FOR ITEM NO 8.00 AND 9.00 :- (i) All ducts shall be rigid and shall be supported from the ceiling / slab by MS rods of 8 mm (3/8”)dia with MS angles at the bottom. (ii) The rods shall be anchored to RC slab using anchor/dash fasteners (iii) A rubber gasket of 5 mm thickness shall be provided between duct and angle to avoid metal‐to-metal contact and vibration (iv) Double nuts will be provided under angle supports. The hanger spacing for duct supporting shall be not more than 2 meter. Where ducts touches with wall or ceiling or beams or columns or floor, a rubber gasket of 5 mm thickness shall be provided between them. All flanges, bracing and supports are to be mild steel and are to be essentially given a coat of red oxide primer

Supplying, installation, testing and commissioning of plenum of 22G (180 GSM) GI duct of machine length and breadth and height of 5ft complete with all fitting, acoustic lining, insulation, volume control damper, nut, bolts, taping, accessories, canvas connections. The plenum should have two cut out of dia 18 inch in front for the insertion of flexible duct. The plenum should be supported from the base MS frame. The rate shall include suspension and supporting arrangement with angle iron and dash fasteners complete all as specified and as directed.

Supply and fix aluminium semi rigid duct of dia 18 inch, made out from aluminium folded strips of thickness 140 micro winded spirally and the aluminium sheet to be made such for leak proof interlocked crimped. Ducting to be flexible, strechable and ideal for low and medium pressure application and having fire rating class 'O' as per BS 476, the flexible duct should have minimum 30 feet length on complete extension complete all as specified and as directed.

Supplying, installation, testing and commissioning of aluminium extruded powder coated grilles and diffusers with aluminium volume control dampers as per design complete all as specified and as directed.

Supplying, installation, testing and commissioning of fire retardant non porous double layer flexible connection between each indoor unit and duct complete all as specified and as directed.

Supplying, installation, testing and commissioning of DDC controller for safe and efficient operation of AC including all necessary fittings, wiring for integration, programming and installation and commissioning of DDC controllers for 04 rooms to which package units to be deployed. The DDC Controller provides the following features: (i) Controls up to 2 cooling stages (ii) Controls up to 3 compressors/package AC units (iii) Fan proving interlock (iv) Dirty filter alarm (v) Emergency shutdown input (smoke detector/phase monitor/firestat or other shutdown conditions) (vi) Remote start/stop control (vii) 7 day, 2 events per day schedule (viii) Set up using a computer with software installed and supplied with the touch screen (ix) Can be operated stand-alone or connected to a networked system

Supplying, installation, testing and commissioning of acoustic lining of duct work with 12 mm thick fiber glass (density 48kg/cum) stick using primer hot bitumen and mechanically fastened, covered with RP tissue and 30G aluminum perforated sheet. Acoustic lining shall be rigid board complete all as specified and as directed. NOTE:- (i) Rigid board of fibre glass wool of density 48 kg/m3 to be covered with 32 G perforated aluminium sheet and fastened with sheet by screw and washer with pitch not less than 12 inch (ii) Acoustic insulation shall be done at 30% of the start and 20% towards the end of each ducting internally, after cleaning the internal surface of the duct to make it free from dirt and dust

Supplying, installation, testing and commissioning of duct thermal insulation with 19 mm thick Nitrile rubber with black BOPP tape 75mm wide ductwork shall be insulated with 19mm thick aluminium foil faced nitrile rubber (Class O). All joints shall be sealed with 75 mm wide adhesive based aluminium tape approved by the OEM for the insulation material. The thermal conductivity (K value at Chandigarh ambient) of the material shall be not more than 0.032 W/(m0 K) and density not less than 33 kg/m3 complete all as specified and as directed.

Material and labour for making base frame of outdoor and indoor package type refrigeration machine made out from MS channels section with flange plate, caps bases etc. of grade Fe410-W (Gde E-250 quality-A) complete all as specified and as directed.

Supplying, installation, testing and commissioning of motorised fire damper of MFD- 800 mm x 300 mm size, fire rating 120 minute at 150°C, scope also includes integration of fire dampers with fire alarm panel / local controller for emergency operations complete all as specified and as directed.

Supplying, installation, testing and commissioning of motorised fire damper of size MFD- 450 mm X 300 mm size, fire rating 120 minute at 150°C, scope also includes integration of fire dampers with fire alarm panel / local controller for emergency operations complete all as specified and as directed.

Supply and fixing PVC insulated, unsheathed multi stranded copper conductor of size 1.5 Sqmm 2 core, 1100 Volts grade with PVC insulated copper earth wire for control wiring in PVC conduit for interlocking between IDU and ODU (considering main supply and TPN / MCCB with double earth Shall be provided by electrical contactor near each outdoor unit) complete all as specified and as directed.

Supply and fixing PVC insulated, unsheathed multi stranded with copper conductor of size 1.5 Sqmm 6 core, 1100 Volts grade for control wiring drawn in and including PVC conduit of suitable size for interlocking arrangement as per standard practice for thermostat, humidistat, heater bank etc. required for satisfactory completion of the job complete all as specified and as directed.

UTSAV INDIA LIMITED

M/S N.K BUILDERS

Shree Ayyappa Engineering

Comfort Systems

Leo Air and Power Solution pvt Ltd.

Pneumatic Engineers Pvt. Ltd.

M/s R.V. Constructions

Parksons Engineering Company Pvt Ltd

TRAC FUJICO AIR SYSTEMS LLP