81713PROVN OF AIR CONDITIONING OF AIR TRAFFIC CONTROL TOWER AT AFTT NDA KHADAKWASLA.

Amount

Supply & Installation of Modular Extendible type 100 % All Inverter Variable Refrigerant Flow Outdoor units comprising of Hermetically sealed INVERTER Variable Speed Scroll compressors. The unit shall comprise of high efficiency, low noise condenser fan with guard and IP 55 motor, heat exchanger and coated fins for increased durability. The casing shall be powder coated and the unit shall be provided with liquid line strainer, catch all drier, thermostats etc. suitable for interconnecting with any type of indoor units with cordless / corded remote controller. The ODU & IDU shall be integrated with special super wiring system with the central monitoring control. The unit shall be factory wired and tested before despatch. The operating refrigerant shall be R-410A only.The unit shall be IBMS compatible with open protocol. Outdoor should give 100% Capacity at 43% Deg C Ambient Tempratur. The COP of the Outdoor units should be more than 3.5 at design conditions.The rate includes AC DB P&S TP/SP 20amp metal plug and socket distribution board of 8 Nos as specified and as directed.The VRF Unit should be capable in such way that refrigerant piping limits shall be as under between Indoor Units & Outdoor units shall be extendable upto 180M of equivalent length. Maximum height difference between outdoor Unit & indoor Unit of 90 M (ODU above IDU), Level difference between Indoor Unit Maximum upto 40 M (a) The condensing unit shall have two compressors for 14 HP & above capacity. (b) The unit shall work for the following ambient condition Range Cooling Mode: 10 Deg C to 56 Deg C, Heating mode : -10 Deg C to 24 Deg C, 20 HP OUT DOOR UNIT(Consists of 2 x 10 HP Units)

Supply of VRF based Large Cassette & Compact Cassette machine complete with Fan section with Fan/Cooling Coil suitable for HFC-410a With electronic expansion valve, return air filter, insulated drain tray,inbuit drain pump and necessary controls, 2.5 HP-8 Nos

Supply of Centralized Controller, Remote Controllers & Refnet Joints as design by OEM, Cordless Remote-08 Nos, Refnet Joints (Indoor Unit) -07 Nos, Refnet Joints (Outdoor Unit)

LOW SIDE WORK : REFRIGERANT PIPING (a) Supply installation, testing and commissioning of hard/soft copper refrigerant piping, insulated with 13mm thick and 19mm thick for suction line closed cell nitrile rubber insulation, complete with fittings, elbows, bends supporting arrangement on walls Make : Armacell/Aeroflex (b) Copper piping of size from outdoor unit to indoor unit upto 130 mtr (c) Supply installation, termination , testing and commissioning control wiring of required size for outdoor unit and indoor unit - 130 mtr (d) Supply, installation, testing and commissioning of Additional top up- referigerant, outdoor unloading & shifiting on roof and Pressure Testing and commisioning -01 Job (e) S&F CPVC drain piping for the units insulated with 6mm nitrile rubber (as per site condition) 32 mm dia - 80 mtr

MS stand for outdoor units zinc chromate primer duly epoxy coated - 02 Nos.

Supply, installation, testing and comissioning of insulation of under deck with 25 mm thick open cell nitrile rubber with anti microbial treatment & of class 'I stuck inside the using rubber adhessives (F M approved), density of 140-180 kg/m cub - 30 Sqm.

Outdoor Unloading & shifting on Roof.

M&L for Earthing complete with galvanized steel earth plate electrode 60 cm x 60 cm x 6 mm thick buried directly in ground (earth pit not less than 2.25 mtr deep below normal ground level) connected to galvanized iron strip 25 x 4 mm, 7.5 mtr long by means of bolts, nuts and washers of galvanized iron or steel, GI light grade protection pipe 15mm dia, GI medium grade water pipe 20mm dia with funnel all as shown in electric plate No 3 of SSR-2009 pt-I and testing complete including earth work excavation in any type of earth strata PCC 1:2:4 as in earthing pit, 50 mm PCC pit cover with 6mm iron handle attached , common salt charcoal all as specified including testing on complete. Note GI strip beyond 7.5 mtr shall be measured and paid for seprately.

M&L for Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc as required with 25 x 4mm GI strip complete all as specified and as directed.

M&L for brickwork with subclass 'B' Bricks straight or curved on plan exc 6m means radius buit in CM 1:6 complete all as specified and as directed.

M&L for Cement concrete 1:3:6 type C2 using 40mm stone aggregate foundation/resting platform in foundation filling and mass concrete complete all as specified and as directed.

M&L for mild steel rolled section connected with each other with welding (angle, tee, channel, beam, hollow sections etc) as in main and cross beams, hip verticle hollow sections and jack rafters, purlins where connected to common rafters and running rils where verticle suctions and fixed in welded in wallsin wall surface with plates and other verticle sections are fixed in ground level embedded in concrete fixed and horizontal sections fixed in wall with bolt completly, fixed with angle, cleats or other connecting plates conforming to Gde Fe -410-W (Gde E-250) quality-B complete all as specified and directed by Engr-in-charge

M&L for Pre painted galvatume aluminum zinc coating GI based corrugated steel sheet 0.50mm thick of an colour having tensile strength of 550 Mpa as in roof covering/cladding to wall tixed with self tapping screws complete all as specified and as directed.

Supply & laying in trenchs or refixing on wall with shaddle and testing cable XLPE insulted screened, PVC bedded galvanizer steel strip or wire armoured electric power cables (heavy duty) 1100 Volts grade with standard aluminium conductor of size 25 sqmm 4 core complete all as specified and as directed.

All as per item No 09 here- in- above but of size 16 sqmm 4 core complete all as specified and as directed.

S&F sheet metal MCB DB 8 way (double door) VTPN with 200 Amps rated copper bus bar suitable for 100 amp MCCB Incomer and the rate includes of 8 Nos of MCB TP 240 Volts 20Amp breaking capacity 10KA Outgoing complete all as specified and as directed.

S&F and connecting MCCB 4 pole 415 Volts 100 amps having breaking capacity 16KA complete all as specified and as directed.

M&L for wiring for circuit / Submain wiring along with earth wire with with the following sizes of FRLS PVC insulated copper conductor single corecable in surface/recessed as required in PVC casing caping of size 2 x 2.5 sqmm + 1 x 1.5 sqmm earth wire complete all as specified and as directed.

Supply and Laying including testing and commissioning LT UG Power cable, XLPE Insulated, screened, PVC bedded, galvanized steel strip, electric power cables (heavy duty) 1100 Volts grade multi-stranded aluminium conductor including galvanised or Cadmium plated high tensile nuts, bolts and washers etc including termination on both side of LT Feeder pillar/Panel/Bus Bar Panel complete all as specified and directed of size 3.5 Core 95 Sqmm.

Excavation in trenches, n.exc 1.5 m wide and n. exc 1.5 m depth and getting out in for foundation of pole, stay, laying of cable and pipe etc :

Hard/dense soil

Soft / disintegrated rocks

Returning and filling in, including spreading and well ramming in layers n exc 25 cm complete all as directed.

Removing excavated material a distance n. exc 50 m & depositing where directed at a level n. exc 1.5 m above the starting point complete all directed.

M&L for dry sand for cushioing to under ground cable in trenches incl spreading, leveling and hand punning complete all specified. Note : For measurement purpose punned thickness shall be considered.

Supply and Laying un-reinforced precast concrete cable cover, class LV, Type 1, flat, size 250mm x 150mmx 40mm for protection of cable from mechanical damage complete all as specified and as directed.

S&F Busbar Box weather proof outdoor type single door, fabricated out of 3.15 mm thick CRCA sheet with epoxy powder coating of RAL-7032 ( Siemens Gray) shade with matt finish with seven tank pre treatment process. The Panel shall be compartmentized design totally enclosed, dust and vermin proof, conforming to degree of protection IP-43, Gaskets between all adjacent units and beneath all covers shall be provided to render the joints dust proof. All doors and covers shall be provided with cylindrical panel locks and shall be fully gasketed with neoprene rubber and shall be lockable. The panel shall be provided with aluminium bus bars of 200 Amps current rating, electrolytic grade including required size of nut bolts for fixing of cables. The bus bars and Interconnecting links shall be insulated with heat shrinkable PVC sleeve with RYB & black colour coding and fix horizontally. The bus bars shall be supported on unbreakable, non-hygroscopic SMC insulated supports at sufficiently close intervals to prevent busbars sag and shall be housed in a dedicated compartment. All joints and connection shall be done with galvanised or cadmium plated high tensile nuts, bolts and washers. The panel shall be provided with 04 Nos 35 mm x 35 mm x 4 mm thick angle iron supports of not less than each 0.6 mtr height duly painted with anti corrosive black paint and grouted in PCC 1:3:6 at suitable depth as per site requirement. The overall size of the Busbar panel shall not be less than 500 mm x 300 mm x 700 mm (LxWxH) including earthwork all as directed and specified by Engr in Chrage.

Supply, installation, testing and commissioning LT Panel weather proof outdoor type double door, fabricated out of 3.15mm thick CRCA sheet with epoxy powder coating of RAL-7032 (Siemens Gray) shade with matt finish with seven tank pre treatment process. The panel shall be fabricated by CPRI approved manufacturer only. The panel shall be compartmentized design totally enclosed, dust and vermin proof, conforming to degree of protection IP-43, front side double door type with locking arrangement for front side and back side also, comprising of gaskets between all adjacent units and beneath all covers shall be fully gasketed with neoprene rubber and ventilation arrangement for heat dissipation from both side of panel. The panel shall be provided with aluminium bus bars, electrolytic grade of 400 Amp current rating. The busbars and Interconnecting links shall be insulated with heat shrinkable PVC sleeve with RYB & Black colour coding. The bus bars shall be supported on unbreakable, non-hygroscopic SMC insulated supports at sufficiently close intervals to prevent busbars sag and shall be housed in dedicated compartment. The panel shall be prewired with FRLS PVC insulated copper conductor cables of suitable size properly tagged and secured. All joints and cable connection shall be done with galvanized or cadmium plated high tensile nuts, bolts and washers including Lugs etc. The panel shall be provided with digital multifunction meter 4410 Series, Accuracy Class 1 with RS 485 Parameters with cast Resign CTs and RYB, ON, OFF & Trip LED indicating lamps at incoming. The panel shall be provided with manufacturer's name plate, skull & bones danger notice board etc. The panel shall be provided 4 Nos 50x50x5mm thick angle iron supports of not less than each 1 mtr height duly painted with anti corrosive black paint and grouted in PCC 1:3:6 at suitable depth as per site requirement . All MCCBs shall be provided with spreader links with phase separators on both sided and suitable extended rotary handles for all incoming and outgoing MCCBs complete all as specified and as directed. The overall size of the panel shall not less than 1000 mm X400 mm X 1000 mm (L x D x H). The panel shall be provided for Cable entry from bottom side for 4 No of Cable, size upto 185 sqmm with suitable size of SS Cable Glands including 2 Nos of Earting Terminals one on each side of the Panel including following accessories:- Note : Before manufacturing drawing and design of panel including size & length of busbar shall be approved by Engr-in-charge.

ON LOAD change over switch four pole with advance Neutral 200 Amps current rating manual changeover front side handle operated conforming to IS 13947 (Part-3) including RYB LED Indication Lamp for both incoming cables.

S&F MCCB, 4 Pole 200 Amp, 25 KA Conforms to IS/IEC 60947-3, Ics = 100% Icu suitable for Isolation, Adjustable Overload setting : 0.8-1.0 x In with both side of spreader links and phase separater etc. (Incoming) - 01 No

S&F MCCB 4 Pole, 415 Volts, 100 Amp with Thermal Magnetic release, 16 KA, Conforms to IS/IEC 60947-2, Ics = 100% Icu suitable for Isolation, Adjustable Overload setting : 0.8-1.0 x In with both side of spreader links and phase separator etc. (Outgoing) - 02 No.

S&F of Cable Route Marker made up of Cast Iron of dia 100 mm and thickness 4.65 mm with supporting angle iron of size 20 x 20 x 3 mm and height 0.6 mtr for stand including priming, painting and wirting of "LT CABLE" in suitable size of letter including necessary earthwork and grouted at suitable depth in PCC 1:3:6 Type C2 using 40 mm graded aggregate in mass concrete complete all as specified and directed at site by Engr-in-Charge.

M&L for Road Cutting as required for laying pipe/cable etc including earthwork and necessary excavation including making good with required material to match with the existing one complete all as specified and as directed by Engineer-in-charge.

M&L for tubes, Light Grade, galvanised with all fittings, laid in trenches for protection of Cable for Road/Path Way Crossing etc of 100 mm dia size complete all as specified and directed by Engr-in-Charge.

KESARI AND SONS

BRITE INDUSTRIES

Shree Ayyappa Engineering

tulsani associates

HVAC Engineering Co

M/s. NILESH SURESH KAWOOR

E M CONSTROL SYSTEM

Green Ray Enterprises