Internal Modification of Existing International Passenger Terminal Building at Calicut International Airport SH Electrical Works

Amount

Supplying, installing, testing and commissioning of double skin construction AIR HANDLING UNIT of 14000CFM made of 25mm thick panels consisting of pre plasticized G.I. casing of thickness 0.8mm outside layer and 0.8 mm inside layer with polyurethane foam (PUF) insulation factory injected between them by injection moulding machine. AHUs shall be provided with Lockable push button OFF near AHU. AHU shall be complete with following: a. Supply air centrifugal Backward / forward curved fan for all AHU's with efficiency >75% suitable for static pressure of not less than 40mmwg and Fan outlet velocity not exceeding 10 mps. b. VFD shall be designed for dedicated HVAC applications for supply air fan with built-in PID controller, control panel (keypad & display) , suitable IP enclosure for use on standard. Each VFD panel to be provided with digital display showing electrical parameters like voltage, current, power consumption and shall be independent mounting type.The VFD should have following I/O points AI- 5 , AO- 4 , DI- 6, DO -2 , Vendor configure & programme VFD based on above points. Each VFD Panel shall be provided with a suitable capacity incomer 4 pole MCCB & Terminals for cable Termination etc as required. This starter Panel shall be provided with 2 nos 16 A DP MCB & 1No. 32 - 50 A TPN MCB for VFD etc complete as required for functionig of VFD for AHU. c.Pre filter ( MERV 8 - filter section with 50mm thick metal viscous/ washable synthetic type air prefilters ) in supply air stream. d.Cooling coil section with aluminium finned copper tubes (tubes thickness not less than 0.5mm) , cooling coil of 6 row deep e.Squirrel cage induction motors suitable for 415 ± 10% volts, 50 Hz, AC supply & high efficiency IE3. f.Fan belt drive package with suitable belt and pulleys g.Vibration isolators. h.Mixing Chamber with return air and fresh air dampers of suitable capacity. i. AHU shall be provided with SS-304 end plates for coil , 150 mm dia. dial type pressure gauges (2 nos.)and industrial type thermometers (2 nos.) at the inlet and outlet of coil, auto purge valve wherever required

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 fire retardant quality expanded polystrene moulded pipe section of density 20 kg/cu.m after a thick coat of cold setting adhesive (CPRX compound) wrapping with required quantity polythene faced hessain and finally applying 0.63mm aluminium sheet cladding complete with type3 , grade 1 roofing feltstrip(as per IS:1322 as amended up to date ) at joints repairing of damage to building etc. as per specifications and as required complete in all respect. 100mm dia.(50mm thick insulation) pipe M.S. 'C' class as per IS : 1239

Supplying, fixing, testing and commissioning of following valves, strainers, gauges in the chilled water piping 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 circulation as specified 100mm dia

Y - STRAINER of Ductile CI Body flanged ends with stainless steel strainer for chilled / hot water circulation including insulation as specified. 100 mm dia

Supply, installation, testing and commissioning of TWO WAY PRESSURE INDEPENDENT DYNAMIC BALANCING CUM CONTROL VALVE suitable for 100mm dia pipelines provided with spring return function & fitted with modulating actuators in chilled water lines at air handling unit. The actuator shall have required shut off capability of minimum 4 bar rating. The valves & actuators for AHU’s shall be provided with thermostat for measuring the return air temperature and operating the actuator as an independent system. Further the valve shall also be compatible with Building Automation System (Siemens Desigo CC)

Supply and laying of 40 mm PVC pipe for drain line with required supports etc complete as required

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

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. Thickness 1.00 mm sheet

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. Thickness 0.80 mm sheet

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. Thickness 0.63 mm sheet

Supplying and fixing of 25mm 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 3mm thick self adhesive nitrile rubber tape insulation complete as per specifications and as required.

Supply and laying of 10 mm closed cell nitrile rubber acoustic insulation

Supply and fixing of canvas connections

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, testing and commissioning of GI volume control duct damper complete with neoprene rubber gaskets, nuts, bolts, screws linkages, flanges etc, as per specifications.

Supplying, Fixing,testing and commissioning of fire dampers in supply air duct/main branch and return air path as and where required of required sizes i/c control wiring,the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications Fire damper

Supplying, Fixing,testing and commissioning of fire dampers in supply air duct/main branch and return air path as and where required of required sizes i/c control wiring,the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications Actuator

SITC of UVGI lamps system suitable for continuous operation having UV-C band having wave length of 254+/-1nm and irradiation intensity of average 4016microwatts/sq.cm for germicidal irradiation of the entire AHU cooling coil face area along with all supporting structures, power and control panel, cabling ,earthing ,safety provisions etc as per the detailed technical specifications for AHU details specified here under complete as required. 14000 CFM

Supply, Installation, Testing and Commissioning of Stand alone Intelligent 32 bit Microprocessor DDC Controllers (PXC12.D or equivalent) as per the specifications for IO points. The above shall be housed in a vandal proof, lockable & secure MS powder coated Cabinets to be supplied along with the Controllers.

Integration of the DDC controller including sensors into the existing BMS system (Make : Siemens Model : Desigo CC)

Supply, Installation, Testing and Commissioning of Differential pressure switches across the blowers for indicating blower status. Pressure differential – 10mmWG – 125 mmWG. The switch shall be with connecting tube and metal bends for connections to the duct. The housing shall be IP 54 rated.. The contact shall be SPDT type with 230 VAC, 1 A rating

Supply, Installation, Testing and Commissioning of Differential pressure switches across the Air Handling Unit filters, for indicating the filter status. Pressure differential – 2 mmWG to 15 mm WG. The switch shall be with connecting tube and metal bends for connections to the duct. The housing shall be IP 54 rated. The contact shall be SPDT type with 230 VAC, 1 A rating as per specification.

Supply, Installation, Testing and Commissioning of Duct Temperature Sensor shall be with rigid stem and of averaging type. These shall be suitable for duct installation (Range - 0-50o F) and accuracy shall be ± 0.36 degrees F.

Supply of recess LED lights of 25-32W and having luminous efficacy of minimum 100-120 lm/W,die cast powder coated housing including all accessories such as driver etc. complete as required.(WIPRO CRCO10R038HP57G1/Philips RC380B LED30S -6500 G4 L60 W60 PSD OD or equivalent )

Supply of XLPE insulated PVC inner sheathed, armoured aluminium conductor underground power cable of 1.1 KV grade of following size conforming to IS:7098(Part-I) 1988, with upto date amendments etc., complete as required. 4x 25 Sq.mm

Laying and fixing of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size on wall surface as required. Upto 35 sq. mm (clamped with 1mm thick saddle)

Laying and fixing of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size on existing cable tray as required. Upto 35 sq. mm (clamped with 1mm thick saddle)

Wiring for circuit/ submain wiring alongwith earth wire with the following sizes of FRLS PVC insulated copper conductor, single core cable in surface/ recessed medium class PVC conduit as required a) 2 X 1.5 sq. mm + 1 X 1.5 sq. mm earth wire

Wiring for circuit/ submain wiring alongwith earth wire with the following sizes of FRLS PVC insulated copper conductor, single core cable in surface/ recessed medium class PVC conduit as required a) 2 X 2.5 sq. mm + 1 X 2.5 sq. mm earth wire

Wiring for circuit/ submain wiring alongwith earth wire with the following sizes of FRLS PVC insulated copper conductor, single core cable in surface/ recessed medium class PVC conduit as required a) 2 X 4 sq. mm + 1 X 4 sq. mm earth wire

Wiring for light point/fan point/ exhaust fan point/ call bell point with 1.5 sqmm FRSL PVC insulated copper conductor single core cable in surface / recessed steel conduit, with piano type switch, phenolic laminated sheet, suitable size MS box and earthing the point with 1.5 sqmm FRLS PVC insulated copper conductor single core cable etc. as required. Group C

Wiring for group controlled (looped) light point/fan point/exhaust fan point/ call bell point (without independent switch etc.) with 1.5 sq. mm FRLS PVC insulated copper conductor single core cable in surface/ recessed steel conduit, and earthing the point with 1.5 sq. mm FRLS PVC insulated copper conductor single core cable etc as required. Group C

Supplying and fixing following way, horizontal type three pole and neutral, sheet steel, MCB distribution board, 415 volts, on surface/ recess, complete with tinned copper bus bar, neutral bus bar, earth bar, din bar, interconnections, powder painted including loose wire box, earthing etc. as required. (But without MCB/RCCB/Isolator) 6 way (4 + 18), Double door

Supplying and fixing following way, horizontal type three pole and neutral, sheet steel, MCB distribution board, 415 volts, on surface/ recess, complete with tinned copper bus bar, neutral bus bar, earth bar, din bar, interconnections, powder painted including loose wire box, earthing etc. as required. (But without MCB/RCCB/Isolator) 4 way (4 + 12), Double door

Supplying and fixing Cable End Boxes (IP 43) suitable for following tripple pole and neutral, sheet steel, MCB distribution board, 415 volts, on surface/ recess, complete with testing and commissioning etc. For 6 way, Double door TPN MCBDB

Supplying and fixing Cable End Boxes (IP 43) suitable for following tripple pole and neutral, sheet steel, MCB distribution board, 415 volts, on surface/ recess, complete with testing and commissioning etc. For 4 way, Double door TPN MCBDB

Supplying and fixing 5A to 32 A rating, 240/415V, 10kA, "C" curve, miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc as required. Single Pole

Supplying and fixing following rating, four pole, (three phase and neutral), 415 volts, residual current circuit breaker (RCCB), having a sensitivity current 30 milli amperes in the existing MCB DB complete with connections, testing and commissioning etc. as required 63 A

Supplying and fixing following rating, four pole, (three phase and neutral), 415V, 10kA Short circuit breaking capacity MCB, having in the existing MCB DB complete with connections, testing and commissioning etc as required. 63 A , C Curve

Supplying and fixing following modular switch/ socket on the existing modular plate & switch box including connections but excluding modular plate etc. as required. 15/16 amp switch

Supplying and fixing following modular switch/ socket on the existing modular plate & switch box including connections but excluding modular plate etc. as required. 6 pin 15/16 amp socket outlet

Supplying and fixing following size/ modules, GI box alongwith modular base & cover plate for modular switches in recess etc as required. 3 Module (100mm x 75mm)

Supplying and fixing following Modular base & cover plate on existing modular metal boxes etc. as required. 3 Module

Installation, testing and commissioning of 2x2 LED Light fixture with suitable MS support frame of size 600 x 600 mm duly powder coated per fitting in gypsum false ceiling with necessary holes for connecting hooks/chain including supply of suitable length of chain & hook with all accessories including connections with 1.5 Sqmm cable, cable connectors complete etc as required.

Supplying, installation, testing & commissioning of sprinkler flexible pipe (UL Listed) of stainless steel complete with 15 NPT on reducer thread with maximum working pressure of 175 PSI test pressure of 875 PSI (Burst) with branch line (Inlet) 25mm NPT male thread to sprinkler head (Outlet) 15mm NPT female thread with reducer, nipple, 2 side brackets,center bracket, stockbar of 1000MM length complete as required, the job also includes the dismantling of existing sprinklers.

Providing, laying, testing & commissioning of 'C' class heavy duty M S pipe conforming to IS 1239 including welding, fittings like elbows, tees, flanges, tapers, nuts, bolts, gaskets etc. and fixing the pipe on the wall/ceiling with suitable clamp/support frame and painting with two or more coats of synthetic enamel paint of required shade complete as required complete in all respects as required by the standard specifications. (For sprinkler system) 100 mm dia MS 'C ' Class Pipe

Providing, laying, testing & commissioning of 'C' class heavy duty M S pipe conforming to IS 1239 including welding, fittings like elbows, tees, flanges, tapers, nuts, bolts, gaskets etc. and fixing the pipe on the wall/ceiling with suitable clamp/support frame and painting with two or more coats of synthetic enamel paint of required shade complete as required complete in all respects as required by the standard specifications. (For sprinkler system) 65 mm dia MS 'C ' Class Pipe

Providing, laying, testing & commissioning of 'C' class heavy duty M S pipe conforming to IS 1239 including welding, fittings like elbows, tees, flanges, tapers, nuts, bolts, gaskets etc. and fixing the pipe on the wall/ceiling with suitable clamp/support frame and painting with two or more coats of synthetic enamel paint of required shade complete as required complete in all respects as required by the standard specifications. (For sprinkler system) 50 mm dia MS 'C ' Class Pipe

Providing, laying, testing & commissioning of 'C' class heavy duty M S pipe conforming to IS 1239 including welding, fittings like elbows, tees, flanges, tapers, nuts, bolts, gaskets etc. and fixing the pipe on the wall/ceiling with suitable clamp/support frame and painting with two or more coats of synthetic enamel paint of required shade complete as required complete in all respects as required by the standard specifications. (For sprinkler system) 32 mm dia MS 'C ' Class Pipe

Providing, laying, testing & commissioning of 'C' class heavy duty M S pipe conforming to IS 1239 including welding, fittings like elbows, tees, flanges, tapers, nuts, bolts, gaskets etc. and fixing the pipe on the wall/ceiling with suitable clamp/support frame and painting with two or more coats of synthetic enamel paint of required shade complete as required complete in all respects as required by the standard specifications. (For sprinkler system) 25 mm dia MS 'C ' Class Pipe

Providing, fixing, testing & commissioning of 15mm size quartzoid bulb type sprinklers, of rating 68 degree C. pendent with required accessories etc. complete in all respects as required by the standard specifications.

Fixing, testing & commissioning of 15mm size quartzoid bulb type sprinklers, of rating 68 degree C. pendent with required accessories etc. complete in all respects as required by the standard specifications.

Cutting and reducing length of MS pipes for sprinkler system of various sizes (from 25mm dia 'C' Class Pipe to 65mm dia 'C' Class Pipe ) including welding and paiting of welded portion with two or more coats of synthetic enamel paint of required shades complete as required

SITC of ceiling mounted speaker (Make; Bosch, Model No. LBC 3099/41; 100V, 24W METAL GRILLE, SPRING CLAMPS, EVAC or its equivalent from as per approved make list) etc., as required.

Supply and laying twin core 1.5 sqmm FR PVC insulated copper conductor industrial speaker cable for Speaker and Network cables (including interconnection, jacks, PVC pipe, flexible hoses with accessories as per requirement etc.,.) on surface/ recess etc. as required.