Provision of Turn pad Lighting and other GLF works at Calicut International Airport

Amount

S/o LED type Inset Uni - Directional Turnpad Light Fitting : Supply of following LED type Inset light fitting for aviation visual aids requirements complete with shallow base and matching body of the fitting, working at a current of 6.6 Amps and all standard accessories meeting ICAO specifications as required with extended warranty for 5 years including spares as per special conditions of contract and technical specifications. 8" Turnpad Centreline light - Uni-directional Green

S/O Secondary Cable :Supply of 3 x 2.5 sqmm of 1.1 kV grade PVC insulated and PVC sheathed multi stranded copper conductor unarmoured cable conforming to IS 694-1990 up to date amendments complete as required.

Supply of Two pin secondary plug assembly 2X2.5 sq.mm, 0.3 meter long suitable for runway lights as per technical specifications as required.

S/O plug & Receptacle : Supply of 16 sqmm, 5 KV grade plug and receptacle of type I, class 'B' plug and receptacle suitable for field attachment with 5 KV grade PVC insulated, PVC sheathed, single core copper conductor cable as required.

S/O Airfield Lighting Cable : Supply of 5 KV grade stranded copper conductor un-armoured, PVC insulated, PVC sheathed underground airfield lighting cable generally conforming to IS 1554 Part II as required, of following size 1 Core X 16 Sq.mm

S/O Of Isolation Transformer : Supply of 5 KV grade, 50 Hz isolation transformer suitable for use in airfield lighting, with following rating completely encapsulated in polyster resin, finally moulded in neoprene type rubber , with primary and secondary connections 45 Watt, 20/6.6 Amps

S/O CI Boxes : Supply of Cast iron Isolating Transformer housing box, water tight round type, metal container of outside dia 330 mm, height 450 mm made of 10 mm thick cast iron moulding all round, except the top surface, which is 15 mm thick cast iron moulding suitable to receive a light fitting base plate/cover plate on the top and underground housing associated with transformer power cable and having required numbers of holes of appropriate diameter, as per site requirement on the periphery centre, 75 mm above bottom surface suitable to receive HDPE/GI pipes as required. The box should have two removable SS earth bolts of M10 x 40 mm fixed near the hole (4" away from the hole centre) for connecting the earth wires/strip and having a drain hole at the bottom suitably threaded to receive 15 mm dia, 'B' class GI pipe and having clear opening of 220 mm at the top surface and 6 Nos. M10 tapped hole having centre to center distance of 260 mm alongwith bolts as required as per the drawings.

Supply of cover plate of MS, having thickness of minimum 5 mm, suitable for 330 mm dia transformer housing box used in airfield lighting, having 06 nos. of holes suitable for fixing M-10 bolts along with suitable gasket. The overall diameter of the plate shall be 310 mm and the pcd (pitch circle diameter) shall be 260 mm. The holes shall be placed at 60° axis of the plate. The cover plate shall be painted with one coat of primer and two or more coats of aviation yellow PU paint.

S/O of HDPE Pipe : Supply of following sizes high density polyethylene (HDPE) PE 63, PN06 pipe conforming to IS 4984 with bends, couplers etc. as required. 50mm dia

Supply 20 mm GI pipe : Supply of 20 mm dia, 'B' class GI pipe conforming to IS 1239 with bends, couplers etc. as required as per specification.

Laying of 20 mm GI pipe: Laying of 20 mm dia, 'B' class GI pipe conforming to IS 1239, by cutting bituminous/concrete upto a depth of 15 cm, connecting both/one end to existing transformer housing box i/c refilling with suitable dobefill/ cement /bituminous concrete etc. with bends, couplers etc. as required as per technical specification.

SITC of CCRs : Supply Installation, testing & commissioning of indoor type air cooled constant current regulator of following sizessuitable for use on input supply voltage 400 +/- 10% 50Hz, output power with tapping at 75% of rated capacity and output current at highest intensity 20A ,with 5 steps current variation suitable for local and remote control operation with built in 24V/48V DC control supply, digital output ammeter (0-10 Amps), having protections against over current, open circuit , having meter for indicating earth leakage & provision for positive back indication complete as required, all necessary arrangement, interconnecting the already laid power & control cables, end terminations & earthing connection as required. Note: The CCR should be compatible with existing ALCMS and necessary cabling/alterations as required for achieving the same shall be deemed to be included in the scope. 50 kW

Supply Installation, testing & commissioning of indoor type air cooled constant current regulator of following sizessuitable for use on input supply voltage 400 +/- 10% 50Hz, output power with tapping at 75% of rated capacity and output current at highest intensity 6.6 A ,with 5 steps current variation suitable for local and remote control operation with built in 24V/48V DC control supply, digital output ammeter (0-10 Amps), having protections against over current, open circuit , having meter for indicating earth leakage & provision for positive back indication complete as required, all necessary arrangement, interconnecting the already laid power & control cables, end terminations & earthing connection as required. Note: The CCR should be compatible with existing ALCMS and necessary cabling/alterations as required for achieving the same shall be deemed to be included in the scope. 10 KW

ITC of Inset Type Fitting: Installation, testing and commissioning of Runway turnpad centerline light inset fitting including core cutting,chipping out the required portion of the pavement, all sorts of alignment and setting , providing & applying suitable sealant as per the sealant manufacturer's recommendations etc. complete with location marking/mapping/plotting and aligning the fitting as per system requirement and directed by AAI, employing appropriate apparatus like theodolite/total station, documentation, retrieving the physical location of earlier marked/mapped co-ordinates as and when required etc. complete, including arranging necessary jigs, fasteners etc. as required. Note. Minimum three number core cutting machines should be deployed for installation works.

ITC of Boxes/Chambers : Installation of CI housing box along with cover plate of size 330 mm dia and depth up to 450 mm as per drawing i/c excavation of hard rock/pavement of all types/ concrete/bitumen etc. and all kinds of soil to the required depth, as per specifications, refilling the side surface, sloping and making good the same as original, providing cement cncrete foundation of ratio 1:3:6 ( i cement, 3. coarse sand and 6 graded stone of 40 mm nominal size) & thickness of concrete at 75 mm in all sides i/c bottom dressing of earth, with brick and finishing with 13 mm thick cement plaster of ratio 1:3 on exposed surface and neat cement finishing on top etc. as required.

Excavation of Soil : Excavation of all kinds of soil to a depth 50 cm and width 40cm, including refilling and compacting etc., (after laying of cable/pipes/earthing strip) as required.

Laying of HDPE pipe in trench : Laying of HDPE pipe in the existing trench of outer dia not exceeding 50 mm with all accessories like socket, bend, couplers etc complete with fitting and cutting, jointing etc. in the existing trench, complete as required.

Laying of cable in pipe : Laying of one number 3 x 2.5 sqmm PVC insulated & sheathed un-armoured cable, in the existing G.I/HDPE/Hume Pipe etc. as required.

Laying of cable in pipe : Laying of one number PVC insulated & PVC sheathed armoured/un-armoured aluminium / copper conductor power/ Runway primary/ secondary cable of grade not exceeding 5KV of size not exceeding 25 Sq.mm in the existing RCC/HUME/STONEWARE / METAL/ HDPE pipe etc. as required.

Making of field Connection : Making field connection by crimping 6/16 sqmm plug and receptacle on single core 6/16 sqmm copper conductor cable in an approved manner including applying HT tape, heat shrinkable sleeve etc. as reqd.

S & M of End Termination : Supply and making connections with the secondary side of isolating transformer using the male adapter and the other end of the 2.5 sqmm cable with suitable socket/lug/thimble etc. including applying HT tape, heat shrinkable sleeve complete as required

Numbering of Runway Fixtures : Numbering of runway turnpad light fixtures with suitable paint, using stencil as per direction of Engineer in Charge

Pipe Earthing : Earthing with G.I. earth pipe 4.5 metre long, 40 mm dia including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe etc. with charcoal/ coke and salt as required.

Providing and fixing 6 SWG GI wire : Providing and fixing 6 SWG dia G.I. wire on surface or in recess for loop earthing along with existing surface/ recessed conduit/ submain wiring/ cable as required

Providing and laying in position cement concrete 1:2:4 (1 cement: 2 coarse sand: 4 graded stone aggregate 20 mm nominal size) including form work etc. as required.

YPR ENGINEERING AND SOLUTIONS PRIVATE LIMITED (BID ID -844769)

MPC ELECTRICALS AND ENGINEERS (BID ID -843800)

M/s Vardhman Airport Solutions Private Limited (BID ID -844652)