Providing of Runway Guard Light (RGL) and Turning Pad Lighting at Donyi Polo Airport Itanagar Arunachal Pradesh

Supply of unidirectional LED inset fitting with green filters for Turnpad light (straight line & Curve) of turnpad marking applications suitable for use in 6.6A airfield lighting circuits normally supplied from 15/45W isolating transformer and complete with lens support mechanism, lens clamping mechanism, gaskets, one cable lead of two pin secondary, including shallow base other accessories etc. complete as required meeting the requirement of ICAO Annex -14 and Aerodrome Design Manual part - IV amended upto date.

Installation, testing and commissioning of inset type Turning Pad fittings including shallow box & all accessories in the bitumen/ concrete surface using core cutting machine and filling the groove with Dobefil 60 compound & Hardener 758 as required, installation and aligning of inset fitting using suitable jig, closing of shallow base with sealant material, connecting with secondary leads, providing Insulation tape etc. as required.

Supply of elevated type high intensity each guard light fitting with 02 Nos. LED luminaires in , wig-wag unidirectional yellow with plastic cover tube, sun shield/visor, T bar with breakable coupling, base plate with 6 nos of M-10 stainless steel bolts, spring washers and all other accessories, suitable flasher unit, lenses & filters and with all standard hardware and accessories ready for site installation and as per ICAO requirement suitable for operation with CCR of suitable rating complete as required. (Make: As per list of preferred make meeting ICAO requirement for ISO CANDALA as specified in Annex- 14.)

Installation, testing and commissioning of Runway Guard Light fittings on the existing transformer housing boxes including installation of isolating transformers, lens, filters, lamps and other accessories, alignment, levelling and making secondary lead connections to transformer & fittings, making earth connections etc. complete as required.

Supply of CI isolating transformer housing box,water tight round type, metal container of outside dia 330mm, height 450mm made of 10mm thick cast iron moulding all round, except the top surface which is 15 mm thick, cast iron moulding suitable to receive light fitting base plate on the top and having a clear hole on one side surface with centre 75 mm above bottom to receive 50mm dia 'B' class GI pipes with check nuts as required. The box should have 2 nos SS earth bolts M10x30mm tapped inside near the hole (4” away from the hole centre) and having a drain hole at the bottom tapped to receive 15 mm dia B class GI pipe and having clear opening of 220 mm at the top surface and 6nos M10 tapped hole as per specifications as required. Single hole

Installation of transformer housing box for elevated type runway guard light fittings in concrete runway/taxiway shoulder with the top of the box at 20-25mm above the FFL by core cutting the runway/taxiway shoulder with suitable machine tool for the required size for fixing the housing box (cutting dimension 430-440mm dia x 550-560mm depth approx) with a base concrete of 1:2:4 of size 430-450 mm x 100 mm thick, all round concrete of 1 : 2 : 4 of minimum 50 mm thick, alignment of box, fixing the box by using quick setting sealant compound such as plasticised sulphur cement / dobfil compound etc. making good the runway/taxiway to the original shape and strength, etc complete as required.

Installation of CI housing box of size 330 mm dia and depth up to 450 mm as per drawing i/c excavation of hard rock/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 concrete foundation of ratio 1:3:6 ( 1 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.

Supply of microprocessor based 4 KW CCR with 5 step intensity suitable for use with LED Elevated Runway Guard Light /Turn pad lights.

ITC of 4 KW Indoor Type Microprocesor based Air Cooled Constant Current Regulator (CCR)

Supply of 5 KV grade PVC insulated, PVC sheathed, single core, unarmoured, stranded copper conductor, anti-termite and anti-rodent treated UG cable confirming to IS 1554-Part-II as amended up to date and as per enclosed specifications for use in Airfield Lighting of the following size: 1C x 6 sq mm