Extension of runway at 24 beginning, expansion of apron suitable for C category of aircraft and other associated works at S.V. Airport, Raipur. SH Electricals works for CAT I Approach and Runway Lighting system.

Amount

Supplying and laying of following size HDPE pipe (PN8, PE 80 grade) ISI marked along with all accessories like socket, bend, couplers etc. conforming to IS:14930, Part II complete with fitting and cutting, jointing etc. direct in ground (75 cm below ground level) including excavation and refilling the trench but excluding sand cushioning and protective covering etc., complete as required.

(a) 50 mm dia (OD-50 mm)

Supply of following size 5KV grade PVC/XLPE insulated & PVC sheathed stranded copper conductor single core Airport lighting cable confirming IS:1554 (Part-II)/IS 7098 (Part-II) with upto date amendment and confirming to particular specification etc. as required.

(a) 1C x 6 sqmm.

Laying of one number PVC/ XLPE insulated and PVC sheathed / XLPE power cable of 5 KV grade of following size in the existing RCC/ HUME/ METAL pipe/ HDPE Pipe as required.

(a) 1C x 6 sqmm.

(b) 1C x 16 sqmm.

Supply of following type 5KV grade 50 HZ, series type Isolating transformer encapsulated in polyster resin finally moulded in neoprene rubber with primary and secondary connection as specified in particular specifications.

(a) 20A/6.6A of 150 W

(b) 20A/6.6A of 200 W

(c) 6.6A/6.6A of 200 W

Supply of following 5KV grade plug & receptacle (essna connector) of type-1 class B connector & suitable field attachment suitable for following size 5KV grade PVC insulated PVC sheathed single core stranded copper conductor cable confirming to IS:1554 (Part-II) with upto date amendment.

(a) 16 Sq.mm

Making field connections by crimping of 6/16 sq.mm. plug & receptable with existing 6/16 sq.mm. single core PVC Cu. Conductor cable including filling the gap with water sealent material applying PVC insulation tape etc. complete as required.

ITC of bi-directional & Omni-directional elevated high intensity/ medium intensity halogen/LED type runway edge light fitting, runway threshhold light, turning pad light and taxi light on the existing tranformer (C.I.) housing boxes including installation of transformer, lens, lamps gasket, nut bolts, lens holding clamp and other accessories i/c alignment, levelling, isolating transformer connection, earth connection etc. all complete as required.

ITC of inset type fixtures after adjusting the existing cut out suitable for fixing the fixture in the rigid pavement area of Rwy/RESA using DOBEFIL-60 or equivalent sealant and hardener i/c connection with secondary cable, transformer etc, complete as required.

ITC of elevated type Approach light fitting on the existing tranformer housing boxes including installation of transformer, lens, lamp gasket, nut bolts, lens holding clamp and other accessories i/c alignment, levelling, isolating transformer connection, earth connection etc. complete as required.

Supply of C.I. Isolating Transformer housing box, water tight round type,metal container of outside size 330mm height 450mm made of 10mm thick cast iron moulding suitable to receive a light fitting base plate on the top and underground housing associated with transformer power cable and having a clear hole centre at one side surface centre 75mm above bottom surface suitable to receive one /two nos. of 50mm dia "B" class GI pipe and including check nuts as required and another hole at 175mm from the bottom of the CI Box to receive one no. 15mm dia "B" class GI pipe and check nut as required.The box should have two SS earth bolts of M10 x 30mm tapped inside near the hole (4" away from the hole centre) and having a drain hole at the bottom suitably tapped to receive 15mm dia "B" class GI pipe and having clear opening of 220 mm at the top surface and 6 nos. M10 tapped hole at the hole centre 260 mm to receive fitting base plate and bolts complete as required.

(a) Double hole type

Installation of C.I. housing boxes with a base concrete of 1:3:6 of size 630 x 630 x 100 mm thick all round concrete of 1:2:4, 150mm thick, the top sloped with 1:2:4 cement concrete including providing and fixing 250 mm long 15mm dia "B" class GI pipe with check nut for drainage of water including excavation of side shoulder and refilling (wherever the transformers boxes are to be installed in a line the same has to be aligned in such a way that the centre fall in a straight line) etc. complete as required.

Supply and installation of C.I. box round type metal container of outside dia 330 mm, 150 mm height made from 10 mm thick cast iron moulding, 15 mm thick cast iron moulding for top surface having clear opening of 220 mm to at top surface, having 6 nos. M-10 tapped hole at the hole Centre 260 mm to receive elevated light fixtures. One hole at 100 mm from top shall be provided for fixing of 25 mm G.I. pipe and 2 nos. tapped holes shall be provided on opposite faces of box for receiving M-10 bolts. The box shall be installed by core cutting of existing RWY pavement and using DOBEFIL-60 or equivalent sealant and hardener for fixing including drilling of pavement base upto a depth of 400 mm i/c providing and fixing 15 mm GI pipe in the bottom tapped hole of the box for draining out condensed water complete as required.

Cleaning of the existing C.I. Transformer housing box which is installed in the runway pavement, cleaning of G.I. pipes from C.I. Box to earth area by manual/ mechanical means, applying one coat of metal primer on the inside surface of C.I. box and after its drying, painting with black colour synthetic enamel paint complete as required as per direction of Engineer-In- Charge.

Supply and fixing M-S plate with 15 mm thickness, 330 mm dia having 6 nos. M-10 tapped hole at the hole centre of 260 mm on the C.I. box i/c providing 6 nos. M-10 x 25 mm SS bolts with plane and spring washers. The plate shall be chemically treated and painted with one coat of metal primer and 2 coats of black synthetic enamel paint complete as required.

Numbering/nomenclature of the existing Rwy/Taxiway/Turning Pad/Isolation Bay/Apron Edge Light fittings after providing a round background of 4" dia with Aviation Yellow synthetic enamel paint and numbering with Black synthetic enamel paint on it complete as required as per the direction of Engineer-in-charge.

Installation of 04 nos. PAPI units (01 set) including civil work such as excavation & casting of cement concrete (1:2:4) foundation of required size as per OEM guidelines for PAPI unit & check stick points, suitable MS frame, SS foundation nut & bolts etc. complete job as per the direction of Engineer-in-charge.

Supply of 2x2.5 Sq.mm copper conductor PVC insulated and PVC sheathed, voltage grade - 650 volt secondary lead used for inset light fitting.

Excavation of the cable trenches in hard rock not exceeding 1.5 meter in width, and lift upto 1.5 meter, including getting out the excavated soil and disposal of excavated soil as directed within a lead of 50 meter.

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, laying and fixing following dia G.I. pipe (Medium Class (B)) in ground complete with G.I. fittings including trenching (75 cm deep)and re-filling etc as required

(a) 50 mm dia.

(b) 15 mm dia.

Supply and fixing of 300 mm long G.I. pipe (Heavy Class (C)) in the existing C.I. Boxes with proper check nuts including threading and cutting etc. complete as required.

(a) 50 mm dia.

(b) 15 mm dia.

Earthing with G.I. Earth Pipe 4.5 mtr. long 40 mm dia ‘B’ class i/c accessories (with charcoal /coke and salt) and providing C. I. box round type metal container of outside dia 330 mm, 450 mm height made from 10 mm thick cast iron moulding all round except in the top surface which is 15 mm thick and having clear opening of 220 mm at top and bottom surface, having 6 nos. M-10 tapped hole at the hole Centre 260 mm to receive C.I./ M.S. base plate with SS bolts as required. One hole at 150 mm from top shall be provided for fixing of 15 mm G.I. pipe. This box will act as the enclosure for earth electrode. This box will be mounted on base concrete of 1:3:6 of size 630x630x100 mm thick and all round concrete of 1:2:4, 150 mm width upto the C.I. box top. The top of the box shall not protrude more than 25 mm from the existing ground level and the top elevation of the box shall be evenly sloped all round using 1:2:4 cement concrete, complete as required.

Providing and laying earth connection from earth electrode with 6 SWG dia G.I. Wire in 15 mm dia G.I. pipe from earth electrode including connection with G.I. thimble excavation and re-filling as required.

Supply, installation, testing, commissioning of Guidance signage board (IP 65 protection) complying ICAO standard of various sizes fabricated from anodized aluminium profile structure & 2 mm thick aluminium sheet, 4mm thick non-specular surface polycarbonate signage sheet, symbols of sign shall be made of self-adhesive 3M film applied on face of polycarbonate sheet and All reflector sheet for light reflection if required. Board shall be illuminated with linear LED's & driver(s) i/c all other accessories, suitable converter to operate on 2.8 Amp to 6.6 Amp AC constant current as incoming supply , mounting legs with breakable coupling & base frame, crimping & molding secondary leads with connector kit of OEM approved , supply & laying of PVC coated GI flexible pipe with couplers for protecting secondary leads, providing cement concrete foundation of suitable size & depth for each unit, providing pedestal up to 1.5mtr all around the signage with 1:2:4 CC of 150mm thick & finish with neat cement plaster, connections / interconnections with isolating transformers complete as required and confirming to tenders technical specifications etc. complete as required.

NOTE: - Supply of Isolating transformers, ESNA connections, secondary cables & transformer housing boxes are not covered in this item, the same shall be measured and paid under separate items.

Installation of 50mm dia Aluminium approach light fitting holding pipe including making necessary threading, cutting & drilling for fixing of approach fittings at the top and other end to base plate suitable to withstand wind speed of 39m/s as per IS:875 etc complete as required as per site condition.

Providing professional services for taking levels of existing surfaces, distance coded pin-pointing for installation of fixtures using latest technology based equipment’s as per the approved drawings and direction of Engineer-In-Charge.

Providing and laying graded granular material (Moorum) in trenches, plinth, side of foundation etc. in layers not exceeding 20 cm in depth, consolidation each deposited layer by ramming and watering including all leads and lifts as per site requirement etc. complete as required upto the satisfaction of Engineer-In-Charge . (Rate inclusive of royality charges of Moorum and payment to be made for compacted quantity only)

Excavation for foundation in soft soil including dressing of sides and ramming of bottoms, lift upto 1.5 m including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 metres.

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

Manish Electricals

SAURABH ENTERPRISES

Techno Electricals