Provision of stand by feeder cable for Existing AGL system at B M Airport Ranchi. SH- Supply and laying of feeder cables along with SITC of mandatory Illuminated signage and Taxi way fitting.

Amount

Supply of 2 x 6 sq.mm, 5 KV grade, AFL cable, type-C stranded tinned copper conductor, XLPE insulated etc as required.

Supply of Elevated type LED Omnidirectional Taxiway Edge light fixtures (Blue) foraviation visual aids requirements complete with base plate, breakable coupling, mounting assembly, gasket, BLUE lens complete with LED lamp of 6.6 amps current and all standard accessories and ready for site installation as per sepcifications complete as required.

Supply of following rating completely enclosed rubber covered isolating transformer for use of 6.6 amps series airport lighting circuits having nominal voltage rating of 5KV and all rated for operation on 50 Hz. The transformer shall be water tight and shall be designed for direct burial in the earth or installation in a base confirming to the specifications, complete as required. (a) 15 Watt 6.6/6.6 Amps

Supply of 6 sqmm, 5 KV grade plug and receptacle of type I, class 'B' connector and suitable field attachment with 5 KV grade XLPE insulated, PE sheathed, single core copper conductor screened cable as required.

Supply of 2 x 4 sqmm secondary lead made out of multi stranded copper conductor EPR insulated & PCP sheathed, anti-termite & anti rodent treated 600 V grade cable as specified in particular specifications as required.

Supply 2 pin plug and receptacles suitable for 2X4 Sq. mm copper conductor secondary lead etc as required.

Supply of double wall corrugated high density polyethylene (DWC HDPE pipe) pipe confirming to IS:14930 (part-2) with latest amendment, complete along with 4mm nylon rope with accessories like couplers, bends, tee etc. as specified in particular specifications as required. a) OD 63 mm/ ID 50 mm DWC

Supply of 50 mm dia OD ISI marked HDPE pipe as per IS:4984:2016 of rating PE 80, PN 10 with 4 mm nylon rope complete as specified in particular specifications as required.

Supply of LED Guidance signage board (as per ICAO standard) of various sizes made out of 2 mm thick anodized aluminium frame with suitable angel support, 1.5 mm thick aluminium back symbols of sign should be screen printed on inside of sign face made of self-adhesive 3M film applied on the inside face with required coloring. Sign board shall be uniformly internally illuminated with required LED's i/c all other accessories to achieve uniform illumination level and with suitable converter to operate on 2.8 Amp to 6.6 Amp AC made for water tightness and locking arrangements, mounting legs with frangible coupling & base frame complete as per specifications etc. as required meeting ICAO Annexure 14 Vol.1.

Fabrication & supply of MS transformer housing box of size 350mm x 350 mm x 450 mm (H) made out 6 mm thick MS sheet and top cover 10 mm thick MS sheet as per drawing and all inserts should be suitable for M-10 size bolt shall be of SS including painting of box with one coat of primer & two coats of black enamel paint etc. as per specificaitons as required.

Installation, testing & commissioning of Elevated type approach / runway edge / threshold / end / taxiway light fixtures/ Runway Guard light/Sequential flashing Lights on existing transformer housing boxes and installation of isolating transformers, switching device i/c supply of all materials except isolating transformer etc. complete as required.

Installation of MS transformer housing box of size350mm x 350 mm x 450 mm (H) including excavation of surface in soil etc , providing one nos. 250 mm long 15 mm dia 'B' class GI pipe in the bottom surface for drainage of water etc., cutting & threading of pipe i/c leveling of housing box with suitable instrument etc. and installation of housing box by providing base cement concrete of 1:3:6 of size 550 x 550 x 150 mm thick, and PCC of 1:2:4 all around the housing box of width not less than 100 mm and making suitable pedestal of 300mm & 100 mm thick & making slope to the level with the surface all around the housing box, painting, lettering, numbring etc i/c disposal of excavated material and making good the same as original complete as required.

Installation of guidance signboards of various sizes i/c spply & installation of suitable isolating transformer and providing secondary leads etc. i/c supply of all materials, i/c pedestal upto 1m all around the signage with 1:2:4 (cement, concrete, coarse) of thickness 100mm with neat cement finish plaster, testing and commissioning etc. as required.

Laying of 01 No. 50 mm dia size PN10, PE 80 rating HDPE pipe through trenchless technology (HDD) upto a depth of approx. 2 meter etc as specified in particular specifications as required.

Laying of HDPE Pipe/double wall corrugated high density polyethylene (upto 60 mm dia.) pipe complete along with 4mm thick nylon rope in complete length of pipe with accessories like couplers, bends, tee etc. in the soil for GLF work upto 750 mm deep, back filling & making good the same as per site requirement.

Laying of HDPE Pipe/double wall corrugated high density polyethylene (upto 60 mm dia.) pipe in hard surface / PQC/ bitumin by cutting the surface using jack hammer/ hydrulic excavator cutter etc. upto a depth of 500 mm of finished surface and making the same good and disposal of un-usable materials etc. i/c drawing 4 mm thick nylon rope in the complete length of HDPE pipe suitable for drawing the cable and earth wire in the pipe after re-carpeting etc. complete as required, as per the direction of Engineer-in-Charge.

Laying of one number PVC insulated & PVC sheathed armoured aluminium / copper conductor power cable of grade exceeding .4 KV but not exceeding 11 KV of size not exceeding 25 sq. mm. in the existing cable duct / masonry trench/ RCC/HUME/METAL/HDPE pipes etc. as required. (Feeder & looping cable).

Laying of one number 2 X 4 sq. mm AFL secondary cable along with 1 X 4 sq. mm earth cable of voltage grade not exceeding 1.1 KV in the cable duct / masonry trench / RCC / HUME / METAL / GI / HDPE pipes etc. as required.

Kerf cutting with machine in taxiway/runway/apron of PQC/bituminous surface of depth upto 50 mm and width upto 15 mm for 1 or 2 nos secondary lead by wrapping cotton tape i/c refilling the same by suitable sealing material (PIDILITE) etc complete as required and as per instruction of EIC.

Making connection of 5 KV grade, 6 Sq.mm Copper conductor Screened cable with plug & receptacle i/c connecting continuity wire for screen etc. complete as required.

Making connection of secondary Connectors (male & Female) of size 2 x 4 Sq.mm multi stranded annealed conductor CPE sheathed unshielded cable of 600 V grade on one end.

Earthing with 'B' class G. I. earth pipe 4.5 mtrs. long x 40 mm dia i/c accessories and providing masonry enclosures with cover plate having locking arrangement & watering pipe etc. i/c charcoal/ coke and salt complete as required.

Providing and laying of yellow/ green 4 sqmm earth wire in existing HDPE/ DWC pipe /kerf.

Providing and fixing 6 SWG G.I. wire on surface or in recess for loop earthing as required.

Numbering of Airfield Light Fixtures on the base/ top surface/ RCC foundation of light fixture with good quality of black color enamel paint etc. complete as required.

Construction of masonry Chamber 2m x 1.2 m x 1.5m (deep) inside, in precast cement concrete solid block made from 1:1.5:3 (1 Cement: 1.5 coarse and sand : 3 graded stone aggregate 20 mm nominal size ) in cement mortar 1:4 (1 cement :4 coarse and sand) including necessary excavation, foundation concrete 1:5:10 (1 cement :5 fine sand : 10 graded stone aggregated 40 mm nominla size ) of thickness 100 mm and inside plastering with cement mortar 1:3 (1 cement : 3 coarse sand ) 12 mm thick, finished with a floating coat of neat cement complete as per standard design.

Providing and placing in position 150 mm thick, factory made machine batched & machine precast RCC Rectangular Covers on chambers of various sizes of M-25 grade cement concrete for RCC work, including cost of centering, shuttering, reinforcement of 8 mm dia TMT mm dia bar for hooks etc, i/c cost of cartage, all leads & lift, handling at site etc. all complete as per direction of Engineer-in-Charge. Slab Size - 2.4 mtr x 1.6 mtr. ( Note- It amy be in 03/04 pieces for suitable removable/cleaning).

Techno Electricals (BID ID -925831)