Provision of High Mast for Apron at Purnea Airport

Design & Supply of 20 metre height high mast tower, two or three sectioned, hot dip galvanised, suitable for wind velocity as per IS 875 part-3 along with its all accessories & LED Type Low Intensity aviation obstruction light as per ICAO standard etc : viz head frame, steel wire rope, double or tripple drum winch, suitable steel wire rope, Galvanised Circular lantern carriage arrangement( 0-360 Degree ) (suitable for minimum 250 W LED Flood Light luminaire - 6 Nos ), lightning finial, integral power tool installed inside the base compartment for its operation, trailing cable, supply of foundation bolts, with nuts, washers, anchor plates and templates etc. as reqiured. Make :- As per AAI Preferred Make list.

Design & Supply of 16 metre height high mast tower, two or three sectioned, hot dip galvanised, suitable for wind velocity as per IS 875 part-3 along with its all accessories & LED Type Low Intensity aviation obstruction light etc : viz head frame, steel wire rope,raising lowering system double or tripple drum winch, suitable steel wire rope, Galvanised Circular lantern carriage arrangement( 0-360 Degree ) (suitable for 250 W LED Flood Light luminaire - approx 6 Nos ), lightning finial, integral power tool installed inside the base compartment for its operation, trailing cable, supply of foundation bolts, with nuts, washers, anchor plates and templates etc. as reqiured.Make :- As per AAI Preferred Make list.

Design & Supply of 10 metre height high mast tower, two or three sectioned, hot dip galvanised, suitable for wind velocity as per IS 875 part-3 along with its all accessories & LED Type Low Intensity aviation obstruction light etc : viz head frame, steel wire rope,raising lowering system double or tripple drum winch, suitable steel wire rope, Galvanised Circular lantern carriage arrangement( 0-360 Degree ) (suitable for 250 W LED Flood Light luminaire - approx 4 Nos ), lightning finial, integral power tool installed inside the base compartment for its operation, trailing cable, supply of foundation bolts, with nuts, washers, anchor plates and templates etc. as reqiured.Make :- As per AAI Preferred Make list.

Supply of LED type Flood lighting Luminaire fitting having power consumption approx minimum 250 Watt (Bi-Symmetric/ Wide Beam) and lumen output minimum 110 lumens/watt, IP- 65, single piece integral high pressure die cast aluminium housing, complete with electronic power driver, all its accessories suitable for 230V, 50 Hz power supply. The LED fitting should be meeting the technical specification as specified.

Design and casting & Making of suitable shallow foundation with M-20 concrete for the high mast in the item no.-1,2 & 3 considering the safe soil bearing capacity at site as 09T/Sq.Mtr at 2 metres depth. Foundation design shall be vetted from IITs/NITs.

Erection, testing and commissioning of 20 mtrs High mast system with all its accessories, lighting finial and necessary cables, wirings etc. as required and as per specification on the existing foundation.

Erection, testing and commissioning of 16 mtrs High mast system with all its accessories, lighting finial and necessary cables, wirings etc. as required and as per specification on the existing foundation.

Erection, testing and commissioning of 10 mtrs High mast system with all its accessories, lighting finial and necessary cables, wirings etc. as required and as per specification on the existing foundation.

Installation , Testing and Commisioning of LED fittings to meet the ICAO Lux requirement of Apron, making Suitable arrangement and Configuration of Light fittings as per the direction of Engineer In-charge including wiring with suitable size wire & interconnection of Fittings with feeder Pillar/Junction Box complete as required .

Supply, Installation, Testing and Commissioning of outdoor cubicle LT TTA Type panel as per IEC 61439, IP42, suitable for 415V+/-10%, 3 Phase, 4 wire 50 Hz AC supply system, fabricated in compartmentalized modular design from CRCA sheet steel of 2 mm thick for frame work and covers, 3 mm thick for gland plates i/c cleaning & finishing complete with 7 tank process for powder coating in approved shade, having TPN Aluminium alloy bus bars with 100% size neutral bus as that of phase bus, supported with SMC bus bar supports, with short circuit withstand capacity as per design subject to minimum 25 kA for 1 sec, bottom base channel of MS section not less than 75 mm x 40 mm, fabrication shall be done in transportable sections, entire panel shall have a common Copper earth bus bar of size as per IS 3043 subject to minimum 32 mm x 5 mm at the rear with 2 Nos. earth stud, solid/ flexible copper connections from main earth bus bar to switchgears with required size of Cooper conductors/ bus bars and control wiring with 2.5 sqmm FRLS PVC insulated copper conductor cable, cable alleys, cable gland plates in two halves, including control and interlocking of incomers, bus coupler and providing following switchgears/ accessories as per specifications.Incomer 2 Nos. 100A, 4P MCCB, Microprocessor based release (Ics = Icu = 25kA) with inbuilt O/L , S/C & E/F protection as per specification and each incommer shall be provided with following accessories. 1 Set of phase indicating LED lamps with 2 amp back up MCB.1 No. 96 x 96 sqmm Digital MFM meter and 3 nos. Cast resin CTs of ratio 100/5A , Class 0.5 accuracy and 10 VA burden, suitable to measure voltage, Ampere, Frequency, Power Factor, KVA, KW, KVAH, KWH, MDI with RS-485 port.1 Set of ON/ OFF/TRIP Indicating LED Lamps With 2 Amp MCB.Buscoupler 4P aluminium bus bars of 200A capacity with heat shrinkable coloured sleeves including SMC bus bars supports at required intervals complete for cross section, size supports & their spacing etc. for withstanding fault level of 25 KA for 1 sec.Outgoings 6 Nos. 63A 4P MCCB with built in thermal magnetic release with adjustable setting (Ics = Icu = minimum 25 KA) For each busbar section-1 Set Surge protection device Type 2 ( Class C), 4 Module, MOV type suitable for 8/ 20µs surge,Voltage Protection level Up < 1.5kV. SPD shall be with built in fuse and plugable type. For connecting SPD minimum 10sqmm copper wire must be used. The SPD shall be compliant and tested from KEMA KEUR / VDE / NABL tested as per relevant IEC.

SITC of Stand mounted Outdoor feeder pillar, made of 14 SWG CRCA sheet (IP -55 ) with 02 two number 32 A TPN MCB Incomer , Single Dial time switch, 22A TP contactor for the Automatic switching of Luminaire, power tool control with 02 Number 09 Amps Contactors and raise lower push button complete as required.

Supply of 3.5C x 50 sqmm XLPE insulated PVC sheathed aluminium conductor armoured power cable of l.lkVgrade conforming to IS:7098 (part-I) with upto date amendment complete as required.

Supply of 63 mm dia (OD-63 mm & ID-51 mm nominal) DWC/ HDPE Pipe ISI marked along with all accessories like socket, bend, couplers etc. conforming to IS 14930, Part II complete with fitting and cutting, jointing etc

Laying of DWC/HDPE of size 63 mm dia 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.

Laying of DWC/ HDPE of size 63 mm dia dia in concrete / bituminous road / paver block complete including trenching (50 cm deep) and refilling the trench and making good the same,complete as required.

Supply and laying of 100 mm dia GI pipe, Class 'B' for crossing of roads & pathways i/c cutting, jointing with coupler etc. as required in ground including excavation and refilling the trench and making good the same,complete as required.

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing HDPE pipe RCC/ HUME/ METAL/Duct pipe as required. Above 35 sq. mm and upto 95 sq. mm.

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size direct in ground including excavation and refilling the trench etc as required, but excluding sand cushioning and protective covering. Above 35 sq. mm and upto 95 sq. mm

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing masonry open duct as required. Above 35 sq. mm and upto 95 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. Above 35 sq. mm and upto 95 sq. mm (clamped with 25x3mm MS flat clamp).

Supplying and making straight through joint with heat shrinkable kit including ferrules and other jointing materials for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required. 3½ X 50 sq. mm.

Supplying and making end termination with brass compression gland and aluminium lugs for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required) 3.5C x 50 sqmm.

Earthing with GI earth pipe 4.5 mtr long, 40mm dia. including accessories and providing masonary enclosure with cover plate having locking arrangment and watering pipe etc. with charcoal/ coke and salt as required.

Providing and fixing 25 mm X 5 mm G.I. strip in 40 mm dia G.I. pipe from earth electrode including connection with G.I. nut, bolt, spring, washer excavation and re-filling etc. as required.

Supplying and laying 25 mm X 5 mm G.I strip at 0.50 metre below ground as strip earth electrode, including connection/terminating with G.I. nut, bolt, spring, washer etc. as required. (Jointing shall be done by overlapping and with 2 sets of G.I. nut bolt & spring washer spaced at 50mm).

Providing and fixing 25 mm X 5 mm G.I. strip on surface or in recess for connections etc. as required.

Numbering of street light on the front surface with good quality of black color enamel paint with yellow background etc. complete as required.

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