Improvement in Apron lighting by provision of new High Masts at Pune Airport.

Amount

Design, Fabrication & Supply of 20 Mtr two wire rope latching high mast in two sections suitable for 50 m/Sec wind speed along with latching head frame. Latching head frame shall be of hot dip galvanized suitable for 150A/F top diameter with separate compartments for each steel wire ropes and trailing cable, galvanized latching ring with suspension springs to resist vibrations during raising lowering operation, hot dip galvanized lantern carriage. The locking mechanism shall be made of stainless steel grade material. The inner latching ring to be fabricated in two/four sections & joined by bolted flanges with stainless steel bolts & nuts and shall be provided. The inner latching ring shall be suspended by two stainless steel ropes via non-corrosive aluminium alloy pulley and coupled to two stainless steel ropes at compensating plate and suspended from the double drum winch by means of a manufactured steel coupling unit. Raising lowering system comprising of double drum winch, 6mm dia SS 316 7/19 wire rope, trailing cable, connector, integral power tool motor, manual handle, junction box, 20mm dia GI rod lightening finial of length 1.2 m, Luminaries carriage suitable to install 12 nos luminaries in symmetrical arrangement i/c supply of counter weight if required .Supply of foundation bolts maufactured from special steel along with nuts, washers, anchor plate and common template etc as required or as per OEM recommdentions. Design of Mast (duly vetted by IIT/NIT/Govt. Engg college) to be submitted by agency under scope of work etc. as directed by Engineer In Charge.

Design & Construction of shallow foundation with M25 grade reinforced cement concrete or as per OEM recommdentions which ever is higher for the high mast mentioned in item No. 1, considering the safe soil bearing capacity at site as 10 T/sqmtr at 2 meter with all materials and labour etc as required as directed by Engineer In Charge.Foundation design(duly vetted by IIT/NIT/Govt. Engg college) to be submitted by agency under scope of work.

Assembling, Erection, testing and commissioning of high mast with the help of suitable tools and plants, wiring of luminaires with all wiring materials like PVC insulated PVC sheathed flexible cable of suitable copper conductor cores of 2.5 sq.mm, and all labour etc as required as directed by Engineer In Charge.

Design, fabrication, assembly, wiring and supply, erection, testing and commissioning of Outdoor Double Door cubicle type compartmentalised as per Form 4B floor mounting, free standing, dust tight,weather and vermin proof, totally enclosed ( IP 55 ingress protection), provided with rain guard on top, front operated switchboards conforming to IEC-61439-1&2 suitable for use at 433 volts, 3 phase 4 wire 50 Hz system suitable for a symmetrical fault level of 36 kA at 433 volts, fabricated from 2 mm outer thick CRCA sheets with hinged, gasketted (metal based neoprene) and lockable doors having structural reinforcement with suitable angle/channel/T/flat sections including 3 mm thick gland plates on top/bottom including lifting hooks and earth bus of required size for prospective fault level at that panel with 2 nos. earthing terminals, coating, required and as below. The incoming and outgoing feeders shall be accommodated in a modular arrangement, detachable gland plates, adequate size cable alley, Sign writing, Painting, Earthing, Numbering, Danger plate, including PVC insulated copper FRLS wires of minimum 1.5 sq.mm & 2.5sq.mm for CT's etc. paint finish of approved shade over metal surface cleaned and treated with seven tank process complete with interconnections and including fixing of panel in ground using MS channel stand of adequate size and strength properly grouted in ground ensuring enough space above the ground for cable termination from bottom etc. as per specifications, as complete as required as directed by Engineer In Charge. Incomer- (a) 1 nos 250A FP 36kA MCCB (Thermal Magnetic release with O/L, S/C & E/F protection) Ics=100%Icu i/c extended rotary handle, spreader link, (b) R,Y,B indication lamp- 1 Set (c) ON, OFF, TRIP indication lamp- 01 Set, (d) 2A SP 10kA control MCB (e) Digital multifunction meter with suitable ratio CTs of class 1.0 accuracy - 01 set. Outgoing: (a) 100A- 02 nos & 63 A- 04 Nos (Thermal Magnetic release with O/L, S/C & E/F protection) Ics=100%Icu i/c extended rotary handle, spreader link (b) ON, OFF, TRIP indication lamp- 06 Set (c) All outgoings shall have RYB indication LED lamp with 2A SP MCB control . Busbar : TPN Aluminium alloy bus bars for high conductivity - 400A Rating, Isc=36kA for 1 sec

Supply of 350 W LED floodlight of High Pressure die cast aluminium housing, Minimum 110 Lumens /watt, life of LED 50,000 burning hours, IP66 protection, THD<10%, CRI min 70, PF 0.95, or more, prewired fixture complete with all accessories, suitable for high mast and operation on 240 V 50 Hz, AC supply etc. as required as directed by Engineer In Charge.

Supply & fixing of integral LED aviation Twin Dome Aviation Obstruction light on 20 m high mast confirming to ICAO Annexe 14 (min 10 cds intensity), comprising of aluminium housing powder coated yellow-golden RAL-1004, with red transparent polycarbonate IP 65 enclosure etc suitable for high mast and operation on 240 V 50 Hz, AC supply etc. as directed by Engineer In Charge.

Installation, testing and commissioning of pre-wired, LED fixture on high mast pole lantern carriage etc as required as directed by Engineer In Charge.

Supply of following sizes of XLPE insulated FRLSH PVC sheathed, armoured, aluminium conductor cable of 1.1KV grade as per IS 7098: 1988 part-I as amended up to date complete etc., as required as directed by Engineer In Charge.

a) 4C x 10 Sq.mm

b) 4C x 25 Sq.mm

c) 3.5C x 35 Sq.mm

d) 3.5 C x 185 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 RCC/ HUME/METAL/HDPE pipe as required as directed by Engineer In Charge.

a) Upto 35 Sq.mm

b) Above 95 sq. mm and upto 185 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 cable tray as required as directed by Engineer In Charge. Above 95 sq. mm and upto 185 sq. mm (clamped with 25/40 x 3mm MS flat clamp)

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 as directed by Engineer In Charge.

a) Upto 35 Sq.mm (clamped with 1mm thick saddle)

b) Above 95 sq. mm and upto 185 sq. mm (clamped with 25/40x3mm MS flat clamp)

Supplying and laying of IS marked 63 mm OD HDPE Pipe of PE 63 PN 6 along with all accessories like socket, bend etc., confirming to IS 4984 & IS 16205 complete with fitting and cutting, jointing etc., direct in ground (0.75 mtr below the ground level) including excavation and refilling the trench but excluding sand cushioning and protective covering etc., as required as directed by Engineer In Charge.

Supplying and laying of IS marked 63 mm OD DWC HDPE Pipe of PE 63 PN 6 along with all accessories like socket, bend etc., confirming to IS 4984 & IS 16205 complete with fitting and cutting, jointing etc., direct in ground (0.75 mtr below the ground level) including excavation and refilling the trench but excluding sand cushioning and protective covering etc., as required as directed by Engineer In Charge.

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 as directed by Engineer In Charge.

a) 4C x 25 Sq.mm

b) 3.5C x 35 Sq.mm

c) 3.5 C x 185 Sq.mm

Earthing with G.I. earth plate 600 mm X 600 mm X 6 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required as directed by Engineer In Charge.

Providing and fixing 25 mm X 5 mm GI strip on surface or in recess for connections etc. as required as directed by Engineer In Charge.

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

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 as directed by Engineer in Charge.

Excavation of hard rock/RCC/Cement concrete including getting out the excavated soil and disposal of excavated soil as directed by Engineer-In-Charge.

Carrying out health check of existing high masts which includes checks of Winch, gearbox, oil, chain, torque limitor, wire ropes, trailing cable, connecting bolts etc & submission of health check up report. Replacement of minor items eg. bolts, guthkha,SG-DG clamps,chain etc. shall be part of scope as directed by Engineer-In-Charge.

SITC of following High mast accessories as required as directed by Engineer In Charge.

Wire rope: 6MM dia. SS 316 7/19 construction.

Double drum double gear winch having 750KG capacity suitable to existing high masts capacity (SWL)

Integral Power tool 3ph, 2HP, 50Hz foot mounted motor suitable for reverse forward motion.

Dismantling of existing 20 mtr high mast in apron area with all accessories including minor civil work such as degrouting of foundation structures etc. with all out going power and control copper cables, terminations, interconnections, earthing etc.The job also includes shifting of the dismantalled material from existing site and handing over to AAI store as per instruction of Engineer in-charge.

INDOMAX MULTI TRADES (BID ID -912323)

Variant Infratech Private Limited (BID ID -912776)

ENGINEERING SOLUTIONS (BID ID -913000)

SARASWAT ENGINEERING SERVICES (BID ID -912913)