PROVISION OF POWER SUPPLY FOR ILS, AWS, RUNWAY SIGN BOARDS AND MISC WORKS AT AF STN CHANDIGARH

Amount

Excavation in trenches in soft/ loose soil not exceeding 1.5 meter wide and not exceeding 1.5 meter in depth for foundation of pole, laying of cable etc not exceeding 10 sqm on plan and getting out complete all as specified and directed.

Returning and filling in excavated soil including spreading levelling, watering and well ramming in layers each not exceeding 25mm thick in soft/loose soil all as specified and directed.

Removing excavated surplus soil to a distance not exceeding 50 mtrs and depositing where directed at a level not exceeding 1.5mtrs above the starting points complete all as specified and directed.

M&L for Sand cushioning for underground cable 8 cm below and 15 cm above the cable with clean dry river sand in trenches including spreading, leveling etc, complete all as directed by Engineer-in-Charge. Note: Punned down thickness 18 cm shall be measured and paid.

Supply and laying bricks common burnt sub class ‘B’ designation 75, complete all as directed by Engineer-in-Charge.

Supply and laying in trench/ passing through GI tubing Low Tension,1100V grade, underground XLPE insulated, armoured, heavy duty, electric cable with stranded aluminum conductor, cross sectional area 50Sqmm, 3.5 Core complete all as specified & directed by Engineer-in Charge.

Supply and laying in trench/ passing through GI tubing Low Tension,1100V grade, underground XLPE insulated, armoured, heavy duty, electric cable with stranded aluminum conductor, cross sectional area 16Sqmm, 2 Core complete all as specified & directed by Engineer-in Charge.

Supply, fixing, connecting, testing and commissioning of outdoor LT cubical panel (CPRI approved) of size 1000x800x600mm, factory made, compartment type, dust and vermin proof (IP-55) outdoor type suitable for 1100 volts grade, 3 phase, 4 wire supply, floor mounted fabricated out 3.15 mm thick CRCA Sheet duly powder coated and grouted with 50mm X 50mm X 6mm angle iron frame, 120 cm long angle iron legs on PCC foundation with cement concrete PCC 1:2:4 and front & rear double door type inclusive locking arrangement & two coat of super enameled first grade quality over red oxide primer with provision of all incoming/outgoing cable entries along with hanging provision ,suitable size of double compression type cable gland for incoming & outgoing cable marking of cable with marked MCCB of Bldg all as specified and comprising the following:

Supply and laying GI tubing 40mm bore GI tubing light grade with all fitting laid in trenches, fixed to wall etc complete all as specified & directed by Engineer-in Charge.

M&L for earthing complete with galvanised steel earth plate electrode 600mmx600mmx6mm thick buried directly in ground (earth pit not less than 2.25mtr deep below ground level) with top edge of the plate not less than 1.5mtr below normal ground level connected to galvanised Iron strip of size 25x4mm by means of bolts, nut check nuts and washers earth strip protected by galvanized steel pipe 40 mm bore (light grade) connected to test point all as shown in electrical plate No. 3 of SSR - 2009 Part I and including necessary excavation and earth work in any type of soil, 25 mm bore medium grade GI pipe for watering, funnel with wire mesh, PCC (1:3:6), type C-1 chamber, pit cover of precast RCC (1;2:4), type B-1 reinforced XPM of weight not less than 4 Kg/Sqm and MS frame taking out unserviceable earthing etc, complete all as specified & directed by Engineer-in Charge.

Supply and fixing sheet metal enclosure for Incoming MCCB and outgoing MCBs factory made double door, VTPN, 415 Volts, 4 ways with 200 Amp bus bar with IP 43 protection complete in all aspects all as specified and directed. Make : Legrand/HPL/Havells/Hager /ABB

Supply and fixing DB sheet metal enclosure double door for MCBs, company made, SPN 240 Volts 4 ways with IP 42 protection complete all as specified and directed by Engineer-in Charge. Make: Legrand/HPL/Havells/Hager /ABB

Supply and fixing MCCB 63 amps AC 415 V 10 KA conforms to IS/IEC:60497-2 Thermal and fixed magnetic setting Ics=100% of Icu complete all as specified. Make: Legrand/HPL/Havells/Hager /ABB

Supply and fixing MCB SP 240 Volts 40 Amps "B" curve type complete all as specified and directed by Engineer-in Charge. Make: Legrand/ HPL/ Havells/ Hager / ABB

Supply and fixing MCB SP 240 Volts 6 Amps to 32 Amps 'B' curve type complete all as specified and directed by Engineer-in Charge. Make: Legrand/ HPL/ Havells/ Hager /ABB

Supply and fixing MCB SPN 240 Volts 32 AMPs 'C' Curve type complete all as specified and directed. Make: Legrand/ HPL/ Havells/ Hager /ABB

M&L for earthing complete with galvanised steel earth plate electrode 600mmx600mmx6mm thick buried directly in ground (earth pit not less than 2.25mtr deep below ground level) with top edge of the plate not less than 1.5mtr below normal ground level connected to galvanised earth lead wire 4.0mm dia by means of bolts, nut check nuts and washers earth wire protected by galvanized steel pipe 40 mm bore (light grade) connected to test point all as shown in electrical plate No. 3 of SSR - 2009 Part I and including necessary excavation and earth work in any type of soil, 25 mm bore medium grade GI pipe for watering, funnel with wire mesh, PCC (1:3:6), type C-1 chamber, pit cover of precast RCC (1;2:4), type B-1 reinforced XPM of weight not less than 4 Kg/ Sqm and MS frame taking out unserviceable earthing etc, complete all as specified.

Supply and fixing of Isolation transformer 45 Watt per board for connection in Transformer box to Runway Sign boards all as specified and direcetd. Make: EFLA Cat No. KR531 or equivalent in performance as approved by GE.

Supply and fixing for secondary Air field lightining cables as per IS:1554 (Part-II) of 5 KV grade in copper stranded cable with two runs of single core 4.00 Sqmm complete all as specified and directed by Engineer-in-charge. Make: Nexans or equivalent in performance as approved by GE. Note :- (i) 2 runs of 1 core 4 Sq.mm cable considered as 1 Running Metre.

Supply and fixing of convertor DC to AC (12/24 Volt input DC and output AC 220 Volt) all as specified and directed by Engr-in-charge.

Supply and fixing of secondary connector female and male end for runway lighting for two connections all as specified and directed.Make: EFLA or equivalent in performance as approved by GE.

Supply and laying in trenches for cable protection HDPE conduit pipe 40mm dia Pressure Rating/PN Class- PN 6 complete all as specified and directed by Engineer-in-charge. Make: VPL/ DUTRON/ FINOLEX/ SFMC/ PRINCE/ SUPREME

R D Bansal

KUMAR AND COMPANY