Provision of Ring main Power Supply System for NAV-AIDS at Dibrugarh Airport

Amount

Supply of 3.5CX 240 sq.mm size of XLPE insulated & PVC sheathed, armoured, aluminium conductor under ground cable of 1.1KV grade as per IS 7098:1988 Part-I with upto date amendments complete as required. (Make: As per AAI list of approved makes)

Supply of 3.5CX 70 sq.mm size of XLPE insulated & PVC sheathed, armoured, aluminium conductor under ground cable of 1.1KV grade as per IS 7098:1988 Part-I with upto date amendments complete as required. (Make: As per AAI list of approved makes)

Supply of 160 mm dia HDPE pipe, lSI marked along with all accessories like socket, couplers etc. conforming to IS 4984-1995, PN6 grade, PE63 etc

Supply of 110 mm dia HDPE pipe, lSI marked along with all accessories like socket, couplers etc. conforming to IS 4984-1995, PN4 grade, PE63 etc

Supply of 63 mm dia HDPE pipe, lSI marked along with all accessories like socket, couplers etc. conforming to IS 4984-1995, PN4 grade, PE63 etc

Laying of HDPE/ DWC pipe of 63 mm dia size complete with fitting and cutting, jointing or including butt joint welding wherever required 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.

Laying of HDPE/ DWC of pipe 110mm dia size complete with fitting and cutting, jointing or including butt joint welding wherever required 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.

Laying of one number HDPE pipe of size 160 mm dia by making Horizontal boring using suitable mechanical arrangement, Sensor operated, Min. 2 Mtr Depth including butt joint welding of HDPE pipe, inserting of HDPE Pipes in bore well hole etc., complete is required.

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/DWC-HDPE 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 in the existing RCC/ HUME/ METAL/DWC-HDPE pipe as required Above 185 sq. mm and upto 400 sq. mm

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KVgrade of size in the existing masonry open duct as required Above 35 sqmm and upto 95 sqmm

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KVgrade of size in the existing masonry open duct as required Above 185 sq. mm and upto 400 sq. mm

Supplying and making straight through joint with heat shrinkable kit including ferrules and other jointing materials for 3.5X 240 sq.mm PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required.

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. 3.5X 70 sq. mm (38mm)

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. 3.5 X 240 sq. mm (62mm)

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.

Supply, Installation, Testing and Commissioning of 415V, 50Hz, AC supply totally enclosed with self standing floor mounting, cubicle type, dust and vermin proof , indoor compartmentalized, Double door , IP65, outdoor type, sloped roof LT panel fabricated from 2mm thick CRCA sheet with Bus bars, earth bar connections including internal wiring with suitable sizes wire/cable, interconnection, duly powder coated, painting etc,. The panel shall have provision for bottom cable entry, including supply and installations of following switchgears, metering instruments and accessories in the LT Panel and as per technical specifications. INCOMMER MCCB a) 160 Amps, Four Pole Moulded Case Circuit Breaker having adjustable Thermal ( 80% - 100% ) with Rotary handle and the Breaking capacity Icu at 415 V, 36 kA - 2 No. b) Set of indication lamps, LED type for R, Y, B, with HRC control fuse- 2 set c) Digital type 3 phase multi function meter - 2 No d)Bus coupler : 160 Amps, Four Pole Moulded Case Circuit Breaker having adjustable Thermal ( 80% - 100% ) and Fixed Magnetic Release with Rotary handle and the Breaking capacity Icu at 415 V, 36 kA - 1 No. with 2 keys systems mechanical interlocking arrangement with two incomers - 1Set. e) One set of 200 Amp. TPN copper bus bars of suitable rupturing capacity OUT GOINGS a) 160 Amps, Four Pole Moulded Case Circuit Breaker having adjustable Thermal ( 80% - 100% ) with Rotary handle and the Breaking capacity Icu at 415 V, 36 kA - 2 No. b) 100 Amps, Four Pole Moulded Case Circuit Breaker having adjustable Thermal ( 80% - 100% ) with Rotary handle and the Breaking capacity Icu at 415 V, 25 kA - 3 No. Note : Each MCCB outgoings shall be provided with ON/OFF/TRIP indication

Earthing with G.I. earth pipe 4.5 metre long, 40 mm dia including accessories, and providing masonry enclosure with cover plate having locking arrangement 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.

Constructing masonry Chamber 120x120x100 cm inside, in brick work in cement mortar 1:4 (1 cement : 4 M sand) , with RCC top slab 1:2:4 mix (1 cement : 2 M sand : 4 graded stone aggregate 20 mm nominal size ), i/c necessary excavation, foundation concrete 1:5:10 (1 cement : 5 M sand : 10 graded stone aggregate 40 mm nominal size ) and inside plastering with cement mortar 1:3 (1 cement : 3M sand) 12 mm thick, finished with a floating coat of neat cement complete as per standard design :

Supply, Installation, Testing and Commissioning of smart RFID based electronic cable marker 220 mm dia, 1.5 m depth range 10 digit hexadecimal ID code as per direction of Engineer-in-charge.

Supply and Fixing of Outdoor type (IP65) Junction Box suityable for termination of 3.5C X 240 sqmm cable( 2 nos- 1 incoming & 1 outgoing) along with suitable Aluminum busbars, suitable support insulators etc.,and MS stand for fixing with excavation, making foundation with PCC completely as per direction of Engineer In Charge.

Providing and laying in position cement concrete of specified grade 1:2:4(1 Cement:2Coarse sand :4 graded stone aggregate 20mm nominal size) at all levels for damaged portion of wall/road/paver block portion etc., complete as required.