Replacement of LT panels at basement of T1 and T4 at Chennai Airport.

Amount

Fabrication, Supply, installation, Testing & Commissioning of Indoor wall mounted/floor mounted ,Extendable, TTA type LT panel made up of CRCA sheet steel, IP42, Cubicle type, including providing and fixing suitable size Aluminium Bus bar with all accessories suitable for opeation at 433 V, 3 Phase, 4 wire, 50HZ, A.C Power supply System,compartmentalized and i/c providing and fixing following switch gears and accessories therin complete with connections,interconnections with suitable size of AL strips /bars/copper wires i/c powder coated with approved colour,complete with all accessories, interconnection, earthing, painting coating, earth studs cable Entry provision etc., as required as per technical specification.

Incomer 1 No. ACB, 800 Amps, 36 kA, MDO 4 Pole with microprocessor release with overload, short circuit & earth fault protection, Manual wound spring charged closing mechanism, horizontal draw out type, cast resin CT including connections and and with multifunction meter confirming to IS 13947-2 as amended up to date etc as required.

Bus Bars TPN aluminium extensible type main bus bars of minimum of 800 Amps. capacity with heat shrinkable coloured sleeves and i/c DMC/SMC bus bars supports at required intervals complete for cross section, size supports & their spacing etc. for withstanding fault level of 50kA capacity for 1 sec.

Outgoing a. 4 Nos. MCCB, 160 Amps, 4 Pole, 25 kA with adjustable setting , microprocessor release with O/C, S/C & E/F protection, with rotary handle and cast resin CT including connections etc as required. b. 13 Nos. MCCB, 100 Amps, 4 Pole, 25 kA with adjustable setting , microprocessor release with O/C, S/C & E/F protection, with rotary handle and cast resin CT including connections etc as required. c.30 Nos. MCCB, 63 Amps, 4 Pole, 25 kA with adjustable setting , microprocessor release with O/C, S/C & E/F protection, with rotary handle and cast resin CT including connections etc as required.

Fabrication, Supply, installation, Testing & Commissioning of Indoor wall mounted/floor mounted,Extendable, TTA type LT panel made up of CRCA sheet steel,IP42, Cubicle type, including providing and fixing suitable size Aluminium Bus bar with all accessories suitable for opeation at 433 V, 3 Phase, 4 wire, 50HZ, A.C Power supply System,compartmentalized and i/c providing and fixing following switch gears and accessories therin complete with connections,interconnections with suitable size of AL strips /bars/copper wires i/c powder coated with approved colour, complete with all accessories, interconnection, earthing, painting coating, earth studs cable Entry provision etc., as required as per technical specification.

Incomer 1 No. ACB, 800 Amps, 36 kA, MDO 4 Pole with microprocessor release with overload, short circuit & earth fault protection, Manual wound spring charged closing mechanism, horizontal draw out type, cast resin CT including connections and and with multifunction meter confirming to IS 13947-2 as amended up to date etc as required.

Bus Bars TPN aluminium extensible type main bus bars of minimum of 800 Amps. capacity with heat shrinkable coloured sleeves and i/c DMC/SMC bus bars supports at required intervals complete for cross section, size supports & their spacing etc. for withstanding fault level of 50kA capacity for 1 sec.

Outgoing a. 4 Nos. MCCB, 160 Amps, 4 Pole, 25 kA with adjustable setting , microprocessor release with O/C, S/C & E/F protection, with rotary handle and cast resin CT including connections etc as required.. b. 14 Nos. MCCB, 100 Amps, 4 Pole, 25 kA with adjustable setting , microprocessor release with O/C, S/C & E/F protection, with rotary handle and cast resin CT including connections etc as required. c. 3 Nos. MCCB, 63 Amps, 4 Pole, 25 kA with adjustable setting , microprocessor release with O/C, S/C & E/F protection, with rotary handle and cast resin CT including connections etc as required.

Fabrication, Supply, installation, Testing & Commissioning of Indoor wall mounted/floor mounted,Extendable, TTA type LT panel made up of CRCA sheet steel,IP42, Cubicle type, including providing and fixing suitable size Aluminium Bus bar with all accessories suitable for opeation at 433 V, 3 Phase, 4 wire, 50HZ, A.C Power supply System,compartmentalized and i/c providing and fixing following switch gears and accessories therin complete with connections,interconnections with suitable size of AL strips /bars/copper wires i/c powder coated with approved colour, complete with all accessories, interconnection, earthing, painting coating, earth studs cable Entry provision etc., as required as per technical specification.

Incomer 1 No. ACB, 800 Amps, 36 kA, MDO 4 Pole with microprocessor release with overload, short circuit & earth fault protection, Manual wound spring charged closing mechanism, horizontal draw out type, cast resin CT including connections and and with multifunction meter confirming to IS 13947-2 as amended up to date etc as required.

Bus Bar TPN aluminium extensible type main bus bars of minimum of 800 Amps. capacity with heat shrinkable coloured sleeves and i/c DMC/SMC bus bars supports at required intervals complete for cross section, size supports & their spacing etc. for withstanding fault level of 50kA capacity for 1 sec.

Outgoing a. 5 Nos. MCCB, 160 Amps, 4 Pole, 25 kA with adjustable setting , microprocessor release with O/C, S/C & E/F protection, with rotary handle and cast resin CT including connections etc as required. b. 4 Nos. MCCB, 100 Amps, 4 Pole, 25 kA with adjustable setting , microprocessor release with O/C, S/C & E/F protection, with rotary handle and cast resin CT including connections etc as required. c. 14 Nos. MCCB, 63 Amps, 4 Pole, 25 kA with adjustable setting , microprocessor release with O/C, S/C & E/F protection, with rotary handle and cast resin CT including connections etc as required.

Fabrication, Supply, installation, Testing & Commissioning of Indoor wall mounted/floor mounted, Extendable, PTTA type LT panel made up of CRCA sheet steel,IP42, Cubicle type, including providing and fixing suitable size Aluminium Bus bar with all accessories suitable for opeation at 433 V, 3 Phase, 4 wire, 50HZ, A.C Power supply System,compartmentalized and i/c providing and fixing following switch gears and accessories therin complete with connections,interconnections with suitable size of AL strips /bars/copper wires i/c powder coated with approved colour, complete with all accessories, interconnection, earthing, painting coating, earth studs cable Entry provision etc., as required as per technical specification.

Bus Bars TPN aluminium extensible type main bus bars of minimum of 200 Amps. capacity with heat shrinkable coloured sleeves and i/c DMC/SMC bus bars supports at required intervals complete for cross section, size supports & their spacing etc. for withstanding fault level of 50kA capacity for 1 sec.

Outgoing 18 Nos. MCCB, 63 Amps, 4 Pole, 25 kA with adjustable setting , microprocessor release with O/C, S/C & E/F protection, with rotary handle and cast resin CT including connections etc as required.

Fabrication, Supply, installation, Testing & Commissioning of Indoor wall mounted/floor mounted,Extenable, PTTA type LT panel made up of CRCA sheet steel,IP42, Cubicle type, including providing and fixing suitable size Aluminium Bus bar with all accessories suitable for opeation at 433 V, 3 Phase, 4 wire, 50HZ, A.C Power supply System,compartmentalized and i/c providing and fixing following switch gears and accessories therin complete with connections,interconnections with suitable size of AL strips /bars/copper wires i/c powder coated with approved colour,complete with all accessories, interconnection, earthing, painting coating, earth studs cable Entry provision etc., as required as per technical specification.

a. 63Amps , 25 KA, 4P On Load Change over Switch with Rotary Handle and center OFF Position and Indication Lamps - 13 Nos. b.200Amps , 25 KA, On Load Change over Switch with Rotary Handle and center OFF Position and Indication Lamps - 7 Nos.

Fabrication, Supply, Installation, Testing & Commissioning of outdoor,PTTA type MV feeder pillar panel with double door arrangement, made up to 2mm CRCA sheet steel, door dust tight vermin proof,totally enclosed, IP65, Free standing floor mounting cubicle type including providing and fixing suitable size aluminium bus bar with all accessories and earthing, grouting , providing pedastal, cable entry provision etc. suitable for operation at 433V 3 phase 4 wire 50 Hzs AC power supply system as required i/c dismantling the old panel and handed over to AAI store and providing required brick pedastal etc.. complete and comprising of following

a. 200 Amps, Change over Switch 200 A, 35 KA, 4 pole MCCB with thermal magnetic releases as incomer with R, Y, B, ON, OFF, TRIP indication lamps, resin cast CT's with multifuction meter - 1 set as incomer. b. 63A, 25KA, 4P MCCB with thermal magnetic releases as incomer with ON, OFF, TRIP indication lamps, resin cast CT's with digital meter as outgoing - 6 sets. as outgoing. c. TPN aluminium extensible type main bus bars of minimum of 200 Amps. capacity with heat shrinkable coloured sleeves and i/c DMC/SMC bus bars supports at required intervals complete for cross section, size supports & their spacing etc. for withstanding fault level of 50kA capacity for 1 sec. d. TP contact MNX80, L&T or equivalent contractor with 24 hours. Digital timer along with 2A, SP MCB and control wiring for street light / Hi-mast lighting control - 1 set with all necessary accessories etc. Complete as required

Supply and fixing of nominal 2.0mm ± 10% thick, width 1mtr insulated Mat conforming to IS 15652: 2006 i/c removal of exisitng mats from the surface i/c proper cleaning, fixing with suitable adhesive/ chemibond, Puresin, water proofing compound and sealing material as per service recommendation of Annexure 'A' 'Clause C' of IS: 15652 and suitable for Class - A up to 3.3KV etc. complete as required.

Supplying and installing following size of perforated painted with powder coating M.S. cable trays with perforation not more than 17.5%, in convenient sections, joined with connectors, suspended from the ceiling with M.S. suspenders including bolts & nuts, painting suspenders etc as required.

a. 400 mm width X 100mm depth X 2.0 mm thickness

b. 500 mm width X 100 mm depth X 2.0 mm thickness

Supply, installation, testing and commissioning of 800Amps, 50KA for 1 sec, Indoor IP 54 Sandwich Type Bus Trunking complying to IEC 61439-1&6 including fabrication, for use on 3 phase 4 wire, 415 Volts, 50Hz AC Supply with metal clad enclosure made of 1.6mm thick GI Sheet duly powder coated in convenient setions complete with 4 Nos. of Aluminium Bus Bars with Class F Insulation, necessay joints, elbow joints & expansion joints and bends, adopter box and Copper Flexible for joints & expansion joints and bends, adopter box and copper felxible joints, with integral earth, suspenders, angle iorn bracket, fasterners, connecting to earthing system as required. a) 800 A 50KA ISC for 1 sec

Fabrication, supply & installation of Bus bar connection Junction box of Suitable Size and shall be made up to 2mm CRCA sheet steel with suitable front covering with screws with 8 set bus bars of minimum of 100 Amps. capacity with heat shrinkable coloured sleeves and i/c DMC/SMC bus bars supports at required intervals complete for cross section, size supports & their spacing etc for connecting 3.5 x 35 sq.mm PVC insulated armoured cable.(incoming cable 8nos and out going cables 8 nos) etc.. as required

Supply of following size of 1.1kv grade multistrand aluminium conductor XLPE insulated and PVC sheathed armoured cable as per IS : 7098 (part1)1988 with up to date amendments.

a. 3.5 x 35 Sq.mm

b. 3.5 x 70 Sq.mm

c. 3.5 x 120 Sq.mm

d. 3.5 x 185 Sq.mm

e.. 3.5 x 240 Sq.mm

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.

a.3½ X 35 sq. mm

b.3½ X 70 sq. mm

c.3½ X 120 sq. mm

d.3½ X 185 sq. mm

e. 3.5 x 240 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

(a) 4 X 25 sq. mm (28m)

(b)4 X 35 sq. mm (32mm)

(c) 3½ X 70 sq. mm (38mm)

(d) 3½ X 95 sq. mm (45mm)

(e) 3½ X 120 sq. mm (45mm)

(f) 3½ X 185 sq. mm (57mm)

(g) 3½ X 240 sq. mm (62mm)

(h) 3½ X 300 sq. mm (70mm)

Fabrication of Panel MS frame size 4450 mm x 750 mm x 100 mm, dismantling the existing panel with base and fixing of new base frame including connection and disconnection of all incoming and outgoing cables etc. as required.

Earthing with copper earth plate 600mm X 600 mm X 3 mm thick including accessories and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 meter long etc.. With charcoal coke and salt as required.

Providing and fixing 25 mm X 3mm Copper 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.

Providing and fixing 25 mm x 3 mm copper strip on existing tray or surface or in recess for connections etc. as required.

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.

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

b) Above 35 Sq. mm and up to 95 Sq. mm (clamped with 25 X3 mm MS flat clamp)

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

d)Above 185 Sq. mm and up to 400 Sq. mm (clamped with 40X3 mm MS flat clamp)

Dismantling of 5 Nos. indoor type LT panel including disconnection of cables, dismantling of connected cable trays etc. and Handed over to AAI Store as per the direction of Engineer - in - Charge.

vk sam engineering

SHANTI ENTERPRISES ELECTRICALS PRIVATE LIMITED

Metropolitan Infrabuild Development And Services Pvt Ltd

CHENNAI ENGINEERING SERVICES