ADDITION/ALTERATION TO ELECTRIC PANELS AND HIGH MAST LIGHTS AT SHP AND ACV HANGAR AND REPLACEMENT OF CONVENTIONAL LIGHTS FITTINGS TO LED AT CERTAIN LOCATIONS AT ICGS AND CGRA MANDAPAM UNDER GE (I) (CG) CHENNAI

Amount

Supply and lay cable XLPE insulated screened PVC bedded, galvanised steel strip or wire armored, electric power cables (heavy duty 1100 Volts grade with stranded aluminium conductor of size 35 Sqmm 3.5 Core complete all as specified and directed.

Excavation in trenches n.exc 1.5M wide and n.exc 1.5m in depth for taking out U/G cable, foundation of pole/stay as in soft/loose soft complete all as specified and directed.

Returning filling in soft/loose soil including spreading, leveling, watering and well ramming in layers n.exc 25cm complete all as specified and directed.

Removing excavated material n.exc 50m and depositing where directed at a level n.exc 1.5m above the starting point complete all as specified and directed.

M&L Sand cushioning 8cm below and 15cm above the U/G cable for protection of cable with approved sand complete all as specified and directed. Note: Punned thickness of 18cm will be considered for payment

Supply & laying sub class, ‘B’ bricks in layers perpendicular to the axis of U/G cable for protection of cable complete all as specified and directed.

M&L for laying 40 mm bore GI pipe, light grade with all fittings, in crossing road/path and in pole up to junction box including necessary clamping etc. complete all as specified and directed.

Material and labour for cutting the existing bituminuous road /cement concrete surface of 150 mm thick to the width not exceeding 0.50 metre for laying of GI pipe lines and making good the disturbed area with PCC 1:2:4 Type B-1 using 20 mm graded aggregate including necessary form work complete all as specified and as directed.

S & F in repairs Wall mounted Alternating current plug & socket distribution box (Industrial socket) 3 pole, neutral and earth, IP 44 protection of metal body three phase 415 Volts, 50 Hz with provision for one 63 Amps MCB TPN including MCB TPN 63A necessary fixing arrangements complete all as specified and directed.

S & F in repairs SP & N Sheet Metal Enclosure with 2 Pole and Earth Metal Plug & Socket for incorporating SPN MCB complete including One MCB, DP, 20 Amps, 240 Volts complete all as specified and as directed.

a) LED/Neon indicator bulb in RYB Colour. b) Digital Voltmeter 0-500 volts, and Digital Ammeter 0-500 Amps of suitable size - 01 Set c) 3 phase over current and Earth fault relay range with RS 485 -01 No Incoming:- d) MCCB 4 Pole, 415 V, Microprocessor release type, 160 A with breaking capacity 36 KA - 01 Nos Outgoing:- e) MCCB 4 Pole, 415 V, Thermal Magnetic release type, 40 A with breaking capacity 25 KA - 02 Nos f) MCCB 4 Pole, 415 V, Thermal Magnetic release type, 40 A with breaking capacity 25 KA - 05 Nos g) MCCB 4 Pole, 415 V, Thermal Magnetic release type, 32 A with breaking capacity 25 KA - 01 Nos h) MCB 4 Pole, 415 V, 20 A, C curve with breaking capacity 25 KA - 02 Nos j) MCB 2 Pole, 415 V, 40 A, C curve with breaking capacity 16 KA - 01 Nos

a) LED/Neon indicator bulb in RYB Colour. b) Digital Voltmeter 0-500 volts, and Digital Ammeter 0-500 Amps of suitable size - 01 Set Incoming:- c) MCCB 4 Pole, 415 V, Thermal Magnetic release type, 40 A with breaking capacity 25 KA - 01 Nos Outgoing:- d) MCB 4 Pole, 415 V, 20 A, C curve with breaking capacity 25 KA - 03 Nos e) MCB 2 Pole, 415 V, 40 A, C curve with breaking capacity 16 KA - 01 Nos

M & L for floor mounted enclosure made of 3.15 mm thick CRCA sheet along with RAL coated painting, with provision of 02 Nos of compartments for industrial plug socket enclosure one for 3phase socket and another for single phase plug socket, with hinged door with locking arrangement complete including proper stand arrangement for mounting of the enclosure complete all as specified and as directed.

M & L for floor mounted enclosure made of 3.15 mm thick CRCA sheet along with RAL coated painting, with provision of 01 Nos of compartments for incoming supply meter, with hinged door with locking arrangement with provision of transparent glass arrangement for meter reading complete including proper stand arrangement for mounting of the enclosure all as specified and as directed by Engr in Charge.

Incoming:- a) MCCB 4 Pole, 415 V, Thermal Magnetic release type, 40 A with breaking capacity 25 KA - 01 Nos Outgoing:- b) MCCB 4 Pole, 415 V, Thermal Magnetic release type, 20 A with breaking capacity 25 KA - 02 Nos c) MCB 2 Pole, 415 V, 40 A, C curve with breaking capacity 16 KA - 02 Nos d) DOL starter for single phase sumbersible motor of 1HP - 2 Nos

Supply and fix iron rope 6 mm dia 7/19 construction size and length inclding old unserviceable rope complete all as specified and directed by Engr-in-charge.

Dismantling of high mast rope motor from pully and replace old and burnt copper winding and replace on the same position with necessary greasing including testing complete all as specified and directed by Engr-in-charge.

Servicing of High Mast Gear system for Tool motor, double drum winch with toping up gear oil, pulley assembly, replacement of oil seal, link chain, necessary greasing to gear system & chain link complete all as directed.

Supply and fix 5 core PVC insulated and FR PVC Round Sheathed, Copper Conductor (flexible) industrial cable, 1100 Volts, incuding removing old wires all as directed.

Painting of Highmast ring with choke box and other pipings with two coat of enamel paint complete all as specified and directed.

M&L Earthing complete with GI plate electrode 600×600× 6mm thick, buried directly and preferably vertically in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected with GI strip of 32x6mm size by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No. 3 connected to earthing with DBs including earthwork and excavation in any type of soil, PCC 1:3:6 type C1 chamber, cover slab with angular iron for holding, 20mm dia GI medium grade pipe for watering, and water funnel with wire mesh, 40mm dia light grade GI pipe for protection of strip and testing on completion complete all as specfied and as directed.

Taking down carefully point wiring (light, fan, socket or power) complete (fitting such as switches, ceiling roses, pendants, regulators, sockets, etc can be measured separately) removing the material from wall/ceiling etc, making good the disturbed surfaces and taken as credit complete all as specified and as directed.

M & L for Point Wiring complete with 1100 Volts, FRLS Grade, 1.5 Sq.mm, Single Core, PVC Insulated, Unsheathed, Multistranded Copper Conductor Cable, confirming to IS - 694 drawn through existing PVC Conduit concealed in Walls / Roofs / Floors / Ceiling etc. and Modular Type Pressed Metal Flush Box made out of 1mm thick GI Sheet of suitable size and including Modular type Base / Grid Frame & Cover Frame for housing Modular Type Switches, Sockets and Regulators etc. concealed in walls, including 1100 Volts, FRLS Grade, 1.5 Sq.mm, Single Core, PVC Insulated, Unsheathed, Multistranded Copper Conductor cable as earth continuity conductor with colour coding and connecting to Earth Dolly for One Light / Fan Point / Bell Point controlled by One Switch complete all as specified and as directed.

S&F Ceiling rose 3 phase PVC/Polycarbonate isolated body size35x50 mm all as specified and as directed by Engineer-in-Charge.

S&F Switch modular type single pole one way ,5 Amp 240 Volts all as specified and as directed by Engineer-in-Charge.

M & L for sub main wiring with PVC insulated, 1100 volts grade single core multistranded copper conductor cable conforming to IS specifications, 2 runs of 2.5 sqmm including one run of 2.5 sqmm single core multistranded copper conductor PVC insulated cables as earth continuity conductor with colour code drawn through and including one run of 25 mm dia rigid PVC conduit and conduit accessories or casing capings incl accessories fixed on wall/ceiling etc., or concealed in wall and connecting to common earth dolly for contionous connection from DB box to building security lights all as specified and directed.

M & L for sub main wiring with PVC insulated, 1100 volts grade single core multistranded copper conductor cable conforming to IS specifications, 2 runs of 4 sqmm including one run of 4.0 sqmm single core multistranded copper conductor PVC insulated cables as earth continuity conductor with colour code drawn through and including one run of 25 mm dia rigid PVC conduit and conduit accessories or casing capings incl accessories fixed on wall/ceiling etc., connecting to common earth dolly for all as specified and directed.

S & F MCB, SP, 6 to 20 Amps, 10 KA, AC, 230 Volts, 50 Hz, B Curve complete including taking down unserviceable isolator all as specified and as directed.

S & F MCB SPN 240 volts, 6 to 32 amps, C series, breaking capacity 10kA complete all as specified and directed.

S & F DB for MCB SPN 8 way Double door type fixed inside the wall complete all as specified and directed.

S & F DB for MCB SPN 4 way Double door type fixed inside the wall complete all as specified and directed.

S&F GI pipe 40 mm bore , medium grade, duly bend to shape 1.2 m long mounting bracket, fixing clamps bolts, nuts of suitable size etc complete (Replacement of U/S brackets only ) all as specified and as directed by Engineer-in-Charge.

Dismantling and taking down fluorescent tube Building security light fittings & post top lamp for replacement with LED Fittings [Note : LED Fittings paid seperately corresponding item] all as specified and as directed by Engineer-in-Charge.

S&F Cable Junction of size 93 x 93 x 62 Boxes IP 66/69 “halogen free and weather proof” for 2.5 sq.mm cable for outdoor installation ( with same company metric knockouts for cable entry and terminal) complete all as specified and directed. Make : Hensel Model : KF 0200 U

M&L Earthing complete with GI plate electrode 600x600x6mm thick, buried directly and preferably vertically in ground (earth pit not less than 2.25 mtr deep below ground level) with top edge of the plate not less than 1.5 mtr below normal ground level, connected with GI earth wire 4 mm dia by means of bolts, nuts, check nuts and washers of GI or steel all as shown in electrical plate No 3, connected to earthing with DBs all as specified including earth work and excavation in any type of soil, PCC 1:3:6 type C1 chamber, cover slab with angular iron for holding, 20mm dia GI medium grade pipe for watering , and water funnel with wire mesh, 40mm dia light grade GI pipe for protection of strip and testing on completion complete all as specified and as directed.

SIVA MARUTHI ENTERPRISES (BID ID -3492697)

LAKSHMI ELECTRICAL ENTERPRISES (BID ID -3494910)

LEKSHMI ENGINEERS (BID ID -3494831)

NAVEEN ENTERPRIESES (BID ID -3501758)

Standard enterprises (BID ID -3502148)