REPAIR/ REPLACEMENT OF SUB MAIN WIRING, DBS AT NORTH LOOP AREA AT AF STN NAL

Amount

Taking down U/S existing sub main wiring copper/ aluminium conductor including taking out PVC or steel conduit/ casing and capping etc. complete all as specified and as diretced.

Supply and laying sub main wiring complete with 05 runs ( 3 Nos for three phase, Neutral & Earthing colour code) of single core 6 sqmm fire retardant low smoke and halogen (FRLSH) PVC insulated copper conductor cable multistranded and sheathed LT 1100 V grade drawn through and including heavy grade steel metallic conduit 20 mm dia (minimum and over as suitable) ISI marked and accessories surface fixed on wall /floor etc all as specified. Note:- 05 runs of cable and 01 run of steel conduit shall be measured as one unit for measurement purposes.

Supply and laying sub main wiring complete with 03 runs ( Phase, Neutral & Earthing colour code) of single core 4 sqmm fire retardant low smoke and halogen (FRLSH) PVC insulated copper conductor cable multistranded and sheathed LT 1100 V grade drawn through and including steel metallic conduit 20mm dia(minimum) ISI marked and accessories surface fixed on wall /floor etc all as specified. Note:- 03 runs of cable and 01 run of steel conduit shall be measured as one unit for measurement purposes.

Supply and laying sub main wiring complete with 03 runs ( Phase, Neutral & Earthing colour code) of single core 2.5 sqmm fire retardant low smoke and halogen (FRLSH) PVC insulated copper conductor cable multistranded and sheathed LT 1100 V grade drawn through and including steel metallic conduit 20mm dia(minimum) ISI marked and accessories surface fixed on wall /floor etc all as specified. Note:- 03 runs of cable and 01 run of steel conduit shall be measured as one unit for measurement purposes.

Supply & fixing in repair LED 1x20 watt FLAME PROOF tube light fixture luminaire including integral reflector made of diecast alluminium alloy LM6 , with electronic ballast, bipin holders, .connector block, etc., and all accessories pre-wired and including connecting up with suitable size copper conductor twin core cable including taking out existing unserviceable normal or flame proof light complete all as specified and directed.

S & F in repair round high bay light LED flameproof well glass in die cast AL housing with heat resisitant toughened glass suitable for Gas/Vapour group of IIA & IIB and zone 1 & 2 of 60 watt capacity including taking out existing unserviceable lights.

Supply and fix in repair Flame proof - weather proof CMRI approved MCB socket & plug with 16 AMP rotary switch combined 16 A, 250V (2P+Earth) complete all as specified and as directed.

Supply and fix in repair Flame proof - weather proof CMRI approved 3 phase MCB socket & plug 32 Amp with rotary switch combined 500V(4P+Earth)complete all as specified and as directed.

Supply & fix in repair Flame proof Sheet metal enclsoure SPN 6 way for fixing MCBs 240 volt including MCB DP 32 A- 1 No as incomer & MCBs SP 6 to 16 Amps-4 Nos as outgoing complete all as specified and as directed.

Supply & fix in repair Flame proof Sheet metal enclsoure SPN 4 way for fixing MCBs 240 volt including MCB DP 20 A- 1 No as incomer & MCBs SP 6 to 16 Amps-2 Nos as outgoing complete all as specified and as directed .

Supply & fix in repair Flame proof Sheet metal enclsoure TPN 4 way for fixing MCBs 240 volt including MCB TPN 63 A- 1 No as incomer & MCBs SP 6 to 16 Amps-12 Nos as outgoing complete all as specified and as directed .

Supply & Fix in repair Switch flame proof rotary type with termination box in LM6, 16A, single pole 250V complete all as specified and as directed.

Supply & Fix in repair 3 way flame proof junction box suitable for carrying 4/6 sqmm 3 phase/single phase sub main wiring complete all as specified and as directed by Engr-In-Charge.

Supply & Fix in repair 4 way flame proof junction box suitable for carrying 4/6 sqmm 3 phase/single phase sub main wiring complete all as specified and as directed by Engr-In-Charge.

S&F as in repairs LED 150 W flood light fitting with lense, high luminous efficacy,protected to IP 66, toughened glass efficient high out put emitter LED for better distribution having surge protection 10 KV, sealed driver applicable for area lighting including electrical connection .

M&L for earthing complete with GI earth plate electrode 600 mm x 600 mm x 6 mm thick, burried 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 1.50 Mtr below ground level. The earth plate to be connetced with earth lead of 4 mm dia galvanised iron or steel wire all as shown in para no 4 the earthing test point all as specified and directd.The GI earthing strip to be protected by galvanised iron pipe 15mm bore (medium grade) up to up to test point. Earthing shall be include with providing funnel with 20mm bore galvanised iron pipe (light grade), wire mesh, charcoal or coke and common salt in alternate layer of 15cm (compacted thickness) up to 90 cm all around earth plate further filled with 60 cm thick Tibba sand and 2nd layer with 30 cm of Magnesium sulphate powder (compact thickness ) , 3rd layer with tibba sand up to the ground level. Earthing shall also be include for providing concrete earth pit in PCC (1:3:6) type C-1 (with 20mm graded aggregate), 50mm thick precast RCC (1:2:4) cover slab (re-inforced with 8mm dia TMT bar @ 15 cm C/C bothways and suitable handle made of 10mm dia) including necessary earth work including taking out old unsv earthing from existing location with complete all as specified and directed.

M&L for disconnecting from the transformer /panel board, cutting off worn out aluminium cable end and Supply, laying and testing in replacement cable XLPE Insulated ,screened, PVC bedded,galvanized steel strip or wire armoured,electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 70 sq mm 3.5 core including taking out existing cable

All as above per item No 17.00 here-in-before but size 50 sqmm, 3.5 core.

All as above per item No 17.00 here-in-before but size 35 sqmm, 4 core.

All as above per item No 17.00 here-in-before but size 25 sqmm, 4 core.

All as above per item No 17.00 here-in-before but size 16 sqmm, 4 core.

All as above per item No 17.00 here-in-before but size 10 sqmm, 2 core.

Excavation in trenches not exc. 1.5 m wide and not exc 1.5 mtr deep in soft loose soil for laying / taking up/ taking down of cables and getting out and levelling of bottom suface to required level all as specified and directed by Engineer- in- Charge.

Returning filling in Including spreading, levelling. Watering and well ramming soil in layers not exceeding 25 cm thick all as specified and directed.

Removing excavated material (ie soil) from site to a distance n. exc 50 mtrs away and depositing where directed at a level n. exc. 1.5 mtr above the starting point all as specified and directed by Engineer-in-Charge.

Material and labour for tiba sand for filling in trenches 8 cm below the UG Cable and 15 cm above the underground cables for cushioning of cables etc and consolidation, complete all as specified. Note :- Punned thickness shall be measured for payment.

S&F sub class B bricks old size having minimum compressive strength 75 Kg/ Sqcm laid in trenches for cable protection etc complete all as directed by Engineer-in-Charge.

M&L for bus bar chamber cubical inclined top out door type made out of 3 mm thick MS sheet of size minimum size 600 x 450 x 450 mm, MS angle section 35 x 35mm x 5mm frame with front and back openable double door with provision of locking arrangement dust & varmin proof , gasket, TPN busbar shall be insulated with colour coated heat shrinkable sleeves and shall be mounted on proper insulator, gland, welding hinges of dust proof duly powder coated inside and outside of bus bar chamber with one coat of red oxide primer and two coat of synthetic enamel grey paint including aluminum busbar fixed horizontally in chamber of capacity 400 Amps for phases and 400 amps neutral for incoming and out going.(The gap between each bus bar should be minimum 100mm ) The panel shall be suitable for 415 volts, 50 Hz, 3 phase 4 wire system (suitable for 01 incomer and 06 outgoing ) and shall have MCCB 250 Amp 4 pole 36 KA as incommer, including taking out existing unsv bus bar chamber of any size with complete all as specified and directed by Engineer-in-charge Note :- (i) Earth work,1:2:4 PCC work for foundation and MS works shall be included in the unit qouted rate . (ii) Cable gland of brass for different size of cable as per requirement for incoming and outgoing cable

Supply and fixing in replacement LT Panel Outdoor type floor mounted free standing dust and vermin proof panel / DB with IP-65 protection, CPRI approved, factory fabricated out of 40mm x 40mm x 4mm angle iron, 3.15 mm thick CRCA sheet for entire outer panel with single door and locking arrangements & 2 mm for inner compartment with 40mmx4mm flat Iron, including Separate cubicle chamber with cable alley not less than 300mm width for installation/connecting switchgears with the main bus bar using copper conductor flexible wires suitable for switch rating and connecting outgoing terminals of the switchgear with terminal blocks of appropriate current rating using flexible copper wires duly terminated by cable lugs and thimbles, MS surfaces epoxy based powder coated, shade as approved over 2 coats of red oxide primer, surfaces pre-treated in seven tank process for de-greasing, de-rusting & Phosphated, panel having front and rear opening and provision for installation of separate cable alleys, busbar chamber and switchgear compartments, Provision in cable alleys for bottom cable entry for incoming & outgoing cables, affixing LT danger plate at suitable intervals / locations including erection, testing and commissioning incluiding cable gland for incoming and outgoing cables,complete all as specified and directed including fixtures and fitments mentioned below :-

Outgoing:- Separate cubical chamber with a cable alley not less than 300 mm width for installation/connecting the following switch gear with the main bus bar using aluminium bus link or copper conductor flexible wires suitable to the switch rating and connecting outgoing terminals of the switch gear with terminal blocks of appropriate current rating using flexible copper wires duly terminated by cable lugs and thimbles. (i) MCCB, 4 pole 100 A,16 KA - 03 Nos (ii) MCCB, 4 Pole 63A, 16KA-01 Nos

Note:- (i) A clear space of 200mm shall be kept from floor level for switchgear compartment. (ii) Each compartment shall be numbered / lettered as approved by GE. (ii) LT panel shall be fixed in PCC foundation as per manufacturer recommendation and minimum height clearance of 45 cm from ground level. (iii) the cost of PCC foundation shall deemed to be included in unit quoted rate. (iv) Contractor shall submit the GA drawings of LT Panel for approval of GE before placing the order (v) Panel accessories items Make-Siemens/ L&T/ ABB/ Schneider/ Legrand/ Crompton Greaves and authorized partners of above makes complying with IEC 61439 standard and make of panel UNIVERSAL SWITCHGEAR/ SHALAB/or equivalent

Earthing complete with galvanized steel earth plate electrode of size 60cmx60cmx6 mm thick, buried directly in ground (earth pit not less than 3.5 m below normal ground level) with top edge of earth plate not less than 2.5m below normal ground level, connected to galvanized iron strip 32X6 mm by means of electric arc welding of galvanised iron or steel as shown in electrical plate No 3 of SSR Part I, connected to earth test point and the equipment on the other side complete all as specified, including testing and commissioning complete all as directed. Note : (a) The unit rates quoted against this item shall be deemed to include the cost of excavation and earth work in any type of soil, common salt & charcoal dust in alternate layers, PCC 1:3:6 as in pit, precast RCC 1:2:4 type B-1 with necessary reinforcement as in cover & frame for pit, funnel, watering pipe 20 mm bore GI pipe light grade, protection pipe 40 mm bore GI pipe light grade etc. (b) The quoted rates shall also deemed to include the cost of earth test point and earth strip/GI earthing and protection pipe upto 7.5 meter beyond the earth plates electrode.

Supply and fixing in repair industrial type Siren hooter horizontal double mounting siren, single phase 220/250V, 6000RPM, 50Cycle audiable diametric range 3km of 0.5HP armature with complete testing and commissioning all as specified and as directed.

Supply and fixing in repair EVE ER14250, 3.6V, 1200mAh 1/2AA lithium battery suitable for relay of Schneider RMU with complete all as specified and directed .

M&L in replacement Direct-on-Line Starter in steel sheet enclosure type, motor rating AC-3 Duty, 415 V, 3-Phase, relay maximum range 13-22 Amp, MK1 DOL suitable for 5 HP to 7.5 HP pump sets complete all as specified and directed.

All as per Srl item No 36.00 here-in-before but Single Phase Starter suitable for 3HP Monoblock pump set/ Submersible pump relay maximum range 13-22 Amp, type-MHO (Coil operated) complete all as specified and directed.

Boring of holes under road, pavement, hard standing without damage nearby electric cable, water pipe line etc including HDPE pipe of 40 mm dia suitable for 0.4 mpa working pressure and sealing the end of pipe complete all as specified and directed.

M& L for GI pipe light grade 40 mm dia for cable protection in trenches including fittings including taking out existing unsv GI pipe with complete all as specified and directed

S&F in replacement moulded case circuit breakers(MCCB) 250 Amps, 4 Pole, 36 KA, thermal magnetic with rotary handle and spreader compete all as specified and as directed.

S&F in replacement moulded case circuit breakers(MCCB) 200 Amps, adjustible type, 4 Pole, 36 kA, thermal magnetic with rotary handle and spreader compete all as specified and as directed.

S&F in replacement moulded case circuit breakers(MCCB) 160 Amps, adjustible type, 4 Pole, 36 kA, thermal magnetic with rotary handle and spreader compete all as specified and as directed.

S&F in replacement moulded case circuit breakers(MCCB)100 Amps, adjustible type, 4 Pole, 16 kA, thermal magnetic with rotary handle and spreader compete all as specified and as directed.

M/s Rohit Construction Co. (BID ID -3350215)