COMPREHENSIVE REPAIR /MAINT OF TRANSFORMER PANEL AND OTHER CONNECTED ITEMAT 217 TRANSIT CAMP PALCHAN

Amount

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n. exc 10 sq m on plan and n exc 1.5 m in depth and getting out hard/densesoil complete all as specified and as directed by Engineer-in-Charge.

Returning, fillling in trenches, spreading, levelling, watering and well ramming in layers not exceeding 25cm thick complete all as specified and as directed by Engineer-in-Charge.

Removing excavated material/ surplus soil and depositing where directed at a distence not exceeding 50mtr at a level not exceeding 1.5 mtr from strting point complete all as specified and as directed by Engineer-in-Charge.

Supply lay/spread in trenches, river sand, clean, including spreading, levelling, punning for laying /cushioning of cables complete all as specified and as directed by Engineer-in-Charge.

Supply lay in trenches fly ash bricks, old size sub class “B” for cable protection complete all as specified and as directed by Engineer-in-Charge.

Supply, lay in trenches, floors ,fix on wall/pole, passing through pipes etc., LT UG cable, 1100 volts grade, PVC/ XLPE insulated, with multistranded aluminium conductors, armoured with galvanised steel wire or tape, of following nominal cross sections, confirming to IS specifications :-

(a) 3.5 Core core 95 Sqmm complete all as specified and as directed by Engineer-in-Charge.

(b) 3.5 Core core 50 Sqmm complete all as specified and as directed by Engineer-in-Charge.

(c) 2.0 Core 10 Sqmm complete all as specified and as directed by Engineer-in-Charge.

(d) 2.0 Core 16 sqmm complete all as specified and as directed by Engineer-in-Charge.

Supply and fix on pole / wall or lay in trenches under road / drain crossings etc., for drawing cables, GI pipe light grade, ISI marked, of following sizes including necessery pipe, fittings, clamps, bolts, nuts etc., complete all as specified and as directed by Engineer-in-Charge. :-

(a) 50 mm bore dia complete all as specified and as directed by Engineer-in-Charge.

M&L for cutting exisitng bitumenous road surfaces not more than 150 mm thick, removing for laying of pipes/cables, making good with PCC 1:3:6 type C-1 (using 20 mm graded stone aggregate) to match with the adjustant surface. Note Excavation and earth work below 150 mm thick will be measured and paid under relevent items complete all as specified and as directed by Engineer-in-Charge.

Supply & fix in repair MCCB 400 Amps 4 Pole, 50 Hz, 415 V C Frame with ruptruing capacity 35 KA with adjustable thermal and adjustable magnetic setting complete all as specified and as directed by Engineer-in-Charge.

Supply & fix in repair MCCB 250 Amps 4 Pole, 50 Hz, 415 V C Frame with ruptruing capacity 35 KA with adjustable thermal and adjustable magnetic setting complete all as specified and as directed by Engineer-in-Charge.

Supply & fix in repair MCCB 200 Amps 4 Pole, 50 Hz, 415 V C Frame with ruptruing capacity 35 KA with adjustable thermal and adjustable magnetic setting complete all as specified and as directed by Engineer-in-Charge.

Supply & fix in repair MCCB 100 Amps 4 Pole, 50 Hz, 415 V C Frame with ruptruing capacity 35 KA with adjustable thermal and adjustable magnetic setting complete all as specified and as directed by Engineer-in-Charge.

Supply & fix in repair MCB 63 Amps 2 Pole, 50 Hz, 415 V C Frame with ruptruing capacity 35 KA with adjustable thermal and adjustable magnetic setting complete all as specified and as directed by Engineer-in-Charge.

Supply & fix in repair Digital Volt meter 0-500 volts 01 No complete all as specified and as directed by Engineer-in-Charge.

Supply & fix in repair Digital Amp meter 0-400 Amps CT-01 No complete all as specified and as directed by Engineer-in-Charge.

Supply & fix in repair LED indicator RYB – 03 No complete all as specified and as directed by Engineer-in-Charge.

Supply & fix in repair Danger Board With Conventional Sign complete all as specified and as directed by Engineer-in-Charge.

Repair/ maintence of LT panel board incl MS hindges 04 nos,CP sliding door bolt 01 nos, Painting of LT panel board of any size with syntentic enamel paint complete all as specified and as directed by Engineer-in-Charge.

M&L for LT panel boards double feeder, outdoor type 3.15 mm thick sheet weather proof connecting electrical connections from site after the entire panel to accommadate the under mentioned items as suitable for 415 volt, 3 PH, 4 wire, 50 HZ, AC supply system having bus bars chamber with anodised copper bus bars duly insulated by insulation of RYB colour 400 Amps rating mounted on porcelain insulators and mounting upon angle iron stand made out of angle size 40 X 40 X 6 mm grouted in PCC 1:3:6, and luging the existing cable after cutting and gland to incoming and outgoing cables and spreader & seperator for MCCBs including re-routing of LT cables within 10 M of distances etc all as directed at site. Made All connection and fixing Incoming and out gooing MCCB at Pannel board and connect incoming and outgoing XLPE cable connection complete all as specified and as directed by Engineer-in-Charge. The panel board should be of size to consist the following:- Make of MCCB:- Havells/English Electric/Crompton Greves /MG France/ABB / C & S ELECTRIC INCOMING (a) MCCB 200 Amps 4 Pole, 50 Hz, 415 VC Frame with ruptruing capacity 35 KA with adjustable thermal and adjustable magnetic setting – 01 No

Supplying and fixing 1100 volt grade heavy duty cable PVC insulated alluminium stranded conductor served with inner sheathing of PVC tape and overall PVC sheathed in service connections suspended by insulating hangers not more than 1 meter apart incl 4mm suspension wire twin core cable flat 16mm square complete all as specified and as directed by Engineer-in-Charge.

M&L for electrical earthing complete with GI plate electrode of size 60 Cm X 60 Cm X 6.3 mm thick burried directly in ground vertically at a depth not less than 2.25 mtr. below normal ground level, with top edge of earth plate at a depth not less than 1.5 mtr. below normal ground level, connected to Aluminum strip of size 25 X 3 mm earth lead by means of bolts, nuts and washers of galvanised iron , earth lead strip protected by means of 32 mm bore dia light grade GI pipe up to switch board / panel board , all as specified and shown in MES schedule electrical plate No:- 5 of SSR Part I, including excavation and earth work in any type of siol , PCC 1 : 2 : 4 type C1 in chamber, RCC 1:2:4 type C-1 40 mmthick cover slab with 6 mm dia MS bars at 100 mm centre to centre both ways,with 6 mm dia MS hook, charcoal dust, salt , funnel for watering complete and testing the earth resistence and writing on the chamber by paint complete all as specified and as directed by Engineer-in-Charge.

Cement concrete type C-2 using 40 mm graded stone 1:3:6 in foundations, filling and mass concrete complete all as specified and as directed by Engineer-in-Charge.

KULBHUSHAN AGGARWAL