SPL REPAIR TO SCHOOL STAFF QUARTERS INTERNAL AND EXTERNAL ELECTRICAL SERVICES.

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor 120 Sq mm, 3.5 core.

ditto- but size 25 Sq mm, 4 core.

ditto- but size 16 Sq mm, 4 core.

M & L for installing, testing and commissioning of factry made LT cubical panel board outdoor type free standing with double door made out of 3.15 mm thick CRCA sheet, dust and vermin proof , having locking arrangement at front and opening arrangement from front & rear both duly fitted with suitable size copper busbar rating 300 Amps, 4 strip covered with colour coded FRP with compression cable glands for entry & exit of cables, powder coated complete comprising of the following : - (A) INCOMING (i) MCCB 4 Pole 250 Amp, 50 Hz, 415 V, 36 KA Ics=100% Icu- 01 No. (ii) Digital LED voltmeter 3 phase accuracy class 1 with selector switch - 01 Set. (iii) Digital LED ammeter 3 phase, 5 Amp accuracy class 1 with selector switch and 3 Nos CTs 300/5 Amp - 01 Set. (iv) LED indicating lamps RYB - 01 set. (B) OUTGOING (i) MCCB 4 Pole 125 Amp, 50 Hz, 415 V, 25 KA Ics=100% Icu- 06 No. (ii) MCCB 4 Pole 100 Amp, 50 Hz, 415 V, 16 KA Ics=100% Icu - 01 No. (iii) MCB SPN 20 Amp, 50 Hz, 230 V, 'C' curve, 10 KA - 01 No. (iv) Space only for accomodating 4 pole MCCB - 01 cubicle. (v) Foundation for the panel should provided with PCC 1:4:6 at a depth of 150 mm below ground level and 100 mm above the ground level with slot openings fo I/C and O/G cables. Note :- The structural and connection diagram of panel should be got approved by the AO before placing order to the panel manufacturer.

M&L earthing complete with galvanised steel earth plate electrode, 600 x600 x 6mm thick burried directly in the ground (earth pit not less than 3.25 mtr deep below ground level) with top edge of the plate not less than 1.5mtr below ground level connected to galvanised strip 32x6 mm size as earthing lead by means of bolts, nuts, check nuts and washers of GI up to test point, GI tubing 40 mm bore medium grade protection pipe, GI watering pipe 20mm bore light grade with funnel and wire mesh, charcoal, salt complete all as per SSR with PCC chamber, 50mm thick RCC cover in 1:2:4 type B-1 using 20mm graded stone aggregate reinforced with 8mm dia TMT bar @ 80mm c/c both way including earth work in any type of soil , removal of surplus soil to a distance n.exc 50m and connecting , testing on completion all as shown on electric plate No 03 of SSR -2009 Part I complete all as specified and directed.(Note: Excavation and earth work is deemed to be included in the rates quoted).

Supply and fixing Vertical Loadline sheet metal enclosure double door, Triple pole and neutral (TP&N vertical loadline) AC, 415 volts, 04 way, with 200 Amps rated copper bus bar and IP - 43 & IK 08 protection, with provision of 16 KA 125 Amp G frame MCCB with the inbuilt provison for fixing of 1 No MCCB and 12 Nos MCB'S inside of DB, with metal door and flush to wall including grouting and cutting in existing wall and making good disturbed surface with two coats of white / colour washing / distempering etc to match the existing one complete all as directed by Engineer - in - Charge.

S & F of MCCB 4 Pole, 415 V, adjustable type thermal magnitic ICS100%, 125 Amps with breaking capacity 36 KA with connected assosieries etc. complete all as directed by Engineer - in - Charge. Conplete all as specified and as directed.

S & F MCB SPN 63 Amps, 230 Volts 'c' curve10 KA, including necessary connection complete all as specified and as directed.

M&L for sub main wiring with two runs of 10.00 Sqmm (nominal cross-sectional area) FRLSH PVC insulated & unsheathed 1100 Volts grade multistranded copper conductor single core drawn through and including PVC concealed conduit of adequates size and fittings and accessories concealed in walls, floors and ceilings complete including one run of FRLSH PVC insulated & unsheathed single core multistranded copper conductor cable of size 10.00 Sqmm green in colour as earth continuity conductor connected to common earth dolly from main DB to Sub DB including cutting chases and making good in cement mortar (1:4) with all necessary surface finishes such as white / colour wash / distempering etc to match the existing surfaces complete all as specified. Note:- (i) Two runs of cable, one run of earth wire and one run of PVC non metallic conduit shall be measured as one run length. (ii) Cable required for connection to DBs and MCBs shall be deemed included in quoted rates. (iii) Earth wire shall run inside the conduit pipe.

Excavation in trenches, not exceeding 1.5 meter wide and not exceeding 1.5 meter in depth for foundation of poles, stays or for taking out/laying of cables and getting out in soft/loose soil complete all as specified and directed by Engr-in-Charge.