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| 1 | M&L Earthing with Galvanised Steel Earth Plate Electrode 600x600x6 mm thick, burieddirectlyin ground vertically to a depth not less than 2.25 METRE below Ground Level with Top Edge of Earth Plate at depth not less than 1.50 METRE below normal ground level, connectedtoGI Earth Strip 32 x 6 mm drawn through and including GI Pipe 40 mm bore (dia) ‘light grade’ for protection upto 1.00 METRE above the Floor Level ofthe Building where Main Switch/DB situated, by means of Bolts, Nuts, Check Nuts and Washers etc., Earth Plate surrounded by a packed thickness of Char Coal or coke dust mixed with commonSalt in alternate layers of not exc. 150 mm thick, PCC Pit in Cement Concrete 1:3:6(20 mm graded aggregate) and Pre-cast RCC 1:2:4 (20mm graded aggregate) Cover Slab 350x350 x50mm, reinforced with and including 8.0 mm dia TMT Bars @ 100 mm centre to centre both ways, GI wire mesh, Funnel with GI Watering Pipe 20mm bore (dia) ‘medium grade’, necessary excavation in soft/loose soil, returning, filling in and removal of Surplus Spoil upto a distance of 50 METRE and all as shown in Electrical Plate No. 3 of MES Schedule Part-I and Testing on completion complete all as specified and as directedNOTES : The unit rate includes for protection pipe and copper strip from top of earth plate up to 7.00 meter above ground level. |
| 2 | Excavation in trenches, not exceeding 1.5m wide and not exceeding 1.5m in depth for column & wall foundation, UG Cable and getting out in soft/loose soil complete all as specified and directed. |
| 3 | Returning, filling in, including spreading,levelling, watering and well ramming in layers n exc 25 cm layers in soft/loose soil complete all as specified and directed. |
| 4 | Removing excavated material (Soil) not exceeding 50 metre and depositing where directed at a level not exceeding 1.50 metre above the starting point complete all as specified and directed. |
| 5 | M & L for Sand Cushioning (dry) in trenches/ducts for protection of UG Cables (below, above and around the UG Cable laid in Trenches) of 23 Cm Spread thickness (8 Cm in depth before laying the Cable and 15 Cm in depth after laying the Cable) and consolidated (punned) upto 180 mm thickness, complete all as specified and as directed. Note : For the purpose of Payment, Punned thickness of Sand Cushioning only shall be measured and paid for. |
| 6 | Supply and laying for brick protection for protection of cable over sand cushioning cables inside the trench by using common brunt clay building bricks sub-class “B” old size brick and flat and width wise along the axis of the trench complete all as specified and directed. |
| 7 | 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 of size 240 sqmm 3.5 core laid in trenches/ floors/ on wall/ run through pipe/pole and connecting to the main switches/ cut outs MCB/ MCCB/Polewith necessary lugs complete all as specified and as directed. |
| 8 | S&F GI Tubing light grade of size 80mm dia in protection of cable at road crossing /hard standing/pole protection fixed with clamp as per site requirement etc complete all as specified and directed. |
| 9 | S&F Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit /pipe or fixed to poles duly fixed over insulatorsor any other indicatedsituation for loop earthing etc as required with 32 x 6mm GI strip complete all as specified and directed. |
| 10 | S&F Automatic Power Factor Correction (APFC) Panelwith MD-XL Capacitor and MCCB as incommer for 3 Phase, 415 V & 50 Hz system of capacity 250 KVAR with 6 steps (2x25 + 4x50)complete all as specified and directed. |
| 11 | S&F Servo Controlled Voltage Stablizer of capacity 250KVA (Conforming as per BIS 9815, Part I 1994, Reaffrimed 2019), 3 Phase, 50Hz,, naturally oil cooled, indoor, unbalanced type,, copper wound, digital display type, relay free smooth and silent operation with first filling of transformer oil (IS 335 : 2018) having the following specifications complete all as specified and directed.(a) Input Voltage: 300 Volts -480 Volts(b) Output Voltage: 415 Volts + 1% (Adjustable)(c) Rated Frequency : 50Hz(d) No distoration in wave form(e) Responde time not to excced 10 mili second(g) Rate of correction more than 6 Volts/Second for per phase(h) Class Insulation A(j) No load losses less than 0.5%(k) Full load losses less than 2.5%(l) Duty cycle continuous 24x7(m) Efficency more than 95%(n) Type of load 3 phase, unbalanced type(o) Digital Display Voltage cut offPROTECTION(a) Overload/Short Circuit protection(b) High/Low Voltage cut off(c) By pass arrangement in case of emergency(d) Single phase sequence change protection |
| 12 | M&L supply, fabrication, installation, connection, commissioning and testing of outdoor type LT Panel box (CPRI approved) made out of 3.15 mm thick CRCA sheet metal, double door suitable MS angle iron base frame, cubical type floor mounted 3 Ph 4 wire, 415 V front operated IP 54 protection, properly insulated copper bus bar capacity 800 Amps on phase and neutral, dust and vermin proof both side open with locking arrangement comprising of multifunction meters with LCD display of voltage, current and frequency and power factor, suitable ratio CT\"s phase indicator 03 sets, selector switches, danger board plate completely painted internally and externally with powder coated having sufficient space around MCCB in MCCB compartment for carrying out repairs fixing in position by provision of platform siutable size with brick work in CM (1:6) including glands, lugs, thimbles to connect the cable etc, for all incoming and outgoing cables complete all as specified and directed.Busbar: 800 Amps rated Copper busbar TPN duly insulated with PVC Sleave as per standard colour code and rigidly mounted on backalite/ DMC insulated bus bar support ((square/ round) insulators of suitable size and good insulation resistance.(a) INCOMING(i) MCCB400 Amps, 4 pole, 415 V, 35 kA (Ics = 100% Icu) - 1 No(ii) Digital multifuctional meter showing Amp/Volt/PF/Frequency - 1 No(iii)R ,Y , B indicator Lamps1 Set(b) OUTGOING(i) MCCB250.Amps, 4 pole, 415 V, 25 kA (Ics = 100% Icu) - 2 No(ii) MCCB 100 Amps 4 Pole , 415 V , 25 kA (Ics = 100% Icu) - 2 No(iii) MCCB 63 Amps 4 Pole , 415 V , 25 kA (Ics = 100% Icu) - 1 NoNote:- The LT Panel shall beFabricated/manufactured by CPRI approved Manufacturer of the LT Panel board as approved |
