CA NO. GE (I) (AF)/SHL/ OF 2020-21 PROVN OF DG SET FOR STANDBY POWER SUPPLY FOR OTES HALL, SMC AND PERIMETER LIGHTS HQ EAC(U), AF UNDER GE (I) (AF) SHILLONG

Amount

(d) CTs rating 100/5A, Class-I for all three phases - 01 Set of Three (e) 22.5mm dia 230 Volts cluster type phase indication lamps for 'R' , 'Y' , 'B'- 01 Set of Three (f) Separate control fuse (g) Gen Set Batteries 12 Volt 90 AH sealed maintenance free with leads & connecting accessories - 2 Nos (h) Digital power factor meter (j) Fuel tank for atleast 12 hrs supply (capacity), with supply line to engine. (k) Electric starting with DC self starter, cut out with wiring, requisite batteries and its leads, battery charging alternator etc. (l) Fuel filters & lub oil filter. (m) Air cleaner (n) Exhaust silence-cum-manifold with adequate dia and length of smoke flu pipe to exhaust the emitted smoke out side the Generator room. (o) Engine stop lever (Hand operated) (p) Lub oil cooler. (q) Fuel lift pump (r) Belt guard and automatic belt tension unit. (s) Engine driven booster pump to deliver fuel from supply line to the fuel injector through two Nos fuel filter (t) Safety control trip for low lubrication oil Temp (u) Safety control trip for high lubrication oil Temp (v) Safety control trip for Engine over speed (w) Base frame of sturdy design - 1 set (B) Cold Wheather Kit : Cold weather functioning Kit with suitable battery warmer comprising of automatically controlled thermostate. (C) AMF Panel : The panel shall be equipped as under:- (a) MCCB four pole 125 Amp confirming to IEC 60947-2 & IS – 13947-3 thermal magnetic release and adjustable over load setting 0.8 – 1.0 x In and adjustable short circuit setting 6 – 10 x In and rupturing capacity 35 KA at 415 V AC , 50 Hz complete - 02 Nos. (b) On-load change over switch for 200 Amps rated current, four pole, 415 volts, 50 Hz in sheet steel enclosure confirming to IS-13947-3

(e) 100mm thick PCC 1:4:8 type D-2 (using 40mm graded stone aggregate ) as in foundation below PCC platform. (f) PCC (1:2:4) type B-1 (using 20mm graded stone aggregate ) as in platform above PCC foundation 2.5 times the operating weight of the Gen Set with enclosure or as recommended by the Gen Set manufacturer OEM/OEA, whichever is higher shall be provided and shall be deemed to be included in rate quoted for this item. Minimum platform for Gen Set. shall be 450mm above the ground level. Length and breadth of foundation shall be at least 600mm more on all sides than the size of enclosures. (g) The consolidated rate for Srl No. 1.00, 1.10, 1.20 & 1.30 shall be quoted against Srl No. 1.00 of BOQ.

Excavation in trenches, n exc 1.5 m wide and n exc 1.5 m in depth or n exc 10 Sqm on plan and n exc 1.5 m in depth & getting out, for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes or for laying underground cable, pipe lines etc. in soft/ loose soil, complete all as specified & directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cms thick in soft / loose soil complete all as specified and directed.

Removing excavated surplus material to a distance not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and directed.

Supply/Laying / fixing, jointing, testing and commissioning of LT under ground cable 1100 volts grade XLPE insulated & PVC sheathed cable heavy duty armoured, with multistranded aluminium conductor laid in trenches/ ducts/ pipes/fixed on walls/poles complete all as specified and directed for following size cables :-

3.5 core 50 Sqmm

3.5 core 185 Sqmm NOTE :- (a) Excavation & earth work, shall be measured and paid for seprately under respective items of the BOQ. (b) GI pipe for laying of cable, sand cushioning, cable protection cover shall be measured and paid for seprately under respective items of the BOQ (c) Road cutting involved during excavation for laying of cables etc shall be made good as per existing road. Nothing extra shall be admissible on this account. Quoted rates of the item shall be inclusive of the above provisions.

M & L for dry sand cushioning to PVC under ground cable with screened and washed sand and punning to provide a required cover complete all as specified and directed. Note :- Thickness after punning shall be considered for payment.

Supply and laying factory made ISI marked un-reinforced precast concrete cable cover class LV type 2 flat of size 300mm x 180mm x 40mm complete all as specified and directed.

M & L for earthing complete with Copper earth plate 60 cm X 60 cm X 3.15 mm thick buried vertically in ground to depth not less than 2.25 metres deep below ground level, with top edge of earth plate not less than 1.5 m below ground level, connected to copper earth strip of size 20mmx3mm by means of bolts, nuts, check nuts and washers of galvanized iron or steel besides welding at all joints as shown in drawing and including excavation and earth work, GI pipe light grade 40mm bore for protection of earth wire and connected to continous earth lead on pole/test point, supplying and laying charcoal dust common salt PCC 1:2:4 type B1, chamber and MS angle iron frame 40x40x3mm and RCC cover 40mm thick (1:2:4) type B1 using 20mm graded stone aggregate reinforced with 6mm dia round bars @ 75mm C/C both ways with MS handle 12mm dia, PGI/CI funnel and wire mesh, 20mm dia GI pipe medium grade for watering all as shown in electrical plate No 5 on srl page No 497 of SSR Part I (2009) drawing and connection to earth test point including testing and including dismantling and taking out old earthing complete all as specified and directed. Note : (i) The cost of earth lead /strip and GI pipe for protection of earth lead/strip upto 7.5m is included in the quoted rate. (ii) The cost of excavation, earth work is included in the quoted rate.

M & L for copper earth strip of size 20mmx3mm as in 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 or any other indicated situation for loop earthing etc, complete all as directed. Note: - Length beyond 7.5m (as already included in item of earthing) will be measured and paid against this item as per site requirement.

S & F 100 mm bore Galvanised steel tubing light grade for protection of under ground cable on poles/walls/under road crossing/laid in trenches etc conforming to IS-1239 complete all as directed.

M/S DEEDAR ENTERPRISE