provision of two trolley mounted diesel generator set at nae and load enhancement for ncn building at naval base under ge ( i ) navy porbandar , supplying , installing , testing & commissioning of factory assembled trolly mounted 40 kva deisel engine driven , compact , light weight and environment friendly power generating set , suitable for operation at 1500 rpm , 415 volts , 0 . 8 pf ( lagging ) suitable for 50 hz , 3 phase , 4 wire system , confirming to bs 5000 / is 4722 . common base frame complete with floor mounting fuel tank of adequate capacity with fuel line & accessories vibration damper pad & other accessories etc comprising of following:- ( a ) diesel engine: water / coolant cooled turbo charged engine to deliver suitable bhp at 1500 rpm under ntp conditions of bs-5514 and confirming to is-10002 , din-6271 & iso-3045 with an overload capacity of 10% for one hour in 12 hours of continuous running comprising of following accessories:- a ) radiator with blower fan or heat exchanger with guard . b ) pipe coupling for engine cooling system piping . c ) paper element filters . ( i ) fuel ( ii ) lubricating oil ( iii ) by pass , d ) fly wheel housing and fly wheel to suit alternator . e ) engine bearing mechanism in fly wheel house . f ) shut off coil with safeties for lldp / hwt / over speed . g ) dry type air cleaners and vaccum indicators . h ) residential silencers . j ) stainless steel exhust flexible blower . k ) motor driven priming pump . l ) battery charging alternator . m ) exhaust piping made out of stic c class , ms pipe inclusive of all accessories and hardware , necessary support scaffolding as per oems recommendations to sustain back pressure with rain cap . n ) mineral wool insulation 2 thick suitable for 400 degree celcius temperature cladded with aluminium sheet of 30 gauge for the entire length of exhust pipe . o ) first fill of oil , coolant and deisel during commissioning & 12 hours testing . p ) interconnecting copper cabling of adequate capacity between batteries control . q ) fuel pipe c class stic 1 / 1 . 5 / 2 dia - 01 . r ) self starter 12 volt dc . s ) electronic operated electronic governor . t ) fuel injection pump . u ) electronic instrument panel , complete with all accessories as per manufacturers . , specifications displaying the following - ( i ) battery voltage ( ii ) water temperature ( iii ) lubricating oil pressure ( iv ) engine speed ( v ) engine hours run ( vi ) frequency ( vii ) voltage viii ) safety control ( trip & indication ) . ( i ) high water temperature ( ii ) low tube oil pressure ( iii ) overspeed stop w ) base frame: sturdy , fabricated welded construction , channel iron base frame for mounting engine and alternator as per manufacturers design alongwith avm pads x ) battery: 12 volt , 180ah , 25 plates maintenance free battery with leads and terminals . y ) fuel tank: 8 hours full load diesel stotage capacity fuel tank with mounting brackets factory made of 5mm thick hr / ms sheet with level indicator fuel inlet , fuel outlet , air vent , drain plug , inlet arrangement for diesel filling from exterior of canopy etc . complete aff as specified & directed . ( b ) alternator :- 40 kva at 0 . 8 pf , 415 volts , 3 phase , 4 wire , 50hz , at 1500 rpm , self excited & self regulated with avr brushless excitation , screen protected , drip proof , insulation class h , ip-23 , self ventilated & confirming to bs:5000 / is 4722 suitable for engine as mentioned here-in-before . make : kirloskar green / crompton greaves / mahindra , ( c ) accoustic enclosure :m&l for acoustic enclosure for the above 40 kva dg set to reduce noise level to 75 db measured at 1 . 0 mtrdistance for audible frequences as per guidelines of central polution control board and manufacturers specification from authorized oems of gen set manufacturer specified including inside illumination by 2 nos - led fittings complete . note : ( i ) the rate includes the cost of 04 wheel operated trolly of suitable size and as per manufacturers recommendations for 4o kva dg set . ( ii ) predispatch inspection shall be carried out by authorized representative of accpting officer . the arrangements for predispatch inspection shall be made by the contractor without any extra cost to the department . ( iii ) precommissioning test shall be carried out by representative of accepting officer / sei and cost of same is deemed to be included in unit rate quoted . , supply and laying xlpe insulated armoured ( under ground ) heavy duty electric cable with standard aluminum conductor 1100 volts grade of cross sectional area 50 sqmm 3 . 5 core laid in trenches / ducts / through pipes / in floor road / along the pole etc complete all as specified . , m&l for earthing to switch gear / mcb db with mild steel earth plate electrode 60cmx60cmx6mm thick burried directly in ground ( earth pit not less than 2 . 25m deep below normal ground level ) connected to galvanised iron earth lead strip 32 x 6 mm by means of galvanised iron nuts , bolts and washer , earth lead connected to eqpt as directed , earth plate surrounded with adequate quantity of charcoal dust mixed with common salt to a packed thickness of 15 cm all around the plate including necessary earth work , pcc chamber and reinforced pcc cover made by pcc 1:3:6 type c-1 as in pit chamber and rcc pit cover 50 mm thick precast rcc 1:2:4 type b-1 duly reinforced with 6mm dia ms bar at 150mm c / c both ways with 10 mm dia ms round bar as handle , 20 mm bore gi pipe medium grade for watering and 40 mm dia gi pipe light grade for protection of earth lead up to 3 mtr with funnel , wire mesh etc with and including testing complete all as specified and as shown in electrical plate no 3 of mes sch part i . , earthing continuity galvanised iron strip 32 x 6 mm or main earthing lead fixed to wall with clamps or recess or croses or buried in ground or drawn in conduits / pipe or fixed to poles or any other indicated situation for loop earthing etc as required all as specified and directed by engr-in-charge . , excavation in trenches in hard / dense soil , not exc 1 . 5 m wide and not exc 1 . 5m in depth for foundation etc or for shafts , wells cesspits , manholes , pier holes etc not exc 10 sqm on plan and not exc 1 . 5m depth and getting out complete all as specified directed by engr-in-charge . , returning and filling in trenches incl spreading , levelling watering and raming in layer n . exc 25 cm complete all as specified and directed . , removing of excavated mtrls n . exc 50 m and depositing where directed at a level n . exc 1 . 5 m above the starting point . , material and labour for sand cushioning with a layer of sand 8cm thick before laying of cable and 15 cm thick after laying of cable ( total 23 cm compacted thickness ) in trenches complete all as specified . , s & f unreinforced pre-cast concrete cable cover , factory made class lv , type 1 , flat size 250mm x 150mm x 40mm complying to is : 5820-1970 , made of concrete used of grade not lower than m-20 , laid flat in trenches over the cable with length of concrete cover perpendicular to the direction of cable length , adjacent / abutting each other complete all as specified and directed . , material labour and testing for repairing of 11kv / 433v 3-phase 200kva indoor dry type distribution transformer on site including the following :- ( 1 ) supply and replacement of failed 03 nos . of 12kv rating la . ( 2 ) fixing of base frame for la with required fabrication and spares ( 3 ) ht insulation of damaged winding conductor ( 4 ) ir value improvement and insulation coating of 03 nos . la hylam sheet ( 5 ) ht insulation of 12kv la stud connections and taking same after complete repair & testing on site as directed by enginner-in-charge . , material and labour for maintenance of 200 kva tran