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| 1 | Supply, installation, commissioning and testing of silent, diesel engine driven factory assembled floor mounted, generating set of capacity 50 KVA/ 40 KW, 3 phase, 4 wire, 50 HZ, 1500 RPM complete with safety control, the engine shall be compatible to CPCB-IV + norms and having inbuilt emission control system to reduce PM level and metering equipments mounted on common base frame on new PCC foundation required at site and as recommended by manufacturer all as specified and as directed comprising of the following: - (Contd...) |
| 2 | (Contd...)(A) Prime Mover directly coupled, diesel engine, turbo charged, water cooled suitably de-rated of matching BHP for driving 50 KVA/ 40 KW capacity alternator electric start conforming to IS- 8528 with prime rated power rating, G1 class and capable for taking 10% over load for one hour complete with the following accessories: - (i) Fly wheel to suit flexible coupling (ii) Flexible coupling with guards (iii) Air cleaners with filters (iv) Lubricating oil filter, fuel filter, fuel pre filter (v) Anti-vibration pads as recommended by manufacturer (vi) Fuel injecting system with injection pump, nozzles, governer (mechanical) of suitable capacity (vii) Electric start equipment (viii) Dynamo/ alternator for charging battery - 1 No along with cutout (ix) Lead acid storage battery 12 volts, as recommended by manufacturer along with copper battery lead and connector (x) Battery rack made out of MS angle (xi) Standard safety device (xii) Exhaust silencer (Residential Silencer) with exhaust piping of suitable size brought out side the building and complete length of silencer and exhaust piping continously wrapped with 12 mm dia asbestos rope and suitable anti-vibration arrangement around pipe passing through wall. (xiii) Electric/ mechanical as per manufacturer instructions panel duly wired and comprising of the following: (a) Lubrication oil temperature gauge - 1 No (b) Lubrication oil pressure gauge - 1 No (c) Water temperature gauge - 1 No (d) Starting switch with key - 1 No (e) Battery charging ammeter, battery charging lamp and fuse box, voltmeter, engine speedometer, engine running hours meter, frequency meter (f) Indicator lamp etc.(Contd...) |
| 3 | (Contd…)(B) Alternator 50 KVA/ 40 KW at 0.8 power factor, self regulated, self excited, screen protected 3 phase with neutral 415 volts 50 Hz 1500 RPM complete with automatic voltage regulator including making cable connections, insulation class - H and alternator control panel as supplied by manufacturer. (C) Base Frame : sturdy, MS fabricated, channel iron base frame for mounting the engine & alternator(D) ACOUSTIC ENCLOSURE of suitable size to accommodate DG set 50 KVA/ 40 KW, modular construction, fabricated out of cold annealed CRCA sheet duly epoxy painted.Doors to be provided with high quality EPDM gasket, duly epoxy painted. The canopy to be equipped with fans of reputed manufacturer for air circulation. Rock wool to be used for insulation.(E) AMF CONTROL PANEL OEM MANUFACTURED SUITABLE FOR OUTDOOR INSTALLATION WITH BY PASS ARRANGEMENT : Supply, Installation, testing and commissioning of AMF (Automatic Mains Failure) panel OEM manufactured suitable for generating set of capacity 50 KVA factory made, fabricated out of CRCA sheet (3.15 mm thick) of suitable size, with AMF panel with double contactors and MCCB's as per Powerica standards totally enclosed, dust, damp and vermin proof free standing floor mounted type and front operated, degree of protection required will be IP-54 conforming to IS 2147 with and including necessary foundation. |
| 4 | Supply, laying, commissioning & testing of LT XLPE insulated, armoured heavy duty electric cable with alumimium conductor, 1100 volts grade, cross sectional area 35 Sqmm x 3.5 Core, laid in trenches / duct / on pole / wall complete all as specified and directed. |
| 5 | All as per Sl item No. 2.00 herein before but cross sectional area 95 Sqmm x 3.5 Core |
| 6 | Excavation in trenches, not exc 1.5 m wide and not exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, laying cables etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out in soft / loose soil complete all as specified and directed. |
| 7 | Returning and filling including spreading, levelling, watering and well ramming in layers not exceeding 25 cm thick complete all as specified and as directed. |
| 8 | Removing of excavated surplus soil to a distance n. exc 50 m and depositing where directed at a level n. exc. 1.5 m above the starting point complete all as specified and directed. |
| 9 | M&L sand cushioning with clean and dry river sand in trenches for protection of UG cable and including punning down complete all as specified and directed. Note:- Punned thickness of sand coushioning shall only measured and paid. |
| 10 | Supply & laying sub class 'B', designation '75' bricks of old size, laid over sand cushioning along alignment of cable as protection to cable in trenches including taking out existing bricks complete all as specified and directed.Note : Sand cushioning will measured and paid separately. |
| 11 | S&F 50 mm bore galvanised steel tubing, Light grade galvanised, for cable protection laid in trenches or fixed to poles, walls or laid under floors complete all as specified and directed. |
| 12 | All as per Sl item No. 9.00 herein before but 80 mm bore |
| 13 | M&L for cutting the tarmac / hard standings in road and excavating trenches across the road in size not exceeding 0.45 m wide and 0.6 m depth for laying cable / cable protection pipe including refilling earth & making good top surface of the disturbed portion with 100mm thick PCC (1:3:6) type C-1 (using 20mm graded stone aggregate) / bituminous mix as per existing & matching with the surroundings including removal of rabbish off to distance not exceeding 100 m complete all as specified and directed.Note:- Unit rate quoted against this item shall deemed to include cost of road cutting, earth work excavation, plain cement concrete work required for making good top of the surface, complete. |
| 14 | M&L earthing complete with galvanised steel earth plate electrode of size 600 x 600 x 6 mm thick buried directly in ground in vertical position (earth pit not less than 2.25 m deep below the normal ground level) with top edge of the earth plate not less than 1.5 m below normal ground level, connected to earth lead of galvanised iron strip 32 x 6 mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel, all as shown in electrical plate No. 3 connected to earthing test point complete all as specified and directed.Note:- The unit rate shall also include for earth work in any type of soil, PCC 1:3:6 type C1 chamber, RCC 1:1.5:3, type A1 cover slab, 50 mm thick reinforced with 8 mm dia TMT bar @ 140 mm C/C both ways, 10 mm dia plain bar lifting handle embedded in cover slab, Main earthing lead from earth electrode to test point upto 7.5 m length, 20 mm bore medium grade GI watering pipe, 40 mm bore GI medium grade earth lead protection pipe, funnel, wire mesh, copper lugs, charcoal and common salt in alternate layer etc. |
| 15 | S&F earth continuity conductor or main earthing lead using 32 x 6 mm galvanised iron strip, 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. as required complete all as specified and directed by Engr-in-Charge. |
| 16 | S&F cubical type LT feeder panel board, outdoor type, factory made from CPRI approved factory, made out of 3.15 mm thick CRCA steel sheet and including MS angle iron 50 x 50 x 6 mm frame work, legs 0.6 m long, MC 100 channel base, totally enclosed, dust & vermin proof using neoprene rubber gasket (IP-54), double leaf door shutter in front side and single leaf shutter in rear side fixed with hinges having necessary locking arrangement in both front and rear door, with four side projected slanting roof, provided with louvers for ventilation / heat dissipation, duly powder coated of approved shade over a coat of red oxide primer both internally and externally and including mounting on PCC platform made out of PCC (1:3:6), C2 type, 150 mm thick (100 mm below & 50 mm above GL), with 100 mm offsets all round the panel board having Aluminium Busbar as specified and including necessary earth work.(Contd...) |
| 17 | The panel board shall be suitable for operation on AC 415 Volt, 3 Phase, 50 Hz, 4 wire system and shall have aluminium bus bar as specified with colour insulating tape / sleeves mounted on suitable size \\"F\\" class, non hygroscopic, non combustible insulators, provision for fixing MCCBs / MCBs, necessary inter-connections with bus bar / strip with colour code insulation, including LED indicating lamps (R, Y, B), digital voltmeter with CT / PT & ammeter of suitable capacity with selector switches, provision of cable entry / exit provided in bottom, connections of all outgoing / incoming, existing / new copper wires of required size (minimum 2.5 sqmm) with following accessories and including taking down existing LT Panel and acessories inside complete all as specified and directed:-Incoming :-(i) MCCB 4 pole 100 Amp, 36 KA, Ics = 100%, TMD Adjustable thermal release type - 01 NoOutgoing :-(i) MCCB 4 pole 100 Amp, 25 KA, Ics = 100%, TMD Adjustable thermal release type - 02 No (AMF + Spare)(ii) SPD type 3, 3 phase and neutral with separate chamber(iii) Digital multi function meter to measure voltage, current, frequency, power factor, kWH etc., with all connected CT's - 01 No(iv) Current Transformer and Potential Transformer(v) Aluminium Busbar of 150 Amp incl PVC sleeves for 3 Phase with neutral supply - 01 Set(vi) LED indicating lamp with colour Red, Yellow, Blue - 01 Set |
| 18 | S&F cubical type LT feeder panel board, outdoor type, factory made from CPRI approved factory, made out of 3.15 mm thick CRCA steel sheet and including MS angle iron 50 x 50 x 6 mm frame work, legs 0.6 m long, MC 100 channel base, totally enclosed, dust & vermin proof using neoprene rubber gasket (IP-54), double leaf door shutter in front side and single leaf shutter in rear side fixed with hinges having necessary locking arrangement in both front and rear door, with four side projected slanting roof, provided with louvers for ventilation / heat dissipation, duly powder coated of approved shade over a coat of red oxide primer both internally and externally and including mounting on PCC platform made out of PCC (1:3:6), C2 type, 150 mm thick (100 mm below & 50 mm above GL), with 100 mm offsets all round the panel board having Aluminium Busbar as specified and including necessary earth work.(Contd...) |
| 19 | The panel board shall be suitable for operation on AC 415 Volt, 3 Phase, 50 Hz, 4 wire system and shall have aluminium bus bar as specified with colour insulating tape / sleeves mounted on suitable size \\"F\\" class, non hygroscopic, non combustible insulators, provision for fixing MCCBs / MCBs, necessary inter-connections with bus bar / strip with colour code insulation, including LED indicating lamps (R, Y, B), digital voltmeter with CT / PT & ammeter of suitable capacity with selector switches, provision of cable entry / exit provided in bottom, connections of all outgoing / incoming, existing / new copper wires of required size (minimum 2.5 sqmm) with following accessories and including taking down existing LT Panel and acessories inside complete all as specified and directed:-Incoming :-(i) MCCB 4 pole 100 Amp, 36 KA, Ics = 100%, TMD Adjustable thermal release type - 01 NoOutgoing :-(i) MCCB 4 pole 63 Amp, 25 KA, Ics = 100%, TMD Adjustable thermal release type - 03 No (DB1 + DB2 + Spare)(ii) Digital multi function meter to measure voltage, current, frequency, power factor, kWH etc., with all connected CT's - 01 No(iii) Current Transformer and Potential Transformer(iv) Aluminium Busbar of 150 Amp incl PVC sleeves for 3 Phase with neutral supply - 01 Set(v) LED indicating lamp with colour Red, Yellow, Blue - 01 Set |
| 20 | Supply, installation, testing and commissioning of static voltage stabilizer 50 KVA for automatic IGBT controlled ( unbalanced load), microprocessor based digital 3 phases, 4 wire, Air cooled, indoor type and designed for input variation between 360 V to 468 V with output voltage stabilized at 415 V with accuracy + 1 % (P-P) complete all as specified and directed by Engr- in- Charge with following:-(a) Type - IGBT static voltage stabilizer indoor (b) Rated Freq 50 HZ. (c) Wave form distortion: Nil. (d) Response time not to exceed 10 milliseconds. (e) Duty cycle: continuous 100 % loading at lowest input voltage for indefinite time. (f) Rate of correction: greater than 3000 volts/sec, the said voltage regulator should sense as well as correct any voltage sag/ fluctuation within 20 milliseconds, i.e. one wave form. (g) Overload capacity 125 %, it should take startup load with high in rush currents. (h) Efficiency: greater than 96 % at 100 % and highest voltage input. (j) Type of load- Three phase unbalanced type. (k) Digital display voltmeter/ Ammeter. (l) Cooling type : Air cooled (Contd...) |
| 21 | (Contd...)(m) Protections :- (i) MCCB for overload and short circuit protection. (ii) Integral bypass and Manual bypass arrangement.(iii) Phase reversal protection.(iv) Over temperature protection.(v) Digital Display and Diagnostics.(vi) Fault logging and/Fault alarm. (vii) Voltage regulations shall be performed by IGBT driven PWM invertor operating at aroung 20 kHz switching frequency with typical voltage correction time 20 ms ( one cycle for 50 Hz supply) so that output voltage with the requirement of ITIC curve for regulated voltage supply to electronic machinery.(viii) Voltage regulation should be achieved by superimposition of PWM wave on incoming wave, without any break in the power path. (ix) Warranty 2 years(x) Soft switch on Please Enable Macros to View BoQ information |
