Special repair/replacement of various capacity of DG set against BER installed at water supply installation of Zone B and C under GE(East) Jabalpur

Amount

Supply, Installation, Testing and Commissioning of silent Diesel Engine driven generating set not less than 125 KVA or nearest standard size, 415 volts, 3 phase 4 wire, 1500 rpm, 50 Hz power supply with power factor 0.8 couple directly to alternator mounted on a common base plate complete with integral acoustic enclosure having silent features such as modular bolted construction with fabrication on imported CNC torret punch machines, nine tank treatment process with pure polyster based powder coating to ensure long life in all weather conditions and for out door application/ installation, integrated design thereby facilitating /easy handling installation & shifting of the equipment at site. The design of integral acoustic enclosure should be approved by National Physical laboratory as per Central Pollution Control Board (CPCB-IV+) latest norms/regulation Noise level 75dB(A) at a distance of one meter with fuel tank, battery and standard accessories as recommended by manufacturer, vibration pad, sand cushioning around PCC foundation, tools and spares, as provided by manufacturer all as specified and as directed with the following specifications :

ENGINE - 4 cylinders, inline, 4 stroke cycle, Water cooled, developing suitable BHP at 1500 RPM under NTP conditions of. The engine shall be provided with electrical starting arrangement & shall give the electrical output 125 KVA/ 100 KW at 0.8 power factor, 415Volts at the alternator terminal ALTERNATOR: single bearing alternator suitable for continuous operation generating 125 KVA at 1500 RPM, 415Volts , 0.8 power factor (lag) suitable for 50 Hz, 3 phase, 4 wire system, conforming to BS 5000/ IS 4722. The alternator is brushless type, screen protected, revolving field, self excited alternator conforming to IS/IEC 60034-1, self regulated through an AVR. The alternator has the following features: (a) ± 1.0% voltage regulation (max.) in static conditions (b) IP: 23 protection with insulation class H. (c) Permissible overload of 10% for one hour in 12 hours of operation. (d) 3 phase reconnectable winding with 12 terminal brought out for connection. (e) dedicated winding specially designed for 1 phase operation (f) double layer lap startor winding (g) PCC foundation complete as per manufacturer's design including anti vibration pads, necessary excavation & earth work in soft/loose soil, sand cushioning, grouting foundation etc.

Engine Starting – The control system supports automatic engine starting, Primary and back up start disconnects are achieved by battery charging alternator feedback or main alternator output frequency. Controller Model PS0602, provide configurable time delay of 0-300 sec to start after remote start signal and time delay of 0-600 secs prior to shutdown after stop signal. Sleep mode increase battery life. Configurable current settings from low to minimize current draw when genset is not working. Engine Protective Functions includes - Configurable alarm output Emergency stop: Annunciated whenever an emergency stop signal is received by the control (a).Low Lube oil pressure warning and shutdown (b)High engine water temperature warning/ shutdown (c) Low coolant temp warning (d) Sensor failure indication (e)Low and high battery voltage warning (f) Weak battery warning (g) Fail to start shut down (h) Cranking lockout: Control will not allow the starter to engage or to crank the running engine (j) Cyclic cranking : Configurable for the number of starting cycle (1 to 7) and duration of crank and rest periods. (k) Alternator Protective functions includes (l) High and Low AC voltage shut down (m) Under and over frequency shutdown / warning (n) Loss of sensing voltage input shut down (o) Battery charger alternator Fuel tank: Sub Base Fuel tank of 14 SWG MS sheet of adequate capacity to operate 8 hrs on 100% load. (b) Base Rail: Base Rail with integral fuel tank is provided.Batteries: For electrical control circuit 1 no., 12 Volts batteries for electrical starting of DG set

AMF ELECTRICAL CONTROL PANEL : Panel is manufactured with 14 guage CRCA sheet, floor mounting type, powder coated for weather-proof and long lasting finish, totally enclosed, front hinged cover, instrument switches and panel complete comprising fo the following :-

(aa) MCCB 4P 200 Amps 35 KA rating at load side - 02 Nos.

(ab) MCB DP 20A 10 KA - 01 No.

(ac) MCB DP 6A 10 KA - 02 Nos.

(ad) MCB DP 4A 10 KA - 09 Nos.

(ae) Current Transformer, Cl-1, 5 VA, tape insul 200/5A - 04 Nos.

(af) FP Contactor, 240 V AC, 2 No+2 NC, GMC-220/4, 220A AC3 - 02 Nos.

(ag) Indicating LED Light, R,Y, B - 09 No (R,Y - 06 No & B - 03 No).

(ah) Illuminating Push Button with element - 01 No.

(aj) Mushroom head push button, press to lock turn to release - 01 No.

(al) DC Ammeter 0-3 - Amps, 0-20 A rating, digital type, 96 x 96 mm with CT ratio 100.5 operated with 4P,3 way slector switch - 01 No

(an) 4 Point Alram Annunciator with inbuilt hooter, test, accept and reset push button, 12V DC - 01 No

(ao) Solid State single element earth fault relay wiyh 2C/o contact, CTR-250/5A AUX 230V AC - 01 No.

(ap) Suitable bus bar and control panel shall have suitable incoming / out going terminal control, circuit fuses, painted with powder coated, rust proof paint.

(aq) AMF controller, DG-6 type, 12V DC rating - 01 No

(ar) AUX relay, coil voltage, 12V DC 4 C/O, 14 Pin - 05 Nos

(as) AUX relay, coil voltage, 240V AC 4 C/O, 14 Pin - 01 No

(at) Thermal O/L relay, with inbuilt SPP feature, 3A-5A rating - 01 No

One set of accessories (As per manufacturer's instruction) :-

(aa) Fuel tank with locking arrangement for 08 hours running on full load .

(ab) Level indicator on fuel tank.

(ac) Drain plug.

(ad) MS class "C" piping , suitable dia and length for fuel inlet from tank to engine as per manufacturer's instruction.

(ae) Fuel strainer and fule tank with air vent.

(af) Batteries heavy duty 24 Volts 180 Ah lead acid type fully charged, indication of high flow charging changed : - 01 No

(ag) Cable connection from alternator to DG set control panel as directed

Tools (As per manufacturer's instructions):-

(aa) 'D' spanners - 01 Set

(ab) Ring spanners - 01 Set

(ac) Screw diver 5" to 12 " - 01 Set

(ad) Cutting plier 9 " - 01 No

(ae) Hammer 2 LBS - 01 No

Base frame arrangements . The engine and alternator would be coupled by means of specially designed flexible coupling and both the units including the radiator would be mounted on a rigid fabricated base to form a compact arrangement. The steel shall be TISCO / SAIL or equivalent make.

Sound acoustic enclosure : CPCB approved sound acoustic enclosure sutable for above generator set with complete set installed within canopy.

Shed & chainlink fencing :- Shed for covering of 125 KVA DG set by using CGI sheet, angle iron channels, steel iron poles & nut, bolts, washers, weld works, PCC works, excavation works etc & size of shed approx (lxbxh) (7 x 6 x 4 mtr) or as per site requirement and chainlink fencing for approx 9 x 8 x 2 mtr height including iron door including locking arrangement etc complete all as per site requirements and direction .

Supply and fix ON LOAD change over switch 415V in sheet metal enclosures 4 pole of capacity 125 Amps complete all as specified and directed.

M&L for fabrication of moveable trolley made out of mild steel for mounting of 125 KVA DG Set, Feeder pillar box along with LT cable complete with 'I' - Hooks for hanging cables and moving arrangements so as to move the trolley both ways at 180 degree complete to move from one place to another and comprising of following components as appended below:- (a) Fabrication of chasis of movable trolley made out of 6mm thick MS base plate of size 4m x 2.6m x 1.2m (LxWxH) welded on (ISMC) heavy duty channel of size not less than MC 100mm of length 4 RM - 02 Nos and of same size for length 2.6 mtr 07 No along with 04 Nos outer cover with tube inner including rubber flap of size 7.50, 16 ply with steel rim of load capacity 5.0 Tonne and heavy duty excel of suitable size of suitable length - 02 Nos for 04 Nos Wheels ,eye hook provision for transporting trolly with the help of tractor/other vehicles from one place to another place and four column/pillars for standing the trolly free from wheels. (b) Moveable trolley enclosure made out of MS plate of size 6mm thick duly welded all around the base platform of trolley of minimum height 1.2 meter, base frame made out of angle iron of size 50x50x6 mm and vertical supports 40x40x6mm (2 end supports and 1 middle supports in each direction and to be provided all around) including wire mesh of size 10SWG fixed with MS flat iron of size 25mmx4mm with suitable size of nuts bolts and washers including Provn of door opening at front of the trolley of suitable size using angle iron of size 40x40x6mm including locking and suitable steps for operation & maintenance purpose , hinges, welding etc complete with back open-able shutter duly hinged (heavy duty ).

(c) Suspension system of trolley made out of loaded leaf springs (step made patterns) - (04 Nos) made out of E-N 180 steel flat of suitable size with varying length starts from 1.06 RM (Total flats 06 Nos/Per sheet) including cutting, welding grinding at the time of fabrication of jobs complete. (d) Complete trolley made out of MS sheet/channels/base plate/tyre rims shall be painted with 02 coats of synthetic enamel paints (olive green) shade over a coat of red oxide primer with spray gun including preparation of steel sufraces complete all as specified ad directed by Engineer-in-Charge. Note : (i) DG Set shall be mounted on the trolley as such necessary arrangement for mounting DG set and LT panel shall be made as per manufacturer's instructions. (ii) Design of trolley must be as per technical specification attached complete all as specified and directed. (iii) Contractor must submit drawing and technical details of trolley before placing the orders complete all as specified and directed. (iv) The technical specifications of trolley not specified above but required can be referred from the technical specifications.

Excavation in trenches, not exceeding 1.5m wide and not exceeding 1.5m in depth for foundation, for laying of pipe, cable etc or n. exc.10 Sqm on plan and n. exc. 1.5m in depth for shafts, cesspits, manholes, pier holes, etc and getting out in soft/loose soil complete all as specified and directed.

Returning, filling in excavated approved soil, including spreading, levelling, watering and well ramming in layers not exceeding 25cm each complete all as specified and directed.

Removing excavated soil not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and directed.

Supply and spreading clean and dry fine sand free from sharp materials (unwashed) laying in trenches around the cable for cushioning in trenches, laid to a uniform thickness of 23cm (15cm under the cable & 8cm over the cable) and gently punned down to 18cm thickness complete all as specified and as directed. ( Note : Punned thickness shall be considered for payment purpose)

Brick covering with width equal to length of bricks as mechanical protection to cable with sub-class `B` fly ash bricks, laid dry and flat complete all as specified and as directed.

Supply and laying or fixing or passing in trenches/ on pole/ through pipes, 1100 volts grade XLPE insulated, screened PVC bedded, galvanised steel strip or wire armoured, heavy duty electric cable with stranded aluminium conductor including jointing materials such as cable glands & lugs etc Complete all as directed for the cross section area as under :

3.5 Core x 95 Sq.mm

3.5 Core x 70 Sq.mm

M&L for earthing complete with galvansided steel earth plate electrode 600x600x6.0mm thick directly burried in the ground (earth pit not less than 2.25M deep below ground level) with top edge of earth plate not less than 1.50M deep below normal ground level, connected to galvanised iron strip 25x4mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel, 15mm bore GI pipe medium grade including necessary fittings for protection of earthing wire, watering pipe 20mm bore GI medium grade, concrete chamber in PCC (1:4:8) type D-2 using 40 mm grade aggregate, coping shall be in PCC (1:3:6) type C-1 using 20 mm grade aggregate and internal surfaces of concrete chamber shall be given 12mm thick plaster in CM (1:4), funnel with wire gauge of 22 gauge (0.63 mm) 8 mesh per linear including 50mm thick cover of RCC (1:2:4) type B-1 using 20mm grade stone aggregate reinforced with 8mm MS TMT bar @ 75 mm C/C both ways, char coal dust and common salt all as shown in electrical plate No. 3 of SSR Part-I (2009) including all necessary excavation & earth work and removal of surplus soil to a distance n. exc 50M and providing connection points with MS/ GI bolts & washers as required and connection from earth test point to earth electrode with same GI earth wire alongwith protection pipe and testing on completion complete all as specified and directed. Note:- GI strip and protection pipe from earth electrode to test point max upto 7.50M shall be deemed to be included in the unit rates as quoted by the contractor.

Supply and laying Double Walled Corrugated (DWC) HDPE pipe of 75 mm outer dia conforming to IS 14930 Pt II of approved colour complete with fittings for cable protection complete all as specified and as directed .

M&L cutting of road, hard standing made of concrete or premix carpet, including excavation for laying of XLPE cable with DWC HDPE duct pipe up to 80 mm dia, all as directed and making Repair to potholes any depth, not exc 1 sq m each including sweeping free from dust and mud, or water, scoring sunken surfaces in roads, paths, etc. cutting around edges to at least 25 mm in depth, making good by filling in screened & graded roadmetal, watering and well ramming (including supply of road metal) complete all as specified and as directed .

M & L for electrical pannel rubber/ insullating rectangular shape mat confirming as per IS 15652 of 6mm thickness, 914 mm X 914 mm X 3 mm size. High electrical insulation resistance 10,00,000 mcga ohm, 100% shock proof under leakage current 10 mA with Fire Retardant and High dielectric strength of 45Kv for 1 minute &.washable – easy to clean etc all as specified and directed .

Schedule of credit amount of Rs 11574.00 to be deducted during AOC

Vijaypower Generators Limited (BID ID -3382777)

New Era Engineers (BID ID -3389868)

M/S RAKESH TRADERS (BID ID -3382526)

M/s Dhapola Elevator and Engineering (BID ID -3382723)

Electromech Engineers (BID ID -3381208)

M/S Anil Enterprises (BID ID -3382183)

Roy and Sons Infrastructures (BID ID -3390123)

UNITED ENGINEERING CORPORATION (BID ID -3381603)