SPECIAL REPAIRS FOR REPLACEMENT OF 40 KVA DG SET, PROVN OF HOT WATER SUPPLY TO SINGLE JCOS ACCN AND PROVISION OF SERVO STABILISER AT KALIMPONG UNDER GE 867 EWS

Amount

Supply install, testing and commissioning of automatic mains failure (AMF) silent Diesel Engine driven Generating set 415 volts, 40 KVA, three phase, 0.8 power factor, 50 Hz,1500 RPM, self excited, self regulated, AC generator installed including acoustic enclosure suitable for ambient condition at Kalimpong (WB) and confirming to condition under IS 10002/13364 Part-I 1992, BS 5514/5000 with followings :-. Notes :- (i) The capacity of generator set shall be net after all due derating factors as per relevant IS/BS standard design. (ii) The quoted rate shall be deemed to be inclusive of first fill of oil and final successful acceptance test. (iii) The quoted rate shall be deemed to be inclusive of 12 hours test run at site as specified in particular specifications in presence of rep of accepting officer, all testing arrangement/equipment and deisel shall be made available by contractor for tests. (iv) The quoted rate shall be deemed to be inclusive of AMF inbuilt panel of suitable rating which will start the DG set during main failure and stop the DG set when main supply restores. (v) The contractor shall arrange for artificial load for testing for final testing of DG set at site and the cost is deemed to be including in the quoted rate.

A. ALTERNATOR Standard desing alternator rated at 40 KVA/nearest higher available capacity at 0.8 (lag) power factor AC, three phase, 4 wire, 415 volts, 50 Hz, 1500 RPM, self excited, self regulated , screen protected, drip proof , bushless design with winding in pole faces, insulating class ‘H’ and voltage regulation of + 1% at rated voltage from no load to full load. The alternator shall be confirming to BS 5000, IS 13364 Part-I (1992) and shall be in position to generate supply with frequency regulation with within + 1% tolerance. The alternator shall be suitable for tropical climate and shall generally confirm to BS 2613/5000, IS-4722. (i) Insulation Class ‘H’. (ii) Temperature rise Class ‘H’. (iii) Excitation : Self-excited. (iv) Regulation performance : The voltage is kept constant with + 1% manual voltage adjustment within + 5%. (v) Frequency regulation + 1%.

B. DIESEL ENGINE :- Adequate capacity of diesel engine water cooled to drive independently above alternator and after considering derating as per site conditions after generating and reducing power consumed by accessories directly coupled through flexible coupling multi cylinder multi stroke direct injection, cold starting 1500 RPM, as per relevant IS/BS complete with standard accessories all as specified and required for safe handling and operation salient features of accessories shall as under :- (i) Fly wheel with housing. (ii) Cooling system – Moulded radiator with fan and belts. (iii) Cooling water pump : Centrifugal type belt driven. (iv) Exhaust System : Exhaust system complete with exhaust piping of suitable dia with MS pipe medium grade upto and outside the building, covered with asbestos rope and aluminium foil of 28 SWG complete with in the enclosure for safe exhaust without transforming vibration to the wall/enclosure : Turbo charger type Exhaust manifold Silencer, Residential type Bellows (v) Fuel system : Fuel injection system with fuel injectors, fuel injection solenoid switch controlled by governer electronic operated/(as recommended by OEM) for 1% speed/frequency regulation Fuel filter Fuel hoses (vi) Lub oil system :- Lubricating oil filter Lubrication oil pump

(vii) Air intake system :- Air intake manifold Air cleaner dry type (viii) Governer electronic (ix) Starting system- Electric self starter with and including battery charging alternator. (x) Batteries of capacity 12 V, 150 AH -01 No. Complete with copper conductor multistranded leads of suitable length from self starter to the battery terminals complete with initial charge and initial fill of electrolyte all as specified and directed. Starter gear ring Start and stop push button Ignition key/Switch Handling and operation : Salient features of accessories shall be as under :- Radiator with blower fan Corrosion inhibitor coolant Paper element filters for fuel , lub oil and by pass. Governer electronic controlled direct fuel injection system Fly wheel and fly wheel. (xi) Generator Mounting Panel – Comprising of all standard items as mentioned under this schedule or as per standard practice ignition key switch and start/stop arrangement, indications for Engine parameters, hour run meter, RPM meter, Engine oil pressure indicator, water/ coolent temperature indicator, Battery volt display. (xii) Safety controls :- Engine low lube oil pressure high water temperature and over speeding of engine.

(xiii) Coupling arrangements – Flexible coupling, fly wheel to suit flexible coupling. (xiv) Base Frame ;- Made out of ISMC of sturdy design made of MS channel with necessary reinforcement and predetermined holes. (xv) Fuel tank :- Daily service fuel tank made out of 3 mm thick (10 SWG) HR Sheet top and bottom with calibrated level indication arrangement, stop cock, drain plug, complete on a common base inside in the acoustic enclosure. (xvi) MS pipe line to and from the fuel tank to the DG set.

(C) Acoustic Enclosure : Manufactured by OEM suitable for 40 KVA DG Set. (i) NAL approved as per CPCB. (ii) It should be as per latest rules and regulations of Ministry of Environment and Forest and Pollution control board. (iii) The generating set batteries and control panel should be inside the enclosure. (iv) Fuel tank should be inside the enclosure. (v) Construction Details/specification are as follows :- (a) Outer body : CRCA Sheet of 1.6 mm thick (b) Doors: CRCA sheet of 1.6 mm thick. (c) Sound insulation : 100 mm thick rock wool (minimum density 64 Kg/Cum)/fire resistance foam as per OEM/as per standard manufacturing to achieve desired decibel level. (vi) The acoustic should be composite in construction and fully assembled integral unit. (vii) (viii) The DG Set should be provided with external emergency stop push button. (ix) The enclosure should be suitably illuminated by CFL/FTL lamp fittings. (x) The noise level should be 75 dB at 1 m under free field conditions. (xi) The acoustic enclosure parts shall be of powder coated after pre treatment process. The base frame should be painted with epoxy based black shade. Make of Engine: Kirloskar Oil/Cummins/Greaves/Mahindra Make of Alternator:- Kirloskar Green/Mahindra/Greaves/Cummins

Material and Labour for disconnection of existing unserviceable DG set 40 KVA by disconnecting electrically, dismantling of exhaust pipe and making good disturbed surface complete and transporting carefully to MES yard with the help of crane and vehicle complete all as required at site and directed by Engr-in-Charge. Notes: (i) Tool, machinery and transportation required for carry out of dismantling work and shifting of DG set to MES yard shall be arranged by contractor and rates for the same deemed to be included in quoted rate.

M & L for disconecting the existing cable by breaking the wall & floor/ hard standing/tiles of any type and taking out complete and making good to match with existing surface complete all as specified and directed by Engineer-in-charge. Note: (i) The cost of earth work for taking out LT service cable loop and making good of surface shall be deemed to be included in the qoted rate.

Dismantling and disconnecting existing LT panel from electric supply complete all as directed by Engr -in-Charge.

Supply and laying in trenches, fixed to wall or drawn through pipe etc., XLPE Insulated screened PVC bedded, galvanized steel strip or wire armored, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 70 sqmm 3.5 core and connecting with necessary lugs complete all as specified and directed by Engineer-in-Charge. Note:- Excavation, earth work, brick protection, protection pipe and sand coushioning shall be measured and paid separately. Make of cable shall be CCI / Gloster / ICC / Unistar / NICCO / Asian (RPG) / Havells / Polycab/PRG/Universal/Plaza/Crystal cables/Terracom/ Rallison/Mescab/Jeypore/KEI

Excavating in trenches, not exceeding 1.5m wide and not exceeding 1.5 in depth for taking out /laying of cable pipe etc., and getting out in soft/loose soil.complete all as specified and directed by Engineer-in-Charge.

Returning, filling in soil, including spreading leveling, watering and wall ramming in laying not exceeding 25 cm thick complete all as specified and directed by Engineer-in-Charge.

Removing excavated soil to a distance n.exe 50m and depositing where directed at alevel n.exe 1.5m above the starting point complete all as directed by Engineer - in -Charge.

Supply and spreading of dry sand in trenches for cable coushioning and punned down complete all as specified and directed by Engineer-in-Charge. Note:- Punned thickness only shall be measured for payment purpose.

Supply and laying unreinforced precast concrete cable cover, class LV, type 1, flat, size 250mm x 150mm x 40mm laid in trenches for cable protection complete all as specified and directed by Engineer-in-charge.

Earhing complete with galvanized steel earth plate electrode 600X600X6mm buried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate not less than 1.5m below ground level, connected to GI earth strip of size 32x6mm, by means of galvanized iron or steel bolts, nuts, check nuts and washers, and conneced to equipments as directed, including funnel with GI med grade watering pipe 20 mm bore, wire mesh charcoal or coke and common salt in alternate layers, of 15 cm compacted thickness all around the earth electrode, with concrete pit in PCC 1:3:6 type C-1 , 50 mm thick pre cast RCC 1:2:4 type B1 cover slab reinforced with 8 mm dia reinforced bar 15 cm C/C and earth lead handle protection including necessary excavation earth work in soft/loose soil and disposal of spoil to a distance n.exc.50m and necessary testing complete all as shown on electrical plate No.3 of MES SSR Part I complete including taking out existing earthing all as specified and as directed by Engineer-in-charge. NOTE: Rate quoted shall be deemed to include for GI earth strip upto 7.5m.

Material and labour for 50 mm dia bore GI tubing Light grade, laid under roads/ floor, or fixed to wall or along the pole with suitable size M.S.flat iron clamps, nuts, bolts and washers for cable protection complete all as specified and directed by Egineer-in-Charge. Make: TATA/ZENETH/JINDAL or equivalent as approved by GE.

Material and labour for cutting of existing road for passing of GI pipe for cable protection and making good the surface after execution of work complete all as directed by Engr-in-Charge.

Material and labour for GI strip laid in trenches / fixed on wall of size 32 x 6 mm laid for inter connecting /extension in earthing complete all as directed by Engr-in-Charge.

Supply and install Water heater storage type (Geyser), electric driven single phase 230 volt, 50 Hz of capacity 50 litres, with glass coated heating element, blue diamond glass lining, LED indicators, temperature control knob, thermal cut-out, Anode rod, safty valve, adjustable thermostat with 7 years warranty of tank with all accessories including grouting to wall with suitable size of nut, bolt and connecting with necessary electrical system complete all as specified and directed by Engineer-in-Charge. Make: AO Smith or equivalent in Bajaj/Venus/Racold/Havells/Crompton

M&L for cross arms , bracings, supports, clamps and back plate fabricated from structural sections including nuts, bolts, and washer bending hot or cold , drilling holes for bolts of any size and painting with two coats of aluminum paint over one coat of red oxide primer including preparation of surfaces complete all as specified and directed by the Enginee-in-Charge.

M&L for brick work with sub class 'B' old size bricks, straight or curved on plan exc. 6m mean radius built in cement mortar l:6 complete all as specified and directed by Engineer-in-Charge.

M&L for rendering 10 mm thick on brickwork or concrete surfaces in cement mortar 1:6 finished fair and even complete all as specified and directed by Engr-in-charge.

M&L for sub main wiring complete with 2 runs of 10 Sqmm PVC insulated heavy duty and unsheathed FRLS cable with multistranded copper conductor and drawn through and including rigid non metallic PVC conduit of 25mm dia fixed on walls/ceiling with all necessary fittings, connecting terminal ends including provision of 1 run of 10 Sqmm PVC insulated heavy duty and unsheathed FRLS cable with multistranded copper conductor as earth continuity conductor and connecting to earth dolly complete all as directed by Engr-in-charge. Note: 3 runs of 10 Sqmm and one run of PVC conduit shall be measured as one unit length. Make Cable: (i) Finolex, (ii) Plaza, (iii) Havells, (iv) Polycab, (v) KEI, (vi) Anchor Conduit: (i) Kinjal, (ii) Alwyn (iii) Harsh, (iv) Finolex (v) Berlia (vi) Plaza (vii) SUDHAKAR (viii) MERCURY(ix) DIAMOND (x) AVON

S&F sheet metal enclosure DB SPN 2 way 240 V with 200 Amp rated bus bar, powder coated, double door complete all as specified and as directed by Engineer-in-Charge.

Supply and Fixing of MCB SPN 40 Amps, 10 KA breaking capacity, 240 volts, 50 Hz complete all as specified and as directed by Engineer-in-Charge. Make for Item No. 20&21: Legrand/Siemens/Schindler.

Supply and laying or fixing on wall with saddle spacers, 1100 volts grade heavy duty cable with PVC insulated aluminium solid conductor served with an inner sheathing of PVC tape armoured with galvanised steel wire or tape and overall PVC sheathed 3 core 10 sqmm nominal cross section in service connections complete all as specified and directed by Engineer-in-Charge. Make: (i) Finolex, (ii) Plaza, (iii) Havells, (iv) Polycab, (v) KEI, (vi) Anchor

S&F 25mm dia medium grade GI tubing with all fittings and fixtures complete fixed to wall or ceiling, laid in floors etc., all as specified and as directed by Engr-in-charge.

S&F 20mm dia medium grade GI tubing with all fittings and fixtures complete fixed to wall or ceiling, laid in floors etc., all as specified and as directed by Engr-in-charge. Make for Item No. 23&24: TATA/ ZENITH / JINDAL

S&F gun metal gate or globe valves 25 mm bore, with iron wheel head, screwed both ends for iron pipe or for unions all as specified and directed by Engr-in-Charge. Make: LEADER/NETA/ANCHOR/NMC/ DURGA/ZOLOTO or equivalent ISI marked make as approved by GE.

S&F gun metal gate or globe valves 20 mm bore, with iron wheel head, screwed both ends for iron pipe or for unions all as specified and directed by Engr-in-Charge. Make: LEADER/NETA/ANCHOR/NMC/ DURGA/ZOLOTO or equivalent ISI marked make as approved by GE.

M&L for cutting existing steel tubing for alterations or additions (Each cut measured) and inserting new Tee, bend, elbow etc., upto 40 to 50 mm dia complete all as specified and directed by Engineer-in-Charge.

Supply and fix Servo controlled Voltage stabilizer for automatic operation, three phase naturally oil cooled indoor type & designed for input variation between 340 V to 460 V with output voltage stabilized at 415 with accuracy ± 2.5% and speed of correction 8 Volts per second and of capacity 50 KVA with 5 years warrenty in serviceability and performennce complete all as specified and directed by Engineer-in-Charge. Make: IECO/VOLINI/MICROTEK/BLUEBIRD/V-GUARD/MAXINE/PRIMA/SERVOSTAR or technocommercially equivalent make as approved by GE.

Earthing complete with galvanized steel earth plate electrode 600 x 600 x 6 mm buried directly in ground ( earth pit not less than 2.25 m deep bellow ground level ) with top edge of the plate not less than 1.5 m below normal ground level, connected to GI earth lead wire 4 mm dia. by means of galvanized iron or steel bolts , nuts , check nuts and washers, and connected to equipments as directed , including funnel with GI medium grade watering pipe 20 mm bore , wire mesh , charcoal or coke and common salt in alternate layers of 15 cm compacted thickness all around the earth electrode , with concrete pit in PCC 1:3:6 type C-1 , 50 mm thick pre cast RCC 1 : 2 : 4 type B-1 cover slab reinforced with 8 mm dia deformed bar 15 cm C/C and suitable handle of 10 mm dia round bar, 15 mm GI medium grade pipe for earth lead protection including necessary excavation earth work in soft/loose soil and disposal of spoil to a distance n.exc. 50 m and necessary testing complete all as shown on electrical plate No. 3 of MES SSR Part-I including taking out existing earth plate etc., complete all as specified and as directed by Engineer-in-Charge. NOTE: Rate quoted shall be deemed to include for earth lead and protection pipe upto 7.5m.

Material and labour for GI wre laid in trenches / fixed on wall of size 4 mm dia laid for inter connecting /extension in earthing complete all as directed by Engr-in-Charge.

M & L for breaking the wall & floor/ hard standing/tiles of any type and making good the disburbed surface by providing same type of tiles as existing and after fixing of Pipe with cable on wall and floor complete matching with existing surface complete all as specified and all as directed by Engr-in-Charge. Notes: (i) The cost of earth work for taking out LT service cable loop and matching of surface will deemed to be included in above qoted rate. (ii) The cost of GI pipe and new cable will be measured and paid separately under respective item.

M&L for sub main wiring complete with 4 runs of 16 Sqmm PVC insulated heavy duty and unsheathed FRLS cable with multistranded copper conductor and drawn through and including rigid non metallic PVC conduit of suitable size fixed on walls/ceiling with all necessary fittings, connecting terminal ends including provision of 1 run of 16 Sqmm PVC insulated heavy duty and unsheathed FRLS cable with multistranded copper conductor as earth continuity conductor and connecting to earth dolly complete all as directed by Engr-in-charge. Note: 5 runs of 16 Sqmm and one run of PVC conduit shall be measured as one unit length. Make Cable: (i) Finolex, (ii) Plaza, (iii) Havells, (iv) Polycab, (v) KEI, (vi) Anchor Conduit: (i) Kinjal, (ii) Alwyn (iii) Harsh, (iv) Finolex (v) Berlia (vi) Plaza (vii) SUDHAKAR (viii) MERCURY(ix) DIAMOND (x) AVON

Sub Total of Schedule 'A'

Schedule of Credit (Minus) Rs. 2,600.00 B/F from Ser page No. 30 NOTE: Bidder shall insert credit amount as rate Rs. 2,600.00 in Green field under Col-M. If bidder does not insert the amount the same will be deducted from total amount of Schedule 'A' and accordingly total amount of tender will be considered in deciding the lowest tender.

Sub Total of Schedule of Credit

SANJAY KAUSHIK

S K ENTERPRISES

SANJAY SAW MILL

Janata Enterprises