Spl repair to replacement of BER DG Sets of water supply installations under GE (West) Jalandhar Cantt

Amount

Taking down Old unserviceable open type DG set with duel tank and silencer of any capacity after cutting nuts/bolts lifting through crane without damage to the eqpt and dismantling the change over switch unit after disconnecting the electric supply and depositing at MES store yard complete all as specified.

DG Set

Supply, Install, commissioning and testing complete silent Diesel Engine driven generating set capable of delivering 82.5 KVA developing 102 BHP @1500 RPM or next higher capacity as available/manufactured 415 volts (AC 3 phase, 4 wire system of supply) 50 HZ at power factor 0.8 minimum.The DG set shall consist of a diesel engine coupled directely to alternator, of matching capacity as recommended by the manufacturer on a common base frame and therafter installed in the CPCB approved acoustic enclosure. (The complete set conforming to and test certificates as per CPCB norms and as specified) all as specified complete with AMF control panel of standard fittings, fixtures as per manufacturer's design, AMF pannel ,fuel tank with mounting arrangement and inlet, outlet, return fuel pipe arrangement, exhaust pipe with flexible coupling complete and shall comprise with the following :- (a) Engine (Prime Mover):- Diesel engine 1500 RPM of minimum 102 BHP as per manufacture's design, Turbo charged water cooled, self starter 12 volt electric battery start, complete with fly wheel and all standard fittings/fixtures as per manufacturer's design Generator Monitoring Panel :- Comprising of following:- (i) Microprocessor based genset controller for metering, monitoring governing and protection, (ii) Engine protection for low lub oil pressure, high coolant temperature (alarm & shutdown), (iii) Alternator protection parameters like under voltage, over current under frequency, over frequency (alarm & shut down), (iv) Relay drivers for remote annunciation (v) Cyclic cranking, (vi) Auto/manual starts/stops, (vii) Alternator trim adjustment from the front key pad, (viii) Operates within a temperature range 0-50 o C and humidity into 95%, (ix) Genset metering parameters like lube oil pressure, coolant temerature, engine speed (rpm), run hours, DC voltage, 3 phase volts and 3 phase amperes, frequency, KW, KVA, Power factor, (x) Safety controls :-Engine low lube oil pressure, high water temperature and over speeding of engine. (m) Coupling arrangement Flexible coupling, fly wheel to suit flexible coupling fly wheel housing (b) Alternator :- Alternator AC alternator, 3 phase, 415 volts, 4 wire rated line current for output 82.5 KVA, PF 0.8, 1500 RPM of suitable insulation class enclosure/SPDP self excited, self regulated brushes, complete with AVR with +1% voltage regulation directly coupled to and match the above engine. (c) AMF PANEL :- Auto main failure (AMF) panel (indoor type) made out of 2 mm CRCA sheet powder coated of conforming to IS 8623 totally enclosed dust and vermin proof with front and rear openings of 415 Volts, 3 Phase, 4 Wire AC 50 HZ having aluminium bus bar capacity required to carry current at 110% load of 82.5 KVA DG Set with three phase and half neutral colour coded pre-wired with copper flexible cable, be all as specified with the following accessories, (a) DG set controller digital type - 01 No (b) MCCB 4 pole 125 Amps 36 KA-01 Nos (c) CTs 200/5A

(d) DC Ammeter (e) DC Voltmeter (f) Push Buttons (g) Indication Lamps (h) 2 overload + Earth leakage relay (j0 Multi functional digital meter for KWH KVA, KW,Amps,Volts, frequency,Power factor etc (k) SMPS battery charger 12V, with trickle and boost charging (l) On/Off switch. (m) Automatic/manual switch (n) Hooter (o) Voltage sensing relay. Base Plate : Made out of structural steel as per manufacturer's recommended design/specifications Acoustic Enclosure : provision of an integral type approved/certified acoustic enclosure (Enclosure shall be as CPCB norms for the DG set to restrict the noise level to 75 db at one meter distance and temp rise within canopy shall not exceed 7 degree centigrade beyond the ambient temp.It shall be made of 16 SWG or manufacturer's standard norms CRCA sheet with powder coated finish on outside and provided with non igniting fire retardent foam as acoustic material.The doors & window shall be as per manufacturer's design.The base frame shall be of ISMC.It shall also include the following:- (i) Silencer : Absorption type, residential and exhaust silencer. (ii) Internal wiring with PVC copper conductor cable IS 694 marked. FRLS in conduit and fluorescent lamp fittings (iii) Fuel tank of 16 hours capacity but not less than made of 14 SWG CRCA sheet duly powder coated and provided with float, gauge and fuel float switch. (g) One Nos 12V x 180 AH 25 Plates maintenance free batteries (As recommended by manufacturer) Note :- (i) Catalogues operation and maintenace manual, spare parts list overhauling manual 03 sets shall also be supplied within cost quoted . (ii) Maintenance chart and manufacturer's instructions shall be displayed on wooden board including catalogue board within area all quoted cost.

(iii) Quoted amount shall inclusive of foundation for mounting of DG set shall be made as per manufacturer design of 30 cms height (minimum) from natural ground level with in overall quoted cost. (iv) Pre-commissioning test shall be carried out by SEI to be nominated by HQ CE WC within over all quoted cost, all testing equipments fuel and other material shall be arranged by the contractor within overall quoted cost. (v) Complete DG set shall be supplied either direct by the manufacturer or its authorized OEM and a certificate in this regard shall be submitted by the contractor to the Engr-in-charge. Make/Model of DG set alternator/engine : KOEL green 4R1040TA-G1 or equivalent make as mentioned in Appx 'B'

Disconnecting,dismantling and taking up or down the existing LT UG cable of size upto 95 sqmm x3.5 core after excavating,removing the cable covers/bricks,passing the cable through GI tubing,relaying/rerouting the same in trenches /fixing the same on poles etc connecting testing complete all as specified and directed by Engineer-in-charge. Note:- 1. Excavation, earth work, sand cushioning, and brick protection shall be measured and paid for separately. 2. Rate of necessary lugs, thimbles and jointing material shall be included in unit rate.

Supply and fixing cable jointing kit for 1.1 KV grade cable for straight through joint complete with jointing material (Epoxy based) and accessories suitable for 3.5 /4 core XLPE,armoured,aluminum conductor cable of size 70 to 85 sqmm indoor/outdoor type complete all as specified.

Supplying,laying,jointing and testing under ground XLPE/PVC armoured cable insulated and PVC sheathed LT 1100 volts grade (heavy duty) with standard aluminum conductor of size 95 sqmm 3.5 core laid in trenches, in floor,in duct through pipes or along the pole complete all as specified.

Excavation in trenches in soft/ loose soil not exceeding 1.50 mtr wide and not exceeding 1.50 mtr in depth for laying of cables and getting out complete all as specified.

Returning filling in, including spreading levelling watering and well ramming in layers n.exc 25 cm thick each layer complete (soft/loose soil) all as specified and directed.

Removal of surplus soil to a distance not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified.

M&L for sand cushioning with a layer 8 cm thick before laying of cable and 15 cm thick after laying of cable in trenches complete all as specified. Note: Punned down thickness shall be measured.

Supply and laying old size sub class 'B' bricks laid flat in trenches over the cable with the length of brick perpendicular to the direction of cable length, as protection to the cable complete all as specified and directed by Engr-in-charge.

Disconnecting, dismantling and taking out the old cable ends from feeder pillar /LT panels indoor/out door any type and size cutting removing the U/S portion and making end termination with required cable lugs, glands etc and re-connecting at AMF panel to provide main electric supply including required earth work all as specified and directed by Engr-in-Charge

Material and labour for earthing for DG Set complete with galvanized steel earth plate electrode 600x600x6 mm thick burried directly in ground (earth pit not less than 2.25 mtr deep below ground level) with top edge of the plate not less than 1.5 mtr deep below normal ground level connected with and including GI strip 25mm x 4mm in and including GI pipe 50mm bore medium grade as protection pipe by means of nut, bolts, check nut & washer of galvanized iron and thimbles, earth plate surrounded by packed layers of charcoal dust and common salt 15cm thick, all around including top and bottom and watering pipe 20 mm dia GI 'light grade', GI wire meshed funnel, filling of black cotton soil in earth pit upto ground level, PCC chamber recessed for and including RCC cover including all necessary excavation & earth work, earth wire connected to O/H continuous earth wire on pole, testing the earthing after completion complete all as specified and as per electrical plate No. 5 of SSR part-I (2009). Note :- (I) Earth pit shall be constructed 50cm from the side of excavation to avoid sinking of pit (II) PCC chamber of size 300mmx300mmx300mm shall be (1:3:6) using 20mm graded stone aggregate and 50mm thick RCC (1:2:4) type B-1 cover slab reinforced with 8mm dia TMT steel bars @ 100mm c/c both ways complete all as specified and directed. .

CHOUDHARY AND SONS

M/S Kuldip Construction Co.

D.V.Electromatic Pvt.Ltd

siddharthenterprises

J K AND COMPANY

R D Bansal

UNITED ENGINEERING CORPORATION

BHARAT ENGINEERS

sunrise engineers and contractors