WBPWDTE/EE/BED/NIQ_23/Q of 2023-24

Amount

SITC of 250 KVA Silent Diesel Generator Set with microprocessor based genset controller suitable for solo application & alternator both mounted on a common base plate with fuel tank, residential silencer, AVM Pads with its leads, first fill of lube oil & Acoustic Enclosure (dimension as per standerd) subject to observation of Pollution Norms and confirming to latest BIS code with capacity of 10% over loading for one hour in twelve hours duration having following main items and accessories : A. DIESEL ENGINE : Diesel Engine 1500 RPM (Make-Mahindra) water cooled, four stock, Electric start, 12 Cylinder, Turbo Charged & after cooled model, confirming to BS 5514 with the following accessories : a. Air intake system -- Air intake manifold, Dry type Air cleaner, and Vacuum indicator. b. Exhaust System -- Turbocharger, Flexible connection, Exhaust manifold, Exhaust Silencer Residential type. c. Coolant System -- Engine Water pump, radiator, coolant additive concentrate, by pass thermostat. d. Lubricating System -- Oil pan, Engine mounted lube oil pump, Full flow lube oil filter, Lub oil by pass filter. e. Fuel System -- PT Fuel Pump with electronic Governor, ESTC injector, 24V DC Solenoid Coil, Replaceable fuel filter. f. Starting System -- 24V DC Electric Starter, 24V DC battery charging Alternator. g. Safty Controls -- Low lube oil pressure trip, High water temperature trip, Over speed Stop.

Integrated Control System : a. Physical Construction -- 128 X 64 mm LCD alpha-numeric display with 8 membrane key inter face, Non metallic enclosure, LED Display - fault warning and generator set status, Key switch for OFF / RUN / START. b. Governor & Speed / Frequency regulator -- Integrated electronic Governing (adjustable up to 5%). c. Operator Interface -- Manual Stop/Start, Remote Start/Stop Cyclic cranking, Alpha numeric screen, Alternator trim adjustment. d. AC Instruments -- 3-Ph AC Ammeter, 3-Ph AC Voltmeter, KW meter, KVA meter, PF meter, Frequency meter. e. Measurements / Instrumentation -- Lube oil pressure, Coolant Temperature, Engine speed, Hours run, Battery voltage. f. Engine Protection -- High coolant temperature (warning& shutdown), Low lube oil pressure (warning& shutdown), Fail to crank (Shutdown), Over speed (Shutdown), Low / High battery Voltage (Warning), Low Coolant level shutdown. g. AC Protection -- Over Frequency (shutdown), Under Frequency (warning), Over Voltage (Shut down), Over Current (Shut down), Under Voltage (warning). h. Other Accessories -- Operating temperature range 0-60°C, common fault alarm, common shutdown, Date and time stamp for alarm. Dimension (in mm) are 267x378x157.

i. Additional features – Speed bias or raise / lower inputs are provided for paralleling, Remote monitoring capability through separate interface modules, Engineering tool / manufacturing tool compatible with existing tools, 6 configurable discrete Outputs, 2 configurable discrete Inputs, Fault Indication on front panel display using fault LEDs, Smooth transition to rated speed, Programmable fault threshold, Controlled ramping to restricted startup smoke. j. Others -- Vibration damper, Fly wheel with housing. B. ALTERNATOR : Synchronous Alternator 250 KVA rating, (STAMFORD make) suitable for continuous operation at 1500 RPM, 415Volts, 0.8 P.F (lag), 50 Hz., 3 Ph, 4 Wire system. The Alternator shall be Brushless type, self excited & self regulated through an AVR. The Alternator will be suitable for tropical climate and shall generally Confirm BS 2613/ IS : 4722. The Salient feature of Alternator are : -- a. ± 0.5% Voltage regulation (Max.) in static condition. b. IP : 23 protection with class “H” insulation. c. Permanent lubricating bearing. d. Permissible over load of 10% for one hour in 12 hours of operation.

C. AMF CONTROL PANEL : The AMF Control Panel is fabricated from 14 SWG CRCA sheet and Powder coated paint (Color : Siemens Grey) after seven tank treatment process. The Panel will be floor / wall mounted. D. BASE FRAME : Engine and Alternator are mounted through AVM pads, on a common Channel iron fabricated Base Frame with pre-drilled holes. E. FUEL TANK : Daily service INBUILT fuel tank of min. 480 lts. capacity fabricated for 14 SWG CRCA sheet metal completed with drain valve, air vent, inlet out let connection. The fuel tank shall be floor mounted type placed outside the acoustic enclosure. F. BATTERIES : Two Nos. 12V, 160 AH suitable make (Exide / Ameron / Eqv) batteries in dry and uncharged condition with it leads. G. ACOUSTIC ENCLOSURE : 1 No. (CPCB APPROVED) Should have optimum service ability, Air inlet louvers, Powder coated made of stainless steel.

Salient Feature of Acoustic Enclosure (250 KVA) : The Acoustic enclosure is made of 14 / 16 SWG CRCA sheet. The Salient feature of the acoustic enclosure are : - a. The enclosure is of modular construction with the provision to assemble and dismantle easily at site. b. The Sheet metal component are NINE TANK pre treated before powder coating. c. The enclosure is powder coated (inside as well as outside) with special pure polyester base powder. All nut and bolts /external hardware are made from stainless steel. d. The doors are gasketed with high quality EPDM gaskets to prevent leakage of sound. e. The door handle are lockable type. f. The sound proof of the enclosure is done with quality Rock wool / Mineral wool confirming IS : 8183. The rock wool is further covered with fiber glass tissue and perforated sheet. g. Special design attenuators are provided to control sound at air entry and exit points. h. Temperature of enclosure does not exceed beyond 7 - 10°C of ambient temperature. i. There is a provision of emergency shut down from out side the enclosure. j. Noise level is <75 dB (A) at 1 mtr. distance under free field condition, i.e. as per CPCB norms. k. Door hinges are made of anti corrosive special alloy. l. Viewing window is fitted with toughened glass instead of acrylic sheet.

Excavation of soil for installation of Earth Electrode and filling & ramming as per GS For Morum Soil

Earthing with 50 mm dia GI pipe 3.64 mm thick x 3.04 Mts. Long With TATA-Medium GI pipe as per GS

Connecting the DG neutral and body of DG set to earth busbar including 25 mm X 6 mm galvanaized (hot dip) MS flat on wall or floor with GI saddles as per GS

Supplying & fixing earth busbar of galvanized (Hot Dip) MS flat 50 mm x 6 mm on as per GS

cable and allied work Supplying of following sizes Al. armoured PVC/XLPE (Havells/ Glostar /KEI/Polycab/ approved) as per direction of EIC 4 core 185sqmm

Supply delivary 6 core 2.5 sqmm copper cable for DG set to AMF panel

Laying of one No. cable of following sizes in underground trench 460mm wide x 760mm average depth, with brick protection on the top of the cable with 8 (eight) Nos. bricks per Mtr. including filling the space between the bricks and cable and also the trenchwith shifted soil, leveling up and restoring surface duly rammed above 185 Sqmm

Supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of XLPE/PVC armoured cables as below : 4 core 300 sqmm

Finishing the end of following XLPE/PVC armoured cables by crimping method incl. supplying and fixing solderless socket (Dowels make), tapes, anticorrosive paste & jointing materials 4 core 300 sqmm

Supplying & fixing medium gauge GI Pipe ( ISI-Medium) Protection with necessary fittings and jointing metarials as required 80 mm dia

LT Panel Supply & delivery of cubical type L.T. Distribution panel board of required size wall cum floor mounted compartmentalized with maple arrangement having rigid & self supporting structure fabricated from 2 mm thick CRCA sheet steel with M/S angle frame. The panel board consisting of the following switches & the Panel board to be get inspected by EIC -- A) Incoming Arrangement. a) switch disconnect or fuse (panel mounting cubical type) conform to IS : 13947 in open execution three pole & Neutral AC 23A, 50HZ, 415 Volt 400 Amp with 3 nos 400Amp DIN type HBC fuse link , L&T / SIEMENS make . . --1 No B)Bus Section: 415 V 800 A. electrolyte grade tinned copper bus bar with vertical section of required size same in size for Phase RYB, & neutral bars & 20x 5 mm Al. Bar for earth. A bus bar shall be fixed with FRP chair & the entire bars are insulated with PVC heat Sinkable sleeve of suitable size & color as per direction of E.I.C C) Outgoing arrangement: a) switch disconnect or fuse (panel mounting cubical type) conform to IS : 13947 in open execution three pole & Neutral AC 23A, 50HZ, 415 Volt 125 Amp with 3 nos 125 Amp DIN type HBC fuse link , L&T / SIEMENS make . . --2 Nos. b) Switch disconnector fuse (panel mounting cubical type) conform to IS: 13947 in open execution three pole & Neutral AC 23A, 50HZ, 415 Volt 100 Amp with 3 nos 100 Amp DIN type HBC fuse link, L&T / SIEMENS make . ---- 2 Nos. c) Switch disconnector fuse (panel mounting cubical type) conform to IS: 13947 in open execution three pole & Neutral AC 23A, 50HZ, 415 Volt 63 Amp with 3 nos 63 Amp DIN type HBC fuse link, L&T / SIEMENS make . --- 2 Nos.

Supplying and fixing 415V, TPN on load front operated Changeover switch with Sheet Steel enclosure on angle iron frame on wall with nuts bolts etc incl S&F cable end box make L&T / ABB / Siemens. 400 Amp

Supplying and fixing 415V, TPN SFU with sheet steel enclosure on flat iron/angle iron frame on wall with nuts bolts etc incl. S & F 3 nos. DIN type HRC fuse as per rating. 400 Amp

DG FOUNDATION Earth work in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing, spreading or stacking the spoils within a lead of 75 m.as directed. The item includes necessary trimming thesides of trenches, levelling, dressing and ramming thebottom, bailing out water as required complete. (a) Depth of excavation not exceeding 1,500 mm..

Filling in foundation or plinth by silver sand in layers not exceeding 150 mm as directed and consolidating the same by thorough saturation with water, ramming complete including the cost of supply of sand. (payment to be made on measurement of finished quantity)

Single Brick Flat Soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand.

Ordinary Cement concrete (mix 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement,if any, in ground floor as per relevant IS codes. (d) With local hard blackstone variety chips (crusher broken)

Ordinary Cement concrete (mix 1:1.5:3) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement if any, in ground floor as per relevant IS codes.;(iv) With local hard blackstone variety chips (crusher broken)

Brick work with 1st class bricks in cement mortar (1:4) ;(a) In foundation and plinth

Hire and labour charges for shuttering with centering and necessary staging upto 4 m using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs, beams and columns, lintels curved or straight including fitting, fixing and striking out after completion of works (upto roof of ground floor) (a) 25 mm to 30 mm thick wooden shuttering as per decision & direction of Engineer-In-Charge. (with prop)

Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups, binders etc initial straightening and removal of loose rust (if necessary), cutting to requisite length, hooking and bending to correct shape, placing in proper position and binding with 16 gauge black annealed wire at every intersection, complete as per drawing and direction.;(a) For works in foundation and upto roof of ground floor/upto 4 m;I. (JSW/JSPL/Shyam/SRMB/DMASL/electrosteel/SSL) Considering 1.5% of R.C.C. volume=

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints including throating, nosing and drip course, scaffolding/staging where necessary (Ground floor).[Excludingcost of chipping over concrete surface] (i) With 1:6 cement mortar;(b) 20 mm thick plaster

Neat cement punning about 1.5mm thick in wall, dado, window sill, floor etc. NOTE:Cement 0.152 cu.m per100 sq.m.

Artificial stone in floor, dado, staircase etc with cement concrete (1:2:4) with stone chips, laid in panels as directed with topping made with ordinary or white cement (as necessary) and marble dust in proportion (1:2) including smooth finishing and rounding off corners including raking out joints or roughening of concrete surface and application of cement slurry before flooring works using cement @ 1.75 kg/sq.m all complete including all materials and labour. In ground floor. 3 mm. thick topping (High polishing grinding on this item is not permitted with ordinary cement). Using grey cement (i) 25 mm. thick

Protective and Decorative Acrylic exterior emulsion paint of approved quality, as per manufacturer's specification and as per direction of Engineer-in-Charge to be applied over acrylic primer as required. The rate includes cost of material, labour, scaffolding and all incidental charges but excluding the cost of primer.;a) Normal Acrylic Emulsion

M.S. structural works in columns, beams etc. with simple rolled structural members (e.g. joists, angle, channel sections conforming to IS: 226, IS: 808 & SP (6)- 1964 connected to one another with bracket, gussets, cleats as per design, direction of Engineer-incharge complete including cutting to requisite shape and length, fabrication with necessary bolting, metal arc welding conforming to IS: 816- 1969 & IS: 1995 using electrodes of approved make and brand conforming to IS:814- 2004, haulage, hoisting and erection all complete. The rate includes the cost of rolled steel section, consumables such as electrodes, gas and hire charge of all tools and plants and labour required for the work including all incidental chages such as electricity charges, labour insurance charges etc. II) For Structural Works in Roof Trusses etc. using joists, channels and angles of specified section weighing less than 22.5 kg/ m ROOF 65X65X6 Angle (Long Section), Horizontal Member 40X40 x 5 mm,Purlin 50X50X6, Add 15% for Nuts, bolt, hooks, Washers. Cleats

Supplying, fitting & fixing Zn-Al alloy (55% Al & 45% Zn) coating of 150 grams per sq. metre (followed by colour coated on both side) steel sheet work having minimum yield strength of 550 Mpa of trapizoidal profile of approved make as per IS: 15965: 2012 and IS: 14246: 2013 (excluding the supporting frame work) fitted and fixed with 55 mm & 25 mm self tapping screw, EPDM Washer 16 mm dia & 3 mm th. washer etc. complete with 150 mm end lap and one corrugation minimum side lap. (Payment to be made on area of finished work).

Supplying, fitting and fixing PVC pipes of approved make of Schedule 80 (medium duty) conforming to ASTMD - 1785 and threaded to match with GI Pipes as per IS : 1239 (Part - I). with all necessary accessories, specials viz. socket, bend, tee, union, cross, elbo, nipple, longscrew,reducing socket, reducing tee, short piece etc. fitted with holder bats clamps, including cutting pipes, making threads,fitting, fixing etc. complete in all respect including cost of all necessary fittings as required,jointing materials and two coats of painting with approved paint in any position above ground. (Payment will be made on the centre line measurements of total pipe line including all specials. No separate payment will be made for accesories, specials. Payment for painting will be made seperately) 32 mm Dia.

Priming one coat on steel or other metal surface with synthetic oil bound primer of approved quality including smoothening surfaces by sand papering etc. 70 x 70 x 5 mm Squre Hollow Section,40 x 40 x5 mm,50X50X6

Painting with superior quality aluminium paint of approved make and brand including smoothening surface by sand papering etc. on steel surface : Two Coats

R.K.ENTERPRISE

M/S KUNDU CONSTRUCTION

PRADIP KUMAR DHABAL