WBPWD/EE/CED/eNIT-18/2025-2026

Supply and installation of L.T. cubical type fully compartmentalized distribution panel board, having rigid and self supporting structure fabricated with 14 SWG CRCA sheet with M.S. angle iron frame (main frame with 50 x 50 x 6 mm angle and each vertical compartment with 40 x 40x6 mm MS angle iron). The base of panel should be made with 75mm x 40mm x 4.4 mm M.S. channel. [Manufacturer/Fabricator having Test Certificates from CPRI]. An Auto Cad Drawing of the panel has to approved by EIC before making of panel.

Construction Details :

All incoming & outgoing switches are to be housed in respective compartments hinged and gasket doors at the front. All doors should have panel locking arrangement in such a fashion that it can not be on unless the feeder remains in off position. The rear panel should gasketed wire net guard for ventilation arrangement will be made of easy accessibility to each compartment by providing rear panel doors with locking system . The panel is to be properly gasketed to prevent the dust & vermin. All vertical bus bar chambers is to properly arrange and all electrical equipments are to be fixed by nuts and bolts on suitable Hylam board / porcelain insulators of adequate size and dimension. The outgoing feeder connection from respective switches are to be made at rear side of panel by means of busbar, copper multi core cables, to be terminated on bolted type terminals for cable connection or on bush insulators for bus bar connection. Each compartment will be providing with DMC/FRP board at back side.

Incoming Arrangement :

a) 415 Volts, 630 A, TPN SFU with proper HRC fuse (open execution type) (Make: L&T/Legrand/Schenider/ABB/Siemens)- 1 No.

b) 415 Volts, 125A, on load front operated TPN changeover switch (open execution type) (Make: L&T /Legrand/ Schenider /ABB /Siemens)- 1No.

Bus bar section :

415 V, 1000 Amp capacity 99.9% – 99.5% electrolytic tinned 4 bar copper bus bar mounted on non-hygroscopic porcelain insulator / hylam sheet having sufficient di-electric strength duly wrapped with colour PVC tapes (Red, yellow, blue & black) for phases & neutral identification- 1 set.

The busbar is to be rigidly supported on suitable non-hygroscopic insulating materials of robust ration to with stand electromechanical stress in the event of earth fault. All connection to bus to made by suitable nuts & bolts. The busbar is too wrapped with coloured PVC (Red. Yellow, Blue & Black) for colour identifications.

Outgoing Arrangement :

a) 415V 315A Amps TPN SFU units with HRC fuses (Make:- L&T/SIEMENS/ABB/ SCHNEIDER) in open execution.---- 3 No.

b) 415V 200A Amps TPN SFU units with HRC fuses (Make:- L&T/SIEMENS/ABB/ SCHNEIDER) in open execution.---- 2 No.

c) 415V 63 Amps TPN SFU units with HRC fuses (Make:- L&T/SIEMENS/ABB/ SCHNEIDER) in open execution.---- 1 No.

(d) E.I. Danger Board of suitable size ------- 1 no.

Metering Panel:-

b) Indicating LED Lamp with colour glasses showing (Red/Yellow/Blue/Amber) (Siemens cat.no 3SB5285-6HC03, 3SB5285-6HD03, 3SB5285-6HF03 or equivalent cat of L&T/ABB/ SCHNEIDER) - 1 No.

c) 500/5 Amp ratio C.T (Kappa or equivalent) --- 3 nos.

d)S & F 2 Amp SPMCB for auxiliary supply to meters (Make- SIEMENS/L&T/Legrand) - 1 no.

Interconnection :-

All interconnection between incoming main to Busbar are to be made with suitable size electrolytic tinned copper bars or equivalent flexible pvc insulated multistranded single core Cu cable and the same between busbar to each outgoing mains and & for metering arrangements are to be made by suitable size of Copper with proper socketing of the end of each wire leads.

Earthing Arrangement :-

A separate continuous aluminum earth busbar of appropriate size is to be painted at the inside bottom of the panel and run across the full load of the panel board. All electrical equipment are to be properly earthed with suitable size G.I. strip.

The complete panel board is to be spray painted after required surface treatment by 7 tanks process / sand blasting with 2 coat of red oxide primer & 2 coat of finished paint over dried or powder coating.

Installation :-

The complete panel board is to be installed on suitable brick padestal as directed by the E.I.C.

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

Supplying and fixing 415V, 250 A TPN on load front operated Changeover switch with Sheet Steel enclosure on angle iron frame on wall with nuts bolts etc (Make:- L&T/SIEMENS/ABB/ SCHNEIDER)

SUB HEAD B: SITC OF DBs

S&F double door Vertical TPN MCB DB for MCCB Incomer with IP-42/43 protection,on angle iron frame on wall & mending good the damages to original finish incl interconnection with suitable size of copper wire and neutral link & provision for earthing attachment [Make : ABB/ Schneider/ Legrand]

8 way- Up to 250A

S&F double door Horizontal TPN MCB DB with IP-42/43 protection, concealed in wall after cutting the wall & mending good the damages to original finish incl interconnection with suitable size of copper wire and neutral link & provision for earthing attachment [Make : Legrand/ L&T/ ABB ]

S&F double door SPN MCB DB with IP-42/43 protection, concealed in wall after cutting the wall & mending good the damages to original finish incl interconnection with suitable size of copper wire and neutral link & provision for earthing attachment [Make :Legrand/ Schneider/ Crabtree]

SUB HEAD C: S&F OF MCCB & MCBs

S&F 415V 4P MCCB of breaking capacity 25kA/35kA with fixed thermal and fixed magnetic / adjustable thermal and fixed magnetic setting in existing DBs / enclosure and necessary connection [Make : Legrand/ Schneider/ ABB]

S&F 240/415V MCB of Breaking capacity 10kA & C characteristics on din rail of existing DBs and necy connection [Make : Legrand/ Schneider/ ABB]

6-32A SP MCB

63A TP MCB

Supplying and fixing 240/415 V MCB Isolator on din rail of existing DBs and necessary connection. [Make: L&T /Legrand /ABB /SIEMENS/Schneider]

SUB HEAD D: DISTRIBUTION WIRING

Distribution wiring in 2 x 22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed copper wire (Brand approved by EIC) in 20mm size PVC rigid conduit 'FR' (Precision make), with 1x22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed copper wire for ECC, to light/fan/call bell points with Piano Key type switch fixed on MS CRC sheet metal (16 SWG) switch board cum JB on wall complete with 2 no. suitable size “Ph & N” copper bar incl. bakelite/Perspex (wall matching color) top cover 3 mm thick and incl. 175mm x100mm x65mm inspection box, making earthing attachment, painting the MS box and mending good the damages to original finish

average run 8 mtr

Distribution wiring in 1.1 KV grade 22/0.3 (1.5 sqmm) singlecore stranded 'FR' PVC insulated & unsheathed copper wire (Brand approved by EIC) in 20mm size PVC rigid conduit 'FR' (Precision make), with 1.1 KV grade 1 x 22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed copper wire as ECC, to 5A 3 pin flush type plug socket & Piano Key type switch fixed on MS CRC sheet metal (16 SWG) switch board cum JB on wall incl.bakelite/Perspex (wall matching color) top cover 3 mm thick and incl. painting the MS box and mending good the damages to original finish

On board

SUB HEAD E: S&F OF SOCKET BOARDS

Supply & fixing 240V, 6A plug socket with separate 6A piano key type switch (Brand Approved by EIC) on sheet metal switch board embeded in wall incl S&F 150x100x65mm MS (16SWG) switch board and bakelite / perspex top cover of 3mm thick by brass screws after making housing for switch by cutting bakelite / perspex cover and making necessary connections as required.

Supply & fixing 240V, 20A plug socket with separate 20A piano key type switch (Brand Approved by EIC) on sheet metal switch board embeded in wall incl S&F 150x100x65mm MS (16SWG) switch board and bakelite / perspex top cover of 3mm thick by brass screws after making housing for switch by cutting bakelite / perspex cover and making necessary connections as required.

Supplying & Fixing sheet metal inspection box (16 SWG) of the following sizes flushed in wall by housing the same after cutting brick wall incl. making earthing attachment, painting and mending good damages to building works

150 mm x 100 mm x 65 mm

Supply & Fixing bakelite / perspex top cover on existing switch board by Brass screws after making housing for switch by cutting bakelite / perspex cover and making necessary connections as required

150 mm x 100 mm x 65 mm

SUB HEAD F: S&L OF WIRES

Distribution wiring in 1.1KV single core stranded 'FR' PVC insulated & unsheathed copper wire (Brand approved by EIC) of the following sizes in the prelaid polythene pipe and by prelaid fish wire and making necy connection as required

3x22/0.3 (1.5sqmm)

2x36/0.3 (2.5sqmm) + 1x22/0.3 (1.5sqmm) ECC

2x84/0.3 (6sqmm) + 1x56/0.3 (4sqmm) as ECC

Finishing of the PVC insulated wire ends by socketing with pin/ring type copper sockets and insulated tapes etc including supplying sockets tapes

SUB HEAD G: S & L OF CABLES & GI PIPE

Supply of 2/4 Core XLPE Insulated & Sheathed Armoured stranded Aluminium Conductor cables for Working Voltage up to 1100 Volts of following sizes [Make Polycab / RR /KEI/ Havells/ Gloster as approved by E.I.C]

4C 185 sqmm (From LT Panel to Covid Building Panel)

4C 120 sqmm (From LT Panel to DG AMF Panel And From DG AMF Panel to VTPN )

4 Core 25 Sq. mm ( Normal VTPN to 3 Phase COMPRESSOR & PUMPS And VTPN to TPNDB)

Laying of cable upto 3/4core 25sqmm on wall/surface incl S&F MS shaddles with earthing attachment in 10 SWG GI (Hot Dip) wire, making holes etc as necy mending good damages and painting

Laying of one no cables above 35 sqmm and upto 185sqmm in an 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 trench to be filled up with shifted soil, levelling up and restoring surface duly rammed.

Supplying & fixing medium gauge GI pipe (ISI-Medium) protection with necessary fittings and jointing materials as required

80mm dia

100mm dia

S&F compression type glands complete with brass gland, brass ring & rubber ring for dust and moisture proof entry of XLPE / PVC armoured cables as below:

4C 25 sqmm

4C 120sqmm

4C 185sqmm

Finishing the end of following XLPE/PVC armoured cables by crimping method incl supplying and fixing solderless socket (dowells make) tapes, anticorrosive paste & jointing materials:

4C 120 sqmm

4C 185 sqmm

4C 25 sqmm

SUB HEAD H: EARTHING

Earthing with 50 mm dia GI pipe 3.64 mm thick x 3.04 Mts. long and 1 x 4 SWG GI (Hot Dip) wire (4 Mts. long), 13 mm dia x 80 mm long GI bolts, double nuts, double washers incl. S & F 15 mm dia GI pipe protection (1 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level driven to an average depth of 3.65 Mts. below the ground level as below: By TATA-Medium GI pipe

Excavation of soil for installation of Earth Electrode and filling & ramming. For Soft Soil

Supplying & fixing earth busbar of galvanized (Hot Dip) MS flat 25 mm x 6 mm on wall having clearance of 6 mm from wall including providing drilled holes on the busbar complete with GI bolts, nuts, washers, spacing insulators etc. as required

Connecting the equipments to earth busbar including S & F GI (Hot Dip) wire of size as below on wall/floor with staples buried inside wall/floor as required and making connection to equipments with bolts, nuts, washers, cable lugs etc. as required and mending good damages No 6 SWG

SUB HEAD I: S&F OF VARIOUS FITTINGS

Supply and Delivery of 4 feet Industrial box type single LED tube fitting incl. Supply & Delivery of 1 n

Fixing only single/twin fluroscent light fittings complete with all accessories directly on wall / ceilling with HW block and suitable size MS fastener, ceiling plate, nipples etc as required

o. 240V, 20 W LED Tube (Polycarbonate with heat sink) with glare free light distribution with CCT (5000K-6500K) having minimum luminous efficiency of 100 Lm/ Watt or better & 50,000 LED burning hours or more. [Make- Philips/ Crompton/ Wipro or manufacturer with own NABL accredited lab with valid test certificate] [LED lamps & accessories shall have BEE certification]

Sweep Size- 1200 mm (48"), Wattage ≤ 55 Watt, R.PM ≤ 350, Air Delivery ≥ 220 C.M.M

Supply & Delivery of 230V, 1-Ph, AC ceiling fan of follwing size incl. all accessories. (Make- Crompton / Usha / Orient/ Polar) [BEE star rated]

S&F socket type fan regulator (step type) (Anchor/) on existing sheet metal switch board with bakelite / perspex top cover by screws after making housing for regulator knob by cutting bakelite/perspex top cover incl making necy connections etc

Supply & Delivery of 220V, Single Phase, 50 Hz A.C heavy duty exhaust fan of following sizes having complete metal body. (Make- EPC/ USHA/Orient CROMTON) [BEE star rated]

300 mm (12"), 4 Blade, RPM ≤ 920 , Wattage ≤ 45 Watt, Sound level ≤ 46 dB, Air Displacement (In CFM) ≥ 750

Fixing only exhaust fan after making hole in wall and making good damages and smooth cement finish etc as practicable as possible and providing necy length of PVC insulated wire and making connection for exhaust of following diameter: 30cm (12")

S&F louver shutter on wall with necy bolts & nuts (6mm dia x 62 mm long) For AI - 30cm exhaust fan (12")

PART B: SITC OF DG SET

Supply and fixing of Timer DB for Exhaust Fan with following accessories including making necy connection a) S/F 25A DPMCB as to GS b) S/F Digital Time Swiitch cat no L&T AUTSO2ASTOO (2 Module)- 1NO c) S/F 25A contractor with 2NO 1Module) Make L&T Cat No - AUMC2OO2501- 1No d) Toggle Switch - 1No e) 6 Way SPNDB Enclosure as to GS (L&T) Make- L&T or equivalent SIEMENS, ABB Elengance, Legrand

Supply , delivery at site on foundation , commissioning of 125 KVA, 415V, 50Hz, 3Ø silent new DG Set, comprising of Engine, alternator, separate AMF panel, Base frame, Fuel tank, Battery, CPCB-IV+ approved Engin & Acoustic Enclosure including transportation, loading and unloading of the DG set, having following specifications :- [ Make: JAKSON / KOEL GREEN / GREAVES POWER ]

ENGINE

Make : CUMMINS / KIRLOSKAR / GREAVES POWER

Engine Type : 4 or 6 Stroke Diesel Engine

Rated Output : 156 BHP

Duty : PRIME

Cooling : Water cooled with radiator

Cylinder : 4

Aspiration : Turbo Charged

Type of Governer : Electronic

Fuel Tank Capacity : Minimum capacity 230 Ltrs.

Fuel Consumption at 75% rated Load with Radiator or Fan : 22.4 Ltr./ Hr. or Less

Fuel Consumption at 100% rated Load with Radiator or Fan : 30.35 Ltr./ Hr. or Less

Overload Capacity : 10% overload for one hour for every 12 hours continious running at full load or better

Engine instrument Panel : Consisting of starting switch with Key, Lube Oil Indicator, water temperature Indicator, RPM indicator and hour meter.

Safety Controls : Emergency Stop, Low Lube Oil Pressure warning/ Shutdown, High Engine Water Temp. warning/ Shutdown, Sensor failure Indicator, Engine overspeed indicator, Battery charging and low battery indicator

Exhaust Silencer : Residential Type

Starting system : 12V./ 24 V. starting system complete with starter motor, charging alternator with rectifier and Cutout as per manufacturer standard.

Battery : Lead Acid, Low Maintenance or SMF and conforming to relevant IS Specification with Low/High Battery Voltage and Weak Battery warning

ALTERNATOR

Make : STAMFORD / KIRLOSKAR GREEN / GREAVES POWER / LEROY SOMER

Rating : 415 V., 3Ph. 50 Hz., 125 KVA, 1500 rpm

Type : Brushless, self excited and self regulated

Insulation : Class H

Protection : Screen-protected drip proof with Min.IP-23 degree of protection

Voltage Regulation (max) : ±1%

Winding connection : Star with Neutral

Total Distortion factor : Less than 3%

Total Harmonic distortion in output waveform : < 5%

AMF PANEL

Cubical type floor mounted AMF panel made from 16 SWG Sheet Steel, duly pretreated, powder coated painted and aesthetically finished, suitable for controlling of 125 KVA DG set having following specification/features.

i) 250 A , MCCB with O/L, S/C, E/F protection and microprocessor based protection release , U/V release etc. - 2Sets (Make -Legrand/L&T/Sneider)

ii) 250 A , Contactor, 2 NO & 2 NC- 2 sets

iii) In Built By-Pass switch for rated capacity

iv) On -delay timer for load change over

v) On-delay timer for engine shut off

vi) Engine On-Off switch (Push button type)

viii) Minimum five number indicating lamps to indicate 'mains ON', 'load on mains', Set running', 'load on set' and 'battery charger on'.

ix) Audio visual alarm for 'Low lubricating oil pressure', 'High water temperature, Start failure', and DG over load'.

xi) Microprocessor based relay with composite meter for digital display of following.

Generator voltage/AC Mains voltage.

Generator Current in all phases

Frequency

Power Factor

Energy

Indication for alternator supply

Running time indications number of hours of operation and service intervals, service due indications

The AMF panel must be designed to ensure trouble free performance and ensure switching over Electrical Load to DG within 15 (fifteen) second from the instant of mains failure.

ACOUSTIC ENCLOSURE

The DG set should have integrated acoustic enclosure at the manufacturing state itself. High quality acoustict enclosure must be certified as per CPCB-IV+ norms.

Common iron channel fabricated base frame containing the engine and alternator, mounted on AVM pads and having provision for lifting Hook.

TERMS & CONDITIONS

(i) Rate should be quoted inclusive of all applicable taxes and Duty etc.

(ii) All materials, equipments & accessories must conform to relavent IS /IEC specifications. The DG Set to be supplied must be from the authorized OEM of the respective Engine Manufacturer.

(iii) Nacessary manufacturer's test certificate for Desiel Engin, Alternator etc. Will have to submit in triplicate copy during delivery of the equipment.

(iv) Copy of "Type Approval Certificate" and Certificate of "COP" must be produced at the time of delivery issued from competant Authority (As per CPCB-IV+).

(v) Circuit Diagram for AMF Panel must be submited from the Manufacturer/OEM.

(vi) The entire set must be warranted atleast 15 months from the date of Delivery/12 months/ 5000 Hrs from the date of Commissioning whichever is earlier. However Engine & Alternator should be warranted of 2 years/5000 Hrs, whichever is earlier.

Supply and fixing exhaust gas piping of suitable dia welded black MS, class B pipe incl all necessary bends, supports, clamps, rain protect canopy, anti-vibration mounting, insulation of exhaust system with 100 mm thick mineral wool covered with wiremesh and aluminium cladding (from DG sets to top of the building plus 3mtr or as per CPCB) for above DG set as per direction of EIC

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 the sides of trenches, levelling, dressing and ramming the bottom, bailing out water as required complete.

Removal of rubbish,earth etc. from the working site and disposal of the same beyond the compound, in conformity with the Municipal / Corporation Rules for such disposal, loading into truck and cleaning the site in all respect as

per direction of Engineer in charge

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

Cement concrete with 30 mm down graded shingles excluding shuttering. N.B. Variety (a) 1:3:6 proportion.

Brick work with 1st class bricks in cement mortar (1:6) 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 . 25 mm to 30 mm shuttering as per decision & direction of Engineer-In-Charge

Ordinary Cement concrete (mix 1:1.5:3) with graded stonechips (20 mm nominal size) excluding shuttering and reinforcement if any, in ground floor as per relevant IS codes. (Pakur Variety.)

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 inter-section, complete as per drawing and direction. (a) For works in foundation, basement and up to roof of ground floor/up to 4m. (SAIL/ TATA/RINL)

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

Plaster ( to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering conrners as directed and raking out joints including throating, nosing and drip course, scaffolding/staging where necessary (ground floor). [Excluding cost 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, windowsill, floor etc. NOTE:Cement 0.152 cu.m per100 sq.m.

M.S. structural works with hollow sections ( square or rectangular shape) conforming to IS: 806-1957 & IS:1161-1958) connected to one another with bracket, gusset, cleat as per design, drawing & direction of Engineer-in-Charge complete including cutting to requisite shape & size, fabrication including metal arc welding conforming to IS: 816-1956 & IS: 9595 using electrodes of approved make and brand conforming to IS:814- 1957, haulage, hoisting and erection all complete. The rate includes the cost of all M.S. Hollow section, all consumables such as electrodes, gas and hire charges of all tools and plants and labour reqired for execution and all incidental chages (such as electricity, labour insurance) etc. complete. For roof truss works- Span up to 12 Mtr

Supplying, fitting and fixing single skin color coated trapezoidal profile for wall cladding, Roof shall be made of 0.45mm BMT (Base Metal Thickness) (0.50mm TCT(Total coated thickness excluding paint), G550 (min 550 yield strength), of Zincalume metallic coating (IS15965) with high Solar Reflectance Index (SRI) value for better colling as per thermatech technology, 1000-1015mm effective cover width with five major corrugation, 28mm high rib spaced at 203mm c/c with subtle square fluting in the pan and the end rib shall have anti-capillary groove and return leg.The steel sheet shall be fastened with 40 micron cine coated or 25 micron zine-tin alloy coated, hex head, self-drilling screw as per IS 3566-2002 Class 3 fastener. The base steel shall be conted with inc-aluminium alloy Zincalume (AZ150 )(.e. 55% Al, 43.4% Zine, 1.6% Si) minimum of 150 g/m2 coating total on both sides, pre-painted. with colorbond XRW (xterior roofing, walling paint system of 15 micron Super Durable Polyester paint (SDP) with stable inorganic pigment with no lead contents confirming IS15965. The sheet shall be free from defects and have brand marking of the manufacturer giving product details on the back of the sheet at regular interval confirming genuinits of the material. In Roof- With 0.5 mm thick sheet

Galvanised iron sheet ridging fitted with necessary bolts, screws, washers etc complete.(225mm end lapping) 450 mm lapping each way- With 0.63 mm sheet

Priming one coat on timber or plastered surface with synthetic oil bound primer of approved quality including smoothening surfaces by sand papering etc.