WBPWD/SEWEC /HED /NIQ-15/2021-22_2nd call

Amount

Supply and delivery of 11 kV, 800 A, short-circuit capacity of 26.3 kA for single panel HT Gear with VCBs as per Specification [Make - Schneider Electric / SIEMENS / ABB/ Crompton Greaves, Pascal as approved by E.I.C] below :-

The Vacuum Circuit Breaker should comply as per IS:13118 & IEC:62271-100 for Circuit Breaker & IS:3427 & IEC:62271-200/IEC 694, IEC-61850 for Indoor panel.

PANEL

The HT panel is rated at 11 kV, 3-Phase 800A, Breaking Current/short-circuit capacity of 26.3 kA for 3 sec, 50c/s and shall be of floor-mounting, sheet steel clad, free-standing metal enclosed air insulated switchgear cubicle with VCB inside. The Vacuum Circuit Breaker (Make- Schneider Electric/SIEMENS/ABB/ Crompton Greaves/Pascal as approved by E.I.C) is horizantal isolation & horizantal drawout/Vertical isolation & horizontal drawout with 4 compartments and is made of 2mm/2.5mm CRCA sheet for load bearing members with vermin & moisture proof along with automatic shutter arrangement for complete isolation of bars, cable sockets & other live parts etc. when the removable portion is withdrawn. The breaker is arranged for hand operation through front of the panel push buttons & spring charging mechanism and also electrical motor which will be energizied by 230V AC. Closing and tripping coils are rated for 110V DC to be made available from the station 400 V 3 phase 50 C/s A.C. source with remote operation compatibility. All trip coils shall be of shunt trip type energized from a suitable rectifier condenser source.supply is required. There is a remote operation through multicore arrangement for closing & tripping. The shutter shall be gravity operated.

FRONT DOOR

The front door of the breaker seting as panel door is not acceptable. High-Voltage door During switching operations, the high-voltage door should remain closed and mechanical interlock should prevent opening of door when the switching device is in service and is switched ON. The position of the withdraw-able section, the CLOSED/OPEN switch position of the switching device, the operating cycle counter and the “spring charged” indication should be visible through pressure-resistant inspection windows in the high-voltage door. The panel front door can be closed with the breaker in isolated position. The degree of protection in the panel is IP-4X as per Indian Standard IS 3427.

BUSBAR

The spacious bus bar compartment is provided on the top of the cubicle. The main bus bar can carry current upto 1000A and are made of electrolytic grade copper & shall be vertically placed one after another. The bus bars should be air insulated but must be HT PVC sleeved & color coded for R-Y-B. No live parts should be accessible. All joints should be covered with monoplast compound and color coded for easy identification. The feeder connection to the busbars are preffered to be encapsulated.

BREAKER

The vacuum circuit breaker is mounted on a truck and is of horizontal isolation and horizontal drawout/Vertical isolation & horizontal drawout type having a robust motorized mechanism. The spring charge cycle duty of mechanism is O-C-O. The vacuum circuit breaker is single break design and have one vacuum interrupter per phase. The vacuum interrupter should not be of pinch tube type design, it should be sealed by brazing in a vacuum oven & all the vacuum interrupters must be segregated in a cast resin housing. The minimum operational life of the vacuum interrupter is 30,000 mechanical, 10,000 electrical at rated current & 100 at rated short circuit. The breaker is having auxiliary switch 6NO+6NC.

EARTHING

A continous copper earth bus runs across the entire length of the switchboard. All doors partitions, covers and non current carrying metallic parts are earthed to achieve earth potential for the entire enclosure. Terminals are provided at each end of the earth bus to connect the grid earthing. If integral earthing facility is not available separate earthing truck shall be provided for earthing.

INTERLOCK

The circuit breaker can be operated only in service/test position and not in any intermediate position, beside fully isolated condition.The circuit breaker cannot be inserted into service position in closed condition and cannot be removed from service unless it is in open condition. The circuit breaker cannot be moved from test position to service position unless auxiliary plug is engaged and auxiliary plug cannot be disengaged if the breaker is in service position. If earth switch is provided it shall be mechanically interlocked with the breaker so that both the devices can not be 'ON' simultaneously.

CURRENT TRANSFORMER

The current transformer should be tape wound type fastened on a cast resin bar primary for primary current rating as specified to facilitate easy replacement in case of an unforeseen damage during service. Cast resin encapsulated current transformer below 200A CT with multicore arrangement is acceptable. Metering core should be of class 1.0 & protection core shall be of class 5P10. The CTshould have at least 25% over capacity than total connected load. The CT should be capable to withstand the rated full short circuit current for minimum 1 second.

POTENTIAL TRANSFORMER

The potential transformer is drawout type with HRC fuses provided in both the sides of primary & secondary. There should be provision for replacing the primary fuse in a line connected PT when the circuit is in live condition. Hence line connected PT mounted in a breaker carriage is not acceptable. The PT shall be cast resin moulded & insulated type encapsulated & 3- phase type with Y-Y connection. It should be of class 1.0 with over-voltage factor 1.2 conntinuous for a solidly grounded system. For PT unearthed system should be rated for the over-voltage factor of 1.9 for 8 hours. P.T is in the VCB chamber truck.

METER

The indicating meters are of digital type & 96x96 sq.mm.

Digital Multi Function Meter.

RELAYS

Combined Numerical Relay of SCADA-compatability with following protection function:-50, 50N, 51, 51N, 37, 46, 46BC, 49, 50BF, 64N, 68, 86 and 95

Master Trip Relay

INDICATION

Blue/White Indicating lamps for ON / OFF /TRIP /SPRING CHARGE /TRIP CKT HEALTHY indication in the panel.

TESTING

The fully assembled switch board shall be offered for routine testing as per provision of IS standards mentioned above. The manufacturer should submit closing & tripping time curve after testing on a breaker analyzer. For major boughtout components like CT, PT, meters & relays the routine test certificates of the respective manufacturers need to be submitted.

SINGLE PANEL VCB COMPRISES OF :

1 No. VCB Panel equipped with 800A Vacuum Circuit Breaker with the following accessories:

a) 3 Phase 3 limb draw type line PT 11KV/RT3 /110V/RT3, 200VA Cl - 1 with fuses for primary & secondary circuit - 1 no.

b) Epoxy Cast, Dual Core CT having CT ratio 50-25/5+5 with CORE1:15VA, Class -1.0 CORE2:15VA, Class - 5P10, STC - 25ka for 1 sec- 3 nos.

c) Shunt Trip Coil of 110V DC- 1 no.

d) LED type indicatiing lamp for VCB ON/OFF, CB Trip, Springe Charge, Trip Ckt Healthy- 5 nos.

e) LED type RYB Phase indication lamps-- 1 set

f) Cubicle Panel illumination lamp.- 1 set

g) Push Button for Emergency Trip- 1 no.

k) Digital Multi Function Meter- 1 no.

l) Combined Numerical Relay of SCADA-compatability incl. providing necessary software with following protection function:-50, 50N, 51, 51N, 37, 46, 46BC, 49, 50BF, 64N, 68, 86 and 95 with programmble in-built LED indicating lamp --- 1 set.

m) Master Trip Relay Type VAJH13- 1 no.

n) Trip circuit Supervision relay type-VAX31 --- 1 no. o) Antipumping relay -- 1 no. p) 6/8 Window Annunciator -- 1 set

q) Local Remote/T-N-C/Motor On-Off/Heater On-Off Switch- 4 set.

r) MCB for control supply-AC/DC -- 2 sets

s) HRC control fuse & link as per scheme-- 1 set t) 110V DC Hooter- 1 no.

u) Power Pack with capacitor back-up for 110V DC control supply for Closing & Tripping Coil, Relays, Indication Lamps- 1 no. Power pack to be fed from the secondary side of the Potential Transformer.

w) Panel space heater with thermostat-- 1 no.

x) Panel Illumination lamp - 1no.

Supply and delivery of 11kV/433V, Dyn11, 500 kVA three-phase Cast Resin dry type Indoor Power Transformer – AN cooling as per IEC 60076-11/ IS 11171 with latest amendment. The Transformer should be suitable for Environmental class- E2, Climatic class-C1 and Fire behaviour class-F1 as defined in IEC 60076. E2 and the same should be indicated on the rating plate. Links / Tappings:- Off circuit Links, tapping range +5% to -5% in steps of 2.5% Tap position. configuration diagram shall be provided. ( Make: Raychem RPG/Voltamp (Baroda) /Universal Power Transformer Pvt. Ltd./ABB/Crompton Greavesas approved by E.I.C)

Rating:- 500 KVA, 3 phase, 50Hz, Delta / Star Type:- Cast Resin type (CRT), three phase, copper wound, air cooled dry type. Voltage ratio:- 11000V / 415 Volt Rated frequency:-50 Hz Rated primary voltage:- 11kV Rated primary insulation level:- 12kV Basic Impulse Level (BIL):- 75kVp Separate source Power frequency Withstand Voltage for 1minute:--(a) For HV:- 28 KV RMS and (b) For LV:- 3KV RMS Links/Tappings:- Off circuit Links, tapping range +5% to -5% in steps of 2.5% Tap position configuration diagram shall be provided. Cooling:- Air Natural (AN) Painting:- As per IS 5 (Painted with synthetic enamel) Vector Group:- Dyn 11 Class of Insulation:- Class F Transformer overloading with time duration should comply IEC-60076-Part-12

The core materials should be CRGO low loss silicon steel. The core and coil assembly shall be securely fixed in position so that no shifting or deformation occurs during movement of transformer or under short circuit stresses. Transformer losses should be maintained as per latest ECBC guidelines. Maximum allowable Total losses should not be more than 2800W at 50% load and 7200W at 100% load. Transformer losses shall be guaranteed such that actual value does not exceed guaranteed value beyond the said allowable value, otherwise the transformer will be rejected. The purchaser, at this direction, may send the equipment at CPRI/Govt. laboratories, to check the actual loss, if they so desire. All the test charges will have to be borne by the supplier.

Maximum ambient temperature 50 °C Temp. rise:- 90° C over ambient of 50°C Secondary voltage at no load - between phases 433V % Impedance:- 4.5% (as per latest ECBC guidelines) Maximum altitude 1000 m HV winding temperature class F LV winding temperature class F Climatic classification C1 Environmental classification E2 Fire behaviour classification F1 Enclosure:- Yes, Neutral Terminal:- 2 nos. Index of protection : IP23(Indoor ) Fitings Winding temperature Scanner, Temperature indecator Thermal protection relay, electronic converter type, R & D Plate , Liftings Lugs , Bi- direction rollars , Marshalling Box, Inspection cover & accessories as per IS Primay Side Termination : Cable Termination suitable for 3 core 300 sq.mm.11KV XLPE HT cable Secondary Side Termination : Upward rising Terminals for Cable Termination suitable for 1.1KV grade 3-RUN 3.5 core 300 sq.mm. XLPE/ Ar. Al. cable

Erection / Installation of 11/0.415 KV, 500 KVA Power Transformer including carriage within a lead of 30 Mtr. by placing in position & fixing after levelling, fitting & checking up instruments & relay set. & instrument test of all instruments and obtain final approval from the Inspector of Directorate of Authority required for making Electrical Structure & commissioning complete.

Erection/ Installation of Single panel, cubical type H.T. switch gear with -PT incl. carriage within a lead of 30 mtr. by placing in position, assembling, lining up, levelling and fixing on floor, fitting & checking all instruments, relays correctly set according to requirement.

Making testing arrangement & submitting the test report for high voltage testing of specified voltage incl.checking & testing of all HT / LT equipmens (relay setting, vector group, magnetizing balance, magnetizing current, Routine tests etc) as per requirement of Directorate of Electricity and commissioning the installation after obtaining the approval of Directorate of Electricity.

Supply & laying of 11 kV(UE) grade 3 core 300 sq.mm. XLPE HT cable with Al. conductor from between gear of utility company to consumer's gear and consumer's gear to transformer to be laid through existing masonry trench as per G.S. as per direction of EIC. (Make - NICCO / Gloster/ Havells/KEI as approved by E.I.C)

Supply of 4/3.5 Core XLPE Insulated & Sheathed Armoured Aluminium Conductor cables for Working Voltage up to 1100 Volts of following sizes [ Make NICCO/ Gloster/KEI/Havells as approved by E.I.C]

3-RUN 3.5 core 300 sq.mm. XLPE/ Ar. Al. cable

3.5 Core 120 Sq. mm

Laying of cable in underground trench as per GS for the following numbers of Cables.

Above 35 and upto 185 Sq. mm [ 1(b)/ F- 2 ]

Laying of one cable above 150 sqmm and upto 300 sqmm through existing covered masonry trench incl. taking out RC covers, setting them in order, mending good the damages filling the trench with fine dry sand incl. supplying sand [ 4(b)/ F- 3 ]

Laying of one cable upto 150 sqmm through existing covered masonry trench incl. taking out RC covers, setting them in order, mending good the damages filling the trench with fine dry sand incl. supplying sand. [ 4(a)/ F- 3 ]

Supplying and fixing compression type gland and finishing those for following XLPE / PVC armoured cable (2/4/3.5) Core as per GS.

3.5 Core 120 Sq. mm [7(d)/F4 & 8(b- xix) /F5]

S & laying 240 sq. mm. single core multistrand PVC insulated flexible Cu cable in following manners from earth electrode to neutral earth busbar and from earth busbar to transformer neutral point as required (for transformer neutral earthing)

a) Through prelaid GI pipe protection pipe from earth electrode to earth busbar

b) through PVC flexible pipe(reinforced) of suitable size from earth busbar to transformer neutral partly concealed in floor & partly on wall/surface with saddles etc. incl. S&F PVC felixble pipe as required

Finishing the cable ends by crimping method incl. S&F copper socket, insulating tape and jointing materials etc. as required suitable for single core 240 sq. mm. copper wire.

Jointing of H.T. cable of 11 KV grade 3 core 300 sq.mm. XLPE Ar. Al. cable incl.supply of necy. jointing materials & compound (Heat shrink cable jointing kit of approved make) for switchgears & transformer terminations on H.T. sides incl. testing as per G.S.

S & F compression type gland complete with brass gland, rubber ring for dust & moisture proof entry of 3.5 core 300 sq.mm. PVC/A Al. cable incl. finishing the ends by crimping method as per G.S.

Earthing with 65 mm dia GI pipe (TATA-Medium)x 3.0 Mts. long and 1 x 19/10 stranded GI (Hot Dip) wire (4 Mts. long), 20 mm dia x 125 mm long galvanized bolt, double nuts, double washers including socketing at both ends of stranded GI (Hot Dip) wire by crimping sockets/ thimbles and S & F 40 mm dia GI pipe (ISI-Medium) protection (3 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level to an average depth of 3.65 Mts. as per GS. [2(c)/G-1] [for Transformer body − 2 nos., Consumer Gear − 2 nos., 2 nos. L.T. Panel board- 4 nos.]

Earthing with 80 mm dia GI pipe (TATA-Medium)x 3.0 Mts. long and 1 No. 65 mm x 8 mm galvanized (Hot Dip) steel strip (4 Mts. long), 20 mm dia x 125 mm long galvanized bolt, double nuts, double washers including finishing both ends by making holes etc. and S & F 80 mm dia GI pipe (ISI-Medium) protection (3 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level to an average depth of 3.65 Mts. as per G.S [2(b)/G-1] [For Transformer neutral − 2 nos.]

Extra for providing masonery enclosure on the top of the earth electrode of overall size 86.36 cm x 86.36 cm x 46 cm deep (below Ground level) complete with cemented brick work(1:6) of 25 cm width duly plastered with cement morter (inside) CI hinged inspection cover of size 36.56 cm x 35.56 cm with locking arrangement, GI reducer including drilling of 46 nos. 12 mm dia holes on the GI pipe. [3(a)/G-2]

Extra treatment of soil by using salt & charcoal for pipe electrode as to G.S. [3(b)/G-2]

Supply & fixing earth busbar of galvanized (Hot dip) MS flat 65 mm x 8 mm on wall having clearence of 6 mm from wall incl. providing drilled holes on the busbar complete with GI bolts, nuts, washers, spacing insulators etc. as required. [4(d)/G-2]

Supply & fixing of earth busbar of Galv. (Hot dip) M.S. flat of 50 mm x 6 mm on wall having clearence of 6 mm from wall incl. providing drilled holes on the busbar complete with GI bolts, nuts, washers, spacing insulators etc. as required. [4(c)/G-2]

Insulating the 65 x 8 mm GI flat incl. S&F black heat shrink PVC sleeves etc. The PVC tube sleeve to be inserted on the GI flat and heat shrinked by heating apparatus by skilled technician carefully without damaging the PVC sleeve as per direction of the EIC (for transformer neutral earth bus bar)

Connecting the equipments body to earth busbar incl. S & F 50 mm x 6 mm Galvanized (Hot Dip) MS flat on wall/floor with GI saddle as required and connection to equipments with incl. drilling holes, bolts, nuts,washers etc. [5(e)/G-3]

Supply & fixing 75x45 mm "C" channel having length of 2 mtr. each channel incl. nuts, bolts and washer etc.

Supplying & Fixing 40 x 6 mm MS flat having length 1 ft. (approx.) for supporting of 3.5 core 300 sq.mm XLPE/PVC/A Al. cable complete with back clamp, nut & bolt with double washer etc.

S & F special type earth electrode clamp made of GI flat with nuts, bolts, washer etc. suitable for 80 mm dia GI pipe earth.

S & F CO2 fire extinguiser (4.5 kg. capcity) (Surex / Fireshield / Max Well) on wall with necessary MS bracket as per G.S. incl. mending good the damages to original finish.

S & F 9 liter capacity fire bucket on wall with necy. M.S. bracket incl. mending good the damages.

S & F best quality FIRST AID BOX (Al. body) as per PWD specification, complete with all the items as required by rule of sub-station on MS bracket incl. damages to original finish.

S & F 'shock treatment chart' on wall with necessary screws.

S & F 11 / 6 KV grade rubber hand gloves.

S & fixing 6' x 3' x 1/2" rubber mat suitable for 11KV sub-station (Best quality & ISI approved).

S & drawing 1.1KV grade 4 core 2.5 sqmm. PVC/Ar. copper cable from transformer's WTI relay to VCB WT relay Relay for power & control supply.

S & drawing 1.1KV grade 2 core 2.5 sq.mm. PVC insulated F.R copper conductor from Power DB to VCB.

Finishing the end of 2.5sqmm. PVC insulated copper conductor by crimping arrangement as to G.S.

Making necessary internal connection from Transformer winding temperature relay to VCB WT Relay and Power DB to VCB including making connection etc. complete by expert HT Personal including testing, commissioning etc.

Main LT Panel Board

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. (Main LT Panel Board) [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 :-

i) 415 V, 800A, 50 kA 4(four) pole electrically draw- out type A.C.B. with Microprocessor-based protection release. (Make – L & T, Cat no.- SL96072 or equivalent model of SIEMENS) ------1 no.

Bus bar Section :-

500V, 1000 Amp capacity 99.9% – 99.5% electrolytic tinned 4 bar copper bus bar [size of flat- 3x 60 mm x 10 mm + 1x 60 mm x 10 mm] 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, 400A TPN Switch Disconnector Fuse unit with DIN type HRC Fuses (Make – L&T, Type- FN 400 TPN, Cat No.- SK95481 or equivalent model of SIEMENS/ABB) in open execution ----- 2 Nos.

b) 415V, 250A TPN Switch Disconnector Fuse unit with DIN type HRC Fuses (Make – L&T, Type- FN 250 TPN, Cat No.- SK95642 or equivalent model of SIEMENS/ABB) in open execution ----- 5 Nos.

c) 415V, 200A TPN Switch Disconnector Fuse unit with DIN type HRC Fuses (Make – L&T, Type- FN 200 TPN, Cat No.- SK95418 or equivalent model of SIEMENS/ABB) in open execution ----- 2 Nos.

d) 415V, 125A TPN Switch Disconnector Fuse unit with DIN type HRC Fuses (Make – L&T, Type- FN 125 TPN, Cat No.- SK95001 or equivalent model of SIEMENS/ABB) in open execution ----- 2 Nos.

e) 415V, 63A TPN Switch Disconnector Fuse unit with DIN type HRC Fuses (Make – L&T, Type- FN 63 TPN, Cat No.- SK95421 or equivalent model of SIEMENS/ABB) in open execution ----- 2 Nos.

f) 32 Amp DP MCB --- 2 Nos.

g) E.I. Danger Board of suitable size ------- 1 No.

Metering Panel :-

a) Multipurpose Meter Digital Type Load Monitor ( Make L&T, Cat No. - WL442011OOOO) - 1 No.

b) LCD single function Meter ( Make L& T, Model- Cat No.-WL111020OOOO or equivalent)- for ammeter --- 3 nos.

c) LCD single function Meter ( Make L& T, Model- Cat No.-WL112020OOOO or equivalent) for voltmeter-- 3 nos..

d) Indicating LED Lamp with colour glasses showing (Red/Yellow/Blue/Amber) (Make- Siemens, Cat No.- 3SB5285-6HC03, 3SB5285-6HD03, 3SB5285-6HF03 or equivalent) - 2 Set.

e) 800/5 Amp ratio C.T (Kappa or equivalent) --- 3 nos.

f) Supplying & Fixing 6 Amp SP MCB ---- 6 nos.

g) Slide lock fuse ---- 3 nos.

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 all outgoing mains i.e., 400A, 250A, 200A, 125A & 63A TPN SDF are to be made by 4 x 50mm x 5mm, 4 x 30mm x 5mm, 4 x 25mm x 5mm, 4 x 25mm x 3mm Cu bars and 16 sq. mm flexible pvc insulated FR Cu cable respectively and also for metering arrangements are to be made by suitable size of Copper wire with proper socketing of the end of each wire leads.

Earthing :-

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. wire.

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.

All incoming/outgoing switches is to be properly lebeled on Acrylic sheet as per direction of EIC.

Emergency LT Panel Board

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 Switch :-

i) 415V, 250A FP MCCB with Microprocessor release (Make- L&T, Cat No.- CM92156OOOOX1 or equivalent model of SIEMENS/Legrand) with extended spreaded terminals (L&T- Kit CM92007OOOO- 8 Pcs) and Rotary Handle (L&T, Cat No.-- CM99829OOOO or equivalent model of SIEMENS / Legrand) -- 1 No.

Bus bar Section :-

500V, 300 Amp capacity 99.9% – 99.5% electrolytic tinned 4 bar copper bus bar [size of flat 3x40 mm x 5 mm + 1x40 mm x 5 mm] 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 Switches :-

a) 415V, 125A TPN Switch Disconnector Fuse unit with DIN type HRC Fuses (Make – L&T, Type- FN 125 TPN, Cat No.- SK95001 or equivalent model of SIEMENS/ABB) in open execution ----- 4 Nos.

b) 415V, 100A TPN Switch Disconnector Fuse unit with DIN type HRC Fuses (Make – L&T, Type- FN 100 TPN, Cat No.- SK95568 or equivalent model of SIEMENS/ABB) in open execution -----2 Nos.

c) 415V, 63A TPN Switch Disconnector Fuse unit with DIN type HRC Fuses (Make – L&T, Type- FN 63 TPN, Cat No.- SK95421 or equivalent model of SIEMENS/ABB) in open execution ----- 4 Nos.

d) 415V, 32A TPN Switch Disconnector Fuse unit with DIN type HRC Fuses (Make – L&T, Type- FN 32 TPN, Cat No.- SK95518 or equivalent model of SIEMENS/ABB) in open execution ----- 3 Nos.

e) 415V, 250A four pole on-load Change-over Switch Disconnector unit (Make – L&T, Cat No.- CO32500OOOO or equivalent model of SIEMENS/Havells/ABB) in open execution ----- 1 No.

Metering Panel :-

a) Multipurpose Meter Digital Type Load Monitor ( Make L&T, Cat No. - WL442011OOOO) - 1 No.

b) LCD single function Meter ( Make L& T, Model- CAT NO.WL111020OOOO or equivalent)- for ammeter --- 3 nos.

c) LCD single function Meter ( Make L& T, Model no..WL112020OOOO or equivalent) for voltmeter-- 3 nos..

d) Indicating LED Lamp with colour glasses showing (Red/Yellow/Blue/Amber) (Make- Siemens, Cat No.- 3SB5285-6HC03, 3SB5285-6HD03, 3SB5285-6HF03 or equivalent) - 2 Set.

d) 250/5 Amp ratio C.T (Kappa or equivalent) --- 3 nos.

e) Supplying & Fixing 6 Amp SP MCB---- 6 nos.

f) Slide lock fuse---- 3 nos.

g) E.I. Danger Board of suitable size ------- 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 all outgoing mains i.e., 125A, 100A, 63A & 32A TPN SDF are to be made by 4 x 25mm x 3mm, 4 x 20mm x 3mm Cu bars, 16 sq. mm and 10 sq. mm flexible pvc insulated FR Cu cable respectively and also for metering arrangements are to be made by suitable size of Copper wire with proper socketing of the end of each wire leads.

Earthing :-

A separate continuous aluminum earth busbar of size 50mm x 6mm shall run across the full length of the panel board and brought outside the panel. All electrical equipment are to be properly earthed with suitable size G.I. wire.

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.

All incoming/outgoing switches is to be properly lebeled on Acrylic sheet as per direction of EIC.

Hiring charges of 440V, 250kVA Three phase DG set with required cable of appropriate size to be supplied by the Contractor including 1 no. Electrician and 1 no. Operator per shift basis in each day to ensure supply of un-interrupted power at Hospital Building during execution of the job of Sub-station Augmentation and dismantling the same after completion of the work. The execution of the job for Sub-station Augmentation must be completed in all aspects within a maximum period of 07(seven) days considering shutdown period of 8(eight) hours in each day, otherwise for extra duration, hiring charges for 1 no. 250kVA DG sets incl. cost of fuel oil should be borne by the executing agency.

Carrying charges of the afore-said DG set incl. all materials, fuel oil from workshop to site & storage and also back to workshop after completion of the said job

Cost of running Diesel cum Fuel consumption for operation of the above-said DG set during period of execution of the job of Sub-station Augmentation.

Providing & Earthing of Generator Neutral & Body on hire basis with 50 mm dia GI Pipe 2.5 to 3 mtrs. Long and 6/8 SWG GI wire with galvanized nuts and bolts washer etc. below ground level on hire basis and dismantling the same after completion of the said job.

Providing on hire basis incl. supply/ drawing 1.1 KV grade 3.5/4 core 150 & 240sq.mm. PVC copper cable.

Providing on hire basis incl. installation of LT electrical panel with suitable size of bus-bar, Incoming & outgoing Main Switches, cables etc. as per existing/actual site/Hospital load requirement for connecting all the existing outgoing lines of the Hospital Building with hired DG set for feeding power and connecting through suitable size Change over Switch with DG sets including all inter connection by copper cable.

Disconnection from the Live Line, dismantling and removal of 250KVA oil type transformer after disconnecting the incoming & outgoing pvc armourd cable,earthing conductor etc and sifted to store with full care from technical point of view (Up to 500mtr by Hydra)

Internal E.I. of Sub-Station Building

Distribution wiring in 1.1 KV grade 2x22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed copper wire (Brand approved by EIC) partly in 20mm size PVC rigid conduit 'FR' (Precision make) [for ceiling portion only] and in 19mm bore, 3mm thick polythene pipe [for horizontal & vertical run embedded in wall], 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 on wall complete with 2 no. “Ph & N” copper bar incl. bakelite/ Perspex top cover 3 mm thick and incl. 175x100x65mm inspection box, making earthing attachment, painting the MS box and mending good the damages to original finish [only PVC Rigid Conduit on ceiling and remaining portion concealed]

Avg. run- 9 Mtr [ 5(d) / E-15 ]

Distn. wiring in 3 X 22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed single core stranded copper wire in 19 mm bore, 3 mm thick polythen pipe complete with all accessories embedded in wall to 240 V 5A 3 pin plug point as per GS with following average run.

On Board [ 4 (a)(i) / E- 10 ]

Supplying and fixing PVC Rigid Conduit 'FR' [Precision Make] of following sizes on wall, ceiling with saddles and other accessories as required and mending good damages to building works

20 mm size [ 7(a)/ E- 16 ]

Cutting Channel of required size on masonry wall by Electric operated cutting machine incl. supplying & fixing of heavy gauge Polythene pipe of following diameter as per GS.

19 mm dia 3 mm thick [ 6 (a)/ E- 3 ]

25 mm dia 3 mm thick [ 7 (a)/ E- 3 ]

Supplying and Drawing 1.1 KV single core stranded 'FR' PVC insulated & unsheathed single core stranded copper wire of the following sizes in the 19mm/25mm prelaid polythene pipe/PVC rigid conduit as per GS.

3 x (1.5 sqmm) [1(b) / E- 9 ]

2x(2.5 sqmm) + 1x(1.5 sqmm) [ 1(s) / E-9 ]

2x (6 sqmm) + 1x (4 sqmm) [1(y) / E- 9 ]

4x(10 sqmm)+2x (6 sqmm) [1(d1) / E- 9]

S & F solderless Copper socket by crimping of Copper wires.

a) 1.5 sq mm

b) 2.5 sq mm [9(i) / F-5]

c) 4 sq mm [9(ii) / F-5]

d) 6 sq mm [9(iii) / F-5]

e) 10 sq mm [9(iv) / F-5]

Supplying & Fixing sheet metal inspection box (16 SWG) of the following sizes(in mm ) flushed in wall & 3 mm thick bakellite cover as per GS

175 x 100 x 65 [11(c)/E-4 ,13(c)/E-5]

200 x 150 x 65 [11(d)/E-4 ,13(d)/E-5]

Supplying and fixing double door Horizontal TPN MCB Distribution board with IP-42/43 protection, concealed in wall as per GS. ( Make - Legrand/ Schneider/ Crabtree ) as per direction of EIC. )

4 Way [Make - Legrand, Enclosure-607715/ Schneider, Enclosure-A9HTND04 / Crabtree, Enclosure-DCDKTHODCW04 or equivalent cat of LT/Siemens as approved E.I.C] [14 / D- 10]

Supplying and fixing double-door SPN MCB Distribution Board with IP-42/43 protection, concealed in wall as per GS.

2+12 Way [Siemens Enclosure(8GB32102RC14)/ Schneider Enclosure-(A9HSND12) or equivalent model of Legrand / Crabtree] as per direction of EIC. [ 13 / D- 9 & D-10 ]

Supplying and fixing 240/415 V MCB Isolator on din rail of existing DBs and necessary connection as per GS [Make-Legrand/ Schneider/Siemens/ Crabtree/ L&T) as per direction of EIC.]

Supplying and fixing 240/415 V MCB of Breaking capacity 10kA & C characteristics on din rail of existing DBs and necessary connectionas per GS [Make-Legrand/ Schneider/Siemens/Crabtree/L&T) as per direction of EIC. ]

Supply & Fixing 240 V, 6A, plug socket with separate 6 A Piano key type switch (Brand approved by EIC) on sheet metal switch board embedded in wall incl. S & F 150x100x65mm MS (16SWG) switch board and bakelite / perspex top cover of 3mm thick by Brass screws aftermaking housing for switch by cutting bakelite /perspex cover and making necessary connections as required. [21 / E-6 ]

Supply & Fixing 240 V, 20A, plug socket with separate 20 A Piano key type switch (Brand approved by EIC) on sheet metal switch board embedded 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. [22 / E-6 ]

Supplying and fixing MCB SS enclosure with IP-20/30 protection, powder coated provision for two/four pole MCB, concealed in wall after cutting the wall & mending good the damages to original finish incl. painting, connection & provision for earthing attachment.

Supply & fixing of 240V, 50Hz Analog Time Switch (Make- L&T- GIC, Cat No. J648B1 or equivalent make/model of Havells/Hager) in existing 4 way SS enclosure for controlling the exhaust fan as per direction of EIC.

Supply and delivery of single/twin Industrial LED Batten luminaries incl. Supply of 1 no./2nos. 18W LED Tube

Twin fittings [Philips make Cat No. TMC-501 P1xT-LED 22W P3242 or equivalent make CG / Bajaj / Wipro] incl. 2 no. 18W Master LED Tube

Single fittings [Philips make Cat No. TMC-501 P1xT-LED 22W P3241 or equivalent make CG / Bajaj / Wipro] incl. 1 no. 18W Master LED Tube

Extra for suspension exceeding 25 cm with S&F additional 2 no. 20 mm dia EI conduit (14 SWG) supports & necy. PVC insulated wire and painting etc. as required by 2x24/0.20 mm (1.5sqmm.) flexible copper wire of 1.10 mt. length. [16/C-2]

Supply & Fixing angular batten holder (Anchor) on 75mm dia PVCround block / round bakelite on wall/ceiling as per GS [ 22/D-13 ]

Supply and fixing 14 W LED bulb (Bajaj/CG/Philips/wipro) on existing batten holder

Fixing only single/twin fluorescent/LED light fitting in the ceiling fixed with “L” type MS clamp for RC ceiling / MS pipe as per GS direction of EIC [ 17/C-2 ]

Fixing only single/twin florescent light fitting complete with all accessories Directly on wall/ceiling as per GS. [14d/C-2]

Supply of ceiling fans with burst-proof P2/S3 Capacitor complete with all accessories without regulator. ( Make - Usha-Striker Plus or equivalent model of CG/Orient)

1200 mm Sweep

Supply & fixing heavy duty Exhaust fan (Make-EPC or equivalent make) of followinng sizes 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.

15"( 380mm ) Speed 1420 RPM

Supply & Fixing GI sheet (20SWG) metal Cowl with MS flat iron frame & GI wire mesh on wall as per GS

Supply & Fixing Socket type fan regulator (Step type) (Brand approved by EIC) on existing sheet metal switch board with bakelite/perspex top cover by screw after making housing for regulator knob by cutting bakelite / perspex top cover incl. making necy. connections etc. [18(a)/E-6]

Fixing only ceiling fan complete with blades, canopy, fork, rubber bush etc as per GS [ 21 (a) / C-3 ]

S & F of MS down rod 14 SWG 20 mm dia MS conduit as per GS [NS]

Dismantaling the existing old damaged electrical wiring, panels, DBs, fittings & fixtures etc. with own tools & tackles and mending good the damages as to G.S as per direction of E.I.C.

Less cost of the existing old dismantled 11kV indoor distribution Sub-Station equipments with proper working condition within the premises of Chandannagar Sub-Divisional Hospital comprising of following mentioned items:-

11 kV, 3-phase, 400 A, short-circuit capacity of 18.4 kA for 3 sec, 50c/s for single panel HT Gear with OCB comprises of 3-Phase 3 limb draw type line PT 11KV/RT3 /110V/RT3 100VA and Dual Core CT having CT ratio 20/5/5A with CORE1:15VA, Class -1.0 CORE2:15VA, Class - 5P10, Type : “R-XL”, Burden : 15VA, STC - 18.4kA for 1 sec. [Make- Biecco Lawrie Ltd., Yr. of MFG.- 2003] incl. old HT cable with Al. conductor between gear of utility company to consumer's gear and consumer's gear to transformer.

Main L.T. cubical type fully compartmentalized distribution panel board having 1 no. 415 V, 800A, 50 kA 4(four) pole draw- out type A.C.B as main incomer, 3-Phase, 500V, 1000 Amp capacity electrolytic tinned 4 bar copper bus bar chamber and 12 way outgoing arrangement by means of 415V, 250A, 125A and 63A TPN Switch Disconnector Fuse unit respectively in open execution having 4 nos. each quantity [Make- GE Power Controls India Pvt. Ltd., Yr. of MFG.- 2003]

3-Phase, 415V Industrial Panel board for emergency power having incomer arrangement as 1 no. 200A and outgoing arrangement as 3 nos. 125A, 2 nos. 100A, 3 nos. 63A and 1 no. 32A TPN Switch Disconnector Fuse unit respectively in sheet steel enclosure and 500V electrolytic tinned 4 bar copper bus bar chamber. [Make- L&T, Yr. of MFG.- 2003]

Terms & Condition : Less cost Item No From 73.00 to 73.04 amount Rupees 215000.00 will be deduct from total Quated Amount as per Condition .

SHATABDI ENGINEERING AND CONSULTANCY

M/S. PROTIVA ELECTRIC WORKS