WBPWD/SEKHEC/CKHED/NIQ03/21-22

Amount

PART-A:- Development of new Sub-station and allied E.I. works incl. service connection charge

Supply, Installation, testing & commissioning of 11 KV 800 A, short-circuit capacity of 26.3 KA for 3 sec 3-panel HT Gear with VCBs as per Specification [Make - Schneider Electric/ SIEMENS/ABB/ Crompton Greaves/L&T] 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 26.3kA 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/L&T) is horizantal isolation & horizantal drawout/Vertical isolation & horizontal drawout with 3 compartments and is made of 2mm 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 when the removable portion is withdrawn.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 local power supply 230 V, 50 Hz, A.C. with remote operation compatibility. The shutter shall be gravity operated.

FRONT DOOR

The front door of the breaker should not be set as front. 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-43 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 insulated covered and color coded for easy identification.

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 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. [OEM Certificate to be provided]

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 wound type. Cast resin encapsulated current transformer below 150A CT with multicore arrangement is acceptable. Metering core should be of class 1.0 & protection core shall be of class 5P10. The CT should 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. The PT shall be cast resin moulded & insulated type encapsulated & 3- phase type with Y-Y/ ?-Y connection. It should be of class 1.0 with over-voltage factor 1.2 conntinuous for a solidly grounded system.

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 3427. 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.

THREE PANEL VCB COMPRISES OF :

(A) 1 No Incomer Panel equipped with 800A Vacuum Circuit Breaker with the following accessories:

a) 3 Phase 3 limb draw type line PT 11KV/110V, 100VA Cl - 1 with fuses for primary & secondary circuit - 1 no.

b) Epoxy Cast, Dual Core CT having CT ratio 150/5,5 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.[MAKE-ABB,SIEMENS, L&T]

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 220 Volt AC input & 110V DC continious output suitable for Closing & Tripping indication of HT panel Board with 2 nos 12 volt 100 AH maintenance free batteries, Charging unit for system complete with suitable capacity digital ammeter & voltmeter i/c connections with 2.5 sq.mm FRLS insulated copper conductor cable etc as required -1 Set

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

x) Panel Illumination lamp - 1no.

(B) 2 Nos outgoing panel equipped with 800A vacuum Circuit Breaker with following accessories:

a) Epoxy Cast, Dual Core CT having CT ratio 75-50/5,5 with CORE1:15VA, Class -1.0 CORE2:15VA, Class - 5P10, STC - 25ka for 1 sec- 3 nos.

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

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

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

e) Cubicle Panel illumination lamp.- 1 set

f) Push Button for Emergency Trip- 1 no.

h) Digital Multi Function Meter- 1 no.

Supply,installation,testing,commissioning of numerical relay [MAKE -Schneider/Areava/CGL ] for the H.T panel with necessary wiring required as per instruction of E.I.C.

j) Master Trip Relay Type VAJH13- 1 no.

k) Undervoltage Relay type VDG13 -- 1 no. l) Trip circuit Supervision relay type-VAX31 --- 1 no. m) Auxiliary relay for Transformer - VAA33 Wdg. temp. A/T indication ---- 3 no. n) Antipumping relay -- 1 no. o) 6/8 Window Annunciator -- 1 set

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

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

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

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

u) Panel Illumination lamp - 1no.

Supply, Installation, Testing & Commissioning of IP-43,11KV/415V 1000 KVA Dry type transformer as per specification below: (Make: Crompton / BHEL/ Volt-Amp (Baroda) / kirloskar/ABB/Raychem/Schneider) Applicable Standard:- IS 11171-1985 with latest modification (if any) & CBIP Specification Rating:- 1000 KVA, 3 phase, 50Hz, Delta / Star Type:- Cast Resin type (CRT), three phase, copper wound, air cooled dry type. Voltage ratio:- 11000V / 415 Volt 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 os Insulationf:- Class F Temp. rise:- 90° C over ambient of 50°C

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 shall be guaranteed as below:- No load loss : 2.2 KW Full load loss : 9.5 KW Efficiency (Minimum):- a) At Unity PF (i) 98.82% at full load (ii) 98.98% at 75% load (iii) 99.08% at 50% load Maximum Efficiency:- 99.08% at 48.12% i.e. 480 KVA Transformer losses shall be guaranteed on maximum basis i.e. without any positive tolerance. If the actual losses exceeds guaranteed losses by more than 10%, 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. If the measured loss under such testing at those laboratories exceed the guaranteed ones, all the test charges will have to be borne by the supplier.

Impedance:- 5% (Allowable tolerance as per IS) % Regulation:- a) At Unity PF (i) with full load : 1.07 (ii) with 75% load : 0.81 (iii) with 50% load : 0.54 b) At 0.8 PF Lagging (i) with full load : 3.77 (ii) with 75% load : 2.83 (iii) with 50% load : 1.88 Testing:- All Routine tests as per relevant IS have to be conducted at manufacturer’s works. The manufacturer should have in-house test facilities and should arrange for type tests i.e. impulse test & temperature rise tests on chargeable basis, if asked for.Terminal arrangement:- HV : cable box ;. LV : LV cable box Enclosure:- Sheet steel with protection, painting should be epoxy / as per latest standard with paint shade 631 of IS-5.Basic Insulation level for HV:- 75 KV pk, class of protection -IP-43

Temperature Scanner:- Transformer will be provided with 3 RTDS for sensing winding temperatures alongwith temperature scanners for display of winding temperature and with Alarm / Trip contacts.

transformer should be connected to LT panel by Bus duct

installation, testing & commissioning of different sub-station equipment alongwith different HT & LT cabling works within the sub-station

Supply & laying of 11 KV grade 3 core 240 sq.mm. XLPE(E) HT cable with Al. conductor from consumer's gear to transformer to be laid through masonery trench as per G.S. as per direction of EIC.(HAVELLS/POLYCAB/KEI/Gloster)

Jointing of H.T. cable of 11 KV grade 3 core 240 sq.mm. XLPE (E) cable incl.supply of necy. jointing materials & compound (Heat shrink cable jointing kit of approved make) for switch gear & transformer terminations on H.T. sides incl. testing as per G.S. [Raychem/Mseal/3M]

Supply and installation on wall/Ceiling mounted, testing commissioning of Air insulated bus duct assembly to fit transformer secondary L.V. terminal to L.T. Panel incl. Bends & flexible connectors, nut bolts etc. for use on 3 phase 4 wire 415V, 50Hz A.C. supply with enclosure, having IP 54 rating made of 2.0 mm thick steel duly powder coated in convenient sections complete with 4 nos aluminium bus bars 1600 Amp capacity at nominal current rating, necessary joints & expansion joints, fire barrier continious earthing with 2 Nos aluminium strip of suitable size (one on each side) including, G.I. clamping brackets, angle iron bracket, steel fasteners, connecting to earthing system etc as required.

Earthing with 80 mm dia GI pipe (TATA-Medium)x 6.0 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. incl. S&F 80 mm dia special type earth electrode clamp made of GI flat with nuts, bolts, washer etc. [For 2 nos. Transformer neutral ? 4 nos, 2 nos. transformer body ? 4 nos., consumer gear ? 2 nos., L.T. Panel board- 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.

Extra treatment of soil by using salt & charcoal for pipe electrode as to G.S.

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.

Connecting the equipment body to earth busbar incl. S & F 50 mm x 6 mm galvanized (Hotdip) M.S. flat on Wall/floor with G.I. saddle as required and making connection to equipments with incl. drilling holes, nuts, bolts & washers as per G.S.

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.

Supply & fixing 150x75 mm "C" channel having length of 2 mtr. each channel incl. nuts, bolts and washer etc on floor after cutting CC concrete & mending good the damages to original finish for fixing arrangement of transformer as per direction of EIC.

Supply & fixing 75x40 mm "C" channel having length of 2 mtr. each channel incl. nuts, bolts and washer etc on floor after cutting CC concrete & mending good the damages to original finish for fixing arrangement of HT 3 panel, LT panel as per direction of EIC.

Supply & fixing 75x40 mm "C" channel having length of 1 mtr. each channel incl. nuts, bolts and washer etc on floor after cutting CC concrete & mending good the damages to original finish for fixing arrangement of HT 3 panel,transformer and LT panel as per direction of EIC.

S& laying 240 sq. mm. single core multistrand PVC insulated flexible Aluminium 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. as required

Supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of single core XLPE/PVC armoured cables

Finishing the end of single core 240 Sq.mm XLPE/PVC armoured cables by crimping method incl. supplying and fixing solderless socket (Dowels make), tapes, anticorrosive paste & jointing materials

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 litre 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.[IS-13115-1991]

S & F 'shock treatment chart' duly mounted on wooden frame with 5mm thick glass on wall as required. [Approximate front area-1.2Sq.mtr]

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

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

Making testing arrangement and submitting the test report for high voltage testing of specified voltage incl. checking & testing of all HT / LT equipments by authorized firm of Directorate of Electricity & commissioning the installation after obtaining the Approval of Directorate of Electricity.

S & drawing 1.1KV grade 7 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 Power pack

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

Preparation & submission of a substation drawing (by AUTO-CAD) showing HT & LT cable ducts, Single line power diagram, EI layout, Earthing system (i.e. equipment and neutral earthing) etc. with elevation & plan as per requirements of DOE.All allied drawing, flowchart, bar chart and single line diagrams are also included.

Sub station LT Panel:

Supply, Installation, Testing & Commissioning 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 compartment with 40 x 40x6 mm angle iron). The base of panel should be made with 75mmx 40mm x 4.4 mm M.S. channel. Each compartment will be providing with hylam board at back side.[Main LT Panel board].cost of all necessary civil work such as making hole on wall, floor, additional and alternation of trench,supply & fixing of MS channel and making brick or RCC as required for the installation of testing and commissioning of 3 nos HT gear, Panel, 2 nos transformer, and LT panel etc. all are included in this estimate any additional cost should not be consider. All type of electrical accessories for fabrication of this L.T panel such as cable end box, connecting cable, wire, Cu bar, switches, heat dissipation fan and allied components as well as works also included.

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.

Incoming Arrangement :

i) 415 V, 1600A 4(four) pole 50 KA electrically draw- out type A.C.B. with Microprocessor-based protection release.with electromechanical interlocking Arrangement (Make – SIEMENS/Legrand/L&T/ABB) -----3 nos.

Bus bar section :

500V, 2400 Amp capacity 99.9% – 99.5% 4 bar Aluminium bus bar [size of flat 3x80 mm x 10 mm -4 nos] 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) 415 V, 800A 4(four) pole 50 KA electrically draw- out type A.C.B. with Microprocessor-based protection release. (Make – SIEMENS/ABB/L&T/Legrand) -----1 no.

b) 415V, 630Amps, 4 pole MCCB [36ka (Ics)] braking capacity with microprocessor release (LSING) and rotary operating handles along with 1 no communicable Digital multifunction meter(class 0.5) capable of display of current, voltage, KWH,PF MD with date & time stamp etc. woith provisin of RS485 port, 3 nos CTs for metering, CL-0.5, 3 nos indicating lamp (on/off/trip-2sets) (Make-SIEMENS/ABB/L&T/legrand)-4 nos.

c) 415V, 320 Amps, 4 pole MCCB [36ka (Ics)] braking capacity with microprocessor release (LSING)and rotary operating handles along with 1 no communicable Digital multifunction meter(class 0.5) capable of display of current, voltage, KWH,PF MD with date & time stamp etc. woith provisin of RS485 port, 3 nos CTs for metering, CL-0.5, 3 nos indicating lamp (on/off/trip-2sets) (Make-SIEMENS/ABB/L&T/legrand)-2 nos.

d) 415V, 250 Amps,4 pole MCCB [36ka (Ics)] braking capacity with microprocessor release (LSING) and rotary operating handles along with 1 no communicable Digital multifunction meter(class 0.5) capable of display of current, voltage, KWH,PF MD with date & time stamp etc. woith provisin of RS485 port, 3 nos CTs for metering, CL-0.5, 3 nos indicating lamp (on/off/trip-2sets) (Make-SIEMENS/ABB/L&T/legrand)-2 nos.

e) 415V, 160 Amps,4 pole MCCB [36ka (Ics)] braking capacity with microprocessor release and rotary operating handles along with 1 no communicable Digital multifunction meter(class 0.5) capable of display of current, voltage, KWH,PF MD with date & time stamp etc. woith provisin of RS485 port, 3 nos CTs for metering, CL-0.5, 3 nos indicating lamp (on/off/trip-2sets) (Make-SIEMENS/ABB/L&T/legrand)-3 nos.

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

Metering Panel

a)S & F 3 ph Commmunicable Multifunction metering (KWH, KW, KVA, MD, V, I, F, PF) with integrated RS 485 port for MODBUS RTU Class 0.5 accuracy, [Make : Legrand/ L&T/ Schneider]-3 set

b)230V R.Y.B. LED indicator lamp -(SIEMENS/L&T) ---- 9 nos.

c)1600/5 Amp ratio C.T (Kappa) --- 9 nos.

d) Supplying & Fixing 6 Amp SP MCB----9 nos.

e) Slide lock fuse---- 9 nos.

Interconnection :-

All interconnection between incoming main to Busbar are to be made with suitable size electrolytic tinned copper bars or equivalent flexible pve 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 :-

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 :-

S & F single phase Timer DB for automatic ON/OFF in 12 way SPNDB enclosure (Make-Legrand/L&T) and following accessorirs & wiring complete. i) 240V, AC, 32A, 2P Power contactor type MNX22-2P (Make-L&T)-1 Nos ii) Time switch FM Quartz Daily dial 15 minute interval settings (Cat No. J648 B1, Make- - L&T) -1no. iii) 25A, DP MCB (Legrand) - 1 Nos iv) 4 way terminal Block- 1No. v) 10A automatic Toggle switch - 1 no. vi) A.C. ON/OFF indicator- 1 set vii) ON/OFF push Button - 1set all interconnection wiring should be done with 1.5 Sq. mm FRLS copper wire end termination & making properly.

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.

Supply & fixing MS checker plate of 5mm thick after cutting & sizing by LPG Industrial gas & gas cutter and also providing arrangement of lifting checker plate by 3/8" MS rod handle as required to be fixed on as where as necessary by fixing angle iron frame overall side ( 75x40x40x5mm 'C' channel, 25mm x 5mm flat) on trench. The trench may be required to be cut, chipped, grooved , 6"x3/4" gap filling on all side by sand, cement & brick as required 1/4 stone chips making trench masonary works for MS checker plate to be set properly after work incl. mending good the damages to original finish as per instruction of E.I.C

Painting the above-said checker plate on both side by 2 coats of finish paint over 1 coat of R.O. primer as per direction of E.I.C

Cabling work from sub-station to different load points

Supply & Laying of 1.1 KV grade XLPE/PVC insulated. PVC sheathed, steel Armoured Al. conductor Cable (GLOSTAR/HAVELLS/POLYCAB/KEI/ RR KABEL) through masonary trench incl. mending good the damages to original finish & painting as per G.S. of the following size, and conforming to IS: 7098(Part-I):1988/1554(Part-I):1988/ 5831:1984/ 3961(Part-I):1967/ 3975:1970/ 10810:1984 / 3975:1970 /8130:1984/ 3961:1967/ 10418:1982 / 10810:1984 as amended upto date, in respect of component materials and tests.

a)2x 4 core 400 sq.mm

b) 3x4 core 240 sq.mm

b) 1x4 core 240 sq.mm

c) 2x4 core 240 sq.mm

d) 4 core 185 sp.m

e) 2x4 core 150 sq.mm

f) 4 core 150 sq.mm

f) 4 core 120 sq.mm

g) 4 core 95 sq.mm

h) 4 core 50 sq.mm

i) 4 core 25 sq.mm

j) 4 core 35 sq.mm

Supply & Laying of 1.1 KV grade XLPE/PVC insulated. PVC sheathed, steel Armoured Al. conductor Cable (GLOSTAR/HAVELLS/POLYCAB/KEI/RR KABEL) on wall/surface incl. S&F MS clamps incl. mending good the damages to original finish & painting as per G.S. of the following size, and conforming to IS: 7098(Part-I):1988/1554(Part-I):1988/ 5831:1984/ 3961(Part-I):1967/ 3975:1970/ 10810:1984 / 3975:1970 /8130:1984/ 3961:1967/ 10418:1982 / 10810:1984 as amended upto date, in respect of component materials and tests.

a)2x 4 core 400 sq.mm

b) 3x4 core 240 sq.mm

b) 1x4 core 240 sq.mm

c) 2x4 core 240 sq.mm

d) 4 core 185 sp.m

e) 2x4 core 150 sq.mm

f) 4 core 150 sq.mm

f) 4 core 120 sq.mm

g) 4 core 95 sq.mm

h) 4 core 50 sq.mm

i) 4 core 25 sq.mm

j) 4 core 35 sq.mm

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 :

a) 4 core 400 sq.mm

b) 4 core 240 sq.mm

c) 4 core 150 sq.mm

d) 4 core 120 sq.mm

e) 4 core 95 sq.mm

f) 4 core 50 sq.mm

g) 4 core 25 sq.mm

h) 4 core 35 sq.mm

i) 4 core 185 sq.mm

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 :

a) 4 core 400 sq.mm

b) 4 core 240 sq.mm

c) 4 core 150 sq.mm

d) 4 core 120 sq.mm

e) 4 core 95 sq.mm

f) 4 core 50 sq.mm

g) 4 core 25 sq.mm

h) 4 core 35 sq.mm

i) 4 core 185 sq.mm

Supply & fixing following sizes of medium gauge GI Pipe (ISI-Medium) protection with necessary fittings and jointing materials

a)150 mm dia

b)100 mm dia

Supply & laying 6" dia HDPE Pipe protection at a average depth of 900 mm below the ground level alongwith necessary fittings and jointing materials as required for laying HT cable from new sub-station building to existing sub-station.

Supply & fixing of MS cable tray made of 50X6mm angle and supporting patti between vertical and horizontal run by 50X6mm MS flat having dimension 375 mm vertical & 450 mm horizontal duly welded,drilled holes and the same fixed on wall by means of 3 nos 500mm length ISA 75X75X8 mm angle duly grouted on wall within a gap of 1Mtr. length incl. mending goods damages to original finish.

Cutting the hard metal rod by special tools and tackles and experienced mistri and labour in presence of PWD's Officers mending good to original finish with R.C.C or P.C.C as per E.I.C

Internal Electrical Installation work of Sub-station building

Supplying and fixing 415 V, 16-32A 6 way, TPN MCBDB with SS enclosure double-door with IP-42/43 protection with Four Pole Isolators as incomer and SPMCBs ('C' Curve, 10 kA) as outgoing, concealed in wall after cutting the wall & mending good the damages to original finish incl. Inter connection with suitable size of copper wire and neutral link & provision for earthing attachment incl.S &F 63A FP Isolator & 18 nos. 6-32Amp SPMCB. [Make-Legrand/ABB/SIEMENS/L&T/Schneider]

Supply & fixing double door sheet steel (16 SWG) Powder-coated cable-end box suitable for the above-said 6 way TPNDB on angle iron frame on wall & mending good the damages to original finish with nuts, bolts etc. incl. provision for earthing attachement.

S&F 415V 2+12 way double door SPN MCB Distribution board with IP-42/43 protection, concealed in wall after cutting the wall and mending good the damages to original finish incl. inter connection with suitable size of copper wire and neutral link & provision for earthing attachment, as per direction of the EIC. Incoming - 220V 40A DPMCB isolator(1no) Outgoing - 10KA 6-32A SPMCB-(12nos) [Make-Legrand/ABB/SIEMENS/L&T/Schneider]

S& Laying of 4x10+2x6 sq mm 1.1 kv single core stranded FR PVC insulated & unsheathed single core wire concealed in wall through 25mm polythene pipe & making necey. Connection as required incl. cutting channel and S &F 25 mm polythene pipe.(GLOSTAR/KEI/HAVELS/RR CABLE)

Supplying and Drawing 1.1 KV single core stranded 'FR' PVC insulated & unsheathed single core stranded copper wire (GLOSTAR/KEI/HAVELS/RR CABLE) of the following sizes concealed in the polythene pipe and by the prelaid GI fish wire and making necy. connection as required.

a) 2 x 2.5sqmm + 1 x 1.5 sqmm

b) 2 x 6 sqmm +1x 4sqmm

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

b) 2.5sqmm

c) 4 sqmm

d) 6 sqmm

e) 10 sq mm

S&laying 19mm dia 3mm thick polythene pipe under ceiling/beam synchroniging with roof / beam casting work of the building construction as per G.S.

S&fixing 2- way / 3 way/ 4-way G.I. circular box under ceiling/beam synchroniging with roof / beam casting work of the building construction as per G.S.

S&fixing 4’’(100mm dia) 14SWG G.I.Fan box under ceiling/beam synchroniging with roof / beam casting work of the building construction as per G.S.

Distn. wiring in 2x22/0.3 (1.5 sqmm)[Ph. & N] and 1x22/0.3 (1.5 sqmm) as ECC single core stranded 'FR' PVC insulated & unsheathed single core stranded copper wire (approved make) in 19 mm bore, 3 mm thick polythen pipe (for horizontal & vertical run in wall and celing portion through prelaid polythen pipe) complete with all accessories embedded in wall to light/fan/call bell points with Piano key type switch (Anchor make) fixed on sheet metal (16 SWG) switch board with bakelite/perspex (wall matching colour) top cover (3 mm thick) flushed in wall incl. mending good damages to original finish (Avg. Run-10 mtr.)

S & F of one 5A socket with controlled switch on switch board incl. making necy. connection as per G.S.

Supplying & fixing 240 V one (1) no. 20 Amp. plug Socket with separate 20A Piano key type switch (Brand approved by EIC) on sheet metal box with bakelite top cover embedded in wall incl. S&F 150x100x65 mm MS [16 SWG] 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 connection as required.

a) S & F of 250V 12" sweep 1420 RPM heavy duty A.C. exhaust fan complete with frame, legs & louver shutter etc. after cutting wall & making hole incl. S & F nut, bolt, washer & fixing the louver shutter and providing necy. length of PVC insulated copper wire for making connection and mending good the damages to original finish. [Make - EPC]

Supply Twin LED T/L fittings( Philips TMC 501 P 2xT-LED 22W P3242) incl. 2x MAS LED tube (PC body) 1200mm 18W865 T8 I --2100 lm.)

Fixing only single/twin florescent light fitting suspended 25 cm bellow the ceiling with 2 No. 20 mm dia EI conduit (14 SWG) supports fixed with “L” type MS clamp whose one side fixed by 2 nos steel bullet fastner nut-bolt and other side connected with the suitable size of bolts and nuts incl. S&F EI conduit “L” type (125mmx125mm) 6mm thick and 25mm with MS clamps and connecting the length of PVC insulated Cu flexible wire and mending good damages to original finish and painting etc.

Fixing only single / twin / fluo light fittings complete with all accessories directly on wall / Ceiling with HW block and suitable sizes MS fastner/"Z" GI clamp, ceiling plates, nipples etc. as reqd.

Supply & delivery of 250 volt. 48" (1200 mm) sweep A.C. Ceiling fan having safety wire , P2 type capacitor incl. down rod, canopy & fan blades etc. complete with all accessories (without regulator) & having Double Ball Bearing & Low Noise. [Make - Crompton HB+ or HS+/Orient Energy star/Usha Striker]

Fixing only ceiling fan complete with blades , canopy as per G.S.

S & F of R.C. Fan clamp (as per PWD Specification) by cutting roof and mending good all the damages to orginal finish.

Sypply & fixing 14 SWG 600mm fan down rod suitable for AC ceiling fan.

Extra for supply additional wire for down rod & painting the rod exceeding 30cm by 2x1.5 sq. mm flexible copper wire.

S & F of socket type fan Regulator (Step type) (Anchor) on existing sheet metal switch board with bakelite/perspex top cover by screw after making housing for regulator knob by cutting bakelite/perspex cover incl. making necy conncetion etc.

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 flexible copper wire of 1.10 mt. length

Feeder Piller- I

Design, Manufacture, testing, supply and commissioning of Double door outdoor type Distribution Feeder Pillar box (1200 mmx1000 mm x800 mm ) conforming to Indian Standard IS : 5039-1969 with latest amendments,suitable for use on 3 phase 4 wire, 400/440 Volts 50 Cycles A.C. Supply and shall be suitable to be fabricated as per design & drawing to be approved by EIC. The Enclosure shall provide Degree of protection IP -66 respective Indian standard (IS) .

The body will be fabricated with 3mm thick MS plate, MS angle ( 50X50X6) & MS Flat ( 50X6 ). The top of the box will be fitted with a sloping canopy made out of 3 mm thick sheet steel. It will have double hinged door at the front and back with suitable locking arrangement ( Godrej Type ) and provision for manual locking arrangement also.

Adequate ventilation by means of louvers with wire mesh shall be provided at the top and bottom of both sides of LT pillars.The inside & outside will be painted by 1 coat of Redled / zinc chromate painted by 2 coats of synthetic enamel paint over 1 coat of Redled / zinc chromate. A hylam sheet of 10mm thick of suitable size will be fitted for holding the switches and accessories ,that will be supplied and fixed as specified below by making necessary interconnection by required sizes CU wires & Epoxy paintings as per direction of EIC.

The following 415 / 230 Volt Cubicle Type switches with fuses & accessories will be fixed in the panel. All MCCB/SFU will be Legrand /Simens/L&T /ABB Make and as per manufacurers standard )

Incoming

(i) 415 V, 315 Amps, 4 Pole MCCB [36 kA (Ics)] breaking capacity, with microprocessor release and rotary operating handles along with 1 no. Communicable Digital Multifunction Meter (class 0.5) capable of display of Current, Volt, KWH, PF, MD with date & time stamp etc. with provision of RS-485 port, 3 nos -CT's for metering;CL: 0.5 , 3 nos-Indicating Lamp (On/Off/Trip . -2 sets) - 1 No.

Busbar

500V, 625 Amp capacity Aluminium Bus Bar [size 50x10 mm] with desire length 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.

outgoing

(i) 160 Amps, 415 volts, 4 Pole MCCB [36 kA (Ics)] breaking capacity, with microprocessor release and rotary operating handle with 3 nos-Indicating Lamp (On/Off/Trip . -2 sets)- 3Nos.

(i) 125 Amps, 415 volts, 4 Pole MCCB [36 kA (Ics)] breaking capacity, with microprocessor release and rotary operating handle with 3 nos-Indicating Lamp (On/Off/Trip . -2 sets)- 2Nos.

(i)63 Amps, 415 volts, 4 Pole MCCB [36 kA (Ics)] breaking capacity, with microprocessor release and rotary operating handle with 3 nos-Indicating Lamp (On/Off/Trip . -2 sets)- 2Nos.

ACCESSORIES

(i) LED TYPE INDICATION LAMP FOR "ON, OFF", for all out going circuit

ii) 6A SP control MCB -- As required

iii) E.I. Danger board - 1 No.

iv) 9 Watt LED Lamp - 1 No

Foundation

Construction of foundatio for feeder pilarbox should be made by PCC or Brick.Depth of foundation should be 2ft below the ground level and 2.5 ft above the ground level.Thickness of the foundation will be minimum 10 inch with net cement finish.Size will be according to suitable for above pilar biox.The foundation should be withstand critcal load of feeder pilar box.with factor of safty as per G.S.

Feeder Piller- II

Design, Manufacture, testing, supply and commissioning of Double door outdoor type Distribution Feeder Pillar box (1200 mmx1000 mm x800 mm ) conforming to Indian Standard IS : 5039-1969 with latest amendments,suitable for use on 3 phase 4 wire, 400/440 Volts 50 Cycles A.C. Supply and shall be suitable to be fabricated as per design & drawing to be approved by EIC. The Enclosure shall provide Degree of protection IP -66 respective Indian standard (IS) .

The body will be fabricated with 3mm thick MS plate, MS angle ( 50X50X6) & MS Flat ( 50X6 ). The top of the box will be fitted with a sloping canopy made out of 3 mm thick sheet steel. It will have double hinged door at the front and back with suitable locking arrangement ( Godrej Type ) and provision for manual locking arrangement also.

Adequate ventilation by means of louvers with wire mesh shall be provided at the top and bottom of both sides of LT pillars.The inside & outside will be painted by 1 coat of Redled / zinc chromate painted by 2 coats of synthetic enamel paint over 1 coat of Redled / zinc chromate. A hylam sheet of 10mm thick of suitable size will be fitted for holding the switches and accessories ,that will be supplied and fixed as specified below by making necessary interconnection by required sizes CU wires & Epoxy paintings as per direction of EIC.

It will be installed on roof of the building as per direction of the Engineer-in-charge. The following 415 / 230 Volt Cubicle Type switches with fuses & accessories will be fixed in the panel. ( All MCCB/SFU s Legrand /Simens/L&T/ABB Make and as per manufacurers standard )

Incoming

(i) 415 V, 315 Amps, 4 Pole MCCB [36 kA (Ics)] breaking capacity, with microprocessor release and rotary operating handles along with 1 no. Communicable Digital Multifunction Meter (class 0.5) capable of display of Current, Volt, KWH, PF, MD with date & time stamp etc. with provision of RS-485 port, 3 nos -CT's for metering;CL: 0.5 , 3 nos-Indicating Lamp (On/Off/Trip . -2 sets) - 1 No.

Busbar

500V, 625 Amp capacity 99.9% – 99.5% Aluminium 4 Nos bus bar [size 50X10 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.

outgoing

(i) 200 Amps, 415 volts, 4 Pole MCCB [36 kA (Ics)] breaking capacity, with microprocessor release and rotary operating handle with 3 nos-Indicating Lamp (On/Off/Trip . -2 sets)- 2Nos.

(i)63 Amps, 415 volts, 4 Pole MCCB [36 kA (Ics)] breaking capacity, with microprocessor release and rotary operating handle with 3 nos-Indicating Lamp (On/Off/Trip . -2 sets)- 5Nos.

ACCESSORIES

(i) LED TYPE INDICATION LAMP FOR "ON, OFF", for all out going circuit

ii) 6A SP control MCB -- As required

iii) E.I. Danger board - 1 No.

iv) 9 Watt LED Lamp - 1 No

Foundation

Construction of foundation for feeder pilarbox should be made by PCC or Brick.Depth of foundation should be 2ft below the ground level and 2.5 ft above the ground level.Thickness of the foundation will be minimum 10 inch with net cement finish.Size will be according to suitable for above pilar biox.The foundation should be withstand critcal load of feeder pilar box.with factor of safty as per G.S.

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 diax 80 mm long GI bolts, double nuts, double washers incl. S &F 15 mm dia GI pipe protection (1 Mts. long) to be filled withbitumen partly under the ground level and partly above groundlevel driven to an average depth of 3.65 Mts. below the ground level as below:

a) By ISI-Medium GI pipe

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 (make:- L&T)

Supplying and fixing 415V, TPN SFU with sheetsteel enclosure on flat iron/angle iron frame on wall/exsiting feeder piler with nuts bolts etc incl. S & F 3 nos. DIN type HRC fuse as per rating. [Make-L&T/ Siemens/Havells/Standard]

S&F 415V 125 A 25kA 4 pole MCCB on angle iron frame in the feeder piler box by electric operated welding and drill machine after disconnecting the electrical line and reconnection same as per direction of EIC (Make: L&T cat No-CM9063400M0, type-DU250C125-160)

S&L of PVC insulated Single Core 35 Sqmm flexable Copper wire in the exsiting feeder piler box as per direction of EIC.

Finishing the end by sholderless copper socket by crimping method as per GS of single core 35 Sqmm.

Fixing only outdoor / street light type fluorescent light fitting complete with all accessories to be fixed/projected from the wall of the building incl. making holes to building, S&F 40 mm dia GI pipe (ISI-Medium) 1.50 mts. average length, with GI socket at one end and thread at the other end & suitable bend to house the fitting & making necy. connections with S&F necy. length of 1.5 sqmm PVC insulated single core stranded annealed copper wire and making connections as required and mending good damages to wall and painting.c-3,19

supply of 90 watt compound light ,Green line V2,type-BRP409 LED115 CW SLC FG PSU GR V2

Supplying & Fixing GI waterproof type looping cable box size 200x150x100 mm deep having 4 mm thick comprising of one 250 V 15 A kit-kat fuse unit, one NL on porcelain insulator, one compression type brass cable gland for upto 2- core 16 sqmm PVC/A cable and having lined with rubber gasketted GI top cover with brass machine screws etc., earthing terminal with lug, on steel tubular pole near base, including S&F 40x6 mm thick, MS clamps with bolts, nuts etc. including painting with anticorrosive paint

Supply and Laying of cable 2 core 10 sqmm AL armour cable on wall/surface incl. S & F MS saddles with earthing attachment in 10 SWG GI (Hot Dip)Wire, making holes etc. as necy. mending good damages and painting

Terms and condition

The Agency must procure the materials from the Manufacturer / OEM or from their authorised sales channel so that the standard warranty / support of the Manufacturer / OEM becomes applicable to the products to be delivered and installed by them.

Documents that authenticates such procurement from the Manufacturer / OEM or from their authorized sales channel and standard warranty / support should be sent from the e-mail of the Manufacturer / OEM / authorized sales channel to the e-mail of Engineer-in-Charge and hard copy of it to be submitted during execution, of work/submission of bill. If any refurbished material is supplied and installed, penal action will be taken as per existing rules

Defect Liability period 1 (One) Year

(Rates should be Quoted inclusive of all taxes & duities and L.W.C. @ 1% as applicable)

CHAKRABORTY ENTERPRISE

SHATABDI ENGINEERING AND CONSULTANCY

RASH ELECTRICAL WORKS

JADOB ELECTRIC CO.