Design, Supply , Erection Testing and Commissioning of
33/6.6 KV switchyard equipments along with 2 MVA
Transformer of Lalnala LIS Taluka- Samudrapur
Dist- Wardha.
1
Estimate
Division: - Vidarbha Hydro Electric & Lift Irrigation Division, Nagpur
Sanction Estimate No.
Financial Head: - State plan
Major Head: 4701 Major & Medium and Minor Project
Service Head: - Lalnala Lift Irrigation Scheme
Division Head:- Design, Supply , Erection Testing and Commissioning of
33/6.6KV switchyard equipments along with 2 MVA
Transformer of Lalnala LIS
The estimate is framed in the office of the Executive Engineer , Vidarbha
Hydro Electric & Lift Irrigation Division ,Nagpur for the probable expenditure that
will be incurred for the work of Supply, Erection Testing and Commissioning of
33/6.6 KV switchyard equipments along with 2 MVA power transformer of
Lalnala LIS Tal- Samudrapur , Dist- Wardha
Rs. 29687144/(Rupees Two Crore Ninety Six Lack Eighty Seven Thousand One Hundred Forty
Four only)
Administrative Approval as per : No……………………..Date……………..20
Technical approval as per
: No……………………..Date……………..20
Estimate is prepared by
: Durwas H. Bansod sect. Engineer
And Estimate is checked by : S. B. Shendge Dy.Engr.
General Description
The estimate is prepared to meet the probable expenditure that will be
incurred for Design, Supply, Erection Testing and Commissioning of 33/6.6KV
switchyard equipments along with 2 MVA power transformer of Lalnala LIS TalSamudrapur , Dist- Wardha
The Rates adopted for the Item No. 1 to 22( excluding item No 10.1,
10.2.1,10.2.6 & 23 )are based on the rates considered in the Estimate of 33kV
Switch yard of Palasgaon Amdi LIS which is sanctioned by the Chief Engineer (E)
Hydro Projects, Mumbai vide Office Order No.110 dated 14/03/2012 & letter No
CE(E)/HP/D-2/T-3/Palasgaon Amdi/661 dated 14/03/2012 and Rates for Item No.
10.1, 10.2.1 , 10.2.6 and 23 are taken from PWD (Electrical) CSR 2011-2012.
2
ABSTRACT
3
Qty.
Unit
Nos
1
No
4
Nos
9
Nos
12
Nos
1
LOT
1
LOT
1
No
2
Nos
176.00
641.30
109.00
Mtr.
Mtr.
Mtr.
Description
Item No 1 SF6 Circuit Breaker 630A , 17.5
KV, 36 KV
Item No 2 Isolator with earth blade, 36KV
200Ampere
Item No3 Isolator without earth blade 36
KV 200Ampere
Item No 4 Current Transformer 36 KV , 50/
1-1-1A
Item No5 Lightening arrestor 30 KV, 170
KV peak with surge counter
Item No6 Bus Bar material to complete the
work
Item No 7 Junction Boxes and Marshalling
Boxes
Item No8 Feeder control and Relay panel
33/6.6 KV
Item No.9 Transformer control and Relay
panel 33/6.6KV
Item No 10 L Power and Control Cables
1.1 KV Grade
10.1 ) 1.1 KV grade armoured aluminum
cables
a) 4 Core 16 sq.mm.
b) 2 Core 4sq.mm.
c) 2 Core 2.5 sq.mm.
880
Mtr
24
Nos
10.2 Supply Erecting , Testing and
Commissioning of Control Cables
(Copper)
1. 2 C x 2.5 sq. mm.(CSR ITEM No.7-2-1)
2. 5 C x 2.5 sq. mm.
3. 4 C x 2.5 sq. mm.
4. 5 C x 4 sq. mm.
6. 14 C x 2.5 sq. mm.
7. 4 C x 4 sq. mm. .(CSR ITEM No.7-2-9)
Item No 11 XLPE Cables
1) 6.6 KV (E) 1 x 240 sq.mm. Aluminum
2) Termination Kits for XLPE Cables
for 1x240Sq.mm Cable
A. Indoor Kit
8
3
Nos
Nos
B. Outdoor Kit
Item 12 Potential transfer
308
246.40
410.30
836
1843.60
176.00
Mtr.
Mtr.
Mtr.
Mtr.
Mtr.
Mtr.
33KV
3
2
Nos
18
MT
110V
110V
Rate
720500
Each
No
Amount
2161500.00
195655.00
No
195655.00
180500.00
No
722000.00
128550.00
No
1156950.00
89995.00
No
1079940.00
195650.00
Lot
195650.00
115000.00
Lot
115000.00
715000.00
No
715000.00
735000.00
No
1470000.00
222.60
119.70
116.55
Mtr
Mtr
Mtr
39177.60
76763.61
12703.95
149.10
214.00
195.00
274.00
514.00
282.45
Mtr
Mtr
Mtr
Mtr
Mtr
Mtr
45922.80
52729.60
80008.50
229064.00
947610.40
49711.20
1210.00
Mtr
1064800.00
8300.00
No.
199200.00
8300.00
No
66400.00
108640.00
No.
325920.00
1415240.00
No.
2830480.00
185000.00
MT
3330000.00
3
Item No 13 : Vacuum Circuit
Breaker 6.6 KV ,630A, 25KA
Item No 14 Steel Structure
Galvanized Steel Structure
3
1
Lot
3
Tons
498
Mtr.
50
Item No 15 Mandatory spares and tools
and Tackles
Item No 16 Cables Raking
Made from MS angels / Channels
Item No 17 Cable Trays
526400.00
Lot
526400.00
155000.00
Nos
465000.00
1) 450 mm wide
915.00
Mtr
455670.00
Mtr
2) 300 mm wide
690.00
Mtr
34500.00
72
MTr
3) 150 mm wide
425.00
Mtr
30600.00
1
Lot
4) Bends risers & Tees
115000.00
Lot
115000.00
2
Nos
Item No 18 Power Transformer
Transformer 33/6.6KV , 2 MVA
4550500.00
Nos
9101000.00
2
MT
155000.00
Nos
310000.00
1
No.
Item No 19 Earthing system with
50 x 10 mm GI Strip
Item No.20 Auxiliry Transformer
33/0433kV,160kVA
Item no.21
1) 3.3kV XLPE cable 1x 150 sq.mm
345800.00
No.
345800.00
176
mtr
4
4
1
Item No.22 Termination Kit for LT cable
1) Indoor Kit
2) Outdoor Kit
Item No. 23 DO Fuse
No
No.
set
Mtr
1120.00
7300.00
7300.00
20793.15
197120.00
No
No.
No.
29200.00
29200.00
20793.15
28822469.81
Add 3 % Contingency
Rs.
864674.09
Grand Total
Rs.
29687143.90
Say
Rs.
29687144/-
In Words: Rupees Two Crore Ninety Six Lack Eighty Seven Thousand One Hundred Forty Four only
Prepared By
--Sd-Durwas H. Bansod
Sect. Engr.
Checked By
--Sd-S. B. Shendge
Deputy Engineer
--Sd-ESTIMATE
Executive Engineer
Vidarbha Hydro Electric & Lift Irrigation Division,
Nagpur
--Sd---Sd--
Superientending Engineer
Vidarbha Hydro Electric & Lift Irrigation Circle,
Nagpur
Chief Engineer( Elect.),
Hydro Projects,
Mumbai
4
ESTIMATE
Name of Work : Design , Supply Erection , Testing and Commissioning of 33/6.6 KV
switchyard equipments along with 2 MVA Power Transformer of Lalnala L.I.S.
3
1
4
9
12
1
Unit Description
Nos Item No 1
SF6 Gas Circuit Breaker Supply Erection ,
Testing and Commissioning of 36 KV rated
insulation class BIL, 170 KV Peak 630 A,
17.5 KV , Breaking Capacity 3 Phase 50
Cycles, three single Pole gang operating
mechanism outdoor SF6 Circuit Breaker with
suitable operating mechanism complete
(As per rate analysis)
No
Item No 2 Isolator with Earth blade
Supply, Erection , Testing and
Commissioning of 36 KV rated Insulation
class BIL, 170 KV Peak 200 A, (with
Maximum current capacity of 17.5 KV for 2
Secs) 3 Phase Double break center post
rotating outdoor type isolator with earth
blades along with supporting , insulators ,
base channels manual operating mechanism
terminal connectors etc.
(As per rate analysis)
Nos Item No3 Isolator without earth blade
Supply Erection , Testing and
Commissioning of 36 KV rated installation
class BIL, 170 KV Peak 200 A, (with
Maximum current capacity of 17.5 KV for 2
Secs)3 Phase 50 Hz center post rotating
outdoor type isolator without earth blades
along with supporting , insulator , base
channels manual operating mechanism
terminal connectors etc.
(As per rate analysis)
Nos Item No 4 Current Transformer
Supply Erection , Testing and Commissioning
of 36 KV rated insulation class Single phase
50 cycles, 3 cores hermetically sealed outdoor
type CT Having Current ratio of 50/1-1-1
Amps
(As per rate analysis)
Nos Item No 5 Lightening Arrestors
Supply Erection , Testing and Commissioning
of 30 KV rated insulation class BIS 170 KV
Peak Single Phase 50 Hz Valve Type LA
station Type, outdoor, Lightening arrestor
along with surge counter and insulation base
complete
(As per rate analysis)
Rate
720500
Each Amount
No
2161500.00
195655
No
195655.00
180500
No
722000.00
128550
No
1156950.00
89995
No
1079940.00
Lot
195650
Lot
195650.00
Item No 6 Bus Bar Material
Supply Erection , Testing and Commissioning
of Bus bar material suitable ACSR conductor
5
1
Lot
1
No
2
No
176
Mtr.
641.30
Mtr.
109
Mtr.
308
246.40
410.30
836
1843.60
176.00
Mtr.
Mtr.
Mtr.
Mtr.
Mtr.
Mtr.
suspension / tension insulators , post insulator,
hardware, power connector clamps etc , as
required to complete the work as per layout
(As per rate analysis)
Item No 7 Junction Boxes
Supply Erection , Testing and Commissioning
of Junction boxes for each equipment in a Bay
including wiring, cabling connecting, clamp
terminal connection etc, and also marshalling
boxes one for each bay
(As per rate analysis)
Item No 8 Feeder Control and Relay Panel
Supply Erection , Testing and Commissioning
of 33/6.6 KV Feeder Control and Relay
Panel to be located inside pump house as per
Specification annexure I attached
(As per rate analysis)
Item No 9Transformer Control and Relay
Panel
Supply Erection , Testing and Commissioning
of 33/6.6 KV Transformer Control and Relay
Panel to be located inside pump house as per
Specification annexure I attached
(As per rate analysis)
Item No 10 LT Power and Control Cables
10.1 1.1 KV Grade Armoured
Aluminium Conductors
a) Supplying ad Erecting PVC armoured
cables 4core 16 sq. mm alluminum conductor
with continuous 5.48 sq. mm. (12 SWG) G.I.
earth wire complete erected with glands and
Lugs on wall / Trusses/ pole or laid in
provided trench pipe as per specification No
CBLT/ AL (As per rate analysis)
b) Supplying Erecting PVC armoured cable
2 core 4 sq. mm aluminum conductor with
continuous 5.48 sq. mm. (12 SWG) G.I. earth
wire complete erected with glands and Lugs
on wall / Trusses/ pole or laid in provided
trench pipe as per specification No CB-LT/
AL (As per rate analysis)
c)Supplying Erecting PVC armoured cables 2
core 2.5 sq. mm aluminum conductor with
continuous 5.48 sq. mm. (12 SWG) G.I. earth
wire complete erected with glands and Lugs
on wall / Trusses/ pole as per specification No
CB-LT/ AL (As per rate analysis)
10.2 Supply Erecting , Testing and
Commissioning of Control Cables (Copper)
(As per rate analysis)
1) 2 C x 2.5 sq. mm
2) 5 C x 2.5 sq. mm.
3) 4 C x 2.5 sq. mm.
4.) 5 C x 4 sq. mm.
6) 14 C x 2.5 sq. mm.
7) 4 C x 4 sq. mm
6
115000
Lot
115000.00
715000
No
715000.00
735000
No
1470000.00
222.60
Mtr
39177.60
119.70
Mtr
76763.61
116.55
Mtr
12703.95
149.10
214.00
195.00
274.00
514.00
282.45
Mtr
Mtr
Mtr
Mtr
Mtr
Mtr
45922.80
52729.60
80008.50
229064.00
947610.40
49711.20
880
Mtr
24
8
3
Item no.11 XLPE CABLE
1)Supply erection, testing and
commissioning of 6.6 KV (E), 1x 240 Sq.mm.
aluminium conductor unarmoured single
core 11KV grade XLPE cable
(As per rate analysis)
2) Termination Kit
Supplying, erecting, testing and
commissioning of Heat shrinkable
termination Kit for termination of 1 x
150sq.mm alluminium XLPE cable at 440 Volt
ACDB and transformer LV terminals
a) Indoor Kit
b) Outdoor Kit
(As per rate analysis)
Nos Item No. 12 Potential Transformer
Supply, erection, testing and
commissioning of 33KV rated insulation
class, single phase 50HZ two core
hermetically seated, outdoor type voltage
transformer having voltage rates 33 KV/
110V/ 110V/
1210.00
Mtr
1064800.00
8300.00
8300.00
No.
No
199200.00
66400.00
108640
No.
325920.00
(As per rate analysis)
2
Nos
1415240
Item No. 13 Vacuum Circuit Breaker:
Supply, erection, testing and
commissioning of totally enclosed single
bus bar floor mounting metal clad indoor
non extensible type flush fronted,
Horizontal isolators, Horizontal draw out
vacuum circuit breaker suitable for
installation in 50HZ, 6.6KV, 630 A, 25
KA effectively earthed supply system
comprising of housing for Breaker
mechanically interlocked safety shutters, 6
No insulating plugs and a VCB trolley
with three vacuum interrupters and epoxy
support insulators and self aligning finger
type isolating contracts truck having
integrated lock in device for inspection
and withdrawal of VCB complete with
necessary interlocks manual charged
independent, spring closing / spring
tripping, trip free operating mechanism,
with manual closing and tripping push
buttons, mechanical indicators V 12.
Breaker “closed/open ” spring “Charged /
Discharged ” mechanical operation
counter, electrical release coil, breaker
operated auxiliary switch with 2 No and 2
NC contact type 230 VAC / DC operated
motorized mechanism + manual operated
mechanism.
01- Bus bar chamber with aluminums bus
7
No.
2830480.00
bar (PVC sleeved / powder coated)
02- Electrical closing coil suitable for 110
VDC
03- Electrical shunt trip coil 110 VDC –
01 No
04- 230 V AC 80 watts rated space heater
with on / off switch and thermostat 02
Nos.
05- Rear cable box for 3 single core 6.6
KV XLPE cable
06- Side cable box for outgoing cables
(6.6 KV XLPE cables
07- Current transformer:
Epoxy cast current transformer of core 1
class 1 accuracy and core 2 class 5P 10
STR of CT 25 KA for 1.0 sec and 15 VA
burden (Ratio) to be informed by
purchaser before order placement- 03
Nos.
8-Potential Transformer :
Epoxy cast type 3 phase potential
transformer with ratio
(6900/110)
V/ 3 class of Acc 1.0
Burden 100 VA
Metering / Indications
09- Analogue ammeter with S/S size 144
sq mm
10- Analogue voltmeter with S/S size 144
sq mm
11- Analog type KWH meter W/o MDI
with Acc class 1.0
12- breaker ON / OF indicating lamps.
13- TCH lamps
14- TNC Switch
15- R-Y-B-Phase indicating lams
16 -Spring changed indications
17-Panel Indication Lamp
18- 20/c & 1E/F relay w/0 instantaneous
Equivalent of CD4-31 (make Ashida ER
eqvt.)
19: High Speed tripping relay equivalent
of VAJH 13 (Make Ashida ER eqvt.)
20: -Trip Circuit Supervision Relay
equivalent of VAX31 (make Ashida ER
reqvt.
21.Auxiliary Relay for transformer fault
annunciation (OTIWTI Alarm / Trip
Buchnolz Alarmtrip) equivalent of
VAA21 (make Ashrida ER/eqvt) – 3 NOS
(As per rate analysis)
18
MT
Item No 14: Steel Structure
Supply, erecting, testing and
Commissioning of Galvanized steel
8
185000
MT
3330000.00
structure required for equipments Gantry
towers along with hardware such as nut
bolts washers foundation bolt etc required
for towers gantry structures with
extended peak and supporting structures
for all equipments complete as per
specification.
(As per rate analysis)
1
Lot
Item No 15: Mandatory spares tools
and Tackles supplying at site set of spare
and maintenance tools and tackles given
in schedule B part I and II(As per rate
3
MT
Item No. 16 Cable Racking supplying
erecting at site of work cable racking
made from MS angles/channels of
appropriate size for routing the LT power
and control cables and 6.6 KV XLPE
cables from switch yard to pump house
above ground and also embedment in
switchyard and pump house
526400
Lot
526400.00
155000
Nos
465000.00
analysis)
(As per rate analysis)
Item No : 17 Cable Trays Supplying and
erecting at site Galvanized perforated cable
trays (16SWG) for laying power and control
cables inside switchyard in trenches and from
switchyard to control room and inside control
room in pump house including
suitable
clamps for power and control cables required
to complete the work as per specification
(As per rate analysis)
498
Mtr
1) 450mm wide
915.00
Mtr
455670.00
50
Mtr
2) 300 mm wide
690.00
Mtr
34500.00
72
Mtr
3)
425.00
Mtr
30600.00
1
Lot
4) Bends ,risers and tees
115000
Lot
115000.00
2
Nos
Nos
9101000.00
150 mm wide
Item No 18 : Power Transformer :Supply 4550500
Erection, Testing and Commissioning of
2MVA 33/6.6 KV
3 Phase 50Hz ONAN
outdoor core type power transformer with
high voltage bushing suitable for connection
of ACSR conductor and LV side cable end
box suitable for termination of 1x 240 sq.mm
9
XLPE cables, complete with fittings and
accessories Supply of rails base plate anchor
bolts required for entire length of
rails
including first filling of oil and Supply of
10% additional quantity of oil in non
refundable drums vector group Ynyno(As per
rate analysis)
2
MT
Item No . 19 : Earthing system Supply, 155000
Nos
310000.00
No.
345800.00
Erection Testing and Commissioning of
earthing system in switchyard with 50x10mm
GI strip for connecting structures and
equipments from earthing grid GI shield wire
and various size of clamps required for
completion. (As per rate analysis)
1
No
345800
Item No.20: Station Transformer
Supply, Erection, Testing And
Commissioning of 33 / 0.433 KV, 3
phase 50 Hz of oil immerged naturally
cooled indoor/outdoor type copper wound
station transformer of 160 KVA capacity
connected delta on HV side and star on
LV side with neutral brought out on load
side Standard mountings required for
transformer are given below. The
mountings are to be selected from them
and any addition if required. Thermometer
Pocket
1) Off load tap changing gear.
2) Oil Conservator with lifting holes
and cap and plain oil level gauge
3) Silica gel dehydrating Breather
4) Oil drain valve
5) Thermameter Pocket
6) Oil filter Valve
7) Lifting arrangement
8) Two earthing terminals
9) Diagram and rating plate
10) Plain Bidirectional rollers
11) Air vent
12) Explosive vent
13) Terminal Arrangement
14) Bushing with Lugs and /or Cable
end box on LV side
15)HV cable end box and/or HV
bushings(As per rate analysis)
10
176
Mtr
Item no.21 XLPE cable 3.3 KVSupplying,
erecting, testing and commissioning of 1 x
150 Sq.mm 3.3 KV grade single core XLPE(E)
Alluminium armoured cable on wall or ceiling
or laid in provided trench/pipe in an
approved manner. (As per rate analysis)
1120.00
Mtr
197120.00
Item No.22 Termination KitSupplying,
erecting, testing and commissioning of Heat
shrinkable termination Kit for termination of
1 x 150sq.mm alluminium XLPE cable at 440
Volt ACDB and transformer LV terminals(As
per rate analysis)
No
a) Indoor Kit
4
7300.00
b) Outdoor Kit
4
1
No
7300.00
set
Item No.23
20793.15
D.O. Fuse
29200.00
29200.00
No.
20793.15
Supplying and erecting approved make, 33
kV out door type drop out fuse with
insulator complete with fuse holders, fuse
barrel with metal fitting, fuse element mounted
on M.S. channel with working current of
15Amps capacity complete erected on
provided cross arm. (As per rate analysis)
Total Amount
28822469.81
864674.09
Add 3 % Contingency
29687143.90
Grand Total
29687144/-
Say Rs
In Word: - Rupees Two Crore Ninety Six Lack Eighty Seven Thousand One Hundred Forty Four only
Prepared By
--Sd-Durwas H. Bansod
Sect. Engr.
Checked By
--Sd-S. B. Shendge
Deputy Engineer
.
11
Part A
LIST OF MANDATORY SPARES
Description
Quantity
Rate
Amount
a) FOR CIRCUIT BREAKER:
1. Closing coils
2 No
13000.00
26000.00
2. Tripping coils
2No.
13000.00
26000.00
3. SF6 gas refilling device
1 No.
30000.00
30000.00
4. SF6 gas bottle 9 kgs
2 Nos.
45000.00
90000.00
5. Set of various gaskets used in assembly
1 Set.
15000.00
15000.00
2 Set.
22000.00
44000.00
2. Auxiliary switches 10 NO + 10 NC
2 Set.
12000.00
24000.00
3. Set of stack of insulator required for one
2 Set.
6500.00
6500.00
1 Set
7500.00
7500.00
1. Push buttons
10 Nos.
400.00
4000.00
2. 8 Way annunciation fascia windows
2 Nos.
12000.00
24000.00
3. Bulb for indicating lamps
25 Nos.
50.00
1250.00
4. Colour plastic domelens for lamp of various colours
10 Nos
100.00
1000.00
5. Resistors for indicating lamps
10 Nos
75.00
750.00
1 Set
10000.00
10000.00
of breaker
b) FOR ISOLATOR :
1. Set of male/female contacts for each
phase of one complete isolators.
phase of isolator.
c) FOR BUS BAR MATERIAL:
1. Tension insulator strings comprising of
required no. of insulators for one phase
complete with hardware.
d) FOR RELAY AND CONTROL PANEL:
6. HRC fuse/MCB/MCCB of associated
rating for control circuits (10 Nos. of each
12
rating for fuses and 1 No. for
MCCB/MCB)
e. For Power Transformer
1)
2)
3)
4)
5)
6)
7)
8)
9)
Filter valve
Explosion vent diaphragm
Oil temp. indicator
Winding temp. Indicator
Magnetic oil Level gauge
Breather
33 kV bushing
Neutral bushing (HV side)
Buchholz relays.
1 Nos
6900.00
6900.00
1 Nos
6000.00
6000.00
1 Nos
25000.00
25000.00
1 Nos
30000.00
30000.00
1 Nos
25000.00
25000.00
2 Nos
4500.00
9000.00
2 Nos
7500.00
15000.00
2 Nos
2500.00
5000.00
1 Nos
30000.00
30000.00
Total
461900.00
.
13
Part B
LIST OF MAINTENANCE TOOL
Sr.
No.
Description
Quantity
Rate
Amount
1
1000 Volt megger Battery operated/Hand
operated
1 No
4500.00
4500.00
2
2500/5000 Volt megger Battery/AC/DC in
addition to Hand operated
1 No.
8000.00
8000.00
3
Earth tester battery operated /AC/DC supply
operated
1 No.
5000.00
5000.00
4
Telescope ladder for street light pole
1 No.
35000.00
35000.00
5
Digital display multimeter battery operated
0-5 AC/DC 0-1000V range AC/DC 4 resistance
range, input resistance not less than 1 ohm
1 No
6000.00
6000.00
6
Tong Tester
1 No.
6000.00
6000.00
Total
64500.00
Total of part A & part B
461900.00 + 64500.00 = 526400.00
Prepared By
--Sd-Durwas H. Bansod
Sect. Engr.
Checked By
--Sd-S. B. Shendge
Deputy Engineer
14