DETAILED ESTIMATE FOR ESTABLISHMENT OF 230/110 KV SS WITH
2X100 MVA, 230/110 KV AUTO TRANSFORMERS AT THE PREMISES OF
THE EXISTING THIRUVERKKADU 110/33-11 KV SS IN CHENNAI
OPERATION CIRCLE
Rs in lakhs
SL
DESCRIPTION
NO.
I CIVIL WORKS
QUANTITY
RATE
PER
Board land
TOTAL
AMOUNT
Land Cost
0.00
Control room building including
electrification
LS
109.215
Air condition
LS
15.00
LS
30.00
Station yard filling & RCC Cable
ducts
Lead road
LS
15.00
Compound wall
LS
10.00
Water supply & Drainage System
LS
5.00
SUB-TOTAL
184.22
II
ELECTRICAL WORKS:
230 KV Isolator with earth switch
3 Nos.
2.523
7.57
230 KV Isolator W/o earth switch
7 Nos.
3.898
27.29
230 KV SF6 Breaker ( HV -2, BC, Fdr- 3)
6 Nos.
12.065
72.39
230 KV CT with Junction box
18 Nos.
2.585
46.53
230 KV PT with junction box
6 Nos.
2.560
15.36
230 KV LAS
6 Nos.
0.464
2.78
110 KV Isolator with earth
3 Nos.
2.781
8.34
110 KV Isolator w/o earth
9 Nos.
2.523
22.71
110 kV SF6 breaker ( LV -2, BC-1, Fdr- 5)
8 Nos.
4.891
39.13
10
110 KV CT (Single Phase) with Junctio
24 Nos.
2.110
50.64
11
110 KV PT (Single Phase) with Jn box
6 Nos.
0.965
5.79
12
110 KV LAS
6 Nos.
0.264
1.58
13
Relay panel for 230 KV feeders
3 Nos
7.560
22.68
14
Relay panel for 230 KV BC
1 No.
3.450
3.450
15
Relay panel for 230/110 KV auto Tr.
2 Nos
5.617
11.23
16
1 No
14.000
14.00
17
230 KV Bus bar protection relay
panel
Relay panel for 110 KV feeders
5 Nos
4.400
22.00
18
Relay panel for 110 KV BC
1 No.
1.740
1.740
19
1 No
16.316
16.32
20
110 KV Bus bar protection relay
panel
Annunciator Panel (100 windows)
2 Nos.
1.329
2.66
21
AC Panel
1 No
1.465
1.465
DETAILED ESTIMATE FOR ESTABLISHMENT OF 230/110 KV SS WITH
2X100 MVA, 230/110 KV AUTO TRANSFORMERS AT THE PREMISES OF
THE EXISTING THIRUVERKKADU 110/33-11 KV SS IN CHENNAI
OPERATION CIRCLE
22
DC Panel
2 Nos
1.001
2.002
23
Synchronising panel
1 No.
1.309
1.31
24
Marshalling box
2 Nos.
0.672
1.34
25
Substation automation system
including commissioning of SAS
LS
85.00
26
LLM
27
Data Logger
28
Earthing, Painting and Station yard lighting
29
75 KVA DG set with accessories
1 No.
30
31
220 V, 300 AH Battery set with
stand
220 V DC, 60 A battery charger
32
Control cables of assorted size with tray arrangement
20.00
33
10.00
34
Auxiliary panel & Interconnecting
cables
230 KV structure
LS
177.72
35
110 KV structure
LS
50.456
36
Fire fighting equipment
1 Set
LS
4.000
37
P &T Phone
2 Nos
LS
0.300
38
Scientific Instruments
LS
2.000
39
T & P and Furniture
LS
1.000
40
Plinth for breakers ( 230 kV- 6, 110 kV- 8)
41
Transformer rail tracks
42
Cost of materials
823.324
43
Contingencies @ 1%
8.23
44
Sub total
831.56
45
Labour & Transport charges @ 15%
124.73
46
Sub total
956.29
47
100 MVA,230/110 kV auto tr with
OLTC
Plinth, labour & transport for
transformer
Earthing
48
49
50
51
5.00
10.00
LS
13.979
9.668
9.67
2 Nos
5.587
11.17
3 Nos
3.906
11.72
14 Loc
0.50
Loc
7.000
2 Set
2.00
set
4.000
2 Nos
440.986
881.97
2 loc
4.400
loc
8.800
2 loc
0.550
loc
1.100
Sub Total
Establishment & Supervision charges @ 15%
Cost of materials & Labour
Fibre Optic Communication equipment
1848.163
277.22
2125.387
DETAILED ESTIMATE FOR ESTABLISHMENT OF 230/110 KV SS WITH
2X100 MVA, 230/110 KV AUTO TRANSFORMERS AT THE PREMISES OF
THE EXISTING THIRUVERKKADU 110/33-11 KV SS IN CHENNAI
OPERATION CIRCLE
52
Provision for fibre optic
communication equipment
between Thiruverkkadu, Alamathy
and CMRL Koyambedu 230 KV SSs
As per annexure III
75.28
Transmission line
53
54
Erection of 230 KV DC line on DC
towers with Zebra conductor by
making LILO in the 230 KV
Alamathy - CMRL Koyambedu feeder
to the propsosed Thiruverkkadu 230
KV SS
Laying of 230 kV, 1x1200 sq.mm.
XLPE UG cable (SC) from the
proposed Thiruverkkadu 230 KV SS
to the sanctioned Ambattur 3rd Main
Road 230 KV SS
1 Km
83.43
Km
10 Kms As per anneure I
8.73 Kms
5505.57
55
Laying of 110 kV, 1x630 sq.mm.
XLPE UG cable (SC) from the
proposed Thiruverkkadu 230 KV SS
to Nolambur 110/11 KV SS
56
Erection of 110 KV DC line on DC
tower with Panther conductor by
making LILO in 110 KV
Sriperumpudur - Korattur feeder I
57
Conversion of the existing T-off
arrangement in 110 kV
Sriperumpudur - Korattur I & II
feeder to Thiruverkkadu 110/33-11
kV SS into LILO arrangement in
Sriperumpudur- Korattur feeder II.
58
110 kV bay provision at Nolambur
110 kV SS
59
Sub total
60
Total for Electrical works
11208.38
Total Gross & Nett
11392.60
3.0 Kms
1 No
As per anneure
II
83.43
54.44
57.65
3192.74
163.32
LS
5.00
57.65
9083.00
EXECUTIVE ENGINEER/MASTER PLAN
ANNEXURE - I
230 KV THIRUVERKKADU - AMBATTUR 3rd MAIN ROAD FEEDER
ESTIMATE FOR LAYING OF 230 KV , 1 X1200 SQ MM XPLE UG CABLE (SC)
FOR THE ROUTE LENGTH OF 10 KMS
SL
NO
DESCRIPTION
QUANTITY
RATE RS
IN LAKHS
PER
AMOUNT
RS IN
LAKHS
Km
3153.900
230 KV 1x1200 sqmm UG Cable (Circuit
length of 10X3X1 Kms)
30 Kms
105.130
230 KV, Normal Straight joints
39 Nos.
15.00
585.000
230 KV, Insulated Straight joints
21 Nos.
16.00
336.000
230 KV GIS indoor termination
6 Nos.
20.466
122.796
Single phase link box without CCPU
6 Nos.
1.481
8.89
Three phase link box with CCPU
4 Nos.
1.279
5.116
Three phase link box without CCPU
1 No.
3.457
3.457
240 sq. mm Sheath bonding cable
2 Km
21.983
Km
43.97
200 sq.mm. PVC pipe
4430 Nos.
0.0242
107.206
21430 Nos.
0.0021
45.003
10
230 KV RCC cover slabs
11
Sub total
12
Contingencies @ 1%
13
Labour and Transport Charges
14
Sub total
15
Establishment and Supervision Charges @15%
16
Road cut & restoration charges
17
Sub total
18
Erection & Company supervision of st.
joints
19
Erection & Company supervision of
terminations
20
Sub total
21
Transit, erection, testing & commissioning insurance @ 1%
Total (Gross & Nett)
4411.330
44.113
10 Kms
8.0 Kms
80.000
4535.443
680.316
10 Kms
15.0 Kms
150.00
5365.760
60 Nos.
1.45
87.000
6 Nos.
1.45
8.700
5461.460
44.113
5505.57
ANNEXURE - II
110 KV THIRUVERKKADU - NOLAMBUR FEEDER
ESTIMATE FOR LAYING OF 110 KV , 1 X 630 SQ MM XPLE CABLE (SC) FOR THE
ROUTE LENGTH OF 8.75 KMs.
SL NO
DESCRIPTION
QUANTITY
RATE RS
IN
LAKHS
PER
26.25 Kms
83.184
Km
AMOUNT
RS IN
LAKHS
110 KV, 1x630 sqmm UG Cable
(Circuit length of 8.75x3x1 Km)
110 KV, LAS
6 Nos.
0.264
1.58
110 KV, LAS structure
6 Nos.
1.041
6.25
110 KV, Straight joints
30 Nos.
2.583
77.49
110 KV, insulated joints
22 Nos.
2.583
56.83
Outdoor termination
6 Nos.
8.042
48.25
Outdoor termination structure
6 Nos.
1.041
6.25
Single phase link box without CCPU
3 Nos.
1.481
4.44
Single phase link box with CCPU
3 Nos.
1.764
5.29
10
Three phase link box with CCPU
1 No.
3.104
3.10
11
Sheath separation kit
15 Nos.
1.332
19.98
12
240 sq. mm sheath bonding cable
925 mts
0.0187
mt.
17.30
13
160 mm dia PVC pipe
925 Nos.
0.0168
15.54
14
110 KV RCC cover slab
12700 Nos.
0.00212
26.92
15
Sub total
16
Contingencies @ 1%
17
Labour and Transport
18
Sub total
19
Establishment and Supervision
Charges @ 15%
20
Road cut & restoration charges
21
Sub total
22
Erection & Company supervision of
st. joints
52 Nos.
1.45
75.40
23
Erection & Company supervision of
terminations
6 Nos.
1.45
8.70
24
Transit, erection, testing &
commissioning insurance @ 1%
Total (Gross & Nett)
2183.58
2472.80
24.73
8.75 Kms
8.0
Kms
70.00
2567.53
385.13
8.75 Kms
15.0
Kms
131.25
3083.91
24.728
3192.74
ANNEXURE - III
DETAILED ESTIMATE FOR FIBRE OPTIC COMMUNICATION EQUIPMENTS FOR
THE PROPOSED THIRUVERKKADU 230 KV SS
SL
NO
DESCRIPTION
QUANTITY
RATE RS
IN
LAKHS
PER
AMOUNT
RS IN
LAKHS
Erection, supply and commissioning of
OPGW cable (24 fibre) with accessories
1 Km
3.000 Km
3.000
Erection, supply and commissioning of
OPGW cable ( 12 fibre) with accessories
for 110 KV Nolambur feeder
8.7 Kms
2.239 Km
19.479
Erection, supply and commissioning of
ADSS (12 fibre DWSM ) from gantry
towers to relay room
2 Kms
1.463 Km
2.926
Optic terminal equipments (OLTE ) ADM type at Thiruverkkadu 230 KV SS &
Koyambedu CMRL 230 KV SS
2 Nos
3.000
No
6.000
Optic terminal equipments (OLTE ) terminal type at Nolambur 110 KV SS
1 No
3.000
No
3.000
Multiplexers - Drop insert type at
Thiruverkkadu 230 KV SS & Nolambur
110 KV SS
2 Nos
6.000
12.000
Cross connect Multiplexers at Alamathy
400 KV SS & Koyambedu CMRL 230 KV
SS
Digital protection coupler with E1
interface -Thiruverkkadu 230 KV SS -3 &
Nolambur 110 KV SS - 1
2 Nos
8.000
16.000
4 Nos
2.000
8.000
48 V / 250 AH battery
1 No
0.806
No
0.806
10 48 V/ 40 A battery charger
2 Nos
0.535
No
1.070
11 EPAX - 8S/8T
1 Set
Set
1.000
At Thiruverkkadu 230 KV SS
9
At Nolambur 110 KV SS
12 48 V/ 120 AH battery
1 No
0.387
No
0.387
13 48 V/ 20 A battery charger
2 Nos
0.307
No
0.614
14 EPAX - 8S/8T
1 Set
Set
1.000
Sub total
75.282
