UNCONTROLLED COPY
OVERHEAD DESIGN MANUAL
Approved by: K.Nuttall
© ENERGEX 2007
BMS 01613
VERSION:
2.0
LAST UPDATE:
15/01/2007
UNCONTROLLED COPY
UNCONTROLLED COPY
UNCONTROLLED COPY
UNCONTROLLED COPY
APP’D
D Lloyd
APP’D
DATE
28/05/02
CKD
REC’D
M Irvine
A
DATE
ATHR ORIGINAL ISSUE
© COPYRIGHT 2002 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
SAG TENSION TEMP. CHARTS . A.A.C.
G Dowling S Hennessy
WORD
SHEET 1 OF 5 FILE
ODM\6935\7012a4
7012-A4
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UNCONTROLLED COPY
APP’D
D Lloyd
APP’D
DATE
28/05/02
CKD
REC’D
M Irvine
A
DATE
ATHR ORIGINAL ISSUE
© COPYRIGHT 2002 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
SAG TENSION TEMP. CHARTS . A.A.C.
G Dowling S Hennessy
WORD
SHEET 2 OF 5 FILE
ODM\6935\7012a4
7012-A4
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APP’D
D Lloyd
APP’D
DATE
28/05/02
CKD
REC’D
M Irvine
A
DATE
ATHR ORIGINAL ISSUE
© COPYRIGHT 2002 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
SAG TENSION TEMP. CHARTS . A.A.C.
G Dowling S Hennessy
WORD
SHEET 3 OF 5 FILE
ODM\6935\7012a4
7012-A4
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UNCONTROLLED COPY
APP’D
D Lloyd
APP’D
DATE
28/05/02
CKD
REC’D
M Irvine
A
DATE
ATHR ORIGINAL ISSUE
© COPYRIGHT 2002 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
SAG TENSION TEMP. CHARTS . A.A.C.
G Dowling S Hennessy
WORD
SHEET 4 OF 5 FILE
ODM\6935\7012a4
7012-A4
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APP’D
D Lloyd
APP’D
DATE
28/05/02
CKD
REC’D
M Irvine
A
DATE
ATHR ORIGINAL ISSUE
© COPYRIGHT 2002 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
SAG TENSION TEMP. CHARTS . A.A.C.
G Dowling S Hennessy
WORD
SHEET 5 OF 5 FILE
ODM\6935\7012a4
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APP’D
D Lloyd
TENSION CURVES
APP’D
DATE
28/05/02
CKD
REC’D
M Irvine
A.A.C. 500 Pa WIND 15º C. CONDITION
A
DATE
ATHR ORIGINAL ISSUE
© COPYRIGHT 2002 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
G Dowling S Hennessy
WORD
SHEET 1 OF 2 FILE
ODM\6935\7013a4
7013-A4
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UNCONTROLLED COPY
APP’D
D Lloyd
TENSION CURVES
APP’D
DATE
28/05/02
CKD
REC’D
M Irvine
A.A.C. 500 Pa WIND 15º C. CONDITION
A
DATE
ATHR ORIGINAL ISSUE
© COPYRIGHT 2002 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
G Dowling S Hennessy
WORD
SHEET 2 OF 2 FILE
ODM\6935\7013a4
7013-A4
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APP’D
D Lloyd
SAG TENSION TEMP. CURVES
APP’D
DATE
28/05/02
A.C.S.R.
CKD
REC’D
M Irvine
A
DATE
ATHR ORIGINAL ISSUE
© COPYRIGHT 2002 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
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SHEET 1 OF 3 FILE
ODM\6935\7014a4
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APP’D
D Lloyd
SAG TENSION TEMP. CURVES
APP’D
DATE
28/05/02
A.C.S.R.
CKD
REC’D
M Irvine
A
DATE
ATHR ORIGINAL ISSUE
© COPYRIGHT 2002 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
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SHEET 2 OF 3 FILE
ODM\6935\7014a4
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APP’D
D Lloyd
SAG TENSION TEMP. CURVES
APP’D
DATE
28/05/02
A.C.S.R.
CKD
REC’D
M Irvine
A
DATE
ATHR ORIGINAL ISSUE
© COPYRIGHT 2002 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
G Dowling S Hennessy
WORD
SHEET 3 OF 3 FILE
ODM\6935\7014a4
7014-A4
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UNCONTROLLED COPY
APP’D
D Lloyd
TENSION CURVES
APP’D
DATE
28/05/02
CKD
REC’D
M Irvine
A.C.S.R. 500 Pa WIND 15º C. CONDITION
A
DATE
ATHR ORIGINAL ISSUE
© COPYRIGHT 2002 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
G Dowling S Hennessy
WORD
SHEET 1 OF 1 FILE
ODM\6935\7015a4
7015-A4
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APP’D
D Lloyd
APP’D
DATE
28/05/02
CKD
REC’D
M Irvine
A
DATE
ATHR ORIGINAL ISSUE
© COPYRIGHT 2002 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
SAG TENSION TEMP. CURVES
35mm2 H.V.ABC.
G Dowling S Hennessy
WORD
SHEET 1 OF 4 FILE
ODM\6935\7016a4
7016-A4
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UNCONTROLLED COPY
APP’D
D Lloyd
APP’D
DATE
28/05/02
CKD
REC’D
M Irvine
A
DATE
ATHR ORIGINAL ISSUE
© COPYRIGHT 2002 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
SAG TENSION TEMP. CURVES
35mm2 H.V.ABC.
G Dowling S Hennessy
WORD
SHEET 2 OF 4 FILE
ODM\6935\7016a4
7016-A4
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UNCONTROLLED COPY
APP’D
D Lloyd
APP’D
DATE
28/05/02
CKD
REC’D
M Irvine
A
DATE
ATHR ORIGINAL ISSUE
© COPYRIGHT 2002 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
SAG TENSION TEMP. CURVES
35mm2 H.V.ABC.
G Dowling S Hennessy
WORD
SHEET 3 OF 4 FILE
ODM\6935\7016a4
7016-A4
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UNCONTROLLED COPY
APP’D
D Lloyd
APP’D
DATE
28/05/02
CKD
REC’D
M Irvine
A
DATE
ATHR ORIGINAL ISSUE
© COPYRIGHT 2002 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
SAG TENSION TEMP. CURVES
35mm2 H.V.ABC.
G Dowling S Hennessy
WORD
SHEET 4 OF 4 FILE
ODM\6935\7016a4
7016-A4
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UNCONTROLLED COPY
APP’D
D Lloyd
APP’D
DATE
28/05/02
CKD
REC’D
M irvine
A
DATE
ATHR ORIGINAL ISSUE
© COPYRIGHT 2002 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
TENSION CURVES
35mm2 H.V.ABC 500 Pa WIND 15º C.
G Dowliing S Hennessy
WORD
SHEET 1 OF 1 FILE
ODM\6935\7017a4
7017-A4
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UNCONTROLLED COPY
APP’D
D Lloyd
APP’D
DATE
28/05/02
CKD
REC’D
M irvine
A
DATE
ATHR ORIGINAL ISSUE
© COPYRIGHT 2002 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
SAG TENSION TEMP. CURVES
70mm2 H.V.ABC.
G Dowling S Hennessy
WORD
SHEET 1 OF 4 FILE
ODM\6935\7018a4
7018-A4
A
UNCONTROLLED COPY
APP’D
D Lloyd
APP’D
DATE
28/05/02
CKD
REC’D
M irvine
A
DATE
ATHR ORIGINAL ISSUE
© COPYRIGHT 2002 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
SAG TENSION TEMP. CURVES
70mm2 H.V.ABC.
G Dowling S Hennessy
WORD
SHEET 2 OF 4 FILE
ODM\6935\7018a4
7018-A4
A
UNCONTROLLED COPY
APP’D
D Lloyd
APP’D
DATE
28/05/02
CKD
REC’D
M irvine
A
DATE
ATHR ORIGINAL ISSUE
© COPYRIGHT 2002 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
SAG TENSION TEMP. CURVES
70mm2 H.V.ABC.
G Dowling S Hennessy
WORD
SHEET 3 OF 4 FILE
ODM\6935\7018a4
7018-A4
A
UNCONTROLLED COPY
APP’D
D Lloyd
APP’D
DATE
28/05/02
CKD
REC’D
M irvine
A
DATE
ATHR ORIGINAL ISSUE
© COPYRIGHT 2002 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
SAG TENSION TEMP. CURVES
70mm2 H.V.ABC.
G Dowling S Hennessy
WORD
SHEET 4 OF 4 FILE
ODM\6935\7018a4
7018-A4
A
UNCONTROLLED COPY
APP’D
D Lloyd
APP’D
DATE
28/05/02
CKD
REC’D
M Irvine
A
DATE
ATHR ORIGINAL ISSUE
© COPYRIGHT 2002 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
TENSION CURVES
70mm2 H.V.ABC. 500 Pa WIND 15º C.
G Dowling S Hennessy
WORD
SHEET 1 OF 1 FILE
ODM\6935\7019a4
7019-A4
A
UNCONTROLLED COPY
APP’D
D Lloyd
APP’D
DATE
28/05/02
CKD
REC’D
M Irvine
A
DATE
ATHR ORIGINAL ISSUE
© COPYRIGHT 2002 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
SAG TENSION TEMP. CURVES
95mm2 L.V.ABC.
G Dowling S Hennessy
WORD
SHEET 1 OF 4 FILE
ODM\6935\7020a4
7020-A4
A
UNCONTROLLED COPY
APP’D
D Lloyd
APP’D
DATE
28/05/02
CKD
REC’D
M Irvine
A
DATE
ATHR ORIGINAL ISSUE
© COPYRIGHT 2002 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
SAG TENSION TEMP. CURVES
95mm2 L.V.ABC.
G Dowling S Hennessy
WORD
SHEET 2 OF 4 FILE
ODM\6935\7020a4
7020-A4
A
UNCONTROLLED COPY
APP’D
D Lloyd
APP’D
DATE
28/05/02
CKD
REC’D
M Irvine
A
DATE
ATHR ORIGINAL ISSUE
© COPYRIGHT 2002 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
SAG TENSION TEMP. CURVES
95mm2 L.V.ABC.
G Dowling S Hennessy
WORD
SHEET 3 OF 4 FILE
ODM\6935\7020a4
7020-A4
A
UNCONTROLLED COPY
APP’D
D Lloyd
APP’D
DATE
28/05/02
CKD
REC’D
M Irvine
A
DATE
ATHR ORIGINAL ISSUE
© COPYRIGHT 2002 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
SAG TENSION TEMP. CURVES
95mm2 L.V.ABC.
G Dowling S Hennessy
WORD
SHEET 4 OF 4 FILE
ODM\6935\7020a4
7020-A4
A
UNCONTROLLED COPY
APP’D
D Lloyd
APP’D
DATE
28/05/02
CKD
REC’D
M Irvine
A
DATE
ATHR ORIGINAL ISSUE
© COPYRIGHT 2002 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
TENSION CURVES
95mm2 L.V.ABC. 500 Pa WIND 15º C.
G Dowling S Hennessy
WORD
SHEET 1 OF 1 FILE
ODM\6935\7021a4
7021-A4
A
UNCONTROLLED COPY
TENSION (kN)
Table 220 Sag/Tension - 2 x 95mm ABC Conductor 6.90 6.70 6.50 6.30 6.10 5.90 5.70 5.50 5.30 5.10 4.90 4.70 4.50 4.30 4.10 3.90 3.70 3.50 3.30 3.10 2.90 2.70 2.50 2.30 2.10 1.90 1.70 1.50 1.30 1.10 0.90 0.70 0.50
0°C
0.25
0.3
0.4
0.5
0.6
0.8
1.0
1.25 1.5
5°C
2.0
2.5 10°C
3.0
15°C
25°C 35°C 50°C 4.0
3.5
4.5
5.0
75°C
5.5
6.0
6.5 7.5
7.0 8.0
9.0
10.0
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
105
110
115
120
11.0
125
130
SPAN (m)
APP’D
D Lloyd
SAG TENSION TEMP. CURVES
APP’D D.Lloyd
DATE
26/06/03
95mm 2-CORE L.V.ABC.
CKD G.Bartlett
REC’D
M Irvine
A
DATE
30/06/03
ATHR M.Irvine ORIGINAL ISSUE
© COPYRIGHT 2003 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
2
D Peach M Irvine
WORD
SHEET 1 OF 4 FILE
ODM\6935\7108a4
7108-A4
A
UNCONTROLLED COPY
TENSION (kN)
Table 440 Sag/Tension - 2 x 95mm ABC Conductor 3.50 3.40 3.30 3.20 3.10 3.00 2.90 2.80 2.70 2.60 2.50 2.40 2.30 2.20 2.10 2.00 1.90 1.80 1.70 1.60 1.50 1.40 1.30 1.20 1.10 1.00 0.90 0.80 0.70 0.60 0.50
0.25
0.4
0.3
0.6 0.5
1.5
1.0 0.8
2.5
1.25
2.0
3.5 3.0
4.0
4.5 0°C 5.0 5°C 5.5 10°C
6.0
6.5
15°C 25°C 7.5
7.0
35°C 75°C
8.0
9.0
50°C 10.0
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
105
110
115
11.0
120
125
130
SPAN (m)
APP’D
D Lloyd
SAG TENSION TEMP. CURVES
APP’D D.Lloyd
DATE
26/06/03
95mm 2-CORE L.V.ABC.
CKD G.Bartlett
REC’D
M Irvine
A
DATE
30/06/03
ATHR M.Irvine ORIGINAL ISSUE
© COPYRIGHT 2003 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
2
D Peach M Irvine
WORD
SHEET 2 OF 4 FILE
ODM\6935\7108a4
7108-A4
A
UNCONTROLLED COPY Table 660 Sag/Tension - 2 x 95mm ABC Conductor 1.80
0.3 0.4
1.70
0.6
0.8
1.0
1.25
2.0
1.5
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
0.5
6.5
1.60
7.0 7.5
1.50 0°C
TENSION (kN)
1.40
8.0
5°C 10°C
1.30
15°C 25°C
1.20
35°C 50°C
1.10
9.0
75°C
1.00
10.0
0.90
11.0
0.80 0.70 0.60 25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
105
110
115
120
125
130
SPAN (m) APP’D
D Lloyd
SAG TENSION TEMP. CURVES
APP’D D.Lloyd
DATE
26/06/03
95mm 2-CORE L.V.ABC.
CKD G.Bartlett
REC’D
M Irvine
A
DATE
30/06/03
ATHR M.Irvine ORIGINAL ISSUE
© COPYRIGHT 2003 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
2
D Peach M Irvine
WORD
SHEET 3 OF 4 FILE
ODM\6935\7108a4
7108-A4
A
UNCONTROLLED COPY Table 880 Sag/Tension - 2 x 95mm ABC Conductor 1.20
0.5
1.15
0.6
1.0
0.8
1.5
1.25
2.0
1.10
3.0
2.5
4.0 3.5
6.0
5.0 4.5
5.5
7.0 6.5
8.0
9.0
10.0
11.0
115
120
7.5
0°C
1.05 5°C
TENSION (kN)
1.00
10°C 15°C
0.95
25°C 35°C
0.90
50°C
0.85 75°C
0.80 0.75 0.70 0.65 0.60 25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
105
110
125
130
SPAN (m)
APP’D
D Lloyd
SAG TENSION TEMP. CURVES
APP’D D.Lloyd
DATE
26/06/03
95mm 2-CORE L.V.ABC.
CKD G.Bartlett
REC’D
M Irvine
A
DATE
30/06/03
ATHR M.Irvine ORIGINAL ISSUE
© COPYRIGHT 2003 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
2
D Peach M Irvine
WORD
SHEET 4 OF 4 FILE
ODM\6935\7108a4
7108-A4
A
UNCONTROLLED COPY
APP’D
D Lloyd
SAG TENSION TEMP. CURVES
APP’D
DATE
28/05/02
PILOT
CKD
REC’D
M Irvine
A
DATE
ATHR ORIGINAL ISSUE
© COPYRIGHT 2002 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
G Dowling S Hennessy
WORD
SHEET 1 OF 5 FILE
ODM\6935\7022a4
7022-A4
A
UNCONTROLLED COPY
APP’D
D Lloyd
SAG TENSION TEMP. CURVES
APP’D
DATE
28/05/02
PILOT
CKD
REC’D
M Irvine
A
DATE
ATHR ORIGINAL ISSUE
© COPYRIGHT 2002 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
G Dowling S Hennessy
WORD
SHEET 2 OF 5 FILE
ODM\6935\7022a4
7022-A4
A
UNCONTROLLED COPY
APP’D
D Lloyd
SAG TENSION TEMP. CURVES
APP’D
DATE
28/05/02
PILOT
CKD
REC’D
M Irvine
A
DATE
ATHR ORIGINAL ISSUE
© COPYRIGHT 2002 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
G Dowling S Hennessy
WORD
SHEET 3 OF 5 FILE
ODM\6935\7022a4
7022-A4
A
UNCONTROLLED COPY
APP’D
D Lloyd
SAG TENSION TEMP. CURVES
APP’D
DATE
28/05/02
PILOT
CKD
REC’D
M Irvine
A
DATE
ATHR ORIGINAL ISSUE
© COPYRIGHT 2002 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
G Dowling S Hennessy
WORD
SHEET 4 OF 5 FILE
ODM\6935\7022a4
7022-A4
A
UNCONTROLLED COPY
APP’D
D Lloyd
SAG TENSION TEMP. CURVES
APP’D
DATE
28/05/02
PILOT
CKD
REC’D
M Irvine
A
DATE
ATHR ORIGINAL ISSUE
© COPYRIGHT 2002 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
G Dowling S Hennessy
WORD
SHEET 5 OF 5 FILE
ODM\6935\7022a4
7022-A4
A
UNCONTROLLED COPY
APP’D
D Lloyd
TENSION CURVES
APP’D
DATE
28/05/02
CKD
REC’D
M Irvine
PILOT 500 Pa WIND 15º C.
A
DATE
ATHR ORIGINAL ISSUE
© COPYRIGHT 2002 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
G Dowling S Hennessy
WORD
SHEET 1 OF 1 FILE
ODM\6935\7023a4
7023-A4
A
UNCONTROLLED COPY
Conductor Stranding Min. Breal load Weight (N/m) Area EDT Kn (% min. BL) Coeff. of linear Expansion Final Modulus of Elasticity
120mm² CCT 7/7.45 AAAC 1120 27.1 6.3 124 3.6 (13.28%) 23X10-6 65
APP’D
D Lloyd
SAG TENSION TEMP. CURVES
APP’D
DATE
28/05/02
TABLE 220 - CCT
CKD
REC’D
M Irvine
A
DATE
ATHR ORIGINAL ISSUE
© COPYRIGHT 2002 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
G Dowling S Hennessy
WORD
SHEET 1 OF 1 FILE
ODM\6935\7102a4
7102-A4
A
UNCONTROLLED COPY
Conductor Stranding Min. Breal load Weight (N/m) Area EDT kN (% min. BL) Coeff. of linear Expansion Final Modulus of Elasticity
120mm² CCT 7/7.45 AAAC 1120 27.1 6.3 124 1.8 (6.64%) 23X10-6 65
APP’D
D Lloyd
SAG TENSION TEMP. CURVES
APP’D
DATE
28/05/02
TABLE 440 - CCT
CKD
REC’D
M Irvine
A
DATE
ATHR ORIGINAL ISSUE
© COPYRIGHT 2002 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
G Dowling S Hennessy
WORD
SHEET 1 OF 1 FILE
ODM\6935\7103a4
7103-A4
A
UNCONTROLLED COPY
Conductor Stranding Min. Breal load Weight (N/m) Area EDT kN (% min. BL) Coeff. of linear Expansion Final Modulus of Elasticity
120mm² CCT 7/7.45 AAAC 1120 27.1 6.3 124 1.2 (4.43%) 23X10-6 65
APP’D
D Lloyd
SAG TENSION TEMP. CURVES
APP’D
DATE
28/05/02
TABLE 660 - CCT
CKD
REC’D
M Irvine
A
DATE
ATHR ORIGINAL ISSUE
© COPYRIGHT 2002 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
G Dowling S Hennessy
WORD
SHEET 1 OF 1 FILE
ODM\6935\7104a4
7104-A4
A
UNCONTROLLED COPY
Conductor Stranding Min. Breal load Weight (N/m) Area EDT kN (% min. BL) Coeff. of linear Expansion Final Modulus of Elasticity
120mm² CCT 7/7.45 AAAC 1120 27.1 6.3 124 0.9 (3.32%) 23x10-6 65
APP’D
D Lloyd
SAG TENSION TEMP. CURVES
APP’D
DATE
28/05/02
TABLE 880 - CCT
CKD
REC’D
M Irvine
A
DATE
ATHR ORIGINAL ISSUE
© COPYRIGHT 2002 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
G Dowling S Hennessy
WORD
SHEET 1 OF 1 FILE
ODM\6935\7105a4
7105-A4
A
UNCONTROLLED COPY READING A SAG TENSION TEMPERATURE CHART Example Conductor Stringing Tension: Span Length: MES of Strain Section: Temperature:
MOON (7/4.75 AAC) Table 220 74m 108m 50°C
(a) Determine the sag and the tension in the conductor under the above (no wind) condiitions. (b) Determine the conductor tension at 15°C under wind c o n d i t i o n s . A n s w e r
C
E
Solution 1. Select the Sag-Tension-Temperature chart for AAC conductor at stringing table T220, as shown below. 2. Plot the MES length of 108m on the horizontal axis – Point A. Always ‘enter’ the chart from the MES. 3. Trace upwards vertically to the 50°C curve – Point B. 4. Now we have established the tension in the line, which we can read by tracing a horizontal line across to the tension scale for MOON at the left – Point C. Reading from the chart, the tension in the conductor is 1.53kN. 5. To determine the sag, we now plot the actual span length of 74m on the horizontal axis – Point D.
B
6. Trace upward to the horizontal line showing tension, at Point E. Looking at the sag contours on the chart, we note that the sag is slightly less than 1.5m – 1.49m say.
D
A APP’D
D Lloyd
SAG TENSION TEMP. CHARTS
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28/05/02
EXPANATORY NOTES
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REC’D
M Irvine
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Solution (Continued)
UNCONTROLLED COPY
7. For wind conditions, consult the Sag-Tension Chart for AAC T440 – T110 under wind conditions, as shown below. This is a simpler type of graph to read. 8. Plot the actual span length of 74m on the horizontal axis. 9. Trace upward to the curve for MOON at T220. 10. Trace across to the y-axis, and read the tension from the scale, viz. 3.8kN.
APP’D
D Lloyd
SAG TENSION TEMP. CHARTS
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DATE
28/05/02
EXPANATORY NOTES
CKD
REC’D
M Irvine
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DATE
ATHR ORIGINAL ISSUE
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UNCONTROLLED COPY
UNCONTROLLED COPY GLOSSARY OF ABBREVIATIONS AAAC
All Aluminium Alloy Conductor
ESAA
AAC ABC ABS ACSR
Ex Exc Fdr
ADSS AHD AMG Al AS
All Aluminium Conductor Aerial Bundled Cable Air Break Switch Aluminium Conductor Steel Reinforced All Dielectric Self-Supporting Australian Height Datum Australian Map Grid Aluminium Australian Standard
Electricity Supply Association of Australia Existing Excavate, also Excavation Notice Feeder
NS
Neutral Screened
NTS
Not To Scale
OH OPGW
Overhead Optical Ground Wire
GI GT GZ
Galvanised Iron Ground Transformer Galvanised Steel
P/BRANCH PCPF PE Ph PLA PMR
Parallel Branch Precast Concrete Pad Foundation Photoelectric Phase Paper Lead Alloy Pole Mounted Recloser
BIG
Buried In Ground
HAT HDPE HV
BPM CAA CAD
Base Plate Mounted Civil Aviation Authority Computer Aided Drafting
HVABC
Highest Astronomical Tide High Density Polyethylene High Voltage (11 kV/22 kV/33 kV/66 kV) High Voltage Aerial Bundled Cable
Load Transfer Switch Low Voltage (240 V/415 V) Low Voltage Aerial Bundled Cable Low Voltage Main
PMT, PM Prop PSM PSTN PT PTS PVC PW
Padmounted Transformer Proposed (also Property Pole) Permanent Survey Mark Public Switched Telephone Network Pole-mounted Transformer Pole Top Switch Polyvinyl Chloride Parallel Webbed
KBS
King Bolt Spacing
CB CBD CBL CCT Chng C/I, C&I
Circuit Breaker Central Business District Calculated Breaking Load Circuit Chainage Commercial and/or Industrial
LTS LV LVABC LVM MDCF
Maximum Depth Concrete Foundation
QESI
Queensland Electricity Supply Industry
CMEN Conc CT Cu
Common Multiple Earth Neutral Concrete Current Transformer Copper
MEN MES MWT
Multiple Earthed Neutral Mean Equivalent Span (ruling span) Maximum Working Tension
NAEF NB
Natural Earth Foundation Nominal Bore
RBGF RC RL RMU RP
Road Base Gravel Foundation Reinforced Concrete Reduced Level Ring Main Unit Registered Plan
ECM EDT
Electronic Cable Marker Every Day Tension
XLPE
Cross Linked Polyethylene
NMSHVABC Non Metallic Screened HV Aerial Bundled cable
B
DATE
30/6/03
APP’D D LLOYD CKD
G BARTLETT
ATHR M IRVINE ADSS AND OPGW ADDED
APP’D
D Lloyd
DATE
28/05/02
REC’D
M Irvine
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GLOSSARY OF TERMS
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UNCONTROLLED COPY GLOSSARY OF TERMS
AUSTRALIAN HEIGHT DATUM
A type of overhead cable available in both LV and HV comprising XLPE insulated compacted aluminium phase conductors laid together to form a ‘bundle’. HVABC incorporates a catenary wire for extra support and earthing and either a metallic or nonmetallic screen. LVABC is self supporting. In some cases, a HDPE oversheath is incorporated for improved abrasion resistance. A staywire erected between two poles or between a pole and a bollard. A level surface based on the mean sea level at thirty tide gauges around Australia’s mainland coast.
AUSTRALIAN MAP GRID
A means of identifying a site within Australia by coordinate (Northing and Easting).
AIR BREAK SWITCH
3∅, ganged, pole mounted switching device utilising air as an insulation medium. Capable of making, carrying and breaking currents to specified levels under normal conditions. Capabilities are extended through use of arcing horns or “Arcmasters” which respectively provide limited to full load break ability. Air breaks cannot interrupt fault currents. Refer Isolator Switch. A popular proprietary software Computer-Aided Drafting package suitable for use with Personal Computers. Registered Trademark of AutoDesk, Inc. Addition to a LV switchboard. In general it: • includes a GPO with fuse and link • may have additional fused supplies • is connected between the LV switch (ie. isolator or switch fuse), and the most convenient LV fuse or switch fuse. See “Span”.
AERIAL BUNDLED CABLE
AERIAL STAY
AutoCAD
AUXILIARY BOARD
BAY BLOWOUT BOLLARD BRIDGING
The horizontal deviation from centre of powerline conductors subjected to wind forces. A pole specifically for supporting an aerial staywire.
CADASTRAL MAP (Parish Map) CADASTRAL SURVEY PLAN
A map or plan showing details of land tenure (e.g., property boundaries or natural features).
CALCULATED BREAKING LOAD
The minimum load (in kN) at which a conductor fails, >breaks= or exceeds its maximum tensile strength.
CANTILEVER STAY
See “Sidewalk Stay”.
CAPITAL CONTRIBUTION
A payment which an electricity authority requires a customer to make before starting work on a capital (new, or adding to the value of the authority’s assets) project on behalf of the customer. The payment may fully or partly cover the cost of the works. An instrument for measuring slope.
CLINOMETER CHAINAGE
CIRCUIT BREAKER
COMBINATION LINKS
COMMON MEN SYSTEM (CMEN)
Short flexible leads providing electrical continuity across points on the system which are structurally broken.
A map or plan showing details of land tenure use for lodgement to the titles office.
The distance from a datum along the centreline of a roadway. This term and offset are used to make reference to points on roadworks plans. Mechanical switching device capable of making, carrying and breaking currents under normal conditions. Capable of making, carrying for a specified time and breaking currents under specified abnormal conditions (eg. short circuits). Primary control is via external protection relays and manual overrides. Circuit breakers are normally ground mounted. A circuit breaker (fitted with automatic reclose and external protection relays) is operationally similar to a recloser. Circuit breakers may occur in ring main units. Refer Recloser. A combination of links that, close the through circuit and then isolate the apparatus in one sequenced action, or vice versa (eg. Live bypass for single-phase regulators). The LV MEN system extended to include the HV system earthing with voltages up to subtransmission level. See “Multiple Earth Neutral”.
APP’D
D Lloyd
APP’D
DATE
28/05/02
CKD
REC’D
M Irvine
A
DATE
ATHR ORIGINAL ISSUE
© COPYRIGHT 2002 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
GLOSSARY OF TERMS
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COMMON USE POLE
CONDEMNED POLE
CONDUCTOR CONDUIT
UNCONTROLLEDDUCT COPY
A pole owned by either the electricity authority or some other authority (e.g., Telstra) used by both parties to support their mains. A pole assessed as unsuitable to remain in service, typically due to diminished strength from white-ant attack, below-ground rot or some other cause. A wire or other form of conducting material suitable for carrying current. See “Duct”.
EARTHING (Earths)
A pipe or closed passage formed underground or in a structure and intended to receive one or more cables which may be drawn through them. The process of connecting components of electricity supply networks to ground to prevent dangerous voltages occurring on components which may be contacted by persons, or which may be damaged by the voltages. Usually applied to rods, metallic electrodes or a group of interconnected rods and the wire making connection to the distribution system component that is ‘earthed’. A strip of land registered on the title deed in the office of the Registrar of Titles allowing access or other rights to a public body or party other than the owner of the parcel of land on which the easement exists. See “Sustained Load”.
Pole attachments and their configuration, including crossarms and insulators. See “Works Plan”.
EASEMENT
CORFLO
A commercial name for a type of ribbed UPVC conduit.
EVERY DAY TENSION
CROSS-ROAD PILLAR
A service pillar fed by underground supply from the opposite side of the road. See “Padmounted Transformer”.
A charge electricity authorities apply to customers to cover the cost of service cable and installation longer than the maximum length provided free of charge. EXCAVATION NOTICE A form electricity authorities use to obtain approval to excavate a local or public authority footpath to erect poles or install underground cables. A circuit (normally HV) emanating from a substation for FEEDER distributing electric power. A notebook used to record site survey data (e.g., FIELD BOOK distances, bearings, angles, slope readings and topographical features). The depth of earth to be deposited and compacted to raise FILL existing ground levels to proposed ground levels at a particular point in a roadworks or other construction project. A distance relative to the edge of a footpath (usually the FOOTPATH property boundary side) used to describe the position of an ALIGNMENT underground service or pole. A space in the footpath between two alignments FOOTPATH designated by the local or public authority in which a pole ALLOCATION or underground service may be located. A commercial name for a type of segmented steel and GATIC concrete cover used on cast-in-situ pits in roadways and footpaths. GROUND CLEARANCE The vertical distance between the conductor and ground.
CONSTRUCTION CONSTRUCTION DRAWING
CUBICLE TRANSFORMER CUT
The depth of excavation needed to reduce the existing ground levels to proposed ground levels at a particular point in a roadworks or other construction project.
DISCONNECT BOX
Junction box (typically set in the ground), which permits cables to be connected in various configurations, via use of links. 1∅, air insulated (normally), switch used to isolate lines and apparatus from the network. A disconnect link shall be easily operable as a switch. It shall not require unbolting (or otherwise complex disconnection), of electrical connections. Refer Link.
DISCONNECT LINK
DISTRIBUTION NETWORK
DISTRIBUTION SUBSTATION DROP OUT (DO) or DROP OUT FUSE
That part of the electricity supply network at voltages below transmission/ subtransmission level (typically 22 kV, 11 kV and LV). See also “Distribution Mains” or “Distribution System”. A substation that transforms or converts electrical energy from a higher voltage network to a secondary distribution network (see also “Padmounted Transformer”). Drop Out fuse (DO) is a fuse where the fuse carrier drops into an open position, after the fuse has operated. Use of the term EDO shall be discontinued.
EXCESS CABLE CHARGE
APP’D
D Lloyd
APP’D
DATE
28/05/02
CKD
REC’D
M Irvine
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DATE
ATHR ORIGINAL ISSUE
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GLOSSARY OF TERMS
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GUARANTEE
HEAD STAY HEIGHT STICK HIGH VOLTAGE (HV) ISOLATOR SWITCH
JOINT JOINT USE POLE/COLUMN
UNCONTROLLEDLUMINAIRE COPY
A contract signed by a prospective customer which guarantees an electricity authority a set sum of money annually for a fixed term to supply electricity, regardless of whether energy is used or not. See “Aerial Stay”.
MAINS
An extendable stick used for measuring the heights of conductors and poles. Electrical potential in the range of 1000V to 33kV.
MASTER DROP OUT FUSE
1∅ or 3∅, enclosed switching device utilising air, oil, SF6, or vacuum Insulation mediums. Capable of making, carrying and breaking currents to specified levels under normal conditions. Isolators cannot interrupt fault currents. In substations such an enclosed switch shall be called an isolator and a similar non-enclosed switch shall be called an air break. Isolators may exist in ring main units. A location in an electricity supply network where two or more cables join or terminate. See “Common Use Pole”.
MAXIMUM DEMAND INDICATOR
The main bolt attaching a crossarm or other fixture to a pole. KING BOLT SPACING The vertical distance between king bolt attachment points. In a top construction, it may be the distance from below the top of the pole to the attachment point. KIOSK TRANSFORMER See “Padmounted Transformer”. KING BOLT
LINK
LINK PILLAR
1∅, air insulated (normally), isolation point used to isolate lines and apparatus from the network. A link shall require unbolting (or otherwise complex disconnection), of electrical connections. Refer Disconnect Link. A pillar containing isolating links or switch fuses allowing the joining together or disconnection of two or more LV distribution circuits. Commonly found in URD estates.
LOAD TRANSFER SWITCH
An enclosed, non-air insulated, pole mounted switch with full load break capability but no inbuilt protection functions.
LONG SECTION
See “Profile”.
LOW VOLTAGE (LV)
Electrical potential in the range of 32V to 1000V.
A streetlight fitting including lamp, reflector and control equipment. Common parts of a network between various sites, describing particular voltage classes of overhead/underground feeder network (e.g., 11 kV mains, LV mains). Master Drop Out fuse (MDO) is a 3∅, ganged, protective device comprised of drop out fuses. MDO provides discrimination between upstream and downstream protection elements. It is typically located where a spur or tee-off branches form the feeder backbone. It is mechanically configured to open all phases irrespective of fault type. Refer Drop Out Fuse. Maximum Demand Indicator (MDI) is a resettable, peak demand, current measuring device.
MAXIMUM WORKING TENSION
See “Short Duration Load”.
MEAN EQUIVALENT SPAN (Ruling Span)
A theoretical span length used to represent the behaviour of a number of spans of varying lengths in a strain section of an overhead powerline. A specific learning segment, complete in itself, dealing with one or more competency units, capable of being separately assessed and standing on its own. The vertical distance between the centre of a luminaire and the surface of the carriageway immediately beneath. An earthing system connecting the neutral conductor to an earth electrode in a customer’s electrical installation, at electricity authority transformers and at multiple locations on the electricity distribution network. See “Excavation Notice”.
MODULE
MOUNTING HEIGHT MULTIPLE EARTH NEUTRAL (MEN)
NOTICE OF EXCAVATION OPISOMETER
OPTICAL RANGE FINDER
A small hand instrument like a miniature trundle wheel with graduated dial carrying an engraved scale. Used in mapping , it is ‘wheeled’ along a line on a map and the scale distance read from the dial. See “Telemeter”.
OUTRIGGER STAY
See “Sidewalk Stay”.
OVERHEAD
A map or plan detailing the overhead distribution system APP’D
D Lloyd
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DATE
28/05/02
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REC’D
M Irvine
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DATE
ATHR ORIGINAL ISSUE
© COPYRIGHT 2002 ENERGEX CKD This drawing must not be reproduced AUTHR in part or whole without written permission from ENERGEX
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DISTRIBUTION MAP
OVERHEAD MAINS
PADMOUNTED TRANSFORMER (Cubicle, Kiosk Transformer) PARISH MAP PHASING PILLAR PIT PLANTING DEPTH
UNCONTROLLEDREDUCED COPY LEVEL
(e.g., pole positions/numbers, overhead conductor types/sizes, span lengths, pole substations positions/sizes, air break switch positions/sizes and earth sizes). Overhead powerlines constructed of suitable conductors and other components in accordance with the requirements of the Electricity Regulation. Transformer mounted on a pad (typically concrete). Typically considered as a distribution transformer, mounted at ground level and the enclosure (eg. the padmount container) forms an integral part of the transformer. See “Cadastral Map”. The relative positions of the phases in a polyphase power system. See “Service Pillar”. An excavation giving access to underground cables for installation, maintenance or repairs. See “Sinking Depth”.
POLE STAY
The position on a customer’s premises where the electricity authority’s overhead service is attached. A structure (wood, concrete, steel poles and columns) supporting conductors and other equipment forming part of the overhead mains. See “Aerial Stay”.
POLETOP SWITCH
See “Air Break Switch”.
PROFILE
A longitudinal cross-section of ground or a powerline used to check clearances and select optimum pole positions. A painted staff or rod surveyors use to maintain a straight line or mark point. See “Tariff”.
POINT OF ENTRY POLE
RANGE ROD RATE RECLOSER
1∅, or 3∅ protective device able to sense over currents, to time and interrupt overcurrents, and to reclose automatically to re-energise line sections. Line sections with “permanent faults” may be isolated after a set number of operations. Reclosers have hydraulic or electronic controls and use oil, SF6 or vacuum interrupting mediums. Primary control is internal or via manual overrides. Reclosers are normally pole mounted. Refer Circuit Breaker.
The elevation of a point above an adopted datum relative to mean sea level. A regulating transformer in which one winding is intended REGULATOR to be connected in series with a circuit in order to alter its voltage and the other winding is an energising winding. RESOURCE ESTIMATE A list of materials, labour and other requirements for a construction project. Switchable device containing a combination of switch RING MAIN UNIT fuses, and/or isolators, and/or circuit breakers. Typically a HV device connected to a transformer. See “Mean Equivalent Span”. RULING SPAN The vertical distance between an overhead conductor’s SAG midspan height and the chord drawn between the attachment points of the conductor. A transparent template shaped like a boomerang used to SAG TEMPLATE draw profiles of overhead mains conductor spans. A graph of sags and tensions applying to similar conductor SAG TENSION TEMPERATURE CURVE types over a range of span lengths and temperatures. SECTIONALISER
SERVICE
SERVICE PILLAR/PIT
SHORT DURATION LOAD SIDEWALK STAY SINKING DEPTH
Switching device that automatically isolates faulted sections of line from the distribution system. Normally applied in conjunction with a recloser or circuit breaker. Sectionalizer has no fault interrupting capability. It counts operations of recloser/circuit breaker during fault conditions. After a fixed number of counts the sectionalizer opens while the reloser/circuit breaker is open. Sectionalizer is available in 1∅ & 3∅ versions with hydraulic or electronic counting mechanisms. The electricity authority’s wires (running overhead or underground) connecting its mains to the customer’s premises. An enclosure where underground supply to a customer’s premises is connected to the secondary distribution network through a primary fuse. The force applied by the conductors to support structures in an intense wind. A type of ground stay where the staywire is installed vertically; used where footpath space is limited. The depth of a pole below ground level.
APP’D
D Lloyd
APP’D
DATE
28/05/02
CKD
REC’D
M Irvine
A
DATE
ATHR ORIGINAL ISSUE
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UNCONTROLLEDTIPCOPY LOAD
The horizontal distance between the pole attachment points of an overhead conductor. SPANNING LIMITATION The maximum span distance and deviation angle that may be used for a given conductor and construction in an overhead powerline. A short radial electricity line. SPUR LINE A site at which a survey measurement is taken. STATION SPAN (Bay)
The maximum allowable pole tip load that may be applied to a pole by both conductors and wind forces on the pole itself. A section of overhead powerline between fixed strain STRAIN SECTION points (shackle or termination constructions). A table providing stringing tensions and/or sags for a STRINGING TABLE nominated conductor over a range of span lengths and conductor temperatures. The tension to which a conductor is installed in an STRINGING TENSION overhead powerline. The continuous force exerted by conductors under no wind SUSTAINED LOAD conditions at 15°C. SUBDIVIDER’S SUPPLY An agreement between a supply authority and a developer (subdivider) covering conditions of supply to a subdivision. AGREEMENT STRENGTH RATING
SWITCH FUSE
SWITCH GEAR
TARIFF
TELEMETER (Optical Range Finder)
Combination switch and fuse providing a switchable isolation point and protective fusing. Use of the term fuse switch shall be discontinued. Switching devices and their combination with associated control, measuring, protective and regulating equipment. This may include assemblies, interconnections, accessories, enclosures and supporting structures associated with such equipment. A scale of charges and set of conditions electricity authorities apply to customers to cover the capital cost of installation, maintenance and electricity consumed.
Equivalent mechanical load applied to a pole tip by attached conductors or stays. TOPOGRAPHICAL MAP A map or plan showing details of the natural and manmade features of the country (e.g., hills, rivers, forests, swamps, roads and railway bridges etc.). A device that transfers electrical energy from one circuit to TRANSFORMER another, via a magnetic field that links the circuits. Trenches excavated by an electricity authority or developer TRENCHING to install underground cables. A device used to measure linear distances. TRUNDLE WHEEL A map or plan detailing the underground distribution UNDERGROUND system service (e.g., pillar and pit positions, cable pit DISTRIBUTION MAP positions, duct sizes and configurations and cable sizes). See “Sidewalk Stay”. VERTICAL STAY WAVE SAGGING WAYLEAVE
WORKS AUTHORISATION WORKS PLAN (Construction Drawing)
A way of determining conductor sag by timing the return of a wave generated at one end. A written authority which the owner/occupier of a property uses to authorise an electricity authority to construct, maintain and clear vegetation for electrical line installations. A document providing authorisation of works and expenditure associated with provision of electricity supply. An instruction in the form of a drawing or plan detailing the construction requirements to carry out nominated capital or maintenance works on the electricity distribution system.
A handheld optical instrument which measures the height of objects (conductors etc.) by focusing two images of the object in the field of view until they are aligned. The distance between the instrument and object is read from a scale on the instrument. The height of the instrument above ground is added to the reading to determine the object’s height.
APP’D
D Lloyd
APP’D
DATE
28/05/02
CKD
REC’D
M Irvine
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DATE
ATHR ORIGINAL ISSUE
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