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8/11/2019 Wind Pressure Calculation
1/30
DATE
Design Check REV : 0
WIND PRESSURE CALCULATION
Code : EN50341-1-2012
Specification : Tender Spec
Terrain Category = II
Design Wind Speed Vp = 38.9 m/s
Reference Height h = 10 m/s
Roughness Length z0 = 0.05 m
Topography Factor C0 = 1
Turbulence intensity Iv(10) 1/(C0* ln (h/z0)) = 0.189
Basic Wind Velocity Vb,0 Vp/sqrt (1+7 Iv(10)) = 25.523 m/s
For OPGW
Wind Direction factor Cdir = 1
Terrain Factor kr = 0.189
Max height of OPGW h = 26.85 m
Mean wind velocity Vh (h) Vb,0 x Cdirx C0x krx ln (h/z0) = 30.323 m/s
Air Density = 1.25
Dynamic wind pressure qh (h) 0.5* * Vh (h)2
= 574.678 N/m2
Turbulence intensity Iv(h) 1/(C0* ln (h/z0)) = 0.159
Peak wind pressure qp (h) [ 1+7 Iv(h)] x qh (h) = 1214.3 N/m2
= 123.781 kg/m2
Wind Pressure on Conductor Qwe_v qp(h) x Gc xCc
Gc For 350m Span & 27m ht = 0.661Cc = 1
Wind Pressure Qwe_v = 81.819 kg/m2
For Conductor
Wind Direction factor Cdir = 1
Terrain Factor kr = 0.189
Max height of Conductor h = 22.35 m
Mean wind velocity Vh (h) Vb,0 x Cdirx C0x krx ln (h/z0) = 29.438 m/s
Air Density = 1.25
Dynamic wind pressure qh (h) 0.5* * Vh (h) 2 = 541.622 N/m2
Turbulence intensity Iv(h) 1/(C0* ln (h/z0)) = 0.164
Peak wind pressure qp (h) [ 1+7 Iv(h)] x qh (h) = 1163.4 N/m2
= 118.594 kg/m2
Wind Pressure on Conductor Qwc_v qp(h) x Gc xCc
Gc For 350m Span & 22.5m ht = 0.6475
Cc = 1
Wind Pressure Qwc_v = 76.789 kg/m2
Loading Calculation For Tower Type "
S (0-2) "Title :
Project :Document No :
8/11/2019 Wind Pressure Calculation
2/30
DATE
Design Check REV : 0Loading Calculation For Tower Type "
S (0-2) "Title :
Project :Document No :
PHASE TO PHASE/OPGW CLEARANCE CALCULATION
Phase to Phase clearance c k.(fmax+li) + 0.75*Dpp
Maximum Sag fmax = 9.56 m Sag & Tension
length of insulator Li = 2.1 m Tender drg
Min clearance Dpp = 1.4 m TS - Cl.4.4.3.4(a)Factor for all clearances k = 0.6 TS - Cl.4.4.3.4(a)
Phase to Phase clearance c = 3.099 m
Phase to OPGW clearance c k.(fmax+li) + 0.75*Del
Maximum Sag fmax = 9.56 m Sag & Tension
length of insulator Li = 2.1 m Tender drg
Min Clearance Del = 1.2 m TS - Cl.4.4.3.4(a)
Factor for all clearances k = 0.6 TS - Cl.4.4.3.4(a)
Phase to OPGW clearance c = 2.949 m
Swing Angle Calculation for Insulators
Wind Span of Conductor Ws = 350 m
Weight Span of Conductor Wts = 450 m
Self Weight of Conductor Wc = 0.98 kg
Dia of Conductor Dc = 21.8 mm
Dia of Insulator Di (Assumed) = 190 mm
Length of Insulator Li (Tender drawing) = 2100 mm
Weight of Insulator Wi (Assumed) = 75 kg
Peak Wind pressure qp(h) = 118.594 Kg/m2
Wind Pressure on Conductor Qwc_v qp(h) x Gc xCc
Gc For 350m Span & 22.5m ht = 0.6475 EN - Table 4.4c
Cc = 1 TS - Cl.4.4.1.3
Wind Pressure Qwc_v = 76.789 Kg/m2
Wind Pressure on Insulator Qwins qp(h) x Gins x Cins
Structural factor Gins = 1
Insulator drag factor Cins = 1.2
Wind Pressure on Insulator Qwins = 142.312 Kg/m2
Swing Angle Calculation 58% maximum wind
Weight to Wind Span r Wts/Ws = 0.75
Weight of Conductor QGc Wts x Wc = 441 kg
Weight of Insulator QGi Wi = 75 kg
Wind Load on Conductor Qwc Qwc_v x Ws x Dc x 0.58 = 339.82 kg
Wind Load on Insulator Qwi Qwins x Li x Di = 56.78 kg
Swing Angle tan (Qwc + 0.5xQwi) = 0.99989
(r.QGc +0.5 QGi)
Swing Angle = 45
8/11/2019 Wind Pressure Calculation
3/30
DATE
Design Check REV : 0Loading Calculation For Tower Type "
S (0-2) "Title :
Project :Document No :
Swing Angle Calculation maximum wind
Weight to Wind Span r Wts/Ws = 0.75
Weight of Conductor QGc Wts x Wc = 441 kg
Weight of Insulator QGi Wi = 75 kg
Wind Load on Conductor Qwc Qwc_v x Ws x Dc = 585.9 kgWind Load on Insulator Qwi Qwins x Li x Di = 56.78 kg
Swing Angle tan (Qwc + 0.5xQwi) = 1.66813
(r.QGc +0.5 QGi)
Swing Angle = 59.06
8/11/2019 Wind Pressure Calculation
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X Y
1 -1.95 26.85
2 3 2 -0.6 26.85
1 4 3 0.6 26.85
4 1.95 26.85
Panel 6 5 6 5 -0.6 25.65
6 0.6 25.65
7 -3.1 24.45
7 8 9 10 8 -0.6 24.45
9 0.6 24.45
11 12 10 3.1 24.45
Panel 5 11 -0.6 23.15
13 14 12 0.6 23.15
13 -0.6 21.85
14 0.6 21.85
15 16 17 18 15 -3.4 20.65
16 -0.6 20.65
17 0.6 20.65
Panel 4 19 20 18 3.4 20.65
19 -0.6 18.7
20 0.6 18.7
21 -3.1 17.5
21 22 23 24 22 -0.6 17.5
23 0.6 17.5
Panel 3 24 3.1 17.5
25 26 25 -0.6 15.5
26 0.6 15.5
27 -0.761 13.5
27 28 28 0.761 13.5
29 -0.963 11
30 0.963 11
31 -1.205 8
32 1.205 8
Panel 2 29 30 33 -1.487 4.5
34 1.487 4.5
35 -1.648 2.5
36 1.648 2.5
37 -1.81 0.5
38 1.81 0.5
31 32
Coordinates in Slope
Y X
1 15.5 0.6
33 34 2 0 1.85
Panel 1 0.5 0.5 1.81
2 2.5 1.648
2 4.5 1.487
35 36 3.5 8 1.205
3 11 0.963
2.5 13.5 0.761
Y 2 15.5 0.6
37 38
X
8/11/2019 Wind Pressure Calculation
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8/11/2019 Wind Pressure Calculation
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PT1 PT2
Length in
m
No. of
identical
Width in
m
Panel 6 1 2 1.35 2 0.1 0.27
1 5 1.806 2 0.1 0.3612
2 6 1.697 2 0.1 0.3394
2 5 1.2 2 0.1 0.24
2 3 1.2 1 0.1 0.12
5 6 1.2 1 0.1 0.12
5 7 2.773 2 0.1 0.5546
5 9 1.697 2 0.1 0.3394
7 8 2.5 2 0.1 0.5
8 9 1.2 1 0.1 0.12
5 8 1.2 2 0.1 0.24
At 4.486 40% extra for Sub Bracing
Total Area
1 4 3.9
5 6 1.2
1.2
5 6 1.2
7 10 6.2
1.2 7.5
Solidity ratio 0.598
Ct (3.96(1-1.5SR+SR2) 1.824
Panel 5 8 9 1.2 1 0.1 0.12
8 11 1.3 2 0.1 0.26
11 13 1.3 2 0.1 0.26
13 14 1.2 2 0.1 0.24
13 15 3.046 2 0.1 0.6092
13 16 1.2 2 0.1 0.24
13 17 1.697 2 0.1 0.3394
15 16 2.8 2 0.1 0.56
16 17 1.2 1 0.1 0.12
8 12 1.769 2 0.1 0.3538
11 14 1.769 2 0.1 0.3538
At 4.839 40% extra for Sub Bracing
Total Area
8 9 1.2
13 14 1.2
2.6
13 14 1.2
15 18 6.8
1.2 7.92
Solidity ratio 0.611
Ct (3.96(1-1.5SR+SR2) 1.809
Panel 4 16 17 1.2 1 0.1 0.12
16 19 1.95 2 0.1 0.39
19 20 1.2 1 0.1 0.12
19 21 2.773 2 0.1 0.5546
19 22 1.2 2 0.1 0.24
21 22 2.5 2 0.1 0.5
22 23 1.2 1 0.1 0.12
16 20 2.29 2 0.1 0.458
19 23 1.697 2 0.1 0.3394
At 3.979 40% extra for Sub Bracing
Total Area
8/11/2019 Wind Pressure Calculation
7/30
16 17 1.2
19 20 1.2
1.95
19 20 1.2
21 24 6.2
1.2 6.78
Solidity ratio 0.587
Ct (3.96(1-1.5SR+SR2) 1.838
Panel 1
36 38 2.007 2 0.1 0.4014
33 38 5.184 2 0.1 1.0368
35 36 3.296 1 0.1 0.3296
31 34 4.416 2 0.1 0.8832
32 34 3.511 2 0.1 0.7022
At 4.694 40% extra for Sub Bracing
Total Area
31 32 2.41
37 38 3.62
7.5 22.613
Solidity ratio 0.208
Ct (3.96(1-1.5SR+SR
2
) 2.896Panel 2 30 32 3.01 2 0.1 0.602
28 30 2.508 2 0.1 0.5016
29 32 3.701 2 0.1 0.7402
27 30 3.037 2 0.1 0.6074
31 32 2.41 1 0.1 0.241 40% extra for Sub Bracing
At 3.769
Total Area
27 28 1.522
31 32 2.41
5.5 10.813
Solidity ratio 0.349
Ct (3.96(1-1.5SR+SR
2
) 2.369
Panel 3 26 28 2.006 2 0.1 0.4012
23 26 2 2 0.1 0.4
22 26 2.332 2 0.1 0.4664
25 28 2.419 2 0.1 0.4838
25 26 1.2 1 0.1 0.12
At 2.62 40% extra for Sub Bracing
Total Area
22 23 1.2
27 28 1.522
23 28 4 5.444
Solidity ratio 0.481
Ct (3.96(1-1.5SR+SR2) 2.019
8/11/2019 Wind Pressure Calculation
8/30
DATE
07.02.14
Design Check REV : 0
SSN SJL/TA
Basic Wind Velocity Vb,0 = 25.523 m/s
Wind Direction factor Cdir = 1
Terrain Factor kr = 0.189
Roughness Length z0 = 0.05 mTopography Factor C0 = 1
Air Density = 1.25
Structural Factor Gt = 1
Turbulence intensity Iv(h) 1/(C0* ln (h/z0))
Mean wind velocity Vh (h) Vb,0 x Cdirx C0x krx ln (h/z0) m/s
Dynamic wind pressure qh (h) 0.5* * Vh (h)2
N/m2
Peak wind pressure qp (h) [ 1+7 Iv(h)] x qh (h) N/m2
Wind Load Tower Panels
QWt qp(h) x Gtx (1+0.2 sin22) x Ctx At
Panel Ht Iv(h) Vh(h) qh(h) qp(h) Ct At Qwt
4.25 0.225 21.431 287.055 739.167 2.896 4.694 2512.027
10.75 0.186 25.907 419.483 965.65 2.369 3.769 1649.961
15.5 0.174 27.672 478.587 1061.506 2.019 2.62 977.5078
19.075 0.168 28.673 513.838 1118.111 1.838 3.979 1351.456
22.55 0.164 29.481 543.206 1166.806 1.809 4.839 1617.621
25.65 0.16 30.102 566.332 1200.624 1.824 4.486 1512.052
Project : 132kV DC for Liberia Eletricty CorporationDocument No :
Title :Loading Calculation For Tower Type
" S (0-2) "
8/11/2019 Wind Pressure Calculation
9/30
DATE
07.02.2014
Design Check REV : 0
SSN SJL/TA
Technical Parameters
OPGW Data:
Diameter Dg = 13.2 mm
Weight Wg = 6.64 N/m
No. of OPGW Ng = 1 NosTension at 15+NW Gtn = 10186 N
Tension at 15+FW Gtf = 21961 N
Tension at 15+QW Gtq = 19049 N
Tension at 15+HW Gth = 14702 N
Tension at 15+HQW Gthq = 13348 N
EW Data:
Diameter De = 14 mm
Weight We = 6.13 N/m
No .of EW Ne = 1 Nos
Tension at 15+NW Etn = 9433 N
Tension at 15+FW Etf = 22233 N
Tension at 15+QW Etq = 19193 N
Tension at 15+HW Eth = 14564 N
Tension at 15+HQW Ethq = 13078 N
Conductor Data:
Diameter Dc = 21.8 mm
Weight Wc = 9.61 N/m
No. of Conductor Nc = 1 Nos
Tension at 15+FW Ctn = 14975 N
Tension at 15+FW Ctf = 33795 N
Tension at 15+QW Ctq = 29272 N
Tension at 15+HW Cth = 22423 N
Tension at 15+HQW Cthq = 20234 NInsulator Data:
Diameter Di (Assumed) = 190 mm
Weight Wi (Assumed) = 736 N
Length Li Tender Dwg = 2100 mm
No. of Insulator Ni Tender Dwg = 1 Nos
Span
Weight Span Min Wtsx = 450 m
Weight Span Max Wtsn = 150 m
Wind Span Ws = 350 m
Wind Pressure
T.W Pressure on OPGW/EW Qwev = 802.64 N/m2
T.W Pressure on Conductor Qwcv = 786.25 N/m2
T.W Pressure on Insulator Qwins = 1396.08 N/m2
Q.W Pressure on OPGW/EW Qwev1 0.8*Qwev = 642.12 N/m2
Q.W Pressure on Conductor Qwcv1 0.8*Qwcv = 629 N/m2
Q.W Pressure on Insulator Qwins1 0.8*Qwins = 1116.86 N/m2
Line Angle:
Min Line Angle idmin = 0
Max Line Angle idmax = 2
Project : 132kV DC for Liberia Eletricty CorporationDocument No :
Title :Loading Calculation For Tower Type
" 2NS (0-2) "
Pag
8/11/2019 Wind Pressure Calculation
10/30
DATE
07.02.2014
Design Check REV : 0
SSN SJL/TA
Project : 132kV DC for Liberia Eletricty CorporationDocument No :
Title :Loading Calculation For Tower Type
" 2NS (0-2) "
Vertical Load
Conductor
Weight of Conductor Max Min
=(Wc*Nc*Wtsx(Wtsn)) = 4325 1442 NWeight of Insulator
=(Wi*Ni) = 736 736 N
Weight of Linesmen with tool = 981 981 N
= 6042 3159 N
OPGW
Weight of OPGW Max Min
=(Wg*Ng*Wtsx(Wtsn)) = 2988 996 N
Weight of Linesmen with tool = 981 981 N
= 3969 1977 N
Earthwire
Weight of EW Max Min
=(We*Ne*Wtsx(Wtsn)) = 2759 920 N
Weight of Linesmen with tool = 981 981 N
= 3740 1901 N
Transverse Load
Conductor
Wind of Conductor
=(Dc*Nc*Ws*Qwcv) = 5999 N
Wind of Insulator
=(Di*Ni*Li*Qwins) = 557 N
Deviation Load
=(2*Ctf*sin(idmin/2)) = 0 N
= 6556 NOPGW
Wind of OPGW
=(Dg*Ng*Ws*Qwev) = 3708 N
Deviation Load
=(2*Gtf*sin(idmin/2)) = 0 N
= 3708 N
Earth Wire
Wind of EW
=(De*Ne*Ws*Qwev) = 3933 N
Deviation Load
=(2*Etf*sin(idmin/2)) = 0 N
= 3933 N
= (6.13*1*450(150))
Total Vertical Load, Nvex/Nven
=(2*22233*sin(0/2))
Total Vertical Load, Nte
=(2*21961*sin(0/2))
Total Vertical Load, Ntg
= (0.014*1*350*802.64)
= (0.0132*1*350*802.64)
= (0.19*1*2.1*1396.08)
=(2*33795*sin(0/2))
Total Vertical Load, Ntc
= (0.0218*1*350*786.25)
= (6.64*1*450(150))
Total Vertical Load, Nvgx/Nvgn
= (736*1)
Total Vertical Load, Nvcx/Nvcn
= (9.61*1*450(150))
Condition: Normal Working, Transverse Wind
Page
8/11/2019 Wind Pressure Calculation
11/30
DATE
07.02.2014
Design Check REV : 0
SSN SJL/TA
Project : 132kV DC for Liberia Eletricty CorporationDocument No :
Title :Loading Calculation For Tower Type
" 2NS (0-2) "
Vertical Load
Conductor
Weight of Conductor Max Min
=(Wc*Nc*Wtsx(Wtsn)) = 4325 1442 NWeight of Insulator
=(Wi*Ni) = 736 736 N
Weight of Linesmen with tool = 981 981 N
= 6042 3159 N
OPGW
Weight of OPGW
=(Wg*Ng*Wtsx(Wtsn)) = 2988 996 N
Weight of Linesmen with tool = 981 981 N
= 3969 1977 N
Earthwire
Weight of EW
=(We*Ne*Wtsx(Wtsn)) = 2759 920 N
Weight of Linesmen with tool = 981 981 N
= 3740 1901 N
Transverse Load
Conductor
Wind of Conductor
=(Dc*Nc*Ws*Qwcv1) = 4799 N
Wind of Insulator
=(Di*Ni*Li*Qwins1) = 446 N
Deviation Load
=(2*Ctq*sin(idmin/2)) = 0 N
= 5245 NOPGW
Wind of OPGW
=(Dg*Ng*Ws*Qwev1) = 2967 N
Deviation Load
=(2*Gtq*sin(idmin/2)) = 0 N
= 2967 N
Earth Wire
Wind of EW
=(De*Ne*Ws*Qwev1) = 3146 N
Deviation Load
=(2*Etq*sin(idmin/2)) = 0 N
= 3146 NTotal Vertical Load, Nqte
= (0.014*1*350*642.12)
=(2*19193*sin(0/2))
= (0.0132*1*350*642.12)
=(2*19049*sin(0/2))
Total Vertical Load, Nqtg
= (0.19*1*2.1*1116.86)
=(2*29272*sin(0/2))
Total Vertical Load, Nqtc
= (0.0218*1*350*629)
= (6.13*1*450(150))
Total Vertical Load, Nvex1/Nven1
= (6.64*1*450(150))
Total Vertical Load, Nvgx1/Nvgn1
= (9.61*1*450(150))
= (736*1)
Total Vertical Load, Nvcx1/Nvcn1
Condition: Normal Working, Oblique Wind
Page
8/11/2019 Wind Pressure Calculation
12/30
DATE
07.02.2014
Design Check REV : 0
SSN SJL/TA
Project : 132kV DC for Liberia Eletricty CorporationDocument No :
Title :Loading Calculation For Tower Type
" 2NS (0-2) "
Vertical Load
Conductor
Weight of Conductor Max Min
=(Wc*Nc*Wtsx(Wtsn)) = 4325 1442 NWeight of Insulator
=(Wi*Ni) = 736 736 N
= 5061 2178 N
OPGW
Weight of OPGW
=(Wg*Ng*Wtsx(Wtsn)) = 2988 996 N
= 2988 996 N
Earthwire
Weight of EW
=(We*Ne*Wtsx(Wtsn)) = 2759 920 N
= 2759 920 N
Transverse Load
Conductor
Wind of Conductor
=(Dc*Nc*Ws*Qwcv) = 5999 N
Wind of Insulator
=(Di*Ni*Li*Qwins) = 557 N
Deviation Load
=(2*Ctf*sin(idmin/2)) = 0 N
= 6556 N
OPGW
Wind of OPGW
=(Dg*Ng*Ws*Qwev) = 3708 NDeviation Load
=(2*Gtf*sin(idmin/2)) = 0 N
= 3708 N
Earth Wire
Wind of EW
=(De*Ne*Ws*Qwev) = 3933 N
Deviation Load
=(2*Etf*sin(idmin/2)) = 0 N
= 3933 N
Longitudinal load
Conductor
Deviation Load
=(0.5*Ctf*cos(idmin/2)) = 16898 N
= 16898 N
OPGW
Deviation Load
=(0.65*Gtf*cos(idmin/2)) = 14275 N
= 14275 N
Earth Wire
=(0.65*Etf*cos(idmin/2)) = 14451 N
Deviation Load
= 14451 NTotal Vertical Load, Ble
=(0.65*22233*cos(0/2))
=(0.65*21961*cos(0/2))
Total Vertical Load, Blg
=(0.5*33795*cos(0/2))
Total Vertical Load, Blc
= (0.014*1*350*802.64)
=(2*22233*sin(0/2))
Total Vertical Load, Bte
= (0.0132*1*350*802.64)
=(2*21961*sin(0/2))
Total Vertical Load, Btg
=(2*33795*sin(0/2))
Total Vertical Load, Btc
= (0.0218*1*350*786.25)
= (0.19*1*2.1*1396.08)
= (6.13*1*450(150))
Total Vertical Load, Bvex/Bven
= (6.64*1*450(150))
Total Vertical Load, Bvgx/Bvgn
= (736*1)
Total Vertical Load, Bvcx/Bvcn
Condition: Broken, Transverse Wind
= (9.61*1*450(150))
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DATE
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Design Check REV : 0
SSN SJL/TA
Project : 132kV DC for Liberia Eletricty CorporationDocument No :
Title :Loading Calculation For Tower Type
" 2NS (0-2) "
Vertical Load
Conductor
Weight of Conductor Max Min
=(Wc*Nc*Wtsx(Wtsn)) = 4325 1442 NWeight of Insulator
=(Wi*Ni) = 736 736 N
= 5061 2178 N
OPGW
Weight of OPGW
=(Wg*Ng*Wtsx(Wtsn)) = 2988 996 N
= 2988 996 N
Earthwire
Weight of EW
=(We*Ne*Wtsx(Wtsn)) = 2759 920 N
= 2759 920 N
Transverse Load
Conductor
Wind of Conductor
=(Dc*Nc*Ws*Qwcv1) = 4799 N
Wind of Insulator
=(Di*Ni*Li*Qwins1) = 446 N
Deviation Load
=(2*Ctq*sin(idmin/2)) = 0 N
= 5245 N
OPGW
Wind of OPGW
=(Dg*Ng*Ws*Qwev1) = 2967 NDeviation Load
=(2*Gtq*sin(idmin/2)) = 0 N
= 2967 N
Earth Wire
Wind of EW
=(De*Ne*Ws*Qwev1) = 3146 N
Deviation Load
=(2*Etq*sin(idmin/2)) = 0 N
= 3146 N
Longitudinal load
Conductor
Deviation Load
=(0.5*Ctq*cos(idmin/2)) = 14636 N
= 14636 N
OPGW
Deviation Load
=(0.65*Gtq*cos(idmin/2)) = 12382 N
= 12382 N
Earth Wire
Deviation Load
=(0.65*Etq*cos(idmin/2)) = 12475 N
= 12475 N
=(0.65*19193*cos(0/2))
Total Vertical Load, Bqle
Total Vertical Load, Bqlc
=(0.65*19049*cos(0/2))
Total Vertical Load, Bqlg
Total Vertical Load, Bqte
=(0.5*29272*cos(0/2))
= (0.014*1*350*642.12)
=(2*19193*sin(0/2))
= (0.0132*1*350*642.12)
=(2*19049*sin(0/2))
Total Vertical Load, Bqtg
= (0.19*1*2.1*1116.86)
=(2*29272*sin(0/2))
Total Vertical Load, Bqtc
= (0.0218*1*350*629)
= (6.13*1*450(150))
Total Vertical Load, Bvex1/Bven1
= (6.64*1*450(150))
Total Vertical Load, Bvgx1/Bvgn1
= (9.61*1*450(150))
= (736*1)
Total Vertical Load, Bvcx1/Bvcn1
Condition: Broken, Oblique Wind
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DATE
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Design Check REV : 0
SSN SJL/TA
Project : 132kV DC for Liberia Eletricty CorporationDocument No :
Title :Loading Calculation For Tower Type
" 2NS (0-2) "
Vertical Load
Conductor
Weight of Conductor Max Min
=(Wc*Nc*Wtsx(Wtsn)) = 4325 1442 NWeight of Insulator
=(Wi*Ni) = 736 736 N
= 5061 2178 N
OPGW
Weight of OPGW
=(Wg*Ng*Wtsx(Wtsn)) = 2988 996 N
= 2988 996 N
Earthwire
Weight of EW
=(We*Ne*Wtsx(Wtsn)) = 2759 920 N
= 2759 920 N
Transverse Load
Conductor
Wind of Conductor
=(Dc*Nc*Ws*Qwcv) = 5999 N
Wind of Insulator
=(Di*Ni*Li*Qwins) = 557 N
Deviation Load
=(2*Ctf*sin(idmin/2)) = 0 N
= 6556 N
OPGW
Wind of OPGW
=(Dg*Ng*Ws*Qwev) = 3708 NDeviation Load
=(2*Gtf*sin(idmin/2)) = 0 N
= 3708 N
Earth Wire
Wind of EW
=(De*Ne*Ws*Qwev) = 3933 N
Deviation Load
=(2*Etf*sin(idmin/2)) = 0 N
= 3933 N
Longitudinal load
Conductor
Deviation Load
=(0.2*Ctf*cos(idmin/2)) = 6759 N
= 6759 N
OPGW
Deviation Load
=(0.4*Gtf*cos(idmin/2)) = 8784 N
= 8784 N
Earth Wire
Deviation Load
=(0.4*Etf*cos(idmin/2)) = 8893 N
= 8893 N
=(0.4*22233*cos(0/2))
Total Vertical Load, Cle
=(0.4*21961*cos(0/2))
Total Vertical Load, Clg
=(0.2*33795*cos(0/2))
Total Vertical Load, Clc
= (0.014*1*350*802.64)
=(2*22233*sin(0/2))
Total Vertical Load, Cte
= (0.0132*1*350*802.64)
=(2*21961*sin(0/2))
Total Vertical Load, Ctg
=(2*33795*sin(0/2))
Total Vertical Load, Ctc
= (0.0218*1*350*786.25)
= (0.19*1*2.1*1396.08)
= (6.13*1*450(150))
Total Vertical Load, Cvex/Cven
= (6.64*1*450(150))
Total Vertical Load, Cvgx/Cvgn
= (736*1)
Total Vertical Load, Cvcx/Cvcn
Condition: Cascading, Transverse Wind
= (9.61*1*450(150))
Page
8/11/2019 Wind Pressure Calculation
15/30
DATE
07.02.2014
Design Check REV : 0
SSN SJL/TA
Project : 132kV DC for Liberia Eletricty CorporationDocument No :
Title :Loading Calculation For Tower Type
" 2NS (0-2) "
Vertical Load
Conductor
Weight of Conductor Max Min
=(Wc*Nc*Wtsx(Wtsn)) = 4325 1442 NWeight of Insulator
=(Wi*Ni) = 736 736 N
Weight of Linesmen with tool = 981 981 N
= 6042 3159 N
OPGW
Weight of OPGW
=(Wg*Ng*Wtsx(Wtsn)) = 2988 996 N
Weight of Linesmen with tool = 981 981 N
= 3969 1977 N
Earthwire
Weight of EW
=(We*Ne*Wtsx(Wtsn)) = 2759 920 N
Weight of Linesmen with tool = 981 981 N
= 3740 1901 N
Transverse Load
Conductor
Wind of Conductor
=(Dc*Nc*Ws*Qwcv1) = 4799 N
Wind of Insulator
=(Di*Ni*Li*Qwins1) = 446 N
Deviation Load
=(2*Ctq*sin(idmin/2)) = 0 N
= 5245 NOPGW
Wind of OPGW
=(Dg*Ng*Ws*Qwev1) = 2967 N
Deviation Load
=(2*Gtq*sin(idmin/2)) = 0 N
= 2967 N
Earth Wire
Wind of EW
=(De*Ne*Ws*Qwev1) = 3146 N
Deviation Load
=(2*Etq*sin(idmin/2)) = 0 N
= 3146 N
Longitudinal load
Conductor
=(0.2*Ctq*cos(idmin/2)) = 5854 N
= 5854 N
OPGW
=(0.4*Gtq*cos(idmin/2)) = 7620 N
= 7620 N
Earth Wire
=(0.4*Etq*cos(idmin/2)) = 7677 N
= 7677 NTotal Vertical Load, Cqle
=(0.4*19049*cos(0/2))
Total Vertical Load, Cqlg
=(0.4*19193*cos(0/2))
=(0.2*29272*cos(0/2))
Total Vertical Load, Cqlc
=(2*19193*sin(0/2))
Total Vertical Load, Cqte
=(2*19049*sin(0/2))
Total Vertical Load, Cqtg
= (0.014*1*350*642.12)
Total Vertical Load, Cqtc
= (0.0132*1*350*642.12)
= (0.0218*1*350*629)
= (0.19*1*2.1*1116.86)
=(2*29272*sin(0/2))
Total Vertical Load, Cvex1/Cven1
Total Vertical Load, Cvgx1/Cvgn1
= (6.13*1*450(150))
Total Vertical Load, Cvcx1/Cvcn1
= (6.64*1*450(150))
= (9.61*1*450(150))
= (736*1)
Condition: Cascading, Oblique Wind
Page
8/11/2019 Wind Pressure Calculation
16/30
DATE
07.02.2014
Design Check REV : 0
SSN SJL/TA
Project : 132kV DC for Liberia Eletricty CorporationDocument No :
Title :Loading Calculation For Tower Type
" 2NS (0-2) "
Vertical Load
Conductor
Weight of Conductor Max Min
=(Wc*Nc*Wtsx(Wtsn)) = 4325 1442 NWeight of Insulator
=(Wi*Ni) = 736 736 N
Weight of Linesmen with tool = 981 981 N
= 6042 3159 N
OPGW
Weight of OPGW
=(Wg*Ng*Wtsx(Wtsn)) = 2988 996 N
Weight of Linesmen with tool = 981 981 N
= 3969 1977 N
Earthwire
Weight of EW
=(We*Ne*Wtsx(Wtsn)) = 2759 920 N
Weight of Linesmen with tool = 981 981 N
= 3740 1901 N
= (6.13*1*450(150))
Total Vertical Load, Evex/Even
= (6.64*1*450(150))
Total Vertical Load, Evgx/Evgn
= (9.61*1*450(150))
= (736*1)
Total Vertical Load, Evcx/Evcn
Condition: Erection, No Wind
Page
8/11/2019 Wind Pressure Calculation
17/30
DATE
07.02.2014
Design Check REV : 0
SSN SJL/TA
Project : 132kV DC for Liberia Eletricty CorporationDocument No :
Title :Loading Calculation For Tower Type
" 2NS (0-2) "
Vertical Load
Conductor
Weight of Conductor Max Min
=(Wc*Nc*Wtsx(Wtsn)) = 4325 1442 NWeight of Insulator
=(Wi*Ni) = 736 736 N
= 5061 2178 N
OPGW
Weight of OPGW
=(Wg*Ng*Wtsx(Wtsn)) = 2988 996 N
= 2988 996 N
Earthwire
Weight of EW
=(We*Ne*Wtsx(Wtsn)) = 2759 920 N
= 2759 920 N
Transverse Load
Conductor
Wind of Conductor
=(Dc*Nc*Ws*0.5*Qwcv) = 3000 N
Wind of Insulator
=(Di*Ni*Li*Qwins) = 279 N
Deviation Load
=(2*Cth*sin(idmin/2)) = 0 N
= 3279 N
OPGW
Wind of OPGW=(Dg*Ng*Ws*0.5*Qwev) = 1854 N
Deviation Load
=(2*Gth*sin(idmin/2)) = 0 N
= 1854 N
Earth Wire
Wind of EW
=(De*Ne*Ws*0.5*Qwev) = 1966 N
Deviation Load
=(2*Eth*sin(idmin/2)) = 0 N
= 1966 N
Total Vertical Load, Etg
= (0.014*1*350*0.5*802.64)
=(2*14702*sin(0/2))
= (0.19*1*2.1*0.5*1396.08)
=(2*22423*sin(0/2))
Total Vertical Load, Etc
=(2*14564*sin(0/2))
Total Vertical Load, Ete
= (0.0218*1*350*0.5*786.25)
= (6.64*1*450(150))
Total Vertical Load, Evgx0/Evgn0
= (6.13*1*450(150))
= (0.0132*1*350*0.5*802.64)
Condition: Erection, 50% Transverse Wind
= (9.61*1*450(150))
= (736*1)
Total Vertical Load, Evcx0/Evcn0
Total Vertical Load, Evex0/Even0
Page
8/11/2019 Wind Pressure Calculation
18/30
DATE
07.02.2014
Design Check REV : 0
SSN SJL/TA
Project : 132kV DC for Liberia Eletricty CorporationDocument No :
Title :Loading Calculation For Tower Type
" 2NS (0-2) "
Vertical Load
Conductor
Weight of Conductor Max Min
=(Wc*Nc*Wtsx(Wtsn)) = 4325 1442 NWeight of Insulator
=(Wi*Ni) = 736 736 N
Weight of Linesmen with tool = 981 981 N
= 6042 3159 N
OPGW
Weight of OPGW
=(Wg*Ng*Wtsx(Wtsn)) = 2988 996 N
Weight of Linesmen with tool = 981 981 N
= 3969 1977 N
Earthwire
Weight of EW
=(We*Ne*Wtsx(Wtsn)) = 2759 920 N
Weight of Linesmen with tool = 981 981 N
= 3740 1901 N
Transverse Load
Conductor
Wind of Conductor
=(Dc*Nc*Ws*0.5*Qwcv1) = 2400 N
Wind of Insulator
=(Di*Ni*Li*0.5*Qwins1) = 223 N
Deviation Load
=(2*Cthq*sin(idmin/2)) = 0 N
= 2623 NOPGW
Wind of OPGW
=(Dg*Ng*Ws*Qwev1) = 2967 N
Deviation Load
=(2*Gthq*sin(idmin/2)) = 0 N
= 2967 N
Earth Wire
Wind of EW
=(De*Ne*Ws*Qwev1) = 3146 N
Deviation Load
=(2*Ethq*sin(idmin/2)) = 0 N
= 3146 N
=(2*13078*sin(0/2))
Total Vertical Load, Eqte
Total Vertical Load, Eqtg
= (0.014*1*350*642.12)
= (0.0132*1*350*642.12)
=(2*13348*sin(0/2))
= (0.19*1*2.1*0.5*1116.86)
=(2*20234*sin(0/2))
Total Vertical Load, Eqtc
Total Vertical Load, Evex1/Even1
= (0.0218*1*350*0.5*629)
Total Vertical Load, Evgx1/Evgn1
= (6.13*1*450(150))
Total Vertical Load, Evcx1/Evcn1
= (6.64*1*450(150))
= (9.61*1*450(150))
= (736*1)
Condition: Cascading, 50% Oblique Wind
Page
8/11/2019 Wind Pressure Calculation
19/30
DATE
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(Maximum Weight Span) (Minimum Weight Span)
3969 3740 1977 1901
0 0 0 0
3708 3933 3708 39336042 6042 3159 3159
0 0 0 0
6556 6556 6556 6556
6042 6042 3159 3159
0 0 0 0
6556 6556 6556 6556
6042 6042 3159 3159
0 0 0 0
6556 6556 6556 6556
Load Case:1&2
Normal Working Condition: Tranverse Wind Load
F.O.S (Loads) 1.5
F.O.S S.W 1.1
(Maximum Weight Span) (Minimum Weight Span)
3969 3740 1977 19010 0 0 0
2967 3146 2967 3146
6042 6042 3159 3159
0 0 0 0
5245 5245 5245 5245
6042 6042 3159 3159
0 0 0 0
5245 5245 5245 5245
6042 6042 3159 3159
0 0 0 0
5245 5245 5245 5245
Load Case:3&4
Normal Working Condition: Oblique Wind Load
F.O.S (Loads) 1.5
F.O.S S.W 1.1
132kV DC for Liberia Eletricty Corporation
Loading Calculation For Tower Type
" S (0-2) "
Project :Document No :
Title :
8/11/2019 Wind Pressure Calculation
20/30
DATE
07.02.14
Design Check REV : 0
SSN SJL/TA
132kV DC for Liberia Eletricty Corporation
Loading Calculation For Tower Type
" S (0-2) "
Project :Document No :
Title :
(Maximum Weight Span) E1 (Maximum Weight Span) C1
2988 3740 3969 3740
14275 0 0 0
3708 3933 3708 39336042 6042 5061 6042
0 0 16898 0
6556 6556 6556 6556
6042 6042 6042 6042
0 0 0 0
6556 6556 6556 6556
6042 6042 6042 6042
0 0 0 0
6556 6556 6556 6556
Load Case:5&6
Broken Condition: Transverse Wind
F.O.S (Loads) 1.2
F.O.S S.W 1.1
(Maximum Weight Span) C2 (Maximum Weight Span) C3
3969 3740 3969 3740
0 0 0 0
3708 3933 3708 39336042 6042 6042 6042
0 0 0 0
6556 6556 6556 6556
5061 6042 6042 6042
16898 0 0 0
6556 6556 6556 6556
6042 6042 5061 6042
0 0 16898 0
6556 6556 6556 6556
Load Case:7&8
Broken Condition: Transverse Wind
F.O.S (Loads) 1.2
F.O.S S.W 1.1
8/11/2019 Wind Pressure Calculation
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DATE
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SSN SJL/TA
132kV DC for Liberia Eletricty Corporation
Loading Calculation For Tower Type
" S (0-2) "
Project :Document No :
Title :
(Maximum Weight Span) E2 (Maximum Weight Span) C4
3969 2759 3969 3740
0 14451 0 0
3708 3933 3708 39336042 6042 6042 5061
0 0 0 16898
6556 6556 6556 6556
6042 6042 6042 6042
0 0 0 0
6556 6556 6556 6556
6042 6042 6042 6042
0 0 0 0
6556 6556 6556 6556
Load Case:9&10
Broken Condition: Transverse Wind
F.O.S (Loads) 1.2
F.O.S S.W 1.1
(Maximum Weight Span) C5 (Maximum Weight Span) C6
3969 3740 3969 3740
0 0 0 0
3708 3933 3708 39336042 6042 6042 6042
0 0 0 0
6556 6556 6556 6556
6042 5061 6042 6042
0 16898 0 0
6556 6556 6556 6556
6042 6042 6042 5061
0 0 0 16898
6556 6556 6556 6556
Load Case:11&12
Broken Condition: Transverse Wind
F.O.S (Loads) 1.2
F.O.S S.W 1.1
8/11/2019 Wind Pressure Calculation
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DATE
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SSN SJL/TA
132kV DC for Liberia Eletricty Corporation
Loading Calculation For Tower Type
" S (0-2) "
Project :Document No :
Title :
(Minimum Weight Span) E1 (Minimum Weight Span) C1
996 1901 1977 1901
14275 0 0 0
3708 3933 3708 39333159 3159 2178 3159
0 0 16898 0
6556 6556 6556 6556
3159 3159 3159 3159
0 0 0 0
6556 6556 6556 6556
3159 3159 3159 3159
0 0 0 0
6556 6556 6556 6556
Load Case:13&14
Broken Condition: Transverse Wind
F.O.S (Loads) 1.2
F.O.S S.W 1.1
(Minimum Weight Span) C2 (Minimum Weight Span) C3
1977 1901 1977 1901
0 0 0 0
3708 3933 3708 39333159 3159 3159 3159
0 0 0 0
6556 6556 6556 6556
2178 3159 3159 3159
16898 0 0 0
6556 6556 6556 6556
3159 3159 2178 3159
0 0 16898 0
6556 6556 6556 6556
Load Case:15&16
Broken Condition: Transverse Wind
F.O.S (Loads) 1.2
F.O.S S.W 1.1
8/11/2019 Wind Pressure Calculation
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DATE
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Design Check REV : 0
SSN SJL/TA
132kV DC for Liberia Eletricty Corporation
Loading Calculation For Tower Type
" S (0-2) "
Project :Document No :
Title :
(Minimum Weight Span) E2 (Minimum Weight Span) C4
1977 920 1977 1901
0 14451 0 0
3708 3933 3708 39333159 3159 3159 2178
0 0 0 16898
6556 6556 6556 6556
3159 3159 3159 3159
0 0 0 0
6556 6556 6556 6556
3159 3159 3159 3159
0 0 0 0
6556 6556 6556 6556
Load Case:17&18
Broken Condition: Transverse Wind
F.O.S (Loads) 1.2
F.O.S S.W 1.1
(Minimum Weight Span) C5 (Minimum Weight Span) C6
1977 1901 1977 1901
0 0 0 0
3708 3933 3708 39333159 3159 3159 3159
0 0 0 0
6556 6556 6556 6556
3159 2178 3159 3159
0 16898 0 0
6556 6556 6556 6556
3159 3159 3159 2178
0 0 0 16898
6556 6556 6556 6556
Load Case:19&20
Broken Condition: Transverse Wind
F.O.S (Loads) 1.2
F.O.S S.W 1.1
8/11/2019 Wind Pressure Calculation
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DATE
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Design Check REV : 0
SSN SJL/TA
132kV DC for Liberia Eletricty Corporation
Loading Calculation For Tower Type
" S (0-2) "
Project :Document No :
Title :
(Maximum Weight Span) E1 (Maximum Weight Span) C1
2988 3740 3969 3740
14275 0 0 0
3708 3933 3708 39336042 6042 5061 6042
0 0 16898 0
6556 6556 6556 6556
6042 6042 6042 6042
0 0 0 0
6556 6556 6556 6556
6042 6042 6042 6042
0 0 0 0
6556 6556 6556 6556
Load Case:21&22
Broken Condition: Oblique Wind
F.O.S (Loads) 1.2
F.O.S S.W 1.1
(Maximum Weight Span) C2 (Maximum Weight Span) C3
3969 3740 3969 3740
0 0 0 0
3708 3933 3708 39336042 6042 6042 6042
0 0 0 0
6556 6556 6556 6556
5061 6042 6042 6042
16898 0 0 0
6556 6556 6556 6556
6042 6042 5061 6042
0 0 16898 0
6556 6556 6556 6556
Load Case:23&24
Broken Condition: Oblique Wind
F.O.S (Loads) 1.2
F.O.S S.W 1.1
8/11/2019 Wind Pressure Calculation
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DATE
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Design Check REV : 0
SSN SJL/TA
132kV DC for Liberia Eletricty Corporation
Loading Calculation For Tower Type
" S (0-2) "
Project :Document No :
Title :
(Maximum Weight Span) E2 (Maximum Weight Span) C4
3969 2759 3969 3740
0 14451 0 0
3708 3933 3708 39336042 6042 6042 5061
0 0 0 16898
6556 6556 6556 6556
6042 6042 6042 6042
0 0 0 0
6556 6556 6556 6556
6042 6042 6042 6042
0 0 0 0
6556 6556 6556 6556
Load Case:25&26
Broken Condition: Oblique Wind
F.O.S (Loads) 1.2
F.O.S S.W 1.1
(Maximum Weight Span) C5 (Maximum Weight Span) C6
3969 3740 3969 3740
0 0 0 0
3708 3933 3708 39336042 6042 6042 6042
0 0 0 0
6556 6556 6556 6556
6042 5061 6042 6042
0 16898 0 0
6556 6556 6556 6556
6042 6042 6042 5061
0 0 0 16898
6556 6556 6556 6556
Load Case:27&28
Broken Condition: Oblique Wind
F.O.S (Loads) 1.2
F.O.S S.W 1.1
8/11/2019 Wind Pressure Calculation
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DATE
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SSN SJL/TA
132kV DC for Liberia Eletricty Corporation
Loading Calculation For Tower Type
" S (0-2) "
Project :Document No :
Title :
(Minimum Weight Span) E1 (Minimum Weight Span) C1
996 1901 1977 1901
14275 0 0 0
3708 3933 3708 39333159 3159 2178 3159
0 0 16898 0
6556 6556 6556 6556
3159 3159 3159 3159
0 0 0 0
6556 6556 6556 6556
3159 3159 3159 3159
0 0 0 0
6556 6556 6556 6556
Load Case:29&30
Broken Condition: Oblique Wind
F.O.S (Loads) 1.2
F.O.S S.W 1.1
(Minimum Weight Span) C2 (Minimum Weight Span) C3
1977 1901 1977 1901
0 0 0 0
3708 3933 3708 39333159 3159 3159 3159
0 0 0 0
6556 6556 6556 6556
2178 3159 3159 3159
16898 0 0 0
6556 6556 6556 6556
3159 3159 2178 3159
0 0 16898 0
6556 6556 6556 6556
Load Case:31&32
Broken Condition: Oblique Wind
F.O.S (Loads) 1.2
F.O.S S.W 1.1
8/11/2019 Wind Pressure Calculation
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SSN SJL/TA
132kV DC for Liberia Eletricty Corporation
Loading Calculation For Tower Type
" S (0-2) "
Project :Document No :
Title :
(Minimum Weight Span) E2 (Minimum Weight Span) C4
1977 920 1977 1901
0 14451 0 0
3708 3933 3708 39333159 3159 3159 2178
0 0 0 16898
6556 6556 6556 6556
3159 3159 3159 3159
0 0 0 0
6556 6556 6556 6556
3159 3159 3159 3159
0 0 0 0
6556 6556 6556 6556
Load Case:33&34
Broken Condition: Oblique Wind
F.O.S (Loads) 1.2
F.O.S S.W 1.1
(Minimum Weight Span) C5 (Minimum Weight Span) C6
1977 1901 1977 1901
0 0 0 0
3708 3933 3708 39333159 3159 3159 3159
0 0 0 0
6556 6556 6556 6556
3159 2178 3159 3159
0 16898 0 0
6556 6556 6556 6556
3159 3159 3159 2178
0 0 0 16898
6556 6556 6556 6556
Load Case:35&36
Broken Condition: Oblique Wind
F.O.S (Loads) 1.2
F.O.S S.W 1.1
8/11/2019 Wind Pressure Calculation
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DATE
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SSN SJL/TA
132kV DC for Liberia Eletricty Corporation
Loading Calculation For Tower Type
" S (0-2) "
Project :Document No :
Title :
(Maximum Weight Span) (Minimum Weight Span)
2988 2759 2988 920
8784 8893 8784 8893
3708 3933 3708 39335061 5061 2178 2178
6759 6759 6759 6759
6556 6556 6556 6556
5061 5061 2178 2178
6759 6759 6759 6759
6556 6556 6556 6556
5061 5061 2178 2178
6759 6759 6759 6759
6556 6556 6556 6556
Load Case:41&42
Cascading Condition: Tranverse Wind
F.O.S (Loads) 1.2
F.O.S S.W 1.1
(Maximum Weight Span) (Minimum Weight Span)
3969 3740 3969 19017620 7677 7620 7677
2967 3146 2967 3146
6042 6042 3159 3159
5854 5854 5854 5854
5245 5245 5245 5245
6042 6042 3159 3159
5854 5854 5854 5854
5245 5245 5245 5245
6042 6042 3159 3159
5854 5854 5854 5854
5245 5245 5245 5245
Load Case:43&44
Cascading Condition: Oblique Wind
F.O.S (Loads) 1.2
F.O.S S.W 1.1
8/11/2019 Wind Pressure Calculation
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DATE
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Design Check REV : 0
SSN SJL/TA
132kV DC for Liberia Eletricty Corporation
Loading Calculation For Tower Type
" S (0-2) "
Project :Document No :
Title :
(Maximum Weight Span) (Minimum Weight Span)
3969 3740 1977 1901
0 0 0 0
0 0 0 06042 6042 3159 3159
0 0 0 0
0 0 0 0
6042 6042 3159 3159
0 0 0 0
0 0 0 0
6042 6042 3159 3159
0 0 0 0
0 0 0 0
Load Case:41&42
Erection & Maintenance Condition: No Wind
F.O.S (Loads) 2
F.O.S S.W 1.1
(Maximum Weight Span) (Minimum Weight Span)
2988 2759 996 9200 0 0 0
1854 1966 1854 1966
5061 5061 2178 2178
0 0 0 0
3279 3279 3279 3279
5061 5061 2178 2178
0 0 0 0
3279 3279 3279 3279
5061 5061 2178 2178
0 0 0 0
3279 3279 3279 3279
Load Case:43&44
Erection & Maintenance Condition: 50% Transverse Wind
F.O.S (Loads) 2
F.O.S S.W 1.1
8/11/2019 Wind Pressure Calculation
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DATE
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Design Check REV : 0
SSN SJL/TA
132kV DC for Liberia Eletricty Corporation
Loading Calculation For Tower Type
" S (0-2) "
Project :Document No :
Title :
(Maximum Weight Span) (Minimum Weight Span)
3969 3740 1977 1901
0 0 0 01854 1966 1854 1966
6042 6042 3159 3159
0 0 0 0
3279 3279 3279 3279
6042 6042 3159 3159
0 0 0 0
3279 3279 3279 3279
6042 6042 3159 3159
0 0 0 0
3279 3279 3279 3279
Load Case:43&44
Erection & Maintenance Condition: 50% Transverse Wind
F.O.S (Loads) 2
F.O.S S.W 1.1