REVIEWED BLD-BLD2021-1028+Lateral Calculations+7.24.2021_12.45.16_PM+2319707LATERAL CALCULATIONS
Latitude,Longitude: 47.8212063,-122.354561
ASCE 7-10 WIND PRESSURES
Kz Kv
(VELOCIT (WIND SQUARE OF:
Y DIREC
PRESSUR Kzt TIONAL V (ASCE 7-10 BAISIC
E (TOPPOGR ITV WIND SPEED IN
QZ _RFD (ASCE7-10 W IND PRESSURE AT MEAN COEFFEC APHIC FACTO MPH, 3-SECOND
ROOF HEIGHT IN PSF)= 0.00256 ENT) FACTOR) R) 1 (IMPORTANCE FACTOR) GUST) Exposure Class
22.7889216 0.00256 0.85 0.85 1 1 111 S
Z(highest structure
elevation above
VE COEFFECENT) Kz = 2.01 (z/ grade) Zg(h)
20
te40 7
ure Category B 1200 7
ure Cal o C 900 9.5
ure Cat o D 700 11
Seismic Weights
Length (average) Width (ave, Dead Load (psf) Seismic mass on and above fibs)
ROOF 18 14 10 2520
ROOF: EW
ROOF: NS
WIND CALCULATIONS
WIND CALCULATIONS
Length of Structure (NS)
14 ft
Length of Structure (EW)
18 ft
Width of Structure (EW)
18 ft
Width of Structure INS)
14 ft
Average Structure Height (above floor level)
4.5 ft
Average Structure Height (above floor level)
4.5 ft
Torsional Loading
0 Ibs
Torsional Loading
0 Ibs
Wind Lateral Load (before torsion)
1435.702061 be
Wind Lateral Load (before torsion)
1845.90265 Ibs
LRFD Wind Lateral Load
1,436 Ibs
LRFD Wind Lateral Load
1,846 Ibs
SEISMIC CALCULATIONS
SEISMIC CALCULATIONS
IMPORTANCE FACTOR
1.00
IMPORTANCE FACTOR
1.00
Liquefaction Susceptibility
VERY LOW
Liquefaction Susceptibility
VERY LOW
Seismic Design Category
D
Ss 1.294 G
Seismic Design Category
D
Ss 1.294 G
Site Class
D
Fa 1.2
Site Class
D
Fa 1.2
Sos lava Pay NEHEP PRovisaNS ALTERNATNe 16.1
2/3FaSs
1.0352
Sos lava Pay NEHEP PRovisaus ALTERNATNE 16.1
2/3FsSs
1.0352
Response Modification Factor Table A4.3.1
R
3
Response Modification Factor Table A4.3.1
R
3
Seismic Weight of Structure (LEVEL 2)
W
2,520 Ibs
Seismic Weight of Structure (LEVEL 2)
W
2,520 Ibs
Torsional Loading
0 Ibs
Torsional Loading
0 Ibs
Seismic Base Shear
V=1.25SDsW/R
2,174 Ibs
ISehunk, Base Shear
V=1.25S.W/R
2,174 Ibs
LATERAL FORCES SUMMARY
................................................
REDUNDENCYFACTOR 1.01.3 if torsional structure REVIEWED
LEVEL# EW NS BY
1.0 Seismic Lateral Load (Max) 3 2,174 2,174 lbs i CITY OF EDMONDS
1.0 Wind Lateral Load max 3 1,436 1,846 Ibs
BLD2021-1028
RECEIVED
Aug 04 2021
CITY OF EDMONDS
DEVELOPMENT SERVICES
DEPARTMENT