HomeMy WebLinkAboutENGINEERING CALCS - 04 Variance - 1175 Main Street - Sign HeightDesign Intelligence
Engineering Calculations Summary
Date: January 2, 2004
Subject: Valley Wide Coop Sign, Rexburg, Idaho
Customer: Valley Wide Coop, Rexburg, Idaho
Abstract
The customer provided drawings of the sign. This analysis uses the Design Criteria required by the local
jurisdiction and the 1997 UBC as the basis for the calculations.
Materials:
A36 Steel - Fy=36,000 psi
Concrete: 3000 psi @ 28 days
Reinforcing Steel - fy = 60,000 psi
Assumptions:
International Building Code 2000
Design Loads:
Snow = N/A
Seismic = N/A
Wind = 90 mph, Exposure C
References:
International Building Code 2000on These calculations and included details are for
Customer Drawings this location and customer only and not to be
reused in any manner without the written
Summary: consent of Design Intelligence.
The sign requires (2) TS l0x10xl/4 steel posts as noted on the attached drawing. The steel posts are to extend
to the bottom of the footings. The individual footing dimensions are 48" parallel to the face of the sign, 7'6"
perpendicular to the face of the sign and 72" deep. Reinforce the footings with two mats of #4 bars at 12" o -c.
each way. Mats are to be located 3" from the top of the footing and 3" up from the bottom of the footing. See
also vertical and stirrup reinforcing noted on the drawing.
Designed Py
.4 Stott A Spaulding, PF. I Checked
Date: nom, Date:
Design Intelligence VALLEY WIDE COOP 1/2/2004
3685 W Hwy 33 AMERICAN FALLS, IDAHO
Rexbura. Idaho 83440
Materials
A500 Grade B Steel
Fy = 42000 psi
Wind Loading
cis
P=Ce*Cq*qs*lw
qs =
Iw =
70 mph
12.6
16.4 psf Ce =
Cq =
1
IF -
80 mph 90 mph
16.4 20.8
1.06 Exposure C
1.4 Horizontal
Ph =
24.3 psf (Horizontal)
Sign Data
Description
0 ft - 40ft
Phillips Sign
Hot Stuff Sign
Gas Prices Sign
Sign #4
Total Pipe Moment
Footing Design
Width in. Height in.
108 85
108 26
108 73
108 26
Soil Wt. 110
L ft B ft T ft
CG in. Force Ibs. Moment Ib -in
437.5 1552 678791
368 475 174647
304.5 1332 405741
252 475 119595
1378774
Single Post Load = 689387
pcf
Weight Ibs.
4 7.5 6
27000
Resisting Moment
= 101250 Ib -ft
Passive Earth Moment
= 15125115-ft-
5125Ib-ftOverturning
OverturningMoment
= 68948 Ib -ft
Design Factor of Safety Against Overturning = 1.5
Factor of Safety
= 1.69 OK
Single Post Size
S Req'd ISProvided
Dia Wall
Oft -:25 ft
24.87 30.1
OK TS10x10x1/4 0.25
Page 1
NOT STUFF
P I Z Z Am
Rexburg Highway 20 Business Pole Signs
A
d. . Sy
�t
Mother Hibbard's Country Store
11 North 2000 West
Pole Sign Height:
40 Feet Above Grade
Valley Wide Coop
1175 West Main
Pole Sign Height:
24 Feet Above Grade
Cheveron/Burger King Food Mart
1874 West 1500 South
Pole Sign Height:
25 Feet Above Grade To The Top Of Burger King Sign
ComFort Inn
1565 West Main
Pole Sign Height:
60 Feet Above Grade