Specifications nq/ y , /3/ O . c''
Tetra Plastics
Wildeck Mezzanine
Location:
Portland, OR •
(Zone 3)
Prepared For:
Wildeck Mezzanines, Inc
405 Commerce St
Waukesha, WI
Prepared By:
Peter S. Higgins And Associates
Consulting Structural Engineers
1225 -F North Pacific
Glendale, CA 91202
(818) 549 -0072
Peter S. Higgins, S.E.
Job Number 2146
- ch 23,
This Document and t design it co - -ins is copyright by Pet r S. Higgins
and Associates. is provided a- .n instrument of service, nd shall not
be reproduced ' any fashion out the written permissio of Peter S. � r 7� R OF
te, Higgins and sociates. ` �� � ^ j � \ � / ,
Notic 'o ildin• ' - •art ' -nts i � , - 1
If this calculati i ••'tte• o• • g rmi- approv. , it shall III
contai all shee s of u a 'o , as -ted in -h: tab - of contents on CREGON
the n xt page( , a : a acc•y•anied 4, :rawings listed in
Secti n 1. All doc s t bear :pprocriai- seals and signatures in tl4
ink f a con ras 'r. c ' with .e same ob Number Reference. The j ,�y
� 1 �, l �
calc lation s aLl sigd d acros- his bl . . 1' 1/100•
•
IRERRODUCTIO eF SI 2 COPIES ARE INVALID'
.---___-----
RECEIVED -
APR 5
LINHAR f PETERSEN POWERS
ASSOCIATES -
r
•
PETER S. HIGGINS AND ASSOCIATES
CONSULTING STRUCTURAL ENGINEERS
Project: Tetra Plastics Job No. 2146
March 23, 1996 Sheet ii
Table of Contents
1 Reference Data 1
1.1 Documents 1
1.1.1 Drawings 1
1.1.2 Specifications, Details, Supplementary Calcula-
tions 1
1.2 Loads 1
1.2.1 Vertical (Dead plus Live) 1
1.2.1.1 Typical UNO 1
1.2.1.2 Compressor Mezzanine 1
1.2.2 Seismic 1
1.2.2.1 General 1
2 Blow Mold Mezzanine 2
2.1 Check Deck 2
2.2 Check Beams 2
2.2.1 12C11 2
2.3 Check Girders 2
2.3.1 W12x30 2
2.4 Cold Formed Beam Properties 3
2.5 Connections 3
2.6 Check Posts 3
2.6.1 Load to Post 3
2.6.2 Post Properties and Capacities 3
2.7 Seismic 3
2.7.1 Base Shear 3
2.7.2 Design Forces 4
2.7.3 Post - Combined Stresses 4
2.7.4 Base Plate 4
3 Extrusion Mezzanine 5
3.1 Check Deck 5
3.2 Check Beams 5
3.2.1 12C11 5
3.3 Check Girders 5
3.3.1 W12x30 5
3.4 Cold Formed Beam Properties 5
3.5 Connections 6
3.6 Check Posts 6
3.6.1 Load to Post 6
3.6.2 Post Properties and Capacities 6
3.7 Seismic 6
3.7.1 Base Shear 6
3.7.2 Design Forces 6
3.7.3 Post - Combined Stresses 7
3.7.4 Base Plate 7
4 Maintenance Mezzanine 8
5 Compressor Mezzanine 8
5.1 Check Deck 8
5.2 Check Beams 8
PETER S. HIGGINS AND ASSOCIATES
CONSULTING STRUCTURAL ENGINEERS
Project: Tetra Plastics Job No. 2146
March 23, 1996 Sheet iii
5.2.1 12C11 8
5.3 Check Girders 8
5.3.1 W12x30 8
5.4 Cold Formed Beam Properties 8
5.5 Connections 9
5.6 Check Posts 9
5.6.1 Load to Post 9
5.6.2 Post Properties and Capacities 9
5.7 Seismic 9
6 Miscellaneous Metal 9
6.1 Stairs 9
6.2 Handrail 9
r
PETER S. HIGGINS AND ASSOCIATES
CONSULTING STRUCTURAL ENGINEERS
Project: Tetra Plastics Job No. 2146
March 23, 1996 Sheet 1
1 Reference Data
This calculation reviews the installation of new mezzanine for
structural adequacy. The sealing of drawings is for the struc-
tural review of the mezzanine only. Other information is not
reviewed, nor approved.
Wildeck Mezzanines, Inc. is a City of Los Angeles Certified Fab-
ricator ( #1433).
1.1 Documents
1.1.1 Drawings
Wildeck 8459
Sheet 1 Rev. 1
Sheet 2 Rev. 1
Sheet 3 Rev. 1
Sheet 4 Rev. -
Sheet 5 Rev. -
Sheet 6 Rev. -
Sheet 7 Rev. 1
Sheet 8 Rev. -
1.1.2 Specifications, Details, Supplementary Calculations
Wildeck 31 sheets (8%x11)
1.2 Loads
1.2.1 Vertical (Dead plus Live)
1.2.1.1 Typical UNO
DL = 10 psf; LL = 125 psf
1.2.1.2 Compressor Mezzanine
DL = 10 psf; LL = 150 psf
1.2.2 Seismic
1.2.2.1 General
Where:
Z =0.3
T � _ ZIC
I =1.00
R R =6 (Strictly speaking R =12
as the "girder" is the base -
Thus: plate, and the "connection" is
the base weld which is capable
w of fully developing the flexu-
10.7T ral capacity of the plate)
PETER S. HIGGINS AND ASSOCIATES
CONSULTING STRUCTURAL ENGINEERS
Project: Tetra Plastics Job No. 2146
March 23, 1996 Sheet 2
within the range:
1.25S
0.031 <_ V . 0.138 W c-
7
S <1.5 (unless lower value per-
nutted by soils report)
W =DL (+ LL /4 for storage occu-
pancies)
T may be determined by any rational method, or the
default C /R of 0.46 may be used.
2 Blow Mold Mezzanine
2.1 Check Deck
Max Span < 4.2 ft; M < 0.24 ft kips /ft; Smin =0.15 in3 /ft
Any 1% deck AMPLE
2.2 Check Beams
2.2.1 12C11
Tributary Width < 4 ft; Span < 15.1 ft
Design Forces and
Requirements
12C11 O.K.
w <0.54 kips /ft
V < 4.1 kips
M<15.4 foot kips
Sxmin =6.15 in3
Ixmin =26.7 in4
(LL /240)
2.3 Check Girders
2.3.1 W12x30
Tributary Width < 8.1 ft; Span < 15.5 ft
Design Forces and Require-
ments
W12x30 O.R.
w <1.09 kips /ft
V <8.5 kips
M <32.8 foot kips
Sxmin =16.4 in3
Ixmin=58.5 in (LL /240)
I _
PETER S. HIGGINS AND ASSOCIATES
CONSULTING STRUCTURAL ENGINEERS
Project: Tetra Plastics Job No. 2146
March 23, 1996 Sheet 3
2.4 Cold Formed Beam Properties
2.5" 12011
'S =6.94 in O.K.
I =41.7 in
N
2.5 Connections
�R R 3.5R
V Bo, _ _ 5.;m8.„=-6
+ , Vi., = R 3)z + (6)z -0.67R
3"
typ
•
V = 4.I K 4 = 6.1 K
•
max
3.5"
Note: Connections to columns and other connections not
required to resist moment have capacities of > 12.1 kips
2.6 Check Posts
2.6.1 Load to Post
Tributary Area < 125 ft
DL < 1.3 kips
LL < 12.5 kips (UBC 20% reduction)
Ptot < 13.8 kips
2.6.2 Post Properties and Capacities
TS 6x6x3/16
Kl /r= (2)(98)/2.36 =83
A =4.27 in
S =7.93 in F =17.6 ksi
r =2.36 in 1.33F' =28.9 ksi
P =75.0 k
1 33P'
M 241'r�
2.7 Seismic
2.7.1 Base Shear
Use Code Default Values for CS
V= 0.138W =0.61k
PETER S. HIGGINS AND ASSOCIATES
CONSULTING STRUCTURAL ENGINEERS
Project: Tetra Plastics Job No. 2146
March 23, 1996 Sheet 4
2.7.2 Design Forces
P <13.8k V <0.61k
M <VL= (0.61) (98) = 59.8 "k
2.7.3 Post - Combined Stresses
P iW
P M
= 0.42 <1.33 O.R.
P + 0.85M
Pa C 1 -- P .)M
1.33P a
= 0.42 <1.33 O.R.
2.7.4 Base Plate
From equilibrium:
M
(D)(e)( =P +T
0.85
--cc (T)+(-
P-
-►��f— Simultaneous solution yields:
•
1 e = 0.68 in.
• •
T = 0 kips
Iry Stability limited by bending
in plate
r
R:11 <_PI
c)+( 1.33)(0.75)(36) Da
6
= 81.9 inch kips
T =0
Stable under vertical load alone O.R.
Anchors provide added Factor of Safety
PETER S. HIGGINS AND ASSOCIATES
`' CONSULTING STRUCTURAL ENGINEERS
Project: Tetra Plastics Job No. 2146
March 23, 1996 Sheet 5
Use min. 3/4" diam. ICBO approved expansion
anchors. O.R.
Minimum embedment 3.0" into slab.
3 Extrusion Mezzanine
3.1 Check Deck
Max Span < 4.2 ft; M < 0.24 ft kips /ft; Smin =0.15 in3 /ft
Any 1% deck AMPLE
3.2 Check Beams
3.2.1 12C11
Tributary Width < 3.6 ft; Span < 13.5 ft
Design Forces and
Requirements
12C11 O.R.
w <0.49 kips /ft
V <3.3 kips
M <11.1 foot kips
Sxmin =4.43 in3
Ixmin =17.2 in4
(LL /240)
3.3 Check Girders
3.3.1 W12x30
Tributary Width < 7.0 ft; Span < 21.2 ft
Design Forces and Require-
ments
W12x30 O.R.
w <0.95 kips /ft
V <10.0 kips
M <52.6 foot kips
Sxmin=26.3 in3
Ixmin =128 in (LL /240)
3.4 Cold Formed Beam Properties
75 „
12C11
S =6.94 in O.R.
I =41.7 in
t
PETER 5. HIGGINS AND ASSOCIATES
CONSULTING STRUCTURAL ENGINEERS
Project: Tetra Plastics Job No. 2146
March 23, 1996 Sheet 6
3.5 Connections
1R _ R _ 3.5R
VB.u- :Ms.« 6
l..
vv V��= R \J( ( =0.67R
V a = 4.1 = 6.1 K
R
i
max
3.5^
Note: Connections to columns and other connections not
required to resist moment have capacities of > 12.1 kips
3.6 Check Posts
3.6.1 Load to Post
Tributary Area < 135 ft
DL < 1.4 kips
LL < 13.5 kips (UBC 20% reduction)
Ptot < 14.9 kips
3.6.2 Post Properties and Capacities
TS 6x6x3/16
Kl /r= (2)(98)/2.36 =83
A =4.27 in
S =7.93 in F =17.6 ksi
r =2.36 in 1.33F' =28.9 ksi
Pa =75.0 k
1733P' =123k
M — xa = 241 :
3.7 Seismic
3.7.1 Base Shear
Use Code Default Values for CS
V= 0.138W =0.66k
3.7.2 Design Forces
P <14.9k V <0.66k
M<VL= (0.66) (98) =64 .5 "k
PETER S. HIGGINS AND ASSOCIATES
CONSULTING STRUCTURAL ENGINEERS
Project: Tetra Plastics Job No. 2146
March 23, 1996 Sheet 7
3.7.3 Post - Combined Stresses
P M
P M
= 0.47 <1.33 O.R.
P +
0.85M
Pa 11 P 1
1.33 P, M a
= 0.46 <1.33 O.R.
3.7.4 Base Plate
From equilibrium:
M
(D)(e)(0.85 f ",)= P +T
0.85 fc
6—a)(T)+( e
I M w 2 (P +T) = 0 ° +T /
- -►��f Simultaneous solution yields:
e = 0.73 in.
T = 0 kips
VV Stability limited by bending
in plate
z
RM PI 2` I +(1.33)(O.75)(36)
= 86.4 inch kips
T =0
Stable under vertical load alone O.R.
Anchors provide added Factor of Safety
Use min. 3/4" diam. ICBO approved expansion
anchors. O.R.
Minimum embedment 3.0" into slab.
PETER S. HIGGINS AND ASSOCIATES
CONSULTING STRUCTURAL ENGINEERS
Project: Tetra Plastics Job No. 2146
March 23, 1996 Sheet 8
4 Maintenance Mezzanine
OK per above checks. All material the same as above. Spans are
the same or shorter, and tributary widths are the same or less.
5 Compressor Mezzanine
5.1 Check Deck
Max Span < 3 ft; M < 0.14 ft kips /ft; Smin =0.09 in3 /ft
Any 1 deck AMPLE
5.2 Check Beams
5.2.1 12C11
Tributary Width < 2.4 ft; Span < 18.2 ft
Design Forces and
Requirements
12C11 O.R.
w <0.39 kips /ft
V<3.6 kips
M <16.2 foot kips
Sxmin -6.48 in3
Ixmin =34.3 in4
(LL /240)
5.3 Check Girders
5.3.1 W12x30
Tributary Width < 9.4 ft; Span < 20.5 ft
Design Forces and Require-
ments
W12x30 Say O.R.
w <1.50 kips /ft
V < 15.4 kips
M <79.0 foot kips
Sxmin=39.5 in3
Ixmin=188 in (LL /240)
5.4 Cold Formed Beam Properties
5"
12C11
S =6.94 in O.R.
I =41.7 in
C\i
PETER S. HIGGINS AND ASSOCIATES
CONSULTING STRUCTURAL ENGINEERS
Project: Tetra Plastics Job No. 2146
March 23, 1996 Sheet 9
5.5 Connections
1R R _ 3.5R
Ve.a= 3: M B01,— 6
V,.,= Rj(3) + I = 0.67R
4 V = 4.1 K � R = 6.1 K
R max
3
Note: Connections to columns and other connections not
required to resist moment have capacities of > 12.1 kips
5.6 Check Posts
5.6.1 Load to Post
Tributary Area < 103 ft
DL < 1.0 kips
LL < 10.3 kips (UBC 20% reduction)
Ptot < 11.3 kips
5.6.2 Post Properties and Capacities
OK per previous checks (less load on same material)
5.7 Seismic
OK per previous checks (less load on same material)
6 Miscellaneous Metal
6.1 Stairs
Max rise < 9 feet; max run < 14 feet:
Any stringer big enough to fit treads OR by inspection.
6.2 Handrail
Pickets @ <42 "; spaced <60" apart; Connections; OR by inspec-
tion
•