Specifications •
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CHALKJER PUTNAM COLLINS & SCOTT
C O N S U L T I N G S T R U C T U R A L E N G I N E E R S
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TO: D.L. Howard Co. DATE: November 12, 1997
— _ 5340 SW Dover Ln, Portland OR 97225 FROM: Jim Harris
FAX No.: 503 - 293-0229 Project No.: 98- 01'6
ATTN: Dan Howard
REFERENCE: Tetra Plastics Rooftop Mechanical Unit
MESSAGE ko. of PA5E5
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INGLUDMG THIS PACyE
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IF YOU OO NOT
RECEIVE ALL T14E
BY PAGES IN THIS
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YOU HAVE TROUBLE
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TIQANsmrse10N,
PLEASE GALL U.
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• ORIGINAL WILL BE SENT • BY MAIL o DELIVERED o COURIER
D ORIGINAL WILL NOT BE SENT D FILE ❑ RETURN
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COPIES TO: AT: FAX No.:
CHALKER PUTNAM COLLINS & SCOTT
C ! N _ L T N G $ U C . R • E a G I N E E R 5
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November 12, 1997 PRINCIPALS
Danlo10. Putnam, P.E.
Janrs N. Collw P
Donald R. Soon. P.E.
IVIEMO AS3OCIAIES
tSat @. sack""• P.E.
NoM C. oas es,, P.E.
Aaron A, Goodwin. GAO
TO: D. L. Howard Company Ridu4 M. °Among, P.E.
Jack J. Pinkant P.E.
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STRUCTURAL ENGINEERS
ATTN: Dan Howard
Douglas A. Goodwin. P.E.
Jun 4 Monts. P.E.
FROM: Jim Harris Ronald E.s.. E.
Thoenq � , Van Nekn. P.E.
CONSULTANT
RE: Tetra Plastics Rooftop Mechanical Unit Raymond L. °""t...
COMMENTS:
•
The exist roof of the Tetra Plastics Tigard facility can support the added weight of the
mechanical unit shown on the attached drawing. It shall be located next to the existing glu-
laminated beau" as shown. Sot
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C Pu?NAM COII & SCO ?T
C O N S U L T I N G S T R U C T U R A L E N G I N E E R S
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PRINCIPALS
Daniel D. Putnam, P.E.
James H. Collins, P.E.
Donald R. Scott, P.E.
SENIOR ASSOCIATES
STRUCTURAL CALCULATIONS Richard Jack J. P.E.
ASSOCIATES
Gareth Floyd. CPA
Noel C. Gaetano. P.E.
Aaron A. Goodwin, CAD
STRUCTURAL ENGINEERS
Gary E. Beckner, P.E.
FOR Douglas A. Goodwin, P.E.
Jim L. Harris, P.E.
Ronald E. Seeheter, P.E.
Thomas V. Van Halm, P.E.
CONSULTANT
Raymond L. Chalker, P.E.
TETRA PLASTICS
Rooftop Mechanical Unit
15605 SY4 72nd Avenue
Tigard , Oregon
PREPARED BY
CHALKER PUTNAM COLLINS 4 SCOTT, INC.
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November 12, 1QQ7
98 -078
950 Pacific Ave Suite 200 Tacoma WA 98402 • (253) 383 -2797 • (253) 383 -1557 fax • CPCSTACOMA @AOL.COM Email
Court in the Square 401 Second Ave S Suite 560 Seattle WA 98104 • (253) 838-3270 • (206) 467 -7788 fax • CPCSSEA @AOL.COM Email
CRACKER PUTXAM COLLINS & SCOTT
C O N S U L T I N G S T R U C T U R A L E N G I N E E R S
❑ MEMO ❑ MEETING MINUTES ❑ DATE: ( YZ • "
I� CALCULATION ❑ TELEPHONE RECORD SHEET Pf• 1 OF 3 NAME: J44-
`- PROJECT: P-tr■ G s
JOBNo.: qtr
ORIGINATING OFFICE: ❑ TACOMA � SEATTLE
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Chalker Putnam Collins & Scott
401 2nd Avenue South
Suite 560
Seattle, WA 98104
(253)838 -3270
Date: 11/12/97 Page: 12.F
SERIES OF CANTILEVERED BEAMS
tetra plastics
roof top mechanical unit
Lamination Thickness = 1.50 in Cantilevers Are Not Braced
Live Load is ALWAYS USED (Not Skip Loaded) Load Duration Factor : 1.15
SPAN TYPE - - - -» - R Cant Key - Double - Key - Double -- Key - Double
Column Bay Spacing ft : 46.30 46.30 46.30 46.30 46.30 46.30 46.30
Actual Span ft : - -- 29.30 - -- 29.30 - -- 29.30 - --
Left Cantilever ft : - -- --- 8.50 - -- 8.50 - -- 8.50
Right Cantilever ft : 8.50 - -- 8.50 - -- 8.50 - -- 0.00
Beam Width in : 8.750 8.750 8.750 8.750 8.750 8.750 8.750
Beam Depth in : 34.50 24.00 34.50 24.00 34.50 24.00 34.50
- MOMENTS
M @ Left Support k -ft : - -- - -- -239.4 - -- -239.4 - -- -261.9
M @ Center k -ft : 288.5 159.9 165.9 159.9 160.6 178.1 290.5
M @ Right Support k -ft : -239.4 -- -239.4 --- -250.1 - -- 0.0
- RESULTS
-OK- -OK- -OK- -OK- -OK- -OK- -OK-
F'b - Allowable psi : 2250 2555 2250 2555 2250 2555 2250
fb - Actual psi : 1995 2284 1655 2284 1729 2545 2008
F'v - Allowable psi : 190 190 190 190 190 190 190
fv - Actual psi : 176 156 164 156 163 165 181
Max. Shear # : 35413 21828 33095 21828 32863 23091 36433
Max. Left Reaction $ : 29324 21828 69246 21828 71496 2309I 79303
Max. Right Reaction 4 : 74157 21828 71728 21828 70741 23066 29615
DEFLECTIONS
Center DL in : -0.00 -0.00 -0.00 -0.00 -0.00 -0.00 -0.00
Center Max in : -0.00 -0.00 -0.00 -0.00 -0.00 -0.00 -0.00
Left Cant DL in : - -- - -- 0.00 - -- 0.00 - -- 0.00
Left Cant Max in : - -- • -- 0.00 - -- 0.00 - -- 0.00
Right Cant DL in : 0.00 - -- 0.00 - -- -0.00 - -- 0.00
Right Cant Max in : 0.00 - -- 0.00 - -- -0.00 - -- 0.00
- MATERIAL DATA
Unbraced Length ft : 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Fb psi : 2200 2400 2200 2400 2200 2400 2200
Fv psi : 165 165 165 165 165 165 165
Elastic Modulus *10'6 :1800.00 1800.00 1800.00 1800.00 1800.00 1800.00 1800.00
APPLIED LOADS
Uniform Dead Load plf : 560.0 560.0 560.0 560.0 560.0 560.0 560.0
Uniform Live Load plf : 930.0 930.0 930.0 930.0 930.0 930.0 930.0
Point Dead Lead 8 : 3000.0 3000.0 3000.0 1200.0
Live Load f :
X Distance ft : 42.30 4.00 42.30 30.00
Point Dead Load 8 : 2500.0
Live Load 9 :
X Distance ft : 23.00
(continued on next page.,.,)
V4.4D (c) 1983 -96 ENERCALC C.P.C.S Engineers Inc., kw-060643
Chalker Putnam Collins & Scott
401 2nd Avenue South
Suite 560
Seattle, WA 98104
(253)838 -3270
Date: 11/12/97 Page: 3
SERIES OF CANTILEVERED BEAMS
tetra plastics
roof top mechanical unit
( continued)
LL= 930 LL= 930 LL= 930 LL= 930 LL= 930 LL= 930 LL= 930
IIDL= 560 1IDL = 56011IDL= 560IIDL= 560IIDL= 56011 DL r6 560 DL= 5601]
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♦ 46.30 46.30 46.30 46.30 46.30 ! 46.30 46.30
V4.4D (c) 1983 -96 ENERCALC P.C.S Engineers Inc., kw- 060643