Plans cr 5 2.3
I MADDEN&BAUGH MAN
E N G I N E E R I N G, I N C
October 9, 2008 V5C)
Mr. Mark Schick OS
ARM Property Management G�
PO Box 25030 0
Portland, OR 97289 C O� 4 \S"
RE: 11940 SW Pacific Highway
Mechanical Unit Replacement
Tualatin, Oregon •
Dear Mark
Attached please find calculations for the replacement of the mechanical unit at
11940 SW Pacific Highway as shown on structural plan S102. The unit
anchorage was designed to meet the requirements of the 2007 Oregon Structural
Specialty Code.
Sincerely,
Jerome Madden, P.E., S.E., Principal : •
Madden & Baughman Engineering, Inc. � Nu �1
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OREGON
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1 - 37.
321 SW 41h Avenue Suite 500. Portland. OR 97204 / tel 503.23061 1 / fax 503.236.941 1 / www.maddenbaughman.com
2007 Oregon Structural Specialty Code, (C ' 9_ d g
Design Category: D
MECHANICAL EQUIPMENT SUPPORT
RTU -1 1190 SW Pacific Highway, Tualatin, Oregon
n := .2u n
Sds := .75 z := 20 ft
Rp := 6 Weight of unit W := 1000 Pounds
ap .= 2.5
I:= 1.0
W 1 +2.
Fp :_ .4•ap•Sds•
ARP 1)
Fp
AS
= 267.857
1.4 nd
USE 1/4" LAG SCREWS, 2 MINIMUM PER SIDE, EMBED 1 1/2" MIN
INTO EXISTING 2X6 TRUSS TOP CHORDS.
)ol s ?J a 9 Ti's SSr_s. V i--1 fa AD -
1 Fvrt Z sr s •( (p s i A p
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