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RE: 10/lw term in calculation of rho

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Are you sure about this mark?

As far as I can tell the same language is included in the 2000 IBC for shear
wall ri calculation. There were two attempts by APA in March and September
hearings to insert a language the would change the 10/lw to 4/lw for wood
shear walls (which IMO makes a lot of sense) but on both occasions it was
withdrawn.

So it may be until 2003 IBC that the Rho issues are revised from the current
format.

Ben Yousefi, SE
San Jose, CA

	-----Original Message-----
	From:	Mark E. Deardorff [SMTP:MEDeardorff(--nospam--at)home.com]
	Sent:	Wednesday, October 27, 1999 11:37 AM
	To:	seaint(--nospam--at)seaint.org
	Subject:	RE: 10/lw term in calculation of rho

	Of course, it will not be corrected in the code until the 2000 IBC.
If plan checkers want to, they can still require the 10/lw value to exceed
1.

		-----Original Message-----
		From: Steve Pryor [mailto:spryor(--nospam--at)strongtie.com]
		Sent: Wednesday, October 27, 1999 10:28 AM
		To: 'seaint(--nospam--at)seaint.org'
		Subject: RE: 10/lw term in calculation of rho
		
		

		This has now been clarified in the (just published) 1999
Recommended Lateral Force Requirements and Commentary (SEAOC Blue Book).