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Re: roto-hammers, masonry & city of LA[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: seaoc(--nospam--at)seaoc.org
- Subject: Re: roto-hammers, masonry & city of LA
- From: "Sandy Pringle" <sandyp(--nospam--at)sic-inc.com>
- Date: Mon, 12 Jan 1998 16:37:05 -0700
At 11:01 AM 1/12/98 -0800, you wrote: >we are planning on using a 'helifix' anchor system >to retrofit a masonry building. The installation of these anchors >requires the use of a pre-drilled hole in the mansory. >During conversation with the anchor manufacturer, he stated >that the City of LA does not allow the use of impact or >roto-hammers on masonry retrofits. -This seems a bit restrictive. >Has anyone heard of this? - if so, could you explain why? > >thanks in advance, > >Tim >________________________________ >Tim Terich >Century West Engineering Corp. >825 NE Multnomah, Suite 425 >Portland, OR 97232 >v(503) 231-6078 f(503) 231-6482 >cwec(--nospam--at)teleport.com > Tim, This has been a requirement for the City of Los Angeles since the begining of the URM Retro-fit programs. The vibrations created by impact tools threatens the integrity of the lime/sand mortar connection to the bricks. This bond connection needs to be treated as gently as possible. R. Sandy Pringle, Chair STRUCTURAL INSPECTION CONSULTANTS Inc. SEAOSC (800)598-1970 Fax (310)376-5294 Inspection Practices Committee Hermosa Beach & Redondo Beach, CA sandyp(--nospam--at)sic-inc.com http://www.sic-inc.com It's not a matter of where you stand, but in what direction you're headed.
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