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Re: Building Separation

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We have encountered this on several projects.  The municipalities involved
have always permitted the separation from the property line per DM of only
the new structure.  This is one of those areas I think of as "phased
compliance".  Eventually as all buildings are replaced, the required set
backs will occur.  To require that your building accommodate the adjacent
building's separation requirement would in effect be granting a form of
property line easement to the older building, which could become very
involved legally.

Paul Feather
----- Original Message -----
From: "David Carolan" <dcarolan(--nospam--at)rad.net.id>
To: <seaint(--nospam--at)seaint.org>
Sent: Wednesday, September 26, 2001 3:29 PM
Subject: Building Separation


> UBC 87 clause 1633.2.11 says
> 1. Separations shall allow for the displacement DM
> and also
> 2. When a structure adjoins a property line not common to a public way,
> that structure shall also be set back from the property line by at least
> the displacement DM of that structure
>
> I'm designing my new CBD building and my neighbour's building is hard on
> the common boundary. I can comply with paragraph 2, but this will not
> achieve sufficient separation between our buildings which I assume is the
> basic intent of this clause. My neighbour may even be a heritage building
> that will be there "forever".
>
> Is it your normal practice to just set your own building back DM from the
> boundary and ignore the neighbouring building or if your neighbour is hard
> on the boundary do your local authorities require you to set your own
> building back further? The approach of Example 50.3 from Vol 1 of the
> SEAOC Seismic Design Manual is to ignore the neighbouring building (their
> Structure 2).
>
> Thanks for your comments,
>
> David Carolan
>
> Taylor Thomson Whitting
> dcarolan(--nospam--at)rad.net.id
>
>
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