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RE: Knock-out Panel

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Detail the opening for the future condition opening. Trim bars, lintel steel, etc… On the formwork, have the contractor place small strips of wood so it forms a small v-groove on the interior face (away from soil) outlining the future saw-cut template. Then all the contractor has to do is cut it away when required. There is no waterproofing issue that I can see.

 

-gm

 

-----Original Message-----
From: Rich Lewis [mailto:seaint02(--nospam--at)lewisengineering.com]
Sent: Monday, May 23, 2005 8:19 AM
To: seaint(--nospam--at)seaint.org
Subject: RE: Knock-out Panel

 

I don’t think precast panels would be practical.  This is a below grade foundation wall that needs a future opening into the basement area.  The remaining structure is all cast in place.

 

Rich Lewis

Lewis Engineering

 

 

-----Original Message-----
From: Kestner, James W. [mailto:jkestner(--nospam--at)somervilleinc.com]
Sent: Monday, May 23, 2005 9:57 AM
To: seaint(--nospam--at)seaint.org
Subject: RE: Knock-out Panel

 

How about using precast panels with rubber membrane membrane waterproofing?

 

Jim K.

-----Original Message-----
From: Rich Lewis [mailto:seaint02(--nospam--at)lewisengineering.com]
Sent: Monday, May 23, 2005 8:22 AM
To: seaint(--nospam--at)seaint.org
Subject: Knock-out Panel

I am designing a concrete basement wall that is to have a knock-out panel for a future opening.  I would appreciate any suggestion on the best way to detail this to ensure waterproofing and ease of demolition in the future.

 

Thanks.

 

Rich