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Re: Precast box culvert/tunnel - watertight seal?

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Paul,
Why are you worried about buoyancy, isn't the tunnel to be open on each end?
__________________
John P. Riley, PE, SE
Riley Engineering
20 Oakwood Drive, Blue Grass, Iowa 52726
Tel & Fax:  319-381-3949
jpriley485(--nospam--at)peoplepc.com
----- Original Message -----
From: "Paul Pilarski" <PPilarski(--nospam--at)HNTB.com>
To: <seaint(--nospam--at)seaint.org>
Sent: Thursday, February 08, 2001 12:23 PM
Subject: Precast box culvert/tunnel - watertight seal?


> I'm working on a project whose direction is to utilize a box culvert for a
> pedestrian tunnel.  Precast construction is the forecast as the most
> economical.  However, the water table is or may be high in the area at
> times.
>
> Buoyancy will be resolved with added section weight. What suggestions are
> there for providing a watertight seal in such a tunnel? Other tunnel
> options/suggestions? TIA.
>
> Paul
>
> ___________________________________________________________________
> Paul J. Pilarski
> HNTB Corporation
> 600 108th Avenue NE            Tel: (425) 450-2592
> Suite 400            Fax: (425)
> 453-9179
> Bellevue, WA 98004 E-MAIL: ppilarski(--nospam--at)hntb.com
>
>