From: Paul Pilarski <PPilarski(--nospam--at)HNTB.com>
Date: Thu, 8 Feb 2001 14:07:33 -0600
The concept includes down ramps with watertight reinforced walls.
From: John Riley [mailto:jpriley485(--nospam--at)peoplepc.com]
Sent: Thursday, February 08, 2001 11:52 AM
Subject: Re: Precast box culvert/tunnel - watertight seal?
Why are you worried about buoyancy, isn't the tunnel to be open on each end?
John P. Riley, PE, SE
20 Oakwood Drive, Blue Grass, Iowa 52726
Tel & Fax: 319-381-3949
----- Original Message -----
From: "Paul Pilarski" <PPilarski(--nospam--at)HNTB.com>
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
> 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 J. Pilarski
> HNTB Corporation
> 600 108th Avenue NE Tel: (425) 450-2592
> Suite 400 Fax: (425)
> Bellevue, WA 98004 E-MAIL: ppilarski(--nospam--at)hntb.com