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Re: Lightweight backfill

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Greg:
Before considering any buried foam installations get a copy of the article
Termites and Buried Foam in the October issue of the Journal of Light
Construction.  It appears as foam may be a magnet for termites.

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> From: Ross Johnson <hns(--nospam--at)inel.gov>
> To: seaint(--nospam--at)seaint.org
> Subject: Re: Lightweight backfill
> Date: Monday, October 19, 1998 7:10 PM
> 
> Check out vermiculite as a "natural" lightweight backfill, or even
perlite
> or pumice.  I don't know about its compactability though.
> 
> >IN RESPONSE TO:
> >Greg Leyh <lod(--nospam--at)pacbell.net>
> >
> >I am looking for a lightweight alternative to 'pea gravel'
> >for backfilling to a treated wood retaining wall.  I have
> >searched the SEAOC archives, but didn't find anything.
> >
> >I have heard of styrofoam pellets being used as backfill,
> >and was wondering how they might weather, or if there would
> >be any other adverse consequences (like raccoons eating them).
> >
> >Do you mean "billets" of expanded polystyrene?  I used to have
literature on
> >EPS blocks that were used as fill.  I remember one example where they
were
> >used to fill a gully over soils that could not support usual fill to
support
> >a road bed.  My vague recollection is that these blocks of EPS were
about 4'
> >x 8' x 16'.  You could contact The Society of the Plastics Industry,
Inc.,
> >Expanded Polystyrene Division at 202-371-5200 if you want to follow up.
> >
> >Roger Davis
> >Architect
> >SDS Architects, Inc.
> >
> >
> >
> 
> 
> +----------------------------------------------------------+
> Ross E. Johnson, A.I.A. Architect
> E-mail address:	hns(--nospam--at)inel.gov
> +----------------------------------------------------------+
> Facility Engineering Unit
> Lockheed Martin Idaho Technologies Co. (LMITCO)
> Idaho National Engineering & Environmental Laboratory (INEEL)
> Idaho Falls, Idaho 83415-3650
> +----------------------------------------------------------+
> 
> 
> 
>