UKTC Archive

Re: No dig cellular confinement solution/pile and beam

Subject: Re: No dig cellular confinement solution/pile and beam
From: Julian Morris
Date: Dec 03 2019 11:46:07
I have exactly this situation on a site. Although the weight of the cellular 
confinement system on the RPA in perpectuity might not be significant, tehre 
is an other consideration which may require its removal, and it depends on 
terrain. Roots under a building that will as a result receive no water will 
die. The building prevents rainfall on the solum, so either ground water 
needs to pass under the building from substantial u-slope catchment or it has 
to be be fed under it by filtration from rainwater collection. If you're cute 
about it the cellular confinement can be designed into the filtration system, 
but if not it'll get in the way and may have ot be removed partly or wholly.

Julian A. Morris - Professional Tree Services
jamtrees.co.uk  and  highhedgesscotland.com
0778 XXX XXXX - 0141 XXX XXXX


Sent: Tuesday, December 03, 2019 at 10:45 AM
From: "willross583@xxxxxxxxxxx.com" <uktc@xxxxxx.tree-care.info>
To: "UK Tree Care" <uktc@xxxxxx.tree-care.info>
Subject: No dig cellular confinement solution/pile and beam

All,

     Would appreciate advice/comment

I have a site where a pile and beam solution has been recommended within the
RPA of a lime tree (developers original arb report) for construction of a
dwelling, the construction team will require access to the RPA to
facilliatate works so ground protection will be required in this case due to
type of works  cellular confinement is likely to be the best option as
opposed to mats (contractors normal choice). I wonder if anyone has
experience of this being left in place in the void  under   block and beam
or should it be removed, obviously as far as long term structural integrity
is concerned a structural engineer will be consulted by the construction
company. Any comments welcome.



Will




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