Chamber Depth Limits - Delta Dual 800 Groundwater Series Installation Manual

3. Chamber depth limits
The chamber must be installed less than 300 mm below the finished floor level (FFL) so that it can be serviced safely in
accordance with the Construction (Design and Management) Regulations 2015 (CDM).
If the inlet inverts to not allow installation within this depth limit, please discuss chamber options with us on 01992 523 523
between 8am and 5pm, Monday to Friday or by email at info@deltamembranes.com before proceeding.
7 Delta Dual 800 Groundwater Packaged Pumping Station
< 300 mm
> 300 mm
Less than 300 mm below FFL
The chamber must be installed no
greater than 300 mm below FFL.
More than 300 mm below FFL
The chamber must not be installed
at a depth below FFL greater than
300 mm.
It cannot be serviced safely in
accordance with The Construction
(Design and Management)
Regulations 2015.
DMS_IG_V800G 0123