Rainwater Underground Storage - SuDS
Case study
Rainwater Underground Storage - SuDS
Rainwater underground storage and SuDS installation
Scope
first passed through the petrol interceptor.
To provide full surface water drainage system with
petrol interceptor and underground storage capacity in Gilberdyke, East Riding of Yorkshire.
Key Aspects
- Surface water drainage system
- Pipework and manholes
- 21m x 4m x 1.2m SuDS underground crate storage system
- Petrol interceptor
- Hydrobrake chamber and other manholes
- Pumped discharge to watercourse
- Highway crossing
- Complex buried services system Excavating the area, protection layers were placed first, prior to the encapsulating liner in the base.
The crate system was then installed and fully
encapsulated.
The surface water drainage comprised a gravity
drained system followed by pumping to discharge.
Discharge was controlled via a hydrobrake
manhole and pipework was installed along the site perimeter, crossing a highway with outfall into a nearby watercourse. Sweeting Bros (Land Drainage) Ltd were Traffic management for highway works was contracted in the role of Principal Contractor under necessary together with accommodating a CDM 2015 to provide a extensive surface water comprehensive network of buried services. drainage system including petrol interceptor and Excavated, Protection, Liner, SuDS Crates built up and installed to form storage tank
Project Images
Challenges
Cooperation
Health & Safety As with any large project where multiple
stakeholders are involved, co-operation is key
All works were carried out compliantly under CDM
factor in success. Sweeting Bros Ltd are adept at 2015 protocols requiring Construction Phase Plans managing multi-agency stakeholders. together with comprehensive assessment of all risks and method statements to minimise risks for A railway line was within 200m of the proposed all work elements. works resulting in Network Rail participating in the planning/execution of the works.
Working with Water
Traffic Management
Working in or around water poses hazards for
employees arising from the natural environment. A fully Chapter 8 compliant traffic management The presence of vermin and exposure to programme was implemented and adapted to leptospirosis twinned with the possibility of differing layouts throughout the project to drowning, all add to the normal risks involving accommodate working in the highway, weight and accidents concerning machinery and moving parts. height restrictions on ancillary lanes and roads.
Works taking place in live watercourses also pose
Residential access to adjacent properties also had
problems arising from adverse weather and to be accommodated for the duration of the works. increased rainfall. It was necessary to monitor and adjust programmes to accommodate and minimise risks. Pumping out of accumulating / rising ground Buried Services water is often necessary to ensure safe working conditions. Extensive surveys were necessary to understand any risks prior to undertaking any excavating.
These involved large gas, water and electricity
mains which needed to be addressed and managed.
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