SUDS Attenuation Tank
£655.00
Book a Free Site ConsultationWhat’s Included:
Design & Planning Support
- Preliminary drainage consultation and site assessment
- SuDS assessment report and MicroDrainage modelling
- Flow/time storage analysis for tank capacity and discharge rate
- Drainage strategy report for planning submission
- LLFA coordination and discharge approval
Installation & Construction
- Excavation to required tank footprint (e.g. 1m x 1m x 1.2m)
- Supply and installation of modular attenuation crate system
- Perforated or solid geocellular crates as per site and discharge needs
- Protective geotextile and membrane wrap
- Optional flow control chamber, hydrobrake, or pumped outfall
- On-site testing and commissioning
Documentation & Handover
- As-built drainage drawings and CAD layout
- Adoption-ready drawings for water authorities (if required)
- Structural calculations and storage volume certification
- RAMS, method statements, and installation photos for QA
Applications:
- Residential developments and extensions
- Commercial buildings and car park drainage
- Retrofit schemes for flood mitigation or EWS1 compliance
- Greenfield and brownfield surface water management
655
️ Sustainable Drainage Systems (SuDS) – London Drainage Design & Installation
At Amtaar GC, we deliver fully integrated SuDS (Sustainable Drainage Systems) across Greater London, helping developers, architects, and homeowners manage surface water runoff in line with London Plan, Lead Local Flood Authority (LLFA), and Building Regulations Part H requirements.
Our structural and architectural directors bring 23+ years of international experience to design and implement tailored surface water drainage solutions that reduce flood risk, improve water quality, and meet planning conditions for new builds, extensions, and major refurbishments.
✅ SuDS Design & Modelling (MicroDrainage, Flow/Time Storage Analysis)
✅ Permeable Paving Systems, Soakaways & Crate Attenuation
✅ Green Roofs & Blue Roofs
✅ Rain Gardens, Swales, and Infiltration Trenches
✅ Flow Control Chambers, Hydrobrakes, and Pumped Outfalls
✅ FRA & Drainage Strategy Reports for Planning Submissions
We handle everything from:
Preliminary drainage consultation
SuDS assessment reports
Planning and LLFA approval
Installation, testing, and commissioning
Adoption-ready drawings and as-built documentation
As a London-based civil and structural engineering company, our team has successfully delivered SuDS schemes across residential, commercial, and public infrastructure projects in Greater London Area.
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