B.4 Scheme design assessment checklist Requirements Site ID Site location and co-ordinates Site description Drawing reference(s) Date of assessment Specification reference Type of development Site area SuDS manual Comments/remedial Y N Summary of details section actions Water quantity Is surface water used as a resource, where appropriate? 3.2.2 Does the design meet the following discharge hierarchy (with acceptable justification for moving between levels): 1 infiltration to the maximum extent that is practical where it is safe and – acceptable to do so 3.2.3 2 discharge to surface waters 3 discharge to surface water sewer 4 discharge to combined (last resort) If infiltration is used: confirm that an acceptable infiltration assessment has been undertaken and submitted If discharge to a sewerage asset is proposed, has evidence been provided that the design criteria have been agreed with the sewerage undertaker and that an appropriate connection detail has been agreed? Has runoff and flooding from all sources (both on and off site) been 3.3.3 considered and taken into account in the design? Does the scheme design demonstrate on-site retention of approximately the 5 mm of runoff from impermeable surfaces for most events? 3.3.1 How is Interception to be delivered (eg infiltration, green roofs, permeable 4.3.1 pavements, vegetated surfaces, bespoke design provide details)? –
B.4 Scheme design assessment checklist Requirements Site ID Site location and co-ordinates Site description Drawing reference(s) Date of assessment Specification reference Type of development Site area SuDS manual section Y N Summary of details Comments/remedial actions Water quantity Is surface water used as a resource, where appropriate? 3.2.2 Does the design meet the following discharge hierarchy (with acceptable justification for moving between levels): 1 infiltration to the maximum extent that is practical – where it is safe and acceptable to do so 2 discharge to surface waters 3 discharge to surface water sewer 4 discharge to combined (last resort) 3.2.3 If infiltration is used: confirm that an acceptable infiltration assessment has been undertaken and submitted If discharge to a sewerage asset is proposed, has evidence been provided that the design criteria have been agreed with the sewerage undertaker and that an appropriate connection detail has been agreed? Has runoff and flooding from all sources (both on and off site) been considered and taken into account in the design? 3.3.3 Does the scheme design demonstrate on-site retention of approximately the 5 mm of runoff from impermeable surfaces for most events? How is Interception to be delivered (eg infiltration, green roofs, permeable pavements, vegetated surfaces, bespoke design – provide details)? 3.3.1 4.3.1
c753_the_suds_manual_scheme_design_assessment_checklist.docx