SuDS Guidance for Ireland SuDS Guidance for Ireland

irishsuds.comirishsuds.com

12 December 2007 Don McEnteeChartered EngineerDublin City Council

Are SuDS the Answer for Drainage?Are SuDS the Answer for Drainage?IEMAIEMA

Greater Dublin Strategic Drainage Study (GDSDS)

SuDS Guidance for Ireland

Greater Dublin Strategic Drainage Study (GDSDS)

SuDS Guidance for Ireland

HR Wallingford HR Wallingford have have prepar prepareded guidance guidance document for Dublin City Councildocument for Dublin City Council

`R`Released eleased on website on 1on website on 1STST December December 20072007

Covers whole of IrelandCovers whole of Ireland Available free of charge on webAvailable free of charge on web at at

irishsuds.ieirishsuds.ie

Promoting SuDS in IrelandPromoting SuDS in IrelandThe The web site web site is is to promote and facilitate the to promote and facilitate the

use of SuDSuse of SuDS Tools for Developers and PlannersTools for Developers and Planners Guidance on Guidance on SSuDSuDS References for more informationReferences for more information Provide a common view for all stakeholdersProvide a common view for all stakeholders

www.irishsuds.comwww.irishsuds.com

ObjectiveObjective Ensure GDSDS policy is appliedEnsure GDSDS policy is applied Provide site specific and general guidance Provide site specific and general guidance

on SuDS on SuDS Provide quick (no cost) information on Provide quick (no cost) information on

rough storage volumes needed rough storage volumes needed Provide basis for initial planning Provide basis for initial planning

discussions on drainage discussions on drainage Provide links to other SuDS referencesProvide links to other SuDS references

SuDS Guidance for GDSDS PolicySuDS Guidance for GDSDS Policy

Implement GDSDS criteriaImplement GDSDS criteria Greenfield runoff predictionGreenfield runoff prediction River water quality protectionRiver water quality protection River regime protectionRiver regime protection River flood protectionRiver flood protection Level of Service against floodingLevel of Service against flooding

Interception storageInterception storage Treatment storageTreatment storage Long term storageLong term storage

SuDS Guidance for GDSDS PolicySuDS Guidance for GDSDS Policy

Guidance on high density small in-fill Guidance on high density small in-fill development sitesdevelopment sites

Guidance on greenfield development sites Guidance on greenfield development sites drained to the local streamdrained to the local stream

Guidance on greenfield development sites Guidance on greenfield development sites drained to an estuary or the coastdrained to an estuary or the coast

guidance on developments with clay soils, guidance on developments with clay soils, high groundwater or contaminated landhigh groundwater or contaminated land

Greater Dublin Strategic Drainage Study (GDSDS)Greater Dublin Strategic Drainage Study (GDSDS)

Guidance Guidance

Specific Site GuidanceSpecific Site Guidance

Simple short report (with unique ref. identifier) Simple short report (with unique ref. identifier) advising on appropriate SuDS for a site, based on:advising on appropriate SuDS for a site, based on: Soil typeSoil type Type of developmentType of development SizeSize Contaminated landContaminated land Scarce water resourcesScarce water resources Groundwater depthGroundwater depth Drainage ownershipDrainage ownership Greenfield / BrownfieldGreenfield / Brownfield Aquifer vulnerabilityAquifer vulnerability

Report SuDS Advice for Development Site

Report SuDS Advice for Development Site

Short introductionShort introduction SuDS use on the siteSuDS use on the site

Which SuDS to use and whyWhich SuDS to use and why Which SuDS NOT to use and whyWhich SuDS NOT to use and why

SuDS General GuidanceSuDS General Guidance

SuDS description leafletsSuDS description leaflets All types of SuDSAll types of SuDS

Summary guidance of key aspects of all Summary guidance of key aspects of all SuDS componentsSuDS components

SuDS Information SheetsSuDS Information Sheets

Storage for Treatment and AttenuationStorage for Treatment and AttenuationTool based on correlation of simple Tool based on correlation of simple InfoWorks CS models to estimate storage on InfoWorks CS models to estimate storage on sitessites Based on:Based on:

M5M5 6060 RR SAARSAAR PIMP (percentage impervious area)PIMP (percentage impervious area) Assumes 100% runoff from paved and 0% for Assumes 100% runoff from paved and 0% for

pervious areaspervious areas For initial cost estimates and outline designFor initial cost estimates and outline design