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Stormwater Management Plan Template – Ver. 1Template
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Purpose
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Version History
Ver. 1
Approval
Author of the Stormwater Management Plan
Reviewed Date:
Approved Date:
Stormwater Management Plan Template 3
Table of contents
Executive summary..............................................................................................................4
1 Existing Site Appraisal...................................................................................................5
2 Development summary and planning context................................................................7
3 Mana whenua matters...................................................................................................8
4 Stakeholder engagement and consultation....................................................................9
5 Proposed development................................................................................................10
6 Stormwater Management............................................................................................11
7 Departures from regulatory or design codes................................................................14
8 Conclusions and recommendations for future work.....................................................15
Appendix A – Plans of existing site features......................................................................16
Appendix B – Proposed development plans.......................................................................17
Appendix C1 – Proposed stormwater management...........................................................18
Appendix C2 – Stormwater management selection process and assessment...................19
Appendix C3 – Draft operation and maintenance...............................................................20
4 Stormwater Management Plan Template
Executive summary
[insert chapter introduction statement here]
[insert Executive summary text here]
1 Existing site appraisal
[insert chapter introduction statement here]
1.1 Summary of data sources and dates
Existing site appraisal item Source and date of data used
Topography
Geotechnical / soil conditions
Existing stormwater network
Existing hydrological features
Stream, river, coastal erosion
Flooding and flowpaths
Coastal Inundation
Ecological / environmental areas
Cultural and heritage sites
Contaminated land
1.2 Location and general information[insert location and general information description and figures here]
Existing site element
Site address
Legal description
Current Land Use
Current building coverage
Historical Land Use
1.3 Topography[insert topography description and figures here]
6 Stormwater Management Plan Template
1.4 Geotechnical[insert geotechnical description and figures here]
1.5 Existing drainage features and stormwater infrastructure[insert stormwater drainage description and figures here]
1.6 Receiving environment[insert receiving environment description and figures here]
1.7 Existing hydrological features[insert hydrological features description and figures here]
1.8 Flooding and flowpaths[insert flooding and flowpath description and figures here]
1.9 Coastal inundation[insert coastal inundation description and figures here]
1.10 Biodiversity [insert biodiversity description and figures here]
1.11 Cultural and heritage sites[insert cultural and heritage description and figures here]
1.12 Contaminated land[insert contaminated land description and figures here]
2 Development summary and planning context
[insert chapter introduction statement here]
2.1 Regulatory and design requirements[insert regulatory requirements here]
Requirement Relevant regulatory / design to follow
Unitary Plan – SMAF hydrology mitigation
High Contaminant Generating Areas
Natural Hazards
Auckland Unitary Plan Precinct
Existing Catchment Management Plan
Auckland Council Regionwide Network Discharge Consent
8 Stormwater Management Plan Template
3 Mana whenua matters
[insert chapter introduction statement here]
3.1 Identification and incorporation of mana whenua values[insert mana whenua discussion here]
4 Stakeholder engagement and consultation
[insert chapter introduction statement here]
Stakeholders What is the reason for interest?
What engagement has been completed?
Feedback and response
10 Stormwater Management Plan Template
5 Proposed development
[insert chapter introduction statement here]
5.1 General development information[insert general development discussion here]
5.2 Location and area[insert location description and figures here]
5.3 Purpose of the development[insert purpose description and figures here]
5.4 Site layout and urban form[insert layout description and figures here]
5.5 Earthworks[insert earthworks description and figures here]
6 Stormwater management
[insert chapter introduction statement here]
6.1 Principles of stormwater management
6.1.1 Original principles[insert principles description and figures here]
6.1.2 Updated principles[insert principles description and figures here]
6.2 Proposed stormwater management
6.2.1 General[insert stormwater management description and figures here]
6.2.2 Water quality[insert water quality description and figures here]
6.2.3 Stream hydrology[insert hydrology description and figures here]
6.2.4 Flooding[insert flooding description and figures here]
6.2.5 Overland flowpath and floodplain management[insert flowpath and floodplain description and figures here]
6.2.6 Development staging[insert staging description and figures here]
6.3 Hydraulic connectivity[insert hydraulic connectivity description and figures here]
6.4 Asset ownership[insert asset ownership description here]
6.5 Ongoing maintenance requirements[insert maintenance description here]
6.6 Implementation of stormwater network[insert implementation description here]
12 Stormwater Management Plan Template
6.7 Dependencies[insert dependencies description here].
6.8 Risks
[insert chapter introduction statement here]
What is the risk to the proposed stormwater management?
How can this be mitigated / managed?
What other management /
mitigation could be used?
When does this risk need to be addressed?
What is the resultant
level of risk?
14 Stormwater Management Plan Template
7 Departures from regulatory or design codes
[insert chapter introduction statement here]
[insert departures description here]
8 Conclusions and recommendations for future work
[insert chapter introduction statement here]
8.1 Conclusions[insert conclusion here]
8.2 Recommendations[insert recommendations here]
16 Stormwater Management Plan Template
Appendix A – Plans of existing site features
Appendix B – Proposed development plans
18 Stormwater Management Plan Template
Appendix C1 – Proposed stormwater management
Appendix C2 – Stormwater management selection process and assessment
20 Stormwater Management Plan Template
Appendix C3 – Draft operation and maintenance
