How To Write A Land Plan For Marston Vale

Transcription

1 Marston Vale Surface Waters Plan Integrated Urban Drainage & Best Practice John Oldfield Bedford Group of Drainage Boards Integrated Urban Drainage Defra Pilot Studies Making Space for Water 15 projects Existing problems / new development National inconsistency Partnership working Best Practice guidance 1

2 Marston Vale Surface Waters Plan Integrated Urban Drainage & Best Practice Why the Marston Vale? Why a Strategy? Marston Vale Elstow Brook catchment 2

3 Existing Rural Catchment Development Pressures 20,000 houses 3

4 Development Pressures 20,000 jobs Development Pressures 4

5 Opportunities to get it wrong! Development in flood plain Opportunities to get it wrong! Piecemeal developer solutions 5

6 Opportunities to get it wrong! Landscape architect planting Opportunities to get it wrong! Poor maintenance access 6

7 Opportunities to get it right! Marston Vale Catchment Characteristics Brick and gravel workings 7

8 Landfill Designated the Forest of Marston Vale 8

9 Correct Leadership and Direction Amenity and Flood Risk Management Marston Vale Surface Waters Group Drainage Authorities Planning Authorities Amenity Management Consulting Engineers Hannah Reed 9

10 Land Allocation in Structure and Local Plans West of Bedford development Key aims Wixams development Former brick pits and gravel workings Parties Interested in Development Private Developers Private Landowners 10

11 Why? IDB formed the Surface Waters Group Focus development aspirations Integrated approach to surface water issues Form a partnership from a range of agendas/parties IDB provided leadership and direction at a strategic level In 1998 the Surface Waters Group decided to promote its policies through the production of the Marston Vale Surface Waters Plan. Published in Identifies opportunities for serving developments with strategic surface water drainage and flood risk mitigation facilities. 11

12 Strategic Level Issues of Marston Vale Surface Waters Plan The inability to enforce the use of the plan Differing timescales for development Developers not working together Different Statutory Powers of public bodies Master Plan Detailed solution to Integrated Urban Drainage Marston Vale Elstow Brook catchment 12

13 Master Plan Detailed solution to Integrated Urban Drainage 13

14 West of Kempston Master Plan Details of strategic assets (180,000 m 3 flood storage) Biodiversity wet woodlands Funding for outline design / detailed design Long term maintenance by IDB Land Management by Forest of Marston Vale Marsh Leys Development Size Matters! 14

15 Flooding and July 2007 Sustainable Drainage Systems (SuDS) 15

16 What happens when the development and been designed and built? The need for maintenance 16

17 The need for maintenance The need for maintenance 17

18 The need for maintenance Access for maintenance 18

19 Access for maintenance Access for maintenance 19

20 Defra IUD Pilot Study Marston Vale Surface Waters Plan 1. Review the Surface Water Strategy 2. Review the Master Plan 3. Model recommendations Consultation Public bodies Private developers Specific examples Review current legislation Defra IUD Pilot Study Marston Vale Surface Waters Plan Consultation workshop public bodies Good strategy / clear to understand Joint ownership Clear agenda for development Strategic multi-function flood management assets Future management defined 20

21 Defra IUD Pilot Study Marston Vale Surface Waters Plan Consultation workshop public bodies House targets Transport Jobs targets Planning Authority Schooling Health Care Infrastructure power, BT, drainage Defra IUD Pilot Study Marston Vale Surface Waters Plan Consultation workshop public bodies House targets Transport Jobs targets Planning Authority Schooling Health Care Infrastructure power, BT, drainage Leadership from specialists 21

22 Defra IUD Pilot Study Marston Vale Surface Waters Plan Consultation workshop public bodies What goal posts should we aim for? Highway drainage 1 in 2 year standard Soak away drainage 1 in 10 year standard Sewers for Adoption 1 in 30 years standard Rivers 1 in 100 years standard Defra IUD Pilot Study Marston Vale Surface Waters Plan Consultation private developers Technically good Commercially reality? Timescales Supplementary planning guidance (not policy): No teeth 22

23 Marston Vale Surface Waters Plan & IUD Summary Direction and Leadership Long term commitment maintenance Scale of assets Common Standards (exceedance plan) Ownership Enforceability 23