Central Bedfordshire Council Planning Pages

Conditions or Reasons for Planning Application - CB/20/01603/DOC

Conditions or Reasons:

6) Prior to the commencement of any development hereby permitted a detailed surface water drainage design shall be submitted to and approved in writing by, the Local Planning Authority. Where surface water drainage is provided in shared spaces on the site, the maintenance of this shall be secured by any means necessary and demonstrated to the LPA for approval. The final approved design shall be fully implemented and subsequently maintained, in accordance with the timing / phasing arrangements embodied within the scheme or within any other period as may subsequently be agreed, in writing, by the Local Planning Authority
The scheme to be submitted shall include:

Plans and calculations showing sufficient disposal, storage and conveyance of surface water (up to and including for the 1in100 year event + a 40% allowance for climate change).
Results of site-specific infiltration testing to support the design of infiltration devices (carried out in accordance with BRE 365), or calculations to demonstrate greenfield rate/volume will not be exceeded where discharging off site and evidence that the downstream network shall have sufficient capacity, condition and outfall to accept the development's run off.
Details of the full design of the drainage scheme in its entirety and use of SUDS, including flow controls and water quality management.
Overview of proposed construction of the system and any phasing of works.
Confirmation of the management and maintenance arrangements for the surface water drainage system in its entirety, including any split in public and private responsibilities.

Reason:
To ensure the approved system will function to a satisfactory minimum standard of operation and prevent the increased risk of flooding both on and off site for the lifetime of the development in accordance with para 103 NPPF and the Non-statutory technical standards for sustainable drainage systems (DEFRA, 2015); and to ensure that the implementation and long term operation of a sustainable drainage system is in line with what has been approved, in accordance with Written statement - HCWS161.

This planning condition is required to be pre-commencement in order to ensure adequate drainage design is approved and able to be implemented at the time of initial construction works relating to the development and in the interests of flood risk.

10) Prior to the commencement of any above ground building works, details of the provision of lifetime homes for the affordable units shall be submitted to and approved in writing by the Local Planning Authority. The development shall be carried out in accordance with the approved details.

Reason
To ensure appropriate housing design for a wide age range of the population in accordance with policy DM10 of the CSDMP 2009.

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