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Document Purpose and Scope
NI-wide·PPS 7 Addendum Safeguarding the Character of Established Residential Areas
This document is a second addendum to PPS 7 'Quality Residential Environments' and must be read in conjunction with the policies contained within this PPS and within the previous addendum – 'Residenti
dwellingflatsdrainageStatus and Application of PPS 7 Addendum
NI-wide·PPS 7 Addendum Safeguarding the Character of Established Residential Areas
This document is a second Addendum to PPS 7 'Quality Residential Environments' and must be read in conjunction with the policies contained within this PPS and within the previous Addendum – 'Residenti
dwellingflatsresidentialdrainageexternal-spacePolicy LC 3: Permeable Paving in New Residential Developments
LC 3NI-wide·PPS 7 Addendum Safeguarding the Character of Established Residential Areas
Favourable consideration will be given to using permeable paving within new residential developments as a means of reducing the risk of flooding associated with surface water run-off. Where appropria
dwellingdrainagesite-planningJustification and Amplification: Natural Drainage Alteration (Section 2.21)
2.21NI-wide·PPS 7 Addendum Safeguarding the Character of Established Residential Areas
Where the natural drainage system is altered by residential development the amount of water infiltrating the ground is normally reduced. Roofs, driveways, pavements, parking bays and a range of other
dwellingdrainageJustification and Amplification: Conventional Hard Surfaces vs Permeable Pavement (Section 2.22)
2.22NI-wide·PPS 7 Addendum Safeguarding the Character of Established Residential Areas
With conventional hard surfaces (e.g. impermeable concrete and tarmacadam) rain and storm water is allowed to flow across such surfaces to gulleys that collect and direct water into underground pipes
dwellingdrainagesite-planningJustification and Amplification: Material Selection for Permeable Surfaces (Section 2.23)
2.23NI-wide·PPS 7 Addendum Safeguarding the Character of Established Residential Areas
There is an ever increasing choice of materials available which are designed specifically to allow water to infiltrate to the ground or to be collected for re-use. Accordingly, when assessing proposal
dwellingdrainagesite-planningPermeable Paving Specifications and Standards
2.24NI-wide·PPS 7 Addendum Safeguarding the Character of Established Residential Areas
As permeable paving should be constructed to suitable specifications, the Department would draw attention to the requirements of BS7533 Part 3 and BS 7533 Part 13 in terms of the design and installati
external-spacesite-planningdrainage