# The Town and Country Planning (North Wales Border Control Post) (EU Exit) Special Development Order 2023, Paragraph 18: Waste management and drainage


(1) Waste disposal and drainage from the development either from buildings or hard surfacing must be via the appropriate drainage system.
(2) The appropriate drainage system is SuDS for runoff from the elements outlined in Table 2 at column (1), with column (2) providing the method of drainage.
Table 2
(1) Element
(2) Method of drainage
Access roads
Collection by filter strips and swales or filter drains to flow to the detention basin and then the watercourse.
Deliveries apron and HGV parking
Collection via linear drainage with oil separator to flow to detention basin and then the watercourse.
Car parks
Infiltration to ground through permeable paving and excess to flow to detention basin and then the watercourse.
Footpaths
Infiltration to ground through permeable paving and excess to flow to detention basin and then the watercourse.
Vehicle quarantine area
Collection via linear drainage with oil separator to flow to detention basin and then the watercourse.
Roof water
Collection via downpipes to flow to detention basin and then the watercourse.
Emergency access road
Direct drainage to the ground.
Substation layby
Direct drainage to the ground.
Landscaped areas
Direct drainage to the ground.
(3) The appropriate drainage system is the foul water sewer for—
(a) domestic foul water from—
(i) offices and welfare areas of inspection buildings,
(ii) driver welfare buildings, and
(iii) staff welfare buildings;
(b) trade effluent from—
(i) inspection areas for plants, produce and small animals, and
(ii) external bin stores.
(4) The appropriate drainage system is the foul water sewer or to holding tanks for removal by tanker for trade effluent from—
(a) inspection areas for large animals including horses, and
(b) external animal waste stores.
(5) In this condition, “SuDS” means a sustainable drainage system for managing rainwater, including snow and other precipitation, with the aim of—
(a) reducing damage from flooding,
(b) improving water quality,
(c) protecting and improving the environment,
(d) protecting health and safety, and
(e) ensuring the stability and durability of drainage systems.

---
Source: https://www.legislation.gov.uk/wsi/2023/256/schedule/paragraph/18 (the official version)
Page: https://openlegislation.uk/town-and-country-planning-north-wales-border-control-post-eu-exit-special-development-order-2023/schedule/paragraph-18
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.