Item details
| Designated Exempted Works item no. | 25 |
|---|---|
| Nature of works | Addition/Alteration/Repair/Removal of any surface drainage channel on-grade |
| The depth of the channel | Not more than 300mm |
| The channel is for any natural, formed or man-made slope or any retaining wall | No |
More details: See Item 25 Description of building works, Schedule 2 - Part 2, Building (Minor Works) Regulation