Perimeter drainage tile

Exterior · Basement Walkouts · printed page 338 (PDF page 339)

Book index entries

Perimeter Drainage Tile around Exterior Basement Stairwells Basement – Walkouts Exterior – Stairs Walkouts from Basements

Text in the illustration

existing drainage tile
the perimeter drainage tile should be extended out around the basement walkout when it is built
unfortunately, this is often not done and the tile is simply cut - leading to significant water accumulations next to the walkout and potential frost damage

Generated explanation

The illustration shows an exterior basement walkout with stairs descending alongside the house foundation to a basement door, enclosed by a metal guard railing. Dashed lines reveal the below-grade stairwell and the perimeter drainage tile routing around its outer footprint. The proposed drainage route connects the existing drainage tile on either side of the walkout rather than passing through the excavation. An annotation warns that simply cutting the existing tile without extending it around the walkout can cause significant water accumulation and potential frost damage.

Related illustrations

0238

Exterior basement stairwell

· p. 38

The illustration shows a side-view cross section of an exterior stairwell descending to a basement door, with a perspective inset locating the stairwell beside a house. Railings protect the stairwell opening, and a slopi