Maple Leaf Reservoir Capping (Seattle, WA)

The Seattle Public Works required a lightweight soil that must perform like a premium turf grass rootzone but at only a fraction of the weight to be laid on the concrete cap of their 16 acre reservoir project.

Project Details – Maple Leaf Reservoir Capping

Owner
Seattle Public Utilities

Landscape Architect
MWH Global

Location
Seattle, Washington

Veratec Products & Services Required
Custom Lightweight Media
Consulting
Soil Testing

Features

• A massive 8 acre planted roof area covers this 60 million gallon drinking water reservoir
• Total of 15,600 cubic yards of custom engineered lightweight growing media was required to ‘cap’ the concrete reservoir roof deck
• The Custom Engineered lightweight media performs similar to a USGA golf green rootzone, but at only 50-55% of the loose bulk density.