Green Roof Minimum Specifications


Green Roof Minimum Specifications
These proposed minimum design specifications for green roofs are submitted pursuant to Provision C.3.c. iii. (4) of the MRP. The Permittees were asked to include the following elements in their proposal:
  • Relevant literature and field data showing the feasibility of the minimum design specifications;
  • Relevant literature, field, and analytical data showing adequate pollutant removal and compliance with the Provision C.3.d hydraulic sizing criteria;
  • Discussion of data and lessons learned from already installed green roofs;
  • Discussion of barriers, including institutional and technical site specific constraints, to installation of green roofs and proposed strategies for removing these identified barriers; and
  • Guidance for the Permittees to apply the minimum specifications in a consistent and appropriate manner


Please submit written comments to Dale Bowyer at dbowyer@waterboards.ca.gov no later than 5 p.m. on June 10, 2011.

Or you may use regular mail:

Dale Bowyer
1515 Clay St. Suite 1400
Oakland, CA 94612.