HomeMy WebLinkAboutSD-23-07 - Supplemental - 0600 Spear Street (56)The Stormwater Section has reviewed the 600 Spear Street Narrative provided by Trudell Consulting
Engineers. We would like to offer the following comments:
1. Sheet C3-03: Pipe from DMH 5 to Gravel Wetland 4 conflicts with solar field fence. Please ensure
clear access to entire length of pipe for future maintenance.
2. Sheet C8-402:
a. Gravel wetland detail: 6” perforated subdrain is called out as wrapped in fabric. Please
remove fabric detail to minimize clogging.
b. Perforated riser detail: please provide justification for fabric around perforated riser.
3. Greater than 50% of the existing on-site impervious is being redeveloped. Under Section
13.05.3.b of the LDRs, the City requires all on-site impervious be treated if redevelopment or
reconstruction exceeds 50% of the existing impervious. Please provide treatment for the
entirety of the on-site impervious.
4. Please provide HydroCAD model and modeling results for review.
5. EPSC: please consider using the footprints of the gravel wetlands as temporary sediment basins
during construction.