Specifications and Pre-approved Materials
Porous Pavement
Approved Pervious Wearing Course (pdf)
Pervious Concrete Specifications (pdf)
Permeable Pavement Details (pdf)
Permeable Pavement CAD files 6-23 to 6-26 (zip)
Bioretention (Rain Gardens, Stormwater Planters)
Bioretention Soil Specification (pdf)
Bioretention within Right-of-Way Details (pdf)
Bioretention within Right-of-Way CAD files 6-15 to 6-22, 6-27, and 6-28 (zip)
Planting List for Use in Right-of-Way (pdf)
Bioretention Planting List Compilation from Previous NDS Projects (pdf)
Planting list to share ideas for potential uses on private parcel applications (remember any bioretention within right-of-way must use list provided above; any exceptions will result in no SPU role in system O&M)
Rain Water Harvesting
Rainwater harvesting Client Assisted Memo (pdf)
Other Rainwater Harvest information