Standards & Details
|Local BFE and Benchmark Datum Conversion Guidelines (PDF)
|A memo outlining the WDO requirement for development applications to reference North American Datum of 1988 (NAVD88), which supersedes the National Geodetic Datum of 1929 (NGVD29).
|Perforated Risers - Standard Detail (PDF)
|A file cross-section diagram of a perforated riser that can be used on an engineering details sheet for projects that require either a temporary or permanent basin.
|Silt Fence Detail (PDF)
|A file for use on engineering plan detail sheets reflecting Lake County's minimum silt fence requirements.
|Stabilized Construction Entrance (1 of 2) (PDF)
|Part 1 of 2. A file for use on engineering plan detail sheets reflecting Lake County's minimum construction entrance requirement. The engineer needs to indicate the construction entrance length (L) for the specific project. Part 1 of 2 detail sheets.
|Stabilized Construction Entrance (2 of 2) (PDF)
|Part 2 of 2. A file illustrating Lake County's minimum requirement for a construction entrance cross section. To be used with Part 1 on site engineering plans. The engineer needs to fill out the site-specific dimensions.
|Typical Construction Sequence (PDF)
|A file listing Lake County SMC's typical construction sequence for SE/SC practices for use on site engineering plans, modified as appropriate to a given development.
|Underdrain Detail (PDF)
|A file draft showing a stormwater basin underdrain system profile and cross-section details. Can be inserted onto site engineering plans, modified as appropriate to site conditions.