Civil Engineering Site Plans: frequently asked questions
These answers are general. For your situation, check the official sources listed below or ask a professional.
Do I need a civil engineer for my permit?
Many building and planning departments require a sealed site, grading or drainage plan for new buildings, additions on sloped lots and commercial projects.
Do I need a survey first?
Usually yes: the engineer designs on a boundary and topographic survey of the site.
What is a stormwater permit?
Under EPA rules, construction that disturbs an acre or more generally needs permit coverage and a stormwater pollution prevention plan.