This form is required for all residential building projects along with specific site and project data.
Draw site plan to scale, no less than 1-inch = 100-feet, show all property corners, existing and proposed structures, adjacent roads, all storage tank locations, all easements, utility locations, and north arrow. The site plan may incorporate the erosion, pollution, and stormwater control requirements of a site development permit. This combined plan is sometimes referred to as an abbreviated plan or stormwater site plan.
Structural Engineering Calculations
Engineering calculations are required whenever a structure doesn't meet conventional light frame construction standards. Submit structural design drawings separately from architectural drawings. Both calculations and drawings must be stamped by a licensed professional engineer.
Building Construction Drawings
Draw to scale, the preferred scale is 1/4-inch = 1-foot, and include dimensions. A complete set of drawings includes a foundation plan, framing plans, floor plans, cross sections, and elevations.
Site Development Permit
Required for structures greater than or equal to 500 sq. feet or when located within 35 feet of a property line to ensure that the applicant controls erosion, pollution, and stormwater runoff during and after construction. County engineering staff review site development permit applications for conformance with the County's regulations and inspect during the construction for proper implementation. The permit application fee covers the cost of review and inspection.
A Driveway Approach Permit is required for: a new driveway approach that connects to a public road, an existing driveway approach that was never permitted or built to County standards, and to modify or rebuild an existing driveway approach. View 17B.10.101 Driveway Approach Required Permit.
Emergency Vehicle Access
Clearly identify emergency vehicle access on the site plan. Requirements: 15' wide when serving one home; 18' wide when serving more than one home. Pierce County Code Table 17C.60.150-1 calls out EVA width.
Sewer work done on residential property; single-family, duplexes and accessory dwelling units requires review by the County Public Works Department.
Only haulers registered by the State of Washington and permitted by Pierce County Public Works with a current and valid license number may move mobile/manufactured homes. Contact the Development Center for a list of approved haulers.