Marin County Municipal Code Ch. 24.10 Improvement Plans

(a) Prior to the commencement of any work on improvements covered by this title and before filing any required final subdivision map or parcel map, complete plans for all of those improvements shall be submitted to and approved by the director. In addition, landscape and irrigation plans and other plans required by the community development agency shall be approved by the community development agency director.

(b) Improvement plans shall be prepared by a registered civil engineer unless this requirement is waived by the director. Plans shall be legible and clearly drawn. They shall be of such a scale, size and detail as to be acceptable to the agency. All elevations referred to shall be based on the National Geodetic Vertical Datum except that an assumed datum may be used if the entire project is above an elevation of twenty-five feet N.G.V.D.

(c) Accompanying the plans shall be such engineering data and computations as are deemed necessary by the agency to check the adequacy of the proposed improvements and accuracy of the plans.

(Ord. 3181 § 5 (part), 1994)

Required plans may include but are not necessarily limited to the following:

(a) A complete grading plan of the entire area of construction.

(b) A soils investigation by a registered civil engineer, geotechnical engineer or engineering geologist.

(c) Profiles drawn to scale showing existing ground and final grade elevations on centerline of all streets, highways, walkways, alleys, sanitary and storm sewers, and drainage ways.

(d) Detailed plans and specifications for street grading, construction of pavement section, curbs, gutters and sidewalks.

(e) Other profiles and cross sections as required by the agency.

(f) Detailed plans and specifications for drainage facilities and structures and flood-control improvements.

(g) Detailed plans and specifications for sewerlines which are not located in a regularly constituted sanitary or sanitation district and for waterlines which are not located in a public utility district.

(h) An erosion and sediment control plan and a surface runoff pollution control plan (SRPCP) when and if required. See Sections 24.04.625 and 24.04.627.

(i) Detailed plans and specifications for any community sewage disposal system as required by and under the authority of other regulatory authorities.

(j) Final landscaping plan as required by the community development agency showing:

(1) All existing trees spaced more than thirty feet apart, by species, with trunk dripline indicated;

(2) In more densely wooded areas or in tree clusters, only the outline need be shown. However, trees over six inches in trunk diameter within the clusters must be shown if they are to be removed;

(3) Proposed trees and other plantings indicating species and size at time of planting, soil preparation, specifications for planting and maintenance;

(4) Irrigation plan. See Section 24.04.800;

(5) Any other recognizable feature.

(Ord. 3181 § 5 (part), 1994)

Reference to "Uniform Construction Standards" or "State Standard Plans" may be used in lieu of applicable details.

(Ord. 3181 § 5 (part), 1994)

Plan sheets shall not be larger than twenty-four inches by thirty-six inches unless approval for larger sheets is obtained from the agency.

(Ord. 3181 § 5 (part), 1994)