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(A) The developer shall have a complete set of engineering plans and specifications prepared by a registered civil engineer who is currently registered in the state of Arizona, and submit such plans to the public works department for approval. Such plans and specifications shall be based on the approved preliminary plat and shall be prepared in conjunction with the comprehensive development plan.

(B) Final engineering plans shall be approved by the public works director prior to recordation of the final plat. This final plan approval is valid for a period of one (1) year. If construction is not started prior to the plan approval expiration, the plans shall be resubmitted to the public works department for an update approval according to current standards and guidelines. If, after construction has begun on a project and it is stopped for any reason for a period of one (1) year or more, the plan approval becomes invalid. The plans must be submitted for update approval prior to restarting construction. The plans will be reviewed for compliance with current standards and requirements.

(C) Improvement plans shall include plans, profiles and typical street cross sections which contain the following minimum information:

(1) The cover sheet shall include at least the following information:

(a) Name and type of plan;

(b) Vicinity map;

(c) Location map;

(d) Benchmarks approved by the City of Show Low;

(e) Basis of bearing for the project;

(f) Name, address, and phone number of developer;

(g) Name, address, phone number, and professional seal of engineer preparing plans;

(h) List of utility agencies serving the proposed development;

(i) Plan sheet index;

(j) Approval signature block of the City of Show Low public works director;

(k) Blue Stake note.

(2) Plans shall include at least the following information:

(a) Street names;

(b) A north arrow and graphic on each plan sheet;

(c) Stationing and lateral dimensions of streets and rights-of-way, including pertinent survey data and curb return data;

(d) Location of existing and proposed utilities being designed and existing streets to be joined;

(e) Drainage structures, including cross gutters, culverts, catch basins, or similar items. Show a positive outlet for all drainage leaving the site and will not have a negative impact on the downstream property. All concentrated drainage flowing from public right-of-way onto private property must have a drainage easement to flow into or a note on the final plat relating the drainage impact on the lot;

(f) Curb, gutter, sidewalks and asphalt structures;

(g) New traffic control devices, all existing traffic control devices within the area of the project, and changes in traffic control devices in the vicinity of the project which are required as a result of the project;

(h) The top and toe of slopes for both cuts and fills shall be shown if the project extends outside of the right-of-way limits;

(i) Location of all existing and proposed water lines, water valves, water meters, water service lines, fire hydrants, sewer manholes, sewer services, storm drains, and street lights;

(j) Construction notes indicating any and all construction items for utilities, paving, storm drainage, etc.;

(k) City of Show Low current general notes for construction;

(l) A plan sheet showing the location of all traffic control signs shall be included as a plan sheet;

(m) Additional information needed to clarify plans or address specific conditions.

(3) Profiles shall include at least the following information:

(a) Benchmarks, including description, location and elevation;

(b) Existing and finished grade profiles. Profiles of centerline and right and left gutter control line or edge of pavement are required. The presentation must clearly show and distinguish existing profiles and other profile information;

(c) Finished elevations including BVC, PI, and EVC of vertical curves, vertical intersection points, and curb returns match lines and all other points needed for vertical control of construction;

(d) Slopes and vertical curve lengths;

(e) Curb return profiles at intersections or quarter delta spot grade at curb returns;

(f) Drainage structures and utilities;

(g) Extension of the improvement project as required to assure that the design is compatible with future extensions. Public and franchise utilities shall be extended to project boundary. Exceptions may be considered based on site conditions;

(h) Consistent stationing throughout the plans;

(i) Additional information needed to clarify profiles or address special conditions, i.e., profile or drainage channels, stationing and elevations at beginning and end of all curb returns, grade breaks and beginning and end of construction;

(j) Cul-de-sac profiles at curb line.

(4) Cross-sections shall include at least the following:

(a) Typical street cross-sections are needed for each condition encountered and each shall be clearly identified as to where it applies.

(b) Materials and thickness, including sub-base select material aggregate base, prime coat, asphaltic concrete, curb and gutter, and sidewalk with notation of the engineering firm preparing the soils reports and the report numbers, if applicable. The specification and types of materials shall be stated.

(c) Horizontal dimensions to all key points, including rights-of-way.

(d) Cross slopes.

(e) Parkway conditions. Maximum and minimum slopes are to be shown for cuts, fills, and side hill conditions. Any side ditches or other special conditions are to be shown. A minimum two (2) foot wide flat area shall be constructed behind the sidewalk or curb before the slope begins.

(f) Right-of-way widths in relation to centerline, and identified by street name to which it is applicable.

(g) Limits of applicability by station if necessary.

(5) The plans shall contain the current City of Show Low “General Notes” for water, sewer, grading, and paving construction as prepared by the public works director.

(6) One (1) set of “record drawing” reproducible and electronic file (AutoCAD or approved equal of “record drawing”) of all improvements must be submitted to and approved by the public works director prior to final approval of the project.

(7) As-builts shall have geometric tie to a minimum of two (2) geodetic monuments. (Ord. No. 2008-12, §§ 1, 2, 9-16-08; Ord. No. 2019-02, § 1, 2-5-19. 1976 Code § 12-4(b))