§ 30-142. Construction improvement plans.

A complete set of construction plans for those improvements proposed by the developer shall be submitted with the final plat. All plans shall be prepared and presented in a professional, accurate, and coordinated format. The plans shall contain all required information and be presented in sufficient detail to allow for the construction of the proposed improvements. The plans shall conform and comply with all applicable federal, state, and local laws, codes, and regulations. The plans shall be prepared using the criteria outlined in article IV of this chapter, other county-adopted standards, the county standard specifications and details, and the drainage design manual for the county, and shall conform to the following format and requirements:

(1)

General for all sheets.

a.

Complete title block, including, but not limited to, subdivision name and tract number, plan title, date, revision blocks, and project engineer's name, address and telephone number.

b.

Drawn on a reproducible medium acceptable to the county, including electronic media.

c.

Drawn on 24-inch by 36-inch sheets.

d.

Drawn to a standard engineering scale which shall be noted on each sheet in both numerical and graphic formats.

e.

Lettering size, line weights, symbols, or other drawings, inscriptions and details in accordance with county standard specifications and details, and other county-adopted standards; however, in any event, of sufficient size and weight to be easily read when reduced 50 percent. Minimum font size for final plats is 0.11 inches, per state law.

f.

North arrow.

g.

Signed and sealed by the project engineer. On initial submittals, the seal and signature may be replaced by a prominent note stating the same or similar to "Preliminary plans - Not for construction."

h.

Numbered sheets (i.e., 1 of [total] sheets, etc.), and shall include match lines as necessary.

i.

Labeling of all road names, parcels, lots, and easements to include numbers, letters, or other approved designations.

(2)

Cover and note sheets.

a.

Owner's and developer's name, address, telephone number, fax number, and e-mail address, if any.

b.

Project engineer's name, address, telephone number, fax number and e-mail, and project surveyor's name, address, telephone number, fax number and e-mail.

c.

Subdivision name and tract number at the top of the sheet.

d.

Improvement type designation (grading, paving, etc.).

e.

Vicinity map.

f.

Sheet index map and/or table of contents.

g.

Reference, by note, to any reports which impact the proposed improvements (soils, drainage, geology, etc.) to include the names, addresses, telephone and fax numbers of the individuals or firms preparing those reports.

h.

Legend for standard symbols and abbreviations used.

i.

Source and date of topography.

j.

Location and description of permanent benchmark, including reference to source and datum.

k.

List of estimated quantities for the improvements proposed.

l.

The county standard notes, conditions and terms, as modified and approved by the county engineer.

m.

Federal Emergency Management Agency/flood insurance rate map panel and flood zone(s), if available.

(3)

Plan view sheets. Plan view sheets (engineer may submit multiple sheets according to standard engineering practices) shall be required to be submitted as improvement plans for grading and drainage plans with supplemental cross sections provided, as needed, to adequately explain and allow for the construction of the grading and drainage; water plans and sewer plans for new subdivisions (unless otherwise required by the water company); street light plans (when required or proposed); proposed traffic signing and striping plan, or when approved for use by the county engineer, and shall include the following information:

a.

Existing topography by contours or spot elevations.

b.

Existing improvements; buildings, pavement, ditches, etc.

c.

Existing utilities, underground and aerial.

d.

Existing and proposed property lines, easements, and rights-of-way, properly and clearly dimensioned.

e.

Proposed improvements with stationing, dimensions, curve data, elevations, and notes relative to standard details, if applicable, or referenced to special details included in the plans.

f.

Line weights and types of the proposed improvements; sufficiently darker than existing information so it can be clearly identified.

g.

Centerline monuments for roadways at all points of curvatures, intersections, section corners, and quarter-section corners, and property boundaries.

h.

Limits of the Federal Emergency Management Agency flood zone boundaries shall be shown graphically on the grading plans.

(4)

Plan and profile sheets. Plan and profile sheets (engineer may submit multiple sheets according to standard engineering practices) shall be provided for all proposed roads and streets, sanitary sewer systems, storm drains, bridges, culverts, drainage channels, water systems, and underground electric or gas services, as required by a serving utility, and/or when required by the county engineer. In addition to the information required in subsection (3) of this section, plan and profile sheets shall be drawn at expanded scale in the profile view, and include the following information:

a.

Elevation and stationing grids clearly indicated.

b.

Profile of existing ground or surface over proposed construction.

c.

Existing and proposed utility crossing.

d.

Finished grade for the proposed street or roadway improvements, including control and spot elevations, slopes, grade breaks, vertical curve information, stationing, construction notations, etc.

e.

Graphic representation of the finished grade of other improvements plans is acceptable.

(5)

Detail sheets. Separate detail sheets shall be provided at the discretion of the project engineer and/or as required by the county engineer, to show modified and special construction details necessary for the construction of the improvements, such as typical roadway and street sections, sign and utility installations, drainage improvements, retaining walls, ADA compliant sidewalks, etc. All details and sections shall be fully depicted and dimensioned to allow for construction. Depending on available space, construction details may be placed on the cover sheet.

(6)

General notes. The following general notes shall appear on the development plan. Additional notes specific to each plan shall be provided as and where applicable.

a.

All work shall be done in accordance with county standard specifications and standard details, and other county-adopted standards, unless otherwise approved by the county engineer, or unless approved as an exception from standard by hearing of the planning and zoning commission and the board of supervisors.

b.

The contractor shall obtain a right-of-way use permit for any work to be performed within rights-of-way under the ownership or control of the county.

c.

This set of plans has been reviewed for compliance with county requirements prior to issuance of construction permits. However, such review shall not prevent the county from requiring correction of errors in plans found to be in violation of any law or ordinance. Review and approval of plans does not release any developer or project engineer from responsibility for errors or omissions on said plans.

d.

Improvements will not be accepted until certified record drawings (as-builts), including all test results, have been submitted and accepted by the county.

e.

The developer, any successors, and assigns, will hold the county, its officers, employees, and agents harmless from any and all claims for damages related to the use of this development as shown hereon, now and in the future, by reason of flooding, flowage, erosion, or damage caused by water, whether surface flood or rainfall.

f.

Drainage will remain in its natural state and will not be altered, disturbed, or obstructed other than as shown on this development plan.

g.

A floodplain use permit and finished floor elevation certificate are required for all parcels located within the Federal Emergency Management Agency designated areas of special flood hazard for the 100-year storm.

h.

Any relocation, modification, etc., of existing utilities and/or public improvements necessitated by the proposed development shall be at no expense to the county.

i.

The contractor shall follow all Blue Stake laws and notify Blue Stake (1-800-STAKE-IT) before digging.

j.

All grading shall conform to the most recently adopted edition of the building codes, as adopted and modified by the county.

k.

Where soil is to be removed from the site, the contractor shall designate the location where the fill will be placed and obtain a letter from the owner of that property allowing the placement of the material. Placement of this material shall be subject to the applicable requirements and permits of the governing jurisdiction.

l.

All required traffic control devices shall conform to the manual on uniform traffic control devices, latest edition.

m.

Except for the work performed under the terms of a franchise, or work performed by a governmental agency, the owner shall be responsible for ensuring that all work is inspected and tested by or under the direct supervision of a project engineer.

( Ord. No. 2001-01 , § 3.11(E), 2-20-2001; Ord. No. 2004-04 , § 3.11(E), 12-6-2004; Ord. No. 2010-06 , § 3.8(E), 4-5-2010)