Roadway Standards Section 140 – Permit And Plan Submittal Requirements

140.1 Development Permit Submittal

Permit applications shall contain documents submitted in support of a Development Permit application and shall be prepared in accordance with the following requirements:

1. Submitted via one of the methods described in Section 130.3.2.
2. Electronic plans are preferred to paper plans and shall follow the same requirements as paper plans.
3. Plans submitted on paper shall be submitted on 22" x 34", 24" x 36" or 11"x17" sheets.  Traffic signal plans shall be submitted on 11" x 17" sheets.  Acceptable scales are 1" = 10', 20', 30', 40' or 50' horizontal (1:10 ratio) and 1" = 1', 2', 3', 4', or 5' vertical.  The scale shall be shown for each plan.  Engineer scale shall be required. Depending on the plan, engineering may allow other scales upon request. 
4. Plans shall include the following:
5. The land use case file number on the cover sheet (if applicable)
6. Project contacts on the cover sheet
7. A north arrow shall be included on each sheet and point to the top or right side of the plan.
8. The location and elevation of a temporary benchmark shall be shown on the plans, or if the benchmark is not within the proposed area of work it shall be referenced by number and location and the plans shall also provide a local benchmark.  When practicable, elevations shall be based on the NAVD88 datum.  Alternatively, another datum may be acceptable as the basis of elevations for engineering drawings.
9. Whenever practicable, utilize the Oregon Coordinate Reference System – PDX zone (OCRS-PDX) international feet as the coordinate base for projects.  Alternatively, another geodetic plane system may be acceptable as the basis for engineering drawings.
10. Plans shall have a vicinity map showing the location of the project, surrounding roadways, nearby driveways, and major intersections. The stamp and signature of the Engineer responsible for preparation of the plans shall be on all sheets. 
11. Plans shall include a topographic survey of existing conditions. The stamp and signature of the Surveyor responsible for preparation of the existing topographic conditions shall appear on the existing conditions plan.  The Engineer's stamp is not required on the existing conditions plan.
12. Detail sheets shall show all Standard Drawings and special drawings needed for the project.  Oregon Standard Drawings, as applicable, should be incorporated into the plans.
13. Detail sheets shall be submitted for all ADA accessibility features including blended transitions, curb ramps, crosswalks, medians/traffic islands, sidewalks/paths, pedestrian push buttons and clear spaces.  The detail sheets shall contain the level of detail similar to that found in ODOT Standard Detail DET1720.
14. Plans shall include existing and proposed locations of utility poles, pedestals, vaults, fire hydrants, signs, mailboxes, fencing, and any other structures within the right-of-way. 
15. General notes shall be shown together on one page, preferably the first sheet in the set.  The County's standard general notes are provided in Standard Drawings N100-N300.
16. Plans shall include any additional information the County deems necessary.

140.1.1 Plan View Sheets

Plan views shall contain the following items (as applicable).  Plan and profile views shall include the items below, extending 200 feet from project boundaries adjacent to and beyond the proposed improvement:

1. Plan and profile views may be stacked one above the other if desired.  Plan horizontal scale shall match the profile horizontal scale.
2. Right-of-way, property lines, right-of-way centerline, and existing and proposed easements.  The plans shall identify any offset crowns from centerline of the right-of-way.
3. Construction shall not occur within two feet of adjacent property lines unless approved by the County.
4. Right-of-way centerline stationing of existing and proposed roadways.  Stations shall be based on existing stationing if available.  Show stationing for centerline-centerline of intersections.
5. Subdivision name, approved roadway names, subject property tax lot numbers and adjacent property tax lot numbers.
6. Existing utilities and structures, including hydrants, pedestals, signs (public and private), mailboxes, light poles, structures, manholes, drainage structures, valves, meter boxes, power poles, fences, curb ramps, pavement markings, trees, etc.
7. On both sides of the street across the property frontage and within 200 feet of each property line include the edge of pavement, shoulders, curb, sidewalk, ditch line, culverts and existing driveways.
8. Horizontal alignment and curve data for roadway centerline and non-parallel curb lines.  Curve data shall include radius, length, and delta.
9. Curve data (radius, length, and delta angle) for all curb returns, with gutter elevations at the P.T., P.C., and quarter deltas.  Top of curb elevations may be shown.  Show the location of existing and proposed survey monument boxes per Section 150.3.
10. Minimum stationing callouts at 100 foot increments, with tick marks at 50 foot increments.
11. Location, station, and size of all existing and proposed storm drains, sanitary sewers and water systems.  Stationing shall be based on roadway stationing, except where specifically required otherwise by sewer or water district.
12. Grading plans shall show existing and proposed contours, and high and low points.  Contours shall be at a maximum two (2) foot interval. 
13. Placement, elevations, dimensions and slopes shall be shown for ADA accessibility features in accordance with Oregon Standard Drawings and ODOT Standard Detail DET1720.   
14. Location and description of existing and proposed survey monuments.
15. Typical sections of all roadway sections and drainage channel sections.
16. Pavement restoration considering the impacts of each utility associated with the development.  The location of the saw cut line. Pavement restoration and saw cut line location shall be based upon Standard Drawings U270 through U290.
17. Pavement tapers as defined in Section 250.6.4.
18. Signing and pavement marking plan as necessary per Sections 270 and 280.

140.1.2 Profile View 

Profile views shall contain the following items (as applicable):

1. Stationing, elevations, vertical curve data and slopes for proposed roadway centerline.  Existing centerline elevations shall be shown.  Estimate and label existing vertical curve data. 
2. Gutter elevations shall be shown when gutter slope does not parallel the centerline profile.
3. Where super elevation is employed, both curbs shall be profiled.  As an alternative, a super elevation diagram or table may be acceptable.
4. Existing ground line at proposed roadway centerline. Existing ground line shall extend a minimum of 200 feet beyond the proposed improvement.
5. All existing and proposed storm drains, sanitary sewers, and water systems.  Include pipe size, material, length, slope, manholes, inlets, invert and rim elevations, and outfalls.
6. All existing and proposed storm, sanitary, and water lines, and utility crossings.
7. Existing and proposed flowlines of ditches and drainage ways.  Flowlines shall extend a minimum of 200 feet beyond the proposed improvement or to the nearest acceptable outfall.

140.1.3 Half Street/Cross Section Views 

Half street/cross section views shall contain the following items (as applicable):

1. Half street design shall include the information required in Sections 140.1.1, 140.1.2 and 225.6.
2. Half street designs require full street cross sections at 25 feet on center extending 200' beyond the property lines and across the frontage.  The cross slopes shall be labeled with the stationing, and indicate the existing cross slope beyond the centerline to the opposite edge of pavement, the pavement width, elevations at centerline, crown, saw cut line, and gutter line or existing edge of pavement.     The maximum allowed grade break within the transition between existing and proposed cross slopes is 2.
3. Additional cross sections may be required by the County when warranted by the complexity of the road design.

140.1.4 Stormwater Report & Drainage Calculations

1. All stormwater reports and drainage calculations shall be stamped and signed by an Engineer.  Complete calculations shall contain, at a minimum, the following:
2. Map of the drainage basin showing areas contributing to each inlet.
3. Design assumptions and parameters.
4. Nomographs and charts used to determine time of concentration and rainfall intensity.
5. Calculations for conveyance systems, water quality facilities and detention facilities as applicable.
6. Downstream analysis as applicable.
7. Provide an executive summary that references the design elements included in the report.
8. For full criteria and requirements for drainage, see Chapter 4 of these Standards.

140.1.5 Other Requirements

Design elements and assumptions used for roadway design shall be included on the plans or submitted in memorandum form to the County.  The following information shall be provided, as required:

1. Geotechnical or Soils report (see Section 252 for requirements).
2. Pavement design.
3. Structural plans and calculations shall be submitted for all proposed structures that are not under the purview of the Building Codes Division.  Comply with the requirements of Chapter 5 of these Standards. 
4. Other required technical data and reports including traffic engineering analysis, etc.
5. Environmental reports and permits as required by law. 
    

140.1.6 Other Reviewing Agencies

The design and construction of public and private improvements within the County may involve numerous federal, state and local agencies, utility districts, and private utilities.  It shall be the applicant's responsibility to coordinate the design, permit process, and construction with the applicable agencies, districts, and private utilities. 

140.1.7 As-Built Plans

The applicant shall be responsible for providing as constructed drawings for all improvements including all construction changes, added and deleted items, location of utilities, etc.  The as-built plans shall be submitted to the County at the time of initial paving or prior to building occupancy, and shall include at a minimum, the following.

1. As-built plans shall include and address the requirements of Section 140. 
2. As-built plans shall include field survey data by a Land Surveyor that provides the actual invert and rim elevations of all sanitary and storm sewer systems within the project.
3. As-built elevations that vary from plan elevations shall be shown on the plan by striking a line through the plan elevation and listing the field verified elevation adjacent to the plan elevation.  Elevations shall be as-built at a tolerance of 0.05± feet.
4. Applicant shall submit one set of as-built plans stamped and signed by an Engineer.  The as-built plans shall include the entire approved plan set.  As-built plans shall be submitted as dwg and pdf format via one of the methods of Section 130.3.2.   

140.2 Entrance, Utility and Right-of-Way Permit Submittals

Comply with individual permit requirements found at Transportation Engineering.