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Street and Sidewalk Pavement Opening and Restoration Rules

SDOT is in the process of updating the Pavement Opening and Restoration Rules (PORR). Some of the key changes to the document are:

  • Enhanced requirements for concrete street restoration
  • Sliding scale restoration requirements based on street condition
  • Additional guidance for restoration of streets under pavement moratoriums
  • Expanded scope to include Green Storm Infrastructure
  • Additional guidance and clearer definition of ADA accessibility requirements, including ADA curb ramps.
  • Shortened timeframes for permanent restoration
  • Additional guidance for restoration of Seattles historic stone block streets
  • Incorporation of existing technical memos that clarified PORR requirements.

Click here for the Draft Director's Rule

Because we are expanding the scope to include elements in the right of way that arent strictly street pavement, we are also changing the name to the Right of Way Opening and Restoration Rules. Please provide comments to Liz Sheldon at Elizabeth.sheldon@seattle.gov prior to September 15th.

Street & Sidewalk Pavement Opening and Restoration SDOT Rule 5-2009

Note: SDOT does not allow construction work during winter holidays in streets or sidewalks located in the Downtown Retail Core and Pioneer Square. Read the Holiday Construction Moratorium Client Assistant Memo # 2107 for more information

The Pavement Opening and Restoration Rule (PORR) is adopted as an interpretation of SMC code Titles 3 and 15.  This Rule is in place to ensure the integrity of both the pavement infrastructure and the features of the surface street right-of-way.

Restoring Green Stormwater Infrastructure (GSI)

The current 5-2009 version of the SDOT Pavement Opening and Restoration Rule (PORR) requires that street segments constructed of permeable concrete shall be restored to their original design and specifications.  This memorandum requires that both sidewalks and street segments that were built to meet GSI need to be restored to their original design and specifications.

Application of Rule to Frontage Improvements

This interpretation of the PORR aims to improve the quality of asphalt patches by specifying dimensions that allow equipment to more uniformly place and compact asphalt.

Retaining Curbs on Full Panel Replacements

SDOT, through the PORR, wishes to preserve the integrity of the concrete panel and a sound, stable curb section. Therefore, the requirement for curb replacement may be waived if certain conditions exist.

Aggregate Backfill Materials, & Quality Assurance Testing

Section 4.1 of the 2004-02 of the SDOT Street and Sidewalk Pavement Opening and Restoration Director’s Rule (PORR) makes Controlled Density Fill (CDF) the standard street backfill.  This interpretation includes a provision for the use of other backfill materials.

Full Lane Asphalt Restoration Waiver on Chip Seal Streets

This interpretation of the PORR aims to improve the quality of asphalt patches by specifying dimensions that allow equipment to more uniformly place and compact asphalt.

 ADA Curb Ramp Installation Requirements

 The current 5-2009 version of the SDOT Pavement Opening and Restoration Rule (PORR) contains an error in Section 8.6.8, which addresses curb ramps. The published language is outdated. In the case of curb ramps, the federal Americans with Disabilities Act (ADA) requirements override any local guidelines. This memorandum corrects the error and describes restoration work that will trigger the installation of new curb ramps.

 

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