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GreenTools – Powered by the Solid Waste Division GreenTools for Construction & Demolition Diversion/Recycling

Construction & Demolition Recycling


King County recently issued new requirements for recycling C&D materials:


Readily recyclable materials from construction and demolition projects are required to be recycled. The following materials are banned from landfill disposal:

  • Clean wood (clean, untreated, unpainted)
  • Cardboard
  • Metal
  • Gypsum scrap (new)
  • Asphalt paving, bricks, and concrete

Additional information regarding the bans is contained in the King County Solid Waste Division Director’s List (PDF, 75 K) of Readily Recyclable Construction and Demolition (C&D) Materials Banned from Disposal at a Landfill.

Mixed C&D materials and non-recyclable C&D waste generated in King County (outside of the cities of Seattle and Milton) must be sent to designated C&D material recovery facilities or transfer stations.

Additional information:

  • Requirements are detailed under Ordinance 18166 (PDF, 7.2 MB), effective January 1, 2016.
  • Small loads of C&D (in vehicles not equipped with dumping mechanisms) will still be accepted at King County Solid Waste Division transfer stations.
  • Washington State regulations (WAC 173-345-040) require a separate collection container be provided for waste at jobsites that conduct recycling.

Need assistance?

King County GreenTools provides the tools and assistance needed to help you be in compliance with County C&D management regulations and to obtain the highest diversion rates possible on your construction, demolition and deconstruction projects. To learn more about the range of services available and to receive assistance please contact King County's construction recycling program online or by calling 206-477-5272.

Related links and resources for jobsite recycling of C&D:

Designated C&D Processing Facilities and Waste Transfer Stations

Facilities approved for accepting C&D materials generated in King County (outside of Seattle). Link provided to processing facility diversion rates.

Cost–Effectiveness of Jobsite Diversion/Recycling

Calculate the costs and benefits of recycling at your jobsite. Contains the Recycling Economics Worksheet.

Construction and Demolition Recycling

The pros and cons of source separation and commingling of construction and demolition materials.

C&D Definitions

Definitions of key phrases used on this Web site and throughout the construction and demolition recycling industry.

Alternatives to Demolition

An introduction to cost-saving salvage and deconstruction practices and local resources to help you get started.

Design Specifications and Waste Management Plans

Includes information about incorporating diversion/recycling requirements into initial specifications and waste management plans.

Design for Disassembly (DfD)

DfD is a building design process that allows for the easy recovery of products, parts and materials when a building is disassembled or renovated.

Build a Successful Diversion/Recycling Program

Strategies to ensure a successful diversion/recycling program as part of your green building project.

Prevent Jobsite Waste

Learn how to prevent construction waste by planning accordingly, working with suppliers and utilizing reuse and salvage practices.

 

 

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Construction Recycling Directory

Construction Recycling Directory

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Construction Recycling

Learn how to obtain the highest diversion rates possible on your construction, demolition and deconstruction projects.

Updated: Sep. 15, 2016


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