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Portland Bureau of Transportation

We keep Portland moving

Phone: 503-823-5185

Fax: 503-823-7576

1120 SW Fifth Ave, Suite 800, Portland, OR 97204

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Part 00600 - Bases

Part 00600
Bases
Section Description Effective Date
00620 Cold Plan Pavement Removal 08-16-10
00640 Aggregate Base and Shoulders 12-28-11
00646 Recycled Concrete and Asphalt Products 08-16-10
00680 Stockpiled Aggregates 08-16-10

 

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Heartbleed Security Notice

A serious security vulnerability known as "Heartbleed" was recently discovered in OpenSSL, a popular software library commonly used by many websites on the internet to encrypt communication between a user's computer and a web server.

PortlandOregon.gov is NOT affected by this vulnerability as it does not use the OpenSSL software library. Please rest assured we are dedicated to protecting your security on this website.