Typical Asphalt Pavement Details at Curb and Gutter Installation - RC-240-1

Oct 28, 2026

This technical document provides standardized construction specifications for asphalt pavement installations adjacent to curbs and gutters, including requirements for the City of Bellevue. It details the composition of pavement layers, specifying a 2-inch HMA Class 1/2 PG 64-22 wearing course overlying two 4-inch lifts of HMA Class 1/2 or Class 1 PG 64-22 base layers. The document outlines essential structural requirements such as 4-inch compacted CSBC and CSTC layers, specific sidewalk dimensions, and mandatory installation methods. Key engineering notes emphasize that compaction must be performed exclusively by rollers rather than plate compactors to ensure structural integrity. Furthermore, it addresses alternative configurations for installations adjacent to planter strips or NDP features, providing the necessary cross-sectional dimensions for these civil engineering applications. The specifications ensure consistent pavement quality and long-term durability in municipal infrastructure projects.

LanguageEnglish

CategoryGeneral

FormatPDF

Pages1

Reading Time2 min

AccessFree to download

Pavement and Gutter Installation Specifications

Standard Pavement Details

Alternative Pavement Configurations

Construction Notes

FAQs

What type of compaction is required for the asphalt installation?

No plate compaction is allowed; all compaction must be performed by a roller only.

What are the asphalt pavement composition requirements?

The pavement consists of a 2-inch HMA Class 1/2 PG 64-22 wearing course over two 4-inch lifts of HMA Class 1/2 or Class 1 PG 64-22.

Can the width of the sawcut be modified during installation?

Yes, the width of the sawcut from the gutter line or curb face may be increased at the discretion of the project engineer.

Oct 28, 2026

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