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ID: 540705

Rumble Strip Upgrades at Various Locations in Cobb Project, Atlanta GA

Wayne County

Owner Reference: 0017093

06/19/2020
Past bid date

Trades: General Engineering Contractor

Licenses: A

Rumble Strip Upgrades at Various Locations in Cobb, Douglas and Fulton Counties. “Low Shoulder” (W8-9) signs shall be erected when a difference in elevation less than four (< 4’) feet from the traveled way, exceeds one inch (> 1”) but does not exceed three inches (≤3”) between the travel lane and any type of shoulder. The spacing of the signs shall not exceed one (1) mile and the signs shall be placed immediately past each crossroad intersection. The “Low” signs shall remain in place until the difference in elevation is eliminated and the shoulder has been dressed and permanently grassed for a minimum of thirty (30) calendar days. These signs shall be furnished, installed, maintained and removed by the Contractor as part of Traffic Control-Lump Sum. These signs shall be fluorescent orange with black borders. “Shoulder Drop-Off” (W8-17) signs shall be used when a difference in elevation, less than four feet (< 4’) from the traveled way, exceeds three inches (> 3”) and is not protected by positive barrier protection. These warning signs shall be placed in advance of the drop-off. The spacing of the signs shall not exceed one (1) mile and the signs shall be placed immediately past each crossroad intersection. The “Shoulder Drop-Off” signs shall remain in place until the difference in elevation is eliminated and the shoulder has been dressed and permanently grassed for a minimum of thirty (30) calendar days. These signs shall be furnished, installed, maintained, and removed by the Contractor as part of Traffic Control-Lump Sum. These signs shall be black borders on fluorescent orange background. A bump sign (W8-1) shall be utilized when a transverse joint in the pavement structure has a vertical difference in elevation of three quarters (≥ 3/4”) of an inch or greater in depth with no horizontal taper to ramp the traffic from one elevation to the other. This condition typically occurs at approach slabs during pavement milling operations and at transverse joints in asphaltic pavement lifts. Other conditions include utility and storm drainage repairs that require concrete placement for patching and/or steel plating. This project encouraged MBE/WBE participation.

Timothy Swink
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CALL 010Documents.pdf
Published 05/26/2020 on Construction Bid Source
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