477MILLED RUMBLE STRIPS

DESCRIPTION

477.20: General

The work consists of constructing rumble strips on paved highway shoulders by milling grooves into finished hot mix asphalt surfaces. Milled Rumble Strips are categorized as Type A, Type B, or Type C. Type A are rectangular milled grooves at regular inter vals in the paved surface, Type B rumble strips are rectangular grooves at regular intervals with designed gaps between intervals to accommodate bicyclists and Type C rumble strips form continuous grooves in the paved surface in the form of a vertical sinusoidal wave pattern. CONSTRUCTION METHODS

477.61: Equipment

The equipment shall self -align with the slope of the roadway surface and/or any irregularities in the roadway surface. The Contractor shall demonstrate to the Engineer the ability to achieve the desired groove without tearing or snagging the roadway surface prior to beginning the work.

477.62: Installation of Rumble Strips

Rumble strips shall be installed in accordance with the locations, dimensions, and Type shown on the plans.

477.63: Control of the Work Area

At the end of each working day, all equipment shall be moved to a location where it does not present a hazard to traffic. The pavement shall be cleaned by sweeping and the work area shall be reopened to traffic. Pavement millings shall become the property of the Contractor and shall be removed and disposed of off -site. COMPENSATION

477.80: Method of Measurement

Milled Rumble Strip (Type A) and Milled Rumble Strip (Type C) will be measured by the total length of installed rumble strip. Milled Rumble Strip (Type B) will be measured by the total length of II.264 202 4 Edition installed rumble strip excluding the designed gaps. Breaks at castings, bridge decks, intersections or other breaks will not be measured for payment for all types.

477.81: Basis of Payment

Payment for Milled Rumble Strip (Type A), Milled Rumble Strip (Type B), and Milled Rumble Strip (Type C) will be made at the contract unit price per foot of rumble strips, complete in place. Such payment will be full compensation for furnishing all equipme nt and labor for satisfactorily performing the work including cleanup and disposal of excess materials.

477.82: Payment Items

477. Milled Rumble Strip (Type A) ................................................................................. Foot

477.1Milled Rumble Strip (Type B) ................................................................................. Foot

477.2Milled Rumble Strip (Type C) ................................................................................. Foot

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