212Obliterate Roadway

212.01 Description

Obliterate roadway includes removal of the existing roadway and related items, rehabilitating the abandoned roadway area by scarifying and shaping, and re-vegetation.

212.02 Reserved

212.03 Construction Requirements

Grade and contour abandoned roadways to blend with the new roadway or existing terrain. If not specified in the contract, dispose of the existing bituminous materials in conformance with applicable laws, rules, regulations, and the Montana Solid Waste Management Act. After the old roadway surfacing is removed, salvage the topsoil from areas to be graded and perform the rough grading. Grade and contour the obliterated roadway to blend with the new roadway and adjacent terrain. Re-vegetate the disturbed areas in accordance with Section 610. Work construction scars, sharp breaks, and steep slopes or cuts to blend with the terrain. Existing aggregate surfacing material may be used to construct fills when covered with 12 inches (305 mm) of soil capable of supporting plant growth. Existing bituminous materials used for embankment of the new roadway must conform to the requirements of Subsection 202.03.3 . Remove and dispose of bituminous materials, old structures, guardrail, and other non- salvageable items not included in other contract items for removal at Contractor expense. Remove and neatly store all material designated as salvageable to prevent damage. The species of seed, seed bed preparation, fertilizing, mulching, and application rate is specified in the contract.

212.04 Method of Measurement

Obliterate roadway is measured in stations along the centerline of the roadway obliterated. Topsoil is measured in accordance with Subsection 203.04 . Re-vegetation is measured in accordance with Section 610.

212.05 Basis of Payment

Payment for the completed and accepted quantities is made under the following: Pay Item Pay Unit Obliterate Roadway Station Material obtained from the obliterated roadway and used in the construction of the new roadway is measured and paid for as unclassified excavation in accordance with Section 203.