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LARIMER COUNTY RURAL AREA ROAD STANDARDS

LARIMER COUNTY RURAL AREA ROAD STANDARDS

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Appendix D – Construction StandardsSection D.2 Revisions to CDOT Standards Specifications for Road and Bridge ConstructionD.2.13 Revision of Section 601 – Structural ConcreteREVISION OF SECTION 601STRUCTURAL CONCRETEIn Subsection 601.14 Delete the third paragraph and replace with the following:Structural Concrete Coating shall be the final finish for all exposed concrete surfaces on concrete boxculverts, bridges, headwalls and similar structures unless approved otherwise by the Engineer.D.2.14 Revision of Section 609 – Curb and GutterREVISION OF SECTION 609CURB AND GUTTERDelete Subsection 609.01 and replace with the following:609.01 This work consists of the construction of curb, gutter, combination curb and gutter, orcombination curb, gutter and sidewalk in accordance with these specifications and in conformitywith the lines and grades shown on the plans or established.The types of curb are as designated on the approved plans and in the M-standards.Subsection 609.03 (e) shall include the following:Expansion joint material shall be installed every 500’ and between newly installed concrete andany existing structures including inlets, driveways, fire hydrants, poles, sidewalk under walkculverts, mid block ramps, at radius points at intersections, and other fixed objects. Expansionjoint material shall be set vertical, and have the top edge flush with the finished surface. Thejoint shall be edged with a suitable edging tool.Subsection 609.03 shall include the following:All underground utilities shall be installed prior to the construction of curbs, gutters, combinationcurb and gutter, or combination curb, gutter and sidewalk.The Contractor shall be responsible for taking adequate steps to protect concrete placed duringprecipitous hot or cold weather. Any concrete damaged by precipitation or extremetemperatures shall be removed and replaced.It shall be the Contractor's responsibility to protect, by the use of barricades, signs, etc., freshconcrete from damage as a result of vandalism or other causes; damaged concrete shall berepaired or removed and replaced.Larimer County Rural Area Road Standards Page D-19October 22, 2007

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