Explanation
1. BACKGROUND
The City of Columbus, Department of Public Service, Division of Design and Construction currently holds a contract with CTL Engineering, Inc. for materials testing and inspection. This legislation authorizes the Director of Public Service to modify and increase this contract with CTL Engineering, Inc. in the amount of $31,860.00.
Work performed to date on this contract includes Soil classification, asphalt lab support, concrete/asphalt plant mix inspection and preliminary field investigation.
Work to be performed as part of the proposed contract modification includes but is not limited to:
performing batch plant inspections at various Ready-Mixed Concrete and Hot-Mixed Asphalt plants,
provide density data on all construction projects with asphalt pavement layers in compliance with Construction and Materials SpecificationS (CMS) item 416,
supplement the City Laboratory sampling and coring program especially for coring pavement layers greater than 12" in depth,
review and verify concrete and asphalt mixes submitted by suppliers / producers on an annual basis before incorporation in the City approved list.
In addition, CTL Engineering, Inc will support the City in the procurement and establishment of an Asphalt Laboratory that is required as condition of continued funding by other government agencies. The City indicated to Federal Highway Administration during an American Recovery and Reinvestment Act (ARRA) audit of a project that we are taking necessary steps to establish our own Laboratory.
After an ARRA project Audit, it became clear that a main requirement in order to keep funding is to establish our own asphalt laboratory and to retain independent testing lab such as CTL as long as federal or state funding is being utilized in the corresponding City projects.
If this modification is not granted, then most of the tasks listed above will not be performed especially for asphalt pavements (The City lab is not equi...
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