Fiscal Note
No additional General Obligation Debt is required. There is no anticipated impact upon the tax levy or cost controls. Estimated Cost: $96,680.00 Account #: CS53-54950-810512
Title
Authorizing the Mayor and City Clerk to execute an amendment to the present agreement between The City of Madison and Ayres and Associates, and Amending the 2005 Capital Budget to allow for completion of the Digital Terrain Model Project.
Body
PREAMBLE
In 2002, the City of Madison entered into a contract with Ayres Associates to accurately establish Public Land Survey System corner coordinates using GPS based technology. Approximately 300 corners were located through that contract. The City desires to complete the control survey on approximately 175 additional PLSS corners. When this work has been completed, the City will migrate it's computer based GIS/mapping to the newly established coordinates. The PLSS corner coordinates will be used by City, and private surveyors and will form the framework for the City's mapping efforts well into the future.
Ayres Associates completed the City's digital orthophoto atlas in 1997 and 2000, provided limited updates in 2003, and has performed a considerable amount of related work for the City during that time. Various City departments have used these digital orthophoto atlases extensively. Due to the significant amount of growth in the City, these departments require an updated photo atlas. Ayres Associates is the chosen contractor for a large, multi-county aerial photography project in the southwest Wisconsin area, and as such it is in the City's interest to expedite issuance of this addendum to secure a favorable delivery schedule and take advantage of the economy of scale provided by the larger project. Recent developments in LiDAR technology have made it cost effective for the City to acquire a LiDAR based digital terrain model (DTM), and two-foot contours, of the ground as part of the digital orthophotography...
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