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Selectmen approve $50,000 contract to update stormwater GIS mapping, prioritize 5-Mile River watershed
Summary
The board approved a not-to-exceed $50,000 contract with Ty and Bond to digitize catch basins, manholes and pipe flow directions, and to perform field mapping (up to 25 six-hour days) prioritized to the 5-Mile River watershed to support MS4 reporting and future planning.
The Board of Selectmen on April 7 authorized a contract with Ty and Bond to update and enrich New Canaan’s stormwater GIS database, with an emphasis on the 5-Mile River watershed where the town has the most missing data.
Maria (S6) presented the proposal: Ty and Bond will digitize catch basins and manholes from aerial imagery, add flow-direction arrows for drainage lines, integrate recent state DOT drainage updates, and conduct field days (up to 25 six-hour days) to collect rim elevations, pipe…
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