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Council discusses dead-end street standards, hydrants and water main looping for the proposed subdivision
Summary
Commissioners questioned whether a 2% slope requirement and dead-end street standards could be met; staff and the applicant's engineer said meeting the 2% slope would encroach into the floodplain and that the plan includes a looped water main and an added hydrant but will not enlarge the cul-de-sac.
Councilors raised questions about meeting city code for drainage slopes and the requirements for dead-end streets longer than 600 feet. A commissioner asked whether the plan could meet a 2% slope without additional mitigation; the engineer said achieving that slope on this site would require encroaching into the floodplain and causing greater mitigation and negative impacts.
On emergency access, staff described design choices that aim to preserve access without expanding the cul-de-sac. Mr. Childress said the plan splits the entrance to create a semi-separate entrance in case of an accident, loops the water main and adds a fire hydrant; he also noted that the houses will be fire-suppressed. Those design features were presented as mitigations instead of widening the cul-de-sac.
