HomeMy WebLinkAboutHamilton County Surveyor's Office Review Letter
June 8, 2015
American Structurepoint, Inc.
ATTN: Austin Tracey
7260 Shadeland Station
Indianapolis, IN 46256
VIA E-MAIL: ATracey@structurepoint.com
RE: 146th Street and Gray Road – GetGo Gas Station
Dear Mr. Tracey:
We have reviewed the primary plat and construction plans submitted to the Hamilton County
Surveyor’s Office on May 29, 2015, for this project and have the following comments:
1. The proposed project falls in the incorporated area and MS4 jurisdiction of the City of
Carmel.
2. The proposed project DOES fall in a Carmel Wellhead Protection Zone (5 year TOT).
3. The proposed project is located in the U.G. Mitchner Regulated Drain Watershed, has
a portion of the U.G. Mitchner Regulated Drain, and has an unregulated tributary of
the U.G. Mitchner Regulated Drain running within the boundaries of the parcel for
this proposed project.
4. Please submit an outlet permit for the direct discharge to the U.G. Mitchner
Regulated Drain. The application is available at Surveyor's Form Page.
5. Hamilton County Ordinance 4-26-99-C #2b requires storm sewers to extend to
regulated drains. Please either extend the storm sewer or open channel improvements
all the way to the U.G. Mitchner Drain.
6. The proposed pond drainage basin seems larger then what can physically be captured
in the pond, thereby making the proposed allowable release rates higher than they
should be. Please remove the 146ht Street ROW (as it has its own system) and any
areas that will direct discharge to the U.G. Mitchner Drain, to come up with a smaller
basin size and more accurate allowable release rates for this site.
7. Hamilton County Surveyor’s Office has no concerns with the primary plat or use
variance request.
8. Please submitted revised construction plans/drainage calculations once all TAC
comments are addressed.
Should you have any questions, I can be reached at 317-776-8495.
Sincerely,
Greg Hoyes, AC, CFM, CPESC
Plan Reviewer
CC: Angie Conn – Carmel DOCS
John Thomas – Carmel Engineering
Dave Barnes – Carmel Engineering
Greg Ilko – Crossroad Engineers
Jim Shinaver – Nelson & Frankenberger