Final Baseline Hydrology Report - October 2012 - Urban Drainage ...

Sanderson Gulch Meeting Minutes July 17, 2012
d. Deficiencies
i. Criteria for road culverts – per Denver and Lakewood manuals
1. In general, Lakewood does not allow overtopping
2. Denver criteria to be verified by Mike Anderson with Denver PW staff.
3. Plan for 100-year capacity.
ii. Criteria for drop structures
1. The 2002 inventory for DCM was more detailed than needed for a master plan
2. Up to 3’ vertical drop allowed
3. Master plan drop height – preliminary design may break into multiple smaller
iii. Bed and bank stabilization
iv. Private property
1. Bit O Sea
2. Tree Farm – Use water for irrigation (no detention in pond)
3. North Sanderson Pierce to Wadsworth (City cleans sediment)
v. Trail connectivity
vi. Parks - vegetation establishment, etc.
e. Alternatives
i. Bank stabilization approaches
ii. Grade control
iii. Water quality
iv. Outfall alternatives
v. Mississippi Gulch alternatives
vi. North Sanderson alternatives
vii. Jewell reach alternatives
viii. Maintenance responsibilities
6. Action Items:
a. Matrix to set first meeting on Hydrology in 4 weeks
b. Matrix to set up website
c. Matrix to review new updated DFHAD Guidelines
d. Matrix to check the map labeling of Clairefield Reservoir
e. Matrix to distribute the basin map electronically
f. Matrix/Denver to check if all CCD Parks data is available in GIS
g. Matrix/Denver to set a van tour – extend the tour into Lakewood
h. Lakewood/Denver to get contact info for ditch companies
i. Lakewood to check on easements along private sections of the gulch
j. Denver to ask their bridge group if any bridges have structural issues
k. Denver to confirm desired capacity for street crossings.
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