| Review Type |
Outcome |
Est. Completion Date |
Completed |
|
Record Drawings Review
|
No Comments
|
08/31/2023
|
08/31/2023
|
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|
Gene Williams, P.E.
|
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Redesign Review
|
Approved with Conditions
|
12/30/2021
|
12/29/2021
|
|
|
Mike Weisenborn
|
|
|
This review was performed by Amanda Bagwell in Water Utilites as it dealt with approval of an alternate design for stream crossing.
|
|
Engineering Review
|
No Comments
|
10/29/2021
|
10/28/2021
|
|
|
Gene Williams, P.E.
|
|
|
|
|
Engineering Review
|
No Comments
|
09/03/2021
|
09/02/2021
|
|
|
Gene Williams, P.E.
|
|
|
|
|
Engineering Review
|
Corrections
|
08/02/2021
|
08/02/2021
|
|
|
Gene Williams, P.E.
|
|
|
Corrective Action Required
Railroad concurrence shall be required prior to installation of the railroad crossing. For purposes of approval, the railroad portion is acceptable to the City, and it is recommended this portion of the plans be submitted to the railroad.
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Corrective Action Required
Is a USACE permit being acquired for the project? Is it required? If so, a copy of the permit shall be submitted prior to approval.
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Corrective Action Required
Floodwater Elevation: tops of manholes shall extend a minimum 1'-0" above the calculated 100-year floodwater elevation, provided that such extension shall not exceed 4 feet above final finish grade. Where these requirements result in a manhole with a rim at or below the 100-year floodwater elevation, the manhole shall be equipped with watertight ring and bolt-downcover assembly with neoprene gaskets.
It appears some of the manholes are extended as high as desired by Water Utilities, but are below the 100 year water surface elevation, or do not extend the minimum distance of 1.0 feet. This would include manholes 56-006, 007, 008, 009, 010, and 011.
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Corrective Action Required
Anywhere ductile iron pipe is specified, it shall conform to the ductile iron specfications contained within the Design and Construction Manual. Currently, the City only allows zinc-coated ductile iron pipe.
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Corrective Action Required
It is unclear whether the stream channel flowline is being altered in terms of elevation. Is rock liner being installed beneath the existing stream flowline? This will have a direct bearing on the location of the sanitary line in order to achieve minimum depth of cover. If the dashed line represents the existing stream flowline, the depth of cover appears sufficient.
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Corrective Action Required
Manhole 47-069 is shown with insufficient drop across the manhole. A minimum of 0.5 feet is required.
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Corrective Action Required
Are there other manhole rims that do not meet the 1.0 feet of freeboard requirement between the calculated 100 year water surface elevation and the top of the rim? If so, please see previous comment for guidance.
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Corrective Action Required
Recommend evaluating the casing carrier pipe requirement prior to submittal to the railroad. A portion is "x'ed" out, and might generate additional delays by the railroad. The City is ok with the alignment under the railroad, but shall yield to any requirements mandated by them.
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