HomeMy WebLinkAboutRome Hill Commercial_ENG Comments 3_240418DRC COMMENTS #3:
Project is required to provide roadway grades and cross section details regarding the fire access way that is proposed for the project.
The projects site plan does not show the above ground basin and is required to be revised. As an additional note, the site plan is also included in the WQMP and needs to be revised with
the original.
Will the project be providing CC&Rs for the site? If so, please provide in the next submittal.
Project is required to provide a standalone semi-truck turn radius plan for the project. The current site plan shown is hard to follow and the interior portions appear to show no turning
radius near the truck loading docks.
Provide the access easement record for the fire access road to the project from the adjacent site. If not completed, one is required to be as a part of the project approval.
Project is required to provide a letter of grading acceptance at time of grading plan check from the adjacent property that is proposed to construct the fire access road. The condition
will be provided in the conditions of approval.
The following issues with the grading plan are required to be addressed in the next submittal:
The pink/bass shading on the grading plan removes the existing contours and they are required to be included for a proper review.
The lot is missing elevations that are typical such as elevations for curbs, flow lines, invert elevations, etc.
The grading plan is required to provide information for the benchmark used, this is critical information for the area in the FEMA flood plain.
The fill for the areas of the lot within the floodplain cannot be from an outside source per the LEMC. Where is the proposed ~26,000 CY fill coming from?
It is recommended that the project stay within the 500-year flood plain, if possible.
Project is required to provide a drainage easement for the property receiving water from the project lot.
Project is required to provide cross section details and the sizing calculation work sheet from the LID BMP Handbook for the infiltration basin proposed for the existing lot.
The hydrology study provided should also include the following:
A design criteria section for the report
Include a table with Qs results on the unit hydrograph and rational method maps
The L for the unit hydrograph map in the proposed condition its illegible and requires darkening.
Existing condition discussion and proposed condition discussion including proposed buildings, impervious area, stormwater systems, water quality systems, etc.
Existing and proposed condition hydrology rational method results. Rational method should be used per the Riverside Hydrology Manual for smaller watersheds less than ~300 acres versus
the unit hydrograph
A section discussing the floodplain and relation to the project site
A FEMA Flood Insurance Rate Map
A section discussing the basin routing and use of the unit hydrograph for this purpose
Ensure the upstream watershed is captured in the hydrology maps
Hydraulics section and calculations
Provide a copy of the sewer line easement that runs through the center of the property.
Has the project reviewed how the building loading will affect the existing sewer easement shown on the grading plans?
Who is the owner of said sewer easement and have they reviewed this project?
There should be at minimum a 10’ building buffer from existing easements on the lot, if not greater based upon easement documentation or sewer owner requirements.
(Comment still applies) Project lies within the FEMA Special Flood Hazard Area with flood base elevation of 1266 ft and within the Floodplain Management area.
Meet all requirements of LEMC 15.64 regarding flood damage prevention. Finish floor elevation of all buildings shall be a minimum of three (3) feet above the base flood elevation.
Meet all requirements of LEMC 15.68 regarding floodplain management and LEMC 15.64 regarding flood damage prevention. No import of fill material will be allowed without first complying
with all applicable Federal and State laws, rules and regulations. Finish floor elevation of all buildings shall be a minimum of three (3) feet above the base flood elevation.
Any fill placed 100-yr floodplain for purposes of elevation the building flood out of the floodplain shall require CLOMR and LOMR to be processed with FEMA.
Coordination with the Riverside County Flood Control District and/or ACOE will be required for work done in the back basin area if any development impacts the back basin storage volume.
Additional comments will follow upon additional or new information provided.