| Review Type |
Outcome |
Est. Completion Date |
Completed |
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Record Drawings Review
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No Comments
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05/16/2023
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05/17/2023
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Sue Pyles, P.E.
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DE Contact Field Eng. Inspector
Corrective Action Required
The plans show encasement and MH adjustments to existing sanitary sewers owned by KCMO. Written documentation of concurrence of KCMO, as well as inclusion of any information in this plan set that they request, will be required prior to approval of this plan set.
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Record Drawings Review
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Corrections
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03/31/2023
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04/10/2023
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Sue Pyles, P.E.
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Engineering Review
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Approved with Conditions
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09/27/2018
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09/28/2018
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Sue Pyles, P.E.
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Corrective Action Required
The plans show encasement and MH adjustments to existing sanitary sewers owned by KCMO. Written documentation of concurrence of KCMO, as well as inclusion of any information in this plan set that they request, will be required prior to approval of this plan set.
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Corrective Action Required
A Floodplain Development Permit is required to allow grading in the floodplain prior to approval of this plan set.
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DE Contact Field Eng. Inspector
Corrective Action Required
Contact the Field Engineering Inspector at (816) 969-1200 at least 48 hours prior to the onset of construction.
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DE Engineers Estimate
Corrective Action Required
The Engineer’s Estimate of Probable Construction Costs has been accepted for this project, and the Engineering Plan Review and Inspection Fee (which is calculated as 3% of the total infrastructure cost, $70,644.31, must be paid prior to the issuance of an infrastructure permit and/or the final processing of a building permit.
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Corrective Action Required
No work may be done in the floodway prior to an approved FEMA CLOMR.
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Engineering Review
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Corrections
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09/06/2018
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09/06/2018
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Sue Pyles, P.E.
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Corrective Action Required
Verify that the shear stresses at the east discharge points will not cause erosion or channelization as flow leaves the site.
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Corrective Action Required
Specify TRM requirements in plan set.
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Corrective Action Required
The plans show encasement and MH adjustments to existing sanitary sewers owned by both KCMO and Little Blue Valley Sewer District. Written documentation of concurrence of those owners, as well as inclusion of any information in this plan set that they request, will be required prior to approval of this plan set. Written approval for the location of proposed structure 1201 is also required.
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Corrective Action Required
Estimate:
• Break down riprap into the different applications. Placement of riprap at an end section is different than placement of riprap around a streambed-bottom stilling basin which is different than the placement of a complete riprap lined stilling basin.
• Revise the Item 14 & 15 Description to Junction Box
• The quantity for Item 30 appears to be in error. Verify and revise as needed.
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Engineering Review
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Corrections
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08/28/2018
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08/24/2018
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Sue Pyles, P.E.
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Corrective Action Required
Sheet 1:
• Add KCMO sanitary sewers contact information in the Utility Contacts list.
• Add Sheet 8 to the Index of Sheets.
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Corrective Action Required
Sheet 6:
• There is a gap in the proposed contours just west of Structure #302. Please revise on this sheet and throughout the plan set.
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Corrective Action Required
Sheet 8:
• Please clarify what the extra tick mark and “5” are at the west end of the Line 300 Channel centerline in Plan view.
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Corrective Action Required
Sheet 9:
• Include ownership in the labels for all existing sanitary sewer.
• Sanitary Note S8 calls out a MH adjustment and “S8” is shown in the Plan view. I can’t see any sanitary MH or line. Please revise to show the existing sanitary sewer referenced.
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Corrective Action Required
Sheet 10:
• The width of riprap protection at the beginning of the stream realignment is provided in Section A-A on this sheet. Please provide length and stationing, or some other method to locate, to allow proper placement during construction.
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Corrective Action Required
Sheet 11:
• The existing sanitary sewer meter structure appears to be incorrectly located. From aerials, the structure seems to be located where the Existing 42” LBV interceptor connects to the 84” interceptor. If this is the structure being referred to, please revise all callouts in the plan set. If this refers to something else, please provide additional information.
• There is a dimension line in Section H-H directly below the 8’ dimension which seems extra. Please revise accordingly.
• Section F-F refers to 12” to be placed in Line 500. Please see related comment under Sheet 13.
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Corrective Action Required
Sheet 13:
• Label the existing grade line in each Profile view.
• Line 500 is filled with 12” of streambed material. Provide details regarding how that material is placed. In addition, make clear that the pipe is embedded into the ground with the flowline being the top of the 12” fill. Refer to the sheet containing this information in Profile view if on another sheet.
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Corrective Action Required
Sheet 15:
• The HGL(allowable) calculation appears to be top elevation of structure – 1.33 feet (the distance between the opening and the top of structure for a curb inlet). According to APWA Section 5604.4, the HGL must be a minimum of 0.5’ below the opening elevation (top elev – 1.33 – 0.5 for a curb inlet). Please revise.
• If possible, please enlarge the calculations. They are difficult to read.
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Corrective Action Required
Sheet 23:
• Revise the General Notes to match the notes in the City’s standard details.
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Corrective Action Required
General:
• The plans show encasement and MH adjustments to existing sanitary sewers owned by both KCMO and Little Blue Valley Sewer District. Written documentation of concurrence of those owners, as well as inclusion of any information in this plan set that they request, will be required prior to approval of this plan set. Written approval for the location of proposed structure 1201 is also required.
• Drainage discharges to the east onto the adjacent property in 3 locations. Those locations will require private easements allowing this discharge. The executed easements will be required prior to the approval of these plans.
• Please coordinate the design of the street and the design of the storm structures on this project. Review of the future street plans could require adjustments to the inlets
• Several storm sewer structures being constructed with this project will be a part of the street system once the streets are constructed. Please be aware that review of future street plans may result in adjustments to those structures.
• Add inlet calculations to the plan set.
• Submit an Engineer’s Estimate of Probable Construction Costs
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Engineering Review
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Corrections
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06/22/2018
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06/21/2018
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Sue Pyles, P.E.
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Corrective Action Required
Some comments in this review are general in nature. A more in-depth review of the plan set will be completed once additional information is provided.
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Corrective Action Required
The following reports are required:
a. Stream Assessment – Required for the unnamed tributary realignment for the RCB construction as well as the Little Blue River for the crossings.
b. Final Stormwater Study - As previously indicated, Water Quality, the 40-hour extended detention of the 90% mean annual event, or BMPs in lieu of 40-hour extended detention (i.e., volumetric controls), has not been provided. This requirement cannot be waived. Please note that Lee’s Summit does not use Level of Service calculations, only volumetric controls.
c. Culvert Analysis – For drainage thru the RCB.
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Corrective Action Required
The following additional information is required on the plans:
a. Include an additional sheet that clearly shows she stream buffer limits, ordinary high water mark, existing floodway, and proposed floodway (per proposed CLOMR) as the focal points of the sheet with other features scaled back.
b. Label all existing sanitary sewers in the same manner as the Little Blue Valley Sewer District sewers.
c. Show and label the limits of the stream buffer throughout the plan set.
d. Clearly indicate what portion of the proposed storm sewer will be temporary (i.e., 703A).
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Corrective Action Required
General Sanitary Sewer Comments:
a. The plans show encasement and MH adjustments to existing sanitary sewers owned by both KCMO and Little Blue Valley Sewer District. Written documentation of concurrence of those owners, as well as inclusion of any information into this plan set that they request, will be required prior to approval of this plan set. If the KCMO review contact provided, Kevin Rohner, will not be reviewing the sanitary as well as the site work, please provide contact info for the sanitary reviewer.
b. Structure 1201 seems to be directly over the existing 42” sanitary sewer. Please revise.
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Corrective Action Required
General Storm Sewer Comments:
a. Placement of fill in Line 500 is shown on the plans. What is the purpose of this fill, what material will be used, how is it to be placed? Provide additional information.
b. The storm sewer enlargements include notes to replace existing streambed. I don’t see any information indicating the depth of streambed to be replaced or the method/material with which to do so. Please provide additional information.
c. Existing flow offsite to the east is currently sheet flow, but the proposed drainage is shown leaving the property via pipe discharge at 3 points. No information about how the energy from this discharge will be dissipated, or if the adjacent property owner is in agreement with this design, has been provided. Please provide additional information.
d. The USACE regional condition 1 for all Nation Wide Permits requires allowance of “safe passage of fish and other small aquatic organisms” for all culverts greater than 48”. Please address how this requirement is being met.
e. The plans call for drainage gates on Structures 700 & 1200. Please provide additional information regarding the reasoning for these drainage gates and how they will function.
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Corrective Action Required
General RCB Comments:
a. Will the RCB be cast-in-place or precast?
b. Indicate the design load used.
c. Include complete construction details for construction of the RCB within the plan set.
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Corrective Action Required
A cursory review of the individual plan sheets has been completed. These comments follow:
• Sheet 1: Revise the “Mass Grading Plans” to “Storm Sewer Improvements and Mass Grading” in the Project Title and in the title block on all plan sheets.
• Sheet 3: Update the FEMA FIRM information.
• Sheet 8: More clearly show and label the beginning and end of each section in Plan view, not just Profile, for the Line 300 Channel.
• Sheet 9: The Str 100 label indicates Riprap but none is shown in Plan view or elsewhere in the plan set. Please reconcile.
• Sheet 9: The Str 700 label indicates Riprap Basin but none is shown in Plan view or elsewhere in the plan set. Please reconcile.
• Sheets 10-12: The proposed contours do not tie back into existing contours in many instances on these sheets. In addition, it appears that many of the transitions from existing to proposed contours are very unrealistic (i.e., 90 degree bends). Please revise.
• Sheet 13: Please show proposed riprap in Profile views.
• Sheet 13: Show the sanitary sewer crossing in the Line 1200 Profile.
• Sheet 14: Show the same information for each drainage area for consistency.
• Sheet 15: The calculations for HGL (allowable) in the Drainage Calculation Table appear to be incorrect. The allowable HGL must be 0.5 feet below any openings to the ground or street. For a curb inlet, the opening to the ground or street is 1.33 feet below the top of the structure.
• Sheet 16: Provide documentation that encasement of the existing sanitary sewer is acceptable to the owner of the sewer and that the Cage Reinforced Concrete Encasement standard detail included in the plan set is acceptable.
• Sheet 17: Remove the APWA MH detail, no MHs are included.
• Sheet 23: Current Lee’s Summit standard details are required for all storm structures.
• Sheets 24-29: Verify BMP Plan Reference #3 and #4, they appear to be used interchangeably.
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