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Home My WebLink AboutO&M ManualOPERATIONS AND MAINTENANCE MANUAL North End Phase 2 Carmel, IN 46131 Prepared: January 14, 2025 Prepared by: CrossRoad Engineers, P.C. 115 N 17th Avenue Beech Grove, IN 46107 phone: (317) 780-1555 fax: (317) 780-6525 email: info@crossroadengineers.com 2 TABLE OF CONTENTS BMP OWNER/CONTACT INFORMATION..............................................................3 BMP LOCATION AND DESCRIPTION ...................................................................3 MAINTENANCE AND INSPECTION GUIDELINES ....................................................3 ROUTINE MAINTENANCE ..................................................................................... 3 REMEDIAL MAINTENANCE .................................................................................... 4 BMP INSPECTION ............................................................................................ 5 STATEMENT OF COMPLIANCE ..........................................................................6 APPENDIX A .................................................................................................8 BMP SITE DRAWINGS ........................................................................................ 8 APPENDIX B .................................................................................................9 MAINTENANCE PLAN AND INSPECTION FORMS ............................................................... 9 This document was prepared by Charles D. Mattox, CrossRoad Engineers, P.C., 115 N 17th Ave, Beech Grove, IN 46107. I affirm, under penalty of perjury, that I have taken reasonable care to redact each Social Security number in this document unless required by law. Charles Mattox. 3 BMP Owner/Contact Information Old Town Companies, LLC 31 1st St SW Carmel, IN 46032 Phone: 317-816-3151 Email: justin@oldtowndesigngroup.com The BMP Owner is responsible for all costs associated with the maintenance and inspection of all BMPs as required by the City of Carmel. BMP Location and Description The North End Phase 2 development is located at 300 W Smoky Row Road. The BMP for the development is located offsite at 2911 E Smoky Row Road. The wet detention pond provides water quantity and quality treatment. The detention pond will collect all surface water from impervious areas via a storm sewer system. The detention pond will allow for additional sedimentation to settle out and further reduce the amount of sediment leaving the site. Storm sewer infrastructure including manholes, inlets, and storm sewer pipe convey runoff from the development to the pond. An overall site drawing can be found in Appendix A of this manual. The detention pond will be located in a proposed stormwater easement. Maintenance and Inspection Guidelines Maintenance and inspection as described below is the responsibility of the BMP owner. Any additional procedures deemed necessary by annual City inspections shall be incorporated into these guidelines. Routine Maintenance The owner shall be responsible for the following minimum operations for maintaining the BMPs, in addition to maintaining and updating the BMP Operations and Maintenance Manual per the City of Carmel requirements: Storm Sewer Infrastructure  Remove trash and debris from inlet castings  Remove trash and debris from inside of any storm structures including the RCP drive culverts within the right-of-way  Remove sediment deposits from structures and pipes when accumulated depth reaches 1/4 of pipe diameter  Remove debris from inlet 4 Swales and Ditches  Mow and maintain vegetation to a maximum height of 5 inches  Maintain swales with uniform slopes and unobstructed by buildings and fences  Remove trash and debris from swales  Grade and reseed eroded areas Detention Pond, Pond Outfall, and Emergency Spillway  Remove debris from outlet control structure, pond outfall, and emergency spillway  Inspect outfall and emergency spillway for erosion, regrade, and replace riprap as necessary  Remove floatables via netting  Remove sediment accumulation from permanent pool when it reaches 50% full  Mowing and/or trimming vegetation from detention pond side slopes  Remove debris from inlet and outlet structures  Remove invasive vegetation from all side slopes  Remove woody vegetation from embankment Remedial Maintenance The owner shall be responsible for correcting and/or replacing any portions of the BMP and/or storm sewer infrastructure in unsatisfactory condition. This includes, but is not limited to:  Replacing end sections  Replacing any portion of damaged storm sewer or underdrain pipes  Grading and reseeding eroded areas  Replacing riprap as necessary 5 BMP Inspection Routine inspections are the responsibility of the BMP owner. These inspections shall be accomplished as scheduled below. The owner is required to complete inspection forms and submit to the City of Carmel on an annual basis when requested. MAINTENANCE ITEM INSPECTION SCHEDULE Embankment and Emergency Spillway Annually and After Major Storms Storm Inlets, Pipes, and Swales Monthly and After Major Storms Pond Outlet and Principal Spillway Annually Permanent Pool Monthly Miscellaneous Monthly Pond and Sediment Removal Biannually The approved maintenance plan and inspection forms provided in Appendix B shall be used as guidance for performing maintenance and inspections activities. These forms shall be completed and retained by the BMP owner and produced upon request by the City. The City shall be notified of any changes in BMP ownership, major repairs, or BMP failure in writing within 30 days. In the event that the City finds a BMP in need of maintenance or repair, the City will notify the BMP owner of the necessary maintenance or repairs and give the landowner a timeframe for completing the maintenance or repairs. If the maintenance or repairs are not completed within the designated timeframe, the City shall perform the repairs or maintenance and bill the landowner for the actual costs for the work. The BMP Owner shall be responsible for all costs associated with the maintenance and inspection of the BMP. 6 Statement of Compliance I hereby certify that I am the ______________________________ and duly authorized agent of (title) ___________________________________________, and that I have read the preceding manual and (company/agency) shall comply with all terms and requirements stated herein. I understand that this BMP O&M Manual has been created per requirements of the City of Carmel. I recognize that it shall be the right of the City and authorized representatives to enter the property containing the BMP for maintenance and inspection purposes, and that this access shall be granted without hindrances by means of the utility and drainage easement previously described in this manual. _______________________________________________ (printed name) _______________________________________________ ____________________ (signature) (date) 7 ACKNOWLEDGMENT State of Indiana, County of Johnson, SS: Before me, the undersigned Notary Public in and for said County, personally appeared _________________________________________, _______________________ of (name) (title) ____________________________________, and acknowledged the execution of the foregoing (company/agency) Manual on this _______ day of _____________________, _________ and stated that he/she is the party authorized by the said company/agency to execute the foregoing Manual. Witness my hand and seal this said last named date. My Commission Expires __________________________________ __________________________________ Notary Public __________________________________ __________________________________ County of Residence Printed Name 8 APPENDIX A BMP Site Drawings 9 APPENDIX B Maintenance Plan and Inspection Forms Stormwater Infrastructure Operation, Maintenance, and Management Inspection Checklist for BMP Owners Project: Owner Change since last Inspection? Y Owner Name, Address, Phone: Number: Location: Site Status: Date: Time: Inspector: Additional Comments: Actions to be taken: Timeframe: Drainage Swales (Inspect Monthly and After Major Storms) 4. Grade and reseed eroded areas Maintenance Item Storm Inlets and Pipes (Inspect Monthly and After Major Storms) Satisfactory/ Unsatisfactory 1. Inlet castings clear of trash/debris 2. Inlet structures clear of trash/debris 3. Sediment deposits in structures and pipes (max. accumulated depth 1/4 of pipe diameter) Comments 3. Flowline unobstructed by buildings/fences 1. Mow and maintain vegetation (max. height 5 inches) 2. Uniform swale slopes maintained City of Indianapolis Page 7-15 Stormwater Specifications Manual January 2011 - FINAL Stormwater Pond Operation, Maintenance, and Management Inspection Checklist for BMP Owners Project: _________________________________________Owner Change since last inspection? Y N Owner Name, Address, Phone Number Location: Site Status: Date: Time: Inspector: Maintenance Item Satisfactory/ Unsatisfactory Comments Embankment and Emergency Spillway (Inspect annually and after major storms) 1. Vegetation 2. Erosion on embankment 3. Animal burrows 4. Cracking, bulging or sliding of dam A. Location: B. Describe 5. Drains clear and functioning 6. Leaks or seeps on embankment A. Location B. Describe 7. Slope protection failure 8. Emergency spillway clear of obstructions 9. Other (describe) FIGURE 702-05: Private Operation, Maintenance & Management – Stormwater Ponds C - 1 City of Indianapolis Page 7-16 Stormwater Specifications Manual January 2011 - FINAL Maintenance Item Satisfactory/ Unsatisfactory Comments Riser and Principal spillway (Inspect annually) Circle Type: Reinforced concrete, corrugated pipe, masonry 1. Low flow orifice blocked 2. Trash rack A. debris removal needed B. corrosion noted 3. Excessive sediment buildup in riser 4. Concrete/Masonry condition A. cracks or displacement B. spalling 5. Metal pipe condition 6. Control Valve operational 7. Pond drain valve operational 8. Outfall channels functioning 9. Other (describe) Permanent Pool (Inspect monthly) 1. Undesirable vegetative growth 2. Floatable debris removal needed 3. Visible pollution 4. Shoreline problem 5. Other (describe) C - 2 City of Indianapolis Page 7-17 Stormwater Specifications Manual January 2011 - FINAL Maintenance Item Satisfactory/ Unsatisfactory Comments Sediment Forebays 1. Sedimentation noted 2. Sediment cleanout needed (over 50% full) Other (Inspect monthly) 1. Erosion at outfalls into pond 2. Headwalls and endwalls 3. Encroachment into pond or easement area 4. Complaints from residents 5. Public hazards (describe) Additional Comments Actions to be taken: Timeframe: C - 3