NCC216271_NOT Closeout Documents (3)_20231113

CARY
TOWN MANAGER'S
OFFICE
STORMWATER DIVISION
July 21, 2023
CERTIFICATE OF WATERSHED COMPLIANCE
Project Name: Capital Associates Property
Development Plan #: 21-DP-7936
SCMs Certified: One (1) Wet Pond
Frank Baird
Pleasant Grove Warehouse LLC
1501 Sunrise Avenue, Suite 100
Raleigh, NC 27608
Dear Mr. Baird,
On December 5th, 2022 the Town of Cary received the record drawings, and Professional
Engineer's Certification, as well as other required documentation previously submitted for
the Stormwater Control Measure (SCM). The Town also visited the site and inspected the
SCM(s)for completeness with the approved plan. As such, the following items have been
provided to the Stormwater Division.
• Executed deed where the SCM(s) is/are located;
• Survey Plat with access and drainage easements related to the SCM(s) prepared
and recorded at the County Register of Deeds office;
• Operations and Maintenance Manual for the SCM(s);
• Stormwater Control Measure Maintenance Agreement signed and notarized;
• Stormwater Control Structure &Access Easement and Agreement recorded at the
County Register of Deeds office;
• Sealed certification by a licensed North Carolina Professional stating that the
structure is complete and complies fully with approved plans and specifications;
• Reproducible record drawings;
• Maintenance Security.
Owner Obligations
Upon receipt of this certificate please provide the following information as soon as possible
(but within 30-days) to: [e-mail]
1) Owner contact information
a) Name of legal owner of record;
b) Mailing address of legal owner of record
c) Contact name, tel. #, and email address of owner
d) If maintenance responsibility is managed through a third party, please provide
their company name, mailing address, contact name, contact tel. #, and
contact email address.
2) One year from the date of this letter, you are required to submit a SCM inspection
report certified by a licensed North Carolina professional engineer(PE), registered
919.469.4000 I carync.gov I PO Box 8005 Cary, NC 27512

landscape architect (RLA) or registered Professional Land Surveyor (PLS) with
expertise in storm drainage that verifies that the SCM has been maintained and is
currently in good working (functional) order per the requirements stipulated in the
Maintenance Agreement and Operation and Maintenance Manual for this site. This
certification shall be submitted electronically via email as a pdf file on the Town
standard post-construction maintenance form entitles "Stormwater (SCM) Annual
Maintenance Inspection Report".
3) You are required to comply in perpetuity with the monthly, quarterly, semi-annual,
and general requirements outlined in the Stormwater Control Structure
Maintenance Agreement for the SCM(s) at this site.
4) You are required to comply in perpetuity with the monthly, quarterly, semi-annual,
annual, and 'as needed'frequency schedule as well as complying with the general
requirements and record keeping outlined in the Operations and Maintenance
Manual for the SCM(s) at this site.
5) It is highly recommended that you establish a funding mechanism, such as an
escrow account, maintained at an adequate level to pay for the maintenance
expenses over the lifetime of the SCM. Routine and proactive maintenance costs
are required to ensure the continued functioning of the SCM, but will be much less
than the cost of significant, restorative repairs resulting from lack of routine
maintenance. NCSU has estimated average maintenance costs by SCM type,
summarized below — refer to the 2021 study for additional information. These
estimates are provided for illustrative purposes only; cost will vary based on
contributing drainage area, design, location and other factors.
Annual Routine Maintenance Costs by SCM Types
SCM Type Average Cost* (Mean)
Bioretention - Grassed $15,600 Per Acre, With Mowing
Bioretention - Mulched $12,400 Per Acre, With Mowing
Dry Pond $11,320 Per Acre, With Mowing
Level Spreader- Filter Strip $34 Per Linear Foot, With Mowing
Permeable Pavement $1 Per Square Foot, Street
Sweeping
Sand Filter- Above Ground $16,875 Per Acre, With Mowing
Sand Filter- Underground, Residential $73,086 Per Acre
Sand Filter- Underground, Commercial $91,207 Per Acre
Stormwater Wetland $10,950 Per Acre, With Mowing
Wet Pond $9,440 Per Acre, With Mowing
*Area within the device, not contributing drainage area
CA RY TOWN OFFICE MANAGER'S 2
STORMWATER DIVISION

With this letter you, the owning entity, take all responsibility of care and maintenance of
the above maintained SCM(s). Any failure to execute the provisions of the Land
Development Ordinance, Chapter 4, Overlay District, Part 4.4.6 (G), Engineered
Stormwater Control Structure, shall result in legal action by the Town to the limits
prescribed by the Ordinance.
Please feel free to contact the Stormwater Division (919-469-4032), should you have
questions regarding this matter.
Sincerely,
Emily Cochran, CFM
Stormwater Program Analyst
Cc:
C"RY TOWN OFFICE MANAGER'S 3
STORMWATER DIVISION