(A) Certification of as-built drawings. After completion of construction of the project, but before final site inspection and acceptance, the applicant shall submit professionally prepared and certified “as-built” drawings in accordance with the Town’s requirements for digital and hard copy as-builts. The drawings shall indicate the “as-built” details of all site improvements relevant to the completed stormwater management system and management facilities, including the following:
(1) Pipe size, length, material, and inverts;
(2) Structure location, size, and material;
(3) Casting type, size, and top of rim elevation;
(4) Ditch/swale locations, flowline elevations, and cross sections;
(5) BMP type, dimensions, boundaries/easements, and relevant elevations;
(6) “As-planted” plans for BMPs, as applicable;
(7) Post-construction survey, indicating detention/retention basin bottom elevation, normal pool elevation, and one hundred-year (100-yr.) (1% chance/year) elevation;
(8) Emergency overflow spillway and flood routing path configuration, dimensions, flowline/invert elevations, and cross sections;
(9) Data and calculations showing “as-built” detention/retention basin storage volume and “as-built” BMP treatment capacity, signed and certified by a professional engineer or land surveyor licensed in the State of Indiana;
(10) Any other “as-built” information required or requested by the Development Services Department.
(B) Certification of completion and compliance.
(1) A certification of completion and compliance shall be completed that certifies the following:
(a) The designer is familiar with the stormwater management requirements applicable to such land alteration (as set forth in this chapter).
(b) The designer has personally inspected the completed work.
(c) All improvements were installed as shown on the “as-built” plans and in conformance with the approved Stormwater Management Plan. Statement shall be signed and certified by a professional engineer or land surveyor licensed in the State of Indiana.
(2) Any exceptions or deletions to the project shall be clearly outlined.
(C) Notice of construction termination.
(1) The project site owner shall plan an orderly and timely termination of the construction activities, including the implementation of stormwater quality measures that are to remain on the project site.
(2) The project site owner, or a representative thereof, shall submit an IDEM NOT form to the Town upon project termination once the following requirements are met:
(a) All land disturbing activities, including construction on all building lots, have been completed.
(b) Final stabilization of the entire site has been completed, and vegetation has established at a minimum of seventy percent (70%) density of uniform permanent perennial vegetated coverage.
(c) All permanent BMPs and stormwater quality measures have been implemented and are operational. BMPs shall be cleaned, including the removal of accumulated solids, sediments, and debris, just prior to construction termination.
(d) Temporary erosion and sediment control measures have been removed.
(3) The NOT must be submitted to the Town within two (2) weeks of project termination, and contain a statement(s) verifying that each of these conditions have been met.
(4) The Town or a representative thereof may inspect the project site to confirm the information provided in the NOT. Once the applicant receives verification of acceptable construction termination and site stabilization from the Development Services Department, the applicant must forward a copy of the NOT to IDEM.
(5) The applicant may apply for release of performance bonds in accordance with § 151.26(A)(5).
(Ord. 2017-28, passed 10-12-17)