Chapter 12A LAND PRESERVATION
Section 12A-68 Narrative report to accompany plan.
(a) The narrative report describing the nature and scope
of the work shall include the
(1) The report shall briefly describe
the overall project and shall incorporate an explanation
of existing significant drainage problems contributing to erosion and siltation problems,
particularly those that will be intensified by the alteration to the construction site.
(2) The report shall explain how the
project design insures that the project does not promote
or aggravate an existing off-site erosion, siltation, or drainage problem. The narrative should
include a description of the effect of land disturbance activities off-site.
(3) Runoff producing factors under
existing conditions and the estimated changes after
construction must be provided.
(4) For design of the erosion control
measures and facilities, the report shall include
calculations of the peak runoff from a 10-year return frequency, 24-hour duration storm.
(5) Long range management of the erosion
and siltation control facilities must be addressed
in the report.
(6) The phasing or staging of the
land disturbing activity is to be described including
information on the sequence of land clearing operations, specifying the maximum area and time
span the area will be left denuded, the provisions for the removal, protection and stockpiling of
soil, the types of major earth moving and grading activities, dust control measures, and the order
of placement of control facility installations.
(7) Explanations for the selection
of the erosion and siltation control measures utilized shall
(8) A schedule shall be provided for
inspection and maintenance of the erosion and sediment
control facilities to insure maximum effectiveness of the protective measures and to assure that
preventive maintenance efforts will be carried out when needed. The report should also include a
description of plans for resodding or reseeding of vegetated areas and repair of reconstruction of
damaged structural measures, and the method and frequency of removal and disposal of waste
materials removed from the control facilities or project area including the disposal of temporary
structural measures after they have served their purpose.
(Ord. No. 13019, § 1, 7-1-91)