[Amended 6-10-1992]
Major sediment control plans will be prepared by a registered professional surveyor, landscape architect or engineer licensed to practice in the State of Maryland and will bear his seal. Major plans will be drawn on Mylar or some other translucent material at a size of 24 inches by 24 inches according to the major site plan criteria in §
360-100 of Part
4, Zoning. This plan will include a plan view of the site at an appropriate scale and will show the following:
A. A vicinity sketch indicating North arrow, scale and other information
necessary to easily locate the property.
B. The name, address and telephone number of the owner of the property
where the grading is proposed along with the applicant's name and
telephone number and the developer's name and telephone number if
different from the owner.
C. The location and size of buildings.
D. The existing and proposed topography.
E. The proposed grading and earth disturbance, including:
(1) The surface area involved.
(2) The volume of spoil material.
(3) The volume of borrow material.
(4) Limits of grading, including limitations of mass clearing and grading
whenever possible.
F. Storm drainage provisions, including:
(1) Velocities and quantities of flow at outfalls.
(2) Site conditions around points of all surface water discharge from
the site.
G. Erosion and sediment control provisions to minimize on-site erosion
and prevent off-site sedimentation, including:
(1) Provisions to preserve topsoil and limit disturbance.
(2) Details of grading practices.
(3) Design details for structural controls.
(4) Details of temporary and permanent stabilization measures, including
placement of the following statement on the plan.
(a)
Following initial soil disturbance or redisturbance, permanent
or temporary stabilization shall be completed within seven calendar
days as to the surface of all perimeter controls, dikes, swales, ditches,
perimeter slopes and all slopes greater than three horizontal to one
vertical [3:1] and 14 days as to all other disturbed or graded areas
on the project site.
(b)
The requirements of Subsection
G(4)(a) do not apply to those areas which are shown on the plan and are currently being used for material storage or for those areas on which actual construction activities are currently being performed or to interior areas of a surface mine site where the stabilization material would contaminate the recoverable resource. Maintenance shall be performed as necessary to ensure that the stabilized areas continuously meet the appropriate requirements of the Standards and Specifications for Soil Erosion and Sediment Control.
H. Sequence of construction describing the relationship between the
implementation and maintenance of controls, including permanent and
temporary stabilization and the various stages or phases of earth
disturbance and construction. The sequence of construction shall,
as a minimum, include a schedule and time frame for the following
activities:
(1) Clearing and grubbing for those areas necessary for installation
of perimeter controls.
(2) Construction of perimeter controls.
(3) Remaining clearing and grubbing.
(5) Grading for the remainder of the site.
(6) Utility installation and whether storm drains will be used or blocked
after construction.
(7) Final grading, landscaping or stabilization.
I. A general description of the predominant soil types on the site,
as described by the appropriate soil survey information available
through the Soil Conservation District from the United States Soil
Conservation Service.
J. A statement placed on the plan indicating that the developer shall
request that the County approve work completed in accordance with
the approved erosion and sediment control plan, the grading or building
permit and this Part 2.
(1) On all sites with disturbed areas in excess of two acres, approval
of the inspection agency shall be requested upon completion of installation
of perimeter erosion and sediment controls, but before proceeding
with any other earth disturbance or grading. Other building or grading
inspection approvals may not be authorized until this initial approval
by the inspection agency is made.
(2) Approval shall be requested upon final stabilization of all sites
with disturbed areas in excess of two acres before removal of controls.
K. Certification by the owner or developer that any clearing, grading,
construction or development, or all of these, will be done pursuant
to this plan and that responsible personnel involved in the construction
project will have a certification of training at a Maryland Department
of the Environment approved training program for the control of sediment
and erosion beginning the project. The certification of training for
responsible personnel requirement may be waived by the Soil Conservation
District on any residential project involving four or fewer residential
units.
L. Any additional information or data deemed appropriate by the Soil
Conservation District.