Specifications - State of Delaware

SECTION 312500 - EROSION AND SEDIMENTATION CONTROLS
PART 1 - GENERAL
1.01 DESCRIPTION:
A. General: Provide temporary soil and sediment control measures in accordance with the Plans
and Contract Documents.
B. Refer to LEED TM REQUIREMENTS in SECTION 018113.13 - SUSTAINABLE DESIGN
REQUIREMENTS for LEED requirements and documentation submittals pertaining to Work
in this Specification Section.
1.02 QUALITY ASSURANCE:
A. Standards:
1. Except as modified by governing codes and by the Contract Documents, comply with the
applicable provisions and recommendations of the following:
a. Delaware Erosion and Sediment Control Handbook (2003).
b. Delaware Department of Transportation Standard Specifications for Highways and
Bridges, dated August 2001 (hereinafter referred to as the "Standard
Specifications").
B. Design Criteria:
1. The primary objective of this specification is to control soil erosion to the maximum
extent practicable and to comply with the approved sediment and stormwater plan for the
site construction.
2. The temporary control provisions contained herein shall be coordinated with permanent
erosion control features to the extent practical to assure effective and continuous erosion
control throughout the construction and post-construction period.
3. The erosion control measures described herein shall be continued until the construction is
complete and all disturbed areas are fully stabilized.
4. Wherever construction exposes work, which is subject to erosion, erosion control features
or other work to be completed within such areas shall follow as soon after exposure as
practicable.
PART 2 - PRODUCTS
2.01 MATERIALS:
A. Temporary mulches shall conform to Section 735 of the Delaware Department of
Transportation Standard Specifications for Bridges and Highways.
B. Temporary grass mixtures shall be as shown on the Plans and shall conform to the Section 734
of the Standard Specifications.
C. Fertilizer and soil conditioners shall be a standard commercial grade.
D. Temporary structural Erosion Control measures shall conform to the requirements of the
Delaware Erosion and Sediment Control Handbook and the Delaware Department of
Transportation Standard Specifications.
E. Erosion control matting and blankets shall conform with the Delaware Erosion and Sediment
Control Handbook requirements for soil stabilization matting (SSM) I and II. Matting shall be
composed of 100% agricultural straw (minimum 0.5 pounds per square yard) or 100% wood
excelsior fiber (0.8 pounds per square yard) with a single or double netting of either photodegradable
or bio-degradable material. SSM-I shall be North American Green S75, American
Excelsior Curlex I, or approved equal. SSM-II shall be North American Green S150,
American Excelsior Curlex II, or approved equal.
DEAN312500.DOC 312500-1