Complete Compiled Specification.pdf - Peck Ormsby Construction

SECTION 02270 EROSION CONTROL
PART 1 - GENERAL
1.1 SUMMARY
A. This Section covers the work required for erosion control during construction. Any local or
State Agency requirements will be considered part of these specifications.
B. Obtain the National Pollution Discharge Elimination System (NPDES) Permit for stormwater
discharge associated with construction activity.
C. Obtain a UPDES Storm Water General Permit for Construction Activities (Permit
#UTR100000) or an alternate individual permit. Applications are available online at
http://www.waterquality.utah.gov/updes/stormwater.htm.
PART 2 - PRODUCTS
2.1 SILT FENCE
A. Silt fence shall be a woven fabric that meets the following criteria:
2.2 STRAW BALES
Property Unit Test Method Values
Grab Strength lbs ASTMD-4632 90 min
Grab Elongation % ASTMD-4632 40 max
Water Flow Rate gal/min/ft 2 ASTMD-4491 15 min
Ultraviolet Stability% ASTMD-4355 70% min
A. Straw Bales shall be clean free of dirt, hay, grass or weeds. They shall be bound with twine
or wire. Bales when placed shall be dry and capable of passing water
B. Stakes shall be 2" x 2" x 4 feet, hardwood or 4 feet, #4 rebar
PART 3 - EXECUTION
A. Silt fence and/or Bales shall be placed in accordance with plans and details. The placement
of silt fence and/or bales shall consider drainage paths and intercept drainage prior to leaving
the site or entering a storm sewer system. Removal of silt and replacement of silt fence
and/or bales shall be on going through the duration of the project to maintain an effective silt
removing barrier.
B. Sediment Basin and/or sinks shall be constructed to dimensions shown on the plans. The
basins and/or sinks shall be cleaned as required to maintain specified size and depth.
C. All temporary grading of drainage channels, slopes or fills shall be in accordance with Section
02003 Earth Moving.
END OF SECTION 02270
SEGO LILY ELEMENTARY SCHOOL CLASSROOM ADDITION March 2, 2009
EROSION CONTROL 02270 - 1