Sediguard™ Product Specifications
SECTION 01 57 15
(Section 015751 in 1995 Edition Master Format)
TEMPORARY CURB INLET FILTERS
PART 1 GENERAL
1.01 SECTION INCLUDES
A. Filter unites for curb inlets and other drain grates for temporary use during construction periods.
1.02 PERFORMANCE REQUIREMENTS
A. Filters shall retain all construction debris and shall retain or otherwise control most of the sediment produced by the construction operations.
B. Filter installation shall not require overflow provisions. If clogging occurs, inlets shall be able to be easily unclogged by brooming the sides and top of the filter
C. Installed filters shall be resistant to traffic damage, including traffic by street cleaning machines.
D. Filter units shall be biodegradable and may often be re-used
1.03 SUBMITTALS
A. Products Data: One copy of manufacturer’s descriptive literature
B. Sample: One standard size filter unit, complete with accessories
Accepted unit may be installed as part of the work.
C. Manufacturer's Instructions: One copy of manufacturer’s printed installation instructions.
1.04 DELIVERY, STORAGE AND HANDLING
A. Deliver units in manufacturers/fabricators original bundles or containers.
B. Protect units from dirt and damage until they are installed.
PART 2 PRODUCT
2.01 ACCEPTABLE PRODUCT
A. "SediquardTM" Inlet Filter Device manufactured/fabricated by Earth Support Systems, Inc.
B. Phone: (866) 401-8776
C. Email: info@sediguard.com
2.02 MATERIALS
A. Scrim: 10-mil polyester fibers In 1/4-inch by 1/4-inch mesh.
B. Filter Fibers:
1. Course Fiber: Coir (fiber from cuter husk of coconuts).
2. Fine Fiber: sterilized swine hair
C. Fiber Coating and Binding Agent: water-based latex
D. Anchors:
1. Straps: HDPE (high density polyethylene) cable ties, with 1/4-inch wide by 24-inch long straps having pointed ends.
2. Pressure Discs: 0.060-inch thick HDPE, 3 1/2 inches diameter, with two 3/8-inch wide oval-shaped openings 2 1/4 inches apart to accommodate anchor straps.
E. Installation Tool
2.03 FABRICATION
A. Mat Forming. Using a Rando-Webber Web Forming Machine. Perform the following:
1. Blend coarse and fine fibers In proprietary proportions(s) into web of
selected density by airflow, while applying scrim to one face of mat.
2. Spray web with Fiber Coating and Binding Agent. Oven-cure to provide a permanent filter form.
3. Trim mats to standard filter unit size.
B. Adhere upper and lower mats to each other, with scrim on bottom face of each mat.
C. Standards:
1. Upper Mat Density: 5 ounces per square foot with 52.5 percent of weight consisting of Coating and Binding Agent material.
2. Lower Mat Density: 3.5 ounces per square foot with 60 percent of weight consisting of Coating and Binding Agent material.
3. Upper Mat Thickness: 3/4 inch
4 Lower Matt Thickness: 1 1/2 inches
5. Standard Filter Unit Face Size: 27 inches by 30 inches
PART 3 EXECUTION
3.01 PREPARATION
A. Clean surface of inlet grating free of foreign objects
B. Cut filter unit to size, if necessary, leaving a minimum extension past all sides of grate opening of one inch.
C. For inlets in vertical-laced curbs, fold filter unit into 90 degree angle so it will fit snugly to inlet.
D. To make a neat right-angle b-end in the unit, cut a 1 1/2-inch deep notch into opposite edges of the unit with notches located a distance from end of filter equal to curb height.
3.02 INSTALLATION
A. To install filters without lifting grates, place filter unit on inlet grate, located so it covers opening with proper
B. Lift edge of filter unit enough to locate grate bar closest to corner of grate. Make a pair of openings in filter unit, with Installation Tool or flat-blade screw driver to accommodate anchor straps
C. Push pointed end of anchor strap through pressure disc, down through temporary opening in filter unit, loop under grate bar, then up through the twin temporary opening in filter unit and through second opening in pressure disc.
D. Insert pointed end of anchor strap into locking end, but leave adequate alack for adjustment
E. Repeat anchor installation operation at other recommended anchor locations.
F. Minimum number of anchors per filter units.
1. On curb inlets: 7
2. On flat grates: 8
G. After installing all anchors loosely, adjust position of filter units if necessary to cover grates properly. Then, tighten all anchor straps to hold filter units firmly in place.
H. Trim ends of anchor straps to leave a one-inch tong tail.
3.03 MAINTENANCE
A. Inspect all installed filter units after every rain; more often if the rain persists for an appreciable length of time.
B. Broom collected material off filter unit surfaces and away from edges.
C. Remove sediment and debris collected around filter units. Dispose of legally off site.
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