Silt fence creates a sediment barrier, forcing sheet flow runoff to evaporate or infiltrate. Detail metric detail post and geotextile installation detail silt fence installation at toe of fill fl s lp e t o e o f s lop e plan elevation 4. This is a temporary barrier made of woven wire and fabric filter cloth geotextile that is used to catch sedimentladen runoff from small areas of disturbed soil such as following a fire. Silt fence nilex geotextile materials, erosion control. This installation bonds the fabric and support system scrim to the vertical. Pdf phormium tenax, an unusual nurse plant researchgate. Set the silt fence perpendicular to the slope of the land, curving the fence inward towards slope. Silt fence, a temporary linear filter structure for efficient erosion control, is composed of premium geotextile fabric supported by wire mesh fence and metal posts, and sorts of accessories. If standard fabric is used in combination with wire mesh, posts should be spaced no more than 10 feet apart. Tenax 2 ft x 100 ft silt fence black31900500 the home depot. Silt fence slows the water long enough to cause sediment to drop out, allowing water to pass through the fabric.
T o e o f s lop e f l slo p e elevation plan plan plan end detail end posts detail posts at joints varies all types must ensure silt fence remains attached to, and varies geotextile steel. Sediment runoff from a hill is one of the easiest ways to disrupt a construction site or pollute a fresh water source. A silt fence is a temporary sediment barrier consisting of woven geotextile stretched across and attached to supporting posts, trenchedin, and, depending upon the strength of fabric used, supported with plastic or wire mesh fence. An economical technique for measuring hillslope soil erosion peter r. Tenax silt fence available roll dimensions and weight english metric dimensions weight dimensions weight 2 x 100 17. For heavyduty work sites, these mesh barriers are perfect for fencing off construction areas on the side of highways or keeping grass safe while it grows. One of the most commonly used silt fencing options is the standard staked silt fence. Most super silt fence specifications are outdated, requiring the trenching installation method, which has been shown to be highly susceptible to washing. We carry a large selection of silt fencing product and supplies. All literature, presentations, specifications or any other media, images and content are siltsaver s and may only be used in conjunction with the sales or use of siltsaver products. Illustration of installing a floating turbidity barrier florida. Wooden stakes for slit fencing measures either 1 by 1 by 36 or 1 by 1 by 42. Leave an undisturbed or stabilized area immediately down slope.
Construction silt fence silt and construction fencing. Erosion and sediment control systems transportation. Silt fence standard fencing and wire back fencing models. Silt fence is a temporary or construction fence made from plastic. Silt fences use a special material that catches the sediment and filters it out of the. Slit fences offer td and md tensile strengths of 20 pounds per foot. Department of agriculture, forest service, rocky mountain research station. Silt fences trap coarse sediment by intercepting and. Lisa cyford note protected area flow protected area perform maintenance in accordance with standard silt fence see specification 801. Silt fences are widely used on construction sites in north america and elsewhere, due to their low cost and simple design. See detail sf1 for proper silt fence installation, which involves proper trenching, staking, securing the. These are notes and specifications for typical installations of silt fences around construction sites with significant areas of disturbance.
The silt fence is an erosion and sediment control barrier used on construction sites, work areas, and other locations with high levels of displaced sediment. Tenax silt fence erosion control with posts 3 x 100. Bottom drain bda500 drawing detail attachment pdf bda500 application installation pdf bda500 cad file zipped dwg perimeter protection silt fence. Instructions silt fence standard detail general description. Nilex manufactures silt fence from durable, uvstabilized woven geotextile attached to premium wood stakes. Tenax silt fence is the ideal barrier for sediment control around construction sites or wherever there is bare or disturbed earth. This engineered geotextile is stabilized to resist degradation due. When two sections of filter cloth adjoin each other. Tenax 31900500 silt fence, 2 by 100feet, 2 x 100, black.
Below are the mecklenburg county land development standard drawings in pdf and dwg file formats. Provide sufficient room for runoff to pond behind the fence and to allow sediment removal equipment to pass between the. To protect the turf from regular walking or gardening machines and cars repeatedly passing by, tenax offers three excellent affourdable synthetic grids for light vehicular traffic. Preassembled tenax silt fence is the ideal barrier for sediment control around construction sites or wherever there is bare or disturbed earth the woven geotextile used on tenax silt fence is designed to filter out sediment from construction site runoff, yet allow clean water to pass through. A silt fence is a woven geotextile fabric attached to wooden posts and trenched into the ground. Suitable applications silt fences are suitable for perimeter control, placed below. Silt fence is used on construction sites to help protect streams, rivers, lakes and other aquatic resources as well as terrestrial resources from contamination by silt, sediment and construction debris. Bsrf priority 1 green band heavy duty silt fence bsrf priority 1 specification and installation pdf bsrf priority 1 installation slope pdf. Preassembled tenax silt fence is the ideal barrier for sediment control around construction sites or wherever there is bare or disturbed earth. The woven geotextile used on tenax silt fence is designed to filter out.
Control for highways 2003 and alberta transportation specifications qualifies under this. T o e o f s lop e f l slo p e elevation plan plan plan end detail end posts detail posts at joints varies all types must ensure silt fence remains attached to, and varies geotextile steel or. Each roll has roughly 11 stakes per 100 feet and four or five staples. For high flow conditions, erosion control matting must be used in conjunction with the barriers to. Silt fence is made of a woven polypropylene material and it is nonbiodegradable. The woven geotextile used on this fence is designed to filter out sediment from construction site runoff. Used as a vertical permeable interceptor, it is designed to greatly trap and allow settlement of soil particles from sedimentladen water or limit the. When two sections of filter cloth adjoin each other they shall be overlapped by six inches and folded. In addition to the innovative range of orange safety fencing and. The maximum length of slope draining to any point along the silt fence should be 100 ft per foot of silt fence.
Silt fence definition a temporary barrier of geotextile fabric installed on the contours across a slope used to intercept sediment laden runoff from small drainage areas of disturbed soil. Inspect and repair once a week and after every rain. H powdercoated steel ground base for temporary fencing. The silt fence detains sedimentladen water, promoting sedimentation behind the fence. Details tenax silt fence is the ideal barrier for sediment control around construction sites or wherever there is bare or disturbed earth. Please click on a tenax style below to help you decide what you need. Overlap sections of silt fence, or twist ends of silt fence together. Maintenance shall be performed as needed and material removed when bulges develop in the silt fence. A silt fence, sometimes misleadingly called a filter fence, is a temporary sediment control.
The woven geotextile used on tenax silt fence is designed to filter out sediment from construction site runoff, yet allow clean water to pass through. Turn the ends of the filter fence uphill to prevent stormwater from flowing around the fence. Extended ends up slope enough to allow water to pond behind fence. Tenax corporation presents a wide range of products for the construction industry which play a strategic role for many applications that meet different working needs more rapidly and in the best way possible. Shop here for silt fences to meet all your erosion control needs. Silt fence with no trespassing logo preprinted on d. Tenax offers a full series of fence materials specially engineered for erosion control and landscaping. Abstractmeasuring hillslope erosion has historically been a costly, timeconsuming practice.
The black fence comes with wood posts for easier installation. Utilizing a heavy duty netting structure and dense fill of 100% rocky mountain machine produced excelsior, excel aspen excelsior logs are manufactured in a variety of diameters and lengths. Brock white canada silt fence products for erosion control. Silt fence sediment control products acf environmental. Enter your location for pricing and availability, click for more info. High quality polypropylene fabrics that filters debris and sediment out of construction site runoff. Woven geotextile for erosion control tenax silt fence. Amazons choice recommends highly rated, wellpriced products available to ship immediately. Silt fence se1 january 2003 california stormwater bmp handbook 3 of 8 construction. Remove sediment if deposits reach half the fence height. High in strength and filtration abilities, the silt fence is able to contain sediment, dirt, and displaced materials while still allowing water to flow through the fabric. Silt fence se1 july 2012 california stormwater bmp handbook portal 3 of 9 construction. Staked turbidity barrier belted silt retention fence.
Silt fence effectiveness is best determined by how many hundreds of pounds of sediment are contained behind a given silt fence after a storm event, and not turbidity, etc. It is an economical way to deter trespassers from your jobsite, combined with the benefits of silt fence. Purpose the purpose of a silt fence is to reduce runoff velocity and effect deposition of transported. Western excelsior manufactures excel aspen excelsior logs to provide sediment control and inlet protection. Soil type, slope, slope length, rainfall, and site configuration are all important elements in determining the adequate silt fence protection for a site, and to what extent it fits the 100 ft per 10,000 sq ft ruleofthumb. Thanks to their special structure, these products are. A silt fence, sometimes misleadingly called a filter fence, is a temporary sediment control device used on construction sites to protect water quality in nearby streams, rivers, lakes and seas from sediment loose soil in stormwater runoff. The height of the silt fence should be between 16 and 34 above the grade. We recommend that before any products are ordered or recommended for service that siltsaver be contacted to verify their suitability. Thanks to their special structure, these products are exceptionally durable and effective, desp.
Silt fence sf sc1 november 2010 urban drainage and flood control district sf1 urban storm drainage criteria manual volume 3 photograph sf1. Tenax fence pdf specification sheets we have developed a list of some of our top products for indepth specifications and more information. Tenax geogrids total traffic exopave tte trinter erosion control matting turfmesh. Tenaxs silt fence comes in 2 and 3 foot heights and is made from a special black woven polypropylene polymer. Tenax silt fence notes notes woven erosion fence with attached hardwood stakes available roll dimensions and weight weight 7. Virginia erosion and sediment control handbook pdf report 3rd ed. Geosynthetic fabric to be fastened securely to fence posts with wire ties or staples. This engineered geotextile is stabilized to resist degradation due to ultraviolet exposure. Pdf in this paper we document the role of phormium tenax as a nurse plant. The woven geotextile is designed to filter out sediment from construction site runoff while allowing clean water to run through. This standard detail is a potential add on sheet to a set of construction drawings for projects that will involve large areas of disturbed land. Please note that dwg files are for autocad users only. A silt fence is made of a filter fabric that has been entrenched, attached to supporting poles, and sometimes backed by a plastic or wire mesh for support.
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