SWPPP-Erosion Control               

bigstockphoto_Construction_Drawings_872300Consultation and Compliance

With today’s strict erosion and sediment control regulations, design phase consultation is your best insurance for timely and cost effective erosion control.  After carefully reviewing your erosion and sediment control plans and integrating those with your project objectives, our team will provide value engineered solutions and recommendations on the proper use of best management practices (BMPs). 

This will ensure the successful installation and maintenance of structural practices and vegetative techniques, while keeping you in compliance with the latest federal, state, and local environmental laws. With increasing frequency of inspections, lawsuits, hefty fines and lost work time due to non compliance, using the correct BMPs will protect both the environment and your business.

 

 

 

 

 

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Best Management Practices (BMPs) 

BMPs are techniques used to control stormwater runoff, sediment control, and soil stabilization, as well as management decisions to prevent or reduce non-point source pollution. The EPA defines a BMP as a "technique, measure or structural control that is used for a given set of conditions to manage the quantity and improve the quality of storm water runoff in the most cost-effective manner."

 

 

 

 

 

 

 

 

SWPPP Training

 

dreamstime_6740327[1]Our comprehensive range of services includes storm water pollution prevention (SWPPP) training for qualified partners.  We offer this service at our facility, your facility or will recommend a training center where SWPPP certification can be obtained.  EPA storm water regulations are ever changing and can be difficult to interpret. 

We highly recommend training and certification for the individual that is responsible for maintaining your SWPPP records.  Violating regulations, or failing a federal or state site inspection can result in fines totaling thousands of dollars or a project shut-down and severe violations which can even result in criminal charges and imprisonment.  Our project managers are required to complete SWPPP training on an annual basis in an effort to better service your needs.

 

 

 

 

 

 

 

bigstockphoto_Construction_Dust_1461188 cDust Suppression

Dust suppression or control, is becoming a large environmental issue on the West Coast, but it’s an increasing concern nationally as well. The EPA is implementing more stringent regulations regarding the fine, dry dust in the air that comes from fields, haul roads, sand and gravel operations, and construction sites.

 We use both chemical and organic applications specifically designed to reduce fugitive dust particles while reducing the water requirement needed in alternate systems.  We have proprietary formulas and application processes developed to meet the various eco-needs of our partners. 

For example, dust control was needed in an area that was under heavy environmental oversight and rigid watershed rules.  We were able to provide an organic application that had acceptable results and met all environmental regulations and concerns. 

 At one large mine, switching from a magnesium chloride treatment on seven miles of haul roads reduced the water use for dust suppression by 99 percent or 110 million gallons of water per year.  Using this example, water truck operating costs were reduced by $378,000 per year and the reduced water truck operation avoided the emission of 491 metric tons of CO2 emissions per year or the equivalent of removing 89 passenger vehicles from U.S. roads for a year.   With the increased regularity of fines and work stoppages, let us help you develop an effective and economical plan for fugitive dust control.

 

 

 

 

 

 

 

 

 

 

 

 

misc 079Hydro Applications

 

Due to the ease of use and effectiveness,  hydroseeding (or hydraulic mulch seeding, hydro-mulching, hydraseeding) is becoming a popular means of planting seeds for generating new vegetation.  Hydroseeding can be very effective for stabilizing the soil and preventing erosion and sediment loss to disturbed hillsides and sloped areas.  Hydroseeding is used to plant seed on commercial sites (highways, burned areas, etc.), golf courses, lawns and areas too large, inaccessible or unsuitable for other conventional seeding methods.

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Hydroseeding is a process by which seed, water, fertilizer, tackifying agents, green dye, mulch, and other additives are blended together in a tank and applied through a pressurized spray application.  The slurry mixture is transported in a tank, either truck or trailer mounted and sprayed over prepared ground in a uniform layer by trained applicators.  Once sprayed, the wet fiber mulch helps create a bond to the soil and provides the seeds with an organic material to assist in. Helicopters or airplanes are used in cases where larger areas must be covered, including remote sites with steep slopes or rugged terrain.

 


 

 

 

 

 

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Bonded Fiber Matrix Mulch

Bonded Fiber Matrix mulch (BFM) is a unique class of hydroseeding erosion control product. The term is accepted within the erosion control industry to categorize hydraulically applied products which are designed, tested and proven to match or exceed the performance of erosion control blankets. These products can be designed to bond mechanically or hydraulically depending on seasonal application parameters. BFM’s will reduce water runoff and channeling, while maximizing seed germination and plant growth. The applications can protect virtually any slope and soil type, including near-vertical surfaces. 

BFM does not damage existing vegetation; therefore it can be used on slopes with existing vegetation. Product certification (lab certified specifications) is not provided by all manufacturers of Bonded Fiber Matrix, but we only use certified mulches to ensure the best management practice.  This product cannot be properly applied by most hydroseeders due to the technical and mechanical needs necessary to insure proper application.  Not only are we able to correctly apply BFM, we are a preferred vendor in testing new products and applications for suppliers.

 

 

 

 

 

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Silt Fence

Silt fence systems, when properly located and installed, are designed to remove most suspended solids from captured sheet flows.  These products enable settlement of sands, most silt and some clay on their up-gradient or ponded side, while allowing significantly clarified water to discharge through the structure. Their performance is dependent on the time of impoundment as gravity requires time to pull suspended particles downward through the water column.  There are numerous types of silt fence and we can assist you in determining the most effective and economical type for your project.

 

 

 

 

 

 

image1Wattles

Wattles are an elongated tube of compacted straw and/or other fibers wrapped in UV stabilized degradable tubular polypropylene plastic netting.  They come in various sizes ranging from 9 inches to 20 inches in width, and 10 feet to 25 feet in length. Wattles are used for temporary and permanent erosion and sediment control applications. They are commonly installed along the contours or at the base of a slope to help reduce soil image10erosion and retain sediment.

Wattles are designed to allow runoff water to penetrate through the fiber while reducing sediment migration.  They function as slope interruption devices and therefore shorten slope lengths by reducing runoff velocity and the potential for sheet erosion and rill formation. 

Wattles provide a cost-effective alternative to other sediment trapping devices, can be easily installed and removed, and have low maintenance costs when compared to silt fence or straw bales.  Improper wattle installation can result in escaping sediments and may be subject to serious fines or work stoppages.  Our SWPPP installation crews have tools expressly made to ensure proper installation and our installation work is carefully supervised by a certified SWPPP project manager. 


 

 

 

 

 

 

 

http://www.greenfix.com/images/greenfix_05.gifErosion Blankets

Erosion control blankets successfully limit soil erosion and assist with establishing vegetation on projects ranging from manicured residential lawns to severe slopes to moderate-velocity storm flow zones. Blankets provide immediate erosion protection from precipitation impact, sheet flows misc 096and moderate-shear concentrated flows for virtually all anticipated site-specific conditions.

To meet varying site demands, there are two major types of matting: temporary and permanent. Temporary blankets are degradable and are typically made of a variety of organic matrixes, including straw, coir fiber, and a blend of both. Non-degradable plastics are used in permanent mats; these offer long-term protection for critical areas.  Blankets have many benefits, including the ability to reduce wide daily temperature swings, moderate seasonal soil temperatures [cooler in hot weather and warmer in spring/fall situations], reduce moisture loss attributed to evaporation or wind dessication, protect sloping and reduce water velocity.

 

 

 

 

 

 

 

 

Geotechnical Products

There are numerous products on the market that carry the "geo" prefix.  These are manufactured products that have been thoroughly tested and technically graded to be used in a variety of erosion control and revegetation applications.  We will gladly discuss which product would effectively meet your needs, whether it is grids, membranes, cells, liners, or textiles.  Textiles are the most widely used and as such, we have provided a brief description of them below.

 

http://www.boomenviro.com/images/geotextiles/woven_geos.jpgGeotextiles

Geotextiles are manufactured fiber materials made into a variety of fabric constructions. They are used in a variety of civil engineering, erosion control and revegetation applications. Geotextile fabrics are manufactured in a woven and a non-woven material. Each has its own unique applications and benefits.  In general, woven fabrics exhibit high tensile, high modulus and low elongation; non-wovens exhibit lower tensile, higher elongation and higher flow rates.

Woven geotextiles use various yarn types and numerous weaving patterns to create a wide range of fabrics. Wovens primary use is in soil stabilization and usually placed between the aggregate and the sub grade to stabilize the soil.  This will preserve the aggregate, reinforce the surrounding soil, minimize rutting, and prevent intermixing of the aggregate with the soft soils below.  They will also keep mud below the rock from 'pumping' up and help keep clean up to a minimum.  We highly recommend the use of wovens as they help control aggregate costs, improve the performance of paved and unpaved surfaces, and http://www.boomenviro.com/images/geotextiles/nonwoven_geos.jpgreduce maintenance costs.

Non-woven geotextiles are produced by fiber formation which results in either a continuous filament or a staple fiber. Fibers are then bonded by needle punching, heated calendar or other processes or combinations. Some non-woven geotextiles are manufactured from polypropylene fabric of various thicknesses.  Non-wovens are classified into lightweight and heavyweight fabric strengths and used in a wide variety of projects that require filtration, separation, geo landfillstabilization, reinforcement or any combination of these applications.  Non-wovens have a high tear tolerance, resistant to soil chemicals, ultra violet light exposure, and are virtually unaffected by hydrocarbons, mildew, rot and freeze-thaw.  

Heavyweight non-wovens provide greater strength and abrasion resistance to withstand extreme installation and application stresses to create an effective, long-term drainage solution.  Heavyweight non-wovens are used in critical subsurface drainage systems, soil separation, permanent erosion control, and geomembrane liner protection within landfills, tailings dams, or projects requiring long term ecosystem solutions.

Lightweight non-wovens provide constructability ease, cost savings and performance longevity to a wide variety of in-soil and in-water applications. They provide tensile reinforcement, filtration, and separation for roads, roofs, railroads, ponds, dams, trenches, and many other civil engineering and construction uses.

 

 

 

 

 

 

earth_retention_3 cCellular Confinement

Cellular confinement offers many solutions for combating the ravages of erosive stresses and destabilizing forces.  The textured panel surfaces and perforation pattern create a honeycomb structure which allows for three dimensional reinforcement and soil confinement.   By utilizing various depths and different cell sizes, PerfGeowebthis product provides innovative solutions to challenging soil stability problems in slope and channel protection, load support and earth retention applications.

Additionally, when applications require exposed panels, available color options enable the completed structure to blend into the surrounding landscape, completing the task in an aesthetically tasteful manner.

 

 

 

 

 

 

 

 

Image:Riprap.jpgRip Rap

Riprap revetments are a very effective and popular method of controlling erosion created by unchecked flows of water.  A rip rap revetment is a facing of stone or other armoring material used to protect a water channel, drainage area, stream bank or shoreline. The riprap revetment consists of layered, various-sized rocks placed on a sloped bank in a way that will stand up to the fluctuations in water levels and flowing conditions. 

As a riprap revetment is susceptible to displacement and deterioration of the rock, it essential to a project's success that correct engineering and installation be performed.  When displacement and deterioration occur, the effectiveness of the structure is greatly reduced which adds directly to long term maintenance costs.

 

 

 

 

 

 

 

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Gabions & Mattresses

Gabions and mattresses provide flexible armor protection in zones of high turbulence and rapid concentrated flows. Their mass and durability make them ideal for such applications as waterways, channels, seawalls, flumes, outfall pads, control structures, retaining walls and energy dissipaters. The open construction of the baskets and mattresses allows drainage of subsoil or retained soils while maintaining flexibility to accommodate reasonable subsoil movements. With proper planning, gabions and mattresses will support vegetation.

 

 

 

 

 

 

 

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Sediment Ponds

Sedimentation ponds and siltation structures are used to minimize sediment contributions to surface waters. Sedimentation ponds retain water and slow the velocity so that sediment can settle to the bottom SedimentPond17June20023.jpg (150297 bytes)of the structure. They can be excavated or may be constructed with an embankment of earthen materials.

It is recommended the ponds be located outside of natural drainages but if the site is located in a drainage area, the water produced up-gradient from the site should be routed through an adequately sized culvert under the disturbed area and sedimentation pond or around the disturbed area. One of our primary concerns in developing a sediment pond is to create it so that required future maintenance can be done effectively and economically.

 

 

 

 

 

An example of a self-installed concrete washout structure.

Concrete Washouts

One of the most common illegal discharges from construction sites is cleanout from concrete installations. Concrete and cementitious (cement, grout, stucco, plaster, mortar) washout wastewater is corrosive and caustic. The pH of concrete can be over 12 – essentially the same as a common liquid drain cleaner or other household cleaners.

 We will design your washout to:

*  comply with enforced federal and state laws

*  minimize risk of accidental discharge

*  withstand job site activity

We have had to replace competitor’s washouts after they failed inspections and generated substantial fines.  We highly encourage you to make this a job site priority.

 

 

 

 

 

 

 

 


bigstockphoto_Car_Wash_3087799Vehicle Track-out

Track-out from truck tires is a well-known contributor to storm water pollution. On a daily basis, vehicles enter and exit land-disturbing work sites such as mines, landfills, quarries, power plants and construction sites. As the trucks leave the site, they deposit dirt and debris onto public roads and highways – one truck, one trip, with four to 18 tires or more tracking out all types of substances.

As the federal government steps up efforts to monitor pollution source reduction, state and local governments are following suit, and environmental regulations are getting tougher. It is becoming increasingly crucial to employ the most effective vehicle tire-washing systems and technologies to reduce pollution at the source, and avoid stiff fines and penalties. We have recommended and installed systems that reduce track-out and help you avoid costly cleanups and eliminate off-site liabilities and exposure.