Mirafi N-Series nonwoven polypropylene geotextiles are used for soil separation, drainage in Transportation, Building Site, and Water Infrastructure projects such as subsurface drainage, permanent erosion control and roadway separation applications. Riprap can be used to stabilize slopes to prevent erosion and provide support. Geotextiles. Geotextiles have been in use for thousands of years dating back to the Egyptian Pharaohs. Check the area to be protected to ensure that the required expansion joints are in place. If necessary, order additional weep holes. Erosion Control Blankets Wattles help slow water runoff and reduce soil erosion. uuid:bc193511-b4f2-4d99-b47d-5ec173dc2f21 (For large riprap, consider a four inch layer of sand to protect the . 0000002044 00000 n 1 0 obj PDF California Bank and Shore Rock Slope Protection Design 0000012187 00000 n > More simply put, if it is made of fabric and buried in the ground it is probably a geotextile! The Difference Mirafi N-Series Nonwoven Geotextiles Make: The placement of a flexible, porous geotextile between dissimilar materials so that the integrity and intended functions of both materials remain intact or are improved. Observe closely during rock placement to detect any damage to the fabric. 0000009704 00000 n SLOPING AND BENCHING SYSTEMS - National Institute of Environmental Draw Down Device, Sediment Basin Schematic - Vert. If the rock layer is shown as 7 inches thick, comply with grading shown in the following table: If the rock layer is shown as 5 inches thick, comply with the grading shown in the following table: If the rock layer is shown as 4-inches thick, comply with grading shown in the following table: Granular material must contain at least 90 percent crushed particles when tested under California Test 205. Shop Lowe's for solutions to control erosion on slopes, as well. e&C+uPaN.%y5*>EJ9gcD,i4E|+I,b0 f)#H+E m:(B(u1b)Q%>cayKh 0SYB@RenkJ1HJ b#'mYtQS1 HU" 2`VoVsB: ~',2g(5DZsHrxUR5~4 4_ {YNjTjdV \ (aazR#;@1""(*$4"!f)G(J :t4NV]j{/mtqF*sx[%M 5%(/%(Z-F|[atK5[~{a~EwDCV:/#K)f~7*RsAnnJa>Jg-m^>\V7EOG3o?nGYIFze/l( I!&VXo]mm#7I0:EK7_LFwek 0000008354 00000 n YOU MUST NOTIFY US FABRICS BEFORE RECEIVING PRICING. For details about concrete production, review Section 4-90, Concrete, of this manual. /Type/ExtGState You can also lay bags of sand along problem areas in your landscape to keep soil from washing away and to redirect water. Woven Stabilization and Separation Geotextiles, - Dimensions & Weights for EcoTubes Geotextile Dewatering Tubes, - Dimensions & Weights for EnviroGrid Cellular Confinement, - Material Safety Data Sheet (MSDS) - Drainboard, - Material Safety Data Sheet (MSDS) - Stratagrid, - Material Safety Data Sheet (MSDS) - Envirogrid, - Product Advantages of EcoTubes Geotextile Dewatering Tube, - Product Benefits of EcoTubes Sludge Dewatering Tubes, - Product Benefits of US Fabrics' Foundation Drains, - Product Benefits of US Fabrics' Sheet Drains, Design/Installation Guidelines; Applications, - Comparing Old Style & New Style - Strata Geogrid, - French Drain Exterior Foundation Install, - Geogrid & Welded Wire Form Inside Corner Placement, - Installation Guideline for Separation Heavy Geotextile, - Installation Guideline for Separation Medium Geotextile, - Sheet Drain Exterior Foundation Install, - Theoretical Tube Volumes & Dewatering Capabilities, - Typical Cross Section - Vegetated Reinforced Soil Slope, - Equivalent Products for Composite Drains, - Volumes & Dewatering Capabilities for EcoTubes Geotextile Dewatering Tubes, - Geogrid Quality for Finished Product and Raw Materials, - Use Woven Geotextiles Instead of Geogrids, - Municipal Waste Water & Water Treatment w/ EcoTubes, - SRW (Segmental Retaining Wall) Drainage. Running Mask Near MeSocial distancing standards are . Or fastest 3. Rock Slope Protection Fabric, used in slope stabilization projects (see Technical Note on Rock Slope Protection / Rip Rap) When required by the Project Engineer, a Certificate of Compliance for each type of fabric being used should be issued by the supplier and furnished to the Engineer. When shotcrete is to be used, review Section 4-53, Shotcrete, of this manual. For details about concrete production, review Section 4-90, Concrete, of this manual. The plans will designate which type applies at each location. <> Obtain rock samples for acceptance tests. endobj Mirafi N-Series Product Description Sheet. PDF STANDARD FOR SLOPE PROTECTION STRUCTURES - Government of New Jersey endobj Links to important documents and pages can be found below the chart. 0000002336 00000 n Place a layer (six inch minimum) of Slope protection structures are to be used where concentrated water will cause excessive erosion on existing and/or recent cut and fill slopes. A Shoreline Erosion Control project would likely require fabric in the 10oz to 16oz weight range. Civil engineers and landscape architects need proven solutions to control soil erosion, stabilize slopes, enable drainage and create a visually pleasing landscape. JavaScript is required to use content on this page. Mirafi N-Series - TenCate Geosynthetics % endobj The heavier fabrics provide more strength and are less likely to tear when large class II or Class III boulders are placed on them. Natural Resources & Energy Infrastructure, Energy - Power Generation - Renewables - Solar, Energy - Power Generation - Renewables - Wind. Weight will vary based on density of rock available for the project. Check to ensure that slopes and foundation areas are graded and compacted to specified tolerances. 7 0 obj The small-rock slope protection method consists of excavating and backfilling the footing trench, placing rock slope protection fabric as shown, and placing small rocks on the slope. Project Details For EA 04-0A0204 - California Contact our sales team at 1-863-270-8118 to discuss your erosion control requirements. Lap 6'' min. Soil Stabilization Matting - Channel Application, Temp. Enter the item description of the code you wish to search for: The devices include ground covers and channel liners such as: 1. 5. At the terminals of protection, ensure the contractor is particularly careful to avoid erosion and undercutting. If using geotextile fabric, place on the smoothed foundation, overlap the edges at least 12 inches and secure with anchor pins spaced every three feet along the overlap. The maximum height of the vertica l lower portions 3.5 feet. Ensure concrete is cured by one of the specified methods. (a) Exception: US 250NW is 5 pounds short on "grab breaking load" for Sediment Filter Bags. Nonwoven Geotextile Fabrics The bid item list and plans will specify which type of slope protection is to be performed. Concrete canvas (CC) has the potential to become a widely used slope protection material owing to advantages such as flexibility, fast construction with low labor costs, and quick strength development. << (a) Exception: US 250NW is 5 pounds short on "grab breaking load" for Sediment Filter Bags. The chart below lists US Fabrics' geosynthetics meeting CALTRANS specifications. Smooth the graded foundation. Geotextiles - Feature Comparison - Hanes Geo - Leggett & Platt When evidence exists that the foundation depth is inadequate, obtain both the design and hydraulics engineers concurrence with a change order to deepen the foundation. Refer to Section 4-96, Geosynthetics, of this manual for guidelines on inspecting and accepting rock slope protection fabric. Copies of these details are made available below in both Adobe Portable Document Format(PDF) and AUTOCAD Drawing (DWG) file formats. Polypropylene is stable within a pH range of 2 to 13. Click on the to send the number to the Proven Product Track Record (Aggregate is widely accepted and approved)Wilson Quarry Products are recognized as the Industry Standard in the Monterey Bay Area, Product meets and is Certified for Army Corp Projects. To compensate for the lack of flexibility in the completed structure, ensure an adequate foundation lies below this type of protection. 1. Take care not to tear the filter fabric during installation. Without proper slope protection, a serious erosion problem known as "beaching" can develop on the upstream slope. US 160NW is a nonwoven needlepunched geotextile made of 100% polypropylene staple filaments. 2019-07-30T13:47:33-04:00 /OP true Caltrans Riprap Sizes - Plainwater Angular shaped rock may be used on any planned slope. California Department of Transportation stream These supersede the previous Caltrans Riprap Sizes. %PDF-1.4 Slope Protection consists of rock, concrete, or concreted rock or slope paving, ROCK SLOPE PROTECTION ROCK SHOULD DEMONSTRATE, THE PLACEMENT METHODS DESIGNATED BY CALTRANS, ADVANTAGES OF USING RIP RAP OR STONE PROTECTION FROM WILSON QUARRY (AROMAS), Make certain of the Product RequiredProject Service Requirements, Specifying Agency (Caltrans, Green Book, Army Corp or Other), Special Provisions addressing additional specifications, Certification Required (Submittals) Caltrans, Army Corps, other agency or engineer, Quantity Required (Specific GravityConversion Tons to Cubic Yards), Product Availability (Available when required, can handle Daily Shipping Requirements), The Reputation of your Supplier and their Products & Services, 100% Crushed Granite (Provides Superior Stability and Durability), Many different Rip Rap types available:All Caltrans Classes and Sizes, High Daily Production and Shipping Capacity (Can Handle Large & Small Jobs), Graniterock can provide delivery to your jobsite if desired. Temp. Fabric Class Class Largest rock gradation class used in slope protection 8 Classes I-VIII 10 Classes IX-XI Replace the 1st paragraph of section 73-3.028 with: Rocks for concreted-rock slope protection must comply with the gradation shown in the following table: Concreted-Rock Gradation . PDF California Bank and Shore Rock Slope Protection Design The concreted-rock slope protection method is used where large rock is not economically available in large quantities, yet a heavy, service type of protection is required. If your 20'x10' patio is to have a 6" base, then you should excavate a total area of 21' (20' +6" +6") by 11' (10' +6" +6"). 2 0 obj endobj the contract cost database using the most recent year of data. 0000008331 00000 n California - Geotextiles & DOT Specifications - US Fabrics This section provides guidelines for inspecting slope protection for work specified under Section 72, Slope Protection, of the Standard Specifications. EZw5'dr=`j+2\8:U.|V,%)~h/X8ps (You may enter part of the word or the whole phrase). Graniterock has a 101-year history of providing high quality products and service. 0000007029 00000 n Whether you're speeding down a slope or cycling uphill, the F5 can be worn in a number of ways to fit your training and needs. For Type R, F, or Common stone riprap, provide Type 2 filter fabric when shown on the plans. 4 0 obj Review contractors verification of unit weight of rock-filled gabions. Class 2 is the default Class for M288 applications. Other Names Rock Slope Protection. PDF Chapter 4 Construction Details - California Products with a are available to meet BABA (Build America, Buy America) requirements. AASHTO is typical mass of 4.1 sy/oz. This translates to a 0.75H: 1V incline and is shown below. Rock Slope Armor is a layer of rock, such as ditch lining rock, cobble rock, concrete rubble, or riprap, which is hand or mechanically placed on an erodible soil slope. Applicability Rock Slope Armor is applicable to: Slopes where unanticipated flows are encountered. RSP-fabric Type of geotextile and quality requirements per Section 96 Rock Slope Protection Fabric of the Standard Specifications. Hydraulic Design Manual: Embankment Protection - Texas Department of Details from the 2011 Maryland Standards and Specifications 2, METHOD B) (CY) (ENGMET), ROCK SLOPE PROTECTION (NO. 0000012468 00000 n (800) 518-2290, Providing the most comprehensive geosynthetic lines in the industry. 1, METHOD B) (CY), ROCK SLOPE PROTECTION (NO. construction contract standards page. Upstream Slope Protection | Association of State Dam Safety /OPM 1 Contract Cost Data Project Details. All rights reserved. Mirafi N-Series nonwovens combine high water flow rates, high soil interaction and durability while providing excellent soil particle retention. AASHTO is typical mass of 4.1 sy/oz.. Obtain initial samples and have them tested for the specified attributes. CHAPTER 5 SURFACE AND SLOPE PROTECTIVE MEASURES - Food and Agriculture Review Section 4-90, Concrete, of this manual for details about concrete production. =w (j($M/!bMbo,iDjQL1{L! 1800 Washington Blvd., Baltimore, MD 21230, Stormwater, Dam Safety, and Flood Management Home, Plan Review for State and Federal Projects. Of the various types of instability problems, foundation failures are the most serious and most common. Mirafi 1100N, 1120N and 1160N are heavy weight nonwoven geotextiles for more severe or extremely harsh conditions, such as rip-rap and revetment applications. Please enable scripts and reload this page. When slope paving with concrete pavers is specified, ensure the special provision requirements are met. Vegetation (see . To better control the contractors selection of rocks for placing, ensure the contractor paints tonnage on large rocks used in foundation construction. The Maryland General Assemblys Office of Legislative Audits operates a toll-free fraud hotline to receive allegations of fraud and/or abuse of State government resources. Also, ensure the contractor does not drop rock into place; otherwise, cracking or breaking may occur. . Technical Support available for assistance. At TenCate ourgoal is your success.
