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engineering fabric pinned to the slope, or both a . (One call ordering and delivery). The method for placing rock will either be Method A or Method B, whichever the contract designates, as discussed under Section 4-7203A, Rock Slope Protection, earlier in this section. Erosion Control Fabrics featured here have been used in a wide range of applications including slope stabilization, sediment containment, runoff filtration, home protection, and vegetative regrowth. ), Geocomposite Wall Drain (w/ 6oz on 1 or 2 sides - Please specify.). 0000011079 00000 n For combination slope/bench systems in TYPE A soil and a trench depth of less than 8 feet, the steepest maximum allowable slope is 53 degrees from the horizontal. 0000009704 00000 n 0000002336 00000 n 0000002313 00000 n Erosion Control Blankets Wattles help slow water runoff and reduce soil erosion. 2019-07-30T13:44:04-04:00 1 0 obj Fabric used for rock slope protection, temporary construction roadways, separation, stabilization, reinforcement, drainage, and erosion control. Weight will vary based on density of rock available for the project. This article studies the mechanical properties and stability of CC slope protection by comparing it with conventional material (shotcrete). <>/Metadata 7 0 R/OpenAction 8 0 R/Outlines 110 0 R/PageLayout/SinglePage/PageMode/UseOutlines/Pages 11 0 R/StructTreeRoot 137 0 R/Type/Catalog/ViewerPreferences<>>> @>|0fWp^,Y/T!*gprE."8hjjJ7kUfmYxTsX"CfU2TL]Gdb_Kg,GA/`U)H!hkJARD[R` Use the size and composition of yarn that is recommended by the fabric manufacturer. (You may enter part of the word or the whole phrase). Also, ensure the contractor does not drop rock into place; otherwise, cracking or breaking may occur. This translates to a 0.75H: 1V incline and is shown below. The devices include ground covers and channel liners such as: 1. 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. At the terminals of protection, ensure the contractor is particularly careful to avoid erosion and undercutting. Mirafi 1100N, 1120N and 1160N are heavy weight nonwoven geotextiles for more severe or extremely harsh conditions, such as rip-rap and revetment applications. Use 5 to 7 st Contact Us For details about concrete production, review Section 4-90, Concrete, of this manual. /Filter/FlateDecode The chart below lists US Fabrics' geosynthetics meeting CALTRANS specifications. 3, METHOD B) (TON), STRUCTURE EXCAVATION (ROCK SLOPE PROTECTION) (ENGMET). All items. Ensure concrete is cured by one of the specified methods. PsVPvCHWTxml4N,P>{Ur]JBV:V,iVkNm(C d3@p/J3O//.cji-+TA3 dsU)~Ds:mp7=h&X#0C]\:k`#+VW^`0 0=F5VvL(^f %PDF-1.4 % You can also lay bags of sand along problem areas in your landscape to keep soil from washing away and to redirect water. trailer << /Size 489 /Info 438 0 R /Root 464 0 R /Prev 989742 /ID[<23d8c9b814a334ef8bf252da6b923edc><23d8c9b814a334ef8bf252da6b923edc>] >> startxref 0 %%EOF 464 0 obj << /Pages 445 0 R /Type /Catalog >> endobj 487 0 obj << /S 1440 /Filter /FlateDecode /Length 488 0 R >> stream Click on the to send the number to the For measurement and payment, do the following: Chapter 1 - Caltrans Construction Organization, CalOES: Power Outage and Fire Recovery Resources. | Conditions of Use | Privacy Policy 1800 Washington Blvd., Baltimore, MD 21230, Stormwater, Dam Safety, and Flood Management Home, Plan Review for State and Federal Projects. TAR_%R5Wa%*x4ux-x5d1c iU:v9b!KXGcFK 1fN2 t K! Rock Slope Protection practice is intended for slopes too unstable for revegetation practices alone. with a minimum of 50% of the stones . Method B is not restrictive with respect to the placement of individual rocks. <>stream US Fabrics is proud to serve the geotextile needs of the State of Califronia, including: Los Angeles, San Diego, San Jose, San Francisco, Fresno, Sacramento, Long Beach, Oakland, Bakersfield, Anaheim, Santa Ana, Riverside, Stockton, Chula Vista, Fremont, Irvine, San Bernardino, Modesto, Oxnard, Fontana, Moreno Valley, Glendale, Huntington Beach, Santa Clarita, Garden Grove, Santa Rosa, Oceanside, Rancho Cucamonga, Ontario, Lancaster, Elk Grove, Palmdale, Corona, Salinas, Pomona, Torrance, Hayward, Escondido, Sunnyvale, Pasadena, Fullerton, Orange, Thousand Oaks, Visalia, Simi Valley, Concord, Roseville, Santa Clara, Vallejo, Victorville, El Monte, Berkeley, Downey, Costa Mesa, Inglewood, Ventura, West Covina, Norwalk, Carlsbad, Fairfield, Richmond, Murrieta, Burbank, Antioch, Daly City, Temecul and all other areas of California. Our TerraTex brand offers full-spectrum performance delivery - groundwater filtration and drainage, soil separation and reinforcement, geomembrane protection, sprayed liner substrate, oil-and-gas industry drilling pad and access-road enhancement, as well as pavement overlay and bond-breaker applications. The gabion method consists of placing wire mesh box-shaped baskets filled onsite with hard, durable rocks. Class 2 is the default Class for M288 applications. cIP=L ?L-o'OfE;9'WgIBdysw>vOo#g 8L3f*7Mnd*3cdLy&v~;6s8;)9Q"SE8a+3/>svm^}+7Ea8IG01nY5y7mxJ]X9sGjv][ppYdv r=0EVPTO(Xam -j9 WYY5:F"l9o&l:dyg^0GXoZgm[\H2#RrlXpZd`CAlwE.Sz.BuTiqT;E@m3I~`km&yeF Polypropylene is stable within a pH range of 2 to 13. FDM 10-10-3 Rock Channel Protection Paved Gutter 601.13 Basis of Payment 601.01 Description. 6 0 obj Without proper slope protection, a serious erosion problem known as "beaching" can develop on the upstream slope. %PDF-1.3 % XYo[unHCih,(~ t@K{ y.EmvKhy?_\F6.nO?iV5FlD,#t~J7z@Al.z_ooA=H /$Q-Aav. conforming to the requirements of 710-03 Vinyl Coated Steel Fence Fabric, Class A Wire Diameter, except color. US 160NW is a nonwoven needlepunched geotextile made of 100% polypropylene staple filaments. 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 . Review contractors verification of unit weight of rock-filled gabions. % endobj Temporary structures shall be left in place until adequate vegetation and the permanent . > To compensate for the lack of flexibility in the completed structure, ensure an adequate foundation lies below this type of protection. If you have any questions or would like to learn more, please contact us. Flat or needle shaped rock must not be used unless the individual rock thickness is greater than 0.33 times the length. 0000000928 00000 n Standard contract items and descriptions for Caltrans projects. Angular shaped rock may be used on any planned slope. 3 0 obj (see Riprap Slope Protection Worksheet). endobj Class E Revetment Erosion Stone or Class E Revetment Erosion Stone or A A Engineering Fabric Ditch Bottom 2' 2' Anchor Slot W 6'' min. Slope protection is usually needed to protect the upstream slope against erosion due to wave action. BMP040 "rock slope protection (no fabric)" as applicable. The Standard Specifications provide two methods of placement for this type of protection: Method A and Method B. Review Section 4-90, Concrete, of this manual for details about concrete production. Shop Lowe's for solutions to control erosion on slopes, as well. endobj 2. This has been superseded by Caltrans New Riprap Classes. Before placement of the broken concrete, inspect the material and be sure the reinforcement has been removed flush to the surface of concrete. You may check the size of rock by roughly measuring the size and converting the volume to mass. 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. For details about concrete production, review Section 4-90, Concrete, of this manual. 2 0 obj Manufacturers information can be found at: Geosynthetic Bond Breaker (Call for product. Refer to Section 4-96, Geosynthetics, of this manual for guidelines for inspecting and accepting rock slope protection fabric. For RSP Classes I thru VIII, use Class 8 RSP-fabric which has lower weight per unit area and it also has lower toughness (tensile x elongation, both at break) than Class 10 RSP-fabric. (a) Exception: US 250NW is 5 pounds short on "grab breaking load" for Sediment Filter Bags. C-15 Permeable rock jetties (fish habitat structures) C-8 C-16 Close-up of permeable rock jetty C-8 C-17 RSP tied to solid rock outcrop, natural impermeable retard (jetty) C-9 C-18 Soil-filled voids, natural vegetation C-9 C-19 Channel cut through deposited beach sand C-10 C-20 Layers of deposited sand C-10 Decide whether an adequate number has been provided for the particular installation. When slope protection is paid by weight, refer to the discussion of weighing and metering procedures in Section 3-902E, Weighing Equipment and Procedures, of this manual. 0000014231 00000 n These products can be used in areas where they meet the local agency requirements. The contractor must also ensure the construction of adequate returns and keys at the ends. Soil Stabilization Matting - Slope Application, Clear Water Pipe Through Silt Fence/Super Silt Fence, Temporary Stone Outlet Structure (1 of 2, PDF only), Temporary Stone Outlet Structure (2 of 2, PDF only), Temporary Gabion Outlet Structure (1 of 2, PDF only), Temporary Gabion Outlet Structure (2 of 2, PDF only), Standard Inlet Protection (1 of 2, PDF only), Standard Inlet Protection (2 of 2, PDF only), Combination Inlet Protection (1 of 2, PDF only), Combination Inlet Protection (2 of 2, PDF only), Pipe Outlet Sediment Trap ST-I (1 of 3, PDF only), Pipe Outlet Sediment Trap ST-I (2 of 3, PDF only), Pipe Outlet Sediment Trap ST-I (3 of 3, PDF only), Stone/Riprap Outlet Sediment Trap ST-II (1 of 3, PDF only), Stone/Riprap Outlet Sediment Trap ST-II (2 of 3, PDF only), Stone/Riprap Outlet Sediment Trap ST-II (3 of 3, PDF only), Riprap Outlet Sediment Trap ST-III (1 of 3, PDF only), Riprap Outlet Sediment Trap ST-III (2 of 3, PDF only), Riprap Outlet Sediment Trap ST-III (3 of 3, PDF only), Concentric Trash Rack and Anti-Vortex Device (1 of 2, PDF only), Concentric Trash Rack and Anti-Vortex Device (2 of 2, PDF only), Types of Couplers for Corrugated Steel Pipe, Sediment Basin Schematic - Horiz. The maximum height of the vertica l lower portions 3.5 feet. California Department of Transportation Geotextiles have been in use for thousands of years dating back to the Egyptian Pharaohs. More simply put, if it is made of fabric and buried in the ground it is probably a geotextile! the contract cost database using the most recent year of data. The challenge was to construct a new taxiway over areas that were built on tidal flats and land reclaimed from Boston Harbor. RSP-fabric Type of geotextile and quality requirements per Section 96 Rock Slope Protection Fabric of the Standard Specifications. 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. Properly designed and planted vegetative covers play When slope protection is paid by volume, review the plans and quantity calculations in the resident engineers file to determine if there is sufficient detail and accuracy to be used in the project records. Intermittent inspection of placement of slope protection, slope paving, and fabric operations. The equilibrium soil-to-geotextile system that allows for adequate movement of a liquid across the plane of the geotextile with limited soil loss over the service lifetime of the application. Other Names Rock Slope Protection. When slope paving with concrete pavers is specified, ensure the special provision requirements are met. 0000004014 00000 n In 2007, the FAA approved construction of a new center field taxiway (Taxiway Mike) to alleviate airfield congestion. Verify the types of measurements and records necessary to support payment for the work. 9 0 obj 0000014254 00000 n Keep records up to date. Vegetation (see . concreted-rock slope protection (1/2 t, class vii, method b) (ton) 723215 concreted-rock slope protection (1/4 t, class v, method b) (cy) 723220 concreted-rock slope protection (1/4 t, class v, method b) (ton) 729011 rock slope protection fabric (class 8) 729012 rock slope protection fabric (class 10) 750020 rigid rail fall protection system Review the plans for the location and number of weep holes. Soil Stabilization Matting - Channel Application, Temp. 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. =w (j($M/!bMbo,iDjQL1{L! Copies of these details are made available below in both Adobe Portable Document Format (PDF) and AUTOCAD Drawing (DWG) file formats. This handbook includes new and revised details for the various practices that are used in the development of erosion and sediment control plans. 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. TenCate develops and produces materials that function to increase performance, reduce costs and deliver measurable results by working with our customers to provide advanced solutions. Be sure to consult your local project engineer or construction professional about the rock sizing and particular . Resident engineers should be familiar with the material contained in Chapters 870, Bank ProtectionErosion Control, and 880, "Shore Protection," of the Highway Design Manual. Contract Cost Data Project Details. A Shoreline Erosion Control project would likely require fabric in the 10oz to 16oz weight range. They blanket the soil, protecting it from wind and water forces. Place a highly permeable and appro-priately sized geotextile filter fabric on the prepared slope following the manufacturer's recommendations. Copyright 2023 TenCate Geosynthetics Americas. Smooth the graded foundation. Refer to Section 6-202, Responsibilities for Acceptance of Manufactured or Fabricated Materials and Products, of this manual for additional information. 0000009682 00000 n endstream Mirafi 180N is a moderate weight nonwoven geotextile that meets AASHTO M288 Class 1 geotextiles for separation and subsurface drainage. For Type R, F, or Common stone riprap, provide Type 2 filter fabric when shown on the plans. <> Of the various types of instability problems, foundation failures are the most serious and most common. %PDF-1.4 We're available on the following channels. endobj Otherwise, placement could result in what is known as rockers or unstable rocks. Temp. Use all suitable material in the work. If there are no prevailing agency specifications, it is recommended to follow AASHTO M288 for subsurface drainage applications. 0000007052 00000 n 1, METHOD B) (CY), ROCK SLOPE PROTECTION (NO. Links to important documents and pages can be found below the chart. 1, METHOD B) (TON), ROCK SLOPE PROTECTION (NO. There are three material gradation requirements based on required rock layer thicknesses. Rock grading and quality requirements per Standard Specifications. or call KEwAx{N*$J }COpU?s{bs. Mirafi N-Series Product Description Sheet. Rock mesh slope protection is a technique to control rockfalls . Mirafi 160N is a lightweight nonwoven geotextile that meet AASHTO M288 Class 2 geotextiles for separation and subsurface drainage. xZrFou D[&! 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. endobj Provide filter fabric in accordance with DMS-6200, Filter Fabric. For protection stone riprap, provide Type 2 filter fabric unless otherwise shown on the plans. 1 0 obj In making such a decision, observe the following: Take pictures to document existing conditions and verify that Form CEM-3101, Notice of Materials to Be Used, includes the materials for slope protection. The Maryland Department of the Environment (MDE)recentlyadopted the 2011 Maryland Standards and Specifications for Soil Erosion and Sediment Control. Enter the item description of the code you wish to search for: 0000005681 00000 n There are three material gra requirements based on required rock layer dation thicknesses. Geotextiles. If extensive slope protection problems are anticipated or encountered during construction, refer these to the design engineer and the project manager, who may in turn obtain the advice of the Caltrans Bank and Shore Protection Committee.. 0000013368 00000 n 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. 2, METHOD B) (TON) (ENGMET), ROCK SLOPE PROTECTION (NO. 4-7203C Small-Rock Slope Protection 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. The equilibrium soil-to-geotextile system that allows for adequate movement of a liquidin the plane of the geotextile over the service lifetime of the application. When specified, ensure coloring is added to the concrete. Method A is used where the stability of the rock slope protection is considerably dependent on the manner in which the individual rocks are placed. 0000002044 00000 n Any springs or water courses that might affect the stability of the design. Information reported to the hotline in the past has helped to eliminate certain fraudulent activities and protect State resources. 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. At the start of gabion placement, require the contractor to verify the minimum unit weight of the gabions to ensure it meets specifications. Maximum slope 1.5:1 horiz:vert, (67% or 34) or flatter, and is limited to slopes < 30' of uninterrupted length. All rights reserved. Observe closely during rock placement to detect any damage to the fabric. 0000015681 00000 n Draw Down Device, Sediment Basin Schematic - Vert. The method for placing rock will either be Method A or Method B, whichever the contract designates, as discussed in Section 4-7203A, Rock Slope Protection, of this manual. If excess concrete remains on the surface, the finished product, when used in streams, will be too smooth and, along the protection, velocities will increase beyond those intended during design. 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""(*$4"!f)G(J For maximum effect, both components must be integrally planned prior to road construction. For RSP Classes I thru VIII, use Class 8 RSP-fabric which has lower weight per unit area and it also has lower toughness (tensile x elongation, both at break) than Class 10 RSP-fabric. Chapter 4: Construction Details, Section 72: Slope Protection, Direction of flow and angle of impingement at various water stages, Capability of adjacent soil types to resist erosion from wash and eddy currents. Decide whether modifications are necessary as a result of changed conditions. endobj Riprap is a permanent layer of large, angular stone, cobbles, or boulders typically used to armor, stabilize, and protect the soil surface against erosion and scour in areas of concentrated flow or wave energy. mum slope of two feet of horizontal distance for one foot of vertical rise. Ensure that the contractor performs concrete finishing as specified and that the slope paving is cured by one of the specified methods. endobj Neoloy Tough-Cells in slopes prevent erosion, enable drainage and stabilize the slope to provide a green surface cover. GHnBc__'h1'u]SO0P+R&yGeJ$FP?cSp28 1}9AQ #T6Bc*)_vU"]T hY# The contract will identify the designated method. <>/XObject<>/Properties<>>>>>/Rotate 0/StructParents 0/Tabs/S/Type/Page>> At TenCate ourgoal is your success. Products with a are available to meet BABA (Build America, Buy America) requirements. 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. Soil Stabilization Matting - Slope Application, Perm. When rock slope protection fabric is required for either method, ensure the contractor places the fabric before placing the rock slope protection. Angular shaped rock may be used on any planned slope. 0000009975 00000 n Natural Resources & Energy Infrastructure, Energy - Power Generation - Renewables - Solar, Energy - Power Generation - Renewables - Wind. Broken-concrete slope protection consists of placing broken concrete from job site locations identified within the contract. Mirafi 135N, 140NL and 140NC are lighter weight versions of Mirafi 140N . (800) 518-2290, Providing the most comprehensive geosynthetic lines in the industry. Inspect the rock to ensure it has been cleaned of any adhering dirt and clay and is moistened before concrete placement. Type R. Use stones between 50 and 250 lb. 0000002021 00000 n Check the area to be protected to ensure that the required expansion joints are in place. HToL[U?Ayb:V;%Y48{RMLIlq&+J[mNN?J;A? Barrier Landscape Edging & Paver Edging 6'/8. 463 0 obj << /Linearized 1 /O 465 /H [ 928 1116 ] /L 999132 /E 15929 /N 109 /T 989753 >> endobj xref 463 26 0000000016 00000 n It consists of a layer of very large stones interlocked together and acts as a barrier on slopes that are unstable because of seepage problems or in areas that are receiving a large concentrated flow.