0000015681 00000 n PDF BMP-041 Rock Slope Protection 4-6-12 - Tahoe BMP When specified, ensure coloring is added to the concrete. Of the various types of instability problems, foundation failures are the most serious and most common. Flat or needle shaped rock must not be used unless the individual rock thickness is greater than 0.33 times the length. Rock grading and quality requirements per Standard Specifications. 1, METHOD B) (CY), ROCK SLOPE PROTECTION (NO. Copyright Maryland.gov. 8 0 obj Nonwoven Geotextile Fabrics Copyright 2023 TenCate Geosynthetics Americas. Keep records up to date. 2 0 obj Observe construction to ensure the contractor does the placing, finishing, and curing as specified. TAR_%R5Wa%*x4ux-x5d1c iU:v9b!KXGcFK 1fN2 t K! Maximum slope 1.5:1 horiz:vert, (67% or 34) or flatter, and is limited to slopes < 30' of uninterrupted length. To ensure the success of Method A, ensure that the bearing of rocks from one to the other follows specifications and that the use of chinking rocks is limited to filling voids. Caltrans New Riprap Classes - Plainwater Mirafi 160N is a lightweight nonwoven geotextile that meet AASHTO M288 Class 2 geotextiles for separation and subsurface drainage. The contractor must also ensure the construction of adequate returns and keys at the ends. If necessary, order additional weep holes. Without proper slope protection, a serious erosion problem known as "beaching" can develop on the upstream slope. Ensure the equipment used during spreading does not crack the rock. 0000004014 00000 n Cold storms bringing wind, rain and low-elevation snow heavy at times are forecast through early March. To provide the desired cleanliness, the contractor may need to sluice the rock or facing. Soil Stabilization Matting - Slope Application, Perm. Any springs or water courses that might affect the stability of the design. 2019-07-30T13:47:33-04:00 Placement of Bedding Material 1. California Department of Transportation with a minimum of 50% of the stones . Links to important documents and pages can be found below the chart. (800) 518-2290, Providing the most comprehensive geosynthetic lines in the industry. - Shoreline Protection with EcoTubes&trade; CALTRANS does not have an APL/QPL for fabrics. . Thishandbook includes new and revised details for the various practices that are used in the development of erosion and sediment control plans. Please enable scripts and reload this page. California Department Of Transportation: Item Code Search Slopes & Walls | Geofabrics Geotextiles have been in use for thousands of years dating back to the Egyptian Pharaohs. FDM 10-10-3 California Department Of Transportation: Item Code Search 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. 1 PDF RG80NC Nonwoven Geotextile for Rock Slope Protection Class 8 Certification If you have any questions or would like to learn more, please contact us. 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. endstream The plans indicate the minimum depths of foundations. % Contract Cost Data Project Details. Click on the to send the number to the << 0000012187 00000 n Ensure the timber spacers are of the required material and spaced as planned. Your search for great running gear starts and ends with us. Flat or needle shaped rock must not be used unless the individual rock thickness is greater than 0.33 times the length. Erosion prevention practices - Riprap - Minnesota Stormwater Manual 0000008331 00000 n Caltrans Riprap Sizes - Plainwater SLOPING AND BENCHING SYSTEMS - National Institute of Environmental We're available on the following channels. Enter the item description of the code you wish to search for: For measurement and payment, do the following: Chapter 1 - Caltrans Construction Organization, CalOES: Power Outage and Fire Recovery Resources. <> Lap 6'' min. There are three material gradation requirements based on required rock layer thicknesses. Chapter 4: Construction Details, Section 72: Slope Protection When placing rocks, the contractor should ensure each placed rock is stable and not dependent on the one on top to hold it in place. At the start of gabion placement, require the contractor to verify the minimum unit weight of the gabions to ensure it meets specifications. A Shoreline Erosion Control project would likely require fabric in the 10oz to 16oz weight range. Riprap is typically placed along graded ditch, channel, and shoreline banks over geotextile, which prevents erosional undercutting. Ensure concrete is cured by one of the specified methods. PDF Facilities Development Manual Wisconsin Department of Transportation | Conditions of Use | Privacy Policy Place a highly permeable and appro-priately sized geotextile filter fabric on the prepared slope following the manufacturer's recommendations. XYo[unHCih,(~ t@K{ y.EmvKhy?_\F6.nO?iV5FlD,#t~J7z@Al.z_ooA=H /$Q-Aav. K@^9t% OZ$Mb Ne#^/_*Zw;*T_]k. 0000000871 00000 n Center splash basin . (b) Paving fabric specification requires a minimum mass of 4.1 sy/oz. 0000007029 00000 n DM[2TI=lGQx7 UoFK1: V;39LFOr7LxPF{BL3he6X^@v[QhWiF!l3F) RTIBfx0.T F%n3h80Q,`[2xa%VLP /WD@j rK .9{N[#o/Fad#OK6YeqsyHl2M)V]/Nf(V?!1Oaw)fM 8JG)31m. 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. PsVPvCHWTxml4N,P>{Ur]JBV:V,iVkNm(C d3@p/J3O//.cji-+TA3 dsU)~Ds:mp7=h&X#0C]\:k`#+VW^`0 0=F5VvL(^f GHnBc__'h1'u]SO0P+R&yGeJ$FP?cSp28 1}9AQ #T6Bc*)_vU"]T hY# The concrete slope protection method consists of paving the embankment with portland cement concrete. On a cut slope, this could be due to . Mirafi 1100N, 1120N and 1160N are heavy weight nonwoven geotextiles for more severe or extremely harsh conditions, such as rip-rap and revetment 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 0000000928 00000 n 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. 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. <>stream << Consult engineer to ensure applicable design requirements are met. Graniterock has a 101-year history of providing high quality products and service. Caltrans requires the use of these new RSP gradations starting August 1st, 2016 in new projects and those not yet at 30 percent PS&E stage. 1 0 obj Geofabrics offers a range of engineered slope, embankment and retaining wall solutions of use in transport infrastructure projects. RSP-fabric Type of geotextile and quality requirements per Section 96 Rock Slope Protection Fabric of the Standard Specifications. /OPM 1 Details from the 2011 Maryland Standards and Specifications (a) Exception: US 250NW is 5 pounds short on "grab breaking load" for Sediment Filter Bags. The best slope protection type for a given situation depends on the conditions where the installation is to be made, availability of protection material, cost of the various types, and protection desired. +NXR!ft]l|\P2. mum slope of two feet of horizontal distance for one foot of vertical rise. 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. Properly designed and planted vegetative covers play When changes are made, maintain records of details, depths, heights, and other dimensions, and enter these on the as-built plans. endobj Title: SECTION 212 ROCK SLOPE REINFORCEMENT AND CATCHMENT SYSTEMS Fabric must be RSP fabric that complies with the class shown in the following table: Rock must be cobble, gravel, crushed gravel, crushed rock, or any combination of these. Benchmark inspection of sampling and testing of rocks. 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. At TenCate ourgoal is your success. Stable rock sizes and flow depths for riprap-lined channels having gradients between 2 percent and 40 percent may Retaining Walls & Slope Stability <>/XObject<>/Properties<>>>>>/Rotate 0/StructParents 0/Tabs/S/Type/Page>> %PDF-1.3 % The maximum height of the vertica l lower portions 3.5 feet. Order corrective work when necessary. endobj 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 Erosion control is an important element of successful slope protection. PDF Riprap Slope Protection 5 0 obj 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. 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. You may check the size of rock by roughly measuring the size and converting the volume to mass. 2019-07-30T13:47:33-04:00 Close observation is required during rock placement to detect any damage to the fabric. xZrFou D[&! 0000013346 00000 n All items. Slope paving is a broader term that covers a variety of methods for paving slopes, including colored slope paving, exposed aggregate slope paving, and slope paving with concrete pavers. "QamV(Z3VL> FHWA - Center for Local Aid Support - Publications To compensate for the lack of flexibility in the completed structure, ensure an adequate foundation lies below this type of protection. endobj Before construction of any type of slope protection, review the plans, Standard Specifications, special provisions, any pertinent preliminary test data, and the location of the installation. Project Details For EA 04-0A0204 ITEM NUMBER 729011 ROCK SLOPE PROTECTION FABRIC (CLASS 8) Bid Opening Date (mm-dd-yyyy): 04-21-2021 District-County-Route-Postmile: 04-SON-1-R15./R15.7 Quantity: 220 SQYD Unit Price: $21.50 Total Price: Type of work: REALIGN ROADWAY The bid item list and plans will specify which type of slope protection is to be performed. <>/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<>>> /Filter/FlateDecode Copies of these details are made available below in both Adobe Portable Document Format (PDF) and AUTOCAD Drawing (DWG) file formats. Soil Stabilization Matting - Channel Application, Temp. Contact our sales team at 1-863-270-8118 to discuss your erosion control requirements. They are designed to protect against raveling-type rockfall that involves small-volume slope failures (up to about 7.6 m3 or 10 yd3) or blocks up to 1.5 m (5 ft), depending on the strength of the mesh used (Muhunthan et al. com routes make excellent running trails for serious runners and casual joggers, alike. 0000008354 00000 n State-furnished materials and expenses, as well as supplemental work items and descriptions. >> (You may enter part of the word or the whole phrase). More simply put, if it is made of fabric and buried in the ground it is probably a geotextile! This handbook includes new and revised details for the various practices that are used in the development of erosion and sediment control plans. 9 0 obj endobj 2, METHOD B) (CY) (ENGMET), ROCK SLOPE PROTECTION (NO. 0000004037 00000 n endobj 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. Before placement of the broken concrete, inspect the material and be sure the reinforcement has been removed flush to the surface of concrete. Mirafi 180N is a moderate weight nonwoven geotextile that meets AASHTO M288 Class 1 geotextiles for separation and subsurface drainage. For details about concrete production, review Section 4-90, Concrete, of this manual. Natural Resources & Energy Infrastructure, Energy - Power Generation - Renewables - Solar, Energy - Power Generation - Renewables - Wind. Upstream Slope Protection | Association of State Dam Safety Suggested levels of inspection for slope protection activities are: Ensure the contractor is actively performing quality control on placing slope protection and slope paving throughout the operations. <> 3, METHOD B) (CY), ROCK SLOPE PROTECTION (NO. 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. 1 0 obj =w (j($M/!bMbo,iDjQL1{L! 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. Ensure that rocks of the specified sizes and shapes are being used. endobj For details about concrete production, review Section 4-90, Concrete, of this manual. Erosion Control Blankets Wattles help slow water runoff and reduce soil erosion. 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. Take the following steps when inspecting the work and materials for slope protection: In addition to the general functions discussed above, the following items apply to specific types of slope protection. 1. 7 0 obj For maximum effect, both components must be integrally planned prior to road construction. Refer to Section 6-202, Responsibilities for Acceptance of Manufactured or Fabricated Materials and Products, of this manual for additional information. 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. /OP true JavaScript is required to use content on this page. PDF STANDARD FOR SLOPE PROTECTION STRUCTURES - Government of New Jersey Vegetation (see . 0000005658 00000 n 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 2. All rights reserved. If the fabric is joined by stitched seams, stitch with contrasting colored yarn. Test panels may be specified in the special provisions. To respond to the different problems associated with instability of rock faces, Geofabrics also has a broad range of independently verified rockfall mitigation systems. 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. The Standard Specifications provide two methods of placement for this type of protection: Method A and Method B. This article studies the mechanical properties and stability of CC slope protection by comparing it with conventional material (shotcrete). IMPLEMENTATION OF ROCK SLOPE PROTECTION (RSP) DESIGN A geotextile is typically defined as any permeable textile material used to increase soil stability, provide erosion control or aid in drainage. The plans will designate which type applies at each location. This translates to a 0.75H: 1V incline and is shown below. 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. Costs and Installation Tips When Building a Riprap Barrier - The Spruce When rock slope protection fabric is required for either method, ensure the contractor places the fabric before placing the rock slope protection. the contract cost database using the most recent year of data. Slope protection structures are to be used where concentrated water will cause excessive erosion on existing and/or recent cut and fill slopes. Ensure that the contractor performs concrete finishing as specified and that the slope paving is cured by one of the specified methods. Shop Lowe's for solutions to control erosion on slopes, as well. Transportation Specifications Section 96-1.02I for Rock Slope Protection Fabric, Class 8, nonwoven geotextile. US 160NW resists ultraviolet and biological deterioration, rotting, naturally encountered basics and acids. Testing must follow the frequencies shown in Section 6-1, Sample Types and Frequencies, of this manual. If the rock contains an excess of fines or inadequate voids, the desired results may be impossible to obtain. 2005), although maintenance considerations may serve to reduce this maximum size. 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 gabions are placed on filter fabric as detailed in the plans and specifications. AASHTO is typical mass of 4.1 sy/oz. The gabion method consists of placing wire mesh box-shaped baskets filled onsite with hard, durable rocks. Source: Caltran Highway Design Manual, Chapter 870 Where applicable, inspect the footing areas and foundations for evidence of instability or areas where hydrostatic pressures may develop. endobj If the slope is steeper than 2:1, do not use rounded boulders and cobbles. Nominal RSP class by median particle diameterb Nominal median For Type R, F, or Common stone riprap, provide Type 2 filter fabric when shown on the plans. Also, ensure the contractor does not drop rock into place; otherwise, cracking or breaking may occur. Geotextiles - Feature Comparison - Hanes Geo - Leggett & Platt These supersede the previous Caltrans Riprap Sizes. Inspect the rock to ensure it has been cleaned of any adhering dirt and clay and is moistened before concrete placement. Rock Slope Protection practice is intended for slopes too unstable for revegetation practices alone. ITEM 601 SLOPE AND CHANNEL PROTECTION - Pages Contact Us Start by choosing whether your patio is a **single rectangle** or if it has a different shape, in which case you. Rock Channel Protection Paved Gutter 601.13 Basis of Payment 601.01 Description. 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 Decide whether modifications are necessary as a result of changed conditions. Draw Down Device, Temporary Access Bridge (1 of 2, PDF only), Temporary Access Bridge(2 of 2, PDF only), Temporary Access Culvert (1 of 2, PDF only), Temporary Access Culvert (2 of 2, PDF only), Onsite Concrete Washout Structure (1 of 2, PDF only), Onsite Concrete Washout Structure (2 of 2, PDF only), If you are experiencing difficulty accessing these details or if there are anyquestions, please contact the Sediment, Stormwater & Dam Safety Program at (410) 537-3543 or by email (Amanda.Malcolm@maryland.gov, National Human Trafficking Hotline - 24/7 Confidential.