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. 1, METHOD B) (CY), ROCK SLOPE PROTECTION (NO. Order corrective work when necessary. Check the area to be protected to ensure that the required expansion joints are in place. 1 0 obj 2. 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. Copies of these details are made available below in both Adobe Portable Document Format(PDF) and AUTOCAD Drawing (DWG) file formats. Rock riprap consists of loose rock that is dumped on the slope and distributed. Rock Slope Protection / Rip Rap - Graniterock Testing must follow the frequencies shown in Section 6-1, Sample Types and Frequencies, of this manual. There are three material gradation requirements based on required rock layer thicknesses. 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""(*$4"!f)G(J =w (j($M/!bMbo,iDjQL1{L! Shop Lowe's for solutions to control erosion on slopes, as well. Erosion control is an important element of successful slope protection. uuid:bc193511-b4f2-4d99-b47d-5ec173dc2f21 The State of Maryland pledges to provide constituents, businesses, customers, and stakeholders with friendly and courteous, timely and responsive, accurate and consistent, accessible and convenient, and truthful and transparent services. 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. Contact your local TenCate Geosynthetic representative for the proper use and specification of these products. 2, METHOD B) (TON) (ENGMET), ROCK SLOPE PROTECTION (NO. endobj Ensure that the contractor performs concrete finishing as specified and that the slope paving is cured by one of the specified methods. This article studies the mechanical properties and stability of CC slope protection by comparing it with conventional material (shotcrete). The following common types of slope protection are covered in this section: Other protective devices are used in conjunction with highway construction, and when used, they are included in the contracts special provisions. <>/Font<>>>/Fields[]>> The challenge was to construct a new taxiway over areas that were built on tidal flats and land reclaimed from Boston Harbor. If the rock contains an excess of fines or inadequate voids, the desired results may be impossible to obtain. 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. 10 0 obj Copyright 2023 TenCate Geosynthetics Americas. To provide the desired cleanliness, the contractor may need to sluice the rock or facing. endstream 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 "QamV(Z3VL> Stable rock sizes and flow depths for riprap-lined channels having gradients between 2 percent and 40 percent may 0000007029 00000 n ), Geocomposite Wall Drain (w/ 6oz on 1 or 2 sides - Please specify.). Decide whether modifications are necessary as a result of changed conditions. 7 0 obj 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. endobj endobj (b) Paving fabric specification requires a minimum mass of 4.1 sy/oz. (a) Exception: US 250NW is 5 pounds short on "grab breaking load" for Sediment Filter Bags. 0000000871 00000 n Click on the to send the number to the Test panels may be specified in the special provisions. 2 0 obj 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 Costs and Installation Tips When Building a Riprap Barrier - The Spruce {.sAewh[w#Iv#W6f" $JOPf/W%%XKK&A~b ?nfY_iu"m]HDwP) Rp Review contractors verification of unit weight of rock-filled gabions. xZrFou D[&! 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 gabion method consists of placing wire mesh box-shaped baskets filled onsite with hard, durable rocks. 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. Natural Resources & Energy Infrastructure, Energy - Power Generation - Renewables - Solar, Energy - Power Generation - Renewables - Wind. the contract cost database using the most recent year of data. 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. The chart below lists US Fabrics' geosynthetics meeting CALTRANS specifications. Vegetation (see . Enter the item description of the code you wish to search for: 4 0 obj EZw5'dr=`j+2\8:U.|V,%)~h/X8ps NTPEP Datamine Information: RG80NC is a tracking model number for the following manufacturers products: Mirafi 180NC, SKAPS GE180/GT180C or Propex 861. Method B is not restrictive with respect to the placement of individual rocks. Use 5 to 7 st PDF Facilities Development Manual Wisconsin Department of Transportation (One call ordering and delivery). requirements. The contract will identify the designated method. 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. 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. Slope protection structures are to be used where concentrated water will cause excessive erosion on existing and/or recent cut and fill slopes. 1 Contact Us Barrier Landscape Edging & Paver Edging 6'/8. Nominal RSP class by median particle diameterb Nominal median 0000009682 00000 n Civil engineers and landscape architects need proven solutions to control soil erosion, stabilize slopes, enable drainage and create a visually pleasing landscape. XYo[unHCih,(~ t@K{ y.EmvKhy?_\F6.nO?iV5FlD,#t~J7z@Al.z_ooA=H /$Q-Aav. Running Mask Near MeSocial distancing standards are . Or fastest application/pdf Properly designed slope protection and stabilization has to include two components: a vegetational-biological and a mechanical-structural component. rock slope protection (3/8 t, class vi, method b) (ton) 723060 rock slope protection (300 lb, class iv, method b) (cy) . 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. 0000014254 00000 n Be sure to consult your local project engineer or construction professional about the rock sizing and particular . Caltrans Riprap Sizes - Plainwater SLOPING AND BENCHING SYSTEMS - National Institute of Environmental 0000005681 00000 n This section provides guidelines for inspecting slope protection for work specified under Section 72, Slope Protection, of the Standard Specifications. The devices include ground covers and channel liners such as: 1. 1 0 obj Mirafi 140N is a lightweight non woven geotextile that meets AASHTO M288 Class 3 geotextiles for separation and subsurface drainage. | Conditions of Use | Privacy Policy The color shall be black unless otherwise specified in the contract documents. 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. 0000000928 00000 n Standard contract items and descriptions for Caltrans projects. PDF Chapter 4 Construction Details - California Upstream Slope Protection | Association of State Dam Safety Placement of Bedding Material 1. If you have any questions about the consistency of the gabions, you may also order the unit weight to be verified during the course of the work. This translates to a 0.75H: 1V incline and is shown below. >> The latest list of Item Codes is available from HQ {s9y^ Review Section 4-90, Concrete, of this manual for details about concrete production. They blanket the soil, protecting it from wind and water forces. %PDF-1.3 % Other Names Rock Slope Protection. Click on the to search for an item in State-furnished materials and expenses, as well as supplemental work items and descriptions. Mirafi 135N, 140NL and 140NC are lighter weight versions of Mirafi 140N . 0000002336 00000 n CHAPTER 5 SURFACE AND SLOPE PROTECTIVE MEASURES - Food and Agriculture Information reported to the hotline in the past has helped to eliminate certain fraudulent activities and protect State resources. 5. 9 0 obj If necessary, order additional weep holes. The maximum height of the vertica l lower portions 3.5 feet. PDF Riprap Slope Protection Angular shaped rock may be used on any planned slope. Please enable JavaScript in your browser. Maximum slope 1.5:1 horiz:vert, (67% or 34) or flatter, and is limited to slopes < 30' of uninterrupted length. Need quick pricing on Erosion Control Fabric? Properly designed and planted vegetative covers play . Of the various types of instability problems, foundation failures are the most serious and most common. Hydraulic Design Manual: Embankment Protection - Texas Department of 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. 3, METHOD B) (CY), ROCK SLOPE PROTECTION (NO. The heavier fabrics provide more strength and are less likely to tear when large class II or Class III boulders are placed on them. For RSP Classes IX thru XI, use Class 10 RSP-fabric. (b) Paving fabric specification requires a minimum mass of 4.1 sy/oz. The contractor must also ensure the construction of adequate returns and keys at the ends. Center splash basin . Take care not to tear the filter fabric during installation. Ensure the equipment used during spreading does not crack the rock. Review the plans for the location and number of weep holes. 99 (30% off) Best Selling Saucony Flat Mask By mrhzid $8. PDF BMP 17.00. Rock Slope Armor - Alaska >> 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. or call Click it again to reverse the order. Mirafi 180N is a moderate weight nonwoven geotextile that meets AASHTO M288 Class 1 geotextiles for separation and subsurface drainage. 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. 1800 Washington Blvd., Baltimore, MD 21230, Stormwater, Dam Safety, and Flood Management Home, Plan Review for State and Federal Projects. PDF STANDARD FOR SLOPE PROTECTION STRUCTURES - Government of New Jersey Broken-concrete slope protection consists of placing broken concrete from job site locations identified within the contract. 0000004014 00000 n 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. <> Mirafi N-Series - TenCate Geosynthetics The samples will be crushed in the laboratory to sizes needed to perform tests. The method is particularly adaptable to locations where high-velocity flow is not detrimental, but desirable, and the hydraulic efficiency of smooth surfaces is important. 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. 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. When shotcrete is to be used, review Section 4-53, Shotcrete, of this manual. 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. :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 conforming to the requirements of 710-03 Vinyl Coated Steel Fence Fabric, Class A Wire Diameter, except color. (You may enter part of the word or the whole phrase). JavaScript is required to use content on this page. 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. Inspect the rock to ensure it has been cleaned of any adhering dirt and clay and is moistened before concrete placement. 5 0 obj For maximum effect, both components must be integrally planned prior to road construction. Erosion Control Blankets Wattles help slow water runoff and reduce soil erosion. 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. Mirafi N-Series nonwovens combine high water flow rates, high soil interaction and durability while providing excellent soil particle retention. 2, METHOD B) (CY) (ENGMET), ROCK SLOPE PROTECTION (NO. PDF Riprap Revetments - Ohio Department of Natural Resources item code description; 729012 rock slope protection fabric (class 10) 729011 rock slope protection fabric (class 8) 723220 concreted-rock slope protection (1/4 t, class v, method b) (ton) Use all suitable material in the work. 3, METHOD B) (TON), STRUCTURE EXCAVATION (ROCK SLOPE PROTECTION) (ENGMET). Retaining Walls & Slope Stability RSP-fabric Type of geotextile and quality requirements per Section 96 Rock Slope Protection Fabric of the Standard Specifications. 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. 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. 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. K@^9t% OZ$Mb Ne#^/_*Zw;*T_]k. Polypropylene is stable within a pH range of 2 to 13. RSP-fabric Type of geotextile and quality requirements per Section 96 Rock Slope Protection Fabric of the Standard Specifications. Ensure that the contractor places the fabric before placing the rock slope protection. 1. Flat or needle shaped rock must not be used unless the individual rock thickness is greater than 0.33 times the length. PDF RG80NC Nonwoven Geotextile for Rock Slope Protection Class 8 Certification 1, METHOD B) (TON), ROCK SLOPE PROTECTION (NO. Mirafi N-Series Product Description Sheet. Neoloy Tough-Cells in slopes prevent erosion, enable drainage and stabilize the slope to provide a green surface cover. Title: SECTION 212 ROCK SLOPE REINFORCEMENT AND CATCHMENT SYSTEMS This information is to be used only as a guide. The finish surface must be roughened by brushing to expose rocks. % The gabions are placed on filter fabric as detailed in the plans and specifications. 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. (800) 518-2290, Providing the most comprehensive geosynthetic lines in the industry. 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 PDF California Bank and Shore Rock Slope Protection Design 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"). Draw Down Device, Sediment Basin Schematic - Vert. At TenCate ourgoal is your success. Also, ensure the contractor does not drop rock into place; otherwise, cracking or breaking may occur. endobj 6'' min. PDF BMP-041 Rock Slope Protection 4-6-12 - Tahoe BMP Intermediate, or B dimension (i.e., width) where A dimension is length, and C dimension is thickness. construction contract standards page. 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. The Standard Specifications provide two methods of placement for this type of protection: Method A and Method B. IMPLEMENTATION OF ROCK SLOPE PROTECTION (RSP) DESIGN Close observation is required during rock placement to detect any damage to the fabric. 8 0 obj stream 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. <> Protection involves constructing a heavy mass of smaller rocks bound together by concrete. Intermittent inspection of placement of slope protection, slope paving, and fabric operations. Place a layer (six inch minimum) of endobj Rock Channel Protection Paved Gutter 601.13 Basis of Payment 601.01 Description. { , IMPLEMENTATION OF ROCK SLOPE PROTECTION (RSP) DESIGN. Links to important documents and pages can be found below the chart. 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. You may check the size of rock by roughly measuring the size and converting the volume to mass. are available to meet BABA (Build America, Buy America) requirements. 0000013368 00000 n PsVPvCHWTxml4N,P>{Ur]JBV:V,iVkNm(C d3@p/J3O//.cji-+TA3 dsU)~Ds:mp7=h&X#0C]\:k`#+VW^`0 0=F5VvL(^f Riprap can be used to stabilize slopes to prevent erosion and provide support. Consult engineer to ensure applicable design requirements are met. Erosion Control Fabric | Options, Pricing and Specs California Department Of Transportation: Item Code Search