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 When slope paving with concrete pavers is specified, ensure the special provision requirements are met. 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. rock slope protection fabric (class 8) 591200 rock stain: 780450 rock stain: 720110 small-rock slope protection: 192032 structure excavation (rock slope protection) (engmet) 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. 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) The samples will be crushed in the laboratory to sizes needed to perform tests. Decide whether an adequate number has been provided for the particular installation. RG12N Nonwoven Geotextile with a 300 lbs grab tensile strength and a flow rate of 65 gallons a minute per square foot. Slope protection structures are to be used where concentrated water will cause excessive erosion on existing and/or recent cut and fill slopes. Review Section 4-90, Concrete, of this manual for details about concrete production. Click on the to search for an item in com routes make excellent running trails for serious runners and casual joggers, alike. Properly designed slope protection and stabilization has to include two components: a vegetational-biological and a mechanical-structural component. Copyright 2023 TenCate Geosynthetics Americas. Slope protection is usually needed to protect the upstream slope against erosion due to wave action. If you have any questions or would like to learn more, please contact us. Angular shaped rock may be used on any planned slope. The Standard Specifications provide two methods of placement for this type of protection: Method A and Method B. 2 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 Protection involves constructing a heavy mass of smaller rocks bound together by concrete. This work consists of protecting slopes, channels, and gutters with riprap, interlock precast concrete blocks, concrete, grouted items, tied concrete block mats, crushed aggregate, or rock items. 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. Draw Down Device, Sediment Basin Schematic - Vert. To provide the desired cleanliness, the contractor may need to sluice the rock or facing. endobj Smooth the graded foundation. 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 0000002021 00000 n @>|0fWp^,Y/T!*gprE."8hjjJ7kUfmYxTsX"CfU2TL]Gdb_Kg,GA/`U)H!hkJARD[R` <>stream Erosion control is an important element of successful slope protection. 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. 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. Soil Stabilization Matting - Slope Application, Perm. Ensure the timber spacers are of the required material and spaced as planned. For details about concrete production, review Section 4-90, Concrete, of this manual. Mirafi 180N is a moderate weight nonwoven geotextile that meets AASHTO M288 Class 1 geotextiles for separation and subsurface drainage. endobj uuid:bc193511-b4f2-4d99-b47d-5ec173dc2f21 Shop Lowe's for solutions to control erosion on slopes, as well. Class 2 is the default Class for M288 applications. There are three material gradation requirements based on required rock layer thicknesses. 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. %PDF-1.4 % Of the various types of instability problems, foundation failures are the most serious and most common. When exposed aggregate slope paving is specified, ensure any concrete set retarders are used in accordance with manufacturer instructions. Ensure that the contractor places the fabric before placing the rock slope protection. 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. The gabion method consists of placing wire mesh box-shaped baskets filled onsite with hard, durable rocks. 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. The heavier fabrics provide more strength and are less likely to tear when large class II or Class III boulders are placed on them. Civil engineers and landscape architects need proven solutions to control soil erosion, stabilize slopes, enable drainage and create a visually pleasing landscape. Ensure concrete is cured by one of the specified methods. Inspect the rock to ensure it has been cleaned of any adhering dirt and clay and is moistened before concrete placement. We're available on the following channels. "QamV(Z3VL> <>/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<>>> <>/Font<>>>/Fields[]>> YOU MUST NOTIFY US FABRICS BEFORE RECEIVING PRICING. Transportation Specifications Section 96-1.02I for Rock Slope Protection Fabric, Class 8, nonwoven geotextile. 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. Close observation is required during rock placement to detect any damage to the fabric. All rights reserved. Refer to Section 6-202, Responsibilities for Acceptance of Manufactured or Fabricated Materials and Products, of this manual for additional information. Soil Stabilization Matting - Channel Application, Perm. Contract Cost Data Project Details. application/pdf This section provides guidelines for inspecting slope protection for work specified under Section 72, Slope Protection, of the Standard Specifications. Vegetation (see . Thishandbook includes new and revised details for the various practices that are used in the development of erosion and sediment control plans. All items. 2. %PDF-1.4 For method A placement and the class of RSP described, comply with the rock grading shown in the following table: For method B placement and the class of RSP described, comply with the rock grading shown in the following table: Rock must have the values for the material properties shown in the following table: Select rock so that shapes provide a stable structure for the required section. 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. Be sure to consult your local project engineer or construction professional about the rock sizing and particular . 0000002313 00000 n Check the area to be protected to ensure that the required expansion joints are in place. 2019-07-30T13:47:33-04:00 When shotcrete is to be used, review Section 4-53, Shotcrete, of this manual. Mirafi 160N is a lightweight nonwoven geotextile that meet AASHTO M288 Class 2 geotextiles for separation and subsurface drainage. with a minimum of 50% of the stones . Observe closely during rock placement to detect any damage to the 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. When specified, ensure coloring is added to the concrete. Before placement of the broken concrete, inspect the material and be sure the reinforcement has been removed flush to the surface of concrete. 5 0 obj You can also lay bags of sand along problem areas in your landscape to keep soil from washing away and to redirect water. Contact Us Riprap is typically placed along graded ditch, channel, and shoreline banks over geotextile, which prevents erosional undercutting. These products can be used in areas where they meet the local agency requirements. Applicability Rock Slope Armor is applicable to: Slopes where unanticipated flows are encountered. 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. | Conditions of Use | Privacy Policy Mirafi 135N, 140NL and 140NC are lighter weight versions of Mirafi 140N . the contract cost database using the most recent year of data. 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. To better control the contractors selection of rocks for placing, ensure the contractor paints tonnage on large rocks used in foundation construction. 0000012187 00000 n Use 5 to 7 st Please enable JavaScript in your browser. 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. Rock Slope Protection practice is intended for slopes too unstable for revegetation practices alone. Rock grading and quality requirements per Standard Specifications. These supersede the previous Caltrans Riprap Sizes. 0000005681 00000 n 3, METHOD B) (TON), STRUCTURE EXCAVATION (ROCK SLOPE PROTECTION) (ENGMET). There are three material gradation requirements based on required rock layer thicknesses. Your search for great running gear starts and ends with us. (You may enter part of the word or the whole phrase). xZrFou D[&! (b) Paving fabric specification requires a minimum mass of 4.1 sy/oz. 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. 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. Review contractors verification of unit weight of rock-filled gabions. Standard contract items and descriptions for Caltrans projects. Angular shaped rock may be used on any planned slope. or call Technical Support available for assistance. 99 (30% off) Best Selling Saucony Flat Mask By mrhzid $8. 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. Use all suitable material in the work. Need quick pricing on Erosion Control Fabric? RSP-fabric Type of geotextile and quality requirements per Section 96 Rock Slope Protection Fabric of the Standard Specifications. Rock riprap consists of loose rock that is dumped on the slope and distributed. 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. Obtain initial samples and have them tested for the specified attributes. /OP true 1800 Washington Blvd., Baltimore, MD 21230, Stormwater, Dam Safety, and Flood Management Home, Plan Review for State and Federal Projects. 1 0 obj main search page where you can specify additional parameters. 8 0 obj Broken-concrete slope protection consists of placing broken concrete from job site locations identified within the contract. 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. Information reported to the hotline in the past has helped to eliminate certain fraudulent activities and protect State resources. XYo[unHCih,(~ t@K{ y.EmvKhy?_\F6.nO?iV5FlD,#t~J7z@Al.z_ooA=H /$Q-Aav. (a) Exception: US 250NW is 5 pounds short on "grab breaking load" for Sediment Filter Bags. 10 0 obj stream Properly designed and planted vegetative covers play Please enable scripts and reload this page. These products were developed to meet specific agency (DOTs, MTOs, etc.) 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 concrete slope protection method consists of paving the embankment with portland cement concrete. Slope Protection consists of rock, concrete, or concreted rock or slope paving ROCK SLOPE PROTECTION ROCK SHOULD DEMONSTRATE Stability: Angular shapes may be used on any planed slope Durability: Resist degradation and have a durability of 52 minimum (Caltrans) Consistency: Product is the same load after load. 1, METHOD B) (TON), ROCK SLOPE PROTECTION (NO. 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 Copies of these details are made available below in both Adobe Portable Document Format (PDF) and AUTOCAD Drawing (DWG) file formats. AASHTO is typical mass of 4.1 sy/oz.. A geotextile is typically defined as any permeable textile material used to increase soil stability, provide erosion control or aid in drainage. NTPEP Datamine Information: RG80NC is a tracking model number for the following manufacturers products: Mirafi 180NC, SKAPS GE180/GT180C or Propex 861. Click on a heading to sort by that heading. 0000004037 00000 n Start by choosing whether your patio is a **single rectangle** or if it has a different shape, in which case you. For RSP Classes IX thru XI, use Class 10 RSP-fabric. in a MS Word document format from the B. Cables. When changes are made, maintain records of details, depths, heights, and other dimensions, and enter these on the as-built plans. California Department of Transportation 1 Click on the to send the number to the engineering fabric pinned to the slope, or both a . :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 Manufacturers information can be found at: 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. For Type R, F, or Common stone riprap, provide Type 2 filter fabric when shown on the plans. Mirafi N-Series Product Description Sheet. Benchmark inspection of sampling and testing of rocks. 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. endobj 0000012468 00000 n Neoloy Tough-Cells in slopes prevent erosion, enable drainage and stabilize the slope to provide a green surface cover. endobj 0000009975 00000 n 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.. Consult engineer to ensure applicable design requirements are met. 2019-07-30T13:47:33-04:00 Obtain rock samples for acceptance tests. 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. 0000014231 00000 n Complete the Patio or Walkway 6. - Shoreline Protection with EcoTubes™ CALTRANS does not have an APL/QPL for fabrics. 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. <> 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. KEwAx{N*$J }COpU?s{bs. TAR_%R5Wa%*x4ux-x5d1c iU:v9b!KXGcFK 1fN2 t K! << Place a layer (six inch minimum) of Erosion Control Blankets Wattles help slow water runoff and reduce soil erosion. Links to important documents and pages can be found below the chart. Ensure that rocks of the specified sizes and shapes are being used. RSP-fabric Type of geotextile and quality requirements per Section 96 Rock Slope Protection Fabric of the Standard Specifications. 4 0 obj At TenCate ourgoal is your success. Decide whether modifications are necessary as a result of changed conditions. A Shoreline Erosion Control project would likely require fabric in the 10oz to 16oz weight range. Provide galvanized guide rail cables a minimum 19 mm in diameter, consisting . 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. Contact our sales team at 1-863-270-8118 to discuss your erosion control requirements. The devices include ground covers and channel liners such as: 1. (b) Paving fabric specification requires a minimum mass of 4.1 sy/oz. << 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.
rock slope protection fabric class 8
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