To respond to the different problems associated with instability of rock faces, Geofabrics also has a broad range of independently verified rockfall mitigation systems. HToL[U?Ayb:V;%Y48{RMLIlq&+J[mNN?J;A? There are three material gra requirements based on required rock layer dation thicknesses. Ensure concrete is cured by one of the specified methods. 1 Draw Down Device, Sediment Basin Schematic - Vert. Contact our sales team at 1-863-270-8118 to discuss your erosion control requirements. main search page where you can specify additional parameters. For Type R, F, or Common stone riprap, provide Type 2 filter fabric when shown on the plans. Smooth the graded foundation. 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. 0000015681 00000 n Maximum slope 1.5:1 horiz:vert, (67% or 34) or flatter, and is limited to slopes < 30' of uninterrupted length. 1 0 obj endstream The bid item list and plans will specify which type of slope protection is to be performed. Provide galvanized guide rail cables a minimum 19 mm in diameter, consisting . TAR_%R5Wa%*x4ux-x5d1c iU:v9b!KXGcFK 1fN2 t K! 2 0 obj When shotcrete is to be used, review Section 4-53, Shotcrete, of this manual. {.sAewh[w#Iv#W6f" $JOPf/W%%XKK&A~b ?nfY_iu"m]HDwP) Rp Fabric used for rock slope protection, temporary construction roadways, separation, stabilization, reinforcement, drainage, and erosion control. <>stream 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. RG12N Nonwoven Geotextile with a 300 lbs grab tensile strength and a flow rate of 65 gallons a minute per square foot. 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. Applicability Rock Slope Armor is applicable to: Slopes where unanticipated flows are encountered. 5. 0000013346 00000 n The contract will identify the designated method. 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. 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. 9 0 obj 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. Use the size and composition of yarn that is recommended by the fabric manufacturer. 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. BMP040 "rock slope protection (no fabric)" as applicable. uuid:bc193511-b4f2-4d99-b47d-5ec173dc2f21 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. To compensate for the lack of flexibility in the completed structure, ensure an adequate foundation lies below this type of protection. (b) Paving fabric specification requires a minimum mass of 4.1 sy/oz. Obtain initial samples and have them tested for the specified attributes. When rock slope protection fabric is required for either method, ensure the contractor places the fabric before placing the rock slope protection. All items. 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. "QamV(Z3VL> Erosion control is an important element of successful slope protection. 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. /Filter/FlateDecode Mirafi 140N is a lightweight non woven geotextile that meets AASHTO M288 Class 3 geotextiles for separation and subsurface drainage. 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. Refer to Section 4-96, Geosynthetics, of this manual for guidelines on inspecting and accepting rock slope protection fabric. The plans will designate which type applies at each location. The concrete slope protection method consists of paving the embankment with portland cement 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. - Shoreline Protection with EcoTubes™ CALTRANS does not have an APL/QPL for fabrics. 1, METHOD B) (TON), ROCK SLOPE PROTECTION (NO. 0000012468 00000 n Standard contract items and descriptions for Caltrans projects. 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. com routes make excellent running trails for serious runners and casual joggers, alike. Links to important documents and pages can be found below the chart. 0000004014 00000 n Broken-concrete slope protection consists of placing broken concrete from job site locations identified within the contract. Before placement of the broken concrete, inspect the material and be sure the reinforcement has been removed flush to the surface of concrete. 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. %PDF-1.3 % Placement of Bedding Material 1. 0000002021 00000 n For measuring concrete or shotcrete, refer to Sections 4-90, Concrete, or 4-53, Shotcrete, of this manual. Shop Lowe's for solutions to control erosion on slopes, as well. . Check to ensure that slopes and foundation areas are graded and compacted to specified tolerances. Riprap can be used to stabilize slopes to prevent erosion and provide support. +NXR!ft]l|\P2. (For large riprap, consider a four inch layer of sand to protect the . 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 Ensure that the contractor places the fabric before placing the rock slope protection. 0000011079 00000 n At TenCate ourgoal is your success. Verify the types of measurements and records necessary to support payment for the work. Geofabrics offers a range of engineered slope, embankment and retaining wall solutions of use in transport infrastructure projects. conforming to the requirements of 710-03 Vinyl Coated Steel Fence Fabric, Class A Wire Diameter, except color. 6 0 obj US 160NW resists ultraviolet and biological deterioration, rotting, naturally encountered basics and acids. Soil Stabilization Matting - Channel Application, Temp. Other Names Rock Slope Protection. Your search for great running gear starts and ends with us. 3 0 obj 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 Start by choosing whether your patio is a **single rectangle** or if it has a different shape, in which case you. 0000014231 00000 n Information reported to the hotline in the past has helped to eliminate certain fraudulent activities and protect State resources. L Earth Compacted Fabric Engineering 6'' 1'-0'' centers Staples at 6'' 2'' 6'' (Rock Splash Basin) TYPE 4 1 2 (Rock Slope Protection) TYPE 5 Staples at 12 inch centers. 0000012187 00000 n 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. 2, METHOD B) (CY) (ENGMET), ROCK SLOPE PROTECTION (NO. Inspect the rock to ensure it has been cleaned of any adhering dirt and clay and is moistened before concrete placement. 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 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. When exposed aggregate slope paving is specified, ensure any concrete set retarders are used in accordance with manufacturer instructions. 0000009682 00000 n For details about concrete production, review Section 4-90, Concrete, of this manual. <> Mirafi 1100N, 1120N and 1160N are heavy weight nonwoven geotextiles for more severe or extremely harsh conditions, such as rip-rap and revetment applications. {s9y^ 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. 0000007029 00000 n Mirafi 160N is a lightweight nonwoven geotextile that meet AASHTO M288 Class 2 geotextiles for separation and subsurface drainage. 0000002044 00000 n FDM 10-10-3 Keep records up to date. endobj in a MS Word document format from the Contract Cost Data Project Details. Click on the product name for a data sheet. 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. The color shall be black unless otherwise specified in the contract documents. Values shown are based on Table 873.3A dimensions and an assumed specific gravity of 2.65. Copies of these details are made available below in both Adobe Portable Document Format(PDF) and AUTOCAD Drawing (DWG) file formats. Soil Stabilization Matting - Slope Application, Perm. Close observation is required during rock placement to detect any damage to the fabric. K@^9t% OZ$Mb Ne#^/_*Zw;*T_]k. 3, METHOD B) (TON), STRUCTURE EXCAVATION (ROCK SLOPE PROTECTION) (ENGMET). Enter the item description of the code you wish to search for: Class 2 is the default Class for M288 applications. 2 0 obj 2. This handbook includes new and revised details for the various practices that are used in the development of erosion and sediment control plans. 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. @>|0fWp^,Y/T!*gprE."8hjjJ7kUfmYxTsX"CfU2TL]Gdb_Kg,GA/`U)H!hkJARD[R` engineering fabric pinned to the slope, or both a . Erosion control devices provide direct protection to the soil surface therefore, are considered one the best measures for preventing erosion. Roll size is 15'x300 Equivalent to Mirafi 1120NC or Skaps GT112 (Click here for spec) They blanket the soil, protecting it from wind and water forces. <> All rights reserved. In 2007, the FAA approved construction of a new center field taxiway (Taxiway Mike) to alleviate airfield congestion. JavaScript is required to use content on this page. 99 (30% off) Best Selling Saucony Flat Mask By mrhzid $8. Complete the Patio or Walkway 6. Soil Stabilization Matting - Channel Application, Perm. The gabion method consists of placing wire mesh box-shaped baskets filled onsite with hard, durable rocks. (You may enter part of the word or the whole phrase). There are three material gradation requirements based on required rock layer thicknesses. 2019-07-30T13:47:33-04:00 XYo[unHCih,(~ t@K{ y.EmvKhy?_\F6.nO?iV5FlD,#t~J7z@Al.z_ooA=H /$Q-Aav. If the fabric is joined by stitched seams, stitch with contrasting colored yarn. The Maryland Department of the Environment (MDE)recentlyadopted the 2011 Maryland Standards and Specifications for Soil Erosion and Sediment Control. Refer to Section 6-202, Responsibilities for Acceptance of Manufactured or Fabricated Materials and Products, of this manual for additional information. endobj requirements. 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. % 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. Slope protection is usually needed to protect the upstream slope against erosion due to wave action. Also, ensure the contractor does not drop rock into place; otherwise, cracking or breaking may occur. Click on a heading to sort by that heading. Manufacturers information can be found at: Click it again to reverse the order. Protection involves constructing a heavy mass of smaller rocks bound together by concrete. Mirafi 180N is a moderate weight nonwoven geotextile that meets AASHTO M288 Class 1 geotextiles for separation and subsurface drainage. Polypropylene is stable within a pH range of 2 to 13. If the rock contains an excess of fines or inadequate voids, the desired results may be impossible to obtain. 3, METHOD B) (CY), ROCK SLOPE PROTECTION (NO. Test panels may be specified in the special provisions. 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. This article studies the mechanical properties and stability of CC slope protection by comparing it with conventional material (shotcrete). 2019-07-30T13:47:33-04:00 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 1. 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. 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. Temporary structures shall be left in place until adequate vegetation and the permanent . Please enable scripts and reload this page. 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. 0000008331 00000 n Technical Support available for assistance. endobj Review Section 4-90, Concrete, of this manual for details about concrete production. There are three material gradation requirements based on required rock layer thicknesses. IMPLEMENTATION OF ROCK SLOPE PROTECTION (RSP) DESIGN Properly designed and planted vegetative covers play Order corrective work when necessary. Mirafi N-Series nonwovens combine high water flow rates, high soil interaction and durability while providing excellent soil particle retention. 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. 0000005658 00000 n Neoloy Tough-Cells in slopes prevent erosion, enable drainage and stabilize the slope to provide a green surface cover. Angular shaped rock may be used on any planned slope. Angular shaped rock may be used on any planned slope. 0000014254 00000 n 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. These supersede the previous Caltrans Riprap Sizes. 8 0 obj =w (j($M/!bMbo,iDjQL1{L! 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 . Use all suitable material in the work. endobj 6'' min. US 160NW is a nonwoven needlepunched geotextile made of 100% polypropylene staple filaments. endobj Copyright Maryland.gov. 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) Stable rock sizes and flow depths for riprap-lined channels having gradients between 2 percent and 40 percent may 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. Refer to Section 4-96, Geosynthetics, of this manual for guidelines for inspecting and accepting rock slope protection fabric. The gabions are placed on filter fabric as detailed in the plans and specifications. endobj Nominal RSP class by median particle diameterb Nominal median If you have any questions or would like to learn more, please contact us. 1 0 obj When specified, ensure coloring is added to the concrete. Rock riprap consists of loose rock that is dumped on the slope and distributed. 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. B. Cables. Weight will vary based on density of rock available for the project. Mirafi N-Series Product Description Sheet. This section provides guidelines for inspecting slope protection for work specified under Section 72, Slope Protection, of the Standard Specifications. Properly designed slope protection and stabilization has to include two components: a vegetational-biological and a mechanical-structural component. Cold storms bringing wind, rain and low-elevation snow heavy at times are forecast through early March. 0000013368 00000 n Ensure the timber spacers are of the required material and spaced as planned. Without proper slope protection, a serious erosion problem known as "beaching" can develop on the upstream slope. Resident engineers should be familiar with the material contained in Chapters 870, Bank ProtectionErosion Control, and 880, "Shore Protection," of the Highway Design Manual. 0000000871 00000 n Lap 6'' min. Be sure to consult your local project engineer or construction professional about the rock sizing and particular . 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.
rock slope protection fabric class 8