rock slope protection fabric class 8

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. << Erosion Control Blankets Wattles help slow water runoff and reduce soil erosion. com routes make excellent running trails for serious runners and casual joggers, alike. The samples will be crushed in the laboratory to sizes needed to perform tests. 0000013368 00000 n ), Geocomposite Wall Drain (w/ 6oz on 1 or 2 sides - Please specify.). Placement of Bedding Material 1. or call Information reported to the hotline in the past has helped to eliminate certain fraudulent activities and protect State resources. PsVPvCHWTxml4N,P>{Ur]JBV:V,iVkNm(C d3@p/J3O//.cji-+TA3 dsU)~Ds:mp7=h&X#0C]\:k`#+VW^`0 0=F5VvL(^f Review the plans for the location and number of weep holes. 2 0 obj Lap 6'' min. xZrFou D[&! The maximum height of the vertica l lower portions 3.5 feet. 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. Before placement of the broken concrete, inspect the material and be sure the reinforcement has been removed flush to the surface of concrete. 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. Vegetation (see . Temporary structures shall be left in place until adequate vegetation and the permanent . Observe closely during rock placement to detect any damage to the fabric. For measuring concrete or shotcrete, refer to Sections 4-90, Concrete, or 4-53, Shotcrete, of this manual. A Shoreline Erosion Control project would likely require fabric in the 10oz to 16oz weight range. The bid item list and plans will specify which type of slope protection is to be performed. %PDF-1.4 % << Soil Stabilization Matting - Channel Application, Perm. <>stream 72-2.02B Fabric Fabric must be RSP fabric that complies with the class shown in the following table: 72-4 SMALL-ROCK SLOPE PROTECTION 72-4.02 MATERIALS You can also lay bags of sand along problem areas in your landscape to keep soil from washing away and to redirect water. (For large riprap, consider a four inch layer of sand to protect the . 3, METHOD B) (TON), STRUCTURE EXCAVATION (ROCK SLOPE PROTECTION) (ENGMET). Intermittent inspection of placement of slope protection, slope paving, and fabric operations. (a) Exception: US 250NW is 5 pounds short on "grab breaking load" for Sediment Filter Bags. 0000000928 00000 n 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. 0000002313 00000 n Consult engineer to ensure applicable design requirements are met. Technical Support available for assistance. 0000004014 00000 n endobj Refer to Section 6-202, Responsibilities for Acceptance of Manufactured or Fabricated Materials and Products, of this manual for additional information. All rights reserved. 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. 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. { , IMPLEMENTATION OF ROCK SLOPE PROTECTION (RSP) DESIGN. 5. Obtain initial samples and have them tested for the specified attributes. Graniterock has a 101-year history of providing high quality products and service. If necessary, order additional weep holes. 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 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. Temp. Soil Stabilization Matting - Slope Application, Perm. Need quick pricing on Erosion Control Fabric? 3. You may be trying to access this site from a secured browser on the server. 0000012468 00000 n Neoloy Tough-Cells in slopes prevent erosion, enable drainage and stabilize the slope to provide a green surface cover. . Note any changes that may have occurred between the preliminary design studies and the start of construction. 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. The contract will identify the designated method. In 2007, the FAA approved construction of a new center field taxiway (Taxiway Mike) to alleviate airfield congestion. 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 Manufacturers information can be found at: 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. For details about concrete production, review Section 4-90, Concrete, of this manual. (b) Paving fabric specification requires a minimum mass of 4.1 sy/oz. 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 Rock riprap consists of loose rock that is dumped on the slope and distributed. Protection involves constructing a heavy mass of smaller rocks bound together by concrete. endobj 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 exposed aggregate slope paving is specified, ensure any concrete set retarders are used in accordance with manufacturer instructions. Review Section 4-90, Concrete, of this manual for details about concrete production. Barrier Landscape Edging & Paver Edging 6'/8. 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. 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. 1. Contact your local TenCate Geosynthetic representative for the proper use and specification of these products. The Maryland Department of the Environment (MDE)recentlyadopted the 2011 Maryland Standards and Specifications for Soil Erosion and Sediment Control. Obtain rock samples for acceptance tests. Mirafi N-Series nonwovens combine high water flow rates, high soil interaction and durability while providing excellent soil particle retention. in a MS Word document format from the 0000005658 00000 n 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. endobj Order corrective work when necessary. with a minimum of 50% of the stones . 3 0 obj Also, ensure the contractor does not drop rock into place; otherwise, cracking or breaking may occur. >> Rock Channel Protection Paved Gutter 601.13 Basis of Payment 601.01 Description. (800) 518-2290, Providing the most comprehensive geosynthetic lines in the industry. Benchmark inspection of sampling and testing of rocks. KEwAx{N*$J }COpU?s{bs. 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. 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. Geosynthetic Bond Breaker (Call for product. The challenge was to construct a new taxiway over areas that were built on tidal flats and land reclaimed from Boston Harbor. <>/Font<>>>/Fields[]>> TAR_%R5Wa%*x4ux-x5d1c iU:v9b!KXGcFK 1fN2 t K! K@^9t% OZ$Mb Ne#^/_*Zw;*T_]k. The concrete slope protection method consists of paving the embankment with portland cement concrete. Retaining Walls & Slope Stability 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. To compensate for the lack of flexibility in the completed structure, ensure an adequate foundation lies below this type of protection. When shotcrete is to be used, review Section 4-53, Shotcrete, of this manual. These supersede the previous Caltrans Riprap Sizes. 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. Shop Lowe's for solutions to control erosion on slopes, as well. Angular shaped rock may be used on any planned slope. 0000007052 00000 n RG12N Nonwoven Geotextile with a 300 lbs grab tensile strength and a flow rate of 65 gallons a minute per square foot. For RSP Classes IX thru XI, use Class 10 RSP-fabric. Your search for great running gear starts and ends with us. Resident engineers should be familiar with the material contained in Chapters 870, Bank ProtectionErosion Control, and 880, "Shore Protection," of the Highway Design Manual. 0000014231 00000 n 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. 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. At the terminals of protection, ensure the contractor is particularly careful to avoid erosion and undercutting. 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 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 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. This information is to be used only as a guide. Any springs or water courses that might affect the stability of the design. AASHTO is typical mass of 4.1 sy/oz.. 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. GHnBc__'h1'u]SO0P+R&yGeJ$FP?cSp28 1}9AQ #T6Bc*)_vU"]T hY# Contact our sales team at 1-863-270-8118 to discuss your erosion control requirements. :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 The chart below lists US Fabrics' geosynthetics meeting CALTRANS specifications. There are three material gradation requirements based on required rock layer thicknesses. NTPEP Datamine Information: RG80NC is a tracking model number for the following manufacturers products: Mirafi 180NC, SKAPS GE180/GT180C or Propex 861. If the slope is steeper than 2:1, do not use rounded boulders and cobbles. 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. 2005), although maintenance considerations may serve to reduce this maximum size. %PDF-1.3 % Keep records up to date. Nominal RSP class by median particle diameterb Nominal median 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. 0000014254 00000 n The plans will designate which type applies at each location. When slope paving with concrete pavers is specified, ensure the special provision requirements are met. Testing must follow the frequencies shown in Section 6-1, Sample Types and Frequencies, of this manual. 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. 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. Transportation Specifications Section 96-1.02I for Rock Slope Protection Fabric, Class 8, nonwoven geotextile. 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. Properly designed and planted vegetative covers play Please enable JavaScript in your browser. 1 Enter the item description of the code you wish to search for: Refer to Section 4-96, Geosynthetics, of this manual for guidelines on inspecting and accepting rock slope protection fabric. The Standard Specifications provide two methods of placement for this type of protection: Method A and Method B. 0000009975 00000 n Decide whether modifications are necessary as a result of changed conditions. Mirafi 180N is a moderate weight nonwoven geotextile that meets AASHTO M288 Class 1 geotextiles for separation and subsurface drainage.

rock slope protection fabric class 8 2023