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Temp. PDF BMP-041 Rock Slope Protection 4-6-12 - Tahoe BMP Contact Us 0000013368 00000 n /OPM 1 Intermittent inspection of placement of slope protection, slope paving, and fabric operations. JavaScript is required to use content on this page. NTPEP Datamine Information: RG80NC is a tracking model number for the following manufacturers products: Mirafi 180NC, SKAPS GE180/GT180C or Propex 861. 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. 0000014254 00000 n There are three material gradation requirements based on required rock layer thicknesses. Ensure the timber spacers are of the required material and spaced as planned. PDF California Bank and Shore Rock Slope Protection Design 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. endobj When slope paving with concrete pavers is specified, ensure the special provision requirements are met. Weight will vary based on density of rock available for the project. Rock riprap consists of loose rock that is dumped on the slope and distributed. 2019-07-30T13:47:33-04:00 Project Details For EA 04-0A0204 - California <> endobj 0000002044 00000 n 4 0 obj 10 0 obj {s9y^ On a cut slope, this could be due to . Copies of these details are made available below in both Adobe Portable Document Format (PDF) and AUTOCAD Drawing (DWG) file formats. Observe construction to ensure the contractor does the placing, finishing, and curing as specified. Type R. Use stones between 50 and 250 lb. PDF Riprap Slope Protection 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 Please enable scripts and reload this page. %PDF-1.4 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 (One call ordering and delivery). Rock Slope Protection practice is intended for slopes too unstable for revegetation practices alone. Placement of Bedding Material 1. endobj <>/Font<>>>/Fields[]>> Technical Support available for assistance. /OP true Of the various types of instability problems, foundation failures are the most serious and most common. Erosion Control Blankets Wattles help slow water runoff and reduce soil erosion. These supersede the previous Caltrans Riprap Sizes. Lap 6'' min. The contractor must also ensure the construction of adequate returns and keys at the ends. stream Shoreline Erosion Control Fabric Pro Fabric Supply 3 0 obj TAR_%R5Wa%*x4ux-x5d1c iU:v9b!KXGcFK 1fN2 t K! 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. 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. Shop Lowe's for solutions to control erosion on slopes, as well. 0000002313 00000 n The Standard Specifications provide two methods of placement for this type of protection: Method A and Method B. 0000005681 00000 n (see Riprap Slope Protection Worksheet). These products were developed to meet specific agency (DOTs, MTOs, etc.) Click on the to search for an item in California Department Of Transportation: Item Code Search You may check the size of rock by roughly measuring the size and converting the volume to mass. This translates to a 0.75H: 1V incline and is shown below. in a MS Word document format from the The finish surface must be roughened by brushing to expose rocks. To provide the desired cleanliness, the contractor may need to sluice the rock or facing. Nonwoven Geotextile Fabrics When rock slope protection fabric is required for either method, ensure the contractor places the fabric before placing the rock slope protection. Enter the item description of the code you wish to search for: PsVPvCHWTxml4N,P>{Ur]JBV:V,iVkNm(C d3@p/J3O//.cji-+TA3 dsU)~Ds:mp7=h&X#0C]\:k`#+VW^`0 0=F5VvL(^f /Filter/FlateDecode 0000011079 00000 n Permeable Aggregate Materials and Filter Fabrics - Graniterock Refer to Section 4-96, Geosynthetics, of this manual for guidelines on inspecting and accepting rock slope protection fabric. 1, METHOD B) (CY), ROCK SLOPE PROTECTION (NO. Mirafi 135N, 140NL and 140NC are lighter weight versions of Mirafi 140N . Any springs or water courses that might affect the stability of the design. Natural Resources & Energy Infrastructure, Energy - Power Generation - Renewables - Solar, Energy - Power Generation - Renewables - Wind. 0000004037 00000 n Geosynthetic Bond Breaker (Call for product. If necessary, order additional weep holes. 2 0 obj 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. Ensure existing shrubs and trees are protected so that they continue to anchor the surrounding soil. Copies of these details are made available below in both Adobe Portable Document Format(PDF) and AUTOCAD Drawing (DWG) file formats. com routes make excellent running trails for serious runners and casual joggers, alike. YOU MUST NOTIFY US FABRICS BEFORE RECEIVING PRICING. FDM 10-10-3 RSP-fabric Type of geotextile and quality requirements per Section 96 Rock Slope Protection Fabric of the Standard Specifications. Upstream Slope Protection | Association of State Dam Safety Polypropylene is stable within a pH range of 2 to 13. Hydraulic Design Manual: Embankment Protection - Texas Department of This section provides guidelines for inspecting slope protection for work specified under Section 72, Slope Protection, of the Standard Specifications. 0000007052 00000 n Geotextiles - Products - US Fabrics Use 5 to 7 st xZrFou D[&! - Shoreline Protection with EcoTubes™ CALTRANS does not have an APL/QPL for fabrics. % Links to important documents and pages can be found below the chart. California - Geotextiles & DOT Specifications - US Fabrics Erosion Control at Lowes.com When exposed aggregate slope paving is specified, ensure any concrete set retarders are used in accordance with manufacturer instructions. Need quick pricing on Erosion Control Fabric? endobj 3, METHOD B) (CY), ROCK SLOPE PROTECTION (NO. Ensure that the contractor places the fabric before placing the rock slope protection. California Department Of Transportation: Item Code Search 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. California Department of Transportation Mirafi 160N is a lightweight nonwoven geotextile that meet AASHTO M288 Class 2 geotextiles for separation and subsurface drainage. Copyright Maryland.gov. HToL[U?Ayb:V;%Y48{RMLIlq&+J[mNN?J;A? You may be trying to access this site from a secured browser on the server. Benchmark inspection of sampling and testing of rocks. 1 0 obj Mirafi 180N is a moderate weight nonwoven geotextile that meets AASHTO M288 Class 1 geotextiles for separation and subsurface drainage. 2, METHOD B) (CY) (ENGMET), ROCK SLOPE PROTECTION (NO. 5 0 obj Mirafi N-Series nonwovens combine high water flow rates, high soil interaction and durability while providing excellent soil particle retention. with a minimum of 50% of the stones . To respond to the different problems associated with instability of rock faces, Geofabrics also has a broad range of independently verified rockfall mitigation systems. endstream The contract will identify the designated method. PDF Riprap Revetments - Ohio Department of Natural Resources 1 0 obj FHWA - Center for Local Aid Support - Publications K@^9t% OZ$Mb Ne#^/_*Zw;*T_]k. There are three material gradation requirements based on required rock layer thicknesses. They blanket the soil, protecting it from wind and water forces. %PDF-1.4 % KEwAx{N*$J }COpU?s{bs. 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. Intermediate, or B dimension (i.e., width) where A dimension is length, and C dimension is thickness. Riprap is typically placed along graded ditch, channel, and shoreline banks over geotextile, which prevents erosional undercutting. Paver Border InstallationPavers are "wet set" into concrete to create a Fabric used for rock slope protection, temporary construction roadways, separation, stabilization, reinforcement, drainage, and erosion control. 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 <> 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. 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 Rock grading and quality requirements per Standard Specifications. Obtain rock samples for acceptance tests. Vegetation (see . are available to meet BABA (Build America, Buy America) requirements. 0000005658 00000 n Erosion control devices provide direct protection to the soil surface therefore, are considered one the best measures for preventing erosion. 0000002336 00000 n 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. 2 0 obj <>stream Angular shaped rock may be used on any planned slope. uuid:30dd8676-a64b-4579-9ccf-fc82965d356f Manufacturers information can be found at: Start by choosing whether your patio is a **single rectangle** or if it has a different shape, in which case you. Review Section 4-90, Concrete, of this manual for details about concrete production. 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 requirements. PDF California Bank and Shore Rock Slope Protection Design To better control the contractors selection of rocks for placing, ensure the contractor paints tonnage on large rocks used in foundation construction. These products can be used in areas where they meet the local agency requirements. PDF RG80NC Nonwoven Geotextile for Rock Slope Protection Class 8 Certification Standard contract items and descriptions for Caltrans projects. 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. Civil engineers and landscape architects need proven solutions to control soil erosion, stabilize slopes, enable drainage and create a visually pleasing landscape. At the start of gabion placement, require the contractor to verify the minimum unit weight of the gabions to ensure it meets specifications. The Maryland Department of the Environment (MDE)recentlyadopted the 2011 Maryland Standards and Specifications for Soil Erosion and Sediment Control. 0000002021 00000 n rock slope protection fabric (class 8) 591200 rock stain: 780450 rock stain: 720110 small-rock slope protection: 192032 structure excavation (rock slope protection) (engmet) Slopes & Walls | Geofabrics All items. The chart below lists US Fabrics' geosynthetics meeting CALTRANS specifications. <> 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. This information is to be used only as a guide. 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. 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 - TenCate Geosynthetics US 160NW is a nonwoven needlepunched geotextile made of 100% polypropylene staple filaments. 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.