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<>/Font<>>>/Fields[]>> /Filter/FlateDecode Ensure the equipment used during spreading does not crack the rock. Temp. Products with a are available to meet BABA (Build America, Buy America) requirements. << 6 0 obj 2005), although maintenance considerations may serve to reduce this maximum size. Testing must follow the frequencies shown in Section 6-1, Sample Types and Frequencies, of this manual. If necessary, order additional weep holes. Slope protection is usually needed to protect the upstream slope against erosion due to wave action. Place a layer (six inch minimum) of Ensure the timber spacers are of the required material and spaced as planned. endobj 0000002313 00000 n 8 0 obj 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. Contract Cost Data Project Details. endobj Thishandbook includes new and revised details for the various practices that are used in the development of erosion and sediment control plans. RSP-fabric Type of geotextile and quality requirements per Section 96 Rock Slope Protection Fabric of the Standard Specifications. Retaining Walls & Slope Stability A geotextile is typically defined as any permeable textile material used to increase soil stability, provide erosion control or aid in drainage. Use all suitable material in the work. All items. Caltrans New Riprap Classes - Plainwater 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. {s9y^ Angular shaped rock may be used on any planned slope. To provide the desired cleanliness, the contractor may need to sluice the rock or facing. Placement of Bedding Material 1. 1, METHOD B) (CY), ROCK SLOPE PROTECTION (NO. Review contractors verification of unit weight of rock-filled gabions. FHWA - Center for Local Aid Support - Publications 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. Contact our sales team at 1-863-270-8118 to discuss your erosion control 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. Protection involves constructing a heavy mass of smaller rocks bound together by concrete. 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. 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. 2 0 obj 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. California Department Of Transportation: Item Code Search When slope paving with concrete pavers is specified, ensure the special provision requirements are met. The concrete slope protection method consists of paving the embankment with portland cement concrete. For measurement and payment, do the following: Chapter 1 - Caltrans Construction Organization, CalOES: Power Outage and Fire Recovery Resources. Check the area to be protected to ensure that the required expansion joints are in place. Values shown are based on Table 873.3A dimensions and an assumed specific gravity of 2.65. 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. 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. Standard contract items and descriptions for Caltrans projects. 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. 1 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. in a MS Word document format from the The devices include ground covers and channel liners such as: 1. 5. /OPM 1 You can also lay bags of sand along problem areas in your landscape to keep soil from washing away and to redirect water. Your search for great running gear starts and ends with us. "QamV(Z3VL> <> 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. 0000004037 00000 n 0000005658 00000 n These products can be used in areas where they meet the local agency requirements. stream 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. Review the plans for the location and number of weep holes. Decide whether an adequate number has been provided for the particular installation. 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. | Conditions of Use | Privacy Policy the contract cost database using the most recent year of data. 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. Rock mesh slope protection is a technique to control rockfalls . 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. 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. If there are no prevailing agency specifications, it is recommended to follow AASHTO M288 for subsurface drainage applications. engineering fabric pinned to the slope, or both a . BMP040 "rock slope protection (no fabric)" as applicable. Title: SECTION 212 ROCK SLOPE REINFORCEMENT AND CATCHMENT SYSTEMS Soil Stabilization Matting - Channel Application, Temp. Intermediate, or B dimension (i.e., width) where A dimension is length, and C dimension is thickness. YOU MUST NOTIFY US FABRICS BEFORE RECEIVING PRICING. Also, ensure the contractor does not drop rock into place; otherwise, cracking or breaking may occur. (see Riprap Slope Protection Worksheet). (You may enter part of the word or the whole phrase). We're available on the following channels. Erosion control is an important element of successful slope protection. Need quick pricing on Erosion Control Fabric? Properly designed and planted vegetative covers play 2019-07-30T13:47:33-04:00 PDF RG80NC Nonwoven Geotextile for Rock Slope Protection Class 8 Certification 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. For details about concrete production, review Section 4-90, Concrete, of this manual. Chapter 4: Construction Details, Section 72: Slope Protection 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. The challenge was to construct a new taxiway over areas that were built on tidal flats and land reclaimed from Boston Harbor. uuid:bc193511-b4f2-4d99-b47d-5ec173dc2f21 Click on the to send the number to the Method B is not restrictive with respect to the placement of individual rocks. 1. Copies of these details are made available below in both Adobe Portable Document Format(PDF) and AUTOCAD Drawing (DWG) file formats. 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. Links to important documents and pages can be found below the chart. 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. 0000004014 00000 n Otherwise, placement could result in what is known as rockers or unstable rocks. 2. endobj 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. Cold storms bringing wind, rain and low-elevation snow heavy at times are forecast through early March. PDF DESIGNER INFORMATION - Iowa Department of Transportation 3 0 obj 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. 0000009975 00000 n 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. 0000012468 00000 n The contract plans will designate the required rock layer thickness for each location. NTPEP Datamine Information: RG80NC is a tracking model number for the following manufacturers products: Mirafi 180NC, SKAPS GE180/GT180C or Propex 861. 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. <>stream Inspect the rock to ensure it has been cleaned of any adhering dirt and clay and is moistened before concrete placement. 1 0 obj Observe closely during rock placement to detect any damage to the fabric. The Maryland Department of the Environment (MDE)recentlyadopted the 2011 Maryland Standards and Specifications for Soil Erosion and Sediment Control. Soil Stabilization Matting - Channel Application, Perm. Erosion prevention practices - Riprap - Minnesota Stormwater Manual Copyright 2023 TenCate Geosynthetics Americas. Any springs or water courses that might affect the stability of the design. Applicability Rock Slope Armor is applicable to: Slopes where unanticipated flows are encountered. ), Geocomposite Wall Drain (w/ 6oz on 1 or 2 sides - Please specify.). Click it again to reverse the order. (a) Exception: US 250NW is 5 pounds short on "grab breaking load" for Sediment Filter Bags. Fabric used for rock slope protection, temporary construction roadways, separation, stabilization, reinforcement, drainage, and erosion control. (For large riprap, consider a four inch layer of sand to protect the . At the start of gabion placement, require the contractor to verify the minimum unit weight of the gabions to ensure it meets specifications. 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 2, METHOD B) (CY) (ENGMET), ROCK SLOPE PROTECTION (NO. Ensure that the contractor places the fabric before placing the rock slope protection. Consult engineer to ensure applicable design requirements are met. Design and construction application of concrete canvas for slope protection 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. Class 2 is the default Class for M288 applications. For RSP Classes IX thru XI, use Class 10 RSP-fabric. Mirafi 135N, 140NL and 140NC are lighter weight versions of Mirafi 140N . 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.. Keep records up to date. This section provides guidelines for inspecting slope protection for work specified under Section 72, Slope Protection, of the Standard Specifications. Ensure that the contractor performs concrete finishing as specified and that the slope paving is cured by one of the specified methods. For details about concrete production, review Section 4-90, Concrete, of this manual. 3, METHOD B) (CY), ROCK SLOPE PROTECTION (NO. Shoreline Erosion Control Fabric Pro Fabric Supply construction contract standards page. On a cut slope, this could be due to . PDF California Bank and Shore Rock Slope Protection Design Angular shaped rock may be used on any planned slope.