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Ensure concrete is cured by one of the specified methods. Rock mesh slope protection is a technique to control rockfalls . Use 5 to 7 st At the start of gabion placement, require the contractor to verify the minimum unit weight of the gabions to ensure it meets specifications. :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 Erosion control devices provide direct protection to the soil surface therefore, are considered one the best measures for preventing erosion. If the fabric is joined by stitched seams, stitch with contrasting colored yarn. 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. Erosion Control Blankets Wattles help slow water runoff and reduce soil erosion. Ensure existing shrubs and trees are protected so that they continue to anchor the surrounding soil. Slopes & Walls | Geofabrics Mirafi 135N, 140NL and 140NC are lighter weight versions of Mirafi 140N . US 160NW - US Fabrics 9 0 obj 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. Provide galvanized guide rail cables a minimum 19 mm in diameter, consisting . endobj Keep records up to date. PDF Implementation of Rock Slope Protection (Rsp) Design /Filter/FlateDecode application/pdf If you have any questions or would like to learn more, please contact us. 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. Place a layer (six inch minimum) of 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. Place a highly permeable and appro-priately sized geotextile filter fabric on the prepared slope following the manufacturer's recommendations. 0000002336 00000 n Other Names Rock Slope Protection. 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. EZw5'dr=`j+2\8:U.|V,%)~h/X8ps Protection involves constructing a heavy mass of smaller rocks bound together by concrete. For measurement and payment, do the following: Chapter 1 - Caltrans Construction Organization, CalOES: Power Outage and Fire Recovery Resources. 1 99 (30% off) Best Selling Saucony Flat Mask By mrhzid $8. Mirafi N-Series Product Description Sheet. The chart below lists US Fabrics' geosynthetics meeting CALTRANS specifications. In 2007, the FAA approved construction of a new center field taxiway (Taxiway Mike) to alleviate airfield congestion. (a) Exception: US 250NW is 5 pounds short on "grab breaking load" for Sediment Filter Bags. <> A geotextile is typically defined as any permeable textile material used to increase soil stability, provide erosion control or aid in drainage. RG12N Nonwoven Geotextile with a 300 lbs grab tensile strength and a flow rate of 65 gallons a minute per square foot. 0000009682 00000 n US 160NW resists ultraviolet and biological deterioration, rotting, naturally encountered basics and acids. PDF California Bank and Shore Rock Slope Protection Design Rock riprap consists of loose rock that is dumped on the slope and distributed. (a) Exception: US 250NW is 5 pounds short on "grab breaking load" for Sediment Filter Bags. requirements. 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 Check the area to be protected to ensure that the required expansion joints are in place. The plans indicate the minimum depths of foundations. Geotextiles - Products - US Fabrics endobj 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. Contract Cost Data Project Details. 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. Consult engineer to ensure applicable design requirements are met. 0000005681 00000 n California Department Of Transportation: Item Code Search To better control the contractors selection of rocks for placing, ensure the contractor paints tonnage on large rocks used in foundation construction. 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. XYo[unHCih,(~ t@K{ y.EmvKhy?_\F6.nO?iV5FlD,#t~J7z@Al.z_ooA=H /$Q-Aav. Erosion Control at Lowes.com Barrier Landscape Edging & Paver Edging 6'/8. More simply put, if it is made of fabric and buried in the ground it is probably a geotextile! The challenge was to construct a new taxiway over areas that were built on tidal flats and land reclaimed from Boston Harbor. 1, METHOD B) (TON), ROCK SLOPE PROTECTION (NO. PDF RIPRAP - Texas Department of Transportation The heavier fabrics provide more strength and are less likely to tear when large class II or Class III boulders are placed on them. Of the various types of instability problems, foundation failures are the most serious and most common. Complete the Patio or Walkway 6. You can also lay bags of sand along problem areas in your landscape to keep soil from washing away and to redirect water. Mirafi 1100N, 1120N and 1160N are heavy weight nonwoven geotextiles for more severe or extremely harsh conditions, such as rip-rap and revetment applications. These supersede the previous Caltrans Riprap Sizes. 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. <>stream 0000002021 00000 n NTPEP Datamine Information: RG80NC is a tracking model number for the following manufacturers products: Mirafi 180NC, SKAPS GE180/GT180C or Propex 861. Hydraulic Design Manual: Embankment Protection - Texas Department of <> Contact your local TenCate Geosynthetic representative for the proper use and specification of these products. They blanket the soil, protecting it from wind and water forces. 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. 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 . =w (j($M/!bMbo,iDjQL1{L! Slope protection structures are to be used where concentrated water will cause excessive erosion on existing and/or recent cut and fill slopes. Mirafi 140N is a lightweight non woven geotextile that meets AASHTO M288 Class 3 geotextiles for separation and subsurface drainage. Applicability Rock Slope Armor is applicable to: Slopes where unanticipated flows are encountered. TAR_%R5Wa%*x4ux-x5d1c iU:v9b!KXGcFK 1fN2 t K! 2, METHOD B) (TON) (ENGMET), ROCK SLOPE PROTECTION (NO. JavaScript is required to use content on this page. engineering fabric pinned to the slope, or both a . 0000008331 00000 n 0000004037 00000 n 2. ), Geocomposite Wall Drain (w/ 6oz on 1 or 2 sides - Please specify.). Be sure to consult your local project engineer or construction professional about the rock sizing and particular . DOCX ppmoe.dot.ca.gov Manufacturers information can be found at: Nonwoven Geotextile Fabrics 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 2, METHOD B) (CY) (ENGMET), ROCK SLOPE PROTECTION (NO. Civil engineers and landscape architects need proven solutions to control soil erosion, stabilize slopes, enable drainage and create a visually pleasing landscape. 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. Riprap is typically placed along graded ditch, channel, and shoreline banks over geotextile, which prevents erosional undercutting. CHAPTER 5 SURFACE AND SLOPE PROTECTIVE MEASURES - Food and Agriculture 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. RSP-fabric Type of geotextile and quality requirements per Section 96 Rock Slope Protection Fabric of the Standard Specifications. Use the size and composition of yarn that is recommended by the fabric manufacturer. Inspect the rock to ensure it has been cleaned of any adhering dirt and clay and is moistened before concrete placement. Ensure that rocks of the specified sizes and shapes are being used. 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. This section provides guidelines for inspecting slope protection for work specified under Section 72, Slope Protection, of the Standard Specifications. Click it again to reverse the order. Check to ensure that slopes and foundation areas are graded and compacted to specified tolerances. Standard contract items and descriptions for Caltrans projects. The devices include ground covers and channel liners such as: 1. This translates to a 0.75H: 1V incline and is shown below. (800) 518-2290, Providing the most comprehensive geosynthetic lines in the industry. Details from the 2011 Maryland Standards and Specifications PDF BMP 17.00. Rock Slope Armor - Alaska 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. >> 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. 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 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. Need quick pricing on Erosion Control Fabric? endobj endobj Decide whether modifications are necessary as a result of changed conditions. Method B is not restrictive with respect to the placement of individual rocks. 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. 1. Observe closely during rock placement to detect any damage to the fabric. Values shown are based on Table 873.3A dimensions and an assumed specific gravity of 2.65. (b) Paving fabric specification requires a minimum mass of 4.1 sy/oz. 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 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. <>/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<>>> When specified, ensure coloring is added to the concrete. The Standard Specifications provide two methods of placement for this type of protection: Method A and Method B. Properly designed slope protection and stabilization has to include two components: a vegetational-biological and a mechanical-structural component. 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. Properly designed and planted vegetative covers play (see Riprap Slope Protection Worksheet). are available to meet BABA (Build America, Buy America) requirements. <>stream PDF California Bank and Shore Rock Slope Protection Design %PDF-1.4 % If the rock contains an excess of fines or inadequate voids, the desired results may be impossible to obtain. Retaining Walls & Slope Stability Start by choosing whether your patio is a **single rectangle** or if it has a different shape, in which case you. Slope Protection consists of rock, concrete, or concreted rock or slope paving, ROCK SLOPE PROTECTION ROCK SHOULD DEMONSTRATE, THE PLACEMENT METHODS DESIGNATED BY CALTRANS, ADVANTAGES OF USING RIP RAP OR STONE PROTECTION FROM WILSON QUARRY (AROMAS), Make certain of the Product RequiredProject Service Requirements, Specifying Agency (Caltrans, Green Book, Army Corp or Other), Special Provisions addressing additional specifications, Certification Required (Submittals) Caltrans, Army Corps, other agency or engineer, Quantity Required (Specific GravityConversion Tons to Cubic Yards), Product Availability (Available when required, can handle Daily Shipping Requirements), The Reputation of your Supplier and their Products & Services, 100% Crushed Granite (Provides Superior Stability and Durability), Many different Rip Rap types available:All Caltrans Classes and Sizes, High Daily Production and Shipping Capacity (Can Handle Large & Small Jobs), Graniterock can provide delivery to your jobsite if desired. 4-7203C Small-Rock 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. Graniterock has a 101-year history of providing high quality products and service. If your 20'x10' patio is to have a 6" base, then you should excavate a total area of 21' (20' +6" +6") by 11' (10' +6" +6"). To respond to the different problems associated with instability of rock faces, Geofabrics also has a broad range of independently verified rockfall mitigation systems. SLOPING AND BENCHING SYSTEMS - National Institute of Environmental If the slope is steeper than 2:1, do not use rounded boulders and cobbles. At the terminals of protection, ensure the contractor is particularly careful to avoid erosion and undercutting. AASHTO is typical mass of 4.1 sy/oz. construction contract standards page. Project Details For EA 04-0A0204 - California For details about concrete production, review Section 4-90, Concrete, of this manual. Geosynthetic Bond Breaker (Call for product. Rock Channel Protection Paved Gutter 601.13 Basis of Payment 601.01 Description. 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. 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. Soil Stabilization Matting - Channel Application, Temp. When shotcrete is to be used, review Section 4-53, Shotcrete, of this manual. Rock Slope Protection / Rip Rap - Graniterock 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 slope protection fabric (class 8) 591200 rock stain: 780450 rock stain: 720110 small-rock slope protection: 192032 structure excavation (rock slope protection) (engmet) 1, METHOD B) (CY), ROCK SLOPE PROTECTION (NO. 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 The Maryland Department of the Environment (MDE)recentlyadopted the 2011 Maryland Standards and Specifications for Soil Erosion and Sediment Control. 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. Permeable Aggregate Materials and Filter Fabrics - Graniterock +NXR!ft]l|\P2. 2019-07-30T13:44:04-04:00 You may check the size of rock by roughly measuring the size and converting the volume to mass. California Department Of Transportation: Item Code Search Roll size is 15'x300 Equivalent to Mirafi 1120NC or Skaps GT112 (Click here for spec) Slope protection is usually needed to protect the upstream slope against erosion due to wave action. uuid:bc193511-b4f2-4d99-b47d-5ec173dc2f21 Mirafi 180N is a moderate weight nonwoven geotextile that meets AASHTO M288 Class 1 geotextiles for separation and subsurface drainage. 3, METHOD B) (TON), STRUCTURE EXCAVATION (ROCK SLOPE PROTECTION) (ENGMET). The contractor must also ensure the construction of adequate returns and keys at the ends. << Flat or needle shaped rock must not be used unless the individual rock thickness is greater than 0.33 times the length. mum slope of two feet of horizontal distance for one foot of vertical rise. 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.. This has been superseded by Caltrans New Riprap Classes. All items. Title: SECTION 212 ROCK SLOPE REINFORCEMENT AND CATCHMENT SYSTEMS endstream Links to important documents and pages can be found below the chart. A Shoreline Erosion Control project would likely require fabric in the 10oz to 16oz weight range. 0000000871 00000 n Lap 6'' min. Source: Caltran Highway Design Manual, Chapter 870 For RSP Classes IX thru XI, use Class 10 RSP-fabric. 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. All rights reserved. The latest list of Item Codes is available from HQ YOU MUST NOTIFY US FABRICS BEFORE RECEIVING PRICING. GHnBc__'h1'u]SO0P+R&yGeJ$FP?cSp28 1}9AQ #T6Bc*)_vU"]T hY# 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. Mirafi 160N is a lightweight nonwoven geotextile that meet AASHTO M288 Class 2 geotextiles for separation and subsurface drainage. 2019-07-30T13:47:33-04:00 /Type/ExtGState Fabric used for rock slope protection, temporary construction roadways, separation, stabilization, reinforcement, drainage, and erosion control. Contact our sales team at 1-863-270-8118 to discuss your erosion control requirements. 463 0 obj << /Linearized 1 /O 465 /H [ 928 1116 ] /L 999132 /E 15929 /N 109 /T 989753 >> endobj xref 463 26 0000000016 00000 n 0000012468 00000 n Placement of Bedding Material 1. When changes are made, maintain records of details, depths, heights, and other dimensions, and enter these on the as-built plans. The finish surface must be roughened by brushing to expose rocks. Click on a heading to sort by that heading. Geotextiles. Copyright 2023 TenCate Geosynthetics Americas. Your search for great running gear starts and ends with us. 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. There are three material gra requirements based on required rock layer dation thicknesses. 3. <>/Font<>>>/Fields[]>> {s9y^ 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. Costs and Installation Tips When Building a Riprap Barrier - The Spruce Intermediate, or B dimension (i.e., width) where A dimension is length, and C dimension is thickness. California Department Of Transportation: Item Code Search Observe construction to ensure the contractor does the placing, finishing, and curing as specified. 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. Click on the product name for a data sheet. On a cut slope, this could be due to . 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. Mirafi N-Series - TenCate Geosynthetics California - Geotextiles & DOT Specifications - US Fabrics Running Mask Near MeSocial distancing standards are . Or fastest Otherwise, placement could result in what is known as rockers or unstable rocks. Refer to Section 4-96, Geosynthetics, of this manual for guidelines on inspecting and accepting rock slope protection fabric. Erosion control is an important element of successful slope protection. FHWA - Center for Local Aid Support - Publications Shoreline Erosion Control Fabric Pro Fabric Supply 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. 0000000928 00000 n The maximum height of the vertica l lower portions 3.5 feet. rock slope protection (3/8 t, class vi, method b) (ton) 723060 rock slope protection (300 lb, class iv, method b) (cy) . Chapter 4: Construction Details, Section 72: Slope Protection 1 0 obj Draw Down Device, Sediment Basin Schematic - Vert. When exposed aggregate slope paving is specified, ensure any concrete set retarders are used in accordance with manufacturer instructions. IMPLEMENTATION OF ROCK SLOPE PROTECTION (RSP) DESIGN | Conditions of Use | Privacy Policy endobj Verify the types of measurements and records necessary to support payment for the work. AASHTO is typical mass of 4.1 sy/oz.. Thishandbook includes new and revised details for the various practices that are used in the development of erosion and sediment control plans. Temp. Neoloy Tough-Cells in slopes prevent erosion, enable drainage and stabilize the slope to provide a green surface cover. PDF Chapter 4 Construction Details - California "QamV(Z3VL> in a MS Word document format from the Ensure the equipment used during spreading does not crack the rock. Take care not to tear the filter fabric during installation. Rock grading and quality requirements per Standard Specifications. Click on the to search for an item in stream These products can be used in areas where they meet the local agency requirements. At TenCate ourgoal is your success. For measuring concrete or shotcrete, refer to Sections 4-90, Concrete, or 4-53, Shotcrete, of this manual. There are three material gradation requirements based on required rock layer thicknesses. 7 0 obj 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.