Angular shaped rock may be used on any planned slope. CHAPTER 5 SURFACE AND SLOPE PROTECTIVE MEASURES - Food and Agriculture Slopes & Walls | Geofabrics Complete the Patio or Walkway 6. The gabion method consists of placing wire mesh box-shaped baskets filled onsite with hard, durable rocks. When evidence exists that the foundation depth is inadequate, obtain both the design and hydraulics engineers concurrence with a change order to deepen the foundation. Mirafi N-Series nonwovens combine high water flow rates, high soil interaction and durability while providing excellent soil particle retention. The heavier fabrics provide more strength and are less likely to tear when large class II or Class III boulders are placed on them. For measurement and payment, do the following: Chapter 1 - Caltrans Construction Organization, CalOES: Power Outage and Fire Recovery Resources. Temp. Standard contract items and descriptions for Caltrans projects. Erosion control is an important element of successful slope protection. engineering fabric pinned to the slope, or both a . Obtain rock samples for acceptance tests. Rock grading and quality requirements per Standard Specifications. Whether you're speeding down a slope or cycling uphill, the F5 can be worn in a number of ways to fit your training and needs. Riprap is typically placed along graded ditch, channel, and shoreline banks over geotextile, which prevents erosional undercutting. For Type R, F, or Common stone riprap, provide Type 2 filter fabric when shown on the plans. << More simply put, if it is made of fabric and buried in the ground it is probably a geotextile! Intermediate, or B dimension (i.e., width) where A dimension is length, and C dimension is thickness. The maximum height of the vertica l lower portions 3.5 feet. 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. 10 0 obj com routes make excellent running trails for serious runners and casual joggers, alike. At the start of gabion placement, require the contractor to verify the minimum unit weight of the gabions to ensure it meets specifications. PDF BMP 17.00. Rock Slope Armor - Alaska 5. Test panels may be specified in the special provisions. 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. 7 0 obj (a) Exception: US 250NW is 5 pounds short on "grab breaking load" for Sediment Filter Bags. Verify the types of measurements and records necessary to support payment for the work. 6 0 obj The challenge was to construct a new taxiway over areas that were built on tidal flats and land reclaimed from Boston Harbor. Copyright 2023 TenCate Geosynthetics Americas. Slope protection is usually needed to protect the upstream slope against erosion due to wave action. endobj Intermittent inspection of placement of slope protection, slope paving, and fabric operations. main search page where you can specify additional parameters. 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 0000002044 00000 n These products can be used in areas where they meet the local agency requirements. 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 riprap consists of loose rock that is dumped on the slope and distributed. - Shoreline Protection with EcoTubes&trade; CALTRANS does not have an APL/QPL for fabrics. 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. 3, METHOD B) (CY), ROCK SLOPE PROTECTION (NO. 6'' min. 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. 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 { , IMPLEMENTATION OF ROCK SLOPE PROTECTION (RSP) DESIGN. Manufacturers information can be found at: 0000008354 00000 n BMP040 "rock slope protection (no fabric)" as applicable. /OPM 1 5 0 obj All rights reserved. 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. Order corrective work when necessary. At TenCate ourgoal is your success. 0000005658 00000 n The chart below lists US Fabrics' geosynthetics meeting CALTRANS specifications. 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. State-furnished materials and expenses, as well as supplemental work items and descriptions. For details about concrete production, review Section 4-90, Concrete, of this manual. Contract Cost Data Project Details. << Nominal RSP class by median particle diameterb Nominal median KEwAx{N*$J }COpU?s{bs. 0000013346 00000 n Note any changes that may have occurred between the preliminary design studies and the start of construction. "QamV(Z3VL> There are three material gra requirements based on required rock layer dation thicknesses. Benchmark inspection of sampling and testing of rocks. 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. PDF RG80NC Nonwoven Geotextile for Rock Slope Protection Class 8 Certification Source: Caltran Highway Design Manual, Chapter 870 Technical Support available for assistance. endobj 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. stream Enter the item description of the code you wish to search for: Graniterock has a 101-year history of providing high quality products and service. The gabions are placed on filter fabric as detailed in the plans and specifications. On a cut slope, this could be due to . Where applicable, inspect the footing areas and foundations for evidence of instability or areas where hydrostatic pressures may develop. Ensure concrete is cured by one of the specified methods. PDF California Bank and Shore Rock Slope Protection Design 3 0 obj (You may enter part of the word or the whole phrase). This has been superseded by Caltrans New Riprap Classes. 4 0 obj Geotextiles - Products - US Fabrics We're available on the following channels. To better control the contractors selection of rocks for placing, ensure the contractor paints tonnage on large rocks used in foundation construction. 0000000871 00000 n 1 Obtain initial samples and have them tested for the specified attributes. . 1. ITEM 601 SLOPE AND CHANNEL PROTECTION - Pages 0000009975 00000 n Costs and Installation Tips When Building a Riprap Barrier - The Spruce 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. 1, METHOD B) (CY), ROCK SLOPE PROTECTION (NO. 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. Also, ensure the contractor does not drop rock into place; otherwise, cracking or breaking may occur. % 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. 2. Method B is not restrictive with respect to the placement of individual rocks. endobj California Department Of Transportation: Item Code Search Upstream Slope Protection | Association of State Dam Safety The samples will be crushed in the laboratory to sizes needed to perform tests. Information reported to the hotline in the past has helped to eliminate certain fraudulent activities and protect State resources. 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. 0000005681 00000 n Draw Down Device, Temporary Access Bridge (1 of 2, PDF only), Temporary Access Bridge(2 of 2, PDF only), Temporary Access Culvert (1 of 2, PDF only), Temporary Access Culvert (2 of 2, PDF only), Onsite Concrete Washout Structure (1 of 2, PDF only), Onsite Concrete Washout Structure (2 of 2, PDF only), If you are experiencing difficulty accessing these details or if there are anyquestions, please contact the Sediment, Stormwater & Dam Safety Program at (410) 537-3543 or by email (Amanda.Malcolm@maryland.gov, National Human Trafficking Hotline - 24/7 Confidential. %PDF-1.3 % (b) Paving fabric specification requires a minimum mass of 4.1 sy/oz. A Shoreline Erosion Control project would likely require fabric in the 10oz to 16oz weight range. 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 For measuring concrete or shotcrete, refer to Sections 4-90, Concrete, or 4-53, Shotcrete, of this manual. 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. 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. 2 0 obj <>/Font<>>>/Fields[]>> Soil Stabilization Matting - Slope Application, Perm. 0000002021 00000 n For details about concrete production, review Section 4-90, Concrete, of this manual. Angular shaped rock may be used on any planned slope. 0000000928 00000 n The finish surface must be roughened by brushing to expose rocks. To respond to the different problems associated with instability of rock faces, Geofabrics also has a broad range of independently verified rockfall mitigation systems. uuid:30dd8676-a64b-4579-9ccf-fc82965d356f Woven Stabilization and Separation Geotextiles, - Dimensions & Weights for EcoTubes Geotextile Dewatering Tubes, - Dimensions & Weights for EnviroGrid Cellular Confinement, - Material Safety Data Sheet (MSDS) - Drainboard, - Material Safety Data Sheet (MSDS) - Stratagrid, - Material Safety Data Sheet (MSDS) - Envirogrid, - Product Advantages of EcoTubes Geotextile Dewatering Tube, - Product Benefits of EcoTubes Sludge Dewatering Tubes, - Product Benefits of US Fabrics' Foundation Drains, - Product Benefits of US Fabrics' Sheet Drains, Design/Installation Guidelines; Applications, - Comparing Old Style & New Style - Strata Geogrid, - French Drain Exterior Foundation Install, - Geogrid & Welded Wire Form Inside Corner Placement, - Installation Guideline for Separation Heavy Geotextile, - Installation Guideline for Separation Medium Geotextile, - Sheet Drain Exterior Foundation Install, - Theoretical Tube Volumes & Dewatering Capabilities, - Typical Cross Section - Vegetated Reinforced Soil Slope, - Equivalent Products for Composite Drains, - Volumes & Dewatering Capabilities for EcoTubes Geotextile Dewatering Tubes, - Geogrid Quality for Finished Product and Raw Materials, - Use Woven Geotextiles Instead of Geogrids, - Municipal Waste Water & Water Treatment w/ EcoTubes, - SRW (Segmental Retaining Wall) Drainage. Refer to Section 6-202, Responsibilities for Acceptance of Manufactured or Fabricated Materials and Products, of this manual for additional information. with a minimum of 50% of the stones . requirements. Mirafi 135N, 140NL and 140NC are lighter weight versions of Mirafi 140N . Erosion Control Blankets Wattles help slow water runoff and reduce soil erosion. Properly designed slope protection and stabilization has to include two components: a vegetational-biological and a mechanical-structural component. The Standard Specifications provide two methods of placement for this type of protection: Method A and Method B. 2019-07-30T13:44:04-04:00 Erosion control devices provide direct protection to the soil surface therefore, are considered one the best measures for preventing erosion. These supersede the previous Caltrans Riprap Sizes. The plans indicate the minimum depths of foundations. endobj Please enable JavaScript in your browser. Shoreline Erosion Control Fabric Pro Fabric Supply 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. FDM 10-10-3 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 . HToL[U?Ayb:V;%Y48{RMLIlq&+J[mNN?J;A? 9 0 obj Products with a are available to meet BABA (Build America, Buy America) requirements. They blanket the soil, protecting it from wind and water forces. 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. There are three material gradation requirements based on required rock layer thicknesses. Mirafi N-Series Product Description Sheet. Running Mask Near MeSocial distancing standards are . Or fastest Consult engineer to ensure applicable design requirements are met. Lap 6'' min. Close observation is required during rock placement to detect any damage to the fabric. 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. 0000012468 00000 n Copyright Maryland.gov. YOU MUST NOTIFY US FABRICS BEFORE RECEIVING PRICING. Inspect the rock to ensure it has been cleaned of any adhering dirt and clay and is moistened before concrete placement. Place a layer (six inch minimum) of mum slope of two feet of horizontal distance for one foot of vertical rise. These products were developed to meet specific agency (DOTs, MTOs, etc.) At the terminals of protection, ensure the contractor is particularly careful to avoid erosion and undercutting. Keep records up to date. Use 5 to 7 st PsVPvCHWTxml4N,P>{Ur]JBV:V,iVkNm(C d3@p/J3O//.cji-+TA3 dsU)~Ds:mp7=h&X#0C]\:k`#+VW^`0 0=F5VvL(^f <> Provide galvanized guide rail cables a minimum 19 mm in diameter, consisting . For maximum effect, both components must be integrally planned prior to road construction. 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. >> Decide whether an adequate number has been provided for the particular installation. Protection involves constructing a heavy mass of smaller rocks bound together by concrete. +NXR!ft]l|\P2. Mirafi 160N is a lightweight nonwoven geotextile that meet AASHTO M288 Class 2 geotextiles for separation and subsurface drainage. 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. 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. You may be trying to access this site from a secured browser on the server. PDF STANDARD FOR SLOPE PROTECTION STRUCTURES - Government of New Jersey RSP-fabric Type of geotextile and quality requirements per Section 96 Rock Slope Protection Fabric of the Standard Specifications. (b) Paving fabric specification requires a minimum mass of 4.1 sy/oz. RSP-fabric Type of geotextile and quality requirements per Section 96 Rock Slope Protection Fabric of the Standard Specifications. RG12N Nonwoven Geotextile with a 300 lbs grab tensile strength and a flow rate of 65 gallons a minute per square foot. Soil Stabilization Matting - Channel Application, Temp. GHnBc__'h1'u]SO0P+R&yGeJ$FP?cSp28 1}9AQ #T6Bc*)_vU"]T hY# endobj 0000004037 00000 n When slope paving with concrete pavers is specified, ensure the special provision requirements are met. PDF Implementation of Rock Slope Protection (Rsp) Design 0000009682 00000 n Center splash basin . 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 Retaining Walls & Slope Stability rock slope protection (3/8 t, class vi, method b) (ton) 723060 rock slope protection (300 lb, class iv, method b) (cy) . 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. 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. To provide the desired cleanliness, the contractor may need to sluice the rock or facing. endobj Geotextiles have been in use for thousands of years dating back to the Egyptian Pharaohs. Flat or needle shaped rock must not be used unless the individual rock thickness is greater than 0.33 times the length. <> This article studies the mechanical properties and stability of CC slope protection by comparing it with conventional material (shotcrete). Broken-concrete slope protection consists of placing broken concrete from job site locations identified within the contract. /Type/ExtGState :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 prevention practices - Riprap - Minnesota Stormwater Manual PDF California Bank and Shore Rock Slope Protection Design Click on the to send the number to the FHWA - Center for Local Aid Support - Publications 3, METHOD B) (TON), STRUCTURE EXCAVATION (ROCK SLOPE PROTECTION) (ENGMET). Smooth the graded foundation. 3. When specified, ensure coloring is added to the concrete. 0000014231 00000 n If there are no prevailing agency specifications, it is recommended to follow AASHTO M288 for subsurface drainage applications. Applicability Rock Slope Armor is applicable to: Slopes where unanticipated flows are encountered. This information is to be used only as a guide. Links to important documents and pages can be found below the chart. The plans will designate which type applies at each location. Roll size is 15'x300 Equivalent to Mirafi 1120NC or Skaps GT112 (Click here for spec) Mirafi N-Series - TenCate Geosynthetics the contract cost database using the most recent year of data. <> Ensure existing shrubs and trees are protected so that they continue to anchor the surrounding soil. Geotextiles. Placement of Bedding Material 1. Place a highly permeable and appro-priately sized geotextile filter fabric on the prepared slope following the manufacturer's recommendations. or call PDF Riprap Slope Protection Neoloy Tough-Cells in slopes prevent erosion, enable drainage and stabilize the slope to provide a green surface cover. 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. 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. AASHTO is typical mass of 4.1 sy/oz. Contact our sales team at 1-863-270-8118 to discuss your erosion control requirements. Nonwoven Geotextile Fabrics Type R. Use stones between 50 and 250 lb. Barrier Landscape Edging & Paver Edging 6'/8. in a MS Word document format from the 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. (For large riprap, consider a four inch layer of sand to protect the . /Filter/FlateDecode Properly designed and planted vegetative covers play Details from the 2011 Maryland Standards and Specifications

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