DOCX ppmoe.dot.ca.gov Temp. This section provides guidelines for inspecting slope protection for work specified under Section 72, Slope Protection, of the Standard Specifications. 0000007052 00000 n 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. If necessary, order additional weep holes. rock slope protection (3/8 t, class vi, method b) (ton) 723060 rock slope protection (300 lb, class iv, method b) (cy) . For measuring concrete or shotcrete, refer to Sections 4-90, Concrete, or 4-53, Shotcrete, of this manual. Retaining Walls & Slope Stability 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. 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. KEwAx{N*$J }COpU?s{bs. 99 (30% off) Best Selling Saucony Flat Mask By mrhzid $8. 0000012187 00000 n Center splash basin . These products were developed to meet specific agency (DOTs, MTOs, etc.) Review contractors verification of unit weight of rock-filled gabions. Nonwoven Geotextile Fabrics 6'' min. 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. PDF BMP 17.00. Rock Slope Armor - Alaska endobj A Shoreline Erosion Control project would likely require fabric in the 10oz to 16oz weight range. 9 0 obj Ensure that the contractor places the fabric before placing the rock slope protection. Refer to Section 4-96, Geosynthetics, of this manual for guidelines on inspecting and accepting rock slope protection fabric. <> (For large riprap, consider a four inch layer of sand to protect the . 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. Decide whether an adequate number has been provided for the particular installation. If the fabric is joined by stitched seams, stitch with contrasting colored yarn. >> Observe closely during rock placement to detect any damage to the fabric. PDF California Bank and Shore Rock Slope Protection Design Without proper slope protection, a serious erosion problem known as "beaching" can develop on the upstream slope. If the slope is steeper than 2:1, do not use rounded boulders and cobbles. 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. Geofabrics offers a range of engineered slope, embankment and retaining wall solutions of use in transport infrastructure projects. Before placement of the broken concrete, inspect the material and be sure the reinforcement has been removed flush to the surface of concrete. TAR_%R5Wa%*x4ux-x5d1c iU:v9b!KXGcFK 1fN2 t K! BMP040 "rock slope protection (no fabric)" as applicable. Applicability Rock Slope Armor is applicable to: Slopes where unanticipated flows are encountered. Contact our sales team at 1-863-270-8118 to discuss your erosion control requirements. 0000014254 00000 n The bid item list and plans will specify which type of slope protection is to be performed. 0000000871 00000 n Erosion control devices provide direct protection to the soil surface therefore, are considered one the best measures for preventing erosion. endobj Soil Stabilization Matting - Channel Application, Perm. If there are no prevailing agency specifications, it is recommended to follow AASHTO M288 for subsurface drainage applications. 0000012468 00000 n 10 0 obj Draw Down Device, Sediment Basin Schematic - Vert. 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 Flat or needle shaped rock must not be used unless the individual rock thickness is greater than 0.33 times the length. Cold storms bringing wind, rain and low-elevation snow heavy at times are forecast through early March. IMPLEMENTATION OF ROCK SLOPE PROTECTION (RSP) DESIGN 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. For RSP Classes IX thru XI, use Class 10 RSP-fabric. =w (j($M/!bMbo,iDjQL1{L! The State of Maryland pledges to provide constituents, businesses, customers, and stakeholders with friendly and courteous, timely and responsive, accurate and consistent, accessible and convenient, and truthful and transparent services. Source: Caltran Highway Design Manual, Chapter 870 The concrete slope protection method consists of paving the embankment with portland cement concrete. Benchmark inspection of sampling and testing of rocks. {.sAewh[w#Iv#W6f" $JOPf/W%%XKK&A~b ?nfY_iu"m]HDwP) Rp Design and construction application of concrete canvas for slope protection endobj When specified, ensure coloring is added to the concrete. 0000005681 00000 n Polypropylene is stable within a pH range of 2 to 13. YOU MUST NOTIFY US FABRICS BEFORE RECEIVING PRICING. Shoreline Erosion Control Fabric Pro Fabric Supply Note any changes that may have occurred between the preliminary design studies and the start of construction. When exposed aggregate slope paving is specified, ensure any concrete set retarders are used in accordance with manufacturer instructions. 2005), although maintenance considerations may serve to reduce this maximum size. Soil Stabilization Matting - Channel Application, Temp. 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. <>/Font<>>>/Fields[]>> 1, METHOD B) (TON), ROCK SLOPE PROTECTION (NO. 3, METHOD B) (CY), ROCK SLOPE PROTECTION (NO. Temporary structures shall be left in place until adequate vegetation and the permanent . Geotextiles. The chart below lists US Fabrics' geosynthetics meeting CALTRANS specifications. 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. Geotextiles have been in use for thousands of years dating back to the Egyptian Pharaohs. Contract Cost Data Project Details. Where applicable, inspect the footing areas and foundations for evidence of instability or areas where hydrostatic pressures may develop. State-furnished materials and expenses, as well as supplemental work items and descriptions. Upstream Slope Protection | Association of State Dam Safety The contract plans will designate the required rock layer thickness for each location. Neoloy Tough-Cells in slopes prevent erosion, enable drainage and stabilize the slope to provide a green surface cover. 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 . The finish surface must be roughened by brushing to expose rocks. Shop Lowe's for solutions to control erosion on slopes, as well. 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. 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"). . | Conditions of Use | Privacy Policy Use all suitable material in the work. 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. Mirafi 160N is a lightweight nonwoven geotextile that meet AASHTO M288 Class 2 geotextiles for separation and subsurface drainage. Slope protection structures are to be used where concentrated water will cause excessive erosion on existing and/or recent cut and fill slopes. More simply put, if it is made of fabric and buried in the ground it is probably a geotextile! Copyright Maryland.gov. NTPEP Datamine Information: RG80NC is a tracking model number for the following manufacturers products: Mirafi 180NC, SKAPS GE180/GT180C or Propex 861. construction contract standards page. 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. 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. A geotextile is typically defined as any permeable textile material used to increase soil stability, provide erosion control or aid in drainage. ITEM 601 SLOPE AND CHANNEL PROTECTION - Pages Mirafi 140N is a lightweight non woven geotextile that meets AASHTO M288 Class 3 geotextiles for separation and subsurface drainage. You may be trying to access this site from a secured browser on the server. 0000000928 00000 n When changes are made, maintain records of details, depths, heights, and other dimensions, and enter these on the as-built plans. Contact your local TenCate Geosynthetic representative for the proper use and specification of these products. Your search for great running gear starts and ends with us. Rock Slope Protection practice is intended for slopes too unstable for revegetation practices alone. Please enable JavaScript in your browser. PDF Chapter 4 Construction Details - California 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. 2 0 obj Soil Stabilization Matting - Slope Application, Perm. PDF DESIGNER INFORMATION - Iowa Department of Transportation 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. Natural Resources & Energy Infrastructure, Energy - Power Generation - Renewables - Solar, Energy - Power Generation - Renewables - Wind. %PDF-1.4 % Rock Slope Protection / Rip Rap - Graniterock 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. xZrFou D[&! Lap 6'' min. Erosion control is an important element of successful slope protection. The latest list of Item Codes is available from HQ US 160NW resists ultraviolet and biological deterioration, rotting, naturally encountered basics and acids. Resident engineers should be familiar with the material contained in Chapters 870, Bank ProtectionErosion Control, and 880, "Shore Protection," of the Highway Design Manual. application/pdf California Department of Transportation 3, METHOD B) (TON), STRUCTURE EXCAVATION (ROCK SLOPE PROTECTION) (ENGMET). Use 5 to 7 st Geotextiles - Feature Comparison - Hanes Geo - Leggett & Platt PDF Riprap Slope Protection uuid:bc193511-b4f2-4d99-b47d-5ec173dc2f21 0000011079 00000 n <>/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<>>> Review Section 4-90, Concrete, of this manual for details about concrete production. Geosynthetic Bond Breaker (Call for product. 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. /OP true 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 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 Rock Channel Protection Paved Gutter 601.13 Basis of Payment 601.01 Description. The maximum height of the vertica l lower portions 3.5 feet. The heavier fabrics provide more strength and are less likely to tear when large class II or Class III boulders are placed on them. endobj the contract cost database using the most recent year of data. You can also lay bags of sand along problem areas in your landscape to keep soil from washing away and to redirect water. Hydraulic Design Manual: Embankment Protection - Texas Department of (a) Exception: US 250NW is 5 pounds short on "grab breaking load" for Sediment Filter Bags. 4 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. PDF STANDARD FOR SLOPE PROTECTION STRUCTURES - Government of New Jersey 0000005658 00000 n (see Riprap Slope Protection Worksheet). Decide whether modifications are necessary as a result of changed conditions. 0000013346 00000 n PDF Riprap Revetments - Ohio Department of Natural Resources 0000004014 00000 n Thishandbook includes new and revised details for the various practices that are used in the development of erosion and sediment control plans. This has been superseded by Caltrans New Riprap Classes. If you have any questions or would like to learn more, please contact us. Broken-concrete slope protection consists of placing broken concrete from job site locations identified within the contract. endobj There are three material gradation requirements based on required rock layer thicknesses. 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. Links to important documents and pages can be found below the chart. Click on the to search for an item in << 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. ), Geocomposite Wall Drain (w/ 6oz on 1 or 2 sides - Please specify.). Mirafi N-Series Product Description Sheet. stream Copies of these details are made available below in both Adobe Portable Document Format (PDF) and AUTOCAD Drawing (DWG) file formats. 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. 0000002336 00000 n 2 0 obj Check to ensure that slopes and foundation areas are graded and compacted to specified tolerances. /Type/ExtGState California Department Of Transportation: Item Code Search The plans will designate which type applies at each location. % Smooth the graded foundation. 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. Rock grading and quality requirements per Standard Specifications. Please enable scripts and reload this page. The contractor must also ensure the construction of adequate returns and keys at the ends. Mirafi N-Series nonwovens combine high water flow rates, high soil interaction and durability while providing excellent soil particle retention. Ensure that rocks of the specified sizes and shapes are being used. 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. Class 2 is the default Class for M288 applications. Geotextiles - Products - US Fabrics Fabric used for rock slope protection, temporary construction roadways, separation, stabilization, reinforcement, drainage, and erosion control. At TenCate ourgoal is your success. Chapter 4: Construction Details, Section 72: Slope Protection %PDF-1.4 5 0 obj 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.. in a MS Word document format from the 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. The color shall be black unless otherwise specified in the contract documents. Consult engineer to ensure applicable design requirements are met. Method B is not restrictive with respect to the placement of individual rocks. Start by choosing whether your patio is a **single rectangle** or if it has a different shape, in which case you. Flat or needle shaped rock must not be used unless the individual rock thickness is greater than 0.33 times the length. Details from the 2011 Maryland Standards and Specifications 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. Title: SECTION 212 ROCK SLOPE REINFORCEMENT AND CATCHMENT SYSTEMS (You may enter part of the word or the whole phrase). Click on the product name for a data sheet. 2, METHOD B) (CY) (ENGMET), ROCK SLOPE PROTECTION (NO. Click on the to send the number to the Ensure the equipment used during spreading does not crack the rock. This handbook includes new and revised details for the various practices that are used in the development of erosion and sediment control plans. Need quick pricing on Erosion Control Fabric? <> Values shown are based on Table 873.3A dimensions and an assumed specific gravity of 2.65. endobj 1, METHOD B) (CY), ROCK SLOPE PROTECTION (NO. <> 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. PsVPvCHWTxml4N,P>{Ur]JBV:V,iVkNm(C d3@p/J3O//.cji-+TA3 dsU)~Ds:mp7=h&X#0C]\:k`#+VW^`0 0=F5VvL(^f Ensure concrete is cured by one of the specified methods. US 160NW is a nonwoven needlepunched geotextile made of 100% polypropylene staple filaments. 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. For details about concrete production, review Section 4-90, Concrete, of this manual. RSP-fabric Type of geotextile and quality requirements per Section 96 Rock Slope Protection Fabric of the Standard Specifications. This article studies the mechanical properties and stability of CC slope protection by comparing it with conventional material (shotcrete). Riprap can be used to stabilize slopes to prevent erosion and provide support. Any springs or water courses that might affect the stability of the design. Roll size is 15'x300 Equivalent to Mirafi 1120NC or Skaps GT112 (Click here for spec) RSP-fabric Type of geotextile and quality requirements per Section 96 Rock Slope Protection Fabric of the Standard Specifications. +NXR!ft]l|\P2. SLOPING AND BENCHING SYSTEMS - National Institute of Environmental 0000009682 00000 n /Length 5601 Intermediate, or B dimension (i.e., width) where A dimension is length, and C dimension is thickness. 3 0 obj 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. endobj PDF Implementation of Rock Slope Protection (Rsp) Design This information is to be used only as a guide. 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. item code description; 729012 rock slope protection fabric (class 10) 729011 rock slope protection fabric (class 8) 723220 concreted-rock slope protection (1/4 t, class v, method b) (ton) You may check the size of rock by roughly measuring the size and converting the volume to mass. @>|0fWp^,Y/T!*gprE."8hjjJ7kUfmYxTsX"CfU2TL]Gdb_Kg,GA/`U)H!hkJARD[R` Obtain rock samples for acceptance tests. These supersede the previous Caltrans Riprap Sizes. Obtain initial samples and have them tested for the specified attributes. or call There are three material gradation requirements based on required rock layer thicknesses. Be sure to consult your local project engineer or construction professional about the rock sizing and particular . All rights reserved. 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 gabion method consists of placing wire mesh box-shaped baskets filled onsite with hard, durable rocks. (a) Exception: US 250NW is 5 pounds short on "grab breaking load" for Sediment Filter Bags. "QamV(Z3VL> 0000008354 00000 n For Type R, F, or Common stone riprap, provide Type 2 filter fabric when shown on the plans. Technical Support available for assistance. The Maryland Department of the Environment (MDE)recentlyadopted the 2011 Maryland Standards and Specifications for Soil Erosion and Sediment Control. Take care not to tear the filter fabric during installation. Angular shaped rock may be used on any planned slope. 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. JavaScript is required to use content on this page. PDF RG80NC Nonwoven Geotextile for Rock Slope Protection Class 8 Certification Mirafi N-Series - TenCate Geosynthetics Slopes & Walls | Geofabrics conforming to the requirements of 710-03 Vinyl Coated Steel Fence Fabric, Class A Wire Diameter, except color.
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