rock slope protection fabric class 8

Copies of these details are made available below in both Adobe Portable Document Format (PDF) and AUTOCAD Drawing (DWG) file formats. 0000002044 00000 n RSP-fabric Type of geotextile and quality requirements per Section 96 Rock Slope Protection Fabric of the Standard 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. Contact your local TenCate Geosynthetic representative for the proper use and specification of these products. Testing must follow the frequencies shown in Section 6-1, Sample Types and Frequencies, of this manual. Products with a are available to meet BABA (Build America, Buy America) requirements. 3, METHOD B) (TON), STRUCTURE EXCAVATION (ROCK SLOPE PROTECTION) (ENGMET). Properly designed and planted vegetative covers play uuid:30dd8676-a64b-4579-9ccf-fc82965d356f Ensure concrete is cured by one of the specified methods. {s9y^ Rock Channel Protection Paved Gutter 601.13 Basis of Payment 601.01 Description. Review Section 4-90, Concrete, of this manual for details about concrete production. Any springs or water courses that might affect the stability of the design. Transportation Specifications Section 96-1.02I for Rock Slope Protection Fabric, Class 8, nonwoven geotextile. Applicability Rock Slope Armor is applicable to: Slopes where unanticipated flows are encountered. 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. Of the various types of instability problems, foundation failures are the most serious and most common. 0000002336 00000 n Ensure the timber spacers are of the required material and spaced as planned. Erosion control is an important element of successful slope protection. construction contract standards page. 6'' min. 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. 9 0 obj Neoloy Tough-Cells in slopes prevent erosion, enable drainage and stabilize the slope to provide a green surface cover. Enter the item description of the code you wish to search for: For measuring concrete or shotcrete, refer to Sections 4-90, Concrete, or 4-53, Shotcrete, of this manual. 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. Contact our sales team at 1-863-270-8118 to discuss your erosion control requirements. {.sAewh[w#Iv#W6f" $JOPf/W%%XKK&A~b ?nfY_iu"m]HDwP) Rp 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. Values shown are based on Table 873.3A dimensions and an assumed specific gravity of 2.65. endobj Click on a heading to sort by that heading. . Take care not to tear the filter fabric during installation. 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. Rock Slope Protection practice is intended for slopes too unstable for revegetation practices alone. Ensure that the contractor places the fabric before placing the 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. 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. application/pdf 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. 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. State-furnished materials and expenses, as well as supplemental work items and descriptions. Mirafi 180N is a moderate weight nonwoven geotextile that meets AASHTO M288 Class 1 geotextiles for separation and subsurface drainage. 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. Order corrective work when necessary. 7 0 obj /OPM 1 Source: Caltran Highway Design Manual, Chapter 870 Draw Down Device, Sediment Basin Schematic - Vert. The gabions are placed on filter fabric as detailed in the plans and specifications. If you have any questions or would like to learn more, please contact us. %PDF-1.4 % Properly designed slope protection and stabilization has to include two components: a vegetational-biological and a mechanical-structural component. Decide whether modifications are necessary as a result of changed conditions. 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 . 2019-07-30T13:44:04-04:00 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. - Shoreline Protection with EcoTubes™ CALTRANS does not have an APL/QPL for fabrics. 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. 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 the rock contains an excess of fines or inadequate voids, the desired results may be impossible to obtain. 1 0 obj Soil Stabilization Matting - Channel Application, Temp. (For large riprap, consider a four inch layer of sand to protect the . 0000002021 00000 n conforming to the requirements of 710-03 Vinyl Coated Steel Fence Fabric, Class A Wire Diameter, except color. Mirafi N-Series nonwovens combine high water flow rates, high soil interaction and durability while providing excellent soil particle retention. 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. Mirafi 135N, 140NL and 140NC are lighter weight versions of Mirafi 140N . The bid item list and plans will specify which type of slope protection is to be performed. Other Names Rock Slope Protection. :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 Temporary structures shall be left in place until adequate vegetation and the permanent . Soil Stabilization Matting - Slope Application, Perm. xZrFou D[&! 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. These products can be used in areas where they meet the local agency requirements. 2. Use 5 to 7 st 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. Resident engineers should be familiar with the material contained in Chapters 870, Bank ProtectionErosion Control, and 880, "Shore Protection," of the Highway Design Manual. 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.. Copyright 2023 TenCate Geosynthetics Americas. XYo[unHCih,(~ t@K{ y.EmvKhy?_\F6.nO?iV5FlD,#t~J7z@Al.z_ooA=H /$Q-Aav. The concrete slope protection method consists of paving the embankment with portland cement concrete. Note any changes that may have occurred between the preliminary design studies and the start of construction. 0000015681 00000 n 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 0000012187 00000 n Vegetation (see . Method B is not restrictive with respect to the placement of individual rocks. Riprap can be used to stabilize slopes to prevent erosion and provide support. You may check the size of rock by roughly measuring the size and converting the volume to mass. To respond to the different problems associated with instability of rock faces, Geofabrics also has a broad range of independently verified rockfall mitigation systems. "QamV(Z3VL> 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 Slope Protection consists of rock, concrete, or concreted rock or slope paving ROCK SLOPE PROTECTION ROCK SHOULD DEMONSTRATE Stability: Angular shapes may be used on any planed slope Durability: Resist degradation and have a durability of 52 minimum (Caltrans) Consistency: Product is the same load after load. 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. On a cut slope, this could be due to . 0000005681 00000 n All items. <>/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<>>> 0000013368 00000 n Shop Lowe's for solutions to control erosion on slopes, as well. Consult engineer to ensure applicable design requirements are met. Keep records up to date. The heavier fabrics provide more strength and are less likely to tear when large class II or Class III boulders are placed on them. 0000007029 00000 n 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 Soil Stabilization Matting - Channel Application, Perm. HToL[U?Ayb:V;%Y48{RMLIlq&+J[mNN?J;A? 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.