Copyright 2023 TenCate Geosynthetics Americas. <>/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<>>> 1 0 obj mum slope of two feet of horizontal distance for one foot of vertical rise. Soil Stabilization Matting - Channel Application, Perm. - Shoreline Protection with EcoTubes&trade; CALTRANS does not have an APL/QPL for fabrics. Testing must follow the frequencies shown in Section 6-1, Sample Types and Frequencies, of this manual. Natural Resources & Energy Infrastructure, Energy - Power Generation - Renewables - Solar, Energy - Power Generation - Renewables - Wind. in a MS Word document format from the 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. If there are no prevailing agency specifications, it is recommended to follow AASHTO M288 for subsurface drainage applications. All rights reserved. B. Cables. Stable rock sizes and flow depths for riprap-lined channels having gradients between 2 percent and 40 percent may 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: $21.50 Total Price: Type of work: REALIGN ROADWAY Chapter 4: Construction Details, Section 72: Slope Protection, Direction of flow and angle of impingement at various water stages, Capability of adjacent soil types to resist erosion from wash and eddy currents. 1 The contract plans will designate the required rock layer thickness for each location. Information reported to the hotline in the past has helped to eliminate certain fraudulent activities and protect State resources. Temp. 0000005681 00000 n Refer to Section 4-96, Geosynthetics, of this manual for guidelines on inspecting and accepting rock slope protection fabric. FDM 10-10-3 They are designed to protect against raveling-type rockfall that involves small-volume slope failures (up to about 7.6 m3 or 10 yd3) or blocks up to 1.5 m (5 ft), depending on the strength of the mesh used (Muhunthan et al. :t4NV]j{/mtqF*sx[%M 5%(/%(Z-F|[atK5[~{a~EwDCV:/#K)f~7*RsAnnJa>Jg-m^>\V7EOG3o?nGYIFze/l( I!&VXo]mm#7I0:EK7_LFwek K@^9t% OZ$Mb Ne#^/_*Zw;*T_]k. 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. 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. Links to important documents and pages can be found below the chart. > 0000002021 00000 n Applicability Rock Slope Armor is applicable to: Slopes where unanticipated flows are encountered. 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. Maximum slope 1.5:1 horiz:vert, (67% or 34) or flatter, and is limited to slopes < 30' of uninterrupted length. endobj The challenge was to construct a new taxiway over areas that were built on tidal flats and land reclaimed from Boston Harbor. <>/Font<>>>/Fields[]>> Contact Us 7 0 obj 4 0 obj (a) Exception: US 250NW is 5 pounds short on "grab breaking load" for Sediment Filter Bags. endobj conforming to the requirements of 710-03 Vinyl Coated Steel Fence Fabric, Class A Wire Diameter, except color. The plans will designate which type applies at each location. 2, METHOD B) (TON) (ENGMET), ROCK SLOPE PROTECTION (NO. The samples will be crushed in the laboratory to sizes needed to perform tests. We're available on the following channels. This handbook includes new and revised details for the various practices that are used in the development of erosion and sediment control plans. The maximum height of the vertica l lower portions 3.5 feet. 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. << 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. 0000012468 00000 n 2 0 obj Where applicable, inspect the footing areas and foundations for evidence of instability or areas where hydrostatic pressures may develop. Test panels may be specified in the special provisions. <> 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. These products were developed to meet specific agency (DOTs, MTOs, etc.) Mirafi 140N is a lightweight non woven geotextile that meets AASHTO M288 Class 3 geotextiles for separation and subsurface drainage. Use all suitable material in the work. 0000009682 00000 n Civil engineers and landscape architects need proven solutions to control soil erosion, stabilize slopes, enable drainage and create a visually pleasing landscape. There are three material gra requirements based on required rock layer dation thicknesses. A geotextile is typically defined as any permeable textile material used to increase soil stability, provide erosion control or aid in drainage. the contract cost database using the most recent year of data. rock slope protection (3/8 t, class vi, method b) (ton) 723060 rock slope protection (300 lb, class iv, method b) (cy) . endobj /Filter/FlateDecode Close observation is required during rock placement to detect any damage to the fabric. Mirafi 180N is a moderate weight nonwoven geotextile that meets AASHTO M288 Class 1 geotextiles for separation and subsurface drainage. Click it again to reverse the order. Intermediate, or B dimension (i.e., width) where A dimension is length, and C dimension is thickness. 5. 1, METHOD B) (CY), ROCK SLOPE PROTECTION (NO. 0000008331 00000 n Retaining Walls & Slope Stability This translates to a 0.75H: 1V incline and is shown below. endobj For details about concrete production, review Section 4-90, Concrete, of this manual. (You may enter part of the word or the whole phrase). Check the area to be protected to ensure that the required expansion joints are in place. Geofabrics offers a range of engineered slope, embankment and retaining wall solutions of use in transport infrastructure projects. Any springs or water courses that might affect the stability of the design. Vegetation (see . Use the size and composition of yarn that is recommended by the fabric manufacturer. A Shoreline Erosion Control project would likely require fabric in the 10oz to 16oz weight range. If the slope is steeper than 2:1, do not use rounded boulders and cobbles. 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. 0000009975 00000 n To compensate for the lack of flexibility in the completed structure, ensure an adequate foundation lies below this type of protection. When exposed aggregate slope paving is specified, ensure any concrete set retarders are used in accordance with manufacturer instructions. construction contract standards page. 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. (a) Exception: US 250NW is 5 pounds short on "grab breaking load" for Sediment Filter Bags. Products with a are available to meet BABA (Build America, Buy America) requirements. 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. with a minimum of 50% of the stones . 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. When specified, ensure coloring is added to the concrete. 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. Manufacturers information can be found at: Take care not to tear the filter fabric during installation. Transportation Specifications Section 96-1.02I for Rock Slope Protection Fabric, Class 8, nonwoven geotextile. rock slope protection fabric (class 8) 591200 rock stain: 780450 rock stain: 720110 small-rock slope protection: 192032 structure excavation (rock slope protection) (engmet) 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. At the terminals of protection, ensure the contractor is particularly careful to avoid erosion and undercutting. <> endobj Observe construction to ensure the contractor does the placing, finishing, and curing as specified. 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. 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 N-Series Product Description Sheet. HToL[U?Ayb:V;%Y48{RMLIlq&+J[mNN?J;A? This has been superseded by Caltrans New Riprap Classes. 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. Center splash basin . Slope protection is usually needed to protect the upstream slope against erosion due to wave action. 5 0 obj . Soil Stabilization Matting - Channel Application, Temp. Consult engineer to ensure applicable design requirements are met. 9 0 obj Copies of these details are made available below in both Adobe Portable Document Format(PDF) and AUTOCAD Drawing (DWG) file formats. Refer to Section 4-96, Geosynthetics, of this manual for guidelines for inspecting and accepting rock slope protection fabric. 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. or call >> 3, METHOD B) (CY), ROCK SLOPE PROTECTION (NO. 1800 Washington Blvd., Baltimore, MD 21230, Stormwater, Dam Safety, and Flood Management Home, Plan Review for State and Federal Projects. Be sure to consult your local project engineer or construction professional about the rock sizing and particular . Roll size is 15'x300 Equivalent to Mirafi 1120NC or Skaps GT112 (Click here for spec) 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.. Type R. Use stones between 50 and 250 lb. Review the plans for the location and number of weep holes. Soil Stabilization Matting - Slope Application, Perm. 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. Review contractors verification of unit weight of rock-filled gabions. JavaScript is required to use content on this page. com routes make excellent running trails for serious runners and casual joggers, alike. Draw Down Device, Sediment Basin Schematic - Vert. Mirafi 135N, 140NL and 140NC are lighter weight versions of Mirafi 140N . Obtain rock samples for acceptance tests. Ensure that the contractor performs concrete finishing as specified and that the slope paving is cured by one of the specified methods. Shop Lowe's for solutions to control erosion on slopes, as well. Please enable JavaScript in your browser. On a cut slope, this could be due to . =w (j($M/!bMbo,iDjQL1{L! 3 0 obj Rock riprap consists of loose rock that is dumped on the slope and distributed. Note any changes that may have occurred between the preliminary design studies and the start of construction. 6'' min. Geosynthetic Bond Breaker (Call for product. 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. 0000005658 00000 n Keep records up to date. PsVPvCHWTxml4N,P>{Ur]JBV:V,iVkNm(C d3@p/J3O//.cji-+TA3 dsU)~Ds:mp7=h&X#0C]\:k`#+VW^`0 0=F5VvL(^f Protection involves constructing a heavy mass of smaller rocks bound together by concrete. uuid:bc193511-b4f2-4d99-b47d-5ec173dc2f21 endobj 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. Resident engineers should be familiar with the material contained in Chapters 870, Bank ProtectionErosion Control, and 880, "Shore Protection," of the Highway Design Manual. Barrier Landscape Edging & Paver Edging 6'/8. The plans indicate the minimum depths of foundations. 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 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. 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.