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Complete the Patio or Walkway 6. Review contractors verification of unit weight of rock-filled gabions. mum slope of two feet of horizontal distance for one foot of vertical rise. 0000015681 00000 n /Type/ExtGState Riprap can be used to stabilize slopes to prevent erosion and provide support. 3, METHOD B) (CY), ROCK SLOPE PROTECTION (NO. Test panels may be specified in the special provisions. 0000014231 00000 n (For large riprap, consider a four inch layer of sand to protect the . 1. 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. RSP-fabric Type of geotextile and quality requirements per Section 96 Rock Slope Protection Fabric of the Standard Specifications. 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. Inspect the rock to ensure it has been cleaned of any adhering dirt and clay and is moistened before concrete placement. US 160NW resists ultraviolet and biological deterioration, rotting, naturally encountered basics and acids. /OP true construction contract standards page. Type R. Use stones between 50 and 250 lb. Barrier Landscape Edging & Paver Edging 6'/8. Values shown are based on Table 873.3A dimensions and an assumed specific gravity of 2.65. PsVPvCHWTxml4N,P>{Ur]JBV:V,iVkNm(C d3@p/J3O//.cji-+TA3 dsU)~Ds:mp7=h&X#0C]\:k`#+VW^`0 0=F5VvL(^f All items. stream Graniterock has a 101-year history of providing high quality products and service. B. Cables. 1800 Washington Blvd., Baltimore, MD 21230, Stormwater, Dam Safety, and Flood Management Home, Plan Review for State and Federal Projects. xZrFou D[&! Source: Caltran Highway Design Manual, Chapter 870 0000009682 00000 n Protection involves constructing a heavy mass of smaller rocks bound together by concrete. << Vegetation (see . 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.. { , IMPLEMENTATION OF ROCK SLOPE PROTECTION (RSP) DESIGN. | Conditions of Use | Privacy Policy This handbook includes new and revised details for the various practices that are used in the development of erosion and sediment control plans. Slope protection is usually needed to protect the upstream slope against erosion due to wave action. 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 2019-07-30T13:47:33-04:00 XYo[unHCih,(~ t@K{ y.EmvKhy?_\F6.nO?iV5FlD,#t~J7z@Al.z_ooA=H /$Q-Aav. A geotextile is typically defined as any permeable textile material used to increase soil stability, provide erosion control or aid in drainage. Observe closely during rock placement to detect any damage to the fabric. 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. Rock grading and quality requirements per Standard Specifications. 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. (see Riprap Slope Protection Worksheet). Geotextiles. Review the plans for the location and number of weep holes. Transportation Specifications Section 96-1.02I for Rock Slope Protection Fabric, Class 8, nonwoven geotextile. <> At the start of gabion placement, require the contractor to verify the minimum unit weight of the gabions to ensure it meets specifications. 1 0 obj Neoloy Tough-Cells in slopes prevent erosion, enable drainage and stabilize the slope to provide a green surface cover. Cold storms bringing wind, rain and low-elevation snow heavy at times are forecast through early March. 0000011079 00000 n "QamV(Z3VL> Properly designed and planted vegetative covers play More simply put, if it is made of fabric and buried in the ground it is probably a geotextile! Benchmark inspection of sampling and testing of rocks. Information reported to the hotline in the past has helped to eliminate certain fraudulent activities and protect State resources. 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. 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. The color shall be black unless otherwise specified in the contract documents. 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 Without proper slope protection, a serious erosion problem known as "beaching" can develop on the upstream slope. The challenge was to construct a new taxiway over areas that were built on tidal flats and land reclaimed from Boston Harbor. 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. 2. 0000000928 00000 n AASHTO is typical mass of 4.1 sy/oz.. 3. If the slope is steeper than 2:1, do not use rounded boulders and cobbles. 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. > IMPLEMENTATION OF ROCK SLOPE PROTECTION (RSP) DESIGN rock slope protection (3/8 t, class vi, method b) (ton) 723060 rock slope protection (300 lb, class iv, method b) (cy) . %PDF-1.3 % main search page where you can specify additional parameters. Place a highly permeable and appro-priately sized geotextile filter fabric on the prepared slope following the manufacturer's recommendations. Geofabrics offers a range of engineered slope, embankment and retaining wall solutions of use in transport infrastructure projects. Use 5 to 7 st Weight will vary based on density of rock available for the project. Testing must follow the frequencies shown in Section 6-1, Sample Types and Frequencies, of this manual. 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. 2005), although maintenance considerations may serve to reduce this maximum size. JavaScript is required to use content on this page. %PDF-1.4 % (You may enter part of the word or the whole phrase). 0000009975 00000 n State-furnished materials and expenses, as well as supplemental work items and descriptions. For RSP Classes IX thru XI, use Class 10 RSP-fabric. 2, METHOD B) (TON) (ENGMET), ROCK SLOPE PROTECTION (NO. Take care not to tear the filter fabric during installation. 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 All rights reserved. Ensure that the contractor performs concrete finishing as specified and that the slope paving is cured by one of the specified methods. Decide whether modifications are necessary as a result of changed conditions. To provide the desired cleanliness, the contractor may need to sluice the rock or facing. The gabion method consists of placing wire mesh box-shaped baskets filled onsite with hard, durable rocks. <>stream Maximum slope 1.5:1 horiz:vert, (67% or 34) or flatter, and is limited to slopes < 30' of uninterrupted length. Standard contract items and descriptions for Caltrans projects. 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. <>stream The devices include ground covers and channel liners such as: 1. These products can be used in areas where they meet the local agency requirements. 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. Review Section 4-90, Concrete, of this manual for details about concrete production. <> 1, METHOD B) (TON), ROCK SLOPE PROTECTION (NO. ), Geocomposite Wall Drain (w/ 6oz on 1 or 2 sides - Please specify.). When specified, ensure coloring is added to the concrete. This information is to be used only as a guide. Ensure that rocks of the specified sizes and shapes are being used. 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. Click on the product name for a data sheet. 1 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. Copies of these details are made available below in both Adobe Portable Document Format(PDF) and AUTOCAD Drawing (DWG) file formats. You can also lay bags of sand along problem areas in your landscape to keep soil from washing away and to redirect water. 0000002313 00000 n Start by choosing whether your patio is a **single rectangle** or if it has a different shape, in which case you. The Standard Specifications provide two methods of placement for this type of protection: Method A and Method B.