requirements. 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. /Type/ExtGState 10 0 obj (b) Paving fabric specification requires a minimum mass of 4.1 sy/oz. 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. To better control the contractors selection of rocks for placing, ensure the contractor paints tonnage on large rocks used in foundation construction. The contract will identify the designated method. Ensure that rocks of the specified sizes and shapes are being used. Also, ensure the contractor does not drop rock into place; otherwise, cracking or breaking may occur. Draw Down Device, Sediment Basin Schematic - Vert. Links to important documents and pages can be found below the chart. The best slope protection type for a given situation depends on the conditions where the installation is to be made, availability of protection material, cost of the various types, and protection desired. 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. Complete the Patio or Walkway 6. 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. When rock slope protection fabric is required for either method, ensure the contractor places the fabric before placing the rock slope protection. Benchmark inspection of sampling and testing of rocks. >> KEwAx{N*$J }COpU?s{bs. Soil Stabilization Matting - Channel Application, Perm. Check to ensure that slopes and foundation areas are graded and compacted to specified tolerances. Other Names Rock Slope Protection. 2019-07-30T13:47:33-04:00 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. 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 Barrier Landscape Edging & Paver Edging 6'/8. <>stream Click on the product name for a data sheet. 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. Any springs or water courses that might affect the stability of the design. Refer to Section 4-96, Geosynthetics, of this manual for guidelines for inspecting and accepting rock slope protection fabric. %PDF-1.4 > Check the area to be protected to ensure that the required expansion joints are in place. 1 This article studies the mechanical properties and stability of CC slope protection by comparing it with conventional material (shotcrete). (For large riprap, consider a four inch layer of sand to protect the . If the slope is steeper than 2:1, do not use rounded boulders and cobbles. :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 There are three material gra requirements based on required rock layer dation thicknesses. Intermediate, or B dimension (i.e., width) where A dimension is length, and C dimension is thickness. 3, METHOD B) (CY), ROCK SLOPE PROTECTION (NO. e&C+uPaN.%y5*>EJ9gcD,i4E|+I,b0 f)#H+E m:(B(u1b)Q%>cayKh 0SYB@RenkJ1HJ b#'mYtQS1 HU" 2`VoVsB: ~',2g(5DZsHrxUR5~4 4_ {YNjTjdV \ (aazR#;@1""(*$4"!f)G(J 1 0 obj 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. On a cut slope, this could be due to . xZrFou D[&! or call 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) 1, METHOD B) (CY), ROCK SLOPE PROTECTION (NO. rock slope protection fabric (class 8) 591200 rock stain: 780450 rock stain: 720110 small-rock slope protection: 192032 structure excavation (rock slope protection) (engmet) For Type R, F, or Common stone riprap, provide Type 2 filter fabric when shown on the plans. Method B is not restrictive with respect to the placement of individual rocks. . RSP-fabric Type of geotextile and quality requirements per Section 96 Rock Slope Protection Fabric of the Standard Specifications. At TenCate ourgoal is your success. Verify the types of measurements and records necessary to support payment for the work. There are three material gradation requirements based on required rock layer thicknesses. Properly designed and planted vegetative covers play Protection involves constructing a heavy mass of smaller rocks bound together by concrete. Copyright 2023 TenCate Geosynthetics Americas. Erosion control is an important element of successful slope protection. endobj endobj Geotextiles. 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. Keep records up to date. When exposed aggregate slope paving is specified, ensure any concrete set retarders are used in accordance with manufacturer instructions. All rights reserved. 1800 Washington Blvd., Baltimore, MD 21230, Stormwater, Dam Safety, and Flood Management Home, Plan Review for State and Federal Projects. 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 Temporary structures shall be left in place until adequate vegetation and the permanent . This section provides guidelines for inspecting slope protection for work specified under Section 72, Slope Protection, of the Standard Specifications. endobj 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. <>stream For RSP Classes IX thru XI, use Class 10 RSP-fabric. +NXR!ft]l|\P2. 0000009704 00000 n HToL[U?Ayb:V;%Y48{RMLIlq&+J[mNN?J;A? 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. 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. 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. (You may enter part of the word or the whole phrase). The plans indicate the minimum depths of foundations. EZw5'dr=`j+2\8:U.|V,%)~h/X8ps 0000005658 00000 n 3. /Length 5601 State-furnished materials and expenses, as well as supplemental work items and descriptions. <> Take care not to tear the filter fabric during installation. Angular shaped rock may be used on any planned slope. Center splash basin . Rock grading and quality requirements per Standard Specifications. BMP040 "rock slope protection (no fabric)" as applicable. <>/XObject<>/Properties<>>>>>/Rotate 0/StructParents 0/Tabs/S/Type/Page>> 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 contractor must also ensure the construction of adequate returns and keys at the ends. Properly designed slope protection and stabilization has to include two components: a vegetational-biological and a mechanical-structural component. When shotcrete is to be used, review Section 4-53, Shotcrete, of this manual. 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. Class 2 is the default Class for M288 applications. construction contract standards page. Copies of these details are made available below in both Adobe Portable Document Format (PDF) and AUTOCAD Drawing (DWG) file formats. (see Riprap Slope Protection Worksheet). 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.. (a) Exception: US 250NW is 5 pounds short on "grab breaking load" for Sediment Filter Bags. There are three material gradation requirements based on required rock layer thicknesses. endobj 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. 0000002313 00000 n Please enable scripts and reload this page. 3, METHOD B) (TON), STRUCTURE EXCAVATION (ROCK SLOPE PROTECTION) (ENGMET). Vegetation (see . Use 5 to 7 st 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 A geotextile is typically defined as any permeable textile material used to increase soil stability, provide erosion control or aid in drainage. US 160NW is a nonwoven needlepunched geotextile made of 100% polypropylene staple filaments. 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. 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. RSP-fabric Type of geotextile and quality requirements per Section 96 Rock Slope Protection Fabric of the Standard Specifications. The concrete slope protection method consists of paving the embankment with portland cement concrete. <> 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 Consult engineer to ensure applicable design requirements are met. rock slope protection (3/8 t, class vi, method b) (ton) 723060 rock slope protection (300 lb, class iv, method b) (cy) . Erosion control devices provide direct protection to the soil surface therefore, are considered one the best measures for preventing erosion.
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rock slope protection fabric class 8