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. When specified, ensure coloring is added to the concrete. This article studies the mechanical properties and stability of CC slope protection by comparing it with conventional material (shotcrete). =w (j($M/!bMbo,iDjQL1{L! mum slope of two feet of horizontal distance for one foot of vertical rise. Check the area to be protected to ensure that the required expansion joints are in place. 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. Source: Caltran Highway Design Manual, Chapter 870 IMPLEMENTATION OF ROCK SLOPE PROTECTION (RSP) DESIGN 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. The samples will be crushed in the laboratory to sizes needed to perform tests. Stable rock sizes and flow depths for riprap-lined channels having gradients between 2 percent and 40 percent may 2 0 obj 4-7203C Small-Rock Slope Protection 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. 1 0 obj Click on the to send the number to the Shop Lowe's for solutions to control erosion on slopes, as well. 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 2005), although maintenance considerations may serve to reduce this maximum size. FDM 10-10-3 the contract cost database using the most recent year of data. California Department Of Transportation: Item Code Search Your search for great running gear starts and ends with us. BMP040 "rock slope protection (no fabric)" as applicable. To compensate for the lack of flexibility in the completed structure, ensure an adequate foundation lies below this type of protection. conforming to the requirements of 710-03 Vinyl Coated Steel Fence Fabric, Class A Wire Diameter, except color. <> Click on a heading to sort by that heading. This information is to be used only as a guide. rock slope protection fabric (class 8) 591200 rock stain: 780450 rock stain: 720110 small-rock slope protection: 192032 structure excavation (rock slope protection) (engmet) This has been superseded by Caltrans New Riprap Classes. cIP=L ?L-o'OfE;9'WgIBdysw>vOo#g 8L3f*7Mnd*3cdLy&v~;6s8;)9Q"SE8a+3/>svm^}+7Ea8IG01nY5y7mxJ]X9sGjv][ppYdv r=0EVPTO(Xam -j9 WYY5:F"l9o&l:dyg^0GXoZgm[\H2#RrlXpZd`CAlwE.Sz.BuTiqT;E@m3I~`km&yeF Concrete canvas (CC) has the potential to become a widely used slope protection material owing to advantages such as flexibility, fast construction with low labor costs, and quick strength development. {s9y^ If the slope is steeper than 2:1, do not use rounded boulders and cobbles. 0000009975 00000 n Paver Border InstallationPavers are "wet set" into concrete to create a Natural Resources & Energy Infrastructure, Energy - Power Generation - Renewables - Solar, Energy - Power Generation - Renewables - Wind. Slopes & Walls | Geofabrics | Conditions of Use | Privacy Policy 1 0 obj Roll size is 15'x300 Equivalent to Mirafi 1120NC or Skaps GT112 (Click here for spec) The latest list of Item Codes is available from HQ This handbook includes new and revised details for the various practices that are used in the development of erosion and sediment control plans. You may be trying to access this site from a secured browser on the server. (b) Paving fabric specification requires a minimum mass of 4.1 sy/oz. CHAPTER 5 SURFACE AND SLOPE PROTECTIVE MEASURES - Food and Agriculture Decide whether an adequate number has been provided for the particular installation. Project Details For EA 04-0A0204 - California 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. <>/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 contractors verification of unit weight of rock-filled gabions. (a) Exception: US 250NW is 5 pounds short on "grab breaking load" for Sediment Filter Bags. This translates to a 0.75H: 1V incline and is shown below. << ITEM 601 SLOPE AND CHANNEL PROTECTION - Pages Properly designed and planted vegetative covers play > Rock Slope Protection practice is intended for slopes too unstable for revegetation practices alone. 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 Obtain initial samples and have them tested for the specified attributes. 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 Rock Channel Protection Paved Gutter 601.13 Basis of Payment 601.01 Description. Permeable Aggregate Materials and Filter Fabrics - Graniterock Nominal RSP class by median particle diameterb Nominal median The concrete slope protection method consists of paving the embankment with portland cement concrete. 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. Soil Stabilization Matting - Channel Application, Perm. 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 . 0000013368 00000 n All rights reserved. Start by choosing whether your patio is a **single rectangle** or if it has a different shape, in which case you. Check to ensure that slopes and foundation areas are graded and compacted to specified tolerances. US 160NW is a nonwoven needlepunched geotextile made of 100% polypropylene staple filaments. Where applicable, inspect the footing areas and foundations for evidence of instability or areas where hydrostatic pressures may develop. At the terminals of protection, ensure the contractor is particularly careful to avoid erosion and undercutting. ), Geocomposite Wall Drain (w/ 6oz on 1 or 2 sides - Please specify.). Title: SECTION 212 ROCK SLOPE REINFORCEMENT AND CATCHMENT SYSTEMS Cold storms bringing wind, rain and low-elevation snow heavy at times are forecast through early March. To better control the contractors selection of rocks for placing, ensure the contractor paints tonnage on large rocks used in foundation construction. Mirafi 160N is a lightweight nonwoven geotextile that meet AASHTO M288 Class 2 geotextiles for separation and subsurface drainage. When shotcrete is to be used, review Section 4-53, Shotcrete, of this manual. 5. Links to important documents and pages can be found below the chart. 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-1.4 % PDF California Bank and Shore Rock Slope Protection Design Running Mask Near MeSocial distancing standards are . Or fastest Test panels may be specified in the special provisions. YOU MUST NOTIFY US FABRICS BEFORE RECEIVING PRICING. Contract Cost Data Project Details. Soil Stabilization Matting - Slope Application, Perm. 2, METHOD B) (CY) (ENGMET), ROCK SLOPE PROTECTION (NO. 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. endobj endstream 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. Rock Slope Protection / Rip Rap - Graniterock Enter the item description of the code you wish to search for: 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. % California Department Of Transportation: Item Code Search endobj endobj 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..
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