Temporary structures shall be left in place until adequate vegetation and the permanent . 2005), although maintenance considerations may serve to reduce this maximum size. Applicability Rock Slope Armor is applicable to: Slopes where unanticipated flows are encountered. Keep records up to date. endobj The samples will be crushed in the laboratory to sizes needed to perform tests. (b) Paving fabric specification requires a minimum mass of 4.1 sy/oz. This translates to a 0.75H: 1V incline and is shown below. 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) =w (j($M/!bMbo,iDjQL1{L! Ensure existing shrubs and trees are protected so that they continue to anchor the surrounding soil. 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 AASHTO is typical mass of 4.1 sy/oz. Erosion control is an important element of successful slope protection. uuid:bc193511-b4f2-4d99-b47d-5ec173dc2f21 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. Observe construction to ensure the contractor does the placing, finishing, and curing as specified. US 160NW is a nonwoven needlepunched geotextile made of 100% polypropylene staple filaments. Copyright Maryland.gov. 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 Observe closely during rock placement to detect any damage to the fabric. 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. If there are no prevailing agency specifications, it is recommended to follow AASHTO M288 for subsurface drainage applications. 1 For measurement and payment, do the following: Chapter 1 - Caltrans Construction Organization, CalOES: Power Outage and Fire Recovery Resources. AASHTO is typical mass of 4.1 sy/oz.. Also, ensure the contractor does not drop rock into place; otherwise, cracking or breaking may occur. RSP-fabric Type of geotextile and quality requirements per Section 96 Rock Slope Protection Fabric of the Standard Specifications. 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 TenCate develops and produces materials that function to increase performance, reduce costs and deliver measurable results by working with our customers to provide advanced solutions. Close observation is required during rock placement to detect any damage to the fabric. Smooth the graded foundation. Obtain initial samples and have them tested for the specified attributes. Check the area to be protected to ensure that the required expansion joints are in place. Refer to Section 6-202, Responsibilities for Acceptance of Manufactured or Fabricated Materials and Products, of this manual for additional information. >> Review contractors verification of unit weight of rock-filled gabions. Mirafi 160N is a lightweight nonwoven geotextile that meet AASHTO M288 Class 2 geotextiles for separation and subsurface drainage. On a cut slope, this could be due to . Use 5 to 7 st If the slope is steeper than 2:1, do not use rounded boulders and cobbles. 2019-07-30T13:47:33-04:00 @>|0fWp^,Y/T!*gprE."8hjjJ7kUfmYxTsX"CfU2TL]Gdb_Kg,GA/`U)H!hkJARD[R` Soil Stabilization Matting - Slope Application, Perm. 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. Mirafi 135N, 140NL and 140NC are lighter weight versions of Mirafi 140N . Stable rock sizes and flow depths for riprap-lined channels having gradients between 2 percent and 40 percent may Soil Stabilization Matting - Channel Application, Temp. Place a layer (six inch minimum) of 4 0 obj Source: Caltran Highway Design Manual, Chapter 870 There are three material gra requirements based on required rock layer dation thicknesses. endstream 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. To respond to the different problems associated with instability of rock faces, Geofabrics also has a broad range of independently verified rockfall mitigation systems. 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 endobj > Ensure the timber spacers are of the required material and spaced as planned. If the fabric is joined by stitched seams, stitch with contrasting colored yarn. You may be trying to access this site from a secured browser on the server. Soil Stabilization Matting - Slope Application, Clear Water Pipe Through Silt Fence/Super Silt Fence, Temporary Stone Outlet Structure (1 of 2, PDF only), Temporary Stone Outlet Structure (2 of 2, PDF only), Temporary Gabion Outlet Structure (1 of 2, PDF only), Temporary Gabion Outlet Structure (2 of 2, PDF only), Standard Inlet Protection (1 of 2, PDF only), Standard Inlet Protection (2 of 2, PDF only), Combination Inlet Protection (1 of 2, PDF only), Combination Inlet Protection (2 of 2, PDF only), Pipe Outlet Sediment Trap ST-I (1 of 3, PDF only), Pipe Outlet Sediment Trap ST-I (2 of 3, PDF only), Pipe Outlet Sediment Trap ST-I (3 of 3, PDF only), Stone/Riprap Outlet Sediment Trap ST-II (1 of 3, PDF only), Stone/Riprap Outlet Sediment Trap ST-II (2 of 3, PDF only), Stone/Riprap Outlet Sediment Trap ST-II (3 of 3, PDF only), Riprap Outlet Sediment Trap ST-III (1 of 3, PDF only), Riprap Outlet Sediment Trap ST-III (2 of 3, PDF only), Riprap Outlet Sediment Trap ST-III (3 of 3, PDF only), Concentric Trash Rack and Anti-Vortex Device (1 of 2, PDF only), Concentric Trash Rack and Anti-Vortex Device (2 of 2, PDF only), Types of Couplers for Corrugated Steel Pipe, Sediment Basin Schematic - Horiz. Temp. Inspect the rock to ensure it has been cleaned of any adhering dirt and clay and is moistened before concrete placement. Properly designed and planted vegetative covers play (800) 518-2290, Providing the most comprehensive geosynthetic lines in the industry. 0000005658 00000 n They blanket the soil, protecting it from wind and water forces. Polypropylene is stable within a pH range of 2 to 13. If you have any questions or would like to learn more, please contact us. 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 . Enter the item description of the code you wish to search for: Consult engineer to ensure applicable design requirements are met. 0000002044 00000 n endobj 2019-07-30T13:44:04-04:00 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. 1 0 obj uuid:30dd8676-a64b-4579-9ccf-fc82965d356f 9 0 obj Cold storms bringing wind, rain and low-elevation snow heavy at times are forecast through early March. 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 Retaining Walls & Slope Stability Vegetation (see . 0000002336 00000 n 6 0 obj Intermittent inspection of placement of slope protection, slope paving, and fabric operations. GHnBc__'h1'u]SO0P+R&yGeJ$FP?cSp28 1}9AQ #T6Bc*)_vU"]T hY# Properly designed slope protection and stabilization has to include two components: a vegetational-biological and a mechanical-structural component. xZrFou D[&! Rock Channel Protection Paved Gutter 601.13 Basis of Payment 601.01 Description. 1800 Washington Blvd., Baltimore, MD 21230, Stormwater, Dam Safety, and Flood Management Home, Plan Review for State and Federal Projects. Weight will vary based on density of rock available for the project. Type R. Use stones between 50 and 250 lb. Fabric must be RSP fabric that complies with the class shown in the following table: Rock must be cobble, gravel, crushed gravel, crushed rock, or any combination of these. 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. 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. Roll size is 15'x300 Equivalent to Mirafi 1120NC or Skaps GT112 (Click here for spec) 2 0 obj Click on a heading to sort by that heading. 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. 2 0 obj 0000011079 00000 n Resident engineers should be familiar with the material contained in Chapters 870, Bank ProtectionErosion Control, and 880, "Shore Protection," of the Highway Design Manual. For combination slope/bench systems in TYPE A soil and a trench depth of less than 8 feet, the steepest maximum allowable slope is 53 degrees from the horizontal. For details about concrete production, review Section 4-90, Concrete, of this manual. 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. 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. or call 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. RG12N Nonwoven Geotextile with a 300 lbs grab tensile strength and a flow rate of 65 gallons a minute per square foot. 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. Benchmark inspection of sampling and testing of rocks. 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. When shotcrete is to be used, review Section 4-53, Shotcrete, of this manual. 0000015681 00000 n Thishandbook includes new and revised details for the various practices that are used in the development of erosion and sediment control plans. 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. NTPEP Datamine Information: RG80NC is a tracking model number for the following manufacturers products: Mirafi 180NC, SKAPS GE180/GT180C or Propex 861. HToL[U?Ayb:V;%Y48{RMLIlq&+J[mNN?J;A? Geotextiles. All items. 99 (30% off) Best Selling Saucony Flat Mask By mrhzid $8. Otherwise, placement could result in what is known as rockers or unstable rocks. Placement of Bedding Material 1. Other Names Rock Slope Protection. 0000008354 00000 n Values shown are based on Table 873.3A dimensions and an assumed specific gravity of 2.65. Order corrective work when necessary. Standard contract items and descriptions for Caltrans projects. (a) Exception: US 250NW is 5 pounds short on "grab breaking load" for Sediment Filter Bags. <> PsVPvCHWTxml4N,P>{Ur]JBV:V,iVkNm(C d3@p/J3O//.cji-+TA3 dsU)~Ds:mp7=h&X#0C]\:k`#+VW^`0 0=F5VvL(^f Products with a are available to meet BABA (Build America, Buy America) requirements. ), Geocomposite Wall Drain (w/ 6oz on 1 or 2 sides - Please specify.). . Provide galvanized guide rail cables a minimum 19 mm in diameter, consisting . Contact your local TenCate Geosynthetic representative for the proper use and specification of these products. (You may enter part of the word or the whole phrase). 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. engineering fabric pinned to the slope, or both a . Slope protection structures are to be used where concentrated water will cause excessive erosion on existing and/or recent cut and fill slopes. For details about concrete production, review Section 4-90, Concrete, of this manual. Flat or needle shaped rock must not be used unless the individual rock thickness is greater than 0.33 times the length. Nominal RSP class by median particle diameterb Nominal median 0000014231 00000 n 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""(*$4"!f)G(J Shop Lowe's for solutions to control erosion on slopes, as well. XYo[unHCih,(~ t@K{ y.EmvKhy?_\F6.nO?iV5FlD,#t~J7z@Al.z_ooA=H /$Q-Aav. Complete the Patio or Walkway 6. The finish surface must be roughened by brushing to expose rocks. A Shoreline Erosion Control project would likely require fabric in the 10oz to 16oz weight range. 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 <>stream Contact our sales team at 1-863-270-8118 to discuss your erosion control requirements. There are three material gradation requirements based on required rock layer thicknesses. The equilibrium soil-to-geotextile system that allows for adequate movement of a liquid across the plane of the geotextile with limited soil loss over the service lifetime of the application. The contractor must also ensure the construction of adequate returns and keys at the ends. The bid item list and plans will specify which type of slope protection is to be performed. requirements. endobj Use all suitable material in the work. main search page where you can specify additional parameters. Rock riprap consists of loose rock that is dumped on the slope and distributed. +NXR!ft]l|\P2. com routes make excellent running trails for serious runners and casual joggers, alike. Testing must follow the frequencies shown in Section 6-1, Sample Types and Frequencies, of this manual. IMPLEMENTATION OF ROCK SLOPE PROTECTION (RSP) DESIGN The contract will identify the designated method. >> When shotcrete is to be used, review Section 4-53, Shotcrete, of this manual. At the start of gabion placement, require the contractor to verify the minimum unit weight of the gabions to ensure it meets specifications. The gabion method consists of placing wire mesh box-shaped baskets filled onsite with hard, durable rocks. 0000007029 00000 n 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. :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 Note any changes that may have occurred between the preliminary design studies and the start of construction. JavaScript is required to use content on this page. Riprap is typically placed along graded ditch, channel, and shoreline banks over geotextile, which prevents erosional undercutting. 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. In 2007, the FAA approved construction of a new center field taxiway (Taxiway Mike) to alleviate airfield congestion. 1. California Department of Transportation 0000009704 00000 n Test panels may be specified in the special provisions. Refer to Section 4-96, Geosynthetics, of this manual for guidelines on inspecting and accepting rock slope protection fabric. To ensure the success of Method A, ensure that the bearing of rocks from one to the other follows specifications and that the use of chinking rocks is limited to filling voids. 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. Decide whether modifications are necessary as a result of changed conditions. << Caltrans requires the use of these new RSP gradations starting August 1st, 2016 in new projects and those not yet at 30 percent PS&E stage. This has been superseded by Caltrans New Riprap Classes. Before placement of the broken concrete, inspect the material and be sure the reinforcement has been removed flush to the surface of concrete. 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 If the rock contains an excess of fines or inadequate voids, the desired results may be impossible to obtain. 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. Ensure the equipment used during spreading does not crack the rock. % The Standard Specifications provide two methods of placement for this type of protection: Method A and Method B. Start by choosing whether your patio is a **single rectangle** or if it has a different shape, in which case you. 1, METHOD B) (TON), ROCK SLOPE PROTECTION (NO. You can also lay bags of sand along problem areas in your landscape to keep soil from washing away and to redirect water. in a MS Word document format from the YOU MUST NOTIFY US FABRICS BEFORE RECEIVING PRICING. 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. 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. are available to meet BABA (Build America, Buy America) requirements. To provide the desired cleanliness, the contractor may need to sluice the rock or facing. The challenge was to construct a new taxiway over areas that were built on tidal flats and land reclaimed from Boston Harbor. Your search for great running gear starts and ends with us. (see Riprap Slope Protection Worksheet). EZw5'dr=`j+2\8:U.|V,%)~h/X8ps /OPM 1 Obtain rock samples for acceptance tests. When changes are made, maintain records of details, depths, heights, and other dimensions, and enter these on the as-built plans. endobj The Maryland Department of the Environment (MDE)recentlyadopted the 2011 Maryland Standards and Specifications for Soil Erosion and Sediment Control. 2, METHOD B) (CY) (ENGMET), ROCK SLOPE PROTECTION (NO. B. Cables. Be sure to consult your local project engineer or construction professional about the rock sizing and particular . Mirafi N-Series Product Description Sheet. mum slope of two feet of horizontal distance for one foot of vertical rise. Soil Stabilization Matting - Channel Application, Perm. 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. application/pdf Method B is not restrictive with respect to the placement of individual rocks. Check to ensure that slopes and foundation areas are graded and compacted to specified tolerances. Geotextiles have been in use for thousands of years dating back to the Egyptian Pharaohs. Broken-concrete slope protection consists of placing broken concrete from job site locations identified within the contract. with a minimum of 50% of the stones . Rock Slope Protection Fabric, used in slope stabilization projects (see Technical Note on Rock Slope Protection / Rip Rap) When required by the Project Engineer, a Certificate of Compliance for each type of fabric being used should be issued by the supplier and furnished to the Engineer.

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