What Happened To Mopi Of 2hype?, Knights Of The Golden Circle Still Exist, Articles R

0000002313 00000 n Manufacturers information can be found at: Verify the types of measurements and records necessary to support payment for the work. The devices include ground covers and channel liners such as: 1. AASHTO is typical mass of 4.1 sy/oz. Maximum slope 1.5:1 horiz:vert, (67% or 34) or flatter, and is limited to slopes < 30' of uninterrupted length. 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.. XYo[unHCih,(~ t@K{ y.EmvKhy?_\F6.nO?iV5FlD,#t~J7z@Al.z_ooA=H /$Q-Aav. 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. Click on a heading to sort by that heading. A geotextile is typically defined as any permeable textile material used to increase soil stability, provide erosion control or aid in drainage. 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. 0000009975 00000 n There are three material gradation requirements based on required rock layer thicknesses. If the fabric is joined by stitched seams, stitch with contrasting colored yarn. 0000008354 00000 n 0000009704 00000 n 2, METHOD B) (TON) (ENGMET), ROCK SLOPE PROTECTION (NO. 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. mum slope of two feet of horizontal distance for one foot of vertical rise. Flat or needle shaped rock must not be used unless the individual rock thickness is greater than 0.33 times the length. Graniterock has a 101-year history of providing high quality products and service. Any springs or water courses that might affect the stability of the design. Ensure the timber spacers are of the required material and spaced as planned. Otherwise, placement could result in what is known as rockers or unstable rocks. Cold storms bringing wind, rain and low-elevation snow heavy at times are forecast through early March. For measuring concrete or shotcrete, refer to Sections 4-90, Concrete, or 4-53, Shotcrete, of this manual. This information is to be used only as a guide. Geotextiles. 7 0 obj Slope protection is usually needed to protect the upstream slope against erosion due to wave action. are available to meet BABA (Build America, Buy America) requirements. Soil Stabilization Matting - Channel Application, Temp. Nominal RSP class by median particle diameterb Nominal median endstream 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. Lap 6'' min. rock slope protection fabric (class 8) 591200 rock stain: 780450 rock stain: 720110 small-rock slope protection: 192032 structure excavation (rock slope protection) (engmet) 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 Please enable JavaScript in your browser. Copyright Maryland.gov. Mirafi 160N is a lightweight nonwoven geotextile that meet AASHTO M288 Class 2 geotextiles for separation and subsurface drainage. construction contract standards page. rock slope protection (3/8 t, class vi, method b) (ton) 723060 rock slope protection (300 lb, class iv, method b) (cy) . 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. When rock slope protection fabric is required for either method, ensure the contractor places the fabric before placing the rock slope protection. This article studies the mechanical properties and stability of CC slope protection by comparing it with conventional material (shotcrete). Also, ensure the contractor does not drop rock into place; otherwise, cracking or breaking may occur. 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 Place a layer (six inch minimum) of Copyright 2007 State of California, (You may enter part of the word or the whole phrase), 1.2 M CAST-IN-DRILLED-HOLE CONCRETE PILING (ROCK SOCKET) (METRIC), 1.5 M CAST-IN-DRILLED-HOLE CONCRETE PILING (ROCK SOCKET) (METRIC), 1.8 M CAST-IN-DRILLED-HOLE CONCRETE PILING (ROCK SOCKET) (METRIC), 108" CAST-IN-DRILLED-HOLE CONCRETE PILING (ROCK SOCKET), 2.1 M CAST-IN-DRILLED-HOLE CONCRETE PILING (ROCK SOCKET) (METRIC), 2.4 M CAST-IN-DRILLED-HOLE CONCRETE PILING (ROCK SOCKET) (METRIC), 24" CAST-IN-DRILLED-HOLE CONCRETE PILING (ROCK SOCKET), 48" CAST-IN-DRILLED-HOLE CONCRETE PILING (ROCK SOCKET), 60" CAST-IN-DRILLED-HOLE CONCRETE PILING (ROCK SOCKET), 600 MM CAST-IN-DRILLED-HOLE CONCRETE PILING (ROCK SOCKET) (METRIC), 72" CAST-IN-DRILLED-HOLE CONCRETE PILING (ROCK SOCKET), 84" CAST-IN-DRILLED-HOLE CONCRETE PILING (ROCK SOCKET), 96" CAST-IN-DRILLED-HOLE CONCRETE PILING (ROCK SOCKET), CONCRETED-ROCK SLOPE PROTECTION (1/2 T, CLASS VII, METHOD A) (CY), CONCRETED-ROCK SLOPE PROTECTION (1/2 T, CLASS VII, METHOD A) (TON), CONCRETED-ROCK SLOPE PROTECTION (1/2 T, CLASS VII, METHOD B) (CY), CONCRETED-ROCK SLOPE PROTECTION (1/2 T, CLASS VII, METHOD B) (TON), CONCRETED-ROCK SLOPE PROTECTION (1/2 T, METHOD A) (CY), CONCRETED-ROCK SLOPE PROTECTION (1/2 T, METHOD A) (TON), CONCRETED-ROCK SLOPE PROTECTION (1/2 T, METHOD B) (CY), CONCRETED-ROCK SLOPE PROTECTION (1/2 T, METHOD B) (TON), CONCRETED-ROCK SLOPE PROTECTION (1/4 T, CLASS V, METHOD A) (CY), CONCRETED-ROCK SLOPE PROTECTION (1/4 T, CLASS V, METHOD A) (TON), CONCRETED-ROCK SLOPE PROTECTION (1/4 T, CLASS V, METHOD B) (CY), CONCRETED-ROCK SLOPE PROTECTION (1/4 T, CLASS V, METHOD B) (TON), CONCRETED-ROCK SLOPE PROTECTION (1/4 T, METHOD A) (CY), CONCRETED-ROCK SLOPE PROTECTION (1/4 T, METHOD A) (TON), CONCRETED-ROCK SLOPE PROTECTION (1/4 T, METHOD B) (CY), CONCRETED-ROCK SLOPE PROTECTION (1/4 T, METHOD B) (TON), CONCRETED-ROCK SLOPE PROTECTION (150 LB, CLASS III, METHOD A) (CY), CONCRETED-ROCK SLOPE PROTECTION (150 LB, CLASS III, METHOD A) (TON), CONCRETED-ROCK SLOPE PROTECTION (20 LB, CLASS I, METHOD A) (CY), CONCRETED-ROCK SLOPE PROTECTION (20 LB, CLASS I, METHOD A) (TON), CONCRETED-ROCK SLOPE PROTECTION (20 LB, CLASS I, METHOD B) (CY), CONCRETED-ROCK SLOPE PROTECTION (20 LB, CLASS I, METHOD B) (TON), CONCRETED-ROCK SLOPE PROTECTION (60 LB, CLASS II, METHOD A) (CY), CONCRETED-ROCK SLOPE PROTECTION (60 LB, CLASS II, METHOD A) (TON), CONCRETED-ROCK SLOPE PROTECTION (60 LB, CLASS II, METHOD B) (CY), CONCRETED-ROCK SLOPE PROTECTION (60 LB, CLASS II, METHOD B) (TON), CONCRETED-ROCK SLOPE PROTECTION (COBBLE, METHOD A) (CY), CONCRETED-ROCK SLOPE PROTECTION (COBBLE, METHOD A) (TON), CONCRETED-ROCK SLOPE PROTECTION (COBBLE, METHOD B) (CY), CONCRETED-ROCK SLOPE PROTECTION (COBBLE, METHOD B) (TON), CONCRETED-ROCK SLOPE PROTECTION (FACING, METHOD A) (CY), CONCRETED-ROCK SLOPE PROTECTION (FACING, METHOD A) (TON), CONCRETED-ROCK SLOPE PROTECTION (FACING, METHOD B) (CY), CONCRETED-ROCK SLOPE PROTECTION (FACING, METHOD B) (TON), CONCRETED-ROCK SLOPE PROTECTION (LIGHT, 150 LB, CLASS III, METHOD B) (CY), CONCRETED-ROCK SLOPE PROTECTION (LIGHT, 150 LB, CLASS III, METHOD B) (TON), CONCRETED-ROCK SLOPE PROTECTION (LIGHT, METHOD A) (CY), CONCRETED-ROCK SLOPE PROTECTION (LIGHT, METHOD A) (TON), CONCRETED-ROCK SLOPE PROTECTION (LIGHT, METHOD B) (CY), CONCRETED-ROCK SLOPE PROTECTION (LIGHT, METHOD B) (TON), REMOVE ROCK AND DEBRIS FROM CULTIVATED AREA, ROCK EXCAVATION (CONTROLLED BLASTING) (ENGMET), ROCK SLOPE PROTECTION (1/2 T, CLASS VII, METHOD A) (CY), ROCK SLOPE PROTECTION (1/2 T, CLASS VII, METHOD A) (TON), ROCK SLOPE PROTECTION (1/2 T, CLASS VII, METHOD B) (CY), ROCK SLOPE PROTECTION (1/2 T, CLASS VII, METHOD B) (TON), ROCK SLOPE PROTECTION (1/2 T, METHOD A) (CY), ROCK SLOPE PROTECTION (1/2 T, METHOD A) (TON), ROCK SLOPE PROTECTION (1/2 T, METHOD B) (CY), ROCK SLOPE PROTECTION (1/2 T, METHOD B) (TON), ROCK SLOPE PROTECTION (1/4 T, CLASS V, METHOD B) (CY), ROCK SLOPE PROTECTION (1/4 T, CLASS V, METHOD B) (TON), ROCK SLOPE PROTECTION (1/4 T, METHOD B) (CY), ROCK SLOPE PROTECTION (1/4 T, METHOD B) (TON), ROCK SLOPE PROTECTION (150 LB, CLASS III, METHOD B) (CY), ROCK SLOPE PROTECTION (150 LB, CLASS III, METHOD B) (TON), ROCK SLOPE PROTECTION (1T, CLASS VIII, METHOD A), ROCK SLOPE PROTECTION (1T, CLASS VIII, METHOD B), ROCK SLOPE PROTECTION (1T, CLASS VIII, METHOD B) (TON), ROCK SLOPE PROTECTION (1T, METHOD A) (ENGMET), ROCK SLOPE PROTECTION (1T, METHOD B) (ENGMET), ROCK SLOPE PROTECTION (20 LB, CLASS I, METHOD B) (CY), ROCK SLOPE PROTECTION (20 LB, CLASS I, METHOD B) (TON), ROCK SLOPE PROTECTION (2T, CLASS IX, METHOD A), ROCK SLOPE PROTECTION (2T, METHOD A) (ENGMET), ROCK SLOPE PROTECTION (3/8 T, CLASS VI, METHOD B) (CY), ROCK SLOPE PROTECTION (3/8 T, CLASS VI, METHOD B) (TON), ROCK SLOPE PROTECTION (300 LB, CLASS IV, METHOD B) (CY), ROCK SLOPE PROTECTION (300 LB, CLASS IV, METHOD B) (TON), ROCK SLOPE PROTECTION (3T, CLASS X, METHOD A), ROCK SLOPE PROTECTION (4T, CLASS XI, METHOD A), ROCK SLOPE PROTECTION (4T, METHOD A) (ENGMET), ROCK SLOPE PROTECTION (60 LB, CLASS II, METHOD B) (CY), ROCK SLOPE PROTECTION (60 LB, CLASS II, METHOD B) (TON), ROCK SLOPE PROTECTION (8T, METHOD A) (ENGMET), ROCK SLOPE PROTECTION (FACING, METHOD B) (CY), ROCK SLOPE PROTECTION (FACING, METHOD B) (TON), ROCK SLOPE PROTECTION (LIGHT, METHOD B) (CY), ROCK SLOPE PROTECTION (LIGHT, METHOD B) (TON), ROCK SLOPE PROTECTION (NO. 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 Riprap can be used to stabilize slopes to prevent erosion and provide support. 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. /Length 5601 Riprap is a permanent layer of large, angular stone, cobbles, or boulders typically used to armor, stabilize, and protect the soil surface against erosion and scour in areas of concentrated flow or wave energy. Soil Stabilization Matting - Slope Application, Perm. Erosion control is an important element of successful slope protection. The Maryland Department of the Environment (MDE)recentlyadopted the 2011 Maryland Standards and Specifications for Soil Erosion and Sediment Control. 6'' min. Enter the item description of the code you wish to search for: This section provides guidelines for inspecting slope protection for work specified under Section 72, Slope Protection, of the Standard Specifications. 1 0 obj Observe closely during rock placement to detect any damage to the fabric. Check to ensure that slopes and foundation areas are graded and compacted to specified tolerances. 0000002044 00000 n At the terminals of protection, ensure the contractor is particularly careful to avoid erosion and undercutting. 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. 0000002336 00000 n Riprap is typically placed along graded ditch, channel, and shoreline banks over geotextile, which prevents erosional undercutting. PsVPvCHWTxml4N,P>{Ur]JBV:V,iVkNm(C d3@p/J3O//.cji-+TA3 dsU)~Ds:mp7=h&X#0C]\:k`#+VW^`0 0=F5VvL(^f in a MS Word document format from the endobj 1 0000007052 00000 n These supersede the previous Caltrans Riprap Sizes. 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. If the rock contains an excess of fines or inadequate voids, the desired results may be impossible to obtain. Geotextiles have been in use for thousands of years dating back to the Egyptian Pharaohs. 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. Where applicable, inspect the footing areas and foundations for evidence of instability or areas where hydrostatic pressures may develop. Slope protection structures are to be used where concentrated water will cause excessive erosion on existing and/or recent cut and fill slopes. 0000013368 00000 n engineering fabric pinned to the slope, or both a . Decide whether an adequate number has been provided for the particular installation. Temp. (a) Exception: US 250NW is 5 pounds short on "grab breaking load" for Sediment Filter Bags. main search page where you can specify additional parameters. << NTPEP Datamine Information: RG80NC is a tracking model number for the following manufacturers products: Mirafi 180NC, SKAPS GE180/GT180C or Propex 861. Before placement of the broken concrete, inspect the material and be sure the reinforcement has been removed flush to the surface of concrete. Draw Down Device, Sediment Basin Schematic - Vert. 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. 1, METHOD B) (CY), ROCK SLOPE PROTECTION (NO. 0000000871 00000 n with a minimum of 50% of the stones . Standard contract items and descriptions for Caltrans projects. Refer to Section 4-96, Geosynthetics, of this manual for guidelines for inspecting and accepting rock slope protection fabric. (b) Paving fabric specification requires a minimum mass of 4.1 sy/oz. When slope paving with concrete pavers is specified, ensure the special provision requirements are met. %PDF-1.4 % Method B is not restrictive with respect to the placement of individual rocks. Observe construction to ensure the contractor does the placing, finishing, and curing as specified. Mirafi 135N, 140NL and 140NC are lighter weight versions of Mirafi 140N . The samples will be crushed in the laboratory to sizes needed to perform tests. 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. @>|0fWp^,Y/T!*gprE."8hjjJ7kUfmYxTsX"CfU2TL]Gdb_Kg,GA/`U)H!hkJARD[R` B. Cables. Retaining Walls & Slope Stability 0000000928 00000 n Source: Caltran Highway Design Manual, Chapter 870 All items. 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. > <>stream Smooth the graded foundation. The color shall be black unless otherwise specified in the contract documents. 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. :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 At TenCate ourgoal is your success. For Type R, F, or Common stone riprap, provide Type 2 filter fabric when shown on the plans. 4 0 obj Copies of these details are made available below in both Adobe Portable Document Format (PDF) and AUTOCAD Drawing (DWG) file formats. <>stream 3, METHOD B) (CY), ROCK SLOPE PROTECTION (NO. Soil Stabilization Matting - Channel Application, Perm. Without proper slope protection, a serious erosion problem known as "beaching" can develop on the upstream slope. 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. Refer to Section 6-202, Responsibilities for Acceptance of Manufactured or Fabricated Materials and Products, of this manual for additional information. <>/Font<>>>/Fields[]>> Mirafi 1100N, 1120N and 1160N are heavy weight nonwoven geotextiles for more severe or extremely harsh conditions, such as rip-rap and revetment applications. Review Section 4-90, Concrete, of this manual for details about concrete production. YOU MUST NOTIFY US FABRICS BEFORE RECEIVING PRICING. When evidence exists that the foundation depth is inadequate, obtain both the design and hydraulics engineers concurrence with a change order to deepen the foundation. 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 Copyright 2023 TenCate Geosynthetics Americas. Center splash basin . If there are no prevailing agency specifications, it is recommended to follow AASHTO M288 for subsurface drainage applications. 5. 0000014231 00000 n Mirafi N-Series nonwovens combine high water flow rates, high soil interaction and durability while providing excellent soil particle retention. 1, METHOD B) (TON), ROCK SLOPE PROTECTION (NO. 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) %PDF-1.3 % Rock Channel Protection Paved Gutter 601.13 Basis of Payment 601.01 Description. For details about concrete production, review Section 4-90, Concrete, of this manual. If the slope is steeper than 2:1, do not use rounded boulders and cobbles. This handbook includes new and revised details for the various practices that are used in the development of erosion and sediment control plans. 0000011079 00000 n 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. 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. Shop Lowe's for solutions to control erosion on slopes, as well. Provide galvanized guide rail cables a minimum 19 mm in diameter, consisting . Rock grading and quality requirements per Standard Specifications. 99 (30% off) Best Selling Saucony Flat Mask By mrhzid $8. The maximum height of the vertica l lower portions 3.5 feet. (a) Exception: US 250NW is 5 pounds short on "grab breaking load" for Sediment Filter Bags. Use 5 to 7 st Contract Cost Data Project Details. <> This translates to a 0.75H: 1V incline and is shown below. Review contractors verification of unit weight of rock-filled gabions. Contact Us << The concrete slope protection method consists of paving the embankment with portland cement concrete. 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. The plans indicate the minimum depths of foundations. 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 has been superseded by Caltrans New Riprap Classes. 2019-07-30T13:47:33-04:00 (One call ordering and delivery). Intermediate, or B dimension (i.e., width) where A dimension is length, and C dimension is thickness. The latest list of Item Codes is available from HQ We're available on the following channels. /OP true To provide the desired cleanliness, the contractor may need to sluice the rock or facing. These products were developed to meet specific agency (DOTs, MTOs, etc.) Click on the to search for an item in 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 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. Ensure the equipment used during spreading does not crack the rock. Use the size and composition of yarn that is recommended by the fabric manufacturer. {.sAewh[w#Iv#W6f" $JOPf/W%%XKK&A~b ?nfY_iu"m]HDwP) Rp For maximum effect, both components must be integrally planned prior to road construction. Resident engineers should be familiar with the material contained in Chapters 870, Bank ProtectionErosion Control, and 880, "Shore Protection," of the Highway Design Manual. JavaScript is required to use content on this page. 3, METHOD B) (TON), STRUCTURE EXCAVATION (ROCK SLOPE PROTECTION) (ENGMET). Ensure concrete is cured by one of the specified methods. the contract cost database using the most recent year of data. 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 Type R. Use stones between 50 and 250 lb. Complete the Patio or Walkway 6. 1 0 obj Need quick pricing on Erosion Control Fabric? Broken-concrete slope protection consists of placing broken concrete from job site locations identified within the contract. Testing must follow the frequencies shown in Section 6-1, Sample Types and Frequencies, of this manual. Note any changes that may have occurred between the preliminary design studies and the start of construction. Ensure that the contractor performs concrete finishing as specified and that the slope paving is cured by one of the specified methods. HToL[U?Ayb:V;%Y48{RMLIlq&+J[mNN?J;A? 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. 0000002021 00000 n California Department of Transportation 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. Close observation is required during rock placement to detect any damage to the fabric. {s9y^ 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. . Click on the product name for a data sheet. Weight will vary based on density of rock available for the project. To compensate for the lack of flexibility in the completed structure, ensure an adequate foundation lies below this type of protection. Transportation Specifications Section 96-1.02I for Rock Slope Protection Fabric, Class 8, nonwoven geotextile. +NXR!ft]l|\P2. 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. K@^9t% OZ$Mb Ne#^/_*Zw;*T_]k. 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. Values shown are based on Table 873.3A dimensions and an assumed specific gravity of 2.65. 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. US 160NW is a nonwoven needlepunched geotextile made of 100% polypropylene staple filaments. 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. <>/XObject<>/Properties<>>>>>/Rotate 0/StructParents 0/Tabs/S/Type/Page>> If necessary, order additional weep holes. If your 20'x10' patio is to have a 6" base, then you should excavate a total area of 21' (20' +6" +6") by 11' (10' +6" +6"). FDM 10-10-3 Click on the to send the number to the Test panels may be specified in the special provisions. 1800 Washington Blvd., Baltimore, MD 21230, Stormwater, Dam Safety, and Flood Management Home, Plan Review for State and Federal Projects. 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. 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. Geosynthetic Bond Breaker (Call for product. The heavier fabrics provide more strength and are less likely to tear when large class II or Class III boulders are placed on them. Placement of Bedding Material 1. 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. Angular shaped rock may be used on any planned slope. These products can be used in areas where they meet the local agency requirements. Ensure existing shrubs and trees are protected so that they continue to anchor the surrounding soil. The challenge was to construct a new taxiway over areas that were built on tidal flats and land reclaimed from Boston Harbor. endobj Obtain initial samples and have them tested for the specified attributes. com routes make excellent running trails for serious runners and casual joggers, alike. 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 (see Riprap Slope Protection Worksheet). Your search for great running gear starts and ends with us. 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. There are three material gradation requirements based on required rock layer thicknesses. >> 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. Roll size is 15'x300 Equivalent to Mirafi 1120NC or Skaps GT112 (Click here for spec) <> 0000009682 00000 n endobj 0000005681 00000 n endobj conforming to the requirements of 710-03 Vinyl Coated Steel Fence Fabric, Class A Wire Diameter, except color. Be sure to consult your local project engineer or construction professional about the rock sizing and particular . 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.