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. On a cut slope, this could be due to . 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. They blanket the soil, protecting it from wind and water forces. You may check the size of rock by roughly measuring the size and converting the volume to mass. Intermittent inspection of placement of slope protection, slope paving, and fabric operations. 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. 0000004037 00000 n Refer to Section 4-96, Geosynthetics, of this manual for guidelines on inspecting and accepting rock slope protection fabric. Rock grading and quality requirements per Standard Specifications. Click it again to reverse the order. Slope paving is a broader term that covers a variety of methods for paving slopes, including colored slope paving, exposed aggregate slope paving, and slope paving with concrete pavers. All items. For maximum effect, both components must be integrally planned prior to road construction. 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. Inspect the rock to ensure it has been cleaned of any adhering dirt and clay and is moistened before concrete placement. This translates to a 0.75H: 1V incline and is shown below. Mirafi 1100N, 1120N and 1160N are heavy weight nonwoven geotextiles for more severe or extremely harsh conditions, such as rip-rap and revetment applications. You can also lay bags of sand along problem areas in your landscape to keep soil from washing away and to redirect water. 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"). 1, METHOD B) (CY), ROCK SLOPE PROTECTION (NO. or call 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. These products were developed to meet specific agency (DOTs, MTOs, etc.) RSP-fabric Type of geotextile and quality requirements per Section 96 Rock Slope Protection Fabric of the Standard Specifications. endobj Mirafi 160N is a lightweight nonwoven geotextile that meet AASHTO M288 Class 2 geotextiles for separation and subsurface drainage. KEwAx{N*$J }COpU?s{bs. 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. 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. Standard contract items and descriptions for Caltrans projects. Check the area to be protected to ensure that the required expansion joints are in place. <>stream RSP-fabric Type of geotextile and quality requirements per Section 96 Rock Slope Protection Fabric of the Standard Specifications. AASHTO is typical mass of 4.1 sy/oz. In 2007, the FAA approved construction of a new center field taxiway (Taxiway Mike) to alleviate airfield congestion. IMPLEMENTATION OF ROCK SLOPE PROTECTION (RSP) DESIGN The contract will identify the designated method. 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 Testing must follow the frequencies shown in Section 6-1, Sample Types and Frequencies, of this manual. 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. The color shall be black unless otherwise specified in the contract documents. (a) Exception: US 250NW is 5 pounds short on "grab breaking load" for Sediment Filter Bags. 3, METHOD B) (CY), ROCK SLOPE PROTECTION (NO. 0000005681 00000 n To better control the contractors selection of rocks for placing, ensure the contractor paints tonnage on large rocks used in foundation construction. 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 engineering fabric pinned to the slope, or both a . 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""(*$4"!f)G(J K@^9t% OZ$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. Vegetation (see . Rock Slope Armor is a layer of rock, such as ditch lining rock, cobble rock, concrete rubble, or riprap, which is hand or mechanically placed on an erodible soil slope. B. Cables. Complete the Patio or Walkway 6. Natural Resources & Energy Infrastructure, Energy - Power Generation - Renewables - Solar, Energy - Power Generation - Renewables - Wind. /OP true TAR_%R5Wa%*x4ux-x5d1c iU:v9b!KXGcFK 1fN2 t K! Order corrective work when necessary. 0000002021 00000 n > Close observation is required during rock placement to detect any damage to the fabric. the contract cost database using the most recent year of data. All rights reserved. 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. 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. /Filter/FlateDecode 2019-07-30T13:47:33-04:00 - Shoreline Protection with EcoTubes&trade; CALTRANS does not have an APL/QPL for fabrics. 2. Mirafi 140N is a lightweight non woven geotextile that meets AASHTO M288 Class 3 geotextiles for separation and subsurface drainage. Ensure that the contractor places the fabric before placing the rock slope protection. rock slope protection fabric (class 8) 591200 rock stain: 780450 rock stain: 720110 small-rock slope protection: 192032 structure excavation (rock slope protection) (engmet) Placement of Bedding Material 1. 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. 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. =w (j($M/!bMbo,iDjQL1{L! Caltrans requires the use of these new RSP gradations starting August 1st, 2016 in new projects and those not yet at 30 percent PS&E stage. Type R. Use stones between 50 and 250 lb. Ensure that the contractor performs concrete finishing as specified and that the slope paving is cured by one of the specified methods. Stable rock sizes and flow depths for riprap-lined channels having gradients between 2 percent and 40 percent may 2, METHOD B) (TON) (ENGMET), ROCK SLOPE PROTECTION (NO. Smooth the graded foundation. 0000008354 00000 n 5. Please enable scripts and reload this page. The challenge was to construct a new taxiway over areas that were built on tidal flats and land reclaimed from Boston Harbor. uuid:bc193511-b4f2-4d99-b47d-5ec173dc2f21 >> Angular shaped rock may be used on any planned slope. YOU MUST NOTIFY US FABRICS BEFORE RECEIVING PRICING. Geotextiles have been in use for thousands of years dating back to the Egyptian Pharaohs. XYo[unHCih,(~ t@K{ y.EmvKhy?_\F6.nO?iV5FlD,#t~J7z@Al.z_ooA=H /$Q-Aav. Contract Cost Data Project Details. Retaining Walls & Slope Stability /OPM 1 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. Ensure the equipment used during spreading does not crack the rock. 0000009682 00000 n Riprap can be used to stabilize slopes to prevent erosion and provide support. Click on the to search for an item in 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. 0000002313 00000 n Geofabrics offers a range of engineered slope, embankment and retaining wall solutions of use in transport infrastructure projects. Neoloy Tough-Cells in slopes prevent erosion, enable drainage and stabilize the slope to provide a green surface cover. 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. 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. (see Riprap Slope Protection Worksheet). 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 endobj Review contractors verification of unit weight of rock-filled gabions. endobj 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. mum slope of two feet of horizontal distance for one foot of vertical rise. endobj Place a layer (six inch minimum) of The bid item list and plans will specify which type of slope protection is to be performed. Transportation Specifications Section 96-1.02I for Rock Slope Protection Fabric, Class 8, nonwoven geotextile. 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 8 0 obj Erosion control is an important element of successful slope protection. 0000014254 00000 n If the fabric is joined by stitched seams, stitch with contrasting colored yarn. The maximum height of the vertica l lower portions 3.5 feet. California Department of Transportation State-furnished materials and expenses, as well as supplemental work items and descriptions. Fabric used for rock slope protection, temporary construction roadways, separation, stabilization, reinforcement, drainage, and erosion control. 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 FDM 10-10-3 The Standard Specifications provide two methods of placement for this type of protection: Method A and Method B. PsVPvCHWTxml4N,P>{Ur]JBV:V,iVkNm(C d3@p/J3O//.cji-+TA3 dsU)~Ds:mp7=h&X#0C]\:k`#+VW^`0 0=F5VvL(^f For Type R, F, or Common stone riprap, provide Type 2 filter fabric when shown on the plans. 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. with a minimum of 50% of the stones . 0000009975 00000 n (One call ordering and delivery). ), Geocomposite Wall Drain (w/ 6oz on 1 or 2 sides - Please specify.). Refer to Section 4-96, Geosynthetics, of this manual for guidelines for inspecting and accepting rock slope protection fabric.

Managing Partner Wachtell, Articles R