Properly designed and planted vegetative covers play These supersede the previous Caltrans Riprap Sizes. the contract cost database using the most recent year of data. 3, METHOD B) (CY), ROCK SLOPE PROTECTION (NO. 0000009704 00000 n Temporary structures shall be left in place until adequate vegetation and the permanent . endobj (a) Exception: US 250NW is 5 pounds short on "grab breaking load" for Sediment Filter Bags. 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. Soil Stabilization Matting - Slope Application, Perm. %PDF-1.3 % 0000013346 00000 n If the rock layer is shown as 7 inches thick, comply with grading shown in the following table: If the rock layer is shown as 5 inches thick, comply with the grading shown in the following table: If the rock layer is shown as 4-inches thick, comply with grading shown in the following table: Granular material must contain at least 90 percent crushed particles when tested under California Test 205. State-furnished materials and expenses, as well as supplemental work items and descriptions. On a cut slope, this could be due to . (One call ordering and delivery). Ensure that the contractor places the fabric before placing the rock slope protection. Click it again to reverse the order. 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. Maximum slope 1.5:1 horiz:vert, (67% or 34) or flatter, and is limited to slopes < 30' of uninterrupted length. This section provides guidelines for inspecting slope protection for work specified under Section 72, Slope Protection, of the Standard Specifications. 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 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. Civil engineers and landscape architects need proven solutions to control soil erosion, stabilize slopes, enable drainage and create a visually pleasing landscape. Slope protection is usually needed to protect the upstream slope against erosion due to wave action. Shop Lowe's for solutions to control erosion on slopes, as well. Cold storms bringing wind, rain and low-elevation snow heavy at times are forecast through early March. - Shoreline Protection with EcoTubes&trade; CALTRANS does not have an APL/QPL for fabrics. 0000004014 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""(*$4"!f)G(J The Maryland Department of the Environment (MDE)recentlyadopted the 2011 Maryland Standards and Specifications for Soil Erosion and Sediment Control. endobj Angular shaped rock may be used on any planned slope. Weight will vary based on density of rock available for the project. Intermediate, or B dimension (i.e., width) where A dimension is length, and C dimension is thickness. GHnBc__'h1'u]SO0P+R&yGeJ$FP?cSp28 1}9AQ #T6Bc*)_vU"]T hY# 9 0 obj { , IMPLEMENTATION OF ROCK SLOPE PROTECTION (RSP) DESIGN. 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 %PDF-1.4 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. Properly designed slope protection and stabilization has to include two components: a vegetational-biological and a mechanical-structural component. Rock riprap consists of loose rock that is dumped on the slope and distributed. Riprap is typically placed along graded ditch, channel, and shoreline banks over geotextile, which prevents erosional undercutting. 2 0 obj 2019-07-30T13:47:33-04:00 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. (You may enter part of the word or the whole phrase). At the start of gabion placement, require the contractor to verify the minimum unit weight of the gabions to ensure it meets specifications. You may check the size of rock by roughly measuring the size and converting the volume to mass. The devices include ground covers and channel liners such as: 1. 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. All rights reserved. AASHTO is typical mass of 4.1 sy/oz. 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. Copyright Maryland.gov. The samples will be crushed in the laboratory to sizes needed to perform tests. 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. B. Cables. In making such a decision, observe the following: Take pictures to document existing conditions and verify that Form CEM-3101, Notice of Materials to Be Used, includes the materials for slope protection. endobj This article studies the mechanical properties and stability of CC slope protection by comparing it with conventional material (shotcrete). For measurement and payment, do the following: Chapter 1 - Caltrans Construction Organization, CalOES: Power Outage and Fire Recovery Resources. The contractor must also ensure the construction of adequate returns and keys at the ends. These products can be used in areas where they meet the local agency requirements. The bid item list and plans will specify which type of slope protection is to be performed. Rock mesh slope protection is a technique to control rockfalls . Mirafi 140N is a lightweight non woven geotextile that meets AASHTO M288 Class 3 geotextiles for separation and subsurface drainage. IMPLEMENTATION OF ROCK SLOPE PROTECTION (RSP) DESIGN 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. endobj 2019-07-30T13:47:33-04:00 3, METHOD B) (TON), STRUCTURE EXCAVATION (ROCK SLOPE PROTECTION) (ENGMET). Decide whether an adequate number has been provided for the particular installation. Test panels may be specified in the special provisions. endstream 0000002021 00000 n RSP-fabric Type of geotextile and quality requirements per Section 96 Rock Slope Protection Fabric of the Standard Specifications. This translates to a 0.75H: 1V incline and is shown below. 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. The concreted-rock slope protection method is used where large rock is not economically available in large quantities, yet a heavy, service type of protection is required. 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"). 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. Nominal RSP class by median particle diameterb Nominal median Links to important documents and pages can be found below the chart. Refer to Section 4-96, Geosynthetics, of this manual for guidelines on inspecting and accepting rock slope protection fabric. To better control the contractors selection of rocks for placing, ensure the contractor paints tonnage on large rocks used in foundation construction. The plans will designate which type applies at each location. (For large riprap, consider a four inch layer of sand to protect the . Flat or needle shaped rock must not be used unless the individual rock thickness is greater than 0.33 times the length. Geotextiles have been in use for thousands of years dating back to the Egyptian Pharaohs. "QamV(Z3VL> 10 0 obj 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. 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 Protection involves constructing a heavy mass of smaller rocks bound together by concrete. XYo[unHCih,(~ t@K{ y.EmvKhy?_\F6.nO?iV5FlD,#t~J7z@Al.z_ooA=H /$Q-Aav. If the fabric is joined by stitched seams, stitch with contrasting colored yarn. Mirafi 160N is a lightweight nonwoven geotextile that meet AASHTO M288 Class 2 geotextiles for separation and subsurface drainage. Smooth the graded foundation. +NXR!ft]l|\P2. The Standard Specifications provide two methods of placement for this type of protection: Method A and Method B. Ensure concrete is cured by one of the specified methods. Erosion control devices provide direct protection to the soil surface therefore, are considered one the best measures for preventing erosion. HToL[U?Ayb:V;%Y48{RMLIlq&+J[mNN?J;A? 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. Obtain initial samples and have them tested for the specified attributes. 0000008354 00000 n . JavaScript is required to use content on this page. For maximum effect, both components must be integrally planned prior to road construction. 0000014254 00000 n <> For details about concrete production, review Section 4-90, Concrete, of this manual. The gabions are placed on filter fabric as detailed in the plans and specifications. Click on the to send the number to the (b) Paving fabric specification requires a minimum mass of 4.1 sy/oz. 0000014231 00000 n Otherwise, placement could result in what is known as rockers or unstable rocks. >> Geofabrics offers a range of engineered slope, embankment and retaining wall solutions of use in transport infrastructure projects.