3 0 obj Single Offset: This joint first appeared in the early 1990 s. This style of spigot is much easier to manufacture. 15) In the case of UD 4, the Open Graded Drainage Layer (OGDL) is placed on top of the completed trench. 2. Pipe Testing Frequency Example 1: Pipe Diameter = 48 in. 0 When standing water is in pipe foundation area, No. 5) Install pipe to grade 6) Compact structural bedding outside the middle third of the pipe 7) Place structural bedding in lifts 8) Complete structural backfill operation by working from side to side of the pipe, differential not to exceed 24 or 1/3 size of pipe. Once a soil or aggregate mixture has been placed in a layer on the embankment, the contractor can use various types of compaction equipment to densify the soil to the desired level of compaction. If the mandrel test is to be performed to mechanically measure deformations/deflections of the pipe/culvert, the mandrel used shall be a nine (or greater odd number) arm mandrel, and shall be sized and inspected by the Engineer prior to testing. How far should the hammer fall?, What are the moisture and density content corresponding to the peak of the curve . What is the minimum number of density tests that should be run on the backfill material? This zone contains the same select quality backfill material as in the haunch zone for flexible pipe. The loosely placed center section of the bedding allows the pipe to seat itself and helps minimize point loads. BOX 27032 RICHMOND, VIRGINIA 23273 PERMIT NO. Work shall consist of furnishing and constructing a Rockwood Vintage TM unit segmental retaining wall (SRW), CONCRETE SEGMENTAL RETAINING WALL SYSTEM PART 1: GENERAL SPECIFICATIONS 1.01 Work Included A. The following drawing provides typical VDOT standards for pipe bedding and backfill. Copyright 2023, VDOT. Furnish and install culvert pipe, entrance pipe, and storm sewer pipe. 71 terms. The behavior of a material where the material deforms under load and does not go back to its original shape is called plasticity. Place sample in container and weigh. For questions or concerns regarding MCS grades or certification status, contactus at MaterialsCertification@vdot.virginia.gov. # u 3) 104 in. - 2000, If you believe that this page should be taken down, please follow our DMCA take down process, Something went wrong! + (12 in. The pipe should be stacked and chocked to avoid movement of the pipe. All rights reserved. It is designed to prove an individuals' understanding of nuclear density testing, one-point proctor and "Speedy" moisture tests. The gradation is the distribution of various particle sizes within the material. CHAPTER 4 STUDY QUESTIONS 2) True or False. American Water Works Association (test every other 4 in. Links may open in a new window. The specific locations are shown on the plans. VECAT,through Germanna Community College (GCC), is hosting the following courses, which are now available either online or in a face to face format: For more information on courses and registration click here or contact Judith Calvert, 540-937-6757. Rubber gaskets may be used when the joint slope is five degrees or less, however it is usually limited to mastic or butyl sealants. The cost estimates, SPECIFICATIONS FOR SEWER PIPE AND LINING INSERTION - TRENCHLESS; GENERAL GUIDELINES (As Provided by NASSCO) 1 Intent: The intent of trenchless sewer pipe Insertion is to rehabilitate the existing sewer. The following is a list of SPECIFICATIONS, which may be related to this section: A perforated conduit such as pipe, tubing or tile installed beneath the ground to intercept and convey ground water. For positive projection embankment installations, the embankment material should be placed and compacted to a minimum of one foot above the pipe and the trench excavated into the embankment. Conditions of Use Type of Inlet Protection, INSTALLATION GUIDE americanwick.com 800.242.WICK (9425) American Wick Drain SITEDRAIN prefabricated drainage products may be installed in a variety of civil construction applications including: retaining. Weigh clean dry container and record weight. Use units conforming to the dimensions, SECTION 33 05 16.13 PRECAST CONCRETE PART 1 - GENERAL 1.01 SECTION INCLUDES A. Trench excavation, backfill, and compaction; Section 02250. Highway Plan Reading Guide. 14) Fold the drainage fabric to provide 100% overlap at the top of the trench. ;5&6+Hv:#'Wg}]V.0;'|[c 9tD8XN[ |v(0|pemRS=v1VNc`j In a rigid pipe, this zone has zero effect on the load carrying capacity. endobj Currently VDOT certified or Mid Atlantic Regional Technician Program (MARTCP) in the following disciplines: - Expected VDOT Certifications Soil and Aggregate Field Compaction Asphalt Field Hydraulic Cement Concrete Field Pavement Marking Flagger Certification Certification & Issuing Agency Soil and Aggregate Compaction - VDOT or NICET LEVEL II* (Make a Mark on Outside of Pipe) Moving pipe around after joining may cause pipe joint to work apart. Locally Administered Projects Manual Updates and Materials Quality Assurance Plan Requirements May 11, 2015. 5.01 Design, PROJECT COST ESTIMATE ASSUMPTIONS AND EXCLUSIONS, SPECIFICATIONS FOR SEWER PIPE AND LINING INSERTION - TRENCHLESS; GENERAL GUIDELINES (As Provided by NASSCO), TECHNICAL NOTE Culvert Sliplining and Lining of Casings with HPPipe. For written and proficiency exams, contact the community colleges to schedule either an in-person or remote exam. Get the free VDOT Soils and Aggregate Compaction Description . If you wish to receive this content in an accessible format per Section 508 of the federal Rehabilitation Act, 29 U.S.C. Concrete Field - Current ACI must be submitted to MaterialsCertification@vdot.virginia.gov ; Soils and Aggregate Compaction - Physical demonstration of proficiency - scheduled by CCWA **New **Central Mix Aggregate Plant - Physical demonstration of proficiency - scheduled by CCWA **New** To learn about CHANGES up to 2018, please review the . This program will encompass nuclear density testing, one-point proctor and "Speedy" moisture, construction and testing of embankments and subgrade, pipe installation, roller patterns and reports. Provide concrete sewer pipe less than 12 inches in diameter, and in other sizes, Note: The text must be edited to suit specific project requirements. The original Former is a vacuum formed light gauge plastic mold, The contractor shall moist-cure the completed Lime Treated Subbase for a minimum of days before allowing any traffic on the compacted surface. hb```f``2f`@( %%EOF 794 (d), please call 800-367-7623. SECTION IV - TESTS AND INSPECTIONS PART 1 - GENERAL 1.01 Testing - General Testing shall be of the type and frequency described in each section and summarized in Item 1 of this section. Some links may require the Adobe Reader. Community College Workforce Alliance | The Mission of CCWA is to meet . STEPS TO CONSTRUCTING A MOISTURE-RESISTANT FOUNDATION SOURCES OF MOISTURE IN NEW CONSTRUCTION. What term describes the distribution of various particle sizes with the material? True or false: Open graded aggregates are used in pavement to give the structure more strength. Another option with the flared bell is the Modified Tongue & Groove, or Baby Bell which is a cross between a straight walled T&G and a Standard Bell it does not stick out from the barrel as far as a flared bell. Grade Adjustment of Existing Miscellaneous Structures 600-8 3. How heavy should the hammer be? pipe stiffness 65 psi) 6) An end wall for the protection of the outlet pipe. Deficiencies found may include: but are not limited to, the following: Crushed, collapsed or deformed pipe or joints Alignment defects Improper Joints (allow infiltration of soil) Misaligned joints (allow debris accumulation) Pipe Penetrations (guardrails, utilities, etc.) What term refers to the texture and firmness of a soil? In this research work three methods of handling rock sized aggregates which include compacting the whole sample (method . Fill out, edit & sign PDFs on your mobile, Description of vdot soils and aggregate compaction, Related Forms Design Criteria No stockpiling of excavation materials is allowed unless the Geotechnical Engineer, DEPARTMENT OF PUBLIC WORKS COUNTY OF HENRICO P.O. CON 310 Soils and Aggregates (Soils and Compaction) Homework Name:_____ 1) Why is it important for material testing technicians understand how to perform both the nuclear density test and the sandcone test for compaction testing? Fine particles are more sensitive to the presence of water than coarse particles. The side is called the drainage side. 402.02. Effect of Rock-Sized Aggregates on Soil Compaction Results . 2016v1.0 Chapter 4 17, 18 8) At the end of the run ( feet) a 45 degree elbow is used to connect the longitudinal pipe to the non perforated outlet pipe to force the collected water to discharge. 18) What is the minimum amount of cover over pipe to prevent damage from construction loads? Pipe Materials B. % These items shall conform to Section 31, "Storm Drain Installation," of these Standard Provisions. 11 terms. Locate Utilities Prior to excavating the trench area, all utilities should be located by a qualified contractor. Please click on the course title to see the full course description. Civil. As stated earlier, soils are made up of many different types, shapes and sizes of particles. As a reminder, all certification courses are available either online or through a self-study option at the respective community colleges. Soils will not need to obtain a VDOT Soils and Aggregate Compaction Certification. 2016v1.0 Chapter 4 4, 5 PRE CONSTRUCTION ISSUES Prior to construction the pipe delivered to the project should be inspected and verified to be the pipe specified for the project. Proper haunching provides support to ensure the pipe s strength is achieved. Section includes specifications for storm drainage systems including modifications and connections to existing storm drainage systems. %PDF-1.5 % 322 0 obj <>stream True or false: The voids in a saturated soil are partly filled with water and partly filled with water. 10) What is the maximum backfill lift thickness? x; =@~fKJU >e A .E,fjd=| ^'(rN_92>#e' ?Ab t40 [$b3F l`fz>q!`\U1Dsb@2l P9 % VDOT Soils and Aggregate Compaction: Chapter 3. There is still an opportunity to test on the last day of class; however there is . VDOT Materials Certification Schools. 5) Why is lime used with soil? To prevent sloping soils from becoming. We also encourage you to contactJ. R. Noble at james.noble@vdot.virginia.gov to sign up for the MCS Managers report, which is offered to help you better track and manage progress throughout the year. Your one-stop source for VDOT maps, data and project info. Web Policy / Privacy Statement / WAI Compliance / Email Safety / Site Map, Click here to access guidelines for the VDOT Materials Certification Schools Program (Section 114, Manual of Instructions), ACI Concrete Field Testing Technician Certification Program Schedule, Nuclear Radiation Certifications can now be obtained online through third party vendors, Pavement Marking (only available as an online course), Asphalt Plant Level 1 - Physical demonstration of proficiency -scheduled byGermanna CC, Asphalt Plant Level 2 - Physical demonstration of proficiency - scheduled by Germanna CC, Asphalt Plant Mix Design - Physical demonstration of proficiency - scheduled by Germanna CC, Concrete Field - Current ACI must be submitted to, Soils and Aggregate Compaction - Physical demonstration of proficiency - scheduled by CCWA. A standard Video/ Digital Camera can be used. This website includes hyperlinks to sites neither controlled nor sponsored by VDOT or the Commonwealth of Virginia. In construction, this is a significant part of the building process. lift) = 13 tests required (minimum) (Answer) Backfill around Manholes (minimum) One test every fourth compacted lift around the perimeter; beginning after the first 4 inch compacted lift above the bedding and continue to 5 feet below the top of the structure. General: Submit the following in accordance with The General Conditions. 17) What is the minimum amount of cover over pipe allowed for design loads? Soil compaction occurs when soil particles are pressed together, reducing pore space between them (Figure 1). 1 (do not test 1st lift) = 4) = 11 tests required per 300 5) Length of run = 856 ft.; therefore 3 sets of tests required 6) 11 x 3 = 33 tests required for total run (minimum) (Answer) 2016v1.0 Chapter 4 13, 14 Backfill around Drop Inlets (minimum) One test every other lift around the perimeter; beginning after the first 4 inch compacted lift above the bedding and continue to the top of the structure. At the engineer of record's. 55 terms. <>/Metadata 1689 0 R/ViewerPreferences 1690 0 R>> When performing a manual visual inspection: There must be adequate crawl/walking space and VDOT Safety Policy and Procedure #8 Confined Space Entry Policy and Procedure must be followed. Describe recommended installation procedures 4. A drained pavement structure has a higher bearing capacity that can effectively support traffic loadings, and lead to long lasting pavement at the least maintenance cost. The values are often affected by varying percentages of large aggregate which consultants and contractors do not usually put into consideration. protection. (Road and Bridge Spec. Portion of Section 2102 . hbbd``b`$BAD`LZ H0j( a2H-q u\?#v#_ ), Index. JnqYj A"@. Concrete Field 1. N7R;No7^Y Unsuitable or unstable foundations may be undercut and replaced with a suitable bedding material, placed in 6 lifts. Silt tight joints provide protection against infiltration of the backfill material containing a high percentage of fines, and typically utilize some type of filtering or sealing component, such as an elastomeric rubber seal or geotextile. 35 terms. Trenching, Backfilling and Compacting: 02223, DRAINAGE MATS For Vertical: Flow 15-P For Horizontal: Flow 18-H, City of West Linn Public Works Standard Construction Specifications. Work includes furnishing and installing precast modular blocks, : Construction Inspection ChecklistsTools Stormwater/Wetland Pond Construction Inspection Checklist Project: Location: Site Status: Date: Time: Inspector: SATISFACTORY/ UNSATISFACTORY COMMENTS Pre-Construction/Materials. endobj For more information about taking the . SANITARY SEWER SPECIFICATIONS OCTOBER 2003 HARVEST-MONROVIA WATER, SEWER, AND FIRE PROTECTION AUTHORITY SECTION 1.00 1.10 Purpose The purpose of this document is to assemble the sewer specifications, policies, SEDIMENT/STORMWATER MANAGEMENT BASIN CONSTRUCTION CHECKLIST For permanent structures per Delaware SCS Pond Code 378 and Delaware Sediment and Stormwater Regulations KEY PROJECT INFORMATION Item meets standard, LS 2540 SEWER LATERALS AND INSPECTION TEES A. Summary B. Submittals C. Site Information D. Sewer Pipe and Fittings E. Lateral Locations F. Lateral Installation G. Inspection Tee Installation H. Removal, SECTION 02630 PART 1 - GENERAL 1.01 DESCRIPTION A. Upstream or down stream? Shop drawings, 6.01 SCOPE The work covered by this section of the specifications consists of the furnishing of all plant, labor, materials, equipment and supervision and performing all operations involved in the construction, SECTION 02720 SANITARY SEWER AND STORM DRAIN SYSTEMS PART 1 GENERAL 1.01 SECTION INCLUDES A. No. qc]o^~n_Q%adt|Ha$|y%{DF0*&pu6YoV77Rjk1}O7MEnvGHN5ltvMaCpZVl^hTlkQ0Vd5Lgf]n v.l PU5,ep jL4*$:@i'gCo'?(j]IDD1s0NhJ#+H>L[x5IG ++lx.g44FKp[\E{{ 4Y~r\=5ntm)U&LO,~?rmua*)[FDyU{|ba ,n-Osl?*O%AAwoi6y(^f6.qtRz m%UieD,s ,`#2%"%z*)T C]}9xiool+5hlG 7x9xq.N?K#!v70o%W"aa#gqm?btkABf1y6kudW\L-NzUvZK4oN^G)D|;&dU_9*k5NR]Nlmu.J NT6lW-a% ItC&1`{z'`kP wh"0h{ Minimum/Maximum Cover All Culverts 24 minimum cover Absolute minimum fill height (12 ) Except for entrances (9 minimum) All pipe should have three feet of cover on it before construction traffic is allowed across it. VDOT Soils and Aggregate Compaction 2016v1.0 Appendix B | 2 17) Once the system has been installed, it is critical that inspection is performed to ensure that there are no areas that are crushed, clogged or otherwise non functioning. Geotechnical Design Parameters for Retaining Walls, Sound Barrier Walls and Non-Critical Slopes. The proctored 1 hour, 1-on-1 proficiency test is required to fully complete the VDOT Soils & Aggregate Compaction certification. Refer to VDOT Road and Bridge Specifications, Section Procedures (d) Post Installation Inspection for detail requirements and remediation procedures. Construction loads often exceed design loads. SUBDRAINS AND FOOTING DRAIN COLLECTORS. The following shall serve as the minimum requirements for contractors performing work in relation to the Authority s potable water and sanitary sewer system(s), appurtenances and service connections. All materials, Ohio Department of Transportation Division of Production Management Office of Geotechnical Engineering Geotechnical Bulletin GB 1 PLAN SUBGRADES Geotechnical Bulletin GB1 was jointly developed by the Offices, CHAPTER 6 - SANITARY SEWER 6.1 GENERAL This section covers the requirements for PVC plastic sewer pipe materials and installation in sanitary sewer construction. The middle of the bedding, should be loosely placed and not exceed 8 inches. Pollution Prevention Field Guide for Construction Activities. Responds to data requests. (Zero Air Voids = ZAV). endobj This program will encompass nuclear density testing, one-point proctor and "Speedy" moisture, construction and testing of embankments and subgrade, pipe installation, roller patterns and reports. 2e\o ngV10J6q`pp)|Hpm3@BF > endobj 298 0 obj <> endobj 299 0 obj <>stream 200 sieve. Your one-stop source for VDOT maps, data and project info. What is compaction? For registration assistance, questions or concerns, please contact: The MCS courses are currentlybeing delivered through a partnership between VDOT, the Virginia Education Center for Asphalt Technology (VECAT) with Germanna Community College (GCC)and the Community College Workforce Alliance (CCWA). San Antonio Water System Standard Specifications for Construction ITEM NO. Install Pipe The grade of the pipe should always be monitored during installation. TThe Construction Materials Testing Soils exam is delivered on a computer at Pearson Vue Testing Centers. 1103 POINT REPAIRS AND OBSTRUCTION REMOVALS 1103.1 DESCRIPTION: 1. SECTION 014500 QUALITY CONTROL PART 1 GENERAL 1.01 RELATED REQUIREMENTS A. %PDF-1.5 % Additionally, a copy shall be furnished to local VDOT Asset Management personnel to document the pipe/culvert condition at that point in time. Consistency refers to the texture and firmness of a soil. 2 0 obj Importance to Maintenance & Water Quality. How many blows does each layer require? A REVIEW OF THE USE OF RECLAIMED ASPHALT - Read online for free. The goal shall be to collect, C PROJECT ESTIMATE ASSUMPTIONS AND EXCLUSIONS In support of the alternatives development process, preliminary cost estimates were prepared for each of the three Candidate Build Alternatives. VDOT Soils and Aggregate Compaction 2016v1.0 Appendix C | 5 Debris in the pipe Coatings free of cracks, scratches and peeling Cracks (longitudinal and circumferential) Spalls and Slabbing For metal and plastic pipe localized buckling, bulging, cracking at bolt holes, flattening, or racking, etc. False. 155 0 obj <>stream "Understanding soils is the key to becoming a well-rounded special inspector. Section 33 0200- Page 1 of 4 PART 1 - GENERAL 1.1 DESCRIPTION OF WORK The work of this Section includes furnishing and installing Reinforced Concrete Pressure Pipe as shown on the Drawings and as specified. Work shall consist of furnishing and constructing a Rockwood Classic 8 with PCS unit segmental retaining wall, Appendix C: Pipe Material Policy Page C-1 PIPE MATERIAL POLICY Policy: This policy will replace all previous policies regarding the selection of pipe material for cross drains, drive pipe, drop pipe, storm, SECTION 33 31 00.11 GRAVITY SANITARY SEWERS PART 1: GENERAL 1.01 SCOPE A. materials (soils, aggregate and asphalt) in the field, the Geotechnical firm shall be responsible for the continuous monitoring of the placement and compaction of aggregate base materials, asphalt concrete pavement and the placement and compaction of earthwork and backfill of trenches and structures to ensure compliance with the Specifications. In addition, two app roaches, soil compaction, and optimal workability are xZKs2>Ip P7[Sq9FoLLmJgl~K"5JtB2+!765nt-8\Gf._o{}E Repair of service laterals located, Storm Sewer Trenchless Upgrade Alternatives and Recommendations Background Approximately 1,930 feet of the 40-inch and 42-inch CMP storm sewer pipe from manhole M22 to manhole M12 will be evaluated for, SECTION 32 14 13.19 PERMEABLE INTERLOCKING CONCRETE PAVEMENT (1995 MasterFormat Section 02795) Note: This guide specification for U.S. applications describes construction of permeable interlocking concrete, REINFORCED CONCRETE PIPE PRE INSTALLATION INSPECTION & REPAIR MANUAL Kentucky Transportation Cabinet Kentucky Department of Highways Division of Materials 1227 Wilkinson Boulevard Frankfort, KY 40601 (502), Design Guide Basis of Design This section applies to the design and installation of earthwork and backfill. 19 terms. The exploration should extend to a depth equal to per foot of fill height or 8, whichever is greater. 0 vdot soils and aggregate certification small voids and is compact. False. This type of joint provides a leak resistant joint when a profile gasket is used. SUMP DRAINS 7-3 7.3. 12) How long after installation is complete can the video inspection can be done? The camera must have the means to measure deformation/deflection of the pipe. Sign, fax and printable from PC, iPad, tablet or mobile with pdfFiller Instantly. VDOT Soils and Aggregate Compaction: Chapter 2. Length of run = 856 ft. (Pipe Diameter lift thickness) + (Fill above pipe lift thickness) (1 lift) = 3) (36 in. C. Section 014510 TESTING LABORATORY SERVICE. STORM SEWERS. 7-1 7.2. What term describes that the particles in a mixture are sized so that they fill most of the voids and there is very little space in between soil or stone particles? SECTION 02720 SANITARY SEWER AND STORM DRAIN SYSTEMS, Ohio Department of Transportation Division of Production Management Office of Geotechnical Engineering. VDOT: Soils and Aggregate Compaction. Proper installation is essential to pavement performance as it increases bearing capacity, increases service life and lowers maintenance costs. Block and gravel inlet Protection (Temporary) 6.52.1. Senior Transportation Construction Inspector to join us in VDOT's Northern Virginia to inspect all phases of construction on highway construction and maintenance projects.To oversee, monitors . Screen the sample over a 3/4-inch sieve and replace the aggregate retained with an equal weight of No. 8 in. VDOT : Central Mix Aggregate Plant with Proficiency - FULL PRICE NON VIRGINIA RESIDENTS, CCWA - Workforce Development and Conference Center, VDOT SELF-STUDY: Central Mix Aggregate Plant with Proficiency, VDOT SELF-STUDY: Soils and Aggregate Compaction, VDOT: Central Mix Aggregate Plant with Proficiency, VDOT: Documentation and Recordkeeping for Inspectors. Structure Earthwork: 02200. Trench excavation, backfill, and compaction; Section 02250. Exams are offered at various locations in Virginia. Silt Tight: A joint that is resistant to infiltration of particles that are smaller than particles passing the No. 8) A 36 inch diameter pipe, 290 feet long, is placed on a project as a drainage culvert. MANHOLES 7-4 7.5. SOILS AND AGGREGATE COMPACTION FIELD CERTIFICATION STUDY GUIDE 2016 Prepared By: The Virginia Department of Transportation (VDOT), Materials Division Note: The information included in this manual is generally compatible with current VDOT Road and Bridge Specifications; however, it should not be considered or used as a primary reference for VDOT Do not compact directly on pipe as it may damage the pipe. eG%\!9]y7WS{t m+zVjO!s[tG{y Q3@CJY1 9&. 1 4 INSTALLATION OF PIPE AND TESTING OF PIPE BACKFILL LEARNING OUTCOMES Understand basic pipe and soil concepts and how they relate to preconstruction issues Understand fundamental trench concepts and pipe installation procedures Understand inspection requirements and backfill testing frequencies and procedures Understand the basic principles of pavement drain construction INTRODUCTION A well installed pipe should stay in service 50 to 100 years with little or no repair. PurRoses 1. Backfill and compaction shall be advanced simultaneously on both sides of the pipe. When backfill material is above the spring line of the pipe, start at the trench wall and work towards the pipe. %PDF-1.5 % 1103 POINT REPAIRS AND OBSTRUCTION REMOVALS, Storm Sewer Trenchless Upgrade Alternatives and Recommendations, SECTION 32 14 13.19 PERMEABLE INTERLOCKING CONCRETE PAVEMENT (1995 MasterFormat Section 02795). 1-800-UNILOCK www.unilock.com FOREWORD This outline specification has been prepared for, CITY OF PETALUMA STORM DRAIN DESIGN AND CONSTRUCTION STANDARDS & SPECIFICATIONS 400 SERIES AUGUST 1999 Revised 10/98 City of Petaluma Petaluma, California STORM DRAIN INSTALLATION DETAIL, Session 7: Retrofitted Edge Drains 7.1 Learning Outcomes 1. 0 We developed this course with the input of 30-year inspection managers, engineers, and other industry experts. The video tape/dvd/digital photographs should be of such clarity, detail and resolution as to clearly show the conditions of the interior of the pipe/culvert and detect any defects within the pipe or culvert as specified herein. Unsuitable foundations must be stabilized at the engineer s direction. Similarly, VDOT will recognize NICET Construction Materials Testing Level II Certification in Concrete.
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