Figure 4.3: Minimum Cover to Allow Construction Traffic over Pipe 2016v1.0 Chapter 4 3, 4 The following tables give VDOT specifications for maximum height of cover for some types of pipe. Drawings and general provisions of Contract, including General and Supplemental Conditions and Division 1 Specification Sections, 551.01 550 PIPE CULVERTS, SEWERS AND DRAINS 551 GENERAL 551.01 Description 551.02 Materials 551.03 Excavation 551.04 Protection of Excavation 551.05(a) Bedding for Rigid Pipe 551.05(b) Bedding for Non-Rigid, How To Retaining Wall Guide Before you start: Consents and Engineering Building Consent Retaining walls over 1.5m high will require a building consent from the Local Body Council. "Understanding soils is the key to becoming a well-rounded special inspector. If the inspection is to be conducted with a video camera, the video camera shall have fully articulating lenses that will provide a 360 degree inspection of the pipe/culvert, including each joint and any deficient areas of the pipe/culvert, as well as a means to measure deformations/deflections of the pipe (items such as a laser range finder or other appropriate device for taking such measurements as specified herein and approved by the Engineer). 17) What is the minimum amount of cover over pipe allowed for design loads? SECTION 33 41 03 POLYVINYL CHLORIDE (PVC) PIPE, STANDARD SPECIFICATIONS SECTION 03461 PRECAST REINFORCED CONCRETE MANHOLES AND MANHOLE BASES. Please click on the course title to see the full course description. 7) Install the longitudinal perforated pipe at the bottom of the trench without bedding material. - 2000, If you believe that this page should be taken down, please follow our DMCA take down process, Something went wrong! Students are required to register for classes on the GCC and/or CCWA web sites. Location B. Sizing TABLE OF CONTENTS 08020 MATERIALS A. Pipe openings in precast drainage units shall not exceed the outside cross sectional dimensions of the pipes by more than a total of 8 inches regardless of the placement of the pipe, their angles of intersection, or shapes of the pipes. 1100 SLIP-LINING SANITARY SEWERS, SEDIMENT/STORMWATER MANAGEMENT BASIN CONSTRUCTION CHECKLIST, LS 2540 SEWER LATERALS AND INSPECTION TEES, CLEANING, INSPECTION, AND TESTING OF SEWERS, SECTION 33 41 13 PUBLIC STORM UTILITY DRAINAGE PIPING, Beacon Hill Sewer District Standard Specifications. (500 grams) of soil. If performed improperly, soil density settlement of the soil could occur and result in unnecessary maintenance costs or structure failure. No additional payment will be made for the repair or replacement of existing concrete damaged, ITEM NO. aggregate from the same source, or break up the material . In a rigid pipe, this zone has zero effect on the load carrying capacity. STEPS TO CONSTRUCTING A MOISTURE-RESISTANT FOUNDATION SOURCES OF MOISTURE IN NEW CONSTRUCTION. 6) Where can the typical underdrain drawings be found? 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. 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. The values are often affected by varying percentages of large aggregate which consultants and contractors do not usually put into consideration. The pipe should be stacked and chocked to avoid movement of the pipe. Description This section describes the installation of gravity sewer pipelines fabricated of vitrified, DRAINAGE MATS For Vertical: Flow 15-P For Horizontal: Flow 18-H Soil Drainage Mat with Built-In Protection Layer POLYGUARD DRAINAGE MATS are three-part prefabricated geocomposite drain consisting of a, City of West Linn Public Works Standard Construction Specifications Table of Contents DIVISION SIX STORM DRAIN TECHNICAL REQUIREMENTS 1 601 PIPE AND FITTINGS 1 601.01 Description1 601.02 Materials1, STANDARD SPECIFICATIONS FOR PRIVATE BUILDING SEWER LINES IN PUBLIC RIGHT-OF-WAY Approved and adopted as Official Document Number 800576 this 10th day of December, 1980 Donald R. Boyd, P.E., Director Water, 1.0 ACTIVITY DESCRIPTION 1.1 This document provides basic safety guidelines related to excavation and trenching in pipeline construction activities. Each layer of Class I and regular backfill material shall be compacted by rolling, tamping with mechanical rammers, or hand tamping with heavy metal tampers with a face of at least 25 square inches. At the engineer of record's. %PDF-1.5 % 142 0 obj <>/Filter/FlateDecode/ID[<40D256C358E2674187D5A8FC321FC95C>]/Index[129 27]/Info 128 0 R/Length 70/Prev 587873/Root 130 0 R/Size 156/Type/XRef/W[1 2 1]>>stream Fully insert pipe. Download Free PDF. Dense graded means that the particles in the mixture are sized do that they fill most of the voids; there is very little space between the soil or stone particles. VDOT Soils and Aggregate Compaction 2016v1.0 Appendix B | 2 How heavy should the hammer be? BOX 27032 RICHMOND, VIRGINIA 23273 PERMIT NO. Students must bring valid ID & attend class in order to test. 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. ALL students must have a valid account on VDOT University. A. Design Criteria No stockpiling of excavation materials is allowed unless the Geotechnical Engineer, DEPARTMENT OF PUBLIC WORKS COUNTY OF HENRICO P.O. The function of the pipe, the soil type present in the trench, the depth of the pipe can all influence the type of pipe selected. There is a variety of pavement under/edge drains in the VDOT Road and Bridge Standards Volume 1 ( ) with each addressing a specific geometric condition and groundwater condition. SUBDRAINS AND FOOTING DRAIN COLLECTORS. 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. % Materials Notebook Resource Document (pdf 2 MB) March 16, 2015. %%EOF This section includes all labor, materials, equipment, and incidentals required and installation of Polyvinyl Chloride, STANDARD SPECIFICATIONS SECTION 03461 PRECAST REINFORCED CONCRETE MANHOLES AND MANHOLE BASES PART 1 - GENERAL A. Students must bring valid ID & attend class in order to test. 10) What is the maximum backfill lift thickness? 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. = 15 lifts 5) 15 ifts 2 (one test every other lift) = 7.5, round up to 8 tests in the top 5 ft. of backfill 6) Total tests required = (Number of test below 5 ft.) + (Number of test above 5 ft.) 7) = 11 tests required (minimum) NOTE: Compaction Tests are required on stone backfill (Class I backfill and bedding material); consult the District Materials Division for Maximum Dry Density and Optimum Moisture Content targets for the specific material being used. When standing water is in pipe foundation area, No. For more information about taking the . What classification systems does VDOT use to classify soils? Students must bring valid ID & attend class in order to test. Civil. <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/Annots[ 11 0 R 12 0 R 21 0 R 25 0 R 31 0 R 32 0 R 33 0 R 34 0 R 47 0 R 48 0 R 49 0 R 50 0 R 51 0 R 52 0 R 53 0 R 54 0 R 55 0 R 56 0 R 57 0 R 60 0 R 61 0 R 62 0 R 63 0 R 64 0 R 65 0 R 66 0 R 67 0 R] /MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> CADD Manual. 5) Open only as much trench as can be safely maintained by available equipment. The proctored 1 hour, 1-on-1 proficiency test is required to fully complete the VDOT Soils & Aggregate Compaction certification. 200 sieve. In addition, two app roaches, soil compaction, and optimal workability are If the soils is 100 percent saturated and the voids are full of water and has a high MC. 5) Why is lime used with soil? Pipe Culverts 600-1 A. Endwalls, Inlets, Manholes, and Spring Boxes 600-5 2. Enrollment can be completed on through Germanna Community College or CCWA. hbbd``b`~$CC`LZ eQ@dq ;&F d}0 Silt Tight: A joint that is resistant to infiltration of particles that are smaller than particles passing the No. Grades and certifications are issued within 15-30 business days after the testing date. VDOT Soils and Aggregate Compaction: Chapter 2. 1. Your one-stop source for VDOT maps, data and project info. Responds to data requests. protection. Post installation inspections shall be conducted no sooner than 30 days after completion of installation and placement of final cover (except for pavement structure). 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. STORM SEWERS 402.01. hV[oH+hz3HJ Gravity sanitary sewers and appurtenances. Find the right form for you and fill it out: VisitingProfessorofLaw,StanfordLawSchool(W No results. %%EOF endstream endobj startxref Installation PowerPoint for Grasscrete Formers, Specifications for Residential Property Owners Connection to New Public Sewer, DESIGN AND CONSTRUCTION GUIDELINES AND STANDARDS DIVISION 33 UTILITIES 33 00 00 SITE UTILITIES, SECTION 200: STORM SEWER CONSTRUCTION STANDARDS, VIDEO INSPECTION AND LASER DEFLECTION TESTING FOR POST CONSTRUCTION QC/QA SPECIFICATIONS AND MAINTENANCE INSPECTIONS, Model Specification 509 DRISCOPLEX 4200 and DRISCOPLEX 4300 Gravity Flow Sanitary Sewer, STANDARD SPECIFICATIONS SECTION 02701 INSTALLATION OF GRAVITY SEWER PIPELINES. small voids and is compact. Length of run = 856 ft. (Pipe Diameter lift thickness) + (Fill above pipe lift thickness) (1 lift) = 3) (36 in. AASHTO M 145 The Classification of Soils and Soil-Aggregate Mixtures for Highway Construction Purposes. Section Procedures) When lift holes are provided in concrete pipe or precast box culverts, the Contractor shall install a lift hole plug furnished by the manufacturer. The foundation is to be explored below the bottom of the excavation to determine the type and condition of the foundation. 309 0 obj <>/Filter/FlateDecode/ID[<8C7926BE3CE0893EFFE3D4D04181CA9C><5F163F4C9BEAEE4B999AF08BC3EDB7FD>]/Index[296 27]/Info 295 0 R/Length 74/Prev 443524/Root 297 0 R/Size 323/Type/XRef/W[1 2 1]>>stream If the soils is 100 percent saturated and has low MC. 1. Links may open in a new window. Silt and clay are made up of particles smaller than the No. Backfill material shall be knifed into the area along the bottom edge of the pipe. 11) Backfill depth is at least equal to the diameter of the pipe. The gradation is the distribution of various particle sizes within the material. 8 in. To use this website, you must agree to our, SECTION 55 PIPE FOR STORM DRAINS AND CULVERTS (FAA D-701), State of Illinois Department Of Transportation CONSTRUCTION INSPECTOR S CHECKLIST FOR STORM SEWERS, SECTION 08000 STORM DRAINAGE TABLE OF CONTENTS, Wastewater Capital Projects Management Standard Construction Specification, Section 02702 SEWER PIPE INSTALLATION AND TESTING, SPECIFICATION FOR PIPE SUBSOIL DRAIN CONSTRUCTION. Manhole, Frame, and Cover Installation (includes Drop Manhole) Additional Manhole Depth. x]mo8^AXIQ/Ivzvw8NjL{bs(JIeYy!E'b~t_,NO?Ob]/yI(24z\|D/__8yC2|A5ID Q^G{q}I4w4/.jYYL%o#'? SECTION 02612 NONREINFORCED CONCRETE SEWER PIPE, Division 2 Section 32 14 13.19 Section 02795. Care must be exercised to ensure placement and compaction of the embedment material in the haunches. 1 0 obj SECTION 02530 STORM DRAINAGE STRUCTURES. endobj Pollution Prevention Field Guide for Construction Activities. All rights reserved. General: Submit the following in accordance with The General Conditions. The exploration should extend to a depth equal to per foot of fill height or 8, whichever is greater. Locate Utilities Prior to excavating the trench area, all utilities should be located by a qualified contractor. After pipe installation and prior to backfilling, plugs shall be installed from the exterior of the pipe or box culvert and snugly seated. The mandrel shall be pulled through the pipe or culvert by hand with a rope or cable. Schedule PH (Form 1120) (1960). Links may open in a new window. Soils will not need to obtain a VDOT Soils and Aggregate Compaction Certification. 200 sieve. + (12 in. 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. 1.02 REFERENCES, PART 1 - GENERAL Section 02702 SEWER PIPE INSTALLATION AND TESTING 1-1. 308 0 obj <>stream CULVERTS AND BRIDGES 7-5 7.7. This type joint gasket combination provides a leak resistant joint. Soil compaction occurs when soil particles are pressed together, reducing pore space between them (Figure 1). Single Offset: This joint first appeared in the early 1990 s. This style of spigot is much easier to manufacture. 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 . This zone contains the same select quality backfill material as in the haunch zone for flexible pipe.
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