DZs}9{,dp ^E3 `E%)eNDL-F1>tcf^cs\3WCwn}YI.kaz1r LX[t6*4u*QEI^:RG3iiv=I ->6{mU=CKGuK'b A pre-production meeting should be held before work commences on a project. 1918 provides A list of MDOT personnel who will be assigned to the project should be provided to the Contractor. The important part to remember is that although it rolls slower than a static roller, the vibratory machine can usually economically reach specified density with fewer passes. Finally, the difference in the alignment of the two screeds can cause a difference in the degree of compaction that is obtained from the screed. The taper shall be constructed by the use of an approved strike off device attached to the screed that will provide a uniform slope and will not restrict the main screed. Since there are 5280 feet in the sublot, pick two numbers using the random number generating calculator, which are then multiplied by 5280. The rollers must be clean and free to rotate to allow smooth forward travel of the paver. Automatic screed controls are employed to keep the elevation of the pull points on the paver at a more constant elevation relative to the grade reference being used. The subject of joints includes longitudinal joints and transverse joints, as well as the matched joint between an asphalt surface and a concrete pavement, or gutter pan. Custom boutique photography for newborns, children, families, seniors, and weddings From 30 to 100 m 3 /h; MODULMIX Plant for large productions and special concretes. Do extensions have approved method of heating? x]Y#7~o_4vnuIU$Kno# JA~$#xn_>onbN~_oy{fqq\O{O|[oo*$uYuCjU Tdx&oNO#7/%nR~&OoJjO?}OfS1yr?} gsysx) Contract Administration and Oversight Guidelines for Projects Containing Warranty Work Email this Page Contents 1 All Projects 2 Hot Mix Asphalt (HMA) Paving Projects 3 Concrete Paving Projects 4 Capital Preventive Maintenance (CPM) Surface Seal Projects 5 Documentation and Notifications All Projects The screed unit, which is towed by the tractor unit, establishes the thickness of the asphalt layer and provides the initial mat texture. The thickness of each course generally should not exceed 3 inches. FY 2024 HSIP Streamlined Systemic Application If the wedging is greater than 3 inches, two courses of HMA mixture may be required. It is important for the screed extension to be attached securely to the main screed. 4641 0 obj <> endobj Joints that are poorly sealed should have the old seal material removed and the joints cleaned. Rigid extensions come in several widths, usually 6 inch, 12 inch, 2, 3, and 5 foot sections. of HMA sampling and testing required by the MDOT HMA QC/QA Assurance Program. Samples to be taken a minimum of every mile in each lane by milling or coring. wN: NDRC nt-+^`w0=}~uSn}~yr=tCe#uzZj7c@@ Worauf Sie als Kunde bei der Auswahl der Nici qid achten sollten. Pavement Type Selection Process; Ride Specification . It is generally impossible to roll these marks out once the mat cools. It is generally the responsibility of the Engineer to outline the scope of the project and to discuss the information provided in the contract documents. Any questions about the information in the contract documents should be raised and clarification requested, if necessary. Any severely spalled areas at joints should be repaired using partial-depth repair methods. R1-6 Gateway Treatment Risk analysis is specifically used to select appropriate performance standards for various bridge . Maintain and document these certifications in the project files. MDOT Standard Practice for Random Sampling of HMA Materials, Utilizing Reclaimed Asphalt Pavement (RAP) Millings from the Same Project When Using a Portable Hot Mix Asphalt (HMA) Plant, Division 5 - HMA Pavements and Surface Treatments, https://mdotwiki.state.mi.us/construction/index.php?title=501_-_Plant_Produced_Hot_Mix_Asphalt&oldid=6529, AASHTOWare Project Construction & Materials Software Manual, 202 - Removing Trees, Stumps, and Corduroy, 203 - Removing Drainage Structures, Culverts, and Sewers, 204 - Removing Miscellaneous Structures and Materials, 206 - Excavation and Backfill for Structures, 208 - Soil Erosion and Sedimentation Control (NPDES), 406 - Precast Three-Sided, Arch, and Box Culverts, 604 - Contractor Quality Control for Concrete, 605 - Contractor Quality Assurance for Concrete, 701 - Portland Cement Concrete for Structures, 703 - Mortar and Concrete Patching Repair and Resurfacing Mixes, 710 - Waterproofing and Protective Covers, 714 - Temporary Structures and Approaches, 715 - Cleaning and Coating Existing Structural Steel, 716 - Shop Cleaning and Coating Structural Steel, 802 - Concrete Curb, Gutter, and Dividers, 803 - Concrete Sidewalk, Ramps, and Steps, 804 - Concrete Barriers and Glare Screens, 807 - Guardrail, Guardrail Terminals, and Miscellaneous Posts, 810 - Permanent Traffic Signs and Supports, 812 - Temporary Traffic Control for Construction Zone Operations, 821 - Preservation of Land Monuments and Property Corners, 822 - Ground or Cut Centerline and Shoulder Corrugations. This report include report of all producer's topsoil material that meet the Section 920 Specification requirements as Landscaping material. Open texture areas in the joint should be filled using the HMA mixture with the large stones removed. Non-biodegradable agents that dissolve the HMA mixture, such as fuel oil, shall not be used at the paving site. The roller should not sit and wait on the hot mat. 2023 HRRR Selection List, Highway Safety Manual (HSM) Process FY 2024 Safety (HSIP and HRRR) Call Letter documented in the HMA-QC Plan and discussed at the pre-production meeting. In the longitudinal direction, the rollers should not stop at the same transverse end point with each pass of the roller; the reversal points should be staggered to prevent shoving of the mix. A listing of key Contractor personnel who will be assigned to the project, with clear lines of authority, should be provided to MDOT. All the tires should be the same size, ply and tire pressure. This is caused by an improperly adjusted screed angle of attack. The office also works directly with legislators' offices regarding state and local transportation constituent concerns. I3 Q[LSP'@Df]]nt .Q1-^zAi"AN|.Tc Weather and air temperature requirements. Included are examples of calculations, documentation requirements, and contact information for MDOT and private testing laboratories. All existing pavements, including newly-constructed HMA surfaces, which are to be surfaced with HMA, will receive a bond coat application. It is necessary for the screed to be the same temperature as the mixture being placed in order to assure that the mix does not stick to the screed plate and tear the mat, causing a rough texture to the surface. This process is typically used for superelevation corrections, placing a wedging course so that the leveling and top courses can be placed at a uniform thickness. The screed is equipped with heaters, the purpose of which is to increase the temperature of the cold bottom screed plate to about 320F (160C). 310 0 obj <> endobj 312 0 obj <>>>/Contents 313 0 R/StructParents 0/Tabs/S/CropBox[ 0 0 612 792]/Rotate 0>> endobj 313 0 obj <>stream FY 2023 Project Planning Guide When cold-milling by the ton is a pay item, a weigh person will be needed. See Figure 502-2. This hitch acts to keep the truck in contact with the paver to prevent the truck driver from inadvertently pulling away from the paver and dumping mix on the pavement in front of the paver. The last meter of the HMA material should be raked and all the large stones removed, leaving the fine material. The Contractor would then correct the problem and show that a uniform application can be made before being allowed to continue paving on the project. Laying out core locations, discuss how it will be done. 30 to 120 m 3 /h; EBA Mobile plant for medium productions. Is heating system in good working condition? Every individual should know what is expected and know how to perform the assigned tasks. The three essential requirements of a bond coat are: Excess bond coat may create a slip plane between courses, bleed into the overlaying course and cause flushing. The rolling zone is the distance behind the paver where the breakdown roller operates. The auger on each side of the paver is operated independently of the other. It covers all or parts of 13 states in the US and five provinces or territories in Canada. MDOT Microstation Workspace Instructions, Asset Management Guide for Local Agency Bridges in Michigan Compaction of the taper section will be required as near to final density as possible. Transportation Systems Management & Operations, Transportation and Civil Engineering Program, Transportation and Civil Engineering Internship, Transportation Diversity Recruitment Program, https://dev.michigan.local/som/json?sc_device=json, 2nd Street Bridge over Kalamazoo River in Allegan County, Maritime and Port Facility Assistance Office, National Summer Transportation Institute Program, Go to Transportation Systems Management & Operations, Go to Transportation and Civil Engineering Program, Go to Transportation and Civil Engineering Internship, Go to Youth Development & Mentoring Program, Go to Transportation Diversity Recruitment Program, Mackinac Straits Corridor Authority (MSCA), Transportation Asset Management Council (TAMC), Logistics & Supply Chain Collaboration (LSC), Instructions for Preparing to Bid Federal Aid Projects Through MDOT, Instructions for Construction of Federally Funded Local Agency projects by Non-Competitive Bid Contract (Force Account), Bridge Area Staff Engineer Contact Information, Regional Bridge Councils Contact Information, Local Bridge Advisory Board Contact Information, Public Notice of Local Bridge Advisory Board Meeting October27, 2022- Location Change, Public Notice of Bay Region Bridge Council Meeting for October 3, 2022, Public Notice of Grand Region Bridge Council Meeting for October 10, 2022, Public Notice of Metro Region Bridge Council Meeting for September 28, 2022, Public Notice of North Region Bridge Council Meeting for September 22, 2022, Public Notice of Southwest Region Bridge Council Meeting for October 5, 2022, Public Notice of Superior Region Bridge Council Meeting for September 23, 2022, Public Notice of University Region Bridge Council Meeting for October 12, 2022, FY 2025 Local Bridge Applications Received, FY 2022 LAP Bridge Scoping Cost Estimate Worksheet, FY 2025 Local Bridge Program Call For Applications - Due April 2022, FY 2026 Local Bridge Program - Call for Applications Submission Sheet, Asset Management Guide for Local Agency Bridges in Michigan, Asset Management Bridge Inventory Data and Maintenance Plan Spreadsheet, TE Grant Applicant Roles/Responsibilities, FY 2024 Local Safety Program Applications Received, FY 2024 Safety (HSIP and HRRR) Call Letter, FY 2024 Electronic Application Submittal Form, FY 2024 HSIP Streamlined Systemic Application, Highway Safety Manual (HSM) Analysis Spreadsheet, 2024 Streamlined Systemic HSIP Selection List, 2023 Streamlined Systemic HSIP Selection List, ATSSA/NACE Low Cost Local Road Safety Solutions, Incorporating Safety into Resurfacing and Restoration Projects, Common Safety Countermeasures for Local Agencies for Segments and Intersections, Common Safety Countermeasures for Local Agencies for Peds and Bikes. 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