32 17 23 - Pavement Markings.pdf
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- Lancaster County, Pennsylvania
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This is a technical specification document for pavement markings services prepared by Herbert, Rowland & Grubic, Inc., for use by the Elizabethtown Area Water Authority on the Water Main Replacement Project Phase 4. The specification covers traffic lines and markings applied to paved surfaces using ready-mixed, waterborne traffic paint that must meet Pennsylvania Department of Transportation standards and AASHTO specifications. The work includes application of various pavement markings such as longitudinal lines, stop bars, gore markings, crosswalks, turn arrows, and bike lane markings. Paint must be lead-free and nontoxic with a minimum retroreflectance of 85 mcd and a durability rating of 6 or more after nine months in place. The specification requires paint to be tack-free within two minutes of application and reach maximum dry-through time of 125 minutes. Surface preparation involves cleaning and drying paved surfaces, removal of existing markings without damage to pavement, and spotting final marking locations at 25-foot intervals prior to application. Paint application must comply with PennDOT Sections 960 and 962, with barrier cones maintained for at least 30 minutes or until paint is dry and track-free from vehicular traffic. Ambient conditions must remain above 50 degrees Fahrenheit for 24 hours after application, with pavement surface temperature minimum of 40 degrees Fahrenheit and rising for thermoplastic applications.
The specification requires contractors to furnish materials listed on the Pennsylvania Department of Transportation Qualified Products List and submit paint formulation data, manufacturer instructions for application temperatures and rates, and detailed installation requirements prior to work commencement. Paint properties must include pigment content of 60 percent by weight, vehicle content of 40 percent by weight, nonvolatile content of 75 percent by weight, viscosity of 80-90 Kreb Units at 77 degrees Fahrenheit, and maximum VOC content of 1 pound per gallon. Application equipment must include dual nozzle paint guns capable of applying parallel lines of indicated width, automatic measuring devices to record line length to the nearest foot, and paint heaters capable of reaching 125 degrees Fahrenheit. Concrete surfaces cannot receive paint markings until 28 days after curing. Traffic maintenance requirements include maintaining travel lanes between 7:00 AM and 9:00 AM and between 4:00 PM and 6:00 PM, preserving access to existing businesses and properties, and preventing interference with marking operations. A three-year manufacturer's warranty is required for all pavement markings. Field quality control inspection must verify correct location, sufficient thickness, line width, coverage, retention, and bonding, with deficient areas subject to repair and repainting at contractor expense.
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Text version
32 17 23 – PAVEMENT MARKINGS
Herbert, Rowland & Grubic, Inc. 32 17 23 - 1 009280.0426
SECTION 32 17 23 – PAVEMENT MARKINGS
PART 1 - GENERAL
1.1 SUMMARY
A. Section Includes:
1. Traffic lines and markings.
2. Paint.
B. Related Requirements:
1. Section 32 12 16 – Asphalt Paving
2. Section 32 13 13 – Concrete Paving
1.2 REFERENCE STANDARDS
A. Pennsylvania Department of Transportation
1. Publication 408 – Standard Specifications
B. American Association of State Highway and Transportation Officials:
1. AASHTO M247 - Standard Specification for Glass Beads Used in Pavement
Markings.
C. ASTM International:
1. ASTM D34 - Standard Guide for Chemical Analysis of White Pigments.
2. ASTM D126 - Standard Test Methods for Analysis of Yellow, Orange, and Green
Pigments Containing Lead Chromate and Chromium Oxide Green.
3. ASTM D562 - Standard Test Method for Consistency of Paints Measuring Krebs
Unit (KU) Viscosity Using a Stormer-Type Viscometer.
4. ASTM D711 - Standard Test Method for No-Pick-Up Time of Traffic Paint.
5. ASTM D713 - Standard Practice for Conducting Road Service Tests on Fluid Traffic
Marking Materials.
6. ASTM D1301 - Standard Test Methods for Chemical Analysis of White Lead
Pigments.
7. ASTM D1394 - Standard Test Methods for Chemical Analysis of White Titanium
Pigments.
8. ASTM D1475 - Standard Test Method for Density of Liquid Coatings, Inks, and
Related Products.
9. ASTM D1640/D1640M - Standard Test Methods for Drying, Curing, or Film
Formation of Organic Coatings.
10. ASTM D2202 - Standard Test Method for Slump of Sealants.
11. ASTM D2371 - Standard Test Method for Pigment Content of Solvent-Reducible
Paints.
Herbert, Rowland & Grubic, Inc. 32 17 23 - 2 009280.0426
12. ASTM D2621 - Standard Test Method for Infrared Identification of Vehicle Solids from Solvent-Reducible Paints.
13. ASTM D2743 - Standard Practices for Uniformity of Traffic Paint Vehicle Solids by Spectroscopy and Gas Chromatography.
14. ASTM D4280 - Standard Specification for Extended Life Type, Nonplowable, Raised Retroreflective Pavement Markers.
15. ASTM D4505 - Standard Specification for Preformed Retroreflective Pavement Marking Tape for Extended Service Life.
1.3 SUBMITTALS
A. Section 01 33 00 – Submittal Procedures: Requirements for submittals.
B. Product Data: Submit paint formulation for each type of paint.
C. Manufacturer Instructions:
1. Submit instructions for application temperatures, eradication requirements, application rate, line thickness, and application rate.
2. Submit detailed instructions on installation requirements, including storage and handling procedures.
1.4 QUALITY ASSURANCE
A. Perform Work according to PennDOT and Elizabethtown Area Water Authority standards.
1.5 DELIVERY, STORAGE, AND HANDLING
A. Section 01 61 00 – Product Requirements: Requirements for transporting, handling, storing, and protecting products.
B. Inspection: Accept materials on Site in manufacturer's original packaging and inspect for damage.
C. Storage:
1. According to manufacturer instructions.
2. Paint:
a. Invert containers several days prior to use if paint has been stored more than two months.
b. Minimize exposure to air when transferring paint.
c. Seal drums and tanks when not in use.
D. Protection:
1. Protect materials from moisture and dust by storing in clean, dry location remote from construction operations areas.
Provide additional protection according to manufacturer instructions.
Herbert, Rowland & Grubic, Inc. 32 17 23 - 3 009280.0426
1.6 AMBIENT CONDITIONS
A. Do not apply materials if surface and ambient temperatures are outside temperature ranges required by paint product manufacturer.
B. Do not apply exterior coatings during rain or snow if relative humidity is outside range required by paint manufacturer, or if moisture content of surfaces exceeds that required by paint manufacturer.
C. Minimum Conditions: Do not apply paint if temperatures are or are expected to fall below 50 deg. F within 24 hours after application.
D. Thermoplastic Compound: Do not apply unless pavement surface temperature is minimum 40 deg. F and rising.
E. Maximum VOCs: Do not exceed limit required by State or Environmental Protection Agency.
1.7 WARRANTY
A. Section 01 78 36 – Warranties: Requirements for warranties.
B. Furnish three-year manufacturer's warranty for pavement markings.
PART 2 - PRODUCTS
2.1 PAINTED PAVEMENT MARKINGS
A. Manufacturers:
1. Furnish materials according to Pennsylvania Department of Transportation Bulletin 15, Qualified Products List for Construction.
B. Performance and Design Criteria:
1. Paint Adhesion: Adhere to road surface, forming smooth continuous film one minute after application.
2. Paint Drying: Tack free by touch as not to transfer by vehicle tires within two minutes after application.
C. Paint:
1. Description: Ready mixed, conventional, fast-dry, waterborne traffic paints.
2. Lead-free and nontoxic.
3. Minimum Retroreflectance: 85 mcd.
Herbert, Rowland & Grubic, Inc. 32 17 23 - 4 009280.0426
4. Durability Rating: 6 or more, after in place for nine months.
5. Properties:
a. Pigment Percent by Weight: 60, plus or minus 2.
b. Vehicle Percent by Weight: 40, plus or minus 2.
c. Nonvolatile Percent by Weight of Paint: 75.0.
d. Viscosity: 80-90 Kreb Units at 77 deg. F.
6. Grind:
a. Method: Hegeman Gage.
b. Minimum Field-Tested, No-Tracking Time under Ambient Conditions: 20 to 90 seconds.
7. Maximum Dry-Through Time:
a. 125 minutes.
b. Wet Film Thickness: 15 mils at 90 percent relative humidity and 72 deg.
F.
c. Comply with ASTM D1640/D1640M.
8. Maximum VOC Content: 1 lb./gal.
2.2 APPLICATION EQUIPMENT
A. Paint Gun:
1. Description: Simultaneously apply parallel lines of indicated width in solid or broken patterns or various combinations of those patterns.
2. Type: Dual nozzle.
B. Measuring Device: Automatically and continuously measure to nearest foot length of each line placed.
C. Paint Heater: Capable of heating paint to 125 deg. F for fast-dry applications.
2.3 SOURCE QUALITY CONTROL
A. Section 01 40 00 – Quality Requirements: Requirements for testing, inspection, and analysis.
PART 3 - EXECUTION
3.1 PREPARATION
A. Section 01 73 00 – Execution Requirements: Requirements for application preparation.
B. Do not apply paint to concrete surfaces until concrete has cured for 28 days.
Herbert, Rowland & Grubic, Inc. 32 17 23 - 5 009280.0426
C. Agitate paint for 1 to 15 minutes prior to application to ensure even distribution of pigment.
D. Maintenance and Protection of Traffic:
1. Provide short-term traffic control as specified in Section 01 50 00 – Temporary Facilities and Controls.
2. Prevent interference with marking operations and prevent traffic on newly applied markings before dry.
3. Maintain travel lanes between 7:00 AM and 9:00 AM, and between 4:00 PM and
6:00 PM.
4. Maintain access to existing businesses, and other properties requiring access.
E. Surface Preparation.
1. Clean and dry paved surfaces prior to painting.
2. Blow or sweep surface free of dirt, debris, oil, grease, or gasoline.
3. Spot location of final pavement markings, as specified and as indicated on Drawings, by applying pavement spots 25 feet o.c.
4. Request inspection by Engineer after placing pavement spots and minimum three days prior to applying traffic lines.
3.2 DEMOLITION
A. Remove existing markings in an acceptable manner, using methods that will cause least damage to pavement structure or surface.
B. Do not remove existing pavement markings by painting over with blank paint.
C. Repair pavement or surface damage caused by removal methods.
D. Clean and repair existing remaining, or reinstalled lines and legends.
3.3 APPLICATION
A. Pavement Markings:
1. All Pavement Markings, other than Longitudinal Lines, (stop bars, gore markings, crosswalks, turn arrows, bike lane) Markings: Apply in accordance with PennDOT Section 960. Provide satisfactory barrier cones for at least 30 minutes, or until the paint is dry and tack free from vehicular traffic. Repaint marked or damaged areas. Pavement marking placement on the state highway shall conform to TC- 8600 dated June 13, 2013.
Herbert, Rowland & Grubic, Inc. 32 17 23 - 6 009280.0426
2. Longitudinal Lines Pavement Markings: Apply in accordance with PennDOT Section 962. Provide satisfactory barrier cones for at least 30 minutes, or until the paint is dry and track free from vehicular traffic. Repaint marked or damaged areas.
3.4 TOLERANCES
A. Section 01 40 00 – Quality Requirements: Requirements for tolerances.
B. Maximum Variation from Wet Film Thickness: 1 mil.
C. Maximum Variation from Wet Paint Line Width: Plus or minus 1/8 inch.
3.5 FIELD QUALITY CONTROL
A. Section 01 40 00 – Quality Requirements: Requirements for inspecting and testing.
B. Inspect for incorrect location, insufficient thickness, line width, coverage, retention, uncured or discolored material, and insufficient bonding.
C. Acceptance:
1. Repair lines and markings which after application and curing do not meet following criteria:
a. Incorrect location.
b. Insufficient thickness, width, coverage, or retention.
c. Uncured or discolored material.
d. Insufficient bonding.
3.6 CLEANING
A. Section 01 73 00 – Execution Requirements and Section 01 77 00 – Closeout Procedures:
Requirements for cleaning.
B. Collect and legally dispose of residues from painting operations.
3.7 PROTECTION
A. Section 01 73 00 – Execution Requirements: Requirements for protecting finished Work.
B. Protect painted pavement markings from vehicular and pedestrian traffic until paint is dry and track free.
C. Unless material is track free at end of paint application convoy, use traffic cones to protect markings from traffic until track free.
D. If vehicle crosses a marking and tracks it, or if splattering or overspray occurs, eradicate affected marking and resultant tracking and apply new markings.
E. Follow manufacturer instructions or use minimum of 30 minutes of dry time.
Herbert, Rowland & Grubic, Inc. 32 17 23 - 7 009280.0426
F. Barrier cones are satisfactory protection for materials being dried.
3.8 MAINTENANCE
A. Section 01 73 00 – Execution Requirements: Requirements for maintenance service.
END OF SECTION 32 17 23
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