SECTION 627 - PAVEMENT MARKINGS
627.01 Description This work shall consist of furnishing and placing reflectorized
pavement lines and markings, removing pavement lines and markings, and furnishing and applying reflectorized paint to curbing in reasonably close conformity with the plans and as designated. 6-93
627.02 Materials Materials shall conform to the requirements specified in the following
Sections of Division 700 - Materials. The pavement marking material used shall be from the Department’s QPL and have been tested through NTPEP. Pavement Marking Paint 708.03 Reflectorized Plastic Pavement Marking 712.05 Temporary Bi-directional Yellow Delineators shall be Temporary Object Markers
T.O.M.) as manufactured by the Davidson Plastic Company, 18726 East Valley Highway, Kent, WA 98031 or an approved equal.
627.04 General All pavement lines and markings shall be applied in accordance with
the latest edition of Manual on Uniform Traffic Control Devices. Longitudinal lines placed on tangent roadway segments shall be straight and true. Longitudinal lines placed on curves shall be continuous smoothly curved lines consistent with the roadway alignment. All pavement markings placed shall meet the tolerance limits shown on the plans. Unless otherwise shown on the plans, non-interstate lines shall be 4 inches wide and broken lines shall consist of alternate 10 foot painted line segments and 30 foot gaps. On controlled access divided highways and on the interstate system lines shall be 6 inches wide and broken lines shall consist of alternate 15 foot painted line segments and 25 foot gaps. Width tolerance shall be +/- ¼ inch. Temporary pavement marking lines, defined in Special Provision Section 652, Maintenance of Traffic, Temporary Centerline, will be applied as many times as necessary to properly delineate traffic lanes for the safe passage of traffic. Bi-directional delineators may be used in place of temporary lines, except where specified otherwise in Special Provision 652 Maintenance of Traffic, Temporary Centerline. Delineators will be applied at 40 foot intervals. In overnight lane closure areas that are not to be overlaid, temporary plastic lines or raised pavement markers shall be used through the length of the taper. Newly painted lines, markings and curb shall be protected from traffic by the use of cones, stationary vehicles or other approved methods until the paint is dry.
627.05 Preparation of Surface Immediately before applying the pavement marking
paint to the pavement or curb, the surface shall be dry and entirely free from dirt, grease, oil, or other foreign matter. Surface preparation for application of plastic markings shall conform to the manufacturer's recommendations. 6-94
627.06 Application Prior to applying paint for final pavement lines, the Contractor shall
perform a test for paint thickness by furnishing and placing a piece of smooth, clean metal with an area of at least 144 in² in the path of the striping truck. The striping truck shall be passed over the piece of metal, painting the surface as it passes, without applying beads. The result of this test will be used to determine the pressure setting and speed of the truck when applying paint to obtain the specified thickness. Additional paint thickness testing may be required on the final paint markings. The wet thickness of paint without beads on final pavement lines shall be a minimum of 16 mils. On other final pavement markings and on curb, where the paint is applied by hand painting or spraying, application shall be in two uniform covering coats, each at least 10 mils thick. Before the second coat of paint has dried, the glass beads shall be applied by a pressure system that will force the glass beads onto the undried paint as uniformly as possible. Glass beads shall be applied to the final and temporary pavement lines, marking and curb at a sufficient rate and in sufficient quantity to assure complete and uniform coverage of hand painted surfaces and achieve proper reflectivity. Permanent and temporary white lines and markings shall have a minimum final reflectivity value of 250 millicandelas per square meter per lux (mcd/m²/lux) and permanent and temporary yellow lines and markings shall have a minimum final reflectivity value of 150 millicandelas per square meter per lux (mcd/m²/lux), as measured by the Department. Measurements taken to determine reflectivity shall be done within 4 weeks after final placement. If the final reflectivity values are less than the described minimums, the Contractor shall repaint those areas not meeting required reflectivity at no cost to the Department. If the final reflectivity values are less than the described minimums after the second attempt, the Contractor will submit in writing a plan of action to meet the reflectivity minimums prior to continuing any work. Once the plan has been reviewed and approved by the Department, the Contractor shall re apply at no cost to the Department. Temporary painted lines and markings shall be applied as speci fied for permanent painted lines, except that the thickness shall be a minimum of 16 mils. Temporary pliant polymer marking material shall be used for te mporary markings on the final pavement and on pavements not to be resurfaced when such pavement markings do not conform to the final pavement markings pattern. The plastic final pavement lines and markings shall be applied in accordance with the manufacturer's recommendations by the inlay method of application.
627.07 Establishment Period Inlaid plastic pavement lines and marking material
furnished and installed under this contract for final pavement markings shall still be subject to a six-month period of establishment. 6-95 The period of establishment shall commence as soon as the plas tic pavement lines and markings are complete and in place and shall continue for six months. At the end of the establishment period, a minimum of 95% of the plastic pavement lines and markings shall still be in place to be acceptable. If less than 95% of the plastic pavement lines and markings ar e in place after six months, the Contractor shall replace all unsatisfactory plastic pavement lines and markings on the project without additional payment. Plastic pavement lines and markings designated for replacement shall be installed according to these specifications, unless otherwise directed. Plastic pavement lines and markings replaced at the end of the six month establishment period will not be subject to a further establishment period.
627.08 Removing Lines and Markings When it is necessary to re move pavement
lines and markings, it shall be done by high pressure water, grinding or other approved acceptable means. The method chosen must be capable of completely eradicating the existing line or marking without excessive damage to the pavement. Burning and the use of solvents to remove temporary markings from final pavement or from existing pavement not to be resurfaced will not be permitted.
627.09 Method of Measurement The quantity of pavement marking lines identified
in the contract as a plan quantity pay item, the measurement of payment will be the number of feet shown in the Schedule of Items. This quantity will be considered final and no adjustments will be made except when changes resulting in increases or decreases are made by the Resident. The accepted quantity of temporary or permanent pavement marking lines when identified in the contract as a linear foot item shall be measured and paid for at the contract unit price per linear foot for the total amount applied and accepted. Double yellow centerline, broken or solid, will be considered one line for measurement purposes. The measurement of broken lines will include the gaps when painted and will not include the gaps when plastic. Double Yellow Centerline, broken or solid shall not be paid through intersections or side roads and will be paid for the actual length of painted line. Broken white lines will include the gaps when painted and will not include the gaps when plastic inlaid pavement lines are applied. Yellow or white solid edge lines and will not be paid through intersections or side roads and will be measured by the actual length of painted line. Temporary pavement marking lines shall not be paid through intersections or side roads and will be measured per linear foot of actual length of painted and accepted. Reflectorized curb will be measured or computed by the square foot of curb surface actually painted and reflectorized. 6-96 The accepted quantity of removing existing pavement markings w ill be measured by the square foot. Temporary Bi-directional Yellow Delineators will be measured b y each unit, complete in place, maintained, and accepted.
627.10 Basis of Payment The accepted quantity of pavement mark ing lines identified
in the contract as a plan quantity pay item will be paid for at the contract unit price for plan quantity. No adjustment will be made to the quantity for payment, except as described
627.09 Method of Measurement
The quantity of permanent or temporary pavement marking lines identified in the contract paid by the linear foot will be measured for payment as described under section
627.09 Method of Measurement.
All other permanent pavement markings will be paid for at the contract unit price per square foot in accordance with 627.09 Method of Measurement. If allowed by Special Provision, the Contractor may utilize Temporary Bi-Directional Yellow and White (as required) Delineators. When utilized, payment will be made as temporary pavement marking lines, measured and paid at the contract unit price per linear foot. Such payment will include as many applications as required and removal. Payment for final plastic pavement lines and markings will be made in two parts. The first payment of 75% will be made when plastic pavement lines and markings are placed. The payment of the remaining 25% will be made at the end of the establishment period for all plastic line and pavement markings accepted. The accepted quantity of any pavement marking lines will be pa id for at the contract unit price and will include as many applications as required and removal when required. The accepted quantity of Temporary Bi-directional Yellow Delineators will be paid for at the contract unit price. Payment will be made under: P a y I t e m P a y U n i t
627.18 12 inch Solid White Pavement Marking Line L i n e a r F o o t
627.711 White or Yellow Pavement Marking Line - Plan Quantity Linear Foot 627.733 4” White or Yellow Painted Pavement Marking Line L i n e a r F o o t 627.744 6” White or Yellow Painted Pavement Marking Line L i n e a r F o o t
627.75 White or Yellow Pavement & Curb Marking S q u a r e F o o t
627.77 Removing Existing Pavement Marking S q u a r e F o o t
627.78 Temporary 4“ Painted Pavement Marking Line, White or Ye llow Linear Foot
627.781 Temporary 6“ Painted Pavement Marking Line, White or Ye llow Linear Foot 6-97 627.407 Reflectorized Plastic, White or Yellow Pavement Marking Square Foot 627.4071 Reflectorized Plastic, White or Yellow Pavement L i n e a r F o o t Marking Line - Plan Quantity 627.811 Temporary Bi-directional Yellow Delineators E a c h
Referenced in this section
Pavement Markings in other states
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Source: Standard Specifications — Highways and Bridges, 2020 Edition. Pages 562–567 of 817. View official source ↗