00867.00 888 Section 00867 - Transverse Pavement Markings - Legends and Bars
Description
00867.00Scope - In addition to the requirements of Section 00850, install pavement markings for
legends and bars according to the following Specifications.
Labor
00867.30Manufacturer's Representative - Provide a manufacturer's representative according
to 00850.30.
00867.31Manufacturer -Certified Installers - Provide certified installer's according to 00850.31
Construction
00867.45Installation - Place permanent markings only when the manufacturer's representative
determines that the Pavement is ready for the pavement marking material .
Transverse joints will be allowed with no overlap or gap allowed at the joint.
Minimum initial retroreflectivity shall conform to the following:
White - 250 mcd/m2/lx Yellow - 200 mcd/m2/lx
Apply one or more of the following marking material types:
• Type A: Liquid, Hot -Laid Thermoplastic Material - For pavement bars, apply the thermoplastic material to the Pavement by a spray or extrusion method, to the full width shown, in a single application. For pavement legends, apply the thermoplastic material to the Pa vement by a spray method, to the full width shown, in a single application. Pavement markings shall be 90 mils to 120 mils in thickness, exclusive of projecting surface-applied reflective elements, with a continuous and uniform cross sectional configurati on, and with the upper surface slightly arched.
Separately apply reflective elements to the material as it is placed at a sufficient rate to obtain an initial reflectivity reading of 250 mcd/m2/lx. Locate the dispenser behind the pavement marking extrusion die and uniformly distribute the reflective elements over the entire width of the thermoplastic material .
• Type B: Preformed, Fused Thermoplastic Film - Install preformed, fused thermoplastic film as shown.
• Type B-HS: Preformed, Fused Thermoplastic Film High Skid - Install preformed, fused thermoplastic film high skid, that has intermixed reflective elements with factory installed crushed glass or Aggregate on the surface for all staggered continental crosswalks, bicycle lane stencils, bicycle railroad crossings, lane reduction arrows, and other transverse pavement markings as shown. Install the preformed, fused thermoplastic film high skid to achieve a minimum initial skid resistance greater than or equal to 50 British Pendulum Number (BPN) when tested according to ASTM E303. • Type AB: Install Type A, Type B or Type B -HS as the Contractor elects .
00867.75 889 • Type C: Cold -Applied Plastic Film (Tape) - On asphalt, appl y the tape on the fresh asphalt concrete surface prior to final rolling of the mat. Roll the tape into the fresh surface during the finish rolling of the mat. On concrete, install tape with primer as recommended by the manufacturer.
Apply Type C - HS, c old applied plastic film that has intermixed reflective elements with factory installed crushed glass or Aggregate on the surface. On asphalt, apply the tape on the fresh asphalt concrete surface prior to final rolling of the mat. Roll the tape into the fresh surface during the finish rolling of the mat. On concrete, install tape with primer as recommended by the manufacturer.
• Type D: Methyl Methacrylate - Apply the methyl methacrylate material to the Pavement by a gravity and extrusion method, to the f ull width shown, in a single application. Pavement markings shall be 90 mils to 120 mils in thickness, exclusive of projecting surface -applied reflective elements, with a continuous and uniform cross -sectional configuration, and with the upper surface sli ghtly arched. Provide intermixed reflective elements.
Separately apply reflective elements to the material as it is placed at a sufficient rate to obtain an initial reflectivity reading of 250 mcd/m 2/lx. Locate the dispenser behind the pavement marking extrusion die and uniformly distribute the reflective elements over the entire width of the methyl methacrylate material.
00867.75Manufacturer Warranty - Furnish a manufacturer warranty that unconditionally warrants
to the Agency the product(s) and installation under this Section against failure, according to this Subsection and 00170.85(c)(1). Use Agency -supplied warranty forms, available from the Engineer. "Unconditionally warrant" means that the warranty c overs all failures, regardless of the source or cause of the failure, including, without limitation, whether the source or cause is or may be related to workmanship, inspection, or choice of materials. The Agency inspection of any portion of the Work during the Contract and during the product installation, the Agency acceptance of the Work , corrections under the warranty, or expiration of the warranty shall not relieve the obligations under this warranty.
Loss of Retroreflectivity - Markings fail to maintain a retroreflectivity of 100 mcd/m2/lx.
Insufficient Color Stability - White markings fail to meet the requirements of ASTM D6628 .
Loss of Adhesion - Markings show 5 percent or greater loss of marking due to non-adhesion.
Skid Resistance - Type B -HS materials fail to maintain an average skid resistance greater than or equal to 45 British Pe ndulum Number (BPN) when tested in an equal number of test locations in both wheel path and non-wheel path locations according to ASTM E303.
additional cost t o the Agency:
Repair or replace, at the discretion of the Engineer all failed pavement markings within 6 months of the Agency's request to do so. Use Materials and procedures meeting the Specifications. 00867.80 890 Match repairs to adjoining Work . Coordinate timing of repair Work with the Engineer.
cause a hazard, the failure may be temporarily corrected by Agency or other forces at no additional cost to the Agency. Replace temporary repairs with permanent repairs at no additional cost to the Agency and according to the Specifications and within the time specified in 00867.75(c).
Measurement
00867.80Measurement - The quantities of pavement legends will be measured on the unit basis, by
actual count. The quantities of pavement bars will be measured on the area basis, for each stop bar and crosswalk bar.
Payment
00867.90Payment - The accepted quantities of Work performed under this Section will be paid for
at the Contract unit price, per unit of measurement, for the following items:
Pay Item Unit of Measurement
In items (a) through ( s), the type of pavement marking materials will be inserted in the first blank. Item (a) includes single or multiple headed arrows as required.
Items (h) and (i) include the R x R symbol, two 24 inch wide white pavement bars placed directly above and directly below the R x R symbol, and one 24 inch wide white stop bar placed prior to the tracks. Item (j) includes a R x R Symbol and one 12 inch wide white pavement bar placed above the R x R symbol.
Item (m) includes the bike lane stencil and arrow. 00867.90 891 Item (n) includes the wheelchair stencil only. The 4 inch wide white lines used to mark the disabled parking space and access aisle will be paid for according to 00860.90. Item (o) includes the cross style marking or the end marking.
Item (p) includes one 24 by 36 inch triangle used to form the yield line. In item (q), the name of the lege nd will be inserted in the second blank. Item (r) includes all transverse pavement markings that are defined as a "BAR", including, but not limited to, stop bars, crosswalk bars, chevron bars, transverse median bars, and transverse shoulder bars.
Item (s ) includes one 12 by 18 inch triangle used to form the bicycle yield line.
Payment will be payment in full for furnishing and placing all Materials, and for furnishing all Equipment , labor, and Incidentals necessary to complete the Work as specified.
Payment for Work under this Section will be limited to 75 percent of the amount due until the Agency has received the signed warranty.