- 289 - SECTION 424 -- TEMPORARY PAVEMENT MARKING
424.01 Description
1.The Contractor shall furnish, in stall at the locations shown in the contract, maintain, and when work is complete, remove the temporary pavement marking as described in this Section.
2.General Requirements:
a.The Contractor shall, at the preconstruction conference, provide the Engineer with the names and telephone numbers of personnel who will be available on a 24-hour-per-day, 7-days-per-week basis. These people shall be responsible for repair, correction, replacement, and maintenance of the temporary pavement marking.
b.The Contractor shall take all necessary precautions for the protection of the work and the safety of the public. The Contractor shall be alert at all times to any and all deficiencies in the placement and maintenance of any temporary pavement marking and shall take immediate action to correct any deficiencies.
c.The Department may elect at any time to correct the temporary pavement marking deficiency and d educt from monies owed to the Contractor for all costs necessary to correct the problem.
d.The Contractor shall immedi ately notify the Engineer of any hazard or changed roadway condition that is not identified in the contract.
3.a. “Temporary Pavement Marking, (Type _____)”:
1.The pay item “Temporary Pavement Marking, Type _____” has 4 options. Temporary Pavement Marking, Type I (Tape) Temporary Pavement Marking, Type II (Tape) Temporary Pavement Marking, Type Paint Temporary Pavement Marking, Type RPM
2.The pay item “Temporary Pavement Marking” has 4 optional materials unless otherwise restricted by the contract. The options are: Type I (Tape) Type II (Tape) Type Paint Type RPM
3.The application and type of pavement marking to be used will be as specified in the contract.
4.All temporary pavement marking shall conform to the requirements in this Se ction for materials, equipment used, application, measurement and payment.
b.“Overlay Broken Lines” and “Overlay Solid Lines”:
1.The pay items “Overlay Broken Lines” and “Overlay Solid Lines” are used to provide and apply lines on asphalt pavement where the marking is renewed at the end of each day as in overlay work.
424.01 Temporary Pavement Marking
- 290 - (2) Both pay items have four optional materials: ( i ) P a i n t (ii) Tape – Type I (iii) Tape – Type II (iv) Raised pavement markers (3) The contract will indicate the appropriate marking material to be used. If the contract does not i ndicate the type of material, then the Contractor may select an y of the four options.
c.Temporary Pavement Marking, Type Paint: (1) This work consists of the placement of white or yellow paint stripes with embedded glass be ads for retroreflectivity. The paint stripes shall be the color, size, and ty pe specified in the contract. The paint stripes shall be placed in the locations specified in the contract or as directed by the Engineer.
d.Temporary Pavement Marking, Type I and II (tape):
1.This work shall consist of the application of preformed temporary pavement marking tape.
e.“______Temporary Pavement Marking Type_____” is the pay item for temporary arrows, words, and symbols on all asphalt and PCC pavement. These markings shall be either painted with beads or tape as indicated in the pay item.
424.02 Equipment
1.Paint Equipment
a.The equipment used to paint the line shall be designed to apply painted traffic lane markings of t he type, width, and thickness required.
b.The machine shall be equipped with an adjustable guide to assure the line's proper placement. Hand application or towing of the equipment will not be allowed.
c.The paint machine shall be capable of applying an even, clean- cut line without excessive drifting of paint. The cutoff mechanism on the paint machine shall be capable of making a clean-cut end section without dripping or stringing fine lines of paint.
d.The bead dispenser shall be equipped with an automatic cutoff control synchronized with the cutoff on the striping material.
2.Tape Equipment: Preformed pavement line markings consisting of Type I and II tape shall be installed with a mechanical applicator, which shall be capable of placing pavement lines in a neat, accurate and uniform manner. The mechanical applicator shall be equipped with a film cut off device.
3.Water Blasting Equipment a. Water blasting equipment shall be capable of removing deleterious material, cure compound or existing striping without damaging the concrete surface. Temporary Pavement Marking 424.04 - 291 - b. The water blasting equipment shall have a recovery system capable of collecting the used water.
424.03 Material Requirements
1.Temporary Pavement Marking, Type Paint and “Overlay Broken/Solid Lines (Paint)” shall me et the following requirements:
a.Paint. The paint shall be commercially available traffic paint capable of receiving and holding glass beads for producing reflectorized traffic markings. The paint shall be furnished ready mixed and shall not be diluted or thinned. The paint shall be compatible with drop-on floating conventional beads. The color for white paint after drying shall be a flat white, free from tint, furnishing good opacity and visibility. For yellow, the color shall closely match Color Chip 33538 of Federal Standard 595.
b.Beads. The glass beads shall be free from clumps and suitable for application to the type of paint se lected by the Contractor. The glass beads shall show good adherence to the paint binders and provide good night visibility throughout the manufac turer’s predicted useful life of the reflectorized binders. The beads shall allow sufficient capillary action to form a firm embedment in typical traffic paint when dropped on a freshly applied paint film. The glass beads shall be AASHTO Type I.
2.Temporary Pavement Marking, Ty pe I and II (tape) shall be on the Approved Products List.
424.04 Construction Methods
1.The Contractor shall install, ma intain, and remove all reflectorized temporary pavement markings in accord ance with the details of and at the locations shown in the contract.
2.Temporary Pavement Marking /Overlay Solid Lines/Overlay Broken Lines (General):
a.The Contractor shall instal l reflectorized temporary pavement markings of the color, width, line conf iguration, and dimensions shown in the contract. Work includes arrows, words and symbols marked on the pavement.
b.The Engineer may approv e the use of raised pavement markers for yellow solid lane lines with a maximum spacing of 10 feet (3.0 m). Raised pavement markers may also be used as edge lines, but only when shown in the contract.
c.Raised pavement markers and paint or tape shall not be interspersed or used with each other to simulate the same line. However, they may be used together to supplement a line when required by the contract or the Engineer.
d.The contract will indicate where each type of temporary pavement marking will be applied.
e.Prior to placing the temporary pavement markings on the prepared surface, the Contractor s hall layout, spot or string line the proposed temporary marking location. The temporary markings shall be aligned in such a way as to provide a smooth and gradual transition to and from the existing markings, and throug hout both straight and horizontally curved sections of the project.
424.04 Temporary Pavement Marking
- 292 - f. When painting over existing lines, the pattern shall match the existing pattern.
g.Raised pavement markers shall not be used for right edge lines unless shown in the contract.
h.Line Dimensions:
1.When temporary pavement markings (including “Overlay Broken Line”) are used to delineate lanes with broken lines in rural areas, the following minimum dimensions shall be used: Table 424.01 Rural Area Marking Minimum Dimension Paint Minimum 4 inches (100 mm) wide by 10 feet (3 m) long with 30 foot (9 m) max. gaps. Tape Minimum 4 inches (100 mm) wide by 4 feet (1.2 m) long placed every 40 feet (12 m). Raised Pavement Markers 2 markers, placed 5 feet (1.5 m) apart with 35 foot (10.7 m) gaps.
2.When temporary pavement markings (including “Overlay Broken Line”) are used for lane delineati on with broken lines in urban areas, the following minimum dimensions shall be used: Table 424.02 Urban Area Marking Minimum Dimension Paint Minimum 4 inches (100 mm) wide by 6 feet (2 m) long with 18 foot (5.5 m) max. gaps. Tape Minimum 4 inches (100 mm) wide by 2 feet long (600 mm) placed every 24 feet (7 m) Raised Pavement Markers 2 markers, placed 3 feet (1 m) apart with 21 foot (6.4 m) gaps.
3.Surface Preparation
a.New Concrete: Prior to the initial placement of the Temporary Pavement Markings, the pavement upon which the markings are to be placed shall be dry, cleaned and properly prepared by water, sand or shot blasting, as a minimum, and to the extent recommended by the manufacturer so that all contaminants , loose debris, and other deleterious material are completely removed. Temporary Pavement Marking 424.04 - 293 - b. Existing Concrete and Asphalt: Surface preparation for any subsequent application shall consist of air blasting and brushing the roadway surface to remove all loose dirt, mud or other debris and to dry the surface. Each additional application of paint shall be applied over the previously painted stripes.
c.The pavement shall be clean and dry prior to the application of the temporary pavement marking.
d.The concrete surfacing shall be at least seven days old before surface preparation unless otherwise directed by the Engineer.
4.Temporary Pavement Marking, Type I and II (tape) and Overlay Solid Line (tape) shall be placed to form a continuous line when used as a solid line, breaking only at intersections.
5.Temporary Pavement Marking, Type Paint and Overlay Solid/Broken Lines (Paint):
a.The material shall be applied to the pavement at a minimum wet film thickness of 0.015 in. (0.38 mm).
b.The beads shall be distribut ed evenly over the wet paint at a reasonably accurate rate of 5 pounds per gallon (0.60 kg/l) of paint, unless the Engineer specifies a different rate. Beads applied to the surface of the completed stripe shall be applied by an automatic bead dispenser attached to the striping machine in such a ma nner that the beads are dispensed immediately upon the completed line.
c.The paint shall be applied in such a manner as to follow the existing lines on the roadway or as directed by the Engineer. When deemed necessary by the Engineer to achieve the correct alignment, the Contractor shall, at no additional cost to the Department, place additional markings to guide the placement of the lines. The guide markings shall be temporary in nature and the material and equipment used to place these guidelines shall be approved by the Engineer.
d.The completed line shall be a uniform cross section. The traffic paint stripe shall not be applied when ther e is moisture on the pavement that would cause a poor bond between the paint and the pavement.
e.Environmental Conditions (1) The Contractor shall a pply Temporary Pavement Marking when atmospheric temperature is 40 F (4 C) and rising, unless directed by the Engineer.
2.When painting is required with air temperatures below 50° F (10° C), the paint shall be heated according to the manufacturer's recommendation prior to application on the dry, clean and properly prepared pavement.
3.Initial paint application at the direction of the Engineer made when the air temperature is below 40° F (4° C) will be paid for by the Department. The warranty will not be applied when the paint is applied below 40° F (4° C) at the direction of the Engineer.
f.The Contractor shall follow all manufacturer recommendations for application of traffic paint so as to obtain the best results.
424.04 Temporary Pavement Marking
- 294 - g The paint shall be applied at a minimum of 4 inches (100 mm + 12 mm) in width with a dry thickness of at least 10 mils (0.25 mm) (approximately 10.7 gallons of paint per mile (25.2 l/km) of solid line).
h.Warranty (1) Any temporary painted line or segment of line, placed before December 1, which fails to adhere to the roadway surface for a minimum of 60 days under normal vehicular traffic or which appears wavy, nonuniform, thin, poorly applied, misali gned, beadless or nonreflective, shall be replaced as directed by the Engineer. For temporary painted pavement markings placed between December 1 and March 15, the minimum time requirement shall be 15 days with the sa me conditions applicable. No direct payment will be made for replacement within the 60 day or 15 day warranty periods.
2.After the minimum 60 day or 15 day warranty periods, the Contractor may be required to repaint the temporary traffic markings, as directed by the Engineer. Direct payment will be made for each additional application. However, should the addit ional application fail within the 60 day or 15 day warranty periods, the provis ions as stated in the previous paragraph shall apply.
3.The Contractor must begin each additional repainting application within 72 hours after notif ication by the Engineer. Should the Contractor fail to begin repainting within this 72 hour period, the Engineer may use State forces or hire a privat e contractor to r epaint the temporary traffic markings. The Contractor will be assessed any costs above the contract unit price “Temporary Pavement Marking, Type Paint” incurred by the State as a result of performing the corrective action by others, and the project will be shut down unt il the painting is completed.
6.When markings are no longer need ed, the Contractor shall remove them. If removing markings from the final wearing surface, the removal process shall not mar or damage the surface. Removed marking shall no longer be visible on the final wearing surface.
7.Overlay Broken/Solid Lines: a. At the end of each day, t he temporary lines shall be placed so that, when combined with existing or previously placed lines, the entire project is marked.
b.When raised pavement marker s, paint or tape is applied and the adjacent layer of asphaltic concre te has not been placed, the markings shall be placed on the higher layer approximately 6 inches (150 mm) from the longitudinal joint. The Contractor s hall be required to remove the raised pavement markers and the overlay markers on all lifts.
c.The location of the temporary edge line shall coincide with the permanent line in its final position. Temporary Pavement Marking 424.05 - 295 - 424.05 -- Method of Measurement
1.Temporary Pavement Markings: a. “Temporary Pavement Markings _____” and “Temporary Pavement Marking” shall be measured by the linear feet (m eter) of each line applied. All gaps are not measured.
b.Surface Preparation requiring water, sand or shot blasting shall be measured per linear foot (meter) for the item “Temporary Pavement Marking, Surface Preparation”. Surface pr eparation, consisting of air blasting and brushing, shall be subsidiary to other items which payment is made.
c.Overlay Lines: (1) “Overlay Solid Lines” and “Overlay Broken Lines” are measured by the station.
2.Measurements may be made from the estimated length of each segment.
3.Measurements shall be along the centerline or edgeline, as appropriate.
4.Breaks or gaps that are not part of a standard pattern (such as identified in Tables 424.01 and 424.02.) and which are more than 100 feet (30 m) in length are not measured for payment.
5.Breaks or gaps that are part of a standard pattern in “Overlay Broken Lines” are measured.
6.Any broken or solid lines that fail to meet dimensions or spacing in Tables 424.01 and 424.02 shall not be accepted and no payment will be made for all pavement marking applied that day, until correct installation resumes.
c.Arrows, words, and symbols shall be measured by the each. Arrows shall be counted by each head.
d.Excluded from payment are any applications for maintenance within the warranty period.
e.When traffic must be routed over a new application of asphalt and the traffic is directed over pavement markings, then th e Department will pay to replace the markings that have been removed by traffic.
2.Raised Pavement Markers:
a.Raised pavement markers are measured by the linear foot (meter).
b.When the spacing between the raised pavement markers is 10 feet (3 m) or less, the length to be paid for shall be the distance between the first and last markers measured al ong the path represented by the markers.
c.When the spacing between raised pavement markers is greater than 10 feet (3 m), the distanc e shall be considered a gap and shall not be measured for payment.
d.All other marking materials shall be measured by the actual length of line installed, excluding gaps.
424.05 Temporary Pavement Marking
- 296 - 3. Pavement Marking Removal:
a.“Pavement Marking Removal” shall be measured by the linear foot (meter) of actual length for eac h permanent (not “temporary”) line removed, excluding gaps.
b.Removal of Arrows, Symbols or Legends will be measured by the square foot (meter).
4.Temporary Pavement Marking Removal: a. “Temporary Pavement Marking Removal” shall be measured by the linear foot (meter) of actual length for each temporary line removed, excluding gaps.
b.Removal of temporary Arrows, Symbols or Legends will be measured by the square foot (meter).
424.06 Basis of Payment
1.Pay Item Pay Unit Temporary Pavement Marking, Type ___ Linear Foot (LF) [Meter (m)] Temporary Pavement Marking, Surface Linear Foot (LF) Preparation [Meter (m)] Raised Pavement Marker Linear Foot (LF) [Meter (m)] Overlay Broken Lines Station (Sta) [ S t a t i o n ( S t a M ) ] Overlay Solid Lines Station (Sta) [ S t a t i o n ( S t a M ) ] Temporary Pavement Marking Linear Feet (LF) [Meter (m)] ____ Temporary Pavement Marking Each (ea) Type ____ Pavement Marking Removal Linear Foot (LF) [Meter (m)] Pavement Marking Removal Square Foot (SF) [Square Meter (m 2)] Temporary Pavement Marking Removal Linear Foot (LF) [Meter (m)] Temporary Pavement Marking Removal Square Foot (SF) [Square Meter (m2)]
2.“______Temporary Pavement Marking Type_____” is the pay item for arrows, symbols or legends.
3.Removal of temporary pavem ent markings including overlay broken/solid lines will be paid for except:
a.When the temporary markings are intended to be covered up by permanent markings. Temporary Pavement Marking 424.06 - 297 - b. When surface preparation removes the temporary markings.
4.Marking material specified in the contract should not be changed without a change order.
5.Payment is full compensation for a ll work described in this Section. - 298 - - 299 - DIVISION 500 -- BITUMINOUS PAVEMENT 501 -- GENERAL REQU IREMENTS ......................................................... 303
501.01 General ................................................................................. 303
501.02 Equipment .............................................................................. 304
502 – ASPHALTIC CONCRETE PAVEMENT SMOOTHNESS ................ 306
502.01 General ................................................................................. 306
502.02 Equipment .............................................................................. 306
502.03 Certification and Independent Assurance Testing ............. 306
502.04 Profile Test Procedures ..................................................... 308
502.05 Evaluation ............................................................................ 310
502.06 Pavement Surface Correction ............................................ 311
502.07 Traffic Count ....................................................................... 312
502.08 Method of Measurement ...................................................... 312
502.09 Basis of Payment .................................................................. 312
503 -- ASPHALTIC CONCRETE .............................................................. 314
503.01 Description ........................................................................... 314
503.02 Material Requirements ........................................................ 314
503.03 Equipment .............................................................................. 314
503.04 Construction Methods ......................................................... 318
503.05 Method of Measurement ...................................................... 324
503.06 Basis of Payment .................................................................. 325
504 -- TACK CO AT ................................................................................... 327
504.01 Description ........................................................................... 327
504.02 Material Requirements ........................................................ 327
504.03 Construction Methods ......................................................... 327
504.04 Method of Measurement ...................................................... 328
504.05 Basis of Payment .................................................................. 328
505 -- ASPHALTIC CO NCRETE CURB ................................................... 330
505.01 Description ........................................................................... 330
505.02 Material Requirements ........................................................ 330
505.03 Construction Methods ......................................................... 330
505.04 Method of Measurement ...................................................... 330
505.05 Basis of Payment .................................................................. 330
506 -- ASPHALTIC CONCRETE ISLAND NOSES AND MEDIANS ........ 331
506.01 Description ........................................................................... 331
506.02 Material Requirements ........................................................ 331
506.03 Construction Methods ......................................................... 331
506.04 Method of Measurement ...................................................... 331
506.05 Basis of Payment .................................................................. 331
507 -- ASPHALTIC CONCRETE FOR STATE MAINTENANCE PATCHING .................................................................................................................. 332
507.01 Description ........................................................................... 332
507.02 Method of Measurement ...................................................... 332
507.03 Basis of Payment .................................................................. 332
508 -- JOINT SEALING - ASPH ALT TO CONCRE TE ............................. 333
508.01 Description ........................................................................... 333
508.02 Material Requirements ........................................................ 333
508.03 Construction Methods ......................................................... 336
508.04 Method of Measurement ...................................................... 337
508.05 Basis of Payment .................................................................. 337
509 -- BITUMINOUS SAND BASE CO URSE ........................................... 339
509.01 Description ........................................................................... 339
Source: Nebraska Standard Specifications for Highway Construction, 2017 Edition. Pages 323–332 of 1,048.