705.05 Basis of Payment.
The general locations of the pavement markers wi ll be indicated by the plan details or directed by the Engineer. The Contractor shall provide all engineering services necessary to premark and lay out the markers in accordance with the plan details. The Contractor shall submit to the Engineer for approva l three copies of a report of survey which clearly indicates the locations for the various types of markers to be used along with spacing, pattern, etc. specified by the plan details. Said report shall be submitted at least two weeks prior to beginning pla cement operations. Upon acceptance and approval of the report data the Engineer may waive the two week time period noted above. Note is made of the fact that obtaining approval of the above noted report is considered incidental to the work and no time exte nsion or time delay will be considered due to failure to obtain approval of the report. After placement of any temporary markers, the Contractor shall maintain them, at his expense, in such a manner as to provide good, definite delineation during hours of both daylight and darkness until (1) they are overlaid by a subsequent pavement layer, or (2) they are removed as directed by the plans or the Engineer, or (3) in case of a detour road, until traffic is removed from the detour.
b.Public Convenience and Clean Up . The road may be fully open to public travel during the progress of work under this Section. Hence, when work is to be performed under traffic, the Contractor shall operate his equipment and store his materials and supplies in such a manner as to c ause a minimum of inconvenience to the traveling public. Upon completion of the work under this Section any damage to the pavement or other facilities caused by the operation or the Contractor's equipment, shall be repaired by the Contractor as directed without additional cost to the State.
705.04 Method of Measurement.
Pavement Markers installed as directed and accepted will be measured by counting separately the number of various class and types of markers provided by the plans or proposal.
705.05 Basis of Payment.
a.Unit Price Coverage . The number of Pavement Markers measured as noted above will be paid for at the respective contract unit price bid for each class and type specified by the plans or proposal. Said contract unit prices bid shall be full co mpensation for furnishing and installing the pavement markers, removing pavement markers (if required), and for all materials, equipment, labor and incidentals necessary to complete the work.
b.Payment will be made under Item No .: 705-A Pavement Markers, Class ____ , Type ____ - per each DELINEATORS AND OBJECT MARKERS
707.01 Description.
This Section shall cover the work of furnishing delineators and object markers and the installation of such at the locations designated on the plans or directed, in conformity with the plans and these specifications. Delineators will be classified by the "type" installation in accordance with plan details, which set forth details of various types of delineator installation. All delineators will be mounted on posts except as shown on the plans or detailed hereinafter. At those location s shown on the plans or directed by the Engineer, delineators meeting the requirements specified hereinafter or on the plans shall be mounted on guardrail. All old delineators shall be removed and disposed of in a manner acceptable to the Engineer. Also at those locations shown on the plans or directed by the Engineer, delineators meeting the requirements specified hereinafter or on the plans shall be mounted on barrier rail. Object Markers will be classified according to the type of installation, in accordance with plan details. Object markers may be composed of sign panel and/or reflectors with backing panel, mounted on posts or highway structures. Object Markers shall also include reflective safety markings applied on roadway objects and bridges in accord ance with the details shown on the plans or directed. These object mark ers shall include:
707.02 Materials.
• Marking an area with alternate diagonal stripes of reflective yellow and a stripe of a non-reflective material. The size of the area and the width and slope of the st ripes along with the reflective color will be shown in the detailed plans or directed by the Engineer. • Marking an area with reflective white or silver -white material. The size and shape of the area of coverage will be shown in the detailed plans or directed by the Engineer,
707.02 Materials.
a.Delineators. Materials furnished for use shall be new, complying with the appropriate sections of Division 800, Materials. Special reference is made to Section 881. If the hardware used to secure an old delin eator is in a condition acceptable to the Engineer, the Contractor, at his option, may use the old hardware in lieu of new hardware when mounting guardrail mounted delineators, Item 707 -C. The Barrier Rail Mounted Delineators and mounting hardware shall be new and shall be furnished and maintained in accordance with the details shown on the plans. The delineators shall have a minimum rectangular reflective area of 3 inches wide by 4 inches tall {75 mm inches wide by 100 mm tall}.
b.Applied Reflective Mat erials for Object Markers. The reflective material furnished for use shall be capable of readily adhering to various types of material especially concrete, steel, and wood, and capable of being applied by brush, spray, silk screen or other acceptable metho ds. The reflective material shall be capable of being applied in one application, that is, the addition of another material such as beads to produce the required reflectivity will not be acceptable. Reflective requirements when tested by the procedure outl ined in paragraph 4.4.7 of Federal Specifications LS -300A shall be as follows: COEFFICIENT OF RETROREFLECTIVITY candlepower/footcandle/square foot {candelas/lux/m²} Color White or Silver -White #1 White or Silver -White #1 Yellow Incident Angle Divergence Angle .2 .5 .2 .5 .2 .5 - 4 20 10 40 20 10 5 - 40 7 4 11 8 3 3 Test panels of the materials shall be submitted for evaluation of the reflective capabilities by the Testing Engineer. Test panels shall be square, 12 inches X 12 inches {300 mm by 300 mm}, and shall be made of aluminum prepared with a good quality of white exterior primer. The reflective material shall be applied at the manufacturer's recommended wet film application rate and such rate shall be noted on the back of the test panel. Drying time of the material shall be such that the surface treated shall be dust free within 10 minutes and dry to touch within 30 minutes after application. Durability of the material shall be such that no appreciable discoloration, crack ing, crazing or blistering occurs and at least 80% of the specified reflective requirements is retained after exposed for 1200 hours to Atlas twin arc weathering in accordance with ASTM D 822.
c.Applied Non -Reflective Material for Object Markers. The non -reflective material furnished for use shall be a flat black color meeting one of the following requirements:
1.Comply with the requirements noted in Subarticle (a) above except that there will be no reflective requirements and the material shall have a g loss reading of less than 20 units at an angle of 45° when measured with a photovoltmeter or a meter capable of giving equal results.
2.Comply with the following requirements:
a.Capability of readily adhering to a concrete surface.
b.Provide a uniform h igh degree of hiding power with one application.
707.03 Construction Requirements.
c.Tests: Total Solids 50 Min. FSS-4041 Weight {Mass} per gallon {liter} 9 pounds {1 kg} Min. FSS-4184 Viscosity 60 KU Min. - 80 KU Max. FSS-4281 Dry Time 8 hrs. Max. FSS-4061 with 0.0025 inches {0.06 mm} wet film Fineness of Grind 4 Min. Hegman Scale Gloss Reading 20 units @ 45° Max. Photovoltmeter or equivalent
d.Flexible Delineator Post with Base and Raised Curb Channelizer. Flexible delineator posts with bases and raised curb channelizers shall be furnished in compliance with the requirements of Division 800, Materials and the requirements shown on the plans. A list of acceptable products is given in List IV -4, Miscellaneous Traffic Control Devices in the MSDSAR.
707.03 Constr uction Requirements.
a.Delineator Installations .
1.Erecting Posts . The posts for the delineators shall be set at the locations shown on the plans and as directed by the Engineer. Posts shall be erected to a true vertical position. Any post damaged or ot herwise unsuitable for the work shall be removed and replaced by the Contractor at his expense. Posts shall be inserted into the ground to a depth of not less than 24 inches {600 mm}. Posts may be driven where this can be done without damage to the posts o r galvanization. Otherwise, at the Contractor's election, posts shall be set in a 6 inch {150 mm} diameter drilled hole and backfilled with sand and thoroughly flooded with water to insure compaction. This backfill shall extend up to the existing ground el evation, or the Contractor may use poured concrete in lieu of sand. If solid rock is encountered, holes shall be drilled and backfilled with concrete to the top of the rock or as directed. Concrete for setting posts shall be Class A concrete complying with applicable portions of Section 501, with the following modifications: • The concrete may be dry batched at a central mixing plant and delivered to the project. Before the concrete is placed water shall be added. This may be done in small amounts as needed a nd mixed on a mixing board or in a mortar box. After water is added, the mix shall be used within sixty (60) minutes. Posts shall be held in proper position until the concrete hardens. The concrete shall have cured for 72 hours before any strain is placed on the post. • Test cylinders for the concrete will not be required. Where posts are required to be set in concrete medians, holes approximately 6 inches {150 mm} in diameter may be drilled or square holes approximately 6 inches by 6 inches {150 mm by 150 mm } may be cut or formed during placing of the concrete median. The posts shall be set by driving or other approved means, to a depth of not less than 24 inches {600 mm} below top of the median and to such greater depth as may be required to erect the delineator at the required elevation, above the pavement. After the post has been set, the hole up to the bottom of the pavement shall be backfilled and compacted; the hole for the depth of the median pavement shall then be filled with one of the appropriate bit uminous plant mixes provided in the Specifications.
2.Attaching Delineators . After erection of the delineator posts as noted, the delineators shall be affixed to the post in the manner shown on the plans.
3.Guardrail Mounted Delineator. The delineators shall be acceptably affixed to the guardrail in the manner shown on the plans. Old or reconditioned hardware may be used only with the approval of the Engineer. All delineators shall be new.
4.Barrier Rail Mounted Delineator . The delineators s hall be acceptably affixed to the barrier rail in the manner shown on the plans. The delineators shall be installed at a maximum spacing of 40 feet {12.2 meters} between each delineator or at a closer spacing if shown on the plans or directed by the Engine er.
707.04 Method of Measurement.
5.Flexible Delineator Post with Base. A flexible delineator post with base shall be installed according to the manufacturer’s recommendations.
6.Raised Curb Channelizer. A raised curb channelizer shall be installed according to the manufacturer’s recommendations.
b.Object Marker Installation.
1.Erecting Posts. Posts, when required, shall be installed in the same manner prescribed in Subarticle (a) for delineator posts modified to cover embedment depth of posts shown by plan detail s.
2.Attachment of Markers and Panels. After erection of posts, when required, markers and panels shall be affixed to posts or structures as required in accordance with the details shown on the plans.
c.Object Marker Installation with Applied Materials .
1.Preparation of Surface. The surface directed to be treated shall be clean, dry and free of any loose laitance or foreign material. Cleaning may be accomplished by the use of soap and water, cleaning solvent, wire brushes or other acceptable means which will produce the desired results.
2.Application of Reflective and Non Reflective Material. The material may be placed by brush, spray, silk screening or other means consistent with the recommendations of the manufacturer which will produce the desired results.
d.Public Convenience and Final Cleanup . The road may be fully open to the public travel during the progress of work under this section. Hence, when work is to be performed under traffic, the Contractor shall operate his equipment as well as store materials and supplies in such a manner as to cause a minimum of inconvenience to the traveling public. Special attention is directed to Article 107.07. Upon completion of the work under this Section, the Contractor shall remove all surplus and waste mate rial caused by this work and shall restore the area to at least the same condition as was existing prior to commencing of the work. Any damage to slopes, pavement, etc. caused by the operation of the Contractor's equipment shall be repaired as directed wit hout additional cost to the Department. Prior to completion of the project, the Contractor shall clean the installed delineators, when directed by the Engineer, without additional cost to the Department.
707.04 Method of Measurement.
Delineator Installations installed as directed and accepted will be measured by counting separately the number of a particular type or types of delineator installations provided by the plans or proposal. Guardrail mounted delineator, installed as directed and accepted, will be measured per each for the number installed. Barrier rail mounted delineator, installed as directed and accepted, will be measured per each for the number installed. There will be no measurement of delineators that the Contractor must install to replace damaged or missing delineators. Object Marker Installations installed as directed and accepted will be measured by counting separately the number of a particular type or types of object marker installations provided by the plans or the proposal. Flexible delineator post with base will be measured per each for the number installed. There will be no measurement of posts or bases that the Contractor must install to replace any that are damaged or missing Raised curb channelizer will be measured per li near foot for the quantity installed. There will be no measurement of posts or curb that the Contractor must install to replace any that are damaged or missing. For Object Marker Installations with Applied Materials, t he actual area ordered and accepted w ill be computed in square feet {square meters} to the nearest square foot {0.1 m²} from measurements taken on the surface of the prepared area.
709.01 Description.
707.05 Basis of Payment.
a.Unit Price Coverage . The number of the particular type of Delineator Installations ordered and accepted, measured as noted above, will be paid for at the respective unit prices bid for each type installation, Said unit price bid shall be full compensation for furnishing and installation of the delineators complete in place, including pos ts, hardware, brackets, braces and all materials, equipment, tools, labor and incidentals necessary to complete the work. The number of guardrail mounted delineator installations, ordered and accepted, measured as noted above, will be paid for at the respective unit price bid for each delineator and shall be full compensation for furnishing, installing, and cleaning the delineators complete in place, including all hardware, delineators, materials, equipment, tools, labor, including the removal of old delineators, reconditioning of hardware and all incidentals necessary to complete the work. The number of barrier rail mounted delineator installations, ordered and accepted, measured as noted above, will be paid for at the respective unit price bid for each del ineator and shall be full compensation for furnishing, installing, and cleaning the delineators complete in place, including all hardware, delineators, materials, equipment, tools, labor, and all incidentals necessary to complete the work. The number of the particular type of Object Marker Installations ordered and accepted, measured as noted above, will be paid for at the respective unit prices bid for each type installation. Said unit price bid shall be full compensation for furnishing and installing the Object Marker Installation complete in place, including post or anchors as required by plan details, hardware, brackets, braces and all materials, equipment, tools, labor and incidentals necessary to complete the work. The number of flexible delineator pos ts with bases ordered and accepted, measured as noted above, will be paid for at the unit price for installation. This price shall include the post, base, anchors, hardware, and all materials, equipment, tools, labor, and incidentals necessary to complete the work. Raised curb channelizers, measured as noted above, will be paid for at the unit price for installation. This price shall include the posts, curb, anchors, hardware, and all materials, equipment, tools, labor, and incidentals necessary to comple te the work. The area of Object Marker Installations with Applied Materials measured as noted above will be paid for at the respective contract unit price bid for the various types of markings complete in place. Said unit price bid shall be full compensati on for furnishing all materials, cleaning and preparation of the surface, application of the materials and for all labor, tools, equipment and incidentals necessary to complete the work.
b.Payment will be made under Item No .: 707-A Type ____ , Color Delineator Installation - per Each 707-B Type ____ Object Marker Installation - per Each 707-C Guardrail Mounted Delineator - per Each 707-F Flexible Delineator Post with Base, Color – per each. 707-G Barrier Rail Mounted Delineator ( * ) - per Each 707-H Raised Curb Channelizer, Color – per linear foot. 707-I Object Marker Installation with Applied Materials (Striped or Reflective White) – per square yard * Specify "Mono -directional", "Bi -direction al", etc. SECTION 709 MILE {KILOMETER} POSTS
709.01 Description.
The work under this Section shall cover furnishing and erection of mile {kilometer} post assemblies in accordance with the details shown on the plans and the following specifications. The mile {kilometer} post, consisting of a mile {kilometer} marker mounted on a suitable post, shall be classified under one of the following types: Type A: Consists of a single post with one mile {kilometer} marker mounted on the post with the marker facing the oncoming traffic. Type B: Consists of a single post with two mile {kilometer} markers mounted back to back on the post so as to be seen by traffic in each direction.
Source: Alabama Standard Specifications for Highway Construction, 2022 Edition. Pages 600–603 of 934.