603.01Description. This item shall be accomplished according
to the plans, this specification, Subsections 104.0 5 and 107.07, and the MUTCD. It is also applicable to the furnishing , installing, maintaining, and removal of Temporary Culverts and Temporary Bridge Structures and to those traffic control devi ces and operations required to delineate temporary hazards that are a result of the Contractor's operations and which are not otherwise specified on the plans. The Contractor shall maintain the existing roads, i ncluding shoulders, bridges, and culverts, within the limits of the project from the date work is begun until the project has been c ompleted and accepted. This maintenance of existing roads, incl uding shoulders, bridges, and culverts, is the ordinary day to day m aintenance, including minor repairs. Major repairs or reconstr uction of existing roads, including shoulders, bridges, and culverts, will be the
393 responsibility of the State, County, or City, unless such are made necessary by the Contractor's operations. The Contractor shall provide, under the item of Mai ntenance of Traffic, those traffic control devices and operatio ns required to delineate temporary hazards that are a result of Co ntractor operations. When the pay item of Maintenance of Tr affic is not included in the Contract, the Contractor shall perf orm operations according to Subsection 104.05 and this Section. F ull compensation for this work will be considered included in the co ntract unit prices bid for the various items of the Contract. The Contractor shall provide a competent traffic co ntrol supervisor for the project. When the pay item Traf fic Control Supervisor is not included in the Contract, the wor k required will not be paid for separately, but full compensation there for will be considered included in the contract lump sum price bid for Maintenance of Traffic, or, if Maintenance of Traff ic is not included in the Contract as a pay item, included in the cont ract unit prices bid for the various items of the Contract. Speed limits through construction zones will be det ermined by the Department.
603.02Construction Requirements. (a) Maintenance of
Traffic. Maintenance of Traffic shall be accomplished by the Contractor in an expeditious manner to preserve the integrity of the traveled way and shoulders and to protect traffic f rom temporary hazards created by Contractor operations. The delineation of temporary hazards shall include the placement of any traffic control devices that are necessary f or the protection from, and/or delineation of, such objects as open t renches or holes, stationary objects, drop-offs, parked equipment, st ockpiled materials, fresh oil, etc. These traffic control d evices shall be placed at locations where they will provide adequate warni ng to the traffic, including side roads that enter the work limits. A ll traffic control devices used shall comply with the applicable requi rements of Traffic control plans for detours, lane closures, l ane width reductions, shoulder closures, and other alterations to the original traffic pattern shall not be placed in operation mo re than 72 hours before the work begins which requires the traffic c ontrol changes. 603 394 After a traffic control plan is placed in operation , if progress on the work that required such plan is interrupted by more than 72 continuous hours, the original traffic operations m ust be restored as conditions allow, unless otherwise directed by the Engineer. Removal and restoration of traffic control devices to restore original traffic operations, and the subsequent reinstallati on of the traffic control modifications will be at no additional cost to the Department. Passageways for traffic shall be maintained dust fr ee by the application of water or other approved material. The Contractor shall make judicious use of pilot ve hicles or properly attired and trained flaggers or sentinels, as necessary, to safely and conveniently guide traffic through the w ork limits. On unpaved traveled ways or shoulders, the Contract or shall keep the surface smooth and stable by blading, ditching, etc. Shoulder material shall be maintained to closely ma tch the grade of the existing pavement.
Control Supervisor is included in the Contract, the traffic control supervisor shall be certified as a worksite traffic supervisor by either the American Traffic Safety Services Association (A TSSA) or the Arkansas Associated General Contractors, and shall be someone other than the Contractor's superintendent. The na me, address, and telephone number of the traffic control supervisor shall be furnished to the Engineer at the pre-construction conference. The Contractor shall advise the Engineer of any changes to the con tact information for the traffic control supervisor or changes in pe rson designated as the traffic control supervisor. The traffic control supervisor shall: • Perform or supervise the performance of the inspections required in Section 604; • Prepare, sign, and submit to the Engineer the cert ification of inspection required in Section 604; • Train and supervise flaggers and pilot car operato rs, as needed;
395 • Review the project for additional traffic control measures needed to delineate hazards due to the Contractor's operations; • Correct all traffic control deficiencies; • Provide emergency maintenance of traffic control d evices as needed. Emergency maintenance shall consist of maintenance, repair, or replacement of traffic control devices that have be en damaged, vandalized, or otherwise rendered ineffective to th e extent that a serious hazard exists. The traffic control supervi sor, or a designated alternate, shall begin such emergency work within t wo (2) hours after being notified. When emergency maintenance i s required during non-working hours, devices that are classified as "unacceptable" according to ATSSA Quality Standards for Work Zone Traffic Control Devices may be used in emergency maintenance provided the devices are effective in r educing the existing hazard and further provided that they are replaced not later than the next business day. The traffic control su pervisor shall keep the Resident Engineer informed of the name, address , and telephone number of the individual responsible for performing emergency maintenance.
for the maintenance of traffic, the Contractor shal l construct and maintain detours or stage roadway sections to provi de for the construction of the roadway, culverts, bridges, or miscellaneous items. Any temporary culvert shall be of sufficient length to provide the specified roadway width, but in no case be less tha n that required to provide a minimum 20' (6 m) traveled way, and shall have a minimum design capacity of H15 (M13.5) loading. Any temporary bridge structure, regardless of type or centerline roadway lengths, shall have a minimum 20' (6 m) bri dge roadway width and a minimum design capacity of H15 (M13.5) loading, unless otherwise specified. Except as provided herein, a layout and working dra wings shall be submitted to the Engineer for informational and record purposes for all temporary bridges and drainage structures, except standard pipe culverts. The layout submitted shall show the length and type 603 396 of spans, and the type of substructure. Working dr awings shall show all dimensions and details necessary to construct t he structure, and the type and condition of all materials that will b e used. The Contractor shall construct the temporary structures according to these drawings, or shall submit revised drawings if changes become necessary. The Department’s plans will, as appropriate, includ e temporary bridge details. The Contractor may elect to use th ese temporary bridge details, or use an optional design. If an o ptional design is used, the Contractor shall submit a layout and working drawings signed by a Registered Professional Engineer and a certification by a Registered Professional Engineer that the design an d working drawings meet all the requirements of the plans, sp ecifications, and the design requirements of the current edition of t he AASHTO Standard Specifications for Highway Bridges with in terim Specifications, except as modified herein. The rai l and curb system for an optional design shall be at least equal in s trength to that shown on the Department's temporary bridge details. If the Department’s temporary bridge details are used, onl y a layout and a listing of the type and condition of materials to b e used will be required for submittal. When an optional design is used, file copies of the design calculations shall be maintained by t he Contractor until final acceptance of the project. No work other than the driving of test piles shall be performed on a temporary bridge until the Contractor has submitted the layout, working drawings, and any required certifications t o the Engineer. Materials used in temporary bridges and temporary d rainage structures, whether Department design or Contractor design, may be new or used and in good condition. Materials and w orkmanship shall comply with the requirements of the applicabl e sections of the specifications covering the items. Timber used in t he substructure or superstructure may be untreated unless treatment is specified on the plans. Lumber and timber materials and constructio n shall comply with Section 817 except that 1) the preservative re quirements for used material shall be a minimum of 50% of that req uired for new material, and 2) the differential of two adjacent p lanks in the finished deck surface shall not exceed 1/4" (6 mm).
397 Timber flooring shall be installed in a transverse direction. Longitudinal runners will not be permitted. Unless otherwise specified, the Contractor has the option of using timber, steel, or concrete piling. If timber pilin g is used, the piling shall be peeled as specified in Subsection 818.02. Untreated piling may be used unless treatment is specified on the pl ans. If treated timber piling is specified, the preservative requir ements for used timber piling shall be 50% of that required for new material. Pile driving shall be according to the provisions o f Subsections
805.06through 805.09 except that painting of steel piles is not
required. Safe bearing values shall be determined by Method A, Empirical Pile formula. Before the temporary structure is open to traffic, the Contractor shall submit a certification that the st ructure was built according to the submitted layout, working dr awings, and materials. The certification will be required whet her the Department’s temporary bridge details are used or t he Contractor’s optional design is used. The materials and completed drainage structure shal l be maintained in good serviceable condition that will safely accommodate traffic using the facility for the duration of the work. Temporary pipes in detour or stage construction sha ll be as shown on the plans or shall be approved before inst allation. No additional payment will be allowed if a bridge type structure is furnished in lieu of a temporary culvert at the Con tractor's request. Construction of approaches to temporary culverts or bridge structures, or other roadway construction shown on the plans as part of detour or stage construction, shall conform to t he lines, grades, cross sections, and typical sections shown on the p lans or established by the Engineer. Materials used in detour or tempo rary roadway construction, and the maintenance thereof, , shall co mply with the requirements of the applicable sections of the spec ifications covering the items. The detour or temporary roadway shall be maintained in a condition to allow the safe and convenient passage of vehicles. When the plans do not provide for a dust free surfa cing, the passageway shall be maintained dust free by the app lication of water 603 398 or other approved material to the roadway itself or to adjacent areas of construction activity that are the source of dus t. Temporary culverts or bridge structures shall be re moved when the new facility has been completed and opened to t raffic. Materials from temporary culverts or temporary brid ge structures shall remain the property of the Contractor. Mater ials used on detours and in stage construction and not incorpora ted into the permanent work, shall be salvaged to the extent pra cticable and used for base on other detours, drives, approaches, isla nds or shoulders, or stockpiled as directed. Non-salvageable materia ls shall be disposed of by the Contractor according to Section 201.
be cut away from the edge of the pavement on boths ides of any section open to traffic. Unless otherwise specifie d, the total length of work areas on the entire project having vertical differences greater than 4" (100 mm) adjacent to the edge of traveled l anes shall be limited to 5,280 linear feet (2 km) in advance of b ackfill. Where detour or stage construction is specified, tr affic control shall be accomplished as shown on the plans or as m odified by the Engineer. The Contractor shall provide the Engineer with a mi nimum of three full business days advance, written notification of any non- emergency lane closure or lane width restriction. T he first full business day shall commence at midnight on the firs t business day following written notification to the Engineer. Th is advanced notification is required to allow adequate notice f or the issuance of over width load permits by the Department. Where any operations result in a vertical different ial at the centerline, lane lines, or edge of pavement, the Co ntractor shall immediately place traffic control devices or instal l a positive barrier according to the plans. Traffic control devices sh all be maintained until the planned typical section is completed or u ntil temporary shoulders are constructed. In addition to the above requirements, when pavemen t construction in lanes open to traffic results in a vertical differential at the centerline, lane lines, or edge of pavement, then backfill or
399 adjacent pavement construction shall be accomplishe d as soon as practicable but in all cases no later than the foll owing: Vertical Differential Location Time Limitation (1" or less) 25 mm or less centerline, lane lines, and/or edge of pavement None (1" to 3") 25 to 75 mm* centerline and/or lane lines Next working day (1" to 4") 25 to 100 mm edge of pavement 30 calendar days (greater than 4") greater than 100 mm edge of pavement ** *No vertical differential greater than 3" (75 mm) w ill be permitted at centerline or lane lines. **Traffic control devices shall be installed according to the plans. However, shoulder work in conjunction with overlay projects shall be accomplished within 7 business days. Where temporary shoulder construction is utilized, the shoulder material shall closely match the grade at the edge of the pavement, but not necessarily conform to the planned typical section. The temporary material shall be stable, but specificati on density will not be required. Caution shall be exercised in tempora ry shoulder construction to prevent damage to the pavement. Th e Contractor will be required to maintain the temporary shoulder in a safe condition until the planned typical shoulder sectio n is constructed. The Contractor may utilize the planned shoulder mat erial for the temporary shoulder or, at Contractor option, may us e other materials approved by the Engineer. Any temporary material t hat does not comply with the requirements of the planned shoulde r material shall be removed by the Contractor before constructing th e planned shoulder. There will be no additional payment for constructing, maintaining, or removing temporary shoulders. Where Contracts do not include shoulder work, the C ontractor shall coordinate work with the State, County, or Ci ty forces that will be performing the shoulder work. In this case, the State, County, or 603 400 City will be responsible for placing and maintainin g the required "Low Shoulder" signs. The Contractor will be respo nsible for all other construction signs until completion of the Co ntract. Temporary culverts or bridge structures required in detour or stage construction shall be according to Subsection 603.02(c). The Contractor shall schedule all work in a manner that will allow the routing of traffic over the permanent pav ement as quickly as practicable. When the plans do not show a detailed sequence of c onstruction or planned detour, the Contractor shall provide a s afe and convenient two-way passage throughout the entire length of the work. The Contractor shall perform the work and operate equipment in a manner that will permit the safe, continuous flow o f two-way traffic through the work at all times, except when blasting or other potentially hazardous construction operations are a ctually in progress and where the unregulated movement of traf fic would be unsafe. In such sections, the Contractor shall pro vide a safe and convenient passageway for traffic either by means o f one-way passage on the roadway, with traffic controlled by flaggers or signal lights, or by means of short, two-way temporary det ours within the right-of-way. Such sections shall be limited to ap proximately 1500' (500 m) in length. If traffic conditions warrant, the length of such sections may be increased or decreased as directed or approved by the Engineer. The Contractor shall utilize, and store when directed, material available within the project, including existing su rfacing, which is suitable for surfacing temporary portions of the gr ading for use as passageways for traffic. Gravel or crushed stone m ay be used for temporary surfacing if other suitable materials are not available within the project limits. If it is determined that the Contractor's performance of the work was not completed in an efficient, workmanlike manner, making it necessary to use temporary surfacing materials for maintaining traffic, the Contractor shall provide the necessary temporary surfacing material at no cost to the Department. The Contractor shall maintain access for the safe a nd convenient use of the adjacent property owners/occupants. The Contractor shall maintain all existing highway, street, and county r oad regulatory,
401 warning, guide, and informational signs in an effec tive location at all times for the duration of the work and shall instal l them at the correct location upon completion of the work. Any signs damaged by the Contractor shall be replaced at no cost to t he Department.
new location sever existing public or private roads or the access to premises, the Contractor shall schedule and perform the various items of construction to provide a safe and conveni ent passageway for traffic at all times according to Subsections 6 03.02(a), (b), (c) and (d).
603.03Method of Measurement. (a) Maintenance of Traffic
will be measured by the lump sum.
Culverts will be measured by the linear foot (meter ) measured parallel to the flow line of the culvert. For mult iple pipes, the measured length will be the sum of the lengths of t he individual barrels. No measurement or payment will be made fo r lengths in excess of that required to provide the roadway widt h specified on the plans or as directed by the Engineer for the partic ular location. The construction and subsequent removal of Temporar y Bridge Structures, of the specified width, will be measure d by the linear foot (meter) of bridge structure actually constructed, not to exceed the length specified on the plans for the particula r location. No additional measurement or payment will be made for widths or lengths in excess of those shown on the plans or as directed by the Engineer for the particular location.
Engineer to be used for the maintenance of traffic, for repairs to the existing roadway within the limits of the work, for temporary bases and surfaces directed to be used during stage const ruction and reconstruction, and for the construction and mainte nance of detours will be measured according to the specifications fo r the particular item used. Materials required for maintenance of t raffic due to negligence of the Contractor or failure of the Cont ractor to construct and maintain the work in proper sequence will not b e measured or paid for. 603 402 Materials removed from detours or temporary passage ways and placed as directed will be measured under the item of Common Excavation, Unclassified Excavation, or Removing an d Replacing Base Course and Asphalt Surfacing, as appropriate.
603.04Basis of Payment. (a) Work completed and accepted
under the item of Maintenance of Traffic and measured as provided above will be paid for at the contract lump sum price bid for Maintenance of Traffic, which price shall be full c ompensation for furnishing, placing, maintaining, and removing traf fic control devices; for ordinary maintenance of the existing r oads, bridges, and culverts; for the application of water or other app roved materials to alleviate dust conditions on passageways; for furni shing flaggers, pilot vehicles, and sentinels, as necessary; for ma intaining a smooth and stable passageway; for maintaining and re-erecting all existing highway, street, and county road signs; and for all materials, labor, equipment, tools, and incidentals necessary to safely maintain traffic during the construction period.
Supervisor and measured as provided above will be p aid for at the contract lump sum price bid for Traffic Control Sup ervisor, which price shall be full compensation for providing the traffic control supervisor and for all materials, additional labor, equipment, tools, and incidentals necessary to accomplish the specified work.
Culverts and/or Temporary Bridge Structures and mea sured as provided above will be paid for at the price bid pe r linear foot
per linear foot (meter) for Temporary Bridge Structure (___ ′ [__m] Roadway Width), which price shall be full compensation for the preparation of necessary design details and/or Regi stered Professional Engineer certifications; the construction, maintenance, and subsequent removal of the structures; and for f urnishing all materials, labor, equipment, tools, and incidentals necessary to complete the work. The Contractor may substitute t emporary culverts of different sizes and shapes from thoses pecified on the plans, provided that the minimum specified waterway opening is obtained for the particular location. Payment will be based on the culvert size specified for the particular location.
403 (d) Materials furnished and used for the maintenance of traffic and measured as provided above will be paid for at the contract unit price bid for the particular items used, which pric e shall be full compensation for furnishing all materials; for remo val, if applicable; and for all labor, equipment, tools, and incidentals necessary to complete the work. Advanced payment for stockpiled materials will not be allowed for any of the pay items in this Section.
delineation as a result of the Contractor's operati ons; for those operations required to provide smooth and dust free traffic passageways; for flaggers, pilot vehicles, and/or s entinels required to safely and conveniently guide traffic through the w ork limits; and for maintaining and re-erecting all existing highway, s treet, and county road signs will not be paid for separately, but ful l compensation therefor will be considered included in the contrac t unit price bid for Maintenance of Traffic.
Temporary Bridge Structures, Maintenance of Traffic , and Traffic Control Supervisor. The periodic payments for Temporary Culverts and Te mporary Bridge Structures will be limited to the following percentages of the total price bid for each culvert or structure: Temporary Culverts Temporary Bridge Structures Installation - 80% Substructure - 30% Removal and Disposal - 20% Superstructure - 50% Removal and Disposal - 20% The periodic payments for the items Traffic Control Supervisor and Maintenance of Traffic will be in proportion to the percent of the total work performed on the Contract. Payment will be made under: Pay Item Pay Unit Maintenance of Traffic Lump Sum Traffic Control Supervisor Lump Sum __" (___mm) Temporary Culvert Linear Foot (Meter) Temporary Bridge Structure (___ ′ [__m] Roadway Width) Linear Foot (Meter) 604 404 SECTION 604 TRAFFIC CONTROL DEVICES IN CONSTRUCTION ZONES
604.01Description. This item consists of furnishing, installing,
maintaining, moving from one location to another, a nd removing traffic control devices as specified on the plans a ccording to this Section, Subsections 104.05 and 107.07, and the MUT CD. Traffic control devices shall include, but not be limited t o: traffic cones, signs, vertical panels, barricades, barrier units, traffic drums, advance warning arrow panels, portable changeable m essage signs, pavement markings, and removal of pavement markings .
604.02Materials. (a) General. All work zone traffic control
devices used on the project, including sign supports, barricades, traffic drums equipped with flashing lights, crash cushions, and impact attenuators shall comply with the requiremen ts of National Cooperative Highway Research Program (NCHRP) Report 350 or the Manual for Assessing Safety Hardware (MASH). T he Contractor shall furnish a certification of such co mpliance from the manufacturer or supplier of all work zone traffic c ontrol devices prior to using the devices on the project. The cer tification shall state the device meets the requirements of NCHRP 350 or M ASH and include a copy of the Federal Highway Administratio n’s (FHWA) approval letter with all attachments for each devic e. Devices shall be fabricated and installed in accordance with the plans and with the crash testing documentation provided in the FHWA ap proval letter, which is available at: http://safety.fhwa.dot.gov/roadway_dept/policy_guid e/road_hardware/ . The 2lb. (0.9 kg) minimum channel post or 4” x 4” ( 100 mm x 100 mm) wood post sign support systems, installed i n accordance with the plans (direct buried), have been previousl y tested and accepted, and, therefore, do not require certification. No direct payment will be made for fulfilling the requirements of this Specification, but full compensation will be consid ered included in the contract unit prices bid for the various traffi c control devices. Traffic control devices will be accepted based on a visual inspection according to ATSSA Quality Standards for Work Zone Traffic Control Devices as to their effectiveness and condition. At the time of initial setup, 100% of all traffic cont rol devices shall be 604 405 classified as "acceptable". Maintenance, repair, a nd replacement operations shall be conducted so that at least 75% of each type device in use are maintained in the "acceptable" cl assification, with the remaining devices classified as "marginal". Tra ffic control devices that are classified as "unacceptable" shall be removed from the project and replaced within 12 hours after noti fication. Used signs, vertical panels, barricades, drums, tra ffic cones, precast concrete barrier, advanced warning arrow pa nels and portable changeable message signs will be allowed p rovided such devices comply with the requirements set out herein and on the plans.
Cones. Materials for signs, vertical panels, and barricades required under this subsection shall comply with materials r equirement of the plans, specifications and the MUTCD for the constru ction of signs using ASTM D 4956 for Type VIII or IX sheeting furn ished according to the QPL. All orange signs must meet r equirements for Fluorescent Orange. Sign messages, symbols, borders, and backgrounds sh all be of the size, type, and/or color shown on the plans. All c olors for signs shall match the colors specified by the MUTCD. All sign messages designating project lengths in miles shall be carried only to the nearest mile. All letters and numerals shall be standard Series C , D, E, E modified, and F as specified in the current edition of Standard Highway Signs . All letters, numerals, symbols, and borders shall h ave a regular outline, be clean-cut and sharp, and have a continu ous stroke and border. The letters, numerals, arrows, symbols, borders, an d other features shall be produced on the retroreflectives heeting of the sign field by a silk screen process approved by the Engi neer. Sign messages and borders of a color darker than the sig n field shall be applied to the retroreflective sheeting by direct p rocess. Sign messages and borders of a color lighter than the si gn field shall be produced by the reverse process in which the messag e and border are outlined by applying darker transparent color to th e retroreflective sheeting of the sign field. Transparent colors, in ks, and paints used 604 406 in the silk screen process shall be of the type or quality recommended by the manufacturer of the retroreflective sheeting and shall conform to the colors shown in the currented itions of the MUTCD and Standard Highway Signs . Precut letters, symbols, and numerals, when applied according to the manufacture r's recommendation, will be permitted. The Contractor shall submit a certification to the Engineer stating that the retroreflective sheeting complies with the requirements of the specifications. Traffic cones used for night work or which will be used for delineation during nighttime hours shall be reflect orized with retroreflective sheeting meeting the requirements o f ASTM D 4956 for Type III or IV with the additional requirements for Reboundable Sheeting. All traffic cones shall meet the requirements of the MUTCD.
barrier shall comply with the applicable requiremen ts of the plans. The Contractor shall certify to the Engineer, in wr iting, that the materials and the design used in the construction o f the barrier comply with the requirements of the plans and speci fications and that the barrier was constructed according to the d etails of the plans.
Construction pavement marking material shall consis t of an adhesive backed retroreflective tape that can be applied to the pavement. As an alternate, painted markings complying with Secti on 718 may be used. Markings shall be yellow for centerlines and inside edge lines, white for lane lines and outside edge lines, and ha ve straight, unbroken edges. For all markings that are to be removed, paint will not be allowed on the final roadway surface or on any pavement sur face that will not be resurfaced or obliterated unless otherwise a uthorized in writing by the Engineer. The Contractor may, at Co ntractor expense, use painted markings on the final surface as a primer for permanent thermoplastic markings.
pavement markings for Portland cement concrete surf aces shall comply with the requirements for removable pavement markings as 604 407 specified in Subsection 604.02(f). As an alternate , painted markings complying with Section 718 may be used. Markingss hall be yellow for centerlines and inside edge lines and white for lane lines and outside edge lines, and shall have straight, unbrok en edges. For all markings that are to be removed, paint will not be allowed on the final roadway surface or on any pavement sur face that will not be resurfaced or obliterated unless otherwise a uthorized in writing by the Engineer. Paint may be used as a pr imer for thermoplastic markings.
markings, the Contractor may use paint or tape as s pecified above for Construction Pavement Markings. Retroreflectorized raised pavement markers complying with Section 721 may be used in lieu of paint or tape specified above. Three raised pav ement markers shall be installed, equally spaced, in the place of the 4' (1.2 m) stripe. The markers shall be retroreflectorized in the dire ction(s) facing traffic and shall be the color required for tape or paint. In lieu of raised pavement markers complying withS ection 721, the Contractor may use Construction Raised Pavement Markers
markings shall meet the requirements of Section 720 for Type 4.
Markings. The Contractor shall submit a certification to th e Engineer stating that the construction and/or inter im pavement markings used comply with the requirements of the s pecifications.
panels shall meet the requirements of the MUTCD.
message signs shall meet the requirements of the MU TCD.
604.03Construction Requirements. (a) General. Traffic
control devices shall be installed and maintained i n good condition and in compliance with the plans, this specificatio n, and the MUTCD. The Contractor shall certify weekly to the Engineer that all traffic control devices in use have been inspec ted on at least a daily basis and that any devices failing to comply with the requirements set out herein or on the plans were co rrected. The 604 408 certification for inspection of traffic control dev ices shall be documented on the attached “Traffic Control Device Inspection Checklist”, which is to be completed in its entiret y, as applicable, on a daily basis. The Traffic Control Device Inspecti on Checklist form is available on the Department’s website at: http://www.arkansashighways.com/construction_divisi on/Traffic ControlDeviceInspectionForm. At least one inspection weekly shall be performed a t night. The work involved in performing the required inspections and furnishing the certification will not be paid for separately, but full compensation therefor will be considered included i n the contract unit prices bid for other items of the Contract. Traffic control devices shall be constructed according to the plans. The Contractor shall be responsible for pro perly locating the traffic control devices according to the plans, or as directed. The Contractor shall accomplish the items of work r equired for traffic control through construction zones in a log ical sequence throughout the duration of the project. Any item c onstructed prematurely will not be accepted until the item is required for its intended use. All traffic control devices shall be constructed an d maintained in such manner that the devices will be fully visible, intact, and erect for the entire duration of their intended use and s hall be removed from the project when their use is no longer required. All devices shall remain the property of the Contractor unless otherwise specified.
panels of a permanent nature, shall be placed and m aintained in a vertical position as shown on the plans or as direc ted. Each device will be considered as a unit, including the sign an d support assembly as shown on the plans. After the project has been declared substantially c omplete by the Engineer, the Contractor shall either cover or remo ve the advance warning signs. In the event that work is required after the project is declared substantially complete, the Contractor wil l uncover the advanced warning signs or provide appropriate signs and traffic control devices needed to perform the work. Additi onal signs or 604 409 traffic control devices required for such work will not be measured or paid for separately, but full compensation there for will be considered included in the contract unit price bid for Maintenance of Traffic.
detour signing and signing required to close offal l or part of a roadway shall be placed as shown on the plans or as directed.
the plans or as directed.
placed as shown on the plans or as directed.
pavement markings, either permanent, construction, or interim, shall be in place on all roadways open to traffic. Work shall not continue or commence until the required pavement markings ar e in place. Before opening a detour or stage roadway to traffic , pavement markings, either permanent or construction, shall b e in place. Conflicting pavement markings shall be removed to p revent confusion to drivers. Removal of pavement markings shall leave a minimum of pavement gouging. Unless otherwise spec ified, painting over conflicting markings as a means of li ne removal will not be allowed.
classified as follows:
pavement markings are those markings that will be l eft in place upon completion of the project. Permanent pavement markings shall comply with the requirements of Sections 3A and 3B of the MUTCD and Section 718, 71 9, or 720, as specified on the plans or in the Contrac t. Skip lines shall be placed on a 40' (12 m) cycle (10' [3 m] stripe, 30' [9 m] skip) for white lane lines and fo r yellow centerlines where passing is permitted. No-passing zones shall be marked with solid yellow lines. Edge lines shall be white solid lines for both edges of the pavement on two-way traffic roadways. On divided multi-lane roadways, edge lines shall be white solid lines on the 604 410 outside edge and solid yellow on the inside edge. Unless otherwise specified, all lines shall be broken only for street and/or ramp intersections.
pavement markings are those markings that will be removed, replaced with permanent markings, or covered with a pavement course before the completion of the project. Construction pavement markings shall comply with the requirements of Sections 3A and 3B of the MUTCD and shall be the same pattern as Permanent Pavement Markings. Unless otherwise specified, edg e lines will not be required. The Contractor shall r eplace all markings that become ineffective, as determined by the Engineer, at no cost to the Department.
markings are those that may be used for a short per iod of time until it is practical and possible to place ei ther permanent or construction pavement markings. Inter im pavement markings shall be replaced with permanent or construction markings or covered with a succeeding course of paving within three (3) calendar days on high- volume roads or fourteen (14) calendar days on low- volume roads. (Day 1 of the 3- or 14-day period is the first calendar day that it becomes practical and po ssible to place permanent or construction pavement markings.) If interim markings are not covered or replaced with permanent or construction markings within the speci fied time period, no work on the project shall continue or commence until either permanent or construction pavement markings are in place. High-volume and lo w- volume roads will be designated on the plans. Except as noted below for divided multi-lane roadways, interim pavement markings shall consist o f white lane lines and yellow centerlines placed on a 40' (12
interim markings are used and unless otherwise spec ified, all two- and three-lane, two-way traffic roadwayss hall be marked with a single 4" (100 mm) wide yellow skip l ine on the centerline so as to operate as two-lane road ways. 604 411 Four lane two-way traffic roadways shall be marked with double 4" (100 mm) wide yellow skip lines on the centerline and a single 4" (100 mm) wide white skip line on lane lines in each direction so as to operate as four-lane roadways. On all roadways with existing turn lanes (either continuous or dedicated), the existing stri ping pattern shall be maintained with the interim markin gs. The center turn lane shall be marked with double 4" (100 mm) wide yellow skip lines on each side of the turn lan e and a single 4" (100 mm) wide white skip line shall be used on lane lines in each direction. On multi-lan e divided roadways, a 4" (100 mm) wide white skip line 10' (3 m) long on a 40' (12 m) cycle shall be installed on the lane line(s) in each direction. In conjunction with interim pavement markings on roadways marked for two-way traffic, no-passing zones shall be marked with signs. DO NOT PASS signs (R4- 1) shall be placed at the beginning of no-passing zones and the PASS WITH CARE sign (R4-2) shall be placed at t he end of no-passing zones. When the length of the no - passing zone exceeds 1/2 mile (800 m) in length, or when the alignment of the roadway warrants, supplemental DO NOT PASS signs shall be placed at 1/2 mile (800 m) intervals, or more frequently if necessary, to prov ide adequate warning to the public. The signs shall be mounted as shown on the plans. Construction Raised Pavement Markers, when used, shall be securely attached to the surface in such m anner that the surface will not be damaged and the device will remain in place for the time required for its use. Markers that become detached from the surface, are damaged, are coated with asphalt, or otherwise lose their effect iveness shall be replaced or repaired by the Contractor at no cost to the Department.
applied as follows:
as specified in the Contract, shall be in place on the final surface at the end of each day's operations on all lanes 604 412 open to traffic. Unless otherwise specified, edge lines will not be required. The Contractor may, at Contr actor option and expense, use interim pavement markings a s follows: High volume roads. On roadways designated on the plans as high volume, interim pavement markings may be used for not longer than 3 calendar days. All centerline and lane line permanent markings shall be placed within the three-day period. Low volume roads. On roadways designated on the plans as low volume, interim pavement markings may be used for not longer than 14 calendar days. All centerline and lane line permanent markings shall be placed within the 14 day period. The Contractor shall carefully place all interim markings to avoid any overlapping by the permanent pavement markings. Interim pavement markings shall be removed from the final surface as soon as possible after the placement of permanent markings. Any voids cau sed by the removal of interim markings shall be repaire d immediately at the Contractor’s expense. For all markings that are to be removed, paint will not be allowed on the final surface unless otherwise authorized in writing by the Engineer. On roadways open to traffic, if interim pavement markings are used, they shall be removed only after permanent pavement markings are in place.
surfaces, construction pavement markings shall be i n place at the end of each day's operations on roadwa ys open to traffic. Unless otherwise specified, edge lines will not be required. The Contractor may, at Contr actor option and expense, use interim pavement markings u nder the same conditions and time limits as specified fo r final surfaces. 604 413 When CRPM are used on an intermediate surface before a final surface of ACHM and when the final ACHM surface course will not completely cover the CRPM, the CRPM shall be removed immediately in advance of the paver placing the final surface course. Removal of the CRPM shall be at the Contractor's expense.
stage construction, construction pavement markings, including edge lines when required as shown on the plans, shall be in place before opening the roadway to tra ffic.
is asphalt surface treatment, pavement markings sha ll not be placed until the asphalt has set, the aggregate firmly embedded, and loose aggregate removed from the surf ace. No-passing zones shall be marked with signs as spec ified under interim pavement markings above. Permanent o r construction pavement markings shall be placed with in 14 calendar days after placement of the final surface.
pavement, and ambient air temperature shall be 50° F (10° C) and rising and the pavement surface shall be free of mo isture at the time of placement. If weather conditions prohibit placement of removable construction pavement markings and the En gineer determines that pavement markings must be placed du e to the sequencing of the work, the Contractor shall place and remove painted markings. The placement and removal of pai nted markings in this case will be measured and paid for at the c ontract unit price bid for removable construction pavement markings. No payment will be made for removable construction pavement ma rkings that do not properly adhere to the pavement. On jointed concrete pavement, the tape shall be cut at all joints. On all other pavements, the tape shall be cut at ap proximately 40' (12 m) intervals.
roadways, the Contractor shall reference the locati ons of all no- passing zones with standard DO NOT PASS and PASS WI TH CARE signs before obliteration of the existing pavement markings. 604 414 On detours, new construction, and when construction significantly changes the horizontal or vertical alignment of an existing roadway, the Department will establish the locations of no-p assing zones for referencing by the Contractor. Signs used to mark no passing zones shall remain in place until installation of permane nt markings or final acceptance of the project, whichever is earlier. On unpaved or unmarked roadways, the Contractor sha ll mark the locations of no-passing zones with signs immediatel y after the Department establishes the locations of the zones. If permanent or construction pavement markings are placed immediately after zoning is completed, the marking of no-passing zones with signs will not be required.
panels shall be placed as shown on the plans or as directed, and shall remain in place for the time specified by the Engin eer. The Engineer will specify the mode of operation to be used.
message signs shall be installed at the locationss hown on the plans or as directed by the Engineer. The Engineer will specify the message(s) to be displayed and the mode of display. The sign shall be maintained operational in the specified location until the Engineer directs that it be removed.
plans or as directed.
604.04Method of Measurement. Traffic control devices
designated on the plans or authorized by the Engineer will be measured by the square foot (square meter), linear foot (meter), each, or day. The maximum quantities of traffic co ntrol devices, other than pavement markings, authorized for paymen t will be the maximum amounts of each, shown on the plans or auth orized by the Engineer, that may be required to be in place at an y one time during the construction period. The various traffic control devices will be measure d according to the following:
Traffic Cones. The actual amount of signs, vertical panels, traf fic drums, barricades, and traffic cones, furnished and in place, up to the 604 415 maximum amount that is authorized to be in place at any one time, will be measured by the square foot (square meter), each, each, linear foot (meter), and each, respectively. No ad ditional payment will be made for moving these devices from one location to another or for maintenance or repair.
Precast Concrete Barrier. The actual amount of precast concrete barrier, furnished and installed, up to the maximum amount that is authorized to be in place at any one time, will be measured by the linear foot (meter).
precast concrete barrier, previously furnished and installed, which is relocated within the project limits will be measure d by the linear foot (meter) for each authorized relocation.
measured and paid for under Sections 718, 719, or 7 20, as applicable. Construction Pavement Markings will be measured by the meter (linear foot). Construction Pavement Markings (Wor ds), (Arrows), and (Railroad Emblems) will be measured by the unit . One railroad emblem unit will consist of both R's, the X, the tr ansverse lines, and the stop line near the tracks. Interim pavement markings will not be paid for sepa rately, but full compensation therefor will be considered inclu ded in the contract unit prices bid for other items of the wor k. Markings that become ineffective for any reason other than normal wear shall be replaced by the Contractor at no cost to the Department. Replacement of markings that become in effective due to normal wear will be measured by the meter (linea r foot) or unit. Removal of Permanent Pavement Markings and Removal of Construction Pavement Markings will be measured by the linear foot
Construction Pavement Markings (Words), (Arrows), a nd (Railroad Emblems) will be measured by the unit. One railroa d emblem unit consists of both R's, the X, the transverse lines, and the stop line near the tracks. 604 416 Removal of interim pavement markings, including RPM and/or CRPM, will not be paid for separately, but full com pensation therefor will be considered included in the contrac t unit prices bid for other items of the work. When any pavement marking is removed in conjunction with the removal, scarification, milling, or grinding of the pavement, or is covered by a succeeding pavement course, the remova l of the marking will not be measured for payment. There will be no payment for removal of Removable Construction Pavement Markings. Signs used to mark no-passing zones will be measure d by the square (square meter) according to Subsection 604.0 4(a). Each sign will be considered as a unit, including the sign an d the support assembly as shown on the plans.
Changeable Message Signs. Advance Warning Arrow Panels and Portable Changeable Message Signs furnished will be measured for payment by the number of days each panel or sign is required and authorized by the Engineer. Payment for a full day will be made for any portion of a day that the panel or sign is used , but the measurement shall not exceed one per panel or sign in any calendar day. When Advance Arrow Warning Panels or Portable Changeable Message Signs are required after the contract time has expired and liquidated damages are being assessed, the Contract or shall furnish such panels and/or signs at no cost to the Departme nt.
604.05Basis of Payment. Traffic control devices completed and
accepted and measured as provided above will be pai d for at the contract unit price bid per square foot (square meter), each, linear foot (meter), or day, as applicable for the particu lar item, according to the following:
Traffic Cones. The unit prices bid for these items shall be full compensation for all materials, labor, equipment, t ools, and incidentals necessary for installation, moving from one location to another, and for maintenance, repair, and removal.
Precast Concrete Barrier. The unit price bid for this item shall be 604 417 full compensation for all materials, labor, equipme nt, tools, and incidentals necessary for the initial furnishing an d installation of the barrier on the project; for maintenance and repair; and for final removal of the barrier upon completion of the work.
this item shall be full compensation for all materials, labor, equipment, tools, and incidentals necessary for eac h relocation of the barrier that was initially furnished and installed on the project and that is authorized to be used at other locations wi thin the project limits. The maximum unit bid price for Relocating Precast C oncrete Barrier shall not exceed 25% of the unit price bid for Furnishing and Installing Precast Concrete Barrier. Any unit bid price submitted in an amount more than the specified maximum will be a utomatically adjusted by the Engineer downward to the specified maximum to determine the correct total bid. This adjustment t o the specified maximum will be automatically made, without any cou nter- adjustments in prices for other items.
items shall be full compensation for installing and maintaining markings; for removing pavement markings; and for a ll materials, labor, equipment, tools, and incidentals necessary to complete the work. Replacement of construction pavement markings, when required due to normal wear, completed and accepted and meas ured as provided above, will be paid for at the contract un it price bid for construction pavement markings. Signs used to mark no-passing zones will be paid fo r under Subsection 604.05(a).
for this item shall be full compensation for furnis hing, installing, moving, and maintaining the panel; and for all labo r, equipment, tools, and incidentals necessary to complete the wo rk.
bid for this item shall be full compensation for fu rnishing, installing, moving, and maintaining the sign; and for all labor , equipment, tools, and incidentals necessary to complete the wo rk. 604 418 (f) Payment for replacing traffic control devices that are damaged beyond use by traffic or vandalism will be made at 75% of the actual measurement of the items being replaced if their co ntinued use on the project is required. The damaged devices will be inspected by the Engineer and marked for disposal before payment for replacement. The replacement device shall be class ified as "acceptable" according to ATSSA Quality Standards for Work Zone Traffic Control Devices . The Department reserves the right to seek any and all recovery of the amount of any such paym ent from the parties responsible for the damage. No payment will be made for repair or replacement o f Advanced Warning Arrow Panels or Portable Changeable Message Signs. No payment will be made for replacing any traffic cont rol device that has been stolen or has been damaged due to the negl igence of the Contractor. Payment will be made under: Pay Item Pay Unit Signs Square Foot (Square Meter) Vertical Panels Each Traffic Drums Each Barricades Linear Foot (Meter) Furnishing and Installing Precast Concrete Barrier Linear Foot (Meter) Relocating Precast Concrete Barrier Linear Foot (Me ter) Construction Pavement Markings Linear Foot (Meter) Construction Pavement Markings (Words, Arrows, Railroad Emblems) Each Removal of Permanent Pavement Markings Linear Foot (Meter) Removal of Permanent Pavement Markings (Words, Arrows, Railroad Emblems) Each Removal of Construction Pavement Markings Linear Foot (Meter) Removal of Construction Pavement Markings (Words, Arrows, Railroad Emblems) Each
605 419 Removable Construction Pavement Markings Linear Foot (Meter) Advance Warning Arrow Panel Day Portable Changeable Message Sign Day Traffic Cone Each