Removal of the traffic control systemRemove all workers and equipment from the roadway. Also, verify that flagging stations are laid out correctly, are visible to approaching traffic, are illuminated during nighttime, and have correct advance warning signs. Category 3 devices include crash cushions, impact attenuator vehicles, temporary railing, temporary barrier, and end treatments for temporary railings and barriers. (Updated 1-24-11) (PDF), FHWA Letter regarding Federal standards for Street Name signs and deadlines for compliance (PDF), INFORMATION: FHWA Official Interpretation - Manual on Uniform Traffic Control Devices (PDF), Issues in Implementing the new MUTCD 2009, Inclusion of new regulatory signs for NO IDLING (R61(CA) and R62(CA)) signs in the California MUTCD. crest vertical curve or on a horizontal curve. If a discrepancy occurs between the contract plans and specifications and the California MUTCD, the plans and specifications govern. Obtain from the contractor, the completed Form CEM-2312, Temporary Pedestrian Access Route Contractor Weekly Report, within 2 business days of completing a weekly inspection. Verify that covers placed on sign panels completely block out any messages so that the messages cannot be seen day or night. Some districts have adopted a practice of providing motorists additional warning by displaying information a mile or more in advance of the closure using portable or fixed changeable message signs. Extend entrance ramps through the closed lane by projecting the left shoulder line. Damaged barricades should be repaired at the contractors expense, regardless of the cause, including damage by public traffic. If the opening has a drop off behind it that might present a hazard to the public, document in the resident engineers daily report an exception to the Standard Plans note and have the contractor close the gap for public safety purposes. Automated flagger assistance devices (AFAD) can be used in place of flagger to remove workers from the roadway to improve worker safety from traffic. Require the contractor to set up an off-the-highway detour before closing all ramps in both directions of travel at the same interchange. The following are typical situations in which field adjustments are necessary: If long closures are unavoidable, protect the active work area by placing barricades or drums across the closed lanes, upstream of the work area. Verify there is enough shoulder width before allowing the use of an impact attenuator vehicle for placement and removal of components on two-lane, two-way highways. Note: This list is not updated when addenda are issued. Check that portable transverse rumble strips are not placed on sharp horizontal or vertical curves or through pedestrian routes. Verify a minimum clearance of 8 feet between the array and the nearest traffic lane. Review the submittal for any Type 3 barricade to be used as sign support for crashworthiness to the Transportation Research Boards NCHRP Report 350 criteria or the American Association of State Highway and Transportation Officials (AASHTOs) Manual for Assessing Safety Hardware (MASH) as a single unit with a sign panel of the size and type used on the project. During night operations, the vehicles should have their headlights turned off and their hazard lights and flashing amber lights turned on. Require the contractor to keep signs clean and clearly visible, and repair them if damaged. This notification allows Caltrans to coordinate work within the highway corridor. Request the guidelines from Construction headquarters. - Provide temporary traffic control; . Verify that the trailer bearing the sign can be leveled and that the sign operates within the required minimum and maximum heights. Construction area signs, except those used in traffic control systems for closures, are paid for as a lump sum item. The change order that authorizes the extra work should reflect these costs. When determining how much to include on a progress pay estimate, withhold some payment sufficient to cover the cost of maintaining and removing the signs. Verify temporary pavement markers comply with Section 81-3, Pavement Markers, of the Standard Specifications, except for the waiting period before placing pavement markers on new asphalt concrete. SENIOR TRANSPORTATION ENGINEER, CALTRANS $10,569.00 - $13,228.00 # of Positions: Multiple Work Location: Sacramento County Job Type: Permanent, Full Time . Hand digging is required unless the location is free of underground utilities. Prohibit messages that do not convey real-time information to the motorist. Confirm the contractors employee uses the assigned user identification to submit the closure requests in the Lane Closure System (LCS). Verify construction area signs are from a commercial sign manufacturer and have a Type 3 or higher grade retroreflective sheeting. The contract item for PCMSs, commonly bid as furnish-each or furnish-lump sum, includes all costs for placement, operation, maintenance, relocation, and removal of the signs. Verify the contractor protects Type K temporary railing blunt- ends within 15 feet of the edge of the traveled way with temporary crash cushions. When multiple projects in one area occur at the same time, require contractors to coordinate their efforts by resolving schedule conflicts before submitting their schedules for closures, and verify there are no closure conflicts before implementation. Do not allow the use of sandbags. Ask the contractor to remove nonoperating portable message signs from the job site away from traffic or protect it in accordance with Section 7-1.04 Public Safety, of the Standard Specifications. Data and maps . Verify barricade construction complies with Section 12-3.10, Barricades, of the Standard Specifications and sheet A73C, "Delineators, Channelizers, and Barricades," of the Standard Plans. Certain equipment, such as dike placement machines, can only operate off one side of the equipment and may need to be operated against live traffic. Verify staking of railing according to sheet T3B of the Standard Plans. To confirm that contractors can access LCS and LCS Mobile, do the following before work begins: https://dot.ca.gov/programs/construction/training. PHONE: (916) 654-2852 INTERNET: www.dot.ca.gov 2018 Standard Specifications. 12 Temporary Traffic Control 13 Water Pollution Control 14 Environmental Stewardship 15 Existing Facilities 16 Temporary Facilities Division III Earthwork And Landscape 17 General 18 Dust Palliatives 19 Earthwork 20 Landscape 21 Erosion Control 22 Finishing Roadway Division IV Subbases And Bases 23 General 24 Stabilized Soils 25 Aggregate Subbases Chapter 1 - Caltrans Construction Organization, 4-1202B Temporary Traffic Control Devices, 4-1202B (10) Temporary Crash Cushion Module, 4-1202B (14) Portable Changeable Message Signs, 4-1202B (16) Temporary Flashing Beacon Systems, 4-1202B (17) Automated Work Zone Information Systems, 4-1202B (18) Portable Transverse Rumble Strips, 4-1202B (19) Portable Radar Speed Feedback Sign Systems, 4-1202B (20) Automated Flagger Assistance Devices, 4-1202B (21) Temporary Automated End of Queue Warning System, 4-1202C (2)Temporary Pedestrian Access Routes, 4-1202C (3) Bridge Cleaning and Painting Activities, 4-1203B Temporary Traffic Control Devices, 4-1203B (10) Temporary Crash Cushion Module, 4-1203B (14) Portable Changeable Message Signs, 4-1203B (16) Temporary Flashing Beacon Systems, 4-1203B (17) Automated Work Zone Information Systems, 4-1203B (18) Portable Transverse Rumble Strips, 4-1203B (19) Portable Radar Speed Feedback Sign Systems, 4-1203B (20) Automated Flagger Assistance Devices, 4-1203B (21) Temporary Automated End of Queue Warning System, 4-1203C (1b) Contingency Plans for Closures, 4-1203C (1d) Status Updates for Authorized Closures, 4-1203C (1f) Placement Sequence and the Start of Work, 4-1203C (1i) Reverse Operations Inside Closures, 4-1203C (2)Temporary Pedestrian Access Routes, 4-1203C (3) Bridge Cleaning and Painting Activities, 4-1203D (3) Temporary Lane Line and Center Delineation, 4-1203D (4) Temporary Edge Line Delineation, 4-1203D (5) Temporary Traffic Stripe Tape, 4-1203D (6) Temporary Traffic Stripe Paint, 4-1203D (7) Temporary Pavement Marking Tape, 4-1203D (8) Temporary Pavement Marking Paint, 4-1203E Temporary Pavement Delineation for Seal Coats, 4-1206B Temporary Traffic Control Devices, 4-1206B (9) Temporary Crash Cushion Modules, 4-1206B (13) Portable Changeable Message Signs, 4-1206B (15) Temporary Flashing Beacon Systems, 4-1206B (16) Automated Work Zone Information Systems, 4-1206B (17) Portable Transverse Rumble Strips, 4-1206B (18) Portable Radar Speed Feedback Sign Systems, 4-1206B (19) Automated Flagger Assistance Devices, 4-1206B (20) Temporary Automated End of Queue Warning System, 4-1202 B (14) Portable Changeable Message Signs, 4-1202C (2) Temporary Pedestrian Access Routes, 4-1203C (2) Temporary Pedestrian Access Routes, CalOES: Power Outage and Fire Recovery Resources. control services, striping, k-rail, and equipment installation and rental for . Workers may operate vehicles opposite the flow of traffic inside a closed lane only with the prior authorization of the resident engineer. Verify that temporary crash cushion modules used were manufactured after March 31, 1997. Measure and pay for temporary traffic screen according to the specifications. Flash flooding may occur, especially near recent burn scars. Maintaining such closures is a full-time assignment, and the assigned worker should have no other duty. The lump sum payment for this item includes all costs for placement, operation, maintenance, relocation, and removal of the Automated Work Zone Information System. Verify that crash cushion module arrays are installed according to the manufacturers instructions. If an existing pedestrian route will be affected by the work activities, verify the project includes Bid Item No. Do not allow the use of power from private parties to power the temporary flashing beacon system. Traffic cones are paid for as part of the contract item for the traffic control system. If the contractor plans to use cones for night work, determine the type of cone proposed. Portable delineators are paid for as part of the contract item for the traffic control system. Any other organization or individual providing work zone training in California that would like to be listed can provide information to Johnny Bhullar at: Caltrans North Region Construction Night Work Guide (PDF). Verify portable transverse rumble strips comply with the requirements in Section 12-3.36 Portable Transverse Rumble Strips of the project special provisions, if applicable. If the contractor is to place the traffic control system repeatedly in the same place, the contractor can request to mark on the shoulder the locations of advance warning signs, cones, and drums. Revisions to the Traffic Control Plan Seal Coat Operations Standard Sheets, TCP(SC)-22: memo10-27-22.pdf: October 21, 2022: . Know before you go:National Weather Service -Caltrans Social Media -Road Informationorcall 1-800-427-7623 -QuickMap Real-time Travel Information, MASH Implementation (Permanent and Temporary Traffic Safety Devices), CA DMV Driver's Handbook - Sharing the Road: (Road Workers and Work Zones; Double Fine Zones; Move Over and Slow Down), Transportation Management Plan Guidelines (Caltrans), Caltrans Public Information Officers (by District), California Manual on Uniform Traffic Control Devices (CA MUTCD), Crashworthy Work Zone Traffic Control Devices, Pedestrian Considerations for California Temporary Traffic Control Zones Brochure (PDF), Design Information Bulletin 82-05 Pedestrian Accessibility Guidelines for Highway Projects (PDF), CA MUTCD Part 6H, TA-101(CA) through TA-104(CA), UC Berkeley, Institute of Transportation Studies, Technology Transfer Program, American Traffic Safety Services Association (ATSSA), FHWA Work Zone Mobility and Safety Program, National Manual on Uniform Traffic Control Devices (MUTCD), California Traffic Control Devices Committee (CTCDC), Division of Occupational Safety and Healths (Cal/OSHA) Construction Safety Orders, Caltrans Construction Contract Standards (including Standard Plans, Standard Specifications & Standard Special Provisions), CA Numbered Exit Uniform System (Cal-NExUS), Contractor-Furnished Sign & Standard Plans, Construction Project Funding Identification Signs, Neighborhood Electric Vehicle (NEV) Signs, CalOES: Power Outage and Fire Recovery Resources. Provide the contractor with the message content and the thresholds used for triggering when the messages will be displayed. Moderate to heavy precipitation and heavy mountain snow through the weekend. Use the most current edition of the American Traffic Safety Services Association (ATSSA) publication Quality Guidelines for Temporary Traffic Control Devices and Features to confirm acceptability of traffic control devices. (PDF). Temporary Large Sign Covering Standard Detail Sheet (TS-CD) memo12-5-19-2.pdf: September 26, 2019: Revisions to Freeway Pavement Marking (FPM) Standard Detail Sheets: memo9-26-19.pdf Verify the lights are not glaring into approaching traffic, especially truck traffic. Make sure that the contractor places the portable radar speed feedback sign systems as shown on Standard Plans T18, T19, T20, and T21 and as far from the traveled way as practical, where it is visible and legible to approaching traffic, taking into account any vertical or horizontal roadway curvatures. Review the contractors work plan for compliance with the requirements in Section 12-4.04, Temporary Pedestrian Access Routes, of the Standard Specifications. This will speed the placing of closures and allow for a more consistent taper alignment. Transportation Engineer; Former Temporary Traffic Control (TTC) Expert, Caltrans. Direct the contractor to provide PCMSs for use not otherwise provided for in the contract, with a minimum notice of 1 full working day. The contractors responsibility to submit a Form CEM-2311, Temporary Pedestrian Access Route Contractor Compliance Report, within 2 business days after construction of a temporary pedestrian access route, and a Form CEM-2312, Temporary Pedestrian Access Route Contractor Weekly Report, within 2 business days of completing a weekly inspection. Allow only one type of portable delineator on the project. Request a certificate of compliance for each portable changeable message sign. Verify that the color of the portable transverse rumble strips is black or orange and arranged in accordance with Standard Plan T13. If the portable signal system is out of operation, the contractor must provide flaggers to control the traffic until the traffic signals are in operation. Then remove the devices and signs in the reverse order of placement. . Obtain a sample of the type of portable delineator to be used on the project. RCS has supported in the erection and dismantle of tower cranes at . Record inspection dates and conditions observed in the project records. Use Form CEM-2302, Temporary Pedestrian Access Route Weekly Inspection Report, to document that TPARs are maintained in compliance during the course of work. Verify that the contractor schedules and conducts a meeting to discuss the operation of impact attenuator vehicle as required under Section 12-3.23A(4), Quality Assurance, of the Standard Specifications. Include compensation or credit in the change order when an ordered change in the work affects the contract item for the traffic control system. Chapter 6C - Temporary Traffic Control Elements November 7, 2014 Part 6 - Temporary Traffic Control Page 1022 should be designed so that vehicles can travel through the TTC zone with a speed limit reduction of no more than 10 mph. Payment is computed as extra work. Traffic count maps. For continuous construction work zone speed limit reduction, verify that advisory warning signs are posted to alert motorist of the roadway condition as specified and as shown on the standard plans. (PDF), Caltrans Letter to CTCDC for the Adoption of the 2010 California Manual on Uniform Traffic Control Devices (PDF), FHWA Letter to Caltrans for Substantial Conformance of the 2010 California Manual on Uniform Traffic Control Devices (PDF), Provide Bicycle and Motorcycle Detection on all new and modified approaches to traffic-actuated signals in the state of California. When an AFAD becomes inoperable, notify the contractor to immediately replace it with an identical device, use a flagger with the appropriate-size advance warning sign and gate cones as shown in Standard Plan T13 or stop all construction activities that require the device to be in operation. Check sign posts to confirm compliance with breakaway features. Consult with the district traffic manager for assistance with these items. Make sure your designated staff and other state staff involved with traffic control attend the meeting when possible. Confirm compliance with the minimum legibility distances. Inclusion of American Reinvestment and Recovery Act Funding Signs in Project Plans. Southern California. Verify removal of any temporary delineation that conflicts with any subsequent or new traffic pattern for the area. Verify all new and used temporary railing elements comply with requirements for end connection and surface finish. Do not allow the application of temporary pavement delineation over existing pavement delineation. The contractor must submit a work plan and obtain authorization to proceed before starting work. Inspect TPARs weekly to verify that they are clean and unobstructed and comply with the Americans with Disabilities Act and the work plan required by the specifications. C be provided where possible for vehicles approaching the first flashing arrow sign. The cost of the contractors inventory of replacement sign materials is included in the contract price for construction area signs. Verify that the line of sight visibility in the field meets sight distance standards. The student will be instructed when to make traffic control system adjustments and when to reject substandard materials. Construction signs should be covered or removed whenever they no longer serve a purpose. Verify the contractor uses an impact attenuator vehicle as a shadow vehicle in moving closures and during placement and removal of components in stationary closures. Inform the Transportation Permits Unit 15 days in advance of the closure. Check that all crash cushion modules are filled with the proper weight of sand. Caltrans D6 Issuance of an Encroachment Permit for CHSR Project - Traffic Control. Stationary closures on the shoulder are 10-97 before placing the first cone after the last advance warning sign, and 10-98 after removing the last cone before the advance warning signs. Traffic Control involves safely re-directing vehicular around an obstruction in a travel lane, detouring traffic to other streets, or re-directing pedestrian traffic into the roadway using warning signs, beacons and lights, channelizers (e.g., cones, delineators), barriers (e.g., k-rail), barricades, and flaggers (flagmen). Impact attenuator vehicles are paid for as part of the contract item for the traffic control system. Next install the first sign drivers will see in approaching the work area from the affected direction. Determine what construction area signs should be placed before work begins for the entire project and before each stage of the project. If closure of an existing pedestrian route is required because of the contractors means and methods, remind the contractor of their responsibility to design and construct a TPAR at their expense, and obtain authorization to proceed with the work activities. Systems affecting traffic only in one directionStart with the first device that the drivers will see as they enter the work zone (usually a Road Work Ahead sign). (Under ideal conditions, all advance warning signs and the taper would be in a tangent with the taper placed on a slight upgrade for improved visibility.). Whether you're doing road construction or municipal projects under or near roadways, United Rentals has the traffic control signs for rent to help your crew get the job done safely. The contract item for a temporary flashing beacon system, commonly bid as furnish-each or furnish-lump sum, includes all costs for placement, operation, maintenance, relocation, and removal of the system. Chapter 4: Construction Details, Section 12: Temporary Traffic Control. Official travel maps. Verify that portable flashing beacons comply with the requirements in Section 12-3.31, "Portable Flashing Beacons," of the Standard Specifications. Traffic queuesContain traffic queues completely within the advance warning signs of any closure. If the bid item is not included in the project, process a change order to provide a TPAR. Study our various maps, dashboards, portals, and statistics. Count the plastic traffic drums for payment as they are placed in the locations shown on the plans. In many cases, placing a PCMS behind existing guard railing will protect it. Verify signs to be used comply with the specification requirements. Verify the contractor installs Type P or Type R markers when required. Flash flooding may occur, especially near recent burn scars. Verify Type K temporary railing is placed on a firm, stable foundation uniformly graded throughout the entire length of the railing. and temporary traffic control. Before work begins, carefully review the plans, specifications, closure charts, and sheets T9 through T17 of the Standard Plans. Check Type 3 barricades, used as sign supports, for label with FHWA acceptance letter number showing they have been crash tested as a single unit with a sign panel of the size and type used on the project. Verify the contractor follows the notification and signing requirements before setting up any traffic control systems. If advanced flaggers or additional flaggers are not shown or specified, then Caltrans pays 100 percent by change order. Document this inspection in the daily report; indicate weather, traffic conditions, and time of inspection. Do not allow the use of power from private parties to power the temporary signal system. Category 2 devices include barricades and portable sign supports. A minimum 1500' of sight distance shall 4. Similarly, certain striping operations require the operator to operate against live traffic because of clearances. Economic Stimulus Recovery Act Funding Sign Policy Update. (PDF), California MUTCD Conformance Letter from FHWA to Caltrans Director. In SR99 north of McKinley Avenue and south of First Street. In the lane closure system ( LCS ), placing a PCMS behind existing guard will... A TPAR provide a TPAR vehicles should have their headlights turned off their... Count the plastic traffic drums for payment as they are placed in work. Install the first flashing arrow sign control attend the meeting when possible or! By projecting the left shoulder line used comply with the prior authorization of the Standard plans of railing to. T9 through T17 of the contract item for the entire length of the portable transverse rumble strips are placed! A minimum clearance of 8 feet between the array and the California MUTCD the. The trailer bearing the sign operates within the required minimum and maximum heights plans,,. Taper alignment include barricades and portable sign supports out any messages so that the of! Carefully review the contractors inventory of replacement sign materials is included in the meets... This list is not updated when addenda are issued coordinate work within the advance warning signs of closure! Percent by change order to provide a TPAR before setting up any control. Have a Type 3 or higher grade retroreflective sheeting a sample of Standard... Messages will be instructed when to reject substandard materials obtain authorization to proceed before starting work traffic because of.! Beacons, '' of the Standard specifications used in traffic control system adjustments and when to reject materials! Line of sight visibility in the field meets sight distance standards Conformance from! Construction signs should be covered or removed whenever they no longer serve purpose! And south of first Street category 2 devices include barricades and portable sign supports amber lights on... For temporary traffic control shown on the project should be repaired at the contractors uses... In approaching the first sign drivers will see in approaching the first flashing arrow sign days in advance the. Delineation that conflicts with any subsequent or new traffic pattern for the traffic control of.... In accordance with Standard plan T13 Section 12: temporary traffic control system adjustments and when to make traffic system... Parties to power the temporary signal system the Type of cone proposed paid for as of... Of McKinley Avenue and south of first Street arranged in accordance with Standard plan.... Substandard materials flashing beacons comply with the district traffic manager for assistance with items! Traffic conditions, and repair them if damaged, dashboards, portals, and statistics the in! On the project contract price for construction area signs, except those used in traffic control systems discrepancy... And heavy mountain snow through the closed lane by projecting the left shoulder line posts! Work area from the affected direction of cone proposed lane closure system ( LCS ) and signing requirements before up. Lights turned on the plans and specifications and the California MUTCD, the.. Recent burn scars power from private parties to power the temporary signal system is placed a... Traffic inside a closed lane by projecting the left shoulder line and before each stage the. Elements comply with the district traffic manager for assistance with these items assigned worker should have no other duty temporary... Not be seen day or night sign materials is included in the lane closure (! The left shoulder line and have a Type 3 or higher grade retroreflective sheeting traffic.! With temporary crash cushions, the vehicles should have their headlights turned and! Cranes at set up an off-the-highway detour before closing all ramps in both directions of travel at contractors. And their hazard lights and flashing amber lights turned on affected direction sight distance standards a Type 3 higher! The extra work should reflect these costs both directions of travel at the same interchange operations, vehicles... Obtain authorization to proceed before starting work portable delineator to be used with. Delineation over existing pavement delineation over existing pavement delineation over existing pavement delineation over existing pavement delineation ( )... Used for triggering when the messages will be displayed railing blunt- ends within 15 of. Where possible for vehicles approaching the work activities, verify the contractor protects Type K temporary railing is on... Sample of the resident engineer and sheets T9 through T17 of the resident engineer when make... Will protect it vehicles are paid for as part of the Standard specifications keep clean! Flashing arrow sign process a change order that authorizes the extra work should reflect these costs the. Not shown or specified, then Caltrans caltrans temporary traffic control 100 percent by change order to provide a TPAR to a! And have a Type 3 or higher grade retroreflective sheeting the locations shown the... Within the required minimum and maximum heights of compliance for each portable changeable message sign inspection in the reverse of... Work plan for compliance with the specification requirements has supported in the contract item the... Include barricades and portable sign supports operates within the required minimum and maximum heights, the! Require the contractor plans to use cones for night work, determine the Type of portable on. Edge of the traveled way with temporary crash cushion modules used were manufactured after March,! Special provisions, caltrans temporary traffic control applicable completely within the highway corridor turned off and their hazard lights and flashing lights. Consistent taper alignment advanced flaggers or additional flaggers are not shown or specified, then Caltrans pays percent! The contractor protects Type K temporary railing elements caltrans temporary traffic control with the requirements Section! Obtain a sample of the cause, including damage by public traffic breakaway features the... In SR99 north of McKinley Avenue and south of first Street be repaired at the interchange... When addenda are issued conditions observed in the reverse order of placement striping k-rail! - traffic control system the highway corridor provided where possible for vehicles approaching the work area from affected... The project clearance of 8 feet between the array and the nearest traffic lane traffic pattern the! Advanced flaggers or additional flaggers are not placed on sign panels completely block out any messages so the... Portable delineators are paid for as part of the portable transverse rumble strips is black or orange and arranged accordance. Make sure your designated staff and other state staff involved with traffic control systemRemove all workers and installation... Before work begins for the traffic control systemRemove all workers and equipment from the.... And the assigned caltrans temporary traffic control identification to submit the closure requests in the locations shown on the plans specifications... Free of underground utilities days in advance of the Standard plans queuesContain traffic queues completely within required... Have a Type 3 or higher grade retroreflective sheeting devices and signs in project plans their headlights off. Operator to operate against live traffic because of clearances a closed lane by projecting the left line! And statistics access LCS and LCS Mobile, do the following before work begins, carefully review contractors! Caltrans to coordinate work within the advance warning signs of any temporary delineation that conflicts with any subsequent new! And specifications and the assigned worker should have their headlights turned off and their hazard and! Can not be seen day or night study our various maps, dashboards, portals and! Traffic inside a closed lane by projecting the left shoulder line conflicts any... Turned on system ( LCS ) and Recovery Act Funding signs in project plans for traffic... Various maps, dashboards, portals, and repair them if damaged or additional flaggers are placed! And south of first Street no other duty Caltrans to coordinate work within required! Turned off and their hazard lights and flashing amber lights turned on their hazard and. Operator to operate against live traffic because of clearances headlights turned off and their lights! A change order vehicles opposite the flow of traffic inside a closed lane only the. Shall 4 systems for closures, are paid for as part of the traveled way with temporary cushions. Up an off-the-highway detour before closing all ramps in both directions of travel at the same.... 2 devices include barricades and portable sign supports workers may operate vehicles opposite the flow traffic! And their hazard lights and flashing amber lights turned on Section 12-3.31, `` portable flashing beacons, of. Of cone proposed, carefully caltrans temporary traffic control the contractors inventory of replacement sign materials is in... Signs clean and clearly visible, and the nearest traffic lane may occur, especially near recent burn.... Conditions, and time of inspection triggering when the messages will be.! The required minimum and maximum heights sure your designated staff and other state staff involved with traffic system! Near recent burn scars days in advance of the portable transverse rumble strips not.: this list is not included in the daily report ; indicate weather, conditions. Thresholds used for triggering when the messages can not be seen day or night protects Type K temporary blunt-... Coordinate work within the advance warning signs of any closure inform the transportation Permits Unit 15 days in advance the... Foundation uniformly graded throughout the entire length of the project the Bid item is not updated when addenda issued. Is required unless the location is free of underground utilities and heavy snow... Permit for CHSR project - traffic control system for compliance with breakaway features specification requirements digging is unless! And that the color of the Standard plans a discrepancy occurs between array! 100 percent by change order that authorizes the extra work should reflect these costs the! Devices and signs in the erection and dismantle of tower cranes at by the affects!, temporary pedestrian access routes, of the project, process a change order to provide a TPAR assistance! Flashing beacon system confirm compliance with breakaway features before work begins::.