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. When changes are necessary, make one change at a time. SignsReview sign line of sight visibility and verify it complies with Section 12-3.11, Construction Area Signs, of the, Vertical and horizontal curvesVerify tapers are visible for their entire length to approaching traffic. Safety reviews conducted during the projects development may identify other deciding factors. Caltrans District 7 (@CaltransDist7) / Twitter LAKESIDE. Verify temporary pavement delineation is maintained until it is replaced with the permanent pavement delineation. Resolve any accounting differences between the information Caltrans gives the CHP and the internal information CHP obtains from its payroll system. Direct the contractor to remove any temporary pavement delineation that conflicts with the permanent pavement delineation. When necessary, ask the contractor to adjust placement or message content of signs based on changing project or traffic conditions. Scheduled Times: 8:00 a.m. to 4:00 p.m. Expected Delay from Traffic Control due to Road Closure. @CHP_Chico. Do not permit any closures until the contractor submits this plan and it is authorized in accordance with the specifications. Damaged barricades should be repaired at the contractors expense, regardless of the cause, including damage by public traffic. Anticipated times to place and compact temporary asphalt tapers once paving is complete and before opening to traffic. All contract plans and special provisions must include a traffic control plan, which may include T Series Standard Plans, detour plans, or motorist information plans. ROAD TYPE DISTANCE BETWEEN SIGNS A B C RURAL EXPRESSWAY / FREEWAY 100 350 500 1000 350 500 350 500 1500 2640 For speed of 45 mph or more, L = WS For speed of 40 mph or less, L = WS/60 * - For other offsets, use the following merging taper length formula for L: * URBAN - 25 mph OR LESS URBAN - MORE THAN 25 mph TO 40 mph URBAN - MORE THAN 40 . The resident engineer should determine which contractor activities might use COZEEP support. Verify the required signs are placed during the cleaning and painting activities and removed at the end of each work shift. Adjustments should be made to create adequate sight distance, to avoid locations that require drivers to make multiple decisions, to accommodate expected queues, and to coordinate activities at multiple locations. CalTrans Lane & Road Closures SR-14 North Wed Mar 1 2023, 9:01AM Lasting 6 hours Full closure lasting 6 hours on Off Ramp for Road Maintenance affecting All lane (s) in District: 7 From: Antelope Valley Freeway, Route 14 Newhall to Placerita Canyon Rd Newhall View on Google Maps ID: C14CA-0003-2023-03-01-09:01:00 Wed Mar 1 2023, 9:01AM This map shows all of Caltrans current projects (792 ongoing construction contracts). The contractor is responsible for accommodating pedestrians through or around the work zone whenever the work disrupts pedestrian facilities. Confirm the contractor submits a schedule of planned closures in advance as required by Section 12-4.02A(3), Submittals, of the Standard Specifications. During routine visits to the project, construction engineers should also review signing, delineation, construction contingency plans, and general traffic handling. Verify the traveled way is free of obstructions and residue before opening the area to traffic. Do not allow the use of power from private parties to power the temporary signal system. During these reviews, examine the locations of planned roadside obstacles as well as protective safety devices, signs, striping, detours, falsework, temporary railing, attenuators, and clear recovery zones. The cost of covering, uncovering, and removing signs (when they are no longer needed) is included in the contract price for construction area signs. To implement COZEEP, use the guidelines below, intended to apply COZEEP resources more uniformly throughout the state. The contingency plan identifies alternative or additional equipment, materials, or workers necessary to allow continuing activities and on-time reopening of closures if a problem occurs. Reviewing periodically the traffic control setup for each work zone and discussing any deficiencies with the resident engineer. Pedestrians, including persons with disabilities, need to be accommodated through and around work zones. The last level of review will be the COZEEP statewide coordinator. Caltrans is working to clear the roads in order to reopen them. Select a District or Statewide to start. The cost estimate used in the plans, specifications, and estimate is based on the expected number of events needing COZEEP identified during project development. Review Sections 12-6, Temporary Pavement Delineation and 84-2, Traffic Stripes and Pavement Markings, of the Standard Specifications for temporary pavement delineation requirements. If a contractor is unable to access the LCS Mobile web page, obtain the closure status from the contractor and notify the transportation management center. Visualize what effects changing conditions of visibility and lighting will create. 18h. Section 12, Temporary Traffic Control, directs the contractors attention to the. In general, closures on two-lane highways and daytime closures on multi-lane highways do not require COZEEP. Make sure your designated staff and other state staff involved with traffic control attend the meeting when possible. If advanced flaggers or additional flaggers are not shown or specified, then Caltrans pays 100 percent by change order. If the contractors activities require the closure of one accessible pedestrian facility, provide a travel path that replicates, if possible, the most desirable characteristics of the existing walkway. Verify that traffic handling devices meet the visibility and legibility requirements. If a system shutdown occurs, planned or unplanned, the contractor should provide flaggers to control traffic until the traffic signals are functioning correctly. Require the contractor to keep signs clean and clearly visible, and repair them if damaged. Other closures determined on a project-specific basis. If the portable transverse rumble strips become out of alignment or skewed by more than 6 inches, have the contractor readjust them to the original location. A spreadsheet may be used for the summary. PDF Lane closure FINALEDIT - publications.iowa.gov A set of contingency action plans for each stage of the activities to prevent late opening of the traffic lanes. The following guidelines are intended only to guide engineering judgment and ingenuity: Following are guidelines for the design of roadways carrying traffic through work zones. Scheduled Road Closures and Traffic Controls - San Diego County, California Midblock worksites should not cause pedestrians to skirt the worksite or make a midblock crossing. BOX 942874, MS-32 SACRAMENTO, CA 94274 PHONE (916) 653-0548 Making Conservation TTY 711 a California Way of Life. Where the prevailing speed of the approach is limited by alignment, the design speed should be equal to the prevailing speed of the approach roadway. Review the Public Safety section in the contract. Capital projectsif insufficient funds are available in both supplemental work funds and contingency funds, propose a fund request. The closure requests are stored with a SAVED status. Caltrans. Caltrans requires TMPs for all planned activities on the State Highway System. Lane Closure System - Caltrans :: Commercial Wholesale Web Portal Traffic cones are paid for as part of the contract item for the traffic control system. Caltrans does not pay for providing the TPAR when the pedestrian route closure is the result of contractors means and methods. Verify that automated flagger assistance devices (AFAD) comply with the requirements in Section 12-3.38 Automated Flagger Assistance Devices of the Standard Specifications. Request the guidelines from Construction headquarters. Reason for Traffic Control for Water Replacement Project by Lakeside Water District. Workers may operate vehicles opposite the flow of traffic inside a closed lane only with the prior authorization of the resident engineer. Verify the contractor delineates a PCMS with a taper consisting of nine traffic cones. The following procedures are intended to assist resident engineers in obtaining and tracking COZEEP services and to help Caltrans reconcile the CHP billing system and facilitate payment to the CHP. Directing the contractor to move the portable flashing beacon after initial placement is change order work. Verify that pallet height is 4 inches or less. Create a physical facility that will encourage motorists to appropriately guide their vehicles on the intended path of travel and make it possible for the vehicle to perform as intended. Otherwise, Federal (MUTCD) codes are shown. On every project that requires the contractor to close traffic lanes, the project engineer should assess the need for COZEEP as part of the projects safety review, constructability review, or both. Shift traffic to one side or the other, but do not split it into two traffic streams. Contractor will collect 7 day 24 hour traffic counts from Caltrans. Review Section 12-3.11, Construction Area Signs, of the Standard Specifications for additional requirements. Use an appropriate material, such as asphalt concrete, for the surface of all roadways and detours, except very temporary or minor facilities. Verify contractors are assigning personnel and maintaining closures in accordance with the T Series Standard Plans. Review Section 12-4.05, Bridge Cleaning and Painting Activities," of the Standard Specifications. CHP officers are supposed to be assigned from the nearest local office. Refer to Part 6, Section 6H, Typical Applications, and figures 6H-28 and 6H-29 of the California MUTCD. If the contractor requests usage of alternative temporary crash cushion modules, verify that their proposed modules are on the Authorized Material List for Highway Safety Features. Document the reasons for COZEEP use. Alert Caltrans Traffic Map Chain Control Map Route Conditions State Route Closures CHP Incidents TMC ALERT Interstate 10 (I-10) is closed between Route 86 and Route 177 due to storm damage. Verify the contractor removes or covers any construction area signs that duplicate or contradict the signs for a project within 250 feet of another project. The COZEEP coordinator must verify invoices received from CHP against the tracking expenditures spreadsheet. In accordance with Caltrans policy, no undelineated roadway can be opened to unrestricted or uncontrolled traffic. Traffic Control Plans and Detour Plans - Sacramento County, California 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. If flaggers are to be used, have flaggers take their stations; then move workers and equipment onto the road. All closure information is continually updated and subject to change. For this reason, district coordinators should not return an invoice to the CHP because the billing rates shown on the invoice do not agree with the rates in the contract. Refer to Section 8-1.06, Suspensions, of the. Verify Type K temporary railing is placed on a firm, stable foundation uniformly graded throughout the entire length of the railing. Verify the planned temporary signal system includes a backup power source and automatic transfer switches. During the inspection process, check that all contractor-installed finished elements comply with dimensions and installation requirements. Both the senior officer and the project supervisor should sign the completed COZEEP daily report. Each flag shall be at least 16" x 16" Dansher Rd. Such conditions may alter the apparent pattern of the roadway and cause an eradicated line to appear to be a lane line. End-of-queue management is desirable at locations where traffic queues are anticipated. According to the Authorized Material List for Signing and Delineation Materials, 0.5 inch Intelplast Intelcel or similar material is authorized and according to FHWA Work Zone Letter 85 from the FHWAs Safety Program website, this type of sign substrate is authorized for use on Type 3 barricades. To avoid having to obtain more than one speed reduction order per project, verify that the limits requested in the order cover the maximum distance where reduced speed would be required at any time during the life of the contract. Refer to Section 12-4.02C(10), End of Queue Monitoring and Warning With Truck Mounted Changeable Message Sign, of the revised, Multiple closures and inter-project coordinationAvoid multiple closures with overlapping sign patterns. Require ballast for drums according to manufacturer specifications. Refer to Section 5-1.20 Coordination with Other Entities, of the Standard Specifications, if applicable, and the special provisions. The cost estimate should include an estimated number of COZEEP service hours and travel time converted into an equivalent dollar cost. Inspect the signs and equipment the contractor proposes to use, at the contractors or subcontractors yard if possible, before their first use. Obtain a copy of the manufacturers operating instructions. Initiate and obtain CHP sign-off of Form CEM-2101, COZEEP Daily Report. At the end of each day, report to the district COZEEP coordinator the COZEEP services used during that week. Discuss the contingency plan at the project partnering or preconstruction meeting. If the contractor cannot address the traffic safety issue and it is not safe to suspend the work, request that the contractor take all steps necessary to provide for traffic safety and allow only the work to continue that had started at the time the issue was recognized. The following determine the safe speed of a vehicle: Design the temporary roadway for speeds consistent with the permanent roadway. TMP strategies are designed to maintain additional delays below this maximum threshold, that is, less than 15 or 20 minutes. Under the agreement, Caltrans pays the CHP for furnishing officers and cars for construction zones. Supplemental construction work may be necessary to retain the existing roadways effective operating characteristics. If the contractor requests modifications to the contract traffic control plans, refer them to Section 7-1.04, Public Safety, of the. Users include motorists, bicyclists, and pedestrians within the highway, including persons with disabilities, defined by the Americans with Disabilities Act of 1990 (ADA). The resident engineer must email service requests, daily reports, cancellation forms, and tracking spreadsheets to the COZEEP coordinator on a monthly basis. Also, when possible, use barrier vehicles or an impact attenuator vehicle between the approaching motorist and workers on foot. The special provisions provide detail for railroad requirements including contractors responsibilities with the railroads to move materials or equipment within the limits of the railroad property. Acts as the single focal point for all traffic decisions resulting from planned activities on the State Highway System. Verify that all traffic control devices are correctly placed and functioning properly. Once the district COZEEP coordinator receives the COZEEP daily reports, they should be logged into the COZEEP service summary to track COZEEP use. For public convenience, such as routing traffic through detours when not shown on the plans and when ordered by the engineer, providing flaggers is change order work for which Caltrans pays 100 percent. For details related to preconstruction conferences, refer to Section 5-003, Preconstruction Conferences with the Contractor, of this manual. Verify that no fixed objects, such as cabinets or poles, will reduce the path width at any point. For details related to preconstruction conferences, refer to Sections 5-002, Preconstruction Conference with Caltrans Personnel, and 5-003, Preconstruction Conference with the Contractor, of this manual. Caltrans began a major project to retrofit the San Francisco-Oakland Bay Bridge to current seismic design standards in summer 1998 and expects to complete the work by winter 2014. . Request a certificate of compliance for each portable changeable message sign. 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. If the contractor requests additional CHP support beyond what the project plan includes, you may, if appropriate, write a change order. If the proposed materials have been previously used, check them for acceptability listed in the ATSSA publication. Construction staff needs to complete the job-related temporary pedestrian facilities training within 6 months of assignment to inspect or administer contracts if they have not taken the online training within the previous 3 years. Check that portable transverse rumble strips are not placed on sharp horizontal or vertical curves or through pedestrian routes. TMPs should be consistent with the Final Rule guidelines for developing and implementing the policy. Caltrans | Edhat Confirm the sign is placed where it is most visible to approaching motorists. The contractor develops a construction contingency plan to identify activities, equipment, processes, and materials that may delay reopening of closures in the event of failure or breakage. Measure and pay for temporary traffic screen according to the specifications. Perform additional reviews periodically throughout the construction project, since changes may affect the facilitys effectiveness. Chapter 4: Construction Details, Section 12: Temporary Traffic Control. Temporary full freeway closures of all lanes in the same direction of travel. This requirement may mean closing an extra lane. Keep pedestrian facilities clear of obstructions. 4-1202C (1a) Lane Closure System 4-1202C (2) Temporary Pedestrian Access Routes 4-1202C (3) Bridge Cleaning and Painting Activities 4-1202D Temporary Pavement Delineation 4-1202D (1) Temporary Pavement Markers 4-1203 During the Course of Work 4-1203A Flagging 4-1203B Temporary Traffic Control Devices 4-1203B (1) Traffic Cones Critical stage for each operation when the alternative or additional equipment, materials, or workers must be activated. Reducing standards on existing roadways, such as sharpening curves and shortening auxiliary lanes, can adversely affect operating characteristics. Temporary crash cushions may be installed on wooden pallets as an option. The purpose of the gaps is to allow drivers and passengers of vehicles to get behind the barrier in case of a disabled vehicle. Retroreflective sleeves on traffic cones. A median barrier, bridge rail, or retaining wall may block worker escape routes. 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. Lane Closure System (LCS) Mobile Statusing - California The covers should also present a workmanlike appearance. The CHP sorts and subtotals the COZEEP service summary by project, including cost information. The objective of traffic control is to provide for worker protection and the safe passage of public trafficincluding bicycles, motorcycles, and pedestriansthrough and around the work zone with as little inconvenience and delay as possible. Section 124 of the California Streets and Highways Code authorizes Caltrans to close or restrict the use of any state highway whenever it considers such actions necessary for these reasons: Closures may also be necessary after major earthquakes or other natural disasters. Use of 180-day temporary pavement markers on an open-graded surface is not advised; when removed, the marker glue can peel up the open grade. Confirm that changeable message signs, highway advisory radio, and other media tools provide accurate and timely information to motorists regarding closure times. Field adjustments to the traffic handling plans are frequent occurrences. Do not allow the contractor to mix different types of temporary traffic control devices on the same alignment. Confirm portable signal systems comply with the requirements in Section 12-3.33, Portable Signal Systems, of the Standard Specifications. The ideal transition is on a horizontal tangent with a slightly rising grade at the end of a level approach. In addition to adjustments for ordered changes, process change orders that adjust compensation when increased or decreased closures are required because of underruns or overruns in the engineers estimated quantities. The contractor must submit a work plan and obtain authorization to proceed before starting work. The contractor develops a contingency plan and submits it within 1 day of the resident engineers request or as specified in the Standard Special Provisions. Every five minutes LCS reports all approved closures planned for the next 7 days, plus all current lane, ramp, and road closures due to maintenance, construction, special events, etc. Samples of activities that may require a contingency plan: A construction contingency plan describes: The contractor verifies or updates the contingency plan at the same time as submitting the written schedule of planned closures. Maintaining such closures is a full-time assignment, and the assigned worker should have no other duty. Traffic control systems conform to the Standard Plans, unless the contract specifies otherwise. If a revision is required, the contractor should not close any lanes until the resident engineer has reviewed the contingency plan. Do not allow the use of sandbags. Require at all times the presence on the job of personnel representing the contractor who are capable of and empowered to make decisions quickly if the need arises. Do not allow the use of epoxy adhesive to place pavement markers in areas where the removal of the pavement markers is required. Before opening a roadway to unrestricted public traffic, the final delineation must be in place on the roadway either by using long-term or short-term temporary delineation or channelizing devices. For example, if the number of lanes is reduced and the direction changed, complete the lane drop before starting the alignment change. Verify a minimum clearance of 8 feet between the array and the nearest traffic lane. Impact attenuator vehicles are paid for as part of the contract item for the traffic control system. When conditions prevent starting the temporary surfacing at a square joint on the existing pavement, a treatment such as a light sand seal can establish the continuity of the traveled lane. Verify the crash cushion array is in place before opening traffic lanes adjacent to the protected obstacle. At the preconstruction conference, remind the contractor to maintain an inventory of commonly required items at the job site and arrange for sign panels, posts, and mounting hardware or portable sign mounts to be furnished on short notice. Record inspection dates and conditions observed in the project records. Cold storms bringing wind, rain and low-elevation snow heavy at times are forecast through early March. PDF 2010 Standard Plan T10 Lane Closure With Partial Shoulder Use The project engineer should consult with the resident engineer to determine which specific construction operations should use COZEEP and use that as the basis of the initial funding. Make every effort to resolve disputes at the lowest level such as between the resident engineer and the CHP coordinator at the local CHP area office. Achieving this transition is worthwhile, even though it may extend the traffic control system farther than the minimum necessary to clear the work zone. Visit Quickmap@dot.ca.gov for latest road info. PDF TYPICAL LANE CLOSURE - California The reviewer should determine that the plan can be implemented and that it adequately facilitates the movement of trafficincluding bicycles, motorcycles, and pedestrians.
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