6-152 SECTIO N 632 – RAILROA D FLAGGERS
632.0 1 DESCRIPTION . This work shall consist of maintaining Operating Railroad traffic and
coordinating with the Agency and the Operating Railroad for inspection and review of the Contractor’s work in conjunction with construction operation s. A railroad flagger shall be requested any time construction operation s will be within 25 feet of the nearest rail or within the Operating Railroad right -of- way, whichever is furthest.
632.0 2 GENERA L REQUIREMENTS . A railroad flagger shall be a person who is furnished, employed,
and qualified by the Operating Railroad . When, as stipulated in the Contract , or in the opinion of the Engineer and the Operating Railroad, the construction work would cause hazard to the safe operation of trains and other facilities in the Operating Railroad right -of-way, including signal and communic ation lines, the Operating Railroad will furnish the necessary qualified employees to protect their trains and other facilities. The Contractor shall provide advanced notice to the Operating Railroad prior to the commencement of any work , or any portion of the work , over or adjacent to the Operating Railroad right -of-way, so that necessary arrangements can be made by the Operating Railroad to protect Operating Railroad traffic. Railroad flaggers shall be required whenever the Contractor is performing work over, under, or adjacent to the Operating Railroad tracks or right -of-way, such as excavation, sheeting, shoring, erection or removal of forms , or handling material . Railroad flaggers sha ll also be required whenever equipment is used which , by swinging over or by failure , could foul the track, or when any other type of work is being performed that, in the opinion of the Engineer or the Operating Railroad, requires such service. The Contrac tor shall be required to plan, coordinate, and organize the work effort in a way that shall absolutely minimize the use and number of Operating Railroad protective personnel required . The Agency and the Operating Railroad will review and approve all Contra ctor work schedules prior to the commencement of work and prior to the assignment of protective personnel . Misuse of these protective services by the Contractor due to inadequate work procedures will not be allowed and shall be sufficient cause for the Age ncy to require the Contractor to bear all inappropriate costs. Operating Railroad train crews necessary for the operation of Contractor -scheduled work trains or Contractor -owned or leased locomotive equipment shall not be paid by the Agency under this section , as all such costs will be considered incidental to the Contractor’s work and therefore shall be entirely borne by the Contractor. 6-153 632.0 3 CONSTRUCTIO N REQUIREMENTS . The Contractor shall obtain verification of th e time and schedule of track occupancy from the Operating Railroad before proceeding with any construction or demolition work over, under, within, or adjacent to the Operating Railroad right -of-way. All work to be done under, upon, or over the Operating Railroad right -of-way shall be performed by the Contractor in a manner satisfactorily to the Engineer and shall be performed at such times and in such manner as to not interfere with the movement of trains or traffic upon the tracks . The Contractor shall use all necessary care and precaution to avoid accidents, delay, or interference with the trains or other property. The Contractor shall conduct the work and handle equipment and material s so that no part of any equipment should foul an operated track or wire line without the written permission of the Operating Railroad. When it is noted that the work will foul an operating track, the Contractor shall give the Operating Railroad written notice 15 calendar day s in advance so that, if approved, arrangements can be made for proper protection of the railroad .
632.0 4 Submittals .
a.At the preconstruction meeting, the Contractor shall submit for approval by the Agency a detailed description of proposed methods for accomplishing the construction work required under the Contract, to include methods for protecting Operating Railroad traffic . Approval by the Agency shall not serve in any way to relieve the Contractor of complete responsibility for the adequacy and safe ty of the proposed methods.
b.Prior to beginning work , the Contractor shall submit for the approval of the Engineer a detailed description of the procedures for work to be performed over, under, within, or adjacent to the Operating Railroad right -of-way. Work shall not proceed until the proposed procedures have been approved by the Agency.
632.0 5 METHO D OF MEASUREMENT . The quantity of Railroad Flaggers (N.A.B.I.) to be measured
for payment will be in a quantity of dollars for the specified flagging and protective services provided.
632.0 6 BASIS OF PAYMENT . A value in dollars has been included in the bid proposal for flagging and
protective services . Payment for Ra ilroad Flaggers (N.A.B.I.) will be for reimbursing the Contractor for the actual invoice amounts paid to the Operating Railroad by the Contractor for flagging and protective services . The Contractor ’s overhead will not be reimbursed. 6-154 The dollar amount will be adjusted to the actual amount paid to the Operating Railroad for flagging and protective services, after review and approval of paid invoices . No additional payment will be made under this item. All other costs for coordination and railroad flaggers in accordance with these provisions will be considered incidental. If the Contract is not completed within the specified time limit for completion of the Contract (or authorized extended time), no payment will be made for any costs incurred beyond the specified time of completion. Payment will be made under: Pay Item Pay Unit
632.10 00 Railroad Flaggers (N.A.B.I.) ................................ ................................ .....Dollar
6-155 SECTIO N 633 – CRITICA L PATH METHOD SCHEDULE
633.0 1 DESCRIPTION . This work shall consist of developing and furnishing a critical path method
(CPM ) schedule, including narratives, updates, and revisions for the duration of the Contract. If item 633.10 00 is included in the Contract, t he provisions of this section shall supersede those of Subsection 108.03(a) .
633.0 2 Submissions .
a.Scheduling Contract Work . The Contractor is respo nsible for the scheduling of all Contract work , which shall include, but is not limited to subcontracted work , complete and acceptable submissions, work component fabrications, and delivery of material s. The schedule shall include allowance for time for all aspects of the work including sufficient time for the Agency to perform its functions as indicated in the Contract, including , but not limited to , acceptance inspection or testing and review and accepta nce or approval of any submittals required in the Contract .
b.Gantt Chart . The schedule shall be a Gantt chart prepared with Microsoft Project. The following items shall be included with each schedule submission:
1.An electronic copy in Microsoft Project format with run date and version of the schedule.
2.A PDF illustrated in color, depicting no more than 50 activities on each 11 inch × 17 inch sheet, and with each sheet including title, project name and number, ma tch data for diagram correlation, and a key.
3.A four -week, look -ahead narrative to provide a more detailed plan of upcoming work highlighting the near -term priorities . The Contractor shall i ndicate the anticipated workdays per week, number of shifts per day, number of hours per shift, crew sizes, and assumed resources . If the project requires a closure, the Contractor shall identify any changes in anticipated resources or work schedule during the closure period.
c.CPM Schedule . The CPM schedule shall i nclude the following items:
1.Activities that describe the essential features of the work , activities that might delay Contract completion, and which activities are on the critical path.
2.The planned start and completion dates for each activity and th e duration of each activity stated in work ing days. Field activities more than 15 work ing days in duration shall be broken into two or more activities distinguished by location or some other logical feature . This estimated figure shall include considerations for permit limitations, seasonal limitations, and any other anticipated delays.
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Source: Vermont Standard Specifications for Construction, 2024 Edition. Pages 926–928 of 1,380. View official source ↗