Section 3: Project Time

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Contract Time

Unless otherwise shown in the contract time, begin working day charges 15 calendar days after the date shown in the “Authorization to Begin Work” letter. For contracts involving multiple work orders, such as a traffic signal project, begin working day charges as established for each individual work order. Charge working days in accordance with the contract as specified in Article 8.3.A., “Working Day Charges,” of the Standard Specifications.

Do not suspend working day charges without suspending work. Do not suspend working day charges or grant additional contract working days for activities relating to handling hazardous material delivered by the contractor. For Five-day Workweek, Six-day Workweek, Seven-day Workweek, and Calendar-day contracts, do not consider weather conditions or material availability when suspending working day charges. Consider increasing the number of contract working days under extraordinary circumstances.

Do not allow the contractor to perform work on a national holiday or Sundays unless authorized, for all but seven day and calendar day projects. Provide written authorization to the contractor if work will be allowed on a national holiday. For a standard workweek project, allow the contractor the option of working on state holidays. See the following table for a list of national holidays.



New Year’s Day

January 1

Memorial Day

Last Monday in May

Independence Day

July 4

Labor Day

First Monday in September

Thanksgiving Day

Fourth Thursday in November

Christmas Eve

December 24

Christmas Day

December 25

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Temporary Suspension of Work or Working Day Charge

When work is suspended, wholly or in part, provide written notice and reasons of suspension to the contractor. Provide written notice to the contractor to resume work. When only a portion of the work is suspended, working day charges may be suspended only when conditions not under the control of the contractor prohibit the performance of critical activities. Suspend working day charges when all of the work is suspended for reasons not under the control of the contractor.

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Reasons for Temporary Suspension of Work

Work may be suspended for the following reasons:

  • failure to comply with the contract or supplemental agreement
  • failure to keep insurance coverage in force as provided in Article 7.4, “Insurance and Bonds,” of the Standard Specifications
  • failure to provide workers or equipment as provided in Article 8.9, “Workers and Equipment,” of the Standard Specifications
  • abandonment of work or default of contract upon written notice as provided in Article 8.6, “Abandonment of Work or Default of Contract,” of the Standard Specifications
  • unsuitable weather or soil conditions
  • unusual conditions which affect the work and are not usually associated with the highway construction
  • conditions which threaten the safety of the workers, public or nearby property.
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