428 ALASKA 2020 SECTION 646
646-1.01 DESCRIPTION . Provide and maintain a Critical Path Method (CPM) progress schedule
for the project. Use the schedule in coordinating and monitoring of all work under the Contract including activity of subcontractors, manufacturers, suppliers, and utility companies, and re views by the Department. Update CPM, as required. Provide work plans.
646-2.01 Submittal O F Schedule.
Submit a detailed initial CPM schedule at least 5 working days prior to the preconstruction conference, for the Engineer's approval. Meet the requirement s set forth below. The construction schedule, for the entire project, may not exceed the specified contract time. Following the Engineer's review, if revisions to the proposed CPM schedule are required, do so promptly. The CPM schedule must be finalized an d accepted before beginning construction work.
646-3.01 Requirement S and Use of Schedul E.
1.Schedule Requirements . Prepare the CPM schedule as a Precedence Diagram Network developed in the activity -on-node format which includes:
a.Activity description
b.Activity duration
c.Resources required for each of the project activities, including:
1.Labor (showing work days per week, holidays, shifts per day, and hours per shift)
2.Equipment (including the number of units of each type of equipment)
3.Materials Show on the activity -on-node diagram the sequence and interdependence of all activities required for complete performance of all items of work under this Contract, including shop drawing submittals and reviews and fabrication and delivery activities. No activity duration may be longer than 15 work days without the Engineer's approval. The Engineer reserves the right to limit the number of activities on the schedule. Consider that schedule float time is shared equally with the Department. The contract completion time will be adjusted only for causes specified in this Contract.
2.Schedule Updates . Hold job site progress meetings on a frequency satisfactory to the Engineer for the purpose of updating the CPM schedule. Review progress and verify finish dates of completed activities, remaining duration of uncompleted activities, and any proposed logic and/or time estimate revisions. Submit a revised CPM schedule, within 5 working days after this meeting, showing the finish dates of completed activities and updated times for the remaini ng work, including any addition, deletion, or revision of activities required by Contract modification.
3.Work Plans . In addition to the CPM schedule, submit a work plan every two weeks during construction detailing your proposed operations for the forthcomi ng two weeks. Include: 429 ALASKA 2020 a. work activities
b.manpower involved by trade
c.work hours
d.equipment involved
e.location of the work to be performed
646-4.01 METHOD OF M EASUREMENT. See Section 109.
1.Upon approval of CPM and work plan, 15 percent of the amount bid on the p ay item.
2.Starting in the month after approval of CPM through estimated month of project completion, equal monthly payments that total 75 percent of the amount bid on the pay item.
3.Upon project completion, the remaining 10 percent of the amount bid on the pay item.
646-5.01 Basis of Pa Yment.
Non- compliance with CPM Schedule update requirements is considered unsatisfactory performance and may result in withholding progress payments according to subsection 109- 1.06. Payment will be made under: PAY ITEM Item Number Item Description Unit 646.0001.____ CPM Scheduling LS 430 ALASKA 2020 SECTION 649 GOVERNOR’S WORKFORCE DEVELOPMENT (RESERV ED)
Source: Alaska Standard Specifications for Highway Construction, 2020 Edition. Pages 456–457 of 584.