641.06 Mobilization
606 640.06 BASIS OF PAYMENT The Department will pay for each pay item at the contract unit price per the specified pay unit as follows: Pay Item: Pay Unit:
A.FIELD OFFICE Each
B.LABORATORY Each Include the cost of utility connections and site preparation for the field office and laboratory to be included in the contract unit price for Field Office and Laboratory . The Department will pay for these items in full once in place and fully operational . If the Contractor does not maintain the Laboratory or Field Office in a working condition, the Department may reduce the amount of payment proportional to the time the facility was not in working condition.
641.01 Description
This work consists of the Contractor’s preparatory operations, including moving personnel and equipment to the project site, and establishing the Contractor’s offices, buildings, and facilities. 641. 02 MATERIALS — VACANT
641.03 Equipment — Vacant
641.04 Construction Method — Vacant
641.05 Method of Measuremen T — Vacant
641.06 Basis of Payment
The Department will pay for each pay item at the contract unit price per the specified pay unit as follows: Pay Item: Pay Unit: MOBILIZATION Lump Sum The Department will pay in two installments; except, if the first pay estimate submitted is the final estimate, the Department will pay the total lump sum bid. If the lump sum price for Mobilization is less than or equal to the “Maximum Amount Payable for Mobilization Item” as defined in Table 641:1, "Mobilization Payment Schedule," the first payment for Mobilization will be 50 percent of the lump sum price. The Department will pay this amount on the first MOBILIZATION 641.06 607 estimate following partial mobilization and construction initiation. The Department will make the final payment on the estimate following substantial mobilization . If the lump sum price for Mobilization is more than the “Maximum Amount Payable for Mobilization Item” as defined in Table 641:1, the first payment for Mobilization will be 50 percent of the “Maximum Amount Payable for Mobilization Item.” The Department will pay this amount on the first estimate following partial mobilization and construction initiation. The Department will pay the remaining 50 percent of the “Maximum Amount Payable for Mobilization Item” on the estimate following substantial mobilizati on. The Department will pay the difference in the lump sum price for Mobilization and the “Maximum Amount Payable for Mobilization Item” (the overbid amount) when the project is complete in accordance with Subsection 105.17.B, “Project Completion.” Estimates are due in accordance with Subsection 109.06, “Progress Payments.” The Department will not consider mobilization in determining this date. The Department will not pay for demo bilization and remobilization due to shutdowns, suspensions of the work, or other mobilization activities. For contracts that include multiple tied projects, the “Total Original Contract Amount Including Mobilization” in Table 641:1 is the sum of the origi nal contract amounts of the separate tied projects. For contracts that contain multiple mobilization items, the sum of mobilization items will be subject to the limitation of the “Maximum Amount Payable for Mobilization Item.” The Department will pay lump sums for mobilization in accordance with the following: The Resident Engineer’s field office and laboratory is a separate pay item not included in this work. Table 641:1 Mobilization Payment Schedule Total Original Contract Amount, Including Mobilization, $ Maximum Amount Payable For Mobilization Item 0 – 500,000 10% of total contract amount 500,001 – 4,000,000 $50,000 + 5% × (total contract - $500,000) >4,000,001 $225,000 + 4% × (total contract - $4,000,000)
642.04 Construction Staking
608 SECTION 642 CONSTRUCTION STAKING
642.01 Description
This work consists of providing, placing, and maintaining construction layout stakes for the proper prosecution and inspection of the work.
642.02 Materials — Vacant
642.03 Equipment — Vacant
642.04 Construction Methods
Stake the line and grade of construction features. Depending on the availability of the Department’s survey staff, the Contract may require either Construction Staking – Level I or Level II.
A.Construction Staking – Level I
1.Department Responsibilities The Department will perform the following construction staking activities: Locate and reference the centerline or control line of permanent construction; Stake the right -of-way lines; Identify and verify bench marks; Take original and final cross sections for earthwork construction features to obtain volumes for pay quantities; Set major control points on the tangents and at the beginning and ending points of curves on th e centerline or control line; and Establish bench marks for bridges and special structures. If the survey centerline and the construction reference line are not the same, the Resident Engineer will set the major control points on the construction reference line.
2.Contractor Responsibilities Perform the following construction staking activities: Set additional stakes and other horizontal or vertical controls to establish a correct work layout; Stake the centerline or control line of temporary features; If the Contract requires measurement of earthwork quantities using photogrammetry, clear and grub the required area for the project before taking the original photos or beginning the excavation work; Place stakes for line and grade to maintain the tolerances specified in the Contract for the operation being performed; and
Source: Oklahoma Standard Specifications for Highway Construction, 2019 Edition. Pages 620–621 of 935.