O.P.S.S. rate will be paid at the invoice rate only, provided approval from the engineer was given prior to commencement of work. 

• iv. Floating charges will only be paid when the equipment is being transported within the limits of the contract on and off the site of the force account work and is not moving under its own power. When equipment is moved under its own power, the full rental rate will be paid. Payment for transporting equipment from sources outside the limits of the contract must be negotiated through the Engineer.
  
  
• v. When the Contractor wishes to use oversize equipment, he may do so upon written notice of the Engineer who will determine the rate to be paid.
  
  
• vi. When force account work is carried out by a sub-contractor, the allowance to the prime contractor will be 5% of the invoice submitted by the sub-contractor exclusive of the sub-contractor's 15% allowance. 
  
  
• vii. No payment will be made for or in respect to any tools, hand or otherwise which are considered part of the trade. 
  
  
• viii. No payment shall be made for any vehicle (pick up truck, etc ) unless it is actively necessary for the work being carried out. (i.e. the force account work is being carried out at more than one location, or the force account work is for one day or less and workers and small tools, supplies, etc. must be transported to or from another site). 
  
  
• ix. At the start of the force account work the Contractor shall provide the applicable labor and equipment rates not already submitted to the Engineer. Any subsequent invoices for rental equipment and material will be submitted for the "daily work record". (NOTE: The conditions for rental equipment invoices.)