The Contractor shall be required to (a) commence work under this contract within _________ [Contracting Officer insert number] calendar days after the date the Contractor receives the notice to proceed, (b) prosecute the work diligently, and (c) complete the entire work ready for use not later than ______________.* The time stated for completion shall include final cleanup of the premises.

* The Contracting Officer shall specify either a number of days after the date the contractor receives the notice to proceed, or a calendar date.

(End of clause)