Participate in the project during the planning and design phase to oversee scheduling, cost control, constructability and to bring additional expertise to project management, building technology, and bidding or negotiating of construction contracts; and during construction as the sole entity responsible for construction services. Offerors must act in the best interests of the District, using their best efforts to perform the project in an expeditious and cost-effective manner consistent with the mutually agreed to design developed through the IPD process and the District’s identified existing Educational Specifications, as modified through the IPD design process and the approved Capital budget for construction, and delivery of the project as negotiated, including agreed to changes in the work. Any successful Offeror will be under contract to provide construction services necessary to deliver a completed facility to the District for occupancy. Any successful Offeror shall hold all trade contractor, and trade supplier contracts unless otherwise stipulated in the contract documents or agreed to by change order. In addition, any successful Offeror will be responsible for methods of construction and safety, as well as for developing an overall project schedule, which will be a contractual obligation including coordination of the work of all construction and any miscellaneous contracts required for completion of the project within its predetermined budget and occupancy schedule.