Specifications include, but are not limited to: 6.1. Contractor agrees to conduct all services under the contract by and through appropriate communications as required by TPWD. 6.2. Contractor understands and agrees that work, installation or any other service performed without the prior written approval of TPWD is work outside the scope of this contract and shall be performed exclusively at Contractor’s risk and own expense. 6.3. Contractor is responsible for all materials and equipment stored at the work site. 6.4. Contractor shall keep the premises clean on a continual basis and is responsible for the prompt removal of all debris, litter, waste materials, and rubbish regularly throughout the project. 6.5. Contractor shall be solely responsible for the safe operation of all equipment used and for the safety of all personnel employed by or under contract to the Contractor. 6.6. Contractor shall be solely responsible for any damage attributable to Contractor’s operation. Contractor, at its own expense, shall repair any such damage immediately. The repair work is subject to acceptance by TPWD. 6.7. Contractor shall provide all labor, equipment, supervision and any other necessary incidentals and materials to complete the project. 6.8. Contractor shall be solely responsible for maintaining safety at all work sites. Contractor shall take all reasonable steps to ensure safety for both workers and the public, including traffic control. 6.9. Contractor may be permitted to leave heavy equipment onsite per TPWD staff’s direction. TPWD will not be responsible for contractor equipment left onsite. 6.10. Unless otherwise specified herein, the Contractor shall furnish and pay for all labor, materials, equipment, tools, construction equipment, and machinery, water, heat, utilities, transportation, and other facilities and services necessary for the proper execution and completion of this contract.