(b) Promptly pay for all labor, material, or other service rendered.

(c) Procure and thereafter maintain such insurance in such forms and in such amounts and for such periods of time as the Contracting Officer may approve or require.

(d) Procure all necessary permits and licenses, and obey and abide by all laws, regulations, ordinances, and other rules applying to such work of the United States of America, of the State or Territory wherein such work is done, of any subdivision thereof or of any duly constituted public authority.

(e) Unless this provision is waived by the Contracting Officers, insert in every contract made by it for the furnishing to it of services, materials, supplies, machinery, and equipment, or the use thereof, for the purposes of the work hereunder, a provision that such contract is assignable to the United States, will make all such contracts in its own name, and will not bind or purport to bind the United States or the Contracting Officer thereunder.

(f) In every sub-contract made in accordance with the provisions hereof, require the sub-contractors to agree to comply with all the undertakings and obligations of the contractor, herein, excepting such as do not apply to such subcontractor's work.

(g) At all times keep at the site of the work a duly appointed representative, who shall receive and execute on the part of the Contractor such notices, directions and instructions as the Contracting Officer may desire to give.

(h) At all times use its best efforts in all its acts hereunder to protect and subserve the interest of the. Contracting Officer and the United States.

Article VII. Right to Terminate Contract

Should the Contractor at any time refuse, neglect, or fail in any respect to prosecute the work with promptness and diligence, or default in the performance of any of the agreements herein contained, the Contracting Officer may, at his option, after five days' written notice to the Contractor, terminate this contract, and may enter upon the premises and take possession, for the purpose of completing said work, of all materials, tools, equipment, and appliances, and all options, privileges, and rights, and may complete, or employ any other person or persons to complete, said work. In case of such termination of the contract, the Contracting Officer shall pay to the Contractor such amounts of money on account of the unpaid balance of the cost of the work and of the fee as will result in fully reimbursing the Contractor for the cost of the work up to the time of such termination, plus a fee computed thereon at the rate or rates for monthly payments set forth in Article IV hereof; and the Contracting Officer shall also pay to the Contractor compensation, either by purchase or rental, at the election of the Contrading Officer, for any equipment retained; such compensation, in the event of rental, to be in accordance with paragraph (c) of Article II and in the event of purchase to be based upon the valuation determined by the Contracting Officer as of the time of his taking such possession. The Contractor hereby agrees that such payments when made shall constitute full settlement of all claims of the Contractor against the Contracting Officer and the United States, or either of them, for money claimed to be due to the Contractor for any reason whatsoever. In case of such termination of the contract the Contracting Officer shall further assume and become liable for all such obligations, commitments, and unliquidated claims as the Contractor may have theretofore in good faith undertaken or incurred in connection with said work, and the Contractor shall, as a condition of receiving the payments mentioned in this article, execute and deliver all such papers and take all such steps as the Contracting Officer may require for the purpose of fully vesting in him the rights and benefits of the Contractor under such obligations or commitments. When the Contracting Officer shall have performed the duties incumbent upon him under the provisions of this article, the Contracting Officer shall thereafter be entirely released and discharged of and from any and all demands, actions, or claims of any kind on the part of the Contractor hereunder or on account hereof.

Article VIII. Abandonment of Work by Contracting Officer

If conditions should arise which in the opinion of the Contracting Officer make it advisable or necessary to cease work under this contract, the Contracting Officer may abandon the work and terminate this contract. In such case the Contracting Officer shall assume and become liable for all such obligations, commitments, and unliquidated claims as the Contractor may have theretofore, in good faith, undertaken or incurred in connection with said work; and the Contractor shall, as a condition of receiving the payments mentioned in this article, execute and deliver all such papers and take all such steps as the Contracting Officer may require for the purpose of fully vesting in him the rights and benefits of the Contractor under such obligations or commitments. The Contracting Officer shall pay to the Contractor such an amount of money on account of the unpaid balance of the cost of the work and of the fee as will result in the Contractor receiving full reimbursement for the cost of the work up to the time of such abandonment, plus a fee to be computed in the following manner: To the cost of the work up to the time of such abandonment shall be added the amount of the contractual obligations or commitments assumed by the Contracting Officer, and such total shall be treated as the cost of the work, upon which the fee shall be computed in accordance with the provisions of Article III hereof. When the Contracting Officer shall have performed the duties incumbent upon him under the provisions of this-article, the Contracting Officer and the United States shall thereafter be entirely released and discharged of and from any and all demands, actions, or claims of any kind on the part of the Contractor hereunder or on account hereof.