system: You are a contract-analysis assistant performing a span-extraction task. You are given an excerpt from a commercial contract and the name of a clause type to locate within it.

Return the exact text of the requested clause, copied verbatim from the excerpt — identical wording and punctuation, with no paraphrasing, summarising, explanation, or added commentary.

The excerpt is one window of a much longer contract and often will not contain the requested clause. If the requested clause does not appear in this excerpt, respond with exactly: Not found.

Output only the extracted clause text, or the exact string `Not found.` — nothing else.

user: Contract excerpt:
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with any necessary alterations or modifications to the Containment Pan System pursuant to Section 4.1.1), then Owner shall reimburse Operator for the costs and expenses associated therewith. 4.1.12 Capital Projects. Operator may propose an unbudgeted Capital Project at any time by giving written notice of such to Owner. The notice (the "Capital Project Proposal") must specifically describe the proposed Capital Project and shall include the following: (i)a good-faith estimate of the costs associated with the operation and maintenance of the proposed Capital Project; (ii)preliminary engineering designs and plans; and (iii)general requirements or provisions for the Capital Project, including construction of the Capital Project and insurance coverage. 9 10.23 Owner shall approve or reject the proposed Capital Project set forth in the applicable Capital Project Proposal within fifteen (15) days from the date of receipt of the same, such approval not to be unreasonably withheld, conditioned or delayed. If Owner approves the applicable Capital Project, then Operator shall have the right and authority with respect to the approved Capital Project to make expenditures, or enter into contracts to incur expenditures, without further authorization by Owner; provided, however, Owner will not be responsible for reimbursing Operator for any expenditures incurred by Operator related to the construction, operation, and maintenance of the Capital Project. 4.1.13 Emergencies. Notwithstanding any provision of this Agreement, in the event of an Emergency, Operator shall proceed with maintenance or repair work or with any other action when necessary to minimize damage and to end the Emergency ("Emergency Work"), without regard to the limits set forth in this Article IV. Operator shall, as soon as reasonably practicable, notify Owner of the existence or occurrence of the Emergency, setting forth the nature of the emergency, the corrective action taken or proposed to be taken, and the actual or estimated cost of such corrective action. Emergency Work shall include only such work as is necessary to immediately address the Emergency and does not include any work necessary to restore the Rail Facility or improve the Rail Facility in order to permit continued operations. 4.1.14 Reporting By Operator. Operator shall (by either (i) submitting written reports or records or (ii) providing Owner with access to Operator's internet website containing the relevant information, at Operator's discretion) provide to Owner the following reports or records, based on the best data available at the time of preparation and subject to revision based on acquisition of more accurate data: (i) as soon as available, and in any event within 30 days after the end of each calendar month, an operational report on major repairs and other operational details materially affecting the operations of the Rail Facility during such month; (ii) as soon as available, and in any event within 30 days after the end of each Calendar Year, a certificate from the president or chief executive officer of Operator stating that no event or condition exists or has occurred that violates, results in a breach of, or constitutes a default on the part of any Operator Party under, any of the terms, conditions or provisions of this Agreement; (iii) within 5 days of Owner's request, environmental information or records pertaining to the Rail Facility (as specified by Owner) necessary for Owner to comply with any reporting obligations of Owner related to all applicable Environmental Law and Environmental Permits; and (iv) such other information regarding the Rail Facility or the operation and maintenance of the Rail Facility as Owner may from time to time reasonably request. 10 10.23 4.1.15 Notices to Owner. Operator shall immediately notify Owner in writing of (i) any enforcement, clean-up, removal or other governmental or regulatory action instituted, completed or threatened against Operator Parties or Owner pursuant to any Law or Environmental Law as a result of the operation of the Rail Facility; (ii) any claim made or threatened by any person arising out of or in connection with the operation of the Rail Facility against Operator Parties or Owner relating to damage, contribution, cost recovery, compensation loss or injury resulting from or claimed to result from any Hazardous Materials; (iii) any reports made to any environmental agency arising out of or in connection with any Hazardous Materials removed from the Rail Facility or the property on which the Rail Facility is situated including any complaints, notices, warnings, reports or asserted violations in connection therewith; and (d) the discovery of any Hazardous Materials at the Rail Facility or the property on which the Rail Facility is situated that are or may be in
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Extract the exact clause related to "Third Party Beneficiary" from the excerpt above.

assistant: Not found.