Common use of Tenant Improvements and Alterations Clause in Contracts

Tenant Improvements and Alterations. Except as specified in an exhibit attached to this Lease (if any), Tenant accepts the Premises in their as-is condition as of the Commencement Date and Tenant shall pay for all tenant improvements, whether the work is performed by Landlord or by Tenant. If any improvements to the Premises or other work on the Premises by Tenant causes the need to comply with any Laws in areas outside of the Premises including without limitation the Americans with Disabilities Act or regulations pertaining to earthquake codes, Tenant shall pay the cost thereof as well. Tenant shall make no improvements or alterations on the Premises of any kind, including the initial work to be performed by Tenant in the Premises, without the prior written consent of Landlord, which consent shall not be unreasonably withheld. Prior to the commencement of any work by Tenant, Tenant shall first submit the following to Landlord and obtain Landlord’s written consent to all of the following which consent shall not be unreasonably withheld: Tenant’s plans and specifications; Tenant’s estimated costs; and the names of all of Tenant’s contractors and subcontractors. Landlord to approve, or provide Tenant Improvement comments back to Tenant within 20 days after submittal. If Landlord is to perform some or all of such work, Landlord shall have the right to require Tenant to pay for the cost of the work in advance or in periodic installments. If the work is to be performed by Tenant, Landlord shall have the right to require Tenant to furnish adequate security to assure timely payment to the contractors and subcontractors for such work. All work performed by Tenant shall be done in strict compliance with all applicable building, fire, sanitary, and safety codes, and other applicable laws, statutes, regulations, and ordinances, and Tenant shall secure all necessary permits for the same. Tenant shall keep the Premises free from all liens in connection with any such work. All work performed by the Tenant shall be carried forward expeditiously, shall not interfere with Landlord’s work or the work to be performed by or for other tenants, and shall be completed within a reasonable time. Landlord or Landlord’s agents shall have the right at all reasonable times to inspect the quality and progress of such work. All improvements, alterations and other work performed on the Premises by either Landlord or Tenant shall be the property of Landlord when installed, except for Tenant’s trade fixtures, and may not be removed at the expiration of this Lease unless the applicable Landlord’s consent specifically provides otherwise. Notwithstanding Landlord’s consent to improvements 9 | 1000 WALL LEASE AGREEMENT or alterations by Tenant, all such improvement, alteration or other work to be performed by Tenant shall be at the sole cost and expense of Tenant. Tenant shall give Landlord not less than five (5) business days advance written notice of the date on which any construction will commence so as to give Landlord the opportunity to post a notice of non-responsibility.

Tenant Improvements and Alterations. Except as specified in an exhibit attached to this Lease (if any), Tenant accepts the Premises in their as-is condition as of the Commencement Date 6.1 Landlord and Tenant shall pay perform their respective obligations with respect to design and construction of any improvements to be constructed and installed in the Premises (the “Tenant Improvements”), as provided in the Construction Rider. Except for any Tenant Improvements to be constructed by Tenant as provided in the Construction Rider, Tenant shall not make any alterations, improvements or changes to the Premises, including installation of any security system or telephone or data communication wiring, (“Alterations”), without Landlord’s prior written consent, which shall not be unreasonably withheld, conditioned, or delayed. Any such Alterations shall be completed by Tenant at Tenant’s sole cost and expense: (i) with due diligence, in a good and workmanlike manner, using new materials; (ii) in compliance with plans and specifications approved by Landlord; (iii) in compliance with the construction rules and regulations promulgated by Landlord from time to time; and (iv) in accordance with all tenant improvementsapplicable Laws (including all work, whether structural or non-structural, inside or outside the work is performed by Landlord or Premises, required to comply fully with all applicable Laws and necessitated by Tenant’s work); and (v) subject to all reasonable conditions which Landlord may in Landlord’s discretion impose. Such conditions may include requirements for Tenant to: (i) provide payment or performance bonds or additional insurance (from Tenant or Tenant’s contractors, subcontractors or design professionals); (ii) use contractors or subcontractors designated by Landlord; and (iii) remove all or part of the Alterations prior to or upon expiration or termination of the Term, as designated by Landlord. If any improvements work outside the Premises, or any work on or adjustment to any of the Building Systems, is required in connection with or as a result of Tenant’s work, such work shall be performed at Tenant’s expense by contractors designated by Landlord. Landlord’s right to review and approve (or withhold approval of) Tenant’s plans, drawings, specifications, contractor(s) and other aspects of construction work proposed by Tenant is intended solely to protect Landlord, the Property and Landlord’s interests. No approval or consent by Landlord shall be deemed or construed to be a representation or warranty by Landlord as to the Premises adequacy, sufficiency, fitness or suitability thereof or compliance thereof with applicable Laws or other work on the Premises by Tenant causes the need to comply with any Laws requirements. Except as otherwise provided in areas outside Landlord’s consent, all Alterations shall upon installation become part of the Premises including without limitation realty and be the Americans with Disabilities Act property of Landlord. Notwithstanding anything to the contrary contained herein, Landlord’s consent shall not be required for, nor may Landlord impose conditions on, either cosmetic Alterations or regulations pertaining to earthquake codes, Tenant shall pay the cost thereof as well. Tenant shall make no improvements or alterations on the Premises of any kind, including the initial work Alterations not requiring a building permit to be performed by Tenant in the Premises, without which do not affect the prior written consent of Landlord, which consent shall not be unreasonably withheld. Prior to Building (other than the commencement of any work by Tenant, Tenant shall first submit the following to Landlord and obtain Landlord’s written consent to all interior of the following which consent shall not be unreasonably withheld: Tenant’s plans Premises), and specifications; Tenant’s estimated costs; and the names of all of Tenant’s contractors and subcontractors. Landlord to approve, or provide Tenant Improvement comments back to Tenant within 20 days after submittal. If Landlord is to perform some or all of such work, Landlord shall have the right to require Tenant to pay for the cost of which does not exceed Ten Thousand Dollars ($10,000) in the work in advance or in periodic installments. If the work is to be performed by Tenantaggregate; provided, Landlord shall have the right to require Tenant to furnish adequate security to assure timely payment to the contractors and subcontractors for such work. All work performed by however, that Tenant shall be done in strict compliance with all applicable building, fire, sanitary, and safety codes, and other applicable laws, statutes, regulations, and ordinances, and Tenant shall secure all necessary permits for the same. Tenant shall keep the Premises free from all liens in connection with any such work. All work performed by the Tenant shall be carried forward expeditiously, shall not interfere with Landlord’s work or the work provide written notice to be performed by or for other tenants, and shall be completed within a reasonable time. Landlord or Landlord’s agents shall have the right at all reasonable times to inspect the quality and progress of such work. All improvements, alterations and other work performed on the Premises by either Landlord or Tenant shall be the property of Landlord when installed, except for Tenant’s trade fixtures, and may not be removed at the expiration of this Lease unless the applicable Landlord’s consent specifically provides otherwise. Notwithstanding Landlord’s consent to improvements 9 | 1000 WALL LEASE AGREEMENT or alterations by Tenant, all such improvement, alteration or other work to be performed by Tenant shall be at the sole cost and expense of Tenant. Tenant shall give Landlord not less same no later than five ten (510) business days advance written notice of prior to commencing the date on which any construction will commence so as to give Landlord the opportunity to post a notice of non-responsibilityAlterations described in this sentence.

Tenant Improvements and Alterations. 6.1 Landlord and Tenant shall perform their respective obligations with respect to design and construction of any improvements to be constructed and installed in the Premises as provided in the Construction Rider attached hereto as Exhibit C. Except for (i) any improvements to be constructed by Tenant as specified provided in an exhibit attached to this Lease the Construction Rider and (if anyii) non-structural alterations not affecting the Building Systems and costing less than $50,000.00 in the aggregate (for which no Landlord consent shall be required), Tenant accepts the Premises in their as-is condition as of the Commencement Date and Tenant shall pay for all tenant improvementsnot make any alterations, whether the work is performed by Landlord or by Tenant. If any improvements to the Premises or other work on the Premises by Tenant causes the need to comply with any Laws in areas outside of the Premises including without limitation the Americans with Disabilities Act or regulations pertaining to earthquake codes, Tenant shall pay the cost thereof as well. Tenant shall make no improvements or alterations on the Premises of any kind, including the initial work changes to be performed by Tenant in the Premises, including installation of any security system or telephone or data communication wiring (“Alterations“), without the Landlord’s prior written consent of Landlordconsent, which consent shall not to be unreasonably withheld, conditioned or delayed; provided, however, that it shall in all events be reasonable for Landlord to withhold such consent if the proposed Alterations affect the structure of the Building and/or any of the Building Systems. Prior Any such Alterations shall be completed by Tenant at Tenant’s sole cost and expense: (i) with due diligence, in a good and workmanlike manner, using new materials; (ii) in compliance with plans and specifications approved by Landlord; (iii) in compliance with the construction rules and regulations promulgated by Landlord from time to time; (iv) in accordance with all applicable Laws (including all work, whether structural or non-structural, inside or outside the Premises, required to comply fully with all applicable Laws and necessitated by Tenant’s work); and (v) subject to all conditions which Landlord may in Landlord’s reasonable discretion impose. Such conditions may include requirements for Tenant to: (i) provide payment or performance bonds or additional insurance (from Tenant or Tenant’s contractors, subcontractors or design professionals); (ii) use contractors or subcontractors designated by Landlord (provided that such contractors or sub-contractors priced competitively with others chosen by Tenant); and (iii) remove all or part of the Alterations prior to or upon expiration or termination of the Term, as designated by Landlord prior to the commencement of such Alterations. If any work by Tenantoutside the Premises, Tenant shall first submit the following or any work on or adjustment to Landlord and obtain Landlord’s written consent to all any of the following which consent shall not be unreasonably withheld: Tenant’s plans and specifications; Tenant’s estimated costs; and the names of all Building Systems, is required in connection with or as a result of Tenant’s contractors and subcontractors. Landlord to approve, or provide Tenant Improvement comments back to Tenant within 20 days after submittal. If Landlord is to perform some or all of such work, such work shall be performed at Tenant’s expense by contractors designated by Landlord (provided that such contractors or sub-contractors are priced competitively with market rates). Landlord’s right to review and approve (or withhold approval of) Tenant’s plans, drawings, specifications, contractor(s) and other aspects of construction work proposed by Tenant is intended solely to protect Landlord, the Property and Landlord’s interests. No approval or consent by Landlord shall have be deemed or construed to be a representation or warranty by Landlord as to the right to require Tenant to pay for the cost adequacy, sufficiency, fitness or suitability of the work proposed Alterations or compliance thereof with applicable Laws or other requirements. Except as otherwise provided in advance or in periodic installments. If the work is to be performed by Tenant, Landlord shall have the right to require Tenant to furnish adequate security to assure timely payment to the contractors and subcontractors for such work. All work performed by Tenant shall be done in strict compliance with all applicable building, fire, sanitary, and safety codes, and other applicable laws, statutes, regulations, and ordinances, and Tenant shall secure all necessary permits for the same. Tenant shall keep the Premises free from all liens in connection with any such work. All work performed by the Tenant shall be carried forward expeditiously, shall not interfere with Landlord’s work or consent, all Alterations shall upon installation become part of the work to be performed by or for other tenants, realty and shall be completed within a reasonable time. Landlord or Landlord’s agents shall have the right at all reasonable times to inspect the quality and progress of such work. All improvements, alterations and other work performed on the Premises by either Landlord or Tenant shall be the property of Landlord when installed, except for Tenant’s trade fixtures, and may not be removed at the expiration of this Lease unless the applicable Landlord’s consent specifically provides otherwise. Notwithstanding Landlord’s consent to improvements 9 | 1000 WALL LEASE AGREEMENT or alterations by Tenant, all such improvement, alteration or other work to be performed by Tenant shall be at the sole cost and expense of Tenant. Tenant shall give Landlord not less than five (5) business days advance written notice of the date on which any construction will commence so as to give Landlord the opportunity to post a notice of non-responsibility.

Tenant Improvements and Alterations. Except as specified in an exhibit attached to this Lease (if any), Tenant accepts the Premises in their as-is condition as of the Commencement Date and Tenant shall pay for all tenant improvementsnot make any alterations, whether the work is performed by Landlord additions or by Tenant. If any improvements to the Leased Premises (including but not limited to roof and wall penetrations) or other work on the Premises by Tenant causes the need to comply with any Laws in areas outside of the Premises including without limitation the Americans with Disabilities Act or regulations pertaining to earthquake codes, Tenant shall pay the cost thereof as well. Tenant shall make no improvements or alterations on the Premises of any kind, including the initial work to be performed by Tenant in the Premises, Building without the prior written consent of Landlord, which and such consent shall not be unreasonably withheld. Prior All Tenant alterations, additions and/or improvements shall comply with insurance requirements and with all applicable laws, ordinances, and regulations. Additionally, all Tenant alterations, additions and/or improvements shall be in accordance with Landlord's specifications. All Tenant alterations, additions and/or improvements shall be constructed in a good and workmanlike manner. All plans and specifications for Tenant's alterations, additions and/or improvements shall be submitted to Landlord for Landlord's written approval. Tenant agrees that Landlord may monitor all phases of Tenant's construction. Tenant shall reimburse Landlord for Landlord's reasonable expenses for reviewing plans and documents and in monitoring construction. Landlord's review of plans and monitoring construction shall be solely for Landlord's own benefit and shall impose no duty or obligation on Landlord to confirm that the commencement of any work by Tenantplans and specifications and/or construction comply with applicable laws, codes, rules, or regulations. At Landlord's request, Tenant shall first submit the following obtain payment and performance bonds approved by Landlord, for any Tenant construction which bonds shall be delivered to Landlord and obtain Landlord’s written consent prior to all commencement of the following which consent construction. Upon completion of Tenant's construction, Tenant shall not be unreasonably withheld: Tenant’s plans and specifications; Tenant’s estimated costs; and deliver to Landlord sworn statements setting forth the names of all of Tenant’s contractors and subcontractors who performed work along with final lien waivers from such contractors and subcontractors. Landlord to approveTenant may, or provide Tenant Improvement comments back to Tenant within 20 days after submittal. If Landlord is to perform some or all without the consent of Landlord, but at its own cost and expense and in a good workmanlike manner, erect such workshelves, Landlord shall have bins, machinery, and trade fixtures as it may deem advisable, without altering the right to require Tenant to pay for the cost basic character of the work Building or improvements and without overloading or damaging such Building or improvements, and in advance or in periodic installments. If the work is to be performed by Tenanteach case complying with all applicable governmental laws, Landlord shall have the right to require Tenant to furnish adequate security to assure timely payment to the contractors ordinances, regulations and subcontractors for such workother requirements. All work performed alterations, additions, improvements and partitions erected by Tenant shall be done in strict compliance with all applicable building, fire, sanitary, and safety codes, and other applicable laws, statutes, regulations, and ordinances, remain the property of Tenant during the term of this Lease and Tenant shall, unless Landlord otherwise elects as hereinafter provided, remove all alterations, additions, improvements and partitions erected by Tenant and restore the Leased Premises to its original condition by the date of termination of this Lease or upon earlier vacating of the Leased Premises; provided, however, that if Landlord so elects prior to termination of this Lease or upon earlier vacating of the Leased Premises, such alterations, additions, improvements and partitions shall secure all necessary permits for become the same. Tenant property of Landlord as of the date of termination of this Lease or upon earlier vacating of the Leased Premises and shall keep be delivered up to the Premises free from all liens in connection Landlord with any such workthe Leased Premises. All work performed shelves, bins, machinery and trade fixtures installed by Tenant may be removed by Tenant prior to the termination of this Lease if Tenant shall be carried forward expeditiously, shall not interfere with Landlord’s work or the work to be performed by or for other tenantsso elects, and shall be completed within a reasonable time. Landlord or Landlord’s agents shall have removed by the right at all reasonable times to inspect the quality and progress date of such work. All improvements, alterations and other work performed on the Premises by either Landlord or Tenant shall be the property of Landlord when installed, except for Tenant’s trade fixtures, and may not be removed at the expiration termination of this Lease unless or upon earlier vacating of the applicable Landlord’s consent specifically provides otherwise. Notwithstanding Landlord’s consent to improvements 9 | 1000 WALL LEASE AGREEMENT or alterations by Tenant, all such improvement, alteration or other work to be performed by Tenant Leased Premises if required shall be at accomplished in a good workmanlike manner so as not to damage the sole cost and expense of Tenant. Tenant shall give Landlord not less than five (5) business days advance written notice primary structure or structural qualities of the date buildings and other improvements situated on which any construction will commence so as to give Landlord the opportunity to post a notice of non-responsibilityLeased Premises.

Tenant Improvements and Alterations. Except as specified in an exhibit attached to this Lease (if any), Tenant accepts the Premises in their as-is condition as of the Commencement Date and Tenant shall pay for all tenant improvementsnot make any alterations, whether the work is performed by Landlord additions or by Tenant. If any improvements to the Leased Premises (including but not limited to roof and wall penetrations) or other work on the Premises by Tenant causes the need to comply with Building or use any Laws in areas outside portion of the Premises including without limitation the Americans with Disabilities Act or regulations pertaining to earthquake codes, Tenant shall pay the cost thereof as well. Tenant shall make no improvements or alterations on the Premises of any kind, including the initial work to be performed by Tenant in the Premises, roof without the prior written consent of Landlord. All Tenant alterations, which consent additions and/or improvements shall not comply with insurance requirements and with all applicable laws, ordinances, and regulations. Additionally, all Tenant alterations, additions and/or improvements shall be unreasonably withheldin accordance with Landlord's specifications. Prior All Tenant alterations, additions and/or improvements shall be constructed, lien-free, in a good and workmanlike manner by a licensed contractor. All plans and specifications for Tenant's alterations, additions and/or improvements shall be submitted to Landlord for Landlord's written approval. No other portion of the commencement Building or the Project shall be subject to any municipal or other requirement to upgrade or otherwise modify any improvement by reason of any work by such improvements. Tenant agrees that Landlord may monitor all phases of Tenant's construction. Tenant shall reimburse Landlord for Landlord's reasonable expenses for reviewing plans and documents and in monitoring construction. Landlord's review of plans and monitoring construction shall be solely for Landlord's own benefit and shall impose no duty or obligation on Landlord to confirm that the plans and specifications and/or construction comply with applicable laws, codes, rules, or regulations. At Landlord's request, Tenant shall first submit the following obtain payment and performance bonds approved by Landlord, for any Tenant construction which bonds shall be delivered to Landlord and obtain Landlord’s written consent prior to all commencement of the following which consent construction. Upon completion of Tenant's construction, Tenant shall not be unreasonably withheld: Tenant’s plans and specifications; Tenant’s estimated costs; and deliver to Landlord sworn statements setting forth the names of all contractors, subcontractors and suppliers who performed work or supplied materials along with final lien waivers from such contractors, subcontractors and suppliers. Tenant may, without the consent of Tenant’s contractors Landlord, but at its own cost and subcontractors. Landlord to approveexpense and in a good workmanlike manner, or provide Tenant Improvement comments back to Tenant within 20 days after submittal. If Landlord is to perform some or all of erect such workshelves, Landlord shall have bins, machinery, and trade fixtures as it may deem advisable, without altering the right to require Tenant to pay for the cost basic character of the work Building or improvements and without overloading or damaging such Building or improvements, and in advance or in periodic installments. If the work is to be performed by Tenanteach case, Landlord shall have the right to require Tenant to furnish adequate security to assure timely payment to the contractors complying with all applicable governmental laws, ordinances, regulations and subcontractors for such workother requirements. All work performed alterations, additions, improvements and partitions erected by Tenant shall be done in strict compliance with all applicable building, fire, sanitary, and safety codes, and other applicable laws, statutes, regulations, and ordinances, remain the property of Tenant during the term of this Lease and Tenant shall secure pay all necessary permits for the sameproperty taxes thereon. Tenant shall, unless Landlord otherwise elects as hereinafter provided, remove all alterations, additions, improvements and partitions erected by Tenant and restore the Leased Premises to its original condition by the date of termination of this Lease or upon earlier vacating of the Leased Premises; provided, however, that if Landlord so elects prior to termination of this Lease or upon earlier vacating of the Leased Premises, such alterations, additions, improvements and partitions shall keep become the property of Landlord as of the date of termination or this Lease or upon earlier vacating of the Leased Premises free from all liens in connection and shall be delivered up to the Landlord with any such workthe Leased Premises. All work performed shelves, bins, machinery and trade fixtures installed by Tenant may be removed by Tenant prior to the termination of this Lease if Tenant shall be carried forward expeditiously, shall not interfere with Landlord’s work or the work to be performed by or for other tenantsso elects, and shall be completed within a reasonable time. Landlord or Landlord’s agents shall have removed by the right at all reasonable times to inspect the quality and progress date of such work. All improvements, alterations and other work performed on the Premises by either Landlord or Tenant shall be the property of Landlord when installed, except for Tenant’s trade fixtures, and may not be removed at the expiration termination of this Lease unless or upon earlier vacating of the applicable Landlord’s consent specifically provides otherwise. Notwithstanding Landlord’s consent to improvements 9 | 1000 WALL LEASE AGREEMENT or alterations by Tenant, all such improvement, alteration or other work to be performed by Tenant Leased Premises if required shall be at accomplished in a good workmanlike manner so as not to damage the sole cost and expense of Tenant. Tenant shall give Landlord not less than five (5) business days advance written notice primary Structure or structural qualities of the date buildings and other improvements situated on which any construction will commence so as to give Landlord the opportunity to post a notice of non-responsibilityLeased Premises (SEE EXHIBIT "C").

Tenant Improvements and Alterations. Except as specified in an exhibit attached Prior to this Lease (if any), Tenant accepts the Premises in their as-is condition as of the Commencement Date and Tenant shall pay for all tenant improvements, whether the work is performed by Landlord commencing any ----------------------------------- improvements or by Tenant. If any improvements alterations to the Premises Premises, including the installation or other work on the Premises by Tenant causes the need to comply with any Laws in areas outside modification of the Premises including without limitation the Americans with Disabilities Act telephone communication or regulations pertaining to earthquake codesdata wires, cables and boxes, Tenant shall pay obtain the cost thereof as well. Tenant shall make no improvements or alterations on the Premises of any kind, including the initial work to be performed by Tenant in the Premises, without the prior written consent approval of Landlord, which consent approval shall not be unreasonably withheld. Prior to the commencement of any work by Tenantwithheld or delayed, in connection with which Tenant shall first submit the following to Landlord and obtain Landlord’s written consent , prior to all of the following which consent shall not be unreasonably withheld: Tenant’s commencing such work, detailed plans and specifications; Tenant’s estimated costs; , showing all such work, and the names of all of Tenant’s contractors and subcontractorsproposed contractors. Landlord to approve, or provide Electrical work required by the Tenant Improvement comments back to Tenant within 20 days after submittal. If Landlord is to perform some or all of such work, Landlord shall have the right to require Tenant to pay for the cost of the work in advance or in periodic installments. If the work is to will only be performed by Tenant, Landlord shall have the right to require Tenant to furnish adequate security to assure timely payment to the contractors and subcontractors for such work. All work performed by Tenant shall be done in strict compliance with all applicable building, fire, sanitary, and safety codes, and other applicable laws, statutes, regulations, and ordinances, and Tenant shall secure all necessary permits for the same. Tenant shall keep the Premises free from all liens in connection with any such work. All work performed electrician then hired by the Tenant shall be carried forward expeditiously, shall not interfere with Landlord’s work or Landlord as the work to be performed by or for other tenants, and shall be completed within a reasonable time. Landlord or Landlord’s agents shall have the right at all reasonable times to inspect the quality and progress of such work. All improvements, alterations and other work performed on the Premises by either Landlord or Tenant shall be the property of Landlord when installed, except for Tenant’s trade fixtures, and may not be removed at the expiration of this Lease unless the applicable Landlord’s consent specifically provides otherwise. Notwithstanding Landlord’s consent to improvements 9 | 1000 WALL LEASE AGREEMENT or alterations by Tenant, all such improvement, alteration or other work to be performed by Tenant shall be at the sole cost and expense of TenantBuilding Electrician. Tenant shall give Landlord not less than five (5) business days advance written notice of the date on which any construction will commence so as to give Landlord the opportunity to post make the proposed improvements or alterations, at Tenant's expense. Tenant agrees that it will procure all necessary permits, licenses, and approvals before commencing any construction upon the Premises. Tenant agrees that all construction, repairs, installations, alterations, improvements and removals not done by Landlord ("Tenant Construction") will be done in a notice good and workmanlike manner, with a contractor approved by Landlord, in conformity with all laws, ordinances and regulations of non-responsibilityall public authorities and all insurance inspection or rating bureaus having jurisdiction, and that the structure of the Building will not be endangered or impaired and that Tenant will repair any and all damage caused by or resulting from any such Tenant Construction, including, without limitation, the filling of holes. Tenant must obtain from Landlord prior written approval (which shall not be unreasonably withheld or delayed) of proposed work hours and of the timing of delivery of materials and equipment. Tenant agrees to pay promptly when due all charges for labor and materials in connection with any work done by Tenant or anyone claiming under Tenant or by Landlord on behalf of Tenant upon the Premises, so that the Premises will at all times be free of liens. Tenant agrees to save Landlord harmless from, and indemnify Landlord against, any and all claims for injury, loss or damage to person or property caused by or resulting from the doing of any such work.