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<br />Copyright 2002 AIA <br /> <br />MASTERSPEC <br /> <br />11/02 <br /> <br />b. Indicate applicable taxes, delivery charges, equipment rental, and amounts of trade <br />discounts. <br />c. Include costs of labor and supervision directly attributable to the change. <br />d. Include an updated Contractor's Construction Schedule that indicates the effect of <br />the change, including, but not limited to, changes in activity duration, start and <br />finish times, and activity relationship. Use available total float before requesting <br />an extension of the Contract Time. <br /> <br />B. Contractor-Initiated Proposals: If latent or unforeseen conditions require modifications to the <br />Contract, Contractor may propose changes by submitting a request for a change to Construction <br />Manager. <br /> <br />1. Include a statement outlining reasons for the change and the effect of the change on the <br />Work. Provide a complete description of the proposed change. Indicate the effect of the <br />proposed change on the Contract Sum and the Contract Time. <br />2. Include a list of quantities of products required or eliminated and unit costs, with total <br />amount of purchases and credits to be made. If requested, furnish survey data to <br />substantiate quantities. <br />3. Indicate applicable taxes, delivery charges, equipment rental, and amounts of trade <br />discounts. <br />4. Include costs of labor and supervision directly attributable to the change. <br />5. Include an updated Contractor's Construction Schedule that indicates the effect of the <br />change, including, but not limited to, changes in activity duration, start and finish times, <br />and activity relationship. Use available total float before requesting an extension of the <br />Contract Time. <br />6. Comply with requirements in Division 1 Section "Product Requirements" if the proposed <br />change requires substitution of one product or system for product or system specified. <br /> <br />C. Proposal Request Form: Use AIA Document G709 for Proposal Requests. <br /> <br />1.5 ALLOWANCES <br /> <br />A. Allowance Adjustment: To adjust allowance amounts, base each Change Order proposal on the <br />difference between purchase amount and the allowance, multiplied by final measurement of <br />work-in-place. If applicable, include reasonable allowances for cutting losses, tolerances, <br />mixing wastes, normal product imperfections, and similar margins. <br /> <br />1. Include installation costs in purchase amount only where indicated as part of the <br />allowance. <br />2. If requested, prepare explanation and documentation to substantiate distribution of <br />overhead costs and other margins claimed. <br />3. Submit substantiation of a change in scope of work, if any, claimed in Change Orders <br />related to unit-cost allowances. <br />4. Owner reserves the right to establish the quantity of work-in-place by independent <br />quantity survey, measure, or count. <br /> <br />B. Submit claims for increased costs because of a change in scope or nature of the allowance <br />described in the Contract Documents, whether for the Purchase Order amount or Contractor's <br />handling, labor, installation, overhead, and profit. Submit claims within 21 days of receipt of <br /> <br />CONTRACT MODIFICATION PROCEDURES <br /> <br />01250 - 2 <br />