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CITY OF SANTA ANA <br />PUBLIC WORKS AGENCY <br />CONTRACT CHANGE ORDER <br />Project Number Project No. 22-6622 — Downtown Flood Reduction & Stormwater Change Order Number 1 <br />Infiltration <br />To GMZ Engineering Inc. Contractor <br />You are hereby directed to make the herein changes from the plans and specifications or do the following described work not included in the plans and <br />specifications on this contract. <br />NOTE: THIS CHANGE ORDER IS NOT EFFECTIVE UNTIL APPROVED BY THE CITY COUNCIL OR CITY MANAGER. <br />Unless otherwise stated, rates for rental of equipment cover only such time as equipment is actually used and no allowance will be made for idle time. <br />Change requested by PUBLIC WORKS AGENCY <br />JUSTIFICATION <br />1. To compensate contractor for the change and relocation of traffic control devices to <br />accommodate access to the businesses at French St due to the unforeseen closure for 411 and <br />French intersection. This work was performed on T&M material. (PCO #01 <br />AGREED COST: $3,270.48 <br />2. To compensate contractor for the use of gravel in lieu of sand for the pipe zone backfill. <br />(PCO #02) <br />AGREED COST: $10,657.63 <br />3. To compensate contractor for the removal of instable subgrade soil per table #7 of the <br />geotechnical report and the use of %" gravel to achieve compaction requirements. (PCO #03) <br />AGREED COST: $26,625.92 <br />4. To compensate contractor for the procurement and installation of 2 banners and the removal <br />and disposal of 2 parklets. (PCO #04) <br />AGREED COST: $13,466.15 <br />5. To compensate contractor for the removal of loose soil from trench cave in due to the type of <br />existing soil and backfill the voids with 1/2 sack slurry. (PCO #05) <br />AGREED COST: $36,792.60 <br />6. To compensate contractor for the demolition and removal of the unforeseen concrete footing at <br />Drywall #124 location. (PCO #6) <br />AGREED COST: $4,603.00 <br />7. To compensate contractor for constructing Drywall's PCC Collar — Black Color Per RFI #9. <br />(PCO #7) <br />AGREED COST: $12,736.58 <br />To compensate contractor for temporary asphalt patches at French & 31 St and opening <br />intersection for Downtown Event. (PC0#8) <br />AGREED COST: $7,966.81 <br />TOTAL AGREED COST: $116,119.17 <br />Page 1 of 2 <br />