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Project 06 -1723 RFA Change Order No. 7 January 25, 2013 Page 2 3. During an inspection of the PCC channel pavement (liner) in the river bed by Orange County Public Works, it was determined that the portions of the PCC liner needed to be replaced adjacent to the new pier walls. Additionally, O.C.P.W. requested to increase the size of the aggregate for the PCC liner from 3/a inch rock to 1'/2 inch rock. The additional costs compensate the contractor for all labor and equipment to saw cut and remove portions of the PCC liner, the additional PCC for the replacement, and costs incurred to increase the size of the aggregate. (PCO 35) AGREED COST = $9,720 4. Due to the project's two year duration the northern half of the bridge was constructed the first year and the final irrigation and landscaping on the north side could not be completed until the end of the second year when the southern half of the bridge was built. Therefore the condition of the planters and areas located on the north half of the bridge needed to be addressed in advance of the final irrigation and landscape. The additional costs compensate the contractor to remove the weeds from the planter at the northeast corner of the bridge, and to grade and install sod in the areas back of walk. (PCO 36). AGREED COST = $961 5. Due to the widening of the bridge, the new drive approach installed to the property located at the northeast corner was approximately six inches higher than the existing adjacent pavement. Therefore the adjacent pavement needed to be lowered to meet the elevation of the new drive approach. The additional costs compensate the contractor for all labor and equipment to remove approximate eight feet of pavement behind the drive approach, grade and place AC pavement to the new drive approach elevation. (PCO 36) AGREED COST= $992 6. Adjacent to the west side abutment, there is a 60 -inch Orange County Sanitation District (O.C.S.D.) reclaimed waterline that is shown on the plans. During construction it was discovered to be eight feet closer to the abutment than as shown on the plans. Due to the vibration while installing the piles for the new abutments, O.C.S.D. requested that the pipe be surveyed to verify that it did not move during the pile driving operations. The additional costs compensate the contractor for all labor and equipment to excavate and expose the line for the survey, then backfill and compact once the surveying is complete. (PCO 36) AGREED COST = $789 7. Due to several rain events, a significant amount of sand and debris was deposited by the storm runoff onto the construction area in the river bed. To facilitate OC Flood's inspection of the PCC liner they required the City to have the Contractor remove the sand and debris. The additional costs compensate the contractor for all labor and equipment to remove and dispose of the sand and debris. (PCO 36) i AGREED COST = $1,211