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<br /> <br /> <br />Memorandum <br /> <br />Date: September 1, 2016 <br /> <br />To: File <br /> <br />From: David Starns, PW Engineering (541-682-8306) <br /> <br />Subject: 2016 Wastewater and Stormwater Repairs (City Job #4981) <br /> Wildish Construction Co. (Contract No. 2016-16) <br /> <br />This memo addresses exceeding City contract amounts by more than 25% without authorization <br />from the City purchasing agent. I am requesting an increase in construction fund authorization in <br />order to fund the final work on the project. <br /> <br />Background <br />During construction it is common to discover that additional work is required or that estimated <br />quantities were inaccurate. Typically these quantities rarely exceed 125% of the estimated bid <br />item. The addition of stormwater pipe and related structures at the request of PW Maintenance <br />has exceeded the budget for the project. This work also requires compensation for additional <br />Flagger hours, Traffic Control, Pipe Video Inspection and Mobilization. <br /> <br />Scheduling of paving projects on streets where pipe repairs were made was planned to closely <br />follow the pipe repairs under this project. This schedule did not provide time to entertain bids <br />for the added work and unit prices seemed to be acceptable for added quantities. In order to <br />provide full repair to wastewater and stormwater systems before paving projects could begin it <br />was necessary to continue with the work and add it to the contract quantities as possible. <br /> <br />Summary: <br />The original contract with Wildish Construction was for $373,255.00. The total increase in <br />quantities amounts to $88,303.53, or 23.7%, resulting in a revised contract total of $462,304.40. <br />The increases described in the background section of this memorandum account for more than <br />98% of that total and are as follows: <br /> <br />Bid Item # Description Quant. Unit Cost Total Cost <br />0010 Mobilization .01163216 $23,944.83 $278.53 <br />0030 Flagging 189.5 $55.00 $10,422.50 <br />0070 Mainline Video Inspection 15.27% $7,500.00 $1,145.25 <br />0110 10” C-900 Sewer Pipe 61.7 $110.00 $6,787.00 <br />0120 12” C-900 Sewer Pipe 9 $175.00 $1,575.00 <br />0140 10” PVC Sewer Pipe 79 $75.00 $5,925.00 <br />0150 12” PVC Sewer Pipe 144.5 $45.00 $6,502.50 <br />0170 Concrete MHs, Flattop 4 $3,300.00 $13,200.00 <br /> <br /> <br />