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• Ms. Mehelich <br /> December 24, 2003 <br /> Page Three <br /> complete, I would estimate that the abatement would take one to two weeks, depending on <br /> how much material containing asbestos is determined to be within the building. The <br /> demolition could proceed immediately after abatement is complete, and would take two to <br /> three weeks to demolish the building, remove it from the site, and backfill the basement. If <br /> the contract for the parking lot improvements is ready to go immediately after the building <br /> demolition, the process would take an estimated four weeks to complete. Assuming one <br /> additional week for time lost between one operation and the other, the total project time for <br /> the removal of the Utilities' building and reconstruction of the parking lot should be <br /> accomplished within about 10 weeks time. The asbestos abatement would certainly be <br /> done early in the year while weight restrictions are still on. The removal of the building and <br /> reconstruction of the parking lot would be dependent upon the removal of weight <br /> restrictions to allow free movement of materials and equipment. If desired, I believe the <br /> entire project could be accomplished in 2004 by the first week of July. <br /> E. King Avenue Parking Ramp <br /> Attached is an exhibit that shows one option for an elevated parking ramp above the King <br /> Avenue at grade parking lot. This option has the ramp for access to the elevated parking <br /> on the southeast corner. The elevated parking extends over the "head in" parking on the <br /> school district property but keeps the corridor behind the businesses open for larger <br /> • delivery vehicles. <br /> This example provides 86 parking stalls on the upper level but would eliminate 7 to 10 <br /> stalls on the ground level to make room for the ramp. Estimated construction cost would <br /> be $1,000,000 to $1,250,000. <br /> F. Pedestrian Countdown Timers <br /> The final thing that I was asked to investigate was the potential of installing new pedestrian <br /> crossing heads at the signal on Jackson Avenue/TH 10. Around the Twin Cities, we are <br /> starting to see the pedestrian movement heads having a countdown timer included once <br /> the signal goes to a "do not walk" condition. A color photograph of one of these is <br /> attached. As of this date, MnDOT has not authorized these signal heads for installation in <br /> signals on the trunk highway system. This is simply because they are not officially <br /> accepted in the federal Manual on Uniform Traffic Control Devices. The upcoming revision <br /> to the MUTCD will recognize these timers. Therefore, I believe it would be possible to <br /> install these pedestrian crossing timers, if the City so desired. <br /> Attached is a memo from my traffic engineer to me, estimating the cost to retrofit the TH 10 <br /> and Jackson Avenue signal with these timers. He estimates the heads themselves are <br /> approximately $750 for materials. There are eight heads included in the signal. He has <br /> estimated the installation costs at $250 per head. This assumes that the existing wiring <br /> would be acceptable and there will be little if any work beyond the exchange of the <br /> pedestrian crossing heads at the signal. The total estimated cost is $8,000. <br /> • <br /> `tr_120903-Mehelich.doc Howard R. Green Company <br />