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Sent By: CENTURYWESTENGINEERING; 5032310964; Aug-16-99 8:05PM; Page 2/2 <br />joi~ts and slab comers wd vKha-e load concentrat~ons accur. 'I hese cracks should be repaired asap <br />a,}~~n the~, appear_ 'The aggressive environment of rain, freeze/thaw and heavy loading will qw~~Y <br />apail sznail hairline cracks into fissures. The repau' will require saw-cuttxng and epoxy injecting <br />th~ cractcs. 'Thie will be a contin.ual maiateuance requirement. <br />pp~on ~#2) An interlocking Qaver system is the preferred option_ This system wili provide a <br />fleXible togp~~ ~ystem the can move when loadcd. The concern over cracking is eliminated. Thus <br />ccsck maintenance is virtuallY eliminated• Should a paver section be damaged, it can easily be <br />raplac.~d with minimal interYUptson of service. The porosity of the joints and sand bedding layer <br />will algo provide improved drainage. Finully, should the waterproofing system requiz~ee <br />maintenance, no saw-cutting, pa~~ ~d r~pouring of conccete is necessary. We anticipate the <br />service life of a paver system is double that of a concrete toppin$ slab. <br />Please call me if you have a.ny quesuons• <br />82S N~ Multnomnh, Suite 425 Portland, OR 97232 <br />Phon~r: (503) 231-6078 Fax: (503) 231-6482 G:t9YUREWORTLAtJOASTRUCTUR~OPE~~31001a~TOPIN~'~ <br />