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C~ ooiiooi <br />-~~^: ~`, ~ t.~_ ~.~ ~. ~ <br />ARBUCKLE COSTIC ARCHITECTS, INC. <br />363 State Sueet FAX TRANSMII~AL <br />Salem, Oregon 97301-3533 <br />(503) 581 ~ I 14, Fax (503) 581-3655, E-mail: architects@arbucklecosric_com <br />T0= Dave Hays, Projed Manager DATE: <br />John Grammels, Project Engineer July 21, 2000 <br />Steve Schaad, Superintehdent JOB NUMBER <br />Pence/Kelly Construction, Inc. 9828 <br />2747 Pence Loop SE, P.O. Box 4 I 09, RE: <br />Salem, OR 97302-8109 Courthouse Square <br />FAX 364 5382 NO. OF PAGES I <br />NO. ~ndud~r,~ sh~ aa~e) <br />ORIGINAL BY Yes No <br />MAIL: _ x <br />COMMENTS: <br />Cohcrete Brick Paving Issues: <br />• Our specification calls for the sand to be screeded to a I.4" thickness. In an email from John Knapton, he <br />indicates tha.t: "The normal praaice is to screed and compaa the sand, leaving height for a quarter of an inch <br />of additional sand to be screeded than left loose. The pavers are installed into tha loose sand then vibrated - <br />the loose sand partly ertters the joints and the ~emainder compacu. This method avoids the problem of <br />differential relative compaccion and therefore unhevenness in the surface." Can you let us know what this will <br />do to Shonnert's price. ~ <br />• With respect to the grade problem, he agrees that 4" of sand under the pavers is to much. Ideally it should be <br />I.25" compacted. We could go up to 3" buc noc preferably. The better solution is to build up using a dry <br />pack consisting of cement added to the sand in feathered wedges. The ratio of sand to cemer~t would be I 5 <br />to l. The top I.25" should be sand only. <br />cc: Craig Lewis, MMDC <br />John Wtiittington, SAMTD <br />Billy Wasson, Marion Courny <br />By: Leonard Lodder, A.I.A. <br />Please call us if you have any quesrlons on che document(s) or if d~ere are any pa,ges r,-Jssing. <br />File No.: 9826-3D <br />