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~1LC IVO. VOJ Vfi VJ of 1J •J-. 1L •~n~.+•.,u•. u~ .. ---~------ <br />Madsen, Kneppers dr Assocsates, Inc. <br />t.onctruc[IonConculhnbkFnglnccrs MEMORANDUM <br />4949 South Syracuse St., Suite 400 <br />Denver, Colorado 60137 <br />(303)793-022D <br />Pax: (303) 793-0551 <br />TO: Ms. Ann Tatum <br />FROM: Jahn Reins <br />DATE: June 30, 1995 <br />SUBJE~I': Pendleton Memo fi/2/1995 <br />We have recently received and reviewed the memorandum from Jim <br />Pendleton dated June 2, 1995 which provides a aitique of our letter report <br />dated May 23, 1995. Mr. Pendleton raises a number of issues which warrant <br />some comment and elaboration: <br />Cement Stucco Finish <br />We certainly agree with the characterization that the stucco finish which was <br />subsequently applied to the house is a "two-edged sword" with certain <br />potentially negative side effects. There is a genera] consensus of opinion with <br />respect to adobe construction (and construction iri general} that you should <br />use materials that are compatible in terms of their properties and behavior. <br />The cement stucco finish applied to the Tatum residence has provided the <br />beneficial effects of protection from weathering and confinement of the <br />original adobe wall construction. It has also tended to conceal and perhaps <br />exacerbate the deterioration on the south wall that is clearly due to moisture <br />infiltration from deficiencies in the roof flashing and drainage above. <br />Fortunately, this deterioration appears to be localized and does not affect a <br />primary beazing wall. <br />In general, we found that the adobe materials in the walls and foundations of <br />the Tatum residence are sound and intact. In randomly sounding the walls <br />we found no widespread or substantial debonding of the stucco from the <br />adobe. We are strongly of the opinion that the presence of the exterior <br />cement stucco is not an explanation for, or cause of, the cracking distress and <br />distortion which now affects the eastern portion of the house. With respect <br />to the issue of long-term maintenance and preservation of the house, we are <br />not recommending the removal of the cement stucco finish, but would <br />certainly welcome any input or suggestions from Mr. McHenry. <br />