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V <br /> E) Detached tiles in enclosed porch of Unit 4622 <br /> F) Deteriorated tree stumps on west and northwest sides of building <br /> Timin�of Dama�e <br /> According to Mr. Yapple, the interior of Unit 4622 was painted approximately 5 years ago. <br /> Based on this information and our observation that the separation between the walls and ceiling <br /> were locally patched and re-formed, a portion of the distress may have been present for up to 5 <br /> years. However, some of the distress appears to be recent and may be ongoing. <br /> 2.3 Floor Elevation Survey <br /> A floor elevation survey of the building interior was conducted in conjunction with the site <br /> inspection and damage assessment. The survey was completed using a manometer to measure <br /> relative floor elevations at locations inside the building. The data were normalized relative to a <br /> base station datum of zero (0) in each unit. The data were then plotted on a scaled map of the <br /> interior of the individual unit and used to construct a floor elevation contour map, which is <br /> shown on Figure 3. <br /> During the floor elevation survey, 8 floor slabs were identified, including the main interior <br /> portion and enclosed porch of each unit. Overall elevation differentials of l.2 inches, 1.0 inch, <br /> l.l inches, and 0.9 inch were measured across the respective slabs in Units 4616, 4618, 4620, <br /> and 4622. The patterns of elevation contours and local elevation gradients up to 0.6 inch over 5 <br /> feet show localized minor slopes associated with slightly lower areas in the northern bathroom of <br /> Unit 4616, the northern bathroom of Unit 4618, the master bedroom and southern bathroom of <br /> Unit 4620, and the kitchen closet of Unit 4622. We note that the areas of observed distress in <br /> Unit 4622 corresponded to a slightly higher area. <br /> In the enclosed porches, overall elevation differentials ranging from 0.9 inch to 1.4 inches were <br /> measured across the respective floor slabs. The patterns of elevation contours show consistent <br /> outward slopes to the floor slabs, which is a common construction practice to promote proper <br /> drainage for exterior slabs. <br /> 2.4 Foundation Characteristics <br /> Two shallow test pit excavations, TP-1 to TP-2, were completed in order to examine the type and <br /> condition of the building foundation and enclosed porches. The locations of the test pits are <br /> shown on Figure 2. Based on observations and measurements made within the test pits, the <br /> building foundation consists of a masonry stem-wall supported on a strip footing embedded <br /> approximately 22 inches below existing grade. The enclosed porches for Units 4620 and 4622 <br /> consisted of concrete slabs-on-grade. Hand cone penetrometer probes completed around the <br /> perimeter of the structure indicate the building foundation is bearing on very loose to medium <br /> dense soils (Appendix C). <br /> fSi#i)SiCFI�t;� �ii�'E:S�S<.?utiOC; � '� ?+2 '� <br /> � �,CZ f t'OJ?Ci l�E,. US��.c,��� <br /> {�i`c:t'if_',� i��C7SS0�1? �'�t<1!sCll f''.SSt):lti�±0(i il?C't�'�;Qld�f� f`n('si'Ei ��l�,'' <br /> t��i3i',.1 �'`�.1.,1. ��L'{3.'iuJ�i s�r- . <br /> �<!�.`. � <br />