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.� , ty� v� +y� � °y� h'. . . ,:�h'F�e +�++(�rr" a y.: ��,�Si��i <br /> ., <br /> , ��W I <br />_ � � ' �DE I� � � � � � �� �� <br /> S G� <br /> � CO�Y <br /> ' STRUCTURAL ENGINEERING �RONO <br /> 1409 S. 7th St. HOPKINS, MN 55343 <br /> 935-5550 Thursday, October 07, 1999 <br /> James Erler <br /> 3�48 �torth Shore Drive <br /> Orono, �Iinnesot�i 55391 <br /> R�: Erler Residence <br /> Basement Walls <br /> Preliminary assessment (�L�2 �99-2?1.3) <br /> Thursday moi-ning, October 07, 1999 we met at your residence to observe the condition of the 8" <br /> masonry basement walls. <br /> OBSER`:-�TIO�i October 07, 1999 <br /> The basement walls were constructed wi�h full height 8 � 8 � 18" masoruy units. The wall was 11 <br /> caurses lu�h. Th� observabl� tiorth 3c ��%est walls appeared plumb and w7th out horizontal <br /> cracking. Some vertical cracks �vere not�d, Uut no w-ater leakage was eti7dent. The exterior East <br /> wall 8i a portion of the South wall were bevond the extznt of the basement. r1n interior masonry <br /> wall �vas present and an uneYcavated craw•1 space �vas benveen the walls. No direct interior <br /> obser�-ation was possible. <br /> The e�terior of the basement walls were plastered and �Yhibited similar small vertical cracl:s. <br /> The basement walls in general appeared structurally sound. <br /> .-� review of the pro��osed second floor addition plans, prepared by DFP Planning & Design, sheets <br /> 1 thru 7, reti7sion dated 9-2�-99, indicated new East to w'est clear span floor & roof trusses, <br /> which could add up to 600 pounds per foot of additional load on the present eYterior East & West <br /> wails. The total �ial load applied to the w-all is well within the allowable loading for a short S" <br /> masonrv wall. <br /> Tne new se:;ond tloor truss layout appears to place a nz�v �rcl�r truss directly of e�sting �in+�o�v�. <br /> This is not lil:elv the bi;st truss lavout � the supplier ctiill lil:ety reti-ise the su�ested la��out, but <br /> check for a substsntial rim joist / header over the windows if this �rder remains. <br /> t�e appreciate th� opportunitv to work with you. If vou have any structural concerns, or questions <br /> on our wall review, plea to discuss them. <br /> S' � rely, / <br /> � � -- - -, _-----_._. <br /> ` � � <br /> Gz-� �.L�_.� L <br /> ��Uarr:.n D. Rutled�e P.E. <br /> tiy�i Desi��n Structural En�nc;erinf? <br /> 1�09 South Seventh Street <br /> Hopkins, l�linnesota »3�3-7894 <br /> 61?-9��-���t� fa�-93�-U901 [`?'1->cpt.docj <br />