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Paul Hanson <br /> Segtembzr 2�, 1998 <br /> Page 2 of 3 . _ <br /> 2. The follo�ving observations �vere made with respect t�� tne foundation ofth� boatho�ise: <br /> a. The foundation is un S" thicl�:concrete iva�onry foundation system. <br /> b. Th;, boathouse is built in the side af the hill ���ith grad� at the roof line at the rear <br /> ancl grade at the slab hright at the front «,�ith grade sloping along the side «�alls. ' <br /> c. 1�he struciur� is ten cour�es high (7'-4"). The slab on gradc provides space <br /> approximately 10 fezt deep �ith a transverse wo�d fran�e �rall at this locltion <br /> with backiiti approxiniately 3'-8" above the slab slopina up to tiie rear foundation <br /> approlimately 6 feet a�vay. <br /> d. ?�'o ex�loratory wurk was done to deterniii�e the depth uf the footings, <br /> e. Horizontat cracks exist in the masoc�ry side wali; indica�ing fi�ust hear� �vith the <br /> �vali out of level approximately 1/2" orer its len�t�. . <br /> f. The rear foundation �vatl is severCiy damaged due to exr�ssire earth pressure and <br /> frost heave. <br /> 3. "fhe follo«-ing corrective measures arz required in order tc� provide a stnicturaliy sound <br /> fuundation conforming «-ith the Minnesota State Building Code: <br /> a. Reconstnict the rzar �vall with 12" block on 16" x S" f�oting a minimum of S feet <br /> helow grade. Reinforce �ti�ith #�� c 32" ��ertical in center oP waIl �vi�h hvok do�vel <br /> into footing. <br /> b. Renzove �vaod frame �;•a11 and construct ne�v masonry ��-alI 8" thick ou 16" x 8" <br /> footing ���th top of footino 4" beloti4• bottom of floor slab. Rein�oree �ti�ith #4 @ 32" <br /> vertical in center of wall �vitl� haok dow�el into �ooting. 1'ie tliis �vail to eYisting <br /> pilasters in side tivall with #� do�ti�els� 16" O.C. grouted iii place. <br /> c. U�iderpin front fotindation ���all and sid� �i�alls to provide a riiinimum of 5 feet to <br /> bottom of footiilg on exterior grade. t7nderpinning tu be donc in accordance witii <br /> standard practice 4 feet «�ide strips. <br /> d. Tuckpoint�nd repair cracked bl�ck and other masoi�ry tu provide �solid wall. <br /> e. Tootl�rear �vall to side ��alIs to prorici� a i•iaid wall system. <br /> f. Construct wood roof system usin� standard carpentry pro�edures «�ith roof plate <br /> anchored to mas�nry walt in accordance with the Code. <br /> Q. Provide «�ood blocking C 24" O.C. in tirst t�vo juist spaces �vith nailing to rear ���all <br /> V top plate ii� accorc�ance ��ith the Cocie. <br /> 4. Siilce t�ie boatliouse is a i�tility structt►re, prot��tioii acainst frost on th� interior is not <br /> rec:ommended or rzquired in my opinion. <br />