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<br /> ENGINEERING I
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<br /> March 18, 1998 T���; ,��"� ~� I
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<br /> Aan: Larry Peterson(Qualiry Craftsmen} ;N' .-� ..'�,, ;
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<br /> From: Bernie Stroh, P.E. ��'' l'r "±tah1`�} �
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<br /> Re� Proposed 2nd Fioor Addition at 1945 Concordia St., Orono
<br /> Memo: As requesteci, I hnrs visited the hause snd revie�ved the proposed constructirn �,1an, t';�r �
<br /> an addition to the existing 2nd flaor. I��l��abser�at�onc a�,d recom���enc���������: !<�r tli� !
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<br /> proposed addition are t►s follows; �
<br /> ?he addition will be approximately 10'-3" x 1 l'-6". At the existislg �xterior �,-al1 �,I i
<br /> the 2nd floor, n new double 1-3/4" � 9-1/.�" lvl beam wil! be installed to supp�,rt th� i�r�� II
<br /> Zx8 floor joists(spanning t0'-3"}. This I��I beam will be supported down to thc ��ri��n,il ',
<br /> I concrete and masonry hasement foundatio� walls The maximum span f��r thi; 1��1 h�.in� I
<br /> 1 with the londs from the new addition sh�uld not exceed 15 ft �
<br /> �, I leave inspecfed tl�e foundatio� wa/(s andJound thern tv br a�ler�u���c t,� �uppur� II
<br /> i !h�ne�v loads. Solid wood blockfng x�i!!he required ut lhe 1 st f7��ur j��i��1.� in nrilrr!n !
<br /> i transjer tht/oads to the baseinent foundation ►+�alls. Treaterl x�und s�r�,ul�l hc rnc-r!i,r �
<br /> � contacr wlth tJ�e mason�y oi conerere. I
<br /> The new 2nd floor cxtension can be framed with '?x8 joists ac 16" o.c �r ?�6 j<��>is �I
<br /> dt g�� o.C. {to mtitCh existing joists). At the exteriC�r wall, 2 lle�v (l0ub<< �K I� hC�cicr �
<br /> shouEd be instAUed over the existi�g fi�st floqr �vindvws tc� suppt�rl th� n��� Iluni �,�i,�� !i
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<br /> Sinre the�xistenp jootinYs alanq this wall x�ere.jound tn hN nnl�� ahu���?J�. h��lr�ir '
<br /> g�ade, I would recor�mend unde�pinning the existing juuJings hrluw�hc� nc�w�b��r�rirr,�� �I
<br /> � posts whick w!J!be s�pporting Jhe secondJloor addition. Tlr� new rnncrel�� II
<br /> uadt�plrtrflpg s�oltld tzttnd a mini�num oj42"beloK�grnde Ji�r fros!rrolec�li�„r. Thr
<br /> Imi�simunr fooNp�size at each ntx�bearrng pnst locarinn shnulc!hr 24"sq�taic�. '
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<br /> Tht toof of the ntw addition will be framed with :xR joists ai I G" o.c. C'ullar t�r� 'I
<br /> (2x6 minimum)should be used at 48" o.c. (maximum spacin�l to lateralf� I
<br /> � stabiliu the roof rafters as per the original ?nd floor roof fram�.ng Verit_y thc ���
<br /> insulation and venting requirements with the local building inspector i
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<br /> My�eview and iRvesll�ollon of the jrarming and swppvr�ullhe new lnd flnar i
<br /> additlon Is ba.red oa tltt dtslgn load�equiremenls ojthe State ojMinnesalu rrrri!�be 'i
<br /> Unlforny aulWWrg Codt�equirerreents. Floor load�40 psJ roof luar�=41/r►.c/; I
<br /> wlnd load=8d�rrph. I
<br /> �nd of Mfmv I�
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<br /> 331 ?.nc1 Avenue North 5uKe200 lulinnwp01f5,MN 55441 612-341•937? 6�?�339�a783rax Stroherg�neering�aoricfnetA'7n�t I,
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