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�„ ..^- wwm� <br /> ,��� <br /> � � _. . �#� <br /> ��� _:_ _ . �. _��.., <br /> .��,�. . <br /> ��� <br /> �� � <br /> �� � Geo� 'Enginecis <br /> ..� �y � <br /> �O , � 95 percent MDD. A 6— to 4—inch--thick subbase layer of clean (less than . <br /> � � H� 8 S percent fines) pit run sand and gravel may be required to procect the <br /> -�. y fi subgrade if grading occurs during wet weather. <br /> M � ,� <br /> �N DRAINAGE CONSIDHRATIONS <br /> g�� � <br /> � �+ � The site will experience seasonally shallow perched ground water <br /> �� conditions due to the relati�•ely impermeaUle glacial till which occurs at <br /> �� � �'j shallow depths. Structural fill using the on—site �oil will also be . <br /> , � relatively impermeable. Therefore, we recommend a perimeter footing drain <br /> arouncl the building. The footing drain should be connected to the storm <br /> " � drain system. We recommend all. downspouts be tightlined into the storm <br /> , ,� drainage system. Downspouts should not be corutected to footing drains. ( <br /> �.� <br /> � Roads and open space areas should be sloped such Lhat surface water <br /> runoff is collected and routed to suitable discharge points. We recommend I <br /> �� that ground surfaces adjacent to the building be sloped away from the k I <br /> I' <br /> . building. � { <br /> ���r � � USS OF �S REPORT � <br /> �i � � We have prepared this report for use by hlr. Gunnar Lie and his . <br /> � � { architect and engineers for their use in design of a portion of this ' �, <br /> , ��� �91 <br /> � project. The data and report sitould be provided to prospective contrac— <br /> � � [ors for iheir bidding or esCimaCing purposes, but our report, conclusions i <br /> and interpretations should not be construed as a warranty of the subsur— � <br /> � �o face condiCions. � <br /> � i <br /> I ; � When the desig.l has been finalized, we recommend thaC we be retained � <br /> �� 1 ' to review the appropriate drawings and specificatior.s to see thaL our � <br /> II, ! � recommendations l�ave been inCerpreCed and implemen[ed as intended. <br /> The scope of our services dces not include services relar.ed to <br /> ; '� <br /> � ���� � construction safety precautions and our recommendations are not inten e <br /> to direct the contractor's meChods, Cechniques, sequences or procedures, � <br /> � excepC as speciFically described in our reporC for considerat'ion in I <br /> �e' design. <br /> � � � � There are possible variations in subsurface ronditions Uetween the <br /> �oee explorations and also wil'h time. A contingency tor unanCicipated <br /> conditions sl�ould Ue included in tl�e budget and schedule. Sufficienc <br /> d 12 <br /> r� • <br /> � _ . _ . . . _ ___ . . - . -- � . __ .--.. _. . . _ . . .. __... -- ;�� . <br /> � � .. , -- ._ . , � - . '�� <br /> � <br />