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KEY INFORIMINI UM 134 UMIJIM V MR U'LU s 4 E9R1.4�liP v I 0 06 Cerarvfead F:�/~ria /s 26rdrd£�ci Geotechnical reports are written to provide test results, observations, and professional opinions regarding a specific site for a specific project, Reports are tailored to the client and are nfluenced by each client's risk management strategies, economical constraints, and personal preferences. Since each report is a "custom fit" for a particular client, reports should not be transferred to anyone else without first consulting the geotechnical engineer. Cach geotechnical report considers only the construction information and site boundaries that existed at the time of the investigation. Modification of construction plans, such as a change in the shape, size, weight, location, or intended use of a project, nullifies the recommendations contained in the report, unless the geotechnical engineer Indicates otherwise. A geotechnical report can not be used for an adjacent site. Time and money can often be saved by consulting with the geotechnical engineer when circumstances change from those which existed when the report was written. o .bite COaaa/f� 60ea,� G's-avv�"dv�rve�^� The conditions which existed at the. time of a geotechnical investigation can change. Investigations can only report conditions at a particular time and place and no guarantee exists to ensure that recommendations will apply after natural or man made changes occur. Examples of some possible changes include: earthquakes, floods, fluctuations in groundwater, construction on or nextto the site, and the addition or removal of soil. In addition, even the mere passing of time can affect site conditions. Consult with the geotechnical engineer to verify site conditions have not changed since the geotechnical report was completed. r CaG'®teG'/d 6d®E'eid lr6®adi?PoS /,'IJa C®di96PfduCdpa'6G➢7c`J60®y6GP6'®F705'S9®rUa®®,U66dd0UAV Even if typical G inch borings were spaced 5 feet apart across an entire site (ty pical borehole spacings are on the order of at least 10's or 100's of feet apart), /ess than one percent of the soil or rock on the site would actually be explored. From this limited exploration, the geotechnical engineer is called on to provide an opinion regarding the subsurface conditions across the site, provide appropriate foundation recommendations, and predict the response of subsurface materials to numerous scenarios using information from samples that may or may not be representative of the entire site. Obviously, most of the geotechnical report is based on the professional opinion of the geotechnical engineer. The actual subsurface conditions may significantly differ from those which were encountered during the geotechnical investigation. Consequently, the most effective method of managing the risks associated with a project is to retain the geotechnical engineer who provided the report throughout construction of the project, v Contact Y®ary GeOtenfaeddca/ Eraa/adoar Man in 630a1bt Time, money, and confusion can all be saved by simple explanations at critical moments. Please contact your geotechnical engineer whenever there is any doubt regarding subsurface conditions or their effect on part or all of any project. NCIL O. ANDERSON AND /+SSOCIAIFS 07.007 Neil O. Alderson 8 Associates, Inc.