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6 <br />qal^NnWATRR nONDlTIOMS_ <br />f Free groundwater was encountered in the boring at a depth of <br />3' below existing grade, corresponding to elevation 928.1*. The <br />water elevation in the North Arm of Lake Minnetonka, <br />approximately 110' northeast of the test hole location was 928.2* <br />Had our period of observation boon longer, the water level in the <br />boring would have risen to match or slightly exceed the lake <br />water level. <br />The observed groundwater level at the site represents a <br />permanent groundwater table, coinciding with the level of Lake <br />Minnetonka. (The design 100-year floor flood level of Lake <br />Minnetonka is 931.5*}. <br />Excavation extending below elevation 829* to 828* will <br />likely encounter major groundwater intrusion, and provisions will <br />have to be made to control the groundwater. <br />SIRU-CTHRAL INFORMATION— <br />The existing building is an old, 1-story wood frame house, <br />with a shallow crawl space under. We understand that an addition <br />to the original building was constructed in about 1954. The floor <br />level of the house is about 1-1/2 feet higher than the adjacent <br />outside grade. <br />■ <br />smuuukMuui <br />687S Hmv 65 SC <br />PO Bom32J08 <br />HiwecpoU. HN SS432