Re: soils testing - Laserfiche WebLink

Home Browse Search

03/08/2007 10:43 7632635912 ADVANCE WALL SYSTEMS PAGE 01/02 T = INSTANT TESTIN MPANY Co125 West I ZF+th Strew.Suite •Swage,MN 5537 �5 91 ■ PHONE.952-890-7366•.FAX:952-890-5883 V ANNIVERSARY 2003 February 27, 2007 Mr. Chad D. Hess Advance Wall Systems jPhone, 763-263-8512 16927 - 231st Avenue Northwest Coll : 612-685-8415 Big Lake, Minnesota 55309 Fax: 763-263-S912 RE: 2709 Walters Port Lane (Ref : Dunkle' R silence) Orono, Hennepin County, Minnesota As requested, a site visit was made on F r L.Irr 26, 2007 at 1:19 P.M. to evaluate reported questionable ocils n in excavaLion, for construction of an attached garage at a 610 amily residen ial structure. At the time of the inspection, the resid 1w under going extensive renovation and an existing garage had boo, f m ed from the ste. Observations indicated that the new cons i will general 'y occupy the footprint of the previous structure, t: it to the west side of the residence. Footing trenches, at app i a tly 4 feet in depth, had been completed in the east/northeast eluded 1 to 1 1/2 foot steps to lower elevations in the NE and _ �II r rs- Soils at the base of the footing trenche b`sted of a mois slightly mottled, sandy lean clay, with Aiha saturation of surface soils near the mid-point of the east foo 1 e. To assess the strength of the soils, a 5/8th inch dia s oth probe was uswd to penetrate the soils at random along the n lines. With full body weight applied, the probes indicated pen aii of 4 to 5 in hes, consistent with soils of acceptable consta t n. The footing excavation within the SW sect »I �o the pad, which contained reported questionable soils, h :6 -11 6 e temporarily backfilled prior to our arrival . Observations were the south line was re-excavated near the east and. At tho 9x ato mid-point of the trench, loose fill materials were encount. d the trench as subsequently sub-cut 2 feet to achieve c e soils, with he excavation extended west to the sw corner' >r organics and ecayed woody materials were observed. The trench was sub-cut an additional 1 1/ 1 f t at the SW corner, to a gray silty clay, removing the referenced it ble organic/w ody materials. Probes conducted the length o l trench indicated acceptable strength, with a moderate incr s 1 penetration to 101', within the sub-cut zone at the SW corner. A 1 /8" fluted ha auger