1506 GRAND AVE 2018-01-02 MF Import

March 14. 2010 nddition lo Slceves 1Zcsidencc L&n Job No. 10-008 Paec 12 stecp slopc includc: gculogical constraints (such as soil and hydrological conditions) of tlic site. haz.jrd from development to suhjcct properly and s�rrounding properties/right-of- ways, impact of construction mcthod and tcchnique on critical arcas. mitigation of impacts on critical areas. impact of utility installation and road��ay construction on �zcologically hazardous arcas. ctc. Thc su�jcct sitc is undcrlain b�� dcnsc siity sand and hard �inc sandv silt of high shcar strength with high resistance against dcep-scated slopc failures. 'fhercl'orc, gcological restraints of thc sitc which may impact thc stability of thc acljaccnt stcep slopc arc cithcr non-cxistcnt or can bc minimizcd to an acccptablc Icvcl of risk if thc rccommcndations in this rcport arc tully implcmcntcd and obscrvcd. 'I�hc vcgetation wvcr on thc stccp slopc should bc prescn�cd and not to bc disturbcd. Arcas dcvoid oC vcgetation covcr duc tu cunstruction activitics should bc sccdcd and re-vegctatcd as soon as possiblc. Wc undcrstand that grading li�r thc construction of thc ncw addition, thc dcck and drivc��ay will be uchicved with com�cntional carthwork equipment. ]f the recommendations in this rcport arc followcd during grading �vork, thc construction mcthod and tcchniquc should havc little impact on the stability of thc adjaccnt steep slope. Sincc the driveway and utility lines ��ill approach thc ncw residcncc from thc strcct sidc a�vay (rotn thc adjaccnt stccp slopc. drivc��ay construction and utility installation should also havc minitnal impact on thc stability of thc acljaccnt stccp slopc. 'I'o maintain the stabili�� of thc adjaccnt stcep slopc. thc new addition should bc sul'ticicnUy sct back I'rum thc crest of thc slopc of gradicnt 40% or morc. lt is our opinion LIU & ASSOCIATES, INC. i � I �3 ��