1619 ORCA VIEW LN 2016-01-01 MF Import

i I I I , . . . ,� � C:dgemoor Ilcights File No. 842-1A �' August 14, 1984 Page 4 sliding, or conditions rclated thereto are not obscrved. On-going soil creep is suspected along the lower slope elevations, particularly within arcas affected by poorly drained soils. Construction Considerations: Development of areas adjacent to steep slop�s sliould be accomplished with the understanding that a degrce of rist, will persist over time. Slopes are Jynamic features in the gcological sensc, ❑nd arc pror.c to adjustment over the long run. For this reason, construction setbacks f.com the Ureak-in-slope or slope face are commonly employed. As a matter of practice the use of development setbacks from slope features is pru- dent, and provides the property owner with an increased degree of build- ing performance over time. In cases where space constraint•s are such that setback spacc is limited, the use of foundation systems �ahich pene- trate into the hillside soils �iitl provide :�n effective setback from the ' slope facc. [t would �ppcar that scveral of thc subject building lots will be affccted hy spacc cunstraints and that convcntional sctbacks will not he possible. fiffective setb.ick can be attained in these cases with the usc of rcinforced drilled picr or drillcd pilc ;ind grade Ucam fotmdations. Such foimdations arc commonly cmploycd with su�cess, ,�nd :ire within reason,�ble economic limitations for premium residential sites. In concept, the deep Eoimd�tion system wuuld pene[r:�te into the hillside to n �Icpth sufficicnt to : 1) encounter sui.t;�blc bcarinA soils; 2) devclop adequate horizontal restraint for the fowid:ition olrmen[s; and 3) to achieve :i re:isonable efEective setback from the slope face. The depth of four ';i[ion penetration, sizing and reinforccment would be dependent on specific building Jesign, siting :u?d the physical character oF the soils within a given lot. Such Jesign level considerations should be based on dctailed exploratory i.nformation. Gxploratory borings and appropri:�tc data should bc obtained [o a depth �Icrmcd sufficicnt by the design professional . Wc suggcst th,it t�:e nativc vcgetation cuvcr within slopc arcas bc lcft