1222 GRAND AVE 2018-01-02 MF Import

April 7, 2005 Mr. Don Levin L&A Job No. 3A037 Pagc 13 walls cyual to thc wall hcighL A 4-inch perforatcd PVC footing drain pipc, as rccommcndcd in thc DRAINAGE CON'IROL scction of this rcport, should bc providcd for thc basemcnt or cxtcnded footing walls. Thc footing drain lincs should bc hydraulically conncctcd to thc drainagc blankct bchind thc walls. SI,AB-ON-CRADF. FI.00RS Slab-on-gradc (loors, if uscd, shoulJ bc pl.iccd on firm subgradc soils prcparcd as outlined in thc Sitc Preparation and Gencral Gradink and lhc Stnictural Pill scctions of this report. Whcrc moisturc control is critical, thc slab-on-gradc (loors shoulcl bc pourcd on a capillary brcak ��hich is in turn placcd on thc compacted subgradc soils. Thc capillary brcak should consist of a minimum four-inch-thick I.rycr of frco-draining gr.rocl or cnishcJ rock containing no morc than 5"/„ by ��cight passing thc No. 4 sicvc. Nc recommcnd that a vapor barricr, such as a G-mil plastic mcmhranc, bc �;laccd ovcr thc capillary brcak to kccp moisturc from migrating up�vnrds. DRI�'E�VAI' I'A�'H:�1F:N'I' Pcrlormancc of driveway pavcmcnt is critically rclared to thc conditions of thc undcrlying suhgradc soils. �Vc rcconuncnd that thc subgradc soils undcr thc road��ay bc lrcalcd and prcparcd as dcscribcd in thc Sitc Prcnaration and Gcncral Gradin� scclion of'this rcporL Prior to placing thc basc matcrial, thc subgraJc soils, allcr stripping of surficial unsuitablc soils, should bc compacicd to a non-yiclding statc ��ith a mcchanical compactor and proof-rolled �vith a piccc of hca��y conslniction cquipmcnt, such as a fully-loadcd dump truck. Any arcas ��ith esccssivc Ilcxing or pwnping shoidJ bc ovcr-c�cavatcd anJ rc-compactcd or rcplaccd �vith a stnictural fill or crushcd rock placcd and compactcd in accord:mcc ��iQi thc rccommcndations providcd in thc Structur:il Fill scction of this rcport. LIU & ASSOCIATES, INC. � � I I �� ) �