1102 GRAND AVE 2016-01-01 MF Import

Octobcr 1 I,201 I Mr. Han�cy Jubic L&;A Job T'o. 11-064 Page 15 should 6c graded to direct sturni runott� to tlow an'ay &om the adjaccut stccp slope into catch basins installcd in dic dri�•c�vay�. DRAINA(:F. CONTROL l3uilding Footprint E�cnvution E�ca��uticin of Uuilding fiwtprint of the ne�� residence, if encountering �Roundwater, shuuld have tl�e bottom of cxcavation sloped aiid ditches escflvated aloug the bases of cut bunks to direct ground�eater seepage to Slo�i� into a sump pit from ��hich �ti'ater can bc pumpcd out of the pit into u ncarby storm inlet. A Izper of 2-utcl� cruslicd rocks sliould be placeJ u�•er limi suhorade soils under footinEs, as required, to protect thc soils front distutb:+ncc by construction equipment and loot tratlic. This crushed rock base should be built to a few inelies abo��e groundwater level,but not less than 4 inchcs thick. Tl�e crush cock buse should be compucted in 12'm�1' �'�ZS �° � °O° ��ielding state ��ith a��ibratory mccl�aiucal compactor. Runu[f ovcr Impcn ious 5urfaces Stonn nmoff o�•er impervious surfaces, such as roafs and paved areas, sliould be collected by underground Jrain line syslems connected to do��'nspouts :uid by catch basins instulled in puved areus. Swmiwater thus collcctcd should 6c tigl�tlined ro discharge inw a neurby storni se��'��• 13uildiu�Footiug Drains :1 subdtnui sltould be installed arnund the perimeter foutings of thc nc�� residence to minimize accumulation of ground��•atcr undcr tlre building. The subdruins should rnnsist of a �-inch- minimum-diatnetcr, perfornted, ri��id, drnin pipe,laid a fe�� inches belo�v the bo[tom of perimeter footin_es• The trenches and tlic drain lines should have a sufficient �ruJient (0.5 percent miuimuiul to �-enrrate Ilu�� b�' grarii�'• ��lic dr�u� ��s should bc cncloscd in ��'nshed gra�'e1 and LiU Sr. ASSOCIATES, INC. ,;� ��