Loading...
HomeMy WebLinkAboutDEV 2017-0229; VERSUM MATERIALS CHANNEL STABILIZATION; SUBGRADE OF CONCRETE BROW DITCH; 2017-08-21OPY =-ai /4D_ GROUP DELTA TECHNICAL MEMORANDUM Project No. / Name: SD535 /Versum Materials. Swale Renair Prepared for: Bill Elkins, Versum Materials Prepared by: Taylor Latimer, P.E. Date: August 21, 2017 Subject: Subgrade of Concrete Brow Ditch The subgradfor the planned concrete brow ditch, or "terrace ditch," as shown in the attached figure, should be constructed per the recommendations in our geotechnical report. The section titled Improvement Areas specifically, addresses subgrade preparation. To clarify, it is not required to have imparted fill or material with very low expansion potential. The recommendations for Cable Concrete may also be followed for the terrace ditch subgrade preparation. Reference: Report of Geotechnical Investigation, Versum Materials - Swale Repair, / Carlsbad, California 92011, GDC Project No. SD535, GDC Document No. 17- 0087, dated July 26, 2017. i f N N RiEcvED NOV 022017 LAND NPMENT 2' VERSUM DRA INA GE CHA NNEL DE TA IL CABLE CONCRETE CABLE CONCRETE LX, PILOT LX. GRADE CHANNEL CONSTRUCTION J CONCRETE J BENCH TERRACE DITCH SECT/ON DETAIL 'A' SCALE r: 5' ©2017 O'Day Consultants, Inc. C: \l 2I0'I\I22lAC.d,q 0q 21. 2017 2 56pn X,nln: I2IO2l—S,—fonn 0,?~AA7 CONSULTA TS 2710 Laker Avenue West Civil Engineering Suite 100 Carlsbad, Planning California 92010 Processing 760-931-7700 Fax: Surveying 760-931-8680 01)ayConsultants.com