Loading...
HomeMy WebLinkAbout5-3; EL CAMINO MESA UNIT NO. 2; CERTIFICATION OF SPECIFIED FILLS; 1964-12-12ii. o ... December 12, 1964 Federal Musing Administration 1415 SIxth Street San Diego. California RE: Job No. 2.2114 El Camino Mesa, ljnit No. 2 Carlsbad, California S. • Subject: Certification of Specified Zn accordance with Section BS of J'.N.A. Data Sheet 79-B Gentlemen: 'Vtlth r*fereñcs to the subject subdivision, the results of cur soils stiga1n and Zatoatory test., as outlined in our r.port dated April 20, t 964, Indi " cate the following. I I • Dtrlmental settlement or heaving will not occur U the r•con, *nsudatton.s and specifications for the coastruttlon of controlled fill are followed - Z. The natural foundation soils are adequate to safely support the flu material and/or the proposed residential Structures. Square or continuous footings, placed a rnlntnnzzn of 12 inch.. Into the natural ground may be safely designed using a bearing value of 1 500 pounds per square foot. The recommended bearing pressure for square or continuous footings placed a minimum of 12 lnch•s into fill material to 1500 pounds per square foot. 4&, maximum Mop, ratio of one and one half horizontally to one vertically for cut slopes, and two horizontally to one vertically for £111 slopes should not be izceded. Respectfully submitted. NC E. BrisnEmith IRCE 13,818 1 S:amj cc: Cauar Construction Co. - - - - - - _ - .- -. - DRESSELI-IA LIAENSIS• : • • S 5 CONSULTING CIVIL ENGINEERS * - ' 525 OU+K. WLL.STREET + OCEANSIDE, CALIFORNIA + PHONE 722-2126' DecemDer 14, 1'#b4 .4 Karnar Construction Company 325 Elm- Avenue - '- Carlsbad, 'California RE Job No. 2-2114 El Camino Mesa, Unit No. 2- -. Carlsbad. California Gentlemen At the request of Mr. Jerry Rombotis of your organization, we have made an investigation of the surface and subsurface soils conditions at the site of the proposed El Camino Mesa, Unit No. 2 Subdivision in the City of ' -Carlebd, California. - ' '•'_l Our investigation indicates that the proposed structures can be safely supported on square or continous footings'piaced"a minimum. of twelve Inches into natural undisturbed soils, or in compacted fills if the recom- mendations contained in the attached report are followed. Satisfactory fill material can be obtained from the on-site excavations ' The accompanying 'report includes the results of the surface soils inspect- ion, subsurface exploration. and laboratory tests,, and the reasoning sup- .' porting the conclusion and recommendations contained therein.. Certifi- - cation& required for YHA approvai Of the project are attached. Respectfully submitted, -o 4°bRESSELHAUS ENGINEERS - 4f .4 E. Brian Smith RCE 13, 817 EBSes Enclosures Certification of Specified Fills Soils - InvoetigationRepofl ' •-.. - - •. ,r' - CC FHA(2) - City of (arthbad, Building Department ,' - ,t••, - ''. ' - .4 -- . 4 . - " - - L. •' ••4 _.% 4 - • - -. - - • - • .4 . • r 4'