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Oo <br />ENVIRONMENTAL STRUCTURES, INC. <br />STHUCTURAL ENG INEE RS & CONSULTANTS <br />FIELD REPORT <br />EIELD HEPCIRI liD: tBl-23 <br />PFOfEEI: 41O N. ttAIN ST, SqIIIA ANA, CA <br />Es. <br />I <br />OESERITNIfOI{S: <br />1) GBIERAL <br />7) PARAPSTS <br />^ <br />B <br />@NEIGITRArIOIiI - see enclosed sketh for: the buil di-rlg layout . <br />titrl'GlE tr SIDRIES - 2 (F:ssibl.v 3) at the front of the buir'ling - <br />three stories rv"ith a pssible basetnent- ar- the rear. Dle t-o <br />l imited acress only the.top leve1 arrd front 1/3rd o€ the gror.frd <br />level !,ras revieked. !\r11 access to r}re tot-a I buitdincJ 'rilt be <br />required tEfore any des ign or analysis can @in' <br />TYPE OP CCIaS'ITrcTICN/SC(NLDIESS OF I.CTRTAI.S - brick perlrncter <br />walls with v,rcod framerl interior rvalls, rcof arrl f l6rs. Fourrla'"ion <br />is a corErete slab on grade. l&)rtar ioints b€r-ween bricks \,,Ere of <br />very poor csnent quality. I'brtar could very easily be scraped out <br />frcrn betvJeen bricks wi th a scre$, driver. <br />A <br />@aaSITL.EIION - brick vi'rich projects approxirately 30" abcve r@f . <br />tlo add itiona]- bracing or reinforcinq was cbsenrerl. Parapets vrill <br />need to be reinforced to assure tllat t-hey do rrft crpnt-e a safet-y <br />tnzard durirq an earthquake. <br />PERIIIEIER - the ural ls are c.onsr-ructerl of 12 " thick brick arri <br />nortar. the rmrtar joints are very poor. (Refer to 1-{ above ) . <br />It wilL be necessary to run "in pl-aee" shear tests on ttre brick <br />joints as reqr-rirerl by section B-2cro6 (e). Based on this test, <br />rectcnn€ndations can be made to correct- arrd/or protect exterior <br />expose<l ioints. .ihe vert-ical ]-oad bearinq systqn as cbserve<l on <br />t}Ie top level is ecmposeri of concrete beams and col t[Tlns spaceri <br />et 2O' on center. The and adequacY of t-his svstern will need <br />to be evallllted. The post and bearn sysLefi c.ould rr)t b€ reviellrd <br />due to lack of access to ot-her FDft- icrns o€ the struct-tlre. <br />If this systern is fotrrd aderpate it nray be Fossi.ble to brace t-he <br />brick walls between the rrncrer-e qrid svstem. Ttrere will be <br />testinq requirerl on t-he .ioncr-et-e frames. 'iee enctosed section <br />sketch for assurnr:l laycut-. <br />-/-/ <br />BIE: t /n/a4 <br />PROJEET NC: t).83-?119 <br />c <br />3 ) !'ALLS