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DtAZ YOURMAN <br />a �nxo�i xas <br />drain. DYA s tasks consisted ofrevicwing existing daut and aunnlarizing our nlgincctiug analyses, which <br />provided eslimales of additional lateral su-esses on the slUnn drain using simplified medwds, additional <br />lateral guesses im the Storm drain using finite element analyses, and evalllation of var iniq ground <br />improvement schemes to reduce the additional lateral stresses, tnduding deep soil mixing and chernical <br />gf011t infection. DYA provided recommendations oil the impi'ovemellt of tile subgrade ill the LR-T's right- <br />of-way. Mr. Sandoval provided construction observation doling the fnound improvcutcilL. Measurements <br />during cuns0110iun conlnmed DYA's calculations. <br />LAX Design/Build New Central Utility Plant (CUP) Construction Services, Los Angeles, CA— Project <br />engineer fur ohscr-valion services doting construction for shoring; earthwork (excavation and reurmpactiun <br />of existing uncertified till, and backfill of deepened spread foomil-s for replacement CTJP); foundations <br />(deepened spread footings for replacement CUP and cast -in -drilled -hole [CIDII] pile foundations for <br />replacement cooling lowers/maintenance building); and utility trenches forconduit connecting replacement <br />(Uf' to the replacement cooling mwers/maintenanec building and to the City of Los Angeles Department <br />of Water and Powcr (LAT)WP) TS2299 sl;16011 Mr. S:mdoval provided consu-uclion uhserraitiun during <br />shining, site preparation, excavation of uncertified till, placement of fill and hadttill, ciunpaction, <br />foundation installation, and prepared reports. <br />Empire Avenue / Buena Vista Crade Separation Horizontal Directional Drill (HDD) Backlill <br />Construction, Burbank. CA — Project cnglncer for construction obsci-vatlon and tcsnng services for two <br />hotizonurl directional drills (HDD) to reroute underground utilities on the Empire Avenue / Bucna Vista <br />Grade Separation project that was amtbinedwith rho widening of Intersrlte 5 by Calu,lns. 'fhc I I DUB wcrc <br />approximately 900 foot long and 10 foot drop and 2,800 foot long and 60 foci deep. DYA had previously <br />performed a field investigation and laboratory testing to provide recommendations for the IIDDs. Mr. <br />Sandoval performed the field services. <br />Northridge Fashion Center Yard House and Exlerior Plaza, Norlhridge, CA— Projcu cugiuccr for <br />ubservaliun and testing during rtrthwork at the Northridge Fashion Center Yard House Hxterior Plaza. I he <br />inlprOvunents to an Oxisring retail ,hopping mall inebided irnprovernents to ai building space for a <br />restaurant, a Vc)licic nuniel and ramp with Portland cement conuetc (PC'C) ;lab -on LIrade, ramp retaining <br />walls, backfill of an old basement_ landscape areas, light -pole foundations, runoff retention and infiltration <br />sysrcmn it grease imetccptor tank. and excavation and miscellaneous grading excavations and backlil)s lbr <br />plumbing, cicOt-ical utility lines, concrete Ilatwork, landscape, and harclscape (c(4ts and tills less than <br />2 fool)- The purTmse of DVA's scrviccs turimt construction was ul chock Ihai the soils cxpoticd wcrc <br />consictcut with the coil Conditions upon which DYA's recommendations wcrc hasedl dud to check that tltc <br />construction operations were performed in a manner consistent with the intcut of the plans, specifications, <br />City of Los Angeles grading code, and DYA's Design Report. Mr. Sandoval provided geotechnical <br />observation and testing during construction. <br />Hear Berths 136-139, Terminal Buildings Construclion, Port of Los Angeles, CA — Field cugiuccr <br />during con;uuctiun of the buildings and pedlesni:an bridge. DYA provided gcurechnical invesligetiun <br />somcce at this site, including a field investigation and recommendations tnr Crrnsuvctiim. The Port of l.os <br />Angeles (POLA) wanted DYA lobe the geotechnical engineer of record and ut prepare the cmnPaIdlon and <br />pile driving/installation observation reports for City of Los Angeles Department of Building and Safety <br />(LADB&S) approval. Mr. Sandoval served as the regist.7cd deputy inspector to observe the POLA slaff <br />per-fonn field density testing; observe the earthwork atbuilding and palestrian bridge locations; and observe <br />for tlizlli le �wuinsutlauo❑ — 60 16` 2021 site <br />