Rubuta ci gaba don wannan sakin layi - Yayin da yake a Parsons, Chalhoub ya jagoranci kwamitin kan keɓewar tushe a Structural Engineers Association of California (SEAOC) kuma ya haɓaka ƙa'idar ƙira mai sauƙi game da ƙirar girgizar ƙasa ta amfani da masu shawo kan girgizar ƙasa wanda aka gabatar a karon farko a cikin Dokar Ginin Uniform a 1990. Hanyoyin da aka sauƙaƙe sun taimaka wa injiniyoyi a duk faɗin duniya su ɗauki kuma su yi amfani da ra'ayoyin injiniya a cikin aikin su na yau da kullun, suna ba da ingantaccen ƙira, amma ba tare da ɗaukar nauyin kansu da ƙwarewar bincike ba. A matsayin memba na Hukumar Kula da Gaggawa ta Tarayya, kuma a matsayin Injiniyan Civil (P.E.) da Injiniyan Gine-gine (S.E.) a Jihar California, ya yi aiki a matsayin babban injiniya a cikin ayyukan agaji na bala'i a girgizar kasa ta Loma Prieta, da girgizar kasa ta Landers, da girgizar kasa ta Northridge
, manyan bala'o'i uku da suka yi sanadiyar rayuka da biliyoyin daloli a dukiya da lalacewar kayan aikin jama'a.