Job Hazard Analysis (JHA)Job Hazard Analysis (JHA) We write Job Hazard Analysis (JHA) every day and we make the process very quick and simple. Your JHA will be ready to use and or submit to a GC, Owner, Contractor, or OSHA quickly. Job Hazard Analysis (JHA) are required by OSHA, General Contractors, Owners, Contractors, and many companies. Job Hazard Analysis (JHA) are developed for each Job Activity and include each step for that Job Activity. If you need multiple Job