The Council on Certification of Health, Environmental and Safety Technologist (CCHEST), which itself is a division of the Board of Certified Safety Professionals (BCSP), offers various certification programs, one of which is the Construction Health and Safety Technician (CHST).

The CHST exam tests knowledge and ability of professionals in maintaining health and safety standards at construction sites, training workers in OSHA regulations, taking work site audits, and awareness of legal and ethical issues involved in health and safety.

CHST exam is computer based and offered at Pearson VUE locations.

The CHST Certification is necessary for professionals working as safety and health technicians at construction sites, preventing accidents, illnesses and injuries. CHST may work full time or part time at construction sites. 

CHST certification enables professionals to a better pay, status, job opportunities and benefits the employer by enhancing worker confidence and increasing profitability by preventing accidents and hence insurance claims.


Candidates taking the CHST exam must satisfy the following eligibility conditions:

  • Must have High school Diploma and must be an OSHA Instructor. Or 40 hours of classroom training of Construction Health and Safety.
  • Three years of construction work experience preferably in safety and health.
  • If the candidate possess an Associate degree, then two years of construction work experience is required where 35% is in safety and health.
  • Candidates, who do not meet the CHST eligibility conditions, can still attempt the exam.  If they are successful, they are awarded the Associate Construction Health and Safety Technician (ACHST), which is a temporary certification indicating advancement towards a CHST. 


The CHST exam is a 200 multiple choice exam with time duration of four hours.  The major domains of the exam are:

  • Program Management-58 questions
  • Worksite auditing-80 questions
  • Training-54 questions
  • Professional Responsibility-8 questions

Study Materials

The BCSP maintains a list of study centers where review and study courses are available.  The BCSP also maintain a Library of Safety Practice which includes comprehensive material for each domain of the exam. 


The exam is scored based on the difficulty of the questions asked in the exam. Pass scores are usually 75% of correct answers.


  • An annual fee is required
  • Recertification requirements as per rules in the recertification guide.

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