6 Evidence was also given by Mr T Mullally, a former employee of the CES from May 1989 to approximately June 1997. He was its Occupational Health and Safety Officer between 1995 and 1997. A little over two months after the accident, he wrote a Provisional Improvement Notice to the Branch Manager, Human Resources, in which he claimed there had been a failure to protect the health and safety of staff and other persons at the workplace of CES, in that, "despite a history of glass door breakage by angry clients, the dept has refused to replace non safety glass in the foyer/office double doors with laminated glass". In his evidence, he said that there had been "several" incidents of glass doors being damaged in the foyer, of one of which, he said, he had first hand knowledge. He added that there had been another incident, of which the staff had advised him. Objection was, however, taken to the evidence of the latter incident as being hearsay, and the objection was conceded. As to the incident of which he claimed to have personal knowledge, he said it would have been in 1991 or 1992 roughly, when he was working in the office. This was prior to his being appointed as the Occupational Health and Safety Officer. He had been upstairs when he heard a loud smash, which sounded like breaking glass. He went downstairs and one of the panels of the front doors had been smashed and there was broken glass in the foyer. There was no evidence as to how the breakage of the glass had been caused in this incident, or as to who or what had caused it.