They are: Availability & adequacy of clinical services; Functional Fire Extinguishers; and Clarity of Emergency Exit. The results show that performance level of two the three key
elements (Availability & adequacy of clinical services; and Functional Fire Extinguishers) exceeded the minimum standards with t-values of 5.757 and 3.245 respectively, both are greater than the critical value of 1.99. These results are also supported by the observation of good clinics at Quarry site and Main yard, where activities are always on-going.