developing a model for integrating safety, quality and productivity in ...

of extra efforts exerted. Moreover, quality of work will not be as anticipated.Productivity apparently increases due to extra efforts, but if workers get exhaustedtheir productivity will decline rapidly."Current security conditions affect workers negatively which would decrease bothproductivity and safety" factor was ranked in the second position among localconditions group with RII = 0.672 and was ranked in the 15 th position among allgroups factors of productivity. This result shows that security conditions have greatinfluence on construction industry in Gaza Strip. When security conditions worsens inGaza, workers who work in infrastructure projects especially are exposed to morehazards and thus a worker's brain would be occupied by worry and tension. Workers'brain being occupied by such negative feelings would have great influence on theirperformance in a manner that decreases their concentration and accidents are moreprobable to occur. Worker's productivity will decrease also due to these conditions.Errors are more probable to occur and rework actions will happen frequently."In order to overcome delays resulting from closures productivity increases whichwould increase accidents" factor was ranked in the second position among localconditions group with RII = 0.582 and was ranked in the 20 th position among allgroups factors of productivity. This result shows that workers who are forced to workmore than expected are more exposed to accidents at workplace. When delays areovercome by putting pressure on workers to work more productive, contractor mayget negative results. Accidents decreases productivity because workers will be absentand other colleagues of injured worker will be thinking of their friend which makesthem reluctant to worker with enthusiasm."Strikes and non-default nonworking days accelerates work thus affecting safetynegatively" factor was ranked in the fourth position among local conditions groupwith RII = 0.557 and was ranked in the 22 nd position among all groups factors ofproductivity. This result shows that strikes and nonworking days would affect safety.Respondents did not support this factor so much. This might be because strikes and134