Shortage of manpower
Presence of unskilled labors
Shortage of materials
Delay in materials delivery
Materials price regulations
Modification in material specifications
Shortage of equipment
Failure of equipment
Shortage of technical professional in the contractors organization
Insufficient coordination among the parties by the contractor
Delay in mobilization
Safety rules and regulations are not followed within the contractors regulations
Incompetent technical staff assigned to the project
Improper technical study by the contractor during the bedding stage
Poor planning on scheduling of the project by the contractor
Improper handling of the project progress by the contractor
Ineffective quality control by the contractor
Financial difficulties faced by the contractor
Delays by the contractor payments to subcontractors
Delays in site preparation
Delays in contractors claims settlements
Work suspension by the owner
Too many change orders from owner
Slow decision making from owner
Inference by owner in the construction operation
Delay in progress payments by the owner
Financial constraints faced by the owner
Insufficient coordination among the parties by the owner
Ambiguities and mistakes in specifications and drawings
Poor qualification of consultants engineers staff assigned to the project
Delay in the approval of contractor submissions by the engineer
Poor coordination by the consultants engineers with the parties involved
Slow response by the consultants engineers regarding testing and inspections
Slow response by the consultant’s engineers to contractor inquires
Severe weather condition on the job site
Difficulties in obtaining work permits