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((Contractor), (Owner)) - Coggle Diagram
Contractor
Inadequate contractor experience
1,2,3,4,5,6,8,10,12,13,14,15,16
I1,I2,I3,I4,I5,I6,I7,I8,I9,I10,I11,I12,I13,I14,I15
Sub-contractor
1,2,3,4,5,8,11,13,15,16
I1,I2,I3,I4,I5,I7,I8,I9,I10,I11,I12,I13,I14
Improper planning
1,2,3,4,8,10,11,15,16
I1,I2,I3,I4,I5,I6,I7,I8,I9,I10,I11,I12,I13,I14,I15
Poor site management
1,2,4,8,10,11,13,14,15,16
I1,I2,I3,I4,I5,I6,I7,I8,I9,I10,I11,I12,I13,I14,I15
Rework
2,3,4,5,10
I1,I4,I8,I9,I11,I12,I13
Outdated technology
3,4,5,8,13,14,15
I1,I2,I3,I4,I5,I8,I9,I10,I11,I12,I13,I14,I15
Construction methods
1,3,4,5,14
I1,I2,I3,I4,I5,I6,I7,I8,I9,I10,I11,I12,I13,I14,I15
Mistakes during construction
1,3,4,8,12,13,14,15
I1,I2,I3,I4,I5,I7,I8,I9,I10,I11,I12,I13,I14,I15
Insufficient number of staffs
4,5,8
I1,I5,I7,I8,I10,I14,I15
Underestimation of project complexity
4,8,11,14,16
I1,I2,I3,I4,I5,I6,I7,I8,I9,I10,I11,I12,I13,I14,I15
Preparation and approval of drawings
13
I1,I2,I3,I4,I5,I7,I8,I12,I13,I14
Mistakes in the preliminary stage (soil investigation)
13,14,16
I1,I2,I3,I4,I5,I6,I7,I8,I9,I10,I11,I12,I13,I14
Financial problems (difficulty in accessing credit)
4,8,11,13,14,15,16
I1,I2,I3,I4,I5,I6,I7,I8,I9,I10,I11,I12,I13,I14,I15
Poor communications and misunderstanding
4,11,12,14,16
I1,I2,I3,I4,I5,I6,I7,I8,I9,I10,I11,I12,I13,I14,I15
Low quality of material
1,2,3,4,5,6,10,13,14,15,16
I1,I2,I3,I4,I5,I7,I8,I9,I10,I11,I12,I13,I14
Shortage in material
1,2,3,4,5,6,10,11,13,14,15,17
I1,I2,I3,I4,I5,I7,I8,I9,I10,I11,I12,I13,I14,I15
Delay of material delivery to site
3,4,6,11,14,15,16
I1,I2,I5,I7,I8,I12,I13,I14
Escalation of material prices
4,12,14,16
I2,I3,I4,I9,I10,I11,I12,I13,I14
Poor procurement programming of materials
3,4,14,15
I1,I2,I3,I4,I5,I6,I7,I8,I9,I10,I11,I12,I13,I14,I15
Labour productivity
1,2,5,6,10,11,13,14,16
I1,I2,I3,I4,I5,I7,I8,I9,I10,I11,I12,I13,I14,I15
Equipment availability and failure
1,2,4,5,6,8,10,12,13,14,15,16
I1,I2,I3,I4,I5,I7,I8,I9,I10,I11,I12,I13,I14,I15
Labour supply
1,2,10,11,13,14
I1,I2,I3,I4,I5,I7,I8,I9,I10,I11,I12,I13,I14
Labour disputes
15
Owner
Finance and payment of completed work
1,2,3,4,7,8,9,10,11,12,13,14,15,16
I1,I2,I3,I4,I5,I6,I7,I8,I12,I13,I14,I15
Slow decision-making by owners
1,2,3,4,7,8,9,10,12,13,15,16
I1,I2,I3,I4,I5,I6,I7,I12,I13,I14,I15
Variations (design changes/extra work)
2,4,5,6,7,8,10,11,12,14,15,16
I1,I2,I3,I4,I5,I7,I8,I9,I10,I11,I12,I13,I14,I15
Unrealistic imposed contract duration
1,3,4,8,9,13,15
I1,I2,I3,I4,I5,I7,I8,I9,I10,I11,I12,I13,I14
Owner interference
1,4,5,8,13,15,16
I1,I2,I3,I4,I5,I7,I8,I9,I10,I11,I12,I13,I14
Poor communications
4,7,8,12,16
I1,I2,I3,I4,I5,I6,I7,I8,I9,I10,I11,I12,I13,I14,I15
Poorly defined scope
4,8
I1,I2,I3,I4,I5,I8,I10,I12,I14
Poor feasibility and project analysis
4,8,16
I1,I4,I5,I7,I9,I11,I12
Obtaining permits from the municipality
13
I1,I5,I6,I7,I12,I14