Water Pollution

Unforeseen Situation

Design Inefficiencies

Fragmentation

Unfavourable season

Improperproject

planning

Land area

Budget

Time delay

Work progress

Miscommunication

Cleared site

Enforcement

Proper facilities

Unfavourable sitecharacteristics

Malpractice

+

-

-+

+

+

Rain

+

+

+

+

+

-

+

+

-

-

+

+

+

-

+

+

-

-

+

-

+

R

R2

B1

B

-

+

+

TraditionalProcurement

-

+

Approval process+

+

TimeConstraint

+

+

-

-

R1

B2B3

B4

R3

R4

R5

R6

R7

R8

R9R10

R11

-