It is very important to separate the shell costs from the finishes
costs when working with appropriate construction technologies.
The system separates each particular item giving a sub-total
within each sheet and general totals at the end of the system.
This section comprises the principal parts of the construction:
foundations, structure, floors, roofs and walls. The most important economies
can be achieved on these construction components, specially when local materials
In this section all the final finishes only contribute to a
minimal cost-saving using appropriate technologies. Nevertheless separate
analysis of these items an evaluation determining maximum cost-saving