Estimating Demolition

Contact Length

For an addition, type in the total length of contact between the new addition and the existing building. For a multi-story addition, add up the contact length on each floor and type in the sum of the lengths. For other types of projects, type in 0 (zero). If you are building a completely new wall between the old and new structures, include it in with interior partitions, don 't include it here.

Wall Demolition

A 'suggested' value, for the length of existing walls that will either be knocked down or gutted, will be displayed in this cell. Type a new number to change the value that was calculated by the MacNail construction estimating software.

HINT: To see the latest calculated value choose Calculate Now from the OPTIONS menu.

Demolition area

A 'suggested' value, for the square footage (area) in the existing structure that will have its ceilings and/or floors either knocked down or gutted, will be displayed in this cell. Type in a new number to change it.