Civil Engineering Reference
In-Depth Information
3.2 High humidity levels, roof leaks, or other moisture events will re-
quire ceiling replacement.
3.3 Vinyl wall covering installed on an exterior wall that has no out-
board vapor retarder can create a mold infestation condition, re-
quiring immediate removal of the wall covering.
3.4 Excess building movement due to thermal expansion/contraction,
wind, or differential settlement can cause sealants to separate, re-
quiring immediate replacement.
3.5 Physical damage by carts, cleaning operations, etc. can reduce life
by as much as 50%.
4.1 Reduce life by 40% for outdoor application. Outdoor installation
requires a second, weatherproof covering to protect the insulation.
4.2 In coastal areas, condenser fins and unit casing must have epoxy or
phenolic coating to protect aluminum from rapid oxidation. With-
out this coating, life is reduced by 70%.
4.3 Plumbing fixtures in middle schools suffer greater vandalism. Re-
duce life by 20% in middle schools.
6.1 Reduce life by 3 years each time the classroom is relocated.
Table 2-1. Typical Component Service Life
Search WWH ::
Custom Search