The process (and result) of installing
a newer and improved asset
the "challenger" asset)
to replace the
existing asset (the "defender
Upgrade projects may have the following physical attributes:
Upgrade projects may have the following financial
An upgrade may result from the following replacement drivers:
Examples by System
Some examples of upgrade projects include the
Examples by Driver
- Replacing a low-efficiency boiler with a
- Installing stone tiled flooring over a
cheap resilient floor.
- Replacing a conventional fire alarm
panel with an addressable panel.
- Retrofitting a spring loaded overhead
gate with weight-and-beam mechanism.
- Replacing DHW heaters with boiler and
storage tank configuration.
- Replacing a polyurethane roof with a
2-ply SBS roof.
- Modernizing the existing elevator relay
controls with solid state controls.
- Conversion from chlorine to saltwater
pool disinfection system, including copper to steel heat exchanger
- Retrofitting a domestic booster pump
assembly with variable speed drives (see: VFD Retrofit).
A. Examples of upgrades resulting from economic obsolescence:
B. Listed below are some examples of
upgrades resulting from
- Boiler-and-Tank Retrofit
- Copper-to-Pex Retrofit
- T12-to-T8 Retrofit
- CFL-to-LED Retrofit
- Spring-to-Weight Retrofit
- DDC Retrofit
C. Examples of upgrades resulting from legal obsolescence:
- Relay-to-Solid State Retrofit (see:
- Conventional-to-Addressable Retrofit
- PVC Encapsulated Cyclinder
- Sprinkler Head Retrofit
- Emergency Telephone Retrofit
Fig. Polyurethane roof (12 year life) replaced with
upgraded SBS roof (20 year life).
Fig. Elevator relay controls replaced with elevator
solid state controls.
Fig. Triplex booster pump package
replaced with package that includes VFDs.
Fig. Retrofit of a conventional fire alarm control panel (FACP) to an addressable system.
Fig. Retrofit conversion of tank-type domestic water heating system to boiler-and-storage-tank configuration.
Fig. Retrofit of elevator hydraulic cylinder with PVC corrosion protection.