L - Let incoming units know what you want them to do or where you want them to go (Staging, etc.).We do this by transmitting the components of the acronym as follows: Smoke / fire conditions present (Nothing showing, light - moderate - heavy, Working Fire!).Type of occupancy (nursing home, garage, house, etc.).Type of construction (wood-frame, masonry, steel, etc.).When used upon arrival, the IDEAL size up acronym provides a description of the situation that includes the following: This is where the IDEAL acronym comes in. These acronyms are nice when you have the time, but if you're arriving on the scene and, as usual, have many tasks to accomplish in a short period of time, you really want a "mind-jogger" that is going to give you the opportunity to both size-up the incident and provide a timely, comprehensive first-in report. Then, someone threw WALLACE WAS HOT and COAL WAS WEALTH at us. We first learned RECEO and thought life was good. What's often times frustrating for these "chosen few" is that the fire scene size-up acronyms we are taught get quite lengthy and confusing. One of the most important tasks performed by the person sitting in the front passenger seat of fire apparatus ("The Chosen Few") is giving a first-in incident size-up report. We have SCBA's, TIC's, ICS, NIMS, WMD, CBRN and on and on and on. One area of traditional behavior is our love for acronyms. The fire service is deeply steeped in tradition.