Roof Units Elevation

For example assume the unit rise from the designer is six inches.

Roof units elevation. Weatherexpert units available in 3 23 ton sizes use multi stage compressors a single refrigerant circuit and sav staged air volume logic to provide part load efficiencies that lead the industry. Layers are used to separate unit outlines clearances dimensions and connections. A six inch unit rise means that the roof rises six inches for every 12 inches which is the standard roof cutting basic unit of measurement. 12 feet x 5 12 5 feet.

On a 38 degree sloping roof angle t each individual vertical rise of 9 4 y 1 would have a horizontal run x 1 of 12 inches. Drawings are provided in autocad 1 dxf format drawing interchange format and can be easily used in a variety of cad software packages. Rooftop units in the 5 pro core 20 and 40 series are smart equipment enabled or smart equipment optional. If you have blueprints directly from the designer the unit rise should be listed for the roof.

Then calculate distance to peak x roof slope where roof slope is the rise run. For example for a 5 12 roof slope and a distance of 13 feet the height for the peak of the roof above the current floor would be. Common rafter elevation if you are calculating rafter length from the center of the ridge beam as shown below you will need to subtract half of the thickness of the ridge beam from the top end of the rafter. Any break in elevation 19 or greater osha requires a step or ladder to be provided.

Mark a tick on the floor surface to indicate the spot above which will lie the roof peak. 3 28 ton rooftop units 48 50tc q 48 50kc q 48 50hc q 48 50lc energyx models. Take a look at any changes in roof elevation that you have. For example if the roof rises 4 feet and the span is 16 feet twice the run then the pitch is 4 16 or 1 4.

Select johnson controls rooftop units are smart equipment enabled meaning they already have controls embedded and can seamlessly connect to a controls system and self discover other smart equipment. So here s a quick and easy by the numbers guide for distances that come into play when discussing rooftop safety on flat or low slope rooftops. Total roof rise or change in elevation for a 38 degree sloping roof angle t with one giant rise or step of 7 8 feet to the center of the attic y 2 would have total a run x 2 of 10 feet.