4.2.2 Booth Layout Steps Step 1: Locate a building drawing showing the booth in the building. Step 2: Locate a dimension shown from a reference point such as outside wall, pit, conveyor, building structure, other equipment, etc. to the inside dimension of spray booth. Step 3: Using a chalk line, mark that dimension at two points along a wall (reference point example) and snap a line on the floor. Step 4: Locate the back of the booth and make a mark on the first line that was snapped for the first corner of the booth (I.D.), using 9’ as the first line dimension (A² example) make another mark at 9′ for the back wall of the booth Step 5: Using 12′ as our second line dimension (B² example) make another mark at 12′ from one of the corner markings of the back wall off of the first line snapped. When doing so, be sure to stay as square as possible. This is when a framing square comes in handy. Once marked, snap the second line. Step 6: Using 15′ as our third line dimension (C² example) mark and scribe an arc crossing the end of the second line snapped from the opposing corner marking of the back wall off of the first line snapped. This mark is now perfectly square to the back wall of the booth. Snap the third line between these two marks. Step 7: Pull two points off of the third line and snap a fourth line marking the interior work area of the booth. Now that the square interior of the booth is complete, proceed with the rest of the booth (exhaust chambers, fans, air make-up unit etc.) to verify that all components are placed as planned without obstruction. Step 8: Using a laser, verify building clearance, fan ductwork and air makeup unit (if applicable) orientation. Step 9: Using a laser, verify that the floor is level. Any area that will have more than a ¼″ gap will need to be shimmed. Step 10: Double check the entire layout for accuracy and to prevent losing your layout, spray clear coat over it before beginning the booth installation.
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