A 2-1/2 inch condensate connection from fan coil pans feeds into a piped trap assembly featuring a cleanout tee with a female national pipe thread brass plug. The drain line slopes at 1/8 inch per foot and extends through the exterior wall with a 2-1/2 inch vent termination positioned a minimum of 3 feet 8 inches above the top of concrete. The discharge pipe terminates with a 1-inch minimum air gap above a 4-inch roof receptor. The receptor connects to a 4-inch sanitary drain line running below the Level 29 concrete slab.
1"MIN 5-1/2" MIN 1'-0" MIN. 3-1/4" 5-1/2" 2-1/2" 2-1/2" TOP OF CONCRETE (TOC) LEVEL 29 1" AIR GAP MIN PIPE DIAMETER OFFSET: 2-1/2" NOMINAL FALL AS REQUIRED TO MAINTAIN 1% SLOPE 2-1/2" VENT TERMINATION THRU WALL MIN ELEV. 3'-8" ABOVE TOC CLEANOUT TEE, FNPT W/ BRASS PLUG (TYP.) SLOPED TO DRAIN AT 1/8" PER FT. 2-1/2" CONNECTION TO FAN COIL PANS. PANS BY MECHANICAL EXTERIOR WALL 4" ROOF RECEPTOR 4" DRAIN TO SANITARY
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