2 Waste water should fill the pipe ______ full. 6 1/6 to 1/3 16 1/3 to 1/2 32 1/2 to 3/4 Does not matter as long as it is sloping Table 703.2 The maximum DFU capacity downhill – of a 4-inch pipe in the horizontal position is ______. A vent in a drainage system is used to 32 ______. 35 equalize the air pressure on both sides of 48 the waste water flow 216 keep the water seal from being blow out of 256 the trap keep the water seal from being siphoned Table 703.2 The maximum DFU capacity into the drainage pipe – of a 5-inch pipe in the vertical position is all of the answers provided ______. none of the answers provided 48 216 Table 703.2 A 2-inch vent pipe has the – 256 capacity to handle ______ DFU. 428 1 600 8 24 Table 703.2 The maximum length for a 48 – pipe in the horizontal position is 84 ______. 45 Table 703.2 The maximum length for a – 65 vent pipe is ______ vertical feet. 85 45 148 60 unlimited 120 180 Horizontal drainage pipe should be run with 212 a uniform slope of not less than ______ per foot toward the point of disposal. All drainage pipe must be supported at 1/8 inch intervals of ______ feet or less. 1/4 inch 2 3/8 inch 3 1/2 inch 4 Does not matter as long as it is sloping 6 downhill 10 Quiz 3 Duplex Drainage Design – TABLE 703.2: MAX. UNIT LOADING AND MAX. LENGTH OF DRAINAGE AND VENT PIPING Abbreviated Table SIZE OF PIPE 1 ¼ 1 ½ 2 2 ½ 3 4 (inches) Maximum Vertical 1 2 16 32 48 256 Horizontal 1 1 8 14 35 216
2 6 16 32 Table 703.2 – The maximum DFU capacity of a 4-inch pipe in the horizontal position is ______. 32 35 48 216 256 Table 703.2 – The maximum DFU capacity of a 5-inch pipe in the vertical position is ______. 48 216 256 428 600 Table 703.2 – The maximum length for a pipe in the horizontal position is ______. 45 65 85 148 unlimited Horizontal drainage pipe should be run with a uniform slope of not less than ______ per foot toward the point of disposal. 1/8 inch 1/4 inch 3/8 inch 1/2 inch Does not matter as long as it is sloping downhill Waste water should fill the pipe ______ full. 1/6 to 1/3 1/3 to 1/2 1/2 to 3/4 Does not matter as long as it is sloping downhill A vent in a drainage system is used to ______. equalize the air pressure on both sides of the waste water flow keep the water seal from being blow out of the trap keep the water seal from being siphoned into the drainage pipe all of the answers provided none of the answers provided Table 703.2 – A 2-inch vent pipe has the capacity to handle ______ DFU. 1 8 24 48 84 Table 703.2 – The maximum length for a vent pipe is ______ vertical feet. 45 60 120 180 212 All drainage pipe must be supported at intervals of ______ feet or less. 2 3 4 6 10 TABLE 703.2: MAX. UNIT LOADING AND MAX. LENGTH OF DRAINAGE AND VENT PIPING Abbreviated Table SIZE OF PIPE (inches) 1 ¼ 1 ½ 2 2 ½ 3 4 Maximum Vertical Horizontal 1 1 2 1 16 8 32 14 48 35 256 216 Quiz 3 – Duplex Drainage Design
2012%20UPC%20Chapter%207%20Sanitary%20Drains%20WA.docx