TABLE 703.2: MAX. UNIT LOADING AND MAX. LENGTH OF DRAINAGE AND VENT PIPING TABLE 702.1 DRAINAGE FIXTURE UNIT VALUES (DFU) Abbreviated Abbreviated Table SIZE OF PIPE 1 ¼ 1 ½ 2 3 4 5 PLUMBING MIN. SIZE PRIVATE (inches) FIXTURES TRAP ARM (DFUs) Max. DFUs (inches) Vertical 1 2 16 48 256 600 Bathtub/Shower BT 1 ½ 2.0 Horizontal 1 2 8 35 216 428 – Clothes Washer ACW 2 2.0 – Water Closet WC 3 3.0 6 – 10 Lavatory Single LAV 1 ¼ 1.0 – 22 Kitchen Sink KS 1 ½ 2.0 – At Section A, the number of DFUs is The minimum size drainage pipe at Section calculated to be ______. C must be ______ diameter. 3 1-1/2 inch 5 2 inches 6 3 inches 11 4 inches 22 The minimum size drainage pipe at Section A must be ______ diameter. 1-1/2 inch 2 inches 3 inches At Section D, the number of DFUs is 4 inches calculated to be ______. 3 At Section B, the number of DFUs is 5 calculated to be ______. 6 3 11 4 22 6 11 The minimum size drainage pipe at Section 22 D must be ______ diameter. 1-1/2 inch The minimum size drainage pipe at Section 2 inches B must be ______ diameter. 3 inches 1-1/2 inch 4 inches 2 inches 3 inches At Section E, the number of DFUs is 4 inches calculated to be ______. 3 At Section C, the number of DFUs is 4 calculated to be ______. 6 3 11 5
TABLE 703.2: MAX. UNIT LOADING AND MAX. LENGTH OF DRAINAGE AND VENT PIPING Abbreviated SIZE OF PIPE (inches) 1 ¼ 1 ½ 2 3 4 5 Max. DFUs Vertical Horizontal 1 1 2 2 16 8 48 35 256 216 600 428 TABLE 702.1 DRAINAGE FIXTURE UNIT VALUES (DFU) Abbreviated Table PLUMBING FIXTURES MIN. SIZE TRAP ARM (inches) PRIVATE (DFUs) Bathtub/Shower – BT 1 ½ 2.0 Clothes Washer – ACW 2 2.0 Water Closet – WC 3 3.0 Lavatory Single – LAV 1 ¼ 1.0 Kitchen Sink – KS 1 ½ 2.0 At Section A, the number of DFUs is calculated to be ______. 3 5 6 11 22 The minimum size drainage pipe at Section A must be ______ diameter. 1-1/2 inch 2 inches 3 inches 4 inches At Section B, the number of DFUs is calculated to be ______. 3 4 6 11 22 The minimum size drainage pipe at Section B must be ______ diameter. 1-1/2 inch 2 inches 3 inches 4 inches At Section C, the number of DFUs is calculated to be ______. 3 5 6 10 22 The minimum size drainage pipe at Section C must be ______ diameter. 1-1/2 inch 2 inches 3 inches 4 inches At Section D, the number of DFUs is calculated to be ______. 3 5 6 11 22 The minimum size drainage pipe at Section D must be ______ diameter. 1-1/2 inch 2 inches 3 inches 4 inches At Section E, the number of DFUs is calculated to be ______. 3 4 6 11
2015%20UPC%20Chapter%207%20Sanitary%20Drains%20ID%20Questions.docx