RISER DRAWINGS

OR

SHOWERS

M N

RELIEF VENTS A & В MAY CONNECT TO MAIN—„„

VENT ABOVE FIXTURES ON FLOOR ABOVE

-T—I

RELIEF VENTS REQUIRED-
914.1

SEE 715 UNLESS SIZED FOR A BUILDING DRAIN

FIGURE 4.29 ■ Riser diagram. (Courtesy of Standard Plumbing Code)

4" MIN.

STACK VENT

i-1 1/4" MIN. I MAN VENT—”j

1 1/2" MIN;

WET VENT 1 II

REQUIRED VENT

‘klT U~i

REQUIRED VEfJT

WET VENT

1 1/4" MIN;

VENT NOT REQ

FIGURE 4.31 ■ Riser diagram. (Courtesy of Standard Plumbing Code)

Q

SO

”I

о

YOKE VENT
REQUIRED
SECTIONS
715.4 &
917.3

45’ MAX.
FROM
VERTICAL
TO PREVENT
FOULING

-SIZE FOR
NUMBER OF
FIXTURE UNITS
ABOVE OFFSET

FOR

OMISSION ________

SEE SEC. T
715.5

BLOWOUT FIXTURES REQUIRE INDIVIDUAL VENTS,7 BATTERY VENTING NOT PERMITTED. /

SIZE OF EACH SECTION OF VENT BASED ON FIXTURE UNIT LOAD.

RELIEF VENT REQUIRED, SEE 715.4
<St 917.3 {SIZE FOR MAIN VENT)

FOR OMISSION SEE
SEC. 715.5

H—-NO HORIZONTAL BRANCH CONNECTION 715.4

OFFSET OF MORE THAN 45* FROM VERTICAL SIZE AS FOR A BUILDING DRAIN. 715.4

-NO HORIZONTAL-1 BRANCH CONNECTION 715.4

SIZE FOR OFFSET AND TOTAL FIXTURE UNITS ON STACK

4 /L

VENT FIXTURES BACK TO BACK IN BATTERY, 914.3

FIGURE 4.32 ■ Riser diagram. (Courtesy of Standard Plumbing Code)

VENT TERMINAL SEC. 904.2 AND 905

BATTERY WITH LOOP VENT

SIXTH FLOOR

o4-o o4-o LrTJ

FIFTH FLOOR

4

——

FOURTH FLOOR

BACK TO BACK IN BATTERY

THIRD FLOOR

SECOND FLOOR