Minimum air gap for fixtures not affected by sidewalls

Minimum air gap for fixtures affected by sidewalls

Airgap less than 25mm shall only be approved if tested with vacuums of mercury from 0 to ____

Minimum distance of Atmospheric Vacuum Breaker (AVB) above all downstream piping and floor level rim of receptor

Mininum space clearance between the lowest portion of the assembly and the grade, floor or platform for access and clearance

Minimum temperature of the AVB critical pevel above overflow rim of a water closet bowl or the highest part of a urinal

Minimum height of the AVB critical level above the overflow rim of a water closet bowl or the highest part of a urinal

Mininum distance of Double Check Valve (DC) assembly above all downstream piping and floor level rim of receptor

Elevation of installations above the floor or grade to be provided with a permanent platform.

Minimum airgap for water distribution, or a mininum of 2x diameter

Mininum height of ballcock's critical level above the full opening of the overflow pipe

Mininum installation height of listed non removable hose bibb type backflow preventer above the highest point of usage.

Size of iron cast fittings to be galvanized when used in water piping

Maximum lead content for water pipes and fittings

Number of mesh per 25mm for gravity tanks vent screen

Inadequate water pressure is less than:

Excessive water pressure is more than:

Percentage of reduced pressure used for all pipe size determination

Maximum pressure setting for pressure relief valve

Height of the drain pipe of pressure relief valve above the ground and pointing downward

Distance between bottom of water pipe and top of the sewer or drain line

Horizontal distance between the water line and the sewer or drain line

Distance between sewer or drainage piping and water pipes crossing above such pipes

Maximum distance of unions away from regulating equipment, water heater, conditioning tank, or similar.

Maximum intervals of piping supports

Support trap arms more than _____ in length shall be as close as possible

Closet rings shall be tightly fastened up to the floor with top surface _____ above finish floor.

Mininum size of water service pipe

Minimum size of building supply and branches

Minimum clearance of galvanized wrought iron or galvanized steel pipe above ground

Minimum depth of vitrified clay pipes or fittings below the ground

Allowable grades for the threads of drainage fittings

Fixture rating of clotheswasher in groups of 3

Fixture unit rating for every 0.063 L/s (1gpm) of contiuous flow from sump pump or ejector

Intervals of cleanouts on each run of piping

Length of horizontal drain line where cleanouts maybe omitted, except in lines serving sinks or urinals.

Slope of horizontal drainage pipe where cleanouts may be omitted

Aggregate offset angle to be provided with an additional cleanout

Front clearance for cleanouts 51mm or less

Front clearance for cleanouts more than 51mm

Vertical clearance from the means of access for cleanouts installed in underground piping

Horizontal clearance from the means of access for cleanouts installed in underground piping

Maximum distance of underfloor cleanout from an access door, trap door or crawl hole.

Minimum size of pump discharge pipe from a sump having a water closet

Minimum distance of the invert of the lowest inlet above the high water or starting level of sumps and receiving tanks

Minimum size of vent for sumps and receiving tanks

Minimum air pressure to be maintained for each meter of height the sewage is raised

Distance within the vertical to horizontal change of a stack containing suds producing fixtures where no drainage connection shall be made

Number of water closets or 6 fixture unit traps allowed on any vertical stack

Number of water closets or 6 fixture unit traps allowed on any horizontal branch or drain

Minimum diameter of individual vent, or not less than 1/2 of the diameter of the drain

Fraction of the total permitted length of any vent allowed to be installed in a horizontal position

Length of indirect waste pipe to be directly trapped but no need to be vented

Length of indirect waste pipe if diameter is less than the drain outlet or tailpiece

Minimum diameter of indirect waste pipe

Extension of standpipe receptor of clotheswasher above its pipe

Height of trap of clotheswasher standpipe receptor above the floor

Maximum temperature allowed for water to be discharged under pressure directly into the drainage system

For condensers and sumps, the extension of the deep seal trap within the bottom of the trap

For condensers and sumps, diameter of the opening serving as siphon breaker at the top of the deep seal trap.

Outlets shall be taken off from the side in a manner to allow a water line to be maintained that permanently occupies not less than ___ the capacity of the condensers or sump.

Minimum thickness of walls and bottom of sumps, condensers or intercepting tanks constructed of concrete

Minimum thickness of plaster on the inside walls of sumps and condensers, etc

Minimum thickness of metal condensers

Sumps and condensers shall contain a volume of not less than twice the volume of water removed from the boiler connected thereto when the normal water level is reduced not less than ___

Minimum thickness of chemical-resistant glass lined pipe, high silicon iron pipe or lead pipe receiving acid or corrosive chemicals.

Minimum area of CW & VS vent

Fixture unit limit for wet venting

Maximum number of fixtures can be served by a vertical wet vent.

Minimum size of wet vent

Connection of the returned vent for island fixtures to the horizontal drain above the flood level rim

In CW & VS, length of branch that must be separately vented.

Minimum size of waste pipe and trap in any CW & VS, in reference to the sizes required and tailpiece size

Maximum length of tailpiece

Cleanouts may not be required on any wet-vented branch serving a single trap when the fixture tailpiece or connection is larger than ___

1 inlet serving not more than 2.8 cu.m refrigeration space

1 inlet serving 4-12 cu.m of refrigeration space

1 inlet serving 13-36 cu.m of refrigeration space

Minimum rise of each vent above the highest flood level rim before offsetting horizontally to join the vent stack or stack vent

Increase in size of vent stack above the reconnection point of stack and horizontal vent

Minimum extension of a vent pipe above the roof or firewall

Minimum clearance of a vent through the roof from any vertical surface nearby.

Horizontal distance of a vent opening away from any openable window, door opening, air intake, or vent shaft

Vertical distance of a vent opening above any openable window, door opening, air intake, or vent shaft

Horizontal distance of a vent opening away from any lot line, alley, and street boundary lines

Horizontal distance of a vertical vent away from any part of the roof that is used for other purposes

Vertical extension of a vent above any roof that is used for other purposes.

Each soil or waste stack which extends _____ or more stories above the building drain shall be served by a parallel vent stack

Intervals of yoke vent

Yoke vent connection with the vent stack above the floor level

Minimum size of an individual vent

Minimum size of an individual vent but not less than 32 mm

Fraction of the total permitted length of any vent allowed to be installed in a horizontal position

May be served by a common vertical vent