On-Site Wastewater Treatment and Disposal Systems - Forced ...

TABLE 5-2 (continued)
Total Flo
Reduction 'L:
Operation and
Maintenance
Application
Considerations
Development
Stagea
Generic Type Description
%
wed
Water Use
Per Event
gal
0.8-1.6 9.4-12.2 21-27
Similar to
conventional toilet,
but more frequent
cleaning possible.
3-4 Rough-in for unit may
be nonstandard.
Drain line slope and
lateral run
restrictions.
Washdown Flush Flushing uses only
Toilets water, but
substantially less
due to washdown
flush.
Varieties: Few.
Requires pressurized
water supply.
2.0-2.5 6.3-8-O 14-18
3 Compatible with most Similar to
any conventional conventional toilet
toilet unit. fixture.
Specially designed
toilet tank to
pressurize air
contained in toilet
tank. Upon flushing,
the compressed air
propels water into
bowl at increased
velocity.
Pressurized
Tank
Increased noise
level.
Water supply pressure
of 35 to 120 psi.
Varieties: Few.
0.5 13.3 30
3-4 Interchangeable with Periodic maintenance
rough-in for of compressed air
conventional fixture. source.
Power use - 0.002 KwH
per use.
Requires source of
compressed air;
bottled or air
compressor.
Compressed Similar in appearance
Air-Assisted and user operation to
Flush Toilets conventional toilet;
specially designed to
utilize compressed
air to aid in
flushing.
Varieties: Few
If air compressor,
need power source.