Page 56 - 2014 SDCA Project

PLUMBING SYSTEM

I. LOW FLOW or ULTRA LOW FLOW URINALS with SOLAR POWERED BATTERY OPERATED SENSOR

Low Flow (ultra low flow), 1/8 gallon per flush models with a battery powered flush sensor is the unit recommend for
all new construction and retrofits. These low flow units provide 85% of the water savings associated with waterless

units without the cartridge changing costs.

Advantages: Disadvantages:

1. Low flow equals water savings 1. High up front cost in $ per unit
2. Qualify for USGBC LEED point
3. Low maintenance

4. Installation in new and retrofit situations
5. First cost is coming down

II. WATERLESS URINALS

The waterless urinal with wall outlet saves you water and money. The unit eliminates water and sewer costs from
urinals; reduces maintenance and repair bills; and is designed to create hygienic, odor-free restrooms.
Implementation and maintenance guidelines must be understood prior to specifying this product.
LOW FLOW URINALS

Advantages: Disadvantages:

1. Reduced water and sewer cost 1. Educating janitorial staff on what products to use for cleaning

2. Qualify for USGBC LEED point 2. Odor or perceived odor related to decreased cleanliness
3. Installation in new and retrofit situations 3. Splashing of urine on men’s trousers during use (may not apply here)
4. Payback around 1 ½ to 3 years 4. Reduced flow in waste water piping leading to deterioration of piping

5. Does not require freeze protection 5. Cartridge changing costs
6. Does not require flush valve maintenance Material expenses and stocking

7. Does not require batteries, transformers or electronics Labor expenses and when to replace
8. Environmentally friendly Who does the change out? FMS or janitorial?
Cartridge disposal. HazMat or not?

54 SDCA