Foundations of Real Estate Management BOMA International ® Module 3: Building Operations I Domestic Water ®

Foundations of Real Estate Management Module 3: Building Operations I 2 ® Objectives  Describe the components of the domestic water supply system  Describe the components of the wastewater return system  List the three “rules” of plumbing

Foundations of Real Estate Management Module 3: Building Operations I 3 ® Domestic Water  Fire Suppression  Irrigation  Drinking  Restrooms/kitchens  Cleaning  Cooling Tower Make Up

Foundations of Real Estate Management Module 3: Building Operations I 4 ® Universal Rules of Plumbing  HOT on the left  COLD on the right  SEWAGE does not flow uphill

Foundations of Real Estate Management Module 3: Building Operations I 5 ® Potable Water Water that is suitable for drinking

Foundations of Real Estate Management Module 3: Building Operations I 6 ® Water Systems  Supply  Public  Private (well)  Wastewater  Public  Private (septic)

Foundations of Real Estate Management Module 3: Building Operations I 7 ® Supply Domestic water meter Photo courtesy of Transwestern

Foundations of Real Estate Management Module 3: Building Operations I 8 ® Supply Photo courtesy of Transwestern Backflow Preventer

Foundations of Real Estate Management Module 3: Building Operations I 9 ® Supply Domestic Water Pumps (lead-lag) Photo courtesy of PM 101

Foundations of Real Estate Management Module 3: Building Operations I 10 ® Supply Photo courtesy of Transwestern Domestic Water Riser

Foundations of Real Estate Management Module 3: Building Operations I 11 ® Supply  Domestic water riser  Domestic water mains  Domestic water supply lines  Fixtures

Foundations of Real Estate Management Module 3: Building Operations I 12 ® Green Alternatives  Faucets  Low flow faucets  Toilets  Low flow toilets  Dual flush valves  Urinals  Low flow urinals  Waterless urinals

Foundations of Real Estate Management Module 3: Building Operations I 13 ® Hot Water Heaters  Single tank  Tanks on each floor or section  Tanks at each point of use  Instant hot  Cogeneration Sacrificial anode – corrodes the rod instead of the bottom of the tank

Foundations of Real Estate Management Module 3: Building Operations I 14 ® The Whole System - Supply

Foundations of Real Estate Management Module 3: Building Operations I 15 ® Valves Sillcock Photo courtesy of Transwestern

Foundations of Real Estate Management Module 3: Building Operations I 16 ® Valves Ball Valve/Quarter Turn Valve Photo courtesy of Transwestern

Foundations of Real Estate Management Module 3: Building Operations I 17 ® Valves Outside Stem & Yoke (OS&Y Valve) Photo courtesy of Transwestern

Foundations of Real Estate Management Module 3: Building Operations I 18 ® Wastewater  Black water  Toilets and urinals, showers and bathtubs (not recyclable)  Gray water  Sinks, dishwashers, clothes washers (recyclable)

Foundations of Real Estate Management Module 3: Building Operations I 19 ® Wastewater Drain Trap Photo courtesy of Transwestern

Foundations of Real Estate Management Module 3: Building Operations I 20 ® Wastewater  Gravity fed  1/8” of pitch for every 1’ of run  Feeds to a riser and out of the building  Cleanouts

Foundations of Real Estate Management Module 3: Building Operations I 21 ® Wastewater  Remember, water does not flow uphill  If the fixture is located below the drain line (like in a basement), the plumber will install an ejector pump (sewage ejector)

Foundations of Real Estate Management Module 3: Building Operations I 22 ® The Whole System – Waste Water

Foundations of Real Estate Management Module 3: Building Operations I 23 ® Typical Sink Installation