Across
- 3. The second phase of a plumbing project. During this phase, holes are cut in walls, ceilings and floors. Then, water supply and waste pipes are attached or hung so they can be connected to fixtures. Also referred to as stack out, top out, or in-wall rough-in.
- 6. Accessories or apparatus that require no demand from the water supply and add no load to the waste side.
- 8. The use of underground fresh water at a rate faster than it can be replenished.
- 9. An arrangement between a potable water system and a non-potable water system in which an accidental pressure differential between the two systems causes backflow of contaminated water into the freshwater system.
- 10. The managed use of drinkable water to reduce waste.
- 11. Water that comes from baths and washing machines.
- 16. Heat that is generated below the earth's surface.
- 17. A depression in the ground that filters pollutants from stormwater.
- 18. A plastic material used in plumbing and sanitary systems that is soft and pliable when heated and hard and rigid when cooled.
- 21. Water that has been directly or indirectly heated by sunlight.
- 24. The process of removing magnesium and sodium salts that cause scale on the inside of pipes and fittings.
- 26. The phase of a plumbing projet during which the plumber locates all supply and waste connections from the building systems to public utilities and establishes where these systems will enter or leave the building.
- 27. The flow of contaminated water into the freshwater system resulting from a cross-connection between potable and non-potable water systems.
Down
- 1. The process of cleansing water to remove particles and chemicals.
- 2. A plastic material used in plumbing and sanitary systems that becomes substantially infusible and insoluble when treated by heat or chemicals.
- 4. The collection and storage of rainwater for stormwater.
- 5. A device that prevents non-potable water from entering a potable supply system.
- 7. A plumber who has successfully completed an apprenticeship training program.
- 12. A heavy, greenish-yellow gas used as a disinfectant in water treatment. Chlorine should be handled only when wearing appropriate personal protective equipment.
- 13. A man-made channel used to carry water.
- 14. Wastewater that has had impurities and solids removed from it so that it can be reused for non-potable purposes.
- 15. Latin word for lead.
- 19. One who installs or repairs plumbing systems and fixtures.
- 20. The third phase of a plumbing project. During the finish phase, plumbers install fixtures, appliances, water purification systems, water heaters, and controls. Also referred to as trim-out or trim finish.
- 22. The process of destroying harmful organisms in potable water.
- 23. A requirement adopted by state and local governments to establish minimum standards for various types of construction.
- 25. A set of principles and values that guide an individual's conduct.