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1. Fire walls (area separation walls) shall not be used to divide a large building into sections of 4 units or less in order to reduce the number of units in order to qualify for use of these criteria. 2. Fire sprinklers shall be located in residential areas per NFPA 13D. The number of design sprinklers shall include all sprinklers within a compartment to a maximum of 3 sprinklers. The flow rate, k factor, and temperature rating shall be per the sprinklers manufacturers listing for the area covered. When the number of sprinklers in a compartment is less than 3, the calculations shall include a 5 gallon per minute domestic use simultaneous with the design sprinkler flow. The domestic demand shall be added at the base of the riser. 3. Fire sprinklers shall be provided in the attic. Fire sprinklers shall be spaced a maximum of 30' on center below the roof peaks (and a maximum of 15' from the wall for gable roofs) and over all furnaces, water heaters, etc. All attic areas over 100 square feet shall be covered (some houses have several attic areas). Attics with flat roofs shall have sprinklers spaced a maximum of 30' on center and a maximum of 15' from the walls. Attic sprinklers shall be 200° - 212° (degree) F, quick response or standard response, 7/16" orifice (K=4.0 to 4.5). 4. Fire sprinklers shall be provided between floors where floor ceiling assemblies consist of open web joists or trusses. Sprinklers shall be spaced a maximum of 30' on center and a maximum of 15' from walls. Sprinklers shall be 200° - 212° (degree) F, quick response or standard response, 7/16" orifice (K=4.0 to 4.5). 5. Fire sprinklers shall be provided in the garage. Fire sprinklers in garages shall be 200° (degree) F, quick response type, 7/16" orifice (K = 4.0 to 4.5) with a maximum spacing of 140-150 square feet per sprinkler. 6. Pipe type. UL approved plastic pipe shall be protected per the listing except that piping to the fire sprinklers in the attic and pipe in the concealed spaces between floors may be exposed within the space. This guideline does not apply to motels, hotels, or day care centers with more than 12 occupants. These types of buildings shall have fire sprinklers designed and installed per NFPA 13. Chapter 4-General Requirements -amended Section 4.3.1 is amended to read: Section 4.3.1 All systems shall be tested for leakage at 200 psi for two (2) hours minimum. Exception: Minor additions to an existing house may be tested at street pressure. Where additional pressure testing is needed for existing systems the pressure shall be 50 psi over street pressure for a minimum of 2 hours. Chapter 5-System Components -added Section 5.2.1.4 is added to read: Section 5.2.1.4 All sprinkler riser piping shall be either non-ferrous metallic pipe (copper, or brass) or CPVC. All piping above the flow switch shall be protected by sheet ss