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20.08.049 <br />Exception #3: Sprinklers may be 3. Sizes of piping may vary per <br />omitted from attics and crawl spaces plans. Size of restrictor shall always <br />which are not used or intended for be one-half (1/2) inch. <br />living purposes or storage in build- <br />ings with no more than four (4) <br />dwelling units, except pilot sprin- <br />klers are required as per section <br />4-2.6 (above). <br />Note: See Chapter 4 System Design <br />for provisions in buildings with five <br />(5) to fifteen (15) dwelling units not <br />exceeding twelve thousand square <br />feet (12,000 square feet). <br />CHAPTER 4-System Design - <br />amended <br />Table 4-4.3(a) Pressure Losses in <br />psi/ft. for Schedule 40 Steel Pipe(C = <br />120) and Table 4-4.3(c) Equivalent <br />length of Fittings and Valves for <br />Schedule 40 Steel Pipe in Feet is <br />deleted. <br />Notes: <br />1. All service connections (except <br />fire service connections) shall be <br />made downstream of the restriction <br />in the domestic service line. <br />2. The one-half ('/2) inch restrictor <br />and both Tees shown on this drawing <br />shall be on the outside of the house <br />and shall be visible from the street <br />unless a letter of exemption is on file <br />with the City of Pleasanton-Fire <br />Prevention Bureau. <br />704-5 (Pleasanton April 2003) <br />