ORD 1869 - Laserfiche WebLink

CHAPTER 4-System Design - amended Section 4-2.6 is added to read: (a) Pilot fire sprinkler protection and fire detection shall be provided in all attic spaces. Pilot fire sprinkler locations shall be near heat or fire sources, i.e., HVAC equipment, water heaters, kitchen duct/exhaust penetrations, or other electrical or gas fired equipment, etc. (b) Pilot fire sprinkler sprig ups or risers shall be braced in accordance with pipe manufacturers recommendations for vertical support and within 4 to 6 inches of the fire sprinkler when the vertical riser exceeds 30 inches vertically. Chapter 4-System Design - amended Section 4-6 Location of Sprinklers is amended to read: Sprinklers shall be installed in all areas. Exception #1: Sprinklers may be omitted from bathrooms not exceeding 55 square feet (5.1 m) with non-combustible fixtures. Exception #2: Sprinklers may be omitted from small closets where the least dimension does not exceed 3 feet. (0.9 M), the area does not exceed 24 square feet (2.2 m), and the walls and ceiling are surfaced with non- combustible materials. Exception #3: Sprinklers may be omitted from attics and crawl spaces which are not used or intended for living purposes or storage in buildings with no more than four (4) dwelling units, except pilot sprinklers are required as per section 4-2.6 (above). Note: See Chapter 4 System Design for provisions in buildings with five (5) to fifteen (15) dwelling units not exceeding twelve thousand square feet (12,000 square feet). CHAPTER 4-System Design - amended Table 4-4.3(a) Pressure Losses in psi/ft, for Schedule 40 Steel Pipe(C=120) and Table 4-4.3(c) Equivalent length of Fittings and Valves for Schedule 40 Steel Pipe in Feet is deleted. Notes: 29