NFPA 1141-1998 Standard for Fire Protection in Planned Building Groups

NFPA 1141-1998 Standard for Fire Protection in Planned Building Groups. Labeled. Equipment or materials to which has been attached a label, symbol, or other identifying mark of an orga- nization that is acceptable to the authority having jurisdiction and concerned with product evaluation, that maintains peri- odic inspection of production of labeled equipment or mate- rials, and by whose labeling the manufacturer indicates compliance with appropriate standards or performance in a specified manner. Listed.* Equipment, materials, or services included in a list published by an organization that is acceptable to the author- ity having jurisdiction and concerned with evaluation of prod- ucts or services, that maintains periodic inspection of production of listed equipment or materials or periodic eval- uation of services, and whose listing states that either the equipment, material, or service meets identified standards or has been tested and found suitable for a specified purpose. Means of Access. The method by which entry or approach is made by emergency apparatus to, for example, roadways, fire lanes, and parking lots. Municipal-Type Water Systems. A system having water pipes servicing hydrants and designed to furnish, over and above domestic consumption, a minimum of 250 gpm (950 L/min) at 20 psi (137.9 kPa) residual pressure for a 2-hour duration. Planned Building Groups. Multiple structures constructed on a parcel of land, excluding farmland, under the ownership, control, or development by an individual, a corporation, a partnership, or a firm. 4-2 Roadways. 4-2.1 Roadways shall be constructed of a hard, all-weather sur- face designed to support adequately the heaviest piece of fire apparatus likely to be operated on the roadway. 4-2.2 Every dead-end roadway more than 300 ft (92 m) in length shall be provided at the closed end with a turnaround having not less than a 120-ft (37-m) outside diameter of trav- eled way. 4-2.3* Roadways shall have a minimum clearance of 12 ft (3.7 m) for each lane of travel, excluding shoulders and parking. Provisions shall be made for factors that could impinge on the minimum width, for example, drainage, snow removal, parking, and utilities. 4-2.4 Grades shall be not more than 10 percent. Exception: Steeper grades shall be permitted by the authority having jurisdiction where mitigation measures can be agreed upon jointly by the fire and road engineering departments. 4-2.5 Grades shall be not less than 0.5 percent in order to pre- vent pooling of water in a traveled way. NFPA...