A method of doing business is provided by applying advertising banners to safety barriers used during construction of a high rise building and selling advertising space on the barriers during the time that the barriers are in place. The method includes the step of providing the barrier, such as where a barrier supply company provides safety barriers to a contractor of a building for free or reduced cost in return for authority and privilege to install advertising banners on the safety barriers. The method includes the step of barrier supply company selling advertising space on the barriers to advertisers. The barriers, owned or controlled by the barrier supply company, can be stored and reused many times, and new advertising banners applied.
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 This application is based upon provisional application 60/413,324 filed on Sep. 24, 2002, the priority of which is claimed.
 1. Field of the Invention
 This invention relates generally to vertical debris and safety barriers which are employed during the construction of high rise office buildings or the like. More particularly, the present invention relates generally to debris and safety barriers which are installed to prevent workers, debris and other objects from falling off the floor slab of a structure under construction.
 2. Description of the Prior Art
 Various federal, state and local laws and regulations, including those of the Federal Occupational Safety and Health Administration, require that safety barriers be employed during the construction of high rise office buildings and like structures. The principal purpose of such safety barriers is to prevent workers from accidentally falling off the edge of the floor slab. The safety barrier may also function to prevent debris, tools, materials and other objects from accidentally falling off a floor slab during construction. The pertinent safety standards commonly require that during construction, a rope, cable or hand rail be suspended above the height of the floor slab so as to extend vertically at the perimeter of the slab. Typically, the cable is suspended approximately 42 inches above each floor slab. A second cable is also typically suspended midway between the floor slab and the 42 inch cable. A rigid toe board of five inches or greater width may also typically be rigidly secured along the floor slab at or near the perimeter to prevent debris, tools, materials and other objects from being accidentally kicked or dislodged off the floor slab.
 U.S. Pat. No. 4,815,562 illustrates a prior art debris barrier for a high rise building under construction with a woven flexible mesh netting. The top of the netting is clipped to a safety cable so as to suspend vertically a portion of the netting. The netting is anchored to the floor slab by driving fasteners such as nails through a lower anchor strip. Disadvantages of the debris barrier of the '562 patent include having to provide a safety cable for the top of the barrier and nails for the bottom.
 U.S. Pat. No. 4,920,925 illustrates a prior art safety netting for buildings under construction. The netting includes a unitary web to form a net-like lattice and a continuous bendable toeboard portion. An edge strip of the toeboard portion is secured to a horizontal toeboard strip, and the lattice portion is attached to pillars or other vertical supports at the construction site at about 4.5 foot intervals. Disadvantages of the safety net of the '929 patent include having to nail the toeboard portion to the slab floor and having to provide vertical standards at about 4.5 foot intervals.
 U.S. Pat. No. 5,197,239 illustrates a prior art containment system with a pair of vertically spaced webs with a cord laced through grommets to the webs for adjusting the effective dimensions of the containment panels at the work site.
 Other prior art patents such as U.S. Pat. Nos. 6,092,792 and 6,149,135 feature mesh barriers attached to vertical poles for insertion into the soil for use in fencing sports playing fields, crowd control or for landscaping purposes.
 3. Identification of Objects of the Invention
 A primary object of the invention is to provide a safety barrier for high rise-construction sites of a flexible web material that can be easily and quickly installed at the edge of an open slab and quickly uninstalled and stored for future use.
 Another object of the invention is to provide a safety barrier that can be wrapped into a roll and stored when not in use.
 Another object of the invention is to provide a safety barrier that can be stretched between vertical standards and secured thereto for installation.
 Another object of the invention is to provide a safety barrier that can be wrapped around support posts of the building.
 Another object of the invention is to provide one or more advertising banners on a safety barrier for a high rise construction site.
 Another object of the invention is to provide a method of doing business where a safety barrier is provided for a construction site by a provider of the safety barrier, and the provider sells advertising space on the safety barrier to an advertiser during the time that the barrier is in place while the building is being constructed.
 The objects identified above along with other features and advantages are incorporated in a web of fabric material that is several yards long and can be stretched or extended between vertical posts and secured thereto. Mesh can be provided over the web. The vertical posts are secured to the slab of an open floor of a building being constructed. The vertical ends of the web are secured to the posts by cam buckles.
 A method of doing business is provided by applying advertising banners to safety barriers used during construction of a high rise building and selling advertising space on the barriers during the time that the barriers are in place. The method includes the step of supplying the barrier, such as where a manufacturer or a barrier supply company provides safety barriers to a contractor of a building, for free or reduced cost in return for authority and privilege to install advertising banners on the safety barriers. The barrier supply company sells advertising space on the barriers to advertisers. The barriers, owned or controlled by the barrier supply company, can be stored and reused many times, and new advertising banners applied.
 The invention is described in detail hereinafter on the basis of the embodiments represented schematically in the accompanying figures, in which:
 Barrier sections
 Although barrier
 Each vertical standard
 Returning now to
 While preferred embodiments of the invention have been illustrated in detail, it is apparent that modifications and adaptations of the preferred embodiments will occur to those skilled in the art. It is to be expressly understood that such modifications and adaptations are in the spirit and scope of the invention as set forth in the following claims: