The cost of the fiber is roughly $.20 per square foot, which would amount to $200 for a 1,000-square-foot driveway. The last item is regular joint sand, which fills the joints of the pavers. At $.05 per square foot, we would have roughly $50 of joint sand for a 1,000-square-foot driveway.
What does four-alarm fire mean? Quick Answer. A modern four-alarm fire refers to the number of units dispatched to the scene of a fire. Most major cities define a unit as a vehicle such as a fire truck, fuel truck, ladder truck, the department SUV or a civilian vehicle.
3 alarm fire definition - ISO 7240-1:2005, ISO 7240-1:2005, Fire detection and alarm systems - Part 1: General and definitions ISO 7240-1:2005 provides a set of general guidelines and definitions to be used in describing the fire detection and alarm system equipment, tests and requirements in the other parts of ISO 7240. The components that a fire detection and alarm system can have are shown in Figure 1. Item C of Figure 1 can be replaced by a sound system for emergency purposes, the components of which are shown in Figure 2.