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.
The number of alarms corresponds to the number of firefighters called to the scene. But there's no simple relationship between the two. A two-alarm designation doesn't mean you're calling in two companies, two brigades, two firehouses, or twice as many people as you would call in for a one-alarm. The precise meaning of an alarm varies depending on the fire department. In New York City, dispatchers send out 25 units and 106 firefighters for a two-alarm fire, 33 units and 138 firefighters for three alarms, 39 and 168 for four, and 44 and 198 for five. Advertisement A unit can refer to any kind of firefighting vehicle: for example, a fire engine, a ladder truck, or even a civilian carâsometimes called a buggyâfor the fire chief. In most cities, dispatchers will respond to a one-alarm fire with three or four units and then send a few more for each additional alarm.