Asphalt Parking Lot Thickness

Minimum pavement thickness designs are given for various size parking lots heavily loaded ar eas and industrial parking lots.

Asphalt parking lot thickness.

By focusing on the thickness of the asphalt driveway it can help provide longevity. This will ultimately raise the property value of a home. When resurfacing existing pavement the asphalt covering should be 2 inches thick. In addition this chapter gives comparable designs for both full.

The parking area is the first part of a building complex seen by the user. For standard commercial jobs the dense graded aggregate layer is typically about 8 thick. After paving the two layers are compacted to a thickness of 4 to form the final thickness. Busy parking lots like the ones at supermarkets and big box stores are paved in the same way with two lifts residential driveways on the other hand are used only by small numbers of vehicles traveling at slow speeds.

Several factors go into that answer so let s take a look at how we determine parking lot thickness which begins by understanding the layers used to comprise asphalt. For full depth light duty commercial parking lots murphy recommends 4 5 inches compacted thickness of hot mix asphalt on the subgrade. Layers of asphalt asphalt is comprised of several layers of different materials. As such asphalt paving contractors must find a way to smooth the transition from old surface to new.

The thickness of a parking lot depends heavily on the amount and type of traffic of that specific lot. Is 2 inches of asphalt enough for a driveway in the case of a commercial establishment. Let s briefly speak on asphalt resurfacing methods. Please note the primary objective of parking lot design is to provide safe efficient vehicular access to parking stalls that serve businesses commuter lots and residential facilities.

It is very rare to install an asphalt surface that does not connect to existing driveways roadways or parking lots. Butt joints are areas where old asphalt or concrete meets new asphalt pavement. This 2018 asphalt parking lot design guide has been prepared to assist readers in understanding all phases of asphalt parking lot design including planning construction and maintenance. 5 2 parking lot design the information in this chapter will provide a general guide to proper parking area design construction and facility layout.

The thing is asphalt driveways should always be built to accommodate the traffic load. On top of the base we typically recommend applying two 1 5 layers of asphalt. For full depth heavy duty parking lots he recommends 7 5 inches of hot mix asphalt on subgrade. For businesses and commuter lots the design must consider the use of the pavement by buses trucks and other heavy vehicles.