Chapter 15 Hardscapes 421 Copyright Goodheart-Willcox Co., Inc. Keeping Track Installation Checklist • Determine the function and use. • Calculate, order, and schedule material delivery. • Coordinate delivery of tools and equipment. • Designate pathways and staging areas. • Lay out the area to be excavated. • Excavate to a determined depth. • Address subsurface issues, such as utility lines or drainage pipes. • Install the subsurface aggregates at specified depths. • Properly compact layers to establish a solid base. • Install the hardscape material. • Install edge restraint materials, such as aluminum, plastic, or wood. • If pavers are installed, add topdress material and compact the area. • Backfill around new installation. • Remove tools, equipment, and excess materials. • Police the area for miscellaneous damage and repair as needed. R. Lee Ivy Figure 15-29. Topdressing with sand, gravel dust, or porous rock with permeable paver systems securely locks the paving materials in place.