Install hardscape options in the landscape.

Installation could include following a design and

• identifying construction materials for
  • pavement
  • fences
  • retaining walls
  • steps
  • decks
  • patios
  • pergolas
  • trellises
  • bridges
  • arbors
• comparing installation costs, aesthetics, maintenance, and longevity of various hardscape elements
• calculating the riser-tread ratio of steps
• determining the necessary height of a privacy enclosure based on the line of sight.

Process/Skill Questions:

• What materials can be used to surface a walkway?
• Why is the riser-tread ratio of steps significant?
• What elements influence the maintenance of a wooden fence?
• How tall should a fence be to ensure privacy?
• What are eco-friendly choices?
• What are the advantages and disadvantages of different materials?