You built a rectangular deck 16 feet long and 8 feet wide with a set of steps 36 inches wide. You built a railing on the outside using 2X4s around the top, capped with a 6-inch deck board. The spindles are spaced on 4-inch or less centers. You built a rectangular patio 12 feet by 16 feet with a 4-inch concrete floor. For the patio you were required to remove 7 inches of dirt and replace it with 3 inches of sand.
a. How many square feet are in the deck?
b. How many deck boards were needed for the floor running the
length of the deck?
2 CHAPTER 12 • Landscaping
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c. How many of what length 2X4s and deck boards were needed for
the railing?
d. Approximately how many spindles were needed?
e. What is the area of the patio?
f. How many cubic feet of dirt were removed?
g. How many cubic feet of sand were needed?
h. How many cubic yards of concrete were needed?
a. 128 ft2
b. 16 bd
c. one 16 ft 2X4 & bd two 8 ft 2X4s & bd
d. 37 spindles
e. 192 ft2
f. 112 ft3
g. 48 ft3
h. 2.4 yd3
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