(22) of the 2'-0"x 2'-0"x 0'- 10"h spread footings shown below. Using the material
schedule at the bottom of the page, estimate the material quantities listed below. Show all
calculations and list all assumptions in the space provided. Don't forget to include waste.
2"-3"
2'-6"
2 x 12 Concrete Form
1'-6"
Plan View
2"-3"
Side View
(2) #4 rebar each way
top and bottom
Section A-A
Concrete
2 x 4 Stakes
2 x 12 Concrete Form
2 x 4 Stakes
2'-6"
Side View
49-1
キミュラ
2'-6"
0'-10".
Concrete
エニラ
2"-3"
2-3"
Section A-A
2 x 12 Concrete Form
2x4 Stakes
(2) #4 rebar each way
top and bottom/nMaterial
Concrete
Rebar
Forms
Stakes
Nails
Specification
Concrete
Rebar
Forms
Stakes
Nails
4,000 psi
#4 (0.668 lbs/lf)
2 x 12 x length
Oak, 2 x 4 x 18 in.
3½ in. common
Frequency
of Use
Once
Once
Once
Once
Once
Units
Waste,
%
cy
lbs
bf
each
lbs
3
10
10
25
10
Hint: a 2 X 4 at 8' length = 5.33 board feet (convert two dimensions to feet, the third to inches)
Required quantity takeoff items -
Material
Quantity
Comments
2" clearance from ends to forms
Board Foot = 1" XI'XI'
Total length is 18". Board Foot = 1" XI'XI'
1 lb/100 bf of total lumber (forms plus stakes)
Note: Presentation is important and your grade may be adjusted +/- 10% depending on your work product
Fig: 1
Fig: 2