1 presentation 8: locating a building on a lot. 2 plot plan plot plan information typically...
TRANSCRIPT
1
Presentation 8:
LOCATING A BUILDING ON A LOT
2
Plot Plan
• Plot plan information typically includes:– Lot boundary lines.– Building position relative to boundary lines.
• Building setback dimensions
– Elevations of building and reference points.– Existing and future site conditions.
3
Setback
• Setback is the distance a building is positioned from the boundary lines.
4
Setback
House
Driv
eway
30′0
″36
′0″
40′0″ 60′0″
N
30′ from south boundary
40′ from west boundary
House is 36′ × 60′
5
Corner Stakes
House
Driv
eway
30′0
″36
′0″
40′0″ 60′0″
N
Corner stakes must be located.
6
Corner Stakes
House
Driv
eway
30′0
″36
′0″
40′0″ 60′0″
N
Label them …
#1 #2
#3 #4
7
Procedure For Stake Layout
• Establish front building line (BL).
• Locate stakes #1 and #2 along front BL.
• Calculate diagonal using Pythagorean Theorem.
• Locate stake #3 using two tape measures.
• Locate stake #4 using two tape measures.
• Recheck the layout.
8
Front Building Line (BL)
N
Measure front setback distance twice and set temporary stakes with a string.
30′0
″ 30′0″
9
Stake # 1
N
Locate stake #1 by measuring from the side property line.
40′0″
30′0
″ 30′0″
10
Stake # 2
N
Locate stake #2 by measuring along BL the length of the building.
40′0″
30′0
″ 30′0″
60′0″
11
Calculations
• Diagonal calculation from the Pythagorean Theorem. Building is 36′ × 60′
• C2 = A2 + B2
• C2 = 362 + 602
• C2 = 1296 + 3600
• C2 = 4896
• C = 69.97142274′
12
Calculations
• C = 69.97142274′ = 69 + 0.97142274′
• 0.97142274 × 12 = 11.65707286″
• 11.65707286″ = 11 + 0.65707286″
• 0.65707286″ × 16 = 10.51316572 sixteenths
• C =
69
11/16″
11
10.5
69′
13
Stake # 3
N
Locate stake #3 by simultaneously measuring the width and the diagonal.
69′11 11/16 ″36
′0″
14
Stake # 4
N
Locate stake #4 by simultaneously measuring the width and the length.
60′0″
36′0
″
15
Final Stage
N
Recheck calculation and all measurements.
16
Conclusion
N
Laying out building stakes is straightforward.
60′0″
36′0
″69′11 11/16 ″36
′0″
40′0″ 60′0″
30′0
″ 30′0″
C2 = A2 + B2
C = 69′11 11/16″