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==[[#Standard Rounding Convention Guidance | Standard Rounding Convention Guidance]]==
The Michigan Department of Transportation (MDOT) utilizes the following standard rounding convention for accuracy and consistency for all quantity postings.

{| class="wikitable"
|-
!Unit!!Type!!Accuracy
|-
|Acre||Area||0.000
|-
|Sft||Area||0.00
|-
|Sin||Area||0.00
|-
|Syd||Area||0.00
|-
|Dlr||Dollar||0.00
|-
|Ea||Each||0.00
|-
|Ft||Length||0.00
|-
|Lnmi||Length||0.000
|-
|Mile||Length||0.000
|-
|Rbmi||Length||0.000
|-
|Sta||Length||0.00
|-
|Cft||Volume||0.00
|-
|Cyd||Volume||0.00
|-
|Gal||Volume||0.00
|-
|Lb||Weight||0.00
|-
|Ton||Weight||0.00
|}

Calculations should not be rounded until the final quantity value is ready to be posted.

==[[#Standard Rounding Convention Examples | Standard Rounding Convention Examples]]==
The following are some examples of how values should be rounded and posted.

'''Syd'''
 
12.25 x 55.18 = 675.955 Sft
::+
12.12 x 44.30 = 536.916 Sft
::+
1.81 x 19.54 = 35.367 Sft

'''Total:''' 1248.238 Sft / 9 Sft/Syd = 138.693 Syd

'''Posting:''' 138.69 Syd

'''Cyd'''
 
12.25 x 55.18 x 1.12 = 757.070 Cft
::+
12.12 x 44.31 x 1.11 = 596.111 Cft

'''Total:''' 1353.181 Cft / 27 Cft/Cyd = 50.118 Cyd

'''Posting:''' 50.12 Cyd

'''HMA'''
 
12 x 231 = 2,772 Sft
::+
2,772 x 1Syd/9Sft = 308 Syd

308 x 110 Lbs/Sy-In x 1.5 In = 50,820 Lbs

50,820 / 2,000 Lbs/Ton

= 25.41 Tons

{{top}}
[[Category:Construction Manual]]
[[Category: Division 1 Supplemental]]

Standard Rounding Convention Guidance - Revision history

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