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draft of construction tolerances for built in place AguaClara plants
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monroews committed Jan 3, 2025
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Construction Tolerances
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The construction tolerances are the allowable deviations from the design dimensions. The tolerances are specified in the table below. The tolerances are designed to ensure the hydraulic components of the plant will function as intended and to ensure the plant is aesthetically pleasing.

.. _table_Construction_Tolerances:

.. csv-table:: Construction Tolerances.
:header: "Type", "Parameter", "English Units", "Metric Units"
:align: left
:widths: 80 20
:class: wraptable

Elevation, Ledges and pipe supports, ±1/2 in., ±1.3 cm
Elevation, Top of walls, ±1/2 in., ±1.3 cm
Elevation, Top of weirs, ±1/8 in., ±0.3 cm
Elevation, Top of slabs, ±3/8 in., ±1 cm
Elevation, Tank bottoms, ±3/8 in., ±1 cm
Cross-sectional, Width of walls, ±1/2 in., ±1.3 cm
Cross-sectional, Width of beams, ±1/4 in., ±0.6 cm
Cross-sectional, Width of columns, ±1/4 in., ±0.6 cm
Cross-sectional, Thickness of slabs, ±1/4 in., ±0.6 cm
Internal dimensions, Width and length of tanks, ±3/8 in., ±1 cm
Alignment, Vertical alignment of walls, ±1/4 in., ±0.6 cm
Alignment, Horizontal alignment of walls, ±1/4 in., ±0.6 cm
Plumbness, Plumbness of columns, ±1/4 in. per 10 ft, ±0.6 cm per 3 meter
Plumbness, Plumbness of walls, ±1/4 in. per 10 ft, ±0.6 cm per 3 meter
Flatness, Flatness of slabs including tank bottoms, ±1/4 in. per 10 ft, ±0.6 cm per 3 meters
Reinforcement, Location of reinforcing bars, ±1/2 in., ±1.3 cm
Reinforcement, Cover to reinforcing bars, ±1/4 in., ±0.6 cm
Surface Finish, Surface finish of formed concrete, No more than 1/8 in. deviation from a 10 ft straightedge, ±0.3 cm deviation from a 3 meter straightedge
Pipes, Horizontal location of embedded horizontal or vertical pipes, ±1/2 in., ±1.3 cm
Pipes, Vertical location of embedded horizontal pipes, ±1/4 in., ±0.6 cm

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