ACI 117-10: Specification for Tolerances for Concrete by ACI Committee 117

By ACI Committee 117

His specification presents ordinary tolerances for concrete development and fabrics. This record is meant for use by way of specification writers and ACI committees writing criteria because the reference record for setting up tolerances for concrete development and fabrics.

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Additional info for ACI 117-10: Specification for Tolerances for Concrete Construction and Materials and Commentary

Example text

Each of the described approaches uses a different method to evaluate flatness. The F-Number System TOLERANCES FOR CONCRETE CONSTRUCTION SPECIFICATION 117-39 COMMENTARY uses only 2 ft slope changes (center offset from a 2 ft chord). The manual straightedge and computerized simulation of the manual straightedge methods both use maximum offsets from chords of varying lengths up to 10 ft. To develop an understanding of the relationship among these approaches, the committee undertook a study of six groups of 100 individual profiles each (600 total).

3, respectively. Fig. 1—Deviation from plumb. 2 For heights greater than 83 ft 4 in. 1% times the height above the top of foundations or lowest support level as shown on Project Drawings or ±6 in. This section shall not be used to evaluate local departure from a specified plane or form irregularities. 3, respectively. 2 From 83 ft 4 in. 1%) times the height. The maximum tolerance is 6 in. at heights more than 500 ft above the top of foundation of the structure. The structure and exterior cladding should not extend beyond legal boundaries established by the Contract Documents.

6—Deck reinforcement cover ............................................................................ +1 in. –0 in. 1 Horizontal deviation of centerline ............. ±1 in. 2 Edge dimensions in plan .......................... ±1 in. ±1-1/4 in. 2 Alignment of dowels, relative to centerline of pavement 18 in. ±1/4 in. Greater than 18 in. 1 Mainline pavements in longitudinal direction, the gap below a 10 ft unleveled straightedge resting on highspots shall not exceed ...................... 2 Mainline pavements in transverse direction, the gap below a 10 ft unleveled straightedge resting on highspots shall not exceed ......................

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