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FHWA TECHNICAL ADVISORY T 5080.17<br />

July 14, 1994<br />

ATTACHMENT 7<br />

TABLE 1<br />

CONTRACTOR'S OUALITY CONTZOL REOUIREMENTS<br />

MinimUm OUa itV Control Reairement, Frecruency<br />

A. PLANT AND TRUCKS<br />

1.<br />

2.<br />

3.<br />

Mixer Blades -..'<br />

Scales<br />

Tared<br />

;:: Calibrate<br />

C. Check Calibration<br />

Gauges and Meters,.,- -<br />

Plant and Truck<br />

a. -Calibrate *- -<br />

b. Check Calibration ,<br />

4. Admixture‘Dispenser -<br />

a. ,Calibrate<br />

b. Check Operation and<br />

Calibration<br />

. . ,- :<br />

. .<br />

B. AGGREGATES - .' -- '- .._/. -.<br />

‘. 1. Fini Aggregate - ’ ‘I’ 1F ,‘; .: -.<br />

Gradation'<br />

it: Deleterious Substances<br />

C. Moisture<br />

2. Coarse Aggregates<br />

ba: Gradation<br />

Percent Pasaing<br />

No. 200 Sieve .<br />

C. Moisture<br />

C. PLASTIC CONCRETE<br />

1. Entrained Air Content<br />

2 . Consistency<br />

3; -Temperature<br />

4. Yield<br />

:<br />

3.10.54<br />

Prior to Start of yTob<br />

and weekly<br />

Prior to Start of Job<br />

and weekly<br />

Daily<br />

Prior to Start of Job<br />

Weekly<br />

Yearly<br />

Weekly<br />

Prior to Start of Job<br />

Daily<br />

. . ..-<br />

21 Days<br />

Daily<br />

Daily<br />

21 Days<br />

Daily<br />

Daily<br />

<strong>On</strong>e Per l/2 Day<br />

Operation<br />

<strong>On</strong>e Per l/2 Day of<br />

Operation<br />

<strong>On</strong>e Per l/2 Day of<br />

Operation<br />

<strong>On</strong>e Per l/2 Day of<br />

Operation

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