TABLE C1

CONCRETE AIR CONTENT PRICE ADJUSTMENTS

Air Content Range

 

% Payment of Unit Price

Minimum

 

Maximum

 

 

1.1*

and

below

 

0%**

0.6

to

1.0*

 

50%

0.1

to

0.5*

 

75%

Low air tolerance limit

 

100%

 

Target

 

 

100%

High air tolerance limit

 

100%

0.1

to

0.5*

 

98%

0.6

to

1.0*

 

90%

1.1

to

1.5*

 

80%

1.6

to

2.0*

 

65%

2.0*

to

3.0*

 

50%

3.1*

and

above

 

0%

* Air content deviation above or below the acceptable limits

**The Engineer may require concrete represented by air content more than 1.1% below the low air tolerance limit to be removed and replaced.

 

 

 

 

 

TABLE C2

WATER CEMENT RATIO PRICE ADJUSTMENTS

Water Cement Ration Range*

 

% Payment of Unit Price

Minimum

 

Maximum

 

 

0.051

and

above

 

0%

0.031

to

0.050

 

50%

0.021

to

0.030

 

70%

0.011

to

0.020

 

80%

0.001

to

0.010

 

90%

-----

Limit

-----

 

 

* W/C deviation above the acceptable limits

 

 

 

 

 

TABLE C3

VIBRATOR FREQUENCY PRICE ADJUSTMENTS

Vibrator Frequency

 

% Payment of Unit Price

Minimum

 

Maximum

 

 

below 3500

 

 

 

90%

3500

to

3999*

 

95%

4000

to

8000

 

100%

8001

to

9000

 

90%

9001

to

10,000

 

75%

above 10,000

 

 

 

50%

* Engineer may extend the lower specification limit to include this range

Note: Price adjustment shall apply to area half the distance to the adjacent vibrator or edge of slab and the length traveled during the non-compliance

 

 

 

 

 

TABLE C4

CERTIFIED PLANT INSPECTION PRICE ADJUSTMENTS

Type of Work

 

Daily Penalty

Structural Concrete & Patching

 

$500

Paving

 

$1,000

Note: Price adjustment for failure to provide certified plant inspection. Partial days may be assessed

 

 

 

 

 

TABLE C5

LATE CURING APPLICATION PRICE ADJUSTMENTS

Time After Finishing (hrs)

 

% Payment of Unit Price

to

<1

 

95%

1

to

<1

 

80%

1

to

<2

 

65%

2

to

<3

 

50%

 

 

More than 3

 

0%