Scheme operational laboratory quality control at work

№

Name of technological operations (material)

Name of the controlled parameters and their normable value

Normative documents for materials that establishes the value of quality characteristics

Normative documents on test methods

* Control method, location of sampling

Tools for testing

Units that carry out control measures

The volume of the control sampling and frequency of tests

Name of executive documentation, in which is recorded result the control

Official who responsible for supervising the activities assigned to the unit in accordance with 8 column in the table

notes

1

2

3

4

5

6

7

8

9

10

11

12

Selection of a mixture

1

Granulometric composition

The grain size in mm:

coarse-grained. up to 40

fine-grained. up to 20

State Standard 9128-2009. Point 4,3.

State Standard 8269-97 for gravel

State Standard 12801-98 State Standard 22245-90

operation. Laboratory, ABZ, the laboratory

set of sieves

scales

plant laboratory

20 kg. on admission new batch of material.

1 time in 10 shifts

recipe

Head of the laboratory and a leading expert

Number of crushed stone (gravel) for the type B-% to 40% sv.30..

State Standard 9128-2009.Point 4.5.

State Standard 8269-97

operation. Laboratory, ABZ, the laboratory

set of sieves

scales

plant laboratory

20 kg. on admission new batch of material.

1 time in 10 shifts

recipe

Head of the laboratory and a leading expert

2

Penetration of bitumen

brands of bitumen

hot mixture BND 60/90 - 61-90.

State Standard 22245-90

State Standard 11501-78 (method for determining the depth of penetration of the needle)

operation. Laboratory, ABZ, the laboratory

Penetrometer

plant laboratory

0,5 kg daily

Bitumen test log

Head of the laboratory and a leading expert

3

Softening point of bitumen by the RuNO

BND 60/90 not less than 47⁰C

State Standard 22245-90

State Standard 11506-73

operation. Laboratory, ABZ, the laboratory

RuNO Device

plant laboratory

0,5 kg daily

Bitumen test log

Head of the laboratory and a leading expert

Preparation of asphalt mix

4

water saturation of asphalt concrete

for hot

type "B" -1,5-4,0.

State Standard 9128-2009.Table 5.

State Standard 12801-98

operation. Laboratory, ABZ, the laboratory

Vacuum. device, technical scales

plant laboratory

0,5 kg daily

Asphalt mix test log

Head of the laboratory and a leading expert

5

Compressive strength kg./sm²

for a / c mixture of type B Mark III:

a) at 20⁰ C is not less than 2.0.

State Standard 9128-2009. Table 4.

State Standard 12801-98

operation. Laboratory, ABZ, the laboratory

press

plant laboratory

20 kg. daily at least 1 time per shift when the raw material at least 1 time in 6 months

Asphalt mix test log

Head of the laboratory and a leading expert

b) at 50⁰ C is not less than 1.2.

c) 0⁰С not more than 13

6

Water resistance (factor)

For a / c mixture of mark III of all types the density - not less than 0.70.

State Standard 9128-2009. Table 4.

State Standard 12801-98

operation. Laboratory, ABZ, the laboratory

technical scale, a set of laboratory equipment

plant laboratory

Every day at least 1 time per shift

Asphalt mix test log

Head of the laboratory and a leading expert

7

Granulometric composition of mineral materials according to recipe (dry Mix)

State Standard 9128-2009. Table 3. type B (continuous grain structure).

State Standard 12801-98

operation. laboratory, from the mixer

scales, a set of sieves.

ABZ laboratory

20 kg., At least 3-4 times a shift and when the prescription

Asphalt mix test log

Head of the laboratory and a leading expert