Quality Control Plan Check List

Quality Control Plan Check List

QUALITY CONTROL PLAN CHECK LIST

Control Number
Project Number
Contractor
Reviewer
Date

CONTRACTOR ORGANIZATION

Process Control Technician (PCT) Name (REQUIRED)
Duties:
1)How will the duties be accomplished?
2)What is his authority?
TTCP Certification (REQUIRED)
Quality Control Technician (QCT) Name (REQUIRED)
Duties:
1)How will the duties be accomplished?
2) What is his authority?
TTCP Certification (REQUIRED)
Quality Control Manager (QCM) Name (OPTIONAL)
Duties:
1)How will the duties be accomplished?
2)What is his authority?
TTCP Certification (OPTIONAL)

TESTING EQUIPMENT AND LAB FACILITIES

Type of lab facility and location
Discussion of equipment calibration procedure and frequency
Equipment Calibration (When, How and Who)
Discussion of deviations from tests as required by TTCP
Copies of Approved Forms for reporting

AGGREGATE PRODUCTION

Quality of Aggregate – Type of Aggregate (limestone, caliche, granite, etc)
Type of pit
Number of stockpiles
Mix design submittal date
Person or Lab responsible for SL and LA Wear (Aggregate Index)
Frequency of aggregate quality testing if commercial pit
Type of crushing equipment
Sieve to remove natural fines (min No. 4)
Discussion on control chart utilization
Discussion of corrections to crushing operation
Procedure when there is an indication of change to crushing
Discussion on sampling methods and location
(Note: Sampling of stockpile once the amount of material is crushed is not acceptable)
Production rate during crushing

STOCKPILE MANAGEMENT AND QUALITY OF COMPONENTS

Proper separation of stockpiles at the plant including location of stockpiles in relationship to cold feed bins
Discussion on minimizing segregation
Discussion on avoiding stockpile contamination
Discussion on stockpile height limitation and shape
Testing frequency of stockpiles
Tests to be performed on PMBP aggregate production (LL, PL, SE, FF, wet prep, gradation, flat and elongated, FFA)
Discussion of controlling dust to asphalt ratio
Discussion of corrections to out of specification material
Tests to be performed on base course aggregate production

MIX DESIGN

Who develops the mix design?
Gradation used for mix design
Discussion on amount of material crushed prior to mix design submittal
Asphalt supplier/refinery
Grade of asphalt
Person responsible for obtaining asphalt samples
How the asphalt samples will be handled
Where the asphalt samples will be stored
Procedures for inspecting asphalt storage tanks

PRODUCTION OF BASE COURSE

Equipment used to produce base course
Discussion of tests to be used for monitoring quality of the material
Discussion of testing frequency
Discussion about when materials are changing or when two or more consecutive tests are out of specification as per Section 920
How will the samples be obtained?
Method used to produce random numbers
Method used to load trucks
Protection of sample during transport
Rejection of unsatisfactory material

PLACEMENT OF BASE COURSE

Lift thickness
Equipment used to place base course
Discussion of tests to be used for monitoring quality of the material
Discussion of testing frequency
Discussion about when materials are changing or when two or more consecutive tests are out of specification as per Section 920
How will the samples be obtained?
Method used to produce random numbers
Type of trucks (belly dump, end dump, etc.) and number of trucks
Protection of sample during transport
Rejection of unsatisfactory material

COMPACTION OF BASE COURSE

Type and size of rollers
Number of rollers
How will the rolling pattern be established
Nuclear densometer calibration
Lot and sublot sizes

PRODUCTION OF PMBP

Equipment used to produce PMBP
Equipment used to place PMBP
Discussion of tests to be used for monitoring quality of the material
Discussion of testing frequency
Discussion about when materials are changing or when two or more consecutive tests are out of specification as per Section 920
Discussion of lime introduction into the mix (Conveyor belt must be convered)
How will moisture be added prior to introduction of lime into the pug mill?
How will the samples be obtained without lime?
How will the samples be obtained with lime?
Mixing temperature
Plant production rate (tons/hr)
Method used to load trucks
Protection of sample during transport

PLACEMENT OF PMBP

Lift thickness
Discussion about when materials are changing or when two or more consecutive tests are out of specification as per section 920
How will the samples be obtained?
Speed of laydown machine
Level of material in the hopper
Stopping and starting
Amount of head in front of the augers
Inspection of laydown machine
Address balancing of paver speed, roller speed, number of trucks and plant production (completed balance sheet)
No broadcasting of aggregates onto the mat
Minimal raking of longitudinal joints
Method used to produce random numbers
Method used to obtain samples behind the laydown machine
Type of trucks (belly dump, end dump, etc.) and number of trucks
Balancing of operations (plant/trucks/laydown)
Protection of sample during transport
Rejection of unsatisfactory materials

COMPACTION OF PMBP

Type and size of rollers
Number of rollers
How will the rolling pattern be established?
Who will establish rolling pattern?
Nuclear densometer calibration
Determination of location of cores
Frequency of cores
Method of coring
Method of transporting cores to prevent damage
Lot and sublot sizes
No averaging of results on multiple cores taken in a sublot

SMOOTHNESS

Type of profiler
Profiler operator
Profiler calibration
Profiler operation
Submittal of summary of results (within two working days)
Traffic control related to profiler operation
Traffic control related to corrective action operation

COMMENTS