CLARK COUNTY DEPARTMENT PUBLIC WORKSConstruction Management QUALITY PROGRAM QUALITY CONTROL QUALITY ASSURANCE INDEPENDENT ASSURANCE
QUALITY • --Quality Control is the responsibility of the primary installer or fabricator of the material; they are the experts in what they build. • --Quality Assuranceis the oversight by the agency of the Quality Control; they want to receive what is specified. • Uses verified QC testing and inspection as acceptance (like when observing the production of a car you want to buy ) • --Independent Assurance is the responsibility of the agency to ensure QA and QC are verifiable • Make sure QC and QA testing are compatible and consistent
Contractor Quality Control • Sections 111 thru 117 and website • 111 Administration- General • Gives overview of program • Check to see Responsible Person in Charge and Quality Control Coordinator; both required or only one • See exceptions (inspector separate from foreman) • Contractor responsible for the Quality of the work. • Owner oversight and verification of Contractor is acceptance. • 112 QC Administration • Organization structure based on 113 • Documentation • Contractor responsible
Contractor Quality Control • 112 QC Administration (continued) • 112.04 Documentation • Be legible, identifiable, and retrievable. • Protected in a manner to prevent damage, deterioration, or loss. • Readily available for review within 4 hours. • Retain documents until transmitted to the Engineer at substantial completion • Filing • Section has list of requirements • Submittal procedure • Logging and Submission Process
Contractor Quality Control • 112 QC Administration (continued) • Submittal procedure • Reviewing Returned Submittals • No exceptions taken • With Corrections Noted • Amend and Resubmit • Rejected • Deficiency tracking • Deficient Work • work that is not in accordance with Contract Documents • it can be readily corrected
112 QC Administration (continued) • Deficiency tracking • Deficient Work • Non-Conforming Work (non-compliance) • A Deficiency which cannot be readily corrected • For example, concrete compressive strengths being below specification, or Field soils density test being below specification and no longer accessible. • Informational Tests • Determine the amount of effort necessary to provide work that complies with the Contract Documents • Need to notify ahead of time if want to use for acceptance
112 QC Administration (continued) • Deficiency tracking • Deficient Work • When found and resolved same day, do not list • Deficiency Reporting • At minimum • Weekly Review • Before the Weekly Progress Meeting, review the Deficiency Tracking Log for outstanding Deficiencies. • Generate a summary of outstanding deficiencies including status of each. • Deliver the Summary at the Weekly Meeting
112 QC Administration (continued) • Deficiency tracking • Deficiency Resolution • Resolution by Contractor, not Engineer • Engineer can disapprove the resolution • Resolution must be reviewed by a contractor PE • 112.05 Conflict Resolution Process • 24 hrs for position 5 Quality Control Inspector • 48 hrs for position 3 Responsible Person-in-Charge • 96 hrs for position 1 Contractor Principal Representative
112 QC Administration (continued) • 112.05 CONFLICT RESOLUTION PROCESS • 3rd party testing • Agreed by contractor and engineer • Costs for 3rd party • 112.06 CERTIFICATION, MATERIAL DELIVERY, TRACKING • Logs see section 115,116 • Complete the Materials Delivery documentation. REMEMBER ON LPA PROJECTS, BUY AMERICA CLAUSE • Track materials until incorporation into the work. • Ensure that all materials are noted on the Materials Tracking Log. • Resolve certification problems.
112 QC Administration (continued) • 112.07 ACTIVITY CARDS AND CONTROL MEASURES (Form CCPW QC-103) • RPC to ensure in conformance with section 114 • Section 1 Actual Work Performed
112 QC Administration (continued) • Section 2 Deficiency Check • Section 3 Inspection Items
112 QC Administration (continued) • Section 4 – Testing & Sampling • Table 1 on web • Test turn-a-round important! $100 per day deduction for late tests • Need appropriate documentation for various lifts, use stations, lift elevations. • Use the materials & sample tracking log. • Sequential test numbering for entire project • Section 5- Remarks • Section 6- Sign-Off
112 QC Administration (continued) • Testing & Sampling • List potential testing for the project • Log from inspection of Asphalt Concrete
112 QC Administration (continued) • Concrete Placement log
112 QC Administration (continued) • Sample Tracking Log • Attach lab tests
112 QC Administration (continued) • 112.08 DAILY REPORTING • Activity card completed and attach: • Field Tests • Inspection reports (CCPW QC-100) • Inspection forms (see http://www.accessclarkcounty.com/depts/public_works/Pages/qa.aspx ) • 112.09 MONTHLY REPORTING • Summary of QC performed • Include quantity and amount of testing • Cover letter attest that the month has been reviewed • Indicate short falls in testing, quality and other pertinent items • State resolution actions in letter or being resolved • Material resolution to be reviewed and stamped by an engineer
112 QC Administration (continued) • 112.09 MONTHLY REPORTING • Submitted using in part or whole: • CD-Rom • Word processing documents • Spectraqest • Or combination • In format in the section • 112.10 FINAL REPORTING • Same as previous, but shall not be submitted until all discrepancies and non-conformances have been resolved, including the close-out audit. • Testing shortfalls will have fees assigned
112 QC Administration (continued) • 112.11 QC AUDITING PROCEDURES • Project over 90 calendar days, no audit needed • Items: • Advanced Notification Cards Logs - 24-hour notice being given • Pre-Activity Meetings Logs • Activity Cards Logs - accurate, correct, and complete on a daily basis • Materials tracking log • Sampling and Testing completed with tracking information and results • Record dwg’s are being updated monthly • QC documentation and overall program is being implemented effectively • Documentation for resolution of Deficiencies/Non-Conformances Logs correct and complete • Written document with checklist • Follow-up audit for corrections within one week
112 QC Administration (continued) • 112.12 QC PROGRAM REVISIONS • Changes in procedures • Forms • Organization • Need approval of engineer
113 CONTRACTOR ORGANIZATION • Basic chain of command • Position 1 - Contractor Principal Representative • Owner or representative • Position 2 - Professional Engineer (PE) • Position 3 - Responsible Person-in-Charge (RPC) • Superintendent level • Position 4 - Quality Control Coordinator (QCC) • Position 5 - Quality Control Inspector (QCI) • Positions 6 - Quality Control Field Technician (QCFT) • Positions 7 - Quality Control Lab Technician (QCLT) • All positions need resumes submitted
113 CONTRACTOR ORGANIZATION (cont) • Responsible Person-in-Charge (RPC) • Responsible for the work • Min 8 yrs in type of construction • Stop work authority • QC Laboratory Engineer • Min 5 years experience construction experience • Nevada PE • Quality Control Coordinator (QCC) • Ensures that the documents are coordinated to all levels of the project • Min 2 yrs experience or resume
113 CONTRACTOR ORGANIZATION (cont) • Inspectors or foremen (if acting inspector per section 111) • Min 3 years experience • Must submit form (Tables 1 thru 7) • One form per individual • Inspections and persons MUST also be identified during pre-activity mtg
113 CONTRACTOR ORGANIZATION (cont) • Laboratories • AASHTO AMRL/CCRL accredited • Must be maintain throughout project • Subject to non-payment • ID all labs used
114 INSPECTION PROCEDURES • 114.04 INSPECTION PROCESS • Shall have experience • PRE-ACTIVITY MEETINGS • First start of any bid item work, or after long period of in-activity • Meet with all involved • Meet at location of work • Setup by contractor but Engineer may ask for one • RPC facilitates • Provide documentation, follow list • RPC, QC & QA Inspectors, foremen
114 INSPECTION PROCEDURES(cont) • ADVANCE NOTIFICATION CARDS • Use form on website
114 INSPECTION PROCEDURES(cont) • QUALITY CONTROL ACTIVITY CARD PROCESS • Section 1 – Actual Work Performed • Section 2 – Deficiency Check • If none, initial • If exists, note in row and log number
114 INSPECTION PROCEDURES(cont) • Section 3 – Item/Material for Inspection • For inspections of work in Section 1 • QC initial & date • Minimum one day advance notification for QA • If QA cannot inspect, note it then continue the work • Attach inspection forms to card
114 INSPECTION PROCEDURES(cont) • Section 4 – Testing and Sampling Requirements • Used for documenting work in Section 1 • RPC indicate actual tests • Indicate amount of material that could be tested • Amount of tests based on Table I frequency
114 INSPECTION PROCEDURES(cont) • SAMPLING AND TESTING • Table I on website • Density tests to be clearly marked with paint • FINAL INSPECTION(S) AND TESTING • Ensure all deficiencies are corrected and documented
114 INSPECTION PROCEDURES(cont) • HOLD POINT PROCESSES • Defined on website • Used for work stop for inspection • Contractor can add hold points • Shall not proceed with work
MATERIAL SOURCES • Delivery onsite inspected by Contractor and Engineer • Source inspection performed as required by contract
114 INSPECTION PROCEDURES(cont) • ELEVATION REFERENCES • Elevations minus from one of grades • Example: Finish Grade Aggregate Base minus 0.5 feet or FGAB-0.5'
114 INSPECTION PROCEDURES(cont) • 114.05 FIELD PROBLEM IDENTIFICATION AND REPORTING PROCESS • Read the procedure for each • Non-quality personnel • Testing tech • QC inspector
114 INSPECTION PROCEDURES(cont) • 114.06 TRACKING RESPONSIBILITY • RPC shall track discrepancy on the activity card • Compare to log • Ensure all resolved
114 INSPECTION PROCEDURES(cont) • 114.08 INSPECTION REPORTS • Use form CCPW QC-100 or similar approved by the Engineer • Full-time documented inspection • Oversight writing shall include • Observation of Quality Control and Quality Assurance tests • Review or spot check of procedures
114 INSPECTION PROCEDURES(cont) • Evaluation of project controls • Coordination • Review all field and lab test data • Written inspection report to include: • Date including the year. • Weather conditions; cloudy, rain, etc. • Temperature – high and low (the web site wunderground.com is a good resource).
114 INSPECTION PROCEDURES(cont) • Wind velocity and direction (approximate). • Total calendar days. • Contractors and Subcontractor’s working hours. • Specify work activities performed on that day/week The work in progress. • Pay Quantities for the day’s activities. • Note any unusual situations encountered, such as accidents, damages to vehicles or to the project, unusual material (bentonite, etc.), or anything that you would bring to the attention of others.
114 INSPECTION PROCEDURES(cont) • Important calls, • Conversations, • Verbal discussions with Engineer relative to the work, including any. instructions or suggestions from the Engineer. • Communication with the property owners. • Official visitors and their recommendations; official visitors may include FHWA, Central. Office Personnel, Region Personnel. • Major equipment. • Sizable work forces being moved onto or away from the job. • General locations where equipment is working, not working, and/or idle for repairs. • Material rejected and reason.
114 INSPECTION PROCEDURES(cont) • Substandard materials and justification. • Any phase shut down, justification and by whom. • Time spent with Engineer on disputable items of work. • Describe any delays and duration. • Progress of surveying and staking. • Deviations and corrective action taken. • Traffic Control. • Changes to Plans. • Project personnel. • Contractor Inspector signature and title
Independent Assurance Testing • Verifies visually • Care Custody and Control • Verifies QC and QA testing procedures • 3-way split, IA retain one, only QA/QC testing • If test by IA are required • Use 3rd sample
General Responsibilities IA Testers • IA unit is responsible for auditing field testers by : • Performing visual audits, • Direct the splitting material samples • Maintaining testing consistency • Verifying that all testing personnel possess the necessary qualifications • Performing inspections on QA and QC labs