Total construction quality management by leading ICT technology
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Transcript of Total construction quality management by leading ICT technology
Total Construction Quality Management by Leading ICT Technology
MTECH Engineering Co.,Ltd. 2016
It's one thing to have the technology at your fingertips and use it to it's full extent. Some people just like to do things the way they have always done it, even if
it's inefficient, costly and not very accurate.
CONSTRUCTION QUALITY MANAGEMENT
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Quality Management
It has been estimated that approximately 10% of the cost of construction rework is caused by delays in detecting the defects. Timely and accurate quality management practices can hence save money and expedite project schedules.
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Ref:David Arditi, H Murat Gunaydin, Total quality management in the construction process, 1997
Whose is responsible for the disaster?
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Designer, Contractor or Site Engineer ?
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Traditional working relationshipspromote attitudes such as,
"I will only do exactly what the contract says", and
" I will get away with whatever I can between partners’’ (McKim, 1995).
Quality management - just a paper?
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The long-term performance of any building and its ability to satisfy clients’ requirements
depend both on decisions made by its designers and on the care taken and skill possessed by the workers at the construction site
(Cheetham, 1993).
Engagement of WorkersRegarding faults caused by a lack of
engagement, the workers were responsible for most faults, 70%, compared with the designers, 35% and the building site management, 42%.
This study shows that it is necessary to combine an effective quality system with increased information/training and measures to improve the engagement of various parties in the construction process.
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Ref: Impact of Quality Management in the Swedish Construction Process
Impact of Design and Documentation Quality
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Poor design and documentation is the major cause of construction process inefficiency, leading directly to delay, rework and variations, and contributing to increase of cost and project delivery time, for both client and contractor.
Ref: CIB W55 & W65 Joint Triennial Symposium
Quality Management ObjectivesZero defect (no defects on each step, not just
handover)Identify and solve problems without delayEstablish true quality control by making quality
“build in” and not “inspected in”.
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Top Challenges
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Achieve cost saving while not sacrificing quality management excellence
Project Collaboration
Operational Visibility
Minimum Work Load
Information Accuracy
Cost Saving
Triple Constraint
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Root Problems
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Fragmented information Spread out teams Loose control
COLLABORATIVE ENGINEERING BY BIM
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Integrated Project Delivery (IPD)Integrated Project Delivery (IPD) is a project
delivery approach that integrates people, systems, business structures and practices into a process that collaboratively harnesses the talents and insights of all participants to optimize project results, increase value to the owner, reduce waste, and maximize efficiency through all phases of design, fabrication, and construction. (http://ipd-ca.net/overview/)
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Lean Project Delivery System (Ballard, 2000 and 2006)
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On Line Collaboration
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Visualization – Quality Inspection
70%of all your sensory
receptors are inYOUR EYES
Almost
50%of your Brain is involved
InVISUAL PROCESSING
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Visualization of Quality of Space
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Integrated Simulation PortfolioStructural AnalysisEcotect Analysis - online energy, water, and
carbon-emission analysisQuadstone Paramics - traffic simulationNoise pollutionShadow analysisViewshedWind modelingDisaster mitigation
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Life-like Experience – Digital Mockup
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Design for Operations and MaintenanceTypical AEC projects not fully optimized for
maintenance and operationsBIM supports design optimization for operations and
maintenance• The Virtual Prototype serves as the basis for operations and
maintenance simulation during the design phase
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BIM for Operations and Maintenance
mainte.avi
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HVAC system
Plumbing system Drainage system
Fully Coordinated BIM Model
Electrical system
Structural Design
Architecture Design
iBIM for Collaborative E&M Services
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E&M BIM Model
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E&M Layout – Head Room Optimization
Designed 2000x1500 beam low down the E&M services and fire shutter
Fail to fulfill the designed false ceiling height
FCU & air ductDesigned beam (2000x1500)mm
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Co-ordination of MEP & STRU
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External Piping Layout
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Unlimited Sectioning for Quality Checking
BIM Model Co-ordination and Collision Checking
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3D CBWD Checking – Conflicts Management
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Issue Free CSD
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Objectives- Construction sequence analysis
- Human resources planning- Productivity forecast
- Site layout planning- Collision checking- Safety analysis- Co-ordination
6 Days Cycle Construction Process Co-ordination
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6 Days Cycle Planning
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Simulation of the 6-day CycleHong Kong Housing Authority Project
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FROM ENGINEERING TO WORKMANSHIP
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Accumulated Defects / Deviations
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Construction Quality Management
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Task Management
Defects Management
Commissioning Management
Commission Process
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Organization Quality System and Plan
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OPERATION MANAGER
Traditional Quality Management Organization
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Current PainsConstruction document are not accurate enoughLong hours spent on creating checklists in the officeBad attitudes/abdication of responsibility / management
infallibilityResistance of the workforceLack of proper training/inadequate human resource
developmentLack of effective measurement of quality improvementNo structured way to collect site inspection dataTime lost to digitize site data in the office after the visit to
generate reportsPoor follow up on visit non compliant itemsPush management
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ChangesBy adopting the cloud computing with mobile
devices to enable self-disciplined real-time construction QC/QA management that significantly cut cost, improve productivity, and improve the quality of projects.
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FOLLOW YOUR PROJECTS FROM THE APPLICATION
ONSITE
ATTHE OFFICE
AproPLAN / CheckLists offers a complete solution
Solutions To The Challenges
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Construction Sequence
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Site Works Inspection Best Practices
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Creation of Check Visit by Site Forman (2)
Check Visit bySite Forman / BSI (3)
Audit Check Visit by QA(7)
Generation of NC visit (5)
Quality Improvement meeting (11)
Generation of CV report to Sub-contractor for corrective
actions (4)
Completion of QC visits (6)
Non-
Com
plian
ceMonitoring of Site Inspection
FlowQuality Manager (9)
Monthly Quality System Review meeting
Quality Manager (10)
QC Analysis reports (8)
Specific Trade Checklist Creation (1)
Design Specification or Site Mock Up Sample
NC = Non Compliance
Structural ChecklistCheck items (conditioning)Value with range & unitPlaceTimePeopleScore# of visitsReference informationPast record
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Checklist Sample: Water Proof Work
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Line Name Answer1Concrete defect are rectified and inspected 石屎問題已執妥及驗收 Yes/No
2Water proof test is done for concrete before the water proof members are layered 在做防水前,先作石矢試水 Yes/No
3Surfaces are cleaned and dry 表面已清潔及乾爽 Yes/No4Material not expired and mixing correctly 材料無過期 Yes/No
5# of Water proof coating follows the instruction of material suppliers 防水層數量已跟足"廠商施工章程指引" Yes/No
6Waterproof membrene thickness is as per required 防水料厚度足夠 Yes/No7Water test completed and satisfactory 已試水並合格沒有漏水情況出現 Yes/No8Wall height for water proof us as per specification 牆身防水高度是足夠 Yes/No
9
Protection to the waterproof membrane is checked (2 days after the completion of water proof test)已於防水表面做妥保護 (試水合格後兩天內完成) Yes/No
10Others 其他 :
Checklist Sample: Safe Place of Works
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Inspection Workflow
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Create Check Visit
Inspection with Photo
TakingNC Report & NC Checklist
NC Visit / Audit Check
VisitPerformance
Analysis
NC = Non Compliance
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www.netika.com/checklists
DEMO
Web platform
Mobile -Android
Tablet –Android & iOS
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iPad Version
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Inspection Checklists in Ipad
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Auto Check Visit Report Generation
Defect Analysis for QC
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Management Dashboard for QA & QC
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Quality Inspection Visit History
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CONCLUSION
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TQM ValueD
esig
n
Con
stru
ctio
n
Op
erat
ion
Bu
sin
ess
Cos
ts
Cu
stom
er V
alu
e
Project Delivery Life Cycle Operational Life Cycle
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Execution Transformation
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Return On Investment
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THANK YOU!www.mtech.com.hk
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Achieve 1st Time Quality
It's one thing to have the technology at your fingertips and use it to it's full extent. Some people just like to do things the way they have always done it, even if
it's inefficient, costly and not very accurate.