Wt5912 unit0 week1

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WT5912TECHNOLOGY EDUCATION &WORKSHOP PRACTICE 2: MATERIALS AND CONSTRUCTIONUnit 0 – Week 1: Construction Studies and Health & SafetyDepartment of Design & Manufacturing TechnologyLecturer/Teacher: Mr. Joseph Lyster Academic Year 2011: Spring SemesterTechnical Support: Mr. Joe Murray & Mr. Richie Hennessy Lecture Notes: www.slideshare.net/WT4603P1004 – 28/01/2011 12-1pm

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WT5912Introduction:Students will beintroduced to the Construction related syllabi at senior cycle level and develop strategies to teach their concepts and content. Students will draw on their knowledge base from their primary degree and content of this module to formulate a coherent approach to teaching construction based subjects at second level.In addition to the Construction syllabi students will be involved in extensive laboratory work to ensure the competent and effective implementation of wood processing safety and practice in second level technology education settings. This is a core issue regarding the management of the classroom environment for health and safety of all and the nature of work being conducted.Department of Design & Manufacturing Technology

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WT5912Introduction:Lecturer: Joseph Lyster

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Teaching Assistant: JosephLyster

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Senior Technicians: JosephMurray, Richard Hennessy & Louise Madden

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Lab Groups: 2A

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Courses Involved: Grad.Dip. In Technology Education

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Lecture Times: Friday12-1pm in P1004 (PESS Building)....Be on time!!!

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Lab Times: Monday4-6pm/Tuesday 3-6pm

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Lecture Notes: Available@ www.slideshare.net/WT4603Department of Design & Manufacturing Technology

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WT5912Introduction:Aim & Objectives…Theoverall aim of this module is to prepare you for the role of teaching, learning and assessment of second level leaving certificate Construction Studies.Affective Domain: To motivate and foster your moral development as a teacher of Construction Studies with emphasis on critical pedagogy and practice, i.e. health & safety, through the integration of previous knowledge and methods of reflective inquiryCognitive Domain: To draw on the learning obtained from your pervious qualifications to support the development of your knowledge, comprehension and application of both theoretical and practical elements of Constructions StudiesPsychomotor Domain:To foster your ability to plan, develop and demonstrate practical processes and techniques through organised teaching and learning activities in the Construction Studies settingDepartment of Design & Manufacturing Technology

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WT5912Introduction:Assessment…60% Laboratory Work(LW)

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20% Written Exam(WE)

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20% Term Assignments(TA)

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Machines Practical Exam(Pass / Fail Basis)

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Lab Book (Pass/ Fail Basis)

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Note:

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Students must passall assessment elements to obtain a pass in the module.

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Students that failthe practical machines exam and repeat exam will automatically fail the entire module.

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Nature of Projectwork: Refer to outline, as given, for specific project details.Department of Design & Manufacturing Technology

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WT5912Construction StudiesDepartment ofDesign & Manufacturing Technology

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WT5912Construction Studies:Details:Construction Studies(C.S.) was established in 1984 and was first introduced to vocational schools

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It is asecond level senior cycle subject and a follow on subject from junior certificate Materials Technology Wood (MTW)

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It is partof the ‘established leaving certificate’ programme

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The subject isoptional, meaning students can choose to study it if they wish.

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It is offeredin most schools but not all.

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It offers abroad range of learning involving both theory and practical.

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In terms ofits assessment, it is offered at both ordinary and higher level

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The uptake inC.S. has continued despite the collapse of the Irish Construction sector/Industry.

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This can belargely attributed to the learning experience on offer and the respect for teachers of C.S.Department of Design & Manufacturing Technology

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WT5912Construction Studies:The aims& Objectives…Department of Design & Manufacturing Technology

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WT5912Construction Studies:The Assessment…Department of Design & Manufacturing Technology

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WT5912Construction Studies:The Theory…Theory/Drawings:General– Planning, sustainable development, health and safety etc…

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Substructure – Foundationtypes, rising walls, floors, radon, DPC, provision etc…

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Superstructure – ExternalWalls, windows, doors, roofs, dormers, chimneys, etc…

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Internal Construction –Internal walls, floors, partitions, second fixings, doors, etc…

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Services and ExternalWorks – Mechanical services, electricity, wastewater treatment, sewage, etc…

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Heat and ThermalEffects In Buildings – Construction type, Insulation, material conductivity, air tightness etc…

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Illumination In Buildings– Natural Light, glazing, LUX, heat transfer, dwelling orientation etc…

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Sound In Buildings– Insulation etc… Department of Design & Manufacturing Technology

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WT5912Construction Studies:The Practical…Practical:Tools

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Maintenance and careof tools

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Uses, construction andmechanical principles

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Health & Safety

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Processes

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Construction of jointtypes used in partitions, floors, stairs, roof, structural timbers, doors, window frames, box and carcase construction.

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Laminating board material

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Correct use ofmanufactured board

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Storage of materials,knowing properties of wood.

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Ability to effectivelyplan a cutting list, use of jigs clamps etc… Department of Design & Manufacturing Technology

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WT5912Construction Studies:Coursework &Projects…CourseworkProjectsDepartment of Design & Manufacturing Technology

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WT5912Construction Studies:Coursework &Projects…Department of Design & Manufacturing Technology

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WT5912Construction Studies:Current Trends…CurrentTrends:Though the theoretical areas/principles of the subject remain the same there has been a significant change in the process of building.

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This is currentlybeing assessed in the leaving certificate exam, which is set by the State Examinations Commission (SEC).

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The subject hasengendered a strong theme for economic, social and environmental building performance, i.e. sustainability.

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These features arebeing integrated into the examination phase through elements such as updated building regulations, building energy rating (BER), passive housing, sustainable planning and development.

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A few yearsago the subject was to receive a formal update including a revised syllabus and new name –Architectural Technology.

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However, the currenteconomic climate and the issue of funds to support the broader range of development in the technologies has resulted in this plan being shelved until a future date.Department of Design & Manufacturing Technology

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WT5912HEALTH & SAFETYDepartmentof Design & Manufacturing Technology

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WT5912Health & SafetyManagementSection 8(2)e of the 2005 Act states that it is the duty of every employer “to provide systems of work that are planned, organised, performed and maintained so as to be, so far as is reasonably practicable, safe and without risk to health.”Health and safety management is a practical and systematic approach to identifying hazards and evaluating the extent of associated riskDepartment of Design & Manufacturing Technology

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WT5912Department of Design& Manufacturing Technology

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WT5912Unsafe WorkplacesCan beidentified by:High accident/injury rates.

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Poor machinery guarding.

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Poor cleaning andhousekeeping arrangements.

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Limited interest ofOHS by employers/management.

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Lack of care/respectfor safety rules.

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Poor safety culture.Departmentof Design & Manufacturing Technology

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WT5912Safe WorkplacesCan beidentified by:Regular inspection of workplace

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Consultation between employerand employees.

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Clearly defined structureof responsibilities….

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Employees are trained…

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Exceeds the specificrequirements of the law – manages safety not for fear of being reprimanded but for the employees.Department of Design & Manufacturing Technology

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WT5912Safety ManagementThe Keysteps of any Health & Safety Management scheme are:PolicyHazard identificationRisk AssessmentControl Measures.Recording Findings (Safety Statement)Monitoring, Review and AuditingDepartment of Design & Manufacturing Technology

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WT5912Required ReadingDepartment ofDesign & Manufacturing Technology

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WT5912The Safety ManagementProcessDepartment of Design & Manufacturing Technology

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WT5912Health & SafetyPolicyDepartment of Design & Manufacturing Technology

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WT5912Health & SafetyPolicyDepartment of Design & Manufacturing Technology

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WT5912More information canbe found byconsulting manufacturer’s manualDepartment of Design & Manufacturing Technology

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WT5912Health & Safetyat Work Act 2005 Pg. 30 of Health & Safety at Work Act 2005Department of Design & Manufacturing Technology

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WT5912Identify Hazards (HazardIdentification)Department of Design & Manufacturing Technology

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WT5912Common Machinery/Mechanical HazardsDepartment of Design & Manufacturing Technology

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WT5912Wrap Point: (Entanglement)Department of Design & Manufacturing Technology

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WT5912Shear Point andCutting Hazards Department of Design & Manufacturing Technology

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WT5912Crush Points Departmentof Design & Manufacturing Technology

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WT5912Ejection Hazards Departmentof Design & Manufacturing Technology

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WT5912Other Hazards Departmentof Design & Manufacturing Technology

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WT5912Hazards Department ofDesign & Manufacturing Technology

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WT5912Classroom Risk Assessment:Youwill need to develop a template for your lesson riskassessment.

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Strategies will needto be developed to:

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Reduce or eliminaterisk

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Demonstrate safe useof machine(s)

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Teach key learningpoints relating to machine or process

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Assess and recordpupil learning and competence

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Ensure adequate supervisionof activitiesDepartment of Design & Manufacturing Technology

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WT5912Room LayoutDepartment ofDesign & Manufacturing Technology

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WT5912Assess Risk (RiskAssessment)Department of Design & Manufacturing Technology

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WT5912Risk Magnitude Departmentof Design & Manufacturing Technology

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WT5912Risk AssessmentDepartment ofDesign & Manufacturing Technology

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WT5912Difference Between AHazard & RiskHazard

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means anything thatcan cause harm (eg chemicals,electricity, working from ladders, etc)

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Risk

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is the chance,high or low, that somebody will beharmed by the hazard.Department of Design & Manufacturing Technology

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WT5912Hierarchy of RiskControlEliminate the Hazard Completely.Substitute Hazard with a safer alternative.Isolate the Hazard.Use engineering controls to reduce risk at the source (Guarding).Provide training on how to avoid risks.& if all that fails…Use PPE.Department of Design & Manufacturing Technology

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WT5912Importance of beingable to Assess RiskDepartment of Design & Manufacturing Technology

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WT5912Risk Assessment ConsiderationsExposureto hazard

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Very Infrequent (<once per annum or less)

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Quite Infrequent (annually/biannually)

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Frequent (quarterly/monthly)

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Quite Frequent (weekly/daily)

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Highly Frequent (continuousdaily)Department of Design & Manufacturing Technology

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WT5912Risk Assessment ConsiderationsLikelihood

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Highly Unlikely (practicallyimpossible)

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Quite Unlikely (conceivablebut very unlikely)

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Likely (conceivable andcould possibly happen)

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Quite Likely (almostcertain to happen)

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Highly Likely (certainto happen)Department of Design & Manufacturing Technology

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WT5912Risk Assessment ConsiderationsConsequences

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Minor Injury/Ill Health( minor cuts, abrasions etc.)

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Injury/Ill Health (burns,sprains, minor fractures etc.)

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Serious Injury/Ill Health(breaks, deafness etc.)

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Major Injury/Ill Health(amputations, cancer, multiple breaks etc.)

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Fatality (one ormore fatalities)Department of Design & Manufacturing Technology

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WT5912Factors Effecting Likelihood& OccurrenceIndividual FactorsKnowledge

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Skills

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Training

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Experience

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Attitude

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Motivation

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Risk perception

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Mental condition

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Physical condition

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Accident pronenessDepartment ofDesign & Manufacturing Technology

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WT5912Factors Effecting Likelihood& OccurrenceTask factorsEmergency arrangements

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Training/ information/ instruction

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Supervision

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Communications

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PPE

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Condition of equipment/tools

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Maintenance regime

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Guarding/hazard controls

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Workload

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Patterns of workDepartmentof Design & Manufacturing Technology

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WT5912WT5912Factors Effecting Likelihoodof Occurrence Department of Design & Manufacturing TechnologyDepartment of Design & Manufacturing Technology

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WT5912WT5912Risk Magnitude MatrixDepartment of Design & Manufacturing TechnologyDepartment of Design & Manufacturing Technology

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WT5912Which Poses theGreatest Risk? Department of Design & Manufacturing Technology

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WT5912Risk Magnitude MatrixDepartment of Design & Manufacturing Technology

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WT5912CLASSROOM MANAGEMENT: Health& Safety…Department of Design & Manufacturing Technology

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WT5912Supervision & AccessStudentsshould only work in a high risk area when it is fully under the control of a person competent to work in and supervise that area.

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Close monitoring ofstudents using machinery.

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Students must notbe permitted to use equipment while unsupervised.

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It is theresponsibility of the schools to ensure that the machines are not accessible to unauthorised persons

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Cleaners

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Visitors

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Unsupervised students.Department ofDesign & Manufacturing Technology

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WT5912Supervision & AccessDepartmentof Design & Manufacturing Technology

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WT5912Supervision & AccessDepartmentof Design & Manufacturing Technology

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WT5912Exclusion ZonesAn assessmentof each workshop should be carried out in order to determine the safe operational area around each machine.

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Hard wearing andclearly visible markings should be set down on the floor to indicate these safe operation areas.

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If necessary, machinesshould be moved to accommodate this safe operational area.Department of Design & Manufacturing Technology

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WT5912Emergency Isolators andEmergency Stops Department of Design & Manufacturing Technology

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WT5912Start/StopAre there appropriatestart / stop controls ?

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Location

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Colour

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Flush mounted

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Mushroom head

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Turn release

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Key releaseDepartment ofDesign & Manufacturing Technology

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WT5912Start/Stop Stop control musthave priority over the Start control. Start ControlFlush

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RecessedStop ControlMushroom Head

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Push BarDepartment ofDesign & Manufacturing Technology

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WT5912Emergency StopSome machinesmay have two stopping devices.Hand OperatedFoot/Knee OperatedDepartment of Design & Manufacturing Technology

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WT5912Material Preparation Departmentof Design & Manufacturing Technology

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WT5912GuardingMachine guards must:Beof robust construction.

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Not give riseto any additional hazard.

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Not be easilyremoved or rendered inoperative. (Removed with the use of a tool)Be situated a sufficient distance from the danger zone.

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Not restrict morethan necessary the view of the operating cycle of the equipmentDepartment of Design & Manufacturing Technology

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WT5912LightingDepartment of Design& Manufacturing Technology

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WT5912Push Sticks Departmentof Design & Manufacturing Technology

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WT5912Maintenance of MachineryDepartment of Design & Manufacturing Technology

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WT5912Preventative Maintenance Departmentof Design & Manufacturing Technology

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WT5912Maintenance Records Departmentof Design & Manufacturing Technology

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WT5912Inspection of MachineryDepartment of Design & Manufacturing Technology

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WT5912Inadvertent Starting Departmentof Design & Manufacturing Technology

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WT5912Machinery Rundown TimeDepartment of Design & Manufacturing Technology

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WT5912CE MarkThe CEMarking is not a mark indicating conformity to a standard but rather a mark indicating conformity to the legal requirements of EU Directives. Department of Design & Manufacturing Technology

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WT5912CE MarkCE Markingis the symbol as shown on the top of this page.

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The letters "CE"are the abbreviation of French phrase "Conformité Européene" which literally means "European Conformity".

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The term initiallyused was "EC Mark" and it was officially replaced by "CE Marking" in the Directive 93/68/EEC in 1993.Department of Design & Manufacturing Technology

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WT5912CE MarkMachinery mustbear the “CE” mark in order to be deemed in compliance with these regulations.

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Must not addto machinery – must be there… criminal offence to try to add it.

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Also an offenceto reduce the visibility of the “CE” Marking on a machine.Department of Design & Manufacturing Technology

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WT5912CE Mark The existenceof the “CE” marking on a piece of machinery should indicate that its manufacturer has met all relevant standards and requirements.Department of Design & Manufacturing Technology

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WT5912CE Mark Never assumethat machinery is safe just because it has a “CE” markingDepartment of Design & Manufacturing Technology

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WT5912Emergency/PermissionMandatory/ActionWarning/Caution-DangerRegulatory/ProhibitedDepartment of Design& Manufacturing Technology

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WT5912Surface PlanerDepartment ofDesign & Manufacturing Technology

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198273465WT5912Surface Planer101112Department ofDesign & Manufacturing Technology

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WT5912Step 1:Isolate machineOutfeed TableStep 2: Squaring guide fenceSet up surface planer guide fence @ 90⁰ to table surface

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Note infeed andoutfeed table.

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Square to infeedusing right angle square.

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Use red lockhandles to open and adjust fence.

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Lock gently whenfence is perpendicular to infeed table.Infeed TableDepartment of Design & Manufacturing Technology

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WT5912Step 3: Settinginfeed deptThis machine is calibrated in metric.

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Maximum recommended materialremoval is 1-2mm/pass

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Dept stop tobe set at 2mm

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Open infeed lockhandle

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Turn wheel toleft to drop table to 2mm

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Lower you drop,the more the planer cutting block is exposed

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Close infeed lockhandle when required dept is achieved.

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* Do notadjust outfeed table level, this is for maintenance purposes only*InfeedInfeedDepartment of Design & Manufacturing Technology

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WT5912Step 4: Settingthe guide fence widthMinimum blade exposure

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Width of material+ 10mm is recommended

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This results in10mm blade exposure - Safety

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Adjust lock handleto wind in or out guide fence

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Lock in appropriatepositionDepartment of Design & Manufacturing Technology

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WT5912Step 5: GuardadjustmentGuard set for face side = handle up – 10mm blade exposure

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Guard set forface edge = handle flat – no blade exposureDepartment of Design & Manufacturing Technology

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WT5912Step 6: MaterialInspectionInspect material for the following defects

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Cupping

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Bowing

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Twist

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Knots

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Loose grain

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Example - ifmaterial is bowed, set the bowed face to the surface planer table surface and process. Material should never be run through hump side down.Department of Design & Manufacturing Technology

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WT5912Step 7: Determiningface side and face edgeUse machine surface to check square

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Select appropriate faceside and face edge based on inspection

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Preliminary surface markingusing an ‘X’ with no less than a HB pencil

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Ensure extraction gatevalve is open and extraction is on

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Proceed to planematerial – face side and face edge only!Gate Valve locate on extractor pipe just above surface planerXXDepartment of Design & Manufacturing Technology

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WT5912Step 8: Planingface sideMaterial position

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Hand positionsDept ofHandDept of HandEnsure Guard Guide is in a vertical position to plane face sideDepartment of Design & Manufacturing Technology

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WT5912Note Hand Positionsin relation to materialDepartment of Design & Manufacturing Technology

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WT5912Step 9: Planingface edgeMaterial position

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Hand positionDept ofHandDept of HandEnsure Guard Guide is in a horizontal position to plane face edgeDepartment of Design & Manufacturing Technology

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WT5912Note Hand Positionsin relation to materialSplit second blade ExposureBlade guard flat onto tableDepartment of Design & Manufacturing Technology

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WT5912ThicknesserDepartment of Design& Manufacturing Technology

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1234WT5912ThicknesserDepartment of Design& Manufacturing Technology

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WT5912Delta SwitchStop/StartLab sequence– ThicknesserStep 1:Unlock twist release stop mechanismPress green button to startAllow machine to build up, this can be determined by noise consistencyWhen noise is consistent flip delta switch to on positionFeed rate, i.e. Speed at which material is passed, is set.Adjust table height as requiredFeed material as directedTwist Release StopDisplay PanelThicknesser Bed Adjustment ControlFeed Rate ControlDepartment of Design & Manufacturing Technology

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WT5912Step 4: RipSawDepartment of Design & Manufacturing Technology

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87126534WT5912Step 4: RipSawDepartment of Design & Manufacturing Technology

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4658910WT5912Step 4: RipSawDepartment of Design & Manufacturing Technology

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OUTFEEDTABLESLILDINGTABLEWT5912Step 4: RipSawDepartment of Design & Manufacturing Technology

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WT5912Step 4: RipSawCross CuttingRippingDepartment of Design & Manufacturing Technology

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WT5912Step 4: RipSaw – Ripping MaterialMark Line across end grain:Horizontal when cuttingVertical when planing#NB: Ensure correct use of PPE and push sticks are practiced.Department of Design & Manufacturing Technology

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WT5912Step 4: RipSaw – Ripping MaterialDepartment of Design & Manufacturing Technology

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WT5912Refer back toyour cutting list to make sure you cut pieces to the correct length.After the material has been ripped and surface planned into correct / required sizes, you then have to cross-cut the sections to the required length. For this, you will have to set up the fence on the sliding table to achieve this.Department of Design & Manufacturing Technology

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WT5912#NB: Ensure guardsand guides are set-up and used correctly and safely.Department of Design & Manufacturing Technology

Wt5912 unit0 week1

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Wt5912 unit0 week1