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NSW HSC 2009 : CONSTRUCTION

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2009 H I G H E R S C H O O L C E R T I F I C AT E E X A M I N AT I O N Construction Total marks 80 S ection I General Instructions Reading time 5 minutes Working time 2 hours Write using black or blue pen Board-approved calculators may be used Write your Centre Number and Student Number at the top of pages 9 and 13 Pages 2 6 15 marks Attempt Questions 1 15 Allow about 15 minutes for this section S ection II Pages 9 16 35 marks Attempt Questions 16 23 Allow about 45 minutes for this section S ection III Pages 17 18 30 marks Attempt TWO questions from Questions 24 26 Allow about 1 hour for this section 333 Section I 15 marks Attempt Questions 1 15 Allow about 15 minutes for this section Use the multiple-choice answer sheet for Questions 1 15. 1 What should a ladder that is to be used near power lines be made from? (A) Fibreglass (B) Aluminium (C) Timber and steel (D) Aluminium and plastic 2 A worker who is unconscious but breathing is found on a work site. How should the person be placed while waiting for help to arrive? (A) With their feet raised to increase blood flow to the heart (B) In a recovery position with the shoulder tilted to one side to assist breathing (C) In a recovery position with the head tilted, chin lifted and the mouth slightly downward (D) In a comfortable position, ensuring that any broken limbs are raised to prevent excessive loss of blood 3 What is the name of the procedure for transferring an existing datum to another point of reference? (A) Levelling (B) Plumbing (C) Squaring (D) Checking for accuracy 2 4 What is the area of the courtyard shown? 5m 4m NOT TO SCALE 7m (A) 31.5 m2 (B) 49.5 m2 (C) 315 m2 (D) 495 m2 5 What is the purpose of Occupational Health and Safety (OHS) control measures? (A) To reduce the number of hazards (B) To reduce the likelihood of an accident occurring (C) To monitor the volume of hazardous materials on the work site (D) To implement appropriate plant and equipment training practices 6 Using the following specifications, calculate the amount of concrete to be ordered. concrete slab dimensions: 6 m 5.5 m concrete slab thickness: 125 mm allow 10% wastage (A) 4.1 m3 (B) 4.2 m3 (C) 4.5 m3 (D) 4.6 m3 3 7 What is the last stage used in the hierarchy of risk control measures? (A) Eliminate the risk (B) Isolating the hazard (C) Introducing engineering controls (D) Use personal protective equipment 8 The graph shows the number and type of workplace injuries on a building site. Workplace Injuries 10 8 Number 6 of injuries 4 d ea H Ey e g ea H cu us M rin la r y or R es pi Sp ra t in al 2 Type of injury What is the likely cause of most injuries on this building site? (A) Inhaled chemical fumes (B) Incorrect manual handling (C) Objects falling from an overhead platform (D) Exposure to noise levels above 100 decibels 9 What does successful teamwork rely upon? (A) The use of time management charts (B) Workers meeting their responsibilities and duties (C) Choosing correct materials for the construction task (D) Having workers with a variety of experiences and cultural backgrounds 4 10 What is the correct base to height ratio when working with a ladder against a wall? (A) 4 : 1 (B) 3 : 1 (C) 1 : 4 (D) 1 : 3 11 What is the primary purpose of using hessian or fabric sheeting on a fence around a building site? (A) To reduce noise (B) To suppress dust (C) To improve appearances (D) To prevent objects falling 12 What information does a quantity surveyor provide in the construction industry? (A) OHS policies (B) Material costings (C) Electrical requirements (D) Structural specifications 13 What does a Safe Work Method Statement list? (A) The steps required to make a project (B) The number of people involved in the project (C) Details of all costs associated in completing a project (D) All tools, resources, safety issues and procedures in a job Please turn over 5 14 What role should the Environmental Protection Authority (EPA) have in the disposal of toxic waste material on a building site? (A) To seal and place the waste in garbage bins (B) To supply contractors to remove the waste from the site (C) To provide requirements for the safe removal of the waste (D) To pay contractors to seal the waste for later removal from the site 15 What three pieces of information are obtained from a floor plan? (A) Roof pitch, door width, and boundary levels (B) Footing size, roof structure, and site orientation (C) Window height, room sizes, and building orientation (D) Location of windows, type of roof, and drawing scale 6 BLANK PAGE 7 BLANK PAGE 8 Board of Studies NSW 2009 2 009 HIGHER SCHOOL CERTIFIC ATE EXAMINATION Construction Centre Number Section II 35 marks Attempt Questions 16 23 Allow about 45 minutes for this section Student Number Answer the questions in the spaces provided. Question 16 (4 marks) (a) Outline the process of grinding and honing a jack plane blade. 2 ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... (b) Describe a technique that can be used to prevent end grain splitting when planing a chamfer on a piece of timber. ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... 334 9 2 Question 17 (3 marks) Outline the strategies used to reduce hazards to the public and workers when setting up pedestrian traffic control on a construction site. 3 ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... Question 18 (3 marks) A worker in an enclosed area of a building site has been affected by chemicals and is found unconscious. Outline the emergency procedure that should be followed. ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... 10 3 Question 19 (4 marks) (a) What is the purpose of an OHS committee on a construction site? 2 ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... (b) What are the responsibilities of both the employer and employee in relation to ultraviolet (UV) radiation on a construction site? ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... 11 2 Question 20 (5 marks) Outline the required maintenance, safe usage and storage for ONE item of plant listed below. Portable air compressor Portable electric generator Concrete drum mixer Plant selected: ............................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... 12 Board of Studies NSW 2009 5 2 009 HIGHER SCHOOL CERTIFIC ATE EXAMINATION Construction Centre Number Section II (continued) Student Number Question 21 (2 marks) Identify the measuring tool shown and outline an application for its use. 2 27 26 25 24 Line of Sight, D Schlyder, General Construction, An Industry Study for Secondary Schools PCS Publications, 2004 ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... 334a 13 Question 22 (10 marks) (a) Complete the table below to calculate the cost of materials required to manufacture a timber picnic table. Part name Qty W T L Total length Cost per metre Table tops 5 140 45 1800 $4.94 Seat tops 4 140 45 1800 $4.94 Legs 4 90 90 900 $12.40 Braces 2 90 45 750 2 Total cost $2.80 Total cost (b) What is a suitable timber that could be used to manufacture the table? Justify your choice. 2 ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... (c) What is a suitable mechanical fastener to assemble the outdoor picnic table components? Justify your choice. ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... Question 22 continues on page 15 14 2 Question 22 (continued) (d) Describe a process of levelling the picnic table prior to fixing it to a concrete slab. 2 ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... (e) The diagram shows the picnic table leg on the concrete slab. Outline an appropriate method of fixing the picnic table to the slab. Table leg Bracket Concrete slab ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... ............................................................................................................................... End of Question 22 15 2 Question 23 (4 marks) Safety signs are a graphic reminder of safety requirements on a construction site. Describe a sign from each of the following categories and provide an application for its use. Prohibition signs Hazard warning signs Emergency information signs ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... ......................................................................................................................................... 16 Board of Studies NSW 2009 4 2 009 HIGHER SCHOOL CERTIFIC ATE EXAMINATION Construction Section III 30 marks Attempt TWO questions from Questions 24 26 Allow about 1 hour for this section Answer each question in a SEPARATE writing booklet. Extra writing booklets are available. In your answers you will be assessed on how well you: demonstrate relevant knowledge and understanding communicate ideas and information, using precise industry terminology and appropriate workplace examples organise information in a well-reasoned and cohesive response solve proposed issues or problems Question 24 (15 marks) Explain how the construction industry responds to changes in the economic climate in Australia. In your answer you may consider: Employers Employees Manufacturers Clients Government Question 25 (15 marks) An evacuation alarm on a large construction site has been sounded, due to an electrical fire. Discuss the procedures that must be followed by management and workers during the emergency, the investigation, and the short-term impact on the work site. Please turn over 335 17 Question 26 (15 marks) You are to plan and organise the preparation of a concrete driveway on the given site. Describe the potential hazards, related risk controls and responsibilities in completing the construction project. 12 500 4000 4500 1500 3000 2500 6500 103.000 Existing Existing Garage 5500 Sewer Main Water supply connection point Proposed concrete driveway 102.500 Kerb 100.700 Road NTS End of paper 18 Board of Studies NSW 2009

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Additional Info : New South Wales Higher School Certificate Construction 2009
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