CISRS Part 1

1. If it is necessary to use a spigot (joint pin) in a ledger, the joint must be?

2. What is the safe working load of a ‘Class A’ right-angle coupler?

3. What is the safe working load of a ‘Class A’ swivel coupler?

4. What is the diameter of a ‘type 4’ scaffolding tube?

5. What is the normal width and thickness of a standard scaffolding board?

6. When sole boards must be used, they must cover what minimum surface area?

7. What is the minimum permitted thickness of a sole board?

8. What are the ideal minimum dimensions of a sole board?

9. What are the minimum permitted dimensions of a sole board?

10. What is the minimum permitted size of a sole board when it sits beneath two standards?

11. What is the minimum permitted size of a sole plate?

12. What is the safe working load of a ‘Class A’ sleeve?

13. Over the total height of the scaffold, standards must be plumb to within what tolerance?

14. When using Sleeve or Tube Lock Connectors to join standards or ledgers, how must they be positioned?

15. What must you do if you wish to leave out ledger bracing on a TG20 compliant scaffold?

16. How often should ledger bracing be installed on a TG20 compliant independent scaffold?

17. How often can you fix ledger bracing where the bay size is less than 1.5m?

18. How often should sway bracing be installed on a TG20 compliant independent scaffold?

19. What is the ideal angle of a sway brace?

20. Bracing should be connected within what distance of a node point on a TG20 compliant independent scaffold?

21. According to TG20, scaffold ties should be installed at what frequency?

22. How would you know if a TG20 compliant independent scaffold required a foot lift?

23. What is the maximum percentage of reveal ties in a TG20 compliant independent scaffold?

24. A light duty tie has a safe working load of?

25. A standard duty ‘Class A’ tie has a safe working load of?

26. A standard duty ‘Class B’ tie has a safe working load of?

27. A heavy duty tie has a safe working load of?

28. What is the minimum permitted width of a platform for personnel only?

29. What is the minimum size opening in a ladder access?

30. What is the minimum width of a platform for personnel and the storage of materials?

31. Fittings should conform to what standard?

32. Boards of what length and under should be secured?

33. Joints in ledgers must be staggered unless?

34. What is the maximum loading on a ladder access bay, built within a TG20 compliant independent scaffold?

35. What is the maximum height of a TG20 compliant tube and fitting staircase?

36. What governs the maximum height of a TG20 compliant free standing tower scaffold?

37. Where normally are the joints in the ledgers permitted to be within a bay?

38. A working platform is 5m high, at what distance from the vertical should the base of the ladder be to achieve the recommended angle/slope?

39. What is the ideal angle of a ladder?

40. What is the ideal slope of a ladder?

41. What is the maximum permitted vertical distance between landing platforms?

42. What is the minimum height of the main guardrail?

43. Where a TG20 compliant independent scaffold is sheeted and over 30m high, and it is exposed to an extreme wind exposure, the joints in the guardrail should be within what distance of the standard?

44. What is the maximum permitted gap between guardrails, or between a guardrail and toe board?

45. What is the minimum permitted height of a toe board?

46. When must guardrails be installed?

47. TG20 provides scaffolders with what?

48. What is the safe working load of a gin wheel?

49. What is the maximum distance you can protected a gin wheel from a scaffold, with an unsupported tube?

50. What is the maximum permitted load that may be raised on a gin wheel?

51. What diameter of rope should be used with a gin wheel?

52. When using a gin wheel and rope, what is the recommended knot for raising and lowering scaffolding boards?

53. When using a gin wheel and rope, what is the recommended knot for raising and lowering scaffold tube?

54. What is the recommend knot for preventing the rope from slipping through the gin wheel?

55. How often should gin wheels be inspected?

56. How often should statutory inspections be carried out on scaffolds?

57. What is the minimum base dimension on a TG20 compliant freestanding tower scaffold?

58. What is the maximum standard spacing on a TG20 compliant freestanding tower scaffold?

59. What is the height to base ratio for a TG20 compliant internal freestanding tower scaffold?

60. Bracing on a TG20 compliant freestanding external tower should be within secured within what distance of the node point?

61. What fitting(s) should be used to connect the end transoms of a TG20 compliant freestanding tower?

62. The joints in the standards of a TG20 compliant freestanding tower should preferably be made where?

63. What is the maximum number of working platforms on a TG20 compliant freestanding tower?

64. At what frequency should plan bracing be installed on a TG20 compliant freestanding scaffold?

65. What are the standard spacings for a TG20 compliant birdcage scaffold?

66. What is the maximum first lift height on a TG20 compliant birdcage scaffold?

67. What is the maximum height of the lifts above the first lift on a TG20 compliant birdcage scaffold?

68. What is the maximum number of working platforms on a TG20 compliant birdcage scaffold?

69. What is the maximum loading on a TG20 compliant load class 1 birdcage scaffold?

70. What is the maximum loading on a TG20 compliant load class 2 birdcage scaffold?

71. What is the maximum loading on a TG20 compliant load class 3 birdcage scaffold?

72. What is the maximum standard spacing on a TG20 compliant general purpose putlog scaffold?

73. What is the maximum loading on a TG20 compliant general purpose putlog scaffold?

74. How many working lifts are permitted on a TG20 compliant general purpose putlog scaffold?

75. What is the maximum permitted height of a TG20 compliant putlog scaffold?

76. What is the recommended number of boards on a TG20 compliant putlog scaffold?

77. According to TG20 what is the maximum width (in boards) for a very light duty independent scaffold?

78. How many working platforms are permitted on a TG20 compliant very light duty independent scaffold?

79. What is the maximum standard spacing on a TG20 compliant very light duty independent scaffold?

80. What is the maximum loading on a TG20 compliant very light duty independent scaffold?

81. According to TG20 what is the maximum width (in boards) for a light duty independent scaffold?

82. How many working platforms are permitted on a TG20 compliant light duty independent scaffold?

83. What is the maximum standard spacing on a TG20 compliant light duty independent scaffold?

84. What is the maximum loading on a TG20 compliant light duty independent scaffold?

85. According to TG20 what is the maximum width (in boards) for a general purpose independent scaffold?

86. What is the maximum loading on a TG20 compliant general purpose independent scaffold?

87. What is the maximum standard spacing on a TG20 compliant general purpose independent scaffold?

88. How many working platforms are permitted on a TG20 compliant general purpose independent scaffold?

89. According to TG20 what is the maximum width (in boards) for a heavy duty independent scaffold?

90. How many working platforms are permitted on a TG20 compliant heavy duty independent scaffold?

91. What is the maximum standard spacing on a TG20 compliant heavy duty independent scaffold?

92. According to TG20 what is the maximum height of an internal birdcage scaffold?

93. What is the maximum height of a TG20 compliant internal freestanding tower, if the dimensions are 2.4m x 2m?

94. What is the maximum height of a TG20 compliant external freestanding tower scaffold if the base dimensions are 2.4m x 2m?

95. What is the maximum loading on a TG20 compliant freestanding heavy duty tower scaffold?

96. What is the maximum uniformly distributed load on a TG20 compliant light duty independent scaffold?

97. What is the maximum uniformly distributed load on a TG20 compliant general purpose independent scaffold?

98. What is the maximum uniformly distributed load on a TG20 compliant heavy duty independent scaffold?

99. Which of the following are types of scaffolding tie?

100. According to SG4, how many boards should a Scaffolder work from when erecting and dismantling a scaffold?

101. When a scaffold is being erected, adapted or dismantled, or it is not fit for purpose, what action should be taken?

102. According to TG20, what is the recommended tie for a putlog scaffold?

103. What is the safe working load of a ‘Class B’ sleeve?

104. According to the NASC guidance document, TG4, what percentage of ties should be proof tested, as a minimum?

105. According to TG20, What is the maximum loading on the inside boards of an independent scaffold?

106. According to TG20, how far past the landing point should a ladder extend?

107. Which NASC document give guidance on preventing falls in scaffolding operations?

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