C. 7. Protection In Workings Flashcards
What shall prevent any person from entering any vertical or steeply inclined shaft, winze, sump, rockpass or other dangerous excavation?
7.3.2 Every entrance to every vertical or steeply inclined shaft, winze, sump, rockpass or other dangerous excavation shall be kept properly closed by a fence, barrier, door or gate, or shall be kept adequately covered, so as to prevent persons having unintentional access to, or accidentally slipping or falling into, such excavation.
Who shall be in attendance at all times at the bottom of every shaft in the course of being sunk?
7.2.1 At the bottom of every shaft in the course of being sunk there shall be present at all times a competent person when workmen are present thereat.
When may any person cross or open any fence, barrier, gate, wall, door or cover provided for protection in the workings?
- 3.3 No person other than the manager, mine overseer or shift boss shall cross or open any fence, barrier, gate, wall, door or cover provided for protection in workings until he has received definite instructions or permission to do so from the ganger or miner or other responsible person in charge.
- 3.4 The ganger or miner or other responsible person in charge shall not cross or open, or cause or permit any other person to cross or open, any fence, barrier, gate, wall, door or cover provided for protection in workings except for the purpose of conducting repairs or other necessary operations and then only if effective precautions for the safety of persons are taken.
Fill in the missing words:
If the _____, ______ or _____ in the workings of any mine or part of a mine are in the opinion of the Principal Inspector of Mines of a nature requiring systematic support he may give notice to that effect to the _______ who shall, after consultation with any regional mining engineer (mining), specify the support to the provided and the system according to which it shall be placed.
7.4.1 If the roof, hanging or sidewalls in the workings of any mine or part of a mine are in the opinion of the Principal Inspector of Mines of a nature requiring systematic support he may give notice to that effect to the manager who shall, after consultation with any regional mining engineer (mining), specify the support to the provided and the system according to which it shall be placed.
Who shall make persons aware of such supports system?
- 4.2 The manager shall ensure that all persons concerned are made aware of such system and that notices setting out its specifications are posted up at suitable places where they can conveniently be read.
- 4.3 Any person who fails to comply with the specifications of such system shall be guilty of an offence.
With what methods shall the PIM give notice in writing to the manager with regards to supports?
7.4.4 If, in the opinion of the Principal Inspector of Mines, the method of supporting the roof, hanging and sidewalls in the workings of any mine or part of a mine is unsafe either by reason of the distances between supports being excessive or for any other reason, he may by notice in writing require the manager to modify the method.
What shall not be placed or allowed to remain where they accidentally can fall or be caused to fall down any vertical or steely inclined excavation and thereby endanger the safety of persons?
7.5.1 No timber, rock tools or other articles shall be placed or allowed to remain where they accidentally can fall or be caused to fall down any vertical or steely inclined excavation and thereby endanger the safety of persons.
What shall not be permitted to be carried on a ladderway?
7.5.2 No person shall carry or be permitted to carry any drill, tool or any loose material on a ladderway in a vertical or steeply inclined shaft or winze except so far as may be necessary in executing repairs.
Fill in the missing words:
7.5.3 Every opening from a vertical or steeply inclined excavation into a travelling way or working place situated on the lower or dip side of such excavation shall be kept ________ so that persons travelling or working below or near such opening are effectively protected against danger from the falling or rolling of _____, ______, ______ or __________.
7.5.3 Every opening from a vertical or steeply inclined excavation into a travelling way or working place situated on the lower or dip side of such excavation shall be kept barricaded so that persons travelling or working below or near such opening are effectively protected against danger from the falling or rolling of timber, stones, tools or other articles.
What shall be examined at least once a week and maintained in a safe condition and adequately loaded?
7.6 Every stull in or above every place where any person works or travels shall be examined at least once a week and maintained in a safe condition and adequately loaded.
When shall a person where a hard hat?
- 7.1 No person shall enter or remain in, or cause or permit any other person to enter or remain in, the underground workings of a mine unless he or such other persons wears a hard hat in good condition and of a type approved by the Chief Inspector.
- 7.2 In opencast workings no person shall enter or remain at or near, or cause or permit any other person to enter or remain at or near, any vertical or steeply inclined face or sidewall which exceeds a vertical height of three metres unless he or such other person wears a hard hat in good condition and of a type approved by the Chief Inspector.
- 7.3 The hard hat required in terms of regulations 7.7.1 and 7.7.2 shall be provided free of charge by the manager.
When must a person use a lifeline?
7.8.1 No person shall work, or cause or permit any other person to work in or near any part of the workings of a mine where inadvertent slipping or overbalancing may result in his sliding or falling down any slope that has an inclination from the horizontal of 45 degrees or more, or in his falling vertically, unless he is secured by a lifeline or otherwise safeguarded.
When shall lifelines not be compulsory?
- 8.2 The use of lifelines in terms of regulation 7.8.1 shall not be compulsory in the case of persons who are engaged in installing or repairing equipment in a vertical shaft or in a vertical winze provided the manager or mine overseer has given permission thereto after having satisfied himself that-
(a) the use of lifelines by the persons concerned would impede such persons in the safe performance of such work;
(b) such persons have had the training and experience necessary to carry out such work safely; and
(c) any such person when engaged in such work and not secured by a lifeline is under the immediate supervision of a competent person.
When can any person enter any accumulation of water in the workings of a mine?
7.8.3 No person shall enter, or cause or permit any other person to enter, any accumulation of water in the workings of a mine, other than an accumulation known to be significant, unless he or such other person is secured by a lifeline or wears a live-belt or life-jacket.
What does the regulation stipulate about the digging of trenches, pits or excavations in sand, soil, gravel, clay, tailings, slimes, ash, debris or similar ground or deposit?
- 9.1 In open face working and when digging trenches, pits or excavations in sand, soil, gravel, clay, tailings, slimes, ash, debris or similar ground or deposit and when removing any such ground or deposit from any dump, dam or heap-
(a) no person shall undercut the face or sidewall or any portion of a dump, dam or heap consisting of such ground or deposit unless permitted by the Principal Inspector of Mines and under such conditions as he may prescribe; and
(b) except as permitted in regulation 7.9.1 (a), the face or sidewall above the level where persons may work or travel shall be slopped or terraced back at a safe angle or adequately supported where the vertical height of such face or sidewall is-
(i) three metres or more; or
(ii) less than three metres but more than 1,5 metres if the width of the adjacent working or travelling space is less than the vertical height of the face or sidewall.
