C. 16. Shafts Flashcards

Question 1

Q

How shall the winding engine be regarding the MHSA regulations?

Answer

A

5 The winding engine shall be such that –
5.1 When running at various speeds with light or heavy loads it can be readily slowed and stopped and after being stopped it can be restarted immediately in either direction; and
5.2 it can lift from the bottom to the top of the shaft or winze the maximum unbalanced load on one drum. This provision shall not apply where other means exist enabling persons employed below to reach the top of the shaft or winze.

Question 2

Q

What does the regulations stipulate about the conveyance of persons in shafts and winzes?

Answer

A

1 No person shall ride or cause or permit somebody to ride in or on a conveyance operated by a winding plant, unless it is permitted by a prescribed permit or by regulation 16.94
2.1 Except as provided for in regulation 16.94, the manager of a mine shall not use a winding plant nor permit a winding plant to be used unless he is in possession of a prescribed permit issued by a Principal Inspector of Mines.
2.2 Every application for the use of a winding plant shall be made to the Principal Inspector of Mines on the form obtainable from him.
2.3 The Principle Inspector of Mines may grant a permit to use such winding plant subject to conditions as he may specify.
2.5 The permit shall be kept at the mine office and a legible copy thereof shall be displayed in a suitable glazed frame in the engine room.
2.7 The regional director may direct that any regulation contained in Chapter 17 of these regulations shall apply to an automatic or semi-automatic winding plant by giving written notice to that effect to the manager, with specific reference to the regulation concerned, whereafter such regulation shall apply to such winding plant.
3 The Principal Inspector of Mines may carry out specific or periodic tests or inspections of any winding plant.

Question 3

Q

What does the regulation stipulate about the brake or brakes of a drum type of winding engine?

Answer

A

6.2 For drum type of winding engines where the rope is securely attached to the winding drum, the brake or brakes, without the assistance of any counter balancing effect of any load supported by the other drum, shall be capable of holding without slipping a load on the rope at the drum equivalent to the combined mass of-
(a) the conveyance and its attachments;

(b) the maximum permitted mass of mineral, or double the maximum permitted mass of persons, or the maximum permitted mass of material together with double the maximum permitted mass of persons when both material and persons are conveyed simultaneously, whichever is the greatest; and
(c) the mass of rope between the sheave and the conveyance, when the conveyance is at a point in the shaft which produces the maximum static torque on the brakes.

Question 4

Q

What does the regulation stipulate about the brake or brakes of a friction drive or sheave type winding engine?

Answer

A

6.3 For a friction drive or sheave type winding engine where the rope or ropes are not securely attached to the winding drum or winding sheave, the brake or brakes shall be capable of holding without slipping the maximum static out-of-balance load which occurs when one of the conveyances, or where a counterpoise is used the conveyance-
(a) is loaded with the permitted mass of mineral; or
(b) is loaded with double the permitted mass of persons; or
(c) is loaded with double the permitted mass of material together with double the mass of the permitted number of persons with both material and persons are conveyed simultaneously; or
(d) is removed from its bridle.

Question 5

Q

What do the regulation say about the winding drum?

Answer

A

6.4 Every winding drum shall have flanges or horns, and if conical or spiral, such other appliances to prevent the rope from slipping off or coiling unevenly.
6.5 Except for friction drive or sheave type of winding engines, there shall not be less than 3 turns of rope upon the drum when the cage, skip or other means of conveyance is at the lowest point in the shaft or winze from which hoisting is effected and the end of the rope where applicable shall be fastened securely round the arm or the shaft of the drum.
6.6 For friction drive or sheave type of winding engines where no part of the rope is securely attached to the winding drum or sheave, there shall be no dangerous slipping of the rope on such drum or sheave under any possible working conditions.
6.7 Every winding drum at the driver’s right hand side shall have overlay rope; where only one drum is used it shall have overlay rope.
6.13 All bolts and other fittings of winding drums, brakes and clutches shall be rendered secure by means of suitable locking devices.

Question 6

Q

What provisions need to be made for the WED in the design of a winding engine?

Answer

A

6.7 Every winding drum at the driver’s right hand side shall have overlay rope; where only one drum is used it shall have overlay rope.
6.8 The reversing lever of every steam or air operated winding engine and the control lever of every electrically operated winding engine shall follow the overlay rope in the direction of the movement.
6.9 Where a hand-operated brake lever is provided on any winding engine it shall be pulled towards the driver to apply the brakes.
6.10 The relief and throttle valve levers of every steam or air operated winding engine shall be in a central position.
6.11 The operating mechanism of the clutch of every winding drum shall be provided with a locking arrangement which shall be used to prevent inadvertent withdrawel of the clutch. If the clutch is not clearly visible from the driver’s operating position, means shall be provided to indicate the driver at all times the extent to which the clutch is engaged or disengaged.
7 In addition to any marks on the rope, every winding engine shall be provided with reliable depth indicators conveniently situated, which will at all times show clearly and accurately to the winding engine driver at his operating position the position of the cage, skip or other means of conveyance and where a reduction in winding speed is necessary. The pointer of the dial indicator on the driver’s right hand side shall move in a clockwise direction when lowering, and the pointer of a post and spiral indicator shall move up or down as the conveyance moves up or down. On every winding engine where the rope is driven by friction, every single-drum winding engine and every winding engine having 2 drums permanently fixed on one shaft, only one indicator need to be provided.
8 Where the length of wind below the uppermost landing place for persons exceeds 100 meters, adequate provision shall be made whereby the winding engine driver is warned of the arrival of the ascending cage, skip or other means of conveyance at a point in the shaft, the distance of which from the uppermost landing place for persons is not less than the equivalent of 3 revolutions of the drum or sheave of the winding engine: Provided that in the case of a single drum winder a similar device shall be fitted to warn the winding-engine driver of the approach of the descending conveyance to the lowest landing place for persons.
9.2.2 The device or combination of devices contemplated in regulation 16.9.2.1 must on detecting a slack rope condition either automatically halt all winding operations in the vertical shaft safely or warn all winding engine drivers in such shaft of the slack rope condition.
10 Any winding engine with a permitted speed of over five metres per second shall be fitted with a speed indicator and a tachograph, which shall be used and maintained in efficient working order. The speed indicator shall be so situated that the winding speed can be easily read at all times by the winding-engine driver from his operating position.

Question 7

Q

What does the regulation stipulate about the clutch of a winding drum?

Answer

A

6.11 The operating mechanism of the clutch of every winding drum shall be provided with a locking arrangement which shall be used to prevent inadvertent withdrawel of the clutch. If the clutch is not clearly visible from the driver’s operating position, means shall be provided to indicate the driver at all times the extent to which the clutch is engaged or disengaged.
6.12 It shall be impossible to unclutch any winding drum unless the brake or brakes of such drum are fully applied and it shall be impossible to release the brake or brakes of such drum until the clutch is fully engaged and securely locked.

Question 8

Q

What prevention devices need to be fitted to a winding engine?

Answer

A

16.9 Every winding engine shall be fitted with at least one effective automatic overwind prevention device as well as an effective automatic overspeed prevention device.

Question 9

Q

Complete the sentence:
16.6.6 For friction drive or sheave type of winding engines where no part of the rope is securely attached to the winding drum or sheave, there shall be

Answer

A

no dangerous slipping of the rope on such drum or sheave under any possible working conditions.

Question 10

Q

What does the law stipulate regarding slack rope on a winding plant?

Answer

A

9.2.1 The employer must install a device or combination of devices that detect slack rope on every winding plant in which the rope is attached to the drum operating in a vertical shaft, excluding a shaft in the course of being sunk.
9.2.2 The device or combination of devices contemplated in regulation 16.9.2.1 must on detecting a slack rope condition either automatically halt all winding operations in the vertical shaft safely or warn all winding engine drivers in such shaft of the slack rope condition.
9.2.3 The employer must establish an effective and safe procedure for rectifying any slack rope conditions.
9.2.4 All winding operations in the vertical shaft must cease when a slack rope condition occurs, except such operations necessary for rectifying the slack rope condition authorised by the engineer or person appointed in terms of regulation 2.13.2.
9.2.5 No winding operations may resume, except operations permissible in terms of regulation 16.9.2.4, until the slack rope condition has been rectified.

Question 11

Q

When and what device or combination of devices need the employer installed on a winding plant?

Answer

A

16.9.2.1 The employer must install a device or combination of devices that detect slack rope on every winding plant in which the rope is attached to the drum operating in a vertical shaft, excluding a shaft in the course of being sunk.

Question 12

Q

Fill in the missing words:
16.7 In addition to any marks on the rope, every winding engine shall be provided with reliable ________________ conveniently situated, which will at all times show clearly and accurately to the winding engine driver at his operating position the position of the ______, _________ or _______________ and where a reduction in winding speed is necessary. The pointer of the dial indicator on the driver’s right hand side shall move in a _________ direction when lowering, and the pointer of a _______ and ________ shall move up or down as the conveyance moves up or down. On every winding engine where the rope is driven by friction, every single-drum winding engine and every winding engine having 2 drums permanently fixed on one shaft, only ________ indicator need to be provided.

Answer

A

depth indicators 
cage,
skip
other means conveyance
clockwise
post 
spiral indicator 
one

Question 13

Q

With what shall any winding engine be fitted if permitted to wind over five metres per second?

Answer

A

shall be fitted with a speed indicator and a tachograph, which shall be used and maintained in efficient working order. The speed indicator shall be so situated that the winding speed can be easily read at all times by the winding-engine driver from his operating position.

Question 14

Q

What does the regulation say about the construction of winding plant conveyances?

Answer

A

11 Every cage used for the regular conveyance of persons shall be of substantial construction and shall be provided with a proper roof or cover and doors. The cage shall be enclosed in such a manner as to prevent any portion of the body of any person therein from accidentally coming into contact with the timbering or other equipment in the shaft or winze or the sides of the shaft or winze. The doors shall be securely attached to the cage and so arranged that they cannot be opened outwards or accidentally. Provision shall be made for adequate ventilation through the cage.
12 Every skip or kibble, used for the regular conveyance of persons in a vertical or steeply inclined shaft or winze shall be provided with a substantial roof or cover that will safeguard the occupants.
13 Every conveyance used for examining, repairing or doing other work in a vertical or steeply inclined shaft or winze shall be provided with a substantial roof or cover and shall be sufficiently enclosed to protect any person from accidentally falling out.
14 Where the roof or cover of a cage, skip or any other means of conveyance is used as a platform for persons engaged in examining, repairing or doing other work in a vertical or steeply inclined shaft or winze, the persons so engaged shall be protected by a hood or cover immediately above them. Such hood or cover shall be removed as soon as this work is completed.

15 No trailer-
(a) shall be used in a shaft or winze where persons are regularly conveyed;
(b) shall be attached to a conveyance when such conveyance is used for the transportation of persons; and
(c) shall be used for the regular transport of persons;

        Unless it is allowed by the permit referred to in section 33(1) of the Act: Provided that for the purpose of this regulation, “trailer” shall mean any conveyance operated by a winding engine and which is attached to but not forming an integral part of the permanent conveyance, and of which the lateral movement is restrained by means of guide shoes or wheels running in or on guides or tracks.

Question 15

Q

When may a “trailer” not be used in a shaft or winze?

Answer

A

15 No trailer-
(a) shall be used in a shaft or winze where persons are regularly conveyed;
(b) shall be attached to a conveyance when such conveyance is used for the transportation of persons; and
(c) shall be used for the regular transport of persons;
```
        Unless it is allowed by the permit referred to in section 33(1) of the Act
```

Question 16

Q

What does the regulation say about the construction of a cage used for the regular conveyance of persons?

Answer

A

16.11 Every cage used for the regular conveyance of persons shall be of substantial construction and shall be provided with a proper roof or cover and doors. The cage shall be enclosed in such a manner as to prevent any portion of the body of any person therein from accidentally coming into contact with the timbering or other equipment in the shaft or winze or the sides of the shaft or winze. The doors shall be securely attached to the cage and so arranged that they cannot be opened outwards or accidentally. Provision shall be made for adequate ventilation through the cage.

Question 17

Q

16.14 Where the roof or cover of a cage, skip or any other means of conveyance is used as a platform for persons engaged in examining, repairing or doing other work in a vertical or steeply inclined shaft or winze, the persons so engaged shall be protected by a hood or cover immediately above them. When shall such a hood or cover be removed?

Answer

A

Such hood or cover shall be removed as soon as this work is completed.

Question 18

Q

What is the definition of a “trailer”?

Answer

A

“trailer” shall mean any conveyance operated by a winding engine and which is attached to but not forming an integral part of the permanent conveyance, and of which the lateral movement is restrained by means of guide shoes or wheels running in or on guides or tracks.

Question 19

Q

Complete the sentence?
16.12 Every skip or kibble, used for the regular conveyance of persons in a vertical or steeply inclined shaft or winze shall be provided with a ____

Answer

A

substantial roof or cover that will safeguard the occupants.

Question 20

Q

Complete the sentence:
16.13 Every conveyance used for examining, repairing or doing other work in a vertical or steeply inclined shaft or winze shall be provided with a

Answer

A

substantial roof or cover and shall be sufficiently enclosed to protect any person from accidentally falling out.

Question 21

Q

What does the regulation require regarding the connections to winding plant conveyances?

Answer

A

16 No rope, bar, link, chain or other connection shall be used for winding purposes unless it is of good quality and manufacture, free from any visible defect and of adequate calculated strength.
17 The connection between-
(a) any winding rope and the cage, skip, bucket, kibble, other means of conveyance or counterpoise;
(b) any balance rope or tail rope and the conveyance or counterpoise; and
(c) any connecting rope and the conveyance and any trailer or other attached conveyance
```
        shall be such that no accidental disconnection can take place.
```
18 At intervals of not more than 6 months the connections between-
(a) any winding rope and the conveyance or counterpoise;
(b) the conveyance and any trailer or other attached conveyance; and
(c) any balance rope or tail rope and the conveyance or counterpoise, shall be annealed or given other proper heat treatment or shall be discarded and replaced. With connections of a class of steel approved by the Chief Inspector, the interval for heat treatment may be extended with the written permission of the Chief Inspector.
19 A proper record shall be kept of the heat treatment and working life of the connections referred to in regulation 16.18 and an engineer shall add to the record the report on the method procedure followed in such treatment and his comments on the results. All such connections and their component parts shall be marked clearly for the purpose of identification.

Question 22

Q

Where can accidental disconnection take place on a winder plant conveyance?

Answer

A

17 The connection between-
(a) any winding rope and the cage, skip, bucket, kibble, other means of conveyance or counterpoise;
(b) any balance rope or tail rope and the conveyance or counterpoise; and
(c) any connecting rope and the conveyance and any trailer or other attached conveyance
```
        shall be such that no accidental disconnection can take place.
```

Question 23

Q

What needs to be checked on the connections of a conveyance at intervals of not more than 6 months?

Answer

A

18 At intervals of not more than 6 months the connections between-
(a) any winding rope and the conveyance or counterpoise;
(b) the conveyance and any trailer or other attached conveyance; and
(c) any balance rope or tail rope and the conveyance or counterpoise, shall be annealed or given other proper heat treatment or shall be discarded and replaced. With connections of a class of steel approved by the Chief Inspector, the interval for heat treatment may be extended with the written permission of the Chief Inspector.
19 A proper record shall be kept of the heat treatment and working life of the connections referred to in regulation 16.18 and an engineer shall add to the record the report on the method procedure followed in such treatment and his comments on the results. All such connections and their component parts shall be marked clearly for the purpose of identification.

Question 24

Q

What does the regulations stipulate about winding ropes?

Answer

A

20.1 Any winding rope must be manufactured by a manufacturer accredited in terms of ISO 9001: “Quality systems-Model for quality assurance in design, development, production, installation and servicing”.
20.2 The diameter and construction of the winding rope must be suited to the diameter of the sheaves and drums forming part of the winding plant.
21 A winding rope which has been joined or reinforced in any manner may not be used as part of a winding plant without the written permission of the Principal Inspector of Mines.
23.1 Any winding rope, balance rope or guide rope which as previously been in use may not be re-used unless the breaking strength of specimen cut from the end of such rope has been determined by a destructive test at an approved rope testing station to comply with these regulations.
23.2 Any winding rope, balance rope or guide rope which as previously been in use may not be re-used unless the engineer is in possession of the documented history of the working life of the rope.
24 For every winding plant in use there must be in reserve and ready for use at all times a spare winding rope that complies with these regulations. One such spare rope may be kept in reserve for more than one winding plant if that rope is suitable for use on such other winding plants.
25 No winding rope, balance rope or guide rope may be installed unless the manager is in possession of a certificate not older than two years confirming that the breaking strength, as determined by a destructive test at an approved rope testing station, complies with these regulations.
27.1 Any newly installed winding rope, balance rope or guide rope and the rope connections of any such rope must be carefully examined by the engineer and may not be used for the raising or lowering of persons until the conveyance loaded with the maximum permitted mass has been run two complete test trips between the highest and lowest stopping places ordinarily in use.
27.2 The engineer, in addition to recording the results in terms of regulation 16.79, must record and sign the results of the examination in terms of regulation 16.27.1 immediately in the Driver’s Log Book provided in terms of regulation 16.81.
28.1 When any winding rope, balance rope or guide rope is installed, the particulars specified in paragraphs (a) and (b) of regulation 16.79.2 must be submitted to the Principle Inspector of Mines.
28.2 When any winding rope in use is replaced, the reasons for discard, the life in terms of winding cycles, the time in use and such other particulars regarding that winding rope as the Principal Inspector of Mines may require must be submitted to the Principal Inspector of Mines.

Question 25

Q

Define “approved rope testing station”

Answer

A

“approved rope testing station” means a testing station approved by the Chief Inspector of Mines for the destructive testing of ropes used in a winding plant;

Question 26

Q

Define “attached load”

Answer

A

“attached load” means everything suspended from or attached to the winding rope and includes the portion of any balance rope and one half of any tail carriage and one half of any sheave which contributes to load at the termination of the winding rope;

Question 27

Q

Define “attachments”

Answer

A

“attachments” include everything suspended from or attached to the conveyance other than the winding rope and includes any balance rope;

Question 28

Q

Define “balance rope”

Answer

A

“balance rope” includes tail rope, balance rope or balance chain;

Question 29

Q

Define “effective length of rope”

Answer

A

“effective length of rope” means the length of winding rope between the centre of sheave or drum in the headgear and the lowest working point of the conveyance;

Question 30

Q

Define “initial breaking strength”

Answer

A

“initial breaking strength” means the breaking strength of the rope determined by the destructive testing of a sample immediately after the manufacture of the rope;

Question 31

Q

Define “nominal rope diameter”

Answer

A

“nominal rope diameter” means the rope diameter specified by the manufacturer;

Question 32

Q

Define “suspended load”

Answer

A

“suspended load” means the sum of the attached load and the mass of the effective length of rope;

Question 33

Q

Define “winding cycle”

Answer

A

“winding cycle” means a full or partial return trip starting with a conveyance at the bank level and ending with the same conveyance returning to the bank level.

Question 34

Q

Complete the sentence:

16.32.1 Where a conveyance is suspended by two or more winding ropes, such ropes must be of _______

Answer

A

equal nominal rope diameter and approximate strength.

Question 35

Q

What does the regulation say about the tension of winding ropes where a conveyance is suspended by 2 or more ropes?

Answer

A

32.1 Where a conveyance is suspended by two or more winding ropes, such ropes must be of equal nominal rope diameter and approximate strength.
32.2 Arrangements must be made to equalise the tension in the ropes referred to in regulation 16.32.1
32.3 In calculating rope selection factors for purposes of regulation 16.32.1, each winding rope must be assumed to carry an equal share of the attached load.

Question 36

Q

What are the SABS number for Condition Assessment of Steel Wire Ropes on Mine Winders?

Answer

A

16.33 The condition of a winding rope or balance rope must be assessed in accordance with the South African Bureau of Standards Code of Practice for the Condition Assessment of Steel Wire Ropes on Mine Winders, SABS 0293, as amended, and the rope may not be used if the condition thus assessed at that point in the rope has reached discard criteria.

Question 37

Q

What must the breaking strength at installation be for a winding rope used in a vertical shaft?

Answer

A

34.1 Where a winding system operating in a vertical shaft and not using a balance rope is such that it allows for the periodic testing of the winding rope as required by regulation 16.41.1, the winding rope must have a breaking strength at installation of not less than-
(a) eight times the attached load; and
(b) four and a half times the suspended load.
34.2 Despite the provisions of regulations 16.34.1 and 16.37, where a winding system operating in a vertical shaft and not using a balance rope-
(a) allows for the periodic testing of the winding rope as required by regulation 16.41.1.1; and
(b) complies with the South African Bureau of Standards code of Practice for Performance, Operation, Testing and Maintenance of Drum Winders relating to Rope Safety, SABS 0294 as amended,
```
        the winding rope must have a breaking strength at installation of not less than 25000/(4000+L) times the suspended load where L is equal to the effective length of the winding rope in metres.
```

Question 38

Q

What must the breaking strength be for winding ropes used in an incline shaft?

Answer

A

34.3 Where a winding plant operating in an incline shaft allows for the testing of the winding rope as required by regulation 16.41.1.1, the winding rope must have a breaking strength of not less than-
(a) ten times the incline component of the attached load; and
(b) five times the incline component of the suspended load.

Question 39

Q

What must the breaking strength be for winding ropes of a winding plant using a balance rope or ropes and does not allow for the periodic testing of the winding ropes?

Answer

A

35 Where a winding plant using a balance rope or ropes does not allow for the periodic testing of the winding rope or ropes as required by regulation 16.41.1.1, the breaking strength of the rope must not be less than 8.1 times the suspended load, provided that this factor may be reduced by 0.00135 for every metre of the effective length of rope, but the factor must not be less than –
(a) 6.75 where the conveyance is suspended by a single winding rope; or
(b) 6.19 where the conveyance is suspended by 2 or 3 winding ropes; or
(9) 5.62 where the conveyance is suspended by 4 or more winding ropes.

Question 40

Q

Complete the sentence:
16.37 Where a winding system operating in a vertical shaft and not using a balance rope allows for the periodic testing of the winding ropes as required by regulation 16.41.1.1 and each conveyance is suspended by two or more winding ropes in conjunction with a rope-tension compensating system which is constructed in such a way that the failure of one rope will not result in a momentary lowering of the force acting in any other rope, the breaking strength of the winding ropes at installation must be _________

Answer

A

as specified in regulation 16.34.1(a) or 0.95 times that specified in regulation 16.34.1(b), whichever is the greater.

Question 41

Q

What must the breaking strength be for a balance rope?

Answer

A

16.39 A balance rope must not be used if its breaking strength at installation is less than five times the combined weight of the balance rope and one half of any tail carriage and sheave.

Question 42

Q

What must the breaking strength be for a guide rope?

Answer

A

16.40.1 The breaking strength of a guide rope used in a winding system must not be less than five times the combined weight of the rope and its tensioning weight.

Question 43

Q

What must the breaking strength be for a rope used to raise or lower a stage in a shaft at installation?

Answer

A

16.40.2 Any rope which is used to raise or lower a stage in a shaft must have a breaking strength at installation of not less than 4,5 times the combined weight of the effective length of rope and its share of the attached load.

Question 44

Q

What test must be done on a 6 monthly interval on winding ropes?

Answer

A

41.1.1 A sample of every winding rope in use must be cut from the end attached to the conveyance or counterweight at intervals not exceeding six months unless the winding system does not allow shortening of the winding rope. The length of the sample must be as specified by an approved rope testing station.
41.2 The manager must send the sample of the rope cut off in terms of regulation 16.41.1.1 within two weeks to an approved rope testing station where the actual breaking strength and general condition must be determined.
41.3 The approved rope testing station must provide the manager with a certificate showing the results of the test performed in terms of regulations 16.41.2.
41.4 If the sample of the winding rope received at the approved rope testing station is in a condition not permitting a satisfactory test, the manager must upon request of the approved rope testing station provide a new sample.

Question 45

Q

What ropes must be re-terminated at intervals not exceeding 3 months?

Answer

A

16.41.1.2 Where winding ropes are connected to a compensating sheave on the conveyance or counterweight, that part of the ropes that is in contact with the sheave must be cut off and the ropes re-terminated at intervals not exceeding 3 months.

Question 46

Q

Complete the sentence:
16.42.1 every shaft in which winding is carried on, other than a shaft in the course of being sunk, shall be provided with some efficient signalling arrangement in respect of each winding plant for interchanging distinct and definite signals between-____________

Answer

A

(a) the winding-engine driver and the bank; and
(b) the winding-engine driver and every established point below the bank from which winding is carried on.

            Where persons are regularly conveyed in such shaft and the signalling arrangements are operated by electricity, the provisions of regulation 16.43 shall be complied with;

Question 47

Q

Fill in the missing words;
16.42.2 every shaft where persons travel on or in the conveyance while carrying out any examination, repair or work shall be provided with some ___________, approved by the ___________________, whereby persons doing such examination or work can signal effectively from any depth in the shaft to the ______________________,

Answer

A

efficient means
Principal Inspector of Mines
winding-engine driver,

Question 48

Q

Complete the sentence:
16.42.3 every inclined shaft in the course of being sunk shall be provided with some efficient signalling arrangement in respect of each winding plant for interchanging distinct and definite signals between-______________

Answer

A

(a) the winding-engine driver and the bank; and
(b) the winding-engine driver and every established intermediate landing station below the bank; and
(c) the winding-engine driver and a point not more than 40 metres from the bottom of the shaft. When this point is more than 15 metres from the bottom of the shaft, some efficient signalling arrangements shall also be provided and used for signalling from the bottom of the shaft to this point; and

Question 49

Q

Fill in the missing words:
16.42.4 Every vertical shaft in the course of being sunk shall be provided with _____ separate means for each winding plant whereby persons employed in the sinking process can signal effectively from the bottom of the shaft and from any depth in the shaft to the winding-engine driver and there shall also be provided in respect of each winding plant an efficient signalling arrangement for the interchanging distinct and definite signals between the winding-engine driver and the bank and between the winding-engine driver and every established intermediate landing station below the bank.

Question 50

Q

What does the regulations stipulate about signaling arrangements operated by electricity?

Answer

A

43 At every shaft and winze, other than a shaft or winze in the course of being sunk, where persons are regularly conveyed and where the signalling arrangements are operated by electricity, the following provisions, except as is provided for in 16.44, shall be observed in respect of each winding plant used for the raising or lowering of persons-
43.1 There shall be provided and maintained in good working order 2 separate, independent, and efficient signalling arrangements, hereinafter referred to as the locked-bell system and the call-bell system, which shall be used for transmitting signals.
43.2 The locked-bell system shall be for the interchange of signals between-
(a) the winding-engine driver and the bank; and
(b) the winding-engine driver and every established point below the bank from which winding is normally carried on, but it shall not enable the banksman to signal on this system to anyone but the winding-engine driver.
43.3 The system shall be arranged so that the winding-engine driver can easily distinguish between signals received from the bank and signals received from below the bank.
43.4 The system shall further be arranged and maintained so as to prevent as far as possible signals being given by unauthorised persons. The signal operating mechanism at the bank and at all points below the bank shall be securely enclosed in a metal casing of substantial construction and shall be kept locked when not in actual use. The key shall be removable and when not required shall be removed and retained by the banksman, onsetter or other authorised person: Provided that other locking arrangements may be used if approved by the Principal Inspector of Mines.
43.5 There shall be in use a device which automatically prevents the conveyance or conveyances being raised or lowered after the winding-engine driver has given a signal on the circuit of the locked-bell system provided for interchanging signals with the bank or on the circuit of the locked-bell system provided for, interchanging signals with the established points below the bank from which winding is normally carried on, until he has received a signal on each of the circuits on which he gave a signal.
43.6 the call-bell system shall enable signals to be transmitted-
(a) to the winding-engine driver from the bank; and
(b) to the winding-engine driver from every established point below the bank from which winding is normally carried on, and shall also enable signals to be interchanged between the bank and every established point below the bank from which winding is normally carried on, but it shall not enable the winding-engine driver to transmit signals on this system.
43.7 the signal operating mechanism of the call-bell system shall be accessible to any person to transmit the signals “10 followed by a station signal” and “one long ring” referred to in regulation 16.45, but it shall not be used for any other purpose: Provided that the banksman or onsetter or any person duly authorised by the manager may use the system to indicate the station at which the conveyance is required and subject to the approval of the regional director to transmit special signals.
43.8 The tone of the bells of the call-bell system shall be such as to be easily distinguishable from that of the bells of the locked-bell system.
43.9 In a shaft or winze where efficient telephonic intercommunication is provided between the bank and every established landing station for person below the bank, it shall be necessary to provide only one call-bell system in respect of all the winding plants serving such shaft or winze.
44 Signalling arrangements other than those required by regulation 16.43 may be used with the written approval of the Principal Inspector of Mines.

Question 51

Q

What 2 seperate, independant, and efficient signalling arrangements shall be provided for winding plants?

Answer

A

locked-bell system and the call-bell system, which shall be used for transmitting signals.

Question 52

Q

How shall the locked-bell system of a winding plant work?

Answer

A

43.2 The locked-bell system shall be for the interchange of signals between-
(a) the winding-engine driver and the bank; and
(b) the winding-engine driver and every established point below the bank from which winding is normally carried on, but it shall not enable the banksman to signal on this system to anyone but the winding-engine driver.
43.3 The system shall be arranged so that the winding-engine driver can easily distinguish between signals received from the bank and signals received from below the bank.
43.4 The system shall further be arranged and maintained so as to prevent as far as possible signals being given by unauthorised persons. The signal operating mechanism at the bank and at all points below the bank shall be securely enclosed in a metal casing of substantial construction and shall be kept locked when not in actual use. The key shall be removable and when not required shall be removed and retained by the banksman, onsetter or other authorised person: Provided that other locking arrangements may be used if approved by the Principal Inspector of Mines.
43.5 There shall be in use a device which automatically prevents the conveyance or conveyances being raised or lowered after the winding-engine driver has given a signal on the circuit of the locked-bell system provided for interchanging signals with the bank or on the circuit of the locked-bell system provided for, interchanging signals with the established points below the bank from which winding is normally carried on, until he has received a signal on each of the circuits on which he gave a signal.

Question 53

Q

Between who and what are the locked-bell system to interchange signals

Answer

A

43.2 The locked-bell system shall be for the interchange of signals between-
(a) the winding-engine driver and the bank; and
(b) the winding-engine driver and every established point below the bank from which winding is normally carried on, but it shall not enable the banksman to signal on this system to anyone but the winding-engine driver.

Question 54

Q

How shall the locked-bell system be prevented from unauthorised use?

Answer

A

16.43.4 The system shall further be arranged and maintained so as to prevent as far as possible signals being given by unauthorised persons. The signal operating mechanism at the bank and at all points below the bank shall be securely enclosed in a metal casing of substantial construction and shall be kept locked when not in actual use. The key shall be removable and when not required shall be removed and retained by the banksman, onsetter or other authorised person: Provided that other locking arrangements may be used if approved by the Principal Inspector of Mines.

Question 55

Q

When does a device automatically prevents the conveyance or conveyances from being lowered or raised on the locked-bell system?

Answer

A

16.43.5 There shall be in use a device which automatically prevents the conveyance or conveyances being raised or lowered after the winding-engine driver has given a signal on the circuit of the locked-bell system provided for interchanging signals with the bank or on the circuit of the locked-bell system provided for, interchanging signals with the established points below the bank from which winding is normally carried on, until he has received a signal on each of the circuits on which he gave a signal.

Question 56

Q

How does the call-bell system of a winding plant work?

Answer

A

43.6 the call-bell system shall enable signals to be transmitted-
(a) to the winding-engine driver from the bank; and
(b) to the winding-engine driver from every established point below the bank from which winding is normally carried on, and shall also enable signals to be interchanged between the bank and every established point below the bank from which winding is normally carried on, but it shall not enable the winding-engine driver to transmit signals on this system.
43.7 the signal operating mechanism of the call-bell system shall be accessible to any person to transmit the signals “10 followed by a station signal” and “one long ring” referred to in regulation 16.45, but it shall not be used for any other purpose: Provided that the banksman or onsetter or any person duly authorised by the manager may use the system to indicate the station at which the conveyance is required and subject to the approval of the regional director to transmit special signals.
43.8 The tone of the bells of the call-bell system shall be such as to be easily distinguishable from that of the bells of the locked-bell system.

Question 57

Q

To whom and what shall the call-bell system enable signals to transmit?

Answer

A

43.6 the call-bell system shall enable signals to be transmitted-
(a) to the winding-engine driver from the bank; and
(b) to the winding-engine driver from every established point below the bank from which winding is normally carried on, and shall also enable signals to be interchanged between the bank and every established point below the bank from which winding is normally carried on, but it shall not enable the winding-engine driver to transmit signals on this system.

Question 58

Q

To whom shall the call-bell system of a winding plant be accessible to operate?

Answer

A

16.43.7 the signal operating mechanism of the call-bell system shall be accessible to any person to transmit the signals “10 followed by a station signal” and “one long ring” referred to in regulation 16.45, but it shall not be used for any other purpose: Provided that the banksman or onsetter or any person duly authorised by the manager may use the system to indicate the station at which the conveyance is required and subject to the approval of the regional director to transmit special signals.

Question 59

Q

When shall it be allowed to provide only one call-bell system in a shaft or winze?

Answer

A

16.43.9 In a shaft or winze where efficient telephonic intercommunication is provided between the bank and every established landing station for person below the bank, it shall be necessary to provide only one call-bell system in respect of all the winding plants serving such shaft or winze.

Question 60

Q

When may special signals be used in a winding plant?

Answer

A

46 In addition to the foregoing signals, special signals may be used provided they have been approved in writing by the Principal Inspector of Mines.
49.1 The code of signals referred to in regulation 16.45 or any abridged form thereof approved by the Chief Inspector, as well as the special signals that may be in use on a mine, shall be displayed suitably in the form of distinctly legible notices in letters and figures not less than 10 millimetres in height. The decision whether such notices are suitably displayed and distinctly legible shall rest with the Principal Inspector of Mines. Such notices shall be posted up in the winding-engine room, at the bank and at all shaft or winze stations for the time being in use.

Question 61

Q

Where shall the code of signals be displayed at a winding plant?

Answer

A

16.49.1 Such notices shall be posted up in the winding-engine room, at the bank and at all shaft or winze stations for the time being in use.

Question 62

Q

How shall the code of signals be displayed at a winding plant?

Answer

A

49.1 The code of signals referred to in regulation 16.45 or any abridged form thereof approved by the Chief Inspector, as well as the special signals that may be in use on a mine, shall be displayed suitably in the form of distinctly legible notices in letters and figures not less than 10 millimetres in height. The decision whether such notices are suitably displayed and distinctly legible shall rest with the Principal Inspector of Mines. Such notices shall be posted up in the winding-engine room, at the bank and at all shaft or winze stations for the time being in use.
49.2 Where only some of the signals in the aforementioned code are used it shall be necessary to display only that portion of the code which is used.

Question 63

Q

Complete the sentence:
16.48 No person shall enter or have access to or be permitted to enter or have access to a cage or other conveyance for any purpose whatsoever or shall continue to travel in a cage or other conveyance or shall leave or be permitted to leave a cage or other conveyance unless and until the _________________or, if a signal cannot be given on the bell-system, _______________________________.

Answer

A

appropriate signals required in terms of regulation 16.45 have been exchanged,

some other appropriate and distinct signal has been received from the winding-engine driver.

Question 64

Q

Complete the sentence:
16.47 Any person acting in conflict with the code of signals referred to in regulation 16.45 or any of the special signals used on a mine shall be ______________.

Answer

A

guilty of an offence.

Answer 64

A

16.50 Every vertical shaft and every vertical winze exceeding 30 metres in depth and used for winding purposes shall be provided with guides for skips, cages or other conveyances unless exempted in writing by the Principal Inspector of Mines.

Answer 65

A

16.51 At any place in a shaft where it is necessary for workmen to pass from one side to the other, provision shall be made for them to do so without entering or crossing a compartment in which winding is taking place; such passage shall be securely fenced off from moving parts of machinery and from any conveyance.

Answer 66

A

16.52 No person shall enter or cross a compartment of a shaft or of a headgear in which winding is taking place, except for the purpose of entering, leaving or having access to a cage, skip or other conveyance or for the purpose of conducting an examination, effecting repairs or doing other necessary work in such compartment.

Answer 67

A

54 No person shall effect repairs, conduct an examination or do other work in a shaft or a headgear while winding operations are being carried on in such shaft or headgear, except-
54.1 where such person is adequately protected from the conveyance and from other winding equipment as well as from falling stones and falling material; or
54.2 where the winding operations are necessary for such person to effect the repairs, conduct the examination or to do the other work.

Answer 68

A

55 The person in immediate charge of any repairs or examination in a winding compartment of a shaft or winze or a headgear or in immediate charge of any work in connection with maintenance or installation of equipment in a winding compartment of a shaft or winze or a headgear shall warn the driver of the winding engine operating the conveyance in such compartment that such repairs, examination or work are about to be undertaken and where practicable, shall enter forthwith, in the presence of the driver on duty at the time, such warning in the driver’s logbook provided in terms of regulation 16.81. Such entry shall be countersigned by the driver and by any driver relieving him. Where it is not practicable for the person in charge of such repairs, examination or work to enter such warning, the entry shall be made by the driver on duty. Except where the provisions of regulations 16.53.2 and 16.54.1 are complied with, the driver of every other winding engine operating conveyances in the shaft or winze or headgear shall be warned in a similar manner. The entry shall be cancelled by the person in immediate charge of such repairs, examination or work on completion thereof.
56 For the purpose of regulations 16.53, 16.54 and 16.55 work in a shaft shall not include work at the bottom of a shaft in the course of being sunk

Answer 69

A

57 Where winding is carried on in a shaft or winze there shall be fitted above the bank spring keps or jack catches or some other effective contrivance to support any conveyance detached from the winding rope as a result of an overwind.
58 For a winding system in a vertical shaft or winze where the end of the winding rope is fastened to the drum of the winding engine, there shall be fitted detaching hooks to detach from the winding rope any conveyance overwound in the headgear and to support it. Such detaching hooks shall be additional to the devices required in terms of regulation 16.57: Provided that detaching hooks need not be fitted to the ropes of any winding plant used in a vertical shaft or winze in the course of being sunk.
59 For a winding system in a vertical shaft or winze where the winding rope is not fastened to the drum or sheave of the winding engine-
59.1 the over-run space in the headgear above the highest established stopping place shall be provided with rigid guides or other appliances arranged so that an overwound conveyance is retarded to minimise the risk of the conveyance coming into contact with the rope sheave or the buffer stops in the headgear; and
59.2 the over-run space at the bottom of the shaft below the lowest established stopping place shall be provided with rigid guides or other appliances arranged so that an overwound conveyance is retarded and arrested before it can come into contact with any fixed obstacle.
60 The headgear shall be carried sufficiently high to allow a clearance of at least 7.5 metres in which the conveyance can travel above or beyond the highest landing place for persons before it comes into contact with any fixed obstacle excluding any retarding appliance provided in terms of regulation 16.59.
61 The shaft or winze shall be carried sufficiently deep to allow an over-run space of at least 7,5 metres in which the conveyance can travel below or beyond the lowest landing place for persons before it comes into contact with any fixed obstacle excluding any retarding appliance provided in terms of regulation 16.59: Provided that such over-run space need not be provided in a shaft or winze in the course of being sunk or in a shaft or winze not exceeding 300 metres in depth or length below the bank where the winding system does not include the use of a winze balance rope or tail rope

Answer 70

A

61.1 The employer must, for every station level-
(a) identify and clearly demarcate an area surrounding the shaft as the shaft station;
(b) show the shaft station, including the location of all safety devices on the shaft station, on a plan; and
(c) prominently and conspicuously display a copy of such plan at every station.
61.2.1 The employer must install a device or combination of devices that prevent inadvertent access of vehicles to the shaft as close as practicable to all entrances to the shaft.
61.2.2 The device or combination of devices referred to in 16.61.2.1 must be-
(a) fail-safe or lockable;
(b) equipped with mechanisms that prevent their unauthorised operation;
(c) operated only under the direct supervision of a competent person appointed by the engineer or by the person appointed in terms of regulation 2.13.2; and
(d) operated only if a conveyance is being used for the loading or unloading of persons, equipment, material, minerals or explosives at that entrance to the shaft.
61.2.3 The employer must install a device or combination of devices which ensure, or the employer must ensure, that the access configuration to the shaft station is such that the speed of any self-propelled mobile machine or combination of vehicles entering the shaft station is limited to ensure that the kinetic energy of such machine or any combination of vehicles reaching any entrance to the shaft station is not greater than the energy absorption capacity of the device or combination of devices referred to in regulation 16.61.2.1.
61.2.4 The employer must ensure that procedures are in place, or that the device or combination of devices referred to in regulation 16.61.2.1 are equipped with mechanisms that prevent the unauthorised operation removal of such device or combination of devices.

Answer 71

A

61.1 The employer must, for every station level-
(a) identify and clearly demarcate an area surrounding the shaft as the shaft station;
(b) show the shaft station, including the location of all safety devices on the shaft station, on a plan; and
(c) prominently and conspicuously display a copy of such plan at every station.

Answer 72

A

61.2.1 The employer must install a device or combination of devices that prevent inadvertent access of vehicles to the shaft as close as practicable to all entrances to the shaft.
61.2.2 The device or combination of devices referred to in 16.61.2.1 must be-
(a) fail-safe or lockable;
(b) equipped with mechanisms that prevent their unauthorised operation;
(c) operated only under the direct supervision of a competent person appointed by the engineer or by the person appointed in terms of regulation 2.13.2; and
(d) operated only if a conveyance is being used for the loading or unloading of persons, equipment, material, minerals or explosives at that entrance to the shaft.
61.2.3 The employer must install a device or combination of devices which ensure, or the employer must ensure, that the access configuration to the shaft station is such that the speed of any self-propelled mobile machine or combination of vehicles entering the shaft station is limited to ensure that the kinetic energy of such machine or any combination of vehicles reaching any entrance to the shaft station is not greater than the energy absorption capacity of the device or combination of devices referred to in regulation 16.61.2.1.
61.2.4 The employer must ensure that procedures are in place, or that the device or combination of devices referred to in regulation 16.61.2.1 are equipped with mechanisms that prevent the unauthorised operation removal of such device or combination of devices.

Answer 73

A

61.2.5 The engineer or person appointed in terms of regulation 2.13.2 must approve any access configuration for purposes of regulation 16.61.2.3 and must with regard to the device or combination of devices used for the purposes of regulations 16.61.2.1 and 16.61.2.3
(a) approve the design of every such design; and
(b) ensure that every such device is installed and maintained in good working order.

Answer 74

A

62 No person shall travel in a conveyance operated by a winding engine if such conveyance is loaded or partially loaded with mineral, and no person shall travel in a conveyance operated by a winding engine that is being used simultaneously for the winding of mineral; Provided that, if authorised by the manager or mine overseer, persons engaged in sinking operations in a vertical shaft or winze may descend such shaft or winze in a conveyance operated by a winding engine that is being used simultaneously for the raising of mineral.
63 Subject to the provisions of regulations 16.64 and 16.65 no person shall travel-
(a) with material or explosives in a conveyance operated by a winding engine; and
(b) in a conveyance operated by a winding engine that is being used simultaneously for the winding of material or explosives.

Answer 75

A

64 Subject to the provisions of regulations 16.65-
(a) the manager, engineer or mine overseer may grant permission in writing for persons to travel with material if such material is not likely to endanger persons travelling in the conveyance; and
(b) the manager shall-
(i) cause a list to be kept of the material which is regularly conveyed in the shaft or winze for which permission has been granted in terms of paragraph (a);
(ii) ensure that all persons authorised to give signals for the raising and lowering of persons are conversant with the material mentioned in the list; and
(iii) make a copy of the list readily available to all persons concerned.

Answer 76

A

65 The manager, engineer or mine overseer may authorise the following persons to travel in a shaft or winze with material or explosives prohibited in terms of regulation 16.63 if such travelling is necessary for the efficient carrying out of their duties-
65.1 Onsetters and their gangs;
653 Persons engaged in sinking operations or in conducting and examination, effecting repairs or doing other work in the shaft or winze;
65.4 Persons required to ensure the safe passage through the shaft or winze of material which cannot be conveyed inside a conveyance.

Answer 77

A

16.66 No persons shall place explosives in or remove them from a conveyance operated by a winding engine except under the immediate supervision of the banksman or onsetter or a competent person authorised thereto by the manager or mine overseer.

Answer 78

A

roof, 
top, 
side, 
bow, 
rim, 
bridle or 
frame
outside

Answer 79

A

16.68 persons shall not, except when permitted in writing by the regional director, be raised or lowered, in a conveyance attached to the normal conveyance.

Answer 80

A

workman in charge thereof has steadied it or caused it to be steadied

Answer 81

A

level of the brim.

Answer 82

A

16.71 Tools or other material which project above the top of the cage, skip, bucket, kibble or other means of conveyance and which are raised or lowered in a shaft or winze shall be fastened securely and placed in such a manner that the operation of any arresting device is not affected.

Answer 83

A

16.72 When winding in any compartment or compartments of a shaft, winze or headgear has been stopped for repairs or blasting operations or when it has been stopped for any other purpose for a period exceeding one hour in duration or when a conveyance has been changed, the winding engine serving such compartment or compartments shall not be used for the raising or lowering of persons until the cage, skip or other means of conveyance has been run at least one complete trip up and down such compartment or compartments: Provided that this regulation shall not apply to the use of the winding engine for the raising or lowering of persons conducting an examination or effecting repairs, and provided further that where such stoppage is confined to a portion of any compartment or compartments, the requirements of this regulation shall apply only to such portions.

Answer 84

A

73 The manager or sub-ordinate manager and an engineer or competent person appointed in terms of regulation 2.13.2, as the case may be, shall in respect of his area of responsibility, appoint in writing, competent persons whose duty it shall be to examine carefully, to an extent to be clearly defined in their respective letters of appointment, at least once in each week and at intervals not exceeding 10 days, the guides or rails and the shaft compartments and equipment, including the door, gates and barriers and ancillary equipment at stations, landing platforms and loading boxes.
74 An engineer or competent person appointed in terms of regulation 2.13.2, as the case may be shall appoint in writing, some competent person or persons whose duty it shall be to examine carefully-
74.1 at least once in each day, the winding ropes, the balance ropes or tail ropes, the connection of the winding ropes to the drums, the connection referred to in regulation 16.18, the conveyance and the main members by which they are suspended and any safety catches attached thereto, the pulley wheels and sheaves, the brakes, the depth indicators, the safety devices and all external parts of the winding equipment upon the proper working of which the safety of persons depends: Provided that these examinaitons will not be necessary on any day mentioned in section 9(1) of the Act, if the winding plant makes less than 50 trips during any such day; and
74.2 at least once in each week the signalling arrangements and safety devices used in connection therewith
75 An engineer or competent person appointed in terms of regulation 2.13.2, as the case may be, shall examine carefully-
75.1 at least once in each week, and at intervals not exceeding 10 days, the overspeed and overwind prevention devices and the external parts of the winding engine;
75.2 at least once in each year the winding engine as to the condition of the internal mechanical parts and, as far as reasonably practicable the internal electrical parts;
75.3 at least once in each calendar month at intervals not exceeding 45 days the structure of the winding rope and the balance rope or tail rope, with a view to ascertaining the amount of deterioration thereof. For the purpose of this examination the rope shall be cleaned at places selected by the person making the examination who shall note any reduction in the circumference of the rope, any variation in the length of lay of the rope, the superficial condition of the wires as to wear, corrosion, fractures and brittleness, and all other data necessary for ascertaining the amount, extent and distribution of the deterioration of the rope. If the examination discloses features such as undue or rapid wear or fractures of the wires, which, although not constituting sufficient reason for condemning the rope, call for more than usual attention, the examination required under this paragraph shall be made more frequently;
75.4 at least once in each calendar month at intervals not exceeding 45 days, the connections between the winding rope and the drum, the connections referred to in regulation 16.18 and the sheave wheel or wheels;
75.5 after every accident or occurrence referred to in regulations 25.6(a) and before winding operations are resumed, all portions of the winding equipment affected by such accident or occurrence on which the safety of persons depends.
75.6 by dynamically testing the automatic overwind and overspeed prevention devices at least once in every six months, at intervals not exceeding 200 days.
76 In the case of connections referred to in regulation 16.18 being of a class of steel approved the Chief Inspector, such connections and their component parts shall be dismantled, cleaned and then examined by an engineer or competent person appointed in terms of regulation2.13.2, as the case may be.
77 If on any examination required in terms of regulations 16.73, 16.74, 16.75 and 16.76 there is discovered any weakness or defect which may endanger the safety of persons and such weakness or defect cannot be remedied immediately, the person making the discovery shall report such weakness or defect to the manager without delay. Until such weakness or defect is remedied, the winding plant shall not be used except in so far as may be necessary to remedy such weakness or defect.

Answer 85

A

16.73 The manager or sub-ordinate manager and an engineer or competent person appointed in terms of regulation 2.13.2, as the case may be, shall in respect of his area of responsibility, appoint in writing, competent persons whose duty it shall be to examine carefully, to an extent to be clearly defined in their respective letters of appointment, at least once in each week and at intervals not exceeding 10 days, the guides or rails and the shaft compartments and equipment, including the door, gates and barriers and ancillary equipment at stations, landing platforms and loading boxes.

Answer 86

A

74 An engineer or competent person appointed in terms of regulation 2.13.2, as the case may be shall appoint in writing, some competent person or persons whose duty it shall be to examine carefully-
74.1 at least once in each day, the winding ropes, the balance ropes or tail ropes, the connection of the winding ropes to the drums, the connection referred to in regulation 16.18, the conveyance and the main members by which they are suspended and any safety catches attached thereto, the pulley wheels and sheaves, the brakes, the depth indicators, the safety devices and all external parts of the winding equipment upon the proper working of which the safety of persons depends: Provided that these examinaitons will not be necessary on any day mentioned in section 9(1) of the Act, if the winding plant makes less than 50 trips during any such day;

Answer 87

A

74 An engineer or competent person appointed in terms of regulation 2.13.2, as the case may be shall appoint in writing, some competent person or persons whose duty it shall be to examine carefully-
74.2 at least once in each week the signalling arrangements and safety devices used in connection therewith

Answer 88

A

75 An engineer or competent person appointed in terms of regulation 2.13.2, as the case may be, shall examine carefully-
75.1 at least once in each week, and at intervals not exceeding 10 days, the overspeed and overwind prevention devices and the external parts of the winding engine;
75.2 at least once in each year the winding engine as to the condition of the internal mechanical parts and, as far as reasonably practicable the internal electrical parts;
75.3 at least once in each calendar month at intervals not exceeding 45 days the structure of the winding rope and the balance rope or tail rope, with a view to ascertaining the amount of deterioration thereof. For the purpose of this examination the rope shall be cleaned at places selected by the person making the examination who shall note any reduction in the circumference of the rope, any variation in the length of lay of the rope, the superficial condition of the wires as to wear, corrosion, fractures and brittleness, and all other data necessary for ascertaining the amount, extent and distribution of the deterioration of the rope. If the examination discloses features such as undue or rapid wear or fractures of the wires, which, although not constituting sufficient reason for condemning the rope, call for more than usual attention, the examination required under this paragraph shall be made more frequently;
75.4 at least once in each calendar month at intervals not exceeding 45 days, the connections between the winding rope and the drum, the connections referred to in regulation 16.18 and the sheave wheel or wheels;
75.5 after every accident or occurrence referred to in regulations 25.6(a) and before winding operations are resumed, all portions of the winding equipment affected by such accident or occurrence on which the safety of persons depends.
75.6 by dynamically testing the automatic overwind and overspeed prevention devices at least once in every six months, at intervals not exceeding 200 days.
76 In the case of connections referred to in regulation 16.18 being of a class of steel approved the Chief Inspector, such connections and their component parts shall be dismantled, cleaned and then examined by an engineer or competent person appointed in terms of regulation2.13.2, as the case may be.
77 If on any examination required in terms of regulations 16.73, 16.74, 16.75 and 16.76 there is discovered any weakness or defect which may endanger the safety of persons and such weakness or defect cannot be remedied immediately, the person making the discovery shall report such weakness or defect to the manager without delay. Until such weakness or defect is remedied, the winding plant shall not be used except in so far as may be necessary to remedy such weakness or defect.

Answer 89

A

78 The manager shall provide for each winding plant a book to be termed the Machinery Record Book in which shall be entered-
78.1 The name of each person appointed under regulation 16.74 to perform the duties called for in the said regulation together with the particulars of the duties of the said person; and
78.2 a true report of every examination referred to in regulations 16.74, 16.75 and 16.76. These reports shall be recorded and signed without delay by the person making such examination. The reports made by the persons appointed in terms of regulation 16.74 shall be scrutinised and countersigned by an engineer or competent person appointed in terms of regulation 2.13.2, as the case may be, at least once a week.

Answer 90

A

79 The manager shall provide a book to be termed the Rope Record Book, in which shall be entered-
79.1 the name of each person appointed under regulation 16.27

79.2 the following particulars for each wining rope, balance rope or tail rope used on each winding plant-
(a) Name of manufacturer

      Date of manufacture, coil number, length in metres

        Mass per metre in kilograms, diameter in millimetres, or width and thickness in millimetres

        Construction of rope: type and length of lay, number of strands, class of heart, type of lubricant

        Construction of strands, number of wires, diameter of wires in millimetres, class of core, class of steel in wires, tensile strength of steel in megapascals.

        Breaking force in kilonewtons

        Rope test certificate number and place of test

(b) Whether used for winding or balance purposes

            Name and type of shaft

            Name of compartment

            Winding plant certificate number

            Date put on;

(c) Dates of recapping, shortening or turning end for end

            Dates of testing and the breaking force obtained at each test

            Date taken off

            Dates of annealing or renewing connections, and

16.79.3 a true report of every test or examination referred to in regulation 16.27. These reports shall be recorded and signed without delay by the person making such test or examination.

Answer 91

A

80 The manager shall provide for each shaft or winze where persons are regularly conveyed a book to be termed the Shaft Log Book in which shall be entered-
80.1 the name of each person appointed under regulation 16.73 to perform the duties mentioned therein together with the particulars of the duties of each such person;
80.2 a true report of every examination referred to in regulation 16.73. This report shall be recorded and signed without delay by the person making such examination and the reports shall be scrutinised and countersigned by the manager or mine overseer and by an engineer or competent person appointed in terms of regulation 2.13.2, as the case may be at least once in each week.

Answer 92

A

81 The manager shall provide in respect of each winding engine, other than an automatic winding engine, a book to be termed the Driver’s Log Book, which shall be kept in the winding engine room and in which shall be recorded in duplicate-
81.1 a true report of the condition of the winding engine, including the brakes, clutches, reversing gear, depth indicators and all other fittings. Such report shall be made and signed by the winding-engine driver for each period of charge, the time and duration of which shall be recorded;
81.2 a true report of the condition of the signalling arrangements together with a record of any signals received by the winding engine driver which he has questioned. Such report shall be made and signed by the winding-engine driver for each period of charge:
81.3 any special instructions involving the safety of person given to the winding-engine driver and the time such instructions were given. Such entry shall be signed by the person giving the instruction and shall be countersigned by the winding-engine driver; and
81.4 any warning given in terms of regulation 16.55 and the time such warning was given;
81.5 the contents of the conveyances and the last signals received by the winding-engine driver when his relief is about to take over, and such report shall be countersigned by the winding-engine driver by whom he is relieved.
82 The entries in the Driver’s Log Book shall be scrutinised and countersigned daily by the persons appointed to carry out the duties specified in regulation 16.74. The duplicate shall be scrutinised and countersigned within 24 hours by an engineer or competent person appointed in terms of regulation 2.13.2, as the case may be, and shall be retained by him for at least 30 days.

Answer 93

A

Machinery Log Book
Rope Record Book
Shaft Log Book
Driver’s Log Book

Answer 94

A

16.83.1 Nobody shall drive or be caused or permitted to drive a winding plant, for which a prescribed permit has been issued, unless he is a certificated winding-engine driver: Provided that a learner winding-engine driver may drive such a winding plant under the direct supervision of a certificated winding-engine driver while no persons are being conveyed;

Answer 95

A

16.83.2 For the purpose of regulation 16.83.1, “drive” shall mean any action requiring skill whereby the control levers of the winding plant are manipulated in such a way that the winding engine moves in direct relation to the movement of the levers.

Answer 96

A

16.84 Upon engaging a winding-engine driver, who is required in terms of regulation 16.83 to be the holder of a certificate, the manger shall record or cause to be recorded the number and type of such certificate: Provided that if such winding-engine driver has not driven a winding engine for the preceding two years or more, the manager shall not engage him, but shall refer the matter to the regional director who may require such winding-engine driver to undergo a medical examination and a proficiency examination.

Answer 97

A

16.85 No person shall speak to or in any way distract the attention of the person operating a winding-engine while it is in motion, except a person in authority, and then only in cases of necessity or emergency.

Answer 98

A

86 The driver of a winding-engine-
86.1 shall not start his engine before he has received a distinct and proper signal to do so, unless he has been instructed in writing to do so by the manager, the mine overseer or an engineer or competent person, appointed in terms of regulation 2.13.2, as the case may be, or unless he has received the “clear signal” 2 pause 2, or unless he has sole control of the cage, skip or other means of conveyance.
86.2 shall not act on any signal if he has been unable to do so within one minute after receiving it but shall request a repeat signal: Provided that after having received the “clear signal” he may move the winding engine at any time during his shift at his discretion, but when a period of more than five minutes has lapsed after he has received such “clear signal” he shall move the conveyance slowly.
86.3 shall not run such engine at a greater speed that that fixed by the regional director;
86.4 shall, except in the case of emergency, avoid shocks in starting, in running and in stopping the said engine;
86.5 shall apply correctly every device and means at his disposal to prevent the conveyance over-running-
(a) the signalled destination; or
(b) when the destination is not signalled, the highest or lowest landing place when persons are being conveyed and the highest or lowest established stopping place when persons are not being conveyed, to an extent which may endanger the safety of persons or may cause damage to the winding equipment;
86.6 shall apply correctly every device and means at his disposal to prevent the conveyance moving in a direction opposite to that signalled;
87.7 shall not start his engine until the expiry of at least 10 seconds after receiving a signal to raise or lower persons: Provided that this requirement shall not apply when blasting is about to take place in a shaft or winze in the course of being sunk;
86.8 shall not act in response to any signal on the call-bell system other than the on long ring referred to in regulation 16.45;
86.9 shall not unclutch a drum of his engine until he has assured himself immediately beforehand by testing the brake of the drum against sufficient power of the engine that the brake is in proper condition to hold the load suspended from the said drum;
86.10 shall, when a drum of his engine is unclutched, use the brake only for the purpose of maintaining such drum stationary. Lowering from an unclutched drum shall not be permitted;
86.11 shall when such engine is fitted with a friction clutch, test the holding power of the clutch after engaging the clutch and before releasing the brake of the corresponding drum. For a steam engine or an air engine the test shall be made against the full power of the engine, and for an electric engine against the normal starting current, while the brake of the drum is kept off;
86.12 shall not perform clutching operations while persons are in either of the conveyances operated by his engine;
86.13 shall not, unless he intends operating the winding engine on single drum during shaft examination, shaft repairs or shaft sinking operations, give the signal that clutching operations are completed until he has engaged the clutch and has securely locked it and where applicable has carried out the test prescribed in regulation 16.46.11;
86.14 shall not work not shall be caused or permitted to work longer shift on the winding-engine than 10 hours, except where permission has been obtained from the Principal Inspector of Mines and under such conditions as he may direct;
86.15 shall take all reasonable measures to safeguard persons being conveyed and to avoid any unnecessary delays in conveying such persons.

Answer 99

A

86 The driver of a winding-engine-
86.1 shall not start his engine before he has received a distinct and proper signal to do so, unless he has been instructed in writing to do so by the manager, the mine overseer or an engineer or competent person, appointed in terms of regulation 2.13.2, as the case may be, or unless he has received the “clear signal” 2 pause 2, or unless he has sole control of the cage, skip or other means of conveyance.

Answer 100

A

16.86.2 shall not act on any signal if he has been unable to do so within one minute after receiving it but shall request a repeat signal: Provided that after having received the “clear signal” he may move the winding engine at any time during his shift at his discretion, but when a period of more than five minutes has lapsed after he has received such “clear signal” he shall move the conveyance slowly.

Answer 101

A

16.86.3 shall not run such engine at a greater speed that that fixed by the regional director;

Answer 102

A

16.86.4 shall, except in the case of emergency, avoid shocks in starting, in running and in stopping the said engine;

Answer 103

A

86.5 shall apply correctly every device and means at his disposal to prevent the conveyance over-running-
(a) the signalled destination; or
(b) when the destination is not signalled, the highest or lowest landing place when persons are being conveyed and the highest or lowest established stopping place when persons are not being conveyed, to an extent which may endanger the safety of persons or may cause damage to the winding equipment;

Answer 104

A

16.86.6 shall apply correctly every device and means at his disposal to prevent the conveyance moving in a direction opposite to that signalled;

Answer 105

A

16.87.7 shall not start his engine until the expiry of at least 10 seconds after receiving a signal to raise or lower persons: Provided that this requirement shall not apply when blasting is about to take place in a shaft or winze in the course of being sunk;

Answer 106

A

16.86.8 shall not act in response to any signal on the call-bell system other than the on long ring referred to in regulation 16.45;

Answer 107

A

16.86.9 shall not unclutch a drum of his engine until he has assured himself immediately beforehand by testing the brake of the drum against sufficient power of the engine that the brake is in proper condition to hold the load suspended from the said drum;

Answer 108

A

16.86.10 shall, when a drum of his engine is unclutched, use the brake only for the purpose of maintaining such drum stationary. Lowering from an unclutched drum shall not be permitted;

Answer 109

A

16.86.11 shall when such engine is fitted with a friction clutch, test the holding power of the clutch after engaging the clutch and before releasing the brake of the corresponding drum. For a steam engine or an air engine the test shall be made against the full power of the engine, and for an electric engine against the normal starting current, while the brake of the drum is kept off;

Answer 110

A

16.86.12 shall not perform clutching operations while persons are in either of the conveyances operated by his engine;

Answer 111

A

16.86.13 shall not, unless he intends operating the winding engine on single drum during shaft examination, shaft repairs or shaft sinking operations, give the signal that clutching operations are completed until he has engaged the clutch and has securely locked it and where applicable has carried out the test prescribed in regulation 16.86.11;

Answer 112

A

16.86.14 shall not work nor shall be caused or permitted to work longer shift on the winding-engine than 10 hours, except where permission has been obtained from the Principal Inspector of Mines and under such conditions as he may direct;.

Answer 113

A

16.86.15 shall take all reasonable measures to safeguard persons being conveyed and to avoid any unnecessary delays in conveying such persons

Answer 114

A

16.88 No person shall be permitted to carry out the duties of a banksman or onsetter unless he is the holder of an onsetter’s certificate issued in accordance with these regulations. Every appointment of a banksman or onsetter shall be made in writing by the manager.

Answer 115

A

89.1 No person, other than the banksman or onsetter on duty, shall give or shall be caused or permitted to give any signals for the raising or lowering of persons provided that-
(a) when the banksman or onsetter is not available, a competent person to whom the manager has given written permission to do so may give signals for the conveyance of himself and of any person travelling with him;
(b) the ganger or miner in charge at the bottom of shaft or winze in the course of being sunk or a person acting under his immediate supervision may give a signal to raise persons; and
(c) any person duly authorised in writing by the manager or mine overseer may give signals for the conveyance of person between the main mineral loading station at the bottom of a vertical or inclined shaft and the lowest landing station for persons.
```
        The Principal Inspector of Mines shall be furnished on demand, with a list of the persons to whom permission has been granted in terms of paragraph (a) above and may order its revision.
```

Answer 116

A

89.2 No person other than the banksman or onsetter on duty shall give any signal for the raising or lowering of material or mineral unless duly authorised by the manager or mine overseer. Where the winding plant is also used for the conveyance of persons, such authorisation shall be in writing.
90 No person shall be appointed as a banksman or onsetter, not shall any person be authorised to give signals, unless such person has sufficient knowledge of the shaft operations and of the signals to be given in connection with such operations.

Answer 117

A

91 The banksman, onsetter or other person authorised to give signals for winding operations-
91.1 shall not, after the winding-engine driver has signalled that persons may enter the conveyance may continue to travel, give any signal on the signalling arrangements for that winding compartment until all persons are properly placed in the conveyance and the doors or gates of the conveyance and the gates or barriers at the bank, station or landing platform are properly shut: Provided that when the banksman, onsetter or other person authorised to give signals intends to travel, such doors, gates or barriers as will prevent his entrance to the conveyance may be left open until he has given the signal to raise or lower and has entered the conveyance;
91.2 shall not, when the conveyance containing persons is brought to rest in the proper position at the bank, station or landing platform and the winding-engine driver has signalled that persons may leave the conveyance, give any signal on the signalling arrangements for that winding compartment until all persons who are to leave the conveyance are out and clear of it. The provisions of regulations 16.91.1 and 19.91.2 shall not be take n to prohibit the giving of the “accident to shaft” signal;
91.3 shall ensure that the roof cover or hood required to be provided in terms of regulations 16.11 to 16.14 inclusive, is properly in position before persons are raised or lowered in or on such conveyance;
91.4 shall take all reasonable measures to prevent persons from having unauthorised access to the conveyance and to the winding compartments;
91.5 shall not allow any person to travel in a conveyance operated by a winding-engine if such conveyance contains mineral and, except as is provided for in regulation 16.62, shall not allow any person to travel in a conveyance operated by a winding-engine that is being used simultaneously for the winding of mineral;
91.6 shall not, except as is provided for in regulations 16.63 and 16.65, allow any person to travel in a conveyance operated by a winding engine that is being used simultaneously for the winding of material;
91.7 shall not, except as provided for in regulation 16.67, allow any person to ride on the roof, top, side, bow, rim, bridle or frame of or in any position outside a conveyance operated by a winding-engine;
91.8 shall acquaint himself with the maximum number of persons authorised by the Principal Inspector of Mines to travel at any one time in the cage and on each deck of the cage, or in the skip or other means of conveyance and shall not allow such maximum to be exceeded;
91.9 shall not allow any unauthorised person to give signals on the signalling arrangements used in connection with winding operations;
91.10 shall not give the “clear signal” 2 pause 2 or any signal to raise or lower the conveyance unless all persons at the bank, station, landing platform, loading box or other place where he is in charge, are in a position in which they will not be endangered by the movement of such conveyance or any other conveyance operated by the same winding-engine;
91.11 shall not give a signal to clutch unless all persons are out of and clear of the conveyance or conveyances operated by the winding-engine;
91.12 shall not cause or permit any person to enter or have access to the conveyance or conveyances until he has received a signal from the winding-engine driver that clutching operations are completed; and
91.13 shall take all reasonable measures to safeguard against accident all persons at the place where he is in charge, whether such persons are under his direct supervision or not.

Answer 118

A

92 Where a winding plant is used the following shall be kept posted up-
92.1 At each winding-engine-
(a) a copy of the permit issued in terms of section 33(1) of the Act; and
(b) the code of signals and any special signals.
92.2 At each bank, station or landing platform-
(a) a notice showing clearly the maximum number of persons permitted to ride in each conveyance, or a notice prohibiting the conveyance of persons where it is not allowed in terms of the permit issued under section 33(1) of the Act; and
(b) the code of signals and any special signals.

Answer 119

A

92.1 At each winding-engine-
(a) a copy of the permit issued in terms of section 33(1) of the Act; and
(b) the code of signals and any special signals.

Answer 120

A

92.2 At each bank, station or landing platform-
(a) a notice showing clearly the maximum number of persons permitted to ride in each conveyance, or a notice prohibiting the conveyance of persons where it is not allowed in terms of the permit issued under section 33(1) of the Act; and
(b) the code of signals and any special signals.

Answer 121

A

93 The provisions of regulations 16.8, 16.9, 16.24, 16.57, 16.60 and 16.72 shall not apply to a platform winder used at any shaft or winze in the course of being sunk but, in addition to the already existing regulations, the following provisions shall apply to any winding plant used at any shaft in the course of being sunk-
93.1 The winding-engine driver shall control the speed of the winding-engine in such manner as to ensure that when any bucket or other means of conveyance is approaching or passing through the stage, or the covering provided in accordance with the requirements of regulation 16.93.4, it does so slowly and safely and that the crosshead is picked up or released, as the case may be, without shock.
93.2 The bucket or other means of conveyance shall not be lowered directly to the bottom of the shaft if men are there present, but shall be stopped by the winding-engine driver at least five metres above the bottom and shall not be lowered further until the signal has been given by one of the sinkers thereat.
93.3.1 In a vertical shaft where sets are used to support the guides, guides for conveyances shall extend down to the lowest set which shall not be more than 15 metres from the bottom and when winding is being done to the bottom the crosshead shall travel to the lowest set but one. In a vertical shaft where the guides are not supported by sets, the guides for conveyances shall extend down to 30 metres or less from the bottom, and when winding is being done to the bottom the crosshead shall travel to as near the end of the guides as is practicable.
93.3.2 Every vertical shaft or winze where a crosshead is used to guide the bucket or other means of conveyance, shall be equipped with-
(a) an effective device so arranged as to prevent the bucket or other means of conveyance from being lowered below the shaft bank if it is unaccompanied by the crosshead; and
(b) an effective device which will prevent the bucket or other means of conveyance and the crosshead from separating unintentionally anywhere in the shaft or winze, or which will automatically warn the winding-engine driver should such separation take place.
93.4 No person shall work or be caused or permitted to work at the bottom of the shaft unless protected by an adequate covering extending over the whole area of such shaft, sufficient space only being left therein for the passage of any bucket, skip or other means of conveyance. In a vertical shaft such covering shall be situated not more than 25 metres from the bottom. In an inclined shaft, such covering shall be situated not more than 30 metres from the bottom.
93.4.1 In a shaft or winze being sunk or equipped, clutching may be performed with a sinking platform winder with such persons on the sinking platform necessary to ensure that the operations are carried out safely.
93.5 No person shall enter the conveyance at the bottom of the shaft until such conveyance has been raised and lowered or until some other distinct signal has been received from the winding engine driver.
93.6 The person in charge of blasting operations shall notify the winding-engine driver by a special signal, namely 5 knocks or rings, when blasting is about to take place, and, except in the case of firing by electricity, the driver shall replay by raising and lowering the conveyance approximately two metres.

Answer 122

A

16.93.1 The winding-engine driver shall control the speed of the winding-engine in such manner as to ensure that when any bucket or other means of conveyance is approaching or passing through the stage, or the covering provided in accordance with the requirements of regulation 16.93.4, it does so slowly and safely and that the crosshead is picked up or released, as the case may be, without shock.

Answer 123

A

93.2 The bucket or other means of conveyance shall not be lowered directly to the bottom of the shaft if men are there present, but shall be stopped by the winding-engine driver at least five metres above the bottom and shall not be lowered further until the signal has been given by one of the sinkers thereat.
93.3.1 In a vertical shaft where sets are used to support the guides, guides for conveyances shall extend down to the lowest set which shall not be more than 15 metres from the bottom and when winding is being done to the bottom the crosshead shall travel to the lowest set but one. In a vertical shaft where the guides are not supported by sets, the guides for conveyances shall extend down to 30 metres or less from the bottom, and when winding is being done to the bottom the crosshead shall travel to as near the end of the guides as is practicable.

Answer 124

A

93.3.2 Every vertical shaft or winze where a crosshead is used to guide the bucket or other means of conveyance, shall be equipped with-
(a) an effective device so arranged as to prevent the bucket or other means of conveyance from being lowered below the shaft bank if it is unaccompanied by the crosshead; and
(b) an effective device which will prevent the bucket or other means of conveyance and the crosshead from separating unintentionally anywhere in the shaft or winze, or which will automatically warn the winding-engine driver should such separation take place.

Answer 125

A

16.93.4 No person shall work or be caused or permitted to work at the bottom of the shaft unless protected by an adequate covering extending over the whole area of such shaft, sufficient space only being left therein for the passage of any bucket, skip or other means of conveyance. In a vertical shaft such covering shall be situated not more than 25 metres from the bottom. In an inclined shaft, such covering shall be situated not more than 30 metres from the bottom.

Answer 126

A

16.93.4.1 In a shaft or winze being sunk or equipped, clutching may be performed with a sinking platform winder with such persons on the sinking platform necessary to ensure that the operations are carried out safely.

Answer 127

A

16.93.5 No person shall enter the conveyance at the bottom of the shaft until such conveyance has been raised and lowered or until some other distinct signal has been received from the winding engine driver.

Answer 128

A

16.93.6 The person in charge of blasting operations shall notify the winding-engine driver by a special signal, namely 5 knocks or rings, when blasting is about to take place, and, except in the case of firing by electricity, the driver shall reply by raising and lowering the conveyance approximately two metres.

Answer 129

A

93 The provisions of regulations 16.8, 16.9, 16.24, 16.57, 16.60 and 16.72 shall not apply to a platform winder used at any shaft or winze in the course of being sunk
8 Where the length of wind below the uppermost landing place for persons exceeds 100 meters, adequate provision shall be made whereby the winding engine driver is warned of the arrival of the ascending cage, skip or other means of conveyance at a point in the shaft, the distance of which from the uppermost landing place for persons is not less than the equivalent of 3 revolutions of the drum or sheave of the winding engine: Provided that in the case of a single drum winder a similar device shall be fitted to warn the winding-engine driver of the approach of the descending conveyance to the lowest landing place for persons.
9 Every winding engine shall be fitted with at least one effective automatic overwind prevention device as well as an effective automatic overspeed prevention device.
9.2.1 The employer must install a device or combination of devices that detect slack rope on every winding plant in which the rope is attached to the drum operating in a vertical shaft, excluding a shaft in the course of being sunk.
9.2.2 The device or combination of devices contemplated in regulation 16.9.2.1 must on detecting a slack rope condition either automatically halt all winding operations in the vertical shaft safely or warn all winding engine drivers in such shaft of the slack rope condition.
9.2.3 The employer must establish an effective and safe procedure for rectifying any slack rope conditions.
9.2.4 All winding operations in the vertical shaft must cease when a slack rope condition occurs, except such operations necessary for rectifying the slack rope condition authorised by the engineer or person appointed in terms of regulation 2.13.2.
9.2.5 No winding operations may resume, except operations permissible in terms of regulation 16.9.2.4, until the slack rope condition has been rectified.
24 For every winding plant in use there must be in reserve and ready for use at all times a spare winding rope that complies with these regulations. One such spare rope may be kept in reserve for more than one winding plant if that rope is suitable for use on such other winding plants.
57 Where winding is carried on in a shaft or winze there shall be fitted above the bank spring keps or jack catches or some other effective contrivance to support any conveyance detached from the winding rope as a result of an overwind.
60 The headgear shall be carried sufficiently high to allow a clearance of at least 7.5 metres in which the conveyance can travel above or beyond the highest landing place for persons before it comes into contact with any fixed obstacle excluding any retarding appliance provided in terms of regulation 16.59.
72 When winding in any compartment or compartments of a shaft, winze or headgear has been stopped for repairs or blasting operations or when it has been stopped for any other purpose for a period exceeding one hour in duration or when a conveyance has been changed, the winding engine serving such compartment or compartments shall not be used for the raising or lowering of persons until the cage, skip or other means of conveyance has been run at least one complete trip up and down such compartment or compartments: Provided that this regulation shall not apply to the use of the winding engine for the raising or lowering of persons conducting an examination or effecting repairs, and provided further that where such stoppage is confined to a portion of any compartment or compartments, the requirements of this regulation shall apply only to such portions.

Answer 130

A

94 The prescribed permit shall not be required for winding plant that is driven by an engine or motor developing not more than 250 kilowatt, provided that such winding plant-
(a) is not used for the raising or lowering of persons or other than persons engaged in repairing or examining a shaft; and
(b) does not operate in any portion of a shaft or winze in any manner likely to interfere with the conveyance operated in that shaft served by a winding plant for which a prescribed permit has been granted.

Answer 131

A

16.95.2 Notwithstanding the provisions of regulations 16.78 and 16.79 a record book or card index system may be provided in place of the machinery record book.

Answer 132

A

95.3 Notwithstanding the provisions of regulations 16.95.1, a winding rope may not be used for a winding plant contemplated in regulation 16.94 unless-
(a) its breaking strength, determined by a test on a representative sample as prescribed in regulation 16.25, is at least 10 times the attached load; and
(b) that part of the winding rope attached to the conveyance or counterweight is cut off and re-terminated at intervals not exceeding six months.

Answer 133

A

engineer

2.13.2

Answer 134

A

16.95.1 A winding plant, referred to in regulation 16.94, shall not be subject to the provisions of regulations 16.5.1, 16.5.2, 16.7, 16.9 to 16.15 inclusive, 16.18, 16.19, 16.24 to 16.29 inclusive, 16.41.1, 16.41.2, 16.49.1, 16.58 to 16.61 inclusive, 16.74, 16.75 and 16.81: Provided that the manager, or sub-ordinate manager appointed in terms of regulation 2.6.1, shall appoint in writing any competent person to carry out the duties and examinations prescribed in regulation 16.74 and provided further that the engineer or person appointed in terms of regulation 2.13.2 shall appoint in writing any competent person to examine at least once each week the item specified in regulation 16.74.1.

5.1. After stop restart immediately in either direction
5.2. lift from the bottom to the top of the shaft or winze the maximum unbalanced load on one drum
1. Depth indicators
1. Slack rope
1. Speed indicator and tachograph
1. Construction of conveyance
1. skip or kibble roof or cover
1. Roof or cover
1. Roof or cover
1. Trailers
1. 6 montly connections
1. Info in rope log book
1. Spare rope
1. Manager certificate rope
1. None
1. Engineer result in rope log book
1. Report to PIM rope
1. None
41.1 specimen rope cut 6 monthly
41.2. Rope cut 3 monthly
49.1. Signals displayed
1. Detaching hooks
1. Over run space
1. 7,5 meters space
61 station demarcation
74 daily and weekly inspection
75 engineer inspection
81 driver’s logbook
5.1 When running at various speeds with light or heavy loads it can be readily slowed and stopped and after being stopped it can be restarted immediately in either direction; and
5.2 it can lift from the bottom to the top of the shaft or winze the maximum unbalanced load on one drum. This provision shall not apply where other means exist enabling persons employed below to reach the top of the shaft or winze.
7 In addition to any marks on the rope, every winding engine shall be provided with reliable depth indicators conveniently situated, which will at all times show clearly and accurately to the winding engine driver at his operating position the position of the cage, skip or other means of conveyance and where a reduction in winding speed is necessary. The pointer of the dial indicator on the driver’s right hand side shall move in a clockwise direction when lowering, and the pointer of a post and spiral indicator shall move up or down as the conveyance moves up or down. On every winding engine where the rope is driven by friction, every single-drum winding engine and every winding engine having 2 drums permanently fixed on one shaft, only one indicator need to be provided.
9.2.1 The employer must install a device or combination of devices that detect slack rope on every winding plant in which the rope is attached to the drum operating in a vertical shaft, excluding a shaft in the course of being sunk.
9.2.2 The device or combination of devices contemplated in regulation 16.9.2.1 must on detecting a slack rope condition either automatically halt all winding operations in the vertical shaft safely or warn all winding engine drivers in such shaft of the slack rope condition.
9.2.3 The employer must establish an effective and safe procedure for rectifying any slack rope conditions.
9.2.4 All winding operations in the vertical shaft must cease when a slack rope condition occurs, except such operations necessary for rectifying the slack rope condition authorised by the engineer or person appointed in terms of regulation 2.13.2.
9.2.5 No winding operations may resume, except operations permissible in terms of regulation 16.9.2.4, until the slack rope condition has been rectified.
10 Any winding engine with a permitted speed of over five metres per second shall be fitted with a speed indicator and a tachograph, which shall be used and maintained in efficient working order. The speed indicator shall be so situated that the winding speed can be easily read at all times by the winding-engine driver from his operating position.
11 Every cage used for the regular conveyance of persons shall be of substantial construction and shall be provided with a proper roof or cover and doors. The cage shall be enclosed in such a manner as to prevent any portion of the body of any person therein from accidentally coming into contact with the timbering or other equipment in the shaft or winze or the sides of the shaft or winze. The doors shall be securely attached to the cage and so arranged that they cannot be opened outwards or accidentally. Provision shall be made for adequate ventilation through the cage.
12 Every skip or kibble, used for the regular conveyance of persons in a vertical or steeply inclined shaft or winze shall be provided with a substantial roof or cover that will safeguard the occupants.
13 Every conveyance used for examining, repairing or doing other work in a vertical or steeply inclined shaft or winze shall be provided with a substantial roof or cover and shall be sufficiently enclosed to protect any person from accidentally falling out.
14 Where the roof or cover of a cage, skip or any other means of conveyance is used as a platform for persons engaged in examining, repairing or doing other work in a vertical or steeply inclined shaft or winze, the persons so engaged shall be protected by a hood or cover immediately above them. Such hood or cover shall be removed as soon as this work is completed.

15 No trailer-
(a) shall be used in a shaft or winze where persons are regularly conveyed;
(b) shall be attached to a conveyance when such conveyance is used for the transportation of persons; and
(c) shall be used for the regular transport of persons;

        Unless it is allowed by the permit referred to in section 33(1) of the Act: Provided that for the purpose of this regulation, “trailer” shall mean any conveyance operated by a winding engine and which is attached to but not forming an integral part of the permanent conveyance, and of which the lateral movement is restrained by means of guide shoes or wheels running in or on guides or tracks.

18 At intervals of not more than 6 months the connections between-
(a) any winding rope and the conveyance or counterpoise;
(b) the conveyance and any trailer or other attached conveyance; and
(c) any balance rope or tail rope and the conveyance or counterpoise, shall be annealed or given other proper heat treatment or shall be discarded and replaced. With connections of a class of steel approved by the Chief Inspector, the interval for heat treatment may be extended with the written permission of the Chief Inspector.
19 A proper record shall be kept of the heat treatment and working life of the connections referred to in regulation 16.18 and an engineer shall add to the record the report on the method procedure followed in such treatment and his comments on the results. All such connections and their component parts shall be marked clearly for the purpose of identification.
24 For every winding plant in use there must be in reserve and ready for use at all times a spare winding rope that complies with these regulations. One such spare rope may be kept in reserve for more than one winding plant if that rope is suitable for use on such other winding plants.
25 No winding rope, balance rope or guide rope may be installed unless the manager is in possession of a certificate not older than two years confirming that the breaking strength, as determined by a destructive test at an approved rope testing station, complies with these regulations.
27.1 Any newly installed winding rope, balance rope or guide rope and the rope connections of any such rope must be carefully examined by the engineer and may not be used for the raising or lowering of persons until the conveyance loaded with the maximum permitted mass has been run two complete test trips between the highest and lowest stopping places ordinarily in use.
27.2 The engineer, in addition to recording the results in terms of regulation 16.79, must record and sign the results of the examination in terms of regulation 16.27.1 immediately in the Driver’s Log Book provided in terms of regulation 16.81.
28.1 When any winding rope, balance rope or guide rope is installed, the particulars specified in paragraphs (a) and (b) of regulation 16.79.2 must be submitted to the Principle Inspector of Mines.
28.2 When any winding rope in use is replaced, the reasons for discard, the life in terms of winding cycles, the time in use and such other particulars regarding that winding rope as the Principal Inspector of Mines may require must be submitted to the Principal Inspector of Mines.
4.1.1 A sample of every winding rope in use must be cut from the end attached to the conveyance or counterweight at intervals not exceeding six months unless the winding system does not allow shortening of the winding rope. The length of the sample must be as specified by an approved rope testing station.
41.1.2 Where winding ropes are connected to a compensating sheave on the conveyance or counterweight, that part of the ropes that is in contact with the sheave must be cut off and the ropes re-terminated at intervals not exceeding 3 months.
49.1 The code of signals referred to in regulation 16.45 or any abridged form thereof approved by the Chief Inspector, as well as the special signals that may be in use on a mine, shall be displayed suitably in the form of distinctly legible notices in letters and figures not less than 10 millimetres in height. The decision whether such notices are suitably displayed and distinctly legible shall rest with the Principal Inspector of Mines. Such notices shall be posted up in the winding-engine room, at the bank and at all shaft or winze stations for the time being in use.
58 For a winding system in a vertical shaft or winze where the end of the winding rope is fastened to the drum of the winding engine, there shall be fitted detaching hooks to detach from the winding rope any conveyance overwound in the headgear and to support it. Such detaching hooks shall be additional to the devices required in terms of regulation 16.57: Provided that detaching hooks need not be fitted to the ropes of any winding plant used in a vertical shaft or winze in the course of being sunk.
59 For a winding system in a vertical shaft or winze where the winding rope is not fastened to the drum or sheave of the winding engine-
59.1 the over-run space in the headgear above the highest established stopping place shall be provided with rigid guides or other appliances arranged so that an overwound conveyance is retarded to minimise the risk of the conveyance coming into contact with the rope sheave or the buffer stops in the headgear; and
59.2 the over-run space at the bottom of the shaft below the lowest established stopping place shall be provided with rigid guides or other appliances arranged so that an overwound conveyance is retarded and arrested before it can come into contact with any fixed obstacle.
60 The headgear shall be carried sufficiently high to allow a clearance of at least 7.5 metres in which the conveyance can travel above or beyond the highest landing place for persons before it comes into contact with any fixed obstacle excluding any retarding appliance provided in terms of regulation 16.59.
61 The shaft or winze shall be carried sufficiently deep to allow an over-run space of at least 7,5 metres in which the conveyance can travel below or beyond the lowest landing place for persons before it comes into contact with any fixed obstacle excluding any retarding appliance provided in terms of regulation 16.59: Provided that such over-run space need not be provided in a shaft or winze in the course of being sunk or in a shaft or winze not exceeding 300 metres in depth or length below the bank where the winding system does not include the use of a winze balance rope or tail rope
61.1 The employer must, for every station level-
(a) identify and clearly demarcate an area surrounding the shaft as the shaft station;
(b) show the shaft station, including the location of all safety devices on the shaft station, on a plan; and
(c) prominently and conspicuously display a copy of such plan at every station.
74 An engineer or competent person appointed in terms of regulation 2.13.2, as the case may be shall appoint in writing, some competent person or persons whose duty it shall be to examine carefully-
74.1 at least once in each day, the winding ropes, the balance ropes or tail ropes, the connection of the winding ropes to the drums, the connection referred to in regulation 16.18, the conveyance and the main members by which they are suspended and any safety catches attached thereto, the pulley wheels and sheaves, the brakes, the depth indicators, the safety devices and all external parts of the winding equipment upon the proper working of which the safety of persons depends: Provided that these examinaitons will not be necessary on any day mentioned in section 9(1) of the Act, if the winding plant makes less than 50 trips during any such day; and
74.2 at least once in each week the signalling arrangements and safety devices used in connection therewith
75 An engineer or competent person appointed in terms of regulation 2.13.2, as the case may be, shall examine carefully-
75.1 at least once in each week, and at intervals not exceeding 10 days, the overspeed and overwind prevention devices and the external parts of the winding engine;
75.2 at least once in each year the winding engine as to the condition of the internal mechanical parts and, as far as reasonably practicable the internal electrical parts;
75.3 at least once in each calendar month at intervals not exceeding 45 days the structure of the winding rope and the balance rope or tail rope, with a view to ascertaining the amount of deterioration thereof. For the purpose of this examination the rope shall be cleaned at places selected by the person making the examination who shall note any reduction in the circumference of the rope, any variation in the length of lay of the rope, the superficial condition of the wires as to wear, corrosion, fractures and brittleness, and all other data necessary for ascertaining the amount, extent and distribution of the deterioration of the rope. If the examination discloses features such as undue or rapid wear or fractures of the wires, which, although not constituting sufficient reason for condemning the rope, call for more than usual attention, the examination required under this paragraph shall be made more frequently;
75.4 at least once in each calendar month at intervals not exceeding 45 days, the connections between the winding rope and the drum, the connections referred to in regulation 16.18 and the sheave wheel or wheels;
75.5 after every accident or occurrence referred to in regulations 25.6(a) and before winding operations are resumed, all portions of the winding equipment affected by such accident or occurrence on which the safety of persons depends.
75.6 by dynamically testing the automatic overwind and overspeed prevention devices at least once in every six months, at intervals not exceeding 200 days.
81 The manager shall provide in respect of each winding engine, other than an automatic winding engine, a book to be termed the Driver’s Log Book, which shall be kept in the winding engine room and in which shall be recorded in duplicate-
81.1 a true report of the condition of the winding engine, including the brakes, clutches, reversing gear, depth indicators and all other fittings. Such report shall be made and signed by the winding-engine driver for each period of charge, the time and duration of which shall be recorded;
81.2 a true report of the condition of the signalling arrangements together with a record of any signals received by the winding engine driver which he has questioned. Such report shall be made and signed by the winding-engine driver for each period of charge:
81.3 any special instructions involving the safety of person given to the winding-engine driver and the time such instructions were given. Such entry shall be signed by the person giving the instruction and shall be countersigned by the winding-engine driver; and
81.4 any warning given in terms of regulation 16.55 and the time such warning was given;
81.5 the contents of the conveyances and the last signals received by the winding-engine driver when his relief is about to take over, and such report shall be countersigned by the winding-engine driver by whom he is relieved.

Answer 135

A

“shaft” means any tunnel having a cross-sectional dimension of 3,7 metres or over and-

(a) having an inclination to the horizontal of 15 degrees or over;or
(b) having an inclination to the horizontal of less than 15 degrees but more than 10 degrees where the speed of traction may exceed two metres per second;

Answer 136

A

“shaft station” means the area surrounding the shaft at every station level and identified and demarcated as the shaft station by the employer in terms of regulation 16.61.1.

Answer 137

A

“winze” means any tunnel having an inclination below the horizontal in the direction of working of more than 5 degrees and not included in the definition of “shaft”.

Answer 138

A

“prescribed permit” means a permit prescribed by regulation 34.1.

Answer 139

A

“material” means whatever may be conveyed by means of a winding plant, elevator or self-propelled mobile machine excluding persons, mineral and explosives.

Answer 140

A

“manager” means the person appointed to be responsible for the control, management and direction of a mine or a works and includes the term “general manager”.

Answer 141

A

“winding-engine driver” means a person who is the holder of an winding-engine driver certificate issued by the Chief Inspector of Mines or who has been assessed competent against a qualification recognised by the Mining Qualifications Authority for this purpose.

Answer 142

A

“engineer” means a person who is the holder of an appropriate mechanical or electrical engineer’s certificate of competency appointed in terms of these regulations.

Answer 143

A

“automatic winding plant” means any hoist or other appliance for the conveyance of persons, material or mineral by means of a cage, skip or other means of conveyance in any shaft or winze where the driving machinery is normally operated automatically, without a driver in attendance, but shall not include any lifting machine, elevator, chairlift, endless rope haulage or scraper winch installation.

Answer 144

A

“onsetter” means a person who shall be the holder of an onsetter’s certificate, issued by the Principle Inspector of Mines or who has been assessed competent against a skill program recognised by the Mining Qualifications Authority for this purpose, appointed by the manager to be in charge of a cage, skip or other means of conveyance underground in which persons are being raised or lowered and to give the necessary signals.

Answer 145

A

“banksman” means a person stationed at the shaft top, who shall be the holder of an onsetter’s certificate, appointed by the manager to supervise the loading and unloading of persons in the cage, skip or other means of conveyance and to give the necessary signals.

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C. 16. Shafts Flashcards

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