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g. Pillaring methods shall eliminate pillar points and pillars that project
towards the break line.

h. When recovering adjacent pillars left and right from the same opening,
mining shall be completed in one (1) such pillar lift and the openings posted
off with at least two (2) rows of breaker posts on not more than 1.0 meter
centers before operations are started in the second pillar.

F. Open End Pillaring
Rule 141 The following criteria shall apply to open end pillaring:

a. At least two (2) rows of breaker posts shall be installed between the lift
being started and the gob on not more than 1.0 meter centers before the
initial cut is made and shall be extended to within 2.1 meters of the face.
The width of the roadway shall not exceed 4.2 meters.

b. If the roof in open end pillaring has a tendency to hang, the roof shall be
allowed to collapse, or cribs shall be installed in addition to the break line
posts between the active lift and the hanging area. The cribs shall be set not
more than 2.4 meters apart. Heavy duty hydraulic jacks installed at centers
close enough to give equivalent support may be substituted for cribs, if such
jacks are removed remotely.

G. Natural Arched Roof Support

Rule 142 The following criteria shall apply to mining systems employing continuous mining
machines designed to give natural roof support by means of an arched roof:

a. Where coal roof other than that included in the arch is necessary for roof
support, at least 15 centimeters of coal roof shall be maintained at all times.
In the event that less than 15 centimeters of coal roof is encountered, all
work in such places shall be suspended, the continuous miner withdrawn,
and artificial roof support installed.

b. Prior to the development of the fourth entrance to a four-way intersection,
artificial roof supports shall be installed in roof between the tangents of the
arches in the entry.

c. Additional support shall be installed in area where the width of opening is
to exceed the normal cutting width of the continuous mining machine.

d. All areas where arch is broken shall be considered as having unsupported

roof. No work shall be done in these areas until artificial roof supports have
been installed.

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Section 7: Hoisting

A. Hoisting Operator

Rule 143 Only experienced hoisting operators and workers duly qualified by the employer
shall be allowed to discharge the duties of hoistman or hoisting operator.

Rule 144 The hoisting operator shall comply with the following requirements:

a.

Pass a physical and medical examination by the duly licensed physician of
the employer showing that he is physically normal in heart, sight, hearing,
lungs, mind, and that he has no physical or mental defects.

The examination shall be of recent date, not more than thirty (30)-days
previous to his employment as hoisting operator.

Show competency in an actual test in handling the hoist and knowledge of
hoisting procedure in its many phases.

Shall know and be able to carry out all hoisting signals or code.

Shall submit to a periodic re-examination by the duly licensed physician of
employer at intervals not exceeding six (6) months.

Rule 145 Duties of the hoisting operator:

The hoisting operator shall comply with the following rules:

a.

b.

Physically and mentally fit.

Free from the influence of liquor, narcotics, prohibited drugs, or any
substance that may cause intoxication.

Familiarize himself with and strictly comply with the requirements of all
safety rules and regulations pertaining to the discharge of his duties.

At the beginning of each shift, examine and inspect the hoist and accessory
hoisting apparatus and report immediately to his supervisor any part that is
not functioning normally.

Do not run the hoist or hoisting apparatus if by doing so may endanger the
safety of workers and/or may cause damage to the apparatus.

Be immediately in-charge of his engine at all times and not delegate any of
his duties to any other person except to the trainee under his supervision and
designated for this purpose by the company authorities.

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g. Carefully watch his engine and all machinery under his charge.

h. Prohibit from conversation with any one or distract himself while his engine
is in motion, or while attending to signals except when receiving orders or
instructions.

—e

Exclude anyone from the hoist room except those who are authorized.
j. Run his engine according to safe practices.

k. Do not answer any signal not included on the signal list.

1. Do not move a cage, skip or bucket unless a proper signal is received.
m. Always return or acknowledge the proper signal that he receives.

n. After returning the signal, wait for a while before finally hoisting or
lowering the cage, skip or bucket.

o. Not accept hoisting instruction by telephone unless made by a person
authorized to give instructions.

p. Cages or skips shall be placed in balance before hoisting workers.
q. Cages or skips carrying workers shall not be "on the brakes."

r. When the hoist has been shut down for a period of time, check all apparatus
by operating the cage through the full length of the shaft before hoisting or
lowering workers.

s. After any repair in the shaft, run an empty cage, skip or bucket or other
apparatus up and down the shaft. No regular work shall be done through the
shaft until it has been found to be in safe condition.

t. Before leaving the post, secure position of cage, skip or bucket or other
hoisting conveyance at least three (3) meters above the collar of the shaft,
or a level or station.

pe Ma EE ee LE PT mae hE Pe Rare alee NT Beng ed Tener pM eRe elt RA ie = a OEE thle dade dat anand Talia oigpiald aoapiek

u. Prohibit oiler to oil the engine while in motion.

v. Periodically check the indicator or marker of the hoist cable with the actual
level locations.

w. Report in details changes or adjustment in hoist equipment to the succeeding

hoisting operator and record such adjustment in a log book duly noted by
the immediate supervisor,

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B. General Hoisting Rules

Rule 146

Rule 147

Rule 148

Rule 149

Rule 150

Rule 151

Rule 152

Rule 153

Rule 154

Rule 155

Rule 156

Rule 157

Rule 158

Rule 159

2018 Coal Mine Safety and Health Rules and Regulations

Maximum hoisting speeds, loading capacities and corresponding signal codes for
materials and rocks shall be fixed by the Operator and shall be posted in the hoist

room.

The maximum speed for hoisting or lowering workers shall not exceed the designed
speed of the hoist equipment.

A log book of hoist equipment shall be maintained wherein all shift entries shall be
made by the hoisting operator.

When hoisting of workers, and supplies and materials is done through a shaft or
winze or raise more than twenty (20) meters deep, proper safety devices shall be
installed to protect the hoisting apparatus from over-winding.

The Operator shall determine the number of workers allowed to ride at one time.

The maximum number of workers allowed to ride on a trip shall be posted at each
landing place and the requirements shall be strictly enforced.

Hoisting or lowering workers through a vertical shaft or winze 30 meters or deeper
shall not be permitted unless an iron-bonneted safety cage, skip or bucket is used,
except when shaft or winze sinking operations are in progress.

No one shall get into or out of the cage, skip or bucket while it is in motion or after
the signal to move has been given to the hoisting operator.

Hoisting and lowering of loose materials and supplies shall be securely fastened by
any rigging equipment such as binders, safety cables and chains.

The end of tools, timber or other materials projecting out of the cage and handled
through the shaft shall be securely fastened or lashed to the hoisting rope or upper
part of the cage, skip or bucket.

Drill steel or other materials must be placed far enough from the collar of the shaft
or other opening, to prevent it from falling down. The perimeter of the collar shall
be provided with railings or fence.

No workers shall be allowed to ride on the bail of the skip.

Workers before riding on the cage shall properly line up without crowding or
pushing one another and once on the cage they shall face the bell chord signal.

Workers shall not be allowed to ride on boards placed across the top skips. These
boards shall be placed inside the skip.

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Rule 160

Rule 161

Rule 162

Rule 163

Rule 164

Rule 165

Rule 166

Rule 167

Rule 168

Rule 169

Rule 170

Rule 171

Rule 172

Rule 173

Rule 174

Only the cage operator shall make the signal in a cage except in cases of emergency
in which the loss of life is at stake.

All cages shall be designed and constructed with maximum safety considerations.

Only authorized persons shall be allowed to ride on a cage or skip when explosives,
tools, equipment and other materials are being transported.

No open light is permitted in the cage.

Heavy machinery or equipment that is being loaded into or unloaded from the cage
shall be secured with chains, landing gears, or other devices.

Emergency brakes shall be installed aside from the hoist brake. Both brakes shall
be tested at every change of shift.

Only safety hooks, shackles or proper attachment shall be used for bucket, cage or
skip or other conveyances.

All cages or skips shall be provided with an emergency cable or chain sling or any
other safety device as an additional precaution to prevent the skip or cage from
falling in the event of the failure of the clevis pin.

Safety catches or dogs of cages shall be inspected and drop tested at least once
every three (3) months, under conditions similar to the failure of the rope or
apparatus connecting the cage or skip and the hoisting rope.

Safety catches or dogs of cages or skips shall be provided except on cages or skips
with three (3) or more cables are used.

Self-dumping cages, platforms, mine cars or other devices that may tilt shall not be
used for transporting of workers.

An attendant shall be on duty at the surface when workers are being hoisted or
lowered at the beginning or end of each operating shift.

Precautions shall be taken to protect workers working in shaft sumps.
The door of automatic elevators shall be equipped with interlocking switches so
that the elevator car will be immovable while any door is opened or unlocked, and

cannot be inadvertently opened when the elevator car is not at a landing.

A "Stop" switch shall be provided in the automatic elevator compartment that will
permit the elevator to stop at any location in the shaft, in case of emergency.

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Rule 175 A slack cable device shall be installed on automatic elevators which will
automatically shut-off the power and engage the brakes in the event the elevator is
obstructed while descending.

Rule 176 A platform for safe footing shall be provided during embarkation or disembarkation
of workers from cage.

Rule 177 During the development of shaft, either a ladder or hoist shall be provided to allow
workers to escape quickly in the event of an emergency.

C. Hoisting of Persons and Materials
Rule 178 The winding engine shall be such that:

a. When running at various speeds with light and heavy loads, it can be readily
slowed and stopped, and can be immediately started again in either direction
by the hoisting operator;

b. 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 in cases where
other means can enable workers below to reach the top of shaft or winze;

c. Each winding drum when unclutched from the engine can be maintained in
a position of rest by means of its own brake or brakes, with no more slipping
greater than thirty centimeters when the conveyance is loaded to the
maximum permitted weight of material or to double the maximum
permitted weight of persons, whichever is greater. In calculating the total
weight of a person for the purpose of this sub-regulation and of Rules 185
and 216, seventy (70) kilograms shall be allowed for each person;

d. Where no part of the rope is rigidly fixed 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.

Rule 179 There shall be on the drum of the winding engine such flanges or horns, and also,
if the drum is conical or spiral, such other devices as may be sufficient to prevent
the rope from slipping off or coiling unevenly.

Rule 180 Every winding engine, shall, in addition to any marks on the rope, be provided with
reliable depth indicators conveniently situated, which will clearly and accurately
show to the hoisting operator at his driving seat at all times:

a. The position of the cage, skip or other means of conveyance; and

b. At what places in the shaft changes of gradient necessitate reduction in
speed.

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On any new engine erected after approval of this order, the pointer of the dial
indicator on the driver’s right hand shall move in a clockwise direction when
lowering and in the case of a post and spiral indicator the pointer shall move up or
down as the conveyance move or down.

In the case of Whiting hoists, single drum hoists and hoists having two (2) drums
permanently fixed on one shaft only one indicator need be provided.

Rule 181 In every shaft exceeding one hundred meters in depth, adequate provision shall be
made whereby the engine driver is warned of the arrival of the cage, skip or other
means of conveyance at a point in the shaft, the distance of which from the top
landing place is less than the equivalent of three revolutions of the drum or sheave
of the winding engine.

Rule 182 To all engines operating in shafts, the following shall apply:

a. Where workers are regularly conveyed, there shall be fitted at least one
efficient automatic overwinding prevention device;

b. Where winding is carried on in a shaft, there shall be fitted above the bank
spring keps, or jack catches, or some other effective contrivance to support
any conveyance detached as the result of an overwind;

c. In the case of a winding drum system in a vertical shaft 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 and support any
overwound conveyance in the headgear. Such detaching hooks shall be
additional devices to those required in paragraph (b) above: Provided that
the Bureau may grant exemption from the requirement of fitting detaching
hooks in the case of winding system in a vertical shaft in the course of
sinking;

d. In the case of winding system in a vertical shaft where the winding rope is
not fastened to the drum or sheave of the winding engine:

i. The over-run space on the headgear above the highest
established stopping place shall be provided with rigid
guides or other devices so arranged that the overwound
conveyance is retarded in order to minimize the risk of
colliding with the rope sheave or the buffer stops in the
headgear; and,

ii. The over-run space at the bottom of the shaft below the
lowest established stopping place shall be provided with
rigid guides or other devices so arranged that an overwound

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conveyance is retarded and arrested before it can collide with
any fixed obstacle.

e. To all winding engines with a permitted speed of over three hundred (300)
meters per minute, there shall be fitted and in use a tachograph and speed
indicator shall be maintained in efficient working order. The speed indicator
shall be situated that the winding speed can at all times be easily read by the
engine driver from his driving seat.

Rule 183
a. The head frame shall, except in such cases as may be exempted in writing
by the Bureau, be carried to such height as to allow a clearance of at least
eight (8) meters in which the conveyance can travel above the highest
passenger landing place in case of overwind before it collides with any fixed
obstacle excluding contact with any retarding appliances provided in
paragraph (d) of Rule 182.

b. The shaft shall, except in cases which may be exempted in writing by the
Bureau be carried of such depth as to allow an over-run space of at least (8)
meters in which the conveyance can travel below the lowest passenger
landing place in case of an overwind before it collides with any fixed
obstacle, excluding contact with any retarding appliance provided for in
paragraph (d) of Rule 182. Provided that such over-run space need not be
provided in the case of a shaft in the course of sinking or in the case of a
shaft not exceeding three hundred (300) meters in depth where the winding
system does not include the use of a balance rope or a tail rope.

Rule 184 Requirements and procedures regarding examination, testing and use of hoist rope,
tail rope or balance rope are as follows:

a. A winding rope, balance rope or tail rope newly put on, whether new or
previously used and the attachments connecting any such rope to any
conveyance or balance or counterweight shall be carefully examined by a
competent person appointed for the purpose by the superintendent, and shall
not be used in connection with the raising or lowering of persons until the
conveyances loaded with the maximum permitted weight have been run two
complete test trips down and up between the highest and the lowest stopping
places ordinarily in use. The result of this examination and test shall be
immediately recorded in a log book, termed the Rope Record Book, which
shall be open to the Bureau or its authorized representative. The record shall
be signed by the person who conducted the examination and test;

b. The Rope Record Book shall contain the following particulars:

1. Name of manufacturer of rope
Date of manufacture of rope

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Date rope put on
Name and type of shaft
Name of compartment
Winding plant certificate number
Coil number of rope
Length of rope in meters
Weight of rope per meter, in kilograms
Diameter of rope in centimeters
Width and thickness of rope in centimeters
Construction of rope:
Type and length of lay
Number of strands
Class of heart of rope
Lubrication
Construction of strands:
Number of wires
Diameter of wires
Class of core
Class of steel in wires
Tensile strength of steel
Breaking load of rope
Rope test certificate number and place test

ii. Dates of recapping rope
Dates of testing rope
Breaking load of each test
Dates of shortening rope
Dates of turning rope end for end
Date rope taken off
Dates of annealing or renewing rope connections

c. The records shall be examined and countersigned by the examiner
appointed as soon as practicable after any entry is made.

d. When anew winding rope, balance rope or tail rope to be used in connection
with the raising or lowering of persons is put on, the particulars specified in
paragraph (b) (i) above shall be forwarded to the Bureau in duplicate.

e. When a winding rope, balance rope or tail rope, which has previously been
in use and which is to be used in connection with the raising or lowering of
persons is put on anew, the particulars specified in paragraph (b) (i) and (b)
(ii) above shall be forwarded to the Bureau in duplicate.

Rule 185 Where the winding system is such that it allows the periodical testing of the winding
rope as required by Rule 200, 201, 202, and 203 and a balance rope or tail rope is

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Rule 186

Rule 187

2018 Coal Mine Safety and Health Rules and Regulations

not used, no winding rope shall be used for the raising or lowering of persons or
material if the breaking load at any point in the rope is lower than:

a. Ten times the effective load of the combined weight of the conveyance and
its attachment and the maximum permitted number of persons or load of
material, or

b. Nine times, the effective load of the combined weight of the conveyance
and its attachments and the maximum permitted load of material, or

c. Five times the effective load of the combined weight of the rope between
the headgear sheave and the lowest working point of the conveyance, the
conveyance and its attachments and the maximum permitted number of
persons or load of material, or

d. Four and one-half times the effective load of the combined weight of the
rope between the headgear sheave and the lowest working point of the
conveyance, the conveyance and its attachments and the maximum
permitted load of material, or

e. Nine-tenths of the initial breaking load of the rope, whichever is the highest.

For purpose of this sub regulation: "effective load" shall be the static weight in the
case of a winding rope operating in a vertical plane, and it shall be 1.05 times the
vertical component of the static weight in the case of a winding rope operating in
an inclined plane and "attachments" shal! include everything suspended from or
attached to the conveyance other than the winding rope.

Where the winding system is such that it allows the periodical testing of the winding
rope as required by Rules 200, 201, 202 and 203 and a balance rope or tail rope is
used, no winding rope shall be used on the winding engine for the raising or
lowering of persons or materials, if the breaking load at any point in the rope is
lower than that permitted in writing by the Bureau, or nine-tenths of the initial
breaking load, whichever is the highest.

Where the winding system is such that it does not allow periodical testing of the
winding rope, as required by Rules 200, 201, 202 and 203, no winding rope shall
be used on the winding engine for the raising or lowering of persons or materials if
the breaking load at any point in the rope is lower than one and one-half times that
is specified in sub-paragraph (c) or in subparagraph (d) of rule 185, or nine tenths
of the initial breaking load, whichever is the highest: Provided that the Bureau may
in consideration of the depth of wind or the multiple system of winding ropes used,
permit a winding rope to be used on such winding engine with such lower breaking
load as he may specify.

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Rule 188

Rule 189

Rule 190

Rule 191

Rule 192

Rule 193

Rule 194

Rule 195

Where a winding engine not used for the raising or lowering of persons or materials
operates in a shaft or winze where persons are regularly conveyed, no winding rope
shall be used on such winding engine if the breaking load at any point in the rope
is lower than the minimum permitted for similar winding system in Rules 185, 186
and 187.

No balance rope or tail rope shall be used in any winding system in a shaft or winze
where persons are regularly conveyed if the breaking load at any point in such rope
is lower than six times the effective load of the combined weight of the rope and
one-half the weight of the tail carriage, if any, or lower than nine-tenths of the initial
breaking load of the rope, whichever is higher.

In case of winding engine erected before approval of this Circular, where the
winding arrangements are such to render any provision of Rules 185, 186, 187, 188
or 189 onerous, the Bureau may grant exemption therefrom under such conditions
as deem proper.

No trolley, trailer or other conveyance shall be attached to a conveyance operated
by a winding engine in a shaft or winze where workers are regularly conveyed
unless permission in writing has been obtained from the Bureau under such
conditions as may be imposed.

No cage, skip or other conveyance not provided with proper roof or cover on the
end nearest the surface and, if required by the Bureau with safety catches shall be
used for the raising or lowering of persons in any vertical or steeply inclined shaft,
other than persons engaged in sinking operations, conducting an examination,
effecting repairs or doing work therein.

The cage used for raising or lowering of persons shall be designed such that any
portion of a person’s body shail not extend outside the cage to prevent an accidental
contact with the timbering or other equipment or the sides of the shaft. Floors or
doors shall be so fitted that they cannot accidentally open.

The Operator shall fix the maximum duration of the shift to be worked by the
hoisting operator.

The Resident Manager shall appoint in writing competent person or persons whose
duty shall be to examine carefully:

a. At least once a day the winding ropes, the balance or tail ropes, the
connection of the winding ropes to the drums, the connections referred to in
Rule 202, the conveyances 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 depend;

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b. Atleast once a week, the signaling arrangements and the safety devices used
in connections therewith;

c. At least once a week, the guides or rails and the winding compartments
generally including the doors, gates or barriers and auxiliary equipment at
stations and landing platforms;

d. At least once a week, the overwinding prevention devices and the external
parts of the engine:

e. At least once a year, the winding engine as to the working condition of the
internal mechanical parts and, as far as reasonably practicable the internal
electrical parts;

f. At least once a month, at intervals not exceeding forty-five (45) days, the
structure of the winding rope and the balance or tail rope, with a view to
ascertaining the amount of deterioration thereof. For the purpose of this
examination, the rope shall be thoroughly cleansed at place to be selected
by the person making the examination who shall note any reduction in the
circumference of the rope, any variation in the length of the 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 features of the wire which, although
not constituting sufficient reason for condemning the rope, call for more
than usual attention the examination required under the paragraph shall be
made more frequently;

g. Atleast once a month or at intervals not exceeding forty-five (45) days, the
connection between the winding rope and the drum and the connection
referred to in Rule 202.

Rule 196 If any weakness or defect is discovered during an examination as required under
Rule 195, the person conducting examination shall immediately submit a written
report to the Resident Manager. Until such weakness or defect is remedied, the
winding plant shall not be used except as may be necessary while making the repair.

Rule 197 The Resident Manager shall keep or cause to be kept at the mine the following:

a. A Machinery Record Book in which shall contain the name and duties of
each appointed person under Rule 195 to perform the duties mentioned in
paragraphs (a) or (b) of Rule 195. A report of every examination referred to
in said paragraphs shall be recorded and signed immediately in the
Machinery Record Book by the person making the examination. This book
shall be inspected and the reports therein countersigned at least once a week
by the appointed person under Rules 143 and 144.

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Rule 198

Rule 199

Rule 200

Rule 201

Rule 202

b. A Shaft Log Book which shall contain the name and duties of each
appointed person under Rule 195 to perform the duties mentioned in
paragraph (c) of Rule 195. A report of every examination referred to in said
paragraph shall be recorded and signed immediately in the Shaft Log Book
by the person making the examination. This book shall be inspected and
the reports therein countersigned at least once a week by the superintendent.

The superintendent or his duly designated person shall keep in the hoist room a
Hoistman's Log Book, in which shall be recorded in duplicate the following:

a. A 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 hoisting operator for each period of charge,
the time and duration of which are to be recorded;

b. A report of the condition of arrangements together with a record of signals
received by the driver which he has questioned. Such report shall be made
and signed by the hoisting operator for each period of charge;

c. Any special instructions involving the safety of persons given to the engine
driver. Such entry shall be signed by the person giving instruction and
countersigned by the hoisting operator.

Entries on the Hoistman's Log Book shall be inspected and countersigned daily by
the persons appointed to carry out the duties specified in Rule 195, The duplicate
shall be inspected and signed daily by the person appointed in terms of Rule 143
and 144,

Unless the winding system is such that it does not allow the shortening of the
winding rope, a portion of the rope shall be cut from the end attached to the
conveyance, the balance weight or the counter-weight, as the case may be, at
intervals not exceeding six months and the rope recapped. The portion so cut off
shall be of a length of at least four meters or such shorter length as the Bureau may
permit in writing.

From the portion of the rope cut off in Rule 200, an acceptable specimen shall
without delay be sent to the proper authorities for testing. The test shall be at the
expense of the Operator. A certificate showing the result of such test shall be
furnished to the superintendent and made available to the Bureau.

At intervals of not more than six (6) months, the connections:

a. Between the conveyance and the winding rope,
b. Between the conveyance and any other attached conveyance, and,

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Rule 203

Rule 204

Rule 205

Rule 206

Rule 207

D. Signal

Rule 208

Rule 209

c. Between the conveyance and any balance or tail rope, shall be annealed or
given other proper heat treatment or be discarded and replaced; Provided
that exemption from this provision may be granted by the Bureau in the case
of connection of a class of steel, which does not require heat treatment. The
provisions of this paragraph shall also apply to the connection between a
counterweight and the winding rope and between a counterweight and any
balance or tail rope.

A proper record shall be kept of the heat treatment of the connections referred to in
Rule 202 and the person appointed in terms of Rule 143 and 144 shall add to the
record his report on the method and procedure followed in such treatment and his
comments on the results. All such connections and their component parts shall be
clearly marked for the purpose of identification.

In no case shall a winding rope be used from which a weak or defective portion has
been cut and the cut ends spliced.

No winding rope which has previously been in use in any place beyond the control
of the Resident Manager shall be put on anew except with the permission of the
Bureau, upon application made in writing to the Bureau.

At least one spare winding rope suitable for each winding engine in use shall be
kept in reserve on every mine, and shall be at all times ready for use, except when
there are two engines for the same shaft or when the Bureau has in writing granted
exemption from the requirements of this section.

No person shall travel in a conveyance operated by winding engine if such
conveyance is loaded or partially loaded with rocks or coal, and no person shall
travel in a conveyance operated by a winding engine which is simultaneously used
for the winding of rocks or coal: Provided that if authorized by the Resident
Manager, 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 which
is simultaneously used for the raising of coal and other materials underground.

Every shaft or winze fifteen (15) meters or more in depth shall be provided with an
efficient and adequate means of distinct and definite signals between hoist room
and the various points in the shaft where hoisting is being done.

All signals shall be made distinctly, as follows:
a. When the shaft is "ready to shoot", a five (5) bell signal is given to the hoist

operator. He shall acknowledge that he is ready to hoist by returning the
same signal.

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BERR Cate CREE TNE ES BS aby Phot FIC ORR AM Firkeld.O et!

Rule 210

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Rule 215

b. After acknowledgement is made the hoist operator under no circumstances
shall acknowledge any other signal given to him.

Signaling devices shall be protected from falling objects.

Signaling devices in shafts or winzes or stations shall be safe and within easy reach
of the person inside the bucket, cage or skip.

The signal code in use in the mine shall be posted conspicuously in hoist room, at
all shaft stations, and at all places where signals are required. The signal code shall
be plainly printed and of such size as to be easily read at all times.

All signals must be given according to the signal code as determined by the
Resident Manager.

In addition to posting the full signal code at the required locations, there shal! be
placed a separate sign board on which must be displayed in large legible letters the
designation of the station and the corresponding bell signal.

There shall be at least two effective methods of signaling between each of the shaft
station and the hoist room, one of which shall be a telephone or speaking tube.

E. Hoisting Ropes or Cables

Rule 216

Rule 217

The factor of safety of a new cable shall be calculated by a competent engineer by
dividing the breaking strength of the rope as rated by the manufacturers or in
accordance with approved tests on a sample made by authorized agencies, by the
sum of the maximum load to be hoisted, plus the total weight of the rope in the
shaft when fully let out, plus bending and acceleration stresses.

The minimum safety factors shall not be less than those shown in the following:

Table I: Safety Factors of Hoisting Rope

Minimum Minimum
Safety Factor Safety Factor
Depth in Meters of New Rope when rope must be
Discarded
150 or less 8 6.4
151 to 300 7 5.8
301 to 600 6 5.0
601 to 900 5 4.3
901 or more 4 3.6

Excerpt from U.S. Bureau of Mines Bulletin No. 75

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F, Attachment of Hoisting Ropes

Rule 218

Rule 219

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Rule 224

Rule 225

A rope may be attached by means of zinc-filled socket or rope clips or clamps.

Socketing. The method of connecting sockets to cables shall meet the detailed
specifications of the American Standard Association Pamphlet M-11 (pp.29-30).

Rope clips. The standard U-bolt type cables clamps or clips shall be used. The base
of U-bolt shall be in contact with the short end of the rope.

The number of clips required to develop approximately 80% of the strength of a 6
by 19 plow steel rope is shown in the accompanying tabulations:

Table II. Spacing and Number of Clips for Different Size of Hoisting Ropes

Diameter Number Spacing Efficiency of Length of
of Rope of Clips Between Clips Fastening Wrench to use
(mm) (cm) (%) (cm)
6.35 5 11 77.4 45
22.22 5 14 79.1 60
28.57 5 18 80.0 60
25.4 5 15 79.9 60
31.8 6 20 82.1 60
34.92 7 23 - 60
37.65 8 25 - 60
41.27 8 25 - 60
44.45 8 28 - 60
47.60 8 30 - 60
37.65 8 30 - 60

Excerpt from U.S. Bureau of Mines Bulletin

The length of the thimble required for clamped ropes attachment shall be at least
fourteen (14) times the diameter of the rope and eight (8) times the rope diameter
in width.

Every hoisting cable shall be securely fastened.

New rope shall be long enough to permit cutting of the end at least six (6) times.
The cutting of the rope shall be on the point of the last clip at both ends.

Not less than three (3) laps of rope shall be on the drum when the skip, cage or
bucket is at the lowest point of the hoist way after the final cutting and the
installation has been made.

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G. Discarding of Hoisting Rope
Rule 226 The rope shall be replaced and discarded on any of the following conditions:

a. Has six (6) broken wires

b. Wires on the crown are worn out to sixty (60) percent of their original
diameter

c. Sudden decrease in rope diameter

d. Appearance of marked corrosion

e. The actual factor of safety is less than the prescribed minimum factor of

safety of such rope as shown in Table 1.
f. Evidence of undue weakness or other conditions that indicate failure.

H. Sheave and Drums

Rule 227 Sheaves and drums shall be at least as large as the minimum size recommended by
the manufacturers. Good practice requires that the diameter of the drum or sheaves
for wire rope shall not be less than as follows:

Table IIT Diameter of Drum or Sheave with Respect to Size of Rope

Type of Rope Diameter of Drums or Sheaves
For ropes of 6x7 construction 96 times the rope diameter
For ropes of 6x19 construction 60 times the rope diameter
For ropes of 8x19 construction 30 times the rope diameter
For ropes of 6x37 construction 30 times the rope diameter

U.S. Bureau of Mines Publication (Miner's Circular No. 54, 1965)
Rule 228 Fleet angles of one and half (1 1/2) degrees or less shall be used.

Rule 229 Proper lubrication of the rope shall be done.

Section 8: Shafts and Slopes

A. General Provisions

Rule 230 All shafts shall be provided with shaft doors, gates, guard rails and other protection
as may be necessary and shall be kept closed at all times when not in use.

Rule 231 No stoping shall be done closer than fifteen (15) meters from any active main shaft.

Rule 232 All shafts and winzes shall be provided with ladder ways when the inclination from
the horizontal exceeds twenty degrees.

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Rule 233

Rule 234

Rule 235

Rule 236

Rule 237

Rule 238

Rule 239

Rule 240

Rule 241

Rule 242

Rule 243

Rule 244

Rule 245

Rule 246

2018 Coal Mine Safety and Health Rules and Regulations

All shafts stations, loading and landing places shall be kept clean at all times.

All inflammable materials including gasoline, diesel oil and other petroleum
products shall not be stored at shaft stations or less than fifteen (15) meters radius
from shaft.

In general, the regulations applicable to shafts and are applicable to winzes shail be
adopted as rules for winzes.

When any work is to be done in a shaft, the hoistman shall be notified and informed
as to the nature of the work to be done. Upon completion of the work, a clearance
shall be given to the hoistman by the person in charge of the work.

Workers working in a shaft or winze with an excess of six (6) meters of open space
below them shall wear safety belts with the safety lines secured firmly.

It is prohibited to inspect or work in a shaft alone.

It is prohibited to commence work in shaft until the hoistman has been duly advised
and has turned over the signaling responsibility of the shaft to the repair workers.

No hoisting shall be done in a hoisting compartment while the said compartment is
under repair or inspection. In making shaft repairs, hoisting may be allowed if
required in making such repairs or inspections.

When necessary hoisting shall be done above workers working in a shaft or winze;
double deck bulkheads shall be placed above the working chamber so as to give
adequate protection to workers.

A sign conspicuously marked "WORKERS WORKING IN SHAFT" shall be
placed where necessary or guards shall be placed where required during the time
the workers are at work in the shaft.

All materials lowered or hoisted in shafts shall be properly secured in place.

All shaft timbers shall be cleaned above the point of repair starting at the top and
working down.

Repair work in shaft equipped with cage or skip shall be done from an adequate
platform bolted to the cage or skip with a steel or iron bonnet securely clamped on
the hoisting cable, or a cage with a stationary platform of sufficient strength shall

be used.

When changing skip or cage or doing any other work in shaft, it shall be the duty
of the person in charge of the work to see that appropriate materials are used for

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Rule 247

Rule 248

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Rule 250

Rule 251

Rule 252

Rule 253

Rule 254

Rule 255

platform. A wooden platform shall not be less than ten (10) millimeters thick and
with an opening of not more than five (5) centimeters in width.

When workers are working in shaft, a suitable covering shall be provided to prevent
materials from falling down the shaft. It is prohibited to place tools or materials
near shaft where they are likely to fall.

When workers are working at the bottom of a shaft or winze, the cage, skip, bucket
or other appliances shall never be lowered directly to the bottom but always stopped
about 4.5 meters above until a signal is given to lower them.

If electrical work has to be done in or adjacent to the hoisting compartment of any
shaft, the work shall be done from a cage or skip. If said cage or skip hangs up and
cannot be used, a good bulkhead above the working platform must be provided
before proceeding with the work.

If work has to be done on top of muck in loading pocket, it shall be the duty of the
repairman to notify the station tender who shall then guard against loading while
such work is in progress.

After completion of repair in the shaft, a trial run shall be made of the empty cage
or skip to ascertain whether the shaft is safe and clear.

The Safety Engineer shall] conduct examinations of slope and shaft areas for
hazardous conditions, including tests for methane and oxygen deficiency:

a. Within 90 minutes before each shift;

b. At least once on any shift during which workers are employed inside any
slope or shaft during development; and,

c. Both before and after blasting.

All hazards found during any pre-shift or on-shift inspections shall be corrected
before workers are allowed to enter, or continue to work in such slope or shaft. If
hazardous conditions cannot be corrected, or excessive methane concentrations
cannot be diluted, the area shall be vacated and no workers shall be permitted to re-
enter the slope or shaft until the hazardous conditions have been abated.

No work shall be performed in any slope or shaft, no drilling equipment shall be
started, and no electrical equipment shall be energized if the methane content in
such slope or shaft is 1.0 volume per centum or more,

Diesel-powered equipment used in the drilling, mucking, or other excavation of any
slope or shaft shall be permissible, and such equipment shall be operated in a
permissible manner and shall be maintained in a permissible condition.

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B. Shafts or Winze Sinking

Rule 256

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Rule 265

Rule 266

2018 Coal Mine Safety and Health Rules and Regulations

Hoistman shall always stop bucket about one (1) meter from the shaft bottom and
wait for signal to lower it.

Riding on cross-head or bucket rims shall not be allowed.

When it is necessary to blast in shaft bottom or shaft station, the hoistman upon
receiving the blasting signal shall raise the bucket or skip about one (1) meter and
lower back to former position to acknowledge the signal. He shall not answer any
other signal after this except the signal to hoist workers.

Shaft workers shall stand in the clear when hoisting or lowering bucket in shaft.

Shaft timbers shall be cleaned after each blasting operation and guides and timbers
inspected before doing any other work.

It is prohibited to use open hooks in buckets cage or skip in hoisting.

No bucket or other means of conveyance shall be allowed to leave the top or bottom
of the shaft or winze unless the worker in charge thereof has steadied it.

In shaft or winze sinking, the bucket or other means of conveyance shall not be
filled with loose rock or ground above the level of the brim.

No person shall be allowed to work at the bottom of the shaft unless protected by
an adequate covering extending over the whole area of the shaft, sufficient space
only being left therein for the passage of any sinking cage, skip or other means of
conveyance. In case of vertical shafts, such covering shall be situated not more than
eighteen (18) meters from the shaft bottom. In case of inclined shafts, such covering
shall be situated not more than twenty-seven (27) meters from the shaft bottom.

In the course of sinking a shaft or winze, the ladderway shall be provided within
such minimum distance from the bottom of the said shaft or winze that will secure
the ladderway from damage during blasting. From the lower end of such ladderway
to the bottom of the shaft or winze there shall be provided:

a. Chains, chain ladders or wire rope ladders where the inclination is more
than thirty-five (35) degrees and less than seventy (70) degrees.

b. Chain ladders or wire rope ladders where the inclination is seventy (70)
degrees or more.

Before drilling is commenced in any shaft in the course of sinking, the worker shall
thoroughly wash over all the ground within one (1) meter of any hole to be drilled
with water under a pressure of not less than 2.0 kgs/sq. m or, if the ground to be

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