code concrete masonr
TRANSCRIPT
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Government ofWestern AustraliaDepartment ofCommerce
Code of practiceConcrete and masonry
cutting and drilling
2010
CODE
OFPRA
CTICE
CONCRETEAND
MAS
ONRYCUTTING
AND
DRILLNG
CO
MMISSION
c o m m i s s i o n
for occupational
safety and health
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c o m m i s s i o nfor occupational
safety and health
C cc
Concrete and masonry
cutting and drilling
2010
Code of praCtiCe ConCrete and masonry Cutting and drilling
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Code of praCtiCe ConCrete and masonry Cutting and drilling
Foreword
th c cc b h C occ s Hh, v
h Occupational Safety and Health Act 1984 (h osH ac). th c h osH ac b
h bh h C. i c v , v, w x, h h c v h cc hh
c , k c h m Cc h
. t c, h C w bh v c,
h bc q bh .
th C bjcv chv cc vv h v
h wk v W a. th c cc h b v hh
cv c h vw , wh h v
x hv b c.
Scope and application of this code of practice
th c cc wkc W a cv b h osH ac whcc c q . i h b b vv
cc c , c , cc, wk, -
, hh v h , c,
.
Legislative framework for occupational safety and health
The Occupational Safety and Health Act 1984
th osH ac v h , c-, c cc
hh W a. i wkc wh h xc
.
Wh h bjcv v cc j , h osH ac c c , , - , c, , .
th b b h , c , h
wh - c cc c .
Occupational Safety and Health Regulations 1996
th occ s Hh r 1996 (h osH r) cc
q h . th cb hv c,
cc q c hz wk. th w c
v cc.
i h b k h osH r, b c wh.
Codes of practice published under the OSH Act
C cc bh h osH ac v cc c hw c wh
cc h . C cc c x
. Hwv, h vv h ccb
chv c .
a c cc hv h c c ,
, c h , b b b c wh
h h cc .
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Code of praCtiCe ConCrete and masonry Cutting and drilling
i h c cc b k, h:
wh h c cc ;
w h w h v h v c h k.
i h c cc b k, ch w k b
c xc c b .
Note: th b k h wkc cc h c cc.
th osH ac q c h c
v k.
Disclaimer
th c h bc v h bv b b
cc h bc. Hwv, h v h b h h
w b b h vc . th s
h w b b, c hwv, c b
h , v ch b w, c, --
.
i h c: s h s W a c v m, , c, ,
b c h ch h;
c , , , vc, , x
h bc;
c , , b, c, x, j c h.
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1
Contents
Introduction....................................................................................................................3
1. What this code is about .........................................................................................4Wh wk cv? ..........................................................................................................4
Wh q cv? .................................................................................................4
Wh b? ..............................................................................................................4
pcv ch q .........................................................................................5
H q ....................................................................................................................5
2. Risks and hazards ..................................................................................................6
Wh k? .......................................................................................................................6
Wh h hz? ..........................................................................................................6
Wh h k? ................................................................................................................8
3. Risk management ...................................................................................................9
i hz c k ................................................................................9
s : Hz c ..............................................................................................9
s w: rk ..................................................................................................10
s h: C k .................................................................................................10
4. Safe procedures ................................................................................................... 11
dv c ................................................................................................11
Ch cv ch q ..............................11
t c ........................................................................................................12
s q h ...............................................................................................12
5. Specic hazards ...................................................................................................13
Kck-bck .............................................................................................................................13
iv c ....................................................................................................................13
d ....................................................................................................................13
n ....................................................................................................................................14
m k ........................................................................................................................15
Vb ...............................................................................................................................16
Wk hh .................................................................................................................16
C bv h hh .................................................................................................16
ecc .............................................................................................................................17
d c ..........................................................................................................17
d vc .............................................................................................................17
l vc .....................................................................................................18
Wk ......................................................................................................................18
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6. General duties.......................................................................................................19
fw h osH ac h osH r ...............................................................19
s ............................................................................................................................19
s b .................................................................................................................20pbc ........................................................................................................................20
p q .................................................................................................20
7. Cutting and drilling equipment Safe practices ...............................................22
tck- hc/c w w .....................................................................22
f-c cc w .......................................................................................................23
H-h w ...................................................................................................................24
Cc c ...........................................................................................................26
Appendix 1: General principles for managing occupational safety andhealth in workplaces ...................................................................................................28
Appendix 2: Pre-site safety checklist ........................................................................30
Appendix 3: Other sources of information ...............................................................32
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Introduction
p cc c q c w hz, ch
c , xc xh , w kck-bck, b c, w, cc, vb, ,
, h.
m k h-h cc w. th q
h v c h wh w b j c h x w. th c,
c kck-bck, h-bck -, c b c,
c h k j - c cc w.
th b w h k kck-bck j w w wk c h
h b h h b j b. i j b cc, h
h w h c h kck-bck.
iv c, h , c h b, vh h v b wh
hh w, bc h h c c ch h bv h hh.
i, c, v cc c
.
Wh cc c q:
always w h c c ;
always h cc b z c b h c. ovz b
;
neverv h ;
neverwk , k c, ch. u c h wk c b
ch h ;
neverh h-h w hh h h hh; never h-h w v c .
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1. What this code is about
What work is covered?
th c cc v cc vc w hh k h - bv cc c q :
chasing v cc, bckwk h b c w h
c w, cb, h;
wallsawing cc, bck h w v , ww, v,
, , c , v x w;
reinforced slab cutting hh b v c c cc, -
b b, -c cc h c , ch , ,
b ck b;
core drilling cc h c -c cc, b c, -
c, bck h c , cc, b, h, w k . oh c c h ch b , c
xv ch c vc, c ck;
concrete pipe cutting (c ) wh h-h v cc
c w;
brick cutting x w-c cc w bck, , v ;
block cutting h bck h c c
w, wh h-h v cc c w;
safety grooving and texturing k cc, b h c cb
wk , ch h, , bc ;
road cutting w, cv h b-c vc.
What equipment is covered?
th c cc cv:
-b w-c cc w;
w w b cc, , c (c) hc;
w h h h-h, x ck c b c, h b
h v b ;
w c cc h .
Who is responsible?
th occ s Hh ac 1984 (h osH ac) c b wkc
, wk, , c wkc, h c
b q.
e v wk v whch wk x
hz ccb. th c v , c, v
b wk h wk .
Wk k b c h w hh h h, w
c cv ch q c.
s c
19, 20, 21,
23d, 23e
23f h
osH ac
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th occ s Hh r 1996 (h osH r) q ,
cc, - h c wkc cc wkc,
cc, :
ch hz whch h wkc k b x;
h k j h ch hz;
k c c c h k.
Protective clothing and equipment
th osH r c cv ch q (ppe)
c k.
Hwv, v vv cc c q v
ppe, h c h k ch wkc jb.
Bc cv q cc c :
h;
w;
;
c h;
h c;
wh c;
v v c c vb;
wh hz c b , c.
o h v w ch jw. l h w b
c b hz.C q, c w b c b, h b v
ch wh h w b bw .
m ch ppe sc 4 h c.
Hired equipment
p wh cc c q h hv b
h osH ac k b b h h
q vb.
th w h h h ch chc, w h c cc , w h c c w
c , .
m
q
h
sc 4
h c.
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2. Risks and hazards
Who is at risk?
th k j h cc c h h q wh b.
o wh cc h cc c q, c h-h qck-
c w ch, k bc h k xc
q , c, v.
p h cc c q k hv h c bck-
b c hz .
o k wh , c wh wk, hv v cv
wkc c cv cc c
wk c ch cc c q jb.
What are the hazards?
s hz c cc c , hwv h
hz cc v q, ch :
Kick-back, push-back or pull-in h v c h cc c b
c c. th k c j wh h-h qck-c cc
w , c wh ch. th c c x cc w b wch
h , wh h h w h . i h
c w wk cc h k kck-bck. e h
q hv wk cc.
Obstructions or resistance in the material being cut h c c kck-bck, h bck
- v h w. th cc wh q h b c cc whbc c wh h cc ch c b, h
bck .
Crooked or off-line cuts h c c h w b ch kck-bck, h-bck
- c. th c k cc wh h-h w.
Pinched cuts h c wh h bjc b c v, h c v
h h w b, h c h k kck-bck c.
Blunt cutting edges h c b w b b wh h w c
b. i h b x h h c h h h b c, h
b w w qck h, h c bc b.
th x c h b b h , c wh h-h w, c h
k kck-bck, h-bck -.Unsafe grip, stance or stop-start procedures for hand-held saws h c c h w w
c c cc wh h , k bjc h c h w
h .
Worn, misshapen, cracked or damaged saw blades, or the wrong type of blade h c
c h b wbb, vb, h, . g cc
q c h b , b h h
wkc. g h, h, b . B k
wh c , x wh h c bc , bc
c, h c v h h b ch.
Worn blade shaft cc b h w b h jb c c w h
c h c v w b h, w k h.
s
c 5
kck-bck.
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Wrong-size blades h b h , , h w h c
ch z h h cc b c. f x,
b c hck b c, c h k kck-bck
b-h h h b k c.
Hazardous dusts h b c q h
w c c c .
Cc c hh v c x c c c, whch
c h . th c vb, vb h.
C ck c c c h h bch.
Insufcient ow of coolant water h c c vh x bh
, c, j, v b jc hz.
Incompatible anges and blades h c c v b v, w h
k b-h.
Incorrectly secured blades h c b whch h c h w h, whch c c v b v h k b-h.
Inadequate securing of anchor points h c c x w bk
ck .
A beard, loose hair or loose clothing h c c h bc wh v
w b, b h v .
Hand-held saw cutting above shoulder or below knee-height h c c c
c h k kck-bck, h-bck - j.
Cutting concrete pipes h q c c v h v
c, c wh hh w . a cc hz c
h h - c h c c ch h w b,
kck-bck b h j. oh hz c h c c h cc, cc -c vv c
-w h c.
Toxic fumes wh q v, c cb x
h xc c b hz v.
Insufcient guarding cc w cv h h.
Wh ch, c h qc . p wk c h b
h h c c ch w. rv c
c j k.
Electric wires, gas or water pipes x vc, c x c, c h
k , cc, x xc , x.
Power cords wh ch cc-w c q h ch, h b
c . p w c c c cc c.
Uneven or unstable surfaces h c c h kh h h b,
c xc v h b kck-bck.
Wet, slippery oors c w c c .
Obstructions in access ways bck bck wh h h
, wk v c c .
Vibration wh b h vb c b c q
c c v, cc j .
Working alone h c b hz bc h c h v c j.
Noise xcv cc c wkc hz.
r c 5
hz.
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a q h c - b c
- - c c b c
cc. th h b c v h cc c
h wk. a, - - c w c h c
h b c, C 1 d lcc q c ch wk.
What are the risks?
th k k j h c :
w ;
w kck-bck, h-bck -;
--c - c ch;
cc ;
q c; ;
cc;
hz c , ch c , cb ;
, ;
h j;
vb cc, v j;
c hz b h
q vc.
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3. Risk management
Identifying hazards and controlling risks
th osH r q , c wkc :
hz;
k j h;
c hw h k h b c.
th h wk c h b vw, c h
ch h wk v, w ch .
dv k c c h vv c wh h wkc, c
, cc, v, - , wk hh
v.
i wkc wh cc c q , hz c k k h w :
Step one: Hazard identication
i hz h c:
vw c ch q jb;
chck , c, v v ch
q jb;
c c;
c q b ch jb, x chck w b, h, ,
, h , v b b, w , cc b, h ccc ;
chck h x, h c ch b c ;
chck h b c c bc, ch c b
b c;
chck whh h c w q h h h bv
h hh;
xc hz bc c ;
cc c h w b v hz
c;
c b c w, cb, w ;
bjc k h c, ch cc ;
chck bjc k ch h w b c;
chck cc b c q c;
c h ch ck x w w ;
chck cc h c b h b c;
chck cb w b z z, hck, h h b c;
h k c wk b h bc b;
c cc k ;
chck h c w c , c cc
hz;
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chc k ch v c cc c
hv q;
xcv x;
xcv x vb h-h w .
Step two: Risk assessment
a k vv cc h kh v j h
hz, ch h kh :
kck-bck j h bc h b c;
j b c, ch h-h q bv
h hh;
j wh h b v , c, v;
j, cc w c bc cc c w ;
j cc b c b cck .
Step three: Controlling risks
C k b c h k b x
hz.
th osH r k (c cc c
q) h b c b cb . th :
substitution of the plant with less hazardous plant, x x
hh w w -c jb, hh w cc
ch;
modication of the design of the plant, ch w b c hh h hck b c. a c hc
ch hv h c v;
isolation of the plant, x, c bc c - wh
cc c ;
using engineering methods to change physical characteristics of the plant, ch ch
h cc w wh ch ck, c h
h-h w h q bv h hh;
attaching a ventilation system h w xh v h h b
h k xc xh ;
implementing, maintaining and supervising control measures, x
c cc c c cc h jb h ch .
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4. Safe procedures
Developing safe procedures
Hz c k c h b c ch cc c jb, v, c ch
q ch jb.
C , whch c wk c, h b v c wh
h wkc, c , wk, v, ch wkc,
- , hh v.
C h b vw hh:
wkc cc c;
hh c ;
q wk chck;
c, cc - c;
j c;
c .
Choosing and maintaining personal protective clothing and equipment
th ppe c cc c w hz
c wh c , c, , k c q.
sc v ppe h b h ch wkc hh,
h c cc, h c wh w c.
s ppe cc c c h, h
c, b, v c.
e c cc h c , hwv c b
h cc v hz h c, wh
c q c h hz, q h b
v w.
gv h c ch j w c
q. a-vb v, wh c, w v vb
hz r d (wh ).
i c c h c b v b c wk w-h h h, c h c b-b h, , v h
, w spf30+ c. i wk c wh, h w w
hv b wk c b c.
a ch b cb b h wk wh c. o h
w ch h c q h b h b cv
bck.
ppe b c c. s h h
q c , ccb wh .
i ppe h b c , c b h c , h
vcb. d cv ppe b c.
g c c, , ppe v h C
Codes of practice: First aid facilities and services, workplace amenities and facilities and personal
protective clothing and equipment.
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Training and instruction
a cc c q, c h q,
kw hw wk b b c v cc.
th c - , wh hv b h w wkc
hh wk wh h b.
e wk cc c
wk cc v b xc , h cc wk
v b b w .
t wk h c c :
wkc hh;
hz k c wh wk cv;
wk cc c, h (c v),
q h c c;
c q, cc , c c h
q hz-cc ;
hz bc v h wk b ;
cc , c ppe, q wh h q ;
c c;
c v k cc;
c;
, q;
c v c c.
Supplying equipment for hire
u h osH ac, h cc c q k
b v c.
th c b c:
h q, vv -, h-w c;
whch h q h b ;
c c / ;
cc c chck, c whch h q wk ;
k , c b kw k h c b
c c b , whch cv;
c , x c c k;
ppe h h b ;
w whch h q h b .
th wh q b w h cv h
osH r.
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5. Specic hazards
Kick-back
Kck-bck h v v w w h c c. Kck-bck x k h b. th h-h w
k j kckbck. p j c c, , c b. Cc
wh h b c c h c.
Kck-bck h c, c:
w h w ch c h c wh v h w;
c b bjc ch w ;
w b c;
c bv h hh.
i k hc ch c h k kck-bck. th c:
c q cc h jb;
c wk bv h hh;
c c b v b bjc;
b c wk ;
neverv ccv .
a hc ch b c wk c.
Inverted cutting
iv c (c h b, vh) h v b wh h-h
w, bc h h c c ch h bv h hh.
u, v c c bc h b b k h c h
b. th wk h b b .
o h w cc wh v w c w b c, ck- w w h
b ch ck b h b.
W-c w h b cc w h v b v c. i h
w w, w c h c h cc h hh
h .
Dust and gases
Wh cc w xc q, v h b
c. ex c q wh wk c c c .
ecc w c b wh vc b v , hwv h b , cc
c b q .
C c b v h w cc c
q w h k, whch c .
r c b c wh h h cc. i ch c,
c w c wk b, h xc c
bc ch , c b c b.
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th j k c c. th chc h c c
h . s k b . th c h bh,
ch ch . th h hh. th k c
h h. C c (h qz cb cc
c) h b c ccc h (g 1) b h i ac
rch Cc ( cc).
d c bck cc wh b kw c v hh v
c .
Wh -v ch ch h-h w , cv
xc xh q c b q
c hh v.
th h cb x, vb, chc hx h
c c c, cc h.
i c, chc h hz bc b h c
. s c w b c h
h (msds) h b wh ch hz bc.
r cv b h osH r, c wh a/nw Z
s,AS/NZS 1716 Respiratory protective devices b c ccc wh a/
nw Z s,AS/NZS 1715 Selection, use and maintenance of respiratory protective devices.
Noise
excv cc c wkc hz. a h b
b v v v h b x w v v
.
i wk , cc c q w
x xcv h h b.
th h b wk w b k c .
th osH r q , cc - ,
cc, h h wkc x xcv .
th C Code of practice: Managing noise at workplaces v cc vc b
c, x, k, .
a c vb cc c q c xcv wh
.
e, cc, - wk h:
ch h, b h c ;
h b -c w b c jb;
c h q b b vb;
k c vv c v w xcv
;
c cc b c h c h
;
v c b , c, c h
c h c;
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v b wk wh b xcv wh h
c c ccc wh a/nw Z s,AS/NZS 1269.3
Occupational noise management Hearing protector program.
th Workers Compensation and Injury Management Act 1981 Wk C ij
m r 1982 q c h c b
c c . Cc WkCv W a
h .
Manual tasks
1. Requirements
Cc c vv v k h c c
j.
a k cv q c b , v, h, , c v, h
, h, h c h k j h.
Cc c q c wh 30k, h bq h h w h wkw .
th C Code of Practice: Manual tasks v c hz c, k
k c wh h wh h h c q v
h cc.
2. Hazards
m k hz cc c c:
wkw c wk ;
h hh q v x ;
, h, v, h c , q c c cc ;
hz wh h , q ;
v c (kck-bck, h-bck -) b w wh h b k h
bjc c, ch j h c.
3. Solutions
m k c:
c q c h c h
wkw c wk ;
ch h q, c b, wh b;
c h v h q h c c
c ;
wk h h q vv;
v kck-bck, h-bck - b -chck b h w
c w , b c c h c
h bc;
v hz c .
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Vibration
Vb cc c q c c h
wh b h b, ch h h .
Wh b c ck, c c h w .
oh c c , hch, b c jb cc.
H vb c bc h h v vc h
h, r d (wh ), c ch, h, b
h. oh c c c , b j h h,
w, , bw h, c .
pch h q h:
vb hv b h ;
w-bc, h b cb b h h h ( z
h);
h vb-bb h, wh v c h h b c.
W h wh bb c cv c vb x.
gv hv c vb x, hh h c v h q
c b w h b k h w.
Wh cc, cc c q h h h-h
jckh.
i h v vb, h-h jck h h b b
h 30 wk .
Working at height
u cc c q hh c h k . p
q wk hh wh h k b v wh wk
, v , h wk .
Do not operate concrete and masonry cutting and drilling equipment when standing
on a ladder.
a wk hh h b wk , b c. Wh c
cc, v wk h b . acc h wk
h b b: wkw w;
wk ch v wk , c c k.
B c q h, h b h
c h h cc cv.
f h c, h C Code of practice: Prevention of falls at workplaces.
Cuts above shoulder height
Wh h-h q, h h v h bv h hh
h c c c h w, c h k j kck-bck. i c b
c bv h hh, c ch, c h b v qwh c ch c wh x h , wk c.
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Electricity
p w wkc (ch c w cc c ),
c h k cc. i h b v wh w vc c b
cc q h .ex , cc w b k w c q,
w h c b v.
W c h b b hc, c w q, b v
cc w.
th osH r q x cc h vc (ch , w,
w) b bh ( cc w) w hw h c
b wk b.
u b cc q wkc b c h k hck b
c vc (rCd).
a cc q cc c b c
b c .
Cc c c wh a/nw Z s,
AS/NZS 3012 Electrical installations Construction and demolition sites. th q h:
b rCd b cb v whw wk ;
c x h b bv h hh , w
cc wh w .
Note: Do not use electrical cutting or drilling equipment for inverted cutting.
Damage to structures
o h c b k c c c h
b c .
i c ch b c, h b wkc
hh h k.
th , h c cc, h c k h c c h
w c h h c c, .
avc v c h b h c c c.
Damage to services
o k j hv h wk b c hh , cc w
vc. d c cc cc vc.
th b wkc , h c cc, h c k h
c vc , h d 1100 B y d vc b
cc h c v h.
th w h vc h b c ch cc
cc w, h v ch c vc .
i h vc hv b v, c q c b cc wh h
vc w c c b .i vc b c hh, h h b cc. dcc h b c
b h v vc b h wk b. a cc h wk, h vc
h cc h vc , , v h .
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Loss of vacuum pressure
o vc b ch c c k j h
vc wh . th c c vc, whch c h
bk h .
o h:
b w wh cc;
vc ch b , h c b c ;
h q h vc .
Wh vc c cc, h c h hv
cv k h h k c ( w c h c) b h
h.
Working aloneth k j h c wh wk bc c
c q , h h wk h bc bck-
h c .
a b c b wk wh h c b h b h
, c xc v v, h wk b h bc
.
sv wh c h b c wk
wh v wk.
f h h C bc, Guidance note: Working alone.
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6. General duties
Following the OSH Act and the OSH Regulations
s c v wkc cc c c whh osH ac.
th osH ac c , c, , ,
. p ch, , c q. i c c
h v c c.
a k c c h k b. i c b
v w, b h bc h . f h , h
Wks wb, www.wk.w.v.
m cc , cc, h h c h hz
c, k k c c cc jc c, c
k h cc wk c.
m cc h -cc cc hh
ch cc wh v wk, k b wk,
h . th b b wk h cc b k
h jc . ech cc wk h b w
h hw h wk.
d wh b c cc hh v
h bc National standard for construction work Guidance for main contractors and people with
control of construction work, vb h Wks wb.
Site safety
o c h k c h b c b c . C h b v :
wh v c k c ;
cc h ;
bc, xc z w ;
cc hh c h wk b ;
whh h q b h wk, w b cc
c c;
v rCd cc q;
v c c c; cc w v c bc
. r h b cc v c q;
q ppe vb h wkc.
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Site responsibility
th c h h :
wk b ;
c vc c k vc cc; xc c c h c k;
c q h cc c;
c c w w ;
b, bc w c;
h wk q v b ;
q h vb v;
cc hz hv b wk c, ch c
h wk v wk ;
w c c cc v.
Public safety
i c b c bc c, h c v h w
q c c h bc v h wk .
lc v h osH r c q ch :
c h;
bc c h wk c v vhc ;
w c h wh c;
h h , b h hw, x h , b h ;
v v whch cc h .
Plant and equipment safety
th , cc w w, w w, h-h w c h h
q h jb b c b.
th h chck h c h c q b ch jb
h ch, w b, b, c, , , hc h, cc
h c wk .
th , cc, w h h , h h chck:
h chck, c q c c
h q wk ;
c c, , c, c q ccb
h h q wk ;
h c b h cc z h ch. ovz b h b
ccc;
h c b x c wh h c c h
b c ;
b b h b k c bv , ch b,
bck wk , w x; h b wk c, cck ;
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h c b ch h w v . o c b, h
v () h , h b ;
h h c, , ;
h b c v h h;
h h h v h ;
h b wk ;
h v b h cc ;
w c, q c w vb;
w hz wk w v, hv wk h k. i
h-h w , h b b ;
k h h k;
h v c c c v;
h q c h w wh rCd;
h bh h c bc w wh c hh
w v h ;
v c c wh -v w ;
ppe v w, wh k h b .
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7. Cutting and drilling equipment Safe practices
Track-mounted hydraulic/pneumatic wall saw
Preparation:
xc z bh h b w v h h
h wkc b j h v h h b h;
b c h c c xc w , b v wh
w vc c;
h b c c (c b c), h c
;
c- -k wh w c k ;
h w-w ck h h h c b c , w x
ck h h w h;
h h h c chck c b h ;
v, w c h ch c c b;
b h wh x ck h w, b - ch;
h w b c h q h c chc c;
v chck h w ck k h c;
chck h hc .
Operation:
h h w h h h b wh h ch;
h x w b ( b) 730 wh k h c. Wh
ch c b, h b wh h v c b c ;
v h b v h c c b h c
h v vwk h w;
w wh h b h c h c
v c;
h j ch h c b h b h h h w
b c;
h wch h w c . th h qck w
h b h w ;
wh h , h c k h h h h x
b k c 210 h c ;
h w h h x b h c b j wh h
c b h h b;
cc h chq wh h w w h ;
cc bck c c ch v v;
h h bck h w, wh h b c wh c hh, c
v j h ;
c w c h ;
ppe w;
cc c h c b c w w ;
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h h hc h k c ;
h hc h b cc, wch h w w h
c;
h c wh h w b x w
v, jc , ch c;
h ch , h b , h ch wch , h
chck h;
h w ck h w b v b h c h
h ;
wh c h b h w, h w v wh h vv h
h b ;
b v , c wh ;
v , c, v cc
w .
s w hv h ck wch h h b wh
h ch. i h h ck , b c c w
h ch j. m cc w h hv h ck.
Floor-cut concrete saws
Preparation:
f w h b v h hv wk k .
p v c c h w w c,
xc h b ch h w.
th b h b h b h ch.
Operation:
c h ;
w h jb cc c q;
w, c h b c, h w
v j h b;
cc w, w h b h c w c c w;
c h c h b cb h c;
v h b v h c c b h c
h v vwk h w.
Suspended slab removal
Hz cc b b c w h hv -c c v h
h h c h b b c c b bh b
c v v.
a c c h h q h b.
Bc h b c b c h vv hv cc.
th b h b c bck z h c b b c vc v b
.
a b h b c bh h c c c w c b
v b w vc c c b.
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Hand-held saws
Hand-held concrete saws should be used only in situations where the use of a self-supporting
saw is not practical.
H-h cc w b -v, cc hc . d
k ch w, h hv b v ch w h cc w ch.
th w xv b . th q h hv
c hz. d h c , h k c j h h
- cc c q.
th k b b wh hv cv c , c,
v.
B h-h, h kck-bck, h-bck - v.
Bc h v, h k c hz b- .
th c h q c .
Wh h, h k j hh.
o j cc h h w - c.
Ch q cc ch c h k.
Inverted cutting a major hazard
iv c h h cc w b c vh ,
c hz b cc .
iv c vv h q h b h b hh k
kck-bck z.
Kck-bck bc v bb h cc c h bc c,
x c h.
a hz cc wh cc w v c, c w w
h c c cc.
nv h-h w v c. th bb h w
h-h cc w.
d cc bc h c h w b v c v w
h , c h k kck-bck h-bck.
th c w c h hz b cc.
Case study
a w k W a wh h-h w c hh c
-c cc . th w h h
h h, c h b b .
p h - c h c ch h w b, c kck-bck.
iq hw h, bc h w b w b h c c, h w
-c -w .
n h k c ch c wh h x, b h w b hz c h q w b h h
kck-bck c.
pch h w c hv c h c h kck-bck.
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Preparation:
h h b h-h h - h;
h h b b bh h h ;
w h b h cc h wk, c k j; b h b ;
w bc q h hv -vb h- h cb
v c . a bc ch h q h h b c
h b vb c wh , k h
cc, v j;
cc c bv c h b h b c,
c b h c, h hv c h c;
hz c, h w h b cb c h-- w -h wh
hv h b ;
c c- wch h b ; c h hv cc h c ;
bh h -c c v h , whch h b b h
c, cc, b w ;
chck h w -cc w ( h x) w h
c cb, w, b, c c c;
b c h h chck;
h h wkc h c b b;
c h wh n W d d d c;
c h w w v jc ;
h b wh h w wch w w h wk ;
, c j c;
chck h c h c wk c;
chck h c v. Wh , c hc-v
w; b c , xh v
v;
cc wh w vc c ;
c bv h hh. ah hh h b c;
h hc ch c v w ck h
cc v;
chck c ;
cc cb bv h v;
wh h ch, h h h w h h h b,
h h h b ch bjc;
h w h b h cc b cc
c;
bh h h ch wh c;
v v ch ;
v c c h ch h , ch bw hz vc c,
wh ;
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h h (h h h b ) h q;
c h b w cbb , , w cc
w q;
wk h h wk ch b
c.
Operation:
k h c wh w c k;
wh c, wh h h, h b bc h bck c
vc;
h h h wh bh h ;
v c bh h w;
h h v bv h hh, wh vc wk bv
1.7 c ;
wh c hz c w, h h h b w v;
w v b c h ch. W b c;
c , h w w c w k c h w q
h b;
k h c b 25-50 b h c;
wh c , k h c h b h bw c;
c , h b c h chc h q h b
cc h ;
-c ch c b, h b wh h v c b
c;
h ch h wk. d h h ch;
b v h b k wh wh c
cc;
h h b j .
Concrete core drilling
Cc c , w, vv c cc h v c w
vc ch cc, b, h, w k .
th c vv b h cc c b c-.
d wh cc b, w h cc h w h h
c , v k h b c.
th c c c q, h c h q
cc-v.
Preparation:
k hv b c cc cb;
chck cc q h c c wh h osH r;
cc cb bv v;
chck chc c;
ch w cb wh rCd;
c bc c - wh ;
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h bw hz b, wh h d d d
;
c bc .
Operation:
h hv b k c v;
c h c wh ch b h ;
h ch x, wh v h . a w
b w h h;
ch h h , k c;
v ch h c h wh h ;
h h w ; h b ch hh ;
w h h b k h b c;
cv v c h, wh w x cc h osH r;
v c v hz;
v v h cc h q wh cc
w cc . u hc v q v.
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Appendix 1: General principles for managing occupational safetyand health in workplaces
th osH ac bjcv v cc hh . i
b b q h osH r. th h b v c cc c . th v wk
c bw.
OCCUPATIONAL SAFETY AND
HEALTH ACT 1984
mj v:
;
;
hh v;
hh c;
c h osH ac h osH
r.
OCCUPATIONAL SAFETY AND
HEALTH REGULATIONS 1996
th osH r
q cc hz wk
cc. th c c :
national standards v b s
Wk a;
Australian and Australian/New Zealand
standards v b s
a j b s a
s nw Z.
GUIDANCE MATERIAL gc c:
codes of practice v W
a ccc wh sc 57
h osH ac;
guidance notes v b h
C occ s
Hh;
national codes of practice and national
standards v b s Wk
a;
Australian and Australian/New Zealand
standards v b sa j b s a
s nw Z.
The general duties an overview
th osH ac c , whch cb h b wh c
hh wk. e , ccb:
v wkc wk h wk x hz;
v wk wh , c, v w h wk
;
c c- wh hh v hh wk;
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v q ppe wh hz c b ;
c c b .
Wk k b c h w hh wk h
hh h c b h wk.
s- k b c h w hh wk ,
ccb, h wk c h hh h.
d, c, h h ,
wkc. s hh b wh
bc wk.
d b b c wkc , ccb,
h cc, , , vc h b c
x hz.
th C Guidance note: The general duty of care in Western Australian workplaces v
h c.
The meaning of practicable
s h v h osH ac q h osH r
q b h h ccb. pccb ,
- , wh c wkc, , c, , ,
c , c q h osH r.
th xc k ccb b c wh h
q.
i h ccb, cb b . Whh b k cc:
h v j h hh h cc;
h k ( kh) h j h cc; hw ch kw b h hz h w c, c ;
h vb, b c h .
th k v j b wh h v c b h
v h k.
C cc kw hh h v k cc wh j
whh b ccb. iv c c h h
kw wh b c hz h hz w kw b h h ,
w vb.
th c c h cqc . i
whh h c h c c.
i c, cb c b . C h b
:
c h k hz wk c h c j
;
c h k x hz bc.
Wh c c, xc v , c wh
h k , q b v, j.
Wh x q b h w ccb, h
b c wh q.
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Appendix 2: Pre-site safety checklist
Site and equipment safety
Cc : _____________________________________________________
t jb: ___________________________________________________________
s c: __________________________________________________________
o : ______________________________________________________
Check the SITE for SAFETY
o v h , ck h cc w wh v h jb. i h w no, h
. a h c.
YES NO COMMENT
SITE EVACUATIONChck wh c _____________________________
lc /ccb _____________________________
SCAFFOLDING
ec q _____________________________
SERVICES located/marked
ecc _____________________________
g _____________________________
W _____________________________
oh _____________________________
VENTILATION
aq _____________________________
LIGHTING
lh c _____________________________
CONTROL/PUBLIC SAFETY
Bc _____________________________
W _____________________________
tc c c _____________________________SAFETY EQUIPMENT
s q c,
c _____________________________
FALL PROTECTION _____________________________
HAZARDOUS SUBSTANCES _____________________________
SAFE SYSTEM OF WORK _____________________________
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Check the EQUIPMENT for SAFETY
o , ck h cc w wh v h jb q. i h w no h
. a .
YES NO COMMENT
FLOOR SAW
sh c _____________________________
B _____________________________
aq w ww c _____________________________
f c _____________________________
g c _____________________________
HAND-HELD SAW
B c _____________________________
f ck c _____________________________
W q _____________________________
g c _____________________________
WALL SAW
tck c _____________________________
B c _____________________________
Jb w/c _____________________________
WIRE SAW
p c _____________________________
Hc cc _____________________________
DRILLS
ecc wch, _____________________________
W c b _____________________________
C c h b _____________________________
BLADE AND BITS
n c v _____________________________
B cck
_____________________________B h h z h
h h ch _____________________________
a c _____________________________
ELECTRICAL LEADS
p c _____________________________
o c c _____________________________
Cc _____________________________
rCd _____________________________
l _____________________________
th Jb s a (Jsa) x -cc h
k c h wkc hh k c.
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Appendix 3: Other sources of information
Occupational safety and health laws and regulations
th Occupational Safety and Health Act 1984 h occ s Hh r1996 c b cc ch h s lw pbh wb www..w.v.
ch b h (08) 9426 0000.
Commission for Occupational Safety and Health publications
Codes of practice: First aid facilities and services, workplace amenities and facilities and personal
protective clothing and equipment.
Code of practice: Managing noise at workplaces.
Code of practice: Manual tasks ( b bh 2010)
Code of practice: Prevention of falls at workplaces
Guidance note: General duty of care in Western Australian workplaces
Guidance note: Working alone
C bc vb www.wk.w.v. ch b cc
Wks 1300 307 877.
Australian and Australian/New Zealand Standards
a a/nw Z s c b ch sai gb
www.b.c. C h h Wks b.
AS/NZS 1269.3 Occupational noise management Hearing protector program
AS/NZS 1716 Respiratory protective devices
AS/NZS 1715 Selection, use and maintenance of respiratory protective devices.
AS/ANZ 3012 Electrical Installations Construction and demolition sites
Contacts for further information
WorkSafe Division
Department of Commerce
lv 5, 1260 H s, W ph W a 6005
t: 1300 307 877
e: @cc.w.v.
Wb: www.wk.w.v.Chamber of Commerce and Industry Western Australia
180 H s, e ph W a 6004
t: (08) 9365 7415
fx: (08) 9365 7550
Wb: www.ccw.c
UnionsWA
lv 4, 445 H s, ph W a 6000
t.: (08) 9328 7877fx: (08) 9328 8132
e-: @w.c.
Wb: www.w.c.
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DP1037/200
Reprinted May 2010
ISBN 978-1-920836-45-0
ISBN 978-1-920836-46-7 (web)
Comprehensive work safety and health information
provided by the Department of Commerce can be found at:
www.worksafe.wa.gov.au
Westcentre 1260 Hay Street West Perth
PO Box 294 West Perth 6872
Telephone: 1300 307 877
Facsimile: (08) 9321 8973
National Relay Service: 13 36 77
Email: [email protected]
c o m m i s s i o n
for occupational
safety and health
DP0314/2010/May20