Code Concrete Masonr

7/28/2019 Code Concrete Masonr

1/40

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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3/40

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


4/40


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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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.


6/40


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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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2

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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3

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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4

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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5

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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6

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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7

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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8

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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9

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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10

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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11

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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12

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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13

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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14

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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15

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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16

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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19

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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20

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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22

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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23

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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26

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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28

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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29

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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30

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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31

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

e: [email protected]

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

Code Concrete Masonr

Documents

Transcript of Code Concrete Masonr