AATC SPEC 114012

CONTENTS

PAGE

CONTENTS

PAGE

1

1

SCOPE

SCOPE

2

2

2

2

TECHNICAL

TECHNICAL REQUIREMEN

REQUIREMENTS

TS TO

TO BE

BE SPECIFIED

SPECIFIED BY

BY THE

THE ENGINEER

ENGINEER

2

2

3

3

DEFINITIONS

DEFINITIONS

2

2

4

4

REQUIREMENTS

REQUIREMENTS

3

3

4.1

4.1

W

W

ELDINGELDING

C

C

ONSUMABLESONSUMABLES

3

3

4.2

4.2

C

C

ERTIFICATIONERTIFICATION

3

3

4.3

4.3

M

M

 ATERIA ATERIA LSLS

3

3

4.4

4.4

M

M

 ATERIA ATERIA LSLS

S

S

UBSTITUTIONUBSTITUTION

3

3

4.5

4.5

C

C

ORROSIONORROSION

P

P

ROTECTIONROTECTION

4

4

4.6

4.6

D

D

RAWINGSRAWINGS

4

4

4.7

4.7

C

C

ONSTRUCTIONONSTRUCTION

4

4

4.8

4.8

W

W

ELDINGELDING

5

5

4.9

4.9

S

S

PAN OFPAN OF

G

G

RATINGRATING

5

5

4.10

4.10

T

T

OLERANCESOLERANCES

6

6

4.11

4.11

P

P

 ANEL ANEL

S

S

IZEIZE

6

6

4.12

4.12

F

F

LOORINGLOORING

P

P

 ATTERN ATTERN

8

8

4.13

4.13

F

F

IXING OFIXING OF

F

F

LOORLOOR

G

G

RATINGRATING

P

P

 ANELS ANELS

9

9

4.14

4.14

L

L

 ANDING OF ANDING OF

F

F

LOORINGLOORING

12

12

4.15

4.15

B

B

 ANDING ANDING

13

13

4.16

4.16

K

K

ICKICK

P

P

LATESLATES

15

15

4.17

4.17

S

S

TAIRTAIR

T

T

READREAD

16

16

4.18

4.18

F

F

LOORINGLOORING

P

P

 ANELS ANELS

17

17

4.19

4.19

C

C

LOSING OFLOSING OF

E

E

XISTINGXISTING

R

R

EDOUNDEDEDOUNDED

E

E

QUIPMENTQUIPMENT

O

O

PENINGSPENINGS

24

24

4.20

4.20

H

H

 ANDRAIL ANDRAIL INGING

25

25

5

5

QUAL

QUALITY

ITY ASSURANCE

ASSURANCE PROVISIONS

PROVISIONS

37

37

5.1

5.1

Q

Q

UALITYUALITY

M

M

 ANA ANAGEMENTGEMENT

37

37

5.2

5.2

Q

Q

UALITYUALITY

P

P

LALANN

37

37

5.3

5.3

T

T

ESTEST

F

F

 ACIL ACIL ITIESITIES

37

37

5.4

5.4

II

NSPECTIONNSPECTION

37

37

6

6

TEST

TEST AND

AND INSPECTION

INSPECTION METHODS

METHODS

37

37

7

7

MARK

MARK ING

ING AND

AND IDENTIFICATION

IDENTIFICATION

37

37

7.1

7.1

G

G

ENERALENERAL

37

37

7.2

7.2

S

S

TAMPTAMP

II

DENTIFICATIONDENTIFICATION

37

37

7.3

7.3

M

M

 ARK ARKINGING

38

38

 APPENDIX A:

 APPENDIX A: RELA

RELATED DOCUM

TED DOCUMENTS

ENTS

39

39

 APPENDIX B:

1

SCOPE

1

SCOPE

This specification details the Anglo Coal South Africa requirements for the design, This specification details the Anglo Coal South Africa requirements for the design, fabrication, installation and maintenance of open grid grating for floors, stairways and fabrication, installation and maintenance of open grid grating for floors, stairways and handrailing.

handrailing. It is not iIt is not i ntended for mobile machineryntended for mobile machinery..

2

2

TECHNICAL

TECHNICAL REQUIREME

REQUIREMENTS

NTS TO

TO BE

BE SPECIFIED

SPECIFIED BY

BY THE

THE ENGINEER

ENGINEER

The following requirements shall be specified on all invitations to tender, contracts or The following requirements shall be specified on all invitations to tender, contracts or orders:

orders: 

 Number, Number, title, title, date date and and issue issue of of this this specificationspecification 

 Number, Number, title title and and issue issue of of the the relevant relevant AAC AAC drawingsdrawings 

 Type Type of of material material to to be be used used in in the the manufacturing manufacturing of of flooring flooring (Commercial (Commercial quality,quality, grade 350W, 3CR12 or stainless steels - see clause 4.1

grade 350W, 3CR12 or stainless steels - see clause 4.1 

 Size Size of of flooring flooring (pitch (pitch of of bars, bars, height height and and widths widths of of bearer bearer bars bars and and dimensions)dimensions) 

 Corrosion Corrosion protection protection requirementsrequirements 

 Panel Panel fastening fastening methods methods (fixing (fixing clamps, clamps, bolts bolts or or clips)clips) 

 Banding Banding required required (see (see Clause Clause 4.6.6)4.6.6)

3

DEFINITIONS

3

DEFINITIONS

For the purpose of this specification the following definitions shall apply: For the purpose of this specification the following definitions shall apply:  APPROVED

 APPROVED :: Approved by tApproved by the Engineer ihe Engineer in writingn writing B

BS S :: BBririttiish sh SStatandndarardd

SA

SANS NS :: SoSoututh h AfAfricrican an NaNatitionaonal l StStandandardardss QUALITY ASSURANCE

QUALITY ASSURANCE REPRESENTATIVE (QAR) REPRESENTATIVE (QAR)

:: An iAn indendepenpendendent inst inspecpectiotion agen agency ancy appoppoininted bted by they the Engineer.

Engineer. LOAD

LOAD-BE-BEARIARING NG BAR BAR :: (Or (Or bearbearing ing bar, bar, carrcarrier ier bar, bar, spaspan n bar)bar). . The The load load carrcarryingying member running between supports.

member running between supports. TRA

TRANSVENSVERSE RSE BAR BAR :: MemMember ber at at righright t anglangles es to to the the load-load-bearibearing ng bars bars to to provprovideide lateral restraint.

lateral restraint. PITC

PITCH H :: The The distdistance ance centcentre re to to centcentre re of of loadload-bear-bearing ing bars bars oror centre to centre of transverse bars.

centre to centre of transverse bars. BAND

BANDING ING :: A A bar bar of of equal equal deptdepth h and and thickthickness ness to to the the loadload-bear-bearinging bars which is welded to the grating.

WIDT

WIDTH H :: OverOverall all dimdimensiension on of of a a gratigrating ng panel panel measmeasured ured at at righrightt angles to the

angles to the load-bearing bars.load-bearing bars. LEN

LENGTH GTH :: OveOverall rall dimdimensension ion of of a a gratgrating ing panepanel l meameasuresured d paraparallellel l toto the load bearing bars.

the load bearing bars. NOSI

NOSING NG :: (Or (Or sighsighting ting edgeedge). ). A A specspecial ial non-snon-slip lip edgiedging ng weldwelded ed to to thethe front edge of a

front edge of a stair tread or landing edge.stair tread or landing edge. KIC

KICK K PLAPLATE TE :: A A flaflat t bar bar weldwelded ed to to the the end end or or sidside e of of a a flofloor or panepanel,l, projecting 100 mm minimum above the grating. projecting 100 mm minimum above the grating. SID

SIDE E PLAPLATE TE :: A A flat flat plaplate te weldwelded ed to to the the ends ends of of a a staistair r treatread d and and dridrilledlled for bolting to the stringer.

for bolting to the stringer. STA

STAIR IR TRETREAD AD :: A A rectrectangulangular ar pattepattern rn bar bar gratgrating ing with with an an abrasabrasive ive nosinosing.ng. The following terms are defined in

The following terms are defined in the General Conditions of Contract:the General Conditions of Contract: 

 AAC, AAC, Company, Company, Contractor, Contractor, EngineerEngineer

4

REQUIREMENTS

4

REQUIREMENTS

4.1

W

4.1

W

ELDINGELDING

C

C

ONSUMABLESONSUMABLES

Shall comply with the requirements of SANS 1200H. Shall comply with the requirements of SANS 1200H.

4.2

C

4.2

C

ERTIFICATIONERTIFICATION

Chemical composition and mechanical properties certification of materials shall be Chemical composition and mechanical properties certification of materials shall be submitted to the Engineer on request.

submitted to the Engineer on request.

4.3

M

4.3

M

 ATERIA ATERIA LSLS

 All materials shall comply with the f

 All materials shall comply with the f ollowing specifications, whollowing specifications, whichever is applicable:ichever is applicable: 

 Steelwork Steelwork - - SANS SANS 1431 1431 – – Grade Grade 350 350 WAWA 

 BS BS 1449 1449 and and shall shall have have a a minimum minimum yield yield stress stress of of 220MPa 220MPa before before manufacturemanufacture (commercial flooring quality and Stainless Steel)

(commercial flooring quality and Stainless Steel) 

 AAC AAC Specification Specification No No 114002 114002 – – Appendix Appendix B B (3CR12)(3CR12)

4.4

M

4.4

M

 ATERIA ATERIA LSLS

S

S

UBSTITUTIONUBSTITUTION

Materials shall be as specified on the relevant approved drawings. Substitution of Materials shall be as specified on the relevant approved drawings. Substitution of materials shall not be permitted without approval. Additional costs of approved materials shall not be permitted without approval. Additional costs of approved substitutions shall be borne by the Contractor.

4.5

C

4.5

C

ORROSIONORROSION

P

P

ROTECTIONROTECTION

Corrosion protection shall be by hot dip galvanising to SANS 121/ISO 1461. For Corrosion protection shall be by hot dip galvanising to SANS 121/ISO 1461. For particularly corrosive environments it is recommended that the flooring panels be hot dip particularly corrosive environments it is recommended that the flooring panels be hot dip galvanised to SANS 121/ISO 1461 followed by dipping in black bitumen in accordance galvanised to SANS 121/ISO 1461 followed by dipping in black bitumen in accordance with the requirements of SANS 1137.

with the requirements of SANS 1137.

Should any shaping of the panel be carried out after the application of the corrosion Should any shaping of the panel be carried out after the application of the corrosion protection, the appropriate area shall be made good by wire brushing and hand painting protection, the appropriate area shall be made good by wire brushing and hand painting two coats of

two coats of ZincZinc Chromate Type 1Chromate Type 1, complying with SANS 679. If the panel also had a, complying with SANS 679. If the panel also had a coat of bitumen before shaping, the two coats of Zinc Chromate Type 1 shall be followed coat of bitumen before shaping, the two coats of Zinc Chromate Type 1 shall be followed by one coat of bitumen.

by one coat of bitumen.

4.6

D

4.6

D

RAWINGSRAWINGS

Drawings shall comply with the requirements of AA Specification 114001. Drawings shall comply with the requirements of AA Specification 114001.

4.7

C

4.7

C

ONSTRUCTIONONSTRUCTION

Grating shall be of the open grid type with non-skid characteristics. Grating shall be of the open grid type with non-skid characteristics. 4.7

4.7.1 .1 Load–bearing Load–bearing bar bar or or bearer bearer barbar is the load carrying member running between supports.is the load carrying member running between supports. 4.7.2

4.7.2 TransTrans versvers e e bar bar   is the member at right angles to load bearing bars to provide lateral  is the member at right angles to load bearing bars to provide lateral restraint.

restraint. 4.

4.7.7.3 3 MaMaximum pitch of ximum pitch of bars bars (unless (unless otherwisotherwis e e specified specified on on the the approved approved drawings), drawings), shallshall be:

be:



 Load-bearing Load-bearing barsbars - - 50 50 mmmm



 Transverse Transverse barsbars - - 50 50 mmmm

4.

4.7.7.4 4 The The minimum minimum thickthick ness:ness: of a load bearing bar shall be 4,5mm.of a load bearing bar shall be 4,5mm. 4.7

4.7.5 .5 The The overall overall heightheight :: of a bearer bar shall be one of the following as specified by theof a bearer bar shall be one of the following as specified by the Company:

Company: 

 30 30 and and 40mm40mm

Grating shall not be repaired. Damaged panels must be replaced. Grating shall not be repaired. Damaged panels must be replaced.

Grating shall not support any form of equipment (e.g. pipe bracket, lifting slings etc.) Grating shall not support any form of equipment (e.g. pipe bracket, lifting slings etc.)

4.7

4.7.6 .6 Grating Grating ReplacementReplacement

Where the surrounding panels have deeper bearer – bars the new panel shall have the Where the surrounding panels have deeper bearer – bars the new panel shall have the same depth.

same depth.

Where the surrounding panels have bearer – bars with a depth of less than 30mm Where the surrounding panels have bearer – bars with a depth of less than 30mm sufficient panels shall be replaced to blend smoothly into 30 mm deep bearer – bars.

sufficient panels shall be replaced to blend smoothly into 30 mm deep bearer – bars.

By this it is intended that all panels up to a natural break in the floor, where a change in By this it is intended that all panels up to a natural break in the floor, where a change in panel depth will not be noticed, must be replaced.

panel depth will not be noticed, must be replaced.

4.7.7 Dimensions:

4.7.7 Dimensions: of panels shall be as specified on the approved drawings or by theof panels shall be as specified on the approved drawings or by the Company.

Company.

4.8

W

4.8

W

ELDINGELDING

Welding design shall comply with the requirements of SANS 0162 and welding practice Welding design shall comply with the requirements of SANS 0162 and welding practice shall comply with the requirements of BS 5135.

shall comply with the requirements of BS 5135.

Every third bearer bar shall be welded on one side only to the banding, kick plate or side Every third bearer bar shall be welded on one side only to the banding, kick plate or side plate using a 3mm continuous fillet weld equal in length to the depth of the bar.

plate using a 3mm continuous fillet weld equal in length to the depth of the bar.

Every third transverse bar shall be welded all round to the banding or kick plate using a Every third transverse bar shall be welded all round to the banding or kick plate using a 3mm continuous fillet weld. All other intermediate transverse bars shall be tack welded to 3mm continuous fillet weld. All other intermediate transverse bars shall be tack welded to the top of banding/kick plates.

the top of banding/kick plates.

4.9

S

4.9

S

PAN OFPAN OF

G

G

RATINGRATING

The span shall be based on the manufacturer of the grating’s recommendations, usually The span shall be based on the manufacturer of the grating’s recommendations, usually contained in a table in their catalogues. The minimum imposed floor loads listed below contained in a table in their catalogues. The minimum imposed floor loads listed below shall be used to decide which table to use (refer to Anglo American Specification 114001 shall be used to decide which table to use (refer to Anglo American Specification 114001 Design Criteria for Steel Structures 4.6.2)

Design Criteria for Steel Structures 4.6.2) Fl

Floooors rs anand d plplatatfoformrms s :: 5,5,0k0kN/N/mm22 St

Stairairs, s, lalandindings ngs and and walwalkwkways ays :: 3,3,0k0kN/mN/m22 Co

Convnveyeyor or gagantntry ry wawalklkwaways ys :: 2,2,5k5kN/N/mm22

Where machinery or parts there of maybe placed during maintenance or change outs the Where machinery or parts there of maybe placed during maintenance or change outs the flooring shall be designed to resist a minimum concentrated load of

flooring shall be designed to resist a minimum concentrated load of 10kN10kN..

Note:

Note: if these spans are not listed in the catalogue the suppliers must be consulted. if these spans are not listed in the catalogue the suppliers must be consulted.

Grating shall not exceed the manufacture recommended maximum safe span for bearer Grating shall not exceed the manufacture recommended maximum safe span for bearer bars.

4.10

T

4.10

T

OLERANCESOLERANCES 4.10.1

4.10.1 Maximum camber:Maximum camber: (positive or negative) of any panel shall not exceed 10mm or 1/200 of(positive or negative) of any panel shall not exceed 10mm or 1/200 of the span, whichever is the lesser.

the span, whichever is the lesser. 4.10.2

4.10.2 Maximum clearance:Maximum clearance: between adjacent grating panels after erection shall not exceedbetween adjacent grating panels after erection shall not exceed 10,0mm.

10,0mm. 4.1

4.10.3 0.3 The The length and widlength and wid th of any panel:th of any panel: shall be within the tolerance of +0,0mmshall be within the tolerance of +0,0mm and -5,0mm.

and -5,0mm. 4.10.4

4.10.4 The out of squareness:The out of squareness: measured diagonally across the corners of any panel shall notmeasured diagonally across the corners of any panel shall not exceed 5,0mm.

exceed 5,0mm. 4.10.5

4.10.5 Longitudinal bow:Longitudinal bow: parallel to the bearer bars of any panel shall not exceed 1/200 of theparallel to the bearer bars of any panel shall not exceed 1/200 of the span or 5mm

span or 5mm whichever is the lesser before whichever is the lesser before fastening panel to supporting steelwork.fastening panel to supporting steelwork. 4.10.

4.10.6 6 TransversTransvers e e bowbow:: perpendicular to the bearer bars shall not exceed 5 mm before fasteningperpendicular to the bearer bars shall not exceed 5 mm before fastening to supporting steelwork.

to supporting steelwork. 4.10.7

4.10.7 BeareBearer br b ars:ars: shall have a thickness tolerance of +0,4mm to -0,1mm and a shall have a thickness tolerance of +0,4mm to -0,1mm and a height toleranceheight tolerance of +1,2mm to -0,0mm.

of +1,2mm to -0,0mm. 4.10.8

4.10.8 Width of stairtreads:Width of stairtreads: shall be within the tolerance of ±5,0mm.shall be within the tolerance of ±5,0mm. 4.10.9

4.10.9 Lengths of stairtreads:Lengths of stairtreads: shall be within the tolerance of +0,0mm, -3,0mm.shall be within the tolerance of +0,0mm, -3,0mm. 4.10.10 Landing of flooring:

4.10.10 Landing of flooring: on supporting son supporting steelwork shalteelwork shall be not less l be not less than 50mm. than 50mm. In the case ofIn the case of panels landing on channels, a seating/ledge angle may be necessary.

panels landing on channels, a seating/ledge angle may be necessary.

4.11

P

4.11

P

 ANEL ANEL

S

S

IZEIZE

Panels shall be made to the size of the opening that they are to fit in with the following Panels shall be made to the size of the opening that they are to fit in with the following tolerances:

tolerances: 

 To To facilitate facilitate erection, erection, clearances clearances shall shall be be allowed allowed as as follows: follows: a a maximum maximum of of 3mm3mm between floor panel sections and a maximum of 10mm between the edge of the between floor panel sections and a maximum of 10mm between the edge of the flooring panel and any adjacent structure.

flooring panel and any adjacent structure. 

 The The length length and and width width of of each each panel panel measured measured over over the the load-beading load-beading bars bars andand banding bars shall be within the limits of +0mm and -5mm of the specified banding bars shall be within the limits of +0mm and -5mm of the specified dimensions of the panel.

dimensions of the panel. 

 The The squareness squareness of of the the panel panel shall shall be be checked checked by by measuring measuring the the diagonals diagonals of of thethe panel, which shall not differ, by more than 5mm.

4.12

F

4.12

F

LOORINGLOORING

P

P

 ATTERN ATTERN

The Flooring Pattern shall remain uninterrupted at joints. The Flooring Pattern shall remain uninterrupted at joints.

Main and transverse bars of adjacent panels shall be in line with each other. Main and transverse bars of adjacent panels shall be in line with each other.

4.13

F

4.13

F

IXING OFIXING OF

F

F

LOORLOOR

G

G

RATINGRATING

P

P

 ANELS ANELS

Field welding shall not be performed unless approved by the engineer. Field welding shall not be performed unless approved by the engineer.

Panels shall be securely fastened to the supporting steelwork at each corner or as close Panels shall be securely fastened to the supporting steelwork at each corner or as close as possible to each corner by the system described below.

as possible to each corner by the system described below.

The HILTI threaded stud, in conjunction with the saddle clamp, washer and nylock nuts The HILTI threaded stud, in conjunction with the saddle clamp, washer and nylock nuts must be utilised. Special care must be taken not to over tighten the nuts. Should must be utilised. Special care must be taken not to over tighten the nuts. Should excessive torque be applied, the stud will be pulled out of the support steel.

The length of a panel is defined as the spanning length of the bearer bars. Panels will be The length of a panel is defined as the spanning length of the bearer bars. Panels will be securely fastened along the width of the panel and thus along the landing steelwork where securely fastened along the width of the panel and thus along the landing steelwork where the bearer bars rest upon at intervals not greater than 1000mm.

the bearer bars rest upon at intervals not greater than 1000mm.

Typical Double Span Panel Typical Double Span Panel

Typical Single Span Panel Typical Single Span Panel

Hilti stud and saddle Hilti stud and saddle

HILTI

HILTI EM8 EM8 Threaded Threaded Stud Stud Hilty Hilty Power Power ToolTool

Securing

4.14

L

4.14

L

 ANDING OF ANDING OF

F

F

LOORINGLOORING

Landing of flooring on supporting steelwork shall be not less than

Landing of flooring on supporting steelwork shall be not less than 50mm50mm. In the case of. In the case of panels landing on channels, a seating/ledge angle may be necessary.

4.15

B

4.15

B

 ANDING ANDING  All

 All grating grating panels panels shall shall be be provided provided with with banding banding bars bars around around the the perimeter perimeter of of the the panelpanel except when

except when 

 the the load load bearing bearing bar bar forms forms the the banding banding bar;bar; 

 the the kick kick plate plate forms forms the the banding banding bar;bar; 

 specified specified otherwise otherwise by by the the engineer.engineer.

Every fourth bearer bar shall be welded on one side only to the banding, kick plate or side Every fourth bearer bar shall be welded on one side only to the banding, kick plate or side plate using a 3mm continuous fillet weld equal in length to the depth of the bar.

plate using a 3mm continuous fillet weld equal in length to the depth of the bar.

Every fourth transverse bar shall be welded all round to the banding or kick plate using a Every fourth transverse bar shall be welded all round to the banding or kick plate using a 3mm continuous fillet weld. All other intermediate transverse bars shall be tack welded to 3mm continuous fillet weld. All other intermediate transverse bars shall be tack welded to the top of banding/kick plates.

the top of banding/kick plates.

Care should be taken during detailing so that panel sizes are multiples of the grating Care should be taken during detailing so that panel sizes are multiples of the grating aperture dimensions. This is to ensure that the aperture at the panel perimeter, where aperture dimensions. This is to ensure that the aperture at the panel perimeter, where fixture must be done, is adequate for the securing system.

Banding for

4.16

K

4.16

K

ICKICK

P

P

LATESLATES  A

 A flat flat barbar 130mm x 8mm130mm x 8mm  should be welded to the end or side of a floor panel as  should be welded to the end or side of a floor panel as appropriate. Note that 6mm thick kick plates are also acceptable but cutting will be appropriate. Note that 6mm thick kick plates are also acceptable but cutting will be required given that it is a non standard flat section.

required given that it is a non standard flat section.

Kick plates shall be provided at all open edges of flooring including stair landing and Kick plates shall be provided at all open edges of flooring including stair landing and equipment openings. Kick plates are essential to prevent tools or other items from equipment openings. Kick plates are essential to prevent tools or other items from dropping off platforms or walkways and causing injury.

dropping off platforms or walkways and causing injury. Kick plate shall have a minimum height of

Note: Above detail shows K/FLT not less

Note: Above detail shows K/FLT not less than 100mm above floor level.than 100mm above floor level.

4.17 S

4.17 STAIRTAIRTTREADREAD  A

 A rectangular rectangular pattern pattern bar bar grating grating with with an an abrasive abrasive nosing nosing and and side side plates plates shall shall bebe provided.

provided.  All

 All stair stair treads treads shall shall be be bolted bolted to to stair stair stringers stringers using using a a minimum minimum of of 4 4 - - M12 M12 bolts bolts withwith self-locking nuts.

self-locking nuts.

Nosing shall be a special non –

Nosing shall be a special non – slip edging, welded to the front slip edging, welded to the front edge of the stair tread.edge of the stair tread. a + 100mm = K/FLAT HEIGHT

Side plates shall have a minimum thickness of 4.5mm and shall be welded to the ends, Side plates shall have a minimum thickness of 4.5mm and shall be welded to the ends, the stair tread and drilled for bolting to stringer.

the stair tread and drilled for bolting to stringer.

4.18

F

4.18

F

LOORINGLOORING

P

P

 ANELS ANELS

Flooring panels shall be formed from approved open grid grating by cutting stock sheets Flooring panels shall be formed from approved open grid grating by cutting stock sheets to the correct size and providing cut-outs, banding and kick plates as required. Before to the correct size and providing cut-outs, banding and kick plates as required. Before forming, the panel’s accurate dimensions of the required size, cut–outs and supporting forming, the panel’s accurate dimensions of the required size, cut–outs and supporting steelwork must be determined and a drawing of the panel. These drawings must be filed steelwork must be determined and a drawing of the panel. These drawings must be filed for future reference.

 AATC_SPE

 AATC_SPEC_114012.docx C_114012.docx APPROVAPPROVEDED 18 November 18 November 2008 2008 Page Page 18 18 of of 3939

For information or comments on this

For information or comments on this document please contactdocument please contact M&T Risk & AssuranceM&T Risk & Assurance  Anglo American acc

 Anglo American accepts no liability for any epts no liability for any damage whatsoever damage whatsoever that may result that may result from the use ofrom the use of this material or thf this material or the information containede information contained therein, irrespective of the cause and

Flooring

4.19

C

4.19

C

LOSING OFLOSING OF

E

E

XISTINGXISTING

R

R

EDOUNDEDEDOUNDED

E

E

QUIPMENTQUIPMENT

O

O

PENINGSPENINGS

Where openings have been left in concrete floors due to equipment having been removed Where openings have been left in concrete floors due to equipment having been removed and not replaced the following shall apply:

and not replaced the following shall apply: 

 Handrail Handrail the the area. area. This This is is the the preferred preferred method method as as it it eliminates eliminates steps steps in in flooring flooring andand tripping hazards.

tripping hazards. This method shall be used whThis method shall be used wh ereerever possiblver possibl e.e. 

 If If removable removable covers covers are are required required use use method method as as shown shown below.below.

This method s

4.20

H

4.20

H

 ANDRAIL ANDRAIL INGING

Handrailing should preferably, and always in the case of stairs, be continuous, and should Handrailing should preferably, and always in the case of stairs, be continuous, and should have no obstruction on, above or near to it that might obstruct a hand moving along it. The have no obstruction on, above or near to it that might obstruct a hand moving along it. The recommended clearance between a handrail and any wall or other obstruction behind or recommended clearance between a handrail and any wall or other obstruction behind or below it is

below it is 65mm65mm..

Handrailing to platforms, walkways, landings and unguarded edges of raised floors shall Handrailing to platforms, walkways, landings and unguarded edges of raised floors shall not be less than

not be less than 1100mm1100mm high above finished floor level. Handrailing to stairs shall have a high above finished floor level. Handrailing to stairs shall have a height of not less than 1100mm measured vertically from the top of the stanchion base height of not less than 1100mm measured vertically from the top of the stanchion base plate to the upper surface of the handrail. Refer to figure Typical Angular Handrailing plate to the upper surface of the handrail. Refer to figure Typical Angular Handrailing (Sheet 10 of 10).

(Sheet 10 of 10). Stanchions

Stanchions shall shall be be :: 60 x 60 x 660 x 60 x 6 angle angle  All stanchions shall be bo

 All stanchions shall be bolted to steelwork or concrlted to steelwork or concrete kerbs usingete kerbs using M16M16 boltsbolts  All stanchions shall be pa

 All stanchions shall be painted inted :: BlackBlack if steel is not galvanized if steel is not galvanized

Top rail shall be welded to every stanchion on one side only using a 3mm continuous fillet Top rail shall be welded to every stanchion on one side only using a 3mm continuous fillet weld.

weld. Top

Top rail rail shall shall be be :: 50 x 50 x 650 x 50 x 6 angleangle Kneerail

Kneerail shall shall be be :: 50 x 550 x 5 flat bar  flat bar 

Solid 25mm bars may be used on conveyor gantries if approved in writing by the engineer. Solid 25mm bars may be used on conveyor gantries if approved in writing by the engineer. Kneerail shall be welded to every stanchion on top only using a 3mm continuous fillet weld Kneerail shall be welded to every stanchion on top only using a 3mm continuous fillet weld Top

5

5

QUAL

QUALITY

ITY ASSURA

ASSURANCE

NCE PROVISIONS

PROVISIONS

5.1

Q

5.1

Q

UALITYUALITY

M

M

 ANA ANAGEMENTGEMENT

The requirements of SANS ISO9001 shall apply. All optional requirements in SABS The requirements of SANS ISO9001 shall apply. All optional requirements in SABS ISO9001 shall be compulsory requirements for material supplied against this specification. ISO9001 shall be compulsory requirements for material supplied against this specification.

5.2

Q

5.2

Q

UALITYUALITY

P

P

LALANN

Contractors shall compile and submit a quality plan which shall be approved prior to Contractors shall compile and submit a quality plan which shall be approved prior to commencement of manufacture. The quality plan shall list all major works, specifications, commencement of manufacture. The quality plan shall list all major works, specifications, tests, methods of test, equipment to be used and acceptance/rejection criteria.

tests, methods of test, equipment to be used and acceptance/rejection criteria.

5.3

T

5.3

T

ESTEST

F

F

 ACIL ACIL ITIESITIES

The Contractor shall provide test samples, qualified labour and approved testing The Contractor shall provide test samples, qualified labour and approved testing equipment for tests. If facilities are not available at Contractor's premises the Contractor equipment for tests. If facilities are not available at Contractor's premises the Contractor shall arrange for tests to be conducted by approved test authorities. The costs of all tests shall arrange for tests to be conducted by approved test authorities. The costs of all tests shall be borne by the Contractor.

shall be borne by the Contractor.

5.4

I

5.4

I

NSPECTIONNSPECTION

The QAR shall have access at all reasonable times to those parts of the manufacturing The QAR shall have access at all reasonable times to those parts of the manufacturing facilities engaged in the manufacture of articles to this specification. The QAR is facilities engaged in the manufacture of articles to this specification. The QAR is authorised to witness any stage of manufacture, tests and to inspect documentation. The authorised to witness any stage of manufacture, tests and to inspect documentation. The QAR is authorised to reject any items not complying with the requirements of this QAR is authorised to reject any items not complying with the requirements of this specification. In the event of a dispute arising regarding the interpretation of test results specification. In the event of a dispute arising regarding the interpretation of test results the decision of the Engineer shall be final.

the decision of the Engineer shall be final.

6

6

TEST

TEST AND

AND INSPECTION

INSPECTION METHODS

METHODS

Testing and inspection shall be in accordance with the requirements of BS 4592. Testing and inspection shall be in accordance with the requirements of BS 4592.

7

7

MARK

MARK ING

ING AND

AND IDENTIFICATION

IDENTIFICATION

7.1

G

7.1

G

ENERALENERAL

The Contractor shall prepare marking drawings and supply one sepia print to the Engineer The Contractor shall prepare marking drawings and supply one sepia print to the Engineer for approval.

for approval.

7.2

S

7.2

S

TAMPTAMP

II

DENTIFICATIONDENTIFICATION

Each element shall be hard stamped in accordance with the requirements of the drawing. Each element shall be hard stamped in accordance with the requirements of the drawing.

7.3

M

7.3

M

 ARK ARKINGING

Each element shall be hard stamped with the following information Each element shall be hard stamped with the following information a)

a) Manufacturer's Manufacturer's name name or or logologo b)

 APPENDIX A

 APPENDIX A : REL: REL ATED DOCUMENTSATED DOCUMENTS

Unless otherwise specified the latest issue of the following documents shall be deemed to form Unless otherwise specified the latest issue of the following documents shall be deemed to form part of this specification:

part of this specification:  AA 114002

 AA 114002 : : Fabrication Fabrication and erection oand erection of structural sf structural steelworkteelwork  AA 114001

 AA 114001 : : Design of SDesign of Steel Structurteel Structureses  AA 164005

 AA 164005 : : Corrosion protCorrosion protection by thiection by thin films, en films, eggcrate floor pggcrate floor panels and cablanels and cable rackse racks BS

BS 1449 1449 : : Steel Steel plate plate and and stripstrip BS

BS 4592 4592 : : SpecificatiSpecification on for for industrial industrial open open type type metal metal flooring flooring and and stair stair treadstreads BS

BS 5135 5135 : : Metal Metal arc arc welding welding of of carbon carbon and and carbon-manganescarbon-manganese e steelssteels SANS

SANS ISO ISO 1461 1461 : : Hot Hot dip dip galvanised galvanised coatings coatings on on fabricated fabricated iron iron and and steel steel articlesarticles SANS

SANS 0162 0162 : : The The use use of of structural structural steelsteel SANS

SANS 1137 1137 : : Hot Hot applied applied bitumen bitumen for for steel steel pipeline pipeline protectionprotection SANS

SANS 1200H 1200H : : Civil Civil engineering engineering constructiconstruction, on, Part Part H, H, structural structural steelworksteelwork SANS

SANS 1431 1431 : : Weldable Weldable structural structural steelssteels SANS

SANS ISO ISO 9001 9001 : : Quality Quality management management systemssystems  APPENDIX B

 APPENDIX B : RECORD OF A: RECORD OF A MENDMENTSMENDMENTS Issue

Issue 0 0 : : New New documentdocument Issue

Issue 1 1 : : Amended Amended clauses clauses 4.13, 4.13, 4.15, 4.15, 4.16 4.16 and and 4.20, 4.20, amended amended drawings drawings (page (page 11) 11) --T Schmidt (November 2008)

T Schmidt (November 2008) Issue