© HAKI AB 2017

USER´S MANUALHAKI PUBLICACCESS STAIR

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© Copyright HAKI AB, 2017The reproduct ion of text and pictures/illustrat ions without HAKI’s permission is prohibited.

Important informationHAKI’s product liability and user´s manuals apply only to scaffolds that areentirely composed of components that have been made and supplied by HAKI.

HAKI’s type examination certifi cate apply only to scaffolds whose materials,dimensions and design accord with those specifi ed in the documentation uponwhich this certifi cate is based.

HAKI’s scaffold systems must not be erected using components of makes otherthan HAKI or be connected to scaffolds of makes other than HAKI. In such cases,a special study of load-bearing capacity must be carried out. However, HAKI hasno objection to the customary addition of scaffold tubes and approved couplersto the scaffold.

Adding components from different suppliers may invalidate the insurance cover.

HAKI reserves the right to make technical modifi cations on a continual basis.

A user’s manual should be provided to the user together with the scaffolding.

The latest versions of HAKI user’s manuals can be downloaded from our website,www.HAKI.com.

For scaffold structures that are not covered by this user´s manual, pleasecontact HAKI’s technical department.

Forces and dimensions 1000 N = 1 kN ~ 100 kg 10 N ~ 1 kgAll measurements in mm

HAKI colour codeHorizontals and diagonals are marked with their nominal sizes (bay sizes) and a colour code. The marking is a useful means of ident ifi cat ion when erect ing and handling the scaffold material.

564 1050 1964 3050 700 1250 2050 3650 770 1550 2500 4050 1010 1655 2550

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BASIC INFORMATION

HAKI Public Access Stair Public Access Stairs are designed for loadings up to 7.5 kN/m² and are suitable for public use in line with nat ional standards. Public Access Stair complies with requirements of UK standard The Building Regulat ions 2000 Protect ion from falling, collision and impact: The requirement K1. Stairs, ladders and ramps: shall so be designed, constructed and installed as to be safe for people moving between different levels in or about the building.

GeneralThe HAKI Public Access Stair incorporates the use of many HAKI Universal system components including the base jacks, standards, diagonal braces and landings. The stair stringers and handrails are specially designed for use on a Public Access Stair. HAKI Public Access Stairs are erected in bay widths of 1655mm,1964mm or 2500mm and lengths of 1655mm or 2500mm. Lift heights can be 500, 1000 or 1500mm. Single Tube Beams or Ledger Beams can be used as both Transoms or Ledgers. The stair tower can be erected as a free standing ent ity or to be connected to a scaffold. All components for the HAKI Public Access Stair are hot dip galvanized with the exception of the treads and landings.

Marking All components, with the exception of locking catches, locking pins etc, come permanent ly marked with the HAKI logo and the last two figures of the year of manufacture ( S17).All loadbearing components are marked for full traceability. For further information, please refer to the HAKI Safety Guide.

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BASIC INFORMATION

Standard

Entrance Handrail

Base jack

Single Ledger Cover

Entrance Step

Single Ledger

Stringer

Single Ledger

Diagonal Brace

Landing Handrail

Handrail

AL plank

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BASIC INFORMATION

Standard

Entrance Handrail

Base jack

Entrance Tread

Entrance Step

Single Ledger

Stringer

Single Ledger

Diagonal Brace

Landing Handrail

Handrail

Entrance Tread

AL Plank

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LIST OF COMPONENTSName Code Item No. WeightBase jack BS 2071000 5.0Adjustable 55-570 mm

Standard SC SC 853 7011104 4.8Standard joint without spigot SC 1353 7011154 7.3Pockets at same level SC 1853 7011204 9.8Ø 48 mm

Tripod 500 7203340 10.0With pockets on one standard 1000 7203341 17.3Pockets at same level 2000 7203342 31.8 Ø 48 mm 3000 7203343 48.8

Adapter Tripod Adapter tripod 60 7203312 11.6 Base jack BS 60 2071061 15.6

Ledger Beam 1250 7021122 6.5With spring locking catch 1655 7021162 6.7Ø 34 mm 1964 7021192 8.0 2500 7021252 10.9

Standard S S 500 7016050 2.9Standard joint with spigot S 1000 7016100 5.3Pockets at same level S 1500 7016150 7.7 Ø 48 mm S 2000 7016200 10.1 S 3000 7016300 15.2

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LIST OF COMPONENTS

Name Code Item No. WeightSingle Ledger 564 7022050 3.6With spring locking catch 770 7022073 3.6Ø 48 mm 1010 7022097 4.3 1250 7022121 5.1 1655 7022161 6.3 1964 7022191 7.3 2500 7022246 8.9

Single Ledger Cover 1250 7104125 6.7With spring locking catch 1250 S 7104126 7.2Ø 48 mm 1655 7104165 8.5 1655 S 7104166 8.5 1964 7104191 10.0 1964 S 7104192 10.7

Stringer 1655x1000 7102100 25.0 2500x1500 7102150 34.5

Entrance Handrail 3-step 7058004 15.0

Entrance Step 3-step 7102006 10.7

Handrail 1655x1000 7058100 26.5Adjustable in height 2500x1500 7058152 36.5

Spacer 300 7022030 1.5

Intermediate Handrail 1655x500 7058050 24.0

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LIST OF COMPONENTSName Code Item No. Weight

Diagonal Brace 1250 7122124 9.0With wedge junct ions 1655 7122164 10.1Ø48 mm 1964 7122194 10.71250 L=2004 2500 7121254 12.31655 L=22851964 L=25232500 L=2967

AL plank 770x320x90 2153077 4.6 1250x320x90 2153123 6.4 1250x295x90 2153124 6.1 1250x200x90 2153125 5.0 1655x320x90 2153163 7.9 1655x295x90 2153164 7.5 1655x200x90 2153165 6.2 1964x320x90 2153193 9.1 1964x295x90 2153194 8.6 1964x200x90 2153195 7.1

Landing Handrail 300 7053030 7.5 564 7053056 10.9 700 7053070 11.9 770 7053077 12.5 1010 7053079 18.5 1050 7053105 15.7 1250 7053125 19.5 1655 7053165 23.0 1964 7053191 28.2 2500 7053250 34.2

Tripod Handrail 7058000 7.1Adjustable in height

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Name Code Item No. Weight

Name Code Item No. Weight

For other accessories, see HAKI Component List.

Decking unit 1655x600 4071162 13.5 2500x600 4071252 19.6

Grating AL 1655x495 2021204 10.0

Erection accessories

Decking unit with hatch 1655x600 4071163 17.0 2500x600 4071253 19.5

Erecting tool 4052001 1.4Advanced guardrail tool

Guardrail frame 770 7052077 4.0 1250 7052124 5.7 1655 7052164 7.4 1964 7052194 8.1 2500 7052254 9.2

Chequer Plate Deck 1250x200 2140125 13.1Compatible with both 1250x250 2140126 14.9PAS and HBS 1655x200 2140165 15.7 1655x250 2140166 19.7 1964x200 2140195 20.6 1964x250 2140196 23.4

Chequer Plate Entrance Tread 1250x270 2140121 15.4 1655x270 2140161 20.4 1964x270 2140191 24.2

Chequer Plate Tread 1250x300 2140123 17.2 1655x300 2140163 23.4 1964x300 2140193 27.0

LIST OF COMPONENTS

Chequer Plate Top Tread 1250 2140122 14.9Compatible with both 1655 2140162 19.7PAS and HBS 1964 2140192 23.4

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Informat ion on safety when erect ing and dismant ling 1. Carry out local risk assessment and method statement. 2. Make sure that all lift ing equipment to be used, e.g chain hoists, lift ing ropes, pulley blocks, etc., has been thoroughly tested and approved by an authorised person in accordance with local regulat ions. 3. Check that tools and protect ive equipment are available at the worksite. 4. Wear appropriate personal safety equipment at all t imes, e.g. safety harnesses, proper independence lifelines with suitable fixings, etc. 5. When erect ing and dismant ling a scaffold, robust temporary decking must be used as temporary platform for the scaffolders. 6. Always make sure that the safety locking devices that prevent a plat form lift ing off have been act ivated once a platform has been installed. 7. Never climb up a scaffold from the outside. Always use the stairs, ladders or climbing frames that are designed to provide access to the upper decks from the inside of the scaffold. 8. If the scaffold is to be used outdoors, erect ion or dismant ling work must be discont inued of the weather condit ions are too bad. Make sure that all loose components are properly fixed before leaving the scaffold. 9. Scaffolding work must be carried out by competent operat ives under the supervision of a competent person.10. Lift ing equipment must not be attached to a free-standing scaffold without design. 11. Beware of any overhead power lines nearby.12. Always observe and comply with the regulat ions issued by the local authorit ies concerned.

Instruct ions for dismant ling 1. Dismant le the scaffold from the topmost lift. 2. Take down the topmost decking. 3. Take down the horizontals and diagonals of the topmost lift. 4. Finally remove the standards where possible. 5. Repeat 2-6 to take down the second topmost lift and continue the whole process unt il the dismant ling process reached the scaffold is completely dismant led. 6. Do not throw or drop materials to the ground. This may damage the material or cause personal injury. The materials must be lowered down to the ground by means of ropes or slings or passed down by hand. 7. If intermediate t ies or t ie rod tube have been installed, they must not be removed unt il the dismant ling process reaches the level in quest ion. 8. Always observe and comply with the regulat ions published by the local authorit ies concerned. 9. Reference should also be made to the sect ion “Information on safety when erect ing and dismant ling” in this manual.

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1.

2.

3.

ERECTION

1. Set out sole plates, base jacks, standards, horizontals and stair stringers as shown for the first tower.

Before erect ing the Public stair, check and flatten out the ground. The ground must not be subject to uneven sett lement. Its bearing capacity may be improved with the help of sole plates.

3. Fit the 3 step entrance stair stringers onto the end standards. Adjust the base jack heights to ensure the stair stringers are level and the first step is not too high.

Note at top of entrance steps use single ledger with cover if Aluminium Treads are used.

2. Set base jacks under Entrance Step closed (ie minimum height). Place standards onto base jacks.

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6a.

4.

5.

6.

ERECTION

4. Fit the stair stringer.Note if Aluminuim Treads are used and more stair stringer are going to be added, related single beam will be with a cover plate.

5. Fit the entrance handrails into the pockets on the standard and the base jack. Lock the handrail in the higher posit ion to allow treads to be fitted beneath.

6. Posit ion the handrails in place. Leave in the open posit ion and do not lock.

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7.

8.

9.

ERECTION

7. Using the Advanced Guardrail tool secure the end guard rail into the standard pockets. Remember to engage locking catches.Repeat to secure the end tower and place decking units and ladder for access.

8. Fit stair treads onto the stair stringers.

9. Secure the stair tread with the locking catch.

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10.

11.

12.

ERECTION

10. Standing on the end tower, place the stair stringer on the single beam and slide the stair stringer to the other side. Finally place the high end of the stringer into the pocket and lock it.

11. In order to safely board out the stair stringers, place a decking unit beneath the stair stringer.

Follow Personal Fall Protect ion Equipment Guidance as shown on page 25.

12. Insert 700 mm guard frames to secure the working platform and meet collect ive fall protect ion guidelines.

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13.

14.

15.

ERECTION

13. Fit the handrails to the standards and leave unlocked and in the open posit ion as before.

14. Secure the handrails and guard frames to enclose the end tower.

15. Deck the stair stringer halfway from the lower tower.

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16.

17.

18.

ERECTION

16. Standing on the decking units below fit the remaining treads in place. Secure the stair tread with the locking catch.

17. To deck the landing, slide each stair tread under the guard frame and handrails. Once complete remove the decking units below.

Fully brace each tower.

To cont inue the stair tower upwards, create another tower and fit the stair stringers as shown previously.

18. Basic tower complete. If the requirements are for treads covered with plywood and/or GRP sheet ing, this should be carried out at this stage.

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19.

ERECTION

19. ! Once decking is complete all handrails MUST be dropped to their lowest posit ion (locking all treads in place). Then all handrails must be fully secured by t ightening the screw nuts at each end of the handrails.

When stair tower complete, unlock internal slides, then slide handrail to lock decking in place. Finally lock handrails to internal slides.

Dismant ling procedure 1/ Dismant le the scaffold from the topmost lift.2/ Start by raising all handrails into the higher posit ion and lock, this will allow planks to be removed from the working platform below.3/ Remove planks from the guardrailed working platform below.4/ Remove all handrails from top lift and stringers.

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1.

2.

3.

ERECTION

Using the half landing

1. Ensure the guardrails are in place as a collect ive fall protect ion measure. Place the 3 step stair stringer into the pockets of the standards and rest onto the landing.

2. Insert handrail. Leave in the open and unlocked posit ion.

3. Slide the treads under the handrail and secure with the locking catch.

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4.

ERECTION

4. Once the stair is complete., remember to lock the handrail into place as shown previously.

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LOADING CONDITIONS

Base jacksThe stair tower is erected on base jacks.These are either Ø38 mm or Ø60 mm depending on whether Tripods are used or not.

StandardsStandards of length 3000 or 2000 mm would normally be incorporated into the tower ensuring that sufficient standard extends above each landing level so that advanced guardrail techniques can be employed.

TripodsWhen leg loads exceeed the permissible value(s) for standards, tripods should be employed.The length 3000 mm should be avoided apart from the base level. Otherwise, tripods of length 2000 mm or smaller should be used. for further information please see the product information sheet for Tripods or contact the HAKI Technical Department.

Horizontal membersThe stair tower is erected using ledger beams and/or single ledgers with either 1000 or 1500 mm between lifts, depending on the stair configurat ion.Each landing level must be provided with horizontal members on all sides.The bottom lift must always be fitted at the lowest possible level.

HandrailsAll stair flights and landings must be provided with handrails at all outside edges.The handrail height must not be less than 1100 mm.

Bracing and tying inThe stair tower must be braced using vert ical diagonal braces to full height on all faces ofeach ‘landing’ tower.The stair tower should be anchored at each standard posit ion horizontally and at a vert icalspacing of 4m in height. The first anchor in height must not be fitted more than 4m fromground level.

Permissible loadsThe maximum permissible load on stair flights and landings is 7.5 kN/m2.

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840

EXAMPLE ARRANGEMENTS

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EXAMPLE ARRANGEMENTS

840

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ALTERNATIVE ARRANGEMENTS

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SAFE SCAFFOLDING

Planning to use Advance Guard Rail

In order to be able to fit guardrails prior to decking, using HAKI’s advance guardrail tool or with the aid of other guardrail fitt ing devices, the external standards must be one metre higher than the next lift. Some alterna-t ive methods of erect ion to achieve this are shown here.These methods of erect ion also facilitate the use of temporary guardrails.

In other respects, see instruct ions for the fitt ing devices in quest ion.

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Notes

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Notes

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Notes

© H

AKI

INT

2017

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SAFETY CHECKLIST

1. Support ing surface checked with regard to load-bearing capacity

2. Distance to wall or similar as short as possible

3. Scaffold aligned correct ly horizontally and vert ically

4. Components correct ly fi tted and locked

5. Bracing correct ly fi tted

6. Anchoring with right number and placing of t ies

7. Decking correct ly fi tted

8. Scaffold erected for correct class of load

HAKI AB • SE-289 72 Sibbhult, Sweden • Tel +46 44 494 00 • info@haki.se www.HAKI.com