10/2009 Ü User information

999409002 GB Method statement Handrail clamp S Art.n° 580470000

The Formwork Experts User information Handrail clamp S Elementary safety warnings

User target groups Planning ● This User Information booklet (Method Statement) is ● Provide safe workplaces for those using the form- aimed at everyone who will be working with the Doka work (e.g. for when it is being erected/dismantled, product or system it describes. It contains informa- modified or repositioned etc). It must be possible to tion on the standard design for setting up this sys- get to and from these workplaces via safe access tem, and on correct, compliant utilisation of the sys- routes! tem. ● If you are considering any deviation from the ● All persons working with the product described details and instructions given in this booklet, or herein must be familiar with the contents of this man- any application which goes beyond those ual and with all the safety instructions it contains. described in the booklet, then revised static cal- ● Persons who are incapable of reading and under- culations must be produced for checking, as well standing this booklet, or who can do so only with dif- as supplementary assembly instructions. ficulty, must be instructed and trained by the cus- tomer. Rules applying during all phases of ● The customer is to ensure that the information mate- rials provided by Doka (e.g. User Information book- the assignment: lets, Instructions for Assembly and Use, Operating ● The customer must ensure that this product is Instruction manuals, plans etc.) are available to all erected and dismantled, reset and generally used for users, and that they have been made aware of them its intended purpose under the direction and super- and have easy access to them at the usage location. vision of suitably skilled persons with the authority to ● In the relevant technical documentation and form- issue instructions. work utilisation plans, Doka shows the workplace These persons' mental and physical capacity must safety precautions that are necessary in order to use not in any way be impaired by alcohol, medicines or the Doka products safely in the usage situations drugs. shown. ● Doka products are technical working appliances In all cases, users are obliged to ensure compliance which are intended for industrial/commercial use with national OH&S (occupational health and safety) only, always in accordance with the respective Doka rules throughout the entire project and to take appro- User Information booklets or other technical docu- priate additional or alternative workplace safety pre- mentation authored by Doka. cautions where necessary. ● The stability of all components and units must be ensured during all phases of the work! Hazard assessment ● The functional/technical instructions, safety warn- ● ings and loading data must all be strictly observed The customer is responsible for drawing up, docu- and complied with. Failure to do so can cause acci- menting, implementing and continually updating a dents and severe (even life-threatening) damage to hazard assessment at every job-site. health, as well as very great material damage. This document serves as the basis for the site-spe- ● cific hazard assessment, and for the instructions Fire-sources are not permitted anywhere near the given to users on how to prepare and utilise the sys- formwork. Heating appliances are only allowed if tem. It does not substitute for these, however. properly and expertly used, and set up a safe dis- tance away from the formwork. ● The work must take account of the weather condi- Remarks on this document tions (e.g. risk of slippage). In extreme weather, ● This User Information booklet can also be used as a steps must be taken in good time to safeguard the generic method statement or incorporated with a equipment, and the immediate vicinity of the equip- site-specific method statement. ment, and to protect employees. ● ● Many of the illustrations in this booklet show the All connections must be checked regularly to ensure situation during formwork assembly and are that they still fit properly and are functioning cor- therefore not always complete from the safety rectly. point of view. It is very important to check all screw-type connec- ● tions and wedge-clamped joins whenever the con- Further safety instructions, especially warnings, struction operations require (particularly after excep- will be found in the individual sections of this tional events such as storms), and to tighten them if document! necessary.

2 999409002 - 10/2009 Ü The Formwork Experts User information Handrail clamp S

Assembly Regulations; industrial safety ● The equipment/system must be inspected by the ● Always observe all industrial safety regulations and customer before use, to ensure that it is in suitable other safety rules applying to the application and uti- condition. Steps must be taken to rule out the use of lisation of our products in the country and/or region any components that are damaged, deformed, or in which you are operating. weakened due to wear, corrosion or rot. Instruction as required by EN 13374: ● Combining our formwork systems with those of other ● If a person or object falls against, or into, the side- manufacturers could be dangerous, risking damage guard system and/or any of its accessories, the side- to both health and property. If you intend to combine guard component affected may only continue in use different systems, please contact Doka for advice after it has been inspected and passed by an expert. first. ● The assembly work must be carried out by suitably qualified employees of the client's. Maintenance ● It is not permitted to modify Doka products; any such ● Only original Doka components may be used as modifications constitute a safety risk. spare parts.

Erecting the formwork Symbols used ● Doka products and systems must be set up in such The following symbols are used in this booklet: a way that all loads acting upon them are safely transferred! Important note ☞ Failure to observe this may lead to malfunc- Pouring tion or damage. ● Do not exceed the permitted fresh-concrete pres- sures. Excessively high pouring rates lead to form- CAUTION / WARNING / DANGER work overload, cause greater deflection and risk causing breakage. Failure to observe this may lead to material damage, and to injury to health which may range up to the severe or even life-threaten- Striking the formwork ing. ● Do not strike the formwork until the concrete has reached sufficient strength and the person in charge has given the order for the formwork to be struck! Instruction ● When striking the formwork, never use the crane to This symbol indicates that actions need to be break concrete cohesion. Use suitable tools such as taken by the user. timber wedges, special pry-bars or system features such as Framax stripping corners. ● When striking the formwork, do not endanger the Sight-check stability of any part of the structure, or of any scaf- Indicates that you need to do a sight-check folding, platforms or formwork that is still in place! to make sure that necessary actions have been carried out. Transporting, stacking and storing ● Observe all regulations applying to the handling of Tip formwork and scaffolding. In addition, the Doka Points out useful practical tips. slinging means must be used - this is a mandatory requirement. ● Remove any loose parts or fix them in place so that they cannot be dislodged or fall free! Reference ● All components must be stored safely, following all Refers to other documents and materials. the special Doka instructions given in the relevant sections of this User Information booklet!

Miscellaneous We reserve the right to make alterations in the interests of technical progress.

999409002 - 10/2009 Ü 3 The Formwork Experts User information Handrail clamp S Eurocodes at Doka

In , a uniform series of Standards known as The widely used "Permissible stress design" (compar- Eurocodes (EC) was developed for the construction ing the actual stresses with the permissible stresses) field by the end of 2007. These are intended to provide has been superseded by a new safety concept in the a uniform basis, valid throughout Europe, for product EC. specifications, tenders and mathematical verification. The EC contrast the actions (loads) with the resistance The EC are the world's most highly developed Stand- (capacity). The previous safety factor in the permissible ards in the construction field. stresses is now divided into several partial factors. The In the Doka Group, the EC are to be used as standard safety level remains the same! from the end of 2008. They will thus supersede the DIN norms as the "Doka standard" for product design.

Ed Rd

Ed Design value of effect of actions Rd Design value of the resistance (E ... effect; d ... design) (R ... resistance; d ... design) Internal forces from action Fd Design capacity of cross-section (VEd, NEd, MEd) (VRd, NRd, MRd)

Fd Design value of an action Rk Rk Steel: Rd = Timber: Rd = kmod · Fd = γF · Fk γM γM (F ... force)

Fk Characteristic value of an action Rk Characteristic value of the resistance "actual load", service load e.g. moment resistance to yield stress (k ... characteristic) e.g. dead weight, live load, concrete pressure, wind

γF Partial factor for actions γM Partial factor for a material property (in terms of load; F ... force) (in terms of material; M...material) e.g. for dead weight, live load, concrete pres- e.g. for steel or timber sure, wind Values from EN 12812 Values from EN 12812

kmod Modification factor (only for timber – to take account of the moisture and the duration of load action) e.g. for Doka beam H20 Values as given in EN 1995-1-1 and EN 13377

Comparison of the safety concepts (example) Permissible stress design EC/DIN concept The "permissible values" communicated in F R Doka documents (e.g.: Qpermissible = 70 kN) 115.5 [kN] yield 115.5 [kN] k do not correspond to the design values R g = 1.1 90<105 [kN] d M (e.g.: VRd = 105 kN)! n ~ 1.65 ➤ Avoid any confusion between the two! E A 90 [kN] d ➤ Our documents will continue to state the per- missible values. F g = 1.5 60<70 [kN] permissible F Allowance has been made for the following par- F A tial factors: 60 [kN] actual γF = 1.5 γM, timber = 1.3 γM, steel = 1.1 kmod = 0.9 In this way, all the design values needed in an EC design calculation can be ascertained from the permissible values.

98013-102

98013-100

Factual≤ Fpermissible Ed≤ Rd A Load factor

4 999409002 - 10/2009 Ü The Formwork Experts User information Handrail clamp S Product description

The main features: System dimensions The Handrail clamp S is used for erecting safety rail- ings at fall-hazard locations. Handrail clamp S ● Conforms to EN 13374 Class A Art.n°: 580470000 ● It is designed so that it can be fastened onto various Weight: 11.4 kg different components, making it suitable for use on: - platforms - wall formwork - concrete floor-slabs - floor-slab formwork etc. ● Handrail-post plate angled at 45°, to allow guard- rail boards to be inserted in either direction (i.e. at 90° to one another).

9756-205-01 ● Holes drilled in the handrail-post plates for mount- ing screw-on couplers so that guard-rails can be erected using scaffolding tubes. ● All-steel construction - hot-dip galvanised for maxi- mum durability.

Dimensions in mm Assembly instructions

WARNING ➤ Only clamp the Handrail clamp S to compo- nents that can reliably transfer the forces involved! ➤ To adjust the Handrail clamp S, remove the wedge from the wedge slot. ➤ Stand the Handrail clamp S in the chosen position and wedge it in place firmly. ➤ Insert guard-rail boards and secure them with nails.

999409002 - 10/2009 Ü 5 The Formwork Experts User information Handrail clamp S Areas of use

On Doka ready-to-use platforms On floor-slab formwork For side railings on Doka ready-to-use platforms, and Can be fastened anywhere on the formwork beam, in as opposing guard-rail posts on Formwork elements either the transverse or longitudinal direction. FF20. WARNING Risk of formwork beams tipping over! ➤ Only attach the Handrail clamp S to form- work beams if these cannot tip over. ➤ Never mount guard-rail boards in the longitu- dinal direction of the formwork beams.

9756-202-01

9756-201-01

On concrete floor-slabs

9756-202-02

WARNING Risk of breaking the formwork sheets! ➤ It is forbidden to fasten the clamp to the formwork sheeting only.

9756-206-01

9756-209-01

6 999409002 - 10/2009 Ü The Formwork Experts User information Handrail clamp S Structural design

Permitted centre-to-centre dis- Using scaffolding tubes tances The holes in the handrail post plates make it possible to mount "Screw-on couplers 48mm 50" (A) (Art.n° 682002000). This means that it is also possible to use scaffolding tubes 48.3mm (B) as the top and middle guard-rails. Tools for mounting the couplers and scaffolding tubes: a Fork spanner 22 mm

B

A

>1.0 m b

h C

>1.0 m

h

h

9756-207-01

9756-208-01 Max. centre-to-centre distance 'a' Guard-rail boards for heights above ground of h ...height of toeboard (C) min. 20 cm up to 40 m 40 to 100 m Width w Height h 2 2 q(Ze) ≤ 0.84 kN/m q(Ze) ≤ 1.1 kN/m 3 cm 15 cm 2.00 m 1.60 m 3, 4, 5 cm 20 cm 1.50 m 1.15 m Scaffolding tube 48.3mm 3.00 m 3.00 m q(Ze) ... Impact pressure The smaller permitted centre-to-centre distance when 20 cm high © by Doka Industrie GmbH, A-3300 Amstetten guard-rail boards are used is due to the higher wind loads which are exerted upon the Handrail clamp.

Note: The plank and board thicknesses given here comply with the C24 category to EN 338. In , wooden platform components must bear the "Ü-symbol" mark of conformity.

999409002 - 10/2009 Ü 7 The Formwork Experts The Handrail clamp S provides uninterrupted safety at your site.

The Handrail clamp S is an excellent way of putting up safety railings at fall-hazard locations. This GS-tested safety products can be mounted to platforms, floor-slab formwork, wall formwork and concrete floor-slabs. The Handrail clamp S is available for rental, leasing or purchase. At any of the Doka branches in your region. Why not give us a call?

The Doka Group's central plant at Amstetten, Doka international

Certified to Doka GmbH Josef Umdasch Platz 1, A 3300 Amstetten, Austria ISO 9001 Tel.: +43 (0)7472 605-0, Fax: +43 (0)7472 64430 E-Mail: [email protected] Internet: www.doka.com

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The Formwork Experts 999409002 - 10/2009 Ü