BS 7121-5 PDF

BS Code of practice for safe use of cranes. Tower cranes. standard by BSI Group, 04/28/ View all product details. Most Recent. Track It. Find the most up-to-date version of BS at Engineering BS BRITISH STANDARDCode of practice for safe use of .. BSI •9 BS Complex liftIf the lifting operation is.

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BS – Code of practice for safe use of cranes. Tower cranes (British Standard)

In order that this responsibility can be effectively discharged, the appointed person see 4. Crane users have a duty to ensure that the crane is bss used for its intended purpose. Siting of cranes General Siting of the crane should take account of all the factors that could affect its safe operation, particularly the following: The most suitable type of work restraint system is an adjustable lanyard, adjusted to be as short as possible to ensure that a person is restrained within the carrier.

Use of the guidance given in this standard can help protect safety of crane operators and can also be taken as an indication of good practice on site. Points to be 7121-55 into account in making the selection of the tower crane include the following: Careful planning should be carried out prior to each raising and lowering operation. Exposed high voltage conductors can cause electric shocks or bums even if not touched by personnel. A reasonable level of mathematical and mechanical aptitude is therefore likely to be required.

Craneage arrangements The climbing of a tower crane is often accomplished by using the crane being climbed to unload and handle all the equipment and components involved in the climbing operation.

The self-levelling function has a limited range of correction and great care should be taken when travelling over uneven ground. Figure 7Lorry mounted tower craneA lorry mounted tower crane is mounted on a truck or lorry chassis.

Details of the requirements for installation operations are given in Clause 12 and Clause In such cases means should be provided for rescue of persons in the event that a fall results in 7121- being suspended at the end of a lanyard.

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This be of practice therefore aims to: If the programme is of several days duration, daily forecasts should be obtained to ensure that the crane can be secured in a suitable configuration if high winds are indicated see A far less common type of external climbing system has the crane superstructure located on an inner tower which telescopes from an outer tower.

Alternatively, other audio or visual methods may be used. These ns the Appointed Person and the Erection Supervisor to decide if the operation may proceed.

Arrangements for effective communication among the team and if necessary with adjacent crane operators in case of danger should be available. Bz at Height Regulations It is essential for the safety of the operation to ensure that all personnel can communicate clearly in the same language.

All possible events should be included in the risk assessment and contingency arrangements drawn up and recorded in the method statement.

Itpresents the UK view on standards in Europe and at the international level.

The climbing equipment can then be engaged in the new section and the climbing process repeated. A suitable allowance needs to be made for deflection when calculating the clearance between adjacent cranes see 4. Find Similar Items This product falls into the following categories. Compliance with a British Standard cannot confer immunity from legal obligations. The simpler tasks with less potential hazard should be dealt with first before progressing to more complex operations.

NOTE Past experience has shown that artificial light is inadequate for the task to be carried out safely. Multiple crane types If there is a requirement to operate more than one type of crane, ba should be given for each type and, although this would not normally require a re-run of the complete basic training course, it should cater for the differences between types of crane. This should include adequate edge protection on working platforms or the use of fall protection Personal Protective Equipment PPE such as full body harnesses and shock absorbing lanyards.

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The nature and extent of this training depends on the complexity of the new equipment and the degree of difference from the equipment with which they are familiar. Records of training and experience of persons such as the crane operator assist in the selection of suitable personnel.

BS 7121-2-5:2012

The frame is then lowered until the joints on the crane superstructure engage with the top of the new section. Site visits As part of the planning process it is essential that the person carrying out the planning visits the site at which the operation is to be carried out.

On large construction sites where multiple lifting operations are carried out by various subcontractors, the hs contractor should appoint the appointed person for the site. To achieve and maintain a safe system of work for the implementation of a permit system several conditions need to be met and these should include the following: It has been assumed in the preparation of this British Standard that the execution of its provisions will be entrusted to appropriately qualified and experienced people, for whose use it has been produced.

Full text of “Safety British Standards”

Duties, but not responsibilities, may be delegated to another person where considered appropriate. Where the cables form a proximity hazard and it is reasonably practical to turn the power off, steps should be taken by the appointed person 7121-55 isolate the power. These arrangements should take into account any parking restrictions both on site and in the surrounding area. This may include consultation with other responsible bodies if necessary and ensuring that, where different organizations are involved, they collaborate as 71215.

Selection tests may be used as part of the process. NOTE 2 In the case of saddle jib cranes it is usual practice to bring the trolley or carriage to a 71215 radius position.