A Guide to Demolition: Why, When, and How?

A Guide to Demolition: Why, When, and How?

Be it a Factory Demolition or a residential one, a building needs to be put down following some sequential steps. Otherwise, it will give rise to new issues.

So, first things first, engaging the right demolition company is crucial. And once you hire a demolition company, the work merely starts. The demolisher will make you aware of everything that follows afterwards, but here’s a guide to demolition in Melbourne.

Let’s start with the definition Definition and Types of Demolition Demolition is, as the name suggests, a process of demolishing a property. It’s a way of removing the existing construction to use the land for a different purpose. In some cases, it may even be a partial demolition.

Demolitions can be divided into two categories: residential and commercial/industrial demolition (e.g. factory demolition). Then there is special structure demolition, which is a special case.

Depending on the property kind, the procedure will follow. But the basics are the same; employ a demolition company, obtain necessary permits and approvals, choose your method of demolition, and give the green light.

Reasons for Demolition It may be a factory demolition or a residential one; the reasons can be many. One of the most common reasons for bringing down a structure is the risk of an unexpected collapse, due to damage or age.

Some of the other reasons can be as follows; •

The need to replace an old structure with a new one

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Uninhabited buildings that become frail due to poor upkeep

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The cost of maintenance and repairs outweighs the cost of investment and demolition expenses.

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If a building is damaged by natural calamities such as hurricanes, storms, and floods.

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If demolition is required by the law

Whatever the reason, you can opt for demolition whichever way you want. You may go for total demolition or partial demolition. It totally depends on your requirements. The ways of demolition are primarily four.

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Total demolition

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Partial or selective demolition

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Interior demolition

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Dismantling/Deconstruction

Methods of Demolition 1. Manual Demolition The first method of demolition is the manual one. It’s a very strenuous and time-consuming process. The manual demolition technique involves using hand instruments such as jackhammers, sledgehammers, and picks.

One of the major hazards of manual demolition is the risk of unexpected collapses. So it’s extremely important to get the condition of the roofs, walls, and floors of the building assessed by a qualified person before initiating demolition work.

2. Demolition by Explosives Explosive demolition is a highly specialised sort of demolition that includes the use of explosives to knock down high-rise building structures. A building is caused to collapse in on itself by targeting a building’s structural support.

Only a qualified individual with a licence to use explosives and experience in the job at hand may use explosives. This person must also prepare the blast management plan and be accountable for all elements of explosives usage in demolition.

3. Mechanical Demolition This is another method of demolition. In this, motorised mobile machinery such as excavators, cranes, loaders, and bulldozers are used to bring down structures. Sometimes, there may be a blend of manual and mechanical demolition methods used.

Also, demolition should be planned in a systematic and progressive manner. That is, a structure should normally be dismantled in the reverse sequence in which it was built.

4. Induced Collapse An induced collapse is the controlled collapse of the entire or part of a building or structure induced by the systematic elimination of essential structural elements and the application of a force.

A few things to remember if you want to go with induced collapse are as below.

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Before using this procedure, seek expert guidance from a qualified individual, such as a structural engineer.

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This method of induced collapse should only be applied to detached, isolated buildings on adequately level sites.

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There needs to be enough room for the collapsing material to settle.

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The area needs to be big enough to hold the fallen material and also provide for personnel and equipment to move to a safe distance before the collapse.

Conclusion While the reasons may be different, a building or structure needs to be demolished when it isn’t adding value or, worse, putting you at risk. However, you may choose how to go about it. As we discussed, you have quite a few options to choose from.

For example, if you are planning a factory demolition, you can either go for total demolition or the interior parts of it. It is solely based on your requirements and preferences.

Also, it’s important to choose the right service provider for Demolition in Melbourne. The work may be the same, but the working style makes a difference. Some companies even provide sustainable ways of demolition in Melbourne.

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