Question

Scenario Question.

Omani company for investment ( OCI ), is one of the biggest business company in Oman, it has diverse varieties of investment, one of these businesses is an old tower building, 20 floors located in Seeb area used as offices by multiple companies.

OCI decided to change the purpose of the building to a residential building, so it started to plan to demolish the building through one of its construction company.

The location description of the building is located in a very crowded area, the main gate of the building opening to the main road in the North direction, East and West directions of the building attached to two buildings, the South direction of the building is next to a wadi. after the company communicated its plan to all governmental authorities, the municipality requested that the work should be finish in a very short time due to the nature of the area.

Task's questions:

1/ Identify which suitable technique of demolition that the company has to follow and why?

2/ Mention all the important precautions that should be taken by the demolition contractor.

3/ Discuss the method statement of the demolition operation.  

Answer 1

1. Suitable technique- Selective demolition

Because- The building is attached to other buildings in east and west direction. All other type of demolition techniques will cause harm to those other buildings.In selective demolition, only selected parts of the building is demolished and structural elements can be preserved. Then it can be remodelled to required purpose.

2. Precautions-

• removecopper wiring, glasses, and other materials that could be hazardous on the demolition day.
• implement engineering surveys, utility location, medical services and medical, fire and police contact, prior to the start of any demolition.
• hire only trained and experienced employees
• all employees should be wearing and equipped with the proper equipment
• maintaining a clean and tidy site
• traffic management plans should be established during the planning phase of a project

3. Method statement of the demolition

Method statement describes the

• equipments used for demolition
• the procedure of the demolition
• materials required for the demolition
• surveys that has to be conducted before demolition- Study all available drawings and documents
• Disconnection of services
• Approval of authorities
• Safety measures
• Disposal of demolished material