Write a 9 pages paper on demolition and renovation of a 40 story building. The explosives are set inside the building targeting particular support points of the building that if they were in tamper with it would result in collapsing of the building. This type of demolition is underutilization in areas with a high population level and in large structures that require violent but effective means. The crew that is in charge of carrying out the demolition needs to study the building with great care so to ensure that the major support points have explosive set targeting them.The dismantling method utilizes the crane mostly, and it is in use to remove parts of walls in a building. It is a convenient way where there is a needs to consider environmental pollution noise and external dangers to the public. However, it makes of use water sprinkling, sawing together with thermic lane. The principal purpose of water jetting is to reduce the incidence of fire outbreak and minimizing air pollution by the dust in production. Thermic lane is preferable when there is the need to destroy the reinforcement steel that is in place in the building or eliminating vibrations or dust production.Selective demolition is cost-effective as it saves assets that can be underutilization again in a different project plan. The principal purpose of this method is keeping structures and damaging them would result in a loss to the owner of the building. In this case, the building is under demolition through the implosion method due to the size and the location. The implosion uses the pressure inside the building and the pressure outside the building it is the collision between the inward pressure and the outward pressure. The pressure outside the building should be greater than the inward pressure to ensure that the building collapses inwardly eliminating the possible danger of throwing structures to the nearby people or buildings. However, the pressure is not the only factor in place. the method weakens the major supporting points and due to the higher force of gravity, the holding structures fail to support the significant weight hence falling significantly. .