Building Demolition Plan Miami Fort Lauderdale Florida

Building Demolition Plan Miami Fort Lauderdale Florida

Building Demolition Plan Miami Fort Lauderdale Florida

Building Demolition Plan Miami Fort Lauderdale Florida

Building Demolition Plan Miami Fort Lauderdale Florida

In many circumstances in Miami Fort Lauderdale Florida, buildings and structures should be demolished in the reverse order to their erection; although where partial demolition is involved, a more careful evaluation of the nature of the effects of the demolition is necessary in Miami Fort Lauderdale Florida.

Normally, the demolition contractor is able to adopt a method or technique of work which: Gradually reduces the height of the building; or Arranges the deliberate controlled collapse of the building or structure so that work can be completed at ground level in Miami Fort Lauderdale Florida.

Demolition Technique Selection in Miami Fort Lauderdale Florida

The choice of demolition technique will depend on the nature of the building or structure and its environment in this case is in Miami Fort Lauderdale Florida.

Risks to the public, operatives involved in the demolition process and adjacent structures and buildings should be considered in Miami Fort Lauderdale Florida. Building demolition plan or techniques may be categorized as:

  • Piecemeal demolition, using hand-held tools
  • Mechanical method by: Hydraulic crusher with Long Boom arm, Wrecking Ball, Pusher Arm, Wire Rope Pulling, Clam Shell in Miami Fort Lauderdale Florida.
  • Other Methods like: Non Explosive Demolition Agent, Explosive Demolition, saw cutting, Cutting and Lifting, Water Jet in Miami Fort Lauderdale Florida.

Piecemeal Demolition (Demolition by Hand):

  • For demolitions of reinforced concrete buildings by hand, tools such as electric, pneumatic breakers, jack hammers etc., are commonly being used in Miami Fort Lauderdale Florida
  • Lifting appliances may be necessary to hold larger structural members during cutting and for lowering severed structural members and other debris in Miami Fort Lauderdale Florida.
  • Chutes may be used to discharge debris into a vehicle or hopper in Miami Fort Lauderdale Florida.
  • Foundations would normally be grubbed up by excavation machines in Miami Fort Lauderdale Florida.
  • Demolition sequence shall be determined according to actual site conditions, restraints, the building layout, the structural layout and its construction in Miami Fort Lauderdale Florida.

In general, the following sequence shall apply in Miami Fort Lauderdale Florida

  • All cantilevered structures, canopies, verandahs and features attached to the external walls shall first be demolished prior to demolition of main building and its internal structures on each floor in Miami Fort Lauderdale Florida.
  • When demolishing the roof structure, all lift machine rooms and water tanks at high level shall be demolished in “top down” sequence to the main roof level in Miami Fort Lauderdale Florida.
  • Demolition of the floor slabs shall begin at mid span and work towards the supporting beams. in Miami Fort Lauderdale Florida
  • Floor beams shall be demolished in the order as follows: Cantilevered beams; secondary beams; The main beams in Miami Fort Lauderdale Florida.
  • In the case when structural stability of beams is affected, e.g., due to loss of restraints, the affected beams shall be propped prior to loss of support or restraint; Non-load bearing walls shall be removed prior to demolition of load bearing walls; Columns and load bearing walls shall be demolished after removal of beams on top; If site conditions permit, the first floor slab directly above the ground floor may be demolished by machine sitting on ground level and mounted with demolition accessories in Miami Fort Lauderdale Florida.

Mechanical Building demolition plan are used in Miami Fort Lauderdale Florida:

  • Building Demolition Plan Miami Fort Lauderdale Florida

    Building Demolition Plan Miami Fort Lauderdale Florida

    Mechanical demolition generally involves the use of large machinery with attachment to dismantle the building from outside in Miami Fort Lauderdale Florida.

  • The common mechanical methods include the use of a Hydraulic crusher with long Boom arm, Wrecking Ball, pusher arm, wire rope, clamshell etc., in Miami Fort Lauderdale Florida
  • These methods shall only be applied to isolated buildings on relatively flat ground in Miami Fort Lauderdale Florida.
  • If it is attached to another structure, the two properties should be separated by the use of hand methods before the main demolition process begins in Miami Fort Lauderdale Florida. Building Demolition Plan Miami Fort Lauderdale Florida

Concerns and good practices of the mechanical demolition in Miami Fort Lauderdale Florida generally included the following:

  • The machine shall be operated on smooth and firm ground in Miami Fort Lauderdale Florida
  • It shall also have adequate counter-weight to prevent overturning during the operation; demolition in Miami Fort Lauderdale Florida
  • The equipment and accessories such as attachments and rope shall be inspected frequently and shall be repaired or replaced whenever necessary demolition in Miami Fort Lauderdale Florida;
  • The impact of the collapsed structural sections on the floor or ground shall be checked to prevent the potential overloading of the suspended floor, vibration and disturbance to adjacent properties and damage to underground utilities; in Miami Fort Lauderdale Florida
  • The cab of the machine shall be equipped with impact proofed glass and its construction shall be robust enough to protect the operator from flying debris; in Miami Fort Lauderdale Florida
  • A spot person shall be on site full time to provide guidance and assistance to the operator in the demolition process, in Miami Fort Lauderdale Florida

Demolition Sequence in Miami Fort Lauderdale Florida

In general, the following sequence shall apply in the area of Miami Fort Lauderdale Florida:

  • Prior to demolition of internal floors, all cantilevered slabs and beams, canopies, and verandahs shall first be demolished in Miami Fort Lauderdale Florida.
  • The structural elements, in general, shall be demolished in the following sequence: Slab, Secondary beams; the- Main beams in Miami Fort Lauderdale Florida.
  • Mechanical plant shall descend from the floors with temporary access ramp, or be lowered to the next floor by lifting machinery or by other appropriate means;
  • When a mechanical plant has just descended from the floor above, the slabs and beams, in two consecutive floors may be demolished by the mechanical plant simultaneously. The mechanical plant may work on structural elements on the same floor and breaking up the slabs on the floor above in Miami Fort Lauderdale Florida
  • The wall panel, including beams and columns shall be demolished by gradually breaking down the concrete or by pulling them down in a controlled manner in Miami Fort Lauderdale Florida.

Hydraulic crusher with Long Boom arm in Miami Fort Lauderdale Florida

The crusher attachment breaks the concrete and the reinforcement by the hydraulic thrust through the long boom arm system in Miami Fort Lauderdale Florida. Building Demolition Plan Miami Fort Lauderdale Florida

The hydraulic crusher can be operated from the ground outside the building.

This method is also suitable for dangerous buildings, silos and other industrial facilities in Miami Fort Lauderdale Florida.

For environmental reason, it should be used wherever practicable because of its quietness in Miami Fort Lauderdale Florida. The excavator shall operate on firm ground that can support the machine during the crusher operation in Miami Fort Lauderdale Florida

Except for special applications, each section of the structure shall be demolished in a top down sequence to ensure stability of the structure; in Miami Fort Lauderdale Florida. Debris may be used to build up a platform for the excavator to extend the range of reach. It is important that the debris is densely compacted to support the operation of the excavator in Miami Fort Lauderdale Florida.

The platform must be flat and the slope must be stable. The height of the buildup platform shall be limited to 3 m. The side slope of the temporary platform shall not be steeper than 1:1 (horizontal to vertical) unless the condition allows a steeper slope in Miami Fort Lauderdale Florida.

The slope of access ramp for the machine shall be in accordance with the manufacturer’s recommendation. The width in both directions of the platform shall be at least one and one-half the length of the machine to allow safe maneuver during the demolition operation in Miami Fort Lauderdale Florida. Building Demolition Plan Miami Fort Lauderdale Florida

To minimize the dust impact, the structure shall be pre-soaked with water before demolition. Water shall be continuously sprayed during the crushing operation in Miami Fort Lauderdale Florida

Debris may fall out of the building during the demolition. The site shall be completely fenced off. There shall be 24-hour guarded security to allow only authorized personnel for site access. During the operation of the crusher there shall be no worker within the machine operating area or inside the building in Miami Fort Lauderdale Florida

The crusher operator shall possess the essential skills and significant experience in the crusher operation. There shall be a spot person to assist in the operation and alert the operator of any potential problem during the operation.

Wrecking Ball: The wrecking ball application consists of a crane equipped with a steel ball. The destruction of the building is by the impact energy of the steel ball suspended from the crawler crane. Building Demolition Plan Miami Fort Lauderdale Florida

Clam shell: Demolition by clam shell typically involves the use of a crane equipped with a clamshell attachment which progressively bites away the structure. Special conditions for clam shell are listed in the following:

  • A minimum safety distance of 0.5 times the height of the building element being demolished shall be maintained between the machine and the building during the operation. Building Demolition Plan Miami Fort Lauderdale Florida
  • The process of biting off the structural elements shall begin from the top and progress downwards and
  • The clam shell shall be operated not less than 1 m above the structure being demolished. Building Demolition Plan Miami Fort Lauderdale Florida

Other Methods of Demolition used in Miami Fort Lauderdale Florida.

  • Wire Saw Cutting comprises a special steel wire often impregnated with diamond beads to increase its cutting ability. The wire saw method is a suitable application for projects that require precision and total control of demolition work. A hole shall first be pre-drilled for the passage of the diamond wire, the wire cutting operation follows. Because of its flexibility, it may be used for “hard to reach” areas. In Fort Lauderdale Florida. Building Demolition Plan Miami Fort Lauderdale Florida
  • Diamond Core Stitch Drilling, may be adopted to cut concrete elements by continuously coring a set of holes to carve up the concrete structure in Miami Fort Lauderdale Florida.
  • The thickness of the concrete to be cut depends on the depth of the drilling or coring equipment. Diamond core stitch drilling is particularly suitable in the removal of existing pile cap for construction of large diameter bored pile foundation in Miami Fort Lauderdale Florida. Building Demolition Plan Miami Fort Lauderdale Florida

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