Handbook Of Construction Management And Organization – Demolition Plan And Stages Of Demolition

Assessing the needs

Discuss about the Handbook of Construction Management and Organization.

Numerous steps are involved in the demolition of a dwelling unit or an existing building that need to be achieved to ascertain that the demolition process remains in line with the stipulated regulations and guidelines. The demolition steps are as shown:

Assessing the needs-Demolition should address the defined and specific needs in order to customize the plan of demolition (Ching, 2016). The specific needs should be defined as per the specific projects as numerous factors and approaches are required in the demolition of a structure.

Creating a plan-The plan include the method that is to be deployed in carrying out the demolition besides the equipment that would be adopted in conducting the demolition. The building should be demolished in such a way that the safest and the most efficient strategy are adopted. The reasons for demolition, the size of the dwelling unit and the types of construction materials used determine the plan to be used in the demolition process (Workshop, 2015).

The location of the building as well has a significant role in creating such as plan and such method as selective demolition, implosion, deconstruction and the conventional excavator with a grapple can be adopted (Research, 2013). The company is able to make a choice on which method to adopt upon establishing a plan. The company will as well be able to make decision and come up with the cost, the equipment to be used, the mode of disposal and the quantity of the debris. The demolition plan should also encompass emergency plans and back up plans as part of the whole demolition plan to take charge of any possible eventualities.

Getting Permits-The commencement and execution of a demolition plan requires approvals from the necessary authorities (Massey, 2011). This is due to the fact that demolition of any structure has significant impact on the environment that must be approved by the concerned authorities. Demolition can also lead to alterations of the property taxes and the worth in the regions in which the demolition is to be conducted.

This stage involves taking into account all the measures that would ensure that the demolition process does not pose any harm or danger to the environment as well as to human health. Among the activities involved in this stage include:

• Installation of scaffolds that would be used in reaching raised levels of the building
• Fencing of the demolition site
• Handling of the communication systems that are meant for internal staff to ensure they are safeguarded in the demolition process.
• Covering the eternal façade of the building using special sackcloth to ensure the perimeter does not fall rubble. The columns that are packed with explosives such as asbestos should also be converted using special geotextile so as to reduce ejection of fragments from the building
• Setting up of personal protection measures by the contractors that are set to perform the demolition. Such protecting measure includes clothing and equipment among other measures.
• Ensuring the building is guarded by a security company or a police from the municipal throughout the course of the project

This involves separating the building from adjacent structures to ensure a safe distance of about 10 meters between the building to be demolished and the structure that is to remain. Still, a distance of about 11.2m is needed from the road pavement in front of the building which is achieved through clearing the structures that are in front of the building.

Creating a Plan

The balconies are dismantled at this stage to ensure an optimization of the final fall of the structures at the time of demolition execution.

The demolition equipment are positioned based on an assessment that would ensure the building falls towards the center starting from the sides that are close to the center. This technique has a direct relationship with the grid of columns which should be taken into consideration during the demolition process.

This is basically the final stage of demolition and is conducted by experienced and skillful personnel. The demolition equipment such as crane, bulldozers or excavators are set on the building from its sides or roof in such a way that the building collapses at the center. Each of the zones dragged the required section of plates and beams thereby forming the highest point of heap

Stage 5: Handling and Recycling of Materials

A flat heavy sequent is used in removing the demotion debris. Such equipment includes excavators and skid-steer loaders which load the debris onto trucks and transported to the appropriate recycling facility onsite. A clearance report is then provided by an industrial hygienist on the waste disposal of any remaining debris.

Demolition will need to be in complaint with the following:

• Provisions of the Planning and Development Regulation 2008
• Building Act 1993
• NS Environmental Planning and Assessment Act 1979
• Building Regulations applicable to the state of Victoria
• AS 2436-Australian Standards and Codes of Practice on Noise Control
• Building Act 2011
• AS 2601-The Australian Standards for Demolition of Structures

Bushfire (medium risk)-P2.3.4:  A Class 1 building that is built in a designated bushfire prone are must be provided with protection to reduce the risk of ignition in the event of a bushfire by embers until the fire front passes.

High wind-3.10.1: The intent of building construction in high wind areas is to ensure the structure has sufficient strength to transfer wind forces to the ground with adequate safety margin to prevent the collapse of the building and the building being lifted or slid off its foundations.

Earthquake-3.10.2.2: Construction in earthquake areas must comply with the following:

1. In locations with an acceleration coefficient of 0.12 or more but less than 0.15, a Class 1 and 10 building must comply with 3.10.2.3
2. In locations with an acceleration coefficient of 0.15 or more, a Class 1 and 10 building must comply with 3.10.4.

Alpine area (NSW)-P2.3.5: A building in an alpine are is to be provided with additional measures in view of the increased difficulties in fighting fire and maintaining access and means of egress in snow conditions.

Question 4

LOCATION OF DEVELOPMENT . . . . . . . . . ………………………..

INSPECTION OFFICER  . . . . . . . . . . . . . . . . DATE . . . . . . . . . . . . . . . . .

SIGNATURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

N/A – not applicable

4  – Acceptable controls adopted

7   – Measures are not acceptable, or a potential problem exists

Part A: Initial site inspection
Item	Consideration
1	Has an Erosion and Sediment Control Plan (ESCP) been approved for the site?
2	Have all necessary development approvals been obtained?
3	Are there any survey pegs on the site?
4	Are there any fences or boundary demarcation on the site?
5	Is the site adjoining any property on either of its sides?
Part B: Monitoring and Inspection
Item	Consideration
3	Are site conditions consistent with those assumed within the approved ESCP?
4	Are environmental values being adequately protected?
Part C:Site inspection and monitoring
Item	Consideration
5	Appropriate in-house site inspections of ESC practices are being carried out such that all control measures are being maintained.
6	Site inspections and monitoring are being carried out at appropriate times and intervals.
Part D:Site establishment
Item	Consideration
7	Site access is controlled and the number of access points minimized
8	Adequate drainage and sediment controls exist at site entry/exit points
9	Adequate drainage, erosion and sediment controls have been placed around the site compound.
Part E: Site and vegetation management
Item	Consideration
10	Vegetation Management Plan (VMP) and/or landscape plan has been prepared
11	VMP and/or landscape plan is being appropriately implemented.
12	Site personnel appear to be aware of ESC requirements and have ready access to the Erosion and Sediment Control Plan.

List and description of the building services

• Energy supply-include the supplies for gas and electricity. The Australian code for the service is AS 4564, AS/NZS 3018:2001
• Air conditioning and refrigeration services-The Australian code for the service is AS 1668.2, AS 2665:2001(Frein, 2012)
• Lighting-includes both daylighting and natural lighting services. The Australian code for the service is AS 1680.
• Heating and ventilation-The Australian code for the service is AS 1668.2, AS 2665
• Water supply-Encompasses the services of supply, drainage and plumbing-The Australian code for the service is WSA 03-2011, AS 3500, Sewer AS 2200 and AS 5037
• Communications and telephonic services-The Australian code for the service is AS S009:2013, AS/NZS 3084+3086(Workshop, 2015)
• Security and alarm systems-The Australian code for the service is AS 2201.1
• Fire detection and protection services-The Australian code for the service is AS 1670.1, AS 1603.2

The above services are classified into either mechanical or electrical systems. Mechanical systems include:

HVAC systems, an abbreviation for heating, ventilating and air-conditioning and are among them active mechanical/ electrical services

Site Drainage which are among them drainage, water, sanitary disposal and removal of waste water from the various disposal points (Blake, 2013)

Gas supply, which include cooking, supply and pressure regulation of gas from the container to the designated areas nitrogen and commercial gases and are among them storage, piping

Fire protection includes water supply, smoke detection, and water sprinkler

Plumbing that deals with storage, water treatment, sanitary fixtures distribution, sanitary facilities

System	Quality	Remarks
Footing	Material for the formwork
Water tightness of the form
The dimension of the footing
Reinforcement bar quality
Footing placement
Accessibility of the footing
Machineries and tools
Ingredients of the concrete
Reinforcement clear cover
Reinforcement of the column
Timber Floor	Grouting
Dimensions of the sub-frame opening
Cement grout used
Dimensions of the sub-frame
Treatment of the sub-frame surface
Condition of the floor
Alignment and plumb of the sub-frame (Moraglio, 2017)
Dimensions of the wall openings
Framed Roof	All truss hangers nailed
Top/bottom plate holes are sealed
All top and bottom of chases are fire stopped
Installation of all roof ventilation
Positive connection on all beams and post
Horizontal penetrations are sealed
All joist hangers are nailed
Anchor bolts installed
Concrete Floor	Sand blinding
Under floor insulation
Starter steel returned to slab
Size of the mesh
Check siting
Ground clearances
Thickness of concrete
Timber Frame Walls	Installation of binders
Setting down of non-load bearing walls
Straight and level entry bulkheads (BizPlanDB, 2014)
Removal of the bottom plate
Consistent internal opening sizes of the doors
Ground clearances
Truss roof	Well fitted in horizontal position accompanied by the required anti-rotation fixing of bolts and screws
Same level of the support or adjacent trusses
Correctly fixed ceiling to the underside of the timber framing
Straight and plumb trusses
Masonry Walls	Wetting of the bricks
Checking of the curing and racking
Erection of frames
Quality of bricks and materials of sand
Proper an appropriate bundling of the bricks

References

BizPlanDB. (2014). Demolition Contractor Business Plan. Oxford: BizPlanDB.

Blake, L. S. (2013). Civil Engineer’s Reference Book. New York: Elsevier.

Ching, F. D. (2016). Building Codes Illustrated: A Guide to Understanding the 2015 International Building Code. New York: John Wiley & Sons.

Frein, J. (2012). Handbook of Construction Management and Organization. Oxford: Springer Science & Business Media.

Massey, S. (2011). Best Practices for Environmental Project Teams. Manchester: Elsevier.

Moraglio, M. (2017). Driving Modernity: Technology, Experts, Politics, and Fascist Motorways, 1922-1943. London: Berghahn Books.

Pepper, I. L. (2011). Environmental Microbiology. London: Academic Press.

Research, I. S. (2013). Housebuilding and the New Homes Market: A Survey. Sydney: Industrial Systems Research.

Workshop, D. (2015). Landscape Architecture Documentation Standards: Principles, Guidelines, and Best Practices. London: John Wiley & Sons.