Manage Project Quality: Strategies for High Quality Concrete Work

Manage Project Quality 1
MANAGE PROJECT QUALITY
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Manage Project Quality 2
Manage Project Quality
Good quality concrete work is very essential for all construction works. Therefore the
need to implement strategies that will ensure high quality concrete work in this project is
inevitable. This quality manual will ensure that all concrete work for Blue Mountains Project
meets the required standards specified in the contract documents and that of engineering practice.
1. Formwork
Formwork determines the final shape and position of concrete (Civil Guides, 2017). The
design, preparation, installation and removal of formwork shall be done in accordance with AS
3610 and AS/NZS 4671 requirements and specifications. The formwork used in this project shall
be strong and rigid enough to resist different loads imposed on it until when the concrete attains
full strength (Committee BD-043, 2010). The formwork shall be designed correctly and installed
properly; it shall be perfectly watertight so as to prevent water loss from fresh concrete after
placing it in the formwork; internal surfaces of the formwork shall be cleaned and oiled before
the concrete is placed in it; and concrete shall be dropped into the formwork vertically to prevent
segregation.
1.1. Materials
The formwork in this project shall be made using timber, plastic, plywood and/or metal
(aluminium or steel) depending on availability and cost. These materials shall be obtained from
reputable suppliers. Samples shall be taken and tested to ensure that they meet the minimum
strength requirements.

Manage Project Quality 3
1.2. Design and preparation
Formwork shall be designed to fit the exact dimensions of concrete structures to be
constructed. Engineers shall design the formwork sheeting, formwork bearers and formwork ties
in accordance with AS 3610 requirements. Preparation shall include cutting the formwork into
the desired shapes and sizes, cleaning and oiling internal surfaces of the formwork, and joining
the forms so as to create the desired molds.
1.3. Installation
After preparation, the formwork shall be installed by qualified personnel in their respective
locations. Appropriate tools and equipment shall be used to install the formwork to ensure that it
is sufficiently braced and spliced to avoid misalignment. Levels and squares shall be used to
ensure that the formwork is vertically and horizontally straight or aligned. The formwork shall
also be maintained within specified design tolerances (Rodriguez, 2016).
1.4. Removal
Removal of formwork shall be after the specified period in the contract documents. The
formwork shall only be removed after the concrete has gained sufficient strength. Removal of
formwork shall be in the following sequence: shuttering that form vertical faces of columns,
beams and walls; shuttering that form slab soffits; and shuttering that form beam soffits (Daily
Civil, 2017). It is understood that inappropriate removal of formwork causes deformation of
fresh concrete under its weight resulting to cracking, dimensional tolerance loss or collapse
hence the formwork shall be removed by following the recommended procedure in AS 3610.