Construction Management Overview

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Questions and Answers

Which of the following best defines the purpose of project planning in construction?

  • To determine the cost per unit of materials and labor.
  • To outline the details of the completed project in working drawings.
  • To specify material requirements and installation techniques.
  • To establish the foundational elements concerning scope, schedule, objectives, and goals. (correct)

In what context are 'specifications' used within a construction project?

  • They are used to outline safety procedures.
  • They are used to detail the financial payment terms.
  • They are used to set requirements for materials, designs, or services. (correct)
  • They are used to define the project timeline.

Under what type of construction contract does the contractor pre-calculate the entire cost for the project?

  • Unit Price
  • Fixed Cost
  • Lump Sum (correct)
  • Cost Plus

Which tool is specifically used to assess the consistency and setting time of cement?

<p>Vicat Apparatus (C)</p> Signup and view all the answers

Why do Unit Price contracts allow adjustments for quantity changes?

<p>Because contractors base bids on owners' estimations of material quantities. (C)</p> Signup and view all the answers

Which entity’s laws form the basis of project safety requirements during construction?

<p>Occupational Safety and Health Administration (OSHA) (A)</p> Signup and view all the answers

Which laboratory equipment is used to determine the specific gravity of liquids?

<p>Hydrometer (D)</p> Signup and view all the answers

Which device is used to compact fresh concrete to remove voids and excess air?

<p>Vibrator (C)</p> Signup and view all the answers

Which of these materials is NOT a common requirement for a building's footing?

<p>Drywall (B)</p> Signup and view all the answers

What is the primary function of a slump cone in construction?

<p>Testing the consistency of fresh concrete (A)</p> Signup and view all the answers

What is the function of a vapor barrier when constructing a floor or ceiling?

<p>To control moisture migration (B)</p> Signup and view all the answers

Which tool is used for lifting heavy loads using hydraulic fluid?

<p>Hydraulic Jack (C)</p> Signup and view all the answers

What type of material will be least likely seen as part of an exterior building wall based on the document provided?

<p>Roofing Shingles (C)</p> Signup and view all the answers

Which tool is used by bricklayers to handle mortar?

<p>Trowel (D)</p> Signup and view all the answers

What is the purpose of an electric oven in a construction context?

<p>To dry or cure construction materials (A)</p> Signup and view all the answers

Which piece of equipment is designed to apply various types of stress (transverse, compressive, or tensile) to a test sample?

<p>Universal Testing Machine (D)</p> Signup and view all the answers

Which of the following is NOT typically a factor when selecting building materials?

<p>Brand reputation (A)</p> Signup and view all the answers

What is a key benefit of using recycled aggregates in construction?

<p>Reduced carbon emissions (B)</p> Signup and view all the answers

Which material serves as an alternative to steel and concrete, reducing carbon footprints?

<p>Cross-Laminated Timber (CLT) (D)</p> Signup and view all the answers

What does a Life Cycle Cost Analysis evaluate in the context of construction materials?

<p>Total cost of owning, operating, maintaining, and disposing of a material (D)</p> Signup and view all the answers

Which of the following is NOT a principle of sustainability in construction materials?

<p>Maximizing material weight (D)</p> Signup and view all the answers

Which of these is a common challenge associated with using sustainable construction materials?

<p>Higher initial costs (B)</p> Signup and view all the answers

What role does 'green insulation' play in building sustainability?

<p>Lowers thermal energy needs (A)</p> Signup and view all the answers

What is a primary benefit of using geopolymer concrete in construction?

<p>It utilizes industrial by-products instead of cement (C)</p> Signup and view all the answers

What is the main responsibility of a designer regarding material selection?

<p>Choosing all construction materials to fulfill performance goals within budget. (D)</p> Signup and view all the answers

What do Material Specifications primarily provide?

<p>Detailed guidelines describing the features of materials for a project. (A)</p> Signup and view all the answers

What does a 'Closed Specification' imply regarding material substitution?

<p>It identifies specific products with no room for substitutions. (B)</p> Signup and view all the answers

If a specification names a product but allows substitution by adding ‘or approved equal’, what type of specification is it?

<p>An open specification. (D)</p> Signup and view all the answers

Which of the following is an example of a performance criteria in material selection?

<p>Specifying the required strength and corrosion resistance. (D)</p> Signup and view all the answers

What is a key consideration relating to 'End-of-Life Management' of construction material?

<p>Using materials that can easily be recycled or decomposed safely. (D)</p> Signup and view all the answers

Why might a project prioritize materials with a long lifespan?

<p>To reduce the frequency of material replacement in the long term. (D)</p> Signup and view all the answers

What does a contractor need to maintain for all products and tools on a construction project?

<p>Manufacturer's Safety Data Sheets (MSDS). (A)</p> Signup and view all the answers

Flashcards

Project Planning

The initial planning phase that sets the foundation for a construction project. It involves outlining the project's scope, schedule, goals, and objectives.

Working Drawings

Detailed drawings prepared by engineers or architects that illustrate the design of the completed project, including specifications for materials and construction methods.

Specifications

A document outlining the requirements for materials, design, products, or services used in a construction project. They ensure quality and consistency.

Lump Sum Contract

A type of construction contract where the contractor provides a fixed price for the entire project. The price covers all materials, labor, and equipment costs.

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Unit Price Contract

A type of construction contract where the contractor charges a specific cost for each unit of material or labor used in the project. This allows for flexibility in quantity changes.

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Footing

The concrete base that supports the foundation of a building. It typically includes steel reinforcement and waterproofing for durability.

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Basement Floor

The concrete slab that forms the floor of a basement level. It often includes waterproofing, vapor barriers, and insulation for moisture prevention.

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Basement Walls

The structural walls that enclose a basement. They are typically made of concrete or concrete blocks, reinforced with steel, and include waterproofing and corrosion-resistant coatings.

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Material Specifications

Detailed documents outlining the specific characteristics and properties of materials used for a particular project, ensuring quality and consistency.

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Open Specification

A type of specification that allows for substituting a named proprietary product with an equivalent alternative, offering flexibility in material sourcing.

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Closed / Proprietary Specifications

A specification type that dictates the use of a specific product with no room for substitutions, ensuring precise selection of materials.

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End-of-Life Management

Materials that are easily reused or break down naturally, minimizing environmental impact and promoting sustainability.

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Performance Specification

A specification where the desired performance characteristics are defined, giving designers freedom to choose the best materials for specific needs.

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Energy Efficiency

Minimizing energy consumption during material production, promoting sustainability and reducing environmental impact.

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Durability and Longevity

Using materials that are known for their durability and resistance to wear and tear, minimizing replacements and extending the lifespan of a structure.

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Analysis of the problem

A step-by-step process for evaluation, involving factors such as performance requirements, budget constraints, and maintenance costs.

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Cost

The cost of materials, labor, transportation, and installation.

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Aesthetics

How the material looks and feels, including color, texture, and pattern.

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Weather/Climate

Conditions like temperature, humidity, and rainfall that might affect material performance.

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Popularity

How popular or widely used a material is, which can influence availability and cost.

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Availability

Whether a material is readily available in the desired quantity and quality.

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Life Cycle Cost Analysis

Evaluating the environmental impact of a material throughout its life cycle, from production to disposal.

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Sustainability of Construction Materials

Using materials that minimize environmental impact and promote resource conservation.

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Environmental Benefits

A method to assess the overall environmental impact of a material, taking into account its production, use, and disposal.

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Hydrometer

A device that measures the specific gravity of liquids, comparing their density to water density. It's a key tool for understanding fluid properties.

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Concrete Mixer

A machine used to mix cement, water, aggregates, and other ingredients for concrete production. It ensures a homogenous concrete mix.

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Slump Cone Test

A test method for determining the consistency of fresh concrete. It measures how much the concrete cone slumps after being filled and removed.

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Universal Testing Machine

A device used to apply controlled stress to a test specimen, measuring its strength and behavior under tension, compression, or shear. It's essential for assessing material properties.

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Vibrator

A tool used to vibrate fresh concrete to remove trapped air bubbles, making it denser and stronger. It improves workability and durability.

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Tamping Rod

A tool used to compact fresh concrete inside molds to eliminate voids and excess air. It ensures a dense and uniform concrete structure.

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Pressure Gauge

A device that measures the pressure of a liquid or gas within a system. It's crucial for monitoring and controlling pressure in various applications.

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Trowel

A tool used to mix and work with mortar for bricklaying. It enables smooth application and shaping of mortar.

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Study Notes

Project Planning

  • Sets project foundations, scope, schedule, quality standards, and goals.

Working Drawings

  • Prepared by engineers or architects, showing project details.

Specifications

  • Documented requirements for materials, designs, products, or services.

Construction Contract Types

  • Lump Sum: Contractor estimates all costs (materials, labor, equipment).
  • Unit Price: Contractor calculates cost per unit of material, including overhead and profit.

Project Safety

  • Based on OSHA regulations.
  • Requires Manufacturer's Safety Data Sheets (MSDS) for all products and tools.

Construction Scheduling

  • Allows deployment of resources (personnel, money, equipment, materials).

Construction Materials

  • Common materials: wood, asphalt, stone, sand, concrete, rebar, plywood, etc.

Suppliers/Vendors

  • Provide materials, partially or fully built.

Construction Stage

  • Inspectors present to oversee work.

Materials with Various Qualities

  • Footing: Concrete, steel reinforcement, waterproofing membrane.
  • Basement floor/walls: Concrete, rebar, waterproofing membrane, vapor barrier, epoxy, corrosion-resistant coatings.
  • Other floors/ceilings: Concrete slab, wood/steel beams, plywood/concrete panels, vapor barrier, insulation, finishing materials.
  • Outside walls: Structural frame, concrete blocks, insulation, exterior finishing.
  • Partitions: Wood/steel studs, gypsum board, mineral wool/fiberglass insulation.
  • Roof: Decking, trusses/rafters, insulation, waterproofing, roofing shingles/tiles.

Selecting Materials

  • Designer: Responsible for material selection, performance, and budget.
  • Maintenance: Includes cleaning, preventing/repairing corrosion damage, and replacing damaged materials.
  • Material Specifications: Detailed documents describing material characteristics and properties.
  • Closed/Proprietary Specifications: Identify specific products without substitutions.

Open Specification

  • Allows substitutions to the named proprietary product.

Performance Specification

  • Specifies desired performance characteristics (appearance, strength, etc.).

Factors Affecting Material Selection

  • Cost, aesthetics, weather/climate, popularity, availability.

Life Cycle Cost Analysis

  • Evaluates the total cost of owning, operating, maintaining, and disposing of a material/system throughout its life.

Sustainability in Construction Materials

  • Resource Efficiency: Using renewable and recycled materials (ex: recycled steel, reclaimed wood).
  • Energy Efficiency: Minimizing energy usage during production (ex: low-carbon concrete).
  • Durability and Longevity: Using long-lasting materials.
  • End-of-Life Management: Materials that can be recycled or safely decomposed.

Sustainable Materials Examples

  • Bamboo, recycled aggregates, cross-laminated timber (CLT), geopolymer concrete, green insulation.

Environmental Benefits

  • Reduced carbon emissions.
  • Waste reduction.
  • Energy savings.

Challenges & Opportunities

  • Higher initial costs.
  • Limited availability in some regions.
  • Lack of awareness or expertise in sustainable practices.

Laboratory & Field Testing Equipment

  • Sieve Set: Separates solids by size.
  • Balance: Weighs materials/samples.
  • Graduated Beaker: Measures liquid volume.
  • Calculator: Performs mathematical operations.
  • Slump Cone: Tests concrete consistency.
  • Hydrometer: Measures liquid density.
  • Universal Testing Machine: Applies stress to test specimens.
  • Concrete Mixer: Mixes concrete components.
  • Pressure Gauge: Measures pressure.
  • Tamping Rod: Eliminates air voids in concrete.
  • Vicat Apparatus: Tests cement, mortar, and concrete consistency/setting time.
  • Electric Oven: Heats chambers for drying/curing.
  • Shovel/Trowel/Wheelbarrows: Move loose materials/transport heavy loads.
  • Hydraulic Jacks: Lift heavy loads.
  • Funnel: Directs liquids/powders.
  • First-Aid Kit: Worker medical kits.
  • Thermometer: Measures temperature.
  • Vibrator: Removes air bubbles from concrete.

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