Section 6: Materials & Resources (MR) Flashcards
What are the three main issues LEED focuses on for Materials & Resources (MR)?
- Conservation of materials
- Environmentally, socially, and locally preferable materials
- Waste management and reduction
Name five strategies for conserving materials throughout a project’s life-cycle
- Reuse existing buildings and salvages materials
- Plan for smaller, more efficient compact communities
- Design smaller, more flexible homes and buildings
- Use efficient framing techniques
- Promote source reduction in operations
With advanced framing, studs can now be spaced by how far?
24 inches
Name four strategies to promote sustainable purchasing during design and operations
- Identify local sources or environmentally preferable products
- Develop a sustainable materials policy
- Specify green materials and equipment
- Specify green custodial products
Incineration of waste produces what as a byproduct?
Carbon dioxide
Landfills tend to produce which potent greenhouse gas?
Methane
The United States currently recycles approximately what percentage of its solid waste?
32%
Name three strategies to reduce waste during construction
- Design buildings that produce less waste
- Develop a construction waste management policy
- Establish a tracking system
Name six strategies to reduce waste during during operations and maintenance
- Develop a solid waste management policy
- Conduct a waste stream audit
3, Maintain a recycling program - Monitor, track, and report
- Compost
- Provide recycling for durable goods
What is meant by cradle-to-gate?
Analysis of a products partial life-cycle, from resource extraction (cradle), to the factory gate (before it is transported for distribution and sale)
What is comingled recycling?
Putting the waste in one container to a facility where it can later be separated into different recyclable components
According to the EPA, what is the hierarchy ranking for the most environmentally sound strategies in municipal solid waste?
- Source reduction
- Reuse
- Recycling
- Waste-to-energy
What is adaptive reuse?
The process of reusing an old site or building for a purpose other than which it was built or designed for
What is cradle-to-grave?
A product that accepts disposal as part of a product’s life cycle
What is a cradle-to-cradle?
Materials which are perpetually circulated in closed loops – essentially a waste-free product. Both the product and any byproducts have value
What does FSC stand for?
The Forest Stewardship Council
What does EPD stand for?
Environmental Product Declaration
What does Environmental Product Declaration do?
Provides a full disclosure of the potential chemicals of concern in products by comparing product ingredients to a wide variety of “hazard” lists published by government authorities and scientific associations
What is FSC Chain of Custody?
A tracking system that allows manufacturers and traders to demonstrate that timber comes from a forest that is responsibly managed in accordance with FSC principles
What is pre-consumer material?
Material from industry scraps that was diverted from the waste stream and used for other purposes
What is post-consumer material?
A waste type produced by the end consumer of a material stream; that is, where the waste producing use did not involve the production of another product
What is post-consumer fiber?
Fiberous waste from municipal waste streams. Examples would be paper or paperboard
What minimum types of items must be recycled during operations to meet the requirements of the MR prerequisite?
- Paper
- Corrugated cardboard
- Glass
- Plastics
- Metals
Rapidly renewable fiber or animal materials must be grown or raised within what time-frame period?
10 years or less
What is the difference between Preconsumer waste and Postconsumer waste?
Pre consumer waste is material left over from the manufacturing process.
Post consumer waste is Manufactured products at the end of their useful life
Why does LEED not encourage the reuse of plumbing fixtures?
They have higher water demands
Materials that are made from plants that grow to harvestable maturity in 10 years or less are known as what?
Rapidly renewable materials
Why does LEED not encourage the reuse of windows or window glazing?
Older exterior windows/glazing are energy inefficient
GreenScreen standard is associated wit which LEED system?
Product Disclosure and Optimisation
Which type of material requires a Chain-of-Custody document?
Certified Wood
What is an agrifiber product?
A product made from agriculture fibre such as wheat board or straw board
What is land-clearing debris?
Waste from land-clearing, including soil, vegetation and rocks