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Materials and Resources. LEED® Leadership in Energy and Environmental Design. Materials and Resources. Goals : To reduce the amount of new materials needed Use materials with less environmental impact Reduce and manage waste. Materials and Resources Credits. MR Prerequisite 1

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slide1

Materials and Resources

LEED® Leadership in Energy and Environmental Design

slide2

Materials and Resources

Goals:

To reduce the amount of new materials needed

Use materials with less environmental impact

Reduce and manage waste

slide4

MR Prerequisite 1

Storage and Collection of Recyclables

NC: REQ

SCHOOLS: REQ

CS: REQ

Intent

To facilitate the reduction of waste generated by building occupants that is hauled to and disposed of in landfills.

slide5

MR Prerequisite 1

Storage and Collection of Recyclables

Requirements

NC, SCHOOLS & CS

Provide an area that serves the entire building and is dedicated to separation, collection and storage of materials for recycling at least:

paper, corrugated cardboard, glass, plastics and metals.

slide6

MR Credit 1.1

Building Reuse - Maintain Existing Walls, Floors, and Roof

NC: 1-3 points

SCHOOLS: 1-2 pts

CS: 1-5 points

Intent

To extend the life cycle of existing building stock, conserve resources, retain cultural resources, reduce waste and reduce environmental impacts of new buildings as they relate to materials manufacturing and transport.

slide7

MR Credit 1.1

Building Reuse - Maintain Existing Walls, Floors, and Roof

Requirements

NC, SCHOOLS & CS

Maintain the existing building structure including:

structural floor and roof decking

and envelope:

exterior skin and framing

Exclude:

Window assemblies

Non-structural roofing material

Hazardous materials

slide8

MR Credit 1.1

Building Reuse - Maintain Existing Walls, Floors, and Roof

Requirements

NC, SCHOOLS & CS

The minimum percentage building reuse for each point threshold is as follows:

slide9

MR Credit 1.1

Building Reuse - Maintain Existing Walls, Floors, and Roof

Requirements

NC, SCHOOLS & CS

The minimum percentage building reuse for each point threshold is as follows:

If the project includes an addition that is more than 6 times (for Core & Shell) and 2 times (for New Construction and Schools) the square footage of the existing building, this credit is not applicable.

slide10

MR Credit 1.2

Building Reuse - Maintain Interior Nonstructural Elements

NC: 1 point

SCHOOLS: 1 point

CS: NA

Intent

To extend the life cycle of existing building stock, conserve resources, retain cultural resources, reduce waste and reduce environmental impacts of new buildings as they relate to materials manufacturing and transport.

slide11

MR Credit 1.2

Building Reuse - Maintain Interior Nonstructural Elements

Requirements

NC & SCHOOLS

The project must use existing interior nonstructural elements in at least 50% (by area) of the completed building, including additions.

slide12

MR Credit 1.2

Building Reuse - Maintain Interior Nonstructural Elements

Requirements

NC & SCHOOLS

Interior nonstructural elements may include interior walls, doors, floor coverings, and ceiling systems.

If there is an addition with more than twice the square footage of the existing building, this credit is not applicable and cannot be achieved.

slide13

MR Credit 2

Construction Waste Management

NC: 1-2 points

SCHOOLS: 1-2 pts

CS: 1-2 points

Intent

To divert construction and demolition debris from disposal in landfills and incineration facilities. Redirect recyclable recovered resources back to the manufacturing process and reusable materials to appropriate sites.

slide14

MR Credit 2

Construction Waste Management

Requirements

NC, SCHOOLS & CS

Recycle and/or salvage nonhazardous construction and demolition debris.

slide15

MR Credit 2

Construction Waste Management

Requirements

NC, SCHOOLS & CS

Develop and implement a construction waste management plan that, at a minimum, identifies the materials to be diverted from disposal and whether the materials will be sorted on-site or comingled.

Excavated soil and land-clearing debris does not contribute to this credit.

slide16

MR Credit 3

Materials Reuse

NC: 1-2 points

SCHOOLS: 1-2 pts

CS: 1 point

Intent

To reuse building materials and products to reduce demand for virgin materials and reduce waste, thereby lessening impacts associated with the extraction and processing of virgin resources.

slide17

MR Credit 3

Materials Reuse

Requirements

NC & SCHOOLS

Use salvaged, refurbished or reused materials, the sum of which constitutes at least 5% or 10% , based on cost, of the total value of materials on the project.

CS

Use salvaged, refurbished or reused materials, the sum of which constitutes at least 5%, based on cost, of the total value of materials on the project.

slide18

MR Credit 3

Materials Reuse

Requirements

NC , SCHOOLS & CS

Mechanical, electrical, and plumbing components, and specialty items such as elevators and equipment cannot be included in this calculation.

Only materials permanently installed in the project.

Furniture may be included if it is included consistently in MR Credit 3: Materials Reuse through MR Credit 7: Certified Wood (MR Credit 6 in Core & Shell).

slide19

MR Credit 4

Recycled Content

NC: 1-2 points

SCHOOLS: 1-2 pts

CS: 1-2 points

Intent

To increase demand for building products that incorporate recycled content materials, thereby reducing impacts resulting from extraction and processing of virgin materials.

slide20

MR Credit 4

Recycled Content

Requirements

Use materials with recycled content such that the sum of postconsumer recycled content plus 1/2 of the preconsumer content constitutes at least 10% or 20%, based on cost, of the total value of the materials in the project.

slide21

MR Credit 4

Recycled Content

Requirements

Material Assembly

The recycled content value of a material assembly is determined by weight.

The recycled fraction of the assembly is then multiplied by the cost of assembly to determine the recycled content value.

slide22

MR Credit 4

Recycled Content

slide23

MR Credit 5

Regional Materials

NC: 1-2 points

SCHOOLS: 1-2 pts

CS: 1-2 points

Intent

To increase demand for building materials and products that are extracted and manufactured within the region, thereby supporting the use of indigenous resources and reducing the environmental impacts resulting from transportation.

slide24

MR Credit 5

Regional Materials

Requirements

NC, SCHOOLS & CS

Use building materials or products that have been extracted, harvested or recovered, as well as manufactured, within 500 miles of the project site for a minimum of 10% or 20%, based on cost, of the total materials value.

slide25

MR Credit 5

Regional Materials

Requirements

If only a fraction of a product or material is extracted,

harvested, or recovered and manufactured locally, then only that percentage (by weight) must contribute to the regional value.

slide26

MR Credit 5

Regional Materials

Requirements

Mechanical, electrical and plumbing components, and specialty items such as elevators and equipment must not be included in this calculation.

Include only materials permanently installed in the project.

Furniture may be included if it is included consistently in MR Credit 3: Materials Reuse through MR Credit 7: Certified Wood (MR Credit 6 in Core & Shell).

slide27

MR Credit 5

Regional Materials

slide28

MR Credit 5

Regional Materials

slide29

MR Credit 6

Rapidly Renewable Materials

NC: 1 point

SCHOOLS: 1 point

CS: NA

Intent

To reduce the use and depletion of finite raw materials and long-cycle renewable materials by replacing them with rapidly renewable materials.

slide30

MR Credit 6

Rapidly Renewable Materials

Requirements

NC & SCHOOLS

Use rapidly renewable building materials and products for 2.5% of the total value of all building materials and products used in the project, based on cost.

Rapidly renewable building materials and products are made from plants that are typically harvested within a

10-year or shorter cycle.

slide31

MR Credit 6

Rapidly Renewable Materials

Implementation

Establish a goal for the use of rapidly renewable materials early in the design phase, identify possible building materials that may be substituted with rapidly renewable products, and find vendors that can achieve this goal.

slide32

MR Credit 6

Rapidly Renewable Materials

Examples of rapidly renewable materials:

Bamboo flooring and plywoodboo

Cotton batt insulation

Linoleum flooring

Sunflower seed board panels

Wheatboard cabinetry

Wool carpeting

Cork flooring

Bio-based paints

Geotextile fabrics such as coir and jute

Soy-based insulation and form-release agent

Straw bales

slide33

MR Credit 6

Rapidly Renewable Materials

slide34

MR Credit 6

Rapidly Renewable Materials

slide35

MR Credit 7: Certified Wood (NC & SCHOOLS)

MR Credit 6: Certified Wood (CS)

NC: 1 point

SCHOOLS: 1 pt

CS: 1 point

Intent

To encourage environmentally responsible forest management.

slide36

MR Credit 7: Certified Wood (NC & SCHOOLS)

MR Credit 6: Certified Wood (CS)

Requirements

Use a minimum of 50% (based on cost) of wood-based materials and products that are certified in accordance with the Forest Stewardship Council’s principles and criteria, for wood building components.

These components include at a minimum, structural framing and general dimensional framing, flooring, sub-flooring, wood doors and finishes.

slide37

MR Credit 7: Certified Wood (NC & SCHOOLS)

MR Credit 6: Certified Wood (CS)

Requirements

Include only materials permanently installed in the project.

Wood products purchased for temporary use on the project (e.g., formwork, bracing, scaffolding, sidewalk protection, and guard rails) may be included in the calculation at the project team’s discretion.

If any such materials are included, all such materials must be included in the calculation. If such materials are purchased for use on multiple projects, the applicant may include these materials for only one project, at its discretion.

slide38

MR Credit 7: Certified Wood (NC & SCHOOLS)

MR Credit 6: Certified Wood (CS)

Requirements

Furniture may be included if it is included consistently in MR Credits 3: Materials Reuse, through MR Credit 7: Certified Wood (MR Credit 6 for Core & Shell projects).

slide39

MR Credit 7: Certified Wood (NC & SCHOOLS)

MR Credit 6: Certified Wood (CS)