Transcript Document

LEED
materials and resources
andrea babb, fallon burgdorf, natalie dibenedetto
Materials and Resources Overview
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Material choices are extremely important in reducing environmental impact
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Sustainable material choices can make a significant environmental change
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Construction and demolition of spaces make up approx. 40% of the total solid waste in the US
Material content is a major portion of commercial interior projects because of building materials and furnishings
Alternative material choices/options include:
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Reuse
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Ex: Rehabilitating an existing structure; Specifying salvaged materials in construction documents
Results in less habitat disturbance and less infrastructure
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Recovery
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Salvaged Materials
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Substitute for new materials; saves cost
Recycled-Content Materials
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Taking construction debris and recycling the materials
Reuse of waste products that would otherwise go into landfills
Local Materials
Rapidly Renewable Materials
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Minimize natural resource consumption/depletion
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Because furniture comprises a major part of the materials within a project, every furnishing should be
included in calculating for LEED - CI certification
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LEED Prerequisites and Credits:
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MR Prerequisite 1, MR Credit 1.1, MR Credit 1.2, MR Credit 1.3, MR Credit 2.1, MR Credit 2.2, MR Credit 3.1,
MR Credit 3.2, MR Credit 3.3, MR Credit 4.1, MR Credit 4.2, MR Credit 5.1, MR Credit 6.1, MR Credit 7
***MR stands for Materials and Resources
LEED materials and resources
MR Prerequisite 1 - Storage and Collection of Recyclables Overview
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Intent:
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Requirements to Meet Prerequisite:
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Provide an easily accessible dedicated area that serves the tenant space for collection and storage of materials
for recycling
Must collect and store paper, corrugated cardboard, glass, plastics, and metals at the very minimum
Submittals:
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Facilitate the reduction of waste generated by building occupants that is hauled to and disposed of in landfills
Provide LEED-CI Template, signed by the architect, interior designer, and tenant or landlord, declaring that the
area dedicated to recycling is easily accessible and accommodates the tenant’s recycling needs.
Provide a plan showing the area(s) dedicated to collection and storage of recycled materials, or a letter from the
landlord outlining the building’s recycling plan.
Potential Technologies and Strategy Recommendations:
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Make designated space appropriately sized and in convenient location
Identify local waste handlers and buyers for glass, plastic, metals, office paper, cardboard, organic waste, etc.
Educate/Instruct occupants on the building’s recycling procedures
Consider technology to make the recycling program easier and more effective
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Ex: Cardboard Balers, Aluminum Can Crushers, Recycling Chutes
Credit Interpretation Rulings:
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LEED-CI projects that occupy less than a full building do not necessarily need to provide an outdoor collection
area if one is provided to all building occupants or when the material hauler or landlord makes pick ups within the
tenant space.
LEED materials and resources
MR Prerequisite 1 - Approach and Implementation
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Strategies:
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Determine the extent of services available in the area
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Designate well-marked and size appropriate collection and storage areas for recycled materials (I.e. office paper,
cardboard, glass, plastic, etc.)
Make collection area centrally located and easily accessible for collection vehicles (usually the ground floor)
Provide instruction for occupants and maintenance staff on recycling procedures
The Area Approach to Recycling:
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Determine the services offered by the building owner
Confirm building-wide recycling plan meets requirements of the prerequisite if one is already in place (size,
accessibility, etc.)
In the Design Phase:
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Ex: Local waste handlers, buyers for glass, plastic, metal, etc.
Voluntary method in LEED-CI (adherence to guidelines NOT required)
Seattle passed and ordinance requiring minimum areas for collection and storage of recyclables in commercial
and residential buildings
Minimum recycling area is based on the total square footage of the building
The Occupancy Approach to Recycling:
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Voluntary method in LEED-CI (adherence to guidelines NOT required)
LEED materials and resources
MR Prerequisite 1 - Submittal and Considerations
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LEED-CI Documentation Submittal Requirements:
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LEED-CI Letter Template declaration requires confirmation that the minimum paper, corrugated cardboard, glass,
plastics, and metals are collected
Include a floor plan showing location and size of of area or provide letter from the landlord discussing the
recycling program and how it meets the requirements
If audited, additional documentation such as calculations used in determining the storage area or
correspondence with the building owner may need to be supplied
Issues to Consider and Remember:
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Environmental Issues:
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Economic Issues:
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Improves land, water, and air quality
Initial cost for recycling = minimal
Long-term savings = high (no bill for landfill disposal costs, etc,)
Negative - recycling area uses space that could otherwise be used for something else (implementing technologies like can
crushers can help minimize required space)
Community Issues:
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Recycling materials reduces needs to consume virgin natural resources (recycling 1 ton of paper prevents the processing of 17
tress)
Reduces solid landfill deposits (recycling 1 ton of paper saves 3 cubic yards of landfill space)
Many Communities support and sponsor recycling programs; this generates significant amounts of valuable resources to be
returned to the production process which can boost employment and preserve existing habitat areas within the community
Consider IEQ (Indoor Environmental Quality) - recycling activities that create noise, odors, or air contaminants
should be isolate or done during non-occupant hours
Adding space for collection and storage can raise cost and increase project footprint
LEED materials and resources
MR Credit 1.1 - Tenant Space Overview and Implementation
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Intent:
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Requirements to Qualify for Credit:
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Suggest negotiations resulting in longer leases or ownership
Satisfying the Requirements:
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Provide LEED-CI Template, signed by the building owner or other responsible party, declaring that the occupant
either owns its space or has signed a lease for no less than 10 years
Potential Technologies and Strategy Recommendations:
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Occupant commits to remain in the same location for no less than 10 years
Submittals:
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Encourage choices that will conserve resources, reduce waste, and reduce the environmental impacts of tenant
as they relate to materials, manufacturing and transport
Project area must be either owned by the occupant or is currently in a lease with a term of no less than 10 years
Condominium ownerships can be used toward this credit
There are no stipulations regarding the start of the lease period and the project construction activities or
temporary relocations of occupant during the construction
Total Points Earned Upon Satisfying Requirements: 1
LEED materials and resources
MR Credit 1.1 - Submittal and Considerations
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LEED - CI Documentation Submittal Requirements:
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LEED -CI Letter Template requires declaration that the occupant either owns the space or currently has a least
with a term of no less than 10 years.
Type of commitment must be indicated - either ownership or leaseholder
Project team should maintain documentation of the lease agreement in a leased space during the submittal
review process
Issues to Consider and Remember:
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Environmental Issues:
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Ownership or long-term lease reduce the need and frequency for relocation and the materials and construction activities
associated with that relocation
Longer-term leases generate greater return on energy efficiency
Community Issues:
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Longer-term tenancy entices employees to reside, shop, and enjoy their communities, which helps improve the area
LEED materials and resources
MR Credit 1.2 - Building Reuse: Maintain 40% of Interior Non-Structural Components
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Intent:
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Requirements to Qualify for Credit:
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Provide LEED-CI Letter Template, signed by the architect, interior designer, owner or other responsible party,
listing the all the retained elements and declaring that the credit requirements have been met
Potential Technologies and Strategy Recommendations:
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Must maintain at least 40% (by area) of the existing non-shell, non-structure components
Ex: Walls, Floorings, Ceilings
Submittals:
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Extend the life cycle of existing building stock, conserve resources, retain cultural resources, reduce waste and
environmental impacts of new buildings as they relate to materials manufacturing and transport
Identify the potential to maintain as many of the existing interior elements as possible during the selection and
design phase of the tenant space
Remove any elements that pose contamination risk to occupants
Update outdated components
Quantify the extent of reuse
Total Points Earned Upon Satisfying Requirements: 1
LEED materials and resources
MR Credit 1.3 - Building Reuse: Maintain 60% of Interior Non-Structural Components
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Basically the same as MR Credit 1.2 - Building Reuse ---Only difference is maintain 60% instead of
40%
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Intent:
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Requirements to Qualify for Credit:
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Provide LEED-CI Letter Template, signed by the architect, interior designer, owner or other responsible party,
listing the all the retained elements and declaring that the credit requirements have been met
Potential Technologies and Strategy Recommendations:
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Must maintain at least 40% (by area) of the existing non-shell, non-structure components
Ex: Walls, Floorings, Ceilings
Submittals:
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Extend the life cycle of existing building stock, conserve resources, retain cultural resources, reduce waste and
environmental impacts of new buildings as they relate to materials manufacturing and transport
Identify the potential to maintain as many of the existing interior elements as possible during the selection and
design phase of the tenant space
Remove any elements that pose contamination risk to occupants
Update outdated components
Quantify the extent of reuse
Total Points Earned Upon Satisfying Requirements: 2
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One point is received for satisfying MR Credit 1.2 (Building Reuse - Maintaining 40%) and another point is
earned for satisfying MR Credit 1.3 (Building Reuse - Maintaining 60%)
LEED materials and resources
MR Credit 1.2 and 1.3 - Rulings and Objectives
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Credit Implementation Rulings:
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In LEED-CI, MR Credit 1.2 and MR Credit 1.2 only address non-structural interior components
Fixed items (I.e. doors, walls) found on-site are included int his credit and count toward the % of reuse when
reused for the same function
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If the fixed item found on-site is used for a purpose other than its original intent, it counts towards earning MR
Credit 3.1 and MR Credit 3.2
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Even if not reused, area for these objects must be included in the prior condition area calculation of MR Credit
1.2 and MR Credit 1.3
Full-height wall systems are not included in MR Credits 1.2 and 1.3
Division 12 items (I.e. furniture and furnishings) are addressed in MR Credit 3.3
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Ex: a door is reused again as a door
Ex: using a door to make a table
MR Credit 1.2 and 1.3 Objectives:
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Recognizing the importance of selecting a space where the existing interior aligns with the anticipated used
Recognizing when the design and construction of the space successfully maintain the existing interior
construction
Accomplish these objectives by basing the % on the larger of the following areas:
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The area of components in the prior condition
The area of components in the completed design
LEED materials and resources
MR Credit 1.2 and 1.3 - Implementation and Submittals
•Strategies:
–Develop the architectural program prior to selecting the project space
–Use the program to match the anticipated needs for the enclosed spaces with those in potential buildings under
consideration
•Planning:
–Once the final space is selected and prior to any demolition, the project team should inventory the prior conditions
–Develop a floor plan showing the location of finished ceilings, floorings, interior wall partitions, doors within the
interior walls, exterior and party walls, and exterior windows and doors
–Document any built-in goods that will be reused
–Drawings should provide all the detail necessary to determine that surface area of all these components
•Construction Phase:
–Confirm that the item designated for reuse can, indeed, be reused
•LEED-CI Documentation Submittal Requirements
–Must submit the LEED-CI Letter Template with a table that matches Table 1 (Addressed in Next Slides)
–Additional documentation may be requested demonstrating credit achievement; this can include 2 distinct plans:
–Plan documenting the prior condition
–Final plan showing where the retained components are located
***Periodic progress photos starting prior to demolition and taken through occupancy are ideal means fo
confirming performance on MR Credits 1.2 and 1.3
•Exemplary Performance:
–An Innovation in Design point for exemplary performance may be earned when the requirements reach the next
incremental step (for Building Reuse Maintain Interior Non-Structural Components, this means 80% or grater must be
reused to the the Innovation in Design Point)
LEED materials and resources
MR Credit 1.2 and 1.3 - Calculations
•Quantity of Finished Area:
–Credits MR 1.2 and 1.3 are based on surface areas, which include finished ceilings, walls, doors, flooring, and built-ins
–For walls, determine the finished area between the floor and ceiling
–For interior wall partitions and doors, count the area of both sides ; For exterior and part walls, count only one side
–Subtract the area of exterior windows and exterior doors from both the prior conditions and completed design totals
–For Built-in case goods, determine the finished area
•Prior Condition Calculations:
–Determine the total finished areas that existed prior to the start of the project and any demolition
–If ceiling is exposed both prior to construction and in the final design, include this area in both
–If there was a lay-in ceiling prior to construction but not after, include the ceiling area in the oth the prior condition and
completed design area, but not in the retained components area
•Completed Design Calculations:
–Determine the total finished area in the completed design including all new and retained elements
•Retained Components Area Calculation:
–When determining the retained components area, include only the surface area of ceilings, walls, interior doors, floors,
and built-in case goods that were in the space both prior to construction and in the completed design
–Be sure to include items that have been saved, but may have been relocated
–Ex: full-height demountable walls and doors that were re-hung in a new section of wall
–Items counted in MR Credit 1.2 and 1.3 are NOT to be included in LEED-CI MR Credit 3.1 or Credit 3.2
•Percent Maintained Calculation:
–Complete Table 1(Example on next slide) and divide the Total Retained Components area into the larger of either the
total Prior Condition Area or total Completed Design Area
LEED materials and resources
MR Credit 1.2 and 1.3 - Table 1 Example
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