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LEED AP: Materials & Resources
section of LEED v.2.2 reference guide
122
Architecture
02/09/2008

Additional Architecture Flashcards

 


 

Cards

Term
What is the prerequisite for Materials & Resources?
Definition

Storage & Collection of Recyclables

 

Term

What are minimum recyclables for the prerequisite?

Definition
Paper, Plastic, Glass, Corrugated Cardboard & Metals
Term
Is there a recommended size for a recycling area per square foot of the building?
Definition
NO
Term
What are the design considerations for a recycling area?
Definition

Signage

Protection from Elements

Security

 

Term

Is proof of a hauling contract

required for this prerequisite?

Definition
No
Term

What organization is a source

for guidelines for sizing

recycling areas?

Definition

California

Integrated Waste Management Board

(CIWMB)

1999 Statewide Waste Characterization Study

Term

Under what submittal is the

storage of recyclables?

 

And, what are the 3 submittal requirements?

Definition

Design Submittal

 

Confirm collection areas are provided

 

Confirm types of materials to be collected

 

Provide narrative of special circumstances

Term

Recycling 1 ton of paper

prevents processing of how many trees?

 

And, how how much landfill space

does it save?

Definition

17 Trees

 

3 cubic yards of landfill space

Term

What percentage of energy

is required to produce recycled alumnium

versus virgin aluminum?

Definition
5%
Term

What is the intent of the

Materials & Resources

prerequisite?

Definition

Storage & Collection of Recyclables

 

Reduce waste generated by

building occupants that is disposed

of at landfills.

Term

What is Credit 1.1

of Materials & Resources?

Definition

Credit 1.1

 

Building Reuse

Maintain 75% of Existing

Walls, Floors & Roof

Term

What does maintaining 75%

of existing walls, floor & roof

include?

Definition

Based on surface area.

 

Existing building structure

Structural floor & roof decking

 

Envelope

Exterior skin & framing

Term

What elements are not included in

requirements for maintaining

75% of existing walls, floors & roof?

Definition

Window assemblies

 

Non-structural roofing material

 

Hazardous materials not remediated

as part of the project

Term

Materials & Resources Credit 1.1

is not applicable under what

circumstances?

Definition

An addition

 If it is more than 2 times the square

footage of the existing building

Term
What is the intent of Building Reuse Credit 1.1?
Definition

Extend life cycle of building

 

Conserve resources

 

Retain cultural resources

 

Reduce waste & environmental impact

Term

What is Materials & Resources

Credit 1.2?

Definition

Maintain 95% of existing walls, floor & roof

based on square footage

Term
What is Materials & Resources Credit 1.3?
Definition

Maintain 50% of interior non-structural

elements - by square foot area

Term

What are the non-structural, interior elements

that should be maintained

in Credit 1.3?

Definition

Interior walls, doors, floor coverings

ceiling systems

Term

Reused portions of buildings

that don't qualify for MR Credit 2

can be applied to what other area?

Definition

Construction waste management

MR Credits 2.1 or 2.2

Term

If fixed items such as windows and

doors are reused for

functions other than what they

were originally designed to do,

what credits may they apply to?

Definition
MR Credits 3.1 or 3.2
Term

Should structural support elements

like columns and beams

be quantified separately?

Definition

No. The are considered part of

the larger surfaces they are

supporting.

Term

What is the calculation for

determining the percent of

existing building elements

that are reused?

 

Definition

Calculate the square footage of existing areas

Calculate the square footage of reused areas

 

Divide the total reused area by the

total existing area

 

This gives you the percentage to qualify

for Credits 1.1 or 1.2

(75% or 95%)

Term

If reused items do not achieve

MR Credit 2 and are used for

construction waste recycling,

are those elements figured by square footage

or weight?

Definition
Weight
Term

When exterior walls and walls

that adjoin other buildings are
reused, how do you

calculate the area?

Definition

Calculate the exterior surfaces only.

 

Subtract exterior window and door areas

from both existing and reused

totals.

Term

How do you calculate area of

interior structural walls?

Definition
Use the suface area of both sides.
Term

Name three elements that

should not be a part of a

reuse calculation.

Definition

Window assemblies

 

Non-structural roofing materials

 

Unsound structural & envelop materials

 

Hazardous struture and envelope materials

Term

Should you calculate the area of

existing interior, non-structural items

before demolition?

Definition

No

Term

To earn MR Credit 1.3,

is it necessary to have earned

Credit 1.1 or 1.2?

Definition
No
Term

To achieve MR Credit 1.3

that focuses on interior,

non-structural elements,

how do you calcuate the reused area?

Definition

Calculate the total area of new construction

 

Calculate the area of reused

non-structural elements

 

Divide the area of reused elements

by the total area of interior,

non-structural elements.

 

 

 

 

Term

What is the difference between

calculations for interior doors

and interior walls?

Definition

Interior walls should be

calculated for both sides.

 

Interior doors should be one side only.

Term

What is the general calculation

for determining the

amount of reused interior

non-structural elements?

Definition

Divide the total area of existing/reused

materials by the total of all materials.

Term

Can items used to qualify

for MR Credit 1.3 be

used for MR Credits 3.1 & 3.2?

Definition
No
Term

If a project includes an addition ____

larger than the existing building,

reused building materials

may be included in calculations

for MR Credit 2.

Definition
200% Larger
Term

What is the difference between

prior condition

and

prior condition area?

Definition

Prior condition is the project space

at the time it was selected.

 

Prior condition area is the total area of

finished ceilings, floors, full height walls,

demountable partitions, interior doors

and built in case goods.

It does not include exterior windows and doors.

Term

What is the minium

requirement for construction waste management?

Definition

Identify the materials to be

diverted

 

State whether the materials will be

sorted onsite or comingled

Term

Should construction waste

management be calculated by

weight or volume?

Definition

Either one as long as it

is used consistently

throughout the project.

Term

Can excavated soils

and debris be counted

toward MR Credit 2.1?

Definition
No
Term

For MR Credits 2.1 & 2.2

what are the percentages of

construction waste recycling

for each?

Definition

MR Credit 2.1 - 50%

 

MR Credit 2.2 - 75%

Term

What are the steps required

to achieve construction waste management

credits?

Definition

Set goals

Create a waste management plan

Identify materials to be recycled/diverted

Identify the location for recycling

Track recycling efforts

Identify haulers

Term

How much construction waste must be

recycled to qualify for an

Innovation in Design Credit?

Definition
95%
Term

Are construction waste recycling

credits submitted

with the design submittal or

the construction submittal?

Definition
Construction Submittal
Term

What is the calculation

for figuring the amount of

construction waste recycled

on a job site?

Definition

Total the amount of wastes

sent to a landfill

 

Total all construction wastes generated

 

Divide the total amount sent to

the landfill by the total wastes

generated

Term

Projects that don't qualify

for MR Credit_____

may apply quantities to

construction waste recycling.

Definition

MR Credit 1

Term

Materials salvaged

and used on site

can contribute to this credit

if the calculations are not

included in Credit ____

Definition
MR Credit 3
Term

What are the requirements for

construction submittals for

Materials & Resources Credit 2?

Definition

Description of each waste

Location of the recycler

Quantity of waste diverted by category

(reported in tons or cubic yards)

 

A copy of the waste management plan

Narrative as necessary

Term

Tipping fees are

are:

Definition

Fees, usually charged by the ton, at

landfills

Term

The recyclability of

construction materials often

depends on

Definition
Contamination
Term

What are some of the construction

wastes that are usually

economically beneficial to

recycle?

Definition

Asphalt

 

Metals

 

Concrete

 

Cardboard

Term
Definition
Term

What elements cannot

be considered for part of

materials reuse?

Definition

Anything that is not

permanently fixed to the building/project:

plumbing

mechanical

electrical

elevators

specialty equipment

Term

Furniture may be

applied to which

Materials & Resources credits?

Definition
MR Credit 3, 4, 5, 6, 7
Term
Definition
Term

Materials reuse

calculations are based on_____

Definition

Cost of the total value

of materials on the project

Term

One additional credit point for

materials reuse may be

achieved if ____%

is attained.

Definition
10% reused materials for Credit 3.2
Term

What are the two major

groups of reusable

materials?

Definition

Fixed components that can no longer serve

their original function, have been reconditioned

 

Finish materials that can be kept,

refurbished and reused for their
original purpose

 

 

 

 

Term

Materials for reuse

from off-site areas must

Definition

Be used

 

May be salvaged and purchased

 

May be relocated from another

facility used by the occupant

Term

Furniture cannot be

counted toward reused credit

unless

Definition

It is used consistently

across MR Credits 3 - 7

 

Applies to CSI MasterFormat 1995

Divisions 2 - 10

Term

Reused materials

are calculated

base on

Definition

Cost

 

Either actual cost paid

 

or

 

Replacement value

Term

How is replacement value

calculated for materials

that are reused?

Definition

Local pricing for a similar item

 

When actual cost paid is lower than

an equivalent item - use higher number

 

When cost to reclaim an item on site

is greater than an equivalent item -

use the cost of the new item

Term

How are Total Materials Costs

calculated?

Definition

Multiply the total construction cost

by .45

 

or

 

Actual materials costs from

CSI MasterFormat 1995, divisions 2-10

Term

What are the benefits of using

actual materials costs as

opposed to 45% default?

Definition

Projects with less than 45% of materials costs

would be able to achieve

Credits 3.1 and 3.2

because

the total materials costs

are in the denominator of the equation.

Term

When is an Innovation in Design

credit awarded for reused materials?

Definition

When the project achieves

15% reused materials

Term

Buildings account for ______%

of raw stone

and ____% of virgin wood?

Definition

40% raw stone

 

25% virgin wood

Term

What are some hidden costs

associated with buying

reused materials?

Definition

Cost of refurbishing

Transportation costs

Liabilities of toxic contamination

Term

What is required for submittal documentation

for reused materials?

Definition

Description of materials, source, cost

Total project materials costs 

OR

Total project costs for divisions 2-10 to use

the 45% default rate

 Narrative

 

Term
MR Credit 4.1 is
Definition

Recycled Content

10% post consumer

1/2 pre consumer

Term

What is the intent of

MR Credit 4.1 - Recycled Content?

Definition

Increase demand for building products

made with recycled materials

Term

Calculations of

10% recycled content are based on

Definition

At least 10% (based on cost)

of the total value of the

materials in the project

 

post consumer and 1/2 pre consumer

Term

Recycled content value of a

material assembly is

determined by

Definition

Weight

 

The recycled faction of the assembly is

multiplied by the cost of the

assembly to determine

recycled content value.

Term

Recycled content is defined

in accordance with

Definition

International Organization for

Standardization

ISO 14021

 

Environmental labels & declarations

Self-declared environmental claims

(Type II labeling)

Term
Post consumer material is
Definition

material generated by end users

that can no longer be used

for its intended purpose

Term
Definition
Term
Pre Consumer recycled material is
Definition

Material diverted from a waste stream

during manufacturing

 

Excluded materials are:

reworked, regrind, scrap generated

in a process capable of being

reclaimed in the same process

that generated it

Term

An additional credit for use

of recycled materials

(MR Credit 4.2) can be achieved

by

Definition

Using 20% post consumer +

1/2 pre consumer material for a

total of 20% - based on cost

of the total value of materials in the project

Term
Definition
Term

ISO 14021 provides

Definition

Recycled terms

Qualifications for use

Information on symbols, statments and graphics

General verification and evaluation for

self-declared claims

Specific evaluation for selected claims in the standard

 

Term

Who documents the

amount and value of recycled materials?

Definition
The project team
Term

How do you evaluate

value of recycled materials?

Definition

List all materials and their costs

Identify percentage of pre and post consumer

by weight

List recycled content information source

LEED requires a verifiable source

Term

What are the two ways used to

determine total materials costs?

Definition

Multiply total hard construction costs

(CSI MasterFormat 1995, div. 2-10)

by 45% default figure

OR

Add actual materials costs from

the project schedule of values

Term

Why is the 45% default value

available for figuring total materials costs?

Definition

Because of the difficulty in

separating materials costs from

labor and equipment

Term

Why are mechanical, electrical,

plumbing, appliances and equipment

not included in recycled materials costs?

Definition

Because they have a high dollar value

compared to structural and

finish materials and would skew

the equation and incentive

to go recycled.

Term

What is the only building material

that does not have recycled content

information?

Definition

Steel

 

So it is considered to have

25% post consumer content.

 

Electric arc furnaces produce

steel with 90% or higher recycled content

Term

What level of recycled content

materials must be achieved

to qualify for an Innovation Design

credit?

Definition
30% Recycled content
Term
What is a SCM?
Definition

Supplementary

cemenntitious

materials

 

For concrete you can calculate the mass

of the SCMs instead of entire

concrete mix

Term

What does Assembly Recycled

content include:

Definition

Percentages of pre and post consumer

content determined by

dividing weight of the recycled

content by overall weight of the

assembly

Term

Name 5 types of

pre-consumer recycled content

Definition

Wood shavings/sawdust

Bagasse

Sunflower seed hulls

Walnut shells

Trimmed materials

Print overruns

Obsolete inventories

Term

To earn Regional Materials

MR Credit 5.2 how much of the

total materials value must

be extracted, processed and manufactured

regionally?

Definition
20%
Term

Describe Regional Materials

MR Credit 5.1

Definition

Use materials produced and extracted

within a 500 mile radius of project site

to equal 10% of the cost
total materials value

Term

If only a fraction of

the total materials value

is produced regionally,

what percentage by

weight applies to

a regionally produced materials credit?

Definition

Only the percentage of regionally

produced materials by weight

may apply to either

credit.

credit

Term

Whose responsibility is

it to documenting the amounts and

values of regionally produced materials?

Definition
The contractor
Term

Identify 3 requirements

necessary to begin to

calculate the value of regionally

produced materials.

Definition

Name of manufacturer

Product cost

Distance between project site and manufacturer

Distance between project and extraction

sites for each raw material

contained in the product

Term

What materials automatically

qualify for regionally produced

materials?

Definition

Those salvaged from

the project site

Term
Definition
Term

How do you compute

the value of materials that

have more than 1 point of manufracture

within the 500 mile radius?

Definition

List the single item with the

greatest distance.

 

When a portion of the material is

produced beyond the regional limit,

list only the portion produced

within the region and cost

to meet credit criteria

Term

When a regionally produced

material contains only some

elements produced within the region,

how are values calculated?

Definition

Base the proportionality of

costs on the weight of various

regionally produced components.

Term

What is required to earn an

Innovation in Design credit for

materials produced regionally?

Definition

40% of value must be produced within

the region

Term

List the requirements for

documenting regionally produced

material to receive credit.

Definition
Term

What must documentation must

be consistent across all credits

within Materials & Resources?

Definition

Calculation of total project cost using

either the 45% default or

the total materials cost.

 

AND

 

Use of furniture to apply toward

MR Credits 3-7

Term

What is required for submittal

on MR Credits 5.1 and 5.2?

Definition

Total project cost

Regional materials calculations

Name of product and manufacturer

Total product cost for each tracked material

Percentage of product by weight to meet

extraction and manufacture criteria

Distance between project and extraction

Distance between project and manufacturer

Optional narrative

Term
Describe MR Credit 6
Definition

Rapidly renewable materials

Reduces depletion of raw materials and

long-cycle renewable materials

 

Plant or animal harvested in a 10 year or shorter cycle for 2.5% of total value of all

building materials based on cost

Term
Identify 3 rapidly renewing materials
Definition

Wool

Cotton insulation

Bamboo

Agrifibers

Linoleum

Wheatboard

Strawboard

Cork

Term

How is the value of rapidly

renewing materials

calculated for assembled products?

Definition

By weight

 

 

Term

What must be achieved to

qualify for an Innovation in Design credit

for rapidly renewing materials?

Definition

The percentage of rapidly

renewing materials must be 5% or higher

Term

What are the requirements for

submittal of MR Credit 6?

Definition

Total cost of the project

Rapidly renewing materials info:

Material and manufacturer

Total product cost for tracked materials

Percentage of product by weight for

each component that meets criteria

Narrative

Term
Definition
Term

What are some advantages of rapidly

renewing materials?

Definition

Require less land

Shorter production time

Faster economic payback

Displace raw materials with greater

environmental impact

 

Term

What percentage of certified wood must

be used in a project to qualify for

MR Credit 7 - certified wood?

Definition

50% of permanently installed wood

Structural and dimensional framing

Flooring and sub-flooring

Wood doors and finishes

Temporary wood components if they are

applied to only 1 project credit

Term

To achieve MR Credit 7 - Certified Wood

what percentage of materials must be certified?

Definition
50% of wood based materials
Term

What organization sets certified standards

and compliance,

reporting and marking?

Definition

Forest Stewardship Council

Established in 1993

International standards called:

FSC Principles and Criteria

 

Environmentally responsible

Socially beneficial

Economically viable

Term
Definition
Term

Third-party auditors are

accredited and monitored by the

FSC to do what?

Definition

Certifiers annually evaluate compliance

with FSC standards

Term

What are the 2 types of certification

available from FSC?

Definition

Forest management certification

to forest managers for practices and plans

 

Chain of Custody COC Certification

to companies that process, manufacture

and/or sell products made from

certified wood

Term

What is a way to reduce the impact of

wood resources?

Definition

Specify lower grades of wood to

reduce environmental pressure

Term

What is a strategy to reduce

fluctuation of FSC wood during the

life of a project?

Definition

Have the owner pre purchase

and store quantities.

 

Known as 'Furnished by the Owner, and

Installed by the Contractor'

FOIC

Term

What is a challenge to having the owner

pre purchase and store wood?

Definition

Moisture presence of sites makes them

not suitable for wood storage

Wood needs to be kept in

climatic conditions to where it will

be installed

Term

Why is a line item approach better

than a blanket purchasing

approach for certified wood?

Definition

Fluctuating quantities

Storage challenges

Term

Chain of Custody certification

is required in 2 cases. What are they?

Definition

Labeling for individually-packaged goods from the manufacturer or goods with packaging that has been changed before it reaches consumers - must use the FSC and COC designations

 

 

 

Term

When are contractors and subs

considered consumers?

Definition

When they purchase FSC wood

Vendors selling to these groups must show

chain of custody

Term

FSC Pure and FSC Mixed

are significant notations because

Definition
They are fully certified FSC products
Term

What is the calculation for

FSC lumber to earn a credit?

Definition

Determine amount of new wood as a percentage

of total weight, volume or cost.

 

Determine the amount of FSC wood as

a percent of the total weight, volume or cost.

 

Calculations must be for new wood only

Term

What percentage of FSC wood

must be used on the job to qualify

for an Innovation in Design Credit?

Definition
95% of FSC wood or greater
Term
Definition