7 minute read
Materials and Resources Category
from LEED v4 Credits
by Bri Dazio
05
Materials and Resources Category
Advertisement
Materials and Resources Credits:
PreReq1: Storage and Collection of Recyclables PreReq 2: C&D Waste Management Plan Credit 1: Building Life Cycle Impact Reduction Credit 2: BPDO: EPDs Credit 3: BPDO: Sourcing Raw Materials Credit 4: BPDO: Material Ingredients Credit 5: C&D Waste Management Plan
Intent: To reduce waste generated by building occupants and hauled to and disposed of in landfills
Terms to Know: •Ongoing consumables Rating Systems Included:
•New Construction •Core and Shell •Schools •Data Centers •Warehouses and Distribution Centers •Hospitality •Healthcare
Adaptations Include: •Retail
Option 1: Recycling Infrastructure
1. Provide an appropriately sized area to serve building occupants for recycling and collection of ongoing consumables 2. Distribute recycling bins throughout the project for occupant convenience 3. Place signage near bins to encourage usage and alleviate any confusion 4. Safely collect, store, and dispose of 2 hazardous waste materials: a. Batteries b. Mercury-containing lamps c. Electronic waste
Intent: To reduce construction and demolition waste disposed of in landfills and incineration facilities by recovering, reusing and recycling materials
Terms to Know: •Waste management •Construction waste management specification •On-site separation •Commingled separation Rating Systems Included:
•New Construction •Core and Shell •Schools •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality •Healthcare
Option 1: Recycling Infrastructure
1. Create waste management plan a. Establish goals to divert at least 5 materials b. Approximate percentage of overall project waste that these 5 streams represent 2. Create construction waste management specification to establish benchmark goals 3. Identify materials for salvage and reuse 4. Provide final report detailing all major waste streams a. Differentiate between disposal and diversion rates
Intent: To encourage adaptive reuse and optimize environmental •Core and Shell
performance of products and materials
Terms to Know: •Preservation •Restoration •Rehabilitation •Reconstruction •Abandoned property •Blighted property •LCA Rating Systems Included:
•New Construction •5 phases of lifecycle (cradle to grave)
•Schools •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality •Healthcare
Standards to Know: •Secretary of Interior’s Treatment of Historic Properties •ISO 14044
Option 1: Historic Building Reuse
1. Maintain existing building structure, envelope and non-structural interior elements 2. Meet requirements for reuse based on the Secretary of Interior’s Treatment of Historic Properties Standards 3. Historic district must be listed on a register, whether it be local or national 4. Work with a local member of the historic society to maintain vernacular of the neighborhood
Option 2: Abandoned or Blighted Building
1. Maintain at least 50% by surface area of an abandoned or blighted property a. May exclude up to 25% surface area that has deteriorated due to damage 2. Restore project to state of productive occupancy
Option 3: Building and Material Reuse
1. Reuse a minimum 25% of completed surface area per square foot 2. Reuse may include a whole building retrofit with the following activities: a. Upgrade building envelope b. Improve HVAC c. Retrofit for natural ventilation d. Replace old fixtures and fittings for efficient water consumption e. Install green roof f. Convert interior layout for new activities
1. Create a base building to compare project against using Tally or BIM software a. Base building and project should have certain similarities to help with comparison: i. Size ii. Function iii. Orientation iv. Location v. Operating energy performance per ASHRAE 90.1 2. Conduct LCA per ISO 14044 3. Demonstrate 10% reduction in 3 impact categories a. Demonstrate 10% reduction in global warming potential impact category b. Demonstrate 10% reduction in 2 other impact categories c. No more than 5% increase in the remaining impact categories
Exemplary Performance Opportunity
1. Option 3: Reuse 95% of the building materials 2. Option 4: Demonstrate 10% reduction in 6 of impact categories
Intent: To encourage adaptive reuse and optimize environmental performance of products and materials
Terms to Know: •EPD •LCA Disclosure •Industry EPD •Third Party Verified •PCR Rating Systems Included:
•New Construction •Core and Shell •Schools •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality •Healthcare
Standards to Know: •ISO 14044 •ISO 14025 •ISO 14040 •ISO 14044 •ISO 21930
Option 1: EPD
1. Select products from manufacturers using an EPD a. Use at least 20 different permanently installed products b. Sourced from 5 different manufacturers 2. Earn 20 products based on type of EPD a. LCA Disclosure i. Earn 1/4 product ii. Must conform to ISO 14044 b. Industry EPD i. Earn 1/4 product ii. Must conform to ISO 14025; 14040; 14044; 21930 c. Third party verified EPD i. Earn 1 product
Option 2: Multi-Attribute Optimization
1. Use 50% by cost of products with reduced life cycle impacts based on impact categories
Exemplary Performance Opportunity
1. Option 1: Use 40 different permanently installed products 2. Option 2: Use 75% by cost of products 3. Local materials sourced within 100 miles achieve 200% by cost calculations
Intent: To encourage use of products and materials for which life cycle •Core and Shell
information is available and are sourced responsibly
Terms to Know: •EPR •Certified Wood •CoC •Biobased materials •Recycled content
Standards to Know: •GRI •OECD •FSC Rating Systems Included:
•New Construction •Rainforest Alliances Sustainable Agriculture Network
•Schools •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality •Healthcare
Option 1: Raw Materials and Extraction Reporting
1. Select products from manufacturers who release raw material reports a. Use at least 20 different permanently installed products b. Sourced from 5 different manufacturers 2. Manufacturers may release raw material reports through the following frameworks: a. GRI b. OECD Guidelines for Multinational Enterprises c. UN Global Compact Communications of Progress d. ISO 2600-2010 Guidance on Social Responsibility
Option 2: Leadership Extraction Practices
1. Select products showing leadership in extraction to minimize environmental impacts a. At least 25% of total products by cost 2. Earn 25% of total products by cost based on strategy a. EPR i. Valued at 50% cost b. Certified wood i. Valued at 100% cost c. Biobased materials i. Valued at 100% cost d. Recycled content= post consumer + (1/2)* pre-consumer i. Valued at 100% cost e. Material reuse i. Valued at 100% cost
Exemplary Performance Opportunity
1. Option 1: Use 40 different permanently installed products 2. Option 2: Select 50% of total products by cost that show leadership in extraction
Intent: To support manufacturers who disclose declare all ingredients •Core and Shell •Warehouses and Distribution Centers
that represent more than 0.1% by weight in products
Terms to Know: •HPD •CASRN
Standards to Know: •GreenScreen •Cradle to Cradle Rating Systems Included:
•New Construction •Schools •Retail •Data Centers •REACH
•Hospitality •Healthcare
Option 1: Material Ingredients Reporting
1. Select products from manufacturers who lease third party chemical inventory a. Use at least 20 different permanently installed products 2. Manufacturers may release chemical inventory through the following frameworks: a. Cradle to Cradle v2 Basic b. Cradle to Cradle v3 Bronze c. HPD i. Ingredients down to 0.1% (100ppm) per GreenScreen d. Manufacturer’s Inventory i. Use CASRN to disclosure materials per Green Screen
Option 2: Material Ingredient Optimization
1. Select products from pre-approved programs a. At least 25% of total products by cost 2. Earn 25% of total products by costfrom teh following frameworks: a. GreenScreen v1.2 Benchmark b. Cradle to Cradle v2 Gold c. Cradle to Cradle v2 Platinum d. REACH (International projects)
Option 3: Product Manufacturer Supply Chain
1. Select products that are sourced from manufacturers that are validated for their risk, hazards, etc. a. At least 25% of total products by cost 2. 99% by weight materials are 3rd party verified
Intent: To reduce construction and demolition waste disposed of in landfills and incineration facilities by recovering, reusing, and recycling
Terms to Know: •Material streams •Solid waste management hierarchy •Source reduction •Waste to energy Rating Systems Included:
•New Construction •Core and Shell •Schools •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality •Healthcare
Option 1: Diversion Percentage
-Builds on PreReq 2: C&D Waste Management Plan -Create plan of action regarding waste management, not required to implement
Path 1: 50% Diversion
1. Divert 50% of waste from at least 3 materials streams
Path 2: 75% Diversion
1. Divert 75% of waste from at least 4 materials streams
Option 2: 2.5 Pounds
1. Do not generate more than 2.5 pounds per square foot of construction waste a. Do not require diversion process 2. The following are excluded from calculations: a. Excavated soils b. Land clearing debris c. Alternative daily cover