LEED v4.1 O+M Beta Guide
This guide provides an overview of the LEED v4.1 O+M beta rating system, including prerequisite and credit requirements, changes from LEED v4, and performance score calculations.
It’s All about Data
This is a performance-based prerequisite that must be documented through the Arc platform. Teams enter waste data into Arc for all ongoing and durable goods waste streams (facility renovations waste must be excluded). The data must cover at least 12 consecutive months with no gaps or missing data. Alternatively, teams can provide the results of at least one waste audit.
USGBC Purchasing Calculator
Use the Purchasing Calculator to track and document purchases. Note that as of August 2021, USGBC has not released a calculator specific to v4.1.
EPA Comprehensive Procurement Guidelines
This credit references the EPA comprehensive procurement guidelines (CPG), but the burden is on teams to go find the minimum recycled content for each product type.
Technical Guides
LEED v4.1 O+M Beta Guide
This guide provides an overview of the LEED v4.1 O+M beta rating system, including prerequisite and credit requirements, changes from LEED v4, and performance score calculations.
Track sustainable purchases in key categories
Credit achievement is based on the cost of environmentally preferable purchases compared to the cost of total purchases.
Sleeping in Seattle
This LEED Gold citizenM hotel in Seattle features a modular design in a seismic zone.
by P.J. Melton
Project: citizenM South Lake Union Hotel
Client: citizenM Hotels
Executive Architect: Gensler Seattle
Architect/Interior Designer: concrete Amsterdam
Construction: Mortenson
At first glance, the citizenM South Lake Union Hotel in Seattle is a cheerfully colored building lit up with contemporary artwork. Inside are 264 tiny but sleek guest rooms. What you can’t see is how the hotel was put together from 228 modules.
We don’t control tenant supplied supplemental cooling equipment for uses like server closets, data centers, etc. Are we required to address the tenant equipment for the credit?
Yes. Even if a tenant controls the refrigerant containing equipment, you’ll have to include it in the credit calculations. The only exception is that project teams may exclude up to 10% of the building floor area for separately managed spaces. See the LEED Reference Guide on more details for this type of exclusion.