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CSI Divisions Used for Credit Calculations
3-10, 31, 32 * (Formerly) 12 (Furniture and Furnishings) 21, 22, 23 (Formerly: Mechanical and Plumbing) 26, 27, 28, 29 (Formerly 16: Electrical)
Credits
MRc1.1 and 1.2: Building Reuse Yes n.a. n.a. n.a.
MRc2: Construction Waste Management Yes Yes Yes Yes
MRc3: Materials Reuse Yes n.a. n.a.
MRc4: Recycled Content Yes n.a. n.a.
MRc5: Regional Materials Yes Items may be included if consistent for credits 3–7 n.a. n.a.
MRc6: Rapidly Renewable Materials Yes n.a. n.a.
MRc7: Certified Wood Yes n.a. n.a.
( ∗ Specifically 31.60.00 Foundations, 32.10.00 Paving, 32.30.00 Site Improvements, and 32.90.00 Plantings. Other
construction and demolition (C&D) waste excluding hazardous materials, land clearing debris, and soils may
be included in MRc2. MRc1.1 includes CSI 31)
TABLE 5.0.3 CSI Division Uses Applicable for Materials and Resources Calculations for Each MR Credit
Subcategory in LEED 2009
Details about the specific items included in each subcategory and many of the
exceptions can be found in the sections for each individual credit.
Materials and Resources Prerequisites
MR Prerequisite 1: Storage and Collection of Recyclables
This prerequisite covers what we commonly consider to be building user consumption
recycling. It requires that the common practices of recycling items such as drink bottles
and office paper be incorporated into the design and operations of the facility. It has two
components. The first is to make sure that there are easily accessible and marked
recycling areas in the building design so that all the occupants can recycle these items readily.
Areas should be designated for easy user access in commercial and institutional facilities
and, as appropriate, for central collection, especially for residential complexes. The second is
to make sure that recycling is part of the operations and is actually implemented.
USGBC Rating System
LEED-NC 2.2 lists the Intent, Requirements, and Potential Technologies and Strategies
for this prerequisite as follows (LEED 2009 is essentially the same):
