13.104 - Resource Efficiency – Above Green

13.104.1 - Enhanced Durability

Capillary Break. A capillary break and vapor retarder shall be installed under the concrete slabs in accordance with ICC IBC Sections 1907, excluding exception #3 and 1805.2.1.
1. Required Documentation:
  Plans/specifications AND scope of work(s) detailing how requirement has been met. Photo(s) showing installation. Report from certified professional when the building code exceptions are used.
Foundation drainage. Where required by the ICC IBC for habitable and usable spaces below grade, exterior drain tile is installed.
1. Required Documentation:
  Plans showing exterior drain tile for foundation, if applicable. Photo(s) showing installation.
Dampproof walls. Walls that retain earth, and encloses interior space are required to be dampproof per ICC IBC Section 1805.
1. Required Documentation:
  Plans/specifications showing damp-proofing.
Water-resistive barrier. Where required by the ICC IBC, a water-resistive barrier and/or drainage plane system is installed behind exterior cladding.
1. Required Documentation:
  Plans, specification, or scope of work showing WRB or drainage plane.
Flashing. Flashing is provided as follows to minimize water entry into wall and roof assemblies and to direct water to exterior surfaces or exterior water-resistive barriers for drainage. Flashing details are provided in the construction documents and are in accordance with the fenestration manufacturer’s instructions, the flashing manufacturer’s instructions, or as detailed by a registered design professional.

Flashing is installed at the following locations, as applicable unless in conflict with manufacturer’s installation instructions:
1. Around exterior fenestrations, skylights, and doors
2. At roof valleys
3. At all building-to-deck, -balcony, -porch, and -stair intersections
4. At roof-to-wall intersections, at roof-to-chimney intersections, at wall-to-chimney intersections, and at parapets
5. At ends of and under masonry, wood, or metal copings and sills
6. Above projecting wood trim
7. At built-in roof gutters, and
8. Drip edge is installed at eave and rake edges
9. Window and door head and jamb flashing is either self-adhered or liquid applied
10. Flashing is installed at exterior windows and doors
11. Through-wall flashing is installed at transitions between wall cladding materials or wall construction types
12. Flashing is installed at the expansion joint in stucco walls
  1. Required Documentation:
    Plans/construction documents showing flashing details at all required locations.
Tile backing materials. Tile backing materials installed under tiled surfaces in wet areas are in accordance with ASTM C1178, C1278, C1288, or C1325. Tile shall not be installed over paper-faced gypsum board in wet areas.
1. Required Documentation:
  Manufacturer’s literature/specification/labeling showing ASTM or other compliance. Plans/specifications and scope of work showing installation.
Ice barrier. In areas where there has been a history of ice forming along the eaves causing a backup of water, an ice barrier is installed in accordance with the ICC IBC at roof eaves of pitched roofs and extends a minimum of 24 inches (610 mm) inside the exterior wall line of the building.
1. Required Documentation:
  Plans showing ice barrier.
Architectural features. Architectural features that increase the potential for water intrusion are avoided, and must comply with the following:
1. Horizontal ledgers are sloped away to provide gravity drainage as appropriate for the application.
2. No roof configurations that create horizontal valleys in roof design, unless directed to a drain on a flat roof.
3. No recessed windows and architectural features that trap water on horizontal surfaces
Moisture control measures. Moisture control measures for newly installed materials are in accordance with the following:
1. Building materials with visible mold are not installed or are cleaned or encapsulated prior to concealment and closing
2. Insulation in cavities is dry in accordance with manufacturer’s installation instructions when enclosed (e.g., with drywall)

13.104.2 - Construction material and waste management plan

A written construction waste management plan is posted at the jobsite, and implemented.

Required Documentation

Review construction waste management plan.

13.104.3 - Core and shell material selection

The core and shell of the non-residential portion of the building must contain similar green material selections of the residential portion of the building, and must comply with the additional provisions of this section.

Material selection. At least six of these sections must be met from the following:
1. See corresponding Chapter 6 practice.

13.104.4 - Recycling and composting

A readily accessible space(s) adequate to accommodate the recycling and composting containers for materials accepted in local recycling/composting programs is provided and identified on the floorplan.

Required Documentation

Plan review.