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LEED credits

Study guide/homework assignment for the unit about LEED credits in civ...
Academic year: 2018/2019
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Orange Coast College

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LEED BD&C: Homes, V Be sure to include which category the LEED Credit comes from (if not given in the problem).

1.) What specific passive solar building orientation practices can earn LEED credit? (Energy & Atmosphere, Building Orientation for Passive Solar). ​To maximize passive solar efficiency, here are the ideal practices: a. The south-facing glazing area is at least 50% greater than the sum of the glazing area on the east and west-facing walls. b. The east-west axis of the building is within 15 degrees of due east0west c. At least 90% of the south-facing glazing is completely shaded (by awnings, overhangs, plantings) at solar noon on the summer solstice and unshaded at noon on the winter solstice. This will also depend on the latitude and topography d. 3 possible points

2.) What types of sensitive lands should be ​ avoided ​ when choosing a site location, to obtain maximum LEED credit? (Location & Transportation, Site Selection) ​Prime farmland, parkland, floodplains, habitats, wetlands, water bodies.

3.) What basic landscape/site design practices can be followed to obtain LEED credits? Consider both Sustainable Sites and Water Efficiency credits. ​Nontoxic pest control (on grass, up to 2 points(, reduce total outdoor water use (up to 12 points), Floodplain Avoidance, must be on a permanent location on existing land, no evasive plants (must be native).

4.) What types of fixtures should be specified for single-family homes to gain LEED credit for efficient indoor water use? ​Faucets, showerheads, toilet fixtures are WaterSense labeled (1 point). Clothing washers and dishwashers are ENERGY STAR (or equivalent) qualified in the US (1 point). Found under <Water meter installation, Indoor water use=, <Energy and Atmosphere=, <Water efficiency category=

5.) What characteristics of windows, skylights, and doors affect the number of LEED credits obtained for energy efficiency?

  • Having a low U-number as well as a low SGHC number can maximize the number of LEED credits obtained (3 points possible) Found under <Water meter

installation= and <Indoor water use=, <Energy and Atmosphere=, <Water efficiency category= U-Rating depends on climate (3-point criteria)

  • Climate Zones 1 and 2: U-factor under 0.
  • Climate Zone 3: U-Factor under 0.
  • Climate Zone 4: U-factor under 0.
  • Note: U-Factor is determined by the insulation of house R-Value) Doors: U-Factor and SHGC, Opaque - 0 (n/a), <0 lite - 0 (0).

6.) What types of high-efficiency appliances should be specified for single-family homes to earn LEED credit for energy efficiency? ​To get credit for this category, all of the appliances in a home have to meet every requirement: a. An energy star certified refrigerator (earns 1 point) b. Energy star certifying ceiling fan (must-have fan in the living room and every bedroom) (earn ½ point). c. Energy-star certified dishwasher (earns ½ point) d. Found under the <Energy and Atmosphere= category.

7.) At what spacing should wall studs, joists, and rafters be placed to earn LEED credit for energy efficiency? Why would the spacing of these components affect energy efficiency? ​Suites, joists, and rafters must be greater than 16= on center apart. More distance between studs, joists, and rafters allows the use of more insulation. 0 points are rewarded for each (suites, joists, and rafters. Found under <material-efficient framing=, <Materials and Resources= (2 possible points)

8.) What is the baseline waste allowance for a two-bedroom home? ​6, pounds. Found under <Construction waste management=, <Materials and Resources= (3 possible points)

9.) How many LEED points are possible in the Indoor Environmental Quality category for each of the following situations:

a. A garage is not constructed. ​2 points; enhanced garage pollutant protection b. A fireplace is not installed. ​2 points; enhanced combustion venting c. A shoe removal and storage space are near the primary entryway, separated from living areas without conventional carpet. ​0 points; contaminant control

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LEED credits

Course: Basic Engineering Draf I Cad (DRAF G105)

University: Orange Coast College

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LEED BD&C: Homes, V4
Be sure to include which category the LEED Credit comes from (if not given in
the problem).
1.) What specific passive solar building orientation practices can earn LEED
credit? (Energy & Atmosphere, Building Orientation for Passive Solar). To
maximize passive solar efficiency, here are the ideal practices:
a. The south-facing glazing area is at least 50% greater than the sum of
the glazing area on the east and west-facing walls.
b. The east-west axis of the building is within 15 degrees of due
east0west
c. At least 90% of the south-facing glazing is completely shaded (by
awnings, overhangs, plantings) at solar noon on the summer solstice
and unshaded at noon on the winter solstice. This will also depend on
the latitude and topography
d. 3 possible points
2.) What types of sensitive lands should be avoided when choosing a site
location, to obtain maximum LEED credit? (Location & Transportation, Site
Selection) Prime farmland, parkland, floodplains, habitats, wetlands, water
bodies.
3.) What basic landscape/site design practices can be followed to obtain LEED
credits? Consider both Sustainable Sites and Water Efficiency credits. Nontoxic
pest control (on grass, up to 2 points(, reduce total outdoor water use (up to 12
points), Floodplain Avoidance, must be on a permanent location on existing land,
no evasive plants (must be native).
4.) What types of fixtures should be specified for single-family homes to gain
LEED credit for efficient indoor water use? Faucets, showerheads, toilet fixtures
are WaterSense labeled (1 point). Clothing washers and dishwashers are
ENERGY STAR (or equivalent) qualified in the US (1 point). Found under <Water
meter installation, Indoor water use=, <Energy and Atmosphere=, <Water efficiency
category=
5.) What characteristics of windows, skylights, and doors affect the number of
LEED credits obtained for energy efficiency?
- Having a low U-number as well as a low SGHC number can maximize the
number of LEED credits obtained (3 points possible) Found under <Water meter

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