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Envelope Compliance Certificate
Project Information
2012 IECC
Energy Code:
Johnson County Courthouse Secured Entrance
Project Title:
Iowa City, Iowa
Location:
5a
Climate Zone:
Addition
Project Type:
36%
Vertical Glazing / Wall Area:
Construction Site:Owner/Agent:Designer/Contractor:
Building AreaFloor Area
1-Courthouse : Nonresidential725
Envelope Assemblies
Assembly
Proposed
Gross AreaCavityCont.Budget U-
U-Factor
orR-ValueR-ValueFactor
(a)
Perimeter
Roof 1: Other Roof, \[Bldg. Use 1 - Courthouse\] (b)
758------0.0220.027
Exterior Wall 2: Other Mass Wall, Heat capacity 21.0, \[Bldg. Use 1 -
435------0.0220.078
Courthouse\] (b)
Window 1: Metal Frame with Thermal Break:Fixed, Perf. Type: Energy
171------0.6500.380
code default, Double Pane, Tinted , SHGC 0.60, PF 0.33, \[Bldg. Use 1 -
Courthouse\]
Exterior Wall 2: Other Exterior Wall, Heat capacity 21.0, \[Bldg. Use 1 -
273------0.0220.064
Courthouse\] (b)
Door 1: Glass (> 50% glazing):Metal Frame, Entrance Door, Perf. Type:
84------0.8000.770
Energy code default, Double Pane, Tinted , SHGC 0.60, PF 0.33, \[Bldg.
Use 1 - Courthouse\]
Floor 1: Slab-On-Grade:Unheated, Horizontal with vertical >= 4 ft.,
71---10.00.1820.441
\[Bldg. Use 1 - Courthouse\] (c)
(a)Budget U-factors are used for software baseline calculations ONLY, and are not code requirements.
(b)'Other' components require supporting documentation for proposed U-factors.
(c)Slab-On-Grade proposed and budget U-factors shown in table are F-factors.
Envelope PASSES: Design 4% better than code
Envelope Compliance Statement
Interior Lighting Compliance Certificate
Project Information
2012 IECC
Energy Code:
Johnson County Courthouse Secured Entrance
Project Title:
Addition
Project Type:
Construction Site:Owner/Agent:Designer/Contractor:
Allowed Interior Lighting Power
ABCD
Area CategoryFloor AreaAllowedAllowed Watts
(ft2)Watts / ft2(B X C)
1-Secure Entry Structure (Common Space Types:Atrium) (Ceiling Height 11 ft.)7200238
44A444
Total Allowed Watts =238
(a)Allowed watts per sq. ft. adjusted for ceiling height.
Proposed Interior Lighting Power
BCDE
A
Lamps/# ofFixture(C X D)
Fixture ID : Description / Lamp / Wattage Per Lamp / Ballast
FixtureFixturesWatt.
1-Secure Entry Structure (Common Space Types:Atrium) (Ceiling Height 11 ft.)
LED 1: Cree CR24: Other:2630180
LED 2: Exit Light: Other:2212
LED 3: Emergency Light: Other:2155
LED 4: Cooper XTOR5A Crosstour: Other:16742
229
Total Proposed Watts =
Interior Lighting PASSES: Design 3% better than code
Interior Lighting Compliance Statement
Exterior Lighting Compliance Certificate
Project Information
2012 IECC
Energy Code:
Johnson County Courthouse Secured Entrance
Project Title:
Addition
Project Type:
4 (High activity metropolitan commercial district)
Exterior Lighting Zone
Construction Site:Owner/Agent:Designer/Contractor:
Allowed Exterior Lighting Power
ABCDE
Area/Surface CategoryQuantityAllowedTradableAllowed Watts
Watts / UnitWattage(B X C)
West Wall (Illuminated length of facade wall or surface)47 ft5No235
N and S Entry Doors (Main entry)30Yes360
12 ft of door
360
Total Tradable Watts (a) =
Total Allowed Watts =720
Total Allowed Supplemental Watts (b) =1300
(a)Wattage tradeoffs are only allowed between tradable areas/surfaces.
(b)A supplemental allowance equal to 1300 watts may be applied toward compliance of both non-tradable and tradable areas/surfaces.
Proposed Exterior Lighting Power
BCDE
A
Lamps/# ofFixture(C X D)
Fixture ID : Description / Lamp / Wattage Per Lamp / Ballast
FixtureFixturesWatt.
West Wall ( Illuminated length of facade wall or surface 47 ft): Non-tradable Wattage
LED 1: Other:1650300
N and S Entry Doors ( Main entry 12 ft of door width): Tradable Wattage
LED 2: Other:1450200
N&S Walls ( Illuminated length of facade wall or surface 25 ft): Non-tradable Wattage
200
Total Tradable Proposed Watts =
Exterior Lighting PASSES: Design 87% better than code
Exterior Lighting Compliance Statement
Mechanical Compliance Certificate
Project Information
2012 IECC
Energy Code:
Johnson County Courthouse Secured Entrance
Project Title:
Iowa City, Iowa
Location:
5a
Climate Zone:
Addition
Project Type:
Construction Site:Owner/Agent:Designer/Contractor:
Mechanical Systems List
QuantitySystem Type & Description
1HVAC System 1 (Single Zone):
Heating: 1 each - Duct Furnace, Gas, Capacity = 60000 kBtu/h
Proposed Efficiency = 95.50% Ec, Required Efficiency = 80.00% Ec
Cooling: 1 each - Split System, Capacity = 36000 kBtu/h, Air-Cooled Condenser, Air Economizer
Proposed Efficiency = 14.50 EER, Required Efficiency = 9.50 EER
Fan System: None
Mechanical Compliance Statement