The International Energy Conservation Code, 2012 Edition, published
by the International Code Council, Inc. is hereby adopted by reference
and made part of this article as though set out in full herein; provided
that whenever any provisions of the International Energy Conservation
Code shall conflict with the provisions of the City Code or any other
City ordinance, the provisions of the City Code or such City ordinance
shall govern. One copy of the Energy Conservation Code shall be on
file at the office of the Municipal Clerk and available for public
inspection at any reasonable time. The provisions of the Energy Conservation
Code shall be controlling throughout the municipality and throughout
its zoning jurisdiction.
The International Energy Conservation Code, 2012 Edition, is
amended and changed in the following respects:
A. IECC - Commercial Provisions.
(1)
Chapter
1 [CE], Scope and Administration; Section C101, Scope and General Requirements; C101.1, Title. Insert: "City of Seward, Nebraska."
B. IECC - Residential Provisions.
(1)
Chapter
1 [RE], Scope and Administration.
(a)
Section R101, Scope and General Requirements; Section R101.1,
Title. Insert: "City of Seward, Nebraska."
(2)
Chapter
4, Residential Energy Efficiency.
(a)
Section R401.3. Delete: Requirement for posting res-check near
electrical panel.
(b)
Section R402.2.4. Delete: Requirement of weatherstripping around
the lid of the attic access.
(c)
Section R402.4.1.2. Delete: Requirement for blower door testing.
(d)
Section R403.2.2. Delete: Exception procedures for duct-leakage
test.
(e)
Section R403.2.3. Delete: Requirement to seal cold-air returns
in stud cavity.
(f)
Section R403.4.2. Delete: Item 3, requirement for insulation
of water pipe from water heater to kitchen.
C. Energy conservation standards.
(1)
Minimum requirements are as follows:
(a)
Ceiling: R-44 insulation.
(b)
Frame walls: R-19 (combined R-value of wall elements).
(c)
Slab edge (on-grade): R-10 insulation, 24 inches down from top
of slab.
(d)
Floors (over unheated spaces): R-30 insulation.
(e)
Finished basement walls: R-15 (combined R-value of wall elements).
(f)
Crawl spaces: R-10 insulation. Shall be a conditioned space.
Floor shall be covered with not less than three inches of concrete.
(g)
Windows: Minimum of double-glazed and maximum U-factor of 0.55.
(h)
Doors:
[1] Sliding glass: double-glazed, maximum U-value of
0.52.
[2] Swinging: maximum U-value of 0.35 based on testing
prior to installation of glazing.
(i)
Weatherstripping/Caulking: whatever is necessary to minimize
infiltration.
(j)
HVAC equipment.
[1] Heat pumps - heating mode:
[a] COP = 2.5/1.5 (air source).
[b] COP = 2.5 (water source).
[2] Boilers and furnaces: combustion efficiency equals
80%.
[3] Air conditioners/heat pumps - cooling: SEER minimum
rating 10.0.
[4] Controls: Each system controlled by thermostat;
heating system capable of setback to 55° F.; cooling system capable
of setup to 85° F.
[5] Ductwork: R-6 insulation when outside conditioned
space; all transverse joints sealed.
(k)
Water heating:
[1] Stand-by loss of 15 BTU per hour, per square foot,
maximum; thermostat control and valve or switch to shut off completely.
[2] Showerheads: three gallons per minute, maximum.