Window HandoutINSTRUCTIONS:
Complete the table below noting the complete scope of work. The numbering system can be used to reference locations of
proposed work on the plan. Use the the code information on the back of this sheet to verify that your proposed construction
meets code requirements. If you need assistance see our "WINDOW REPLACEMENT- SAMPLE PLAN" handout or a permit
technician.
WINDOW TYPES:
Casement Single Hung Double Hung Slider Slider fixed Fixed
(CAS) (5H) (DH) (5LDR) center panel (FIX)
(5LDR XOX)
e ,
0
WORKSHEET
ADDRESS PERMIT #
Total Square Footage of Window Area
Submission of this form is not a guarantee that the above stated windows will meet the code requirements.
Final determination will be made by the Building Official at the time of inspection.
WINDOW REPLACEMENT WORKSHEET
HELP FOR THE HOMEOWNER
BUILDING AND SAFETY Building Official: Date:
DATE: 3/22/11 SHEET 1 OF 3 B252
EXISTING NEW WINDOW LOCATION SAFETY
WINDOW WINDOW AREA (ROOM) GLAZING
SIZE TYPE
SIZE &TYPE
(Yes/No)
O
O
O
O
O
O
O
O
O
10
I I
12
13
14
I5
16
CODE REQUIREMENTS:
1. LIGHT AND VENTILATION:
HABITABLE ROOMS:
• shall be provided with natural light by means of exterior glazed openings with an area not less than 8% of the
floor area of such rooms. The kitchen may be provided with artificial light.
• shall be provided with natural ventilation by means of openable openings with an area not less than 4% of the
floor area of such rooms.
NON -HABITABLE ROOMS (Bathrooms, water closet compartments, laundry rooms and similar rooms):
shall be provided with natural ventilation by means of openable exterior openings with an area of not less than 4%
of the floor area of such rooms.
Exemption: Bathrooms containing a bathtub shower or combination thereof; laundry rooms, and similar rooms, a
mechanical ventilation system connected directly to the outside capable of providing an exhaust rate of 50 CFM
may be used.
2. EMERGENCY EGRESS WINDOWS:
Section R310 requires that every sleeping room shall have at least one operable window or door approved for emergency
escape or rescue that shall open directly into a public street, public alley, yard or exit court. The emergency door or window
shall:
• be operable from the inside to provide a full, clear opening without the use of separate tools;
• have a minimum net clear openable area of 5.7 square feet/ 5 square feet at grade floor openings.
• have a minimum net clear openable height of 24 inches
• have a minimum net clear width of 20 inches
• have a finished sill height of not more than 44 inches above finish floor
NOTE: Even though a window may meet the vertical and horizontal measurements, it may not meet the
opening requirements of 5.7/5.0 sq. ft. Close and accurate measurements must be taken before installing
windows.
COMPLYING WINDOW SIZES
Window sizes shown will be the minimum allowed for egress unless maufacturer's data is supplied.
Single Casement: Single/Double Hung:
Slider:
XOX Slider
2-4 x 4-0 3-0 x 5-0
4-0 x 4-0
8-0 x 4-0
2-6 x 3-6 3-4 x 5-0
5-0 x 3-6
10-0 x 4-0
Double Casement:
6-0 x 3-0
12-0 x 3-0
4-6 x-4-0
Sizes shown are taken from data supplied by window manufacturers, however these are general dimensions. It is
the owner's responsibility to verify that the actual windows installed meet the minimum egress requirements.
Awning, bay with fixed center glazing, single fixed combination window and other types not mentioned above
require manufacturer's information if they are to be used to emergency egress requirements.
3. IMPACT OR HAZARD GLAZING (TEMPERED GLASS):
Tempered or safety glazing shall be required where glazing is:
• within a 24 inch arc on either side of a door
• in windows that are within 18 inches of the floor
• in windows in a stairwell or within 5 feet of the landings and less than 60 inches above the floor
• in a door
• enclosing a tub or shower where the bottom of the window is less than 60 inches above the tub or shower bottom
• in walls and fences used as a barrier for swimming pools and spas where the glazing is less than 60 inches above
the pool deck and within 5 feet of the pool edge.
4. ENERGY REQUIREMENTS:
All new windows and window replacement must meet the following minimum energy requirements:
U -factor: All climate zones maximum U -factor .40
SHGC: Climate zones 2, and 4-14 maximum SHGC of .40
Climate zone 15 maximum SHGC of .35
Climate zones 1,3 and 16 N/R
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