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PERMITS & INSPECTIONS DEPARTMENT. 2003 INTERNATIONAL RESIDENTIAL CODE IRC. IMPORTANT DATES. New codes will affect all plans submitted after September 1, 2005 Any existing project or plans submitted prior to September 1 will be reviewed and inspected under old codes

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permits inspections department

PERMITS & INSPECTIONS DEPARTMENT

2003 INTERNATIONAL RESIDENTIAL CODE

IRC

important dates
IMPORTANT DATES
  • New codes will affect all plans submitted after September 1, 2005
  • Any existing project or plans submitted prior to September 1 will be reviewed and inspected under old codes
  • Inspections for permits issued after September 1 will be conducted under the new codes effective November 1, 2005
irc 2003 section 100
IRC 2003 SECTION 100

CODE SECTION DESCRIPTION

PLAN REVIEW

CERTIFICATION OF MAIN STRUCTUARAL ELEMENTS AND COMPONENTS REQUIRED FOR APPROVAL

COMPLETE PLANS MUST HAVE

4 ELEVATIONS FRONT, REAR, & BOTH SIDES

CROSS SECTION TO ALLOW FOR ADEQUATE DETAIL

FLOOR PLANS FOR ALL LEVELS

ONLY MINOR REVISIONS ALLOWED

R506.2.1 GARAGE SLABS EXCEEDING REQUIREMENTS MUST BE ENGINEERED

>2’CLEAN SAND OR GRAVEL & 6” BASE

irc 2003 section 1001
IRC 2003 SECTION 100

CODE SECTION DESCRIPTION

R105.7 BY LOCAL AMENDMENT

THE PERMIT HOLDER OR HIS AGENT SHALL POST THE PERMIT INSPECTION RECORD ON THE JOB SITE IN AN ACCESSABLE AND CONSPICUOUS PLACE TO ALLOW THE BUILDING OFFICIAL TO MAKE THE REUIRED ENTRIES

irc 2003 section 300
IRC 2003 SECTION 300

CODE SECTION DESCRIPTION

R301.5 DECK LOADS

REDUCED FROM 60 PSF TO 40 PSF

R303.3 BATHROOM MECHANICAL EXHAUST

MINIMUM 50 CFM INTERMITENT

MINIMUM 20 CFM CONTINUOUS

FANS MUST BE VENTED TO EXTERIOR OF BUILDING THROUGH ROOF OR GABLE END AND TERMINATE WITH AN APPROVED CAP

irc 2003 section 3001
IRC 2003 SECTION 300

CODE SECTION DESCRIPTION

R305MINIMUM CEILING HEIGHT FOR HABITABLE AREAS

REDUCED FROM 7’6” TO 7’0”

R308.4 SAFETY GLAZING

WINDOWS IN & AROUND STAIRWAYS & LANDINGS WITHIN 60” OF FLOOR

R309 GARAGE FIRE SEPARATION

½” DRYWALL STANDARD

5/8” TYPE X ON CEILING WITH ROOM ABOVE PLUS ½” ON ALL SUPPORTING WALLS

4” STEP DOWN IS NO LONGER REQUIRED FLOOR MUST SLOPE TOWARD DOORS OR DRAIN

20 MINUTE RATED DOOR MIN. SELF CLOSING NO LONGER REQUIRED

irc 2003 section 3002
IRC 2003 SECTION 300

CODE SECTION DESCRIPTION

R310 EMERGENCY EGRESS (BEDROOMS)

WINDOWS

24” CLEAR OPENING HEIGHT

20” CLEAR OPENING WIDTH

5.7 SQ.FT. NET CLEAR OPENING

IRC ADDRESSES SPECIFIC INFORMATION ON DESIGN OF WINDOW WELLS FOR EMERGENCY EGRESS

irc 2003 section 3003
IRC 2003 SECTION 300

CODE SECTION DESCRIPTION

R310 EMERGENCY EGRESS (BASEMENTS)

EMERGENCY EGRESS REQUIRED FROM ALL BASEMENT AREAS (FUTURE HABITABLE SPACE)

BEDROOMS OR SLEEPING AREAS

DOORS, STAIRWAYS, BILCO DOORS, EMERGENCY WINDOWS ARE ALL ACCEPTABLE

irc 2003 section 3004
IRC 2003 SECTION 300

CODE SECTION DESCRIPTION

R311 MEANS OF EGRESS

ACCESSABLE STORAGE AREAS UNDER STAIRWAYS MUST BE DRYWALLED.

NO CHANGE IN STAIR REQUIREMENTS 8 1/4” MAX RISER 9” MAX TREAD

R312 GUARD RAILS/ HAND RAILS

MAXIMUM OPENING CHANGED FROM 6” TO 4”

irc 2003 section 3005
IRC 2003 SECTION 300

CODE SECTION DESCRIPTION

R313.1 SMOKE DETECTORS

MUST BE INSTALLED

ON ALL FLOORS

IN ALL BEDROOMS

VICINITY OF ALL SLEEPING AREAS

R321.1 BUILDING ADDRESSES NOW REQUIRED

4” HIGH FOR SINGLE FAMILY

6” HIGH FOR MULTI-FAMILY

MUST BE CLEARLY VISIBLE FROM STREET

irc 2003 section 3006
IRC 2003 SECTION 300

CODE SECTION DESCRIPTION

R317 DWELLING UNIT FIRE SEPARATION

DUPLEX – 1 HOUR SEPARATION

TOWNHOUSES (SEMI DETACHED)

2 HR SEPARATION WALL WITH PARAPET OR INSTALLATION OF FIRE-RETARDENT SHEATHING 4’ ON EITHER SIDE OF SEPARATION WALL

NO OPENINGS PERMITTED WITHIN 4’ OF SEPARATION WALL

NO SPRINKLER EXCEPTION

irc 2003 section 400
IRC 2003 SECTION 400

CODE SECTION DESCRIPTION

R403.1.4.1 FROST DEPTH FOUNDATION

NOT REQUIRED FOR FREE STANDING ACCESSORY STRUCTURES <= 400 SQ.FT.

PERMITS ARE NO LONGER REQUIRED FOR ACCESSORY BUILDINGS UNDER 200 SQ.FT.

irc 2003 section 4001
IRC 2003 SECTION 400

CODE SECTION DESCRIPTION

R404.1 FOUNDATIONS

HOUSE LOCATION SURVEY REQUIRED BEFORE FOUNDATION INSPECTION

NEW TABLES BASED ON SOIL TYPE AND BACKFILL HEIGHT

SPECIFIC REINFORCEMENT REQUIREMENTS

irc 2003 section 4002
IRC 2003 SECTION 400

CODE SECTION DESCRIPTION

irc 2003 section 4003
IRC 2003 SECTION 400

CODE SECTION DESCRIPTION

R408.5.1 PIERS

MUST BE SUPPORTED BY EARTH ON ALL SIDES IN CRAWL SPACES

CANNOT BE FORMED ON TOP OF GROUND

irc 2003 section 4004
IRC 2003 SECTION 400

CODE SECTION DESCRIPTION

R406 WATER/DAMP PROOFING

WATERPROOFING ONLY REQUIRED WHEN PROOF OF HIGH WATER TABLE OR SEVERE SOIL CONDITION IS SUBMITTED

ENGINEERS REPORT REQUIRED BY

OPTION OF BUILDER

REQUEST OF INSPECTOR

irc 2003 section 500
IRC 2003 SECTION 500

CODE SECTION DESCRIPTION

R502.8 SPANS, CUTTING, & NOTCHING

BASICALLY THE SAME ONLY MINOR MODIFICATIONS TO TABLES

JOIST BLOCKING OVER GIRDERS

REQUIRED WHERE JOISTS DO NOT OVER LAP AT LEAST 3”

EXAMPLE 12”OC TO 16”OC

irc 2003 section 600
IRC 2003 SECTION 600

CODE SECTION DESCRIPTION

R602.3 STUD SPACING

irc 2003 section 6001
IRC 2003 SECTION 600

CODE SECTION DESCRIPTION

R602.3.1 STUD SPACING FOR WALLS > 10’

IRC SPECIFIES STUD SIZE & SPACING FOR WALLS GREATER THAN 10’ FOR VARIOUS LOADING SITUATIONS

irc 2003 section 700
IRC 2003 SECTION 700

CODE SECTION DESCRIPTION

R7 WALL COVERINGS

EXTERIOR BRICK VENIER SUPPORT IRC OFFERS ALTERNATIVE DESIGNS THAT IF INSTALLED PER CODE ENGINEERS DESIGN IS NOT REQUIRED

irc 2003 section 800
IRC 2003 SECTION 800

CODE SECTION DESCRIPTION

R7 RAFTERS AND JOISTS

CHANGES IN SPAN TABLES

RESULTS ABOUT THE SAME

ALLOWS FOR INTERPOLATION

irc 2003 section 800 900
IRC 2003 SECTION 800/900

CODE SECTION DESCRIPTION

R802.10.5 TRUSS & WALL CONNECTIONS

TRUSS CONNECTIONS REQUIRED

DESIGNED TO RESIST MIN. 175 POUNDS OF LIFT

R900.0 ROOF ASSEMBLIES

ICE PROTECTION

REQUIRED FOR SLOPES < 4:12

30 LBS FELT OR EQUIVELANT

irc 2003 energy code
IRC 2003 ENERGY CODE

CODE SECTION DESCRIPTION

MARYLAND STATE ENERGY CODE

As part of the International Energy Conservation Code the state of Maryland has adopted the Maryland Energy Code with no local amendments allowed. At this time Washington County does not perform energy code inspections, with the exception of verifying proper installation, flame and smoke developed index on exposed insulation, but recognizes the importance of energy conservation.

R316.1 FLAME SPREAD INDEX <= 25

SMOKE-DEVELOPED INDEX <= 450

R318.1 VAPOR RETARDER SHALL BE INSTALLED

ON THE WARM-IN-WINTER SIDE OF INSULATION