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HomeMy WebLinkAboutOrd 189-2005 Residential Code Amendments.pdfCITY OF ANNA, TEXAS ORDINANCE NO. 189-2005 AN ORDINANCE OF THE CITY OF ANNA, TEXAS, AMENDING ORDINANCE NO. 2002-19, WHICH ADOPTED THE 2000 EDITION OF THE INTERNATIONAL RESIDENTIAL CODE, BY REVISING CHAPTER 1 (ADMINISTRATION), CHAPTER 3 (BUILDING PLANNING), CHAPTER 4 (FOUNDATIONS), CHAPTER 6 (WALL CONSTRUCTION), CHAPTER 7 (WALL COVERING), CHAPTER 13 (GENERAL MECHANICAL SYSEM REQUIREMENTS), CHAPTER 24 (FUEL GAS), CHAPTER 25 (PLUMBING ADMINISTRATION), CHAPTER 26 (GENERAL PLUMBING REQUIREMENTS), CHAPTER 27 (PLUMBING FIXTURES), CHAPTER 28 (WATER HEATERS), CHAPTER 29 (WATER SUPPLY AND DISTRIBUTION), CHAPTER 33 (GENERAL REQUIREMENTS), CHAPTER 36 (BRANCH CIRCUIT AND FEEDER REQUIREMENTS), AND CHAPTER 38 (POWER AND LIGHTING DISTRIBUTION) OF THE 2000 EDITION OF THE INTERNATIONAL RESIDENTIAL CODE; PROVIDING A REPEALER CLAUSE; PROVIDING A SAVINGS CLAUSE; AND PROVIDING FOR AN EFFECTIVE DATE WHEREAS, the City Council has determined the need for revising the City's existing residential code;and WHEREAS, the City Council has received recommendations for said revisions from qualified professionals in the building inspection trade; and WHEREAS, the City Council desires to adopt and implement said recommendations; now therefore BE IT ORDAINED BY THE CITY COUNCIL OF THE CITY OF ANNA, TEXAS: Section 1. International Residential Code Revised. The city council hereby adopts certain revisions to the 2000 Edition of the International Residential Code, as originally adopted by Ordinance 2002-19, said revisions being hereby attached to this ordinance as Exhibit A and hereby made an integral part of this ordinance. Section 2 Repeal Clause All parts of any ordinance in conflict with the provisions of this ordinance are to the extent of such conflict hereby repealed. ORD 189-2005 Residential Code Amdts.doc Page 1 of 2 02-22-05 Section 3 Savings Clause If any provision of this ordinance shall be held to be invalid or unconstitutional, the remainder of such ordinance shall continue in full force and effect the same as if such invalid or unconstitutional provision had never been a part hereof. Section 4 Effective Date This ordinance shall be effective upon the posting and/or publication of its caption as required by law and the City Secretary is hereby directed to implement such posting and/or publication. PASSED by the City Council of the City of Anna, Texas, this 22nd day of February, 2005. APPROVED: ATTESTED: �. ORD 189-2005 Residential Code Amdts.doc Page 2 of 2 02-22-05 EXI HBIT A CITY OF ANNAADMENDMENTS 2000 INTERNATIONAL RESIDENTIAL CODE The following additions, deletions, and amendments to the 2000 International Residential Code adopted herein are herby approved and adopted. 1. Chapter 1 Administration SECTION R102 APPLICABILITY R102.4 Referenced codes and standards. The codes, when specifically adopted by the City of Anna and standards referenced in this code shall be considered part of the requirement of this code to the prescribed extent of each such reference. Whenever amendments have been adopted to the referenced codes and standards, each reference to said code and standard shall be considered to reference the amendments as well. Any reference made to NFPA 70 or the ICC Electrical Code shall mean the Electrical Code as adopted. SECTION R106 CONSTRUCTION DOCUMENTS R106.1 Submittal documents This section is amended by the addition of the following paragraph: Foundation plans shall be submitted with each application. These plans shall be designed by an engineer licensed by the State of Texas and shall bear the engineers seal. Exception: These plans shall not be required for Group U, Division 2 other than those, which are required by separate ordinance. All structural plans for residential shall be designed by an engineer licensed by the State of Texas and shall bear that engineers seal. 2. Chapter 3 Building Planning SECTION R309 GARAGES AND CARPORTS R309.1 Opening Protection Openings from a private garage directly into a room used for sleeping purposes shall not be permitted. Other openings between the garage and residence shall be equipped with a self-closing, tight fitting solid -wood door not less than 1 3/8 inch in thickness, solid or honeycomb core steel doors not less than 13/8 inches thick, or 20 minute fire rated doors. SECTION R309.2 SEPERATION REQUIRED The garage shall be separated from the residence and its attic area by not less than 5/8 - inch type X gypsum board applied to the garage side. Where the separation is a floor - ceiling assembly, the structure supporting the separation shall also be protected by not less than 5/8 -inch type X gypsum board or equivalent as determined by authority having jurisdiction. SECTION R314 STAIRWAYS 8314.8 Under stair protection; change to read as follows: Enclosed accessible space under stairs shall have walls, under stair surface, and any soffits protected on the enclosed side with 5/8 -inch fire -rated gypsum board or one-hour fire -resistive construction. SECTION R317 SMOKE ALARMS R317.3 Carbon Monoxide Detectors A carbon monoxide detector shall be installed for each 1000 square foot of living area. Shall be placed adjacent to openings in enclosures for fuel burning appliances and at garage entrance to residence. Power source shall be as required by section R317.2. SECTION R322 MOISTURE VAPOR RETARDERS 8322.1 Moisture Control In all framed walls, floors and roof/ceilings comprising elements of the building thermal envelope, a vapor retarder, when installed, shall be installed on the warm -in - winter side and in a manner so as to not trap moisture. SECTION R328 AUTOMATIC FIRE PROTECTION 8328.1 Automatic Fire Protection Required Automatic fire protection systems in accordance with NFPA 13D or NFPA 13R shall be provided in all one and two-family dwellings with a gross floor area greater than six thousand(6,000) square feet. Automatic fire protection systems shall be provided in all buildings containing three(3) or more dwelling units. Where requirements in this section conflict with requirements found in the Fire Code adopted by the City of Anna, the most stringent requirements shall apply. 3. Chapter 4 Foundations SECTION R403 FOOTINGS R403.1.8 Foundations on Expansive Soils Foundation and floor slabs for buildings located on expansive soils shall be designed in accordance with section 1805.8 of the International Building Code. All foundations shall be designed by a Registered Professional Engineer in the State of Texas, and all drawings and documentation must be signed and sealed. Documentation shall include: 1. Design letter referencing soils repot number, date of report, and soils engineer name; specific location including lot, block, and subdivision;specific design criteria including soil bearing capacity, plasticity index, and potential vertical rise. 2. Signed and sealed drawings clearly indicating strand and reinforcement placement, pier sizing, depth, location, and reinforcing, beam size and location, and special details. 3. Design engineer must perform a pre -pour inspection and provide the Building Official with signed and sealed documentation stating that the foundation has been inspected and approved. This inspection must take place prior to requesting a foundation inspection from the Building Official. 4. Rough grading of lot after form removal to maintain drainage away from foundation during the construction process. 5. Prior to receiving a Certificate of Occupancy, a final survey indicating final grade elevations and verifying positive drainage away from the foundation, and evidence from the homeowner that they have received a copy of foundation maintenance instructions must be submitted to the Building Official. 4. Chapter 6 Wall Construction SECTION R602 WOOD WALL FRAMING R602.5 Interior nonbearing walls. Interior nonbearing walls shall be permitted to be constructed with 2 inch by 3 inch studs spaced 24 inches on center or, when not part of a braced wall line, 2 inch by 4 inch flat studs spaced 24 inches on center. Interior nonbearing walls shall be capped with at least a single top plate. Interior nonbearing walls shall be fir blocked in accordance with Section R602.8. SECTION R602.6 DRILLING AND NOTCHING STUDS This section is amended by the addition of a sentence to read as follows: Studs that are drilled or notched for plumbing pipes shall be a minimum of 2x6 studs. 5. Chapter 7 Wall Covering SECTION R703 EXTERIOR COVERING R703.5 Wood Shakes and Shingles Wood shakes and shingles shall be prohibited as exterior wall and roof coverings. R703.7.4.1 Size and Spacing (Wall ties) This section is amended by adding a second paragraph to read as follows: For 3 Y4 square feet of wall area, the following dimensions shall be adhered to: 1. When ties are placed on studs 16" on center, they shall be spaced no further apart than 29" vertically starting approximately 15" from the foundation. 2. When ties are placed on studs 24" on center, they shall be spaced no further apart than 19" vertically starting approximately 10" from the foundation. R703.7.4.3 Mortar and Grout Fill This section is amended by adding a second paragraph to read as follows: When using ties that will flex when pushed, spot bedding of cement mortar shall be installed on all ties. 6. Chapter 13 General Mechanical System Requirements SECTION M1301 GENERAL M1301.1 Scope Applicable provisions shall comply with applicable provisions of the current mechanical code adopted by the City of Anna as it currently exists or may be amended. SECTION M1304 TYPE OF FUEL This section is amended by the addition of subsection M1304.2, to read as follows: M1304.2 Minimum Burial Depth Underground fuel piping systems shall be installed a minimum depth of 18 inches below grade. SECTION M1305 APPLIANCE ACCESS M1305.1.3 Appliances in Attics Change to read as follows: Attics containing appliances requiring access shall be provided... {bulk of paragraph unchanged)... sides of the appliance where access is required. The clear access opening dimensions shall be a minimum of 20 inches by 30 inches, or larger where such dimensions are not large enough to allow removal of the largest appliance. As a minimum, access to the attic space shall be provided by one of the following: 1. A permanent stair 2. A pull down stair 3. An access door from an upper floor level Exception: The passageway and level service space are not required where the appliance is capable of being serviced and removed through the required opening. Add Section M1305.1.5 to read as follows: M1305.1.5 Water Heaters Above Ground or Floor When the mezzanine or platform in which a water heater is installed is more than (8) feet above the ground or floor level, it shall be made accessible by a stairway or permanent ladder fastened to the building. 7. Chapter 24 Fuel Gas SECTION G2414 PIPING SYSTEM INSTALLATION G2414.9 Minimum Burial Depth This section changed to read as follows: Underground piping systems shall be installed a minimum depth of 18 inches below grade. 8. Chapter 25 Plumbing Administration SECTION P2503.7.2 INSPECTION AND TESTING OF BACKFLOW PREVENTION DEVICES. Change to read as follows: P2503.7.2 Testing. Reduce pressure principle... {bulk of section unchanged} ... at the time of installation, immediately after repairs or relocation and at regular intervals as required by applicable state or local provisions. 9. Chapter 26 General Plumbing Requirements SECTION P2603 STRUCTURAL AND PIPING PROTECTION Add section p2603.6.1 Sewer Depth. To read as follows: Building sewers shall be a minimum of 12 inches below grade. 10. Chapter 27 Plumbing Fixtures SECTION P2708 SHOWERS Section P2708.1 add a sentence to read as follows: Thresholds shall be sufficient width to accommodate a minimum 22 inch door. 11. Chapter 28 Water Heaters SECTION P2801 GENERAL P2801.5 Required pan. Change to read as follows: All water heaters or hot water storage tanks installed in locations where leakage of the tanks or connections will cause damage shall be installed in a galvanized steel pan having a minimum thickness of 24 gauge or other pans listed for such use. SECTION P2803 RELIEF VALVES P2803.6.1 Requirements for discharge. Change to read as follows: The outlet of a pressure relief valve, temperature relief valve or combination thereof, shall not be directly connected to the drainage system. The discharge from the relief valve shall be piped full size separately to the outside of the building or to an indirect waste receptor located inside the building. In areas subject to freezing, the relief valve shall discharge through an air gap into an indirect waste receptor located within a heated space, or by other approved means. The discharge pipe shall not discharge into a pan required in section P2801.5 The discharge shall be installed in a manner that does not cause personal injury or property damage and that is readily observable by the building occupants. The discharge from the relief valve shall not be trapped. The diameter of the discharge piping shall not be less than the diameter of the relief outlet. Relief valve piping shall not discharge onto porches, patios, sidewalks, or any other areas that may be hazardous to the building occupants. The discharge pipe shall be installed so as to drain by gravity flow and shall terminate atmospherically. When discharging outside the building, the point of discharge shall be with the end of the pipe not more than 24 inches nor less than 6 inches above the finished grade or the floor level of the area receiving the discharge and pointing downward. 12. Chapter 29 Water Supply and Distribution SECTION P2904 MATERIAL, JOINTS, AND CONNECTIONS P2904.5 Water Distribution Pipe. Change to read as follows: All potable water distribution piping shall be type K,L, or M seamless copper water tubing. All hot water supply and distribution piping shall be insulated. SECTION P3114 AIR ADMITTANCE VALVES P3114.2 Installation Add sentence to read as follows: Air admittance valves may only be installed with the prior approval of the authority having jurisdiction. 13. Chapter 33 General Requirements SECTION E3306 ELECTRICAL CONDUCTORS AND CONNECTIONS E3306.2 Conductor Material Change to read as follows: Conductors used to conduct current shall be of copper provided in Chapters 33 through 42. Where the conductor material is not specified, the material and the sizes given in these chapters shall apply to copper conductors. E3306.3 Minimum size of conductors. Change to read as follows: The minimum size of conductors for branch circuits shall be AWG #12 copper. 14. Chapter 36 Branch Circuit and Feeder Requirements SECTION E3602 BRANCH CIRCUIT RATINGS E3602.5 Branch Circuits serving multiple loads or outlets. Add paragraph to read as follows. The maximum number of receptacle outlets connected to general purpose branch circuits shall be (10) for 15 amp circuits, and (13) for 20 amp circuits. 15. Chapter 38 Power and Lighting Distribution SECTION E3804 GENERAL INSTALLATION REQUIREMENTS E3804.7 Air Handling -stud cavity and joist spaces. Change to read as follows: Wiring methods having a nonmetallic covering shall not pass through stud cavities and joist spaces used for air handling.