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Larimer County, 2009 IRC Amendments Effective July 31, 2011, 0
- WILDFIRE HAZARD MITIGATION REQUIREMENTS FOR NEW CONSTRUCTION
- R403.1.4.1 Frost Protection.
- Exceptions
- R405.1 Concrete or masonry foundations. Drains consisting of piping conforming with ASTM Designation D2729-89 shall be provided adjacent to the lowest concrete or masonry foundations that retain earth and enclose spaces that are partially or entirely...
- R408.6 Finished grade.
- In areas where expansive or collapsible soils are known to exist, under floor clearances shall be provided in accordance with the
- professionally designed foundation system.
- R802.11 Roof tie-down. Roof assemblies shall be connected to supporting walls with rafter or truss ties installed at bearing locations to provide a continuous load path for transmitting the uplift forces from the rafter or truss ties to the foundation...
- R902.1 Roofing covering materials. Roofs shall be covered with materials as set forth in Sections R904 and R905. Class A, B or C roofing shall be installed in areas designated by law as requiring their use or when the edge of the roof is less than 3 ...
- R905.2.7.1 Ice Barrier. In Larimer County’s Wildfire Hazard Area and Roofing Classification “B” Area, an ice barrier that consist of two layers of underlayment cemented together or of a self-adhering polymer-modified bitumen sheet, shall be used in l...
- R907.1 General. Materials and methods of application used for recovering or replacing an existing roof covering shall comply with the requirements of this chapter. No portion of an existing nonrated roof covering may be permanently replaced or covere...
- N1101.1 Scope.
- M1401.3 Sizing and testing. Heating and cooling equipment shall be sized based on building loads calculated in accordance with ACCA Manual J, 8th (or current) Edition and ACCA Manual S (current edition) or other approved heating and cooling calculatio...
- Manual J, 8th (or current) Edition, or thermal design parameters in Table N1101.1. All ducted air-distribution heating and cooling systems shall be sized using cooling loads. All heating and cooling equipment shall be tested to ensure such equipment i...
- M1601.1 Duct design. Duct systems serving heating, cooling and ventilation equipment shall be fabricated and sized in accordance with the provisions of this section and ACCA Manual D or other approved methods.
- Amended exception Item 1 and add item 9 to read as follows:
- G2407.11 (304.11) Combustion air ducts.
- G2409.4.5 (308.4.6) Clearance from supply ducts. Central-heating furnaces where the bonnet temperature exceeds 150o F (68o C), shall have the clearance from supply ducts within 3 feet (0.914 m) of the furnace plenum be not less than that specified fro...
- G2415.13 (404.13) Outlet closures. Gas outlets and fittings which allow for future gas line expansion that do not connect to appliances shall be provided with an approved gas shutoff valve with the end capped gas tight.
- Section G2416.1 (405.1) General. Changes in direction of rigid metallic pipe specified in G2414.4 shall be made only by the use of fittings and factory bends.
- G2416.2 (405.2) Metallic pipe.
- G2417.4.1 (406.4.1) Test pressure. The test pressure to be used shall be not less than one and one-half times the proposed maximum working pressure, but not less than 10 psig (67 kPa gauge) irrespective of design pressure. Where the test pressure exc...
- G2420.5.2 (409.5.2) Vented decorative appliances and room heaters. Shutoff valves for vented decorative appliances, room heaters and decorative appliances for installation in vented fireplaces shall be permitted to be installed in an area remote from...
- G2421.3 (410.3) Venting of regulators. Pressure regulators that require a vent shall have an independent vent to the outside of the building. The vent shall be designed to prevent the entry of water or foreign objects. Vents shall not terminate withi...
- G2445 (621), UNVENTED ROOM HEATERS.
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- Placement of Backfill. The excavation outside the foundation, including utility trenches and excavation ramp, shall be backfilled with soil that is substantially free of organic material, construction debris and cobbles, boulders, and solid soil mass... [Go to Page]