INTAKE, EXHAUST & RETURN LOCATIONS
GENERAL INTAKE |
10' from property line |
2009 IMC 401.4(1) |
10' from center line of public way |
2009 IMC 401.4(1) |
10' from Xcel transformer |
Xcel Blue book. |
10' from building environmental exhaust |
2009 IMC 501.2.1(3) |
10' from plumbing vents or 3' below if <10' |
2009 IMC 401.4(3) |
GENERAL EXHAUST |
3' from property lines, openigs into buildings |
2009 IMC 501.2.1(3) |
10' from mechanical air inlets |
2009 IMC 501.2.1(3) |
Type I Commercial Hood Exhaust |
See figure 506.3.10, 10.1(1) and 10.1(2) for summary |
Type II Commercial Hood |
2009 IMC 506.4.2 & 501.2.1(3) Environmental Air. |
Return Air Prohibited Sources
Machinery eqmt rm |
2009 IMC 918.6(3) |
Kitchen |
2009 IMC 918.6(5) |
Exception: > than 10' from cooking appl. |
Exception 2009 IMC 918.6(5) |
Closet, bathroom, garage, boiler/furnace room, unconditioned attic/crawlspace |
2009 IMC 918.6(5) |
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Through Penetrations of Rated Assemblies
Not required - If not required then must comply with IBC 713.2 through 713.3.3 |
Required Ratings of Fire Dampers |
See 2009 IBC Table 716.3.2.1 |
Fire Walls fire damper required |
2009 IBC 716.5.1 |
Smoke damper required only serves horizontal exit |
2009 IBC 716.5.1.1 |
Fire Barriers |
2009 IBC 716.5.2 |
Fire Damper Required |
Exception - Not required if all below apply: |
building sprinklered, wall rating <1hr, Not grp H, 26ga duct, ducted sa,ra |
Smoke damper required only if fire wall serves horizontal exit |
2009 IBC 716.5.2.1 |
Shaft Enclosures |
2009 IBC 716.5.3 |
Fire/Smoke Damper required at all penetrations |
2009 IBC 716.5.3 |
Fire Partitions |
Fire Damper Required |
2009 IBC 716.5.4 |
Exception - Not required if all below apply: |
Bldg fully sprinkered, fire caulked per 713 |
Corridors |
Smoke damper required. |
2009 IBC 716.5.4.1 |
Exception - Not required if all below apply: |
No openings in corridor, duct >.019 |
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Locate Equipment - Equip on roof.
Show Working Space around all HVAC equipment, panels and etc on plans with hatched area. |
2009 IMC 306.1 & Manuf. Installation instructions. |
Permanent ladder required if roof over 16'. |
2009 IMC 306.5 |
Level walking surface if roof pitch is over 4/12. |
2009 IMC 306.5 |
Guard rails req'd if equip < 10' from edge of roof or 30" drop in elevation. Note this applies to RTU, Fans, roof hatches. Extend 42" high guard, 30" past equipment. Prevent 21" dia sphere. |
2009 IMC 304.11 |
Maintenance recptacle, GFI, Same roof level and within 25' of equipment. |
2009 IMC 306.5.2 in accordance with 2011 NEC 210.8(B)(3) & 210.63 |
Maintenance platforms req'd if slope of roof is >3/12. If platform is over 30" above roof, a guard rail is required. |
2009 IMC 306.5.1 |
Locate Equipment - Indoor Equip.
Atmospheric vented appliance shall not be in:bedroom, bathroom, toilet room, storage (except sealed combustion) |
2009 IMC 303.3 |
Appliance in Public garages suspended from the ceiling where vehicles can pass under shall be min 8' or 1' higher than the vehicle entry door, which ever is greater. |
2009 IMC 304.6 |
Appliance in Private garages suspended from the ceiling where vehicles can pass under shall be min 6' or 1' higher than the vehicle entry door, which ever is greater. |
2009 IMC 304.7 |
Room Access Doors - 36" wide X 80" tall. |
2009 IMC 306.2 |
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