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FLOOR AREAS PER UNIT 1ST FLOOR (COMMERCIAL): 1,980 SF GROSS 2ND FLOOR (RESIDENTIAL): 1,908 SF GROSS TOTAL: 3,888 SF GROSS RESIDENTIAL: 49.1 % BALCONY: 338 SF ROOF TERRACE: 740 SF 1 -HR COMMON WALL TYPICAL 1-HR WALL ASSEMBLY ISNTALL BETWEEN SHOPS & BETWEEN RESIDENTIAL UNITS)UL DESIGN U341, STC 54 • (1) LAYER 5/8" FIRECODE TYPE X GWB APPLIED TO EACH SIDE OF COMMON WALL. (INSTALL HORIZONTALLY OR VERTICALLY)• (2) 2X6 WOOD STUD WALLS SPACED 2" APART, 2X6 STUDS SPACED AT 16" O.C.• 7/16" WOOD STRUCTURAL PANELS MAY BE INSTALLED ON THE INSIDES OF EACH STUD WALL IF REQUIRED STRUCTURALLY • 3 1/2'" BATT INSULATION INSTALLED IN EACH STUD WALL CONTRACTOR/ OWNER ALTERNATE (THESE CHANGES INCREASE THE STC RATING TO 64)• APPLY AN ADDITIONAL LAYER OF SOUNDBOARD GWB TO ONE SIDE OF WALL ASSEMBLY, "NATIONAL GYPSUM SOUNDBREAK XP", OR EQUAL • ONLY ONE OF THE 2X6 WALLS NEEDS TO HAVE BATT INSULATION IF THIS ALTERNATE IS CHOSEN
1 -HR FLOOR/CEILING ASSEMBLY
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GENERAL NOTES 1. CONTRACTOR SHALL VERIFY ALL DIMENSIONS AND JOB SITE CONDITIONS BEFORE COMMENCING WORK AND SHALL REPORT ANY DISCREPANCIES TO THE ARCHITECT.2. GENERAL CONTRACTOR TO COORDINATE ARCHITECTURAL DRAWINGS WITH MECHANICAL, ELECTRICAL, AND PLUMBING.APPLICABLE CODES:2018 INTERNATIONAL RESIDENTIAL CODE 2018 UNIFORM PLUMBING CODE 2018 INTERNATIONAL MECHANICAL CODE 2017 NATIONAL ELECTRIC CODE 2018 INTERNATIONAL FUEL GAS CODE 2012 INTERNATIONAL ENERGY CONSERVATION CODE DESIGN CRITERIA SEISMIC ZONE D0 115 MPH WIND PLAN NOTES 1. CONTRACTOR TO CONFIRM SIZE & TYPE OF WATER HEATER, SET HEATER IN 1 1/2" DEEP 24 GA. GALVANIZED STEEL PAN DRAINED w/ 3/4" INDIRECT WASTE PIPE . WATER HEATERS SHALL BE ANCHORED OR STRAPPED TO PREVENT HORIZONTAL MOVEMENT 2. ELEVATE WATER HEATER 18" MINIMUM ABOVE GARAGE SLAB TO ANY ELEMENT OR SWITCH THAT MAY SPARK 3. A PERMANENT CRAWL SPACE LADDER OR ATTIC SPACE PULL DOWN LADDER IS TO BE INSTALLED TO ACCESS THE HEATING UNIT OR BOILER. 4. THE MAXIMUM CLEAR TRAVEL PATH FROM THE CRAWL SPACE OR ATTIC ACCESS OPENING TO THE HEATING UNIT OR BOILER IS 20 FEET.5. PROVIDE LIGHT FIXTURE CONTROLLED BY A SWITCH LOCATED AT THE CRAWL SPACE ACCESS HATCH & A RECEPTACLE OUTLET SHALL BE INSTALLED AT OR NEAR THE FURNACE .MECHANICALEGRESS WINDOWS (EERO)SAFETY GLAZING REQUIREMENTS 1. TEMPER GLAZING AT LOCATIONS SPECIFED IN IRC 2018 R308.4 FIRE RESISTANT CONSTRUCTION REQUIREMENTS 1. DOOR(S) BETWEEN GARAGE & HOUSE SHALL BE 20-MINUTE & EQUIPPED WITH A SELF-CLOSING DEVICE.2. INSTALL 1/2" GWB @ WALLS & UNDER-STAIR SURFACE IN ENCLOSED ACCESSIBLE SPACE UNDER STAIRS 3. 1/2" GWB SHALL BE INSTALLED ON ALL WALLS SEPARATING THE GARAGE FROM THE DWELLING .4. WHERE HABITABLE ROOMS ARE ABOVE A GARAGE, APPLY 5/8" TYPE 'X' GWB ON GARAGE CEILING & 1/2" GWB ON WALLS SUPPORTING FLOOR ABOVE 5. FOAM INSULATION SHALL BE SEPARATED FROM THE INTERIOR OF A BUILDING BY AN APPROVEDTHERMAL BARRIER OF MINIMUM 1/2 INCH GWB OR A MATERIAL THAT IS TESTED IN ACCORDANCE NFPA 275.6. PROVIDE FIRE BLOCKING VERTICALLY AT THE CEILING AND FLOOR LEVELS & HORIZONTALLY AT INTERVALS NOT EXCEEDING 10 FT.7. PROTECTION OF PENETRATIONS IN WALLS OR FLOOR/CEILING ASSEMBLIES ARE REQUIRED TO BE FIRE RESISTANCE RATED IN ACCORDANCE WITH SECTION R302.2 OR R302.3 8. THE FLAME SPREAD FOR WALLS AND CEILINGSFINISHED TO BE NOT GREATER THAN 200. (R302.9.1)9. THE SMOKE-DEVELOPED INDEX FOR WALLS AND CEILINGS SHALL NOT HAVE AN INDEX GREATER THAN 450. (R302.9.2)ALL SLEEPING ROOMS SHALL HAVE ANEMERGENCY ESCAPE AND RESCUE OPENING (EERO), DIRECTLY TO THE OUTSIDE VIA A DOOR OR WINDOW. EGRESS WINDOWS SHALL MEET THE REQUIREMENTS OF IRC 2018 SECTION R310.1 ENERGY REQUIREMENTS 2012 INTERNATIONAL ENERGY CONSERVATION CODE MONTANA CLIMATE ZONE 6B INSULATION & FENESTRATION REQUIRMENTS BY COMPONENT CEILING FLAT: FLAT R-49 VAULTED R-38 WALLS: ABOVE GRADE R-21 BASEMENTS R-19 CAVITY/ R-15 CONT.CRAWL SPACE R-19 CAVITY/ R-15 CONT.FLOORS: OVER UNHEATED SPACES R-30 PERIMETER SLAB FOR 4 FT. R-10 EXTERIOR DOORS R-3 WINDOWS NFRC UNIT RATING U-0.32 WATER HEATER ENERGY FACTOR RATING 0.58 HEATING SYSTEM ENERGY EFFICIENCY RATING 78%(AFUE FOR GAS; HSPF HEAT PUMP)(406) 552-4490www.blackmountainarch.com
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A2.11ST FLOOR PLANSWISS PLAZA OWNER'S DUPLEX BUILDING 7 N. 27th AVENUE, BOZEMAN, MONTANA CITY REVIEW JANUARY 22, 202120024
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N
NOTE:EMERGENCY ESCAPE AND RESCUE OPENINGS REQUIRE THE FOLLOWING MINIMUM OPENING AREA PER SECTION 310.2.1 REQUIRING THAT NET OPENING HEIGHT NOT LESS THAN 5.7 SQ. FT., MINIMUM OPENING HEIGHT NOT LESS THAN 24", MINIMUM WIDTH NOT LESS THAN 20". THE CLEAR OPENING HEIGHT (SILL) FROM FINISHED FLOOR NOT MORE THAN 44".SPRV1 - 01.22.2021