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Code Information <br />Applicable Codes <br />Building 2015 IRC and IBC <br />Mechanical 2015 IRC and 2015 NFPA 54 <br />Plumbing 2015 U C <br />Energy and Ventilation 201 �. - '` <br /><WSEC w/2015 IRC Amended Mechanical (not 2015 IRC Ch 11 Energy) <br />Building Notes <br />1. Fire blocking per IRC R302.11: Provide fire blocking to cut off concealed draft openings, both <br />vertical and horizontal, and between living and attic or rafter space. Install fire blocking: <br />a. In concealed spaces of stud walls and partitions, including furred spaces and parallel rows of studs or <br />staggered studs as follows: vertically at the ceiling and floor levels, and horizontally at intervals not <br />exceeding 10 feet. <br />b. At interconnections between concealed vertical and horizontal spaces such as occur at soffits, drop <br />ceilings, and cove ceilings. <br />c. In concealed spaces between stair stringers at top and bottom of run. <br />d. At openings around vents, pipes, and ducts at ceiling and floor level, with an approved material to <br />resist free passage of flame and products of combustion. <br />2. Safety glazing per IRC R308: Each pane of safety glazing to have a visible manufacturer's or installer's <br />label designating type, thickness, and standard with which it complies. Provide safety glazing at doors <br />and at windows adjacent to doors. <br />3. Bedroom emergency escape per IRC R310 and R310.3: Provide net clear opening at minimum of 5.7 <br />square feet, 20 inches wide and 24 inches high. <br />4. Landings at exterior doors per IRC R311.3: Landing outside exterior door to Vestibule to provide 36 <br />inch wide minimum and 36 inch deep minimum access, set within 1-1/2 inches of the door threshold. <br />5. Smoke alarms per IRC R314: Provide smoke alarms both inside the Bedroom / Office, and outside in <br />the hallway leading to the Office and Bedroom. Alarm in hallway to be within 3 feet of Bath door. <br />Provide near Kitchen gas range at location appropriate to alarm type. Hardwire and interconnect alarms. <br />6. Carbon monoxide alarm per IRC R315: Provide alarm outside Bedroom / Office. May be combination <br />smoke and carbon monoxide alarm. <br />7. Attic access per IRC R807.1: Access not required above Bedroom, Kitchen or Utility due to less than <br />30 square feet of area with clear 30 inch height between ceiling joists and roof rafters. <br />8. Light and ventilation: Provide switched light fixtures in Powder, Bedroom, Kitchen, Utility and <br />Garage. Provide mechanical exhaust ventilation at Powder, at exhaust rate per IRC Table M1507.4, <br />exhausted directly to the outside. <br />9. Roof ventilation per IRC R806: Enclosed attic and rafter spaces to have cross ventilation for each <br />separate space by vent openings protected against the entrance of rain and snow. Net free area to be <br />not less than 1/150 of the space ventilated. Soffit openings to be covered with corrosion resistant 1/4 inch <br />maximum screen. Continuous ridge vents to be per manufacturer's recommendations. <br />10. Notches and holes in joists per IRC R502.8.1: Notches on the ends of joists may not exceed one- <br />fourth the joist depth. Notches in the top or bottom of joists may not exceed one -sixth the depth or be <br />located in the middle of the third span. Holes bored in joists may not be within 2 inches of the top or <br />bottom of the joist, and diameter of any such hole may not exceed one-third the depth of the joist. <br />Holes and notches may not be within 2 inches of each other. <br />11. Top plates in exterior walls per IRC R602.3.2: Exterior wood stud walls must be capped with a <br />double top plate installed to prevent overlapping at corners and intersections with bearing partitions. <br />End joints must be offset at least 24 inches. A single top plate may be installed provided the plate is tied <br />at joints, corners and intersecting walls by a minimum 3x6 steel plate, nailed with six 8d nails on each <br />side of the joint. <br />12. Ridge boards and ceiling joists per IRC R802.3: Ridge boards shall have a minimum of 1-inch <br />thickness. Valley or hip rafter shall have a minimum of 2-inch thickness. Minimum depth shall be not less <br />than the cut end of the rafter. Ceiling joists shall be nailed to rafters and rafters to top plate. <br />13. Cutting of studs per IRC R602.6 and Figures R602.6 (1) & (2): Studs in exterior walls or bearing <br />partitions may be cut or notched to a depth not exceeding 25 percent of the stud width. Studs in <br />nonbearing partitions may be notched to a depth not to exceed 40 percent of a single stud width. Studs <br />may be bored or drilled, provided that the diameter of the resulting hole is no greater than 40 percent <br />of the stud width, the edge of the hole is no closer than 5/8 inch to the edge of the stud, and the hole is <br />not located in the same section as a cut or notch. Exceptions: 1. A stud may be bored to a diameter not <br />exceeding 60 percent of its width, provided that such studs located in exterior walls or bearing partitions <br />are doubled and that no more than 2 successive studs are bored. 2. Approved stud shoes may be used <br />when installed in accordance with manufacturer's recommendation. <br />14. Roof shingles per IRC R905.2: Provide 15 lb. felt or equivalent underlayment at composition shingle <br />roofing. Provide two layers underlayment at roof slopes greater than 2 in 12 and less than 4 in 12. <br />15. Roof flashing per IRC R905.2.8: Provide flashing of corrosion -resistant metal. Provide valley flashing <br />24 inches wide. End laps of flashing to be 4 inches minimum. Valley flashing shall be open valley lining <br />type. Sidewall flashing shall be continuous, with vertical leg extending 4 inches minimum under siding on <br />vertical side wall. <br />Air Quality and Energy Notes <br />1. Climate Zone, per�WSEC Table R301.1: 4C <br />2. Whole house mechanical ventilation per M1507.3: Consisting of supply or exhaust fan or <br />combination of such, and associated ducts and control. Local fans may serve as the system. The system <br />shall operate at a continuous rate, per IRC Table M1507.3.3(1); or, operate intermittently for the time <br />period and rate required by M1507.3.3 Exception. Locate fan in Utility room. <br />3. Glazing and insulation <br />Glazing amount unlimited <br />U factor 0.30 minimum <br />Ceilings/attic R- 49 <br />Roof R-49 <br />R-22 at unconditioned garage only <br />Walls R-21 <br />Floor R-30 <br />Doors U factor o 0.30 minimum <br />Mechanical Notes <br />1. Testing and approvals: The building official must approve the mechanical system or equipment <br />before connection to the fuel source. <br />2. Access to equipment: Provide sufficient access to equipment to allow inspection, maintenance and <br />replacement without removing permanent construction. <br />3. Gas appliance vent terminations, per IRC R1804.2.6: Locate such that: <br />a. Vent terminal is not less than 4 feet below, 4 feet horizontally from, or 1 foot above any door, window <br />or gravity gas inlet into the house; <br />b. Vent termination point is not closer than 3 feet from an interior corner formed by two walls <br />perpendicular to each other; <br />c. Bottom of vent terminal is at least 12 inches above finished ground level; <br />d. Power exhauster terminations are not less than 10 feet from lot lines; <br />e. Discharge is located away from the building. <br />4. Provide a smooth metal clothes dryer vent duct terminating at the outside wall of the Utility / Laundry <br />room. Do not install screens at the termination. Do not install duct with sheet metal screws. <br />5. Exhaust fans: Provide an exhaust fan at the Powder, Utility (Laundry) and Kitchen. Terminate fan <br />ducts outside the building and not less than 3 feet from any opening. Ducts going through unheated <br />spaces must be insulated to R-4 minimum. Per IRC Table M1507.4, kitchen exhaust fan must be 100 <br />CFM minimum and bathroom exhaust fans 50 CFM minimum. <br />6. Vent clearances per IRC M 1801.3.4: Install vents with airspace clearances to combustibles per the <br />IRC and manufacturer's installation instructions. <br />Plumbing Notes <br />1. Testing and Inspection: PI_umbing, drainage system and building sewer must be tested, inspected <br />and approved before being covered, concealed or put into use. Plumbing supply piping must be tested <br />with working water pressure or, except plastic piping, air pressure. Plumbing drains must be tested with <br />water filled to highest vent in system or air pressure. <br />2. Protection of piping: Protect piping passing under or through walls from breakage; provide for <br />expansion of hot water piping by approved means; and appropriately seal all voids around piping <br />passing through concrete slabs on grade. Provide sleeves to protect piping passing through concrete <br />walls. Support all horizontal piping at sufficiently close intervals to prevent sagging. <br />3. Hot and cold water controls: Where separate handles control hot and cold water, the left-hand <br />control must control the hot water. Single -fitting mixing valves shall have the flow of hot water <br />correspond to the fitting markings. <br />4. Dishwasher connection: Where the dishwasher is connected tothe drainage system or food waste <br />disposer, install an approved dishwasher air -gap fitting on the discharge side of the dishwasher. Install <br />listed air gaps with the flood level marking at or above the flood level of the sink. <br />5. Hose bibs: Protect hose bibs with an approved non -removable type backflow prevention device. <br />6. Plumbing fixture caulking: Caulk or seal all fixtures, including toilets, at their base. <br />arseJY7 <br />ISTERED <br />ARCHITECT <br />v <br />SUSAN K.L. OL EN <br />_STATE OF WASHINGTON <br />Project Description <br />Remodel of an existing single-family residence in the R-3 Zone, Old Town District. <br />Lot size is 6,000 sf. Added lot coverage of 845 sf to a total of 1,816 sf. Added hard surface of 898 sf to a <br />+` <br />total of 2,738 sf. <br />O <br />Established single-family lot in stable neighborhood with 864 sf home built in the 1930's. The lot is <br />LLU <br />Z <br />urban' in character, fronting on 10`" Street with alley access in the rear. Lot is fully serviced with water, <br />to <br />o <br />` <br />z <br />sewer, power, gas and intel services. The lot is flat with a 4' bank along the front sidewalk, and is fully <br />UJ <br />Ur <br />N <br />a rQJ <br />landscaped. There is no apparent uncontrolled runoff from the site. <br />Z <br />z <br />LU O <br />Remodel includes additions to the existing house, demolition of a previous 96 sf utility room addition, <br />o <br />U <br />Q <br />a <br />= Q <br />� <br />N <br />C <br />and connection of existing heating, plumbing and hot water systems to accommodate the new work. <br />Q <br />= <br />ter <br />¢ j <br />Q <br />O <br />New work includes conversion of existing spaces to new powder room and office, and additions to <br />z <br />CID <br />W <br />Z O <br />_@ <br />create a new bedroom, kitchen, utility and attached garage. This project adds 352 sf of new interior <br />Q <br />>N <br />O <br />m <br />CL <br />space, 482 sf of garage with covered walkway, and 126 sf of deck. It converts 90 sf of existing space to <br />LL <br />o <br />0 I <br />u <br />W <br />V' `/ <br />?j <br />+ <br />N <br />N <br />the new named uses <br />!06 <br />V <br />r1 <br />a- p <br />`J <br />) <br />oo <br />�0) <br />z <br />Q� <br />Zcr <br />(D <br />o` <br />m <br />U <br />Z <br />O J <br />¢ <br />t <br />O <br />4 <br />= <br />m <br />O <br />w <br />Drawings & documents <br />Z <br />Q <br />nn <br />{ �-1 <br />40u <br />o <br />_w <br />m <br />O <br />rU0 <br />c <br />i <br />Q <br />s <br />�O <br />G0.1 Project information <br />¢ <br />w p� <br />O <br />as <br />w -' <br />cc¢ <br />(! I <br />^, <br />N <br />Vin M <br />c <br />G0.2 Herrigstad Engineering & Surveying Survey <br />a ¢ <br />¢ <br />vO <br />A0.1 Site plan w/building, grading & drainage, landscaping, utilities, & calculations <br />I..L <br />N <br />00 <br />P <br />X <br />Cc <br />co <br />A1.1 Foundation plan <br />O <br />in <br />m <br />oilA1.2 <br />Floor plan <br />O <br />QQ <br />A1.3 Roof plan <br />O <br />M <br />A2.1 Building elevations <br />m <br />N <br />A2.2 Building elevation & sections <br />� <br />O <br />A3.1 Wall sections <br />West Coast Engineers Structural Report: Plans, details, specifications & analysis <br />O <br />z <br />Prescriptive Energy Code Compliance for All Climate Zones in Washington <br />Project Information Contact Information <br />X 01 1 _ Q _ ( _ fefJ t ill <br />? 0 <br />LA <br />i L110 <br />This project will use the requirements of the Prescriptive Path below and incorporate the/ <br />the minimum values listed. In addition based on the size of the structuie, the appropriate <br />number of additional credits are c etas chosen by the permit applicant. <br />Authorized Representativ j':4,­­__` _ Date `.i U� L <br />All CfiiXte Zones <br />R-Valuea <br />U-Factor <br />Fenestration U-Factor° <br />n/a <br />0.30 <br />Skylight U-Factor <br />n/a <br />0.50 <br />Glazed Fenestration SHGC°° <br />n/a <br />n/a <br />Ceiling" <br />49' <br />0.026 <br />Wood Frame Wall°'"" <br />21 int <br />0.056 <br />Mass Wall R-Value' <br />21/21' <br />&056 <br />Floor <br />30' <br />0.029 <br />Below Grade Wall"" <br />10/15/21 int + TB <br />0.042 <br />Slab' R-Value & Depth <br />10, 2 It <br />n/a <br />teuie K4uz. i. i dnu iaDle K4uz. i j rooinotes Included on Page 2. <br />minimum number of credits: <br />so as to ach <br />1. Small Dwelling Unit: 1.5 credits <br />❑ <br />Dwelling units less than 1500 square feet in conditioned floor area with less than 300 square feet of fenestration area. <br />Additions to existing building that are greater than 500 square feet of heated floor area but less than 1500 square <br />feet. <br />Q. Medium Dwelling Unit: 3.5 credits <br />All dwelling units that are not included in #1 or #3. Exception: Dwelling units serving R-2 occupancies shall require <br />2.5 credits. <br />E3. Large Dwelling Unit: 4.5 credits <br />Dwelling units exceeding 5000 square feet of conditioned floor area. <br />Additions less than 500 square feet: .5 credits _tr j (61zokTIC11.w- <br />t <br />Table R406.2 Summary <br />Ootion Descrintinn <br />OAifte) <br />to <br />Efficient Building Envelope 1a <br />0.5 <br />1b <br />Efficient Building Envelope 1b <br />1.0 <br />tc <br />Efficient Building Envelope 1c <br />2.0 <br />1d <br />Efficient Building Envelope td <br />0.5 <br />2a <br />Air Leakage Control and Efficient Ventilation 2a <br />0.5 <br />2b <br />Air Leakage Control and Efficient Ventilation 2b <br />1.0 <br />2c <br />Air Leakage Control and Efficient Ventilation 2c <br />1.5 <br />3a <br />High Efficiency HVAC 3a <br />1.0 <br />3b <br />High Efficiency HVAC 3b <br />1.0 <br />3c <br />High Efficiency HVAC 3c <br />1.5 <br />3d <br />High Efficiency HVAC 3d <br />1.0 <br />4 <br />High Efficiency HVAC Distribution System <br />1.0 <br />a <br />Efficient Water Heating 5a <br />05 <br />5b <br />Efficient Water Heating 5b <br />1 0 <br />5c <br />Efficient Water Heating 5c <br />1.5 <br />5d <br />Efficient Water Heating 5d <br />0.5 <br />6 <br />Renewable Electric Energy <br />0.5 <br />iotai � rvurs <br />1.0 <br />*1200 kwh <br />0.0 <br />A4&It0 <br />fMOWS <br />SEP 2 6 2017 <br />CITY OF ANACORTES <br />Permit Application <br />01 September 2017 <br />September 26, 2017 <br />Permit review revisions <br />Cover and <br />Project <br />Information <br />G 0,,l <br />