|
General Notes
<br />1. This application is subject to the applicable requirements contained in the
<br />2018 lBC and IRC, and the latest County Codes, and any other local codes that may
<br />apply, the 2015 WSEC and 2015 UFC. It is the responsibility of the contractor to
<br />ensure compliance with the various provisions contained in these ordinances.
<br />2. Under -floor areas shall be ventilated by an approved mechanical means
<br />or by openings in exterior foundation walls. Such openings shall have a net area of
<br />not less than 1 sq. ft. for each 150 sq. ft. of under -floor area. Openings shall be
<br />located as close to corners as practical and shall provide cross ventilation. the required
<br />area of such openings shalll be approximately equally distributed along the length
<br />of at least two opposite sides. Provide unobstructed crawl space access, min, 18°" x
<br />24".
<br />3. In rooms not provided with an operable window of 1.5 sq. ft. or greater, a
<br />mechanical ventilation system, capable of providing 5 air changes per hour, shall be
<br />provided.
<br />4. Provide source specific and whole house ventilation as required by the 2015
<br />IMC Ventilation and Indoor Air Quality Code.
<br />5. Vent dryer, exhaust fans, and cooktop/range/hoods to the outside.
<br />6. Draftstops shall be provided for usable space above and below a
<br />concealed space of a floor -ceiling assembly and shall be installed so that the area
<br />of the concealed space does not exceed 1,000 square feet. draftstopping shall divide
<br />the concealed space into approximately equal areas.
<br />7. Tile for shower shall be 6" above drain inlet with water resistant backing.
<br />8. Install all prefabricated fireplaces, stoves and related assemblies in
<br />accordance with UL approved manufacturer's specifications.
<br />3. HVAC units: When hvac or water heaters are placed in an area
<br />susceptible to moisture, all pilot lights, burners, switches or heating elements
<br />shall be located 18" above the floor or slab. provide seismic anchor straps for all
<br />water heaters.
<br />10. Application and installation of insulation and vapor barriers shall comply
<br />with State of Washington Thermal llnsulation Standards.
<br />11. Glazing in compliance with the 2015 IBC. Washington state safety glass law.
<br />12. Safety glazing shall be installed in areas subject to human impact. Such
<br />hazardous locations include:
<br />a. Glazing in fixed or operable panels adjacent to a door where the
<br />nearest exposed edge of the glazing is within a 24 inch arc of either vertical edge of the
<br />door in a closed position and the bottom exposed edge of the glazing is less than 60
<br />inches above the walking surface except when there is an intervening wall or other
<br />permanent barrier between door and glazing.
<br />b. Glazing in ingress or egress doors, except jalousies.
<br />v. dazing in storm doors.
<br />13. Egress Windows in every sleeping room shall have a rain. net clear opening
<br />of 5.7 sq. ft. the min. net clear opening height dimension shall be 24" min. net clear
<br />opening width dimension of 20", and a finished sill height riot more than 44" above the
<br />floor.
<br />14. All exterior wall glazing shall be double glazed and comply with 2015
<br />Washington State Energy Code.
<br />15. Provide fire blocking at all plumbing penetrations and at 10"-0i" o.c.
<br />intervals (horizontal and vertical) in all wails. fire stop between all interconnections
<br />of concealed vertical and horizontal spaces. firestop in openings around vents,
<br />pipes, ducts, chimneys, fireplaces, and similar openings which affords passage for
<br />fire at ceiling and floor levels with noncombustible materials.
<br />16. One handrail shall be provided at every stairway having four or more risers.
<br />provide 2 handrails where indicated on plans. the top of handrails shall be placed
<br />not less than 34" nor more than 38" above the nosing of treads. handgrip portion of
<br />handrails shall be not less than 1 1/2" nor more than 2°" in cross sectional
<br />dimension and shall terminate in walls or newel posts.
<br />17, Provide 1/2" thick sound attenuation board and blankets at all bathroom,
<br />toilet room, and powder room walls and as noted on plans. provide sound attenuation
<br />blankets at all bathroom, toilet room, and powder room floors and ceilings when that
<br />room is above or below a habitable space.
<br />18. Safety: contractor shall be responsible for all required safety precautions
<br />and the methods, techniques, sequences, or procedures required to perform his
<br />work.
<br />10. Changes: contractor initiated changes shall be submitted in writing to
<br />the architect and structural engineer for approval prior to fabrication or
<br />construction. changes shown on shop drawings only will not satisfy this
<br />requirement.
<br />20. Drawings indicate general and typical details of construction. where
<br />conditions are not specifically indicated but are of similar character to details
<br />shown, similar details of construction shall be used, subject to review and approval
<br />by the designer and/or engineer of record.
<br />21. Protect adjacent property.
<br />22. All new fenestration are NFRC certified
<br />R325.1 General. This section shall apply to all newly constructed adult family homes and all existing single family homes being
<br />converted to adult family homes. This section shall not apply to those adult family homes licensed by the state of Washington
<br />department of social and health services prior to duly 1, 2001.
<br />R325.2 Submittal standards. In addition to those requirements in Section 106.1, the submittal shall identify the project as a Group
<br />R-3 Adult Family Home Occupancy. A floor plan shall be submitted identifying the means of egress and the components in the
<br />means of egress such as stairs, ramps, platform lifts and elevators. The plans shall indicate the rooms used for clients and the
<br />sleeping room classification of each room. .
<br />R325.3 Sleeping room classification. Each sleeping room in an adult family home shall be classified as:
<br />1. Type S - Where the means of egress contains stairs, elevators or platform lifts.
<br />2. Type NS1 - Where one means of egress is at grade level or a rarnp constructed in accordance with R325.0 is provided.
<br />3. Type NS2 - Where two means of egress are at grade level or ramps constructed in accordance witln R325.0 are provided.
<br />R325.4 Types of locking devices and door activation. All bedroom and bathroom doors shall be openable from the outside when
<br />locked.
<br />Every closet shall be readily openable from the inside.
<br />Operable parts of door handles, pulls, latches, locks and other devices installed in adult family homes shall be operable with one
<br />hand and shall not require tight grasping, pinching or twisting of the wrist. Pocket doors shall have graspable hardware available
<br />when in the closed or open position.
<br />The force required to activate operable parts shall be 5.0 pounds (22.2 N) maximum. Required exit doors shall have no additional
<br />locking devices.
<br />Required exit door hardware shall unlock inside and outside mechanisrrms when exiting the building allowing reentry into the adult
<br />family home without the use of a key, tool or special knowledge.
<br />R325.5 Smoke and carbon monoxide alarm requirements. All adult family homes shall be equipped with smoke and carbon
<br />monoxide alarms installed as required in Sections R314 and R315.1. Alarms shall be installed in such a manner so that the
<br />detection device warning is audible from all areas of the dwelling upon activation of a single alarm.
<br />R325.6 Escape windows and doors. Every sleeping room shall be provided with emergency escape and rescue windows as
<br />required by Section R310. No alternatives to the sill height such as steps, raised platforms or other devices placed by the
<br />openings will be approved as meeting this requirement.
<br />R325.7 Fire apparatus access roads and water supply for fire
<br />protection. Adult family homes shall be served by fire apparatus access roads and water supplies meeting the requirements of the
<br />local jurisdiction.
<br />R325.8 Grab bar general requirements. Where facilities are designated for use by adult family home clients, grab bars for water
<br />closets, bathtubs and shower stalls shall be installed according to this section.
<br />R325.8.1 Grab bar cross section. Grab bars with a circular cross section shall have an outside diameter of 1 1/4 inches minimum
<br />and 2 inches maximum. Grab bars with noncircular cross section shall have a cross section dimension of 2 inches maximum and
<br />a perimeter dimension of 4 inches minimum and 4 5/8 inches maximum.
<br />R325.8.2 Grab bar installation. Grab bars shall have a spacing of 1 1/2 inches between the wall and the bar. Projecting objects,
<br />control valves and bathtub or shower stall enclosure features above, below and at the ends of the grab bar shall have a clear
<br />space of 1 1/2 inches to the grab bar.
<br />EXCEPTION: Swing -up grab bars shall not be required to meet the 1 1/2 inch spacing requirement.
<br />Grabs bars shall have a structural strength of 250 pounds applied at any point on the grab bar, fastener, mounting device or
<br />supporting structural member. Grab bars shall not be supported directly by any residential grade fiberglass bathing or showering
<br />unit. Acrylic bars found in bathing units shall be removed.
<br />Fixed position grab bars, when mounted, shall not rotate, spin or move and have a graspable surface finish.
<br />R325.8.3 Grab bars at water closets. Water closets shah have grab bars mounted on both sides. Grab bars can be a combination
<br />of fixed position and swing -up bars. Grab bars shall meet the requirements of
<br />R325.8. Grab bars shall mount between 33 inches and 36 inches above fioor grade. Centerline distance between grab bars,
<br />regardless of type used, shall be between 25 inches minimum and 30 inches maximum.
<br />R325.8.3.1 Fixed position grab bars. Fixed position grab bars shall be a minimum of 36 inches in length and start 12 inches from
<br />the rear wall.
<br />R325.8.3.2 Swing -up grab bars. Swing -up grab bars shall be a minimum of 28 inches in length from the rear wall.
<br />R325.8.4 Grab bars at bathtubs. Horizontal and vertical grab bars shall meet the requirements of R325.8.
<br />R325.8.4.1 Vertical grab bars. Vertical grab bars shall be a minimum of 18 inches long and Installed at the control end wall and
<br />head end wall. Grab bars shall mount within 4 inches of the exterior of the bath tub edge or within 4 inches within the bath tub.
<br />The bottom end of the bar shall start between 36 inches and 42 inches above floor grade.
<br />a
<br />>.i
<br />r
<br />k
<br />4
<br />"
<br />r
<br />fi
<br />k
<br />r,
<br />EXCEPTION- The required vertical grab bar can be s,-ibstituted with a floor to ceiling grab bar meeting the requirements of
<br />R325.8 at the control end and head end entry points.
<br />R325.8.4.2 Horizontal grab bars. Horizontal grab bars shall be provided at the control end, head end, and the back wall within the
<br />bathtub area. Grab bars shall be mounted between 33 inches and 36 inches above floor grade. Control end and head end grab
<br />bars shall be 24 inches minimum in length. Back wail grab bar shall be 36 inches minimum in length.
<br />R325.8.5 Grab bars at shower stalls. Where shower stalls are provided to meet the requirements for bathing facilities, grab bars
<br />shall meet the requirements of R325.8. REVISIONS-
<br />FEB 01, 20211
<br />EXCEPTION: Shower stalls with permanent built-in seats are not required to have vertical or horizontal grab bars at the seat i
<br />end wall. A vertical floor to ceiling grab bar shall be installed within 4 inches of the exterior of the shower aligned with the nose of FEB 01, 2021 /2
<br />the built-in seat. AUG 20, 2021 Z3
<br />R325.8.5.1 Vertical grab bars. Vertical grab bars shall be 18 inches minimum in length and installed at the control end wall and
<br />head end wall. Vertical bars shall be mounted within 4 inches of the exterior of the shower stall or within 4 inches inside the
<br />shower stall. The bottom end of vertical bars mount between 36 inches and 42 inches above floor grade.
<br />R325.8.5.2 Horizontal grab bars. Horizontal grab bars shall be installed on all sides of the shower stall mounted between 33
<br />inches and 36 inches above the floor grade. Horizontal grab bars shall be a maximum of 6 inches from adjacent walls. Horizontal
<br />grab bars shall not interfere with shower control valves.
<br />Project #: 2020-039
<br />Date Nov.29.2020
<br />Drawn by: Dan Garvida
<br />Checked by: Asfaw
<br />C";iTY OF h"_ i
<br />ERETT
<br />Scale: AS NOTED R
<br />
|