80 lines
4.0 KiBLFS
JSON
80 lines
4.0 KiBLFS
JSON
{
|
|
"unit": "in",
|
|
"source_note": "California/ADA-derived simplified plan-view geometric rules for benchmark evaluation, not a full code compliance review.",
|
|
"scope": "Plan-view accessibility repair only. All vertical mounting-height requirements are intentionally excluded from scoring.",
|
|
"door_clear_width_min": 32.0,
|
|
"turning_circle_diameter_min": 60.0,
|
|
"turning_circle_fit_rule": "turning_circle_fit_usable_floor",
|
|
"wall_boundary_clearance_offset": 2.8,
|
|
"toilet_centerline_from_side_wall_min": 16.0,
|
|
"toilet_centerline_from_side_wall_max": 18.0,
|
|
"door_must_not_swing_into_fixture_clearance": true,
|
|
"turning_space_may_overlap_toilet_clearance": true,
|
|
"lavatory_may_overlap_turning_space_only_with_knee_toe_clearance": true,
|
|
"lavatory_knee_clearance_width_min": 30.0,
|
|
"lavatory_knee_clearance_depth_min": 19.0,
|
|
"side_grab_bar_length_min": 42.0,
|
|
"rear_grab_bar_length_min": 36.0,
|
|
"grab_bar_side_wall_alignment_tolerance": 4.0,
|
|
"grab_bar_rear_wall_alignment_tolerance": 8.0,
|
|
"excluded_vertical_requirements": [
|
|
"toilet_seat_height",
|
|
"flush_control_height",
|
|
"grab_bar_mounting_height",
|
|
"lavatory_rim_or_counter_height",
|
|
"lavatory_knee_clearance_height",
|
|
"pipe_protection_height_or_configuration",
|
|
"mirror_height",
|
|
"accessory_mounting_height",
|
|
"door_sign_mounting_height",
|
|
"wall_sign_mounting_height",
|
|
"braille_or_tactile_signage_height"
|
|
],
|
|
"excluded_from_first_version_scoring": [
|
|
"unisex_restroom_requirement",
|
|
"international_symbol_of_accessibility_labeling",
|
|
"door_latch_hardware_operation",
|
|
"mirror_requirements",
|
|
"vertical_signage_requirements"
|
|
],
|
|
"plan_requirements": {
|
|
"turning_space": {
|
|
"type": "circle",
|
|
"diameter_min": 60.0,
|
|
"fit_rule": "turning_circle_fit_usable_floor",
|
|
"wall_boundary_clearance_offset": 2.8,
|
|
"description": "A 60 inch diameter wheelchair turning circle must fit in the usable floor area; diameter alone is not sufficient. In this plan-view benchmark, the room polygon represents the interior finished room boundary. Usable floor is derived from that boundary after a small wall/boundary offset and after subtracting blocked fixtures. The turning circle may overlap toilet clear floor space, but not the bathtub or a lavatory without knee/toe clearance."
|
|
},
|
|
"door": {
|
|
"clear_width_min": 32.0,
|
|
"must_not_swing_into_fixture_clearance": true,
|
|
"description": "Door must provide a 32 inch clear opening and should not swing into required fixture clearance."
|
|
},
|
|
"toilet": {
|
|
"centerline_from_side_wall_range": [16.0, 18.0],
|
|
"description": "Toilet centerline must be 16 to 18 inches from the adjacent side wall."
|
|
},
|
|
"grab_bars": {
|
|
"side_wall_length_min": 42.0,
|
|
"rear_wall_length_min": 36.0,
|
|
"side_wall_alignment_tolerance": 4.0,
|
|
"rear_wall_alignment_tolerance": 8.0,
|
|
"description": "Only plan-view grab bar presence/orientation/length and toilet-relative placement are in scope; mounting height is excluded. The side-wall grab bar should align with the same adjacent side wall used for the toilet centerline. The rear-wall grab bar should align with the toilet rear wall and cross or closely span the toilet centerline."
|
|
},
|
|
"lavatory": {
|
|
"knee_clearance_width_min": 30.0,
|
|
"knee_clearance_depth_min": 19.0,
|
|
"may_overlap_turning_space_if_knee_toe_clearance_provided": true,
|
|
"description": "Only plan-view knee/toe clearance width and depth are in scope; rim height, pipe protection, and mirror rules are excluded."
|
|
},
|
|
"bathtub": {
|
|
"preserve_if_present": true,
|
|
"description": "Bathtub is treated as a protected fixture in minimal-change scoring unless a repair explicitly requires otherwise."
|
|
},
|
|
"accessories_and_signage": {
|
|
"plan_view_scoring": false,
|
|
"description": "Accessories and signage are visible CAD elements but their ADA requirements are vertical or labeling-related and are excluded from first-version scoring."
|
|
}
|
|
}
|
|
}
|