Redland Addition

• Existing System Evaluation Report

Approved architectural & engineering plans

• Oregon Residential Specialty Code 2023

Insulation R-value requirements

• Vaulted ceiling: R-38
• Walls: R-21

• Oregon Electrical Specialty Code 2023

• Circuits
  • AFCI + GFCI
    1. (20a) Bedroom 1 receptacles
    2. (20a) Bedroom 2 + Basement Hall + Basement Hall Closet receptacles
    3. (20a) Master Bedroom + Master Closet + Master Hall receptacles
    4. (20a) Lighting for BR 1/BR 2/Master BR/Basement closet/Basement hall/Master hall/Master closet
    5. (20a) Master bathroom receptacles
    6. (20a) Master bathroom lighting/exhaust/heat lamp
    7. (20a) Master closet washing machine receptacle
    8. (20a) Master tub circulation receptacle
    9. (20a) Master tub heater receptacle
  • Standard
    1. (30a 240 volt) Heat pump circuit
• To purchase
  • 20 amp AFCI + GFCI 6 pack
  • Panel options
    • 20 space
  • Subpanel wire
    • 6/3 MC in 1 foot increments
  • Siemens breaker
    • 70 amp double breaker
  • Outlets
    • Lever lock tamper resistant outlets
• Receptacle counts
  • Basement wall receptacles: 37
  • Upstairs wall receptacles: 31
  • A/V
    • Master BR stereo: 1
    • Master BR TV: 1
    • Master bath stereo: 1
    • Master bath TV? 1
    • BR 1 TV: 1
    • BR 1 stereo: 1
    • BR 2 TV: 1
    • BR 2 stereo: 1

Amperage across all new circuits if all expected loads were turned on at once.

• Small-appliance → n/a for addition
• Laundry
  • In addition to the number of branch circuits required by other parts of this section, at least one additional 20-ampere branch circuit shall be provided to supply the laundry receptacle outlet(s) required by 210.52(F). This circuit shall have no other outlets.
• Bathroom
  • In addition to the number of branch circuits required by other parts of this section, one or more 120-volt, 20-ampere branch circuit shall be provided to supply bathroom(s) receptacle outlet(s) required by 210.52(D) and any countertop and similar work surface receptacle outlets. Such circuits shall have no other outlets.
  • Exception: Where the 20-ampere circuit supplies a single bathroom, outlets for other equipment within the same bathroom shall be permitted to be supplied in accordance with 210.23(B)(1) and (B)(2).

• Means of protection
  • A listed combination-type AFCI installed to provide protection of the entire branch circuit.
• Required for outlets in
  • Bedrooms
  • Hallways
  • Closets
  • Laundry areas
• Exceptions
  • GFCI covered
  • Dedicated appliance circuits where appliance is “not easily moved” or where appliance is known to falsely trip AFCI
• Need to cover all outlets in addition besides the exceptions
  • Don't need to cover bathroom?

Circuit conductor sizing

• Where a branch circuit supplies continuous loads or any combination of continuous and noncontinuous loads, the rating of the overcurrent device shall not be less than the noncontinuous load plus 125 percent of the continuous load.
  • Continuous load ⇒ expected to run for three hours or more
• The minimum branch-circuit conductor size shall have an ampacity not less than the maximum load to be served after the application of any adjustment or correction factors in accordance with 310.15.
• Other Loads
  • Branch-circuit conductors that supply loads other than those specified in 210.3 and other than cooking appliances as covered in 210.19(C) shall have an ampacity sufficient for the loads served and shall not be smaller than 14 AWG.

• A 15- or 20-ampere branch circuit shall be permitted to supply lighting outlets, lighting units, or other utilization equipment, or any combination of them, and shall comply with 210.23(B)(1) and (B)(2).
  • Exception: The small-appliance branch circuits, laundry branch circuits, and bathroom branch circuits required in a dwelling unit(s) by 210.11(C)(1), (C)(2), and (C)(3) shall supply only the receptacle outlets specified in that section.

Summary table by conductor material and circuit rating

• Spacing – no more than 6 feet between outlets
• Bathrooms
  • Unless prohibited in 406.9(C), at least one receptacle outlet shall be installed in bathrooms within 900 mm (3 ft) of the outside edge of each sink. The receptacle outlet shall be located on a wall or partition that is adjacent to the sink or sink countertop, located on the countertop, or installed on the side or face of the sink cabinet. In no case shall the receptacle be located more than 300 mm (12 in.) below the top of the sink or sink countertop. Receptacle outlet assemblies listed for use in countertops shall be permitted to be installed in the countertop.
• Hallways
  • In dwelling units, hallways of 3.0 m (10 ft) or more in length shall have at least one receptacle outlet.

Holes for mechanical

Allowable holes in LVL rim joist

Space for eight lines

• 4x 1/2 inch line sets need 4x(1.5^2) = 9 square inches
  • 3×3 inch square minimum
• 4x 1/4 inch line sets need 4x(1.25^2) = 6.25 square inches
  • 2.5×2.5 inch square minimum

Separate upstairs and downstairs exits?

OESC 2023 determination regarding disconnect for indoor units in a zonal split system. The lockable disconnect outdoors is sufficient for the indoor units.

• Making flare connections
• Flare tool
  • Amazon

• Oregon Plumbing Code
• Tying into existing sewer line
  • Use slip couplings
• Ox Box lav outlet

• Geberit 2x6 hanger
  • Compatible toilets
• Bowl
  • Separate bowl/bidet
    • Washlet C5
    • Toto CT428cfg
      • Toto toilet spec sheet
    • Alternate bidet

• Self-contained retractable 24' hose
• Vacuflo retractable hose
• Hide-a-hose
• Reddit thread about DIY retractable hose installation

• Oregon Tile
• Pratt + Larson showroom

• American Standard whirlpool drop-in 72-42
  • Specification doc
• American standard evolution 72-36
• Lowes search
• Comfortflo
• Jacuzzi heated soak tub
• Vintage Tub heated soaking tub
• Jacuzzi Elara heated tubs

• Delta Cassidy valve trim