Underground Parking Plan - 280 Island Highway (Attachment 4)

Underground Parking

280 Island Highway Residential Development Victoria, BC

Note: BH = U-HOOK BIKE RACK

Summary of Stalls:

• 33 Underground Stalls
• 7 Surface Stalls
• 40 Stalls Total

Wall Assembly Schedule

Floor Assemblies

• F1: Slab on Grade:
  • Reinforced concrete slab as per structural drawings
  • 10 mil poly moisture barrier
  • 2" [51] sand binding
  • 6" [100] compact granular fill
  • Undisturbed bearing or compact engineered fill
• F2: Wood Floor Assembly (F.R.R. 1 HR. - STC 56):
  • Finished flooring as per finish schedule
  • 1 1/2" (38mm) concrete overlay
  • Floor system (see structural)
  • Metal resilient furring channels @ 600 O/C
  • 2 layers 15.9 mm type 'X' G.W.B.
  • Floor type F19b B.C.B.C. 2012
• F3a: Concrete Suspended Slab (Occupied Space - Heated):
  • Finished floor covering
  • Reinforced concrete slab - see structural
  • min. R-12 spray applied non-combustible insulation.
• F3b: Concrete Suspended Slab (Landscape Area):
  • Earth fill (see landscape)
  • 4" P gravel with filter cloth
  • Drainmat
  • 2ply torch-on membrane
  • Reinforced concrete slab - see structural
• F4: Suspended Deck:
  • 60mil vinyl deck membrane
  • Floor system (see structural)
  • P.F.M. vented soffit
• F5: Interior Floor over Exterior Space (F.R.R. 1 HR. - STC 56):
  • Finished flooring as per finish schedule
  • 1 1/2" (38mm) concrete overlay
  • Floor system (see structural)
  • Spray foam insulation to joist cavities (R30)
  • Metal soffit
• F6: Deck over Interior Space:
  • Concrete pavers on pedestals
  • 2 ply SBS modified bituminous membrane
  • 180 FR granular cap sheet on 180 flam sheet
  • 1/4" [6mm] protection board
  • 5/8" [15.9] T&G ply on joists as per structural
  • Cross strapping to create 2.5" min. between insul. and sheathing
  • Batt insulation to achieve R31
  • Resilient metal furring channel
  • 2 layer 5/8" [15.9] type 'X' G.W.B.

Foundation / Exterior Wall Assemblies

• W1: Foundation Wall Assembly (Below Grade):
  • Granular backfill
  • Drainmat
  • 2ply torch-on membrane
  • Reinforced concrete wall (see struc.)
• W2: Exterior Wall Assembly (T&G Wood Rainscreen):
  • Horizontal T&G wood siding on 3/4" x 3 [19 x 76] P.T. vert. strapping at 16" [400] O.C. at wood stud locations
  • Nonwoven polyethylene building wrap
  • 1/2" [12.7] ply sheathing
  • 5 1/2" [140] wood stud at 16" [400] O.C.
  • RSI 3.9 (R-20) batt insulation to stud cavities
  • 6 mil poly vapour / air barrier
  • 5/8" (16) G.W.B.
• W2s: W2 with seismic sheathing where required. See structural.
• W3: Exterior Wall Assembly (Stucco Rainscreen Finish):
  • Acrylic stucco (3 coats)
  • Wire lath c/w building paper slip sheet
  • Breather backer board
  • 1 x 3 [19 x 76] P.W.T. vert. strapping at 8" [200] O.C.
  • Nonwoven polyethylene building wrap
  • 1/2" [12.7] ply sheathing
  • 5 1/2" [140] wood stud at 16" [400] O.C.
  • RSI 3.9 (R-20) batt insulation to stud cavities
  • 6 mil poly vapour barrier
  • 5/8" [16] type 'X' gypsum wall board
  • Wall finish as per room finish schedule
• W3s: W3 with seismic sheathing where required. See structural.
• W5: Concrete Masonry (Hollow Core Concrete Masonry Unit - CMU):
  • 8" concrete masonry block
  • (F.R.R. 1 1/2 HR. - STC 50)
  • Wall type B1b B.C.B.C. 2012

Int. Partition / Shaft Wall Assemblies

• P1: Partition Assembly (Wall Type W1d - STC 32 B.C.B.C. 2012):
  • Wall finish as per room finish schedule
  • 1/2" [12.7] G.W.B. both sides of:
    • P1: 3 1/2" [90] wood studs at 16" [400] O.C. OR
    • P1a: 5 1/2" [140] wood studs at 16" [400] O.C.
  • 3 1/2" [89] acoustic batt insul. to stud cavities
  • Wall finish as per room finish schedule
• P2: Party Wall Assembly (1 HR. F.R.R. STC 61 Wall Type W14a B.C.B.C. 2012):
  • Wall finish as per room finish schedule
  • 1 layer 5/8" [15.9] type 'X' G.W.B.
  • 1 1/2" [38] x 3 1/2" [89] wood studs at 16" [400] O.C.
  • 1" [25] air separation
  • 1 1/2" [38] x 3 1/2" [89] wood studs at 16" [400] O.C.
  • 3 1/2" [89] mineral fibre insul. to each side
  • 2 layers 5/8" [15] type 'X' G.W.B.
• P2s: Party Wall - Shear Assembly: Wall P2 with seismic sheathing where required. See structural. (Typically noted for all wall types)
• P3: Corridor Wall Assembly (1 HR. F.R.R. STC 56 Wall Type W11a B.C.B.C. 2012):
  • Wall finish as per room finish schedule
  • 1 layer 5/8" [15.9] type 'X' G.W.B.
  • 2 rows 1 1/2" [38] x 3 1/2" [89] wood studs at 16" [400] O.C. staggered on common 1 1/2" [38] x 5 1/2" [140] plate with:
    • 3 1/2" [89] mineral fibre insul. to stud cavities
  • Resilient metal channels @ 24" [600] O/C
  • 2 layers 5/8" [15] type 'X' G.W.B.
• P3s: Corridor Wall - Shear Assembly: Wall P3 with seismic sheathing where required. Note: where corridor wall is shear wall, place resilient channels on suite side, plywood corridor side. See structural.
• P4: Elevator Shaft Assembly:
  • 190 mm CMU masonry block (2 HR. F.R.R.) (concrete filled)
  • Wood bearing wall as required
  • See structural
  • 5/8" [15.9] type 'X' G.W.B. to be applied to all exposed faces
• P4a: Elevator Shaft Assembly - Wood Frame (1 HR. F.R.R.) (S.T.C. 55 Required):
  • 2x6 wood wall as required
  • See structural
  • 5/8" [15.9] type 'X' G.W.B. to be applied to all exposed faces
• P5: Rated Wall Assembly (1 HR. F.R.R. STC 54 Wall Type W4b B.C.B.C. 2012):
  • Wall finish as per room finish schedule
  • 1 layer 5/8" [15.9] type 'X' G.W.B.
  • Seismic sheathing if required. (See struc.)
  • 1 1/2" [38] x 5.5" [140] wood studs at 16" [400] O.C.
  • 5 1/2" [140] acoustic batt insul. to stud cavities
  • Resilient metal channels @ 24" [600] O/C
  • 2 layers 5/8" [15] type 'X' G.W.B.
• P6: Rated Shaft Wall Assembly (1 HR. F.R.R. STC 39):
  • 15.9mm sheetrock gypsum firecode core panels (joints finished)
  • 64mm CGC C-H studs 25 ga. (600mm O/C)
  • 25.4 sheetrock gypsum liner panels
• P7: Concrete Wall: See structural.
• P8: Partition Assembly (Wall Type W1a - 1HR F.R.R. STC 36 B.C.B.C. 2012):
  • Wall finish as per room finish schedule
  • 5/8" [15.9] type 'X' G.W.B. both sides of:
    • 3 1/2" [89] wood studs at 16" [400] O.C.
  • 3 1/2" [89] acoustic batt insul. to stud cavities
  • Wall finish as per room finish schedule
• P9: Partition Assembly (Wall Type W2a - 2HR F.R.R. STC 38 B.C.B.C. 2012):
  • 2 layers 5/8" [15.9] type 'X' G.W.B. both sides of:
    • 3 1/2" [89] wood studs at 16" [400] O.C.
  • 3 1/2" [89] acoustic batt insul. to stud cavities

Roof Assembly

• R1: Flat Roof Assembly:
  • 2 ply SBS modified bituminous membrane
  • 180 FR granular cap sheet on 180 flam sheet
  • 1/4" protection board
  • Poly ISO rigid insulation to achieve R28
  • Self adhesive vapour barrier
  • 5/8" [15.9] T&G ply on TJI's as per structural
  • 6 mil. poly vapour barrier
  • 1 layer 5/8" [15.9] type 'X' G.W.B.
• R2: Sloped Roof Assembly:
  • 2 ply SBS modified bituminous membrane
  • 180 FR granular cap sheet on 180 flam sheet
  • 1/4" protection board
  • 5/8" [15.9] T&G ply sheathing (as per structural) on TJI's (see structural)
  • Cross strapping for 2.5" min. clearance between insulation and sheathing
  • R40 batt insul to joist cavities
  • T&G wood soffit (exterior)
  • 6 mil poly vapour / air barrier
  • 1 layer 5/8" [15.9] type 'X' G.W.B. (interior)
  • 1/150 of roof area to be vented 2" from top of insulation to u/s sheathing

Project Information