Overview Building Features Grade JK-6 Grade 7-12

Architectural Basis of Design

The following summarizes the design parameters and subsequent design systems and materials incorporated into the architectural basis of the Dr. David Suzuki Public School project.

Download the Architectural Basis of Design.

1.0 General Information:

  1. Building and Design Codes:

    The Building is designed in accordance with 2006 Ontario Building Code (OBC) Compendium containing the Building Code Act, and Ontario Regulation 350/06, including all amendments. Building Classification: Group A, Division 2, Assembly occupancy, up to 6 storeys, any area sprinklered.

  2. Design Conditions:

    1. The Site is located on Raymond Avenue in the City of Windsor. Site dimensions are approximately 620' x 800' (irregular) and has a total area of 11.945 acres. 
    2. The site is served by Raymond Avenue along the south side of the property and by Ontario Street, along the north side. Residential neighbourhoods border along the east and west sides of the property. 
    3. Site is vacant following the recent demolition of the existing Princess Anne Elementary School. 
    4. Site is relatively flat with existing swales running along portions of the east and north property. 
    5. Groups of existing trees at the south, east and north west corner of the site are to remain and to be protected in the new site development. 
    6. Redundant gravel parking areas and laneways are to be removed and replaced with new seeded grass areas. 
    7. New sidewalks along Ontario Street and through the playground area will connect and provide new paved walkways to the adjacent neighbourhoods and facilitating a connection to local public transportation.
  3. Building Description:

    1. The building is a two storey elementary school, with a gross square footage area of 58,522.1 sq. ft. (5,436.4 sq. metres), which includes a total of 25 classrooms, a Library, Gymnasium, and an Administrative area. Included in the classroom count are specialty rooms for Music, Science, Art and Kindergarten. 
    2. The building is to be designed and constructed with the goal of obtaining a LEED® Platinum certification. 
    3. School is designed for a projected school population of 561 students and approximately 35 staff.

2.0 Thermal Insulation:

  1. Building Envelope:

    1. Window System: Provision of energy enhanced thermally broken aluminum curtainwall and aluminum windows, fixed and operable. Special thermal break material provided to meet required thermal performance and other criteria.
      1. Fixed Aluminium Window and Curtainwall Frames:

      2. Air Tightness A3
        Water Tightness B7
        Wind Load Resistance C5
        Condensation Resistance I-55 (minimum)

      3. Operable Windows:

      4. Air Tightness A3
        Water Tightness B7
        Wind Load Resistance C5
        Condensation Resistance I-55 (minimum)
    2. Performance Requirements:

    3. Light Shelves: Composite aluminum light shelf 1'-6-5/8" deep attached to interior horizontal aluminum window frame to extend light penetration additionally into rooms. 
    4. Door System: Provision of thermally broken aluminum curtainwall as described above, complete with insulated aluminum metal doors with weatherstripping. Interior vestibules are provided at main building entrances. 
    5. Other Exterior Door Locations: Thermally broken hollow metal frame, insulated hollow metal doors (16 ga.), complete with semi-rigid fibreglass insulation core, U Value .48. 
    6. Glazing: Provision of enhanced performance 1" thick double insulated glass units, complete with tinted glass, Low E coating, Argon filled, and desiccant filled thermal edge spacer. Visible Light Transmittance: 59% + or - 1%.

      Performance Requirements:

      .1 Visible Light 59% + or - 1%
      .2 Winter night-time Metric K-value: 1.38, Metric U-value: 0.24
      .3 Summer day-time Metric K-value: 1.24, Metric U-value: 0.22
      .4 Shading coefficient: 0.41
      .5 Solar heat gain coefficient: 0.36

    7. Special Translucent Glazing Units:
      Provision of Solera Translucent Glazing Units: Thickness 2.5" plus glass lites.

      TGU Performance:

      .1 Thermal Insulation (U-value): 0.2
      .2 Daylight transmittance: 32%
      .3 Daylight to solar heat gain ratio: LSG=1.08
      .4 Solar heat gain coefficient (no shade): SHGC=0.30
      .5 Sound transmittance class (STC) (ASTM E70-97): 35
      .6 Maximum colour shift [2 Δ E] over 5 years

      TGU Performance:

      .1 Outboard lite: 6 mm tempered, clear
      .2 Inboard lite: 6 mm tempered, clear
    8. Window Shades:
      1. Provision of window shade system with ECOSCREEN PVC FREE, Sunshade Weave ES-8600 shade fabric or approved equal. Location: at classrooms, administration and staff areas.

    9. Wall Insulation:
      1. Exterior Wall Insulation, sprayed-in-place polyurethane foam insulation over masonry backup wall or glass reinforced exterior sheathing on metal stud. Insulation Material to CAN/ULC-S705.1, with CCMC# 13408-L for insulation and air barrier material, with the following physical properties:
        1. Density 9 (ASTM D-1622) = 28.4 kg/m3 (1.77 lb/ft. 3 ), minimum.
        2. Thermal resistance approved by the standard RSI 1.82 at 50mm, 2.86 at 75mm, 4.01 at 100mm.
        3. Dimensional stability (ASTM D-2126), % volume change after 28 days = 0.96 at -200C, 5.11 at 800C, 8.60 at 700C.
        4. Flame spread classification (CAN/ULC-S102, including S127) <500.
        5. Compressive strength (ASTM D-1621), 10% parallel to rise – 199 kPa (29 psi)
        6. Tensile Strength (ASTM D-1623) =396 kPa (57 psi).
        7. Open cell content (ASTM D-2856) = 4.56 %.
        8. Water absorption (ASTM D-2842) by volume = 0.62 %
        9. Water vapour Permeance (ASTM E-96) = 50 ng/Pa.s.m2 at 50mm.
        10. Smoke Development <500
        11. VOC Emissions during aging CAN/ULC-S774 below the detectable limit after 24 hrs.
        12. Product reference: WALLTITE ECO ® by BASF Canada or approved equal.
        13. Provided 2-5/8" and 4" thickness in exterior cavity wall and soffit, and other thickness as per drawings in other locations to suit.
      2. Batt Insulation:
        1. Mineral wool fibre, semi-rigid batt insulation R 9.5, 2.5" thick installed inside metal stud back-up wall.

    10. Roof System: Cold Applied SBS Modified Bitumen Membrane Roofing over metal deck, which consists of:
      1. Overlay board: 1" thick or 2 layers of 1/2" thick high density one side asphalt coated fiberboard, R value 2.9 per inch (RSI 0.51) and additional tapered insulation.
      2. Polyisocyanurate rigid insulation HCFC free, Type 3, Class 2. Long Term Thermal Resistance: Minimum RSI 1.05 per 25 mm of thickness. Provision of 2 layers, base layer 2-1/2" thickness (R-value 15.3 LTTR); top base layer, 2" thickness (R-value 12.1 LTTR) as manufactured by John Manville, ENRGY 3 or ACFOAM-11 by Atlas or approved equal.
      3. Thermal Barrier Underlay Board: 1/2" thick gypsum board PROROC as manufactured by CertainTeed Corp. or equal.
      4. Overall roof assembly design requirement to achieve a minimum of R 27.5
      5. Calculated R-value of roof assembly design is approximately 30.3 (includes overlay board).
      6. White Aggregate Roof Surface: LUCAS Fire White Marble Aggregate. Cool Roof Rating Council (CRRC) Solar Reflectance of 0.71. White surface provided to reduce heat island effect.

    11. Green Roof: Cold Applied Elastomeric Protected Membrane Roofing System.
      1. Tremco Waterproofing System.
      2. Roof Insulation: Extruded polystyrene rigid board insulation, Type 4, Styrofoam Roof Mate by Dow Chemical Comp., or approved equal.
      3. RSI 0.87 per 25 mm thickness.
      4. Roof Insulation Provided: 2 layers comprised of a 4" (100mm) base layer, R-value 20 and a top base layer 1-1/2" thickness (40mm), R-value 7.5 over waterproofing system on concrete and metal roof deck.
      5. Required minimum R-value is 27.5.
      6. Vegetated Green Roof Assembly to be installed above rigid insulation.

3.0 Natural Day Lighting and View:

  1. The provision of floor openings creating interconnected floor spaces geographically located to allow natural light to penetrate from clerestory windows above the second floor through to the first floor. This natural light will additionally illuminate the second and first floor corridor space, affording natural light through corridor windows into the adjacent classrooms or occupied spaces.

  2. A two storey interconnected Lobby space has been designed with full height glass and curtainwall on both the north and south side, flooding the space with natural light. Prominent views are provided from the exterior into the main entrance and Lobby and further from the Lobby directly connecting the exterior playground area to the north.

  3. Tubular Day Lighting Devices - Sun Pipes: Solatubes, 14" and 21" roof mounted skylight domes with integral curb, reflective tube and ceiling level diffuser assembly, transfers sunlight to interior spaces. Unit is complete with variable prism optic moulded into outer dome to capture low angle sunlight and limit high angle sunlight. Pre-moulded natural lighting at gymnasium, stairwells, specific corridor locations and Administration area.

  4. Skylight SunTracker Active Daylighting System: Provision of two Ciralight SunTracker Active Daylighting System dome units at Kindergarten classroom. Unit has an optically clear, acrylic dome with UV protection and integral aluminum reflector for light transmission. (Reflection 91%). U-Value = .35, Shading coefficient SHGC = .3196. Unit tracks the sun location to maximize natural light.

4.0 Site Design Development:

  1. Provision of storm water management, including site swale, drainage design and cistern water collection system.

  2. Provision of naturalized landscape areas, including new natural drainage swales with water storage capacity and utilization of existing site swales through site.

  3. Provision of concrete parking lot, entrance access, road and bus lay-by in lieu of asphalt. Concrete includes recycled material with fly ash. White concrete is used to reduce the heat island effect.

  4. Parking provision was reduced to meet minimum parking by-law requirement of 39 spaces. 4 spaces will be designated for use exclusively by car pools / car co-ops, which is equal to 10% (spaces) of total non-vehicular parking spaces. 

  5. Bicycle storage for 28 spaces has been provided. 

  6. Erosion and Sedimentation Control measures are to be provided.

5.0 Building Materials:

  1. General selection of building materials has been reviewed for LEED® compliance. In general they include:
    1. Flooring:
      1. Resilient sheet flooring in the classrooms (linoleum)
      2. Resilient tile flooring at the stage
      3. Natural cork floor tiles in Administration & Resource area
      4. Natural polished concrete corridor and vestibule floors.

    2. Millwork:
      1. Birch veneer core plywood, which is Forest Stewardship Council (FSC) Certified, with no added formaldehyde used in its composition.
      2. Bamboo plywood, which is FSC certified with no added formaldehyde used in its composition.

    3. Exposed Construction: Building has been designed with exposed interior construction to reduce the amount of building materials. 
    4. Interior wall construction is primarily metal stud with fibre reinforced gypsum board.

    5. Low emitting VOCs for adhesives and sealants.

Greater Essex County District School Board