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INDEPENDENCE VISITOR CENTER PHILADELPHIA, PA LUTRON LIGHTING PRESENTATION DECEMBER 10, 2002

INDEPENDENCE VISITOR CENTER PHILADELPHIA, PA LUTRON LIGHTING PRESENTATION DECEMBER 10, 2002. BY LISA BORNEMANN. INDEPENDENCE VISITOR CENTER. TABLE OF CONTENTS BUILDING CHARACTERISTICS REDESIGNED SPACES EAST WALL & TRELLIS THEATER TICKET COUNTER MAIN HALL. INDEPENDENCE VISITOR CENTER.

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INDEPENDENCE VISITOR CENTER PHILADELPHIA, PA LUTRON LIGHTING PRESENTATION DECEMBER 10, 2002

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  1. INDEPENDENCEVISITOR CENTERPHILADELPHIA, PALUTRON LIGHTING PRESENTATIONDECEMBER 10, 2002 BY LISA BORNEMANN Independence Visitor Center Philadelphia, PA

  2. INDEPENDENCE VISITOR CENTER • TABLE OF CONTENTS • BUILDING CHARACTERISTICS • REDESIGNED SPACES • EAST WALL & TRELLIS • THEATER • TICKET COUNTER • MAIN HALL Independence Visitor Center Philadelphia, PA

  3. INDEPENDENCE VISITOR CENTER • BUILDING CHARACTERISTICS • LOCATION • Philadelphia, PA • Built as part of the redevelopment of Independence National Historical Park along with the Liberty Bell Pavilion and the National Constitution Center • Built on block two of the three-block, 15 acre Independence Mall Picture courtesy of Brinjac Engineering Independence Visitor Center Philadelphia, PA

  4. INDEPENDENCE VISITOR CENTER • BUILDING CHARACTERISTICS • ARCHITECT • Kallmann McKinnell & Wood Architects • DESCRIPTION • 54,000 sq. ft., two story facility built above an existing three level underground parking garage • Steel building with a brick façade • Copper, hip roof with skylights • COMPLETION • November 19, 2001 • COST • Total cost: $22,000,000 Picture courtesy of Brinjac Engineering Independence Visitor Center Philadelphia, PA

  5. INDEPENDENCE VISITOR CENTER • BUILDING ORIENTATION Philadelphia, PA: Latitude: 39° N Longitude: 75° W East Wall & Trellis Theater Ticket Counter Main Hall Independence Visitor Center Philadelphia, PA

  6. INDEPENDENCE VISITOR CENTER • REDESIGNED SPACES • EAST WALL & TRELLIS • THEATER • TICKET COUNTER • MAIN HALL Independence Visitor Center Philadelphia, PA

  7. EAST WALL & TRELLIS • Trellis • Walkway next to the east wall • Brick columns holding up white wooden beams • Ivy covers the top • East wall • Brick façade • Large windows along entire facade • SPACE CHARACTERISTICS Independence Visitor Center Philadelphia, PA

  8. EAST WALL & TRELLIS • GOALS • Draw attention to the building at night • Highlight the ivy growing on the trellis • Highlight the walkway along the building East Elevation Independence Visitor Center Philadelphia, PA

  9. EAST WALL & TRELLIS • LOCATION Independence Visitor Center Philadelphia, PA

  10. EAST WALL & TRELLIS • DESIGN OPTION 1 Uplight ivy on trellis: • Inverted metal halide recessed step light Graze brick column: • Metal halide accent light hidden within trellis Downlight lights the walkway as well as the column Uplight brick facade: • In-grade metal halide uplights Independence Visitor Center Philadelphia, PA

  11. EAST WALL & TRELLIS • DESIGN OPTION 1 DETAIL Inverted CFL recessed step light Ivy on white wooden trellis Metal halide accent light hidden within trellis Brick column Independence Visitor Center Philadelphia, PA

  12. EAST WALL & TRELLIS • DESIGN OPTION 2 • Uplight brick façade and columns: • In-grade metal halide uplights Independence Visitor Center Philadelphia, PA

  13. EAST WALL & TRELLIS • UPLIGHT EXAMPLE Independence Visitor Center Philadelphia, PA

  14. INDEPENDENCE VISITOR CENTER • REDESIGNED SPACES • EAST FAÇADE & TRELLIS • THEATER • TICKET COUNTER • MAIN HALL Independence Visitor Center Philadelphia, PA

  15. LOCATION THEATER Independence Visitor Center Philadelphia, PA

  16. THEATER • SPACE CHARACTERISTICS • DESCRIPTION • 170 seat theater with 12 rows of bench seating • There are a projection screen and podium in the front of the room • DIMENSIONS • Room: 46’-7” x 34’-11” • Height: Front wall = 11’-4”, Back wall = 6’-11 1/8” Independence Visitor Center Philadelphia, PA

  17. THEATER • DESIGN GOALS • To create a pleasing, relaxed environment • To provide lighting appropriate for good facial rendering in audience and at podium • To create adequate visibility for safe circulation • To provide comfortable viewing conditions • To provide a power density that is 60% of the recommended value from ASHRAE/IESNA Standard 90.1 • TASKS • Viewing the video • Listening and watching a speaker at the podium • Reading programs before the video • Entering or leaving the theater during the video Independence Visitor Center Philadelphia, PA

  18. THEATER • DESIGN CRITERIA • Power Density • ASHRAE Standard 90.1 = 0.5 – 3.2 W/sq.ft. • Aim for 0.5 W/sq.ft. • Facial Modeling when using podium • Good color rendering: Use lamps with CRI = 80’s • Use warmer lamps to make people look healthy and alive: CCT = 3500 • Eliminate shadows with careful placement of light fixtures • Reading • Have capabilities to provide 30 fc on the workplane during intermission, always have a minimum of 5 fc • Minimize shadows with careful placement of light fixtures • Circulation before, after, and during the video • During video circulation have 0.1-0.2 fc • During intermission, before, after video: 5 fc Independence Visitor Center Philadelphia, PA

  19. THEATER • LIGHTING MODE • RELAXED • Used when first entering the theater before the show and during intermission • Non-uniform lighting mode • Peripheral wall emphasis • HOW ACHIEVED • Dimmable wall sconces mounted on the two side walls • Dimmable fluorescent cove lighting Independence Visitor Center Philadelphia, PA

  20. THEATER • LIGHTING MODE • VISUAL CLARITY • Bright, uniform direct lighting with peripheral emphasis • Used when speaker is at podium • Used when audience is reading programs • HOW ACHIEVED • Accent lighting on speaker at podium • Compact Fluorescent downlights on dimmers Independence Visitor Center Philadelphia, PA

  21. THEATER • FLOOR PLAN AND LIGHTING LAYOUT IR Accent Light CFL Wall Sconce Independence Visitor Center Philadelphia, PA

  22. THEATER • PROPOSED LIGHTING LAYOUT Uplight ceiling: • 1-lamp fluorescent T8 strip located in cove Downlights: • CFL downlight with 6” aperature Independence Visitor Center Philadelphia, PA

  23. THEATER • DESIGN SKETCH Below: West side wall Above: Back wall Independence Visitor Center Philadelphia, PA

  24. THEATER • Dimming Control System • Divide theater into zones and scenes • Zones • All wall sconces dimmed on one zone • Accent lights aimed at podium • A separate zone for each row of downlights parallel to the screen • All fluorescent cove fixtures on one zone • Scenes • Entering/Intermission/Leaving • During Video • Speaker at podium Independence Visitor Center Philadelphia, PA

  25. INDEPENDENCE VISITOR CENTER • REDESIGNED SPACES • EAST FAÇADE & TRELLIS • THEATER • TICKET COUNTER • MAIN HALL Independence Visitor Center Philadelphia, PA

  26. TICKET COUNTER • LOCATION Independence Visitor Center Philadelphia, PA

  27. TICKET COUNTER • STATISTICS • DESCRIPTION • 17 VDT screens on three sides of counter space • Back wall behind main counter has Independence Visitor Center Sign • DIMENSIONS • Main counter: 52’ long • Side counters: 11’ long • Height: 9’-4” Independence Visitor Center Philadelphia, PA

  28. TICKET COUNTER • DESIGN GOALS • To attract attention to the spatial surfaces • To make space warm and inviting • To use good facial modeling to make the workers look approachable • To prevent glare on VDT screens • To provide a power density that is 60% of the recommended value from ASHRAE/IESNA Standard 90.1 • TASKS • VDT screen usage • Reading written and printed tasks • Facial Modeling Independence Visitor Center Philadelphia, PA

  29. TICKET COUNTER • DESIGN CRITERIA • Power Density • ASHRAE Standard 90.1 = 1.5 W/sq. ft. • Aim for 60% ASHRAE = 0.9 W/sq. ft • VDT screen usage • Minimize reflected and direct glare on VDT screens • Source-Task-Eye Geometry: locate light fixtures out of offending zone • Reading written and printed tasks • Provide a minimum of 30 fc on the countertop • Minimize shadows with careful placement of light fixtures • Facial Modeling • Good color rendering: Use lamps with CRI = 80’s • Use warmer lamps to make people look healthy and alive: CCT = 3500 • Eliminate harsh shadows by placement of luminaires Independence Visitor Center Philadelphia, PA

  30. TICKET COUNTER • Lighting Mode – Attract Attention • Lighting the back wall behind the ticket counter • Frosted glass will be placed in front of the back wall • T8 fluorescent strips will be used to backlight the glass • The letters from the sign will be mounted directly to the glass • Lighting Mode – Visual Clarity • Recessed fluorescent troffer with louvers placed above ticket counter • Placed in front of VDT screens so direct glare is not a problem Independence Visitor Center Philadelphia, PA

  31. TICKET COUNTER • FLOOR PLAN AND LIGHTING LAYOUT Backlit frosted glass wall T8 strip mounted in cove as a wallwasher Recessed 1-lamp T8 fixture with brushed aluminum louvers Independence Visitor Center Philadelphia, PA

  32. TICKET COUNTER • FLOOR PLAN AND LIGHTING LAYOUT Main Counter Side Counter Independence Visitor Center Philadelphia, PA

  33. TICKET COUNTER • FROSTED GLASS Fluorescent T8 strips Back white wall Frosted glass Fluorescent T8 strips Independence Visitor Center Philadelphia, PA

  34. TICKET COUNTER • BACKLIT WALL DETAILS Fluorescent T8 strip White Back Wall Frosted Glass Wall White Side Wall PLAN VIEW AT BACKLIT WALL Fluorescent T8 strip White Back Wall SECTION AT BACKWALL Independence Visitor Center Philadelphia, PA

  35. TICKET COUNTER • DESIGN SKETCH Independence Visitor Center Philadelphia, PA

  36. INDEPENDENCE VISITOR CENTER • REDESIGNED SPACES • EAST FAÇADE & TRELLIS • THEATER • TICKET COUNTER • MAIN HALL Independence Visitor Center Philadelphia, PA

  37. MAIN HALL • LOCATION Independence Visitor Center Philadelphia, PA

  38. MAIN HALL • STATISTICS • DESCRIPTION • Two-story open space with exposed truss roof • Skylights exist in parts of the roof • Large windows on the west side • Main circulation space • DIMENSIONS • 20’-8 ¾” x 426’ Height: 36’-5” Independence Visitor Center Philadelphia, PA

  39. MAIN HALL • DESIGN GOALS • To create a pleasing, inviting environment • To lead visitors through the space • To use good facial modeling • To incorporate daylighting as much as possible • To provide a power density that is 60% of the recommended value from ASHRAE/IESNA Standard 90.1 • TASKS • Facial Modeling • Circulation • Reading flat displays on vertical surfaces Independence Visitor Center Philadelphia, PA

  40. MAIN HALL • DESIGN CRITERIA • Power Density • ASRAE Standard 90.1: 0.5-1.6 W/sq.ft. • Aim for 0.5 W/sq.ft. • Reading flat displays on vertical surfaces • Vertical illuminance = 30 fc • Minimize shadows with careful placement of light fixtures • Minimize reflected and direct glare from fixtures and daylight • Good color rendering: Lamps with CRI = 80’s • Facial modeling • Good color rendering: Use lamps with CRI = 80’s • Use warmer lamps to make people look healthy and alive: CCT = 3500 • Eliminate harsh shadows by careful placement of luminaires • Circulation • Horizontal illuminance = 10 – 20 fc Independence Visitor Center Philadelphia, PA

  41. MAIN HALL • LIGHTING PROPOSAL Uplight roof • 2-lamp T8 strip fixtures with blue gels • Blue gels – give cool feeling like the sky Add more skylights Uplight inside openings • Lightbox • Warm color lamp – 2700K No Color Blue τ = 62% Independence Visitor Center Philadelphia, PA

  42. MAIN HALL • LIGHTBOX • 2’ x 7’-5 3/8” x 1’ • 1:1 ratio for distance from lamp to acrylic and distance between lamps ½” Acrylic LIGHTBOX DETAIL 1”= 1’-0” T8 Fluorescent Strip Independence Visitor Center Philadelphia, PA

  43. MAIN HALL • LIGHTING PROPOSAL Independence Visitor Center Philadelphia, PA

  44. THE END QUESTIONS????? Independence Visitor Center Philadelphia, PA

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