Light Sketch series 4

Computer lab

A)  Type of Luminaire: Suspended and task lamps

B)  Mounting Type: Hanging cord mount

C)   Lamping: Fluorescent tubular for the suspended and Double Biaxial for the task lighting

D)  Construction: Suspended lighting: Extruded aluminum with aluminum baffles

Task lighting: cast metal

E)   Manufacturer:  Suspended: Sylvania Task: UL

F)   Photometrics: Suspended: Initial Lumens:2750 Mean: 2475 Lifespan: 20,000 hr Task: Lumens:900 Mean: 755 Lifespan: 10,000 hrs

G)  Material and Finish: Task: glossy metal and plastic Suspended: Eggshell aluminum

H)  Lensing: Both have glass

I)     Function: Suspended: fixed Task: adjustable

J)     Ballast: 2 Lamps, non dimming, rapid start

K)  Environment: Dry

L)   Shielding: Suspended: Shiny metal baffles Task: overhead

 A ) Purpose of space: Student space for working on projects and assignments on computers.

B) Purpose of lighting: Task lighting

C) Describe the effect of each luminaire in the space: The task lighting has a function within the space to provide a light at each computer station.

D) Recommendations: More individual task lighting and the some controlled dimming light would be beneficial to the space.

Jimmy John’s

A)  Type of luminaire: Down lighting and Track lighting

B)  Mounting Type: Both Suspended

C)   Lamping: Compact Fluorescent and PAR lamps

D)  Construction: Frosted glass and Aluminum

E)   Manufacturer: Sylvania for both

F)   Photometrics: Compact Fluorescent: 1,600 Lumens 23 W 10,000+ hours  PAR:1040 Lumens 75 W  2,000 hours

G)  Materials and Finish: Compact: matte glass eggshell PAR: glossy aluminum

H)  Lensing: Glass

I)     Function: Both adjustable  Compact: ambient Track: spotlight

J)     Ballast: None

K)  Environment: Dry

L)   Shielding: Track: none Compact: Frosted glass shell

A)  Purpose of space: Food, Quick meal stop

B)  Purpose of lighting: Ambient and focal lighting

C)   Effect of luminaire in the space: Both have a function for both the customer and employee

D)  Recommendation: None

Tate St. Coffee

A)  Type of luminaire: Down lighting and LED rope lighting

B)  Mounting Type: Hanging and Freestanding

C)   Lamping: Incandescent and LED

D)  Construction: Down lighting: Metal & Wood LED: rubber tubing

E)   Manufacturer: UL and Brilliant Brand lighting

F)   Photometrics: Incandescent: 25 w Lumens:15  LED Rope: Lumens:10  Lifespan:100,000 hour

G)  Material and Finish: Matte glass and Rubber eggshell

H)  Lensing: None

I)     Function: Incandescent: Ambient LED: Decorative

J)     Ballast: None

K)  Environment: Damp

L)   Shielding: Incandescent: glass cover shell LED: rubber casing.

A)  Purpose of Space: Food/Café shop socializing

B)  Purpose of lighting: Ambient and Accent Lighting

C)   Effect of Luminaire: Downlight light up the traffic area Rope: highlights the décor

D)  Recommendation: minimize overuse of energy cost by changing the incandescent to more energy efficient lighting