Buffalo State College–

Marie Ostrowski - Lighting/Electrical - April 14, 2010

College within the State University of New York systemSchool of Natural and Social Sciences

New Science Building Phase 1 Addition - 96,000 ft2

INTRODUCTION

Buffalo State College

source: www.buffalostate.edu

BSC Campus

source: www.maps.google.com

N

Courtesy of Cannon Design

Criteria:

Maintain Architect’s theme + Design Intent

Establish energy consumption/savings

Evaluate alternative motor controller arrangement

pts

LIGHTING DEPTH

1. Director’s Office *2. Genetics Teaching Lab3. Facade4. Atrium

*Not presented

F13

F14

F15

F16

F17

LIGHTING DEPTH – WORKING SPACE

GoalsFlexible, efficient space

Criteria•LPD ≤ 1.4 W/ft2

•50 fc at task plane (36”)•Uniformity at Task Surfaces

Materials:

Furniture Flooring Walls Ceiling

LIGHTING DEPTH – WORKING SPACE

Performance:•LPD = 1.29W/ft2

•Maximum ceiling luminance = 550 cd/m2

2 ) Average Illuminance: 33.75 fcSwitched Ambient, Board + Perimeter On

3) Average Illuminance: 22.98 fcSwitched Ambient, Board On

2 )

1 ) 2)

3)

Average Illuminance: 52.64 fcAll ambient and perimeter on

L1 F11 F12

LIGHTING DEPTH – OUTDOOR SPACE

GoalsExpose interior corridor walls, create depth with varying light levels

Criteria•LPD :

30 W/lin. Ft. (Entrance)1 W/lin. Ft. (Walkway)0.2 W/sq. ft (Façade)

•5fc at the entrance and walkway

Materials:•Alternating aluminum and clear glass panels

LIGHTING DEPTH – OUTDOOR SPACE

Performance:•LPD complies with 26W to spare considering the 5% unrestricted allowance

•Average walkway illuminance 3.7fc

F6 F7 F8 M1

LIGHTING DEPTH – ATRIUM

GoalsHighlight height of space, create a sense of movement, mimic rectilinear geometries

Criteria•LPD :

0.6 W/ft2 (Level 1)0.5 W/ft2 (Level 2 + 3)

•Horizontal Illuminance: 10fc

Materials:

Existing Walls

Corridor Walls

Ceiling Floor/Accent Wall

A B

A

B

F6 F7 F8 M1

LIGHTING DEPTH – ATRIUM

Existing Walls

Corridor Walls

Ceiling Floor/Accent Wall

A B

A

B

GoalsHighlight height of space, create a sense of movement, mimic rectilinear geometries

Criteria•LPD :

0.6 W/ft2 (Level 1)0.5 W/ft2 (Level 2 + 3)

•Horizontal Illuminance: 10fc

Materials:

F6 F7 F8 M1

LIGHTING DEPTH – ATRIUM

Existing Walls

Corridor Walls

Ceiling Floor/Accent Wall

A B

A

B

GoalsHighlight height of space, create a sense of movement, mimic rectilinear geometries

Criteria•LPD :

0.6 W/ft2 (Level 1)0.5 W/ft2 (Level 2 + 3)

•Horizontal Illuminance: 10fc

Materials:

LIGHTING DEPTH – ATRIUM

Performance:• LPD

• Level One = 0.62• Level Two = 0.28• Level Three = 0.35

• Complies Overall

• Average Illuminance • One: 12.84 fc• Two: 12.54 fc• Three: 18.67 fc

Available Daylight

DAYLIGHTING

Level One – DA 12/21 Level Two – DA 12/21 Level Three – DA 12/21

Electric Light Integration - Open Loop Switching - Three Zones

Energy Savings Summary

DAYLIGHTING

0.627 0.6250.627 0.625 0.623 0.625

0.605 0.624 0.622 0.618 0.6190.609 0.621 0.623 0.615 0.6160.603 0.619 0.623 0.628 0.6220.601 0.617 0.619 0.618 0.6210.585 0.614 0.618 0.62 0.6210.585 0.611 0.61 0.616 0.6090.574 0.614 0.606 0.608 0.6170.568 0.611 0.61 0.604 0.6130.563 0.605 0.609 0.602 0.615

0.55 0.601 0.602 0.597 0.6080.555 0.582 0.601 0.59 0.6030.562 0.581 0.594 0.593 0.595

0.54 0.587 0.583 0.587 0.5810.515 0.568 0.58 0.576 0.5850.478 0.554 0.581 0.576 0.566 0.5870.484 0.563 0.574 0.538 0.558 0.5920.383 0.515 0.547 0.549 0.565 0.5890.433 0.534 0.536 0.54 0.513 0.6020.362 0.516 0.497 0.506 0.532 0.6140.344 0.496 0.514 0.514 0.525 0.6140.247 0.479 0.478 0.492 0.457 0.6050.227 0.394 0.389 0.418 0.469 0.6140.134 0.401 0.415 0.437 0.435 0.6120.143 0.381 0.583 0.611 0.413 0.6180.029 0.418 0.592 0.592 0.588 0.6210.042 0.468 0.589 0.595 0.594 0.6210.124 0.495 0.594 0.601 0.589 0.6180.123 0.496 0.607 0.605 0.601 0.6160.131 0.518 0.611 0.615 0.613 0.620.125 0.478 0.61 0.617 0.61 0.6230.133 0.533 0.612 0.62 0.615 0.6260.135 0.534 0.614 0.62 0.618 0.6250.134 0.545 0.619 0.623 0.619 0.6220.138 0.572 0.618 0.623 0.619 0.6260.151 0.564 0.617 0.623 0.619 0.6240.156 0.572 0.62 0.625 0.621 0.6320.168 0.573 0.618 0.619 0.619 0.6240.167 0.59 0.62 0.621 0.628 0.6270.188 0.596 0.621 0.624 0.625 0.630.208 0.592 0.621 0.625 0.626 0.6280.212 0.605 0.623 0.632 0.624 0.6250.215 0.591 0.633 0.632 0.627 0.6290.236 0.595 0.631 0.631 0.624 0.63

0.27 0.6 0.628 0.63 0.625 0.6310.256 0.62 0.625 0.627 0.624 0.6320.291 0.609 0.628 0.627 0.621 0.6280.284 0.622 0.629 0.632 0.622 0.627

0.34 0.619 0.626 0.633 0.598 0.6270.363 0.616 0.626 0.63 0.617 0.6230.425 0.622 0.629 0.631 0.623 0.6290.402 0.619 0.629 0.63 0.629 0.6320.457 0.621 0.629 0.631 0.636 0.6260.464 0.622 0.628 0.628 0.634 0.63

0.46 0.624 0.634 0.628 0.629 0.6250.501 0.624 0.635 0.631 0.625 0.6260.502 0.627 0.629 0.631 0.627 0.6310.522 0.628 0.628 0.637 0.632 0.6280.509 0.626 0.633 0.635 0.627 0.6240.514 0.625 0.633 0.631 0.632 0.6240.557 0.626 0.634 0.631 0.632 0.6280.556 0.628 0.634 0.632 0.632 0.630.549 0.622 0.625 0.632 0.635 0.627

0.56 0.63 0.625 0.633 0.628 0.6240.567 0.631 0.629 0.633 0.634 0.6280.575 0.625 0.629 0.635 0.632 0.6280.579 0.626 0.63 0.632 0.633 0.6290.567 0.627 0.629 0.632 0.63 0.6290.575 0.628 0.632 0.631 0.628 0.6330.607 0.627 0.63 0.632 0.629 0.6240.585 0.629 0.629 0.633 0.629 0.6260.582 0.631 0.629 0.635 0.63 0.63

0.6 0.632 0.631 0.635 0.63 0.6260.596 0.626 0.632 0.634 0.63 0.6330.584 0.626 0.63 0.634 0.63 0.6250.585 0.631 0.628 0.629 0.631 0.6240.577 0.63 0.631 0.629 0.628 0.6260.572 0.627 0.629 0.634 0.628 0.6250.572 0.626 0.628 0.635 0.628 0.6250.573 0.628 0.626 0.624 0.627 0.6280.571 0.629 0.635 0.628 0.628 0.6320.566 0.625 0.634 0.629 0.628 0.6280.566 0.626 0.635 0.635 0.626 0.6270.568 0.63 0.634 0.631 0.634 0.6290.557 0.63 0.63 0.632 0.623 0.6310.554 0.629 0.629 0.63 0.626 0.630.537 0.629 0.627 0.63 0.629 0.6270.539 0.622 0.628 0.631 0.632 0.6280.547 0.621 0.627 0.631 0.635 0.6280.538 0.633 0.627 0.631 0.634 0.6310.511 0.632 0.632 0.63 0.63 0.6260.505 0.629 0.631 0.631 0.631 0.6280.495 0.629 0.635 0.634 0.631 0.625

0.51 0.626 0.633 0.63 0.627 0.630.489 0.626 0.631 0.631 0.627 0.6220.447 0.629 0.63 0.637 0.625 0.6340.471 0.625 0.635 0.638 0.633 0.6350.466 0.628 0.635 0.628 0.632 0.6290.386 0.627 0.635 0.628 0.632 0.6310.304 0.63 0.634 0.632 0.631 0.6330.416 0.63 0.63 0.633 0.629 0.633

0.28 0.629 0.631 0.633 0.629 0.6330.311 0.622 0.631 0.633 0.629 0.6350.321 0.625 0.629 0.633 0.628 0.6320.249 0.623 0.625 0.635 0.625 0.6250.255 0.624 0.625 0.631 0.629 0.6320.215 0.63 0.633 0.633 0.629 0.6230.195 0.63 0.633 0.629 0.626 0.6280.184 0.63 0.63 0.629 0.626 0.630.149 0.625 0.63 0.63 0.627 0.620.151 0.627 0.632 0.629 0.63 0.6280.135 0.626 0.631 0.631 0.626 0.6270.135 0.629 0.632 0.631 0.6290.121 0.624 0.63 0.627 0.6290.114 0.623 0.622 0.625 0.6140.107 0.619 0.62 0.628 0.6130.097 0.621 0.628 0.629 0.6240.099 0.617 0.627 0.633 0.6250.094 0.619 0.628 0.632 0.6290.092 0.617 0.628 0.628 0.6230.077 0.62 0.626 0.628 0.6280.071 0.618 0.625 0.629 0.6280.066 0.617 0.632 0.628 0.6270.064 0.61 0.63 0.627 0.622

Total Annual Energy Savings from SwitchingLevel One 2117.812

Level Two 1155.335Level Three 1452.712

4725.859 kWh

Carpeting vs. Tile Flooring

1) Existing2) Level One Replaced w/ Carpeting3) All Atrium Flooring Replaced w/ Carpeting

Comparison at 1,000 Hz

ACOUSTICAL BREADTH

Target Range: 1.3-1.9 s

Results:

1) RT = 1.752) RT = 1.363) RT = 1.16

LED STUDY

1) 21 luminaires arranged perpendicular to tables2) 16 luminaires parallel and in between lab tables

Scenario 1 Scenario 2

Average Illuminance: 44.4 fcPayback Period: 16 years

Average Illuminance: 41.5 fcPayback Period: 7 years

Existing Distribution

Direct Replacement: Motor Loads = 2867.9 ARemoving Chillers: Motor Loads = 1341.9 A

-reduces size of incoming feeder bus

ELECTRICAL DEPTH

LIGHTING: Illuminated spaces to satisfy IESNA standards and ASHRAE power requirements

DAYLIGHTING: Reduced annual energy consumption by over 50% with integrated photosensor system

ACOUSTICS: Validated improvements with alternative flooring; not critical to implement

LED STUDY: Alternative general illumination system for labs insufficient

ELECTRICAL: MCC designed for mechanical penthouse is not practical

PROJECT SUMMARY