Proposed Elementary School Reading, Pennsylvania AEI Team 03 … · 2013-04-18 · BBBBUILDING...

STRUCTURAL SYSTEMS CONCLUSIONSMECHANICAL SYSTEMSBBBBUILDINGUILDINGUILDINGUILDING OOOOVERVIEWVERVIEWVERVIEWVERVIEW

Proposed Elementary School

Reading, Pennsylvania

AEI Team 03-2013

Proposed Elementary School

Reading, Pennsylvania

AEI Team 03-2013

Max Becker, Structural Brandon Rupert, Structural Chong Sheng Feng, Mechanical Angie Veintimilla, Mechanical Michael Brown, Construction Tyler Donnell, Construction

BUILDING OVERVIEW

STRUCTURAL SYSTEMS MECHANICAL SYSTEMSBBBBUILDINGUILDINGUILDINGUILDING OOOOVERVIEWVERVIEWVERVIEWVERVIEW

http://www.greencastle.k12.pa.us/Portals/0/District/SchBrd/SchoolBoard.jpg

Owner Goals

• Improve student performance

• Student and teacher happiness & comfort

• School as a center of the community

• Safety and security of students

• Future-proof

• Sustainable

Project Team Design Goals

• Promote active learning through effective design

• Maximize indoor environmental quality

• Create a community center while minimally impacting

student learning

• Create a secure environment for learning

• Flexible design for future adaptability and change

• Sustainable school as a teaching tool

AEI Team 03-2013AEI Team 03-2013

CONCLUSIONS



Building Fast Facts

3-Story



Building Systems Summary

/http://spxcooling.com/en/profiles/the-mcw-cooling-tower

http://www.mcquay.com/McQuay/ProductInformation/WSHP/SmartSourceSingleStageVertical

Hybrid Geothermal System

Steel Frame w/ Shear Walls

Brick & Aluminum Panel Facade



Add-Alternatives

Separate Natatorium

http://wwp.greenwichmeantime.com/time-zone/usa/pennsylvania/images/state-flag-pennsylvania.jpg

Hardened First Floor EnvelopeAssumption: Existing School Occupied


↑

N

Competition Floor Plans and Orientation of the

Building stayed the same with only minor changes


Additions & Changes

Green Roof Addition Elevated Recess Area



Design Comparison of North Façade Design Comparison of South Façade Cantilever removed, additional classroom space

and room for heat pump closets

STRUCTURAL SYSTEMS

Bullet-Resistant Glass

Check-In Desk w/

Emergency Button

CONCLUSIONSMECHANICAL SYSTEMSBBBBUILDINGUILDINGUILDINGUILDING OOOOVERVIEWVERVIEWVERVIEWVERVIEW


Site Security

Administration

Area Access

Front Entrance Planters

Separate Natatorium

1. Lobby

2. Locker Rooms

3.Mechanical Room

4. Equipment Room

5. Lifeguard/Admin Office

6. Glass Curtain Wall

7. Pool

8. Spectator Stands

CONCLUSIONS

LEED

STRUCTURAL SYSTEMS MECHANICAL SYSTEMS


Total: 54 LEED Credits

BUILDING OVERVIEW

SSSSTRUCTURALTRUCTURALTRUCTURALTRUCTURAL SSSSYSTEMSYSTEMSYSTEMSYSTEMS CONCLUSIONSMECHANICAL SYSTEMS


Structural Systems

BUILDING OVERVIEW

STRUCTURAL SYSTEMS CONCLUSIONSMECHANICAL SYSTEMS

AEI Team 03-2013AEI Team 03-2013Geotechnical Report & Foundation Design

Geotechnical Report

• Site consists of “a very broad, moderately dissected valley

with a gently undulating surface with the southern half

having Karst Terrain.”

• 15 Sinkholes already present at the site

Foundation Design

• 3 options

• Using 10” dia. Concrete filled driven piles

• Pile caps

BUILDING OVERVIEW


AEI Team 03-2013AEI Team 03-2013Geotechnical Report & Foundation Design

Geotechnical Report

• Site consists of “a very broad, moderately dissected valley

with a gently undulating surface with the southern half

having Karst Terrain.”

• 15 Sinkholes already mapped throughout the site

Foundation Design

• 3 options

• Using 10” dia. Concrete filled driven piles

• Pile caps

• 3 Grade Beam sizes throughout the building

• Retaining Walls

Grade Grade Grade Grade

BeamBeamBeamBeam

Depth Depth Depth Depth

((((ftftftft))))

Width Width Width Width

((((ftftftft))))

TopTopTopTop

ReinfReinfReinfReinf....

BottomBottomBottomBottom

Reinf.Reinf.Reinf.Reinf.

ShearShearShearShear

ReinfReinfReinfReinf....

GB-1 2’-0” 1’-6” (2)#9 (4)#9 #3 @ 9”

GB-2 1’-6” 1’-3” (2)#6 (3)#6 #3 @ 7”

GB-B 2’-6” 1’-6” (2)#9 (3)#9 #3 @ 7”

BUILDING OVERVIEW


AEI Team 03-2013AEI Team 03-2013Gravity Structure Design

• Gravity Loads

• Dead Loads

• Live Loads

• Snow Load

Load TypeLoad TypeLoad TypeLoad Type Load Load Load Load

(PSF)(PSF)(PSF)(PSF)

DescriptionDescriptionDescriptionDescription

Floor Dead

Load

60 2” metal deck with 3.5”

concrete topping and

MEP allowances

Roof Dead

Load

30 1.5” Roof Deck + MEP

allowances and roofing

mat’l.

Green Roof

Dead Load

65 2 PSF plant load, 50 psf

soil load, 3 psf drainage

and vapor barrier, and

10 psf for roofing

material

Load TypesLoad TypesLoad TypesLoad Types Load (PSF)Load (PSF)Load (PSF)Load (PSF)

Floor LL 100

Roof LL 20

Stage Roof LL* 58

BUILDING OVERVIEW



• Gravity Loads

• Composite Steel Design w/ Wide Flange Beams &

Girders• Beam sizes range from W8-W30

• Gravity Columns:

• W10x49, W12x56, & HSS16x12x5/16 (gym)

• Beam depths only restricted in corridors

BUILDING OVERVIEW



• Gravity Loads




• W10x49, W12x56, & HSS16x12x5/16 (gym)


• Roof Structure

BUILDING OVERVIEW



• Gravity Loads




• W10x49, W12x56, & HSS16x12x5/16 (gym)


• Roof Structure

• Natatorium Structure

BUILDING OVERVIEW


AEI Team 03-2013AEI Team 03-2013Lateral Systems Design

Main School Seismic Design

Criteria

Occ. Cat. III

Importance Factor 1.25

Site Class C

R factor Ord.

Reinf. Conc. Shear

walls

5

Seismic Design

Category

B

Building Wt. (k) 17500

Base Shear (k) 910

Main School Lateral System

• Reinforced Concrete Shear Walls

• Base Shear = 910 kips

BUILDING OVERVIEW



Main School Seismic Design

Criteria

Occ. Cat. III


Site Class C

R factor Ord.

Reinf. Conc. Shear

walls

5

Seismic Design

Category

B


Base Shear (k) 910




• Shear Walls located at Stairwells

and at Column Line O

BUILDING OVERVIEW



Gym/Shelter Seismic Design

Criteria

Occ. Cat. IV


Site Class C

R factor Ind. Comp.

Moment Frame

5

Seismic Design

Category

C


Base Shear (k) 65

Brace Brace Brace Brace

FramesFramesFramesFrames

Cross Brace SizeCross Brace SizeCross Brace SizeCross Brace Size

1 HSS7X4X3/16

2 HSS7X4X3/16

3 HSS7X2X1/4

4 HSS8X6X5/8




• Shear Walls located at Stairwells

and at Column Line O

Gymnasium Lateral System

• Isolated from main school

structure

• Intermediate Composite

Moment Frame

BUILDING OVERVIEW


AEI Team 03-2013AEI Team 03-2013Gymnasium/Shelter/Shelter Roof Design

Gymnasium/Shelter Design

• FEMA Shelter Design

• Stage Design

• Designed to support High School caliber

theater production

• Building as a center of the community

BUILDING OVERVIEW


AEI Team 03-2013AEI Team 03-2013Building Security

Gymnasium/Shelter Design

• FEMA Shelter Design

• Stage Design

Bullet-Resistant Façade Design

• Areas requiring stronger facade

• Add-Alternate

BUILDING OVERVIEW

CONCLUSIONS


Mechanical Systems

STRUCTURAL SYSTEMS MECHANICAL SYSTEMSBUILDING OVERVIEW


Mechanical Goals:


BUILDING OVERVIEW


Mechanical Goals:


Climate Zone Building Envelope

Min. Roof

Insulation

R-Value

Min. Wall

Insulation

R-Value

Fenestration

Assembly

Max. U-

Value

Fenestration

Max. SHGC

Non-Heated

Slab on Grade

Floor Min.

Insulation

Required R-20 R-13 0.45 0.4 NR

Designed R-20 R-13 0.45 0.4 NR

Compliance Achieved Achieved Achieved Achieved Achieved

Reading, PA

BUILDING OVERVIEW

CONCLUSIONS

System Selection Final Selection


Restrains

Ground Source Heat Pump System

• Renewable energy source and energy efficient

• Low cost of operation

• No natural gas usage

• Long service life.

• Load Profile

• Site and Budget Restrictions

Hybrid Ground Source Heat Pump System

Qa—Building Design

Block Load (BTU/h)

Required Length

(Linear ft.)

# of Boreholes

(300ft Deep)

Field Area

(ft2)

Cooling 2,024,300 52,382 87 30,400

Heating 1,320,300 31,821 55 18,100

Future Proof – Boiler connection

BUILDING OVERVIEW

CONCLUSIONS

System Selection


Restrains






• Load Profile



Block Load (BTU/h)

Required Length

(Linear ft.)

# of Boreholes

(300ft Deep)

Field Area

(ft2)

Cooling 2,024,300 52,382 87 30,400

Heating 1,320,300 31,821 55 18,100

Energy Consumption (kWh)

Baseline Proposed

Primary heating 58,656 13,675

Cooling Compressor 114,781 54,561

Other Cooling Accessories — 31

Pumps — 14,199

Lighting 58,5269 585,269

Receptacles 23,615 23,615

Total 782,260 691,350

14% energy savings

Energy Consumption

BUILDING OVERVIEW

CONCLUSIONS

System Selection


Restrains






• Load Profile



Block Load (BTU/h)

Required Length

(Linear ft.)

# of Boreholes

(300ft Deep)

Field Area

(ft2)

Cooling 2,024,300 52,382 87 30,400

Heating 1,320,300 31,821 55 18,100

$2,000,000.00

$2,500,000.00

$3,000,000.00

$3,500,000.00

$4,000,000.00

$4,500,000.00

$5,000,000.00

$5,500,000.00

$6,000,000.00

0 2 4 6 8 10 12 14 16 18 20 22 24

Tota

l P

rese

nt

Va

lue

Years

Life Cycle Analysis

Baseline

Design

Life Cycle Analysis

BUILDING OVERVIEW

CONCLUSIONS

Thermal ZonesVentilation



Distribution System

Heat Pumps with Dedicated Outdoor Air System First Floor

Second Floor

Third Floor

ZoneZoneZoneZone Serving AreaServing AreaServing AreaServing Area Size (Ton)Size (Ton)Size (Ton)Size (Ton) O.A. CFMO.A. CFMO.A. CFMO.A. CFM Required O.A.Required O.A.Required O.A.Required O.A. 30% 30% 30% 30%

ComplianceComplianceComplianceCompliance

1 Multipurpose Room RTU1– Cafeteria

Side

25 ton 18,200 14,000 YES

2 Multipurpose Room RTU2—Gym Side 15 ton 5,200 4,000 YES

3 Kitchen Make-up Air/Exhaust Unit 2.5 ton 495 380 YES

4 Clinic– Indoor AHU1 1.5 ton 435 335 YES

5 Administration & Offices– Indoor AHU2 2 ton 415 320 YES

6 1st Floor Classrooms– Indoor AHU3 13 ton 4,284 3,295 YES

7 1st & 2nd Floor– RTU1 14 ton 5,079 3,907 YES

8 2nd & 3rd Floor– RTU2 27 ton 18,400 14,150 YES

9 2nd & 3rd Floor– RTU3 11.5 ton 4,870 3,746 YES

BUILDING OVERVIEW

CONCLUSIONS

Acoustic ConcernSummer Design Condition



Typical Classroom

↑↑↑↑

Exposed Ceiling

Typ. Classroom

10

’-7”

↑

Drop Ceiling

Typ. Corridor

1. Outdoor Condition

87.9oF Dry Bulb, 72.1oF Wet

Bulb

2. Classroom Condition

75oF Dry Bulb, 50% RH

3. Supply Air Condition

Space A – Sound

Levels dB

Desired NC

(Noise Criteria)

Libraries, classrooms 35-45 30-40

Laboratories, shops 40-50 35-45

Gyms, multipurpose,

corridors40-55 35-50

Kitchens 45-55 40-55

14

’-0”

9’-2

”

1111

22223333

BUILDING OVERVIEW

CONCLUSIONSSTRUCTURAL SYSTEMS MECHANICAL SYSTEMS


Multipurpose Room Other Spaces

ClinicClinicClinicClinic

Admin. & Admin. & Admin. & Admin. &

CorridorCorridorCorridorCorridor

KitchenKitchenKitchenKitchenAHU#1AHU#3

AHU#2

BUILDING OVERVIEW

CONCLUSIONS

Cooling Tower


AEI Team 03-2013AEI Team 03-2013 Equipment Location CoordinationKitchen Exhaust Multipurpose Room Rooftop Units

1

2

BUILDING OVERVIEW

CONCLUSIONS

Natatorium



Type of Pool Air Temp. °F RH % Water Temp. °F

Recreational 75 to 85 50 to 60 75 to 85

Therapeutic 80 to 85 50 to 60 85 to 95

Competition 78 to 85 50 to 60 76 to 82

Diving 80 to 85 50 to 60 80 to 90

Whirlpool Spa 80 to 85 50 to 60 97 to 104

Pool Load Calculation

Load= 0.1*pool area* vapor pressure * use factor

Water Temp. 80 F

Air Temp. 82 F

RH 60 %

Pool Area 3680 ft2

Use Factor 0.9

Water Vapor Pressure 1.033 In. Hg

Air Vapor Pressure 0.62 In. Hg

delta vapor pressure 0.413 In. Hg

Pool load 140 lbs/hr

20 ton dehumidifier, 4,500 CFM

BUILDING OVERVIEW

CONCLUSIONSSTRUCTURAL SYSTEMS MECHANICAL SYSTEMS


Structural Conclusions

• Efficient, economical design-use of deeper

lighter beams

• Future-proof-100 PSF Live Load

• Support the community-Stage design and

natatorium

• Increase safety-Strengthened facade

Project Conclusions

• Student/teacher happiness & comfort –natural light,

thermal comfort, noise control

• School as center for community – stage design, clinic,

shelter, separate natatorium

• Safety & security – planters, strengthened façade

• Future-proof – live load, classroom layout

• Sustainable – LEED Silver

Mechanical Conclusions

• Good indoor air quality- ASHRAE 62.1 ventilation

rates

• Thermal Comfort – Heat pumps in every classroom

• Minimize noise disruption – 35NC for classrooms

• Energy efficient – geothermal system

• Sustainable – 21 LEED credits

BUILDING OVERVIEW

CONCLUSIONSBUILDING OVERVIEW STRUCTURAL SYSTEMS MECHANICAL SYSTEMS


Q & A

Proposed Elementary School Reading, Pennsylvania AEI Team 03 … · 2013-04-18 · BBBBUILDING...

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