River Avenue Pittsburgh, Pennsylvania Michael J. Carroll Mechanical Option Primary Advisor: Dr....

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River Avenue Pittsburgh, Pennsylvania Michael J. Carroll Mechanical Option Primary Advisor: Dr. Bahnfleth Distribution Center

Transcript of River Avenue Pittsburgh, Pennsylvania Michael J. Carroll Mechanical Option Primary Advisor: Dr....

River AvenuePittsburgh, Pennsylvania

Michael J. CarrollMechanical OptionPrimary Advisor: Dr. Bahnfleth

H.J. Heinz Distribution

Center

Michael J. Carroll

Mechanical OptionH.J. Heinz Distribution

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Presentation Outline Building Synopsis Client Concerns Goals of Project Mechanical Systems Mechanical System Selection Daylight Addition Roof Framing Redesign Conclusions Questions

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Building Synopsis Total 150,000 ft2

140,000 ft2 Warehouse 3 Offices, 2 Break Rooms,

2 Sets of Rest Rooms Built 8/2000 11/2001 $14 million cost Addition to Prior Warehouse Adjacent to Allegheny River

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H.J. Heinz Distribution Center

Michael J. Carroll

Mechanical OptionH.J. Heinz Distribution

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H.J. Heinz Distribution Center

Michael J. Carroll

Mechanical OptionH.J. Heinz Distribution

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H.J. Heinz Distribution Center

Michael J. Carroll

Mechanical OptionH.J. Heinz Distribution

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Client Concerns Open Floor Space Storage for Canned

Food Temperate Climate Freezing of Cans Near

Intake Louvers

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Client Concerns

Freezing Cans

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Goals of Project Provide Economical and

Efficient Working Environment

Supply Zonal Air Conditioning

Impart Daylight into Warehouse

Design Roof Framing for Daylighting Clerestories

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Mechanical Systems

Existing Mechanical: 3 Duct Heaters 12 Intake Air Louvers 13 Exhaust Fans Air-to-Air Packaged

Heat Pumps

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Mechanical Systems

Existing Cooling:

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Mechanical Systems

Existing Heating:

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Mechanical SystemsProposed Mechanical: Geothermal Heat

Exchanger Ground Water Heat

Pump System Surface Water Heat

Pump System Zonal Heating and

Cooling Control

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Zonal Heat Pump Sizes and Quantities

Zone Rooms Design Load Unit Size Quantity of Units

Zone 1 East Office Area 1 Ton 1 Ton 1

Zone 2 West Office Area 2 Tons 2 Tons 1

Zone 3 Conveyor Hallway 20 Tons 10 Tons 2

Zone 4 Warehouse 336 Tons 25 Tons 14

Mechanical Systems

Proposed Heat Pump Locations:

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Mechanical Systems

Geothermal Exchanger Heat Pump:

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Geothermal Heat Pump Equipment Pricing

Unit Quantity Material Installation Unit Total Total

25 Ton Heat Pump 14$14,500.0

0 $6,425.00$20,925.0

0$292,950.

00

1 Ton Heat Pump 1 $1,325.00 $1,100.00 $2,425.00 $2,425.00

2 Ton Heat Pump 1 $1,925.00 $1,350.00 $3,275.00 $3,275.00

10 Ton Heat Pump 2 $9,200.00 $2,800.00$12,000.0

0$24,000.0

0

1-1/4" Polyethylene HX Pipe (in Linear Feet) 39,219 $0.61 $2.03 $2.64

$103,538.16

1" Copper H2O Pipe (in Linear Feet) 1,875 $2.37 $4.03 $6.40$12,000.0

0

1-1/2" Fiberglass with Jacket Insulation (LF) 1,875 $1.04 $1.94 $2.98 $5,587.50

         $443,775.

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Mechanical Systems

Geothermal Exchanger Heat Pump:

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Mechanical Systems

Ground Water Heat Pump

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Ground Water Heat Pump Equipment Pricing

Unit Quantity Material Installation Unit Total Total

25 Ton Heat Pump 14$14,500.0

0 $6,425.00$20,925.0

0$292,950.

00

1 Ton Heat Pump 1 $1,325.00 $1,100.00 $2,425.00 $2,425.00

2 Ton Heat Pump 1 $1,925.00 $1,350.00 $3,275.00 $3,275.00

10 Ton Heat Pump 2 $9,200.00 $2,800.00$12,000.0

0$24,000.0

0

110 GPM Plate & Frame Heat Exchanger 1 $7,360.00 $590.00 $7,950.00 $7,950.00

3 HP - 150 GPM End-Suction Pump (each) 2 $4,340.54 $2,336.88 $6,677.42

$13,354.84

2-1/2" Sch. 40 Steel Pipe (LF) 360 $5.05 $9.60 $14.65 $5,274.00

1" Copper H2O Pipe (in Linear Feet) 1,875 $2.37 $4.03 $6.40$12,000.0

0

1-1/2" Fiberglass with Jacket Insulation (LF) 1,875 $1.04 $1.94 $2.98 $5,587.50

         $366,816.

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Mechanical Systems

Ground Water Heat Pump

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Mechanical Systems

Surface Water Heat Pump

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Surface Water Heat Pump Equipment Pricing

Unit Quantity Material Installation Unit Total Total

25 Ton Heat Pump 14$14,500.0

0 $6,425.00$20,925.

00$292,950.0

0

1 Ton Heat Pump 1 $1,325.00 $1,100.00$2,425.0

0 $2,425.00

2 Ton Heat Pump 1 $1,925.00 $1,350.00$3,275.0

0 $3,275.00

10 Ton Heat Pump 2 $9,200.00 $2,800.00$12,000.

00 $24,000.00

1-1/4" Polyethylene HX Pipe (in Linear Feet) 109,885 $2.37 $4.03 $6.40

$703,264.00

1" Copper H2O Pipe (in Linear Feet) 1,875 $2.37 $4.03 $6.40 $12,000.00

1-1/2" Fiberglass with Jacket Insulation (LF) 1,875 $1.04 $1.94 $2.98 $5,587.50

         $1,043,501

.50

Mechanical Systems

Surface Water Heat Pump:

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Mechanical System Selection

Which is the Best Heat Pump

Solution???

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Mechanical System Selection

Ground Water Heat Pump

Advantages: Less Drilling for Wells than

Geothermal Piping Less Piping required than

Surface Water or Geothermal $76,960 savings over

Geothermal $676,685 savings over Water

Source

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DaylightingExisting Warehouse Lighting: 190 - 400 Watt Metal Halide

Fixtures 140 - 180 Watt Fluorescent T8’s = Total 101,750 Watts Installed Warehouse Daylighting: 3 Sets of 3’ high windows length

of Warehouse Visible Transmittance of 0.50 Window-to-wall Ratio = 0.36

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Daylighting

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Daylighting

Summer / Clear Sky Illuminance

275 Fc on Floor 130 Fc on

Can Sides

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Daylighting

Winter / Overcast Sky Illuminance

30 Fc on Floor 22 Fc on

Can Sides

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Daylighting

    Luminaire    

   

F01(metal

halide)

F02(fluoresce

nt)

F10(fluoresce

nt)

F01(metal

halide)

F01(metal

halide)

 Luminair

es 190 50 90 126 30

 Lumens

= 36,000 5,950 9,200 36,000 36,000

  CU = 0.87 0.87 0.80 0.87 0.87

RSDD = 0.96          

LLD =   0.85 0.91 0.91 0.85 0.85

BF =   0.90 0.98 0.98 0.90 0.90

LDD = 0.82          

LFF =   0.60 0.70 0.70 0.60 0.60

Illuminance (fc) =   25.60 1.30 3.32 16.98 4.04

             

Total Illuminance (fc) =   30.22     21.59 8.66

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Daylighting

Summer Month Peak Savings:

64 kilowatts $186Winter Month Peak

Savings: 25.6 kilowatts $75

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Structural Redesign

Existing Roof Structure: Pre-fabricated Wide-

Flange Steel Beams Redesigned Structural Members: New Joist-Girders 3 sets of 3’ high windows required

(= 2 clerestories) 10’ opening for clerestory for length

of warehouse (737’)

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Structural Redesign

Joist Size Location

24K7 North and South Exterior Walls

32LH06 Roof Framing Throughout (excluding Clerestories)

36LH13 Roof Framing Supporting Clerestories

60G12N13.4K  Joist Girder on Interior with No Clerestories

60G12N6.7K Joist Girder on West/East Exterior Walls with No

Clerestories

Modified 60G12N13.4K  Joist Girder on Interior with Clerestories

Modified 60G12N6.7K  Joist Girder on West/East Exterior with Clerestories

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Structural Redesign

Modified Joist Girders

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Conclusions Ground Water Heat Pumps are

Economical for the Pittsburgh Environment

Heating and Cooling provided in all spaces

Daylight reduces Power Demand, and Provide Natural Sunlight

Joist Girders supply needed strength and span Warehouse requires

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AccoladesThe AE Department

Dr. William Bahnfleth Dr. Jim Freihaut Moses Ling M. Kevin Parfit Jonathan Dougherty

LLI Technologies James White, PE Marjorie Conrad Chuck Boyle

Mosities Construction Tom Edwards

Star Electric Bob Kalan

AE Colleagues

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?Questions

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Thank You!