H.J. Heinz Distribution Center - Penn State Engineering · Michael J. Carroll Mechanical OptionH.J. Heinz Distribution Center Presentation Outline Building Synopsis Client Concerns

River Avenue

Pittsburgh, Pennsylvania

Michael J. CarrollMechanical OptionPrimary Advisor: Dr. Bahnfleth

H.J. Heinz Distribution Center

Michael J. Carroll Mechanical OptionH.J. Heinz Distribution Center

Presentation OutlineBuilding Synopsis

Client Concerns

Goals of Project

Mechanical Systems

Mechanical System Selection

Daylight Addition

Roof Framing Redesign

Conclusions

Questions


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








Client Concerns

Open Floor Space

Storage for Canned Food

Temperate Climate

Freezing of Cans Near Intake Louvers


Client Concerns

Freezing Cans


Goals of Project

Provide Economical and Efficient Working Environment

Supply Zonal Air Conditioning

Impart Daylight into Warehouse

Design Roof Framing for Daylighting Clerestories


Mechanical Systems

Existing Mechanical:

3 Duct Heaters

12 Intake Air Louvers

13 Exhaust Fans

Air-to-Air Packaged Heat Pumps


Mechanical Systems

Existing Cooling:


Mechanical Systems

Existing Heating:


Mechanical Systems

Proposed Mechanical:Geothermal Heat ExchangerGround Water Heat Pump SystemSurface Water Heat Pump SystemZonal Heating and Cooling Control


1425 Tons336 TonsWarehouseZone 4

210 Tons20 TonsConveyor HallwayZone 3

12 Tons2 TonsWest Office AreaZone 2

11 Ton1 TonEast Office AreaZone 1

Quantity of UnitsUnit SizeDesign Load RoomsZone

Zonal Heat Pump Sizes and Quantities

Mechanical Systems

Proposed Heat Pump Locations:


Mechanical Systems

Geothermal Exchanger Heat Pump:


$443,775.66

$5,587.50$2.98$1.94$1.041,8751-1/2" Fiberglass with Jacket Insulation (LF)

$12,000.00$6.40$4.03$2.371,8751" Copper H2O Pipe (in Linear Feet)

$103,538.16$2.64$2.03$0.6139,2191-1/4" Polyethylene HX Pipe (in Linear Feet)

$24,000.00$12,000.00$2,800.00$9,200.00210 Ton Heat Pump

$3,275.00$3,275.00$1,350.00$1,925.0012 Ton Heat Pump

$2,425.00$2,425.00$1,100.00$1,325.0011 Ton Heat Pump

$292,950.00$20,925.00$6,425.00$14,500.001425 Ton Heat Pump

TotalUnit TotalInstallationMaterialQuantityUnit

Geothermal Heat Pump Equipment Pricing

Mechanical Systems

Geothermal Exchanger Heat Pump:


Mechanical Systems

Ground Water Heat Pump


$366,816.34



$5,274.00$14.65$9.60$5.053602-1/2" Sch. 40 Steel Pipe (LF)

$13,354.84$6,677.42$2,336.88$4,340.5423 HP - 150 GPM End-Suction Pump (each)

$7,950.00$7,950.00$590.00$7,360.001110 GPM Plate & Frame Heat Exchanger

$24,000.00$12,000.00$2,800.00$9,200.00210 Ton Heat Pump

$3,275.00$3,275.00$1,350.00$1,925.0012 Ton Heat Pump

$2,425.00$2,425.00$1,100.00$1,325.0011 Ton Heat Pump

$292,950.00$20,925.00$6,425.00$14,500.001425 Ton Heat Pump


Ground Water Heat Pump Equipment Pricing

Mechanical Systems

Ground Water Heat Pump


Mechanical Systems

Surface Water Heat Pump


$1,043,501.50



$703,264.00$6.40$4.03$2.37109,8851-1/4" Polyethylene HX Pipe (in Linear Feet)

$24,000.00$12,000.0

0$2,800.00$9,200.00210 Ton Heat Pump

$3,275.00$3,275.00$1,350.00$1,925.0012 Ton Heat Pump

$2,425.00$2,425.00$1,100.00$1,325.0011 Ton Heat Pump

$292,950.00$20,925.00$6,425.00$14,500.001425 Ton Heat Pump


Surface Water Heat Pump Equipment Pricing

Mechanical Systems

Surface Water Heat Pump:



Which is the Best Heat Pump Solution???



Ground Water Heat PumpAdvantages:

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


Daylighting

Existing 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


Daylighting


Daylighting

Summer / Clear Sky Illuminance

275 Fc on Floor130 Fc on

Can Sides


Daylighting

Winter / Overcast Sky Illuminance

30 Fc on Floor22 Fc on

Can Sides


Daylighting

8.6621.5930.22Total Illuminance (fc) =

4.0416.983.321.3025.60Illuminance (fc) =

0.600.600.700.700.60LFF =

0.82LDD =

0.900.900.980.980.90BF =

0.850.850.910.910.85LLD =

0.96RSDD =

0.870.870.800.870.87CU =

36,00036,0009,2005,95036,000Lumens =

301269050190Luminaires

F01(metal halide)

F01(metal halide)

F10(fluorescent)

F02(fluorescent)

F01(metal halide)

Luminaire


Daylighting

Summer Month Peak Savings:

64 kilowatts$186

Winter Month Peak Savings:

25.6 kilowatts$75


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’)


Structural Redesign

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

Joist Girder on Interior with ClerestoriesModified 60G12N13.4K

Joist Girder on West/East Exterior Walls with No Clerestories60G12N6.7K

Joist Girder on Interior with No Clerestories60G12N13.4K

Roof Framing Supporting Clerestories36LH13

Roof Framing Throughout (excluding Clerestories)32LH06

North and South Exterior Walls24K7

LocationJoist Size


Structural Redesign

Modified Joist Girders


Conclusions

Ground Water Heat Pumps are Economical for the Pittsburgh EnvironmentHeating and Cooling provided in all spacesDaylight reduces Power Demand, and Provide Natural SunlightJoist Girders supply needed strength and span Warehouse requires


AccoladesThe AE Department

Dr. William BahnflethDr. Jim FreihautMoses LingM. Kevin ParfitJonathan Dougherty

LLI TechnologiesJames White, PEMarjorie ConradChuck Boyle

Mosities ConstructionTom Edwards

Star ElectricBob Kalan

AE Colleagues


Questions


H.J. Heinz Distribution Center - Penn State Engineering · Michael J. Carroll Mechanical OptionH.J. Heinz Distribution Center Presentation Outline Building Synopsis Client Concerns

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