WWYK263009_65_NG-LCCA_BLCC results.pdf

Recommendation based on Life-cycle Cost Effectiveness (LCCE)

Tinker BACH

6/7/2024

BASELINE 90.1-2019

BASELINE

(RF-IEAD-B)

Insulation Entirely Above

Deck, 2.5" polyiso above metal deck

BASELINE

(WL-SF-B)

Stucco, 0.625" GPB, steel stud framing (0.043" for 18 gauge or

0.054" for 16 gauge) @ 3.5" cavity and 16" on-center, 3.5" batt insulation, 0.625" GPB

BASELINE

(FA-AS-B)

Aluminum storefront 1", tinted/tempered low-e, double pane, U-0.45 (COG) (U-0.57

Assembly), SHGC-0.25, VT-0.275

BASELINE

(OD-IS-B)

Uninsulated single layer metal door

BASELINE

(LT-LD-B)

LED, 1.00 W/sf (Admin)

0.80 W/sf (Hangar)

BASELINE

(SW-AS-B)

Service hot water, electric resistance storage water heater, 2x210 gallons

BASELINE - (HC-EL-B)

ADMIN - Packaged VAV with PFP Boxes, DX cooling, electric resistance

HANGAR - Heating and Ventilating Unit (HVU), electric resistance

No PV System Total

Initial Cost ($) $2,972,136.56 $ 1,948,927.27 $ 2,199,305.25 $33,545 1,567,963.08$ $30,211 $ 2,897,889.00 $11,649,977 First Costs ($)

Electric Costs ($) $319,769 Annual Energy Costs ($)

Electric Consumption (kWh) 4,280,947.22 Annual Energy Consumption (kWh)

Recurring Costs ($/yr) 103,965.00$ $300 $ 47,100.00 $151,365 Recurring Costs ($)

Non-recurring Costs $0 Non-recurring Costs ($)

Total Replacement Costs Over 40 Years 4,703,889.25$ $60,422 2,028,522.30$ $6,792,834 Replacement Costs ($)

$30,324,767 Present Value (40 years)

NG SHW Alt 1 SW-GI-A1

BASELINE

(RF-IEAD-B)

Insulation Entirely Above

Deck, 2.5" polyiso above metal deck

BASELINE

(WL-SF-B)

Stucco, 0.625" GPB, steel stud framing (0.043" for 18 gauge or

0.054" for 16 gauge) @ 3.5" cavity and 16" on-center, 3.5" batt insulation, 0.625" GPB

BASELINE

(FA-AS-B)

Aluminum storefront 1", tinted/tempered low-e, double pane, U-0.45 (COG) (U-0.57

Assembly), SHGC-0.25, VT-0.275

BASELINE

(OD-IS-B)

Uninsulated single layer metal door

BASELINE

(LT-LD-B)

LED, 1.00 W/sf (Admin)

0.80 W/sf (Hangar)

ALTERNATIVE 1

(SW-GI-A1)

Service hot water, natural gas instantaneous (0 gallon storage), (4x) condensing instantaneous water heaters at

95% efficiency and 199 MBH each (AO

Smith, model ACT-199I-N)

BASELINE - (HC-EL-B)

ADMIN - Packaged VAV with PFP Boxes, DX cooling, electric resistance

HANGAR - Heating and Ventilating Unit (HVU), electric resistance

No PV System Total

Initial Cost ($) $2,972,136.56 $ 1,948,927.27 $ 2,199,305.25 $33,545 1,567,963.08$ $22,183 $ 2,897,889.00 $11,641,949 First Costs ($)

Electric Costs ($) $312,791 Annual Energy Costs ($)

Electric consumption (kWh) 4,187,522.22 Annual Energy Consumption (kWh)

Natural Gas Costs ($) $1,584 Annual NG Costs ($)

Natural Gas consumption (Therms) 3,896.19 Annual NG Consumption (Therms)

Recurring Costs ($/yr) 103,965.00$ $1,200 $47,100 $152,265 Recurring Costs ($) Non-recurring Costs $0 Non-recurring Costs ($) Total Replacement Costs Over 40 Years 4,703,889.25$ $44,366 $2,028,522 $6,776,778 Replacement Costs ($)

$30,227,762 Present Value (40 years)

NG SHW Alt 2 SW-GS-A1

BASELINE

(RF-IEAD-B)

Insulation Entirely Above

Deck, 2.5" polyiso above metal deck

BASELINE

(WL-SF-B)

Stucco, 0.625" GPB, steel stud framing (0.043" for 18 gauge or

0.054" for 16 gauge) @ 3.5" cavity and 16" on-center, 3.5" batt insulation, 0.625" GPB

BASELINE

(FA-AS-B)

Aluminum storefront 1", tinted/tempered low-e, double pane, U-0.45 (COG) (U-0.57

Assembly), SHGC-0.25, VT-0.275

BASELINE

(OD-IS-B)

Uninsulated single layer metal door

BASELINE

(LT-LD-B)

LED, 1.00 W/sf (Admin)

0.80 W/sf (Hangar)

ALTERNATIVE 1

(SW-GS-A1)

Service hot water, (2x) natural gas condensing water heaters at 95% efficiency and 120 MBH each, 60 gallons each (AO Smith, model BTH-120)

BASELINE - (HC-EL-B)

ADMIN - Packaged VAV with PFP Boxes, DX cooling, electric resistance

HANGAR - Heating and Ventilating Unit (HVU), electric resistance

No PV System Total

Initial Cost ($) $2,972,136.56 $ 1,948,927.27 $ 2,199,305.25 $33,545 1,567,963.08$ $23,517 $ 2,897,889.00 $11,643,283 First Costs ($)

Electric Costs ($) $312,791 Annual Energy Costs ($)

Electric consumption (kWh) 4,187,522.22 Annual Energy Consumption (kWh)

Natural Gas Costs ($) $1,355 Annual NG Costs ($)

Natural Gas consumption (Therms) 3,334.14 Annual NG Consumption (Therms)

Recurring Costs ($/yr) 103,965.00$ $300 $47,100 $151,365 Recurring Costs ($) Non-recurring Costs $0 Non-recurring Costs ($) Total Replacement Costs Over 40 Years 4,703,889.25$ $70,551 $2,028,522 $6,802,963 Replacement Costs ($)

$30,214,062 Present Value (40 years)

NG SHW Alt 3 SW-HX-A1

BASELINE

(RF-IEAD-B)

Insulation Entirely Above

Deck, 2.5" polyiso above metal deck

BASELINE

(WL-SF-B)

Stucco, 0.625" GPB, steel stud framing (0.043" for 18 gauge or

0.054" for 16 gauge) @ 3.5" cavity and 16" on-center, 3.5" batt insulation, 0.625" GPB

BASELINE

(FA-AS-B)

Aluminum storefront 1", tinted/tempered low-e, double pane, U-0.45 (COG) (U-0.57

Assembly), SHGC-0.25, VT-0.275

BASELINE

(OD-IS-B)

Uninsulated single layer metal door

BASELINE

(LT-LD-B)

LED, 1.00 W/sf (Admin)

0.80 W/sf (Hangar)

ALTERNATIVE 1

(SW-HX-A1)

Service hot water, (2x) water-to-water combined heat exchangers/storage tanks, 60 gallons each (Cemline, model

V60SPH150-DW)

ALTERNATIVE 1 - (HC-NG-A1)

ADMIN - Chiller (AC) and condensing boiler, hydronic VAVs, with DOAS heat recovery

HANGAR - MAU gas fired with plate heat recovery (full heating)

No PV System Total

Initial Cost ($) $2,972,136.56 $ 1,948,927.27 $ 2,199,305.25 $33,545 1,567,963.08$ $43,117 $4,768,611 $13,533,605 First Costs ($)

Electric Costs ($) $156,706 Annual Energy Costs ($)

Electric consumption (kWh) 2,097,911.11 Annual Energy Consumption (kWh)

Natural Gas Costs ($) $12,166 Annual NG Costs ($)

Natural Gas consumption (Therms) 29,925.81 Annual NG Consumption (Therms)

Recurring Costs ($/yr) 103,965.00$ $300 $75,225 $179,490 Recurring Costs ($)

Non-recurring Costs $0 Non-recurring Costs ($)

Total Replacement Costs Over 40 Years 4,703,889.25$ $43,117 $3,338,028 $8,085,034 Replacement Costs ($)

$31,512,943 Present Value (40 years)

BASELINE 90.1-2019

NG Base Case Proposed Design Option with NG Service Hot Water Alternate 3

90.1-2019 Baseline with NG Service Hot Water Alternate 2

90.1-2019 Baseline with NG Service Hot Water Alternate 1

LIFE CYCLE COST ANALYSIS

HVAC NG Alt 1 HC-NG-A1

BASELINE

(RF-IEAD-B)

Insulation Entirely Above

Deck, 2.5" polyiso above metal deck

BASELINE

(WL-SF-B)

Stucco, 0.625" GPB, steel stud framing (0.043" for 18 gauge or

0.054" for 16 gauge) @ 3.5" cavity and 16" on-center, 3.5" batt insulation, 0.625" GPB

BASELINE

(FA-AS-B)

Aluminum storefront 1", tinted/tempered low-e, double pane, U-0.45 (COG) (U-0.57

Assembly), SHGC-0.25, VT-0.275

BASELINE

(OD-IS-B)

Uninsulated single layer metal door

BASELINE

(LT-LD-B)

LED, 1.00 W/sf (Admin)

0.80 W/sf (Hangar)

BASELINE

(SW-AS-B)

Service hot water, electric resistance storage water heater, 2x210 gallons

ALTERNATIVE 1 - (HC-NG-A1)

ADMIN - Chiller (AC) and condensing boiler, hydronic VAVs, with DOAS heat recovery

HANGAR - MAU gas fired with plate heat recovery (full heating)

No PV System Total

Initial Cost ($) $2,972,136.56 $ 1,948,927.27 $ 2,199,305.25 $33,545 1,567,963.08$ $30,211 $4,768,611 $13,520,699 First Costs ($)

Electric Costs ($) $163,889 Annual Energy Costs ($)

Electric consumption (kWh) 2,194,080.56 Annual Energy Consumption (kWh)

Natural Gas Costs ($) $10,861 Annual NG Costs ($)

Natural Gas consumption (Therms) 26,715.84 Annual NG Consumption (Therms)

Recurring Costs ($/yr) 103,965.00$ $300 $75,225 $179,490 Recurring Costs ($)

Non-recurring Costs $0 Non-recurring Costs ($)

Total Replacement Costs Over 40 Years 4,703,889.25$ $60,422 $3,338,028 $8,102,339 Replacement Costs ($)

$31,636,899 Present Value (40 years)

HVAC NG Alt 2 HC-NG-A2

BASELINE

(RF-IEAD-B)

Insulation Entirely Above

Deck, 2.5" polyiso above metal deck

BASELINE

(WL-SF-B)

Stucco, 0.625" GPB, steel stud framing (0.043" for 18 gauge or

0.054" for 16 gauge) @ 3.5" cavity and 16" on-center, 3.5" batt insulation, 0.625" GPB

BASELINE

(FA-AS-B)

Aluminum storefront 1", tinted/tempered low-e, double pane, U-0.45 (COG) (U-0.57

Assembly), SHGC-0.25, VT-0.275

BASELINE

(OD-IS-B)

Uninsulated single layer metal door

BASELINE

(LT-LD-B)

LED, 1.00 W/sf (Admin)

0.80 W/sf (Hangar)

BASELINE

(SW-AS-B)

Service hot water, electric resistance storage water heater, 2x210 gallons

ALTERNATIVE 2 - (HC-NG-A2)

ADMIN - Chiller (AC) and condensing boiler, hydronic VAVs, with DOAS heat recovery

HANGAR - Natural gas IR overhead, MAU gas fired with plate heat recovery (tempering only, heating by IR)

No PV System Total

Initial Cost ($) $2,972,136.56 $ 1,948,927.27 $ 2,199,305.25 $33,545 1,567,963.08$ $30,211 $4,349,182 $13,101,270 First Costs ($)

Electric Costs ($) $157,251 Annual Energy Costs ($)

Electric consumption (kWh) 2,105,208.33 Annual Energy Consumption (kWh)

Natural Gas Costs ($) $9,806 Annual NG Costs ($)

Natural Gas consumption (Therms) 24,120.05 Annual NG Consumption (Therms)

Recurring Costs ($/yr) 103,965.00$ $300 $111,225 $215,490 Recurring Costs ($)

Non-recurring Costs $0 Non-recurring Costs ($)

Total Replacement Costs Over 40 Years 4,703,889.25$ $60,422 $3,044,427 $7,808,739 Replacement Costs ($)

$32,201,730 Present Value (40 years)

HVAC NG Alt 3 HC-NG-A3

BASELINE

(RF-IEAD-B)

Insulation Entirely Above

Deck, 2.5" polyiso above metal deck

BASELINE

(WL-SF-B)

Stucco, 0.625" GPB, steel stud framing (0.043" for 18 gauge or

0.054" for 16 gauge) @ 3.5" cavity and 16" on-center, 3.5" batt insulation, 0.625" GPB

BASELINE

(FA-AS-B)

Aluminum storefront 1", tinted/tempered low-e, double pane, U-0.45 (COG) (U-0.57

Assembly), SHGC-0.25, VT-0.275

BASELINE

(OD-IS-B)

Uninsulated single layer metal door

BASELINE

(LT-LD-B)

LED, 1.00 W/sf (Admin)

0.80 W/sf (Hangar)

BASELINE

(SW-AS-B)

Service hot water, electric resistance storage water heater, 2x210 gallons

ALTERNATIVE 3 - (HC-NG-A3)

ADMIN - Chiller (AC) and condensing boiler, hydronic VAVs, with DOAS heat recovery

HANGAR - Infloor radiant hot water heating, MAU gas fired with plate heat recovery (tempering only, heating by infloor radiant)

No PV System Total

Initial Cost ($) $2,972,136.56 $ 1,948,927.27 $ 2,199,305.25 $33,545 1,567,963.08$ $30,211 $5,096,579 $13,848,667 First Costs ($)

Electric Costs ($) $157,520 Annual Energy Costs ($)

Electric consumption (kWh) 2,108,811.11 Annual Energy Consumption (kWh)

Natural Gas Costs ($) $21,082 Annual NG Costs ($)

Natural Gas consumption (Therms) 51,858.39 Annual NG Consumption (Therms)

Recurring Costs ($/yr) 103,965.00$ $300 $76,425 $180,690 Recurring Costs ($)

Non-recurring Costs $0 Non-recurring Costs ($)

Total Replacement Costs Over 40 Years 4,703,889.25$ $60,422 $3,567,605 $8,331,917 Replacement Costs ($)

$32,343,472 Present Value (40 years)

90.1-2019 Baseline with HVAC NG Option 3

90.1-2019 Baseline with HVAC NG Option 2

90.1-2019 Baseline with HVAC NG Option 1

HVAC NG Alt 4 HC-NG-A4

BASELINE

(RF-IEAD-B)

Insulation Entirely Above

Deck, 2.5" polyiso above metal deck

BASELINE

(WL-SF-B)

Stucco, 0.625" GPB, steel stud framing (0.043" for 18 gauge or

0.054" for 16 gauge) @ 3.5" cavity and 16" on-center, 3.5" batt insulation, 0.625" GPB

BASELINE

(FA-AS-B)

Aluminum storefront 1", tinted/tempered low-e, double pane, U-0.45 (COG) (U-0.57

Assembly), SHGC-0.25, VT-0.275

BASELINE

(OD-IS-B)

Uninsulated single layer metal door

BASELINE

(LT-LD-B)

LED, 1.00 W/sf (Admin)

0.80 W/sf (Hangar)

BASELINE

(SW-AS-B)

Service hot water, electric resistance storage water heater, 2x210 gallons

ALTERNATIVE 4 - (HC-NG-A4)

ADMIN - Chiller (AC) and condensing boiler, hydronic VAVs, with DOAS heat recovery

HANGAR - Natural gas unit heaters, MAU gas fired with plate heat recovery (tempering only, heating by unit heaters)

No PV System Total

Initial Cost ($) $2,972,136.56 $ 1,948,927.27 $ 2,199,305.25 $33,545 1,567,963.08$ $30,211 $3,666,185 $12,418,273 First Costs ($)

Electric Costs ($) $163,903 Annual Energy Costs ($)

Electric consumption (kWh) 2,194,266.67 Annual Energy Consumption (kWh)

Natural Gas Costs ($) $6,938 Annual NG Costs ($)

Natural Gas consumption (Therms) 17,065.07 Annual NG Consumption (Therms)

Recurring Costs ($/yr) 103,965.00$ $300 $96,825 $201,090 Recurring Costs ($)

Non-recurring Costs $0 Non-recurring Costs ($)

Total Replacement Costs Over 40 Years 4,703,889.25$ $60,422 $2,566,330 $7,330,641 Replacement Costs ($)

$30,537,444 Present Value (40 years)

Baseline with Photovoltaics PV-1

BASELINE

(RF-IEAD-B)

Insulation Entirely Above

Deck, 2.5" polyiso above metal deck

BASELINE

(WL-SF-B)

Stucco, 0.625" GPB, steel stud framing (0.043" for 18 gauge or

0.054" for 16 gauge) @ 3.5" cavity and 16" on-center, 3.5" batt insulation, 0.625" GPB

BASELINE

(FA-AS-B)

Aluminum storefront 1", tinted/tempered low-e, double pane, U-0.45 (COG) (U-0.57

Assembly), SHGC-0.25, VT-0.275

BASELINE

(OD-IS-B)

Uninsulated single layer metal door

BASELINE

(LT-LD-B)

LED, 1.00 W/sf (Admin)

0.80 W/sf (Hangar)

BASELINE

(SW-AS-B)

Service hot water, electric resistance storage water heater, 2x210 gallons

BASELINE - (HC-EL-B)

ADMIN - Packaged VAV with PFP Boxes, DX cooling, electric resistance

HANGAR - Heating and Ventilating Unit (HVU), electric resistance

ALTERNATE 1

PV-1

South Hangar Rooftop PV Array

5 degree tilt

180 degree azimuth

Premium efficiency (21%)

1,420 kWh/kW

34,893 sf PV array

420 kW-DC (300 kW Net Metering Cap)

594,575 kWh annual production

(20 year expected life)

Total

Initial Cost ($) $2,972,136.56 $ 1,948,927.27 $ 2,199,305.25 $33,545 1,567,963.08$ $30,211 $ 2,897,889.00 $1,046,787 $12,696,764 First Costs ($)

Electric Costs ($) $ (44,408.79) $275,361 Annual Energy Costs ($)

Electric Consumption (kWh) (594,575) 3,686,372.44 Annual Energy Consumption (kWh)

Recurring Costs ($/yr) 103,965.00$ $300 $ 47,100.00 $1,125 $152,490 Recurring Costs ($)

Non-recurring Costs $0 Non-recurring Costs ($)

Total Replacement Costs Over 40 Years $1,155,729.31 4,703,889.25$ $60,422 2,028,522.30$ $1,046,787 $8,995,350 Replacement Costs ($)

$31,918,000 Present Value (40 years)

90.1-2019 Baseline with Photovoltaic Alternate 1

90.1-2019 Baseline with HVAC NG Option 4

BASELINE 90.1-2019

NG SHW Alt 1 SW-GI-

A1 NG SHW Alt 2 SW-

GS-A1

NG SHW Alt 3 SW-

HX-A1

HVAC NG Alt 1 HC-

NG-A1

HVAC NG Alt 2 HC-

NG-A2

HVAC NG Alt 3 HC-

NG-A3

HVAC NG Alt 4 HC-

NG-A4

Baseline with

Photovoltaics PV-1

First Costs ($) $11,649,977 $11,641,949 $11,643,283 $13,533,605 $13,520,699 $13,101,270 $13,848,667 $12,418,273 $12,696,764

Present Value (40 years) $30,324,767 $30,227,762 $30,214,062 $31,512,943 $31,636,899 $32,201,730 $32,343,472 $30,537,444 $31,918,000

$0

$5,000,000

$10,000,000

$15,000,000

$20,000,000

$25,000,000

$30,000,000

$35,000,000

FIRST COST AND PRESENT VALUE (40 YEARS) OF DIFFERENT ALTERNATES

LIFE CYCLE COST ANALYSIS

First Costs ($) Present Value (40 years)