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Appendix B

Characteristics of a Typical Florida School*

Elementary Middle High Vocational Other+
Gym 5% 76% 93% 3% <1%
Auditorium 18% 33% 77% 15% 12%
Media Center 97% 97% 97% 85% 64%
Cafeteria

main

satellite

98%

83%

14%

99%

87%

10%

96%

89%

9%

73%

56%

21%

80%

32%

8%

Athletic facilities with showers 4% 92% 95% 21% 4%
Swimming pool

heated

1%

1%

3%

<1%

18%

10%

<1%

<1%

12%

12%

* Percentages based on 755 elementary, 234 middle, 181 high, 34 vocational, and 25 "other" schools.
+Other refers to special education centers, exceptional student centers, university lab schools, etc.


Yearly Schedule for Public Schools in Florida

Elementary Middle High Vocational Other
Year around school 9% 3% 3% 65% 24%
Closed summers 37% 32% 18% 15% 16%
Special summer school 49% 63% 82% 41% 36%
Night school 11% 22% 64% 85% 36%
Administrative offices

open year round

81% 91% 98% 94% 80%


Air Conditioner Operation During Non-School Hours

Elementary Middle High Vocational Other
Non-school hours 44% 41% 55% 38% 28%
Non-school days 39% 41% 50% 35% 36%
Summer break and

holidays

41% 41% 46% 21% 24%
Areas conditioned

most buildings

library/media

gym

admin. offices

cafeteria

31%

50%

2%

39%

26%

37%

53%

17%

54%

28%

46%

61%

30%

59%

30%

38%

83%

<1%

38%

21%

28%

32%

4%

24%

8%



Interior Temperature Controls

Elementary Middle High Vocational Other
Individual Manual thermostats 68% 64% 62% 73% 84%
Central thermostats 37% 41% 50% 38% 36%
Locked thermostats 32% 43% 54% 41% 28%
Clock thermostats 18% 17% 17% 29% 12%
Energy Management Systems 48% 56% 63% 47% 24%
Direct digital control 12% 15% 25% 23% 16%


Ventilation, HVAC Problems and Energy Awareness

Elementary Middle High Vocational Other
Windows open for ventilation 55% 48% 47% 21% 44%
Problems with excess humidity 52% 55% 62% 56% 36%
Complaints of poor indoor air

quality

57% 60% 72% 59% 32%
Complaints regarding indoor temperatures 65% 71% 86% 62% 56%
Thermostats changed in the last year due to comfort complaints 61% 61% 78% 62% 52%
Energy Awareness Program

at school

at district

63%

68%

56%

65%

58%

64%

56%

65%

68%

80%


Average Building Characteristics

Elementary Middle High Vocational Other
Insulated roof or ceiling 60% 67% 72% 65% 64%
Gravel over built up roof 49% 53% 56% 65% 44%
Single ply membrane 21% 23% 31% 29% 16%
Color

light

medium

dark

34%

22%

7%

35%

24%

35%

38%

25%

8%

38%

18%

6%

16%

56%

4%

Modified bitumen 18% 24% 24% 26% 8%
Asphalt shingles 19% 17% 18% 23% 36%
Insulated walls 30% 32% 37% 29% 24%
Windows in classrooms 84% 84% 75% 65% 84%
No windows in classrooms 19% 26% 35% 32% 4%
Tinted or solar control glass 25% 31% 31% 26% 28%
Skylights 14% 17% 27% 21% 12%


Lighting Systems Characteristics in Florida Public Schools

Elementary Middle High Vocational Other
Standard fixture 80% 84% 88% 91% 84%
Fixtures with electronic ballasts 43% 45% 48% 23% 24%
Automatic scheduling 44% 53% 58% 47% 32%
Exit lighting

incandescent

fluorescent

50%

35%

55%

45%

57%

52%

62%

50%

28%

24%

Occupancy sensors 19% 27% 25% 15% 20%
Outdoor security lighting 82% 88% 89% 94% 80%
Motion sensor control of outdoor lights 9% 12% 13% <1% 4%
Parking lot lighting 69% 82% 87% 82% 40%
Athletic field lighting 5% 16% 81% 3% 8%


Controls and Miscellaneous Information for Florida Public Schools

Elementary Middle High Vocational Other
Fully manual controls 37% 31% 45% 41% 52%
Clock controls 39% 48% 50% 62% 32%
Operating clock controls 34% 43% 45% 41% 28%
EMS 40% 51% 51% 44% 12%
Operating EMS 36% 46% 47% 44% 16%
Ceiling fans in classrooms 15% 8% 8% 12% 12%
Computer labs 42% 55% 56% 53% 28%


HVAC Information for Florida Schools

Elementary Middle High Vocational Other
Age of HVAC 10.5 10.8 11.3 14.9 11.5
Central Chillers

centrifugal

reciprocating

screw

do not know

6%

16%

5%

21%

17%

14%

8%

26%

26%

21%

13%

24%

26%

18%

3%

24%

4%

12%

4%

20%

Packaged or split system 41% 45% 57% 44% 28%
Roof-top units 33% 45% 52% 53% 12%
Heat pumps 29% 31% 34% 23% 16%
Water loop heat pumps 11% 21% 18% 18% 8%
Window or wall units 52% 51% 54% 53% 48%
Strip electric resistance heat 40% 42% 50% 44% 40%
Heat pump heat 21% 20% 26% 15% 16%
Furnace heating 9% 10% 9% 9% 8%
Boiler heating 35% 55% 52% 50% 8%
Cooling tower 20% 45% 56% 53% 20%
Variable frequency drives 4% 12% 15% 9% 4%
Constant volume air distribution 19% 27% 39% 30% 20%
Variable air volume system 14% 26% 34% 26% 12%
Fan coil system 27% 37% 26% 53% 24%
Ceiling return plenum 26% 35% 52% 56% 28%
Dehumidification heat pipes 4% 33% 8% 6% <1%
Enthalpy wheel 1% 1% <1% 3% <1%
CO2 sensors 4% 6% 8% 6% 4%
Gas absorption cooling 1% 1% 1% <1% <1%
Low temperature air system 2% 3% 7% 6% 12%
CFM per student 7.9 8.4 8.2 5 5


Heating Fuel Characteristics

Elementary Middle High Vocational Other
Primary heating fuel

electric

natural gas

oil

propane

none

56%

12%

7%

6%

--

46%

17%

9%

4%

<1%

50%

15%

8%

5%

--

47%

18%

6%

6%

3%

52%

4%

<1%

<1%

--

Primary water heating fuel

electric

natural gas

oil

propane

none

43%

22%

5%

12%

1%

30%

30%

8%

13%

1%

28%

30%

8%

--

1%

44%

4%

3%

--

--

68%

8%

<1%

--

--


School Characteristics

Elementary Middle High Vocational Other
Gross floor area 65,985 112,689 200,234 149,998 41,871
Conditioned floor area 59,908 97,385 175,248 105,104 37,074
Number of portables 10 11 12 11 6
Floor area of all portables 7,963 8,793 9,575 8,098 5,459
Meals

# prepared

# served

691

669

870 819 899

850

305

273

295

254

Number of refrigerators/freezers 5 6 8 10 6
Maximum number of students 769 1116 1688 2156 352
Average number of faculty 48 62 93 75 25
Number of staff 23 24 35 44 22
Number of days per year w/ students 184 186 188 217 195
Avg. no. students in summer school 168 326 589 458 121
Number of non-school days w/ faculty 17 22 22 12 13


Typical Daily Schedule During the School Year

Elementary Middle High Vocational Other
Maintenance staff arrives 6:35 6:55 6:20 6:15 6:30
Faculty staff arrives 7:35 7:50 7:10 7:20 7:30
Students arrive 8:05 8:30 7:30 7:55 8:10
Students depart 14:40 15:15 14:25 15:40 14:20
Faculty departs 15:15 15:25 15:00 16:00 14:40
Night school staff arrives 15:15 15:30 15:30 17:05 16:55
Night school students arrive 17:15 17:20 17:10 17:50 17:55
Night school students depart 20:20 21:00 21:10 -- 20:50
Night school staff departs 20:50 21:20 21:30 -- 20:55
Maintenance staff departs 21:00 21:20 21:30 20:00 21:45
Administrative offices

dates open

dates closed

time open

time closed

July

June

7:30

16:05

July

June

7:30

16:35

7:00

17:00

7:10

20:00

7:40

16:15

Cooling temperatures (oF)

in use

non-occupied

74.7

77.8

74.7

77.7

74.9

77.2

75.3

79.3

75.1

78.7

Heating temperatures (oF)

in use

non-occupied

71.6

70.1

71.5

68.7

72.7

70.1

70.4

63.9

69.1

66.1


Average Monthly Demand for Florida Public Schools (kW)

Elementary Middle High Vocational Other
January 309.6 511.3 838.9 670.7 436.0
February 311.8 521.2 855.1 670.9 397.0
March 309.8 525.9 850.2 669.1 284.5
April 317.4 538.7 875.6 635.1 292.2
May 346.3 585.0 948.2 669.7 294.0
June 336.7 572.5 881.9 651.8 347.8
July 293.7 492.3 743.5 626.3 417.6
August 309.0 522.3 830.3 627.6 398.7
September 348.4 591.9 928.7 726.4 423.2
October 348.8 601.2 937.9 775.2 370.4
November 330.9 567.3 906.0 690.1 387.7
December 322.7 549.5 862.1 677.9 360.3


Averages of Other Energy Use

Elementary Middle High Vocational Other
Gallons oil 1,913 1,711 2,408 -- --
Oil dollars $1,149 $1,199 $1,617 -- --
Propane gallons 3,066 3,207 5,916 2740 --
Propane dollars $1,995 $3,222 $3,826 $1,665 --


Average Natural Gas Therms

Elementary Middle High Vocational
January 774.9 1,300.4 1,965.6 1,616.5
February 720.7 1,279.9 1,967.9 1,553.9
March 577.0 1,047.5 1,073.4 1,101.1
April 339.5 631.5 1,148 848.5
May 289.5 456.0 755.3 1,031.6
June 249.3 404.2 622.6 900.2
July 148.1 215.1 423.5 771.3
August 168.1 252.7 427.8 681.9
September 277.0 380.1 579.9 553.1
October 325.1 448.2 1,152.5 898.8
November 539.4 634.3 1,079.5 1,158.1
December 631.8 986.9 1,364.3 826.3


Average Natural Gas Dollars

Elementary Middle High Vocational
January 1,640.46 730.68 1,137.18 727.48
February 400.50 740.11 1,128.58 695.44
March 306.81 616.72 692.69 592.51
April 199.28 407.54 698.2 529.02
May 168.56 277.82 529.93 669.39
June 150.19 201.88 430.85 552.46
July 95.34 126.52 386.92 407.24
August 97.80 135.87 273.66 344.20
September 146.53 805.47 512.75 291.60
October 171.09 233.83 481.66 449.06
November 286.05 358.59 641.21 541.28
December 349.54 558.04 712.85 360.57


Average kWh Per Month by School Type

Elementary Middle High Vocational Other
January 59,422 111,245 215,097 214,550 64,780
February 62,273 120,237 228,414 207,048 71,323
March 64,834 124,203 232,555 223,704 51,081
April 67,959 127,474 236,080 216,635 53,035
May 82,648 157,206 289,243 251,119 66,934
June 82,460 152,830 275,430 253,275 77,762
July 70,708 138,975 236,080 247,654 85,424
August 75,845 145,354 268,471 232,963 74,561
September 91,900 172,139 305,121 276,278 88,715
October 87,511 172,446 302,204 297,761 80,590
November 77,917 150,699 276,636 255,101 79,764
December 66,249 129,815 234,541 220,421 80,188


Average kW Dollars Per Month by School

Elementary Middle High Vocational Other
January 4,538.64 8,275.58 14,794.61 13,480.59 5,166.24
February 4,822.34 8,525.37 15,579.90 13,175.50 5,453.87
March 4,862.82 8,586.58 15,584.81 14,089.79 3,657.23
April 5,034.16 8,979.02 16,189.90 13,822.31 3,804.48
May 5,945.30 10,589.56 18,557.67 15,146.54 4,379.15
June 5,680.02 10,023.45 17,368.69 14,974.00 5,312.70
July 4,896.16 8,688.03 14,682.72 14,224.85 5,917.63
August 5,225.32 9,385.82 16,213.94 14,135.31 5,358.85
September 6,223.66 10,765.57 18,775.21 16,300.64 6,174.41
October 6,120.27 11,182.48 19,151.96 17,812.17 5,567.64
November 5,617.12 10,110.88 17,757.17 15,546.18 5,424.98
December 5,021.38 8,828.13 15,649.48 14,049.87 5,398.98


School Characteristics in Areas and Energy Use

Elementary Middle High Vocational Other
Gross floor area 65,985 112,689 200,234 149,998 40,735
Conditioned floor area 58,589 97,385 185,248 105,104 37,074
Number of portables 9 11 12 11 5
Portable floor area 7,987 8,793 9,575 8,098 5,095
Electric EUI 63.6 68.2 73.0 93.9 94.0
Gas EUI 0.312 0.532 0.451 0.555 0.420
Oil EUI 5.2 E-2 0 3.5 E-2 0 5.9 E-3
Propane EUI 0.229 0.147 0.267 0.561 0
Total EUI 64.7 69.4 74.4 96.3 95.2
Total kWh 881,483 1,665,734 3,088,335 2,869,999 770,416
Total electric dollars 63,248 119,883 192,983 182,895 38,179
Total natural gas 4,986 8,764 12,271 11,357 5,545
Total natural gas dollars 175 370 545 783 103
Total dollars 64,002 121,333 195,016 186,074 38,959
Dollars per square foot 1.18 1.55 1.20 1.69 1.74

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