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Operating Room Lighting Replacement<br />
maintained ready for surgery at all times. The operating rooms are constant volume, 100% outdoor air units with hot<br />
water reheat. The operating rooms at Petaluma pull a much lower percentage of the total air supplied by the air<br />
handler than Kaiser: 7%. The chiller plant consists of a 200 ton air cooled Trane reciprocating chiller and an 80 ton<br />
BAC ice chiller. These chillers are being utilized at a 42 degree supply temperature and a 16°F delta T.<br />
SURGICAL LIGHTS<br />
Each of the operating rooms contains two to three<br />
surgical lights, whose energy consumption is<br />
summarized in Table 1 (Petaluma is available in<br />
Appendix II). Pictures of these OR lighting fixtures may<br />
be seen in Appendix I. These Skytron halogen fixtures<br />
have a service life of 15 years and the majority will soon<br />
be in need of replacement. There is the possibility of<br />
early retirement if an adequate energy saving will justify<br />
it.<br />
Table 1: Kaiser OR Surgical Lights.<br />
Operating<br />
Room<br />
# of Luminaries<br />
per OR<br />
Watts for<br />
Light #1<br />
Watts for<br />
Light #2<br />
Figure 4: OR Surgical Light<br />
Watts for<br />
Light #3<br />
Total Lighting<br />
Watts per room<br />
1 3 200 200 320 720<br />
2 2 200 280 0 480<br />
3 3 200 200 320 720<br />
4 3 200 200 320 720<br />
5 3 200 200 560 960<br />
6 3 200 200 560 960<br />
7 3 200 200 560 960<br />
8 2 200 320 0 520<br />
9 3 200 200 320 720<br />
10 3 200 200 320 720<br />
11 2 200 320 0 520<br />
12 2 200 320 0 520<br />
Salas O’Brien Engineers | expect a difference | Project No. 09104<br />
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