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M E M Q R A N D U M <br />H O C K E Y L I G H T I N G <br />DATE: October 25, 1977 <br />SUBJECT: Comparison of Quartz VS. Metal Halide Lighting <br />I. QUARTZ UTSLITY & INSTALLATION COSTS <br />. System Proposed at 14 Footcandles. � <br />. 16 Quartz 1500 WATT Lamps Needed. <br />. S�eai;3oe:.-.. .E La^ps x 150Q 4:*TTS = 2n �Ei2owatt uours <br />24 KWti x 5C KW Per Hour of Operation � <br />x Maximum 200 Hours of Operation Per Year <br />_ $240.00 Per Year Per Rink. <br />. Installation Cost Esti.mated at $3,340.OJ Total, <br />Light Fixtures and Bulbs Cost $39.49 each. . <br />II. METAL HALIDE UTILITY & INSTALLATION COSTS <br />. System Propose3 at 14 Footcandles. <br />. 8 Metal ilalide 1000 WA'CT Lamps Needed. <br />. Breakdown: 8 Lamps x ll40 WATTS (Includes Ballest) <br />= 9.12 Kilowatt flours. <br />9.12 Kh�H x SC KW Per fiour of Operation <br />x Maximum 200 ftour� of Operation Per Year <br />_ $91.20 Per Year Per Rink. <br />. Installation Cost Fstimated at $5,916.00 Total. <br />, Liqht Fixtures and Bulbs Cost $307.00 each. <br />III. SUMMARY <br />. ,'•;etal :al�de Sr.�t-2laticr. . . . _ _ . . - . $5,915.n0 <br />Quarts Instal.lation _ . . . . . . . . . . . $3,340.00 <br />Installation Differencc . . . . . . . . . . $7.,576.00 <br />Operation Cost Fer Year Qu�rtz . <br />Operation Cost Per Year t4etal klalide <br />Operation Difference . . . . . . . . <br />. . . $ 240.00 <br />. . . $ 92.00 <br />. . . S 148.00 <br />17.4 YI:AR^ F'OIt: Qunrt-.z Oporation Cost� to Over- <br />148 � 257G take P�7etal tlalide iniLial instal- <br />l�it.ion Co��ts. <br />IV. OTFl°R COPiI%ENTS <br />Qu��rtz Fixture and [SUIb . . . . . . $ 39.45 <br />Metal iL-�l.idc Pixturc antj Ru16 ...$307.00 <br />Tverage Li.fe quartz - 2,00p klour:: <br />Tvc•t:i�r:• I,i.f�• M1li•P:il Iinli�li� - 1(�,000 IIOU[:: <br />� <br />