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<br /> New Sheet E-12 - Third Floor Mechanical Room Plan - ELECT:
<br /> 1 . : Due to the proposed enlarged size of new AHU-1 of which
<br /> will encroach upon the NEC required front working
<br /> clearance. Remove the existing motor control center
<br /> i �'EMCCA" in its entirety. Remove the 100 amp enclosed
<br /> ; circuit breaker and feeder for panel "EQO" currently
<br /> tapped to the "EMCCA" bus . Remove the free-standing
<br /> I comb. starter "AHU-2 " , as shown on new drawing E-12 ,
<br /> dated October 19 , 1998 , Delta No. 3 .
<br /> 2 . Install new 400 amp, 120/208V. , 3-phase, MLO,
<br /> distribution panel "EQ3 " . This panel shall be served by � �
<br /> splicing into the existing 350 amp feeder now serving � ,
<br /> the motor control center "EMCCA" being removed, as
<br /> i shown on new drawing E-12 , dated October 19 , 1998,
<br /> Delta No. 3 .
<br /> " � 3 . Install new 400 amp, 277/480V. , 3-phase, MLO,
<br /> distribution panel, "3HE1" . This panel shall be served
<br /> �i by installing a new 225 amp, (4-wire plus ground)
<br /> � feeder circuit to the existing 600 amp, distribution
<br /> � panel "1HE1" located in the existing, main, emergency,
<br /> electrical room. Install a �new 225/3 -pole, type "KA" ,
<br /> 600V. , Square-D circuit breaker in existing dist . panel
<br /> "1HE1" , as shown on new drawing E-12, dated October 19 ,
<br /> 1998 , Delta No. 3 . �
<br /> 4 . Relocate the existing AHU-2, free-standing, combination
<br />, _ motor starter and its associated motor feeder. Serve
<br />� � starter from new panel "EQ3 " , 200/3-pole CB, as shown
<br />' ' on new drawing E-12 , dated October 19 , 1998, Delta No.
<br /> � 3 .
<br /> 5 . � Relocate the 20 amp, 3-phase, branch circuit for ,
<br /> ; the existing control air compressor to new panel
<br /> i "EQ3 " , 20/3-pole CB, as shown on new drawing E-12,
<br /> dated October 19 , 1998, Delta No. 3 .
<br /> 6 . Relocate the 100 amp, 3-phase, feeder circuit for
<br /> existing panel "EQO" to new panel "EQ3 " , 60/3-pole CB,
<br /> as shown on new drawing E-12, dated October 19 , 1998,
<br /> i Delta No. 3 .
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<br /> 7 . Install a new 20 HP, 208V, 3-phase, comb. motor starter
<br /> and associated conductors and conduit for existing
<br /> "AHU-2" fan motor. Serve starter from new panel "EQ3 " ,
<br /> �, 200/3-pole CB, as shown on new drawing E-12, dated
<br /> � October 19 , 1998 , Delta No. 3 .
<br />' � DENDUM'N0. 3 Page 2 of 3 98104 . 00
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