Attach 30 CUP Elec One-Lines Amend 003.pdf
PDF 854 KB Posted
- Solicitation number
- 1333ND21RNB190002
About this file
This document contains engineering drawings and specifications for upgrades to the cooling tower and associated electrical systems at the National Institute of Standards and Technology Building 42 Central Utility Plant. The contractor shall provide all labor, materials and equipment to renovate the cooling towers and upgrade the electrical distribution panels and transformers in accordance with solicitation 1333ND21RNB190002. Work includes replacing the existing cooling towers, upgrading the 480V MCC and associated motor controls, installing new 15kVA transformers, and modifying the 208V/120V distribution panels to support the upgraded systems. The solicitation was initially posted as 1333ND20RNB190037 and seeks to improve the reliability and efficiency of the cooling infrastructure supporting Building 42 at the Department of Commerce NIST campus.
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Text version
PANELBOARD NO: LC4
SECTION: ONE VOLTAGE: 120/208
MOUNTING: MCC C4, POSITION 4B PHASE: 3 MAIN BREAKER 50A
LINE TO LINE VOLTAGE: 208 WIRE: 4
TYPE: LIGHTING AND APPLIANCE
TRANSFORMER KVA: 15
LOAD CIRCUIT CIRCUIT LOAD
CKT DESCRIPTION (VA) BREAKER BREAKER (VA) DESCRIPTION CKT
NO. LTS REC M/A MISC AMPS POLES AMPS POLES LTS REC M/A MISC NO
1 Chilled Wtr Ctrl Valve, FV-024 50 20 1 A 20 1 50 Filter Drain Valve FLT-049 2
3 Condenser Wtr Ctrl Valve, FV-024A 50 20 1 B 20 1 50 Filter Drain Valve FLT-050 4
5 Cooling Fan 1, CUP-4 XFMR 75 20 2 C 1 Space 6
7 75 X A 1 Space 8
9 Cooling Fan 2, CUP-4 XFMR 75 20 2 B 1 Space 10
11 75 X C 1 Space 12
13 Spare 20 1 A 1 Space 14
15 Spare 20 1 B 1 Space 16
17 Spare 20 1 C 1 Space 18
MOTOR CONTROL CENTER SCHEDULE
NAME MCC C4 LOCATION
TYPE FUSE VOLTS 480 SHORT CIRCUIT: 65 kA
CURRENT 800 A PHASE 3
MAIN MLO WIRE 3
CKT NAME PLATE HP FLA STARTER CONTROLS O/C PROTECTION CONDUCTORS CONDUIT NOTES
NO SIZE PB HOA PL AMPS POLES PHASE NEUT GRD (mm)
1A INCOMING LINE
1B HOIST 5 7.6 20 3 #12 NONE #12 21
1C PMP-014 (VFD-014) 125 156 250 3 3 #3/0 NONE #4 53
2A CT-044A (VFD-044A) 50 65 100 3 3 #2 NONE #8 41
2B CT-044B (VFD-044B) 50 65 100 3 3 #2 NONE #8 41
2C PMP-033 (VFD-033) 250 300 375 3 3 #500 NONE # 3 91
3A SF-113 (AHU-113) 5 7.6 1 X X 20 3 3 #12 NONE #12 21
3B SPACE
4A SPACE
4B DISTRIBUTION PANEL 208Y/120, 3PH, 4W
DPL-C4 50A MCB, 100A, 18C
4C TRANSFORMER 4807/277:208Y/120
XFR-C4 15 kVA
CHILLER ROOM
| CUP Chiller 4 MCC |
| CUP Elec One-Lines 2013-9-18 |
File details come from the government source that posted it. Updated .