Revised Specifications - the Public Building Commission of Chicago
Revised Specifications - the Public Building Commission of Chicago
Revised Specifications - the Public Building Commission of Chicago
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PEL Standard Specification_Rev 6/8/2010<br />
Project Rev A_07/02/10<br />
2. Refrigerant piping indicated on Drawings is schematic only. Size piping and<br />
design actual piping layout, including oil traps, double risers, specialties, and<br />
pipe and tube sizes to accommodate, as a minimum, equipment provided,<br />
elevation difference between compressor and evaporator, and length <strong>of</strong> piping to<br />
ensure proper operation and compliance with warranties <strong>of</strong> connected equipment.<br />
C. Record Drawings: Show corrected layout (fabrication drawings) <strong>of</strong> actual refrigerant<br />
piping and specialties installation, including pipe, tube, and fitting sizes, flow capacities,<br />
valve arrangements and locations, slopes <strong>of</strong> horizontal runs, oil traps, double risers, wall<br />
and floor penetrations, and equipment connection details. Show interface and spatial<br />
relationships between piping and equipment. Record drawings shall be created in<br />
AutoCAD latest edition. Copies <strong>of</strong> design drawings are not acceptable. Provide both<br />
paper copy and electronic AutoCAD files.<br />
1. Shop Drawing Scale: 1/4 inch equals 1 foot (1:50).<br />
D. Field quality-control test reports.<br />
1. Submit written reports documenting <strong>the</strong> activities required to be performed in<br />
Part 3. These reports are to be submitted two weeks after <strong>the</strong> startup is<br />
completed.<br />
E. Operation and Maintenance Data: For refrigerant valves and piping specialties to include<br />
in maintenance manuals.<br />
1.5 QUALITY ASSURANCE<br />
A. Comply with ASHRAE 15, "Safety Code for Refrigeration Systems."<br />
B. Comply with ASME B31.5, "Refrigeration Piping and Heat Transfer Components."<br />
1.6 DELIVERY STORAGE AND HANDLING<br />
A. Store piping in a clean and protected area with end caps in place to ensure that piping<br />
interior and exterior are clean when installed.<br />
1.7 COORDINATION<br />
A. Coordinate size and location <strong>of</strong> ro<strong>of</strong> curbs, equipment supports, and ro<strong>of</strong> penetrations.<br />
These items are specified in Division 7.<br />
1.8 PERFORMANCE REQUIREMENTS<br />
A. Line Test Pressure for Refrigerant R-407C:<br />
1. Suction Lines for Air-Conditioning Applications: 230 psig.<br />
2. Suction Lines for Heat-Pump Applications: 380 psig.<br />
3. Hot-Gas and Liquid Lines: 380 psig.<br />
CHICAGO POLICE DEPARTMENT<br />
12 TH DISTRICT POLICE STATION 15183-2 REFRIGERANT PIPING<br />
PBC-PROJECT# 09070
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