information on vendor product compliance.
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Provide computer controlled facility components, specified in this section,
that are Year 2000 compliant (Y2K). Computer controlled facility
components refers to software driven technology and embedded microchip
technology. This includes, but in not limited to, telecommunications
switches, programmable thermostats, HVAC controllers, elevator controllers,
utility monitoring and control systems, fire detection and suppression
systems, alarms, security systems, traffic signals, and other facilities
control systems utilizing microcomputer, minicomputer, or programmable
logic controllers.
2.2
PIPING
Conceal piping to the maximum extent possible. Piping shall be inspected,
tested and approved before being concealed. Provide fittings for changes
in direction of piping and for all connections. Make changes in piping
sizes through standard reducing pipe fittings; the use of bushings is not
permitted.
2.2.1
Pipe
ASTM A 53 or ASTM A 106, black or zinc-coated, threaded, Schedule 40.
2.2.2
Fittings
ASME B16.11 or ASME B16.3, Class 300, zinc-coated, threaded, except Class
150 or 300 for pipe 20 mm 3/4 inch or smaller.
2.2.3
Pipe Hangers and Supports
MSS SP-58 and MSS SP-69, adjustable type. Rods, hangers and supports shall
be zinc plated. Provide pipe hangers and supports as follows:
Nominal Pipe
Maximum
Size (mm)
Spacing (meters)
25 and under
2.00
32
2.50
40
2.75
50
3.00
65
3.25
80
3.75
90
4.00
100
4.25
125
4.50
150
5.00
Nominal Pipe
Maximum
Size (inches)
Spacing (feet)
1 and under
7
1.25
8
1.5
9
2
10
2.5
11
3
12
3.5
13
SECTION 13966N
Page 13
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