internal sleeves, and external protective covers. Provide limit stops to
limit total movement in both directions. Cold set the joints to compensate
for temperature at time of installation. Joints shall withstand 10,000
cycles over a 20 year period. Joints shall be for minimum working pressure
of ASME Class 150. Provide single or double bellows expansion joint as
indicated. Provide first pipe alignment guide no more than four pipe
diameters from the expansion joint; provide second pipe alignment guide no
more than 14 pipe diameters from the first guide. Provide flanged or
buttwelding end connections as indicated.
]2.15
MISCELLANEOUS METAL
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NOTE: Include miscellaneous metals located in
trenches or valve manholes in Section 05500A
MISCELLANEOUS METAL or Section 05500N METAL
FABRICAIONS.
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Miscellaneous metal not otherwise specified, shall conform to Section [
05500A MISCELLANEOUS METAL] [05500N METAL FABRICATIONS]. Miscellaneous
metal bolted together, shop welded, or assembled in the field, and pipe
supports, including structural cross support members and anchors, shall be
hot-dip galvanized in accordance with Section [05500A MISCELLANEOUS METAL] [
05500N METAL FABRICATIONS].
PART 3
EXECUTION
3.1
SITE WORK
3.1.1
Excavation, Trenching, and Backfilling
Excavation, trenching, and backfilling of the valve manholes shall be as
shown and in accordance with Section 02300 EARTHWORK.
3.1.2
Electric Work
Any wiring required for the operation of the equipment specified, but not
shown on the electrical drawings, shall be provided under this section in
accordance with Sections [16370A ELECTRICAL DISTRIBUTION SYSTEM, AERIAL,
and Section 16375A ELECTRICAL DISTRIBUTION SYSTEM, UNDERGROUND] [16301N
OVERHEAD TRANSMISSION AND DISTRIBUTION and Section 16302N UNDERGROUND
TRANSMISSION AND DISTRIBUTION].
3.1.3
Painting
The heat affected zone of field welded galvanized surfaces and other
galvanized surfaces damaged during installation shall be cleaned in
compliance with SSPC SP 10, and painted in accordance with Section 09900
PAINTS AND COATINGS. Steel and iron appurtenances, piping, and supports
shall be cleaned in compliance with SSPC SP 10, and painted in accordance
with SSPC Paint 16, coal-tar epoxy-polyamide.
3.2
PIPING
3.2.1
General
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NOTE: Delete provisions in brackets and all other
SECTION 02560
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