substitution request - Alliance Construction Solutions

3.03 PIPE APPLICATIONS:
A. Use steel pipe with welded joints for 3/4 inch and larger.
B. Use Type L, drawn copper tubing with wrought copper fittings and brazed joints for 2 inch
and smaller, above ground, within building.
3.04 PIPE INSTALLATIONS:
A. General: Refer to Division 23 - "Basic Mechanical Materials and Methods" for basic piping
installation instructions.
B. Install supply, return, fill, and vent piping at a uniform grade of 1/4 inch in ten feet
downward in the direction of the storage tank.
C. Make changes in directions and branch connections using fittings.
D. Make reductions in pipe sizes using eccentric reducer fitting install with the level side down.
E. Install unions in pipes 2 inch and smaller, adjacent to each valve, at final connections
each piece of equipment, and elsewhere as indicated. Unions are not required on flanged
devices.
F. Install dielectric unions where piping of dissimilar metals are joined.
G. Install flanges on valves, apparatus, and equipment having 2-1/2 inch and larger
connections.
H. Install flexible connectors at inlet and discharge connections to pumps and other vibration
producing equipment.
I. Install strainers on the supply side of each control valve, pressure regulating valve, oil
burner connection, and elsewhere as indicated. Install 3/4 inch NPS nipple and ball valve
in blow down connection of strainers 2 inch and larger. Use same size nipple and valve
as blow-off connection of strainer.
J. Anchor piping to ensure proper direction of expansion and contraction. Install expansion
loops and joints as indicated on the Drawings and specified in Division-23 Section
"Expansion Compensation."
K. Install pipe sleeve seals at foundation and basement wall penetrations, as specified in
Division-23 Section: Basic Piping Materials and Methods."
L. Seal pipe penetrations of fire barriers using fire barrier penetration sealers specified in
Division-7 [079200] Section: "Joint Seallants."
M. Hanger, supports, and anchors are specified in Division-23 Section "SUPPORTS AND
ANCHORS." Conform to the table below for maximum spacing of supports:
1. Steel Pipe:
SIZE (NPS) SPACING IN FEET MIN. ROD SIZE-
INCHES
1/2 (horizontal) 5 3/8
Project No.: 10145
550 15 th Street Dual Brand Hotel
03/16/2012
23 1113 - 9 FACILITY FUEL-OIL PIPING