Buffalo Wild Wings

out of water. Provide volume control shutoff valve, bimetal dial thermometer, brass pipe,
fittings, and unions mounted to exposed cabinet panel; bottom supplies; top outlet. ½”
bypass; minimum 1.0” gpm @ 10 psi drop and set at 40 gpm @ 10 psi drop; 120°F
discharge temperature. Other acceptable manufacturers: Lawler, Bradley.
PART 3. – EXECUTION
3.1 A. Slope water piping 1” per 40’ and arrange to drain at all low points.
B. All storm and sanitary piping sloped 1/8” per foot unless noted otherwise or if required to
meet inverts. Notify engineer of any changes.
C. All underground sewer pipe within 10 feet of buried water supply piping shall be
constructed in accordance with State and/or Local Code.
D. Provide all appropriate sanitary piping fittings, wyes and bends. No double-wye fittings for
sanitary drainage in horizontal position shall be used.
E. Vent pipes passing through roofs shall terminate at least 12” above the roof line.
F. Above grade plastic drain and vent piping horizontal and vertical runs cannot exceed 35
feet. Solvent welds shall be done with a contrasting primer to the color of the pipe and
cement. Plastic piping shall not be installed in air plenum spaces including parking
garage area.
G. Contractor shall provide all sleeves required through footings, foundation walls and floors.
Underground services shall be sleeved with schedule 40 PVC sleeving. Sleeve to be (1)
size larger than the pipe it serves. Extend sleeves 0-3” beyond penetration. Coordinate
with Structural Engineer.
H. Provide shut-off valves as required by Code and good installation practice for the proper
isolation of equipment. All branch take offs shall have isolation shut off valves. Provide
extended stem valves where required for insulation. Except as otherwise specified or
shown on plans, valves 2-1/2 inch and smaller shall have screwed end connections and
valves 3 inch and larger shall have flange end construction. Install manual drain valves at
every low point of each water piping system.
I. Mechanical formed tees connections as created by T-Drill or approved equal shall be
formed in a continuous operation consisting of drilling a pilot hole and drawing out the
surface to form a collar having a height of not less than three times the thickness of the
tube wall. Branch tube shall not obstruct the flow in the main line tube. All joints shall be
brazed in accordance with the Copper Development Association. Soft soldered joints will
not be permitted. Mechanical formed connections shall be listed by the International
Plumbing Code, B.O.C.A., l.A.M.P.O., S.B.C.C., ASME Code for Pressure Piping and
shall be acceptable to governing authorities.
J. All threaded nozzle fixtures to have atmospheric vacuum breakers.
K. Installation of cross connection control devices and related valves shall maintain 1 ‘-6”
clear from wall or other obstructions, no more than 5’-O” above floor or closer than 2’-O”
from floor.
06/25/09 PIPING MATERIALS AND METHODS
15150-4