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TranSystems Corporation - LGM Construction

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501070099 Federal Express Oakland Sort Expansion Issued for Bid 10/11<br />

ST-2<br />

SIZE - 2-1/2 inch and larger.<br />

PRESSURE - 125 psig W.S.P., 175 psig W.O.G.<br />

CONNECTION - Flanged.<br />

MATERIAL - Iron.<br />

MISCELLANEOUS - Y-type.<br />

MFR. AND MODEL - Warren Webster Series 78, Crane 989-1/2, Metraflex Style M-1, Armstrong,<br />

Mueller Steam Specialties.<br />

2.8 BRANCH CONNECTIONS<br />

A. Branch connections shall be made with standard fittings of the type required for the service unless<br />

otherwise specified or detailed.<br />

2.9 PRESSURE GAUGES<br />

A. Pressure gauges shall have a range as required for specific application, normal operation in<br />

middle 2/3 of scale, not less than 4-1/2 inch dia. propylene liquid filled, cast aluminum case, 1<br />

percent accuracy and provided with gauge cock and pressure snubber. When connected to<br />

pumps for measurements of heads, gauges shall be calibrated in psig and feet water. Pressure<br />

gauges shall be liquid filled and provided with snubbers.<br />

B. Provide acrylic plastic window.<br />

C. Gauge shall be Trerice 450 Series or similar by Weksler or U.S. Gauge.<br />

2.10 THERMOMETER<br />

A. Thermometer shall be of the separable well, adjustable angle type with vertical scale, clear acrylic<br />

plastic window, red reading mercury tube, 9 inch cast aluminum case with polished stainless steel<br />

front, and white face with black scale markings. Brass stem 3/4 inch N.P.T., 3-1/2 inches long.<br />

Install thermometers in separate socket filled with non-solidifying heat conductive paste.<br />

Thermometers for ducts shall be of the same general design, but equipped with flange for duct<br />

insertion.<br />

Cold Water: 0 - 100 deg F Range.<br />

Hot Water: 30 - 240 deg F Range.<br />

B. Thermometer shall be Trerice type A-405 or similar by Taylor, Weksler, or U.S. Gauge.<br />

2.11 PIPE HANGERS AND SUPPORTS<br />

A. Provide and install pipe hangers and supports.<br />

B. Chain, perforated and flat steel strip hangers shall not be acceptable. Clevis type hangers shall be<br />

used with sway bracing provided to minimize vibration.<br />

BASIC MATERIALS AND METHODS 15050-7

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