Section 15120 PIPING SPECIALTIES

Section 15120

PIPING SPECIALTIES

PART 1 - GENERAL

1.1 THE REQUIREMENT

A. The CONTRACTOR shall furnish and install miscellaneous piping specialties, as shown and as specified herein, complete and operable including accessories in accordance with the requirements of the Contract Documents.

1.2 RELATED WORK SPECIFIED ELSEWHERE

A. The requirements of the following sections and divisions apply to the Work of this section. Other sections and divisions of the Specifications, not referenced below, shall also apply to the extent required for proper performance of this Work.

1. Section 15000, Piping, General

1.3 REFERENCE SPECIFICATIONS, CODES, AND STANDARDS

A. All Work specified herein shall conform to or exceed the applicable requirements of the referenced portions of the following publications to the extent that the provisions thereof are not in conflict with other provisions of these Specifications.

B. Comply with the applicable editions of the following codes, regulations and standards.

1. Standards:

ANSI American National Standards Institute

AWWA American Water Works Association

C. Comply with the applicable reference Specifications as directed in the General

Requirements and Additional General Requirements.

1.4 CONTRACTOR SUBMITTALS

A. Submittals shall be made in accordance with the General Requirements, Additional

General Requirements and as specified herein.

B. Submittals shall be made in accordance with Section 15000, Piping, General.

1.5 QUALITY ASSURANCE A. General:

1. All piping specialties shall be tested in accordance with manufacturer's recommendation and applicable AWWA/ANSI specifications.

PART 2 - PRODUCTS

2.1 AIR AND GAS TRAPS

A. Air and gas pipes shall be installed with continuous slope towards the low points. Drip legs shall be provided with shutoff valves, strainers, and traps. The traps shall be piped to the nearest drain. Air and gas traps shall be not less than 150-pound iron body float type with copper or stainless steel float suitable for the service. Bracket, lever, and pins shall be of stainless steel. Drain traps shall have threaded connections.

B. Manufacturers, Or Equal:

1. Armstrong Machine Works.

2. Spirax Sarco, Inc.

2.2 STEAM TRAPS

A. Steam traps shall be installed in all low points of steam piping, at minimum 300-foot intervals in mains, at steam appliances, heat exchangers, heaters, and control valves, and where shown. Steam traps shall be preceded by drip legs, globe valves, and strainers, and shall be connected to the condensate system. Steam traps shall be of the float and thermostatic type, the bucket type, or the disc type, as best suited for the service, with cast iron or steel body, stainless steel or monel trim, and screwed connections, with minimum rating of 150 psig.

B. Manufacturers, Or Equal:

1. Yarway.

2. Armstrong Machine Works.

2.3 THERMOMETERS

A. Thermometers shall be 9-inch nominal size with adjustable angle from temperature well. Thermometers shall have Type 316 stainless steel separable sockets. Separable sockets shall have extension necks on all insulated pipes and where indicated on the Contract Documents. Thermometers shall have range as indicated on the Contract Documents. The piping shall be drilled and tapped for the thermometers as indicated generally on the Contract Documents, but the thermometers shall be field located for best readability. Location of thermometers shall be subject to the ENGINEER’s acceptance.

B. Manufacturers, Or Equal:

1. H. O. Trerice Company, BX9 Series.

2. Manning, Maxwell & Moore, Inc.

3. American Industrial Glass Thermometers.

2.4 STRAINERS

A. Strainers shall be of the Y-pattern type with flush connections, have cast iron or bronze bodies, Type 316 stainless steel screens with 1/32 inch perforation.

B. Strainers shall have screwed ends for 3-inch and smaller sizes, and flanged ends for sizes greater than 3 inches.

C. Strainers shall be designed for not less than 250 pounds per inch working pressure in

3-inch and smaller sizes, and 125 pounds per inch working pressure in sizes over 3 inches.

D. Manufacturers, Or Equal:

1. Armstrong Machine Works.

2. Fisher Controls Company Type 260C.

PART 3 - EXECUTION

3.1 INSTALLATION

A. Piping Specialties shall be installed where indicated on the Contract Documents and as specified herein.

B. Unless otherwise shown, strainers shall be provided ahead of any control valves, regulators, steam and condensate traps, and where shown. They shall be preceded by shutoff valves.

C. Strainers shall have a blowoff valve installed with piping to drain.

D. All field testing shall be witnessed by the ENGINEER and be subject to ENGINEER’s acceptance.

3.2 IDENTIFICATION

A. Piping specialties shall be designated with a mark number and indicated in the P&IDs and on drawings.