\* \* \* \* \* \* \* \* \* \*

READ AND **REMOVE THIS PAGE** BEFORE PLACING

THE SPECIFICATION SECTION IN THE CONTRACT

\* \* \* \* \* \* \* \* \* \*

[DIVISION 15: MECHANICAL]{.underline}

SECTION 15525 - STEAM AND STEAM CONDENSATE SPECIALTIES

USE: Furnishing and installing steam specialties and accessories.

**NOTES TO SPECIFIER:**

A. Options within paragraphs are identified by enclosure in brackets;
blank spaces enclosed by brackets \[\_\_\_\_\_\] provide for information
to be inserted, as appropriate, to individual projects.

B. **TO AVOID CONFLICTING REQUIREMENTS AND COSTLY MISTAKES,** the
specifier must edit (delete, substitute or add to the text). The
remaining paragraphs must be renumbered.

C. DELETE FOR FINAL COPY: Notes to the Specifier, located between lines
of asterisks; all \[brackets\], [underlining]{.underline}, **boldface**,
and *italics*, within the paragraphs; and this page. (Open Reveal Codes
\[alt F3\] to do this accurately.)

D. [To Edit "(Footer B)":]{.underline} (Corel 8). **ENTIRE FOOTER SHOULD
BE BOLDED.** Click in the footer and delete the "Project Name (ftr B)"
text and replace it with the **Name of the Project (upper and lower
case)**. Replace date with current MM/YY (WITHOUT BRACKETS).

E. The Guide Specifications are intended to be continuously reviewed and
revised. User's technical comments are appreciated. Also, other related
or similar specification that are written "from scratch" that could
benefit others, or other questions can be sent to NSTC A/E Group, ST
110, or call (303) 987-6868.

**REQUIRED DRAWINGS:**

**REQUIRED SPEC MODIFICATIONS:**

[GENERAL NOTES]{.underline}

A. Whenever entire articles, paragraphs, or subparagraphs are not
applicable, the articles, paragraphs, or subparagraphs should be
deleted; when necessary, reletter or renumber articles, paragraphs, or
subparagraphs.

B. THIS GUIDE IS NOT INTENDED AS A SUBSTITUTE FOR READING THE ENTIRE
SECTION.

[TECHNICAL NOTES]{.underline}

A. 1.1B: Select or add applicable specification sections. Do not list
specification sections from Division 15.

B. 1.2: Select or add applicable references.

C. 1.3B: Insert number of copies of the manufacturer\'s descriptive data
required. Normally 5 copies are required. Distribution after review is
normally 1 copy to the COR, 3 copies to the Contractor, and 1 copy to
the project file.

D. 1.3C: Insert number of copies of the manufacturer\'s installation
instructions required. Normally 5 copies are required. Distribution
after review is normally 1 copy to the COR, 3 copies to the Contractor,
and 1 copy to the project file.

E. 1.3D: Insert number of copies of the manufacturer\'s operating and
maintenance instructions required. Normally 5 copies are required.
Distribution after review is normally 1 copy to the COR, 3 copies to the
Contractor, and 1 copy to the project file.

F. 1.3E: Insert number of copies of shop drawings required. Normally 5
copies are required. Distribution after review is normally 1 copy to the
COR, 3 copies to the Contractor, and 1 copy to the project file.

G. 2.4C: Insert capacity of condensate meter.

H. 3.5A: Insert location of condensate meter.

I. 3.5B: Select word in brackets when applicable.

J. 4.1 and 4.2: When a \"lump sum\" Contract is used, delete the title
PART 4: MEASUREMENT AND PAYMENT, and both articles from this section.
Measurement and payment will be addressed in Part 4 of Section 01010
-Summary of Work.

**REVISIONS OF THIS SECTION:**

CSI format, editorial changes: 12/01

Metric:

Technical Update: 01/91

SECTION 15525

STEAM AND STEAM CONDENSATE SPECIALITIES

[PART 1: GENERAL]{.underline}

1.1 SUMMARY:

A. Section Includes: Furnishing and installing steam specialties and
accessories.

1.2 REFERENCES:

A. American National Standards Institute:

ANSI B16.15-85 Cast Bronze Threaded Fittings

B. American Society of Mechanical Engineers:

ASME PTC 39.1-80 Condensate Removal Devices for Steam Systems (R:1985)

C. American Society for Testing and Materials:

ASTM A 126-84 Gray Iron Castings for Valves, Flanges, and Pipe Fittings

ASTM B 61-86 Steam or Valve Bronze Castings

ASTM B 62-86 Composition Bronze or Ounce Metal Castings

D. Instrument Society of America:

ISA RP 75.06-81 Control Valve Manifold Designs, Recommended Practice

1.3 SUBMITTALS:

A. General: Submittals shall be according to Section 01300 - Submittals.

B. Manufacturer\'s Literature: Submit \[\_\_\_\_\] copies of the
manufacturer\'s descriptive data for the steam specialties and
accessories to be used on this project.

C. Installation Instructions: Submit \[\_\_\_\_\] copies of the
manufacturer\'s installation instructions for the steam specialties and
accessories to be used on this project.

D. Operating and Maintenance Instructions: Submit \[\_\_\_\_\] copies of
the manufacturer\'s operating and maintenance instructions for the steam
specialties and accessories to be used on this project.

E. Shop Drawings: Submit \[\_\_\_\_\] copies of shop drawings for the
steam specialties and accessories to be used on this project. \[Shop
drawings shall \[\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\].\] \[A bill of
materials shall be furnished with the shop drawings.\] Drawings shall be
\[same\] \[larger\] scale as the full size Contract Drawings.

[PART 2: PRODUCTS]{.underline}

2.1 FLOAT AND THERMOSTATIC STEAM TRAPS:

A. Modulation Type: Provide fully modulating type with semi-steel body
and cover, suitable for continuous operation.

B. Float: Stainless steel float, air vent, head seat, and valve
mechanism.

C. Drain: Provide to drain from heat exchanger.

D. Capacity: Size to handle a minimum of twice the maximum condensate
load of the heat exchanger.

2.2 STEAM PRESSURE REDUCING STATION:

A. Piping: Pressure reducing valves with valved by-pass, strainer, and
pressure gauge on upstream side, relief valve and pressure gauge on
downstream side.

B. Valves: Diaphragm operated, pressure reducing valves with bronze
bodies, balanced design, stainless steel trim, and pilot operator.

2.3 STEAM CONTROL VALVES:

A. Valve Body: Shall be according to ANSI B 16.15, Cast Brass, Class
250.

B. Spring Ranges: 3 to 6 or 7 to 13 psig.

C. Maximum Pressure Recommended: 35 psig saturated steam.

D. Actuator: Die cast aluminum, enamel finish.

E. Operation: Sequential operation, two valves in parallel. Refer to
drawings for piping diagrams.

2.4 CONDENSATE METER:

A. Casing: Fabricated steel case, 3/16\' welded 1010 steel plate, sealed
twice with a monolithic two-part epoxy coating.

B. Type: Gravity type, rotary, photo-electric switch counter.

C. Capacity: \[1500 lbs/hr,\] \[3\] GPM maximum capacity.

[PART 3: EXECUTION]{.underline}

3.1 INSTALLATION:

A. General: Install all accessories according to the manufacturer\'s
instructions.

3.2 STEAM TRAPS:

A. Connections: Install with union or flanged connections at both ends.

B. Valves: Provide gate valves and strainer at inlet, gate valve at
discharge.

C. Dirt Pocket: Provide minimum 10-inch long dirt pocket of same pipe
size as apparatus return connection.

D. Thermostatic Elements: Do not install thermostatic elements in traps
until system has been operated and dirt pockets cleared of sediment and
scale. Provide temporary covers for use prior to this time.

3.3 STEAM PRESSURE REDUCING STATION:

A. Pilot Operator: Connect pilot operator control line downstream far
enough to sense true pressure.

B. Relief Valves: Rate relief valves for the station upstream pressure.
Set valve to relieve at no more than 20 % above reduced pressure.

3.4 STEAM CONTROL VALVES:

A. Piping: Connect steam control valves as shown on the drawings.

B. Controls: Control piping will be pneumatic for sequential valve
operations, using a reset system.

3.5 CONDENSATE METER:

A. ab Location: Install condensate meter in \[valve pit\] as shown on
the drawings.

B. Piping: Connect \[new\] piping to condensate meter as shown on the
drawings.

[PART 4: MEASUREMENT AND PAYMENT]{.underline}

4.1 METHOD OF MEASUREMENT:

A. Units: The work described in this section will not be measured for
payment.

4.2 BASIS OF PAYMENT:

A. Payment: No direct payment for the work described under this section
will be made. The Contractor shall include consideration for this item
in the bid price for other items of the Contract.

END OF SECTION