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SECTION 15083

HVAC PIPING INSULATION

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** NOTE TO SPECIFIER ** Owens Corning; commercial, mechanical and industrial insulating systems.
.
This section is based on the products of Owens Corning, which is located at:
One Owens Corning Pkwy.
Toledo, OH 43659
Toll Free Tel: 800-GET-PINK®
Email: request info ()
Web: www.ocbuildingspec.com
[ Click Here ] for additional information.
Owens Corning Insulating Systems deliver commercial and industrial insulating systems that satisfy the thermal and acoustical requirements of the commercial/industrial building industry throughout the world.
Insulating Systems help save energy, absorb noise and control condensation to help create designs that optimize operating costs, increase thermal efficiency, and enhance occupant comfort.
Pipe and Equipment Insulating Systems: The result of more than 40 years experience, this full line of mechanical insulating products for commercial and industrial systems saves energy and enhances thermal performance of mechanical, power and process systems operating at temperatures up to 850 F (454 C). Enables precise control of processing temperatures while reducing surface temperatures to promote a safe and comfortable working environment.
Our pipe insulation also meets the GREENGUARD GOLD Certification requirements.

PART 1 GENERAL

1.1 SECTION INCLUDES

** NOTE TO SPECIFIER ** Delete items below not required for project. The following temperature ranges are typical for these systems. However, if project requirements call for service temperatures outside the ranges listed, consult the manufacturer's published data to determine operating temperature limitations of the insulation product or products under consideration.

A. Piping insulation for cold piping systems (chilled water, brine, refrigerant), 32 degree F (0 degree C) to 65 degree F (18 degree C).

B. Piping insulation for dual temperature systems, 32 degree F (0 degree C) to 220 degree F (104 degree C).

C. Piping insulation for heating systems (steam, steam condensate, hot water), ambient up to 450 degree F (232 degree C).

D. Piping insulation for domestic and service hot water systems, ambient up to 180 degree F (82 degree C).

1.2 RELATED SECTIONS

** NOTE TO SPECIFIER ** Delete any sections below not relevant to this project; add others as required.

A. Section 15050 - Basic Mechanical Methods and Materials.

B. Section 15060 - Hangers and Supports.

1.3 REFERENCES

** NOTE TO SPECIFIER ** Delete references from the list below that are not actually required by the text of the edited section.

A. ASTM International (ASTM):

1. ASTM C547 - Standard Specification for Mineral Fiber Pipe Insulation.

2. ASTM C585 - Standard Practice for Inner and Outer Diameters of Rigid Thermal Insulation for Nominal Sizes of Pipe and Tubing (NPS System).

3. ASTM C795 - Standard Specification for Thermal Insulation for Use in Contact with Austenitic Stainless Steel.

4. ASTM C921 - Standard Practice for Determining the Properties of Jacketing Materials for Thermal Insulation.

5. ASTM C1136 - Standard Specification for Flexible, Low Permeance Vapor Retarders for Thermal Insulation.

6. ASTM C1393 - Standard Specification for Perpendicularly Oriented Mineral Fiber Roll and Sheet Thermal Insulation for Pipes and Tanks.

7. ASTM C1729 - Standard Specification for Aluminum Jacketing for Insulation.

8. ASTM D1784 - Standard Specification for Rigid Poly (Vinyl Chloride) (PVC) Compounds and Chlorinated Poly (Vinyl Chloride) (CPVC) Compounds.

9. ASTM E84 - Standard Test Method for Surface Burning Characteristics of Building Materials.

B. Underwriters Laboratories (UL)

1. UL 723 - Test for Surface Burning Characteristics of Building Materials.

1.4 SUBMITTALS

A. Product Data: Submit product characteristics, performance criteria, and limitations, including installation instructions, for each type of product indicated.

1. For adhesives and sealants, submit documentation including printed statement of VOC content.

B. Shop Drawings: Detail application of protective shields, saddles, and inserts at hangers.

C. Sustainable Design Submittals: Submit manufacturer's sustainable design certifications as specified.

D. Qualification Data: For Installer.

E. Verification Samples: For each finish product specified, two samples, minimum size 6 inches (150 mm) square representing actual product, color, and patterns.

1.5 QUALITY ASSURANCE

A. Manufacturer Qualifications: Minimum 5 years experience manufacturing similar products.

B. Installer Qualifications: Minimum 2 years experience installing similar products.

1. A qualified installer who has been trained by and is acceptable to manufacturer to install manufacturer's products.

** NOTE TO SPECIFIER ** Include a mock-up if the project size and/or quality warrant taking such a precaution. The following is one example of how a mock-up on a large project might be specified. When deciding on the extent of the mock-up, consider all the major different types of work on the project.

C. Mock-Up: Provide a mock-up for evaluation of surface preparation techniques and application workmanship.

1. Finish areas designated by Architect.

2. Do not proceed with remaining work until workmanship is approved by Architect.

3. Rework mock-up area as required to produce acceptable work.

1.6 PRE-INSTALLATION MEETINGS

A. Convene minimum two weeks prior to starting work of this section.

1.7 DELIVERY, STORAGE, AND HANDLING

A. Delivery: Deliver materials in manufacturer's original packaging.

B. Storage: Store and protect products in accordance with manufacturer's instructions. Store in a dry indoors location. Protect insulation materials from moisture and soiling.

C. Do not install insulation that has been damaged or wet. Remove it from the jobsite.

1. An exception may be allowed in cases where the Contractor is able to demonstrate that wet insulation when fully dried out (either before installation or afterward following exposure to system operating temperatures) will provide installed performance that is equivalent in respects to new, completely dry insulation. In such cases, consult the insulation manufacturer for technical assistance.

1.8 PROJECT CONDITIONS

A. Maintain environmental conditions (temperature, humidity, and ventilation) within limits recommended by manufacturer for optimum results. Do not install products under environmental conditions outside manufacturer's recommended limits.

1.9 SEQUENCING

A. Ensure that products of this section are supplied to affected trades in time designed to prevent interruption of construction progress.

B. Coordination: Coordinate size and location of supports, hangers, and insulation shields specified in Division 15 Section "Hangers and Supports".

1. Coordinate clearance requirements with piping installer for piping insulation application.

2. Coordinate installation and testing of heat tracing.

C. Scheduling: Schedule insulation application after pressure testing systems and, where required, after installing and testing heat tracing.

PART 2 PRODUCTS

2.1 MANUFACTURERS

A. Acceptable Manufacturer: Owens Corning, which is located at: One Owens Corning Pkwy. ; Toledo, OH 43659; Toll Free Tel: 800-GET-PINK®; Email: request info (); Web: www.ocbuildingspec.com

** NOTE TO SPECIFIER ** Delete one of the following two paragraphs; coordinate with requirements of Division 1 section on product options and substitutions.

B. Substitutions: Not permitted.

C. Requests for substitutions will be considered in accordance with provisions of Section 01600.

2.2 INSULATION - GENERAL

A. The term "mineral fiber" includes fibers manufactured of glass, rock, or slag processed from a molten state, with or without binder.

B. Insulation materials furnished and installed shall meet the minimum thickness requirements of American Society of Heating, Refrigeration, and Air Conditioning Engineers ASHRAE 90.1 (2010), "Energy Efficient Design of New Buildings." However, if other factors such as condensation control or personnel protection are considered design determinants, the selection of the thickness of insulation shall satisfy the controlling determinant.

C. Products shall not contain asbestos, lead, mercury, or mercury compounds.

D. Pipe insulation shall not contain penta-, octa-, or deca-brominated diphenyl flame retardant substances, such as deca-Bromine (deca-BDE).

E. Insulation materials for use on austenitic stainless steel shall be qualified as acceptable according to ASTM C795.

2.3 INSULATION MATERlALS

A. Certifications:

** NOTE TO SPECIFIER ** Only Owens Corning ASJ and VaporWick®. Delete if not required.

1. Pipe products shall be GREENGUARD Indoor Air Quality Certified and GREENGUARD Gold Certified.

** NOTE TO SPECIFIER ** Pipe products except FLEXWRAP® Insulation. Delete if not required.

2. Pipe products shall be certified by Scientific Certification Systems (SCS) to contain a minimum of 57% recycled glass content.

** NOTE TO SPECIFIER ** Pipe products except FLEXWRAP® Insulation and Pipe and Tank Insulation. Delete if not required.

3. Pipe products shall be UL listed and labeled.

B. Molded Fibrous Glass Pipe Insulation: Comply with ASTM C547, Type 1, Grade A, and ASTM C585, for sizes required and of a type suitable for installation on piping systems as required. Products for the following applications shall be used:

1. For indoor systems operating at temperatures from 0 degree F (-18 degree C) to +850 degree F (454 degree C):

a. Owens Corning Fiberglas ASJ Insulation with SSL II Positive Closure System.

2. For systems operating at temperatures to +850 degree F (232 degree C) and always above the ambient temperature:

a. Owens Corning No-Wrap Pipe Insulation.

3. For systems operating below ambient (32 degree F (0 degree C) to +65 degree F (18 degree C)) temperature:

a. Owens Corning VaporWick Pipe Insulation.

C. Perpendicular Oriented Mineral Fiber Insulation: ASTM C1393, Type IIIB, Category 2:

1. For piping equal to or larger than 10 inches (254 mm) diameter operating at temperatures up to +850 degree F (454 degree C):

a. Owens Corning Fiberglas FLEXWRAP Insulation.

D. Perpendicular Oriented Mineral Fiber Insulation: ASTM C1393, Type II, Category 1:

1. For piping equal to or larger than 10 inches (254 mm) diameter operating at temperatures up to +650 degree F (343 degree C):

a. Owens Corning Fiberglas Pipe and Tank Insulation.

** NOTE TO SPECIFIER ** Delete if not required.

2.4 FIELD-APPLIED JACKETS

A. General: Field-applied jackets shall comply with ASTM C921.

1. At Below-Ambient Temperatures: Type I.

2. At Above-Ambient Temperatures: Type II, where a vapor barrier is not required.

** NOTE TO SPECIFIER ** Delete if not required.

B. PVC Jackets: ASTM D1784, Class 16354-C; 0.020 inch (0.5 mm) thick PVC jacketing and fitting covers.

1. Acceptable Manufacturer: Owens Corning, which is located at: One Owens Corning Pkwy. ; Toledo, OH 43659; Toll Free Tel: 800-GET-PINK®; Email: request info (); Web: www.ocbuildingspec.com

** NOTE TO SPECIFIER ** Delete if not required.

C. Aluminum Jackets: ASTM C1729, Class A, 0.016 inch (0.4 mm) thick aluminum jacket with 3 mil (0.08 mm) thick polysurlyn moisture barrier factory-heat-laminated to the interior surface.

1. Acceptable Manufacturer: Owens Corning, which is located at: One Owens Corning Pkwy. ; Toledo, OH 43659; Toll Free Tel: 800-GET-PINK®; Email: request info (); Web: www.ocbuildingspec.com

2.5 ACCESSORY MATERIALS

A. Accessories: Provide accessories per insulating system manufacturer's recommendations, including the following:

1. Closure Materials: Butt strips, bands, wires, staples, mastics, adhesives, and pressure-sensitive tapes.

a. Mold resistant mastics shall be used for chilled water applications.

2. Field-Applied Jacketing Materials: Sheet metal, plastic, canvas, fiber glass cloth, insulating cement, PVC fitting covers.

3. Support Materials: Hanger straps, hanger rods, saddles, support rings, and high density inserts.

B. Adhesives for Indoor Applications: VOC content of 50 g/L or less when calculated according to 40 CFR 59, Subpart D (EPA Method 24).

PART 3 EXECUTION

3.1 EXAMINATION

A. Verify that materials and accessories can be installed in accordance with Contract Documents and material manufacturers' recommendations.

B. Verify, by inspecting product labeling, submittal data, and/or certifications which may accompany the shipments, that materials and accessories to be installed on the project comply with applicable specifications and standards and meet specified thermal and physical properties.

C. Before starting work specified in this Section, carefully inspect the site and installed work of other trades and verify that such work is complete to the point where installation of materials and accessories specified in this Section can begin. If substrate preparation is the responsibility of another installer, notify Architect of unsatisfactory preparation before proceeding.

** NOTE TO SPECIFIER ** Modify to suit Project scope and requirements.

D. Items Not Insulated: Unless otherwise indicated, do not install insulation on the following:

1. Drainage piping located in crawl spaces.

2. Underground piping.

3. Chrome-plated pipes and fittings unless there is a potential for personnel injury.

3.2 PREPARATION

A. Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the Project conditions.

B. Ensure that surfaces over which insulation is to be installed are clean and dry.

C. Ensure that insulation is clean, dry, and in good mechanical condition with factory-applied vapor or weather barriers intact and undamaged. Wet, dirty, or damaged insulation shall not be acceptable for installation.

D. Ensure that pressure testing of piping and fittings has been completed prior to installing insulation.

3.3 INSTALLATION

A. Insulation contractor's employees shall be properly protected during installation of insulation. Protection shall include proper attire when handling and applying insulation materials, and shall include, but not be limited to, disposable dust respirators, gloves, hard hats, and eye protection.

B. Install insulation materials and accessories in accordance with Contract Documents and manufacturer's published instructions to ensure that it will serve its intended purpose.

1. Install insulation on piping subsequent to painting and acceptance tests.

2. Install insulation materials with smooth and even surfaces. Insulate each continuous run of piping with full-length units of insulation, with single cut piece to complete run. Do not use cut pieces or scraps abutting each other. Butt insulation joints firmly to ensure complete, tight fit over piping surfaces.