Attachment 5 Specifications.pdf

Location Coordinator:Contracting Officer Rep.:Contracting Officer:Engineering Project Manager:

Task

Order #:

Drawing Title:PROJECT TITLE:

FEU Project #:

Drawing Number:

Agricultural Research Service U.S. Department of Agriculture

NCAH

1920 Dayton Avenue Ames, Iowa 50010

Revision:

Client:

Sheet: Of

Designer:

Date:

Date:

NORTH

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UNITED STATES DEPARTMENT OF AGRICULTURE

AGRICULTURE RESEARCH SERVICE

NATIONAL CENTERS FOR ANIMAL HEALTH

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INDEX OF DRAWINGS

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Michael.Kuennen Polygon

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CONTRACTOR ROUTE TO WORK LOCATION

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BUILDING 20

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SITE ENTRANCE

1920 DAYTON AVENUE

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Text Box

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G-001 SITE MAP AND CONSTRUCTION ROUTE

M-001 CWP SECTION DETAIL

CWP TEST & BALANCE 04-14-2009

PHOTOS:

PHOTO 001 CWP MECHANICAL ROOM

PHOTO 002 PUMP SPEC. TAG

PHOTO 003 MOTOR SPEC. TAG

PHOTO 004 SPLIT PUMP ASSEMBLY

PHOTO 005 PUMP COUPLER

PHOTO 006 PUMP BEARING END CAP

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Chilled Water Pump Repairs

SECTION 09900 Page 1

SECTION 09900

PAINTING AND FINISHING

PART 1 GENERAL

1.1 SUBMITTALS

Government approval is required for submittals with a "G" designation;

submittals not having a "G" designation are for Contractor Quality Control approval. When used, a designation following the "G" designation identifies the office that will review the submittal for the Government.

The following shall be submitted in accordance with SUBMITTAL PROCEDURES:

SD-03 Product Data

Paint Systems; G

SD-04 Samples

Paint Systems; G

1.2 SUMMARY

The work includes painting and finishing of interior exposed items and surfaces throughout project.

Surface preparation, priming and coats of paint.

1.2.1 Paint

"Paint" as used herein means all coating systems materials, including primers, emulsions, enamels, stains, sealers and fillers, and other applied materials whether used as prime, intermediate or finish coats.

1.3 DELIVERY AND STORAGE

Deliver materials to job site in original, new and unopened packages and containers bearing manufacturer's name and label, and following information:

Name or title of material.

Fed. Spec. number, if applicable.

Manufacturer's stock number and date of manufacturer.

Manufacturer's name.

Contents by volume, for major pigment and vehicle constituents.

Thinning instructions.

Application instructions.

Color name and number.

1.4 JOB CONDITIONS

Apply water-base paints only when temperature of surfaces to be painted and surrounding air temperatures are between 50 degrees F. (10 degrees C) and 90 degrees F, (32 degrees C) unless otherwise permitted by paint manufacturer's printed instructions.

Apply solvent-thinned paints only when temperature of surfaces to be

SECTION 09900 Page 2 painted and surrounding air temperatures are between 45 degrees F. (7 degrees C) and 95 degrees F. (35 degrees C) unless otherwise permitted by paint manufacturer's printed instructions.

Do not apply paint in snow, rain, fog or mist; or when the relative humidity exceeds 85%; or to damp or wet surfaces; unless otherwise permitted by paint manufacturer's printed instructions.

Painting may be continued during inclement weather if areas and surfaces to be painted are enclosed and heated within temperature limits specified by paint manufacturer during application and drying periods.

PART 2 PRODUCTS

2.1 COLORS AND FINISHES

2.1.1 Color

Rebuilt pump volutes shall be painted blue.

Prior to beginning work; the Contractor will submit paint color samples to the COR for approval.

2.2 MATERIAL QUALITY

2.2.1 Paint Grade

Provide best quality grade of various types of coatings as regularly manufactured by acceptable paint materials manufacturers. Materials not displaying manufacturer's identification as a standard, best-grade product will not be acceptable.

2.2.2 Color Designations

Proprietary names used to designate colors or materials are not intended to imply that products of named manufacturers are required to exclusion of equivalent products of other manufacturers.

2.2.3 Undercoats

Provide undercoat paint produced by same manufacturer as finish coats. Use only thinners approved by paint manufacturer, and use only within recommended limits.

2.2.4 Manufacturers

Provide general products of one of the following manufacturers:

Benjamin Moore

ICI

Sherwin-Williams

PPG

Rustoleum

2.4 INTERIOR PAINT SYSTEMS

SECTION 09900 Page 3

Provide following paint systems for various substrates, as indicated and specified.

2.4.1 Ferrous Metal Surfaces

One (1) coat S-W "Pro-Cryl Universal Metal Primer B66-310" and two (2) coats S-W "DTM Acrylic Coating B66-200".

PART 3 EXECUTION

3.1 INSPECTION

Applicator must examine areas and conditions under which painting work is to be applied and notify COR in writing of conditions detrimental to proper and timely completion of work.

Starting of painting work will be construed as Applicator's acceptance of surfaces and conditions within any particular area.

Do not paint over dirt, rust, scale, grease, moisture, scuffed surfaces, or conditions otherwise detrimental to formation of a durable paint film.

3.2 SURFACE PREPARATION

3.2.1 General

Perform preparation and cleaning procedures in accordance with paint manufacturer's instructions and as herein specified, for each particular substrate condition.

3.2.2 Removal

Remove hardware, hardware accessories, machined surfaces, plates, lighting fixtures, and similar items in place and not to be finish-painted, or provide surface-applied protection prior to surface preparation and painting operations. Remove, if necessary, for complete painting of items and adjacent surfaces. Following completion of painting of each space or area, reinstall removed items.

3.2.3 Cleaning

Clean surfaces to be painted before applying paint or surface treatments.

Remove oil and grease prior to mechanical cleaning. Program cleaning and painting so that contaminants from cleaning process will not fall onto wet, newly-painted surfaces.

3.2.7 Ferrous Metals

Clean ferrous surfaces, which are not galvanized or shop-coated, of oil, grease, dirt, loose mill scale and other foreign substances by solvent or mechanical cleaning.

3.2.8 Existing Painted Surfaces

Remove all loose and scaling paint. Make sure that all paint remaining is adhered well to the surfaces. Remove all grease, oil and other surface contaminates which would affect adhesion of the new paint finish. Sand all surfaces for proper paint adhesion, and to remove glossy areas in the existing paint finish. Sand rough edges of bare areas to feather edge at

SECTION 09900 Page 4 adjacent sound paint.

3.3 MATERIALS PREPARATION

Mix and prepare painting materials in accordance with manufacturer's directions.

Store materials not in actual use in tightly covered containers. Maintain containers used in storage, mixing and application of paint in a clean condition, free of foreign materials and residue.

Stir materials before application to produce a mixture of uniform density, and stir as required during application. Do not stir surface film into material. Remove film and, if necessary, strain material before using.

3.4 APPLICATION

3.4.1 General

Apply paint in accordance with manufacturer's directions. Use applicators and techniques best suited for substrate and type of material being applied.

3.4.2 Additional Coats

Apply additional coats when undercoats, stains or other conditions show through final coat of paint, until paint film is of uniform finish, color and appearance. Give special attention to insure that surfaces, including edges, corners, crevices, welds, and exposed fasteners receive a dry film thickness equivalent to that of flat surfaces.

3.4.3 Application Procedures

Apply paints and coatings by brush, roller, spray, or other applicators according to manufacturer's written instructions.

3.4.3.1 Brushes

Use brushes best suited for type of material applied. Use brush of appropriate size for surface or item being painted.

3.4.3.2 Rollers

Use rollers of carpet, velvet-back, or high-pile sheep's wool as recommended by manufacturer for material and texture required.

3.4.3.3 Spray Equipment

Use airless spray equipment with orifice size as recommended by manufacturer for material and texture required. Provide all necessary barricades, enclosures, and canvassing to protect persons, vehicles, building surfaces and contents which could be damaged by overspray. In addition, mask off surrounding surfaces not scheduled to receive special coatings, and to protect from overspray.

Contractor shall be responsible for damages to persons, vehicles, building contents and surrounding surfaces by spread of overspray.

Remove temporary barricades, enclosures, canvassing, masking and other protection devices after completion of spray painting operations.

SECTION 09900 Page 5

3.4.8 Sanding

Sand lightly between each succeeding enamel coat.

3.4.9 Scheduling Painting

Apply first-coat material to surfaces that have been cleaned, pretreated or otherwise prepared for painting as soon as practicable after preparation and before subsequent surface deterioration.

3.4.10 Drying

Allow sufficient time between successive coatings to permit proper drying.

Do not recoat until paint has dried to where it feels firm, does not deform or feel sticky under moderate thumb pressure, and application of another coat of paint does not cause lifting or loss of adhesion of the undercoat.

3.4.11 Minimum Coating Thickness

Apply materials at not less than manufacturer's recommended spreading rate, to establish a total dry film thickness as indicated or, if not indicated, as recommended by coating manufacturer.

3.4.12 Prime Coats

Apply prime coat to material which are required to be painted or finished.

3.4.13 Recoating

Recoat primed and sealed surfaces where there is evidence of suction spots or unsealed areas in first coat, to assure a finish coat with no burn-through or other defects due to insufficient sealing.

3.4.14 Pigmented (Opaque) Finishes

Completely cover to provide an opaque, smooth surface of uniform finish, color, appearance and coverage. Cloudiness, spotting, holidays, laps, brush marks, runs, sags, ropiness or other surface imperfections will not be acceptable.

3.4.15 Completed Work

Match approved samples for color, texture and coverage. Remove, refinish or repaint work not in compliance with specified requirements.

3.5 CLEAN-UP AND PROTECTION

3.5.1 Clean-Up

During progress of work, remove from site discarded paint materials, rubbish, cans and rags at end of each work day in a legal manner off site.

Upon completion of painting work, clean window glass and other paint-spattered surfaces. Remove spattered paint by proper methods of washing and scraping, using care not to scratch or otherwise damage finished surfaces.

3.5.2 Protection

Protect work of other trades, whether to be painted or not, against damage by painting and finishing work. Correct any damage by cleaning, repairing

SECTION 09900 Page 6 or replacing, and repainting, as acceptable to Architect.

3.5.3 Signs

Provide "Wet Paint" signs as required to protect newly-painted finishes.

Remove temporary protective wrappings provided by others for protection of their work, after completion of painting operations.

3.5.4 Completion

At the completion of work of other trades, touch-up and restore all damaged or defaced painted surfaces.

-- End of Section --

SECTION 15080 Page 1

SECTION 15080

THERMAL INSULATION FOR MECHANICAL SYSTEMS

PART 1 GENERAL

1.1 REFERENCES

The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only. At the discretion of the Government, the manufacturer of any material supplied will be required to furnish test reports pertaining to any of the tests necessary to assure compliance with the standard or standards referenced in this specification.

Use the latest version of the following:

AMERICAN SOCIETY OF HEATING, REFRIGERATING AND AIR-CONDITIONING

ENGINEERS (ASHRAE)

ASHRAE 90.1 (2001; various Errata) Energy Standard for Buildings Except Low-Rise Residential Buildings

ASTM INTERNATIONAL (ASTM)

ASTM A 167 (2004) Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip

ASTM A 240/A 240M (2004ae1) Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels for General Applications

ASTM A 580/A 580M (1998; R 2004) Stainless Steel Wire

ASTM B 209 (2004) Aluminum and Aluminum-Alloy Sheet and Plate

ASTM C 1126 (2004) Faced or Unfaced Rigid Cellular Phenolic Thermal Insulation

ASTM C 1136 (2003a) Flexible, Low Permeance Vapor Retarders for Thermal Insulation

ASTM C 1290 (2004) Flexible Fibrous Glass Blanket Insulation Used to Externally Insulate HVAC Ducts

ASTM C 195 (2000) Mineral Fiber Thermal Insulating Cement

ASTM C 449/C 449M (2000) Mineral Fiber Hydraulic-Setting Thermal Insulating and Finishing Cement

ASTM C 533 (2004) Calcium Silicate Block and Pipe

SECTION 15080 Page 2

Thermal Insulation

ASTM C 534 (2003) Preformed Flexible Elastomeric Cellular Thermal Insulation in Sheet and Tubular Form

ASTM C 547 (2003) Mineral Fiber Pipe Insulation

ASTM C 552 (2003) Cellular Glass Thermal Insulation

ASTM C 553 (2002) Mineral Fiber Blanket Thermal Insulation for Commercial and Industrial Applications

ASTM C 591 (2001) Unfaced Preformed Rigid Cellular Polyisocyanurate Thermal Insulation

ASTM C 610 (1999) Molded Expanded Perlite Block and Pipe Thermal Insulation

ASTM C 612 (2004) Mineral Fiber Block and Board Thermal Insulation

ASTM C 647 (1995; R 2000) Properties and Tests of Mastics and Coating Finishes for Thermal Insulation

ASTM C 665 (2001e1) Mineral-Fiber Blanket Thermal Insulation for Light Frame Construction and Manufactured Housing

ASTM C 795 (2003) Thermal Insulation for Use in Contact with Austenitic Stainless Steel

ASTM C 920 (2002) Elastomeric Joint Sealants

ASTM C 921 (2003a) Jackets for Thermal Insulation

ASTM D 882 (2002) Tensile Properties of Thin Plastic Sheeting

ASTM E 2231 (2002) Specimen Preparation and Mounting of Pipe and Duct Insulation Materials to Assess Surface Burning Characteristics

ASTM E 84 (2004) Surface Burning Characteristics of Building Materials

ASTM E 96 (2000e1) Water Vapor Transmission of Materials

MANUFACTURERS STANDARDIZATION SOCIETY OF THE VALVE AND FITTINGS

INDUSTRY (MSS)

MSS SP-69 (2002) Pipe Hangers and Supports - Selection and Application

SECTION 15080 Page 3 insulationinsulation.mechanical systems shall be as

MIDWEST INSULATION CONTRACTORS ASSOCIATION (MICA)

MICA Insulation Stds (1999) National Commercial & Industrial Insulation Standards

NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

NFPA 255 (2000) Method of Test of Surface Burning Characteristics of Building Materials

NFPA 96 (2001) Ventilation Control and Fire Protection of Commercial Cooking Operations

U.S. DEPARTMENT OF DEFENSE (DOD)

MIL-A-3316 (Rev C; Am 2) Adhesives, Fire-Resistant, Thermal Insulation

UNDERWRITERS LABORATORIES (UL)

UL 723 (2003) Test for Surface Burning Characteristics of Building Materials

1.2 SYSTEM DESCRIPTION

Field-applied insulation and accessories on chilled water pumps and any disturbed pipe insulation.

1.3 GENERAL QUALITY CONTROL

1.3.1 Standard Products

Provide field-applied insulation for heating, ventilating, and cooling (HVAC) air distribution systems and piping systems which are located within, on, under, and adjacent to buildings; and for plumbing systems.

Materials shall be the standard products of manufacturers regularly engaged in the manufacture of such products and shall essentially duplicate items that have been in satisfactory use for at least 2 years prior to bid opening.

1.3.2 Installer's Qualifications

Qualified installers shall have successfully completed three or more similar type jobs within the last 5 years.

1.3.3 Surface Burning Characteristics

Unless otherwise specified, insulation shall have a maximum flame spread index of 25 and a maximum smoke developed index of 50 when tested in accordance with ASTM E 84. Flame spread, and smoke developed indexes, shall be determined by ASTM E 84, NFPA 255 or UL 723. Insulation shall be tested in the same density and installed thickness as the material to be used in the actual construction. Test specimens shall be prepared and mounted according to ASTM E 2231.

SECTION 15080 Page 4

1.3.4 Identification of Materials

Packages or standard containers of insulation, jacket material, cements, adhesives, and coatings delivered for use, and samples required for approval shall have manufacturer's stamp or label attached giving the name of the manufacturer and brand, and a description of the material.

Insulation packages and containers shall be asbestos free.

1.4 SUBMITTALS

Government approval is required for submittals with a "G" designation;

submittals not having a "G" designation are for information only. When used, a designation following the "G" designation identifies the office that will review the submittal for the Government. The following shall be submitted in accordance with Section 01330 SUBMITTAL PROCEDURES:

SD-03 Product Data

General Materials; G Adhesives; G Sealants; G Pipe Insulation Materials; G Jackets; G

A complete list of materials, including manufacturer's descriptive technical literature, performance data, catalog cuts, and installation instructions. The product number, k-value,thickness and furnished accessories for chilled water pumps requiring insulation shall be included. Materials furnished under this section of the specification shall be submitted at one time.

1.5 STORAGE

Materials shall be delivered in the manufacturer's unopened containers.

Materials delivered and placed in storage shall be provided with protection from weather, humidity, dirt, dust and other contaminants. The Contracting Officer may reject insulation material and supplies that become dirty, dusty, wet, or contaminated by some other means.

PART 2 PRODUCTS

2.1 GENERAL MATERIALS

Insulation material shall conform to Table 1. Insulation thickness shall be as listed in Table 2. Insulation thickness as specified in Table 2 shall be 1 inch greater for insulated piping systems located outside. In lieu of Table 2, minimum thickness may be calculated in accordance with ASHRAE 90.1, Section 9, Table 9-1 and Equation 9-1. Insulation exterior shall be cleanable, grease resistant, non-flaking and non-peeling.

Materials shall be compatible and shall not contribute to corrosion, soften, or otherwise attack surfaces to which applied in either wet or dry state. Materials to be used on stainless steel surfaces shall meet ASTM C 795 requirements. Materials shall be asbestos free and conform to the following:

2.1.1 Available Manufacturers

Subject to compliance requirements, manufacturers offering products that

SECTION 15080 Page 5 may be incorporation into the Work include, but are not limited to, the following:

2.1.1.1 Flexible Elastomeric Thermal Insulation

Armstrong World Industries, Inc.

Rubatex Corp.

2.1.1.2 Closed-Cell Phenolic-Foam Insulation

Kooltherm Insulation Products, Ltd.

2.1.2 Adhesives

2.1.2.1 Lagging Adhesive

Lagging is the material used for thermal insulation, especially around a cylindrical object. This may include the insulation as well as the cloth/material covering the insulation. Lagging adhesives shall be nonflammable and fire-resistant and shall have a maximum flame spread index of 25 and a maximum smoke developed index of 50 when tested in accordance with ASTM E 84. Adhesive shall be MIL-A-3316, Class 1, pigmented white and be suitable for bonding fibrous glass cloth to faced and unfaced fibrous glass insulation board; for bonding cotton brattice cloth to faced and unfaced fibrous glass insulation board; for sealing edges of and bonding fibrous glass tape to joints of fibrous glass board; for bonding lagging cloth to thermal insulation; or Class 2 for attaching fibrous glass insulation to metal surfaces. Lagging adhesives shall be applied in strict accordance with the manufacturer's recommendations for pipe and duct insulation.

2.1.3 Contact Adhesive

Adhesives may be any of, but not limited to, the neoprene based, rubber based, or elastomeric type that have a maximum flame spread index of 25 and a maximum smoke developed index of 50 when tested in accordance with ASTM E

84. The adhesive shall not adversely affect, initially or in service, the insulation to which it is applied, nor shall it cause any corrosive effect on metal to which it is applied. Any solvent dispersing medium or volatile component of the adhesive shall have no objectionable odor and shall not contain any benzene or carbon tetrachloride. The dried adhesive shall not emit nauseous, irritating, or toxic volatile matters or aerosols when the adhesive is heated to any temperature up to 212 degrees F. The dried adhesive shall be nonflammable and fire resistant. Natural cross-ventilation, local (mechanical) pickup, and/or general area (mechanical) ventilation shall be used to prevent an accumulation of solvent vapors, keeping in mind the ventilation pattern must remove any heavier-than-air solvent vapors from lower levels of the workspaces.

Gloves and spectacle-type safety glasses are recommended in accordance with safe installation practices.

2.1.4 Caulking

ASTM C 920, Type S, Grade NS, Class 25, Use A.

2.1.5 Staples

Outward clinching type monel or ASTM A 167 Type 304 or 316 stainless steel.

SECTION 15080 Page 6

2.1.6 Jackets

2.1.6.1 Polyvinyl Chloride (PVC) Jackets

Polyvinyl chloride (PVC) jacket and fitting covers shall have high impact strength, UV resistant rating or treatment and moderate chemical resistance with minimum thickness 0.030 inch.

2.1.7 Vapor Retarder Required

ASTM C 921, Type I, minimum puncture resistance 50 Beach units on all surfaces except concealed ductwork, where a minimum puncture resistance of 25 Beach units is acceptable. Minimum tensile strength, 35 pounds/inch width. ASTM C 921, Type II, minimum puncture resistance 25 Beach units, tensile strength minimum 20 pounds/inch width. Jackets used on insulation exposed in finished areas shall have white finish suitable for painting without sizing. Based on the application, insulation materials that require factory applied jackets are mineral fiber, cellular glass, polyisocyanurate, and phenolic foam. Insulation materials that do not require jacketing are flexible elastomerics. All non-metallic jackets shall have a maximum flame spread index of 25 and a maximum smoke developed index of 50 when tested in accordance with ASTM E 84.

2.1.7.1 White Vapor Retarder All Service Jacket (ASJ)

Standard reinforced fire retardant jacket for use on hot/cold pipes, ducts, or equipment. Vapor retarder jackets used on insulation exposed in finished areas shall have white finish suitable for painting without sizing.

2.1.7.2 Vapor Retarder Mastic Coatings

The vapor retarder coating shall be fire and water resistant and appropriately selected for either outdoor or indoor service. Color shall be white. The water vapor permeance of the compound shall be determined according to procedure B of ASTM E 96 utilizing apparatus described in ASTM E 96. The coating shall be a nonflammable, fire resistant type. All other application and service properties shall be in accordance with ASTM C 647.

2.1.7.3 Laminated Film Vapor Retarder

ASTM C 1136, Type I, maximum moisture vapor transmission 0.02 perms, minimum puncture resistance 50 Beach units on all surfaces except concealed ductwork, where Type II, maximum moisture vapor transmission 0.02 perms, a minimum puncture resistance of 25 Beach units is acceptable. Vapor retarder shall have a maximum flame spread index of 25 and a maximum smoke developed index of 50 when tested in accordance with ASTM E 84.

2.1.7.4 Polyvinylidene Chloride (PVDC) Film Vapor Retarder

The PVDC film vapor retarder shall have a maximum moisture vapor transmission of 0.02 perms, minimum puncture resistance of 150 Beach units, a minimum tensile strength in any direction of 30 lb/inch when tested per ASTM D 882, and a maximum flame spread index of 25 and a maximum smoke developed index of 50 when tested in accordance with ASTM E 84.

2.1.7.5 Polyvinylidene Chloride Vapor Retarder Adhesive Tape

Requirements must meet the same as specified for Laminated Film Vapor Retarder above.

2.1.8 Wire

SECTION 15080 Page 7

Soft annealed ASTM A 580/A 580M Type 302, 304 or 316 stainless steel, 16 or 18 gauge.

2.1.9 Insulation Bands

Insulation bands shall be 1/2 inch wide; 26 gauge stainless steel.

2.1.10 Sealants

Sealants shall be chosen from the butyl polymer type, the styrene-butadiene rubber type, or the butyl type of sealants. Sealants shall have a maximum moisture vapor transmission of 0.02 perms, and a maximum flame spread index of 25 and a maximum smoke developed index of 50 when tested in accordance with ASTM E 84.

2.2 PIPE INSULATION MATERIALS

Pipe insulation materials shall be limited to those listed herein and shall meet the following requirements:

2.2.1 Aboveground Cold Pipeline (-30 to 60 degrees F)

Insulation for outdoor, indoor, exposed or concealed applications, shall be as follows:

a. Cellular Glass: ASTM C 552, Type II, and Type III. Supply the insulation with manufacturer's recommended factory-applied jacket.

b. Flexible Elastomeric Cellular Insulation: ASTM C 534, Grade 1, Type I or II. Type II shall have vapor retarder skin on one or both sides of the insulation.

c. Phenolic Insulation: ASTM C 1126, Type III. Phenolic insulations shall comply with ASTM C 795 and with the ASTM C 665 paragraph Corrosiveness. Supply the insulation with manufacturer's recommended factory-applied jacket.

d. Polyisocyanurate Insulation: ASTM C 591, type I. Supply the insulation with manufacturer's recommended factory-applied vapor retarder.

PART 3 EXECUTION

3.1 PREPARATION

Piping insulation shall terminate immediately adjacent to each flow control valve, automatic control valve, or device. For chilled water and chilled-hot water piping systems, seal ends of pipe insulation and space between ends of pipe insulation and piping with waterproof vapor barrier seating. Insulate control valves and devices.

3.2 APPLICATION - GENERAL

Insulation shall only be applied to unheated and uncooled piping and equipment. Flexible elastomeric cellular insulation shall not be compressed at joists, studs, columns, ducts, hangers, etc. The insulation shall not pull apart after a one hour period; any insulation found to pull apart after one hour, shall be replaced.

3.2.1 Installation

SECTION 15080 Page 8

Except as otherwise specified, material shall be installed in accordance with the manufacturer's written instructions. Insulation materials shall not be applied until tests specified in other sections of this specification are completed. Material such as rust, scale, dirt and moisture shall be removed from surfaces to receive insulation. Insulation shall be kept clean and dry. Insulation shall not be removed from its shipping containers until the day it is ready to use and shall be returned to like containers or equally protected from dirt and moisture at the end of each workday. Insulation that becomes dirty shall be thoroughly cleaned prior to use. If insulation becomes wet or if cleaning does not restore the surfaces to like new condition, the insulation will be rejected, and shall be immediately removed from the jobsite. Joints shall be staggered on multi layer insulation. Mineral fiber thermal insulating cement shall be mixed with demineralized water when used on stainless steel surfaces.

Insulation, jacketing and accessories shall be installed in accordance with MICA Insulation Stds plates except where modified herein or on the drawings.

3.2.2 Painting and Finishing

Painting shall be as specified in Section 09900 PAINTS AND COATINGS.

3.2.3 Installation of Flexible Elastomeric Cellular Insulation

Flexible elastomeric cellular insulation shall be installed with seams and joints sealed with rubberized contact adhesive. Insulation with pre-applied adhesive is not permitted. Flexible elastomeric cellular insulation shall not be used on surfaces greater than 200 degrees F. Seams shall be staggered when applying multiple layers of insulation. Insulation exposed to weather and not shown to have jacketing shall be protected with two coats of UV resistant finish or PVC or metal jacketing as recommended by the manufacturer after the adhesive is dry and cured. A brush coating of adhesive shall be applied to both butt ends to be joined and to both slit surfaces to be sealed. The adhesive shall be allowed to set until dry to touch but tacky under slight pressure before joining the surfaces.

Insulation seals at seams and joints shall not be capable of being pulled apart one hour after application. Insulation that can be pulled apart one hour after installation shall be replaced.

3.3 PIPE INSULATION INSTALLATION

3.3.1 Pipe Insulation

3.3.1.1 General

Pipe insulation shall be installed on aboveground hot and cold pipeline systems as specified below to form a continuous thermal retarder, including straight runs, fittings and appurtenances unless specified otherwise.

Installation shall be with full length units of insulation and using a single cut piece to complete a run. Cut pieces or scraps abutting each other shall not be used.

SECTION 15080 Page 9

3.3.1.2 Flexible Elastomeric Cellular Pipe Insulation

Flexible elastomeric cellular pipe insulation shall be tubular form for pipe sizes 6 inches and less. Grade 1, Type II sheet insulation used on pipes larger than 6 inches shall not be stretched around the pipe. On pipes larger than 12 inches, the insulation shall be adhered directly to the pipe on the lower 1/3 of the pipe. Seams shall be staggered when applying multiple layers of insulation. Sweat fittings shall be insulated with miter-cut pieces the same size as on adjacent piping. Screwed fittings shall be insulated with sleeved fitting covers fabricated from miter-cut pieces and shall be overlapped and sealed to the adjacent pipe insulation.

3.3.1.3 Pipe Insulation Material and Thickness

TABLE 1

Insulation Material For Piping (°F)

Service Material Spec. Type Class Vapor

Retarder Required

Chilled Water Cellular Glass ASTM C 552 II 2 No (Supply & Flex Elast Cell'r ASTM C 534 I No Return Faced Phenol Foam ASTM C 1126 III Yes Piping) and Polyisocianurate ASTM C 591 I Yes Glycol (Supply & Return)

Mineral Fiber ASTM C 547 I 1 Yes

Heating Hot Mineral Fiber ASTM C 547 I 1 No Water Supply & Calcium Silicate ASTM C 533 I No Return Cellular Glass ASTM C 552 II 2 No (Max 200°F) Faced Phenol Foam ASTM C 1126 III Yes

Perlite ASTM C 610 No Polyisocianurate ASTM C 591 I No

Cold Domestic, Polyisocianurate ASTM C 591 I Yes BSL-2 & BSL-3 Cellular Glass ASTM C 552 II 2 No Water Piping, Flex Elast Cell'r ASTM C 534 I No Makeup Water, Faced Phenol Foam ASTM C 1126 III Yes Non-Potable Water, Tempered Water, Softened Cold Water, Cold Domestic BSL-3 and Drinking Fount Drain Piping

Mineral Fiber ASTM C 547 I 1 Yes

SECTION 15080 Page 10

Required

Hot Domestic, Mineral Fiber ASTM C 547 I 1 No BSL-2 & BSL-3 Cellular Glass ASTM C 552 II 2 No Water Supply, Flex Elast Cell'r ASTM C 534 I No Recirculating Faced Phenol Foam ASTM C 1126 III Yes Piping (Max. Polyisocianurate ASTM C 591 I No 200°F), Softened

Hot Water, Hot Domestic

BSL-3

Refrigerant Flex Elast Cell'r ASTM C 534 I No Suction Piping Cellular Glass ASTM C 552 II 1 Yes (35°F nominal) Faced Phenol Foam ASTM C 1126 III Yes Polyisocianurate ASTM C 591 I Yes

Compressed Air Cellular Glass ASTM C 552 II No Discharge, Mineral Fiber ASTM C 547 I 1 No Steam and Calcium Silicate ASTM C 533 I No Condensate Faced Phenol Foam ASTM C 1126 III Yes Return (S15 & Perlite ASTM C 610 No CR15) Low Polyisocianurate ASTM C 591 I No Pressure

Exposed Lav'ry Flex Elast Cell'r ASTM C 534 I No Drains, Exposed

Domestic Water Piping & Drains to Areas for Handicap Personnel

Horizontal Roof Polyisocianurate ASTM C 591 I Yes Drain Leaders, Flex Elast Cell'r ASTM C 534 I No

Horizontal Faced Phenol Foam ASTM C 1126 III Yes

Overflow Cellular Glass ASTM C 552 III Yes

Drain Leaders (Including Underside of Roof and Overflow Drain Fittings), Overflow Drain Leaders from Point of Discharge to 10'-0" Inside Buildings

Mineral Fiber ASTM C 547 I 1 Yes

A/C condensate Polyisocianurate ASTM C 591 I Yes Drain Located Cellular Glass ASTM C 552 II 2 No

SECTION 15080 Page 11

Required

Inside Bldg., Flex Elast Cell'r ASTM C 534 I No Cold Room Condensate Drains

Faced Phenol Foam ASTM C 1126 II Yes

Required

Steam and Mineral Fiber ASTM C 547 I 1 No Condensate Calcium Silicate ASTM C 533 I No (S80 & CR80) Cellular Glass ASTM C 552 I or II No Medium Perlite ASTM C 610 No Pressure Polyisocianurate ASTM C 591 I No

Steam and Mineral Fiber ASTM C 547 I 2 No Condensate Calcium Silicate ASTM C 533 I No

(S125 & CR125) Perlite ASTM C 610 No

High Pressure Cellular Glass ASTM C 552 No Polyisocianurate ASTM C 591 I No

TABLE 2

Piping Insulation Thickness (inch and °F)

Tube And Pipe Size (Inches)

Service Material <1 1- <1.5 1.5- <4 4- <8 >or = to 8

Chilled Water Cellular Glass 1.5 2 2 2.5 3 (Supply & Faced Phenol Foam 1 1 1 1.5 1.5 Return 40°F Polyisocianurate 1 1 1 1 1 Nominal)and Glycol Supply

Mineral Fiber 1 1 1.5 1.5 1.5 and Return

NOTE: Insulation thickness listed are minimum systems listed. Manufacturer shall verify thickness will prevent condensation on surface when exposed to ambient (93 deg F db/71 deg F wb) conditions and temperature of fluid is 42 deg F. Increase insulation thickness as required to prevent condensation.

Heating Hot Water Mineral Fiber 1 1 1 1.5 1.5 Supply & Return, Calcium Silicate 2 2 2.5 2.5 2.5

SECTION 15080 Page 12

(Max. 200°F) Cellular Glass 1.5 1.5 2.5 2.5 2.5 Perlite 2 2 2.5 2.5 2.5 Polyisocianurate 1 1 1 1 1

Cold Domestic Cellular Glass 1.5 1.5 1.5 1.5 1.5 BSL-2 & BSL-3 Flex Elas Cell'r 1 1 1 N/A N/A Water Piping, Faced Phenol Foam 1 1 1 1 1 Makeup Water, Polyisocianurate 1 1 1 1 1 Non-Potable Mineral Fiber 0.5 0.5 0.5 0.5 0.5 Water, Softened

Cold Water, Cold Domestic

BSL-3 and

Tube And Pipe Size (Inches)

Service Material <1 1- <1.5 1.5- <4 4- <8 >or = to 8

Drinking Fountain Drain Piping

Hot Domestic, Mineral Fiber 1 1 1 1.5 1.5 BSL-2 & BSL-3 Cellular Glass 1.5 1.5 1.5 2 2 Water Supply and Flex Elas Cell'r 1 1 1 N/A N/A Recirculating Piping (Max.

200°F), Softened Hot Water, Hot Domestic

BSL-3

Polyisocianurate 1 1 1 1 1.5

Refrigerant Flex Elas Cell'r 0.5 0.5 1 N/A N/A Suction Piping Cellular Glass 1.5 1.5 1.5 1.5 1.5

(35°F nominal) Faced Phenol Foam 1 1 1 1 1

Polyisocianurate 1 1 1 1 1

Compressed Air Mineral Fiber 1.5 1.5 2 2 2 Discharge, Polyisocianurate 1.5 1.5 2 2 2

Steam, and Calcium Silicate 2.5 3 4 4 4.5

Condensate Return Cellular Glass 2 2.5 3 3 3

(S15 and CR15) Low Pressure

Perlite 2.5 3 4 4 4.5

Exposed Lavatory Drains, Exposed

Flex Elas Cell'r 0.5 0.5 0.5 0.5 0.5

Domestic Water Piping & Drains to Areas for Handicap Personnel

Horizontal Roof Cellular Glass 1.5 1.5 1.5 1.5 1.5 Drain Leaders & Flex Elas Cell'r 1 1 1 1 1 Horizontal Faced Phenol Foam 1 1 1 1 1 Overflow Polyisocianurate 1 1 1 1 1 Drain Leaders Mineral Fiber 0.5 0.5 0.5 0.5 1.5

SECTION 15080 Page 13

(Including Underside of Roof and Overflow Drain Fittings), Overflow Drain Leaders from Point of Discharge to 10'-0" Inside Buildings

Tube And Pipe Size (Inches)

Service Material <1 1- <1.5 1.5- <4 4- <8 >or = to 8

A/C condensate Cellular Glass 1.5 1.5 1.5 1.5 1.5 Drain Located Flex Elas Cell'r 1 1 1 N/A N/A Inside Bldg., Faced Phenol Foam 1 1 1 1 1 Cold Room Condensate Drains

Tube And Pipe Size (Inches)

Service Material <1 1- <1.5 1.5- <4 4- <8 >or = to 8

Steam and Mineral Fiber 1.5 2.5 3 3 3 Condensate Calcium Silicate 2.5 3.5 4.5 4.5 5 Return (S80 & Perlite 2.5 3.5 4.5 4.5 5 CR 80) Medium Pressure

Steam and Mineral Fiber 2.5 3 3 4 4 Condensate Calcium Silicate 4 4.5 6 6 6 Return (S125 & Perlite 4 4.5 6 6 6 CR125) High Pressure

Polyisocianurate 1 1 1 1 1

3.3.2 Aboveground Cold Pipelines

The following cold pipelines for minus 30 to plus 60 degrees F, shall be insulated per Table 2. This includes but is not limited to the following:

a. Domestic, Domestic BSL-3, BSL-2 and BSL-3 cold water.

b. HVAC make-up water, non-potable cold water and tempered water.

c. Horizontal and vertical portions of interior roof and overflow

SECTION 15080 Page 14 drains.

d. Refrigerant suction lines.

e. Chilled water.

f. Dual temperature water, i.e. HVAC hot/chilled water.

g. Air conditioner condensate drains.

h. Brine system cryogenics

i. Exposed lavatory drains and water lines serving plumbing fixtures for handicap persons.

3.3.2.1 Insulation Material and Thickness

Insulation thickness for cold pipelines shall be determined using Table 2.

3.3.2.2 Jacket for Mineral Fiber, Cellular Glass, Phenolic Foam, and Polyisocyanurate Foam Insulated Pipe

Insulation shall be covered with a factory applied vapor retarder jacket or field applied seal welded PVC jacket. Insulation inside the building, to be protected with an aluminum jacket, shall have the insulation and vapor retarder jacket installed as specified herein. The aluminum jacket shall be installed as specified for piping exposed to weather, except sealing of the laps of the aluminum jacket is not required. In high abuse areas such as janitor closets and traffic areas in equipment rooms, kitchens, and mechanical rooms, aluminum jackets shall be provided for pipe insulation up to the 6 ft level above the floor. Other areas that specifically require protection to the 6 ft level are accessible interstitial spaces..

3.3.2.3 Installing Insulation for Straight Runs Hot and Cold Pipe

a. Insulation shall be applied to the pipe with joints tightly butted. All butted joints and ends shall be sealed with joint sealant and sealed with a vapor retarder coating or PVDC adhesive tape.

b. Longitudinal laps of the jacket material shall overlap not less than 1-1/2 inches. Butt strips 3 inches wide shall be provided for circumferential joints.

c. Laps and butt strips shall be secured with adhesive and stapled on 4 inch centers if not factory self-sealing. If staples are used, they shall be sealed per item "e." below. Note that staples are not required with cellular glass systems.

d. Factory self-sealing lap systems may be used when the ambient temperature is between 40 and 120 degrees F during installation.

The lap system shall be installed in accordance with manufacturer's recommendations. Stapler shall be used only if specifically recommended by the manufacturer. Where gaps occur, the section shall be replaced or the gap repaired by applying adhesive under the lap and then stapling.

e. All Staples, including those used to repair factory self-seal lap systems, shall be coated with a vapor retarder coating or PVDC adhesive tape. All seams, except those on factory self-seal systems shall be coated with vapor retarder coating or PVDC

SECTION 15080 Page 15 adhesive tape.

f. Breaks and punctures in the jacket material shall be patched by wrapping a strip of jacket material around the pipe and securing it with adhesive, stapling, and coating with vapor retarder coating or PVDC adhesive tape. The patch shall extend not less than 1-1/2 inches past the break.

g. At penetrations such as thermometers, the voids in the insulation shall be filled and sealed with vapor retarder coating or PVDC adhesive tape.

h. Installation of flexible elastomeric cellular pipe insulation shall be by slitting the tubular sections and applying them onto the piping or tubing. Alternately, whenever possible slide un-slit sections over the open ends of piping or tubing. All seams and butt joints shall be secured and sealed with adhesive.

When using self seal products only the butt joints shall be secured with adhesive. Insulation shall be pushed on the pipe, never pulled. Stretching of insulation may result in open seams and joints. All edges shall be clean cut. Rough or jagged edges of the insulation shall not be permitted. Proper tools such as sharp knives shall be used. Grade 1, Type II sheet insulation when used on pipe larger than 6 inches shall not be stretched around the pipe. On pipes larger than 12 inches, adhere sheet insulation directly to the pipe on the lower 1/3 of the pipe.

3.3.2.4 Insulation for Fittings and Accessories

a. Pipe insulation shall be tightly butted to the insulation of the fittings and accessories. The butted joints and ends shall be sealed with joint sealant and sealed with a vapor retarder coating or PVDC adhesive tape.

b. Precut or preformed insulation shall be placed around all fittings and accessories and shall conform to MICA plates except as modified herein: 5 for anchors; 10, 11, and 13 for fittings; 14 for valves; and 17 for flanges and unions. Insulation shall be the same insulation as the pipe insulation, including same density, thickness, and thermal conductivity. Where precut/preformed is unavailable, rigid preformed pipe insulation sections may be segmented into the shape required. Insulation of the same thickness and conductivity as the adjoining pipe insulation shall be used. If nesting size insulation is used, the insulation shall be overlapped 2 inches or one pipe diameter.

Elbows insulated using segments shall conform to MICA Tables 12.20 "Mitered Insulation Elbow'.

c. Upon completion of insulation installation on flanges, unions, valves, anchors, fittings and accessories, terminations, seams, joints and insulation not protected by factory vapor retarder jackets or PVC fitting covers shall be protected with PVDC adhesive tape or two coats of vapor retarder coating with a minimum total thickness of 1/16 inch, applied with glass tape embedded between coats. Tape seams shall overlap 1 inch. The coating shall extend out onto the adjoining pipe insulation 2 inches. Fabricated insulation with a factory vapor retarder jacket shall be protected with PVDC adhesive tape or two coats of vapor retarder coating with a minimum thickness of 1/16 inch and with a 2 inch wide glass tape embedded between coats. Where fitting insulation butts to pipe insulation, the joints shall be

SECTION 15080 Page 16 sealed with a vapor retarder coating and a 4 inch wide ASJ tape which matches the jacket of the pipe insulation.

d. Anchors attached directly to the pipe shall be insulated for a sufficient distance to prevent condensation but not less than 6 inches from the insulation surface.

e. Insulation shall be marked showing the location of unions, strainers, and check valves.

3.3.2.5 Optional PVC Fitting Covers

At the option of the Contractor, premolded, one or two piece PVC fitting covers may be used in lieu of the vapor retarder and embedded glass tape.

Factory precut or premolded insulation segments shall be used under the fitting covers for elbows. Insulation segments shall be the same insulation as the pipe insulation including same density, thickness, and thermal conductivity. The covers shall be secured by PVC vapor retarder tape, adhesive, seal welding or with tacks made for securing PVC covers.

Seams in the cover, and tacks and laps to adjoining pipe insulation jacket, shall be sealed with vapor retarder tape to ensure that the assembly has a continuous vapor seal.

3.3.3 Aboveground Hot Pipelines

All hot pipe lines above 60 degrees F shall be insulated per Table 2. This includes but is not limited to the following:

a. Domestic, Domestic BSL-3, BSL-2 and BSL-3 hot water supply & re-circulating system.

b. Steam and steam condensate return piping. Insulate steam gravity and relief vent lines that are less than 8'-0" above adjacent floor in mechanical and interstitial spaces. Insulation of vent lines required below 8'-0" to prevent exposure of personnel to high temperature surfaces as required by OSHA.

c. Condensate & compressed air discharge.

d. Hot water heating.

e. Water defrost lines in refrigerated rooms.

Insulation shall be covered, in accordance with manufacturer's recommendations, with a factory applied Type II jacket or field applied aluminum where required or seal welded PVC.

3.3.4 Piping Exposed to Weather

Piping exposed to weather shall be insulated and jacketed as specified for the applicable service inside the building. After this procedure, an aluminum jacket or PVC jacket shall be applied. PVC jacketing requires no factory-applied jacket beneath it, however an all service jacket shall be applied if factory applied jacketing is not furnished. Flexible elastomeric cellular insulation exposed to weather shall be treated in accordance with paragraph INSTALLATION OF FLEXIBLE ELASTOMERIC CELLULAR INSULATION in PART 3.

3.3.4.1 Aluminum Jacket

The jacket for hot piping may be factory applied. The jacket shall overlap

SECTION 15080 Page 17 not less than 2 inches at longitudinal and circumferential joints and shall be secured with bands at not more than 12 inch centers. Longitudinal joints shall be overlapped down to shed water and located at 4 or 8 o'clock positions. Joints on piping 60 degrees F and below shall be sealed with caulking while overlapping to prevent moisture penetration. Where jacketing on piping 60 degrees F and below abuts an un-insulated surface, joints shall be caulked to prevent moisture penetration. Joints on piping above 60 degrees F shall be sealed with a moisture retarder.

3.3.4.2 Insulation for Fittings

Flanges, unions, valves, fittings, and accessories shall be insulated and finished as specified for the applicable service. Two coats of breather emulsion type weatherproof mastic (impermeable to water, permeable to air) recommended by the insulation manufacturer shall be applied with glass tape embedded between coats. Tape overlaps shall be not less than 1 inch and the adjoining aluminum jacket not less than 2 inches. Factory preformed aluminum jackets may be used in lieu of the above. Molded PVC fitting covers shall be provided when PVC jackets are used for straight runs of pipe. PVC fitting covers shall have adhesive welded joints and shall be weatherproof.

3.3.4.3 PVC Jacket

PVC jacket shall be ultraviolet resistant and adhesive welded weather tight with manufacturer's recommended adhesive. Installation shall include provision for thermal expansion.

3.4 DUCTWORK, PLENUMS, CASINGS, AND ACCESSORIES INSULATION INSTALLATION

Except for oven hood exhaust duct insulation, corner angles shall be installed on external corners of insulation on ductwork in exposed finished spaces before covering with jacket. Air conditioned spaces shall be defined as those spaces directly supplied with cooled conditioned air (or provided with a cooling device such as a fan-coil unit) and heated conditioned air (or provided with a heating device such as a unit heater, radiator or convector).

3.4.1 Duct Insulation Thickness

Duct insulation thickness shall be in accordance with Table 4.

Table 4 - Minimum Duct Insulation (inches)

Cold Air Ducts 2.0 Relief Ducts 1.5 Fresh Air Intake Ducts 1.5

Warm Air Ducts 2.0 Relief Ducts 1.5 Fresh Air Intake Ducts 1.5

3.4.2 Insulation and Vapor Retarder for Cold Air Duct

Insulation and vapor retarder shall be provided for the following cold air ducts and associated equipment.

a. Supply ducts.

b. Return air ducts.

SECTION 15080 Page 18

c. Relief ducts.

d. Flexible run-outs (field-insulated).

e. Plenums.

f. Duct-mounted coil casings.

g. Coil headers and return bends.

h. Coil casings.

i. Fresh air intake ducts.

j. Filter boxes.

k. Mixing boxes (field-insulated).

l. Supply fans (field-insulated).

m. Site-erected air conditioner casings.

n. Ducts exposed to weather.

o. Combustion air intake ducts.

Insulation for rectangular ducts shall be flexible type where concealed and where exposed and mounted more than 10'-0" above the floor in mechanical rooms/penthouses, minimum density 3/4 pcf, and rigid type where exposed and mounted less than 10'-0" above the finished floor in mechnical rooms/penthouses, minimum density 3 pcf. Insulation for both concealed or exposed round/oval ducts shall be flexible type, minimum density 3/4 pcf or a semi rigid board, minimum density 3 pcf, formed or fabricated to a tight fit, edges beveled and joints tightly butted and staggered. Insulation for all exposed ducts shall be provided with either a white, paint-able, factory-applied Type I jacket or a field applied vapor retarder jacket coating finish as specified, the total field applied dry film thickness shall be approximately 1/16 inch. Insulation on all concealed duct shall be provided with a factory-applied Type I or II vapor retarder jacket.

Duct insulation shall be continuous through sleeves and prepared openings except firewall penetrations. Duct insulation terminating at fire dampers, shall be continuous over the damper collar and retaining angle of fire dampers, which are exposed to unconditioned air and which may be prone to condensate formation. Duct insulation and vapor retarder shall cover the collar, neck, and any un-insulated surfaces of diffusers, registers and grills. Vapor retarder materials shall be applied to form a complete unbroken vapor seal over the insulation. Sheet Metal Duct shall be sealed in accordance with Section 15810N DUCTWORK AND DUCTWORK ACCESSORIES.

3.4.2.1 Installation on Concealed Duct

a. For rectangular, oval or round ducts, flexible insulation shall be attached by applying adhesive around the entire perimeter of the duct in 6 inch wide strips on 12 inch centers.

b. For rectangular and oval ducts, 24 inches and larger insulation shall be additionally secured to bottom of ducts by the use of mechanical fasteners. Fasteners shall be spaced on 16 inch centers and not more than 16 inches from duct corners.

c. For rectangular, oval and round ducts, mechanical fasteners shall

SECTION 15080 Page 19 be provided on sides of duct risers for all duct sizes. Fasteners shall be spaced on 16 inch centers and not more than 16 inches from duct corners.

d. Insulation shall be impaled on the mechanical fasteners (self stick pins) where used and shall be pressed thoroughly into the adhesive. Care shall be taken to ensure vapor retarder jacket joints overlap 2 inches. The insulation shall not be compressed to a thickness less than that specified. Insulation shall be carried over standing seams and trapeze-type duct hangers.

e. Self-locking washers shall be installed where mechanical fasteners…