80AFRC17B0005P00003.pdf

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

PAGE OF PAGES

3. EFFECTIVE DATE 5. PROJECT NO. (If applicable)2. NO.

7. ADMINISTERED BY (If other than Item 6) CODE

FACILITY CODECODE

6. ISSUED BY CODE

8. NAME AND ADDRESS OF CONTRACTOR (No., street, county, State and Zip Code)

10B. DATED (SEE ITEM 13)

9A. AMENDMENT OF SOLICITATION NO.

80AFRC17B000580AFRC17B0005

9B. DATED (SEE ITEM 11)

09017/2017

10A. MODIFICATION OF CONTRACT/ORDER NO.

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

NSN 7540-01-152-8070

PREVIOUS EDITION UNUSABLE

STANDARD FORM 30 (REV. 10-83)

Prescribed by GSA FAR (48 CFR) 53.243

1. CONTRACT ID CODE

16B. UNITED STATES OF AMERICA 16C. DATE

SIGNED

15B. CONTRACTOR/OFFEROR 15C. DATE

SIGNED

BY

(Signature of Contracting Officer)(Signature of person authorized to sign)

15A NAME AND TITLE OF SIGNER (Type or print) 16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)

The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offers extended. Offers must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended, by one of the following methods:

is not

(a) By completing Items 8 and 15, and returning copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted; or (c) By separate letter or telegram which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGEMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR OFFER. If by virtue of this amendment your desire to change an offer already submitted, such change may be made by telegram or letter, provided each telegram or letter makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

12. ACCOUNTING AND APPROPRIATION DATA (If required)

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS,

IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation

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Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE CONTRACT ORDER NO.

IN ITEM 10A.

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4. REQUISITION/PURCHASE REQ. NO.

1 42

AMENDMENT/MODIFICATION

P00003

NASA

Armstrong Flight Research Center P.O. Box 273, M/S 4811-140 Edwards CA 93523-0273

NASA

Armstrong Flight Research Center P.O. Box 273, M/S 4811-140 Edwards CA 93523-0273

X

X

See Continuation Sheet If Applicable date, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(b).

CHECK ONE

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See Continuation Sheet If Applicable

X

09/11/2017

80AFRC17B0005

(A)

ITEM NO.

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SUPPLIES/SERVICES

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QUANTITY

(D)

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REFERENCE NO. OF DOCUMENT BEING CONTINUED Page 2 of 42

NAME OF OFFEROR OR CONTRACTOR

OPTIONAL FORM 336 (4-86)

Sponsored by GSA FAR (48 CFR) 53.110

80AFRC17B0005P00003

This is an amendment to the solicitation.

The following changes have been made to the solicitation:

1. The "Questions and Answers: Amendment 3" document, dated 9/11/2017, has been added.

2. Delete Specifications Section 23 07 00 in its entirety and replace with attached Specifications Section 23 07 00 to incorporate insulation thickness requirements to be used for pipe and ductwork insulation.

Questions and Answers: Amendment 3

9/11/2017

Question 1. The provided insulation specification that doesn’t include specify the insulation thickness requirements or materials to be used for pipe and ductwork insulation. Please provide a specification section with execution charts showing the insulation materials and thicknesses required.

Answer 1. The updated Specification Section 23 07 00 to incorporate insulation thickness requirements to be used for pipe and ductwork insulation has been added.

Question 2. This is going to be a tough pull, but still would need to know if the draw-out breakers are

Siemens SBS/SBA breakers or WL breakers.

Answer 2. The circuit breakers are Siemens SBA breakers.

Revitalize Mission Control Electrical Systems B4800ELEC

SECTION 23 07 00

THERMAL INSULATION FOR MECHANICAL SYSTEMS

02/13

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.

AMERICAN SOCIETY OF HEATING, REFRIGERATING AND AIR-CONDITIONING

ENGINEERS (ASHRAE)

ASHRAE 90.1 - IP (2016) Energy Standard for Buildings

Except Low-Rise Residential Buildings

ASTM INTERNATIONAL (ASTM)

ASTM A167 (2011) Standard Specification for

Stainless and Heat-Resisting

Chromium-Nickel Steel Plate, Sheet, and

Strip

ASTM A240/A240M (2016) Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

ASTM B209 (2014) Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate

ASTM C1126 (2014) Standard Specification for Faced or

Unfaced Rigid Cellular Phenolic Thermal

Insulation

ASTM C1136 (2012) Standard Specification for

Flexible, Low Permeance Vapor Retarders for Thermal Insulation

ASTM C1710 (2011) Standard Guide for Installation of

Flexible Closed Cell Preformed Insulation in Tube and Sheet Form

ASTM C195 (2007; R 2013) Standard Specification for

Mineral Fiber Thermal Insulating Cement

ASTM C450 (2008) Standard Practice for Fabrication of Thermal Insulating Fitting Covers for

NPS Piping, and Vessel Lagging

ASTM C533 (2013) Standard Specification for Calcium

SECTION 23 07 00 Page 1

Silicate Block and Pipe Thermal Insulation

ASTM C534/C534M (2016) Standard Specification for

Preformed Flexible Elastomeric Cellular

Thermal Insulation in Sheet and Tubular

Form

ASTM C547 (2015) Standard Specification for Mineral

Fiber Pipe Insulation

ASTM C552 (2016a) Standard Specification for

Cellular Glass Thermal Insulation

ASTM C610 (2015) Standard Specification for Molded

Expanded Perlite Block and Pipe Thermal

Insulation

ASTM C795 (2008; R 2013) Standard Specification for

Thermal Insulation for Use in Contact with

Austenitic Stainless Steel

ASTM C916 (2014) Standard Specification for

Adhesives for Duct Thermal Insulation

ASTM C920 (2014a) Standard Specification for

Elastomeric Joint Sealants

ASTM D5590 (2000; R 2010; E 2012) Standard Test

Method for Determining the Resistance of

Paint Films and Related Coatings to Fungal

Defacement by Accelerated Four-Week Agar

Plate Assay

ASTM E2231 (2015) Specimen Preparation and Mounting of Pipe and Duct Insulation Materials to

Assess Surface Burning Characteristics

ASTM E84 (2016) Standard Test Method for Surface

Burning Characteristics of Building

Materials

ASTM E96/E96M (2016) Standard Test Methods for Water

Vapor Transmission of Materials

FM GLOBAL (FM)

FM APP GUIDE (updated on-line) Approval Guide http://www.approvalguide.com/

MANUFACTURERS STANDARDIZATION SOCIETY OF THE VALVE AND FITTINGS

INDUSTRY (MSS)

MSS SP-58 (1993; Reaffirmed 2010) Pipe Hangers and

Supports - Materials, Design and

Manufacture, Selection, Application, and

Installation

SECTION 23 07 00 Page 2

MIDWEST INSULATION CONTRACTORS ASSOCIATION (MICA)

MICA Insulation Stds (1999) National Commercial & Industrial

Insulation Standards

NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

NFPA 90A (2015) Standard for the Installation of

Air Conditioning and Ventilating Systems

NFPA 90B (2015) Standard for the Installation of

Warm Air Heating and Air Conditioning

Systems

U.S. DEPARTMENT OF DEFENSE (DOD)

MIL-A-24179 (1969; Rev A; Am 2 1980; Notice 1 1987)

Adhesive, Flexible Unicellular-Plastic

Thermal Insulation

MIL-A-3316 (1987; Rev C; Am 2 1990) Adhesives, Fire-Resistant, Thermal Insulation

UNDERWRITERS LABORATORIES (UL)

UL 723 (2008; Reprint Aug 2013) Test for Surface

Burning Characteristics of Building

Materials

UL 94 (2013; Reprint Mar 2016) UL Standard for

Safety Tests for Flammability of Plastic

Materials for Parts in Devices and

Appliances

1.2 SYSTEM DESCRIPTION

1.2.1 General

Provide field-applied insulation and accessories on mechanical systems as specified herein; factory-applied insulation is specified under the piping, duct or equipment to be insulated. Field applied insulation materials required for use on Government-furnished items as listed in the SPECIAL

CONTRACT REQUIREMENTS shall be furnished and installed by the Contractor.

1.2.2 Recycled Materials

Provide thermal insulation containing recycled materials to the extent practicable, provided that the materials meet all other requirements of this section. The minimum recycled material content of the following insulation are:

Rock Wool 75 percent slag of weight

Fiberglass 20-25 percent glass cullet by weight

Rigid Foam 9 percent recovered material

SECTION 23 07 00 Page 3

1.3 SUBMITTALS

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

submittals not having a "G" designation are for Contractor Quality Control approval. Submittals with an "S" are for inclusion in the Sustainability eNotebook, in conformance to Section 01 33 29 SUSTAINABILITY REPORTING.

Submit the following in accordance with Section 01 33 00 SUBMITTAL

PROCEDURES:

Submit the three SD types, SD-02 Shop Drawings, SD-03 Product Data, and

SD-08 Manufacturer's Instructions at the same time for each system.

SD-02 Shop Drawings

MICA Plates; G

Pipe Insulation Systems and Associated Accessories

Duct Insulation Systems and Associated Accessories

Equipment Insulation Systems and Associated Accessories

SD-03 Product Data

Pipe Insulation Systems; G

Duct Insulation Systems; G

SD-04 Samples

Thermal Insulation; G

SD-08 Manufacturer's Instructions

Pipe Insulation Systems; G

Duct Insulation Systems; G

SD-11 Closeout Submittals

Reduce Volatile Organic Compounds (VOC) for Caulking, Sealant and

Adhesive Materials; S

Recycled Content for Pipe and Ductwork Insulation Materials; S

1.4 QUALITY ASSURANCE

1.4.1 Installer Qualification

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

1.5 DELIVERY, STORAGE, AND HANDLING

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. 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, date codes, and approximate shelf life (if applicable). Insulation packages and containers shall be asbestos free.

SECTION 23 07 00 Page 4

PART 2 PRODUCTS

2.1 PRODUCT SUSTAINABILITY CRITERIA

For products in this section, where applicable and to extent allowed by performance criteria, provide and document the following:

2.1.1 Reduce Volatile Organic Compounds (VOC) for Caulking, Sealant and

Adhesive Materials

For interior applications, provide caulking, sealant and adhesive materials meeting the reduced VOC requirements as stated within Section 01 33 29

SUSTAINABILITY REPORTING paragraph REDUCE VOLATILE ORGANIC COMPOUNDS (VOC).

2.1.2 Recycled Content for Pipe and Ductwork Insulation Materials

Provide documentation in conformance with Section 01 33 29 SUSTAINABILITY

REPORTING that the following products meet the recycled content requirements as outlined in this section:

a. Pipe Insulation Systems

b. Duct Insulation Systems

2.2 STANDARD PRODUCTS

Provide materials which are the standard products of manufacturers regularly engaged in the manufacture of such products and that essentially duplicate items that have been in satisfactory use for at least 2 years prior to bid opening. Submit 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 including adhesives, sealants and jackets for each mechanical system requiring insulation shall be included.

The product data must be copyrighted, have an identifying or publication number, and shall have been published prior to the issuance date of this solicitation. Materials furnished under this section shall be submitted together in a booklet.

2.2.1 Insulation System

Provide insulation systems in accordance with the approved MICA National

Insulation Standards plates as supplemented by this specification. Provide field-applied insulation for heating, ventilating, and cooling (HVAC) air distribution systems and piping systems that are located within, on, under, and adjacent to buildings; and for plumbing systems. Provide CFC and HCFC free insulation.

2.2.2 Surface Burning Characteristics

Unless otherwise specified, insulation must have a maximum flame spread index of 25 and a maximum smoke developed index of 50 when tested in accordance with ASTM E84. Flame spread, and smoke developed indexes, shall be determined by ASTM E84 or UL 723. Test insulation in the same density and installed thickness as the material to be used in the actual construction. Prepare and mount test specimens according to

ASTM E2231.

SECTION 23 07 00 Page 5

2.3 MATERIALS

Provide insulation that meets or exceed the requirements of ASHRAE 90.1 - IP.

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 C795 requirements. Calcium silicate shall not be used on chilled or cold water systems. Materials shall be asbestos free. Provide product recognized under UL 94 (if containing plastic) and listed in FM APP GUIDE.

2.3.1 Adhesives

2.3.1.1 Acoustical Lining Insulation Adhesive

Adhesive shall be a nonflammable, fire-resistant adhesive conforming to

ASTM C916, Type I.

2.3.1.2 Mineral Fiber Insulation Cement

Cement shall be in accordance with ASTM C195.

2.3.1.3 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. To resist mold/mildew, lagging adhesive shall meet ASTM D5590 with 0 growth rating. 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 E84. 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 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.

2.3.1.4 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 E84. 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. Flexible

Elastomeric Adhesive: Comply with MIL-A-24179, Type II, Class I. Provide product listed in FM APP GUIDE.

2.3.2 Caulking

ASTM C920, Type S, Grade NS, Class 25, Use A.

SECTION 23 07 00 Page 6

2.3.3 Corner Angles

Nominal 0.016 inch aluminum 1 by 1 inch with factory applied kraft backing. Aluminum shall be ASTM B209, Alloy 3003, 3105, or 5005.

2.3.4 Fittings

Fabricated Fittings are the prefabricated fittings for flexible elastomeric pipe insulation systems in accordance with ASTM C1710. Together with the flexible elastomeric tubes, they provide complete system integrity for retarding heat gain and controlling condensation drip from chilled-water and refrigeration systems. Flexible elastomeric, fabricated fittings provide thermal protection (0.25 k) and condensation resistance (0.05 Water

Vapor Transmission factor). For satisfactory performance, properly installed protective vapor retarder/barriers and vapor stops shall be used on high relative humidity and below ambient temperature applications to reduce movement of moisture through or around the insulation to the colder interior surface.

2.3.5 Finishing Cement

ASTM C450: Mineral fiber hydraulic-setting thermal insulating and finishing cement. All cements that may come in contact with Austenitic stainless steel must comply with ASTM C795.

2.3.6 Fibrous Glass Cloth and Glass Tape

Fibrous glass cloth, with 20X20 maximum mesh size, and glass tape shall have maximum flame spread index of 25 and a maximum smoke developed index of 50 when tested in accordance with ASTM E84. Tape shall be 4 inch wide rolls. Class 3 tape shall be 4.5 ounces/square yard. Elastomeric Foam

Tape: Black vapor-retarder foam tape with acrylic adhesive containing an anti-microbial additive.

2.3.7 Staples

Outward clinching type ASTM A167, Type 304 or 316 stainless steel.

2.3.8 Jackets

2.3.8.1 Vapor Barrier/Weatherproofing Jacket

Vapor barrier/weatherproofing jacket shall be laminated self-adhesive, greater than 3 plies standard grade, silver, white, black and embossed or greater than 8 ply (minimum 2.9 mils adhesive); with 0.0000 permeability when tested in accordance with ASTM E96/E96M, using the water transmission rate test method; heavy duty, white or natural; and UV resistant. Flexible

Elastomeric exterior foam with factory applied, UV Jacket made with a cold weather acrylic adhesive. Construction of laminate designed to provide UV resistance, high puncture, tear resistance and excellent Water Vapor

Transmission (WVT) rate.

2.3.9 Insulation Bands

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

SECTION 23 07 00 Page 7

2.3.10 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 permeance of 0.02 perms based on Procedure B for ASTM E96/E96M, and a maximum flame spread index of 25 and a maximum smoke developed index of 50 when tested in accordance with ASTM E84.

2.4 PIPE INSULATION SYSTEMS

Conform insulation materials to Table 1 and minimum insulation thickness as listed in Table 2 and meet or exceed the requirements of ASHRAE 90.1 - IP.

Comply with EPA requirements for material with recycled content in accordance with Section 01 33 29 SUSTAINABILITY REPORTING, paragraph

RECYCLED CONTENT. Limit pipe insulation materials to those listed herein and meeting the following requirements:

2.4.1 Aboveground Cold Pipeline ( -30 to 60 deg. F)

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

2.4.1.1 Cellular Glass

ASTM C552, Type II, and Type III. Supply the insulation from the fabricator with (paragraph WHITE VAPOR RETARDER ALL SERVICE JACKET (ASJ))

ASJ vapor retarder and installed with all longitudinal overlaps sealed and all circumferential joints ASJ taped or supply the insulation unfaced from the fabricator and install with all longitudinal and circumferential joints sealed with vapor barrier mastic.

2.4.1.2 Flexible Elastomeric Cellular Insulation

Closed-cell, foam- or expanded-rubber materials containing anti-microbial additive, complying with ASTM C534/C534M, Grade 1, Type I or II. Type I, Grade 1 for tubular materials. Type II, Grade 1, for sheet materials.

Type I and II shall have vapor retarder/vapor barrier skin on one or both sides of the insulation, and require an additional exterior vapor retarder covering for high relative humidity and below ambient temperature applications.

2.4.1.3 Mineral Fiber Insulation with Integral Wicking Material (MFIWM)

ASTM C547. Install in accordance with manufacturer's instructions. Do not use in applications exposed to outdoor ambient conditions in climatic zones

1 through 4.

2.4.2 Aboveground Hot Pipeline (Above 60 deg. F)

Insulation for outdoor, indoor, exposed or concealed applications shall meet the following requirements. Supply the insulation with manufacturer's recommended factory-applied jacket/vapor barrier.

2.4.2.1 Mineral Fiber

ASTM C547, Types I, II or III, supply the insulation with manufacturer's recommended factory-applied jacket.

SECTION 23 07 00 Page 8

2.4.2.2 Calcium Silicate

ASTM C533, Type I indoor only, or outdoors above 250 degrees F pipe temperature. Supply insulation with the manufacturer's recommended factory-applied jacket/vapor barrier.

2.4.2.3 Cellular Glass

ASTM C552, Type II and Type III. Supply the insulation with manufacturer's recommended factory-applied jacket.

2.4.2.4 Flexible Elastomeric Cellular Insulation

Closed-cell, foam- or expanded-rubber materials containing anti-microbial additive, complying with ASTM C534/C534M, Grade 1, Type I or II to 220 degrees F service. Type I for tubular materials. Type II for sheet materials.

2.4.2.5 Phenolic Insulation

ASTM C1126 Type III to 250 degrees F service shall comply with ASTM C795.

Supply the insulation with manufacturer's recommended factory-applied jacket/vapor barrier.

2.4.2.6 Perlite Insulation

ASTM C610

2.4.3 Aboveground Dual Temperature Pipeline

Selection of insulation for use over a dual temperature pipeline system

(Outdoor, Indoor - Exposed or Concealed) shall be in accordance with the most limiting/restrictive case. Find an allowable material from paragraph

PIPE INSULATION MATERIALS and determine the required thickness from the most restrictive case. Use the thickness listed in paragraphs INSULATION

THICKNESS for cold & hot pipe applications.

2.4.4 Below-ground Pipeline Insulation

For below-ground pipeline insulation, use cellular glass, ASTM C552, type

II.

2.5 DUCT INSULATION SYSTEMS

2.5.1 Factory Applied Insulation

Provide factory-applied ASTM C534/C534M Grade 1, Type II, flexible elastomeric closed cell insulation according to manufacturer's recommendations for insulation with insulation manufacturer's standard reinforced fire-retardant vapor barrier, with identification of installed thermal resistance (R) value and out-of-package R value.

2.5.1.1 Rigid Insulation

Calculate the minimum thickness in accordance with ASHRAE 90.1 - IP.

2.5.1.2 Blanket Insulation

Calculate minimum thickness in accordance with ASHRAE 90.1 - IP.

SECTION 23 07 00 Page 9

2.5.2 Acoustical Duct Lining

2.5.2.1 General

For ductwork indicated or specified in Section 23 00 00 AIR SUPPLY, DISTRIBUTION, VENTILATION, AND EXHAUST SYSTEM to be acoustically lined, provide external insulation in accordance with this specification section and in addition to the acoustical duct lining. Do not use acoustical lining in place of duct wrap or rigid board insulation (insulation on the exterior of the duct).

2.5.2.2 Duct Liner

Flexible Elastomeric Acoustical and Conformable Duct Liner Materials:

Flexible Elastomeric Thermal, Acoustical and Conformable Insulation

Compliance with ASTM C534/C534M Grade 1, Type II; and NFPA 90A or NFPA 90B as applicable.

2.5.3 Duct Insulation Jackets

2.5.3.1 All-Purpose Jacket

Provide insulation with insulation manufacturer's standard reinforced fire-retardant jacket with or without integral vapor barrier as required by the service. In exposed locations, provide jacket with a white surface suitable for field painting.

2.5.3.2 Metal Jackets

2.5.3.2.1 Aluminum Jackets

ASTM B209, Temper H14, minimum thickness of 27 gauge (0.016 inch), with factory-applied polyethylene and kraft paper moisture barrier on inside surface. Provide smooth surface jackets for jacket outside dimension 8 inches and larger. Provide corrugated surface jackets for jacket outside dimension 8 inches and larger. Provide stainless steel bands, minimum width of 1/2 inch.

2.5.3.2.2 Stainless Steel Jackets

ASTM A167 or ASTM A240/A240M; Type 304, minimum thickness of 33 gauge (

0.010 inch), smooth surface with factory-applied polyethylene and kraft paper moisture barrier on inside surface. Provide stainless steel bands, minimum width of 1/2 inch.

2.5.3.3 Vapor Barrier/Weatherproofing Jacket

Vapor barrier/weatherproofing jacket shall be laminated self-adhesive

(minimum 2 mils adhesive, 3 mils embossed) less than 0.0000 permeability, (greater than 3 ply, standard grade, silver, white, black and embossed or greater than 8 ply (minimum 2.9 mils adhesive), heavy duty white or natural).

2.5.4 Weatherproof Duct Insulation

Provide ASTM C534/C534M Grade 1, Type II, flexible elastomeric cellular insulation, and weatherproofing as specified in manufacturer's instruction. Multi-ply, Polymeric Blend Laminate Jacketing: Construction

SECTION 23 07 00 Page 10 of laminate designed to provide UV resistance, high puncture, tear resistance and an excellent WVT rate.

2.6 EQUIPMENT INSULATION SYSTEMS

Insulate equipment and accessories as specified in Tables 5 and 6. In outside locations, provide insulation 1/2 inch thicker than specified.

Increase the specified insulation thickness for equipment where necessary to equal the thickness of angles or other structural members to make a smooth, exterior surface. Submit a booklet containing manufacturer's published installation instructions for the insulation systems. The instructions must be copyrighted, have an identifying or publication number, and shall have been published prior to the issuance date of this solicitation. A booklet is also required by paragraphs titled: Pipe

Insulation Systems and Duct Insulation Systems.

PART 3 EXECUTION

3.1 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.

3.1.1 Installation

Except as otherwise specified, material shall be installed in accordance with the manufacturer's written instructions. 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.

3.1.2 Firestopping

Where pipes and ducts pass through fire walls, fire partitions, above grade floors, and fire rated chase walls, the penetration shall be sealed with fire stopping materials as specified in Section 07 84 00 FIRESTOPPING. The protection of ducts at point of passage through firewalls must be in accordance with NFPA 90A and/or NFPA 90B. All other penetrations, such as piping, conduit, and wiring, through firewalls must be protected with a material or system of the same hourly rating that is listed by UL, FM, or a

NRTL.

3.1.3 Installation of Flexible Elastomeric Cellular Insulation

Install flexible elastomeric cellular insulation with seams and joints sealed with rubberized contact adhesive. Flexible elastomeric cellular

SECTION 23 07 00 Page 11 insulation shall not be used on surfaces greater than 220 degrees F.

Stagger seams when applying multiple layers of insulation. Protect insulation exposed to weather and not shown to have vapor barrier weatherproof jacketing with two coats of UV resistant finish or PVC or metal jacketing as recommended by the manufacturer after the adhesive is dry and cured.

3.1.3.1 Adhesive Application

Apply a brush coating of adhesive to both butt ends to be joined and to both slit surfaces to be sealed. Allow the adhesive 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.

3.1.3.2 Adhesive Safety Precautions

Use natural cross-ventilation, local (mechanical) pickup, and/or general area (mechanical) ventilation 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.

3.1.4 Welding

No welding shall be done on piping, duct or equipment without written approval of the Contracting Officer.

3.1.5 Pipes/Ducts/Equipment That Require Insulation

Insulation is required on all pipes, ducts, or equipment, except for omitted items as specified.

3.2 PIPE INSULATION SYSTEMS INSTALLATION

3.2.1 Pipe Insulation

3.2.1.1 General

Pipe insulation shall be installed on aboveground hot and cold pipeline systems as specified below to form a continuous thermal retarder/barrier, 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. Pipe insulation shall be omitted on the following:

a. Pipe used solely for fire protection.

b. Chromium plated pipe to plumbing fixtures. However, fixtures for use by the physically handicapped shall have the hot water supply and drain, including the trap, insulated where exposed.

c. Sanitary drain lines.

d. Air chambers.

SECTION 23 07 00 Page 12

e. Adjacent insulation.

f. ASME stamps.

g. Access plates of fan housings.

h. Cleanouts or handholes.

3.2.1.2 Pipes Passing Through Walls, Roofs, and Floors

Pipe insulation shall be continuous through the sleeve.

Provide an aluminum jacket or vapor barrier/weatherproofing self adhesive jacket (minimum 2 mils adhesive, 3 mils embossed) less than 0.0000 permeability, greater than 3 ply standard grade, silver, white, black and embossed with factory applied moisture retarder over the insulation wherever penetrations require sealing.

3.2.1.2.1 Penetrate Interior Walls

The aluminum jacket or vapor barrier/weatherproofing - self adhesive jacket

(minimum 2 mils adhesive, 3 mils embossed) less than 0.0000 permeability, greater than 3 plies standard grade, silver, white, black and embossed shall extend 2 inches beyond either side of the wall and shall be secured on each end with a band.

3.2.1.2.2 Penetrating Floors

Extend the aluminum jacket from a point below the backup material to a point

10 inches above the floor with one band at the floor and one not more than

1 inch from the end of the aluminum jacket.

3.2.1.2.3 Penetrating Waterproofed Floors

Extend the aluminum jacket rom below the backup material to a point 2 inches above the flashing with a band 1 inch from the end of the aluminum jacket.

3.2.1.2.4 Penetrating Exterior Walls

Continue the aluminum jacket required for pipe exposed to weather through the sleeve to a point 2 inches beyond the interior surface of the wall.

3.2.1.2.5 Penetrating Roofs

Insulate pipe as required for interior service to a point flush with the top of the flashing and sealed with flashing sealant. Tightly butt the insulation for exterior application to the top of flashing and interior insulation. Extend the exterior aluminum jacket 2 inches down beyond the end of the insulation to form a counter flashing. Seal the flashing and counter flashing underneath with metal jacketing/flashing sealant.

3.2.1.2.6 Hot Water Pipes Supplying Lavatories or Other Similar Heated

Service

Terminate the insulation on the backside of the finished wall. Protect the insulation termination with two coats of vapor barrier coating with a minimum total thickness of 1/16 inch applied with glass tape embedded between coats (if applicable). Extend the coating out onto the insulation

SECTION 23 07 00 Page 13

2 inches and seal the end of the insulation. Overlap glass tape seams 1 inch. Caulk the annular space between the pipe and wall penetration with approved fire stop material. Cover the pipe and wall penetration with a properly sized (well fitting) escutcheon plate. The escutcheon plate shall overlap the wall penetration at least 3/8 inches.

3.2.1.2.7 Domestic Cold Water Pipes Supplying Lavatories or Other Similar

Cooling Service

Terminate the insulation on the finished side of the wall (i.e., insulation must cover the pipe throughout the wall penetration). Protect the insulation with two coats of weather barrier mastic (breather emulsion type weatherproof mastic impermeable to water and permeable to air) with a minimum total thickness of 1/16 inch. Extend the mastic out onto the insulation 2 inches and shall seal the end of the insulation. The annular space between the outer surface of the pipe insulation and caulk the wall penetration with an approved fire stop material having vapor retarder properties. Cover the pipe and wall penetration with a properly sized

(well fitting) escutcheon plate. The escutcheon plate shall overlap the wall penetration by at least 3/8 inches.

3.2.1.3 Pipes Passing Through Hangers

Insulation, whether hot or cold application, shall be continuous through hangers. All horizontal pipes 2 inches and smaller shall be supported on hangers with the addition of a Type 40 protection shield to protect the insulation in accordance with MSS SP-58. Whenever insulation shows signs of being compressed, or when the insulation or jacket shows visible signs of distortion at or near the support shield, insulation inserts as specified below for piping larger than 2 inches shall be installed, or factory insulated hangers (designed with a load bearing core) can be used.

3.2.1.3.1 Horizontal Pipes Larger Than 2 Inches at 60 Degrees F and Above

Supported on hangers in accordance with MSS SP-58, and Section 22 00 00

PLUMBING, GENERAL PURPOSE.

3.2.1.3.2 Horizontal Pipes Larger Than 2 Inches and Below 60 Degrees F

Supported on hangers with the addition of a Type 40 protection shield in accordance with MSS SP-58. An insulation insert of cellular glass, prefabricated insulation pipe hangers, or perlite above 80 degrees F shall be installed above each shield. The insert shall cover not less than the bottom 180-degree arc of the pipe. Inserts shall be the same thickness as the insulation, and shall extend 2 inches on each end beyond the protection shield. When insulation inserts are required in accordance with the above, and the insulation thickness is less than 1 inch, wooden or cork dowels or blocks may be installed between the pipe and the shield to prevent the weight of the pipe from crushing the insulation, as an option to installing insulation inserts. The insulation jacket shall be continuous over the wooden dowel, wooden block, or insulation insert.

3.2.1.3.3 Vertical Pipes

Supported with either Type 8 or Type 42 riser clamps with the addition of two Type 40 protection shields in accordance with MSS SP-58 covering the

360-degree arc of the insulation. An insulation insert of cellular glass or calcium silicate shall be installed between each shield and the pipe.

The insert shall cover the 360-degree arc of the pipe. Inserts shall be

SECTION 23 07 00 Page 14 the same thickness as the insulation, and shall extend 2 inches on each end beyond the protection shield. When insulation inserts are required in accordance with the above, and the insulation thickness is less than 1 inch, wooden or cork dowels or blocks may be installed between the pipe and the shield to prevent the hanger from crushing the insulation, as an option instead of installing insulation inserts. The insulation jacket shall be continuous over the wooden dowel, wooden block, or insulation insert. The vertical weight of the pipe shall be supported with hangers located in a horizontal section of the pipe. When the pipe riser is longer than 30 feet, the weight of the pipe shall be additionally supported with hangers in the vertical run of the pipe that are directly clamped to the pipe, penetrating the pipe insulation. These hangers shall be insulated and the insulation jacket sealed as indicated herein for anchors in a similar service.

3.2.1.3.4 Inserts

Covered with a jacket material of the same appearance and quality as the adjoining pipe insulation jacket, overlap the adjoining pipe jacket 1-1/2 inches, and seal as required for the pipe jacket. The jacket material used to cover inserts in flexible elastomeric cellular insulation shall conform to ASTM C1136, Type 1, and is allowed to be of a different material than the adjoining insulation material.

3.2.1.4 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. Type II requires an additional exterior vapor retarder/barrier covering for high relative humidity and below ambient temperature applications.

3.2.1.5 Pipes in high abuse areas.

In high abuse areas such as janitor closets and traffic areas in equipment rooms, kitchens, and mechanical rooms, stainless steel, aluminum or flexible laminate cladding (comprised of elastomeric, plastic or metal foil laminate) laminated self-adhesive (minimum 2 mils adhesive, 3 mils embossed) vapor barrier/weatherproofing jacket, - less than 0.0000 permeability; (greater than 3 ply, standard grade, silver, white, black and embossed) aluminum jackets shall be utilized. Pipe insulation to the 6 foot level shall be protected.

3.2.1.6 Pipe Insulation Material and Thickness

Pipe insulation materials must be as listed in Table 1 and must meet or exceed the requirements of ASHRAE 90.1 - IP.

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TABLE 1

Insulation Material for Piping

Service

Material Specification Type Class VR/VB

Req'd

Chilled Water (Supply & Return, Dual Temperature Piping, 40 F nominal)

Cellular Glass ASTM C552 II 2 Yes

Flexible Elastomeric

Cellular

ASTM C534/C534M I Yes

Heating Hot Water Supply & Return, Heated Oil (Max 250 F)

Mineral Fiber ASTM C547 I 1 No

Calcium Silicate ASTM C533 I No

Cellular Glass ASTM C552 II 2 No

Faced Phenolic Foam ASTM C1126 III Yes

Perlite ASTM C610 No

Flexible Elastomeric

Cellular

ASTM C534/C534M I 2 No

Cold Domestic Water Piping, Makeup Water & Drinking Fountain Drain Piping

Cellular Glass ASTM C552 II 2 No

Flexible Elastomeric

Cellular

ASTM C534/C534M I No

Hot Domestic Water Supply & Recirculating Piping (Max 200 F)

Mineral Fiber ASTM C547 I 1 No

Cellular Glass ASTM C552 II 2 No

Flexible Elastomeric

Cellular

ASTM C534/C534M I No

Faced Phenolic Foam ASTM C1126 III Yes

Refrigerant Suction Piping (35 degrees F nominal)

Flexible Elastomeric

Cellular

ASTM C534/C534M I No

Cellular Glass ASTM C552 II 1 Yes

Compressed Air Discharge, Steam and Condensate Return (201 to 250

Degrees F

Cellular Glass ASTM C552 II No

Mineral Fiber ASTM C547 I 1 No

Calcium Silicate ASTM C533 I No

Faced Phenolic Foam ASTM C1126 III Yes

Perlite ASTM C610 No

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Insulation Material for Piping

Service

Material Specification Type Class VR/VB

Req'd

Flexible Elastomeric

Cellular

ASTM C534/C534M I 2 No

Exposed Lavatory Drains, Exposed Domestic Water Piping & Drains to Areas for Handicapped Personnel

Flexible Elastomeric

Cellular

ASTM C534/C534M I No

Horizontal Roof Drain Leaders (Including Underside of Roof Drain

Fittings)

Flexible Elastomeric

Cellular

ASTM C534/C534M I No

Faced Phenolic Foam ASTM C1126 III Yes

Cellular Glass ASTM C552 III Yes

Condensate Drain Located Inside Building

Cellular Glass ASTM C552 II 2 No

Flexible Elastomeric

Cellular

ASTM C534/C534M I No

Medium Temperature Hot Water, Steam and Condensate (251 to 350 Degrees F)

Mineral Fiber ASTM C547 I 1 No

Calcium Silicate ASTM C533 I No

Cellular Glass ASTM C552 I or

II

No

Perlite ASTM C610 No

Flexible Elastomeric

Cellular

ASTM C534/C534M I 2 No

High Temperature Hot Water & Steam (351 to 700 Degrees F)

Mineral Fiber ASTM C547 I 2 No

Calcium Silicate ASTM C533 I No

Perlite ASTM C610 No

Cellular Glass ASTM C552 No

Brine Systems Cryogenics (-30 to 0 Degrees F)

Cellular Glass ASTM C552 II 2 No

Flexible Elastomeric

Cellular

ASTM C534/C534M I No

Brine Systems Cryogenics (0 to 34 Degrees F)

SECTION 23 07 00 Page 17

Insulation Material for Piping

Service

Material Specification Type Class VR/VB

Req'd

Cellular Glass ASTM C552 II 2 No

Flexible Elastomeric

Cellular

ASTM C534/C534M I No

Note: VR/VB = Vapor Retarder/Vapor Barrier

TABLE 2

Piping Insulation Thickness (inch)

Do not use integral wicking material in Chilled water applications exposed to outdoor ambient conditions in climatic zones 1 through 4.

Service

Material Tube And Pipe Size (inch)

<1 1-<1.5 1.5-<4 4-<8 > or = >8

Chilled Water (Supply & Return, Dual Temperature Piping, 40 Degrees F nominal)

Cellular Glass 1.5 2 2 2.5 3

Mineral Fiber with Wicking

Material

1 1.5 1.5 2 2

Flexible Elastomeric

Cellular

1 1 1 N/A N/A

Chilled Water (Supply & Return, Dual Temperature Piping, 40 Degrees F nominal)

Cellular Glass 1.5 1.5 1.5 1.5 2

Flexible Elastomeric

Cellular

1 1 1 N/A N/A

Mineral Fiber with Wicking

Material

1 1.5 1.5 2 2

Heating Hot Water Supply & Return, Heated Oil (Max 250 F)

Mineral Fiber 1.5 1.5 2 2 2

Calcium Silicate 2.5 2.5 3 3 3

Cellular Glass 2 2.5 3 3 3

SECTION 23 07 00 Page 18

TABLE 2

Piping Insulation Thickness (inch)

Do not use integral wicking material in Chilled water applications exposed to outdoor ambient conditions in climatic zones 1 through 4.

Service

Material Tube And Pipe Size (inch)

<1 1-<1.5 1.5-<4 4-<8 > or = >8

Perlite 2.5 2.5 3 3 3

Flexible Elastomeric

Cellular

1 1 1 N/A N/A

Cold Domestic Water Piping, Makeup Water & Drinking Fountain Drain Piping

Cellular Glass 1.5 1.5 1.5 1.5 1.5

Flexible Elastomeric

Cellular

1 1 1 N/A N/A

Hot Domestic Water Supply & Recirculating Piping (Max 200 F)

Mineral Fiber 1 1 1 1.5 1.5

Cellular Glass 1.5 1.5 1.5 2 2

Flexible Elastomeric

Cellular

1 1 1 N/A N/A

Refrigerant Suction Piping (35 degrees F nominal)

Flexible Elastomeric

Cellular

1 1 1 N/A N/A

Cellular Glass 1.5 1.5 1.5 1.5 1.5

Compressed Air Discharge, Steam and Condensate Return (201 to 250

Degrees F

Mineral Fiber 1.5 1.5 2 2 2

1.5* 2* 2.5* 3* 3.5*

Calcium Silicate 2.5 3 4 4 4.5

Cellular Glass 2 2.5 3 3 3

Perlite 2.5 3 4 4 4.5

Flexible Elastomeric

Cellular

1 1 1 N/A N/A

SECTION 23 07 00 Page 19

Piping Insulation Thickness (inch)

Do not use integral wicking material in Chilled water applications exposed to outdoor ambient conditions in climatic zones 1 through 4.

Service

Material Tube And Pipe Size (inch)

<1 1-<1.5 1.5-<4 4-<8 > or = >8

Exposed Lavatory Drains, Exposed Domestic Water Piping & Drains to Areas for Handicapped Personnel

Flexible Elastomeric

Cellular

0.5 0.5 0.5 0.5 0.5

Horizontal Roof Drain Leaders (Including Underside of Roof Drain

Fittings)

Cellular Glass 1.5 1.5 1.5 1.5 1.5

Flexible Elastomeric

Cellular

1 1 1 N/A N/A

Faced Phenolic Foam 1 1 1 1 1

Condensate Drain Located Inside Building

Cellular Glass 1.5 1.5 1.5 1.5 1.5

Flexible Elastomeric

Cellular

1 1 1 N/A N/A

Medium Temperature Hot Water, Steam and Condensate (251 to 350 Degrees F)

Mineral Fiber 1.5 3 3 4 4

2.5* * 3.5*

Calcium Silicate 2.5 3.5 4.5 4.5 5

Perlite 2.5 3.5 4.5 4.5 5

Flexible Elastomeric

Cellular

1 1 1 N/A N/A

High Temperature Hot Water & Steam (351 to 700 Degrees F)

Mineral Fiber 2.5 3 3 4 4

Calcium Silicate 4 4.5 6 6 6

Perlite 4 4.5 6 6 6

SECTION 23 07 00 Page 20

Piping Insulation Thickness (inch)

Do not use integral wicking material in Chilled water applications exposed to outdoor ambient conditions in climatic zones 1 through 4.

Service

Material Tube And Pipe Size (inch)

<1 1-<1.5 1.5-<4 4-<8 > or = >8

Brine Systems Cryogenics (-30 to 0 Degrees F)

Cellular Glass 2.5 2.5 3 3 3.5

Flexible Elastomeric

Cellular

1 1 N/A N/A N/A

Brine Systems Cryogenics (0 to 34 Degrees F)

Cellular Glass 2 2 2 2.5 3

Flexible Elastomeric

Cellular

1 1 1 N/A N/A

3.2.2 Aboveground Cold Pipelines

The following cold pipelines for minus 30 to plus 60 degrees F, shall be insulated in accordance with Table 2 except those piping listed in subparagraph Pipe Insulation in PART 3 as to be omitted. This includes but is not limited to the following:

a. Make-up water.

b. Horizontal and vertical portions of interior roof drains.

c. Refrigerant suction lines.

d. Chilled water.

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

f. Air conditioner condensate drains.

g. Brine system cryogenics

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

3.2.2.1 Insulation Material and Thickness

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

SECTION 23 07 00 Page 21

3.2.2.2 Factory or Field applied Jacket

Insulation shall be covered with a factory applied vapor retarder jacket/vapor barrier or field applied seal welded PVC jacket or greater than 3 ply laminated self-adhesive (minimum 2 mils adhesive, 3 mils embossed) vapor barrier/weatherproofing jacket - less than 0.0000 permeability, standard grade, sliver, white, black and embossed for use with Mineral Fiber, Cellular Glass, and Phenolic Foam Insulated Pipe.

Insulation inside the building, to be protected with an aluminum jacket or greater than 3ply vapor barrier/weatherproofing self-adhesive (minimum 2 mils adhesive, 3 mils embossed) product, less than 0.0000 permeability, standard grade, Embossed Silver, White & Black, shall have the insulation and vapor retarder jacket installed as specified herein. The aluminum jacket or greater than 3ply vapor barrier/weatherproofing self-adhesive

(minimum 2 mils adhesive, 3 mils embossed) product, less than 0.0000 permeability, standard grade, embossed silver, White & Black, 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 or greater than 3ply vapor barrier/weatherproofing self-adhesive (minimum 2 mils adhesive, 3 mils embossed) product, less than 0.0000 permeability, standard grade, embossed silver, white & black, shall be provided for pipe insulation to the 6 ft level.

3.2.2.3 Installing Insulation for Straight Runs Hot and Cold Pipe

Apply insulation to the pipe with tight butt joints. Seal all butted joints and ends with joint sealant and seal with a vapor retarder coating, greater than 3 ply laminate jacket - less than 0.0000 perm adhesive tape or

PVDC adhesive tape.

3.2.2.3.1 Longitudinal Laps of the Jacket Material

Overlap not less than 1-1/2 inches. Provide butt strips 3 inches wide for circumferential joints.

3.2.2.3.2 Laps and Butt Strips

Secure with adhesive and staple on 4 inch centers if not factory self-sealing. If staples are used, seal in accordance with paragraph

STAPLES below. Note that staples are not required with cellular glass systems.

3.2.2.3.3 Factory Self-Sealing Lap Systems

May be used when the ambient temperature is between 40 and 120 degrees F during installation. Install the lap system in accordance with manufacturer's recommendations. Use a stapler only if specifically recommended by the manufacturer. Where gaps occur, replace the section or repair the gap by applying adhesive under the lap and then stapling.

3.2.2.3.4 Staples

Coat all staples, including those used to repair factory self-seal lap systems, with a vapor retarder coating or PVDC adhesive tape or greater than 3 ply laminate jacket - less than 0.0000 perm adhesive tape. Coat all seams, except those on factory self-seal systems, with vapor retarder coating or PVDC adhesive tape or greater than 3 ply laminate jacket - less

SECTION 23 07 00 Page 22 than 0.0000 perm adhesive tape.

3.2.2.3.5 Breaks and Punctures in the Jacket Material

Patch by wrapping a strip of jacket material around the pipe and secure it with adhesive, staple, and coat with vapor retarder coating or PVDC adhesive tape or greater than 3 ply laminate jacket - less than 0.0000 perm adhesive tape. Extend the patch not less than 1-1/2 inches past the break.

3.2.2.3.6 Penetrations Such as…