11005_SPECS_Final-EBS_04.13.12_Vol_2.pdf

UAS SATCOM RELAY PADS AND FACILITY 11005

PROJECT TABLE OF CONTENTS

DIVISION 00 - PROCUREMENT AND CONTRACTING REQUIREMENTS

00 01 15 LIST OF DRAWINGS

00 22 13 SUPPLEMENTARY INSTRUCTIONS TO BIDDERS

00 73 04 SUPPLEMENTARY CONDITIONS FOR PROJECTS IN MEDITERRANEAN

AREA

DIVISION 01 - GENERAL REQUIREMENTS

01 11 00 SUMMARY OF WORK

01 14 00.00 42 WORK RESTRICTIONS

01 20 00.00 20 PRICE AND PAYMENT PROCEDURES

01 30 00 ADMINISTRATIVE REQUIREMENTS

01 32 17.00 20 NETWORK ANALYSIS SCHEDULES (NAS)

01 33 00 SUBMITTAL PROCEDURES

01 33 29 LEED(TM) DOCUMENTATION

01 35 16.00 50 CUTTING AND PATCHING PROCEDURES

01 35 26 GOVERNMENTAL SAFETY REQUIREMENTS

01 45 00.00 20 QUALITY CONTROL

01 50 00 TEMPORARY CONSTRUCTION FACILITIES AND CONTROLS

01 57 19.00 42 TEMPORARY ENVIRONMENTAL CONTROLS

01 57 23 TEMPORARY STORM WATER POLLUTION CONTROL

01 58 00 PROJECT IDENTIFICATION

01 62 35 RECYCLED / RECOVERED MATERIALS

01 74 19 CONSTRUCTION AND DEMOLITION WASTE MANAGEMENT

01 78 00 CLOSEOUT SUBMITTALS

01 78 23 OPERATION AND MAINTENANCE DATA

01 91 13.00 50 GENERAL COMMISSIONING REQUIREMENTS

DIVISION 02 - EXISTING CONDITIONS

02 41 00.00 42 SITE DEMOLITION

DIVISION 03 - CONCRETE

03 30 00.00 42 CAST-IN-PLACE CONCRETE

03 49 00.00 50 GLASS-FIBER-REINFORCED-CONCRETE

DIVISION 05 - METALS

05 12 00.00 42 STRUCTURAL STEEL

05 31 00.00 42 STEEL DECKS

05 40 00.00 42 COLD-FORMED METAL FRAMING

05 50 00 METAL FABRICATIONS

DIVISION 06 - WOOD, PLASTICS, AND COMPOSITES

06 10 00.00 42 ROUGH CARPENTRY

06 20 00.00 42 FINISH CARPENTRY

DIVISION 07 - THERMAL AND MOISTURE PROTECTION

07 08 00.00 50 COMMISSIONING OF BUILDING ENVELOPE

07 21 13.00 42 BOARD INSULATION

07 21 16.00 42 MINERAL FIBER BLANKET INSULATION

07 22 00 ROOF AND DECK INSULATION

07 24 00 EXTERIOR INSULATION AND FINISH SYSTEMS

PROJECT TABLE OF CONTENTS Page 1

07 41 63 FABRICATED ROOF PANEL ASSEMBLIES

07 60 00.00 42 FLASHING AND SHEET METAL

07 72 20.00 42 ROOF ACCESSORIES

07 81 00 SPRAY-APPLIED FIREPROOFING

07 84 00 FIRESTOPPING

07 92 00.00 42 JOINT SEALANTS

07 95 00.00 50 EXPANSION CONTROL

DIVISION 08 - OPENINGS

08 11 13.00 42 STEEL DOORS AND FRAMES

08 11 16.00 42 ALUMINUM DOORS AND FRAMES

08 14 00.00 42 WOOD DOORS

08 31 13.00 50 ACCESS DOORS AND FRAMES

08 34 02 BULLET-RESISTANT COMPONENTS

08 34 80.00 42 VERTICAL BI-FOLD DOORS

08 51 13.00 42 ALUMINUM WINDOWS

08 56 73.00 50 SOUND CONTROL WINDOW

08 71 00.00 42 DOOR HARDWARE

08 81 00.00 42 GLAZING

08 91 00.00 42 METAL WALL LOUVERS

DIVISION 09 - FINISHES

09 22 00.00 42 METAL SUPPORT ASSEMBLIES

09 24 23 STUCCO

09 26 00 VENEER PLASTER

09 29 00.00 42 GYPSUM BOARD

09 30 00.00 42 TILING

09 51 00.00 42 ACOUSTICAL CEILINGS

09 65 10.00 42 RESILIENT FLOORING

09 68 16.00 42 CARPET

09 69 13 RIGID GRID ACCESS FLOORING

09 84 13.00 50 FIXED SOUND ABSORBING PANELS

09 90 00 PAINTS AND COATINGS

DIVISION 10 - SPECIALTIES

10 10 00 VISUAL COMMUNICATIONS SPECIALTIES

10 14 01 EXTERIOR SIGNAGE

10 14 02 INTERIOR SIGNAGE

10 21 13.00 42 TOILET PARTITIONS

10 22 26.33 FOLDING PANEL PARTITIONS

10 28 00.00 42 TOILET AND BATH ACCESSORIES

10 44 00.00 42 FIRE EXTINGUISHER CABINETS

10 51 29.00 42 PHENOLIC CLOTHING LOCKERS

10 90 00.00 50 MISCELLANEOUS SPECIALTIES

DIVISION 11 - EQUIPMENT

11 31 13 ELECTRIC KITCHEN EQUIPMENT

DIVISION 12 - FURNISHINGS

12 24 13 ROLLER WINDOW SHADES

12 48 16.00 50 WALK-OFF MAT

12 93 00.00 42 SITE FURNISHINGS

DIVISION 21 - FIRE SUPPRESSION

PROJECT TABLE OF CONTENTS Page 2

21 08 00.00 50 COMMISSIONING OF FIRE SUPPRESSION SYSTEMS

21 13 13.00 10 WET PIPE SPRINKLER SYSTEM, FIRE PROTECTION

DIVISION 22 - PLUMBING

22 00 00.00 42 PLUMBING SYSTEMS

22 08 00.00 50 COMMISSIONING OF PLUMBING SYSTEMS

22 15 13.00 42 LOW PRESSURE COMPRESSED AIR PIPING (NON-BREATHING AIR

TYPE)

22 33 30.00 10 SOLAR WATER HEATING EQUIPMENT

DIVISION 23 - HEATING, VENTILATING, AND AIR CONDITIONING

23 03 00.00 42 BASIC MECHANICAL MATERIALS AND METHODS

23 07 00.00 42 MECHANICAL INSULATION

23 08 00.00 42 HVAC TESTING/ADJUSTING/BALANCING

23 08 00.00 50 COMMISSIONING OF HVAC

23 08 93.00 42 INSPECTION, TESTING, AND CERTIFICATION OF BOILERS

23 09 23.13 20 BACnet DIRECT DIGITAL CONTROL SYSTEMS FOR HVAC

23 11 13.00 42 FUEL OIL PIPING AND PETROLEUM STORAGE TANK

23 20 23.00 42 CHILLED, CONDENSER, OR DUAL SERVICE WATER PIPING

23 30 13.00 42 DUCTWORK AND DUCTWORK ACCESSORIES

23 34 16.00 42 AIR HANDLING UNITS

23 52 46.00 42 LOW PRESSURE WATER HEATING BOILERS (OVER 234 kW OUTPUT)

23 64 00 PACKAGED WATER CHILLERS, ABSORPTION TYPE

23 65 00 COOLING TOWERS

23 66 00 CENTRAL REFRIGERATION EQUIPMENT FOR AIR CONDITIONING

23 81 00.00 42 UNITARY AIR CONDITIONING EQUIPMENT

23 81 23.00 20 COMPUTER ROOM AIR CONDITIONING UNITS

DIVISION 26 - ELECTRICAL

26 00 00.00 42 BASIC ELECTRICAL MATERIALS AND METHODS

26 08 00.00 42 APPARATUS INSPECTION AND TESTING

26 08 00.01 50 COMMISSIONING OF ELECTRICAL SYSTEMS

26 11 13.00 42 HIGH VOLTAGE/LOW VOLTAGE PREFABRICATED SUBSTATIONS

26 20 00.00 42 INTERIOR DISTRIBUTION SYSTEM

26 23 00.00 42 SWITCHBOARDS, LOW-VOLTAGE

26 24 13.00 42 LOW VOLTAGE SWITCHGEAR AND CONTROLGEAR

26 29 23.00 42 VARIABLE FREQUENCY DRIVE SYSTEMS UNDER 600 VOLTS

26 32 13.00 50 DIESEL ENGINE-GENERATOR SETS AND PARALLELING SWITCHGEAR

26 36 23.00 20 AUTOMATIC TRANSFER SWITCHES

26 41 00.00 42 LIGHTNING PROTECTION SYSTEM

26 51 00.00 42 INTERIOR LIGHTING

26 56 00.00 42 EXTERIOR LIGHTING

DIVISION 27 - COMMUNICATIONS

27 10 00.00 42 STRUCTURED TELECOMMUNICATIONS CABLING AND PATHWAY SYSTEM

27 54 00.00 42 COMMUNITY ANTENNA TELEVISION (CATV) SYSTEMS

DIVISION 28 - ELECTRONIC SAFETY AND SECURITY

28 31 76 INTERIOR FIRE ALARM AND MASS NOTIFICATION SYSTEM

DIVISION 31 - EARTHWORK

31 05 19 GEOTEXTILE

PROJECT TABLE OF CONTENTS Page 3

31 21 13.01 50 RADON TESTING

31 23 00.00 42 EXCAVATION AND FILL

31 31 16.00 42 SOIL TREATMENT FOR SUBTERRANEAN TERMITE CONTROL

DIVISION 32 - EXTERIOR IMPROVEMENTS

32 01 19 FIELD MOLDED SEALANTS FOR SEALING JOINTS IN RIGID

PAVEMENTS

32 05 33 LANDSCAPE ESTABLISHMENT

32 10 00.00 42 BITUMINOUS CONCRETE PAVEMENT

32 11 16 SUBBASES FOR PAVING

32 11 24.00 42 GRADED CRUSHED AGGREGATE BASE COURSE

32 12 12.06 42 PORTLAND CEMENT CONCRETE PAVEMENT FOR ROADS AND SITE

FACILITIES

32 12 19.00 42 UNIT PAVERS

32 31 13.00 42 CHAIN LINK FENCES AND GATES

32 92 19 SEEDING NATIVE WILDFLOWERS & GRASSES

32 92 23 SODDING

DIVISION 33 - UTILITIES

33 11 00.00 42 WATER DISTRIBUTION

33 11 23.00 42 NATURAL GAS AND LIQUID PETROLEUM PIPING

33 30 00.00 42 SANITARY SEWERAGE

33 40 01.00 42 STORM DRAINAGE

33 71 02.00 42 UNDERGROUND ELECTRICAL WORK

DIVISION 34 - TRANSPORTATION

34 71 13.19 ACTIVE VEHICLE BARRIERS

DIVISION 48 - ELECTRICAL POWER GENERATION

48 18 13.00 50 ELECTRICAL POWER GENERATION FUEL CELLS

-- End of Project Table of Contents --

PROJECT TABLE OF CONTENTS Page 4

SECTION 23 03 00.00 42

BASIC MECHANICAL MATERIALS AND METHODS

06/02

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 in the text by the basic designation only.

ITALIAN ELECTROTECHNICAL COMMITTEE (CEI)

CEI EN 60034-1 (2011) Rotating Electrical Machines - Part 1: Rating and Performance

ITALIAN LAWS AND NORMS

Law 447/95 (26/10/1995) Outline law on acoustic pollution

D.L. 242 (19 March 1996) Modifications and supplements to D.L. 19 September 1994, n.

626, containing accomplishment of EEC Directives concerning the improvement of safety and health of workers on the job sites (Official Gazette n. 104, 6 May 1996)

D.L. 81/2008 (09 April 2008) Operativeness of Art. 1 of Law 123, 3 August 2007 Concerning Health and Safety Protective Measures in the Workplaces

D.L. 17/2010 (27 January 2010) Implementation of Directive 2006/42/CE

D.M. 10/03/98 General rules for fire protection safety and for emergency administration in the working place

D.M. 37/08 (22 January 2008) Requirements for systems installations inside the buildings.

ITALIAN NATIONAL ASSOCIATION FOR THE UNIFICATION OF STANDARDS (UNI)

UNI EN 438-1 (2005) Decorative high-pressure laminates (HPL) - Sheets based on thermosetting resins - Introduction and General Information

UNI 5634 (1997) Identification systems for pipelines and canalizations conveying fluids

UNI EN ISO 9227 (2006) Corrosion tests in artificial atmospheres - Salt spray tests

SECTION 23 03 00.00 42 Page 1

1.2 RELATED REQUIREMENTS

This section applies to all sections of Division 23, "Heating, Ventilating, and Air conditioning" of this project specification, unless specified otherwise in the individual section.

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. The following shall be submitted in accordance with Section

01 33 00 SUBMITTAL PROCEDURES:

SD-03 Product Data

Low-VOC Adhesives and Sealants (LEED Credit IEQ 4); G

Manufacturers' product data for sealants, sealant primers, and adhesives used on the interior of the building (defined as inside of the weatherproofing system and applied on-site), including printed statement of VOC content in gram per liter less water and material safety data sheets. Submit in format provided in Section

01 33 29 LEEDTM DOCUMENTATION.

Low-VOC Paints and Coatings (LEED Credit IEQ 4); G

Manufacturers' product data for paints and coatings used on the interior of the building (defined as inside of the weatherproofing system and applied on-site), including printed statement of VOC content in grams per liter less water and material safety data sheets. Submit in format provided in Section 01 33 29 LEEDTM

DOCUMENTATION.

1.4 QUALITY ASSURANCE

1.4.1 Material and Equipment Qualifications

Provide materials and equipment that are standard products of manufacturers regularly engaged in the manufacture of such products, which are of a similar material, design and workmanship. Standard products shall have been in satisfactory commercial or industrial use for 2 years prior to bid opening. The 2 year use shall include applications of equipment and materials under similar circumstances and of similar size. The product shall have been for sale on the commercial market through advertisements, manufacturers' catalogs, or brochures during the 2 year period.

1.4.2 Alternative Qualifications

Products having less than a two-year field service record will be acceptable if a certified record of satisfactory field operation for not less than 6000 hours, exclusive of the manufacturer's factory or laboratory tests, can be shown.

1.4.3 Service Support

The equipment items shall be supported by service organizations. Submit a certified list of qualified permanent service organizations for support of the equipment which includes their addresses and qualifications. These

SECTION 23 03 00.00 42 Page 2 service organizations shall be "reasonably convenient" to the equipment installation and able to render satisfactory service to the equipment on a regular and emergency basis during the warranty period of the contract.

"Reasonably convenient" in this context is defined as being able to provide a service technician to the site to correct deficiency within 48 hours of call.

1.4.4 Manufacturer's Nameplate

Each item of equipment shall have a permanently mounted nameplate bearing the manufacturer's name, address, model number, and serial number securely affixed in a conspicuous place; the nameplate of the distributing agent will not be acceptable.

1.4.5 Applicable References

All sections of Division 15, "Mechanical" shall be governed by applicable Italian laws and norms including, but not limited to, D.M. 37/08, Law 447/95, D.L. 242, D.L. 81/2008, D.M. 10/03/98, D.L. 17/2010.

1.4.6 Modification of References

In each of the publications referred to herein, consider the advisory provisions to be mandatory, as though the word, "shall" had been substituted for "should" wherever it appears. Interpret references in these publications to the "authority having jurisdiction", or words of similar meaning, to mean the Contracting Officer.

1.4.6.1 Definitions

For the Codes referenced in the contract documents, advisory provisions shall be considered mandatory, the word "should" shall be interpreted as "shall." Reference to the "code official" shall be interpreted to mean the "Contracting Officer." For Navy owned property, references to the "owner" shall be interpreted to mean the "Contracting Officer." For leased facilities, references to the "owner" shall be interpreted to mean the "lessor." References to the "permit holder" shall be interpreted to mean the "Contractor."

1.5 DELIVERY, STORAGE, AND HANDLING

Handle, store, and protect equipment and materials to prevent damage before and during installation in accordance with the manufacturer's recommendations, and as approved by the Contracting Officer. Replace damaged or defective items.

1.6 ELECTRICAL REQUIREMENTS

Furnish motors, controllers, disconnects and contactors with their respective pieces of equipment. Motors, controllers, disconnects and contactors shall conform to and have electrical connections provided under Section 26 20 00.00 42, INTERIOR DISTRIBUTION SYSTEM. Furnish internal wiring for components of packaged equipment as an integral part of the equipment. Extended voltage range motors will not be permitted.

Controllers and contactors shall have a maximum of 120 volt control circuits, and shall have auxiliary contacts for use with the controls furnished. When motors and equipment furnished are larger than sizes indicated, the cost of additional electrical service and related work shall be included under the section that specified that motor or equipment.

SECTION 23 03 00.00 42 Page 3

Power wiring and conduit for field installed equipment shall be provided under and conform to the requirements of Section 26 20 00.00 42, INTERIOR

DISTRIBUTION SYSTEM.

1.7 INSTRUCTION TO GOVERNMENT PERSONNEL

When specified in other sections, furnish the services of competent instructors to give full instruction to the designated Government personnel in both English and Italian language in the adjustment, operation, and maintenance, including pertinent safety requirements, of the specified equipment or system. Instructors shall be thoroughly familiar with all parts of the installation and shall be trained in operating theory as well as practical operation and maintenance work.

Instruction shall be given during the first regular work week after the equipment or system has been accepted and turned over to the Government for regular operation. The number of man-days (8 hours per day) of instruction furnished shall be as specified in the individual section. When more than 4 man-days of instruction are specified, use approximately half of the time for classroom instruction. Use other time for instruction with the equipment or system.

When significant changes or modifications in the equipment or system are made under the terms of the contract, provide additional instruction to acquaint the operating personnel with the changes or modifications.

1.8 ACCESSIBILITY

Install all work so that parts requiring periodic inspection, operation, maintenance, and repair are readily accessible. Install concealed valves, expansion joints, controls, dampers, and equipment requiring access, in locations freely accessible through access doors.

1.9 SUSTAINABLE DESIGN REQUIREMENTS

See Section 01 33 29 LEEDTM DOCUMENTATION for additional sustainable design and LEED requirements and definitions.

PART 2 PRODUCTS

2.1 LOW-VOC ADHESIVES AND SEALANTS

For field applications that are used on the interior of the building, adhesives and sealants shall comply with the VOC content limits specified in Section 01 33 29 LEEDTM DOCUMENTATION.

2.2 LOW-VOC PAINTS AND COATINGS

For field applications that are used on the interior of the building, paints and coatings shall comply with the VOC content limits specified in

Section 01 33 29 LEEDTM DOCUMENTATION.

2.3 BURIED WARNING AND IDENTIFICATION TAPE

UNI 5634. Shall be polyethylene plastic tape manufactured specifically for warning and identification of buried utility lines. Tape shall be provided in rolls, 80 mm minimum width, color coded for intended service with warning and identification imprinted in bold black letters continuously and

SECTION 23 03 00.00 42 Page 4 repeatedly over entire tape length in both English and Italian language.

Warning and identification shall be "CAUTION BURIED (GAS, ELECTRIC, etc.)

LINE BELOW". Code and letter coloring shall be permanent, unaffected by moisture and other substances contained in trench backfill material. Where such a tape with suitable identification markings is identified as a "long lead" procurement item, a suitable substitute available locally and approved by the Contracting Officer may be substituted, and shall be used for all underground utilities. Buried warning material shall be placed at a minimum depth of 400 mm below finished grade.

2.4 DETECTION (TRACER) WIRE FOR NONMETALLIC PIPING

See Section 31 23 00.00 42 EXCAVATION AND FILL.

2.5 IDENTIFICATION FOR ABOVEGROUND PIPING

Labels for pipes with 19 mm outside diameter and larger shall bear printed legends to identify contents of pipes and arrows to show direction of flow. Labels shall have color coded backgrounds to signify levels of hazard.

2.6 IDENTIFYING DEVICES AND LABELS

2.6.1 General

Manufacturer's standard products of categories and types required for each application as referenced in other Division 15 Sections. If more than one type is specified for application, selection is Installer's option, but provide one selection for each product category.

2.6.2 Equipment Nameplates

Metal nameplate with operational data engraved or stamped; permanently fastened to equipment.

a. Data: Manufacturer, product name, model number, serial number, capacity, operating and power characteristics, labels of tested compliances, and similar essential data.

b. Location: Accessible and visible location.

2.6.3 Stencils

Standard stencils, prepared for required applications with letter sizes complying with recommendations of UNI 5634 for piping and similar applications, but not less than 30 mm high letters for ductwork and not less than 19 mm high letters for access door signs and similar operational instructions.

a. Material: Fiberboard or brass.

b. Identification Paint: Standard identification enamel of colors indicated or, if not otherwise indicated for piping systems, comply with UNI 5634 for colors.

2.6.4 Pressure-Sensitive Pipe Markers

Manufacturer's standard preprinted, permanent adhesive, color-coded, pressure-sensitive vinyl, complying with UNI 5634.

SECTION 23 03 00.00 42 Page 5

2.6.5 Engraved Plastic-Laminate Signs

Engraved Plastic Laminate Signs: UNI EN 438-1, cellulose, paper-base, phenolic resin laminate engraving stock; black surface, black phenolic core, with white melamine sub core, unless otherwise indicated.

a. Fabricate in sizes required for message.

b. Engraved with engraver's standard letter style, of sizes and with wording to match equipment identification.

c. Punch for mechanical fastening.

d. Thickness: 1.6 mm, for units up to 130 sq. cm or 200 mm long; 3.2 mm for larger units.

e. Fasteners: Self-tapping stainless-steel screws or contact-type permanent adhesive.

2.6.6 Plastic Equipment Markers

Color-coded, laminated plastic. Comply with the following color code:

a. Green: Cooling equipment and components.

b. Yellow: Heating equipment and components.

c. Yellow/Green: Combination cooling and heating equipment and components.

d. Brown: Energy reclamation equipment and components.

e. Blue: Equipment and components that do not meet any criteria above.

f. For hazardous equipment, use colors and designs recommended by

UNI 5634.

g. Nomenclature: Include the following, matching terminology on schedules as closely as possible:

1. Name and plan number.

2. Equipment service.

3. Design capacity.

4. Other design parameters such as pressure drop, entering and leaving conditions, and rpm.

h. Size: Approximate 65 by 100 mm for control devices, dampers, and valves; and 115 by 150 mm for equipment.

2.6.7 Lettering and Graphics

Coordinate names, abbreviations, and other designations used in mechanical identification, with corresponding designations indicated. Use numbers, lettering, and wording indicated for proper identification and operation/maintenance of mechanical systems and equipment.

SECTION 23 03 00.00 42 Page 6

2.6.7.1 Multiple Systems

If multiple systems of same generic name are indicated, provide identification that indicates individual system number and service such as "Boiler No. 3," "Air Supply No. 1H," or "Standpipe F12."

2.7 HIGH EFFICIENCY MOTORS

2.7.1 High Efficiency Single-Phase Motors

Unless otherwise specified, single-phase fractional-horsepower alternating-current motors shall be high efficiency type corresponding the applications listed in CEI EN 60034-1.

2.7.2 High Efficiency Polyphase Motors

Unless otherwise specified, polyphase motors shall be selected based on high efficiency characteristics relative to the applications as listed in CEI EN 60034-1. Additionally, polyphase squirrel-cage medium induction motors with continuous ratings shall meet or exceed energy efficient ratings in accordance with CEI requirements.

2.8 PIPE WALL THICKNESS TABLE

Table 2 Steel Pipe Data Nominal Pipe Size Pipe Schedule Number Wall Thickness Inside Diameter mm mm mm

20 40 2.87 20.9 20 80 3.91 18.8 25 40 3.38 26.6 25 80 4.55 24.3 32 40 3.56 35.0 32 80 4.85 32.5 40 40 3.68 40.9 40 80 5.08 38.1 50 40 3.91 52.5 50 80 5.54 49.2 65 40 5.16 62.7 65 80 7.01 59.0 80 40 5.49 78.9 80 80 7.62 73.7 100 40 6.02 102.3 100 80 8.56 97.2 150 40 7.11 154.0 150 80 10.97 146.3 200 30 7.04 205.0 200 40 8.18 202.7 200 80 12.70 193.7 250 30 7.80 257.4 250 40 9.27 254.5

250 EXTRA STRONG 12.70 247.6

250 80 15.06 242.9 300 30 8.38 307.1

300 STANDARD 9.53 304.8

300 40 10.31 303.2

300 EXTRA STRONG 12.70 298.4

SECTION 23 03 00.00 42 Page 7

Table 2 Steel Pipe Data Nominal Pipe Size Pipe Schedule Number Wall Thickness Inside Diameter mm mm mm 300 80 17.45 288.9 350 30 9.53 336.5 350 40 11.10 333.4

350 EXTRA STRONG 12.70 330.2

350 80 19.05 317.5 400 30 9.53 387.3 400 40 12.70 381.0

450 STANDARD 9.53 438.1

450 30 11.10 435.0

450 EXTRA STRONG 12.70 431.8

450 40 14.27 428.6

500 STANDARD 9.53 488.9

500 30 12.70 482.6 500 40 15.06 477.9

Table 3 Copper Tube Data Nominal Pipe Size Type Wall Thickness Outside Diameter mm mm mm

8 K 0.89 9.53 8 L 0.76 9.53 10 K 1.24 12.70 10 L 0.89 12.70 10 M 0.64 12.70 15 K 1.24 15.88 15 L 1.02 15.88 15 M 0.71 15.88 19 K 1.24 19.05 19 L 1.07 19.05 20 K 1.65 22.23 20 L 1.14 22.23 20 M 0.81 22.23 25 K 1.65 28.58 25 L 1.27 28.58 25 M 0.89 28.58 32 K 1.65 34.93 32 L 1.40 34.93 32 M 1.07 34.93

32 DWV 1.02 34.93

40 K 1.83 41.28 40 L 1.52 41.28 40 M 1.24 41.28

40 DWV 1.07 41.28

50 K 2.11 53.98 50 L 1.78 53.98 50 M 1.47 53.98

50 DWV 1.07 53.98

65 K 2.41 66.68 65 L 2.03 66.68 65 M 1.65 66.68 80 K 2.77 79.38 80 L 2.29 79.38 80 M 1.83 79.38

80 DWV 1.14 79.38

SECTION 23 03 00.00 42 Page 8

Table 3 Copper Tube Data Nominal Pipe Size Type Wall Thickness Outside Diameter mm mm mm 90 K 3.05 92.08 90 L 2.54 92.08 90 M 2.11 92.08 100 K 3.40 104.78 100 L 2.79 104.78 100 M 2.41 104.78

100 DWV 1.47 104.78

PART 3 EXECUTION

3.1 PAINTING OF NEW EQUIPMENT

New equipment painting shall be factory applied or shop applied, and shall be as specified herein, and provided under each individual section.

3.1.1 Factory Painting Systems

Manufacturer's standard factory painting systems may be provided subject to certification that the factory painting system applied will withstand 125 hours in a salt-spray fog test, except that equipment located outdoors shall withstand 500 hours in a salt-spray fog test. Salt-spray fog test shall be in accordance with UNI EN ISO 9227, and for that test the acceptance criteria shall be as follows: immediately after completion of the test, the paint shall show no signs of blistering, wrinkling, or cracking, and no loss of adhesion; and the specimen shall show no signs of rust creepage beyond 3 mm on either side of the scratch mark.

The film thickness of the factory painting system applied on the equipment shall not be less than the film thickness used on the test specimen. If manufacturer's standard factory painting system is being proposed for use on surfaces subject to temperatures above 50 degrees C, the factory painting system shall be designed for the temperature service.

3.1.2 Shop Painting Systems for Metal Surfaces

Clean, pretreat, prime and paint metal surfaces; except aluminum surfaces need not be painted. Apply coatings to clean dry surfaces. Clean the surfaces to remove dust, dirt, rust, oil and grease by wire brushing and solvent degreasing prior to application of paint, except metal surfaces subject to temperatures in excess of 50 degrees C shall be cleaned to bare metal.

Where more than one coat of paint is specified, apply the second coat after the preceding coat is thoroughly dry. Lightly sand damaged painting and retouch before applying the succeeding coat. Color of finish coat shall be aluminum or light gray.

a. Temperatures Less Than 50 Degrees C: Immediately after cleaning, the metal surfaces subject to temperatures less than 50 degrees C shall receive one coat of pretreatment primer applied to a minimum dry film thickness of 0.0076 mm, one coat of primer applied to a minimum dry film thickness of 0.0255 mm; and two coats of enamel applied to a minimum dry film thickness of 0.0255 mm per coat.

b. Temperatures Between 50 and 205 Degrees C: Metal surfaces subject

SECTION 23 03 00.00 42 Page 9 to temperatures between 50 and 205 degrees C shall receive two coats of 205 degrees C heat-resisting enamel applied to a total minimum thickness of 0.05 mm.

c. Temperatures Greater Than 205 Degrees C: Metal surfaces subject to temperatures greater than 205 degrees C shall receive two coats of 315 degrees C heat-resisting paint applied to a total minimum dry film thickness of 0.05 mm.

3.2 WASTE MANAGEMENT

Separate offcuts and waste materials and reuse or recycle in accordance with the Waste Management Plan. Identify manufacturer's policy for collection or return of construction scrap, unused material, demolition scrap, and/or packaging material.

3.3 FIELD PAINTING

Field painting of equipment is not permitted except for touch-up painting.

3.4 LABELING AND IDENTIFYING

3.4.1 Piping Systems

Install pipe markers on each system. Include arrows showing normal direction of flow.

3.4.1.1 Stenciled Markers

According to UNI 5634. Plastic markers, with application systems. Install on insulation segment if required for hot, uninsulated piping. Locate pipe markers as follows if piping is exposed in finished spaces, machine rooms, and accessible maintenance spaces, such as shafts, tunnels, plenums, and exterior non-concealed locations:

a. Near each valve and control device.

b. Near each branch, excluding short takeoffs for fixtures and terminal units. Mark each pipe at branch, if flow pattern is not obvious.

c. Near locations if pipes pass through walls, floors, ceilings, or enter non-accessible enclosures.

d. At access doors, manholes, and similar access points that permit view of concealed piping.

e. Near major equipment items and other points of origination and termination.

f. Spaced at maximum of 15 mm intervals along each run. Reduce intervals to 7.5 mm in congested areas of piping and equipment.

g. On piping above removable acoustical ceilings, except omit intermediately spaced markers.

3.4.2 Equipment

Install engraved plastic laminate sign or equipment marker on or near each

SECTION 23 03 00.00 42 Page 10 major item of mechanical equipment.

3.4.2.1 Lettering Size

Minimum 6.4 mm high lettering for name of unit if viewing distance is less than 610 mm, 12.7 mm high lettering for distances up to 1800 mm, and proportionately larger lettering for greater distances. Provide secondary lettering 2/3 to 3/4 of size of principal lettering.

3.4.2.2 Text of Signs

Provide name of identified unit. Include text to distinguish between multiple units, inform user of operational requirements, indicate safety and emergency precautions, and warn of hazards and improper operations.

3.4.3 Adjusting

Relocate identifying devices as necessary for unobstructed view in finished construction.

3.5 CONSTRUCTION WASTE MANAGEMENT

Comply with the Waste Management Plan specified in Section 01 74 19 CONSTRUCTION AND DEMOLITION WASTE MANAGEMENT for additional requirements.

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SECTION 23 03 00.00 42 Page 11

SECTION 23 07 00.00 42

MECHANICAL INSULATION

05/02

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.

ITALIAN/EUROPEAN HARMONIZATION STANDARDS (UNI EN)

UNI EN 485-3 (2005) Aluminum and aluminum alloys - Sheet, strip and plate - Part 3:

Tolerances on shape and dimensions for hot-rolled products

UNI EN 485-4 (1996) Aluminum and aluminum alloys - Sheet, strip and plate - Part 4:

Tolerances on shape and dimensions for cold-rolled products

UNI EN ISO 5999 (2008) Flexible cellular polymeric materials. Polyurethane foam for load-bearing applications excluding carpet underlay. Specification.

UNI EN ISO 10082 (2002) Plastics. Phenolic resins.

Classification and test methods

ITALIAN NATIONAL ASSOCIATION FOR THE UNIFICATION OF STANDARDS (UNI)

UNI 8811 (1987) Mineral fibres - Resin bounded blankets for thermal insulation - Acceptance criteria

UNI 9299 (1988) Mineral fiber - Semirigid mineral fiber panel for thermal matters - Acceptance criteria

ITALIAN LAWS AND NORMS

Law 10 (9 January 1991) Norms for the Implementation of the National Energy Plan Concerning the National Energy Saving and Development of Renewable Sources of Energy

D.M. 26/6/1984 Fire reaction classification and homologation of material for fire prevention purposes

D.P.R. 412 (26 August 1993) Regulation regarding Norms for the Design, Installation, Use and Maintenance of Thermal Plants in Building for the Containment of Energy

SECTION 23 07 00.00 42 Page 1

Consumption in accordance with Law 10

U.S. GREEN BUILDING COUNCIL (USGBC)

LEED (2002; R 2007) Leadership in Energy and Environmental DesignTM Green Building Rating System for New Construction (LEED-NC), Version 2009

1.2 SYSTEM DESCRIPTION

Provide new field-applied mechanical insulation for mechanical systems.

Mechanical systems include heating, ventilating, and cooling equipment, ducts, and piping which is located within, on, under, and adjacent to buildings; and for plumbing systems. Obtain Contracting Officer's written approval of each system before applying field-applied insulation. Provide new asbestos-free insulation materials.

1.2.1 Packaging and Labeling

Each package or standard container of insulation, jackets, cements, adhesives, and coatings delivered to the Project site shall have the Manufacturer's stamp or label attached giving the name of the Manufacturer, brand, and description of material. Insulation packages and containers shall be asbestos-free.

1.2.2 Surface Burning Characteristics

All materials specified herein shall have a minimum Class 1 rating when tested in accordance with D.M. 26/6/1984.

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. The following shall be submitted in accordance with Section

01 33 00 SUBMITTAL PROCEDURES:

SD-03 Product Data

Piping insulation and jacket

Duct insulation and jacket

Equipment insulation and jacket

Boiler stack insulation and jacket

Adhesives; G

Sealants; G

ACCESSORIES

Recycled Content (LEED Credit MR 4); G

Product data indicating percentage by weight of post-consumer and pre-consumer recycled content for products having recycled content included in this Section. Include a statement indicating material

SECTION 23 07 00.00 42 Page 2 only costs for each product having recycled content. Submit in format provided in Section 01 33 29 LEEDTM DOCUMENTATION.

Regional Materials (LEED Credit MR 5); G

Product data indicating location of material manufacturer and distance from manufacturer to Project Site for regional materials (i.e. materials that are extracted, harvested or recovered, and manufactured or processed within 800 km (by air) of the project site. Indicate distance from point of extraction, harvest, recovery to Project Site for each raw (or recycled) material used in regionally manufactured materials included in this Section.

Indicate material only cost for each regional material included in this Section. Submit in format provided in Section 01 33 29 LEEDTM

DOCUMENTATION.

Low-VOC Adhesives and Sealants (LEED Credit IEQ 4); G

Manufacturers' product data for sealants, sealant primers, and adhesives used on the interior of the building (defined as inside of the weatherproofing system and applied on-site), including printed statement of VOC content in gram per liter less water and material safety data sheets. Submit in format provided in Section

01 33 29 LEEDTM DOCUMENTATION.

1.4 DEFINITIONS

1.4.1 Finished Spaces

Spaces used for habitation or occupancy where rough surfaces are plastered, paneled or otherwise treated to provide a pleasing appearance.

1.4.2 Unfinished Spaces

Spaces used for storage or work areas where appearance is not a factor:

unexcavated spaces, crawl spaces.

1.4.3 Concealed Spaces

Spaces between a ceiling and floor construction above or between double walls or furred-in areas, pipe and duct shafts and similar spaces.

1.4.4 Exposed

Open to view. For example, a pipe run through a room, not covered by other construction, is exposed.

1.4.5 Fugitive Treatments

Treatments subject to deterioration due to aging, moisture, high humidity.

1.4.6 Outside

Open to view up to 1.5 meters beyond the exterior side of walls, above the roof, and in excavated or crawl spaces.

SECTION 23 07 00.00 42 Page 3

1.4.7 Conditioned Space

Area, room, or space normally occupied and being heated and/or cooled for human habitation by any equipment.

1.5 SUSTAINABLE DESIGN REQUIREMENTS

See Section 01 33 29 LEEDTM DOCUMENTATION for additional sustainable design and LEED requirements and definitions.

PART 2 PRODUCTS

2.1 RECYCLED CONTENT OF PRODUCTS

Provide products with recycled content so post-consumer recycled content plus one-half of pre-consumer recycled content to the greatest extent possible.

2.2 REGIONAL MATERIALS OF PRODUCTS

Raw (or recycled) materials in insulation materials shall be extracted, harvested, or recovered and manufacturer or processed within 800 km (by air) of the project site.

2.3 LOW-VOC ADHESIVES AND SEALANTS

For field applications that are used on the interior of the building, adhesives and sealants shall comply with the VOC content limits specified in Section 01 33 29 LEEDTM DOCUMENTATION.

2.4 SOURCE MANUFACTURERS

2.4.1 Mechanical Insulation

The following manufacturers provide mechanical insulation products that generally comply with these specifications:

Armstrong World Industries, S.r.l Via Venezia, 4 20060 Trezzano Rosa Tel: 02/909652f r.a.

Fax: 02/90969375

ISOVER

BALZARETTI E MODIGLIANI

Via Romagnoli, 6 20146 Milano Tel: 02/42431 Fax: 02/4120325

2.5 PIPING INSULATION AND JACKET

Law 10 and D.P.R. 412. Pipe insulation shall conform with the referenced publications and the specified temperature ranges and densities in kilograms per cubic meter (Kg/m3). Insulation for fittings, flanges, and valves shall be premolded, precut, or job-fabricated insulation of the same thickness and conductivity as used on adjacent piping. Unless otherwise specified, insulate all fittings, flanges and valves, except valve stems, hand wheels, and operators. Provide insulation with insulation

SECTION 23 07 00.00 42 Page 4 manufacturer's standard reinforced fire retardant jackets, with or without integral vapor barrier as required by the service. Insulation jackets shall be factory cleanable, grease resistant, non-flaking and non-peeling suitable for field painting.

2.5.1 Fibrous Glass Preformed Insulation

Insulation shall have minimum density of 48 kilograms per cubic meter and shall be provided with a factory applied piping insulation jacket.

Insulation shall comply with the following requirements:

Property Value

Thermal conductivity 0.032 W/m degrees C.

coefficient at +/- 0 degrees C

Temperature Range 7 degrees C to 135 degrees C.

Moisture Absorption Less than 0.2 percent by volume

Alkalinity Less than 0.6 percent expressed as Na20

Corrosivity (with steel, copper, Do not accelerate aluminum)

Shrinkage None

2.5.2 Phenolic Foam Pipe Insulation

UNI EN ISO 10082. Insulation shall be CFC free phenolic foam and shall be provided with a factory applied vapor barrier jacket. Provide with nominal density of 35.0 kg/ cubic meter, thermal conductivity of 0.019 W/mK at 24.0 degrees C, 0.34 ng/Pa.s.m water vapor permeability, and water absorption not exceeding 0.5 percent by volume. Insulation shall be suitable for cold service piping between minus 73 degrees C and 21 degrees C. Provide piping insulation jacket.

2.5.3 Flexible Cellular Preformed Pipe Insulation

UNI EN ISO 5999. The minimum density limit of 72 kilograms per cubic meter may be waived if all other characteristics of the standard are met.

Insulate with unicellular premolded pipe insulation. Piping insulation jacket is not required. Insulation shall conform to the following requirements:Property Value

Thermal conductivity coeffi- 0.040 W/(m degrees C) cient at 32.2 degrees Celsius

Temperature range from minus 28 degrees C to 104 degrees C

Moisture absorption 0.48/mq 24 h

2.5.4 Piping Insulation Jacket

Provide manufacturer's standard fire-retardant vapor barrier FSK jacket.

FSK jacket shall be fabricated of a glass scrim reinforced laminate of aluminum foil and kraft paper bonded together with a fire retardant

SECTION 23 07 00.00 42 Page 5 adhesive. Moisture vapor transmission shall not exceed 4.1 x 10-6 grams

/(hr) (m2)(Pa). Provide factory prefabricated one-piece PVC insulation covers and mineral fiber insulation inserts of the same thickness as piping insulation for fittings, valves, and flanges.

2.5.5 Aluminum Jacket

UNI EN 485-3 and UNI EN 485-4, minimum thickness of 0.4060 mm, with factory-applied polyethylene and kraft paper moisture barrier on inside surface. Provide smooth surface aluminum jackets for insulation outside diameters less than 200 mm. Provide corrugated surface aluminum jackets for insulation outside diameters 200 mm and larger. Provide stainless steel bands, minimum width of 15 mm. Provide factory prefabricated aluminum insulation covers for fittings, valves, and flanges. Covers for fittings, valves, and flanges shall be same thickness and material as jackets on adjacent piping.

2.5.6 PVC Jacket

Provide PVC jacketing, pre-cut and curled, 0.50 mm thick, white UV-resistant.

All joints and seams shall be solvent welded in accordance with manufacturer's recommendations. Tacks and staples will not be allowed.

2.6 DUCT INSULATION AND JACKET

2.6.1 Blanket Type Duct Insulation

UNI 8811. Fibrous glass insulation, minimum density of 16 kg/m3. Thermal conductivity shall be 0.040 W/m degrees C at 24 degrees C mean. Provide with duct insulation jacket.

2.6.2 Rigid Type Duct Insulation

UNI 9299. Fibrous glass insulation, minimum density of 48 kg/m3. Thermal conductivity shall bea maximum not to exceed of 0.033 W/m degrees C degrees at 24 degrees C. Provide with duct insulation jacket.

2.6.3 Duct Insulation Jacket

Provide manufacturer's standard fire-retardant vapor barrier FSK jacket.

FSK jacket shall be fabricated of a glass scrim reinforced laminate of aluminum foil and kraft paper bonded together with a fire retardant adhesive. Moisture vapor transmission shall not exceed 4.1 x 10-6 grams/(hr)(m2)(Pa). Jacket shall be suitable for painting.

2.7 EQUIPMENT INSULATION AND JACKET

Insulate all equipment and accessories as specified and as indicated on drawings. Increase the specified insulation thickness for equipment only where necessary to equal the thickness of angles or other structural members to make a smooth, exterior surface. Additional insulation is not required for factory-insulated equipment.

2.7.1 Mineral Fiber Block and Board Insulation

UNI 9299, minimum density of 96 kg per cubic meter. Thermal conductivity shall be 0.032 w/(m.k) at 24 degrees C.

SECTION 23 07 00.00 42 Page 6

2.7.2 Calcium Silicate Block and Board Insulation

Inorganic, hydrous calcium silicate, non-asbestos fibrous reinforcement;

incombustible. Thermal Conductivity of 0.086 at 260 degrees C, dry density of 240 kg per cubic meter, and compressive strength of 413.4 kPa minimum at 5 percent deformation. Provide in preformed pipe sections as appropriate for surface.

2.7.3 Phenolic Block and Board Insulation

UNI EN ISO 10082. Insulation shall be CFC free phenolic foam and shall be provided with a factory applied vapor barrier jacket. Provide with nominal density of 35.0 kg/ cubic meter, thermal conductivity of 0.019 W/mK at 24 degrees C, 0.34 ng/Pa.s.m water vapor permeability, and water absorption not exceeding 0.5 percent by volume.

2.7.4 Equipment Insulation Jacket

Provide manufacturer's standard fire-retardant vapor barrier jacket.

Provide equipment insulation with aluminum jacket or waterproof aluminum pigmented mastic as recommended by the insulation manufacturer.

2.8 BOILER STACK INSULATION AND JACKET

Provide insulation for hot stacks (vents) within buildings.

2.8.1 Mineral Fiber Preformed Pipe Insulation

UNI 9299 minimum density of 96 kg per cubic meter.

2.8.2 Calcium Silicate Preformed Pipe Insulation

Inorganic, hydrous calcium silicate, non-asbestos fibrous reinforcement;

incombustible. Thermal Conductivity of 0.086 at 260 degrees C, dry density of 240 kg per cubic meter, and compressive strength of 413.4 kPa minimum at 5 percent deformation. Provide in preformed pipe sections as appropriate for surface.

2.8.3 Aluminum Jacket

UNI EN 485-3 and UNI EN 485-4, minimum thickness of 40 mm, with factory-applied polyethylene and kraft paper moisture barrier on inside surface. Provide corrugated surface aluminum jackets. Provide stainless steel bands, minimum width of 13 mm. Provide factory prefabricated aluminum insulation covers for fittings.

2.9 ADHESIVES, SEALANTS AND COATING COMPOUNDS

2.9.1 General

Adhesives, Sealants and compounds shall be compatible with materials to which applied and suitable for the service. Materials shall be as recommended by insulation manufacturer.

Provide adhesives, sealants and compounds that meet VOC requirements of LEED low-emitting materials credits.

SECTION 23 07 00.00 42 Page 7

2.9.2 Adhesive for Securing Insulation to Metal Surfaces and Vapor Barrier Lap Adhesive (For Use in Building Interior Only)

Shall be an adhesive in which the vehicle is nonflammable in liquid or wet state and which will pass the edge-burning test.

2.9.3 Lagging Adhesive

For bonding fibrous glass cloth to unfaced fibrous glass insulation; for bonding cotton brattice cloth to faced and unfaced fibrous glass insulation board; for sealing the edges of, and bonding of fibrous glass tape to the joints of fibrous glass board; or for bonding lagging cloth to thermal insulation.

2.9.4 Mineral Fiber Insulation Cement

Thermal conductivity 0.85 maximum at 93 degrees Celsius mean.

2.9.5 Mineral Fiber, Hydraulic-Setting Insulating and Finishing Cement

a. Thermal Conductivity: 0.173 average maximum at 204.4 degrees C mean temperature.

b. Compressive Strength: 689 kPa at 5 percent deformation.

2.9.6 Vapor Barrier Coating

Indoor only above surface temperature 15 deg. Celsius, color white.

2.9.7 Weatherproof Coating

For outside applications use a weatherproof coating recommended by the manufacturer of the insulation and jackets.

2.10 ACCESSORIES

2.10.1 Staples

Staples shall be stainless steel corrosion resistant outside-clinch type.

Staples may be used on above ambient pipe and duct only.

2.10.2 Insulation Bands

Insulation bands shall be 25 mm wide; 0.50 mm thick stainless steel, 0.50 mm thick galvanized steel, or 0.60 mm thick aluminum.

2.10.3 Band for Metal Jackets

20 mm minimum width; 0.30 mm stainless steel or 0.60 mm thick aluminum.

2.10.4 Anchor Pins

Capable of supporting 9 kg each. Provide anchor pins and speed washers recommended by the insulation manufacturer for insulation type and thickness. Fasten to ductwork with welds. Pins with self-adhesive backing are not acceptable.

SECTION 23 07 00.00 42 Page 8

2.10.5 Glass Cloth Tape

Shall be 10 mm x 20 mm mesh, white glass cloth tape. Provide type as recommended by insulation manufacturer for the intended use.

2.10.6 Vapor Barrier Material Tape

Shall be as recommended by the insulation manufacturer for the intended use.

2.10.7 Wire

Soft annealed stainless steel, nominal diameter.

2.10.8 Corner Angles

0.70 mm thick galvanized metal, 50 mm x 50 mm L-shape.

PART 3 EXECUTION

3.1 INSTALLATION OF MECHANICAL INSULATION

Clean exterior of mechanical systems prior to the application of field-applied insulation. Install field-applied insulation in accordance with the manufacturer's recommendations and as specified herein. The completed installation shall have a fire hazard rating in accordance with D.M. 26/6/1984. Insulation shall be clean and dry when installed and prior to the application of jackets and coatings. Do not use short pieces of insulation materials where a full length section will fit. Provide insulation materials and jackets with smooth and even surfaces, with jackets drawn tight, and smoothly secured on longitudinal laps and end laps. Insulate fittings and piping accessories with premolded, precut, or field fabricated insulation of the same material and thickness as the adjoining pipe insulation. Provide unions, flanges, and piping accessories with readily removable sections of insulation and jacket. Provide insulation continuous through pipe hangers, pipe supports, pipe sleeves, wall openings, and ceiling openings, except at fire dampers in duct systems. Provide a complete moisture and vapor seal wherever insulation terminates against hangers, anchors, and other projections through insulation on cold surfaces; fill joints, breaks, punctures, and voids with vapor barrier compound and cover with vapor sealed material. Do not conceal equipment nameplates. Cover ends of exposed insulation with waterproof mastic.

3.2 PIPING INSULATION

Provide factory preformed pipe insulation. For insulation protection shields; provide rigid pipe insulation of the same thickness as adjacent pipe insulation and having a minimum compressive strength of 240 mm or provide hardwood plugs having a minimum of 650 mm bearing surface with the wood grain perpendicular to the pipe, between the insulation protection shields and the pipe; except insulation having a minimum density of 112 kg/m3 may be provided between the insulation protection shields and the pipe for piping 50 mm and smaller. Install insulation with joints tightly butted. Overlap longitudinal jacket laps not less than 38 mm. Wrap butt joints with butt strips not less than 75 mm wide of identical materials as jacket. Cement jacket laps and butt strips on both surfaces with fire-resistant, waterproof bonding adhesive or with factory-applied self-sealing system. Staples shall be stainless steel, outside clinched without complete penetration of insulation. If vapor barrier jacket is

SECTION 23 07 00.00 42 Page 9 pierced or punctured, brush coat with vapor barrier coating to provide a vapor-tight covering. If molded or mitered fitting covers are used, join with fire-resistant, waterproof bonding adhesive or wire in place and provide with a smooth coat of finishing cement. For copper tubing sizes 50 mm and less, pipe insulation for elbows, tees, and valves may be mitered.

3.2.1 Insulation for Water Piping

Provide mineral fiber preformed pipe insulation for heating hot water piping, hot and cold domestic water piping, roof drain piping, and cold drain piping. Rigid cellular phenolic preformed pipe insulation having an insulating efficiency not less than that of the specified thickness of mineral fiber pipe insulation may be provided in lieu of mineral fiber pipe insulation.

3.2.1.1 Heating Hot Water piping, and Hot and Cold Domestic Water Piping

Provide piping sizes less than 15 to 40 mm with minimum of 25 mm thick mineral fiber pipe insulation. Recirculating hot domestic water piping loop shall have minimum of 25 mm thick mineral fiber pipe insulation. Pipe sizes of 50 through 80 mm shall have minimum of 40 mm thick mineral fiber pipe insulation. Pipe sizes 100 mm and larger shall have minimum of 50 mm thick mineral fiber pipe insulation.

3.2.1.2 Solar Hot Water Piping and Solar Hot Water Return Piping

Exterior piping above grade provide piping sizes 15 to 40 mm with a minimum of 40 mm thick high temperature closed cell, fiber free elastomeric foam for exterior applications, seal joints with Waterproof vapor barrier adhesive. Provide all weather aluminum jacket in accordance with UNI EN 485-3 and UNI EN 485-4 with a minimum thickness of 40 mm with factory applied polyethylene and kraft paper moisture barrier on inside surface. Provide corrugated surface aluminum jackets. Provide stainless steel bands a width minimum of 13 mm. Provide factory pre-fabricated aluminum insulation covers for fittings.

Interior piping above grade provide piping sizes 15 to 40 mm with a minimum of 40 mm thick high temperature closed cell, fiber free elastomeric foam for interior applications. Seal joints with waterproof vapor barrier adhesive.

3.2.1.3 Cold Drain Piping

Provide minimum of 25 mm thick mineral fiber pipe insulation. Do not insulate cold drain piping in crawl spaces or exposed to the weather.

3.2.1.4 Roof Drain Piping

Provide minimum of 25 mm thick mineral fiber pipe insulation for horizontal roof drain piping above grade, underside of roof drain body, and vertical piping between roof drain body and horizontal roof drain piping.

3.2.2 Insulation for Chilled Water Piping

Provide rigid cellular phenolic preformed pipe insulation and jacket for chilled water piping and chilled-hot water piping. Provide piping sizes less than 65 mm with minimum of 38 mm thick rigid cellular phenolic pipe insulation. Provide piping sizes 75 mm and larger with minimum of 50 mm thick rigid cellular phenolic pipe insulation. For chilled water piping

SECTION 23 07 00.00 42 Page 10 and chilled-hot water piping, the ends of pipe insulation and the space between the ends of pipe insulation and the piping shall be sealed off with waterproof vapor barrier coating at and around valves, fittings, flanges, unions, and in pipe runs at intervals not to exceed 4.57 mm.