AC1-23-_MASTER_TECHNICAL_SPECIFICATIONS.pdf

Section 08210 1

SECTION 08210

WOOD DOORS

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.

AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM)

ASTM E90 1990, Laboratory Measurement of Sound

Transmission Loss of Building Partitions.

I.C.I.L.A. Italian Certification body specific for wood and furniture industries.

INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO)

ISO-140/III Laboratory Measurement of Airborne Sound

Insulation of Building Elements.

ITALIAN NATIONAL INSTITUTE FOR THE UNIFICATION OF STANDARDS (UNI)

PUBLICATIONS:

UNI 3252 (1987) General Conditions for Physical

Mechanical Tests.

UNI 7961 (1987) Buildings, Doors, Criteria for

Classification.

UNI 8200 (1981) Buildings, Interior Doors. Impact

Test.

UNI 8328 (1981) Buildings Heat Test for Interior

Doors.

UNI EN 950 (2000) Door Shutter. Impact Test.

1.2 SUBMITTALS

Submit the following:

1.2.1 Shop Drawings

Doors

Shop drawings, catalog cuts, or descriptive material showing each type of door unit shall be submitted before work is started.

Drawings and cuts shall indicate sizes, thicknesses, construction, methods of assembly, sticking, and operating hardware as specified herein, and all other necessary information.

1.2.2 Samples

2 Section 08210

Door veneer

1.2.3 Test Reports

Acoustical doors and frames

1.2.4 Certificates

Submit a certificate signed by the manufacturer indicating that the wood used to manufacture the product listed below is I.C.I.L.A. certified.

1.3 DELIVERY, STORAGE AND HANDLING

Doors shall be delivered to the site in an undamaged condition and shall be protected against damage and dampness. They shall be stored under cover in a well-ventilated building and shall not be exposed to extreme changes of temperature and humidity. Doors shall not be stored in a building under construction until concrete, masonry work, and plaster are dry. Defective or damaged doors shall be replaced with new doors.

1.4 GRADE MARKING AND LABELING

Each door shall be marked with a stamp, brand, or label in accordance with the requirements of the applicable referenced publication or standard.

1.5 FACTORY SEALING

Before shipment, the top and bottom edges of doors shall be sealed with spar varnish or other approved water-resistant sealer standard with the manufacturer.

1.6 SIZES AND DESIGNS

Doors shall be of the sizes, designs, and thicknesses as indicated.

1.7 WARRANTY

Provide warranty for life of solid core door installation.

1.8 QUALITY ASSURANCE

1.8.1 Report Requirements

Submit test reports for each type of door and frame attesting that identical doors and frames have been tested and meet the requirements specified herein for conformance to acoustical performance.

1.8.2 Requirements

Prior to the delivery of wood doors, a sample section of each type of door, approximately 300 mm x 300 mm in size, which shows the veneer and core construction shall be submitted. Samples shall be complete with required color and finish.

PART 2 - PRODUCTS

2.1 GENERAL

Section 08210 3

Products incorporated into this project shall meet the following requirements.

2.1.1 Wood Door Fabrication

100%, by cost, of all wood products used for the construction of the building shall be certified by the I.C.I.L.A. This includes wood that is a part of the final construction and wood that is used during the construction process.

2.2 DOORS

2.2.1 Standard Solid Core Doors

Shall be 45 mm minimum thickness and one of the following:

2.2.1.1 Glued Block Core

Glued block core shall be wood blocks that are bonded together with the end joints staggered in adjacent rows. After bonding, each core is machined to a smooth, uniform thickness. Crossbands of 2 millimeter wood veneer are required. Vertical edges shall be 15 millimeters (minimum).

Top and bottom rails shall be 30 millimeters thick (minimum). Wood shall contain no added urea-formaldehyde resins.

2.2.1.2 Framed Non-Glued Block Core

The wood blocks are laid up within a perimeter frame with the end joints of the blocks staggered in adjacent rows. The blocks are not bonded together but the core is bonded to the crossbands or face panels.

Vertical edges shall be 28 millimeters (minimum). Top and bottom rails shall be 30 millimeters (minimum). Wood shall contain no added urea-formaldehyde resins.

2.3 INTERIOR DOORS

Doors shall conform to UNI 3252, UNI 7961, UNI 8200 and UNI 8328. Doors shall be fabricated with waterproof type glue. Wood and/or steel blocking for specified hardware shall be provided in all doors. Doors shall be prearranged to receive panic bars, where required. Doors shall have a 2 millimeter thick plastic laminate veneer on each face of door, color selected by the Contracting Officer’s Technical Representative.

All edges shall be exposed wood finished to match the face veneer. Wood shall contain no added urea-formaldehyde resins.

2.3.1 Flush Doors

Interior flush doors shall be solid core of the types specified herein.

Hinges shall be provided by the door or frame and/or hardware manufacturer. Hinges are specified in contract drawings. Wood shall contain no added urea-formaldehyde resins.

2.4 TOLERANCES

Allowable tolerances for fabrication of doors (UNI EN 950) shall be as follows:

Size: Prefit - 8/10 millimeters overall dimensions

4 Section 08210

Not prefit - 1.5 millimeters overall dimensions

Maximum warp: 2 millimeters

Squareness: Length of diagonal measured on face of door from upper right corner to lower left corner between length of diagonal measured on upper left corner to lower right corner - maximum difference of 2 millimeters.

2.6 DOOR LOUVERS

Metal louvers for wood doors are specified in Section 10201.

2.6 STANDARD FRAMES

Metal frames for wood doors are specified in Section 08110, "Steel Doors and Frames”.

2.7 PREFITTING

Doors shall be completely sized and machined at the factory by the door manufacturer. The work shall include sizing, bevelling edges, mortising, and drilling for all hardware and providing all necessary openings for glass and louvers. Provide the door manufacturer with the necessary hardware samples and frame and hardware schedules as necessary to coordinate the work.

2.8 ACCEPTABLE MANUFACTURERS

Subject to compliance with requirements, a manufacturer offering products that can be incorporated into the work include, but is not limited to, the following:

BARAUSSE SPA

Via Mameli no 38

36010 Monticello Conte Otto(Vi)

Tel: 0444 900000

Fax: 0444 900019

EFFEBIGUATIRO SPA

Viale Edison, 47

20038 Seregno (MI)

Tel: 0362/229718/19

Fax: 0362/223696

TRE-P

Via dell'Industria n. 2

20034 Birone di Giussano (MI)

Tel: 0362/861120

Fax: 0362/310292

2.9 FINISHING

Doors shall be factory paint finish. All edges, cutouts, trim, and wood accessories shall receive factory paint finish.

2.10 ACOUSTICAL DOORS AND FRAMES (41 STC)

Section 08210 5

Acoustical rated solid core wood doors and steel frames shall be constructed in accordance with the manufacturers standards and shall meet

The minimum average sound transmission loss as determined thru following performance table for the average indicated.

MINIMUM SOUND TRANSMISSION LOSS PERFORMANCE

Sound-transmission loss must be determined via laboratory tests of a partition sample in accordance with ASTM E90 or ISO-140/III.

MEASURED SOUND TRANSMISSION LOSS (dB) IN THIRD-OCTAVE BAND AT CENTER

FREQUENCY (Hz)

100 125 160 200 250 315 400 500 630 800 1k 1.25k 1.6k 2k 2.5k 3.15k 4k 5k

PART 3 - EXECUTION

3.1 INSTALLATION

Doors shall be hung with a 15/10 millimeter, 3 millimeter maximum clearance at sides and top, and a 4 millimeter minimum, 6 millimeter maximum clearance over thresholds. Hardware is specified in the contract drawings.

3.2 ACOUSTICAL DOORS AND FRAMES

Install acoustical doors and frames including hardware in accordance with the manufacturer's instructions.

3.3 ADJUST AND CLEAN

Replace or rehang doors which are hinge-bound and do not swing or operate freely. Replace or refinish prefinished doors damaged during installation.

-- End of Section --

Section 10153 1

SECTION 10153

TOILET PARTITIONS

1.1 APPLICABLE PUBLICATIONS

The following publications of the issues listed below, but referenced to thereafter by basic designation only, form a part of this specification to the extent indicated by the references thereto.

PUBLICATION

UNI EN 10088-1 (1997) Stainless steels. List of stainless steels.

1.2.1 Manufacturer's Catalog Data

Submit manufacturer's catalogues, installation instructions and technical data showing details of partition construction and fabrication.

1.2.2 Drawings

Submit shop drawings indicating elevations of partitions, full size sections, thickness of metal, fastenings, proposed method of anchoring, the size and spacing of anchors, details of construction, hardware, fittings, mounting and other related items and installation details.

2.1 General

Toilet partitions and urinal screens shall be 25 mm thick galvanized steel and shall be manufactured by one of the following:

a. CRANE PLUMBING COMPANY

2780 South Hwy, 1247

Somerset, Ky 42501

Tel. 606 678-2700

Fax. 800 832-7994 www.craneplumbing.com

b. BOBRICK WASHROOM EQUIPMENT

Rappresentante Italiano

Bocchi SPA

Corso Plebiscito 13

20129 Milano

Tel. 02 70123756

Fax. 02 70005465 www.bocchi.it

c. Other manufacturers meeting the requirements specified herein will be acceptable.

2 Section 10153

2.2 TYPES

2.2.1 Toilet Enclosures

Panels shall be 25 mm thick with two sheets of 0.85 mm thick minimum galvanized acrylic coated steel and flanged edges welded to a rigid frame every 457 mm and sealed with a oval crown lock strip, mitered, welded and finished at the corners, to form an integral, insulated panel. Pilasters shall be 31 mm thick with two sheets of 1 mm gage galvanized steel.

Pilaster bases shall be attached with floor stirrups and leveling bolts.

Pilaster tops shall be overhead braced with 2.5x38 mm anodized aluminum bracing. Width of toilet enclosures shall be as shown on drawings.

Finish shall be satin acrylic coating. Reinforce panels indicated to receive toilet accessories.

2.2.2 Urinal Screens

Urinal screens shall be wall braced. Screens shall be 500 mm wide and of the same type of the toilet enclosure.

2.3 DOORS

Panels shall be 25 mm thick with two sheets of 0.85 mm thick minimum galvanized acrylic coated steel and flanged edges welded to a rigid frame every 457 mm and sealed with a oval crown lock strip, mitered, welded and finished at the corners, to form an integral, insulated panel. Pilasters shall be 31 mm thick with two sheets of 1 mm gage galvanized steel.

Pilaster bases shall be attached with floor stirrups and leveling bolts.

Pilaster tops shall be overhead braced with 2.5x38 mm anodized aluminum bracing. Width of toilet enclosures shall be as shown on drawings.

Finish shall be satin acrylic coating.

2.4 HARDWARE

2.4.1 Door Hardware

Each door shall be provided with pivot hinges, latch, combination latch keeper and rubber bumper stop, and a coat hook with rubber bumper.

Rubber bumper shall be located on item which protrudes the farthest from door, and may be omitted from item which has the least projection. Hinge brackets, latch case keeper and stop, and coat hook shall be chrome plated nonferrous cast alloy, chrome plated brass or stainless steel.

Non-operating parts supporting any encasing member of hinge or latch may be die cast zinc alloy, wrought cast or extruded brass finished to match the door and pilaster. Exposed parts and fastenings not integral with the door or pilaster shall be polished nickel plated or chrome plated.

All door hardware shall be attached with hex type through bolts or one way screws, except recessed hinge components and door latches may be attached in the manner normally used by the manufacturer. Coat hooks are specified in Section 10800, "Toilet and Bath Accessories".

2.4.2 Hinges

Hinges shall have all working parts concealed and shall be actuated by gravity or compression springs. Hinges to be adjustable to permit door to remain open or closed when not latched. One hinge shall consist of a stainless steel, aluminum, or nylon pivot pin operating in a nylon

Section 10153 3 bushing. The other hinge shall operate on opposing nylon cams, pintle shall be nylon or stainless steel.

2.4.3 Latch

Latch shall be sliding bar. Sliding latch shall consist of an encased bar, approximately 20 millimeters wide by 75 millimeters long, operated by a knob. Door latch shall operate without either tight grasping or twisting by the wrist of the operator. Latch shall be standard from the toilet enclosure manufacturer.

2.4.4 Mounting Brackets

Mounting brackets for mounting panels and pilasters to one another and to walls shall be stirrup type of chrome plated brass, extruded anodized aluminum or chrome plated nonferrous cast metal alloy. Brackets shall be designed for fastening to walls with at least two 6 mm diameter stainless steel, or 6 millimeters diameter zinc or cadmium plated steel screws.

Stirrup brackets for metal partitions shall be designed for fastening to the steel pilaster with machine screws into tapped reinforced or rivet nuts, and for through bolting to panel with 5 mm hex type through bolts.

2.4.5 Finishes

Exposed non-ferrous hardware and fittings that are not an integral part of partition doors and pilasters shall be polished, nickel plated and chromium plated or aluminum with satin clear anodized finish.

2.5 FABRICATION

Fabricate straight, clean cut, and free from defects in workmanship, materials and appearance.

Secure the work to contiguous construction in a rigid and substantial manner, straight and plumb, with uniform clearance of 12 mm between pilasters and panels; 25 millimeters between pilasters and walls, and panels and walls; and not more than 6 millimeters between pilasters and doors. Evidence of drilling in floors and walls shall be concealed in the finished work. Adjust hardware for proper operation and set hinges to hold the doors ajar about 30 degrees when unlatched. After installation, thoroughly clean all exposed surfaces and restore all damaged work to its original condition, or replace with new work. Neatly paint exposed heads of unfinished steel bolts and screws to match the color of adjoining partition surfaces.

Section 15050 1

SECTION 15050

BASIC MECHANICAL MATERIALS AND METHODS

The section applies to Division 15, "Mechanical" of this project except as specified otherwise in each individual section.

All submittals shall be translated into English. Submit shop drawings, manufacturer's data, publication compliance, certified test reports, and manufacturer's certificates of compliance for equipment, materials and finish, and pertinent details for each system where specified in each individual section, and have them approved before procurement, fabrication or delivery of the items to the job site. Partial submittals will not be acceptable and will be returned without review. Submittals shall include the manufacturer's name, trade name, country of origin, catalog model or number, nameplate data, size, layout dimensions, capacity, project specification and the specific technical paragraph reference which specifies each item, applicable U.S., Italian or European Standard, industry and technical society publication references, and other information necessary to establish contract compliance of each item to be furnished.

1.2.1 Shop Drawings

Drawings shall be a minimum of 210 mm by 275 mm in size. Drawings shall include floor plans, sectional views, wiring diagrams, and installation details of equipment; and equipment spaces identifying and indicating proposed location, layout and arrangement of items of equipment, control panels, accessories, piping, ductwork, and other items that must be shown to assure a coordinated installation. Wiring diagrams shall identify circuit terminals, and indicate the internal wiring for each item of equipment and the interconnection between each item of equipment. Drawings shall indicate adequate clearance for operation, maintenance and replacement of operating equipment devices. If equipment is disapproved, drawings shall be revised to show acceptable equipment and be resubmitted prior to proceeding with the work.

1.2.2 Manufacturer's Data

Submittals for each manufactured item shall be manufacturer's descriptive literature of catalogued products, equipment drawings, diagrams, performance and characteristics curves, and catalog cuts.

1.2.3 Publication Compliance

Where equipment or materials are specified to conform to industry and technical society publications of organizations such as International

Standards Organization Publications (ISO) and Italian National Institute for the Unification of Standards Publications (UNI) proof of such compliance shall be submitted. The label or listing by the specified organization will be acceptable evidence of compliance. In lieu of the label or listing, submit a certificate from an independent testing organization adequately equipped and competent to perform such services, and approved by the

Contracting Officer, stating that the item has been tested in accordance with the specified organization's publication. Where equipment or materials are specified to conform to publications, the manufacturer of the product shall submit a certificate of compliance stating the equipment or materials

2 Section 15050 meet or exceed the performance, design, and product requirements of the referenced publications.

1.2.4 Certified Test Reports

The testing requirements in referenced publications for materials will be waived provided the manufacturer's original certificates are submitted stating that previously manufactured materials have been tested by approved laboratories, that such materials meet testing requirements specified, and that the materials furnished for this project are of the same type, quality, manufacture and make as those tested; copies of the test reports need not be submitted except as specifically requested by the Contracting Officer.

1.2.5 Manufacturer's Certificates of Compliance

Submit certification from manufacturer attesting that materials and equipment to be furnished for this project comply with the requirements of this specification and of the referenced publications. Pre-printed certifications will not be acceptable; certifications shall be the manufacturer's original; certifications shall be not more than one year old.

The certification shall not contain statements that could be interpreted to imply that the product does not meet all requirements specified, such as "as good as;" "achieve the same end use and results as materials formulated in accordance with the referenced publications;" "equal or exceed the service and performance of the specified material." The certification shall simply state that the product conforms to the requirements specified. Certificates shall be signed by the manufacturer's official authorized to sign certificates of compliance.

1.3 POSTED OPERATING INSTRUCTIONS

Furnish approved operating instructions for each principal item of equipment for the use of operation and maintenance personnel. The operating instructions shall include wiring diagrams, control diagrams, and control sequence for each principal item of equipment. Operating instructions shall be printed or engraved, and shall be framed under glass or in approved laminated plastic and posted where directed. Operating instructions shall be attached to or posted adjacent to each principal item of equipment including start up, proper adjustment, operating, lubrication, shut-down, safety-precautions, procedure in the event of equipment failure, and other items of instruction as recommended by the manufacturer of each item of equipment. Operating instructions exposed to the weather shall be made of weather-resisting materials or shall be suitably enclosed to be weather protected. Operating instructions shall not fade when exposed to sunlight and shall be secured to prevent easy removal or peeling. Operating instructions shall be dual language (English and Italian).

1.4 OPERATION AND MAINTENANCE MANUAL

Furnish an operation and maintenance manual in both the Italian and English language for each item of equipment. Furnish three copies of the manual bound in hardback binders or an approved equivalent. Furnish one complete manual prior to the time that equipment tests are performed, and furnish the remaining manuals before the contract is completed. Inscribe the following identification on the cover: the words OPERATION AND MAINTENANCE MANUAL, in both the Italian and the English languages, the name and location of the equipment or the building, the name of the Contractor and the contract number. The manual shall include the names, addresses and telephone numbers of each subcontractor installing equipment, and of the local representatives for each item of equipment. The manual shall have a table of contents and be assembled to conform to the table of contents with the tab sheets placed before instructions covering the subject. The instructions shall be legible and easily read, with large sheets of drawings folded in. The manual shall

Section 15050 3 include: wiring and control diagrams with data to explain detailed operation and control of each item of equipment; a control sequence describing start-up, operation and shut-down; description of the function of each principal item of equipment; the procedure for starting; the procedure for operating;

shut-down instructions; installation instructions; maintenance instructions;

lubrication schedule including type, grade, temperature range and frequency;

safety precautions, diagrams and illustrations; test procedures; performance data; and parts lists. The parts list for equipment shall indicate the sources of the supply, recommended spare parts and the service organization which is reasonably convenient to the project site. The manual shall be complete in all respects for equipment, controls, accessories and associated appurtenances provided.

1.5 INSTRUCTIONS TO GOVERNMENT PERSONNEL

Furnish the services of competent instructors to give full instruction to the Government personnel in the adjustment, operation and maintenance, including pertinent safety requirements of each item of equipment and each system. Each instructor 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. Provide 4 workdays (8-hours) of instruction to cover all operation and maintenance of equipment and control systems. Instructor shall use the Division 15 “Operation and

Maintenance Manual” as a basis for the training. Provide two complete manuals to the Owner for the training.

1.6 DELIVERY AND STORAGE

Properly store, adequately protect and carefully handle equipment and materials to prevent damage before and during installation. Handle, store, and protect equipment and materials in accordance with the manufacturer's recommendations. Replace damaged or defective items.

1.7 CATALOGED PRODUCTS

Materials and equipment shall be cataloged products of manufacturers regularly engaged in production of such materials or equipment and shall be manufacturer's latest design that complies with the specification requirements. Materials and equipment shall duplicate items that have been in satisfactory commercial or industrial use. Where two or more items of the same class of equipment are required, these items shall be products of a single manufacturer; however, the component parts of the items need not be the products of the same manufacturer. Each item of equipment shall have the manufacturer's name, address, model number and serial number of the nameplate securely affixed in a conspicuous place; the nameplate of the distributing agent will not be acceptable.

1.8 VERIFICATION OF DIMENSIONS

Coordinate the proper relation of the work to the building structure and to the work of all trades. Visit the premises and become familiar with the dimensions in the field, and advise the Contracting Officer’s Technical

Representative of any discrepancy before performing any work.

1.9 MANUFACTURER'S RECOMMENDATIONS

Where installation procedures or any part thereof are required to be in accordance with the recommendations of the manufacturer of the material being installed, printed copies of these recommendations shall be furnished to the Contracting Officer prior to installation. Installation of the item

4 Section 15050 will not be allowed to proceed until the recommendations are received.

Failure to furnish these recommendations can be cause for rejection of the material.

1.11 ELECTRICAL REQUIREMENTS

Where motors are indicated to be served electrically from a motor control center, the motor starters shall be provided as part of the motor control center as specified in Section 16402, "Interior Distribution Systems."

Furnish controllers, contactors and disconnect switches where they are part of packaged equipment. Motors, controllers, contactors, and disconnect shall conform to and shall have electrical connections provided under

Section 16402, "Interior Distribution Systems." 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 220v control circuits, and 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 at the expense of the Contractor included under the section that specified that motor or equipment. Power wiring and conduit for field installed equipment shall be provided under and conform to the requirements of Section 16402, "Interior Distribution Systems."

1.11 ACCESS PANELS, WALL AND CEILING

Specified in Section 05500, "Metal Fabrications".

PART 2 - PRODUCTS (Not Applicable)

3.1 PAINTING OF NEW EQUIPMENT

Equipment painting, factory applied or shop applied, shall be as specified herein, and provided under each individual section of this specification.

3.1.1 Factory Painting Systems

Manufacturer's standard factory painting systems may be provided. If manufacturer's standard factory painting system is being proposed for use in lieu of the shop painting systems, certifications that the manufacturer's standard factory painting system conforms to the heat resistance requirement shall be submitted.

3.1.2 Shop Painting Systems

Clean, pretreat, prime and paint metal surfaces except aluminum surfaces that shall not be painted. Apply coatings to clean dry surfaces. Clean the surfaces to remove dust, rust, oil and grease by wire brushing and solvent degreasing prior to application of paint, except metal surfaces subject to temperatures exceeding 50oC 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. Finished coat color shall be aluminum or light gray.

3.1.2.1 Metal Surfaces Subject to Temperature Less than 50oC

Immediately after cleaning, the metal surfaces shall receive one coat of pretreatment primer applied to a minimum dry film thickness of 0.008 mm, one coat of primer applied to a minimum dry film thickness of one mil 0.025 mm

Section 15050 5 per coat; and two coats of enamel applied to a minimum dry film thickness of

0.025 mm per coat.

3.1.2.2 Metal Surfaces Subject to Temperatures Between 50oC and 204oC

Surfaces shall receive two coats of heat-resisting enamel applied to a total minimum thickness of 0.05 mm.

3.1.2.3 Metal Surfaces Subject to Temperatures Greater than 204oC

Surfaces shall receive two coats of 315oC heat-resisting paint applied to a total minimum dry film thickness of 0.05 mm.

3.2 IDENTIFICATION OF PIPING

All piping except sanitary waste and vent shall have color-coded identification. Identification may be by painting and stenciling or by the use of plastic pressure-sensitive adhesive tape installed at maximum 3-meter intervals, and at all horizontal/vertical changes in direction, and at all taps (tees). Piping, except sprinkler systems, shall be identified by black lettering (fluid identification and service i.e. supply or return, and direction of flow) stenciled or lettered on a color-coded background. Color coding shall be in accordance with UNI 5634. Background colors shall be a minimum of 300 mm by 50 mm with minimum 50 mm letters. Identification shall be provided in English and Italian and placed on piping so that it is easily visible. For sprinkler piping see Section 13930, “Wet Pipe Fire Suppression

Sprinklers." Provide piping identification code framed under glass and installed where directed.

3.3 VALVE IDENTIFICATION

Provide for each manually operated valve, except exposed sanitary fixture shut-off valves, a brass or approved non-ferrous material tag securely mounted or attached to the valve. Provide valve schedules indicating number, service or function, area or devices served and position (normally open "NO" or normally closed "NC"). Frame schedules under glass and mount where directed.

Section 15080 1

SECTION 15080

INSULATION FOR MECHANICAL SYSTEMS

extent referenced. The publications are referred to in the text by the basic designation only.

NATIONAL FIRE PROTECTION ASSOCIATION (NFPA) CODE:

No. 255-1984 Surface Burning Characteristics of Building

Materials

ITALIAN LAW 30 APRIL 1976 - NO. 373:

"Standards for Energy Consumption in Buildings for Thermal Use." As modified by Law 10/91 and by DPR 4/2/93.

UNI 6823 (1998) Mineral Wool Products for Thermal and Acoustical Insulation - Determination of

Non-Fibrous Material Content - Floatation

Method.

1.2 RELATED REQUIREMENTS

The provisions of Section 15050, “Basic Mechanical Materials and Methods”, apply to this section.

1.3 MECHANICAL SYSTEMS INSULATION

Provide insulation for mechanical systems. Mechanical systems shall include plumbing, HVAC (heating, ventilating, and cooling) ductwork, equipment, and piping which is located within buildings, on buildings, and adjacent to buildings. Clean, inspect and test mechanical system and obtain written approvals (of test and inspections) from the Contracting Officer’s Technical

Representative prior to the application of insulation. Section 15050, "Basic Mechanical Materials and Methods," applies to this section, with the additions and modifications specified herein.

1.4 SUBMITTALS

1.4.1 Manufacturer's Data

a. Pipes insulation

b. Ducts insulation

c. Equipment insulation

d. Jackets

e. Aluminum jackets

2.1 INSULATION MATERIALS

Products containing asbestos will not be permitted.

2 Section 15080

2.2 DUCT INSULATION

Provide insulation with fire-retardant vapor barrier jacket (laminate kraft paper and aluminum foil reinforced with fibrous glass yarn).

2.2.1 Blanket Type Duct Insulation

Fibrous glass insulation, minimum density of 16 kg/m3, minimum of 50 mm thick. Average thermal conductivity shall be 0.040 W/moC at 24oC.

2.2.2 Rigid Type Duct Insulation

Fibrous glass insulation, minimum density of 48 kg/m3, minimum of 50 mm thick. Average thermal conductivity shall be 0.033 W/moC at 24oC.

2.3 PUMP INSULATION

2.3.1 Cellular Glass Insulation

Minimum of 50 mm thick. Average thermal conductivity shall be 0.06 W/moC at

94oC.

2.3.2 Fibrous Glass Insulation

Minimum density of 96 kg/m3, minimum of 50 mm thick. Average thermal conductivity shall be 0.036 W/moC at 50oC.

2.3.3 Polyurethane or Polyisocyanate Insulation

Minimum density of 27 kg/m3, minimum of 50 mm thick. Average thermal conductivity shall be 0.023 W/moC at 24oC .

2.4 INSULATION FOR EXPANSION TANKS, AIR SEPARATOR, DOMESTIC HOT WATER

STORAGE TANKS

2.4.1 Cellular Glass Insulation

Minimum of 100 mm thick. Average thermal conductivity shall be 0.06 W/moC at 94oC .

2.4.2 Fibrous Glass Insulation

Minimum density of 96 kg/m3, minimum of 50 mm thick. Average thermal conductivity shall be 0.033 W/moC at 24oC .

2.4.3 Calcium Silicate Insulation

Minimum of 100 mm thick. Average thermal conductivity shall be 0.06 W/moC at 94oC.

2.5 INSULATION FOR CHILLERS

Provide insulation for cold surfaces which are not factory insulated.

2.5.1 Polyurethane or Polyisocyanate Insulation

Density of 27 kg/cm3, minimum of 50 mm thick. Average thermal conductivity shall be 0.038 W/moC at 24oC .

2.5.2 Plastic Foam Insulation

Minimum of 50 mm thick. Average thermal conductivity shall be 0.038 W/moC

Section 15080 3 at 24oC

2.6 PIPING INSULATION

Provide insulation with fire-retardant vapor barrier jacket.

2.6.1 Fibrous Glass Insulation

Minimum density of 48 kg/m3. Average thermal conductivity shall be 0.033

W/moC at 24oC.

2.7 ALUMINUM JACKET

Minimum thickness of 0.4 mm, with factory-applied polyethylene and kraft paper moisture barrier on inside surface. Provide smooth surface jackets for jacket outside diameters less than 200 mm. Provide corrugated surface jackets for jacket outside diameters 200 mm and larger. Provide stainless steel bands, minimum width of 13 mm. Provide aluminum covers for fittings.

2.8 INSULATION

Insulation for fire pump is specified in Section 13930 “Wet Pipe Fire

Suppression Sprinklers”.

Clean and test mechanical systems prior to the application of insulation.

Products containing asbestos will not be permitted. Insulation materials including the completed installation shall have a fire hazard rating in accordance with NFPA 255; flame-spread rating shall not exceed 25 and smoke developed ratings shall not exceed 50 except as specified herein; smoke developed rating shall not exceed 150 for polyurethane and polyisocyanate insulations. Surfaces to be covered with insulation shall be tested for leaks, cleaned of foreign material including rust, scale, and dirt; and dried prior to application of insulation. 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 an entire 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 pipe insulation of the same pipe insulation and thickness as the adjoining pipe insulation. Provide unions, flanges, and piping accessories with readily removable sections of insulation. Provide insulation continuous through pipe hangers, pipe supports, pipe sleeves, wall openings, and ceiling opening, 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 DUCT INSULATION

Clean and test ductwork prior to the application of insulation. Provide insulation on exterior side of supply ductwork, return ductwork, outside air intake ductwork, plenums, and casings of HVAC units which are not internally insulated. Return air ductwork located within a return air plenum (i.e., space above a ceiling and used for return air) does not require insulation.

Provide insulation with a vapor barrier laminate of flame-resistant kraft paper and aluminum foil reinforced with fibrous glass yarn. Apply

4 Section 15080 insulation with joints tightly butted. Pins or anchors shall be spaced at maximum 300 mm centers; secure insulation with washers and clips. Pins or anchors shall be metal electrically welded to duct surface or shall be metal attached to duct surface with waterproof adhesive especially designed for attachment to metal surfaces. Sagging of duct insulation will not be permitted. Insulation shall be tightly and smoothly applied to the duct.

Secure insulation to metal ducts with a fire-resistant, waterproof bonding adhesive applied in 100 mm wide strips on 300 mm centers. Provide rigid type duct insulation in mechanical equipment rooms, where ductwork is exposed to view and where indicated; provide blanket type duct insulation in other locations.

3.2.1 Blanket Type Duct Insulation

Blanket type flexible fibrous glass insulation, minimum density of 16 kg/m3, minimum of 50 mm thick. Secure blanket type insulation to bottom of rectangular horizontal and sloping ducts more than 600 mm wide, in addition to adhesive, by impaling over pins or anchors; secure insulation with washers and clips.

3.2.2 Rigid Type Duct Insulation

Fibrous glass insulation, minimum density of 48 kg/m3, minimum of 50 mm thick. Secure rigid type insulation to duct by impaling over pins and anchors located not more than 80 mm from edge of insulation and spaced at maximum 300 mm centers; secure insulation with washers and clips. Around ductwork, internal insulation edges shall be beveled to suite curvature of ducts.

3.2.3 Vapor Barrier

Fill joints, breaks, punctures, and voids with vapor barrier coating compound and cover with vapor barrier jacket. At joints, the vapor barrier jacket for insulation shall be covered with a 100 mm wide pressure-sensitive vapor seal tape of material identical to jackets, or shall have 50 mm wide laps drawn tight and secured with vapor seal adhesive. The joints and openings where the facing is pierced or punctured by pins, staples, or other means shall be brush-coated with 50 mm wide strips of vapor barrier coating compound.

3.3 EQUIPMENT INSULATION

Clean and test equipment prior to the application of insulation.

3.3.1 Pump Insulation

Cellular glass insulation, minimum of 50 mm thick: fibrous glass insulation, minimum density of 96 kg/m3, minimum of 50 mm thick; or polyurethane or polyisocyanate insulation, minimum density of 27 kg/m3, minimum of 50 mm thick. Provide chilled water and hot water pumps with insulated metal casings properly shaped for a correct fit and designed for easy removal and replacement. Joints shall coincide with joints in each pump casing. Apply insulation with fibrous glass fabric. Apply fabric in waterproof adhesive. Coat fabric with waterproof aluminum-pigmented mastic to a minimum total thickness of 3 mm.

3.3.2 Insulation for Expansion Tanks, Air Separators, Domestic Water Heater, Exposed Equipment for Heating, Chilled and Domestic Water Systems

Cellular glass insulation, minimum of 100 mm thick; fibrous glass insulation, minimum density of 96 kg/m3, minimum of 50 mm thick; or calcium silicate insulation, minimum of 100 mm thick; or polyurethane or polyisocyanate insulation, minimum of 50 mm thick. Secure insulation with

Section 15080 5

No. 1.6 mm galvanized steel or copper-clad wire or 20 mm wide, 0.4 mm thick galvanized bands, each spaced on 300 mm centers. Miter or score block to ensure tight joints. Seal joints with insulating mastic. Provide insulation with 13 mm thick hard-finish cement applied over zinc-coated wire netting; finish with fibrous glass fabric, smoothly adhered with waterproof adhesive. Coat fabric with waterproof aluminum-pigmented mastic to a minimum total thickness of 3 mm.

3.4 PIPING INSULATION

Clean and test aboveground piping systems prior to the application of insulation. Insulate fittings with the same material and thickness as adjacent runs of pipe. Pipe insulation shall be continuous through wall and floor openings, and pipe sleeves except where otherwise detailed. Sleeves shall be sized accordingly. For hot water piping inside building that is located more than 1.8 m above the floor, terminate the insulation immediately adjacent to each end of unions, flanges, pressure-regulating valve assemblies, trap assemblies, strainers, and valves. Pipe insulation shall be continuous through hangers. For insulation protection shields provide rigid pipe insulation of the same thickness as adjacent pipe insulation and having a minimum compressive strength of 240 kPa or provide hardwood plugs having a minimum of 6.5 cm2 bearing surface with the wood grain perpendicular to the pipe, between the insulation protection shield and the pipe; except insulation having a minimum density of 112 kg/m3 may be provided between the insulation protector and the pipe for piping 50 mm and smaller. Install pipe insulation with joints tightly butted. Overlap longitudinal jacket laps not less than 40 mm. Wrap butt joints with butt strips not less than 80 mm wide of identical material to 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 pierced or punctured, brush coat with vapor barrier coating to provide a vapor-tight covering. For concealed hot water piping, adhesive is not required when jacket is secured with flared staples on 100 mm centers. 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

25 mm and less, pipe insulation for elbows, tees, and valves may be mitered.

3.4.1 Insulation for Chilled Water, Heating Hot Water, Domestic Water, and

Cold Drain Piping from Drain Pans

Fibrous glass insulation, minimum density of 48 kg/m3 with a factory-applied vapor barrier jacket; or polyurethane or polyisocyanate insulation with a vapor barrier jacket. For chilled water piping and 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 4.5 meters.

3.4.1.1 Chilled Water, Hot Water and Domestic Hot Water Piping

Fibrous glass insulation thickness for the various pipe sizes shall be in accordance with Law No. 373, 30 April 1976 as modified by Law 10/91 and DPR

4/2/93, as listed below for a fluid temperature less than (85oC):

Pipe Size Fibrous Glass Insulation Thickness

Millimeters Average Thermal Conductivity

0.041 W/moC at 50oC

Indoors Outdoors

6 Section 15080

15 mm 25 mm 30 mm

20 mm - 40 mm 30 mm 40 mm

50 mm - 80 mm 40 mm 50 mm

100 mm 50 mm 60 mm

150 mm 50 mm 60 mm

200 mm 60 mm 75 mm

3.4.1.2 Cold Drain Piping

Pipe shall have minimum of 25 mm thick fibrous glass insulation. Do not insulate cold drain piping exposed to the weather.

3.4.1.3 Cold Domestic Water Piping

Pipe sizes less than 80 mm shall have minimum of 25 mm thick fibrous glass insulation. Pipes sizes of 80 mm and 100 mm shall have minimum of 40 mm thick fibrous glass insulation. Pipe sizes 125 mm and larger shall have minimum of 50 mm thick fibrous glass insulation. Waste and (hot) water supply pipes for handicapped lavatories shall be insulated with 40 mm thick insulation.

3.4.2 Insulation Covering Not Exposed to the Weather

Provide piping insulation, except for plastic foam insulation, with manufacturer's standard fire-retardant vapor barrier jacket. Contractor may use one-piece pre-mold polyvinylchloride fitting covers with fibrous glass insulation inserts of same thickness as pipe insulation.

3.4.3 Insulation Covering Exposed to the Weather

Provide piping insulation with aluminum jacket, except for plastic foam insulation. Install electric heat tape on piping, where indicated, prior to installing insulation. Machine cut the jacket to produce a straight, smooth edge. Lap longitudinal seams and circumferential seams not less than 50 mm.

Install jackets on horizontal piping with the longitudinal seam approximately midway between horizontal centerline and the bottom side of pipe. Install with the top edge of jacket overlapping the bottom edge of jacket with the seam of each jacket slightly offset from the seam of the adjacent jacket. Install jackets on vertical piping and on piping pitched from the horizontal from low point to high point so the lower circumferential edge of each jacket overlaps the jacket below it. Provide special fabricated jackets for fittings, valves, and flanges. Finish jackets neatly at pipe hangers and pipe supports. Terminate jackets neatly at the ends of unions, valves, traps, and strainers. Secure jacket with stainless steel bands spaced not more than 200 mm on centers.

3.5 PAINTING AND IDENTIFICATION

Painting shall be in accordance with Section 09900, "Paints and Coatings."

Piping identification shall be in accordance with Section 15050, "Basic

Mechanical Materials and Methods."

3.6 FIELD INSPECTIONS

Visually inspect the insulation installation of all mechanical systems to ensure that materials conform to requirements specified herein.

Section 15514 1

SECTION 15514

LOW PRESSURE WATER HEATING BOILERS

(UNDER 235 KW)

ITALIAN LAWS AND DECREES RELATING TO HEATING PLANTS, IN PARTICULAR:

Law No. 615, 13 July 1966 Provisions Against Atmospheric Pollution.

Decree No. 1391, 22 December 1970: Regulations for the Execution of Law No.

615.

ITALIAN NATIONAL ASSOCIATION FOR COMBUSTION CONTROL (ANCC) (NOW ISPESL)

Technical Circular No. 14/77, 10 June 1977 “R Collection”

UNI EN 10255 (2005) Non-alloy steel tubes suitable for welding and threading – Technical delivery conditions.

UNI EN 1057 (1997) Copper and Copper Alloys. Seamless, Round Copper Tubes for Water and Gas in

Sanitary and Heating Applications.

ITALIAN SUPERIOR INSTITUTE FOR ACCIDENT PREVENTION AND SAFETY AT WORK

(ISPESL) PUBLICATIONS:

D.P.R. 27 April 1955 No. 547

ITALIAN WELDING INSTITUTE

Applicable publications.

1.3 SUBMITTALS

1.3.1 Shop Drawings and Catalog Cuts

Submit to the Contracting Officer’s Technical Representative shop drawings and catalog information showing plan, elevations, dimensions, capacities, all safety devices, and ratings for the following:

a. Boilers

b. Aboveground fuel oil storage tank

c. Aboveground Fuel oil piping

2 Section 15514

d. Containment Conduit Piping

e. Valves

f. Boiler stack

1.3.2 Manufacturer's Certificate

Submit to the Contracting Officer manufacturer's certificate of boiler performance.

1.3.3 Operation and Maintenance Manuals:

a. Boilers and all safety devices

1.4 GENERAL

1.4.1 General Requirements

General requirements include those specified in Section 15050, "Basic

Mechanical Materials and Methods", and the additional requirements specified herein below.

1.4.2 Associated Work

Other work associated with heating, hot water system including insulation of equipment and piping, hot water piping, space temperature controls, vibration isolation, painting and marking of equipment, and testing and balancing air and water system is covered in other sections of this specification.

1.4.3 Classes and Maximum Working Pressure

Except as specified otherwise, equipment and piping components shall be suitable for use under the maximum working pressures indicated. Except as modified herein, the pressure and temperature limitations shall be as specified in the referenced standards and specifications. All pressures in this specification are in units above atmospheric pressure (Gage Pressure).

1.4.4 Standard Commercial Product for Boilers

Boilers shall be the manufacturer's standard commercial product constructed in accordance with ASME. Prior to commencement of construction, the

Contractor shall submit a certified written report from the boiler manufacturer to show that substantially identical equipment of comparable capacity (within 20 percent) has been successfully installed and operated in at least three installations under similar operating conditions. The report shall include the date of installation, type, model, capacity, and address location of installed boilers. A standard commercial product is a product which has been sold or is currently being offered for sale on the commercial market through advertisements or manufacturer's catalogs or brochures.

1.4.5 Service Availability

The Contractor shall submit a certified list of qualified permanent service organizations for boilers, boiler controls, and instrumentation which includes their addresses and qualifications. These 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.

1.4.6 Safety Standards

1.4.6.1 Welding

Section 15514 3

Safety in welding and cutting of pipe shall conform to the Italian Welding

Institute.

1.4.6.2 Guards

Couplings, motor shafts, gears and other moving parts shall be fully guarded. Guards shall be cast iron or expanded metal. Guard parts shall be rigid and suitably secured and be readily removable without disassembling the guarded unit.

2.1 PIPE AND PIPE SYSTEM

Section 15181, "Chilled Water and Hot Water Piping".

2.2 PUMPS

2.3 EXPANSION TANKS

2.4 BOILERS

2.4.1 General

Hot water boiler shall be factory assembled, modular type , designed for natural gas combustion, hermetic combustion box air-gas mixture, condensate type. The boiler shall be designed for a working pressure of 300 kPa and test pressure of 450 kPa. The boiler shall be insulated and have removable steel panels, with corrosion-resistant finish. The boiler and its accessories shall be designed and installed to permit ready accessibility for operation, maintenance, and service. The boiler shall be provided with the necessary connections and shall be equipped with pressure gauge, test well, thermometer, water temperature regulator, low water cut-off, relief valve, high temperature manual reset thermostat, high pressure manual reset pressure switch, flow switch on hot water return pipe, emergency shut-off switch for burner and fuel, all installed and connected in accordance with

ISPESL regulations. Coordinate operation of safeties with water heater specified in Section 15400, "Plumbing". The boilers shall be placed on a reinforced 100 millimeter thick concrete pad. The boilers shall have a standard nameplate containing the manufacturer's name and address, the trade name and catalog number of the boiler, maximum continuous rating, securely affixed in a conspicuous place.