Atch_2_Statement_of_Work_(SOW).pdf

MOUNT RUSHMORE NATIONAL MEMORIAL

RENOVATE MAIN RESTROOMS FROM THE PARKING

STRUCTURES

PMIS 305644

Drawing No: 323-80071

PROJECT SPECIFICATIONS

NATIONAL PARK SERVICE

FINAL CONSTRUCTION DOCUMENTS

15 FEBRUARY 2024

REG

IS

TE

RE

D P

ROFESSIONA L A RCHITECT

SOUT H DA KOTA

14417

STEPHEN R. SMITH

REG. NO.

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TABLE OF CONTENTS

DIVISION 01 - GENERAL REQUIREMENTS

Section 01 10 00 - Division 01 Short Form General Requirements

DIVISION 02 – SITE WORK

Section 02 41 00 – Building Demolition

DIVISION 05 – METALS

Section 05 50 00 – Metal Fabrications

DIVISION 06 – WOOD, PLASTICS AND COMPOSITES

Section 06 10 00 – Rough Carpentry Section 06 20 00 – Finish Carpentry

DIVISION 07 – THERMAL AND MOISTURE PROTECTION

Section 07 20 00 – Building Insulation Section 07 24 00 – Insulation and Finish System (EIFS) Section 07 60 00 – Flashing and Sheet Metal Section 07 92 00 – Joint Sealers

DIVISION 08 – OPENINGS

Section 08 11 00 – Metal Doors and Frames Section 08 71 00 – Hardware and Specialties Section 08 71 13 – Automatic Door Operators

DIVISION 09 – FINISHES

Section 09 06 90 – Color Schedule Section 09 29 00 – Gypsum Drywall Section 09 30 00 – Tile Section 09 90 00 – Painting Section 09 93 00 – Resinous Floor Coatings

DIVISION 10 – SPECIALTIES

Section 10 21 13 – Toilet Compartments and Cubicles Section 10 28 13 – Toilet Accessories Section 10 44 16 – Fire Fighting Devices

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DIVISION 22 - PLUMBING

Section 22 04 00 - Common Requirements For Plumbing Section 22 05 29 - Hangers And Supports For Plumbing Piping And Equipment Section 22 05 53 - Identification For Plumbing Piping And Equipment 3 Section 22 07 19 - Plumbing Piping Insulation 5 Section 22 10 05 - Plumbing Piping 12 Section 22 10 06 - Plumbing Piping Specialties 6 Section 22 30 00 - Plumbing Equipment 5 Section 22 34 00 - Commercial Fuel-Fired Domestic Water Heaters 4 Section 22 40 00 - Plumbing Fixtures

DIVISION 23 - HEATING, VENTILATING, AND AIR-CONDITIONING (HVAC)

Section 23 04 00 - Common Requirements For Hvac Section 23 05 53 - Identification For Hvac Piping And Equipment Section 23 05 93 - Testing, Adjusting, And Balancing For Hvac Section 23 07 13 - Duct Insulation Section 23 07 19 - Hvac Piping Insulation Section 23 21 13 - Hydronic Piping Section 23 21 23 - Hydronic Pumps Section 23 31 00 - Hvac Ducts And Casings Section 23 33 00 - Air Duct Accessories Section 23 34 23 - Hvac Power Ventilators Section 23 37 00 - Air Outlets And Inlets Section 23 52 23 - Cast-Iron Boilers Section 23 74 33 - Packaged Heating And Cooling Makeup Air Units Section 23 81 26.13 - Small-Capacity Split-System Air Conditioners

DIVISION 26 - ELECTRICAL

Section 26 04 00 - Common Requirements For Electrical Section 26 05 19 - Low-Voltage Electrical Power Conductors And Cables Section 26 05 26 - Grounding And Bonding Section 26 05 29 - Hangers And Supports Section 26 05 33.13 - Conduit Section 26 05 33.16 - Boxes Section 26 05 53 - Identification For Electrical Systems Section 26 05 83 - Wiring Connections Section 26 51 00 - Interior Lighting

DIVISION 31 – EARTHWORK

Section 31 02 20 – Earthwork Section 31 10 00 – Site Clearing

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DIVISION 32 – EXTERIOR IMPROVEMENTS

Section 32 13 13 – Concrete Paving Section 32 29 30 – Seeding and Sodding Section 32 – Modular Concrete Block Retaining Wall

DRAWINGS

Appendices A. Drawings (submitted under separate cover)

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SECTION 02 41 00

BUILDING DEMOLITION

PART 1 - GENERAL

1.1 REQUIREMENTS OF REGULATORY AGENCIES

A. All demolition work shall be accomplished in accordance with all applicable local, state and federal requirements.

B. The Contractor shall be responsible for adhering to all requirements of NFPA 241 – Standard for Safeguarding Construction, Alteration, and Demolition Operations.

1.2 ASBESTOS-CONTAINING MATERIALS (ACM)

A. There are no known asbestos-containing materials (ACM) in the project work areas. If, during removal work, the Contractor discovers any additional material which he suspects may contain asbestos, he shall immediately notify the Government and cease work in close proximity to the suspected ACM. The Government will then arrange for the testing and removal of any ACM. If time delays are encountered because of required asbestos removal work, the schedule shall be adjusted accordingly by Change Order.

1.3 LEAD-BASED PAINT

A. There are no known materials in the project work areas that contain lead-based paint over the allowable threshold. All costs associated with lead paint testing, removal and precautions are the responsibility of the Contractor.

1.4 OWNERSHIP OF REMOVED MATERIALS

A. The Government reserves the right to remove any items from the building or site areas prior to the start of demolition by the Contractor and to retain such items as his property.

B. Items to be removed by the Contractor and reinstalled by him include the following:

1. Items noted on the Drawings

C. Items to be removed and retained by the Government prior to the start of demolition work are as listed below or on the Drawings. Coordinate with the Government regarding scheduling removal work by the Government so such items are removed to the appropriate time so the building’s functional and security needs are maintained. Items to be removed and retained by the Government prior to the start of demolition work include the following:

1. Items noted on the Drawings

D. Items to be removed by the Contractor and turned over to the Government include the following:

1. Items noted on the Drawings

E. Any items still remaining when Contractor enters each particular work area to start demolition work shall be removed and disposed of at no additional expense to the Government. All other items scheduled to be removed shall become the property of the Contractor, and shall be removed from the site. Material shall not be stored on the site for sale, nor shall the Contractor conduct any sale on the site.

1.5 MATERIAL RECYCLING/REUSE

A. The following materials removed as part of this project shall be sent to a recycle/reuse facility in lieu of a landfill or other waste facility:

1. Cardboard

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2. Paper

3. Plastic

4. Glass

5. Gypsum drywall

6. Metal

7. Foam insulation

B. Several possible recycle/reuse sources:

1. Nationwide Foam, Inc. (888-820-2760, www.nationwidefoam.com)

2. Construction Materials Recycling Association (www.cdrecycling.org)

3. Building Materials Reuse Association (www.bmra.org)

4. American Recycling Center (989-725-5100, www.americanrecycling.com)

1.6 REVIEW OF DEMOLITION SCOPE BEFORE BIDDING

A. The Contractor shall be responsible for performing all work and providing all materials required to achieve the design intent shown on these Drawings. The Government will not be responsible for any additional expense to the Contractor if the conditions causing those expenses could have been discovered in an on-site inspection prior to bid submittal.

1.7 PROTECTION OF EXISTING BUILDINGS AND STRUCTURES

A. The Contractor shall guard against, and be responsible for, any movement, settlement, or collapse of adjacent buildings, structures, sidewalks, street passages, and underground utilities.

B. The Contractor shall repair damage done to Government property or any other property, on or off premises, by reason of required work.

C. Safety barricades and/or fences shall be provided as required during demolition operations and shall be left in place until sufficient replacement construction is completed.

D. Dustproof barriers shall be erected as required to prevent the spread of construction dust into adjacent areas outside the construction activity.

1.8 NOISE CONTROL

A. The Contractor shall use reasonable consideration in avoiding excessive or unnecessary noise during normal business hours.

1.9 SUBMITTALS

A. During the course of the demolition work, submit monthly reports to the Government indicating quantities of materials sent to recycling/reuse facilities (in lieu of landfills or other waste facilities) in accordance with General Requirements, Item 9, Paragraph 9.2.

PART 2 - PRODUCTS

2.1 MATERIALS

A. Barricade materials may consist of sound salvage materials, free of nails and sharp projections.

PART 3 - EXECUTION

3.1 REMOVALS

A. Locate demolition equipment throughout the structure and remove materials so as to not impose excessive loads to supporting structural framing.

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B. Dispose of rubbish, debris and material resulting from demolition and removal operations to an offsite area within a maximum of one week from the date of the removal from its original installation.

END OF SECTION

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SECTION 05 50 00

METAL FABRICATIONS

PART 1 - GENERAL

1.2 QUALITY ASSURANCE

A. Manufacturer shall have produced the types of stair and railing systems required for not less than ten (10) years, with not less than five (5) similar projects that have been in successful use for not less than five (5) years.

B. Installer shall have a minimum of five (5) years experience in the successful installation of steel stair and railing systems of the type indicated for this project.

C. Applicable Standards and Codes:

- 2010 ADA Standards for Accessible Design

- Architectural Barriers Act Accessibility Standards

- 2021 International Building Code (IBC)

- OSHA Standards.

D. Take field measurements prior to preparation of Shop Drawings and fabrication, where possible.

Fabricate, fit and assemble miscellaneous metal items in the shop. Work that cannot be permanently shop-assembled shall be completely assembled, marked, and disassembled before shipment to ensure proper assembly in the field.

1.1 GUARDRAIL PERFORMANCE REQUIREMENTS

A. Manufacturer shall engineer and fabricate guardrail assemblies capable of withstanding the following structural loads without exceeding the allowable design working stresses of the materials involved, including anchors and connections:

1. Top Rail:

a. Concentrated load of 200 lbf applied at any point and in any direction.

b. Uniform load of 50 lbf/ft. applied horizontally and concurrently with uniform load of 50 lbf/ft applied vertically downward.

2. Parapet Guardrail:

a. Concentrated load of 200 lbf applied at any point and in any direction.

b. Uniform load of 50 lbf/ft. applied horizontally and concurrently with uniform load of 50 lbf/ft. applied vertically downward.

1.4 SUBMITTALS

A. Submit Shop Drawings for all items herein specified in accordance with General Requirements, Item 9, Paragraph 9.2. Include plans, elevations, details of sections, connections and anchorages.

PART 2 - PRODUCTS

2.1 MATERIALS

A. For metal work which will be exposed to view, use only materials which are smooth and free of surface blemishes.

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2.2 METALS

A. Unless otherwise shown or specified, metals for fabrication or miscellaneous metal items and fastenings shall be as follows:

Steel Plates, Shapes and Bars ASTM A 36 Steel Tubing ASTM A 500, Grade B Steel Pipe ASTM A 53, Grade B, Schedule 40 Steel Bar Grating ASTM A 569 or ASTM A 36 Structural Steel Sheet ASTM A 611 High Strength Steel Bolts ASTM A 325

2.3 FABRICATION

A. Form exposed work true to line and level. Ease exposed edges to a 1/32-inch radius. Form bent metal corners to smallest radius possible without causing grain separation or otherwise impairing work with exposed faces flat, smooth and free of deformation or distortion. Use concealed fasteners wherever possible. Use exposed fasteners of type shown, or if not shown, use Phillips flat head, countersunk screws or bolts. Fasteners for galvanized items shall be galvanized or stainless steel. Provide zinc-coated fasteners for exterior use or where built into exterior walls. Select fasteners for the type, grade and class required.

B. Form exposed connections with hairline joints, flush and smooth. Weld corners and seams continuously, complying with AWS recommendations. At exposed connections, grind exposed welds smooth and flush.

C. Cut, reinforce, drill and tap miscellaneous metal work as required to receive hardware and similar items.

2.4 GALVANIZING

A. Provide a zinc-coating according to ASTM A 153, ASTM A 123, or ASTM A 386 for those items shown to be galvanized, including the following:

1. Items shown on the Drawings.

2.5 WEATHER EXPOSURE

A. Fabricate joints which will be exposed to the weather in a manner to exclude water and/or provide weep holes where water may accumulate.

2.6 SHOP PAINTING

A. Remove deleterious materials. Clean in accordance with SSPC SP1 "Solvent Cleaning", SSPC SP3 "Power Tool Cleaning", or SSPC SP6 "Commercial Blast Cleaning".

B. Shop paint all steel and iron fabrications, except portions of members to be embedded in concrete or masonry, field-welded, or galvanized, unless otherwise noted. Immediately after preparation, prime metal fabrications with metal primer in full coverage of all faces, joints, corners, edges and other exposed surfaces with finished surfaces smooth and free of all runs, sags or misses.

2.7 ITEMS TO BE FABRICATED

A. Guardrails shall be standard weight steel pipe with ends capped, unless noted otherwise on the Drawings. Guardrails shall conform to the International Building Code and OSHA requirements.

Guardrails shall be 1 1/2-inch nominal size.

B. Steel angles shall be provided for metal duct support at all roof openings greater than 12" x 12" in size.

Angles shall extend to adjacent beams or joists and shall be installed on all four (4) sides except where

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openings are immediately adjacent to joists. Angles shall be 4" x 4" x 1/4" unless noted otherwise on the Drawings.

C. Fabricate miscellaneous and incidental items as shown on the Drawings or as required to complete the work. Miscellaneous items include, but are not limited to the following:

1. Guardrails.

2. All other miscellaneous metal items as indicated on the Drawings.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine conditions under which components will be installed with manufacturer’s documented requirements. Notify the Contractor in writing of any condition which will prevent satisfactory completion of work. Do not proceed until such defects are entirely corrected.

3.2 INSTALLATION

A. Set work accurately in location, alignment and elevation, plumb, level, true and free of rack. Provide temporary bracing for items to be built into concrete or masonry.

B. All steel items placed below grade or into concrete shall be coated or covered with asphaltic coating upon completion of placement or attachment to building construction.

C. Provide blocking anchors, plates, angles, hangers and struts required for installation.

D. Allow for erection loads, and for sufficient temporary bracing to maintain true alignment until completion of erection and installation of permanent attachments.

E. Field weld components indicated on shop drawings. Perform field welding in accordance with AWS D1.1.

F. Field bolt and weld to match shop bolting and welding. Conceal bolts and screws whenever possible.

Where not concealed, use flush countersunk fastenings.

G. Field welds shall be recoated to match surrounding material.

H. Erection tolerances:

Maximum Variation from Plumb per Member: 1/8 inch.

Maximum Offset from True Alignment: 1/8 inch.

3.3 COATING TOUCH-UP

A. For galvanized surfaces, clean field welds, bolted connections, and abraded areas and apply two coats of galvanized repair paint.

B. Immediately after erection, clean abraded shop-painted areas, and paint exposed areas with same prime paint as used for shop painting. Provide minimum 2.0 mils thickness.

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SECTION 06 10 00

ROUGH CARPENTRY

PART 1 - GENERAL

1.1 REFERENCES

A. FM Global (FMG)

1. FMG Loss Prevention Data Sheet 1-49, latest edition

B. American Wood-Protection Association (AWPA):

1. AWPA E12 - Standard Method of Determining the Corrosion of Metal in Contact with Wood.

2. AWPA M4 - Standard for the Care of Preservative Treated Wood Products.

3. AWPA P5 - Standard for Waterborne Preservatives.

4. AWPA P23 - Standard for Chromated Copper Arsenate Type C (CCA-C).

5. AWPA P25 - Standard for Inorganic Boron (SBX).

6. AWPA P47 - Standard for DCOI/Imidacloprid/Stabilizer, Waterborne (EL2).

7. AWPA P48 - Standard for Copper Azole Type C (CA-C).

8. AWPA T1 - Use Category System: Processing and Treatment Standard.

9. AWPA U1 - Use Category System: User Specification for Treated Wood.

1.2 QUALITY ASSURANCE

A. Comply with PS 20 and with applicable rules of the respective grading and inspecting agencies for species and products indicated. Comply with PS 1-74 (ANSI 199.1) or, for products not manufactured under PS 1-74 provisions, with applicable APA Performance Standard for type of panel indicated. Identify each plywood panel with the appropriate APA Trademark. All stress grades and stress criteria shall be based on the National Design Specifications for Wood Construction, latest edition.

1.3 SUSTAINABILITY REQUIREMENTS

A. Adhesives and sealants that comply with the following requirements:

1. Adhesives, sealants and sealant primers must comply with the South Coast Air Quality

Management District (SCAQMD) Rule #1168, which limits their VOC content by product type.

2. Aerosol adhesives must comply with Green Seal Standard for Commercial Adhesives GS-36 requirements in effect October 19, 2000.

1.4 STORAGE

A. Store rough carpentry materials on bunks or skids at least 6 inches above the ground, and protect materials from weather with waterproof covers.

1.5 JOB CONDITIONS

A. Fit carpentry work to other work; scribe and cope as required for accurate fit. Correlate location of furring, nailers, blocking, grounds, and similar supports to allow proper attachment to other work.

PART 2 - PRODUCTS

2.1 MATERIALS

A. Lumber shall be S4S, kiln dried, with 19 percent maximum moisture content at time of dressing. Lumber shall be grade stamped in accordance with the latest edition of the standard grading rules of NELMA, SPIB, WCLIB, WWPA or NLGA (or equivalent Canadian governing authority).

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B. Treat wood shall be lumber or plywood chemically treated as required by the AWPA standard for the intended end use.

2.2 MISCELLANEOUS PLYWOOD

A. Miscellaneous Concealed Plywood: C-C plugged exterior.

B. Miscellaneous Exposed Plywood: A-D interior.

C. Electrical/Telephone Backing Panels: C-D Plugged, Exposure 1 plywood, fire-retardant treated, ¾-inch thick.

2.3 MISCELLANEOUS MATERIALS

A. Fasteners and anchorages shall be of the size, type, material and finish as indicated below or on the Drawings and as recommended by applicable standards complying with applicable Federal Specifications for nails, (staples), screws, bolts, nuts, washers and anchoring devices. Metal anchors shall be of the size and type recommended by the manufacturer for each use. Where rough carpentry work is exposed to the weather, in ground contact, or in areas of high humidity, provide fasteners and anchorages with a hot-dip zinc coating (ASTM A 153).

B. Miscellaneous Fastenings. Spikes, screws, lag bolts, and other miscellaneous fastenings and rough hardware shall be as shown on the Drawings, or as required to assemble and secure rough carpentry items. All fasteners associated with exterior work shall be galvanized finished.

C. Adhesives shall conform to Specification AFG-01 of the American Plywood Association.

PART 3 - EXECUTION

3.1 MISCELLANEOUS WOOD BLOCKING

A. Erect miscellaneous blocking as shown on the Drawings or as required to secure materials to rough construction.

B. Anchoring of blocking to steel or concrete shall be by bolted connections. Bolts shall be 1/2" diameter located 12" from each end and at 4' centers maximum, unless otherwise shown on the Drawings or specified herein.

3.2 CONCEALED BLOCKING

A. Wood blocking shall be nominal 2" thick and secured to structural members for the anchorage of all surface-mounted items. Blocking shall be provided and installed as recommended by the manufacturer of the product to be mounted on the wall. Blocking shall be installed for, but not limited to, the following items:

1. Wall-mounted or base-mounted door stops in new walls

2. Wall and base cabinets

3. Toilet accessories

4. Fire extinguisher cabinets

5. Toilet partition and urinal screen support brackets

3.3 INSTALLATION OF TREATED WOOD

A. Field cuts shall be coated with a concentrated solution of preservative treatment. Treated lumber shall be anchored in place as specified earlier in this section for blocking unless shown otherwise on the Drawings.

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3.4 ALLOWABLE TOLERANCES

A. The following tolerances establish the range of acceptable variances. Assure that work outside this range is removed; act to prevent reoccurrence.

1. Lumber

a. Straightness, no bows exceeding 0.1%, i.e., 1/8-inch in 10 feet, 1/16-inch in 5 feet.

b. No twisted or split lumber allowed.

c. Moisture content not to exceed 14% when installed.

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SECTION 06 20 00

FINISH CARPENTRY

PART 1 - GENERAL

1.1 SCOPE

A. This Section relates to the following work categories:

1. Interior solid polymer material for wall caps, window sills, lavatory counter/bowl assemblies and architectural casework counters and trim

1.2 QUALITY ASSURANCE

A. Comply with applicable requirements of “Architectural Woodwork Quality Standards” published by the Architectural Woodwork Institute (AWI), latest edition, except as otherwise indicated.

1.3 SUSTAINABILITY REQUIREMENTS

A. Use adhesives and sealants that comply with the following requirements:

1. Adhesives, sealants and sealant primers must comply with the South Coast Air Quality

Management District (SCAQMD) Rule #1168, which limits their VOC content by product type.

2. Aerosol adhesives must comply with Green Seal Standard for Commercial Adhesives GS-36 requirements in effect October 19, 2000.

1.4 SUBMITTALS

A. Shop Drawings shall be submitted in accordance with Section 01 33 00 for all solid polymer fabrications.

1.5 PRODUCT DELIVERY, STORAGE, AND HANDLING

A. Material shall be delivered in the original packages, with seals unbroken and with manufacturer’s name and brand stamped clearly thereon. No seconds or remnants shall be used. No materials shall be delivered or stored in the building until all glazing has been completed and all exterior openings closed in.

Store materials indoors or on skids, at least 6 inches above the ground under waterproof coverings.

1.6 JOB CONDITIONS

A. Installer shall advise Contractor of temperature and humidity requirements for finish carpentry installation areas. Do not install interior finish carpentry materials until required temperature and relative humidity conditions have been stabilized and will be maintained in installation areas.

B. Finish carpentry materials shall not be installed until masonry and wallboard joint tape is thoroughly dry and the interior of the building is dried out.

PART 2 - PRODUCTS

2.1 INTERIOR FINISH CARPENTRY MATERIALS

A. Solid polymer material for ledges as shown on the Drawings, shall be ½” thick cast, non-porous, through-body acrylic boards meeting ANSI Z124.3 or Z124.6, Type 6D. Superficial damage to a depth of 0.010 inch shall be repairable by sanding and/or polishing. Material shall comply with the following Class A (Class I) surface burning characteristics as determined by testing identical products per UL 723 (ASTM E84): 1) Flame Spread Index: 25 or less, 2) Smoke Developed Index: 450 or less. Finish shall be matte. Color shall be as indicated in Section 09 06 90, Color Schedule. Acceptable products are the following (or approved equal):

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1. Corian by E.I DuPont de Nemours & Co., Inc.

2. Solid Surfacing by Formica Corp.

3. Avonite by Avonite Surfaces

4. Staron

B. Joint adhesive for solid polymer materials shall be manufacturer’s standard two-part adhesive to create inconspicuous, non-porous joints by chemical bond.

C. Counter support bracket shall be by A&M Hardware, size: 18” x 24” (www.aandmhardware.com).

PART 3 - EXECUTION

3.1 FABRICATION OF SOLID POLYMER MATERIAL

A. Factory fabricate components to the greatest extent practical to sizes and shapes indicated, in accordance with approved shop drawings and manufacturer’s printed instructions and technical bulletins.

Form joints between components using manufacturer’s standard joint adhesive, without conspicuous joints. Reinforce joints as required.

B. Rout and finish component edges with clean, sharp returns. Rout cutouts, curves and contours to template. Provide smooth edges. Repair or replace defective or inaccurate work.

3.2 INSTALLATION – GENERAL

A. Discard materials which are unsound, warped, bowed, twisted, improperly treated, not adequately seasoned or too small to fabricate work with minimum of joints or optimum jointing arrangements, or which are of defective manufacture with respect to surface, sizes or patterns.

B. Install the work plumb, level, true, and straight with no distortions. Shim as required using concealed shims. Install to a tolerance of 1/8 inch in 8’-0” for plumb and level, 1/16 inch maximum offset in flush adjoining surfaces and 1/8 inch maximum offsets in revealed adjoining surfaces. Joints shall be tight and made in a manner to conceal shrinkage. Scribe and cut work to fit adjoining work, and refinish cut surfaces or repair damaged finish at cuts.

C. Anchor finish carpentry work to anchorage devices or blocking built-in or directly attached to substrates.

Secure to grounds, stripping and blocking with countersunk, concealed fasteners and blind nailing as required for a complete installation. Except where prefinished matching fastener heads are required, use fine finishing nails for exposed interior nailings, countersunk and filled flush with finished surface, and matching final finish where transparent finish is indicated.

3.3 INSTALLATION OF SOLID POLYMER MATERIAL

A. Install components plumb, level and secure, scribed to adjacent finishes, in accordance with approved shop drawings and manufacturer’s instructions.

B. Form field joints using adhesive, with joints inconspicuous in the work. Reinforce joints as required.

C. Keep components clean during installation. Remove adhesive, sealants and other stains. Keep components clean and protect after installation. Replace stained or damaged components.

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SECTION 07 20 00

BUILDING INSULATION

PART 1 - GENERAL

1.1 RELATED PRODUCTS SPECIFIED ELSEWHERE

Insulation board for EIFS system Section 07 24 00 Metal Z Furring Section 09 29 00

1.2 QUALITY ASSURANCE

A. All insulating materials and methods of installation shall comply with all applicable building and fire codes.

B. Spray foam insulation subcontractor shall utilize employees who have been certified by the Spray Polyurethane Foam Alliance’s Professional Certification Program for spray foam insulation applicators.

Superintendent in charge of the spray foam insulation work crew shall have completed the Center for the Polyurethane Industry’s SPF Chemical Health and Safety Training Course.

1.3 SUBMITTALS

A. Submit product data for spray foam insulation, rigid insulation, and insulation sheathing in accordance with General Requirements, Item 9, Paragraph 9.2.

1.4 PRODUCT DELIVERY, STORAGE AND HANDLING

A. Protect insulation from physical damage and from becoming wet, soiled, or covered with ice or snow.

Comply with the manufacturer’s recommendations for handling, storage and protection during installation.

B. Do not expose plastic insulation to sunlight, except to the extent necessary for the period of installation and concealment. Protect plastic insulation against ignition at all times. Do not deliver plastic insulating materials to project site ahead of installation time. Complete installation and concealment of plastic materials as rapidly as possible in each area of work.

1.5 SPECIAL SAFETY PROVISIONS FOR SPRAY FOAM INSULATION

A. Notify building occupants and other contractors working in the area where spray foam insulation is to be installed of any special precautions necessary (including possible evacuation) while spray foam insulation is being applied at least two hours in advance of the start of spray foam insulation installation.

B. During application, the following shall be required unless in conflict with the manufacturer’s recommendations or requirements of a recognized legal authority, in which case, the manufacturer’s recommendations or the legal authority’s requirements shall take precedence:

1. Air Masks: Wear fresh air supply masks when applying foam or when handling hazardous liquid materials. Respiratory protective devices shall be as recommended by AIHA Z88.6. Instruct personnel required to use respiratory protective devices in the use of the devices. Maintain such equipment and inspect regularly.

2. Eye and Face Masks: Use eye and face protection during materials application. Eye and face protective equipment shall meet the requirements of ANSI/ISEA Z87.1.

3. Clothing and Gloves: Wear protective clothing and gloves during materials application. Skin areas not covered by clothing shall be protected by protective creams.

4. Venting of Material Containers: Partially unscrew material containers and drum caps to gradually vent the containers prior to opening. Do not inhale vapors. Decontaminate empty component containers by filling with water and allowing to stand for 48 hours with caps removed. Under no circumstances seal, stop, or close the containers which have been emptied of the foam components.

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1.6 JOB CONDITIONS

A. Install rigid insulation with adhesive and spray foam insulation when temperature is at least 32 deg. F.

B. Proceed with installation of perimeter insulation only after subsequent work, which conceals the insulation, is ready to be performed.

PART 2 - PRODUCTS

2.1 RIGID INSULATION

A. Rigid insulation shall be rigid closed-cell extruded or expanded polystyrene foam plastic insulation board of the thickness shown on the Drawings. The insulation board shall have a minimum aged ‘R’ value at 75-degrees mean temperature of 5.00 per inch, a minimum compressive strength of 15 psi, no foil facing on interior face, shall have a flame spread rating of 25 or less and a smoke-developed rating of 450 or less per ASTM E84, and shall be of the following (or approved equal):

1. Foamular 150 Owens Corning

2. Foam Control Plus + 150 ACH Foam Technologies

3. Certifoam 15 SE DiversiFoam Products

2.2 BATT INSULATION

A. Thermal batt insulation shall be glass fibers formed with binders into resilient semi-rigid batts with integral foil vapor barrier (perm rating of 1.0 or less) laminated to one face with 1" flanges on long edges. Batt insulation shall be the manufacturer’s standard lengths and widths as required to coordinate with spaces to be insulated, shall have installed resistance of R-19 at 6" studs, R-13 at 3 5/8" studs, and shall be one of the following types and manufacturers (or approved equal):

1. EcoTouch Owens-Corning Fiberglass

2. JM Unfaced Manville Corporation

3. EcoBatt Knauf Insulation

B. Blanket insulation shall be the same as the batt insulation specified above except without facers.

Thicknesses shall be as shown on the Drawings or outlined above.

C. Batt insulation shall be widths as required to tightly fit between studs.

D. Batt and blanket insulation shall have maximum flame spread rating of 25 and smoke-developed rating of 50 per ASTM E 84. Where batt and blanket insulation is included in rated wall, ceiling or floor construction, provide mineral wool batts and blankets which have been tested and rated as required for the indicated assembly.

2.3 MISCELLANEOUS INSULATION MATERIALS

A. Fire-resistive safing insulation for use at fire-rated or smoke stop partitions as shown on the Drawings shall be Thermafiber Safing insulation manufactured by United States Gypsum or Cafco Safing Insulating manufactured by United States Mineral Products Company.

B. Miscellaneous items, including mechanical fastenings, adhesives and other accessories, shall meet the recommendations of the insulation manufacturer and the vapor barrier manufacturer, and shall comply with fire-resistance requirements.

C. Mastic sealer shall be the type recommended by the insulation manufacturer for bonding edge joints between rigid board insulation units and filling voids in work.

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2.4 SPRAY FOAM INSULATION

A. Spray foam insulation shall be a two-component closed-cell polyurethane foam system designed for use in commercial construction applications with the following characteristics:

1. Flame Spread Index: 25 or less, when tested in accordance with ASTM E 84.

2. Smoke Development Index: 450 or less, when tested in accordance with ASTM E 84.

3. Density (cured): Not less than 2.00 pcf, when tested in accordance with ASTM D 1622.

4. Compressive Strength (cured): Not less than 25 psi, when tested in accordance with ASTM D

1621.

5. Closed Cell Content: Greater than 90%, when tested in accordance with ASTM D 2856.

6. Aged K-factor: Not less than 0.145 at 1” (R = 6.9/inch), when tested in accordance with ASTM C

518.

7. Vapor Permeability: Minimum of 0.80 perm/inch, when tested in accordance with ASTM E 96.

8. Air Leakage: Not greater than 0.02 L/s/m when tested in accordance with ASTM E 2178.

9. System shall have passed International Code Council Acceptance Criteria 377, for spray-applied polyurethane foam insulation, Appendix X for use without the use of the prescribed ignition barrier and without the need for additional fire-resistant coating in attics and crawlspaces with limited access.

10. Coating: In open (occupied) areas and attics and crawlspaces that do not meet the criteria stated in Item (9) above, provide intumescent coating for application over spray-applied polyurethane foam insulation to meet requirements of International Building Code and International Residential Code, latest editions.

B. Spray foam insulation shall be Bayseal CCX, as manufactured by Bayer Material Science, or equal product by other manufacturers.

PART 3 - EXECUTION

3.1 PREPARATION

A. Clean substrate of substances harmful to insulations or vapor barriers, including removal of projections which might puncture vapor barrier.

3.2 GENERAL

A. Comply with manufacturer’s instructions for particular conditions of installation in each case. If printed instructions are not available or do not apply to project conditions, consult manufacturer’s technical representative for specific recommendations before proceeding with work.

B. Extend insulation full thickness as shown over entire area to be insulated. Cut and fit tightly around obstructions, and fill and close voids with insulation.

C. Apply insulation units to substrate by method indicated, complying with manufacturer’s written recommendations. If no specific method is indicated, bond units to substrate with adhesive or use mechanical anchorage to provide permanent placement and support of units.

D. Seal joints between closed-cell (non-breathing) insulation units by applying mastic or sealant to edges of each unit to form a tight seal as units are shoved into place. Fill voids in completed installation with mastic or sealant.

E. Set vapor barrier-faced units with vapor barrier to warm side of construction, except as otherwise shown.

Do not obstruct ventilation spaces except for firestopping.

F. Tape joints and ruptures in vapor barriers, and seal each continuous area of insulation to surrounding construction to ensure vapor-tight installation.

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3.3 INSTALLATION OF RIGID INSULATION

A. Install rigid insulation directly to faces of steel, wood, masonry or concrete substrates with adhesive or mechanical fastenings, in accordance with the rigid insulation manufacturer’s recommendations at all locations shown on the Drawings. Unless specified otherwise by the manufacturer, apply adhesive to insulation in 1-inch diameter spots with 3/4-inch peaks at 8-inch to 12-inch centers, alternate spacing, beginning at the corners of the board; or apply adhesive in continuous horizontal beads 3-inches from the edge or in 3-inch long beads 8 inches to 12 inches apart, 3 inches from each edge and along the center of the board. Install boards to substrate within ten minutes after applying adhesive. Place horizontally with closely abutting edges and staggered vertical joints.

3.4 INSTALLATION OF BATT INSULATION

A. Install batt insulation at the locations as shown on the Drawings with vapor barriers on room or warm side. Tightly fit into place and push down in vertical spaces to assure avoidance of future settling.

Securely staple in place as recommended by the insulation manufacturer. Tape all joints and perimeter in place to form a continuous vapor barrier. Maintain all required minimum clearance between insulation and fans, lights or other heat-producing equipment items. At locations where studs are less than full stud depth, strip part of the insulation off of the non-vapor barrier side to reduce the total thickness to 1/2" greater than the available space.

3.5 INSTALLATION OF BLANKET INSULATION

A. Install thermal blankets with edges and ends tightly butted together at locations shown on the Drawings.

Push down and adjust into place to avoid settlement. Maintain all required minimum clearance between insulation and fans, lights or other heat producing equipment items. Stuff thermal blanket insulation into all voids between deck flutes at the top of exterior masonry wall where those flutes are perpendicular to the walls as stated in Section 04 20 00.

3.6 INSTALLATION OF FIRE RESISTIVE SAFING INSULATION

A. Install fire resistive insulation at the top of all fire-rated walls and smoke partitions. Mechanical and Electrical subcontractors shall be responsible to seal around miscellaneous openings through these walls for pipes, ducts, structure, etc.

3.7 PREPARATION PRIOR TO SPRAY FOAM INSULATION INSTALLATION

A. Surfaces that are to receive spray foam application shall be dry; completely cured; free of grease, oils, dirt and other foreign matter or contaminants which will interfere with total adhesion of primer and polyurethane foam. Prior to foam application, fill or otherwise seal openings where foam spray may damage or contaminate adjacent items or surfaces.

B. Protect the building structure, equipment, and other surfaces adjacent to the work from overspray from spray foam insulation materials. Protective coverings shall be secured and vented to prevent collection of moisture on covered surfaces. Use protective shields or barriers when spraying along walls to prevent uncontrolled overspray. Any surfaces damaged by spray foam insulation system products shall be restored or replaced to the satisfaction of the Government at no additional expense to the Government.

3.8 INSTALLATION OF SPRAY FOAM INSULATION

A. Install spray foam insulation, including intumescent coating where required, where indicated on the Drawings per manufacturer’s instructions.

3.9 PROTECTION

A. Protect installed insulation and vapor barriers from harmful weather exposure and physical abuse by installation of concealing work or, where that is not possible, by temporary covering or enclosure.

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Installer shall advise Contractor of exposure hazards, including possible sources of deterioration and fire hazards.

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SECTION 07 24 00

EXTERIOR INSULATION AND FINISH SYSTEM (EIFS)

PART 1 - GENERAL

The Contractor shall provide all materials, labor and equipment required to apply the Exterior Insulation and Finish System (EIFS) and related work necessary for the proper completion of the operation. The system shall be applied to the substrate system in its final position in the building.

1.1 RELATED WORK SPECIFIED ELSEWHERE

Wall Sheathing and Wind/Water Barrier Section 06 10 00 Caulking and Sealants Section 07 92 00 Gypsum Sheathing Section 09 29 00

1.2 QUALITY ASSURANCE

A. The system manufacturer shall have marketed exterior finish systems in the United States for at least five years.

B. The EIFS applicator shall provide satisfactory evidence of his qualifications to apply the System, and shall be certified by the system manufacturer.

C. The insulation board manufacturer shall be approved by the EIFS manufacturer.

1.3 MANUFACTURER QUALIFICATIONS

A. Engage a firm experienced in manufacturing systems similar to those indicated for this project and with a record of successful in-service performance.

B. Member in good standing of the EIFS Industry Members Association (EIMA).

C. System manufacturer for a minimum of fifteen (15) years.

D. System recognized for intended use by the national codes and by the local code agency with jurisdiction over the project.

E. System listed by nationally recognized test agency.

F. System listed in Gypsum Association Fire-Resistant Design Manual

1.4 COORDINATION AND SCHEDULING

A. Coordinate installation of EIFS with related work specified in other sections to ensure that wall assemblies, including sheathing, flashing, trim, joint sealers, windows, and doors, are protected against damage from the effects of weather, age, corrosion, moisture, and other causes. Do not allow water to penetrate behind EIFS.

B. Provide sufficient manpower and material to ensure continuous installation of the EIFS, free of cold joints, scaffold lines, and texture variation.

1.5 INSURANCE REQUIREMENTS

A. Manufacturer and installer shall coordinate to provide assemblies which comply with the 1997 Factory Mutual Approval Guide.

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1.6 DESIGN AND DETAILING THE EIFS SYSTEM

A. The EIFS system shall be installed in strict accordance with current recommended published details and product specifications from the manufacturer.

B. Deflection of substrate systems shall not exceed L/240. The applicator shall verify that the proposed substrate is acceptable prior to application of EIFS.

C. Substrate systems shall be engineered with regard to structural performance.

D. Expansion joints in the EIFS are required where substrates change and where structural movement is anticipated.

1.7 SUBMITTALS

A. Submit manufacturer's product brochures with product specifications and installation requirements for each component of EIFS in accordance with General Requirements, Item 9, Paragraph 9.2.

B. Submit 1' x 1' sample for each finish and texture specified, using the same tools and techniques as for the actual project. Color and texture shall be selected from the manufacturer's standards.

1.8 DELIVERY, STORAGE AND PROTECTION

A. Deliver all material in original unopened packages with labels intact.

B. Store all materials protected from weather and at temperatures not less than 40 deg. F.

1.9 PROJECT CONDITIONS

A. The Contractor shall verify site conditions to assure that the requirements of storage of materials and installation procedures conform to the EIFS manufacturer's current product storage and application requirements as applicable to warranty conditions.

B. EIFS performance shall have been tested for the following environmental tests, and meet or exceed the specifications for:

1. Absorption Freeze/Thaw

2. Moisture Resistance

3. Accelerated Weathering

4. Salt Spray

5. Abrasion

6. Rain Test

7. Water Vapor Transmission of Coatings

8. Mildew Resistance

C. The manufacturer shall provide a three-year limited warranty (minimum) for materials.

D. Ambient air temperature shall be 40 deg. F or greater and rising at the time of installation of the system and shall remain at 40 deg. F or greater for at least 24 hours after application.

E. Protect other work from the application of the system. Replace or restore other work which has been soiled or otherwise damaged by application of the system.

F. Proceed with application of system only after substrate is properly finished and cured. Coordinate start of work with Contractor.

G. Protect completed work where damage may be caused by other trades.

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PART 2 - MATERIALS

2.1 GENERAL

A. All components of the EIFS shall be obtained from the product manufacturer or through an authorized distributor. Manufacturer shall be Dryvit System, Inc. Equivalent products by STO Industries, Inc., Senergy, Inc. or Parex will be allowed.

2.2 MATERIALS

A. Adhesive/base coat shall be 100% pure acrylic polymer-based product, as approved by the EIFS manufacturer.

B. Insulation board shall be nominal 1.0 pcf aged expanded polystyrene. Flamespread and smoke development shall be 25 and 450 or less respectively per ASTM E-84. Thickness shall be as shown on the Drawings. Maximum panel size: 2' x 4'. Insulation board shall be approved by the EIFS manufacturer.

C. Reinforcing mesh shall be a balanced, open weave, treated glass fiber fabric. Mesh shall weigh approximately 4.3 oz./sq. yd.

D. Finish shall be factory-mixed formulation of 100% pure acrylic resin base textured finish with integral color and texture. Color shall be as indicated in Section 09 06 90, Color Schedule. Texture shall be Sandblast finish by Dryvit, Stolit 1.0 by Sto or equal by other manufacturers.

E. Portland cement shall be Type I or I-II per ASTM C-150.

F. Water shall be clean and potable.

G. Corner bead, casing bead and control joint accessories shall be vinyl to meet ASTM D 1784.

H. Sealant systems shall be compatible as required by the sealant manufacturer, and EIFS manufacturer (consult manufacturer for approved sealants).

PART 3 - EXECUTION

3.1 GENERAL

A. The EIFS shall be applied strictly in accordance with the manufacturer's current published instructions.

3.2 INSPECTION

A. Prior to application of EIFS, the substrate shall be examined for compliance with contract documents and EIFS manufacturer requirements. Notify Contractor in writing of any non-conforming conditions. Do not proceed with system installation until unsatisfactory conditions have been corrected.

3.3 PREPARATION

A. Prepare substrate to receive EIFS per written instructions of the manufacturer.

3.4 MIXING

A. Mix adhesive with cement in a ratio of 1:1 by weight, wait five minutes, then stir again. Use immediately.

B. Stir system finish coating until material is homogeneous.

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3.5 INSTALLATION

A. Installation shall include application of EIFS components/products:

1. Adhesive/Base Coat Mixture

2. Expanded Polystyrene

3. Reinforcing Mesh/Base Coat

4. Textured Finish

B. Apply system finish using clean stainless trowel using sufficient manpower and equipment to ensure a continuous operation without cold joints, scaffolding lines, etc. Texture finish shall match approved sample. Joints shall be formed as shown on the Drawings. The width of joints indicated on the Drawings within the exterior finish system, and where the system abuts other materials, shall be as indicated on the Drawings. At control joints, where a width is not indicated on the Drawings, the width shall be 1/8".

Where abutting other materials, leave proper space for installation of sealant or reveals as shown on the Drawings.

3.6 CLEANING

A. All work adjacent to operations under this Section shall be inspected for damage and stains, and repaired or cleaned prior to the completion of work.

3.7 CLEAN UP

A. During the progress of work, Contractor shall keep the premises clear of debris resulting from his operations.

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SECTION 07 60 00

FLASHING AND SHEET METAL

PART 1 - GENERAL

1.1 RELATED WORK SPECIFIED ELSEWHERE

Wood Blocking Section 06 10 00 Sealants Section 07 92 00

1.2 REFERENCES

A. NRCA Roofing and Waterproofing Manual, latest edition – National Roofing Contractors Association

B. Architectural Sheet Metal Manual, latest edition – Sheet Metal and Air Conditioning Contractors National Association (SMACNA).

1.3 SUBMITTALS

A. Submit Shop Drawings in accordance with Section 01 33 00 showing manner of forming, jointing, and securing of flashing and sheet metal.

B. Submit color samples of specified sheet metal color(s) in accordance with Section 01 33 00. Submit actual samples on sheet metal, not paper samples.

C. Submit sample sheet metal flashing material warranty in accordance with Section 01 33 00.

1.4 PERFORMANCE REQUIREMENTS

A. Sheet metal flashing and trim assemblies shall withstand wind loads, structural movement, thermally-induced movement, and exposure to weather without failure due to defective manufacture, fabrication, installation, or other defects in construction. Completed sheet metal flashing and trim shall not rattle, leak, or loosen, and shall remain watertight.

B. Allow for thermal movements from ambient and surface temperature changes to prevent buckling, opening of joints, overstressing of components, failure of joint sealants, failure of connections, and other detrimental effects. Base calculations on surface temperatures of materials due to both solar heat gain and nighttime-sky heat loss per the following temperature change requirements: 120 deg. F, ambient; 180 deg. F, material surfaces.

1.5 QUALITY ASSURANCE

A. Fabrication/installation shall be by installers with a minimum of five years experience in the fabrication and installation of the herein described pre-formed sheet metal assemblies. All sheet metal, flashing and associated work shall be subcontracted to a single firm, with undivided responsibility for the specified performance of component parts (even though some components may be sub-contracted to others).

B. Prior to fabrication, take field measurements of structure or substrates to receive flashing and standing seam metal roofing.

C. Except as otherwise shown, detailed, or specified, all flashing and sheet metal work shall comply with applicable recommendations and details of the latest edition of the Architectural Sheet Metal Manual of the Sheet Metal and Air Conditioning Contractors National Association.

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1.6 COORDINATION

A. Coordinate sheet metal flashing and trim layout and seams with sizes and locations of penetrations to be flashed and joints and seams in adjacent materials.

B. Coordinate sheet metal flashing and trim installation with…