Spec.pdf

JANUARY 09, 2018

EASTERWOOD FIELD AIRPORT

COLLEGE STATION, TX (CLL)

AIRPORT TRAFFIC CONTROL TOWER

SPECIFICATIONS

ROOFING/WATERPROOFING

Federal Aviation Administration Central Service Area by

Terminal Engineering Center, Chicago

EASTERWOOD FIELD AIRPORT (CLL) AIRPORT TRAFFIC CONTROL TOWER

TABLE OF CONTENTS

NON-ROOFING SPECIFICATION SECTIONS

011000 01/09/2018

024119 01/09/2018

050170 01/09/2018

061053 01/09/2018

064600 01/09/2018

072500 01/09/2018

074216 01/09/2018

079200 01/09/2018

085313 01/09/2018

092900 01/09/2018

099113 01/09/2018

099123 01/09/2018

ROOFING SPECIFICATION SECTIONS

061055 01/09/2018

070150.19 01/09/2018

075419 01/09/2018

076200 01/09/2018

077200 01/09/2018

079210 01/09/2018

220500 01/09/2018

01/09/2018 23500

26500

FAA-STD-019f

01/09/2018

10/18/2017

SUMMARY OF WORK

SELECTIVE DEMOLITION

MAINTENANCE OF METAL RAILINGS

MISCELLANEOUS ROUGH CARPENTRY

WOOD TRIM

WEATHER BARRIERS

INSULATED-CORE METAL WALL PANELS

JOINT SEALANTS

VINYL WINDOWS

GYPSUM BOARD

EXTERIOR PAINTING

INTERIOR PAINTING

ROOFING CARPENTRY

ROOF REPLACEMENT PREPERATION

POLYVINYL (PVC) ROOFING

SHEET METAL FLASHING AND TRIM

ROOF ACCESSORIES

ROOFING SEALANTS

COMMON WORK RESULTS FOR PLUMBING

COMMON WORK RESULTS FOR HVAC

COMMON WORK RESULTS FOR ELECTRICAL

FAA LIGHTNING PROTECTION, GROUNDING

AND BONDING STANDARDS

EASTERWOOD FIELD AIRPORT Roofing/Waterproofing 01/09/2018 (CLL) Project Specification

SUMMARY 011000 - 1

SECTION 011000 - SUMMARY

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Project information.

2. Work covered by Contract Documents.

3. Access to site.

4. Coordination with occupants.

5. Work restrictions.

6. Specification and drawing conventions.

7. Miscellaneous provisions.

1.2 PROJECT INFORMATION

A. Project Identification: Easterwood Field Airport Control Tower (CLL) Waterproofing Project.

1. Project Location: 1760 George Bush Drive West College Station, TX77845

1.3 WORK COVERED BY CONTRACT DOCUMENTS

A. The Work of Project is defined by the Contract Documents and consists of the following:

BASE BUILDING

1. Contractor supplied materials shall require an approved FAA submittal prior to purchase and installation of such materials.

2. Contractor shall R & R all window and door frame sealants with Dow corning sealants.

(The Dow Corning rep shall give guidance as to which sealant shall be used on each type of application. The FAA rep shall be on site to meet with the contractor and Dow rep while determining sealant type).

3. Contractor shall R & R base building failed fixed window seals. How many seals will be determined at a mandatory pre-bid walk through.

4. Contractor shall remove and dispose of the existing roof hatch. F & I a Bilco safety roof hatch w/ safety railing system. Contractor shall field measure the hatch to be installed

5. Contractor shall F & I “Rooftop Anchor” modular guardrail system for the perimeter of the base building roof. The guardrail system shall be a counter weighted system and shall meet OSHA requirements

6. PROVIDE AND INSTALL A NEW ROOF LIGHTNING PROTECTION SYSTEM

FOR THE BASE BUILDING AND RESTORE AND UPGRADE TOWER ROOF

LIGHTNING PROTECTION SYSTEM TO MEET OR EXCEED THE

REQUIREMENTS OF FAA STANDARD, FAA-STD-019E, ORDERS, PROJECT

DRAWINGS, AND THE FOLLOWING:

SUMMARY 011000 - 2

7. STANDARDS FOR INSTALLATION OF LIGHTNING PROTECTION SYSTEMS

(NFPA 780)

8. INSTALLATION REQUIREMENTS FOR LIGHTNING PROTECTION SYSTEMS

(UL 96A)

9. PROVIDE CLASS II OR LARGER RATED MATERIALS, AS SPECIFIED IN NFPA

780 FOR AIR TERMINALS, MAIN AND DOWN CONDUCTORS AND BONDING

CONDUCTORS.

10. NUMBER OF DOWN CONDUCTORS SHALL BE BASED ON FAA-STD-019E.

MAKE SURE DOWN CONDUCTORS FOLLOW THE MOST DIRECT PATH TO

EARTH AND MAIN AND BONDING CONDUCTORS MAINTAIN A HORIZONTAL

OR DOWNWARD PATH.

11. AIR TERMINALS SHALL BE SOLID COPPER, BRONZE OR ALUMINUM, 12-IN

HIGH MINIMUM, WITH 1/2 –IN DIAMETER FOR COPPER AND 5/8-IN

DIAMETER FOR ALUMINUM AND INSTALLED AS PER NFPA 780 AND UL 96A.

12. ALL PRODUCTS SHALL BE UL LISTED AND LABELED WITH THE UL

CERTIFICATION MARK IN ACCORDANCE WITH UL REQUIREMENTS.

13. PLEASE NOTE THAT INCLUSION OF A UL MASTER LABEL ALONE SHALL

NOT BE SUFFICIENT TO INDICATE COMMPLIANCE WITH FAA-STD-019F.

ATCT

14. Contractor supplied materials shall require an approved FAA submittal prior to purchase and installation of such materials.

15. Contractor shall remove portions of catwalk above metal roof protrusions to repair failed flashing and metal covers at each protrusion. The metal protrusions shall be coated with SIKA liquid flashing (Per manf. Specs) after repairs have been completed. The removed catwalk grating shall be replaced after roofing work is completed.

16. Contractor shall remove and dispose of the existing roof hatch. F & I a Bilco safety roof hatch w/ safety railing system. Contractor shall field measure the hatch to be installed

17. Contractor shall R & R cab glass sealant w/ Dow Corning sealant. Corning rep shall give guidance as to which sealant shall be used on each type of application. The FAA rep shall be on site to meet with the contractor and Dow rep while determining sealant type). All weep holes shall be opened up if plugged with sealant.

18. Contractor shall R & R all door & window frames with new sealant and flashed if req.

19. Contractor shall F & I 2 new PVC thermopane low E glass windows on 2nd and 3rd floor

NW side of tower shaft.

20. Contractor shall F & I 1 ½” thick insulated metal wall panels and associated components

(Attachment components, flashing, etc.). Contractor shall supply stamped engineered shop drawings of the insulated panel system and submit to the FAA for approval.

Fastener size and pull out test requirements, wind load calcs , hat channel sizes are some of the required design requirements. Color and texture shall match the base building as closely as possible. Contractor shall water test new ATCT insulated metal wall panels and windows for leaks after installation

21. Contractor shall seal the metal panels above and below the cab glass w/ Sika liquid flashing SW per manf. Specs. Color shall be chosen by the local FAA personnel.

SUMMARY 011000 - 3

1.4 ACCESS TO SITE

A. Use of Site: Limit use of Project site to work in areas indicated. Do not disturb portions of Project site beyond areas in which the Work is indicated.

1. Replace/repair any disturbed areas to a condition equal to or better then conditions prior to disturbance (i.e. landscaping, paving, etc.)

2. Driveways, Walkways and Entrances: Keep driveways and entrances serving premises clear and available to Owner, Owner's employees, and emergency vehicles at all times.

Coordinate parking and storage of construction materials with on-site residential engineer (R.E.) and the facility representative.

a. Schedule deliveries to minimize use of driveways and entrances by construction operations.

b. Schedule deliveries to minimize space and time requirements for storage of materials and equipment on-site.

B. Condition of Existing Building: Maintain portions of existing building affected by construction operations in a weathertight condition throughout construction period. Repair damage caused by construction operations.

1.5 COORDINATION WITH OCCUPANTS

A. Full Owner Occupancy: Owner will occupy site during entire construction period. Cooperate with Owner during construction operations to minimize conflicts and facilitate Owner usage.

Perform the Work so as not to interfere with Owner's day-to-day operations. Maintain existing exits unless otherwise indicated.

1. Maintain access to existing walkways, corridors, and other adjacent occupied or used facilities. Do not close or obstruct walkways, corridors, or other occupied or used facilities without written permission from Owner and approval of authorities having jurisdiction.

2. Notify Owner not less than 48 hours in advance of activities that will affect Owner's operations.

3. A weekly Monday morning meeting shall be held with the occupants to discuss the upcoming weekly work efforts. The occupants shall be aware of upcoming events which may affect the working environment.

1.6 WORK RESTRICTIONS

A. Work Restrictions, General: Comply with restrictions on construction operations.

1. Comply with limitations on use of public streets and with other requirements of authorities having jurisdiction.

B. On-Site Work Hours: It is anticipated that work under this contract will be performed during normal working hours.

SUMMARY 011000 - 4

C. Existing Utility Interruptions: Do not interrupt utilities serving facilities occupied by Owner or others unless permitted under the following conditions and then only after providing temporary utility services according to requirements indicated:

1. Notify R.E. not less than 2 days in advance of proposed utility interruptions.

D. Noise, Vibration, and Odors: Coordinate operations that may result in high levels of noise and vibration, odors, or other disruption to Owner occupancy with Owner.

1. Notify R.E. not less than 2 days in advance of proposed disruptive operations.

E. Nonsmoking Building: Smoking is not permitted within the building or within 25 of entrances, operable windows, or outdoor-air intakes.

F. General Requirements: Requirements of The Contract apply to the Work of all Sections in the Specifications.

PART 2 - PRODUCTS (Not Used)

PART 3 - EXECUTION (Not Used)

END OF SECTION 011000

SELECTIVE DEMOLITION 024119 - 1

SECTION 024119 - SELECTIVE DEMOLITION

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Demolition and removal of selected portions of building or structure.

a. Tower lap siding and components.

b. Tower windows (Non Cab).

c. Roofing/ flashing under tower Catwalk.

d. ATCT and Base Building roofing systems.

e. ATCT and Base building roof hatch systems

f. Tower and base building sealants

1.2 DEFINITIONS

A. Demolition and removal: Detach items from existing construction and legally dispose of them off-site unless indicated to be removed and salvaged or removed and reinstalled.

1.3 INFORMATIONAL SUBMITTALS

A. Predemolition Photographs or Video: Submit before Work begins.

1.4 FIELD CONDITIONS

A. Owner will occupy portions of building immediately adjacent to selective demolition area.

Conduct selective demolition so Owner's operations will not be disrupted.

B. Notify R.E. of discrepancies between existing conditions and Drawings before proceeding with selective demolition.

C. Hazardous Materials: Review Environmental Report for indicated hazardous material removal procedures.

1. If suspected hazardous materials are encountered, do not disturb; immediately notify

R.E..

D. Storage or sale of removed items or materials on-site is not permitted.

E. Utility Service: Maintain existing utilities to remain in service and protect them against damage during selective demolition operations.

1. Maintain fire-protection facilities in service during selective demolition operations.

SELECTIVE DEMOLITION 024119 - 2

2. Protect smoke detectors if debris is generated as to not hinder any fire/smoke alarm systems.

1.5 WARRANTY

A. Existing Warranties: Remove, replace, patch, and repair materials and surfaces cut or damaged during selective demolition, by methods and with materials so as not to void existing warranties.

PART 2 - PRODUCTS

2.1 PEFORMANCE REQUIREMENTS

A. Regulatory Requirements: Comply with governing EPA notification regulations before beginning selective demolition. Comply with hauling and disposal regulations of authorities having jurisdiction.

B. Standards: Comply with ANSI/ASSE A10.6 and NFPA 241.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Survey existing conditions and correlate with requirements indicated to determine extent of selective demolition required.

B. When unanticipated mechanical, electrical, or structural elements that conflict with intended function or design are encountered, investigate and measure the nature and extent of conflict.

Promptly report to R.E.

C. Survey of Existing Conditions: Record existing conditions by use of preconstruction photographs.

3.2 UTILITY SERVICES AND MECHANICAL/ELECTRICAL SYSTEMS

A. Existing Services/Systems to Remain: Maintain services/systems indicated to remain and protect them against damage.

B. Refrigerant: Remove refrigerant from mechanical equipment to be selectively demolished according to 40 CFR 82 and regulations of authorities having jurisdiction.

3.3 PREPARATION

A. Site Access and Temporary Controls: Conduct selective demolition and debris-removal operations to ensure minimum interference with roads, streets, walks, walkways, and other adjacent occupied and used facilities.

SELECTIVE DEMOLITION 024119 - 3

B. Temporary Facilities: Provide temporary barricades and other protection required to prevent injury to people and damage to adjacent buildings and facilities to remain.

3.4 SELECTIVE DEMOLITION, GENERAL

A. General: Demolish and remove existing construction only to the extent required by new construction and as indicated. Use methods required to complete the Work within limitations of governing regulations and as follows:

1. Neatly cut openings and holes plumb, square, and true to dimensions required. Use cutting methods least likely to damage construction to remain or adjoining construction.

Use hand tools or small power tools designed for sawing or grinding, not hammering and chopping, to minimize disturbance of adjacent surfaces. Temporarily cover openings to remain.

2. Cut or drill from the exposed or finished side into concealed surfaces to avoid marring existing finished surfaces.

3. Do not use cutting torches until work area is cleared of flammable materials. At concealed spaces, such as duct and pipe interiors, verify condition and contents of hidden space before starting flame-cutting operations. Maintain portable fire-suppression devices during flame-cutting operations.

4. Locate selective demolition equipment and remove debris and materials so as not to impose excessive loads on supporting walls, floors, or framing.

5. Dispose of demolished items and materials promptly.

B. Existing Items to Remain: Protect construction to remain against damage and soiling during selective demolition. When permitted by R.E., items may be removed to a suitable, protected storage location during selective demolition and cleaned and reinstalled in their original locations after selective demolition operations are complete.

3.5 DISPOSAL OF DEMOLISHED MATERIALS

A. General: Except for items or materials indicated to be reinstalled, or otherwise indicated to remain Owner's property, remove demolished materials from Project site and legally dispose.

1. Do not allow demolished materials to accumulate on-site.

2. Remove and transport debris in a manner that will prevent spillage on adjacent surfaces and areas.

3. Remove debris from elevated portions of building by chute, hoist, or other device that will convey debris to grade level in a controlled descent.

B. Burning: Do not burn demolished materials.

C. Disposal: Transport demolished materials off Owner's property and legally dispose of them.

SELECTIVE DEMOLITION 024119 - 4

3.6 CLEANING

A. Clean adjacent structures and improvements of dust, dirt, and debris caused by selective demolition operations. Return adjacent areas to condition existing before selective demolition operations began.

END OF SECTION 024119

MAINTENANCE OF DECORATIVE METAL 050170 - 1

SECTION 050170 - MAINTENANCE OF METAL

PART 1 - GENERAL

1.1 SUMMARY

A. Section includes treatment of metal catwalk railings and metal exterior upper and lower cab panels:

1. Cleaning metal.

2. Removing corrosion.

3. Removing paint and priming for repainting.

4. Stabilizing and protecting metal.

5. Repairing metal and replacing damaged and missing components in place.

6. Refinishing metal in place.

1.2 DEFINITIONS

A. Low-Pressure Spray: 100 to 400 psi

B. Medium-Pressure Spray: 400 to 800 psi

1.3 ACTION SUBMITTALS

A. Product Data: For each type of product indicated.

1.4 INFORMATIONAL SUBMITTALS

A. Method Data: Provide schedule and method for cleaning, preparing, and re-finishing indicated metal components.

1.5 CLEANING MATERIALS

A. Water: Potable.

B. Hot Water: Water heated to a temperature of 140 to 160 degrees.

C. Job-Mixed Detergent Solution: Solution prepared by mixing 2 cups of tetrasodium polyphosphate, ½ cup of laundry detergent, 5 quarts of 5 percent sodium hypochlorite bleach, and 15 quarts of hot water for every 5 gal. of solution required.

D. Nonacidic Liquid Chemical Cleaner: Manufacturer's standard mildly alkaline liquid cleaner, formulated for removing organic soiling from ordinary building materials including polished stone, brick, copper, brass, bronze, aluminum, stainless steel, plastics, wood, and glass.

E. Abrasive Materials:

1. Abrasives for Ferrous Metal Cleaning: Aluminum oxide paper, emery paper, fine steel wool, steel scrapers, and steel-wire brushes of various sizes.

MAINTENANCE OF DECORATIVE METAL 050170 - 2

F. Rust Remover: Manufacturer's standard phosphoric acid-based gel formulation, also called "naval jelly," for removing corrosion from iron and steel.

1.6 PAINT REMOVERS

A. Low-Odor, Solvent-Type Paint Remover: Manufacturer's standard low-odor, water-rinsable solvent-type gel formulation, containing no methanol or methylene chloride, for removing paint from metals.

1.7 PROTECTIVE COATING MATERIALS

1.8 MISCELLANEOUS MATERIALS

A. Welding Electrodes and Filler Metal: Select according to AWS specifications for metal alloy welded; use metal type and alloy as recommended by producer of metal to be welded or filled and as required for color match, strength, and compatibility in fabricated items.

B. Fasteners: Fasteners of same basic metal as fastened metal unless otherwise indicated. Use metals that are noncorrosive and compatible with each metal joined.

1. Match existing fasteners in material and in type of fastener unless otherwise indicated.

2. Use concealed fasteners for interconnecting decorative metal components and for attaching them to other work unless exposed fasteners are unavoidable or the existing fastening method.

3. For exposed fasteners, use Phillips-type machine screws of head profile flush with metal surface unless otherwise indicated.

4. Finish exposed fasteners to match finish of metal fastened unless otherwise indicated.

C. Anchors: Adhesive or Expansive type with bolt heads of same basic metal as fastened metal unless otherwise indicated. Use metals that are noncorrosive and compatible with each metal anchored.

1. Strength: Capable of sustaining, without failure, a load equal to six times the load imposed when installed in unit masonry and equal to four times the load imposed when installed in concrete, as determined by testing according to ASTM E 488 conducted by a qualified independent testing agency.

1.9 IRON FINISHES

A. Repair Primer: Manufacturer's standard, rust-inhibiting, fast-curing, lead- and chromate-free, universal primer, compatible with applied finish. Comply with coating manufacturer's written instructions for cleaning, pretreatment, application, and minimum dry-film thickness.

B. Finish Primer: Primer complying with applicable requirements in Section 099113 "Exterior Painting” for finish painting of primed metal.

C. Baked-Enamel or Powder-Coat Finish: Manufacturer's standard baked-on finish consisting of prime coat and thermosetting topcoat. Comply with coating manufacturer's written instructions for cleaning, pretreatment, application, and minimum dry-film thickness.

1.10 STEEL FINISHES

MAINTENANCE OF DECORATIVE METAL 050170 - 3

A. Repair Primer: Manufacturer's standard, rust-inhibiting, fast-curing, lead- and chromate-free, universal primer, compatible with applied finish. Comply with coating manufacturer's written instructions for cleaning, pretreatment, application, and minimum dry-film thickness.

B. Finish Primer: Primer complying with applicable requirements in Section 099113 "Exterior Painting for finish painting of primed decorative metal.

C. Baked-Enamel or Powder-Coat Finish: Manufacturer's standard baked-on finish consisting of prime coat and thermosetting topcoat. Comply with coating manufacturer's written instructions for cleaning, pretreatment, application, and minimum dry-film thickness.

PART 2 - EXECUTION

2.1 PREPARATION

A. General: Protect persons, motor vehicles, building site, plants, surrounding surfaces of building being restored, and surrounding buildings from harm resulting from historic treatment of decorative metal.

B. Comply with chemical-product manufacturer's written instructions for protecting building and other surfaces against damage from exposure to its products. Prevent chemical solutions from coming into contact with people, motor vehicles, landscaping, buildings, and other surfaces that could be harmed by such contact.

1. Cover adjacent surfaces with materials that are proven to resist chemical solutions being used unless the solutions will not damage adjacent surfaces. Apply masking agents to comply with manufacturer's written instructions. When no longer needed, promptly remove masking to prevent adhesive staining.

2. Keep wall wet below area being treated to prevent streaking from runoff.

2.2 HISTORIC TREATMENT PROCEDURES, GENERAL

A. General: In treating metal items, disturb them as minimally as possible and as follows.

1. Stabilize metal to reestablish structural integrity and weather resistance while maintaining the existing form of each item.

2. Stop the progress of deterioration and corrosion by removing deteriorated coatings and corrosion and reapplying protective coatings.

3. Repair items where stabilization is not sufficient to stop progress of deterioration.

4. Repair items in place and retain as much original material as possible.

5. Replace or reproduce metal items as required.

B. Repair Metal Item: Match existing materials and features, retaining as much original material as possible to complete the repair.

1. Unless otherwise indicated, repair metals by patching, piecing-in, splicing, or otherwise reinforcing metals with new metal matching existing metal.

2. Where indicated, repair metal by limited replacement matching existing material.

C. Replace Metal Component: Where required, duplicate and replace items with new metal matching existing metal.

1. Replace heavily deteriorated or missing parts or features of metal with compatible materials.

MAINTENANCE OF DECORATIVE METAL 050170 - 4

D. Repaint: Prepare painted metal by cleaning surface, removing existing paint, sanding edges smooth, [and priming for painting as specified.

2.3 CLEANING

A. General: Apply materials to all surfaces, corners, contours, and interstices, to provide a uniform final appearance without streaks.

1. Brushes: Use wire brushes of same metal composition as metal being treated. Use brushes that are resistant to chemicals being used. Do not use plastic-bristle brushes if natural-fiber brushes will resist chemicals being used.

2. Spray Equipment: Use spray equipment that provides controlled application at volume and pressure indicated, measured at spray tip. Adjust pressure and volume to ensure that spray methods do not damage surfaces.

a. Equip units with pressure gages.

b. Unless otherwise indicated, hold spray tip at least 6 inches from surface and apply material in horizontal, back-and-forth sweeping motion, overlapping previous strokes to produce uniform coverage.

c. For chemical spray application, use low-pressure tank or chemical pump suitable for chemical indicated, equipped with cone-shaped spray tip.

d. For water-spray application, use fan-shaped spray tip that disperses water at an angle of 25 to 50 degrees.

e. For heated water-spray application, use equipment capable of maintaining temperature between 140 to 160 at flow rates indicated.

B. Water Cleaning: Clean with hot water high pressure spray. Supplement with bristle brush. Use small brushes to remove soil from joints and crevices.

C. Detergent Cleaning: Scrub surface with detergent solution and bristle brush until soil is thoroughly dislodged and can be removed by rinsing. Use small brushes to remove soil from joints and crevices. Dip brush in solution often to ensure that adequate fresh detergent is used and that surface remains wet.

1. Rinse with water applied by high-pressure spray to remove detergent solution and soil.

2. Repeat cleaning procedure where required to produce cleaning effect established by mockup.

D. Chemical Cleaning: Apply chemical cleaner to surfaces according to chemical cleaner manufacturer's written instructions unless otherwise indicated. Dilute chemical cleaners with water to produce solutions not exceeding concentration recommended by chemical-cleaner manufacturer.

1. Let cleaner remain on surface for maximum period recommended by manufacturer.

2. Neutralize chemical residue to a pH of 7 using manufacturer's recommended chemical neutralizer, and rinse where applicable.

3. Rinse with water applied by high pressure spray to remove chemicals and soil.

4. Do not rinse ferrous metals with water; neutralize chemical cleaner on ferrous metals as recommended by manufacturer. Dry immediately with clean soft cloths. Follow direction of grain in metal.

5. Repeat cleaning procedure where required to produce cleaning effect established by mockup. Do not repeat more than once.

E. Cleaning with Abrasive Pads: Clean surfaces to remove dirtby light rubbing with abrasive pads and water.

F. Chemical Rust Removal:

MAINTENANCE OF DECORATIVE METAL 050170 - 5

1. Remove loose rust scale with approved abrasives for ferrous metal cleaning.

2. Apply rust remover with brushes or as recommended by manufacturer.

3. Allow rust remover to remain on surface for period recommended by manufacturer or as determined by preconstruction testing. Do not allow extended dwell time.

4. Wipe off residue with mineral spirits and either steel wool or soft rags, or clean with method recommended by manufacturer to remove residue.

5. Dry immediately with clean, soft cloths. Follow direction of grain in metal.

6. Prime immediately to prevent rust. Do not touch cleaned metal surface until primed.

G. Mechanical Rust Removal:

1. Remove rust with approved abrasives for ferrous metal cleaning.

2. Wipe off residue with mineral spirits and either steel wool or soft rags.

3. Dry immediately with clean, soft cloths. Follow direction of grain in metal.

4. Prime immediately to prevent rust. Do not touch cleaned metal surface until primed.

2.4 PAINT REMOVAL

A. General: Apply materials to all surfaces, corners, contours, and interstices, to provide a uniform final appearance without streaks.

1. Brushes: Use wire brushes of same metal composition as metal being treated. Use brushes that are resistant to chemicals being used. Do not use plastic-bristle brushes if natural-fiber brushes will resist chemicals being used.

2. Spray Equipment: Use spray equipment that provides controlled application at volume and pressure indicated, measured at spray tip. Adjust pressure and volume to ensure that spray methods do not damage surfaces.

a. Equip units with pressure gages.

b. Unless otherwise indicated, hold spray tip at least 6 inches from surface and apply material in horizontal, back-and-forth sweeping motion, overlapping previous strokes to produce uniform coverage.

c. For chemical spray application, use low-pressure tank or chemical pump suitable for chemical indicated, equipped with cone-shaped spray tip.

d. For water-spray application, use fan-shaped spray tip that disperses water at an angle of 25 to 50 degrees.

e. For heated water-spray application, use equipment capable of maintaining temperature between 140 and 160 at flow rates indicated.

B. Paint Removal with Alkaline-Paste Paint Remover:

1. Remove loose and peeling paint using water, scrapers, stiff brushes, or a combination of these. Let surface dry thoroughly.

2. Apply paint remover to dry, painted metal with brushes or as recommended by manufacturer.

3. Allow paint remover to remain on surface for period recommended by manufacturer or as determined by preconstruction testing.

4. Rinse with[ hot] water applied by high pressure spray to remove chemicals and paint residue.

5. Use mechanical methods recommended by manufacturer to remove chemicals and paint residue.

6. Repeat process if necessary to remove all paint.

C. Paint Removal with Low-Odor, Solvent-Type Paint Remover:

1. Remove loose and peeling paint using water, scrapers, stiff brushes, or a combination of these. Let surface dry thoroughly.

MAINTENANCE OF DECORATIVE METAL 050170 - 6

2. Apply thick coating of paint remover to painted decorative metal with natural-fiber cleaning brush, deep-nap roller, or large paintbrush.

3. Allow paint remover to remain on surface for period recommended by manufacturer. Agitate periodically with stiff-fiber brush.

4. Rinse with [water applied by high pressure spray to remove chemicals and paint residue.

5. Repeat process if necessary to remove all paint.

2.5 METAL SCHEDULE

A. Treatment of Metal Catwalk Railing:

1. General: Perform work in the field.

2. Paint Removal: Present paint removal plan as indicated.

3. Rust Removal: Present rust removal plan as indicated.

4. Repair: Patch with new material by filling, welding, or applying new material with fasteners.

a. Apply repair primer immediately after repair.

5. Painted Finish: As specified in Section 099113 "Exterior Painting”.

B. Treatment of Upper and Lower Exterior Cab Metal Panels:

1. General: Perform work in the field.

2. Paint Removal: Present paint removal plan as indicated.

3. Rust Removal: Present rust removal plan as indicated.

4. Repair: Patch with new material by filling, welding, or applying new material with fasteners.

a. Apply repair primer immediately after repair.

5. Painted Finish: As specified in Section 099113 "Exterior Painting”.

END OF SECTION 050170

MISCELLANEOUS ROUGH CARPENTRY 061053 - 1

SECTION 061053 - MISCELLANEOUS ROUGH CARPENTRY

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Window Framing.

2. Backing, Furring, Shimming as required for other installations.

1.2 ACTION SUBMITTALS

A. Product Data: For each type of process and factory-fabricated product. Indicate component materials and dimensions and include construction and application details.

1.3 INFORMATIONAL SUBMITTALS

A. Evaluation Reports: For the following, from ICC-ES:

1. Preservative-treated wood.

2. Fire-retardant-treated wood.

3. Power-driven fasteners.

PART 2 - PRODUCTS

2.1 WOOD PRODUCTS, GENERAL

A. Certified Wood: Lumber shall be produced from wood obtained from forests certified by an FSC-accredited certification body to comply with FSC STD-01-001, "FSC Principles and Criteria for Forest Stewardship."

2.2 MISCELLANEOUS LUMBER

A. General: Provide miscellaneous lumber indicated and lumber for support or attachment of other construction, including the following:

1. Blocking.

2. Nailers.

3. Window Framing.

4. Interior trim, Disturbed by window removal and installation, MISCELLANEOUS ROUGH CARPENTRY 061053 - 2

2.3 FASTENERS

A. General: Provide fasteners of size and type indicated that comply with requirements specified in this article for material and manufacture.

1. Where carpentry is exposed to weather, in ground contact, pressure-preservative treated, or in area of high relative humidity, provide fasteners with hot-dip zinc coating complying with ASTM A 153/A 153M.

B. Power-Driven Fasteners: NES NER-272.

C. Screws for Fastening to Metal Framing: ASTM C 1002, ASTM C 954, length as recommended by screw manufacturer for material being fastened.

PART 3 - EXECUTION

3.1 INSTALLATION, GENERAL

A. Set carpentry to required levels and lines, with members plumb, true to line, cut, and fitted. Fit carpentry to other construction; scribe and cope as needed for accurate fit.

B. Where wood-preservative-treated lumber is installed adjacent to metal decking, install continuous flexible flashing separator between wood and metal decking.

C. Framing Standard: Comply with AF&PA's WCD 1, "Details for Conventional Wood Frame Construction," unless otherwise indicated.

D. Comply with AWPA M4 for applying field treatment to cut surfaces of preservative-treated lumber.

E. Securely attach carpentry work to substrate by anchoring and fastening as indicated, complying with the following:

1. NES NER-272 for power-driven fasteners.

2. Table 2304.9.1, "Fastening Schedule," in ICC's International Building Code.

3. Table R602.3(1), "Fastener Schedule for Structural Members," and Table R602.3(2), "Alternate Attachments," in ICC's International Residential Code for One- and Two- Family Dwellings.

3.2 PROTECTION

A. Protect wood that has been treated with inorganic boron (SBX) from weather. If, despite protection, inorganic boron-treated wood becomes wet, apply EPA-registered borate treatment.

Apply borate solution by spraying to comply with EPA-registered label.

END OF SECTION 061053

WOOD TRIM 064600 - 1

SECTION 064600 - WOOD TRIM

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Interior wood trim at tower (Non Cab) window openings.

1.2 ACTION SUBMITTALS

A. Product Data: For each type of product, including finishing materials and processes.

B. Samples:

1. Lumber for transparent finish, for each species and cut, finished on one side and expossed edges.

1.3 INFORMATIONAL SUBMITTALS

A. Woodwork Quality Standard Compliance Certificates.

1.4 FIELD CONDITIONS

A. Environmental Limitations for Interior Work: Do not deliver or install interior wood trim until building is enclosed, wet work is complete, and HVAC system is operating and maintaining temperature and relative humidity at occupancy levels during the remainder of the construction period.

PART 2 - PRODUCTS

2.1 WOOD TRIM, GENERAL

A. Quality Standard: Unless otherwise indicated, comply with the "Architectural Woodwork Standards" for grades of wood trim indicated for construction, finishes, installation, and other requirements.

1. Provide labels from certification program indicating that woodwork, including installation, complies with requirements of grades specified.

WOOD TRIM 064600 - 2

2.2 INTERIOR STANDING AND RUNNING TRIM FOR OPAQUE FINISH

A. Grade: Premium.

B. Wood Species: Any closed-grain hardwood.

C. ing with BHMA A156.16, L03131.

2.3 FABRICATION

A. Sand fire-retardant-treated wood lightly to remove raised grain on exposed surfaces before fabrication.

B. Backout or groove backs of flat trim members and kerf backs of other wide, flat members except for members with ends exposed in finished work.

C. Assemble casings in shop except where shipping limitations require field assembly.

2.4 SHOP PRIMING

A. Interior Wood Trim for Opaque Finish: Shop prime with one coat of wood primer specified in Section 099123 "Interior Painting."

B. Preparations for Finishing: Comply with referenced quality standard for sanding, filling countersunk fasteners, sealing concealed surfaces, and similar preparations for finishing wood trim, as applicable to each unit of work.

PART 3 - EXECUTION

3.1 PREPARATION

A. Before installation, condition wood trim to average prevailing humidity conditions in installation areas.

3.2 INSTALLATION

A. Grade: Install wood trim to comply with same grade as item to be installed.

B. Install wood trim level, plumb, true, and straight. Shim as required with concealed shims. Install level and plumb to a tolerance of 1/8 inch in 96 inches.

C. Scribe and cut wood trim to fit adjoining work, refinish cut surfaces, and repair damaged finish at cuts.

D. Fire-Retardant-Treated Wood: Handle, store, and install fire-retardant-treated wood to comply with chemical treatment manufacturer's written instructions, including those for adhesives used to install woodwork.

WOOD TRIM 064600 - 3

E. Anchor wood trim to anchors or blocking built in or directly attached to substrates. Secure with countersunk, concealed fasteners and blind nailing. Use fine finishing nails for exposed fastening, countersunk and filled flush with woodwork.

1. For shop-finished items, use filler matching finish of items being installed.

F. Install with minimum number of joints possible, using full-length pieces to greatest extent possible.

G. END OF SECTION 064600

WEATHER BARRIERS 072500 - 1

SECTION 072500 - WEATHER BARRIERS

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Building wrap on tower.

2. Flexible flashing at all window (non-cab) openings.

1.2 ACTION SUBMITTALS

A. Product Data: For each type of product.

1.3 INFORMATIONAL SUBMITTALS

A. Evaluation Reports: For water-resistive barrier and flexible flashing, from ICC-ES.

PART 2 - PRODUCTS

2.1 WATER-RESISTIVE BARRIER

A. Building Wrap: ASTM E 1677, Type I air barrier; with flame-spread and smoke-developed indexes of less than 25 and 450, respectively, when tested according to ASTM E 84; UV stabilized; and acceptable to authorities having jurisdiction.

1. Water-Vapor Permeance: Not less than 50 g through 1 sq. m of surface in 24 hours per ASTM E 96/E 96M, Desiccant Method (Procedure A).

B. Building-Wrap Tape: Pressure-sensitive plastic tape recommended by building-wrap manufacturer for sealing joints and penetrations in building wrap.

2.2 MISCELLANEOUS MATERIALS

A. Flexible Flashing: Self-adhesive compound, bonded to a high-density polyethylene film, aluminum foil, or spunbonded polyolefin to produce an overall thickness of not less than 0.025.

PART 3 - EXECUTION

3.1 WATER-RESISTIVE BARRIER INSTALLATION

A. Cover sheathing with water-resistive barrier as follows:

WEATHER BARRIERS 072500 - 2

1. Cut back barrier 1/2 inch (13 mm) on each side of the break in supporting members at expansion- or control-joint locations.

2. Apply barrier to cover vertical flashing with a minimum 4-inch (100-mm) overlap unless otherwise indicated.

B. Building Paper: Apply horizontally with a 2-inch (50-mm) overlap and a 6-inch (150-mm) end lap; fasten to sheathing with galvanized staples or roofing nails.

C. Building Wrap: Comply with manufacturer's written instructions.

1. Seal seams, edges, fasteners, and penetrations with tape.

2. Extend into jambs of openings and seal corners with tape.

3.2 FLEXIBLE FLASHING INSTALLATION

A. Apply flexible flashing at all window fenestrations to comply with AAMA 711-07 Voluntary Specification for Self Adhering Flashing Used for Installation of Exterior Wall Fenestration Products.

B. Lap seams and junctures with other materials at least 4 inches (100 mm) except that at flashing flanges of other construction, laps need not exceed flange width.

1. Lap flashing over water-resistive barrier at bottom and sides of openings.

2. Lap water-resistive barrier over flashing at heads of openings.

END OF SECTION 072500

INSULATED-CORE METAL WALL PANELS 074216 - 1

SECTION 074216 - INSULATED-CORE METAL WALL PANELS

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Foamed-insulation-core metal wall panels for exterior tower walls and all components (attachment frames (ie: hat channel), flashing, building wrap, fasteners..etc).

2. See related section 072500 Weather Barriers

a. Building Wrap

1.2 PERFORMANCE REQUIREMENTS

A. Delegated Design: Design metal wall panel assembly, including comprehensive engineering analysis by a qualified professional engineer, using performance requirements and design criteria indicated.

1.3 ACTION SUBMITTALS

A. Product Data: For each type of product indicated.

B. Shop Drawings: Show fabrication and installation layouts of metal wall panels; details of edge conditions, joints, panel profiles, corners, anchorages, attachment system, trim, flashings, closures, and accessories; and special details. Distinguish between factory-, shop-, and field-assembled work.

C. Samples: For each type of exposed finish required.

D. Delegated-Design Submittal: For metal wall panel assembly indicated to comply with performance requirements and design criteria, including analysis data and calculations signed and sealed by the qualified professional engineer responsible for their preparation.

1.4 INFORMATIONAL SUBMITTALS

A. Coordination Drawings: Exterior elevations, drawn to scale, and coordinating penetrations and wall-mounted items.

B. Product test reports.

C. Warranties: Sample of special warranties.

INSULATED-CORE METAL WALL PANELS 074216 - 2

1.5 CLOSEOUT SUBMITTALS

A. Maintenance data.

B. Warranty Certificate.

1.6 QUALITY ASSURANCE

A. Installer Qualifications: An employer of workers trained and approved by manufacturer.

B. Fire-Test-Response Characteristics: Provide metal wall panels and system components with the following fire-test-response characteristics as determined by testing identical panels and system components per test method indicated below by UL or another testing and inspecting agency acceptable to authorities having jurisdiction. Identify products with appropriate markings of applicable testing agency.

1. Fire-Resistance Characteristics: Per ASTM E 119.

2. Intermediate-Scale Multistory Fire Test: Per NFPA 285.

3. Radiant Heat Exposure: No ignition per NFPA 268.

4. Potential Heat: Acceptable level per NFPA 259.

5. Surface-Burning Characteristics: Flame-spread index of 25 or less and smoke-developed index of 450 or less, per ASTM E 84.

C. Preinstallation Conference: Conduct conference at Project Site

1.7 WARRANTY

A. Special Warranty: Manufacturer's standard form in which manufacturer agrees to repair or replace components of metal wall panel assemblies that fail in materials or workmanship within specified warranty period.

1. Warranty Period: 25 years from date of Substantial Completion.

B. Special Warranty on Panel Finishes: Manufacturer's standard form in which manufacturer agrees to repair finish or replace metal wall panels that show evidence of deterioration of factory-applied finishes within specified warranty period.

1. Finish Warranty Period: 25 years from date of Substantial Completion.

PART 2 - PRODUCTS

2.1 PANEL MATERIALS

A. Delegated design basis is Butler Therma Wall System; provide equal or better product utilizing manufacturers specifications.

1. 1 1/2” factory insulated wall system with concealed fasteners

2. Kynar 500 finish.

3. Fineline Panel design.

INSULATED-CORE METAL WALL PANELS 074216 - 3

B. Provide Manufacturers framing and attachment system.

2.2 ACCESSORIES

A. Wall Panel Accessories: Provide components required for a complete metal wall panel assembly including trim, copings, fasciae, mullions, sills, corner units, clips, flashings, sealants, gaskets, fillers, closure strips, and similar items. Match material and finish of metal wall panels unless otherwise indicated.

1. Closures: Provide closures at eaves and rakes, fabricated of same metal as metal wall panels.

2. Backing Plates: Provide metal backing plates at panel end splices, fabricated from material recommended by manufacturer.

3. Closure Strips: Closed-cell, expanded, cellular, rubber or crosslinked, polyolefin-foam or closed-cell laminated polyethylene; minimum 1-inch- (25-mm-) thick, flexible closure strips; cut or premolded to match metal wall panel profile. Provide closure strips where indicated or necessary to ensure weathertight construction.

B. Flashing and Trim: Formed from 0.018-inch- (0.46-mm-) minimum thickness, zinc-coated (galvanized) steel sheet or aluminum-zinc alloy-coated steel sheet prepainted with coil coating.

Provide flashing and trim as required to seal against weather and to provide finished appearance. Locations include, but are not limited to, bases, drips, sills, jambs, corners, endwalls, framed openings, rakes, fasciae, parapet caps, soffits, reveals, and fillers. Finish flashing and trim with same finish system as adjacent metal wall panels.

2.3 FABRICATION

A. General: Fabricate and finish metal wall panels and accessories at the factory to greatest extent possible, by manufacturer's standard procedures and processes, as necessary to fulfill indicated performance requirements demonstrated by laboratory testing. Comply with indicated profiles and with dimensional and structural requirements.

B. Fabricate metal wall panels in a manner that eliminates condensation on interior side of panel and with joints between panels designed to form weathertight seals.

C. Provide panel profile, including major ribs and intermediate stiffening ribs, if any, for full length of panel.

D. Fabricate metal wall panel joints with factory-installed captive gaskets or separator strips that provide a tight seal and prevent metal-to-metal contact, in a manner that will minimize noise from movements within panel assembly.

E. Sheet Metal Accessories: Fabricate flashing and trim to comply with recommendations in SMACNA's "Architectural Sheet Metal Manual" that apply to the design, dimensions, metal, and other characteristics of item indicated.

INSULATED-CORE METAL WALL PANELS 074216 - 4

PART 3 - EXECUTION

3.1 PREPARATION

A. Miscellaneous Framing: Install subgirts, base angles, sills, furring, and other miscellaneous wall panel support members and anchorages according to ASTM C 754 and metal wall panel manufacturer's written recommendations.

3.2 INSULATED-CORE METAL WALL PANEL INSTALLATION

A. Foamed-Insulation-Core Metal Wall Panels: Fasten metal wall panels to supports with concealed clips at each joint at location and spacing and with fasteners recommended by manufacturer. Fully engage tongue and groove of adjacent panels.

1. Install clips to supports with self-tapping fasteners.

3.3 ACCESSORY INSTALLATION

A. General: Install accessories with positive anchorage to building and weathertight mounting and provide for thermal expansion. Coordinate installation with flashings and other components.

1. Install components required for a complete metal wall panel assembly including trim, copings, corners, seam covers, flashings, sealants, gaskets, fillers, closure strips, and similar items.

B. Flashing and Trim: Comply with performance requirements, manufacturer's written installation instructions, and SMACNA's "Architectural Sheet Metal Manual." Provide concealed fasteners where possible, and set units true to line and level as indicated. Install work with laps, joints, and seams that will be permanently watertight and weather resistant.

3.4 CLEANING AND PROTECTION

A. Remove temporary protective coverings and strippable films, if any, as metal wall panels are installed unless otherwise indicated in manufacturer's written installation instructions. On completion of metal wall panel installation, clean finished surfaces as recommended by metal wall panel manufacturer. Maintain in a clean condition during construction.

B. After metal wall panel installation, clear weep holes and drainage channels of obstructions, dirt, and sealant.

3.5 LEAKAGE TESTING

C. Water test and inspect for leaks after the siding installation is complete. FAA RE shall be present

END OF SECTION 074216

JOINT SEALANTS 079200 - 1

SECTION 079200 - JOINT SEALANTS

PART 1 - GENERAL

1.01 SUMMARY

A. Section Includes: Joint sealers for the following locations:

1. Entrance Doorways Frame (metal to metal)

2. Entrance Doorways Perimeter (metal to concrete)

3. Cab upper and lower panels (metal to metal)

4. Tower shaft windows

5. Base building exterior windows and doorways

B. Products Furnished but not Installed Under this Section. (Not Used)

C. Products Installed but not Furnished Under this Section (Not Used)

D. Related Sections (Not Used)

E. Allowances (Not Used)

F. Unit Prices (Not Used)

G. Alternates (Not Used)

1.02 REFERENCES

A. Standards and documents referenced in the text of this Section are listed below according to source, designation, publication date, and title.

B. American Society for Testing and Materials (ASTM):

1. C 920-86 Specification for Elastomeric Joint Sealants.

2. C 962-86 Guide for use of Elastomeric Joint Sealants.

1.03 DEFINITIONS (Not Used)

1.04 SYSTEM DESCRIPTION (Not Used)

1.05 SUBMITTALS

A. Product Data: For each joint sealer and accessory product specified, submit manufacturer's prod-uct literature, including sealant applications, and joint substrate preparation instructions for sub-strate materials and conditions as indicated on the drawings.

B. Shop Drawings (Not Used)

C. Samples: For initial selection purposes, submit manufacturer's standard bead samples of actual product exhibiting full range of colors available for each product exposed to view.

D. Quality Control Submittals:

1. Design Data (Not Used)

2. Test Reports:

a. Compatibility and Adhesion: Test Reports from sealant manufacturer indicating joint sub-strate materials and joint back material have been tested for compatibility and adhesion with joint sealants. Include sealant manufacturer's interpretation of test results relative to

JOINT SEALANTS 079200 - 2

sealant performance and recommendation for primers and substrate preparation needed to obtain adhesion.

b. Product Test Reports: For each type of sealer being used, provide test reports evidencing compliance with specified requirements.

3. Certificates: Joint sealer manufacturer's certification attesting their products compliance with specification requirements and are suitable for use intended.

4. Manufacturer's Instructions: Provide manufacturer's instructions for preparation and installa-tion.

5. Manufacturer's Field Reports (Not Used)

E. Contract Closeout Submittals (Not Used)

1.06 QUALITY ASSURANCE

A. Qualifications: Applicator's firm with not less than three (3) years successful experience in appli-cations of joint sealants with a minimum of five (5) applications similar in type and size to that of this project.

1. Applicator's Field Supervision: Sealant applicator must maintain a full-time English speaking supervisor foreman on job site during times sealant application Work is in progress. Supervi-sor must have a minimum of five (5) years experience in sealant application Work similar to nature and scope of this project.

2. Provide list of completed projects with project names, addresses, names of Architects and owners.

B. Regulatory Requirements (Not Used)

C. Certifications (Not Used)

D. Field Samples (Not Used)

E. Mock-Ups: Submit to joint sealer manufacturer samples of materials that will contact or affect joint sealer, for compatibility and adhesion testing, as described below:

1. Use test methods, standard with manufacturer, to determine if priming and other specific joint preparation techniques are required to obtain rapid, optimum adhesion of joint sealer to joint substrates.

2. Submit not less than nine (9) pieces of each type of material, including joint substrates, shims, joint sealant backings, secondary seals, and miscellaneous materials.

3. Schedule sufficient time for testing and analysis of results to prevent delay in the progress of the work.

4. Investigate material failing compatibility or adhesion tests. Obtain joint sealer manufacturer's written recommendation for corrective…