ESBD_384442_1735660768480_G.12 Specifications_Part2.pdf

Attachment G.12 - Specifications

Stephenville Readiness Center Roof Replacement

TMD PN 48220220

ISSUED FOR IFB

END OF SECTION

TMD PN 48220220

SELECTIVE DEMOLITION 024119 - 1

SECTION 024119 - SELECTIVE DEMOLITION

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Remove and reinstall existing equipment as indicated on the drawings.

B. Related Requirements:

1. Section 011000 "Summary" for restrictions on use of the premises, Govt-occupancy requirements, and phasing requirements.

2. Section 017329 "Execution" for cutting and patching procedures.

1.2 DEFINITIONS

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

B. Remove and Salvage: Detach items from existing construction, in a manner to prevent damage, and deliver to Govt ready for reuse.

C. Remove and Reinstall: Detach items from existing construction, in a manner to prevent damage, prepare for reuse, and reinstall where indicated.

D. Existing to Remain: Leave existing items that are not to be removed and that are not otherwise indicated to be salvaged or reinstalled.

E. Dismantle: To remove by disassembling or detaching an item from a surface, using gentle methods and equipment to prevent damage to the item and surfaces; disposing of items unless indicated to be salvaged or reinstalled.

1.3 MATERIALS OWNERSHIP

A. Unless otherwise indicated, demolition waste becomes property of Contractor.

B. Historic items, relics, antiques, and similar objects including, but not limited to, cornerstones and their contents, commemorative plaques and tablets, and other items of interest or value to Govt that may be uncovered during demolition remain the property of Govt.

1. Carefully salvage in a manner to prevent damage and promptly return to Govt.

TMD PN 48220220

SELECTIVE DEMOLITION 024119 - 2

1.4 PREINSTALLATION MEETINGS

A. Predemolition Conference: Conduct conference at Project site as required by TMD project manager.

1. Inspect and discuss condition of construction to be selectively demolished.

2. Review structural load limitations of existing structure.

3. Review and finalize selective demolition schedule and verify availability of materials, demolition personnel, equipment, and facilities needed to make progress and avoid delays.

4. Review requirements of work performed by other trades that rely on substrates exposed by selective demolition operations.

5. Review areas where existing construction is to remain and requires protection.

1.5 INFORMATIONAL SUBMITTALS

A. Proposed Protection Measures: Submit report, including Drawings, that indicate the measures proposed for protecting individuals and property, for environmental protection, for dust control and, for noise control. Indicate proposed locations and construction of barriers.

B. Schedule of Selective Demolition Activities: Indicate the following:

1. Detailed sequence of selective demolition and removal work, with starting and ending dates for each activity. Ensure Govt's Project Manager and occupants’ on-site operations are uninterrupted.

2. Interruption of utility services. Indicate how long utility services will be interrupted.

3. Coordination for shutoff, capping, and continuation of utility services.

4. Use of elevator and stairs.

5. Coordination of Govt's continuing occupancy of portions of existing building and of

Govt's partial occupancy of completed Work.

C. Predemolition Photographs or Video: Show existing conditions of adjoining construction, including finish surfaces, that might be misconstrued as damage caused by salvage and demolition operations. Comply with Section 013233 "Photographic Documentation." Submit before Work begins.

1.6 CLOSEOUT SUBMITTALS

A. Inventory: Submit a list of items that have been removed and salvaged.

1.7 FIELD CONDITIONS

A. Govt will occupy portions of building immediately adjacent to selective demolition area. Conduct selective demolition so Govt's operations will not be disrupted.

B. Conditions existing at time of inspection for bi purpose will be maintained by Govt as far as practical.

TMD PN 48220220

SELECTIVE DEMOLITION 024119 - 3

C. Notify Architect and TMD Project Manager of discrepancies between existing conditions and

Drawings before proceeding with selective demolition.

D. Hazardous Materials: It is not expected that hazardous materials will be encountered in the Work.

1. Hazardous materials will be removed by Govt before start of the Work.

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

Architect and Govt. Hazardous materials will be removed by Govt under a separate contract.

E. Hazardous Materials: Present in buildings and structures to be selectively demolished. A report on the presence of hazardous materials is on file for review and use. Examine report to become aware of locations where hazardous materials are present.

1. Hazardous material remediation is specified elsewhere in the Contract Documents.

2. Do not disturb hazardous materials or items suspected of containing hazardous materials except under procedures specified elsewhere in the Contract Documents.

3. Govt will provide material safety data sheets for suspected hazardous materials that are known to be present in buildings and structures to be selectively demolished because of building operations or processes performed there.

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

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

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

1.8 COORDINATION

A. Arrange selective demolition schedule so as not to interfere with Govt's operations.

PART 2 - PRODUCTS

2.1 PERFORMANCE 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/ASSP A10.6 and NFPA 241.

TMD PN 48220220

SELECTIVE DEMOLITION 024119 - 4

PART 3 - EXECUTION

3.1 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. Proceed with selective demolition systematically, from higher to lower level. Complete selective demolition operations above each floor or tier before disturbing supporting members on the next lower level.

2. 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.

Temporarily cover openings to remain.

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

4. Do not use cutting torches until the 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.

5. Maintain fire watch during and for at least 4 hours after flame-cutting operations.

6. Maintain adequate ventilation when using cutting torches.

7. Remove decayed, vermin-infested, or otherwise dangerous or unsuitable materials and promptly dispose of off-site.

8. Remove structural framing members and lower to ground by method suitable to avoid free fall and to prevent ground impact or dust generation.

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

10. Dispose of demolished items and materials promptly. Comply with requirements in

Section 017419 "Construction Waste Management and Disposal."

B. 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.

C. Work in Historic Areas: Selective demolition may be performed only in areas of Project that are not designated as historic. In historic spaces, areas, and rooms, or on historic surfaces, the terms

"demolish" or "remove" shall mean historic "removal" or "dismantling" as specified in

Section 024296 "Historic Removal and Dismantling."

D. Removed and Salvaged Items:

1. Clean salvaged items.

2. Pack or crate items after cleaning. Identify contents of containers.

3. Store items in a secure area until delivery to Govt.

4. Transport items to Govt's storage area designated by Govt.

5. Protect items from damage during transport and storage.

E. Removed and Reinstalled Items:

TMD PN 48220220

024119-5 SELECT DEMOLITION

1. Clean and repair items to functional condition adequate for intended reuse.

2. Pack or crate items after cleaning and repairing. Identify contents of containers.

3. Protect items from damage during transport and storage.

4. Reinstall items in locations indicated. Comply with installation requirements for new materials and equipment. Provide connections, support, and miscellaneous materials necessary to make item functional for use indicated.

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

3.2 SELECTIVE DEMOLITION PROCEDURES FOR SPECIFIC MATERIALS

A. Roofing: Remove no more existing roofing than what can be covered in one day by new roofing so that building interior remains watertight and weathertight. See Section 070000 for new roofing requirements.

1. Remove existing roof membrane, flashings, copings, and roof accessories.

2. Remove existing roofing system down to substrate.

3.3 DISPOSAL OF DEMOLISHED MATERIALS

A. Remove demolition waste materials from Project site and dispose of them in an EPA-approved construction and demolition waste landfill acceptable to authorities having jurisdiction. and recycle or dispose of them according to Section 017419 "Construction Waste Management and

Disposal."

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.

4. Comply with requirements specified in Section 017419 "Construction Waste

Management and Disposal."

B. Burning: Do not burn demolished materials.

3.4 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.

3.5 SELECTIVE DEMOLITION SCHEDULE

A. Remove: Roofing materials and accessories.

TMD PN 48220220

ISSUE FOR IFB

SILOXANE WATER REPELLENTS 07 19 23

SECTION 07 19 23

SILOXANE WATER REPELLENTS

PART 1 – GENERAL

1. Siloxane Water Repellents

1.2 REFERENCES

A. American Society for Testing and Materials (ASTM)

1. ASTM E-514 Standard Test Method for Water Penetration and Leakage through Masonry.

B. National Cooperative Highway Research Program (NCHRP)

1.NCHRP Report 244 Reduction of Chloride Ion Uptake

1.3 SUBMITTALS

A. General: Submit Listed Submittals in accordance with Conditions of the Contract and Division 1

Procedures Section.

B. Product Data: Submit manufacturer’s product data and installation instructions.

C. Quality Assurance/Control Submittals: Submit the following:

1. Certificates: Submit certificate that applicator complies with the requirements of this section.

1.4 QUALITY ASSURANCE

A. Applicator Qualifications: Utilize an applicator trained and approved by waterproofing manufacturer.

1.5 DELIVERY, STORAGE, & HANDLING

A. General: Comply with Division 1 Product Requirement Section

B. Delivery: Deliver materials in manufacturer’s original, unopened, undamaged containers with

Identification labels intact.

C. Storage and Protections: Store materials protected from exposure to harmful environmental conditions and at temperature and humidity conditions recommended by the manufacturer.

1.6 PROJECT/SITE CONDITIONS

A. Environmental Requirements: Comply with application temperature range 40 – 95 degrees F.

TMD PN 48220220

THERMAL INSULATION 07 21 00

B. Substrate shall be rain free 24 hours prior to application and 24 hours after application.

1.7 WARRANTY

A. Waterproofing Warranty: Product has a five (5) year material warranty. Manufacturer’s warranty shall be independent from any other warranties made by the Contractor under requirements of the

Contract Documents and may run concurrent with said warranties. Should the product fail to perform as specified the manufacturer shall reimburse the purchase price of the material used or supply new material for replacement.

PART 2 – PRODUCTS

2.1 SILOXANE WATER REPELLENT

A. Manufacturer: Applied Technologies, LLC

1.Contact: P.O. Box 18476 Fairfield, OH 45018 1-877-277-5948 / 513-939-3767

Fax 513-939-3787

B. Proprietary Products/Systems to be purchased directly from Applied Technologies by Applicator.

C. Siloxane Water Repellents include the following:

1. A-Tech Masonry & Brick Sealer

a. Material: Water-based emulsion siloxane water repellent

b. Siloxane Content: 7-10%

c. Application Method: [Brush], [Roller], [Sprayer]

d. Color: Milky White, dries clear

e. Active Content: 100%

f. Freeze Point: 32 degrees F

g. Coverage Rate: 1 gallon/100 ft2

2.2 LIMITATIONS

A. Will not prevent water through cracks, defects or open joints.

B. Mortar and concrete shall be cured for 28 days prior to use.

2.3 TESTING

A. Test a minimum 3’ x 3’ area on each type of masonry. Use the manufacturer’s application instructions. Let test area cure before inspection. Keep test panels available for comparison

TMD PN 48220220

throughout application procedure.

PART 3 – EXECUTION

3.1 MANUFACTURER’S INSTRUCTIONS

A. Comply with the most current written installation instructions and recommendations of the waterproofing manufacturer.

3.2 EXAMINATION

A. Site Verification of Condition

1. Verify that conditions are acceptable for application of the waterproofing system.

2. Do not proceed with the application until unacceptable conditions are correct.

a. Substrate must not have rain for 24 hours prior to application

b. Substrate must not have rain for 24 hours after application

c. Site temperatures must be above 40 degrees F during and after application

3.3 PREPARATION

A. Surface Preparation:

1. Ensure that surfaces to be coated are structurally sound and free of moisture, dust, loose materials, frost, loose mortar or any materials or obstructions that would be detrimental to the penetration of the sealer.

3.4 APPLICATION

A. Stir before use. Do not dilute. Do not apply in high winds. Protect glass and metal from coverage.

Wash with soap and water.

1. Vertical Application: Spray, brush, or roll sealer onto substrate starting at bottom of area.

Maintain 6-8” run down of sealer. Protect coated areas for 24 hours from rain.

2. Horizontal Application: Spray, brush, or roll sealer onto substrate. Maintain even coating and spread out any ponding that may occur prior to curing. Protect coated areas for 2 hours from rain.

3.5 CLEAN UP

B. Clean any over application of sealer off glass and metal with soap and water before drying.

TMD PN 48220220

SECTION 07 21 00

THERMAL INSULATION

PART 1 – GENERAL

1. Rigid insulation.

B. Related Work Specified and Installed in Other Sections:

1. Rigid board insulation at TPO membrane roofing; Section 07 54 00.

1.2 ACTION SUBMITTALS

A. Product Data: For the following

1. Rigid insulation.

1.3 INFORMATIONAL SUBMITTALS

A. Installer's Certification: List type, manufacturer, and R-value of each type of insulation installed in each element of the building thermal envelope.

B. Product Test Reports: For each product, for tests performed by a qualified testing agency.

1.4 DELIVERY, STORAGE, AND HANDLING

A. Protect insulation materials from physical damage and from deterioration due to moisture, soiling, and other sources. Store inside and in a dry location. Comply with manufacturer's written instructions for handling, storing, and protecting during installation.

PART 2 - PRODUCTS

2.1 RIGID INSULATION

A. Polyisocyanurate Board Insulation: ASTM C 1289, with maximum flame-spread and smoke-developed indexes of 75 and 450, respectively, per ASTM E 84.

1. Thicknesses: As indicated; refer to drawing

2. Manufacturers: Subject to compliance with requirements, available manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following:

a. DiversiFoam Products.

b. Dow Chemical Company (The).

TMD PN 48220220

c. Owens Corning.

d. Pactiv Building Products.

B. Extruded Polystyrene (XPS) Rigid Foam Insulation: Owens Corning “Foamular” or approved equal.

Closed-cell, moisture resistant rigid foam board. Refer to drawings for R-Values.

1. Flame Spread Index (FSI): 10 Value, ASTM E 84.

2. Smoked Developed Index (SDI): 175, ASTM E84.

3. Complies with ASTM C578, Type IV.

2.3 INSULATION FASTENERS

A. Adhesively Attached, Spindle-Type Anchors: Plate welded to projecting spindle; capable of holding insulation of specified thickness securely in position with self-locking washer in place.

1. Plate: Perforated, galvanized carbon-steel sheet, 0.030 inch thick by 2 inches square.

2. Spindle: Copper-coated, low-carbon steel; fully annealed; 0.105 inch in diameter; length to suit depth of insulation.

B. Adhesively Attached, Angle-Shaped, Spindle-Type Anchors: Angle welded to projecting spindle;

capable of holding insulation of specified thickness securely in position with self-locking washer in place.

1. Angle: Formed from 0.030-inch-thick, perforated, galvanized carbon-steel sheet with each leg 2 inches square.

2. Spindle: Copper-coated, low-carbon steel; fully annealed; 0.105 inch in diameter; length to suit depth of insulation.

C. Insulation-Retaining Washers: Self-locking washers formed from 0.016-inch-thick galvanized-steel sheet, with beveled edge for increased stiffness, sized as required to hold insulation securely in place, but not less than 1-1/2 inches square or in diameter.

D. Insulation Standoff: Spacer fabricated from galvanized mild-steel sheet for fitting over spindle of insulation anchor to maintain air space of 1 inch between face of insulation and substrate to which anchor is attached.

E. Anchor Adhesive: Product with demonstrated capability to bond insulation anchors securely to substrates without damaging insulation, fasteners, or substrates.

2.4 ACCESSORIES

A. Insulation for Miscellaneous Voids:

B. Adhesive for Bonding Insulation: Product compatible with insulation and air and water barrier materials, and with demonstrated capability to bond insulation securely to substrates without damaging insulation and substrates.

3.1 PREPARATION

A. Clean substrates of substances that are harmful to insulation, including removing projections capable of puncturing insulation or vapor retarders, or that interfere with insulation attachment.

TMD PN 48220220

THERMAL INSULATION 07 54 00

3.2 INSTALLATION, GENERAL

A. Comply with insulation manufacturer's written instructions applicable to products and applications.

B. Install insulation that is undamaged, dry, and unsoiled and that has not been left exposed to ice, rain, or snow at any time.

C. Install insulation with manufacturer's R-value label exposed after insulation is installed.

D. Extend insulation to envelop entire area to be insulated. Fit tightly around obstructions and fill voids with insulation. Remove projections that interfere with placement.

E. Provide sizes to fit applications and selected from manufacturer's standard thicknesses, widths, and lengths. Apply single layer of insulation units unless multiple layers are otherwise shown or required to make up total thickness or to achieve R-value.

3.3 INSTALLATION OF CAVITY-WALL INSULATION

A. Rigid Insulation: Install pads of adhesive spaced approximately 24 inches on both ways on inside face, and as recommended by manufacturer. Fit courses of insulation between wall ties and other obstructions, with edges butted tightly in both directions. Press units firmly against inside substrates.

3.4 INSTALLATION OF INSULATION IN FRAMED CONSTRUCTION

A. Apply insulation units to substrates by method indicated, complying with manufacturer's written instructions. If no specific method is indicated, bond units to substrate with adhesive or use mechanical anchorage to provide permanent placement and support units.

B. Blanket Insulation: Install in cavities formed by framing members according to the following requirements:

1. Use insulation widths and lengths that fill the cavities formed by framing members. If more than one length is required to fill the cavities, provide lengths that will produce a snug fit between ends.

2. Place insulation in cavities formed by framing members to produce a friction fit between edges of insulation and adjoining framing members.

3.Maintain 3-inch clearance of insulation around recessed lighting fixtures not rated for or protected from contact with insulation.

4. For metal-framed wall cavities where cavity heights exceed 96 inches, support unfaced blankets mechanically and support faced blankets by taping flanges of insulation to flanges of metal studs.

C. Rigid Insulation: Seal joints between units by applying adhesive, 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 adhesive, mastic, or sealant as recommended by insulation manufacturer.

D. Miscellaneous Voids: Install insulation in miscellaneous voids and cavity spaces where required to prevent gaps in insulation.

TMD PN 48220220

THERMAL INSULATION 07 54 00

3.5 PROTECTION

A. Protect installed insulation from damage due to harmful weather exposures, physical abuse, and other causes.

B. Provide temporary coverings or enclosures where insulation is subject to abuse and cannot be concealed and protected by permanent construction immediately after installation.

3.6 CONSTRUCTION WASTE MANAGEMENT AND DISPOSAL

A. Divert waste from the landfill in compliance with Section 01 74 19 “Construction Waste Management and Disposal”.

ISSUE FOR IFB

SECTION 07 54 00

THERMOPLASTIC MEMBRANE ROOFING

1.01 SECTION INCLUDES:

A. Fully adhered TPO thermoplastic roof system.

1.02 RELATED SECTIONS:

A. Section 07 21 00 - Roof Insulation.

B. Section 07 60 00 - Sheet Metal Work.

C. Section 07 56 50 – Minor Roof Renovation Work.

1.03 REFERENCES:

A. ASTM D4434 - Standard Specification for Polyvinyl Chloride Sheet Roofing.

B. FS FF-S-325 - Shield Expansion; Nail, Expansion; and Nail, Drive-Screw.

C. UL 790 - Tests for Fire Resistance of Roof Covering Materials.

1.04 SUBMITTALS:

A. Procedures for Submittals: Section 01 3400.

B. Shop Drawings:

1. Submit Shop Drawings of roofing system.

2. Indicate complete installation details of roofing, flashing and insulation, including seam and bar layout, roof slopes, flashing details and penetration details. Include complete flashing detail for each flashing condition. Manufacturer's standard preprinted details will not be acceptable for Shop Drawings.

C. Product Data: Submit latest edition of manufacturer's roofing and base flashing specifications selected including list of materials proposed for use, installation procedures, and manufacturer's data sheets for other products.

D. Certificates: Submit manufacturer's certification that materials and components furnished conform with Specification requirements, that materials furnished are compatible for decks indicated and to adjacent related work and that a warranty will be issued on completion of installation. At completion of work, submit roofing manufacturer's certification that roofing system was installed in accordance with manufacturer's requirements.

E. Samples: Submit following:

1. 2 - 24 in. sq. samples of membrane and decorative battens

2. One bar fastener.

F. Maintenance Data: Compile and submit maintenance instructions in accordance with Division One. Include complete manufacturer's instructions for periodic inspection and maintenance of roofing system.

G. Warranty: Submit specimen copy of roof manufacturer's warranty including evidence of application for warranty.

H. Batten Layout: Provide complete batten layout for each roof area with complete dimensional information.

1.05 QUALITY ASSURANCE:

A. Applicator: Approved in writing by manufacturer of accepted roofing system. Minimum experience of 3 previous installations of comparable size and complexity with accepted roofing

THERMOPLASTIC MEMBRANE ROOFING 07 54 00

TMD PN 48220220

system. Applicators of battens shall be performed by applicator personnel that have completed manufacturer’s mandatory one day installation and training program.

B. Regulatory Requirements: Classified by Underwriters' Laboratories, Inc., as a Class A roof covering, UL 790.

C. Pre-Installation Conference:

1. Prior to installation of roofing system, conduct a pre-installation conference at the project site.

2. Conduct meeting in accordance with Section 01 3140.

3. Attendance: Architect, Contractor, job superintendent, sub-contractors and suppliers related to roofing work.

4. Agenda: Review project conditions, application, coordination with other work, and protection of completed roofing.

1.06 DELIVERY, STORAGE AND HANDLING:

A. Deliver materials in manufacturers' original, unopened containers or packages with labels intact and legible.

B. Store rolled goods on clean raised platforms with weather protective covering when stored outdoors. Store other materials in dry, protected area and maintain at a temperature of 60 to 80 degrees F.

C. Provide continuous protection of materials against deterioration.

1.07 PROJECT CONDITIONS:

A. Environmental Requirements:

1. Apply roofing in dry weather.

2. When ambient temperature is below 60 degrees F, expose only enough cement and adhesive required within a 4-hour period.

B. Protection:

1. Provide special protection or avoid heavy traffic on completed work when ambient temperature is above 80 degrees F.

2. Restore to original condition or replace work or materials damaged during handling of roofing materials.

1.08 WARRANTY:

A. Applicator: Furnish a warranty against leaks and defects in materials and workmanship for a period of 2 years from the date of Substantial Completion.

1. Include repairs required to maintain roof and base flashing in a watertight condition.

2. Make repairs at no expense to Owner.

B. Roof Manufacturer: Furnish a full system warranty for roof membrane and flashings against leaks and defects in materials and workmanship for a period of 20 years from date of Substantial Completion.

1. Include agreement to maintain roof and flashing in a watertight condition for period of warranty.

2. Make repairs at no expense to Owner.

PART 2 - PRODUCTS

2.01 MANUFACTURERS:

A. Roofing System: Sika Sarnafil G410 Feltback Adhered Décor Systems TPO thermoplastic roofing system is the basis of design. Equivalent systems will be acceptable contingent on such systems having a finished color and seam profile similar to the one specified herein.

B. Products furnished for roofing system shall be products of roofing manufacturer, or products acceptable to roofing manufacturer.

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C. Component products listed for roofing system are product names of Sika Sarnafil, unless otherwise specified.

D. Substitutions: Refer to Section 01 6000.

2.02 THERMOPLASTIC MEMBRANE ROOFING SYSTEM:

A. Qualities: Reinforced TPO sheet membrane system, fully adhered application over insulation over standing seam metal panel.

2.03 MEMBRANE:

A. Qualities: Reinforced TPO membrane.

1. Thickness: 60 mil with 9 oz. felt backing.

2. Color: EnergySmart felback membrane (#6500 Light Grey), initial reflectivity of 0.83, initial emissivity of 0.90, solar reflective index (SRS) of >104.

3. Reinforcing: Fiberglass.

4. Tensile Strength: 1600 psi.

B. Standard: ASTM D4434, Type II, Grade 1.

C. Source: Sika Sarnafil G410-15 Feltback Thermoplastic Membrane by Sika Sarnafil, Inc.

2.04 RELATED MATERIALS:

A. Adhesives, Cements, Sealants and Mastics: Bonding adhesive, cement, sealant, and pourable sealer, each compatible with materials with which it is used, as recommended and furnished by roofing membrane manufacturer.

B. Membrane Flashing: Sika Sarnafil G410 membrane flashing.

C. Penetration Flashing: Prefabricated vent pipe flashing from 48 mil G410 membrane, Sarna-stack.

D. Fasteners:

1. Metal Deck: Screws and plates as recommended and furnished by roofing manufacturer.

2. Wood Nailers: Non-ferrous, cement-coated, or galvanized barbed roofing nails, l2 ga., driven through one in. diameter tin caps.

3. Concrete and Masonry: Round-head stainless steel screws with neoprene washers and lead expansion anchor, FS FF-S-325, Group IV, Type 2, Rawlplug by The Rawlplug Co.

E. Metal Compression Bar Edging: 1/8 x one in. aluminum bar punched for fasteners at 6 in. o.c., free of burrs or sharp edges. Sarnastop.

F. Walkway Protection: Fiberglass reinforced, 60 mil weldable membrane with a thick sand-based coating on top side. Sand-Coated Walkway by Sarnafil.

G. Décor Batten:

1. A 2 x 2-inch (50.8 x 50.8 mm) x 10 feet (3.04 M) TPO extrusion. Décor Batten by Sarnafil.

2. Décor Batten end caps as manufactured by Sarnafil, color to match batt

3.01 EXAMINATION:

A. Verify that other work which penetrates roof deck has been completed.

B. Examine surfaces for defects, rough spots, ridges, depressions, foreign material, moisture, unevenness and other conditions that would prevent proper application of roofing.

C. Verify that wood nailers, plywood sheathing and roof insulation are properly installed to receive roofing.

D. Do not proceed until defects are corrected.

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PREPARATION:

E. Clean surfaces free of oil, grease or other contaminants.

F. Clean roof insulation immediately prior to roofing application.

3.02 APPLICATION:

A. Roofing Membrane: Fully adhered.

1. Fully adhered membrane installation with adhesive in accordance with accepted roofing manufacturer's specification and installation instructions.

a. Apply adhesive to substrate using solvent-resistant ¾ inch nap paint rollers. Apply adhesive to substrate at a rate recommended by membrane manufacturer for substrate to receive roofing. Apply adhesive smoothly, even coating with no gaps, globs, puddles or similar inconsistencies.

b. Only an area which can be completely covered in the same day's operations shall be coated with adhesive. Allow the first layer of adhesive to dry completely prior to installing second layer of adhesive and feltback roofing membrane.

c. Unroll feltback roof membrane immediately into the second layer of wet adhesive.

Adjacent to that first installed roll of membrane, apply another second layer of wet adhesive and unroll the subsequent sheet of feltback roof membrane with such process being completed throughout the areas to receive roofing. Adjacent sheets shall be overlapped 3 inches. Do not allow the second application of adhesive to dry prior to the installation of the feltback roof membrane.

d. No adhesive shall be applied in seam areas.

2. Hot air weld joints.

B. Joining Sheets:

1. Hot air weld joints with electric hot air welding equipment in accordance with manufacturer's recommendations.

2. Overlap sheets 4 in. for hand welding and 3 in. for automatic machine welding.

3. Width of weld: Approximately 1-1/2 in.

C. Daily Seal: Complete installation of roofing system up to line of termination of day's work.

Install temporary water cut-off edge seal at edge of membrane at end of each day's work.

Remove upon resumption of work.

D. Flashing:

1. Install in accordance with requirements of roofing system manufacturer.

2. Install where roofing system abuts vertical surfaces, at roof perimeters and at other locations detailed.

3. Weld flashing to roof membrane following manufacturer's directions.

4. Terminate top and face edges of membrane flashing with applied metal compression bar fastened at rate indicated with pre-drilled expansion anchors and screws. Seal edge with sealant.

E. Vent and Pipe Flashings:

1. Flash penetrations through roof membrane as detailed. Clamp top of seal with stainless steel clamping ring or as required by manufacturer. Leave watertight and free of leaks.

2. Flash metal penetration dams with flashing and fill dam with pourable sealer in accordance with manufacturer's details.

F. Batten Installation:

1. Install Décor Battens in accordance with manufacturer’s requirements with spacing between battens being provided in accordance with the approved shop drawings.

TMD PN 48220220

2. Install batten end caps on all exposed ends of battens in accordance with the manufacturer's requirements.

G. Walkway Protection:

1. Install walkway protection in accordance with manufacturer’s requirements where indicated, hot welding the entire perimeter to the field membrane.

3.03 FIELD QUALITY CONTROL:

A. Tests: Test complete length of each weld by running a screwdriver along joint after weld cools.

Reweld discontinuities in weld.

B. Inspections:

1. During installation, provide for weekly inspections by a technical representative of roof membrane manufacturer.

2. Upon completion of installation, provide a final inspection by a technical representative of roof membrane manufacturer to certify that roofing system has been installed in accordance with manufacturer's requirements.

3.04 CLEANING:

A. Remove debris and material waste from project site.

B. Remove adhesives, sealants and other foreign substances from exposed, finished surfaces.

3.05 INSTALLATION OF COVER BOARDS

H. Install cover boards over insulation with long joints in continuous straight lines, with end joints staggered between rows. Offset joints of insulation below a minimum of 6 inches in each direction.

1. Trim cover board neatly to fit around penetrations and projections, and to fit tight to intersecting loping roof decks.

2. At internal roof drains, conform to slope of drain sump.

a. Trim cover board, so that water flow is unrestricted.

3. Cut and fit cover board tight to nailers, projections, and penetrations.

4. Adhere cover board to substrate using adhesive according to FM Approval’s RoofNav assembly requirements and FM Global Property Loss Prevention Data Sheet-29 for specified Windstorm Resistance Classification, as follows:

a. Set cover board in ribbons of bead-applied insulation adhesive, firmly pressing and maintaining insulation in place until adhesive sets.

TMD PN 48220220

MINOR ROOF RENOVATION WORK 07 56 50

SECTION 07 56 50

MINOR ROOF RENOVATION WORK

1.01 SECTION INCLUDES:

A. Required minor demolition for reroofing work.

B. Required minor renovation for reroofing work.

1.02 RELATED SECTIONS:

A. Section 01 11 00 – Summary

B. Section 01 22 00 – Unit Pricing

C. Section 07 54 00 – Thermoplastic Membrane Roofing (TPO)

D. Section 07 72 00 – Roof Accessories

1.03 SUBMITTALS:

A. Product Data: Submit manufacturer's product data sheets for each product in accordance with Section 01 33 00.

1.04 PROTECTIONS:

A. Prior to starting minor demolition operations, provide necessary protections as specified in Section 01 50 00.

1.05 COORDINATION:

A. Sequence minor demolition and renovation with work sequence of reroofing work.

B. Coordinate with reroofing work so that no more existing items are removed in one day than can be replaced along with new roofing work in same day.

PART 2 - PRODUCTS

2.01 MATERIALS:

A. Wood Nailers and Blocking:

1. No. 2 or better Southern Yellow Pine.

2. Fire-retardant treated with Osmose Flame Proof LHC, bearing UL Label FR-S.

3. Dimensions to match existing 2x4’s, 2x6’s, 2x8’s and 2x10’s.

B. Fasteners:

1. Screws: Hot-dip galvanized wood screws.

2. Nails: Non-ferrous, cement-coated, or hot-dip galvanized nails.

C. Metal Paint:

1. Rust-Inhibitive Paint: 1500 System Speedy-Dry 1573 Rust-Inhibitive Primer as manufactured by Rust-Oleum or similar approved product.

D. Lightweight Insulating Concrete: Match existing lightweight concrete.

PART 3 - EXECUTION

3.01 PREPARATION:

A. Verify that required barricades and other protective measures are in place.

TMD PN 48220220

MINOR ROOF RENOVATION WORK 07 56 50

3.02 MINOR DEMOLITION OPERATIONS:

A. General:

1. Comply with precautions and procedures specified in Section 02 41 19.

2. Cut and remove materials as designated on Drawings.

3. Execute demolition in a careful and orderly manner with least possible disturbance or damage to adjoining surfaces and structure.

4. Avoid excessive vibrations in demolition procedures that would be transmitted through existing structure and finish materials.

3.03 DISPOSAL:

A. Materials, equipment and debris resulting from demolition operations shall become property of Contractor. Remove demolition debris in accordance with applicable City, State and Federal Laws, and in accordance with requirements of Section 02 41 19 and 01 50 00.

B. Legally dispose of demolition debris.

3.04 MINOR RENOVATION WORK:

A. Replacement of Wood Nailers:

1. Replace deteriorated wood blocking where present with new blocking anchored or fastened to substrate in a similar manner to existing.

3.05 LIGHTWEIGHT CONCRETE ROOF DECK RENOVATION:

A. Examine lightweight concrete roof deck for deterioration such as loss of cohesion or issues which would result is a reduction of the deck’s load carrying capacity.

1. Remove all deteriorated lightweight concrete to sound material. If the metal deck is exposed in this process, coat the metal deck with a rust inhibitive primer.

2. Repair lightweight concrete deck with like materials in accordance with the manufacturer’s written recommendations.

B. Patch minor voids and damages in the lightweight concrete roof deck from removal of existing penetrations and other mechanical attachments.

TMD PN 48220220

SHEET METAL WORK 07 60 00

SECTION 07 60 00

SHEET METAL WORK

PART 1 GENERAL

1.01 SECTION INCLUDES:

A. Shop or field-formed sheet metal work for moisture protection

B. Accessories.

1.02 RELATED SECTIONS:

A. Section 07 54 00 – Thermoplastic Membrane Roofing (TPO)

B. Section 07 92 00 - Joint Sealants.

1.03 REFERENCES:

A. AAMA 2605 - Voluntary Specification, Performance Requirements and Test Procedures for Superior Performing Organic Coatings on Aluminum Extrusions and Panels; 1998.

B. ASTM A 653/A 653M - Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by the Hot-Dip Process; 2000.

C. FS FF-S-325 - Shield Expansion; Nail, Expansion; and Nail, Drive-Screw.

D. SMACNA (ASMM) - Architectural Sheet Metal Manual; Sheet Metal and Air Conditioning Contractors' National Association; 2012.

1.04 SUBMITTALS:

A. Procedures for Submittals: Section 01 33 00.

B. Shop Drawings: Indicate material profile, jointing pattern, jointing details, fastening methods, flashings, terminations, and installation details.

C. Samples: Submit two samples 6 x 6 inch in size illustrating metal finish color.

1.05 QUALITY ASSURANCE

A. Perform work in accordance with SMACNA Architectural Sheet Metal Manual requirements and standard details, except as otherwise indicated.

B. Fabricator and Installer Qualifications: Company specializing in sheet metal work with 5 years of documented experience.

C. Pre-Installation Conference:

1. Attend roofing pre-installation conference at the project site.

2. Attendance: Owner, Contractor, project superintendent, sheet metal fabricator and applicator.

1.06 DELIVERY, STORAGE, AND HANDLING:

A. Stack material to prevent twisting, bending, and abrasion, and to provide ventilation. Slope metal sheets to ensure drainage.

B. Prevent contact with materials which may cause discoloration or staining.

1.07 WARRANTY:

A. Provide Owner a written warranty which shall warrant sheet metal work to be free of leaks and defects in materials and workmanship for 5 years after date of Substantial Completion.

TMD PN 48220220

PART 2 PRODUCTS

2.01 SHEET MATERIALS:

A. Galvanized Steel: ASTM A 653/A 653M, with G90/Z275 zinc coating; thickness as scheduled, minimum 24 gage base metal.

B. Pre-Finished Galvanized Steel: ASTM A 653/A 653M, with G90/Z275 zinc coating; shop pre-coated with PVDF coating, color as selected.

1. PVDF (Polyvinylidene Fluoride) Coating: Superior Performance Organic Finish, AAMA

2605; multiple coats, thermally cured fluoropolymer finish system; color as selected by Owner from manufacturer's standard colors.

2.02 ACCESSORIES:

A. Fasteners: Same material and finish as flashing metal, with soft neoprene washers.

1. Nails: Flathead, wire, barbed, slating type.

2. Screws: Self-tapping sheet metal type with rubber washer made of EPDM.

3. Rivets: Type and size as recommended by sheet metal manufacturer.

4. Concrete Fasteners: Round-head stainless steel screw and neoprene washer with lead expansion anchor, FS FF-S-325, Group IV, Type 2. Powers Rawl Screw Type Nailins.

2.03 FABRICATION:

A. Form sections as detailed; true to shape, accurate in size, square, and free from distortion or defects.

B. Fabricate cleats of same material as sheet, minimum 3 inches wide, interlocking with sheet.

C. Form pieces in longest possible lengths.

D. Make angle bends and folds for interlocking metal with full regard for expansion and contraction to avoid buckling or fullness in metal after installation.

E. Hem exposed edges on underside 1/2 inch; miter and seam corners.

F. Form material with scheduled or specified seams. At moving joints, use sealed lapped, bayonet-type or interlocking hooked seams.

G. Fabricate vertical faces with bottom edge formed outward 1/2 inch and hemmed to form drip.

H. Fabricate sheet metal items out of sheet metal and gauge as noted on plans.

2.04 FABRICATED ITEMS:

A. Counter Flashings:

1. One piece system as detailed.

2. Fabricated as shown similar to SMACNA Figure 4-4D.

B. Copings: Refer to Section 07 71 00 – Manufactured Roof Specialties.

C. Edge Metal: Refer to Section 07 71 00 – Manufactured Roof Specialties.

D. Hung Gutters:

1. Prefinished sheet metal formed in minimum 10 ft lengths. Lap joints 1 inch and rivet and seal.

2. Profile as indicated similar to SMACNA Figure 1-2, Style A.

3. Provide butt type expansion joints where indicated and detailed similar to SMACNA Figure

1-7.

4. Install prefinished sheet metal, 1-inch-wide gutter brackets, hemmed and riveted to top edge of gutter as shown installed at 36 inches on center.

5. Provide outlet thimble to fit downspouts similar to SMACNA Figure 1-33, Detail 1.

TMD PN 48220220

E. Downspouts:

1. Prefinished sheet metal with upper sections telescoped into lower sections 1-1/2 inch and riveted and sealed fabricated similar to SMACNA Figure 1-32B.

2. Provide 3 evenly spaced 2-inch-wide hemmed prefinished sheet metal wall brackets for each downspout.

PART 3 EXECUTION

3.01 EXAMINATION:

A. Verify roofing termination and base flashings are in place, sealed, and secure.

B. Verify that substrates are smooth and clean to the extent needed for sheet metal work.

C. Do not start sheet metal work until conditions are satisfactory.

3.02 INSTALLATION - GENERAL

A. Install work watertight, without waves, warps, buckles, fastening stresses or distortion, allowing for expansion and contraction.

B. Install fabricated sheet metal items as detailed and in general accordance with SMACNA Architectural Sheet Metal Manual.

C. Fit flashings tight in place. Make corners square, surfaces true and straight in planes, and lines accurate to profiles.

3.03 INSTALLATION - FABRICATED ITEMS:

A. Counter Flashings:

1. Install where shown with fasteners installed as indicated.

2. Overlap counter flashing 4 inches over base flashing, lap ends of sheets 3 inches.

3. Solder joints in galvanized sheet metal counter flashings.

B. Multiple Pipe Penetration Flashing:

1. Install over base ply of modified bitumen roof membrane setting flanges in roofing cement.

2. Install where indicated with soldered joints.

3. Solder all joints.

4. Seal openings in metal decking with non-combustible material prior to installing non-shrink grout.

5. Install non-shrink grout in bottom of penetration dam.

6. Install pourable sealer over non-shrink grout after the non-shrink grout has fully cured.

7. Install flashing hood as detailed, securing such in place with sheet metal fasteners.

C. Cleats:

1. Install as required to allow for the bottom edge of the exterior side of the coping to match the existing elevation.

2. Anchor to suitable substrate.

D. Hung Gutters:

1. Install plumb and level, attached to substrate with nails installed at 6 inches on center.

2. Install butt type expansion joints where indicated.

3. Install outlet thimbles at downspouts.

E. Downspouts:

1. Install plumb and level, attached to wall with gutter brackets anchored to substrate with expansion anchors.

2. Provide 3 evenly spaced 2-inch-wide hemmed prefinished sheet metal wall brackets for each downspout.

TMD PN 48220220

3.04 CLEANING:

A. Leave work clean and free of stains, scrap, and debris.

3.05 MOUNTING OF WARRANTY:

A. Mount professionally framed in close proximity to the door providing access to the roof a copy of the specified warranty.

TMD PN 48220220

ROOF SPECIALTIES 07 71 00

SECTION 077100

MANUFACTURED ROOF SPECIALTIES

1.01 SECTION INCLUDES

A. Manufactured roof specialties, including gutters, copings, and gravel stops.

1.02 RELATED REQUIREMENTS

A. Section 07 60 00 - Sheet Metal Work: Shop-formed sheet metal items.

B. Section 07 72 00 - Roof Accessories: Manufactured curbs.

1.03 REFERENCE STANDARDS

A. AAMA 2604 - Voluntary Specification, Performance Requirements and Test Procedures for High Performance Organic Coatings on Aluminum Extrusions and Panels; 2005.

B. ANSI/SPRI ES-1 - Wind Design Standard for Edge Systems Used with Low Slope Roofing Systems, American National Standards Institute/Single-ply Roofing Institute.

C. FM DS 1-49 - Perimeter Flashing; Factory Mutual Research Corporation.

D. SMACNA (ASMM) - Architectural Sheet Metal Manual; Sheet Metal and Air Conditioning Contractors' National Association; 2012.

1.04 SUBMITTALS

A. Procedures for Submittals: Section 01 33 00.

B. Product Data: Provide data on shape of components, materials and finishes, anchor types and locations.

C. Shop Drawings: Indicate configuration and dimension of components, adjacent construction, required clearances and tolerances, and other affected work.

D. Samples: Submit one appropriately sized sample of each coping and gravel stop profile. Submit verification sample of pre-finished metal color.

E. Manufacturer's Installation Instructions: Indicate special procedures and perimeter conditions requiring special attention.

1.05 QUALITY ASSURANCE

A. Perform work in accordance with SMACNA Architectural Sheet Metal Manual details, FM DS 1- 49 and ANSI/SPRI ES-1.

1.06 WARRANTY:

A. Provide Owner a written warranty which shall warrant metal coping system to be free of leaks and defects in materials and workmanship for 20 years after date of Substantial Completion.

B. Provide Owner a written warranty which shall warrant edge metal system to be free of leaks and defects in materials and workmanship for 20 years after date of Substantial Completion.

B. Provide a finish warranty for 20 years against defects in the finish including fading, chipping and chalking.

PART 2 PRODUCTS

2.01 MANUFACTURERS

A. Edge Metal:

1. Metal Era; Product Anchor-Tite Drip Edge: www.metalera.com.

http://www.metalera.com/

TMD PN 48220220

ROOF SPECIALTIES 07 71 00

B. Coping:

1. Metal Era; Product Perma-Tite Gold Coping: www.metalera.com.

C. Gutter:

1. Metal Era; Product Seal-Tite Industrial Gutter: www.metalera.com.

2.02 COMPONENTS

A. Copings and Edge Metal: Formed from extruded aluminum, manufacturer’s standard shape and components to create a complete system which meets FM 1-120 requirements. Copings and gravel stops tested to meet requirements of ANSI/SPRI ES-1

1. Internal Splice Plates: Concealed with matching finish to maintain outside face continuity.

2. Coping and Edge Metal Cleat: Manufacturer’s standard anchor cleat; continuous, to be mechanically fastened at 6 inches on center.

3. Coping Finish: Fluoropolymer coating (High Performance).

4. Edge Metal Finish: Fluoropolymer coating (High Performance).

5. Color: As selected by Owner.

2.03 ACCESSORIES

A. Anchor Cleats: Manufacturer’s standard to meet uplift requirements.

2.04 FINISHES

A. Fluoropolymer Coating: High Performance Organic Finish, AAMA 2604; multiple coats, thermally cured fluoropolymer finish system; color as selected from manufacturer's standard colors.

PART 3 EXECUTION

3.01 EXAMINATION

A. Verify that walls, curbs, roof membrane, base flashing, and other items affecting work of this Section are in place and positioned correctly.

3.02 INSTALLATION

A. Install components in accordance with manufacturer's instructions and in accordance with SMACNA Architectural Sheet Metal Manual, FM DS 1-49 and ANSI/SPRI ES-1.

B. Install work watertight, without waves, warps, buckles, fastening stresses or distortion, allowing for expansion and contraction.

C. Securely fasten copings and gravel stops with concealed fasteners, anchors and cleats.

1. Cleats: Secure with fasteners spaced at 6-inch centers maximum.

2. Copings: Secure the exterior face to continuous cleat and at interior face with neoprene gasketed fasteners at 8-inch centers maximum through slotted holes.

3. Edge Metal: Secure at exterior face to continuous cleat and at top flange with fasteners staggered at 3-inch centers.

4. Double fasteners (decrease spacing by 1/2) at corners in accordance with ANSI/SPRI ES-

1.

D. Install copings and gravel stops plumb and level, and in true alignment.

E. Coordinate installation of components of this section with installation of roofing membrane and base flashings.

F. Coordinate installation of sealants with work of this section to ensure water tightness.

TMD PN 48220220

ROOF ACCESSORIES 07 72 00

SECTION 07 72 00

ROOF ACCESSORIES

1.01 SECTION INCLUDES

A. Pipe supports.

B. Prefabricated roof curbs.

1.02 RELATED SECTIONS

A. Section 07 54 00 – Thermoplastic Membrane Roofing

B. Section 07 60 00 - Sheet Metal Work

1.03 SUBMITTALS

A. Procedures for Submittals: Section 01 33 00.

B. Product Data: Provide manufacturer's product data…