Attachment_0004-_Tech_Requirements___SOW_Attach_0001.pdf

SAJU 257466 072100 - 1

THERMAL INSULATION

SECTION 072100 - THERMAL INSULATION

PART 1 - GENERAL

1.01 SECTION REQUIREMENTS

A. Surface-Burning Characteristics: According to ASTM E 84 by a qualified testing agency.

Identify products with appropriate markings of applicable testing agency.

1.02 RELATED SECTIONS

A. 075423 - THERMOPLASTIC POLYOLEFIN (TPO) ROOFING

B. 076500 - FLEXIBLE FLASHING

PART 2 - PRODUCTS

2.01 INSULATION PRODUCTS

A. Extruded-Polystyrene Board Insulation: ASTM C 578, Type IV, with flame-spread and smoke-developed indexes of 75 and 450, respectively.

PART 3 - EXECUTION

3.01 INSTALLATION

A. Install insulation in areas and in thicknesses indicated or required. Cut and fit tightly around obstructions and fill voids with insulation.

B. Except for loose-fill insulation and insulation that is friction fitted in stud cavities, bond units to substrate with adhesive or use mechanical anchorage to provide permanent placement and support of units.

END OF SECTION 072100

SAJU 257466 075423 - 1

THERMOPLASTIC POLYOLEFIN (TPO) ROOFING

SECTION 075423 - THERMOPLASTIC POLYOLEFIN (TPO) ROOFING

SUMMARY

A. Section Includes:

1. Thermoplastic Polyolefin (TPO) sheet roofing mechanically fastened to roof deck.

RELATED SECTIONS

A. 072100 - THERMAL INSULATION

B. 076500 - FLEXIBLE FLASHING

SUBMITTALS

A. Color sample alternatives of the Thermoplastic Polyolefin Roofing.

B. Mil thickness alternatives of the Thermoplastic Polyolefin Roofing.

APPLICABLE PUBLICATIONS

A. Comply with references to extent specified in this section.

B. American National Standards Institute/Single-Ply Roofing Institute (ANSI/SPRI):

1. FX-1-01(R2006) - Standard Field Test Procedure for Determining the Withdrawal Resistance of Roofing Fasteners.

C. American Society of Civil Engineers/Structural Engineering Institute (ASCE/SEI):

1. 7-16 - Minimum Design Loads for Buildings and Other Structures.

D. ASTM International (ASTM):

1. C1549-09(2014) - Determination of Solar Reflectance Near Ambient Temperature

Using a Portable Solar Reflectometer.

2. D1876-08(2015) e1 - Peel Resistance of Adhesives (T-Peel Test).

3. D6878/D6878M-13 - Thermoplastic Polyolefin Based Sheet Roofing.

4. E408-13 - Total Normal Emittance of Surfaces Using Inspection-Meter Techniques.

5. E1918-06(2015) - Measuring Solar Reflectance of Horizontal and Low-Sloped Surfaces in the Field.

6. E1980-11 - Calculating Solar Reflectance Index of Horizontal and Low-Sloped Opaque

Surfaces.

E. Cool Roof Rating Council (CRRC):

1. 1-15 - Product Rating Program.

F. National Roofing Contractors Association (NRCA):

1. Manual-15 - The NRCA Roofing Manual: Membrane Roofing Systems.

G. U.S. Department of Agriculture (USDA):

1. BioPreferred® Program Catalog.

H. UL LLC (UL):

1. 580-06 - Tests for Uplift Resistance of Roof Assemblies.

2. 1897-15 - Uplift Tests for Roof Covering Systems.

I. U.S. Department of Commerce National Institute of Standards and Technology (NIST):

SAJU 257466 075423 - 2

1. DOC PS 1-09 - Structural Plywood.

2. DOC PS 2-04 - Performance Standard for Wood-Based Structural-Use Panels.

3. Energy Star - ENERGY STAR Program Requirements for Roof Products Version 3.0.

PREINSTALLATION MEETINGS

A. Conduct preinstallation meeting at project site minimum 30 days before beginning the

Construction of this section.

1. Required Participants:

a. Contracting Officer's Representative.

b. Design-Builder

2. Meeting Agenda: Distribute agenda to participants minimum 3 days before meeting.

a. Installation schedule.

b. Installation sequence.

c. Preparatory work.

d. Protection before, during, and after installation.

e. Installation.

f. Terminations.

g. Transitions and connections to other Construction work.

h. Inspecting and testing.

i. Other items affecting successful completion.

j. Pullout test of fasteners.

k. Material storage, including roof deck load limitations.

3. Document and distribute meeting minutes to participants to record decisions affecting installation.

QUALITY ASSURANCE

A. Installer Qualifications:

1. Approved by roofing system manufacturer as installer for roofing system with specified warranty.

2. Regularly installs specified products.

3. Installed specified products with satisfactory service on five similar installations for minimum five years.

4. Employs full-time supervisors experienced installing specified system and able to communicate with Contracting Officer's Representative and installer's personnel.

DELIVERY

A. Deliver products in manufacturer's original sealed packaging.

B. Mark packaging, legibly. Indicate manufacturer's name or brand, type, and manufacture date.

C. Before installation, return or dispose of products within distorted, damaged, or opened packaging.

STORAGE AND HANDLING

SAJU 257466 075423 - 3

A. Comply with NRCA Manual storage and handling requirements.

B. Store products indoors in dry, weathertight facility.

C. Store adhesives according to manufacturer's instructions.

D. Protect products from damage during handling and construction operations.

E. Products stored on the roof deck must not cause permanent deck deflection.

FIELD CONDITIONS

A. Environment:

1. Product Temperature: Minimum 4 degrees C (40 degrees F) for minimum 48 hours before installation.

2. Weather Limitations: Install roofing only during dry current and forecasted weather conditions.

WARRANTY

A. Construction Warranty: FAR clause 52.246-21, "Warranty of Construction."

B. Manufacturer's Warranty: Warrant roofing system against material and manufacturing defects and agree to repair any leak caused by a defect in the roofing system materials or workmanship of the installer.

1. Warranty Period: one year.

2.01 SYSTEM DESCRIPTION

A. Roofing System: Thermoplastic Polyolefin (TPO) sheet roofing mechanically fastened to roof deck.

2.02 SYSTEM PERFORMANCE

A. Design roofing system complying with specified performance:

1. Load Resistance: ASCE/SEI 7.

a. Uplift Pressures:

1) Corner Uplift Pressure: 56 psf.

2) Perimeter Uplift Pressure: 56 psf.

3) Field-of-Roof Uplift Pressure: 48psf.

2.03 PRODUCTS – GENERAL

A. Provide roof system components from one manufacturer.

2.04 MEMBRANE ACCESSORY MATERIALS

A. Bonding Adhesive: Manufacturer's standard, water based.

B. Primers, Sealers, T-Joint Covers, Lap Sealants, and Termination Reglets: As specified by roof membrane manufacturer.

C. Adhesive and sealant materials recommended by roofing system manufacturer for intended use, identical to materials utilized in approved listed roofing system, and compatible with roofing

SAJU 257466 075423 - 4

membrane.

PART 3 – EXECUTION

3.01 MOVING FACILITY ROOF EQUIPMENT

A. Temporarily move without damaging equipment, all roof mounted electrical conduits, pipes, wires, and electrical equipment to properly remove existing roof material. Lift and move to the minimal extent possible all conduits, pipes, wires, and equipment restraints, to facilitate cleaning of roof and installation of new roofing material.

B. Temporarily remove all roof mounted equipment restraints to facilitate removal of existing roof material. Contractor shall replace any equipment damaged due to work performed in this contract.

3.02 EXAMINATION

A. Examine and verify substrate suitability with roofing Installer and roofing inspector present.

1. Verify roof penetrations are complete, secured against movement.

2. Verify roof deck is adequately secured to resist wind uplift.

3. Verify roof deck is clean, dry, and in-plane ready to receive roofing system.

B. Correct unsatisfactory conditions before beginning roofing Construction work.

3.03 PREPARATION

A. Complete roof repair before beginning roofing Construction work:

1. Complete installation the same day except for the area where temporary protection is required when Construction is stopped for inclement weather or end of workday.

B. Dry out surfaces that become wet from any cause during progress of the Construction before roofing construction work is resumed. Apply materials to dry substrates, only.

C. Broom clean roof decks. Remove dust, dirt and debris.

D. Remove projections capable of damaging roofing materials.

E. Concrete Decks

1. Test concrete decks for moisture according to ASTM D4263 before installing roofing materials.

3.04 TEMPORARY PROTECTION

A. Install temporary protection consisting of a temporary seal and water cut-offs at the end of each day's work and when Construction is halted for an indefinite period or Construction is stopped when precipitation is imminent.

1. Direct water away from Construction. Provide drainage, preventing water accumulation.

2. Check daily to ensure temporary seal remains watertight. Reseal open areas and weight down.

B. Before the Construction resumes, cut off and discard portions of roof membrane in contact with temporary seal.

1. Cut minimum 6 inches (150 mm) back from sealed edges and surfaces.

C. Remove sandbags and store for reuse.

3.05 INSTALLATION – GENERAL

SAJU 257466 075423 - 5

A. Install products according to manufacturer's instructions.

1. When manufacturer's instructions deviate from specifications, submit proposed resolution for Contracting Officer's Representative consideration.

B. Comply with NRCA Manual installation requirements.

C. Comply with UL 580 for uplift resistance.

D. Do not allow membrane to contact surfaces incompatible with TPO.

3.06 ROOFING INSTALLATION

A. Begin installation at the low point of the roof and work towards the high point. Lap membrane shingled in water flow direction.

B. Position the membrane free of buckles and wrinkles.

C. Roll membrane out; inspect for defects as membrane is unrolled. Remove defective areas:

1. Lap edges and ends of sheets 2 inches (50 mm) or more as recommended by the manufacturer.

2. Heat weld laps. Apply pressure as required. Seam strength of laps as required by ASTM D4434/D4434M.

3. Check seams to ensure continuous adhesion and correct defects.

4. Finish seam edges with beveled bead of lap sealant.

5. Finish seams same day as membrane is installed.

6. Anchor membrane perimeter to roof deck or parapet wall with adhesive as to not affect historic structure.

7. Repair areas of welded seams where samples have been taken or marginal welds, bond voids, or skips occurs.

8. Repair fishmouths and wrinkles by cutting to lay flat and installing patch over cut area extending 100 mm (4 inches) beyond cut.

D. Adhered System:

1. Apply bonding adhesive in quantities required by roof membrane manufacturer.

2. Fold sheet back on itself, clean and coat the bottom side of the membrane and the top of substrate with adhesive. Do not coat the lap joint area.

3. After adhesive has set according to adhesive manufacturer's instruction, roll roofing membrane into adhesive minimizing voids and wrinkles.

4. Repeat for other half of sheet.

3.07 FIELD QUALITY CONTROL

A. Manufacturer Services:

1. Inspect initial installation, installation in progress, and completed construction work.

2. Issue supplemental installation instructions necessitated by field conditions.

3. Prepare and submit inspection reports.

4. Certify completed installation complies with manufacturer's instructions and warranty requirements.

B. Contractor shall at minimum

1. Correct any unevenness and minimize water depletion.

2. No creases, bunching, sagging, or other conditions that will slow or impeded the travel of water towards roof drains will be permitted.

SAJU 257466 075423 - 6

3. Ensure finished product is channeled so that the water flows into existing drains and does not become impoverished, no ponding of water can occur.

3.08 CLEANING

A. Remove excess adhesive before adhesive sets. Clean exposed roofing surfaces. Remove contaminants and stains.

3.09 REINSTALLING FACILITY ROOF EQUIPMENT

A. Reattach all removed items to roof with proper anchoring and or fasteners upon finalization of roofing material installation. Seal all penetrations into newly applied roof material with manufacturer approved sealing compounds.

B. Re-install all roof mounted equipment restraints using existing restraints, or new corrosion resistant materials as required. Refasten any conduits, pipes or other appurtenances that were moved and or removed by contractor required to remove and replace roofing material.

C. All facility roof equipment installation shall be done in accordance with manufacture’s recommendations and shall not void manufacturer’s warranty.

3.10 PROTECTION

A. Protect roofing system from construction operations.

B. Remove protective materials immediately before acceptance.

C. Repair damage.

END OF SECTION 075423

SAJU 257466 076500 - 1

FLEXIBLE FLASHING

SECTION 076500 – FLEXIBLE FLASHING

1.01 SUMMARY

A. Section Includes:

1. Self-adhering flexible flashings used in building assemblies.

1.02 RELATED SECTIONS

A. 072100 - THERMAL INSULATION

B. 075423 - THERMOPLASTIC POLYOLEFIN (TPO) ROOFING

1.03 COORDINATION

A. Coordinate flexible flashing layout and seams with sizes and locations of penetrations to be flashed, and joints and seams in adjacent materials.

B. Coordinate flexible flashing installation with adjoining wall materials, joints, and seams to provide leakproof and secure installation.

1.04 QUALITY ASSURANCE

A. Manufacturer: Obtain materials from single manufacturer regularly engaged in manufacturing self-adhering flexible flashing products. Obtain secondary products from a source acceptable to primary flexible flashing manufacturer.

1.05 DELIVERY, STORAGE, AND HANDLING

A. Deliver flashing materials to project site in original packaging, labeled with manufacturer’s information, product name, date of manufacture, and directions for storage.

B. Store flashing materials in original undamaged packaging or in a clean dry protected location and within the temperature range required by the manufacturer. Protect stored materials from direct sunlight.

2.01 PERFORMANCE REQUIREMENTS

A. Material Performance: Provide flashing membrane that meets performance requirements of ICC-

ES ACI-48, “Acceptance Criteria for Flexible Flashing Materials”. Test reports from accredited testing laboratories shall be made available upon request.

1. Connections to Adjacent Materials: Provide connections to prevent air leakage.

2.02 SELF-ADHERING FLEXIBLE FLASHING MEMBRANE

A. Self-Adhering Flexible Flashing Membrane: Composite, self-adhering flashing product consisting of a pliable, butyl rubber compound, bonded to a high- density polyethylene film or

SAJU 257466 076500 - 2

FLEXIBLE FLASHING

spunbonded polyolefin to produce an overall thickness of not less than 0.025 inch.

1. Manufacturers: Shall follow requirements stipulated in the specifications.

2. Water Intrusion (ASTM E331): No leakage at 75 Pa.

3. Water Vapor Permeability (ASTM E96): Less than 1 perm.

2.03 MISCELLANEOUS MATERIALS

A. General: Provide materials and types of miscellaneous items as required for complete installation and as recommended by manufacturer.

B. Sealant Tape: Pressure-sensitive.

C. Primers: As required by flashing manufacturer to prepare substrates for flexible flashing adhesion.

PART 3 - EXECUTION

3.01 EXAMINATION

A. Examine substrates, areas, and conditions, with Installer present, for compliance with requirements for installation tolerances, substrate, and other conditions affecting performance of the Construction.

1. Verify compliance with requirements for installation tolerances of substrates.

2. Verify that substrate is sound, dry, smooth, clean, sloped for drainage, and securely anchored.

B. Proceed with installation only after unsatisfactory conditions have been corrected.

3.02 INSTALLATION, GENERAL

A. General: Install wall flashing to intercept and exclude penetrating moisture.

B. Prime substrates as recommended by flashing manufacturer.

C. Lap seams and junctures with other materials at least 4 inches.

1. Exception: Lap seams need not exceed flashing flange depth of other construction.

D. After flashing has been applied, roll surfaces to ensure complete adhesion to substrates.

3.03 CLEANING AND PROTECTION

A. Protect flashings from damage during storage, installation, and remainder of the construction period.

B. Replace damaged flashings.

END OF SECTION 076500

SAN JUAN

NATIONAL HISTORIC SITE

REHABILITA'TE RESTROOMS

GUARDHOUSE AT SAN ANTONIO BASTION

:r: '°8

INDEX

SHT. ! -TITLE SHEET a LOCATION MAP

SHT. 2- FLOOR PLANS a EXTERIOR ELEVATIONS

SHT. 3- BUILDING SECTIONS, PLUMBING ISOMETRICS, DETAILS

SHT. 4- WINDOW a DOOR DETAILS

REDUCED SIZE REPRODUCTION

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