W912PL-10-B-0009Vol2.pdf

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US ARMY CORPS OF ENGINEERS, LOS ANGELES DISTRICT

Tres Rios Environmental Restoration Phase II, In-Plant Secondary Effluent Pump Station Project No.: W912PL-10-B-0009

Ready To Advertise (RTA) 06612-1 February 2010 Submittal

SECTION 06612

FIBERGLASS REINFORCED PLASTIC

WEIR PLATES,

PART 1 - GENERAL

1.1 DESCRIPTION

A. Scope:

1. Provide all labor, materials, equipment and incidentals as shown on the

Drawings, specified and required to furnish and install fiberglass-reinforced plastic weir plates complete and operational with all anchor bolts, fasteners and accessories.

2. All equipment furnished under this Section shall be the product of a single manufacturer.

3. Comply with the requirements of Section 03300, Cast-In-Place Concrete and Section 05501, Miscellaneous Metal Fabrications.

1.2 QUALITY ASSURANCE

A. Reference Standards: Comply with applicable provisions and recommendations of the following, except as otherwise shown or specified.

1. ASTM D 256, Test Method for Determining the Izod Pendulum Impact

Resistance of Notched Specimens of Plastics.

2. ASTM D 570, Test Method for Water Absorption of Plastics.

3. ASTM D 638, Test Method for Tensile Properties of Plastics.

4. ASTM D 696, Test Method for Coefficient of Linear Thermal Expansion of

Plastics between -30°C and 30°C.

5. ASTM D 790, Test Methods for Flexural Properties of Unreinforced and

Reinforced Plastics and Electrical Insulating Materials.

6. ASTM D 2583, Test Method for Indentation Hardness of Rigid Plastics by

Means of a Barcol Impressor.

7. AWWA F102, Matched-Die-Molded, Fiberglass-Reinforced Plastic Weir Plates, Scum Baffles, and Mounting Brackets.

8. Standards of the Reinforced Plastic/Composites Institute.

9. National Bureau of Standards, PS 15-69.

B. Manufacturers Qualifications:

1. Manufacturer shall maintain a continuous quality control program in the manufacture of items furnished under this Section.

2. Provide letter or certificate describing quality control program.

3. Manufacturers shall have been a minimum of five years experience producing substantially similar equipment and shall be able to show evidence of at least five installations in satisfactory operation.

Ready To Advertise (RTA) 06612-2 February 2010

C. Shop Tests:

1. As a minimum, supply certified test reports for each fiberglass-reinforced plastic fabrication in accordance with the following methods:

a. ASTM D 256, Impact, Notched Izod.

b. ASTM D 570, Water Absorption.

c. ASTM D 638, Tensile Strength.

d. ASTM D 696, Coefficient of Linear Thermal Expansion.

e. ASTM D 790, Flexural Strength.

f. ASTM D 790, Flexural Modulus.

g. ASTM D 2583, Barcol Hardness.

2. Obtain test specimens and conduct test program as specified in AWWA F102.

3. Each test shall be witnessed by a Registered Professional Engineer, who may or may not be an employee of the manufacturer. The Registered Professional Engineer shall sign and seal all test reports. The state of the Engineer's registration, their number and their name on the seal shall be clearly legible.

4. Do not ship items until CONTRACTING OFFICER has approved the test reports.

1.3 SUBMITTALS

A. Provide submittals in conformance with the requirements of Section 01330, Submittal Procedures. Refer to the Submittal Description Schedule included in Section 01330, Submittal Procedures, for details of the submittal data that shall be included for the equipment provided under this specification.

B. Shop Drawings: Submit for approval the following:

1. Comply with the requirements of Section 01330, Submittal Procedures.

2. Manufacturer's literature, illustrations, specifications and engineering data including: materials of construction, dimensions, weight and performance data.

3. Drawings showing general arrangement of the equipment and methods of installation, with detailed mounting information. Indicate provisions for thermal expansion and contraction and the capability to sustain all external and internal loads that may be applied during construction and operation.

4. Samples of materials of each item furnished, approximately 4-inches by 6-inches.

C. Affidavit of Compliance: Submit Affidavit of Compliance in accordance with

Section 1.5 of AWWA F102.

D. Documentation: Submit evidence that manufacturer has fabricated, supplied, installed and placed in satisfactory service, equipment substantially similar to that specified herein. Criteria shall be a minimum of five installations in satisfactory service for not less than five years.

Ready To Advertise (RTA) 06612-3 February 2010

E. Operations and Maintenance Manuals:

1. Submit complete installation, operation and maintenance manuals including test reports, maintenance data and schedules, description of operation, and spare parts information.

2. Provide Operation and Maintenance Data in conformance with the requirements of Section 01781, Operation and Maintenance Data. Refer to the Data Package Schedule included in Section 01781, Operation and Maintenance Data, for details of the operation and maintenance data that shall be included for the equipment provided under this specification.

1.4 PRODUCT DELIVERY, STORAGE AND HANDLING

A. Delivery of Materials:

1. Comply with the requirements of Section 01651, Transportation and Handling of Materials and Equipment.

2. Deliver materials to the site to ensure uninterrupted progress of the Work.

Deliver anchor bolts and anchorage devices, which are to be embedded in cast-in-place concrete, in ample time to not delay that Work.

3. Package troughs to avoid damage during handling and shipment.

4. Tightly band weir and baffle plates or suitably package to prevent damage during handling and shipping. Place fiberboard or plastic corners at edges of fabrications to prevent damage from bands. Place support brackets in wooden boxes or fiberboard cartons of sufficient strength to prevent damage during handling and shipping.

5. Inspect all items immediately upon delivery to site. Report damaged equipment to CONTRACTING OFFICER who will determine action to be taken.

B. Storage and Handling of Materials:

1. Store materials on a flat level place and in a manner to permit easy access for inspection and identification. Keep weir plates off the ground using pallets, platforms, or other supports. Support plates continuously to prevent warp age or distortion. If units are stored more than one unit high, succeeding unit shall be stored level and uniformly supported by blocks and spacers.

2. Comply with the requirements of Section 01661, Storage of Materials and Equipment.

PART 2 - PRODUCTS

2.1 SERVICE CONDITIONS

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A. General:

1. Construct weir plates of fiberglass-reinforced polyester resin laminates to the dimensions and shapes shown.

2. Weir Plates shall be specifically designed, constructed and installed to comply with the service conditions specified herein.

3. Process Water: Chlorinated Effluent

B. Design Conditions for Weir Plates:

1. Minimum Wall Thickness (inches): 0.25 inches.

2. Maximum Ambient Temperature: 120°F.

3. Minimum Ambient Temperature: 20°F.

4. Linear ft Per Weir: (see drawings)

5. Type: II

6. Location: (see drawings).

C. Deflections:

1. Design troughs to meet the deflection limits specified below:

a. Vertical Deflection: Maximum vertical deflection under full buoyant or gravity load measured at the mid-point between supports shall not exceed 3/16-inch or L/1000, whichever is less, where L is the unsupported length in inches.

b. Side Wall Deflection: Maximum trough side wall horizontal deflection under full lateral load shall not exceed 3/16-inch or D/100, where D is the trough depth, in inches.

c. Maximum bottom deflection under full buoyant or gravity load shall not exceed 3/16-inch or W/100, whichever is less, where W is the trough width in inches.

D. Torsional Stability: Design trough systems to resist torsional oscillations induced by the flow of water over the trough edges. Maximum allowable torsional oscillation sideways or torsionally during normal operating conditions shall be 3/8-inch.

Provide torsional stabilization by methods described in Section 3.2.3.3 of AWWA F101 when torsional oscillation exceeds the maximum allowable limit.

2.2 DETAILS OF CONSTRUCTION

A. Classification:

1. Weir Plates shall be Type II fabrications as defined in Section 4.2 of AWWA

F102.

B. Materials of Construction:

1. Weir Plates:

a. Reinforcing Materials:

1) Fibrous Glass: Reinforcement shall be Type C glass surfacing mat shall be 0.010 to 0.020-inch thick with silane finish and a styrene soluble binder on both sides.

Ready To Advertise (RTA) 06612-5 February 2010

2) Non-fibrous Glass: Non fibrous glass reinforcement shall be synthetic surfacing mat and shall be used for chemical environments when type C glass is not compatible with the intended chemical environment.

b. Resin:

1) Type II Fabrications: The resin for type II fabrications shall be a commercial-grade, chemical-resistant polyester thermosetting resin that has been evaluated in a laminate and is acceptable for the service conditions.

c. Filler:

1) Type II Fabrications: Filler for Type II fabrications, if used, shall be clay or other filler that has been evaluated in a laminate and determined to be suitable for the service intended.

d. Additives: Use thixotropic agents, mold release agents, promoters catalysts and low-shrink thermoplastic agents required for molding compounds used in matched-die molding. Manufacturer shall determine the amount of additives used.

e. Pigments: Pigments shall be light stable, not soluble in water and compatible with the resin. Typical color shall be thalo green, blue green, white or as required by the CONTRACTING OFFICER.

f. Ultraviolet Stabilizers: Ultraviolet (UV) stabilizers, whether in the for of inorganic pigmentation, UV absorbers, or energy transfer agents are required in all laminates exposed to UV light. The laminate shall exhibit no more than 2 percent deterioration of flexural and tensile properties after 1,000 hrs of exposure in a type E, single open flame, sunshine carbon-arc lamp apparatus, as detailed in ASTM G23.

C. Manufacturing Procedures

1. General: Produce fiberglass-reinforced plastic fabrications by the matched-die molding process to ensure smooth resin-rich surfaces and edges, dimensional accuracy and consistency. Mold weir plate notches within dies for increased corrosion and weather resistance. Sand and seal all cut edges with non air-inhibited resin to ensure edges are completely sealed and to prevent water or chemical penetration of laminate. Weir plates produced from fabricated plate stock with cut edges and notches will not be accepted. Minimum thickness of weir plates shall be 1/4-inch.

2. Detailed Design:

a. Dimensions:

1) Weir Plate Openings: Weir plates shall conform to dimensions as shown on the Drawings.

2) Flat Crested Weir Edge: Weir plates shall be straight and vary not more than ±1/32-inch in 12 feet. Draft angle across 1/4-inch thick dimension shall not exceed seven degrees.

3) All weir plates shall be standard length not to exceed 12 feet, except for closure sections.

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4) Provide a 1/8-inch continuous neoprene gasket strip between the wall and the weir.

b. Provisions for Attachment:

1) Weir Plate Anchor Bolt Holes: Holes for wall mounting may be round or square not less than 2-1/2-inches. Variation in center-to-center dimensions between holes shall not exceed ±1/8-inch. The centerline distance between anchor bolts shall not exceed 18-inches.

2) Weir-Plate Slots: Make oblong slots for mounting to troughs 1/16-inch wider than bolts and provide for minimum adjustment of ±1/2-inch, after allowance for diameter of attachment bolt, or as shown on the Drawings.

3) Secure ends of weir plates with butt plates arranged for horizontal expansion.

4) Countersunk Holes: Countersink mounting holes in scum baffles so that flat head bolts will be flush or below surface.

5) Thermal Expansion/Contraction: Design fabrications to accommodate expansion and contraction over a temperature range of 20°F to 120°F without exceeding the following:

a) Maximum Vertical Deflection: L/1000, where L is unsupported fabrication length in inches.

b) Maximum Horizontal Deflection: D/100, where D is fabrication depth in inches.

c) Maximum Stress: 1500 psi.

6) Attachment Hardware: Furnish all nuts, bolts, washers, anchor bolts and other miscellaneous fasteners. All attachment hardware shall be Type 316 stainless steel, with the exception of the weir plate washers which shall be fiberglass.

3. Finish and Appearance:

a. Flat surfaces and edges of all weir plates, baffles and mounting brackets shall be free from porosity, voids and dry glass. Make surfaces and edges resin-rich to provide maximum resistance to corrosion and weathering.

b. Fabrications containing porosity, voids, dry glass, delamination or defects not allowed in Table 1 of AWWA F102 may be rejected. Repair of defects to meet maximum allowable level of deviation specified in Table 1 of AWWA F102 will be permitted provided repair work is performed in a neat manner, is blended smooth and does not affect the serviceability of the fabrication. All such remedial work shall be subject to approval of

CONTRACTING OFFICER.

4. Minimum Physical Requirements: All laminates used in weir plate, and mounting bracket construction shall meet the minimum physical properties listed below:

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Value of Property Test Method Property

Tensile Strength ASTM D 638 7.5 x 103 psi Flexural Strength ASTM D 790 16.0 x 103 psi Flexural Modulus ASTM D 790 0.8 x 106 psi Barcol Hardness ASTM D 2583 35 Izod Notched Impact Strength ASTM D 256 10 ft-lb/in.

Water Absorption (24 hr) ASTM D 570 0.2 percent maximum

2.3 IDENTIFICATION

A. Provide each weir plate, scum baffles and mounting bracket furnished under this Section with product identification as described in Section 6.1.1 of AWWA F102.

2.4 ACCESSORIES

A. Provide all anchor bolts, supports, stabilizing bars, angles or rods, fasteners and similar accessories required for installation of the equipment furnished. All accessories shall be Type 316 stainless steel.

2.5 MANUFACTURER

A. Provide fiberglass-reinforced plastic troughs, weir plates, scum baffles and mounting brackets as manufactured by one of the following:

1. Plasti-Fab, Inc.

2. Warminster Fiberglass Company.

3. Or equal.

PART 3 - EXECUTION

3.1 INSTALLATION

A. Install all Work in complete conformance with manufacturer's instructions and recommendations and the approved Shop Drawings.

B. Do not install damaged items until repairs are made in accordance with manufacturers written instructions and approval by CONTRACTING OFFICER.

Only minor repair work will be permitted in the field. Return all other damaged items requiring remedial work to the factory for repair or replacement.

3.2 STARTUP

A. Verify that all Work furnished and installed is compatible with design function.

B. Make all adjustments required to place all Work in proper operating condition.

Ready To Advertise (RTA) 06612-8 February 2010

+ + END OF SECTION + +

Ready To Advertise (RTA) 07220-1 February 2010

SECTION 07220

ROOF INSULATION

1. Provide all labor, materials, tools, equipment and incidentals as shown on the

Drawings, specified and required to furnish and install all roof insulation.

2. Extent of each type of roof insulation is shown on the Drawings.

3. Types of products required include the following:

a. Composite system of lightweight vermiculite insulating concrete with integral expanded polystyrene, rigid foam insulation board (over structural topping slab).

b. Miscellaneous materials and accessories.

B. Coordination:

1. Review installation procedures under other Sections and coordinate the installation of items that must be installed with the roof insulation.

2. All framing for openings, edge angles, nailers, curbs and other items shall be in place before start of roof insulation Work.

3. Coordinate finish of concrete topping roof deck for acceptance by roof insulation manufacturer.

4. Field-verify location of all penetrations, drainage slopes and deck deflections.

5. Refer to and comply with the requirements of Section 07501, Single-Ply

Membrane Roofing System.

A. Installer Qualifications:

1. Roof insulation Work shall be performed by the installer of the associated roofing for undivided responsibility.

2. Submit proof of acceptability of installer by manufacturer to CONTRACTING

OFFICER.

B. Source Quality Control:

1. Obtain extruded polyiscoyanurate rigid board-type insulation from manufacturers who manufacture specified insulation using a blowing agent containing no chlorine-based compounds.

2. Engage a single manufacturer for roofing insulation who shall provide the services of a technical representative to assist CONTRACTOR and

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CONTRACTING OFFICER by providing technical opinions on the adequacy of materials and methods of installation based on Shop Drawings approved by

CONTRACTING OFFICER.

3. Provide such services during the time of delivery, storage, handling and installation of all roofing insulation.

4. The thicknesses shown on the Drawings are based on the thermal conductivity, k-value at 75°F specified for each material. Thicknesses of roof insulation materials submitted by CONTRACTOR as “equal” to specified materials shall have their thicknesses adjusted to provide the same thermal resistance as materials specified.

C. Erection Tolerances: Provide the following for composite roof insulation:

1. In addition to filling the space between all metal deck flutes, provide minimum of 1/8-inch of insulating concrete over the top of the metal deck.

2. Finished system shall not pond water and shall provide a uniformly sloped surface to low point roof drains. If at any time up to the time of final acceptance the roof shows signs of ponding water, the composite roof insulation system shall be repaired to provide uniform slope to drain at no additional cost to

GOVERNMENT.

D. Requirements of Regulatory Agencies: Comply with fire-resistance ratings as required by governing authorities and the Phoenix Building Code, and comply with the following roof insulation requirements:

1. Underwriters Laboratories requirements for roof deck constructions which are rated "UL Class A".

2. Factory Mutual requirements for "Class 1-90" rated construction, for wind resistance.

E. Reference Standards: Comply with applicable provisions and recommendations of

1. ASTM C 150, Specification for Portland Cement.

2. ASTM C 177, Test Method for Steady-State Heat Flux Measurement and

Thermal Transmission Properties by Means of the Guarded-Hot-Plate Apparatus.

3. ASTM C 203, Test Methods for Breaking Load and Flexural Properties of Block-Type Thermal Insulation.

4. ASTM C 272, Test Method for Water Absorption of Core Materials for Structural Sandwich Construction.

5. ASTM C 303, Test Method for Density of Preformed Block-Type Thermal Insulation.

6. ASTM C 495, Test Method for Compressive Strength of Lightweight Insulating Concrete.

7. ASTM C 518, Test Method for Steady-State Heat Flux Measurement and Thermal Transmission Properties by Means of Heat Flow Meter Apparatus.

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8. ASTM C 550, Test Method for Measuring Trueness and Squareness of Rigid Block Thermal Insulation.

9. ASTM C 1289, Specification for Faced Rigid Cellular Polyisocyanurate Thermal Insulation Board.

10. ASTM D 696, Test Method for Coefficient of Linear Thermal Expansion of Plastics between -30 Degrees C and 30 Degrees C.

11. ASTM D 1621, Test Method for Compressive Properties of Rigid Cellular Plastics.

12. ASTM D 1622, Test Method for Apparent Density of Rigid Cellular Plastics.

13. ASTM D 1623, Test Method for Tensile and Tensile Adhesion Properties of

Rigid Cellular Plastics.

14. ASTM E 84, Test Method for Surface Burning Characteristics of Building

Materials.

15. ASTM E 96, Test Methods for Water Vapor Transmission of Materials.

16. Factory Mutual Publication, Loss Prevention Data for Roofing Contractors, 1-29, Above-Deck Roof Components.

17. Factory Mutual Publication, Approval Guide.

18. Underwriters Laboratories, Building Materials Directory.

19. City of Phoenix Building Code.

20. City of Phoenix Energy Conservation Code.

B. Samples: Submit for approval the following:

1. Each fastener to be used in the Work.

2. 12-inch by 12-inch sample of specified extruded and expanded rigid board-type insulation and composite insulation system. Comply with the requirements of Section 01330, Submittal Procedures.

C. Shop Drawings: Submit for approval the following:

1. Manufacturer's specifications and installation instructions for each type of roof insulation required. Include data substantiating that the materials comply with specified requirements. Comply with the requirements of Section 01330, Submittal Procedures.

2. Weights of all equipment to be used on roof.

3. Field verified locations of all roof penetrations, drain locations, and deck deflections.

4. Complete layout of all roof insulation showing sizes, placement, number of courses and methods of fastening. Include statement that fastening method, Ready To Advertise (RTA) 07220-4 February 2010 location and density of fasteners have been approved by roof membrane manufacturer and complies with wind uplift requirements specified.

5. All required roof insulation details approved by the roof insulation manufacturer and the manufacturer of the respective roofing systems.

6. Laboratory test results for thermal resistance values based on ASTM C 177 or ASTM C 518 for actual composite roof insulation system shown on the Drawings and specified.

D. Certifications: Submit Job Conditions Report, prepared by composite roof insulation installer, as specified, and in addition, include a notarized statement from the full-time on-site technical representative and installer that the composite roof insulation system was installed according to manufacturer's written recommendations as shown on approved Shop Drawings.

1. Do not deliver insulation materials to the site before time of installation.

2. Deliver materials in manufacturer's original, undamaged packages or acceptable bulk containers. Comply with the requirements of Section 01651, Transportation and Handling of Materials and Equipment.

1. Do not allow insulation materials to become wet or soiled.

2. Protect plastic insulation from exposure to sunlight.

3. Protect plastic insulation against ignition.

4. Store packaged materials to protect them from the weather and physical damage.

5. Comply with manufacturer's recommendations for handling, storage and protection.

6. Do not use cement which shows indication of moisture damage, caking or other signs of deterioration.

7. Comply with the requirements of Section 01661, Storage of Materials and

1.5 JOB CONDITIONS

A. Pre-Roofing Meeting: Provide both a representative of the composite roof insulation system manufacturer and the foreman of the installer who will actually work on this project at the Pre-Roofing Meeting specified in Section 07501 Single Ply Membrane Roofing.

B. Environmental Requirements:

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1. Do not install roof insulation when weather conditions are such that the deck is not completely dry, or where there is no assurance that the roof insulation can be completely protected from the weather by the end of the day’s work.

2. Hot water is not available at the site and shall be supplied by composite roof insulation installer as required by installation conditions.

3. Potable water is not available at the site and shall be provided by composite roof insulation installer.

C. Protection:

1. Do not overload the building structure with the weight of stored materials or use of equipment.

2. Install temporary water cut-offs at the end of each day's work to protect the roof insulation. Remove the temporary water cut-offs upon resumption of the Work.

D. Sequencing:

1. Proceed with and complete the Work only when materials, equipment and tradesmen required for the installation of the roofing membrane over the roof insulation are at the site and are ready to follow with this Work immediately (same day) after the roof insulation Work.

2. Proceed with and complete the Work only when materials, equipment and tradesmen required for the installation of the roofing membrane over the insulation are at the site; are installing the vapor barrier, and are ready to follow with this Work immediately (same day) behind the roof insulation Work.

3. Do not install any more rigid board-type roof insulation each day than can be covered with complete roofing system by the end of that working day.

1.6 GUARANTEE

A. The manufacturer of the roof insulation system shall warrant to USING AGENCY that the roof insulation will remain in a re-roofable condition, for a period of ten years, should the roof membrane require replacement; that the roof insulation will remain in place even if the roof membrane sustains wind damage; and that the roof insulation's actual resistance to heat flow will be at least 80 percent of the installed value, provided the roof remains leak free.

1.7 SUBSTITUTIONS

A. Manufacturer of the primary roofing membrane systems shall be manufacturers who find the generic types of insulation specified herein as acceptable and bondable if installed according to the roofing manufacturer's standards for complete product and performance responsibility.

B. The thickness of the roof insulation system, the maximum step between layers of expanded polystyrene rigid board insulation, and the minimum slope-to-drain

Ready To Advertise (RTA) 07220-6 February 2010 requirements shall not vary from what is shown on the Drawings, specified and approved.

2.1 MATERIALS

A. Extruded Polyisocyanurate Rigid Board Roof Insulation:

1. Rigid, rectangular boards of extruded closed-cell polyisocyanurate complying with ASTM C 1289, Type II, with low water vapor permeability and laminated to heavy black (non-asphaltic) fiber-reinforced felt facers with one side of board containing perforated facers and the other side containing non-perforated facers.

2. Provide a blowing agent with zero ozone depletion potential, such as pentane.

3. Physical Properties: Provide the following:

a. Minimum Compressive Strength, (at ten percent deformation), ASTM D 1621: 25 psi minimum.

b. Flame Spread, ASTM E 108: Class A.

c. Smoke Development, ASTM E 84: 120 maximum.

d. Vapor Transmission, ASTM E 96: 0.8 perms/inch.

e. Thermal Resistance, ASTM C 518: 7/inch.

f. Maximum Water Absorption, ASTM C 209: 0.10 percent by volume.

4. Size: 48-inches by 96 inches by 2-inch thick.

5. Number of Layers: As required by thickness of roof insulation shown on the

Drawings.

6. Product and Manufacturer: Provide one of the following:

a. ACUltra (Pentane Blown) Hydrocarbon ACFoam - II by Atlas Roofing Corporation.

b. Or equal.

B. Miscellaneous Materials:

1. Adhesive for Bonding Insulation: The type recommended by the roof insulation manufacturer, and complying with fire-resistance requirements.

2. Mechanical Anchors: The type recommended by the roof insulation manufacturer for the type of deck used, and complying with fire and insurance rating requirements.

3. Mastic Sealer: Type recommended by roof insulation manufacturer for bonding edge joints between units and filling voids.

3.1 INSPECTION

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A. Examine the substrate and the conditions under which the roof insulation Work is to be performed, and notify CONTRACTING OFFICER, in writing, of any unsatisfactory conditions. Do not proceed with the roof insulation Work until unsatisfactory conditions have been corrected in a manner acceptable to

CONTRACTING OFFICER.

B. Commencement of the Work shall be understood by CONTRACTING OFFICER to mean that all conditions are acceptable to both the manufacturer’s technical representative and CONTRACTOR to provide acceptable Work under this Contract.

3.2 PREPARATION

A. Verify that vapor barrier has been installed on decks, with all joints and penetrations in the vapor barrier sealed using techniques recommended by the vapor barrier manufacturer to retain full perm rating of the vapor barrier. Refer to Section 07501 Single Ply Membrane Roofing.

3.3 INSTALLATION

A. General:

1. Comply with manufacturer's instructions for the particular conditions of installation in each case. If printed instructions are not available or do not apply to site conditions, consult manufacturer's technical representative for specific recommendations before proceeding. Incorporate recommendations into the Work only as approved by CONTRACTING OFFICER.

2. Coordinate heights of wood blocking to provide flush transition between roof insulation and perimeter wood blocking.

3. Extend roof insulation full thickness as shown on the Drawings over entire surface to be insulated.

4. Cut and fit tightly around obstructions, and fill voids with roof insulation.

B. Rigid Roof Insulation System:

.1. Tightly butt all rigid boards together and install in a manner that provides no gaps with full contact for complete roofing membrane system adherence.

2. Install rigid boards in a stair-stepped configuration with maximum step down of 1-inch between boards, over entire plane of roof surface.

3. Provide high and low point elevations as shown on the Drawings.

3.4 PERFORMANCE

A. Roof insulation Work shall withstand the uplift forces of wind, as defined by the Roofing Guarantee. Refer to Section 07501, Single-Ply Membrane Roofing System..

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B. Failures of the roof insulation Work in bond or anchorage to the substrate, or between courses of roof insulation, or within the roof insulation, will be considered failures of materials or workmanship under the Roofing Guarantee.

3.5 FIELD QUALITY CONTROL

A. Test the substrate for moisture content, by suitable means, wherever there is a possibility that exposed substrate has acquired moisture in excess of the maximum content for optimum application of the insulation, as determined by the manufacturer.

3.6 PROTECTION

A. Do not permit construction traffic over completed insulation Work, except as required for roofing.

B. Protect roof insulation Work from exposure to moisture, damage and deterioration, primarily by prompt installation of roofing Work to be placed over the roof insulation.

C. Do not use completed roof insulation as a temporary working surface without protection approved by roof insulation installer, or as a temporary roofing system.

3.7 INSPECTION AND ACCEPTANCE

A. Roof insulation which has become wet, damaged, or deteriorated, as determined by CONTRACTING OFFICER, shall be promptly removed from the site, even if already installed.

B. Correct all improperly sloped, chipped, cracked, improperly set, ridged or rough areas in the roof insulation to provide substrate acceptable to roofing manufacturer and CONTRACTING OFFICER.

C. Final acceptance will be contingent upon the receipt by CONTRACTING OFFICER of CONTRACTOR'S certification stating conformance of the Work to the requirements of this Section, which includes all information requested by the Specifications.

Ready To Advertise (RTA) 07501-1 February 2010

SECTION 07501

SINGLE-PLY MEMBRANE ROOFING SYSTEM

Drawings, specified and required to furnish and install all single-ply roofing system Work with manufacturer's standard ten-year warranty and Contractor's two-year roofing guarantee.

2. Extent of single-ply roofing system is shown on the Drawings or specified.

3. Types of products required include the following:

a. A complete system of loose-laid elastomeric roofing laminated to a non-woven polyester fleece backing capable of direct installation on composite insulation without the use of an intermediate protection board and elasto-meric flashing for a complete water- and weathertight permanent installation complying with all governing codes and the requirements of FM Approval Rating Class 1-90 construction for composite cementitious wet fill insulation substrates.

b. Miscellaneous materials such as puncture protection, ballast stone, heavy-duty roof walkway pavers and pedestal system, specialty elastomeric shop fabrications, fasteners and incidentals.

c. Also included in the Work are one-way breather vents, other miscellaneous system component materials necessary to complete the Work.

d. Field testing of in-place single-ply roofing system as specified.

1. Review requirements and procedures under other Sections and coordinate with

Work that is related to this Section.

2. Refer to and comply with the requirements of Section 06100, Rough Carpentry and Section 07220, Roof Insulation.

1. Engage a single installer skilled, trained and with successful experience in the installation of single-ply roofing systems, who is a recognized roofing installer with specific skill and successful experience in the type of roofing specified, and equipped to perform workmanship in accordance with the Contract Documents, manufacturer's written instructions for guaranteed construction and the approved Shop Drawings and who agrees to employ only tradesmen with specific skill

Ready To Advertise (RTA) 07501-2 February 2010 and successful experience in this type of Work. Submit names and qualifications to CONTRACTING OFFICER along with the following information on a minimum of three successful projects:

a. Names and telephone numbers of owners, architects or engineers responsible for projects.

b. Approximate contract cost of the single-ply roofing system.

c. Amount of area installed.

2. The roofing installer shall be an approved roofing applicator who has qualified for appointment and has been trained by the manufacturer.

3. Submit proof of acceptability of installer by manufacturer to CONTRACTING

OFFICER.

B. Performance Criteria: Provide the following:

1. Except as otherwise shown on the Drawings, comply with the written specifications and recommendations of the roofing manufacturer. In addition, comply with Factory Mutual Publication 1-28 Technical Advisory Bulletin for Class 1-90 wind up-lift resistance. Select appropriate entries in Table 3 of 1-28 for submission to CONTRACTING OFFICER for approval.

2. Single-ply roofing system, base and other flashings shall be permanently weather- and watertight, and not deteriorated in excess of manufacturer's pub-lished limitations.

3. Provide stone ballast weight distributions over entire roof surfaces in all areas not shown on the Drawings to receive heavy-duty roof walkway pavers and pedestal system. Comply with FM wind uplift criteria, ballast and paver locations, weights of materials required in fields, perimeters and corners of roof areas, and approval recommendations contained in 1-29, Paragraph 2.7, Single- Ply Membrane Covers: General.

4. Specified manufacturer’s installation and product specifications and details, unless more stringent criteria shown on the Drawings or specified, is acceptable to the single-ply roofing system manufacturer specified.

C. Requirements of Regulatory Agencies:

1. Comply with applicable insurance rating bureau requirements as required by the City of Phoenix Building Code, unless more restrictive requirements are specified.

2. Provide materials and roofing systems which have been tested, listed and labeled by Underwriters Laboratories' Incorporated for Class "A" rating, and bear the UL label on each package or are shipped to the site with a UL Certificate of Compliance.

3. Provide roofing materials which have been tested, listed and FM labeled for Class "A" maximum flame spread rating.

D. Reference Standards: Comply with applicable provisions and recommendations of the following, except otherwise shown or specified.

1. ASTM D 312, Specification for Asphalt Used in Roofing.

Ready To Advertise (RTA) 07501-3 February 2010

2. ASTM D 395, Test Method for Rubber Property - Compression Set.

3. ASTM D 412, Test Methods for Vulcanized Rubber and Thermoplastic Rubbers and Thermoplastic Elastomers - Tension.

4. ASTM D 471, Test Method for Rubber Property - Effect of Liquid.

5. ASTM D 542, Test Methods for Index of Refraction of Transparent Organic

Plastics.

6. ASTM D 573, Test Method for Rubber - Deterioration in an Air Oven.

7. ASTM D 624, Test Method for Tear Strength of Conventional Vulcanized

Rubber and Thermoplastic Elastomers.

8. ASTM D 746, Test Method for Brittleness Temperature of Plastics and

Elastomers by Impact.

9. ASTM D 1149, Test Method for Rubber Deterioration - Surface Ozone

Cracking in a Chamber.

10. ASTM D 2240, Test Method for Rubber Property - Durometer Hardness.

11. FM, 1-28, Wind Loads to Roof Systems and Roof Deck Securement.

12. FM, 1-29, Above-Deck Roof Components.

13. FM, 1-28R and 1-29R, Roof Systems.

14. FM, 1-49, Perimeter Flashing.

15. City of Phoenix Building Code

E. Source Quality Control:

1. Obtain elastic sheets from only one manufacturer, who publishes complete information on the specified roofing system, and offers to guarantee the completed roofing installation, as required.

2. Take field dimensions prior to preparation of Shop Drawings.

F. Allowable Installation Tolerances:

1. Do not install Work until substrate preparation and tolerances have been approved by CONTRACTING OFFICER, single-ply roofing system manufacturer's Technical Representative and the single-ply roofing system installer and CONTRACTOR have verified to CONTRACTING OFFICER that substrates are within tolerances specified and acceptable to produce approved Work. Work advanced for any reason without such verification shall be stopped, removed and replaced with new material after substrate is approved, at no additional cost to GOVERNMENT.

2. Substrate Tolerances:

a. Out-of-Plane: 1/8-inch maximum in 10 foot-0 inches and 1/16-inch maxi-mum in any 12-inches measured along the plane.

b. Maximum Offset in Plane Alignment: 1/16-inch.

c. Variation From Slope: 1/8-inch maximum in 10 foot - 0 inches.

G. Pre-Installation Meeting:

1. Prior to the installation of the single-ply roofing system and associated Work, CONTRACTOR to schedule and meet at the job site with; the roofing installer, the installer of each component of associated Work, the installers of deck and

Ready To Advertise (RTA) 07501-4 February 2010 composite insulating substrate construction to receive roofing Work, the installers of other work in and around roofing which must follow the roofing Work, including mechanical work, CONTRACTING OFFICER and other representatives directly concerned with performance of the Work. Review foreseeable methods and procedures related to the single-ply roofing system Work, including but not necessarily limited to, the following:

a. Review project requirements, including Contract Documents.

b. Review required submittals, both completed and yet to be completed.

c. Review status of substrate including drying, structural loading limitations and similar considerations.

d. Review availability of materials, tradesmen, equipment and facilities required to make progress and avoid delays.

e. Review required inspection, testing, certifying and accounting procedures.

f. Review weather and forecasted weather conditions, and procedures for coping with unfavorable conditions.

g. Review regulations concerning code compliance, FM compliance, environmental protection, health, safety, fire and similar considerations.

h. Review procedures required for protection of roofing during the remainder of the construction period.

2. Reconvene the meeting at the earliest opportunity if additional information must be developed in order to conclude the subjects under consideration.

1. 12-inch by 12-inch sheet of each item specified and 6-inch long pieces of each required system component to be used in the Work. Comply with the requirements of Section 01330, Submittal Procedures.

2. Each fastener type required marked as to type of material and with their intended purpose in the Work.

3. All components of the single-ply roofing system, flashing and ballast systems labeled with their intended use in the Work. Compliance with all other requirements is exclusive responsibility of CONTRACTOR.

1. Copies of drawings completely dimensioned using field-verified dimensions on plans of each roof area and the accurate location of all roof penetrations roof mounted equipment, curbs, skylights and other features present on the roof areas specified by CONTRACTING OFFICER to be included under the Work of this Section and all details of construction and erection, including all flashing details

Ready To Advertise (RTA) 07501-5 February 2010 coordinated with Section 07620, Flashing and Trim, Section 07220, Roof Insulation, and FM publications specified, and the location of all heavy-duty walkway protection paver patterns required by the manufacturer for warranted construction and as shown on the Drawings. Submit all details requiring consideration and the performance of the details shall be approved by the single-ply roofing system manufacturer for guaranteed construction as specified.

2. Manufacturer's specifications and product manuals indicating product informa-tion correlated to specified requirements, manufacturer's installation instruc-tions, maintenance instructions and other data as may be required by ENGI-

NEER.

3. Copies of the FM Loss Prevention Data publications and appropriate Technical Advisory Bulletins published by Factory Mutual indicating compliance with wind uplift pressure-resistant performance criteria, ballast and paver require-ments and the requirements for FM Approved 1-90 system construction and perimeter securement conditions.

D. CONTRACTOR'S Review: Accompanying approval request, submit to

CONTRACTING OFFICER a written statement signed by CONTRACTOR, stating that the Contract Documents for roofing and flashing have been reviewed with an agent of the roofing material manufacturer and that they are in agreement that the selected systems are proper, compatible and that the details shown on the Drawings are not in conflict with the roofing manufacturer's roofing and flashing details. Show by copy of transmittal form that a copy of the statement has been transmitted to the manufacturer.

E. Statement of Application: Upon completion of the Work, submit a statement to

CONTRACTING OFFICER signed by CONTRACTOR stating that the Work complies with the requirements of these Specifications and the installation methods comply with the manufacturer's printed instructions and were proper and adequate for the condition of installation and use.

F. Guarantee:

1. CONTRACTOR to execute his own written guarantee direct to CITY OF PHOENIX warranting all single-ply roofing system and flashing weather- and watertight and perfect for a period of two years after date of Final Completion.

Imperfections, by reason of defective materials, workmanship or arrangement of the various parts shall be made good to the satisfaction of the USING AGENCY at CONTRACTOR'S expense.

2. In addition to the above, CONTRACTOR to provide USING AGENCY with manufacturer's standard ten year warranty.

1. Deliver materials to the site in sufficient quantities to ensure uninterrupted

Ready To Advertise (RTA) 07501-6 February 2010 progress of the Work.

2. Deliver materials in manufacturer's original, unopened and undamaged contain-ers and rolls with labels intact and legible.

3. Materials requiring fire resistance classification shall be delivered to the job with labels attached and packaged as required by labeling service.

4. Comply with the requirements of Section 01651, Transportation and Handling of Materials and Equipment.

B. Storage and Handling of Materials:

1. Store materials in a dry, well ventilated, weather tight place, and in a manner which will ensure that there is no possibility of significant moisture pick-up.

2. Store in a manner which complies with fire and safety regulations.

3. Store emulsions at temperatures above 40°F.

4. Store materials on clean raised platforms with weather protective covering when stored outdoors.

5. Handle rolled goods so as to prevent damage to edge or ends.

6. Select and operate material handling equipment so as not to damage existing construction or applied roofing.

7. Comply with the requirements of Section 01661, Storage of Materials and

A. Environmental Conditions:

1. Proceed with single-ply roofing system and associated Work only when weather conditions will permit unrestricted use of materials and quality control of the Work being installed, complying with the Specification requirements and with the recommendations of the roofing materials manufacturers.

2. Proceed only when CONTRACTOR and his installer are willing to guarantee the Work as required and without additional reservations and restrictions.

3. Record decisions, conditions and agreements to proceed with the Work when weather conditions might be unfavorable. State the reasons for proceeding, with the names of the persons involved along with the changes, if any, or revisions, requirements or terms of the Contract.

B. Protection: Provide continuous protection of materials against damage primarily by storing materials under cover and above ground and away from other construction traffic.

C. Protection:

1. Provide continuous protection of materials against wetting and moisture absorption.

2. Protect materials against damage by construction traffic.

D. Scheduling:

1. Proceed with the single-ply roofing system and associated Work only after

Ready To Advertise (RTA) 07501-7 February 2010 curbs, blocking, continuous wood sleepers, vents, drains and projections through the substrate have been installed, and when the substrate construction and framing of openings is completed.

2. Proceed with and complete the Work only when materials, equipment and skilled tradesmen required for the installation of other single-ply roofing system components are at the site and are ready to follow with the Work immediately after composite roof insulation is acceptable for installation of the complete single-ply roofing system.

3. Install all single-ply roofing system and associated Work in a manner that will ensure a complete roofing system at the end of each day's Work. Do not advance the installation of any one material beyond that which is necessary for proper sequencing of the single-ply roofing system Work.

A. Provide a roofing guarantee in the form and content specified, covering the single-ply roofing system and associated Work specified therein, signed by CONTRACTOR and his installer. Provide a two year roofing guarantee period, starting on the date of Final Completion of the completed construction Work, stating that for the duration of the guarantee CONTRACTOR and installer shall be responsible to fix leaks, replace single-ply roofing system and roof insulation components damaged by moisture penetration, and other defects caused by improper workmanship or the improper arrangement of the various system components.

B. In addition to above, CONTRACTOR to provide USING AGENCY with manufac-turer's standard ten year warranty for loose laid roofing system.

C. Specified single-ply roofing system manufacturer's standard details for guaranteed construction shall represent a minimum standard for the Work. Provide details shown on the Drawings and in Factory Mutual Publications, where not in direct and irreconcilable conflict with specified single-ply roofing system manufacturer's requirements for guaranteed construction. Where such details are so considered by the single-ply roofing system manufacturer, provide a written statement from the manufacturer explaining the technical reasons for such determinations as part of Shop Drawing submittals.

2.1 MATERIALS AND MANUFACTURERS

A. Loose-Laid Roofing Systems: Provide the following:

1. Ethylene Propylene Diene Monomer Synthetic Rubber Sheeting: Provide black synthetic rubber sheeting laminated to a 0.075-inch thick non-woven polyester fleece backing. Comply with the following:

Ready To Advertise (RTA) 07501-8 February 2010

a. Rubber Membrane Thickness (not including polyester backing):

1) 0.060-inches for base flashings.

2) 0.060-inches for loose-laid system.

b. Hardness Durometer A, ASTM D 2240: 60 10 points.

c. Tensile Strength, ASTM D 412: 1305 pounds per square inch minimum.

d. Elongation at Break, ASTM D 412: 500 percent minimum at 75°F.

e. Brittleness Temperature, ASTM D 2137: -75°F.

f. Tear Resistance, ASTM D 624: 175 pounds per linear inch minimum.

g. Flame Resistance, ASTM D 542: No flame.

h. Resistance to Heat Aging, Change in Original Properties after 70 hours at

212 F, ASTM D 573: Hardness +10 points maximum, Elongation -40 percent maximum, Tensile Strength -15 percent maximum.

i. Resistance to Oil Aging, Change in Volume after 70 hours Immersion in ASTM No. 33 oil at 212°F, ASTM D 471: +80 percent.

j. Resistance to Ozone, Condition after Exposure to 100 pphm Ozone in Air for 168 hours at 104°F, ASTM D 1149: No cracks.

k. Resistance to Permanent Set, Compression Set after 22 hours at 158°F, ASTM D 395: +10 percent maximum.

l. Resistance to Water, Change in Weight after seven days Immersion at 158°F, ASTM D 471: 2.0 percent maximum change in mass.

2. Product and Manufacturer: Provide one of the following:

a. Sure-Seal FleeceBack-AFX Loose-Laid Ballasted Roofing System and

Elastoform Flashing by Carlisle SynTec Systems Division of Carlisle Corporation.

b. Or equal.

B. Ballast: Provide the following two types of ballast systems in the areas shown on the

Drawings:

1. River Washed Stone: Provide the following:

a. Smooth, rounded, river washed stone from 3/4-inch to 1-1/2-inch in diameter applied at the rate of 1,200, 1,500 and 1,800 pounds per square, (depending on location based on FM criteria) spread evenly over the surface without adhesive.

b. Provide granite or other stone capable of withstanding exposure without deterioration.

c. Comply with Factory Mutual Publication 1-28 for stone ballast.

C. One-Way Breather Vents:

1. Provide one-way breather vents recommended by the manufacturer for single-ply roofing installation.

2. Coordinate adhesives and sealants for full system responsibility.

3. Provide black body with gray top for single-ply installation.

4. Product and Manufacturer: Provide one of the following:

a. FP-10 One-Way Roof Vent by Manville Products Corporation.

b. Or equal.

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D.…