B09_Amend_10_Attach_6_QM10_43_40_02_Fiberglass_Reinforced_Plastic_Tank_0010.pdf

YOSE 196416 FIBERGLASS REINFORCED PLASTIC TANK

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AMENDMENT

SECTION 43 40 02

FIBERGLASS REINFORCED PLASTIC TANK

PART 1 GENERAL

1.01 REFERENCES

A. The following is a list of standards which may be referenced in this section:

1. American Society of Mechanical Engineers (ASME):

a. B16.5, Pipe Flanges and Flanged Fittings: NPS 1/2 through 24.

b. RTP-1, Reinforced Thermoset Plastic Corrosion Resistant

Equipment.

2. ASTM International (ASTM):

a. C582, Standard Specification for Contact-Molded Reinforced Thermosetting Plastic (RTP) Laminates for Corrosion-Resistant Equipment.

b. D2583, Standard Test Method for Indentation Hardness of Rigid Plastics by Means of a Barcol Impressor.

c. D2584, Standard Test Method for Ignition Loss of Cured Reinforced Resins.

d. D3299, Standard Specification for Filament-Wound Glass-Fiber- Reinforced Thermoset Resin Corrosion-Resistant Tanks.

e. D4097, Standard Specification for Contact-Molded Glass-Fiber- Reinforced Thermoset Resin Chemical-Resistant Tanks.

f. E84, Standard Test Method for Surface Burning Characteristics of Building Materials.

g. E1067, Standard Practice for Acoustic Emission Examination of Fiberglass Reinforced Plastic Resin (FRP) Tanks/Vessels.

3. Occupational Safety and Health Act (OSHA): Part 1910.24, Subpart D, Walking-Working Surfaces.

1.02 DEFINITIONS

A. FRP: Fiberglass reinforced plastic.

1.03 DESIGN REQUIREMENTS

A. Design Loads: In accordance with Section 01 67 00, Product Requirements.

B. Tanks specified to be designed and fabricated to ASME RTP-1 requirements.

Code stamp is not required.

FIBERGLASS REINFORCED PLASTIC TANK YOSE 196416

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C. Design tank, including resin selection (unless specified), wall thickness, methods and locations of support, and stiffener requirements. Design shall be prepared and sealed by designer meeting requirements of Article Quality Assurance.

D. Coordinate with manufacturer of mixers to be installed in tank to ensure tank baffle design and support design are suitable for use with mixers actually being supplied. Secure the following:

1. Manufacturer drawings of required mixer supports.

2. Description of tank modifications required by mixer manufacturer to optimize mixing.

1.04 SUBMITTALS

A. Action Submittals:

1. Shop Drawings:

a. Fabricators catalog information, descriptive literature, specifications, and identification of materials of construction, including complete resin system information.

b. Letter from resin manufacturer stating that selected resin is suitable for intended service.

c. Detailed fabrication drawings.

d. Tank data indicating equipment number, pressure rating, diameter, straight shell lengths, overall lengths, wall thickness, corrosion barrier thickness, and details of nozzle designs.

e. Tank capacity chart indicating gallons for each inches of depth and cumulative total from bottom.

f. Fabricator’s detailed requirements for tank foundations.

g. Recommended bolt torque for bolted FRP connections.

h. Seismic anchorage and bracing drawings and cut sheets, as required by Section 01 88 15, Seismic Anchorage and Bracing.

i. Mixer catalog information, descriptive literature, dimensional drawings, and wiring diagrams.

j. Leak detection sensor catalog information and wiring diagrams.

2. Samples: Laminate sample representative of production quality of surface finish and visual imperfections.

B. Informational Submittals:

1. Complete design calculations for tanks, supports appropriate accessories.

2. Seismic anchorage and bracing calculations as required by Section 01 88 15, Seismic Anchorage and Bracing.

3. Fabricator’s Certificate of Compliance with fabrication requirements.

4. Qualifications of Fabricator’s Quality Assurance Supervisor.

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5. Copy of fabricator’s Quality Assurance Program.

6. Quality Assurance Inspection:

a. Qualifications of Independent FRP Quality Assurance Inspector.

b. Initial QA Inspection Report.

c. Certification of Factory Testing.

7. Certification that mixer supports, tank baffle design, and access nozzles have been coordinated with actual equipment being furnished.

8. Component and attachment testing seismic certificate of compliance as required by Section 01 40 00, Quality Requirements.

9. Special shipping, storage and protection, and handling instructions.

10. Fabricator’s printed installation and tank support instructions.

11. Manufacturer’s Certificate of Proper Installation in accordance with

Section 01 79 00, Demonstration and Training.

12. Qualifications of Acoustic Emission Testing Agency.

13. Operations and Maintenance Manual for magnesium hydroxide tank mixer per Section 01 78 23, Operations and Maintenance Data.

C. Contract Closeout Submittals: Service records for repairs performed during construction.

1.05 QUALITY ASSURANCE

A. Fabricator’s Quality Assurance Supervisor: Minimum of 3 years’ experience in fabrication of fiberglass structures.

B. Designer: Registered professional engineer licensed in state of California.

C. Independent FRP Quality Assurance Inspector:

1. Minimum 5 years’ experience as FRP inspector.

2. Representing a corporately and financially independent organization that can function as an unbiased inspection authority.

3. Professionally independent of manufacturers, suppliers, and installers of systems being inspected.

D. Fabrication shop shall hold RTP-1 certification.

1.06 DELIVERY, STORAGE, AND HANDLING

A. In accordance with Section 01 67 00, Product Requirements. In addition, prepare and protect tank for shipment as follows:

1. Mount tank on padded cradles if shipped horizontally or on a suitable skid if shipped vertically.

2. Protect flanged nozzles with wooden blinds bolted to flange and having a diameter of 2 inches greater than outside diameter of flange.

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3. Provide either rigid plugs inside ends to prevent deflection or wooden boxes for unflanged components. Brace open end of tank with suitable stiffening member to prevent deflection.

4. Do not ship components or other pieces loose inside tank.

5. Load tank with at least 2 inches of clearance between tank (including fittings) and bulkheads, or bed of vehicle.

6. Regardless of mode of transportation, firmly fasten and pad components to prevent shifting of load or flexing of components while in transit.

1.07 SEQUENCING AND SCHEDULING

A. Do not ship tank from factory until Contracting Officer’s review of Certification of Factory Testing is completed.

PART 2 PRODUCTS

2.01 SUPPLEMENTS

A. Some specific requirements relative to this section are attached as supplements at the end of section.

2.02 SERVICE CONDITIONS

A. As specified herein and within Datasheets.

2.03 MATERIALS

A. Filament-Wound Contact-Molded: Fabricate in accordance with ASTM D3299, Type II, Grade 1, and ASME RTP-1.

B. Resin:

1. Suitable for intended service.

2. Premium grade and corrosion resistant, such as chlorendic polyester, vinyl ester, or bisphenol A fumarate polyester.

3. Use same resin throughout entire tank shell.

4. Add ultraviolet absorbers to surfacing resin to improve weather resistance.

5. No dyes, pigments, or colorants, except in exterior gel coat.

6. No fillers or thixotropic agents.

7. Additives may be added to achieve fire retardancy. The Flame-Spread

Rating of finish laminate shall be less than 25, as determined by ASTM E84. Additives shall not be added to interior layer, unless specifically required.

8. Curing System:

a. As recommended by resin manufacturer or as specified herein.

b. Cure products as specified in ASTM D3299 and ASME RTP-1.

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c. Measure Barcol hardness according to ASTM D2583.

9. Post-cure tank and appurtenances in accordance with resin manufacturer’s recommendation for time and temperature. Post-curing should be completed with warm-to-hot dry air, free of combustion products. Hot spots shall be avoided.

C. Reinforcements:

1. Surfacing Veil: Chemical surfacing mat, Type C (chemical) glass, 10 mils thick, with a finish and a binder compatible with the lay-up resin.

2. Other Reinforcements: In accordance with ASTM D3299.

D. Laminate:

1. Consists of inner surface (corrosion barrier), interior layer, and exterior layer (structural layer).

2. Meet visual acceptance criteria in ASME RTP-1.

3. Meet requirements of mechanical properties in ASME RTP-1.

4. Reinforce inner surface with resin-rich surfacing veil as specified herein.

5. Apply a white color coat after inspection of laminate has been completed.

E. Marking:

1. Identify each tank with fabricator’s name, capacity in gallons, maximum temperature, design pressure/vacuum, specific gravity, pH, resin, minimum thickness, tank number, tank name, and date of manufacture.

2. Provide permanent marking. Seal decals and labels into laminate exterior with clear resin.

3. Provide permanent NFPA 704 diamond per Section 10 14 00, Signage.

F. Nozzles:

1. Gusset 4-inch or smaller nozzles with conical or plate type gussets.

Larger nozzles shall be gusseted, if noted.

2. Finish flush with inside surface of tank, unless otherwise indicated.

3. Gaskets:

a. Provide two per nozzle, 1/8-inch-thick, full-face elastomeric material having a hardness of Shore A60 plus or minus 5.

b. Material shall be suitable for intended service.

4. Flanged Nozzles: Rated at 100 psi, with other dimensions and bolting corresponding to ASME B16.5 for 150-pound steel flanges.

5. Back face of flanges shall be spot-faced, flat and parallel to flange face of sufficient diameter to accept SAE metal washer under bolthead or nut.

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G. Dip-Pipes:

1. Provide inside and outside surfaces of dip-pipes with corrosion barrier.

2. Surfacing veil for this corrosion barrier shall be same as specified for tank.

3. Corrosion barrier shall consist of appropriate surfacing veil, backed by two layers of fiberglass mat.

4. If “ready-made” pipe is used, it shall have an equivalent internal corrosion barrier and shall have specified corrosion barrier applied to outside surface.

2.04 DOUBLE WALL TANKS (ALL TANKS)

A. Construction:

1. Each double wall tank shall consist of two bottoms and two shells with a single top if vertical; and two ends and two shells if horizontal.

2. The top shall be sealed to both tanks if vertical tank.

3. A minimum interstitial space is required between shells and bottoms.

4. Each tank shall be designed to be self-sustaining.

5. Each tank shall be designed to withstand all forces independent of each other.

6. The secondary tank shall have an independent vent and drain outlet.

7. Hold down lugs and lifting lugs to be attached to the secondary tank if vertical.

2.05 APPURTENANCES

A. Leak Detection sensors for interstitial space.

1. Tag Numbers: 65-LSH-113, -123, -213, -223.[AMD]

B. Mixer for Magnesium Hydroxide Tanks:

1. Tag Numbers: 065-MXR-110, -120.

2. Type: Side Top entry, flange mounted.

a. Angle mixer downward so that mixer blades can remain submerged to the maximum extent possible. Mixer must be able to operate within a variable liquid depth range between 1 foot 6 inches and 9 feet 0 inch.[AMD]

3. Mixing Energy: 0.7 hp/1,000 gallons.

4. Shaft and propeller shall be Type 316 stainless steel.

5. Power: 480 V, three-phase.

6. Motor Requirements: See Section 26 20 00, Low-Voltage AC Induction

Motors.

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7. Mixer Supports and Connections:

a. Use mixer support design and location criteria obtained from mixer manufacturer for design, fabrication, and drilling mounting holes in channels and mixer support height.

b. Fabricate with baffles recommended by mixer manufacturer.

c. Minimum Support System:

1) Two Type 304 stainless steel channels for each mixer with adequate cross bracing and foot platform for mounting mixer directly on channels.

2) Size support channels for dead and live loads imposed by mixer channels and grating, plus 150 psf live load on grating.

3) Support mixer without vibration.

8. Manufacturers and Products:

a. Cleveland Mixer; SFRG Series Side Mixers.[AMD]

b. Or equal.

C. Ladders, Handrails, and Kickplates:

1. Install on Magnesium Hydroxide Tanks.

2. Install handrail around perimeter of tank top with opening at the ladder locations shown in the Tank Data Sheets.

3. Material: FRP as specified in Section 06 82 00, Glass-Fiber-Reinforced

Plastic.

4. Fasteners: Type 316 stainless steel.

5. Supports: Locate as required for field installation of ladders and handrails.[AMD]

C.D. Supports:

1. Pipe Supports:

a. Provide for tank overflow pipes..

b. Spacing of supports shall be as recommended by fabricator, but shall not be greater than 4 feet on center.

c. As shown on the Drawings, shall allow removal of pipe.

d. FRP complete with necessary bolts, nuts, and washers.

2. Level Probe Supports: FRP or stainless steel.

D.E. Lifting Lugs: Provide suitably attached for tank weighing over 100 pounds.

E.F. Anchor Bolts: Type 316 stainless steel bolts, sized by fabricator and as specified in Section 05 50 00, Metal Fabrications.

F.G. Manway Bolts: Type 316 stainless steel bolts and nuts as specified in Section 05 50 00, Metal Fabrications.

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2.06 SOURCE QUALITY CONTROL

A. Independent FRP Inspector:

1. To be present at point of manufacture at time fabrication is started, to perform the following:

a. Observe manufacturing methods, machinery, and techniques to ensure compliance with industry standards and these Specifications.

b. Observe initial fabrication to verify compliance with these Specifications.

c. Observe quality control methods for mixing resins and testing of completed equipment.

d. Generally observe quality of other ongoing fabrication.

e. Prepare Initial QA Inspection Report.

2. To be present at point of manufacture, upon completion of fabrication and prior to shipment, to perform or witness the following:

a. Visual inspection to requirements of ASTM C582.

b. Barcol Hardness measurements per ASTM D2583.

c. Acetone sensitivity test for internal secondary bonds.

d. Glass content by ignition loss on three cutouts per ASTM D2584.

e. Hydrostatic Leak Test:

1) Perform on each tank.

2) Fill to top nozzle; allow to stand for 2 hours with no visible leakage.

3. Prior to beginning repair work, repairs deemed acceptable by

Independent FRP Inspector shall be approved by Contracting Officer.

B. Identify and retain cutouts. Contracting Officer may select certain cutouts for testing for physical properties of laminate.

C. Factory Test Reports:

1. Certify results, by signature, of the following:

a. Inspections.

b. Results of hydrostatic testing.

c. Test reports of physical properties of standard laminates.

d. Test results and report for acoustic emission test.

PART 3 EXECUTION

3.01 INSTALLATION

A. In accordance with fabricator’s written instructions.

B. Accurately place anchor bolts using templates furnished by fabricator, and as specified in Section 05 50 00, Metal Fabrications.

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C. Interface with Other Products: Coordinate with mixer manufacturer as required for proper mounting of tank mixers.

3.02 FIELD QUALITY CONTROL

A. Functional Test:

1. Conduct on each tank.

2. Hydrostatic leak test with tank full of clean water. Allow water to stand for 24 hours to verify no leakage.

3.03 MANUFACTURER’S FIELD SERVICES

A. Provide fabricator’s representative at Site in accordance with Section 01 79 00, Demonstration and Training, for installation assistance, inspection and certification of proper installation for specified component, subsystem, equipment, or system.

3.04 SUPPLEMENTS

A. The supplements listed below, following “End of Section,” are part of this specification:

1. FRP Tank Schedule.

2. Tank Data Sheets.

END OF SECTION

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FRP TANK SCHEDULE[AMD]

Name of Tank

Magnesium Hydroxide

Tank #1 and #2 Alum Tank #1 and #2

Equipment Numbers 065-T-110

065-T-120

065-T-210

065-T-220

Filament-wound or Contact-molded Filament-wound Filament-wound

Maximum Capacity Measured to High Solution Level (gallons)

2,800 3,200

Installation (Vertical/Horizontal) Vertical Vertical

Diameter (feet) 8 8

Straight Shell Height (feet) 10 11

Support (saddles, flat pad, legs) Flat Pad Flat Pad

Type of Bottom Head Flat Flat

Type of Top Head Elliptical Elliptical

Ladder Required (Yes/No) NoYes No

Tank Location (indoor/outdoor) Indoor Indoor

Ambient Temperature Range (degrees F) 65–100 65–100

Exterior Loading (psf):

Personnel Roof Loads NA50 NA

Platforms NA NA

Mixers To be coordinated with mixer manufacturer

Pipe Supports 50 lb per support location

Operating Contents:

Temperature (degrees F, not to exceed 180)

80 80

Chemical Composition Mg(OH)2 AL2(SO4)3

Specific Gravity 1.51 1.33

Concentration 62% 48% pH Range 9-11 1.9-2.4

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FRP TANK SCHEDULE[AMD]

Name of Tank

Magnesium Hydroxide

Tank #1 and #2 Alum Tank #1 and #2

Sight Glass Type (1 or 2) No No

Sight Glass Tube Length NA NA

Insulation/Heat Tracing (Yes/No) NA NA