ESBD_433882_1752075761537_5_Attachment G Requirements and Specifications 304T-26-830A1 Storage Tanks.pdf

Texas Comptroller of Public Accounts Statewide Procurement Division

IFB No. 304T-26-830A1 Storage

Tanks

Attachment G

Requirements and Specifications

Solicitation No. 304T-26-830A1 Storage Tanks

Attachment G - Requirements and Specifications

Table of Contents G.1. All Tank Types

G.2. Chemical Storage Tanks

Line Item 1: Tank, Polyethylene, Horizontal Leg, 500-525 Gallons

Line Item 2: Tank, Polyethylene, Elliptical Leg, 1235 – 1250 Gallons

Line Item 3: Tank, Fiberglass, 12,600 Gallon

G.3. Vertical Asphalt Storage Tanks

The Following General Specifications Apply to Line Items 4 through 11:

Line Item 4: Tank, Vertical Asphalt Storage, 8000 Gallon

Line Item 5: Tank, Vertical Asphalt Storage, 8000 Gallon

Line Item 6: Tank, Vertical Asphalt Storage, 8000 Gallon

Line Item 7: Tank, Vertical Asphalt Storage, 8000 Gallon

Line Item 8: Tank, Vertical Asphalt Storage, 8000 Gallon

Line Item 9: Tank, Vertical Asphalt Storage, 8000 Gallon

Line Item 10: Tank, Vertical Asphalt Storage, 8000 Gallon

Line Item 11: Tank, Vertical Asphalt Storage, 8000 Gallon

G.4. Frac Storage Tanks

Line Item 12: Tank, Frac, 500 Barrel

EXHIBIT 1 - Tank, Polyethylene, Horizontal Leg, Minimum 500-525 Gallon

EXHIBIT 2 - Tank, Polyethylene, Elliptical Leg, Minimum 1235-1250 Gallon

Attachment G - Requirements and Specifications

G.1. All Tank Types A. Tanks shall be tested and be free of leaks, exterior paint, oil, and other markings.

B. This Contract is not inclusive of the site preparation construction costs and timelines that may be associated with each tank purchased. Site preparation is the Customer’s responsibility.

C. Contractor and Customer should communicate tank performance needs and installation requirements to ensure the proper tank, items, and preparations for delivery and installation.

D. Contractor is responsible for offloading the tank(s) at the delivery site. This includes all equipment (crane), labor, and materials required for the installation of the tank. Customer will provide a suitable installation location with utility connections as needed.

E. Contractor shall ensure the accuracy of the calibration scale for each tank delivered.

F. Training on features, operation and safety instruction to be included upon delivery.

H.2. Chemical Storage Tanks Line Item 1: Tank, Polyethylene, Horizontal Leg, 500-525 Gallons Reference EXHIBIT 1, Attachment G, Page 21 Referenced Manufacturers/Model No. or Equal:

Norwesco (Custom) Wylie (Custom)

A. For brine or herbicide chemical storage at atmospheric pressure and ambient temperature.

B. Not Acceptable: Laminated Tanks

C. Material: Resin Classification - High Density Linear Polyethylene

(HDLPE) resin

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Laminated No

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Attachment G - Requirements and Specifications

D. Wall thickness of the tank is to be designed for 1.5-1.9 specific gravity based upon based upon 600 Pounds per Square Inch (PSI) hoop stress at 100°F.

E. Mobile service for use with chemicals weighing 12 pounds per gallon.

F. Resin Requirements:

Reference Brand or Equal: ExxonMobile Chemical

1. Density (Resin)

a. ASTM: D1505

b. Value:

i. Minimum: 0.941 g/cm³

ii. Maximum: 0.948 g/cm³

2. Tensile (Yield Stress 2 in/min.)

a. ASTM: D638

b. Value: 3000 Pounds per Square Inch (PSI)

3. Elongation at Break (2 in/min.)

a. ASTM: D638

b. Value: >1000%

4. Environmental Stress Crack Resistance (ESCR) (100% IGEPAL, Cond. A, F50)

a. ASTM: D1693

b. Value: 550 hours

5. Environmental Stress Crack Resistance (ESCR) (10% IGEPAL, Cond. A, F50)

a. ASTM: D1693

b. Value: 55 hours

6. Vicat Softening Temperature (VST)

a. ASTM: D1525

b. Value: 235°F

7. Flexural Modulus

a. ASTM: D790, Option B

b. Value: 130,000 Pounds per Square Inch (PSI)

G. Capacity:

1. Minimum: 500 gallons

2. Maximum: 525 gallons

H. Dimensions:

1. Height

Specific Gravity

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Attachment G - Requirements and Specifications

a. Minimum: 48 inches

b. Maximum: 60 inches

2. Width

a. Minimum: 48 inches

b. Maximum: 50 inches

3. Length

a. Minimum: 71 inches

b. Maximum: 75 inches

I. Legs:

1. Two, shall extend the entire width of the tank at the base.

2. For support, with molded-in quarter section and interior baffles to reduce sloshing.

J. Construction:

1. Molded process and molded with white opaque pigment.

2. The finish shall effectively inhibit algae growth by significantly reducing UV light inside the tank.

K. Access Port:

1. Centered on top.

2. Inside Diameter:

a. Minimum: 16 inches

b. Maximum: 18 inches

L. Access Port Lid:

1. Must be located at the tank’s longitudinal midpoint.

2. Shall be equipped with covered fill opening located in the center of the access port lid.

3. Inside Diameter:

a. Minimum: 4 ½ inches

b. Maximum: 5 inches

4. Access port lid shall fit snugly.

5. Lid shall not require the use of a hold-down device such as clips, bands, or straps.

M. Agitation Line:

1. Factory installed and completely assembled.

2. ¾ inch pipe inches inches inches

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Attachment G - Requirements and Specifications

3. Agitator housing nozzles shall be nylon or other chemically compatible material.

4. All plumbing from the bottom of the tank to the agitator nozzles shall be stainless steel.

5. Connections shall not separate during operation.

N. Female Pipe Thread (FPT) Bulkhead Outlet:

1. Upper bulkhead outlet 1 ½ inch Inside Diameter (ID) (see Exhibit 1 below)

2. Outlet must have a stainless steel plug insert for transport.

3. Bulkhead Fitting:

a. Shall be bolt-on 316 stainless steel.

b. With seals

4. External Fittings:

a. Shall be installed with polyethylene gaskets.

b. Externally coated with sealant, to prevent leakage.

O. Female Pipe Thread (FPT) Primary Suction Outlet:

1. 1 ½ inch bulkhead fitting located in the bottom center of the tank.

(see Exhibit 1 below)

2. Outlet must have a stainless steel plug insert for transport.

3. Bulkhead Fitting:

a. Shall be bolt-on 316 stainless steel.

b. With seals

4. External Fittings:

a. Shall be installed with polyethylene gaskets.

b. Externally coated with sealant, to prevent leakage.

P. Anti-Vortex Plate:

1. Factory installed over the bottom outlet.

2. Shall be designed so that flow from the tank is not restricted.

3. All outlets and inlets shall be reinforced in accordance with industry standard.

Q. Calibration Scales:

1. Molded on each end of the tank marked in 25 gallon increments.

2. Rectangular Strip:

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Attachment G - Requirements and Specifications

a. Painted over the length of the scales.

b. Color: Black

c. Size:

i. Minimum: 2 inches

ii. Maximum: 4 inches

d. The molded markings of the scales shall be painted or sanded in relief to stand out in contrast to the black strip.

e. Shall accurately measure the volume of the liquid inside the tank.

R. Sight Gauges:

1. Located on each end of the tank for quick reference to the level of liquid in the tank.

2. Shall work in conjunction with the required scales.

S. Hold Down Bands:

1. To secure support legs of the tank to the truck bed.

2. Size:

a. Minimum: 1 inch

b. Maximum: 2 inches

3. Galvanized or painted steel bent to the specific radius of the tank.

4. Shall have a welded mount foot at each end with pre-drilled 5/8 inch holes.

Line Item 2: Tank, Polyethylene, Elliptical Leg, 1235 – 1250 Gallons Reference EXHIBIT 2, Attachment G, Page 22 Referenced Manufacturers/Model No. or Equal:

Norwesco (Custom) Wylie (Custom)

A. For brine or herbicide chemical storage at atmospheric pressure and ambient temperature.

B. Not Acceptable: Laminated Tanks C. Material: Resin Classification - High Density Linear Polyethylene

(HDLPE) resin D. Wall thickness of the tank is to be designed for 1.5-1.9 specific gravity based upon 600 Pounds per Square Inch (PSI) hoop stress at 100°F.

inches inches specific gravity

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Attachment G - Requirements and Specifications

E. Mobile service for use with chemicals weighing 12 pounds per gallon.

F. Resin Requirements:

Reference Brand or Equal: ExxonMobile Chemical

1. Density (Resin)

a. ASTM: D1505

b. Value:

i. Minimum: 0.941 g/cm³

ii. Maximum: 0.948 g/cm³

2. Tensile (Yield Stress 2 in/min.)

a. ASTM: D638

b. Value: 3000 Pounds per Square Inch (PSI)

3. Elongation at Break (2 in/min.)

a. ASTM: D638

b. Value: >1000%

4. Environmental Stress Crack Resistance (ESCR) (100% IGEPAL, Cond. A, F50)

a. ASTM: D1693

b. Value: 550 hours

5. Environmental Stress Crack Resistance (ESCR) (10% IGEPAL, Cond. A, F50)

a. ASTM: D1693

b. Value: 55 hours

6. Vicat Softening Temperature (VST)

a. ASTM: D1525

b. Value: 235°F

7. Flexural Modulus

a. ASTM: D790, Option B

b. Value: 130,000 Pounds per Square Inch (PSI)

G. Capacity:

1. Minimum: 1,235 gallons

2. Maximum: 1,250 gallons

H. Dimensions:

1. Height

c. Minimum: 48 inches

d. Maximum: 60 inches gallons inches

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Attachment G - Requirements and Specifications

2. Width

a. Minimum: 65 inches

b. Maximum: 70 inches

3. Length

a. Minimum: 125 inches

b. Maximum: 128 inches

J. Legs:

1. Four, shall extend the entire width of the tank at the base.

2. For support, with molded-in quarter section and interior baffles to reduce sloshing.

K. Construction:

1. Molded process and molded with white opaque pigment.

2. The finish shall effectively inhibit algae growth by significantly reducing UV light inside the tank.

L. Access Port:

1. Centered on top

2. Inside Diameter:

a. Minimum: 16 inches

b. Maximum: 18 inches

M. Access Port Lid:

1. Must be located at the tank’s longitudinal midpoint.

2. Shall be equipped with covered fill opening located in the center of the access port lid.

3. Inside Diameter:

a. Minimum: 4 ½ inches

b. Maximum: 5 inches

4. The access port lid shall fit snugly.

5. Lid shall not require the use of a hold-down device such as clips, bands, or straps.

N. Agitation Line:

1. Factory installed and completely assembled.

2. ¾ inch pipe

3. Agitator housing nozzles shall be nylon or other chemically compatible material.

inches inches inches inches

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Attachment G - Requirements and Specifications

4. All plumbing from the bottom of the tank to the agitator nozzles shall be stainless steel.

5. Connections shall not separate during operation.

O. Female Pipe Thread (FPT) Bulkhead Outlet:

1. Upper bulkhead outlet 1 ½ inch Inside Diameter (ID) (see Exhibit 2 below)

2. Outlet must have a stainless steel plug insert for transport.

3. Bulkhead Fitting:

a. Shall be bolt-on 316 stainless steel.

b. With seals

4. External Fittings:

a. Shall be installed with polyethylene gaskets.

b. Externally coated with sealant, to prevent leakage.

P. Female Pipe Thread (FPT) Primary Suction Outlet:

1. 1 ½ inch bulkhead fitting located in the bottom center of the tank.

(see Exhibit 2 below)

2. Outlet must have a stainless steel plug insert for transport.

3. Bulkhead Fitting:

a. Shall be bolt-on 316 stainless steel.

b. With seals

4. External Fittings:

a. Shall be installed with polyethylene gaskets.

b. Externally coated with sealant, to prevent leakage.

Q. Anti-Vortex Plate:

1. Factory installed over the bottom outlet.

2. Shall be designed so that flow from the tank is not restricted.

3. All outlets and inlets shall be reinforced in accordance with current industry standard.

R. Calibration Scales:

1. Molded on each end of the tank marked in 200 gallon increments from 200 gallons to 1200 gallons.

2. Rectangular Strip:

a. Painted over the length of the scales.

b. Color: Black

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Attachment G - Requirements and Specifications

c. Size:

i. Minimum: 2 inches

ii. Maximum: 4 inches

3. The molded markings of the scales shall be painted or sanded in relief to stand out in contrast to the black strip.

4. Shall accurately measure the volume of the liquid inside the tank.

S. Sight Gauges:

1. Located on each end of the tank for quick reference to the level of liquid in the tank.

2. Shall work in conjunction with the required scales.

T. Hold Down Bands

1. To secure the four support legs of the tank to the truck bed.

2. Size:

a. Minimum: 1 inch

b. Maximum: 2 inches

3. Galvanized or painted steel bent to the specific radius of the tank.

4. Shall have a welded mount foot at each end with pre-drilled 5/8 inch holes.

Line Item 3: Tank, Fiberglass, 12,600 Gallon Referenced Manufacturers/Model No. or Equal: National Oilwell Varco (Custom)

A. For brine or herbicide chemical storage at atmospheric pressure and ambient temperature.

B. Material: Fiberglass

1. Wall thickness of the tank is to be designed for 1.9 specific gravity.

2. Design pressure: 4 oz. Pounds per Square Inch (PSI);

Temperature: Ambient

a. The tank specifications shall meet EPA and OSHA regulations.

b. Fabrication per:

i ASTM-3299 standards ii Resin: Isophthalic inches inches

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Attachment G - Requirements and Specifications

C. Capacity: 12,600 gallons (300 barrels) D. Dimensions: (Approximate)

1. Diameter: 12 feet

2. Height: 15 feet

E. Weight:

1. Minimum: 2,000 pounds

2. Maximum: 2,500 pounds

F. Flat Bottom G. Closed Top H. Lifting Lugs:

1. Minimum of 3 lifting lugs integrally molded into the top head.

2. Shall be designed to allow erection of an empty tank.

I. Tie-Down Lugs:

1. Minimum of 4 tie-down lugs integrally molded into the top head.

2. Shall be designed to allow tank retention in wind and seismic loading.

J. Fixtures to be included with each tank:

1. Fitting for outlet near bottom of tank.

a. Quantity: One

b. 2 inch or 3 inch, but the 3 inch must include a 2 inch reducer.

2. Nipple:

a. Quantity: One

b. Diameter: 2 inches

c. Length: 2 ½ inches

3. Manway and Fill Cap

a. Threaded Design

b. 18 inches

c. Vented or non-vented

4. Ball Valve:

a. Quantity: One

b. 2 inches

5. Fittings: Threaded Bulkhead pounds

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Attachment G - Requirements and Specifications

a. Standard Sidewall Manway i Quantity: One ii Size: 24 inches iii Type: Fiber Reinforced Plastic

b. Standard Serial Number label;

i Quantity: One ii Size: Standard (STD) iii Type: Polypropylene Random Copolymer

c. Standard logo label;

i Quantity: One ii Size: Standard (STD) iii Type: Polypropylene Random Copolymer

d. Female National Pipe Taper (FNPT) Threaded Half Coupling;

i Quantity: One ii Size: 4 inches iii Type: Fiber Reinforced Plastic

e. Female National Pipe Taper (FNPT) Threaded Half Coupling;

i Quantity: Two ii Size: 4 inches iii Type: Fiber Reinforced Plastic

f. Standard Lifting Lug;

i Quantity: Two ii Size: Standard (STD) iii Type: Steel

g. Zinc Plated Walkway Lugs;

i Quantity: Two ii Size: Standard (STD) iii Type: Steel

h. Standard Thief Hatch;

i Quantity: One ii Size: 8 inches iii Type: Standard (STD)

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Attachment G - Requirements and Specifications

G.3. Vertical Asphalt Storage Tanks The Following General Specifications Apply to Line Items 4 through 11:

Referenced Manufacturers/Model No. or Equal:

Dura Tank 8000 Gallon (Custom)

A. Tank, 8000 gallon, Vertical Asphalt Storage

1. The tank specifications shall meet EPA, OSHA and ASTM regulations.

B. Dimensions, excluding the steel base or the safety cage:

1. Diameter Maximum: 10 feet

2. Height Maximum: 25 feet

C. Plate Steel Thickness: ¼ inch D. All seams shall be electrically welded, inside and outside.

E. All vertical seams shall be staggered or offset.

F. Insulation with a minimum R-12 rating, with waterproof rock wool, urethane foam or fiberglass covered by a minimum 0.034 inch to maximum 0.036 inch weatherproof aluminum jacket.

G. Mounted on a 5-1/2 foot platform type framework.

H. Manways:

1. Weatherproof

2. Quantity: Two openings

3. Circular 24 inches (Diameter), or Square 24 inches each side

4. One shall be located on the top with a quick-opening lockable hinged insulated cover.

5. One shall be located 12 inches from the bottom of the tank with a bolted cover that has a separate insulated cover.

I. External Ladder:

1. OSHA-approved

2. Ladder cage and handrails for access to the top of the tank.

3. A toe guard shall be provided with all handrails.

J. Overflow and Vent Standpipe diameter max in feet height max in feet inches

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Attachment G - Requirements and Specifications

1. Diameter: 4 inches

a. Must extend 1 inch above the top of the rated fluid level.

b. The tank top shall be 4 inches above the rated fluid level.

K. The standpipe shall attach to the inside tank wall.

L. The bottom outlet shall be threaded and extend out from the bottom of the tank.

M. Measuring Gauge:

1. Built-in for measuring quantity of liquid that shall be legible from ground level.

2. Gauge calibration shall be in minimum 100 gallon to maximum 200 gallon increments.

3. This gauge shall indicate the full level of the tank.

N. Temperature Gauge:

1. Diameter: 4 inches

2. Dial typeface sized and positioned for visibility from ground level with a minimum range of 50°F to 450°F.

3. Gauge shall have an accuracy of +/- 1°F.

O. Storage tanks must be electrostatically grounded to ensure the safety of personnel and equipment.

P. Agitator:

1. Heavy duty, timed for circulating all types of liquid asphalt.

2. Motor:

a. Minimum 1 Horsepower (HP)

b. Totally enclosed, fan cooled (TEFC)

c. Operating on either: 240 volt single-phase, 240 volt three-phase, 208 volt three-phase, or 480 volt three-phase.

3. Motor shall be mounted outside the tank for easy accessibility.

4. Agitator RPM settings compatible with all types of asphalts and emulsions and shall agitate the tank contents at intervals appropriate without causing viscosity breakdown, foaming, or other undesirable affects.

5. Axial Flow Impeller:

a. Quantity: One

b. Diameter Minimum: 72 inches

c. Blades: Two or three blade versions are acceptable.

d. Shall be complete with hub and blades.

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Attachment G - Requirements and Specifications

e. Constructed of carbon steel.

6. Low-Level Sensor that must prevent the agitator from operating if the asphalt level drops below the tank manufacturer’s predetermined level.

7. Low Temperature Sensor and Controller:

a. Dial typeface sized and positioned for visibility from ground level with a minimum range of 50 °F to 450 °F.

b. Sensor must prevent agitator from operating in the event the asphalt temperature drops below a preset temperature.

8. Timer to retain programming in case of a power outage.

a. Multi-functional

b. Fully programmable (Seven day, 24 hours)

Q. A weatherproof enclosure for the motor, belt, gear(s), pulleys, and agitator shaft.

1. Grease fittings located at ground level, even for the top mounted agitator motor and gears.

R. Electrical Control Box and Electric Panel:

1. Be mounted on the tank stand, for easy accessibility from the ground.

2. Electrical control and devices shall be terminated in a weatherproof control panel.

3. All connections shall be in accordance with NEMA and NEC electrical standards.

4. Control box and panel shall be UL listed and approved.

5. A master control switch which controls power to all electrical functions shall be mounted on the exterior of the control box door.

6. A heat indicator light indicating when heater is on shall be located on exterior of control box door.

7. A 115 volt Ground Fault Circuit Interrupter (GFCI) receptacle used to power lights or power hand tools up to 15 amperes.

8. A forward, off, and reverse pump switch installed on exterior of control box door, if tank is equipped with a pump.

9. A timer for the agitator located inside or on the control box.

10. An adjustable tank heater thermostat located inside the control box with outside readout.

S. An electric control switch with indicator light for the heater tape on all external piping.

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Attachment G - Requirements and Specifications

T. Asphalt Heaters

1. Quantity: Three

2. 4000 watts

3. Operational voltage as specified by line item:

a. 240 volt single-phase, or

b. 240 volt three-phase, or

c. 208 volt three-phase, or

d. 480 volt three-phase

4. Able to heat and maintain asphalt to 400°F when ambient temperature is -10°F.

5. Dial typeface sized and positioned for visibility from ground level with a minimum range of 50 °F to 450 °F.

6. The controller shall have two readouts, one showing desired (set point) temperature and the other showing actual temperature.

7. Thermostat, indicator type, with adjustable temperature control and adjustable backup safety thermostat, both with an accuracy of +/- 1°F.

8. Temperature sensing bulb for the thermostat shall be mounted in a dry well for easy removal and replacement.

9. Installed so that tank will not have to be drained for heaters to be removed for maintenance.

10. Automatic safety interlock switch to turn off heaters in case of low asphalt.

11. Provide a manual override so that tank can be pre-heated two hours before it is filled.

12. Plumbing, insulation and electrical heating system:

a. Fill and Drainpipe Diameters: 3 inches

b. All pipe ends shall be equipped with quick couplers and quick release end caps.

c. All piping shall be insulated to a minimum R-12 rating, with waterproof rock wool, urethane foam or fiberglass and covered with a minimum 0.034 inch to maximum

0.036 inch weatherproof aluminum jacket.

d. Exposed piping shall be heated using 120-volt electrical heating tape that is thermostatically controlled from the control box.

inches

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Attachment G - Requirements and Specifications

e. All valves shall have a permanent decal or metal plate with etched, raised, or stamped letters to identify valve and indicate closed position.

U. Electric Asphalt Pump System – (Only applies to Line Items 4-7)

1. Shall be designed to handle all grades of liquid asphalt.

2. One 3 inch suction port and one 3 inch discharge port designed for 200°F to 400°F temperatures and service at 200 Gallon Per Minute (GPM), 400 Revolutions Per Minute (RPM) flow rate.

3. One 1 inch cock valve must be provided in each line as close to the tank ball valves as possible for ease of back sucking lines.

4. The other end of these lines shall be set up for standard quick coupling connections with quick release end caps.

5. One pressure relief valve or bypass arrangement to eliminate danger of excessive pressure in the lines and on the pump when filling the tank through the tank pump. Must permit bypass of material when tank valve(s) is closed, and the tank pump is running.

6. Strainer(s) with a 1/4 inch weave readily accessible for cleaning installed in the pump’s intake line(s) to prevent foreign objects from entering and damaging the pump.

7. One motor for the pump, 10 Horsepower (HP), Totally Enclosed Fan Cooled (TEFC).

8. One separate, 3 inch diameter loading and unloading gravity discharge line with 3 inch ball valve located close to the tank, with pipe extended so that a 5 gallon bucket can be located under the end connection.

9. The end connections shall consist of a quick coupling connection and a quick release end cap.

10. One 1 inch cock valve shall be provided after each ball valve to aid in suck back operation.

11. Plumbing system valve and piped to:

a. Drain and fill tank using the pump.

b. Drain and fill tank without going through the pump.

c. Drain pump and lines without draining tank.

12. Tank Valves:

a. All 3 inch tank valves located as close to tank as possible.

b. One 1 inch cock valve shall be installed after the 3 inch in-line tank valves.

c. The 1 inch valve shall be used for line cleaning suck back operations.

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Attachment G - Requirements and Specifications

V. Manuals:

1. The Contractor will be required to provide two original illustrated part documents, operator's manual, and service manual with each unit. Either hard copy or electronic is acceptable.

2. The manual(s) shall include, at minimum, all appropriate manuals for the pumps, motors, heaters, plumbing and insulation.

3. It is requested, but not required, that the manuals be printed on recycled paper.

Line Item 4: Tank, Vertical Asphalt Storage, 8000 Gallon As specified above. Shall include the following:

A. Operational Voltage: 240 Volt, Single Phase B. With Pump

Line Item 5: Tank, Vertical Asphalt Storage, 8000 Gallon As specified above. Shall include the following:

A. Operational Voltage: 240 Volt, Three Phase B. With Pump

Line Item 6: Tank, Vertical Asphalt Storage, 8000 Gallon As specified above. Shall include the following:

A. Operational Voltage: 208 Volt, Three Phase B. With Pump

Line Item 7: Tank, Vertical Asphalt Storage, 8000 Gallon As specified above. Shall include the following:

A. Operational Voltage: 480 Volt, Three Phase B. With Pump

Line Item 8: Tank, Vertical Asphalt Storage, 8000 Gallon As specified above. Shall include the following:

A. Operational Voltage: 240 Volt, Single Phase B. Without Pump

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Attachment G - Requirements and Specifications

Line Item 9: Tank, Vertical Asphalt Storage, 8000 Gallon As specified above. Shall include the following:

A. Operational Voltage: 240 Volt, Three Phase B. Without Pump

Line Item 10: Tank, Vertical Asphalt Storage, 8000 Gallon As specified above. Shall include the following:

A. Operational Voltage: 208 Volt, Three Phase B. Without Pump

Line Item 11: Tank, Vertical Asphalt Storage, 8000 Gallon As specified above. Shall include the following:

A. Operational Voltage: 480 Volt, Three Phase B. Without Pump

G.4. Frac Storage Tanks This specification is for the provision of frac tanks used for brine storage for various TxDOT locations statewide.

Line Item 12: Tank, Frac, 500 Barrel Referenced Manufacturers/Model No. or Equal:

Dragon, FTCATW500 Wichita Tank, Smooth Wall

A. Constructed of steel B. Capacity: 500 barrel C. Equipped with:

1. Safety ladder

2. Standard 5th wheel king pin hitch.

3. One (1) axle with air brakes

a. Minimum 22,500 pound capacity

b. Maximum 25,000 pound capacity

4. Wheels pounds

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Attachment G - Requirements and Specifications

a. Wheels and tires must be appropriately sized for intended use.

5. Standard TxDOT compliant amber lights:

a. Rear turn lights

b. Rear brake lights

c. Clearance lights

d. Marker or running lights

D. Dimensions:

1. Length: Minimum 40 feet

2. Width:

a. Minimum 8 feet

b. Maximum 9 feet

3. Height:

a. Minimum 8 feet

b. Maximum 12 feet

DI. Top of tank:

1. Flat

2. Minimum 0.25 inches thick

3. Solid welded

4. Equipped with channel supports

DII. Bottom of tank:

1. V-bottom

a. Minimum 0.25 inches thick

b. Maximum 3 inches thick

DIII. Interior Floor:

1. Composed of a steel plate measuring a minimum of 0.25 inches thick.

2. Solid welded

3. Equipped with side channel supports.

DIV. Walls:

1. Composed of a steel plate measuring a minimum of 0.25 inches thick.

2. Solid welded

3. Equipped with at least three support channels.

feet feet inches thick

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Attachment G - Requirements and Specifications

4. Tank Front: The front of the tank must have:

a. Minimum 0.25 inch thick steel plate

b. One (1) manway i Minimum 21 inches ii Maximum 25 inches

c. One (1) level gauge

d. One (1) drain valve

e. One (1) fill pipe

5. Tank Rear: The rear of the tank must have:

a. Minimum 0.25 inch thick steel plate

b. One (1) each drain valve

6. Coatings:

a. Interior: 18 millimeter Epoxy, sandblasted

b. Exterior: 2-Stage paint inches

EXHIBIT 1 - Tank, Polyethylene, Horizontal Leg, Minimum 500-525 Gallon

Storage Tanks

Attachment G - Requirements and Specifications

EXHIBIT 2 - Tank, Polyethylene, Elliptical Leg, Minimum 1235-1250 Gallon

EXHIBIT 2 - Tank, Polyethylene, Elliptical Leg, Minimum 1235-1250 Gallon