Amendment_6_43_23_04_Horizontal_Multistage_Pumps_GRCA_261633_Pump_3_06.pdf

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031414 PUMPING EQUIPMENT - HORIZONTAL MULTI-STAGE PUMPS

SECTION 43 23 04

PUMPING EQUIPMENT - HORIZONTAL MULTI-STAGE PUMPS

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Modular Horizontal Multi-Stage Pump.

a. Pump #3 and appurtenances

B. Related Sections include but are not necessarily limited to:

1. Division 00 - Procurement and Contracting Requirements.

2. Division 01 - General Requirements.

3. Section 40 05 00 - Pipe and Pipe Fittings: Basic Requirements.

4. Section 40 90 00 - Instrumentation for Process Control: Basic Requirements.

5. Section 43 21 00 - Pump Installation and Testing Requirements.

1.2 QUALITY ASSURANCE

A. Referenced Standards:

1. American Society of Mechanical Engineers (ASME):

a. B16.1, Gray Iron Pipe Flanges and Flanged Fittings: Classes 25, 125, 250, and 300.

1.3 SUBMITTALS

A. Shop Drawings:

1. See Specification Section 01 33 23 for requirements for the mechanics and administration of the submittal process.

2. Product technical data including:

a. Complete fabrication and assembly drawings, together with detailed specifications and data covering materials, drive unit, parts, devices, and accessories forming a part of the equipment furnished, shall be submitted in accordance with the Submittals Procedures section. The data and specifications for each unit shall include, but not limited to:

1) Pump technical information including certified pump curve and operating data.

2) Type and model.

3) Tag number.

4) Pump location.

5) Rotative speed.

6) Size of suction nozzle.

7) Size of discharge nozzle.

8) Net weight of pump only.

9) Net weight with motor, baseplate, and coupling.

10) Complete performance curves showing capacity versus head, NPSH required, pump efficiency, wire to water efficiency, and pump input power.

11) Data of coupling.

12) Data on shop painting.

13) Base and anchor bolt details.

B. Contract Closeout Information:

1. Operation and Maintenance Data:

a. See Specification Section 01 78 23 for requirements for the mechanics, administration, and the content of Operation and Maintenance Data submittals.

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PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Subject to compliance with the Contract Documents, the following manufacturers are acceptable:

1. Flowserve.

2. Or Approved Equal.

B. Submit request for substitution in accordance with Specification Section 01 33 23.

2.2 PERFORMANCE AND DESIGN REQUIREMENTS

A. Performance Parameters:

1. Pump #3:

a. Primary design condition: 650 GPM at 3,535 FT TDH and 70 PCT efficiency.

b. Secondary design condition: 550 GPM at 3,470 FT TDH and 70 PCT efficiency.

c. Maximum speed: 3,600 RPM.

d. Drive: Variable frequency.

e. Motor horsepower (max): 900 HP.

f. Minimum shutoff condition: 0 GPM at 4,500 FT.

g. Suction Flange: Radial Right (viewed from motor end), ANSI 300# RF Flange.

h. Discharge flange: Radial Top, ANSI 900# RF Flange.

2. Provide pumps with increasing head characteristics from secondary design conditions to shutoff condition.

3. Provide pumps with net positive suction head requirements (NPSHR) less than the net positive suction head available (NPSHA) at all operating conditions.

2.3 ACCESSORIES

A. Each Unit:

1. Lifting eye bolts or lugs.

2. Plugged gage cock connection at suction and discharge nozzles.

3. Tapped and plugged openings for casing and bearing housing vents and drains.

4. Fittings for properly adding flushing lubricant.

5. Pressure relief fittings for grease lubrication.

6. Temperature RTDs and Accelerometers

2.4 COMPONENTS

A. General:

1. Weight of revolving parts of pump including unbalanced hydraulic thrust of impeller is carried by thrust bearing in driver.

B. Casings

1. Provide inter-stage casings with interchangeable parts.

2. Casing Rings: Nitronic 60 stainless steel

C. Impellers

1. Type: Enclosed.

2. Material: 316 SS.

3. Wear Rings: 630/17-4 SS.

4. Secure to shaft with keys.

5. Verify impeller is accurately fitted and statically and dynamically balanced.

D. Shaft

1. Sized to transmit the required power across operating conditions of pump.

2. Material: 630/17-4 SS.

3. Stagger impeller keyways.

E. Mechanical Seals

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1. Type: Single Cartridge, Stationary Balanced O-Ring

2. Flushing/lubrication: Plan 11/13 (radial suction) product lubricated.

3. Materials

a. Metal parts except springs: 316 stainless steel.

b. Springs: Hastelloy C.

c. Seal faces: Unfilled carbon graphite versus silica-free Grade 99.5 ceramic.

d. Elastomers: Viton.

4. Manufacturers

a. Chesterton.

b. John Crane.

c. Garlock.

d. Or approved equal.

F. Bearings:

1. Provide product lubricated radial, food oil lubricated anti-friction thrust bearing (axial suction)

2. Option: Provide food oil lubricated radial and thrust anti-friction bearings (radial suction)

3. Insulated Bearing: Required

4. Temperature Monitoring:

a. 100 Ohm Platinum – Dual Element RTD

b. Temperature range: -50 to 260°C (-58 to 500°F).

c. Case: Stainless steel.

d. Babbitt tip: Factory applied babbitt tip.

e. Leads: Stranded copper with PTFE insulation; stainless steel over-braid

f. Locations:

1) Outboard Bearing

2) Motor Drive End Bearing

3) Drive End Bearing

5. Accelerometer

a. 2 wire 4-20mA acceleration output

b. Connector: M12

c. Case Material: Stainless Steel

d. Sensing Element/Construction: PZT/Shear

e. Mounting Torque: 5.9ft. lbs

f. Mounting Bolt Provided

g. Shielded Cable Assembly

h. Mounting Threads: - ¼-28” UNF Male

i. Locations:

1) Outboard Bearing

2) Motor Drive End Bearing

3) Drive End Bearing

4) Y Axis

5) Z Axis

G. Pump Support:

1. Design base to support weight of drive, shafting and pump.

2. Comply with HI vibration limitations.

3. Mount horizontal pump, motor and coupling on single piece drip lip type baseplate.

4. Fabricate to withstand all operating loads transmitted from the pump and drive.

5. Provide horizontal motor positioning screws and baseplate leveling screws.

H. Data Plates:

1. Provide stainless steel data plate securely attached to pump.

2. Include manufacturer's name, pump size and type, serial number, speed, impeller diameter, capacity and head rating, and other pertinent data.

I. Motors:

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1. Reduced voltage starting, solid shaft, squirrel cage, induction type.

2. Inverter Duty.

3. 460 V, 60 Hz, 3 PH.

4. Motor terminal box mounted left side (viewed from shaft end)

5. ODP or TEFC type.

6. Size motor to drive pump continuously over the complete head - capacity range without the load exceeding the nameplate rating.

7. Design motor for 85 DegC ambient.

8. Ground Rings: Required

9. Temperature Monitoring:

a. 100 Ohm Platinum – Dual Element RTD

b. Temperature range: -50 to 260°C (-58 to 500°F).

c. Case: Stainless steel.

d. Babbitt tip: Factory applied babbitt tip.

e. Leads: Stranded copper with PTFE insulation; stainless steel over-braid

f. Locations:

1) Motor Windings, 2 per phase

2) Motor Case

g. Terminal box

2.5 MAINTENANCE MATERIALS

A. Extra Materials:

1. Furnish the Owner the following extra parts for each pump service category:

a. Wearing rings: One set.

b. Mechanical Seal: One unit.

PART 3 - EXECUTION

3.1 INSTALLATION

A. See Section 43 21 00.

B. Install products in accordance with manufacturer's instructions.

3.2 FIELD QUALITY CONTROL

A. See Section 43 21 00.

END OF SECTION