October 2012 - 2 - ME 11215 Rev 0

SPECIFICATIONS ME-11215

HORIZONTAL AXIALLY SPLIT CENTRIFUGAL PUMPS

PART 1 GENERAL

1.01 THE REQUIREMENT

A. It is required that there be furnished to the Metropolitan Water District of Southern

California (Metropolitan), equipment and documentation in accordance with these

specifications and attachments. Types and quantities are set forth in the Request for

Bid. Installation is not a part of this contract.

B. All equipment furnished shall be new and unused and shall be subject to this

specification.

C. Refer to Data Sheet ME-11215 for additional requirements.

D. In the event of a conflict between the text of this specification and the references cited

herein, the text of this specification shall take precedence.

1.02 DEFINITIONS

A. The word DISTRICT or MWD or METROPOLITAN shall mean the Metropolitan

Water District of Southern California.

B. The word BIDDER shall mean the firm that submits a bid to perform the work and /or

furnish the equipment required by this specification.

C. The word CONTRACTOR shall mean the party of the second part entering into

contract with Metropolitan for the performance of work required by these

specifications, and the legal representatives of said party, or the agent appointed to act

for said party in the performance of the work. Said party is referred to throughout the

contract documents as if of the singular number and the masculine gender.

D. The word MANUFACTURER shall mean the firm that manufactures the equipment

required by this specification.

E. Terminology pertaining to pumping unit performance and construction shall conform

to the ratings and nomenclature of the Hydraulic Institute Standards.

1.03 REFERENCES

A. General

1. The publications listed below form a part of this specification to the extent

referenced herein.

2. Where a date is given to the reference standards, that edition shall be used. Where

no date is given for reference standards, the latest edition available on the date of the

Notice Inviting Bids shall be used.

B. ABMA - American Bearing Manufacturers Association

1. 9 - Load Ratings and Fatigue Life for Ball Bearings

2. 11 - Load Ratings and Fatigue Life for Roller Bearings

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C. AISI - American Iron and Steel Institute

1. 1045 - Carbon Steel.

D. API - American Petroleum Institute

1. Std 610 - Centrifugal Pumps for Petroleum, Petrochemical and Natural Gas

Industries

E. ASME - American Society of Mechanical Engineers

1. B15.1 - Safety Standard for Mechanical Power Transmission Apparatus

2. B16.42 - Ductile Iron Pipe Flanges and Flanged Fittings

3. B16.5 - Pipe Flanges and Flanged Fittings

4. ASME Section VIII, Div.1 Rules for Construction of Pressure Vessels

5. ASME Section IX, Welding and Brazing Qualifications

F. ASTM – American Society for Testing and Materials

1. A105 - Standard Specification for Carbon Steel Forgings for Piping Components

2. A106 - Standard Specification for Seamless Carbon Steel Pipe for High-

Temperature Service

3. A182 - Standard Specification for Forged or Rolled Alloy-Steel Pipe Flanges,

Forged Fittings, and Valves and Parts for High-Temperature Service

4. A193 - Standard Specification for Alloy-Steel and Stainless Steel Bolting Materials

for High-Temperature Service

5. A194 - Standard Specification for Carbon and Alloy-Steel Nuts for Bolts for High-

Pressure and High-Temperature Service

6. A216 - Standard Specification for Carbon-Steel Castings Suitable for Fusion

Welding for High-Temperature Service

7. A240 - Standard Specification for Chromium and Chromium-Nickel Stainless Steel

Plate, Sheet, and Strip for Pressure Vessels and for General Applications

8. A266 - Standard Specification for Carbon Steel Forgings for Pressure Vessel

Components

9. A269 – Standard Specification for Seamless and Welded Austenitic Stainless Steel

Tubing for General Service [Referenced in 2.05.N.2]

10. A276 - Standard Specification for Stainless Steel and Heat Resisting Bars and

Shapes

11. A312 - Standard Specification for Seamless and Welded Austenitic Stainless Steel

Pipe

12. A351 - Standard Specification for Austenitic Steel Castings for High Temperature

Service

13. A380 - Standard Practice for Cleaning, Descaling, and Passivation of Stainless Steel

Parts, Equipment, and Systems

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14. A395 - Standard Specification for Ferritic Ductile Iron Pressure-Retaining Castings

for Use at Elevated Temperatures

15. A434 – Standard Specification for Steel Bar, Alloys, Hot-Wrought or Cold-

Finished, Quenched and Tempered [Referenced in 2.05.D.1]

16. A479 - Standard Specification for Stainless Steel Bars and Shapes for Use in Boilers

and Other Pressure Vessels

17. A516 - Standard Specification for Pressure Vessel Plates, Carbon Steel, for

Moderate- and Lower-Temperature Service

18. A536 - Standard Specification for Ductile Iron Castings

19. A576 - Standard Specification for Steel Bars, Carbon, Hot-Wrought, Special

Quality

20. A743 - Standard Specification for Castings, Iron-Chromium, Iron-Chromium-

Nickel, Corrosion-Resistant, for General Application

21. A744 - Standard Specifications for Castings, Iron-Chromium-Nickel, Corrosion-

Resistant, for Severe Service

22. B584 - Standard Specification for Copper Alloy Sand Casing for General

Applications

G. AWS – American Welding Society

1. D1.1 – Structural Welding Code-Steel [Referenced in 2.05.J.3]

2. D10.12 – Guide for Welding Mild Steel Pipe [Referenced in 2.05.J.3.b]

H. HI - Hydraulic Institute

1. 1.1-1.5 - Standards for Centrifugal Pumps

2. 9.6.4 - Rotodynamic Pumps for Vibration Measurements and Allowable Values.

I. Institute of Electrical and Electronics Engineers (IEEE)

1. IEEE 85 – Test Procedure for Airborne Sound Measurements on Rotating Electric

Machinery

2. IEEE 112 – Standard Test Procedure for Polyphase Induction Motors and

Generators

3. IEEE 841 – Standard for Petroleum and Chemical Industry-Severe Duty Totally

Enclosed Fan-Cooled (TEFC) Squirrel Cage Induction Motors - Up to and Including

370 kW

J. ISO – International Standards Organization

1. 9001 – Quality System, Model for Quality Assurance in Design/Development,

Production, Installation and Servicing.

K. NEMA – National Electrical Manufacturers Association

1. NEMA MG 1 - Motors and Generators

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L. NSF International

1. 61 - Drinking Water System Components – Health Effects

M. UL - Underwriters Laboratories Inc.

1.04 QUALIFICATIONS OF BIDDER

A. A bidder, in order to qualify, shall have designed and manufactured equipment or shall

offer to furnish equipment of a manufacturer who has designed and manufactured

equipment which is in successful operation for a period of not less than five years in

North America and which is comparable to the equipment required by this specification.

Equipment presented as comparable shall be comparable in size, duty, severity of

service, and complexity of design.

B. Qualification information shall be made available to Metropolitan upon request and

shall include a bidder’s experience in the design and manufacture of equipment

comparable to that proposed to be furnished or, in the event he proposes to furnish

equipment not manufactured by himself, information regarding the manufacturer's or

manufacturers' experience in the design and manufacture of equipment comparable to

that proposed to be furnished. Equipment presented as comparable shall be comparable

both in size and severity of duty.

C. Proof of design documentation shall be made available to Metropolitan upon request.

1.05 QUALITY ASSURANCE

A. The Contractor shall ensure that the pump manufacturer is actively controlling and

supervising the design, machining, fabrication, assembly and testing processes

whenever it is using its own facilities or subcontracted facilities in the design,

machining, fabrication, assembly and testing of the pump.

B. The Contractor shall submit a project-specific Quality Assurance Plan (QAP) to

Metropolitan for approval. The QAP shall be in accordance with ISO 9001. All

aspects of design, manufacturing and testing of the gate shall be covered by the

project-specific QAP. Additionally, the plan shall address how the Contractor plans

on ensuring that its manufacturers and suppliers are adhering to the requirements of

the specifications and the QAP.

C. The Contractor, its manufacturers and suppliers shall adhere to the QAP approved by

Metropolitan, and shall maintain complete records for tracing materials, products, and

manufactured parts to their origins.

D. At all times during business hours, Metropolitan shall have access to the offices and

places of manufacture of the Contractor and its manufacturers and suppliers for the

purposes of auditing the QAP.

E. The Pump manufacturer, for the machining and fabrication, shall utilize facilities that

have experience in machining and fabrication of similar or larger size articles and has

experience with complex fabrications requiring maintenance to specified tolerances

and welding to ASME Boiler Code.

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1.06 LIQUIDATED DAMAGES

A. Liquidated damages will apply only if set forth in the Request for Bid and Purchase

Order. If the Contractor fails or refuses to make delivery of all items listed on the

purchase order within the time stipulated.

1.07 GUARANTEE

A. The Contractor shall guarantee that the complete assemblies furnished hereunder shall

be free from defects in material and workmanship and in all respects satisfactory for the

service required. Metropolitan will test the equipment under actual operating

conditions, and the Contractor further guarantees the satisfactory performance thereof

under such conditions for a minimum period of one year of service, but not to extend

beyond two years, after completion of delivery of the equipment.

B. Equipment found to be defective during the guarantee period will be returned to the

Contractor for replacement or repair. A satisfactory replacement or repaired unit, free of

defects, shall be returned to Metropolitan within 60 days.

C. Equipment failing to meet any requirement of the specification shall be considered

defective. Metropolitan reserves the right to make reasonable use of such equipment,

provided it can be operated without injury to Metropolitan, until it can be removed from

service for replacement or correction of defects.

D. Pump shall be guaranteed to perform as specified and as indicated by the approved

performance curves. Pump shall be guaranteed to operate under all specified

conditions without pitting, cavitation, excessive vibration, or noise. The following

shall be guaranteed:

1. Capacity and head at the design point.

2. Efficiency at design point.

3. Pumping units shall operate within the specified range of head and flow without

excessive vibration, cavitation, noise, or overheating as determined by

Metropolitan. Overall vibration measured shall not exceed maximum allowable

specified in HI 9.6.4

4. Horsepower input at the design point, and maximum horsepower requirement at

pump run-out conditions.

5. Ability to operate under all specified conditions.

6. The first critical speed shall occur at minimum 20 percent above the pump

maximum operating speed.

7. Pump vibration level field measured at the motor upper bearing housing shall not

exceed the limit value in the HI standard. Supplier shall furnish the necessary

equipment and shall field test the vibration of the installed pump and motor per HI

standard .The supplier shall review the entire pump installation, piping

arrangement, mounting pads, and general field conditions to insure that the

installed unit is designed to conformed to and not exceed the HI vibration limit. If

the field measured vibration level at the motor upper bearing housing is in excess

of HI upper limit, the unit shall not be accepted.

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1.08 DRAWINGS AND DATA REQUIRED OF BIDDER

A. The bidder shall submit with his bid sufficient information to enable Metropolitan to

evaluate the equipment offered. The submittal shall include, but not be limited to,

two sets each of the following:

1. Manufacturer's data and specification sheets.

2. An outline drawing of the equipment showing approximate overall dimensions and

limiting space requirements.

3. Pump curve and motor information for each pump.

4. Completed Data Sheet ME-11215

5. Bill of Material, including all seat and seal material.

6. Pump materials of construction

B. Any drawings, design, descriptions, or other data submitted pursuant to the provisions

of this section shall conform to the requirements of these specifications, and nothing so

submitted shall relieve the bidder of his obligation, in the event of award, to furnish

equipment conforming to these specification requirements.

C. Failure to submit this information may be cause for rejection of any bid.

D. Metropolitan may request additional documentation to confirm proof of design. Failure

to provide requested documents within 10 days may be cause for rejection of bid.

1.09 DRAWINGS AND DATA REQUIRED OF CONTRACTOR

A. Materials and products that are in contact with potable water or water which may be

treated for use as potable water shall be ANSI/NSF 61 certified for use in potable

water applications. Certification shall be provided by an NSF-approved testing

laboratory. Where no material or product requiring NSF 61 certification is available,

the Contractor shall provide documentation in their submittal supporting that fact, and

shall propose only materials or products that otherwise meet the technical

specifications for review and approval by the Engineer.

B. Within 30 calendar days after receipt of purchase order, the Contractor shall submit to

Metropolitan (MWD) at P.O. Box 54l53, Los Angeles, California 90054, for approval,

six copies of drawings and data for all of the equipment to be furnished on the purchase

order. Equipment test reports shall be submitted within 14 calendar days after testing,

or 14 calendar days prior to shipment, whichever is sooner.

C. IOM manuals, complete with installation, operation, and maintenance instructions, all

submittal drawings, and spare parts list of each item of equipment to be supplied shall

be furnished to Metropolitan in Los Angeles, California, in the quantities set forth in the

Request for Bid at least 14 calendar days before the time of shipment.

D. Required documents shall be submitted in complete sets so that sufficient information

will be available for checking. Documentation shall be in the English language and

shall include English units. Documents shall also include MWD Purchase Order

number, MWD Tag number (if applicable), equipment manufacturer, model number,

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capacity, size, and weight. Drawings and data submitted without complete information

will be returned without approval.

E. Within 2l calendar days after receipt of drawings and data, Metropolitan will transmit

one copy of each to the Contractor, marked either "Returned for Revision", “Reviewed

– No Corrections Noted”, "Approved", or "Approved as Revised". In the last case, all

revisions will be shown on the returned copy, which shall be considered as an approved

drawing, and only approved drawings shall be used for fabrication.

F. Within 21 calendar days after receipt of drawings and data marked “Returned for

Revision” or “Approved as Revised”, the Contractor shall resubmit the documents

incorporating the comments.

G. Revisions shown on the drawings and data necessary to meet the requirements of the

specifications shall not be taken as the basis of claims for extra charges. The

Contractor shall accept such revisions or submit others for approval. When delay is

caused by the resubmission of details, the Contractor shall not be entitled to any

damages or extension of time on account of such delay.

H. Electronic Submittal. Two weeks prior to shipment, one clear, legible, PDF (or other

approved format) output file of each document shall be forwarded to Metropolitan in

Los Angeles, California. Each file name shall include the drawing # and drawing

name. The files may be transmitted either by copying to CD-ROM or other MWD

approved electronic media, or transmitted electronically to Metropolitan by an agreed

upon method (e-mail, FTP, etc.). Each drawing shall have its own file. Multi-page

documents, such as reports, shall have their own file. Prior to submitting, the

Contractor shall contact Metropolitan as to the software revision of the output files

that are currently acceptable to Metropolitan. It may be necessary for the Contractor

to save the files in an older version format to accommodate Metropolitan.

I. Approved or “As built” printed copies of drawings shall be included in the IOM

manuals.

J. Receipt of complete and satisfactory documentation is required before Metropolitan can

consider all items received and the purchase order complete.

K. Submittals shall include:

1. Shop Drawings:

a. Certified outline drawing of the equipment assembly showing approximate

overall dimensions, weight, required clearances, details such as baseplate

drawing with leveling jackscrew, anchor bolt, minimum leveling requirement

including alignment tolerance, piping connection and sizes, including flush

piping plan.

b. Assembly and installation drawings including shaft size, seal, coupling,

bearings, anchor bolt plan, parts nomenclature, and materials of construction

lists. Assembly drawing shall include the manufacturer's recommended

alignment tolerances. Material lists shall include ASTM numbers and specific

grades.

c. Pump cross-sectional drawings showing materials of construction.

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d. Detailed dimensional drawing of the stuffing box and packing or the

mechanical sealing arrangement

e. Detailed dimensional drawing of bearing and bearing housing.

f. Detail drawing of the coupling and coupling guard.

g. Required components, such as pressure gauges, flush piping, etc.

h. Cross-sectional assembly drawing details of the stuffing box and packing or

the mechanical sealing arrangement, including the material of construction.

Material lists shall include ASTM numbers and specific grades.

i. Pump barrel or can suction (if applicable).

j. Dimensional drawing of motor

k. Power and control wiring diagrams, including terminals and numbers

l. Complete motor nameplate data, as defined by NEMA, motor manufacturer,

and including any motor modifications.

m. Limits of lining and coating on surfaces on the drawings, including the coating

system per Specification ME-09900, Painting for ME-Specified Equipment.

2. Descriptive bulletins and data for motors including:

a. Rated horsepower, voltage, full load current, kVA code, and locked rotor

current at rated voltage.

b. Frequency and number of phases.

c. Motor connection diagram.

d. Service factor, design duty, insulation class, and temperature rise by

resistance.

e. Ambient temperature and altitude ratings.

f. NEMA design class.

g. Nominal and full load speed.

h. Full description of motor insulation system

i. Bearing and lubrication system design data including bearing size, rated life,

temperature heat rise, and lubrication details.

j. Special features (e.g., space heaters, temperature detectors, vibration

transducers, etc.) that are provided as auxiliary equipment with the motor.

Provide motor connection drawings that include all accessories.

3. Pickling and passivation procedures in accordance with ASTM A380.

4. Pump data sheets, appended to this section, with vendor supplied information

filled in for approval.

5. Adjustable speed drive (ASD) specification, data sheet and configuration

information, when ASD is specified on Data Sheet.

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6. Certified pump performance curves to satisfy the specified design conditions,

showing pump characteristics of discharge head, brake horspoewer, efficiency and

guaranteed net positive suction heat required (NPSHR). When variable speed

drivers are specified, pump performance curves shall be submitted for rated

impeller diameter at 10 percent increments from maximum rpm to minimum rpm.

Minimum rpm shall be no less than that required to obtain minimum flow. Curves

shall show the full recommended range of performance and include shut-off head.

This information shall be prepared specifically for the pump proposed. Catalog

sheets showing a family of curves will not be acceptable.

7. Lifting Lug Calculations.

8. Design reports of lateral, torsional vibration analyses and seismic calculation.

9. Welding Procedures:

a. Welding Procedure Specifications (WPSs)

b. Welding Procedure Qualification Records (PQRs)

c. Welder Performance Qualifications (WPQ) for welders and welding operators

to be employed on the work

d. Weld Maps

e. Non-Destructive Testing (NDT) Procedures

f. Weld Repair Procedures (if allowed by Metropolitan)

10. Procedure for shop hydrostatic testing shall be submitted 60 working days prior to

start of tests.

11. Factory performance and shop operational tests procedures.

12. Test Reports:

a. When specified on the pump data sheet, mill-test certificates for casing,

impellers, and shafting or other components.

b. Pump performance-test reports, including test data and performance curves.

c. Motor-test reports.

d. Hydrostatic-test reports.

e. “As Built” pump data sheets.

f. Certificate of Compliance

13. In the event of a factory test failure requiring the disassembly and reassembly of

the equipment, Manufacturer shall provide detailed shop fabrication drawings

showing assembly details, materials of construction, bills of material, etc. to

Metropolitan's inspector upon request.

14. Coating and lining submittals shall be in accordance with Specification ME-

09900, “Painting for ME-Specified Equipment.”

15. Field Performance Test Procedure.

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16. Spare Parts

a. The Contractor shall obtain from the equipment manufacturers a list of

suggested spare parts for all items subject to wear, such as seals, packing,

gaskets, nuts, bolts, washers, wear rings, and bearings. As a minimum, the list

shall contain the spare part items listed herein.

17. The Contractor shall obtain from the equipment manufacturer the following:

a. Certification that product is suitable for contact with drinking water by an

accredited certification organization in accordance with NSF 61.

b. Manufacturer’s Certification of Compliance that factory finish system is

identical to requirements specified herein.

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

d. Manufacturer’s printed installation instructions.

e. List special tools, materials, and supplies furnished with equipment for use

prior to and during startup and for future maintenance.

f. Manufacturer’s Certificate of Proper Installation.

18. Installation, operations and maintenance manuals.

1.10 INSTALLATION, OPERATION, AND MAINTENANCE (IOM) MANUALS

A. IOM manuals shall be specifically written for, and directly relevant to the equipment

furnished. Manuals that include more than one model of equipment shall be modified

to identify only data for the model furnished. Each sheet shall be marked to identify the

part or product included in the contract using appropriate references from the contract

documents. Information that is not applicable shall be deleted or clearly marked out.

Manuals containing surplus, immaterial, unidentified, and irrelevant information will be

rejected.

B. The text shall be organized in a consistent format under separate headings for different

procedures. A logical sequence of instructions shall be provided for each operations

and maintenance procedure.

C. IOM manuals shall use heavy-duty binders. Each binder shall be identified on the front

and spine with the title “Installation, Operation, and Maintenance Manual,” together

with the project title or name, and equipment title. When two or more volumes are

necessary, each binder shall also be clearly identified with a volume number.

1. Dividers with tabs shall be provided for each section. Each tab shall be marked with

the section number and title.

2. Clear plastic pocket sheets shall be provided to receive small items or large folded

drawings.

D. Digital copy: In addition to the hardcopy, provide a CD containing all the information

within the final approval version of the IOM in PDF format. The information shall be

formatted and organized the same way as the hard copy.

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E. Content: IOM manuals shall include the following contents:

1. Title Page: A title page with the following information shall be provided as the first

sheet of each manual or each section of the manual.

a. Project Name and installation address (if known)

b. MWD Purchase Order number

c. MWD Equipment Tag number (If shown on P.O.)

d. Name and address of manufacturer

e. Model number

f. Serial number of each equipment

g. Date of submittal

2. Table of Contents: After the title page, for each volume.

3. The following information shall be included for each major component of the

equipment and controls.

a. General system or equipment description

b. Storage instructions

c. Installations instructions

d. A copy of all approved or “as-built” submittals pertaining to the system and

equipment

e. Reproducible prints of shop drawings including diagrams, wiring diagrams, and

schematics

f. Operation instructions

g. Tabulation of proper settings for equipment and related instruments and controls

h. Emergency and safety instructions

i. Inspection and test procedures

j. Special tools, accessories, or instrumentation needed for proper operation,

testing, or servicing of the equipment

k. Preventive maintenance procedures and schedules

l. Precautions against improper use and maintenance

m. Lubrication schedules, including lubricant grade and type, temperature range of

lubricants, and frequency of required lubrication

n. Spare Parts. Complete parts list by generic title and identification number, with

exploded views of each assembly. The manufacturer’s recommended spare

parts listing annotated with indications of parts furnished as part of this contract

shall be included. The spare parts listing shall also include the name and

location of nearest supplier of spare parts and sources of required maintenance

materials and related service.

o. Recommended trouble shooting and startup procedures

p. Disassembly and reassembly instructions

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q. Repair instructions

r. Marking and match-marking information, that shall be referenced in the repair

instructions and parts lists

s. Nameplate locations, including metric bolting warning plate locations

t. Warranty or warranties.

1.11 INSPECTION

A. Upon request by Metropolitan, the Contractor shall submit a manufacturing schedule.

B. The Contractor shall give Metropolitan or Metropolitan's representative access to all

Contractor and sub-Contractor facilities, during working hours, as is reasonable and

necessary to determine the equipment to be supplied conforms to design, including

specifications and drawings. Metropolitan or Metropolitan’s representative shall be

allowed to observe all manufacturing processes. The Contractor and sub-Contractors

shall furnish all the necessary apparatus, labor, and other facilities for the safe and

convenient performance of inspections without cost to Metropolitan.

C. When requested by Metropolitan, the Contractor shall furnish Metropolitan additional

information as may reasonably be required regarding the character of the materials and

the progress of their procurement, including copies of invoices, bills of lading, and

shipping lists on all articles and materials for use on the work.

D. Unidentified materials shall not be used in Contractor’s work, including work by sub-

Contractors.

E. If witnessing of a test by Metropolitan is required in the Purchase Order, the test shall be

considered a Hold Point, unless waived by Metropolitan, and the Contractor shall notify

Metropolitan of the test, two (2) weeks prior to the test. If equipment is not ready at

time of scheduled testing, Metropolitan reserves the right to charge the Contractor for

any additional cost incurred.

F. Neither inspection, waiving of inspection, nor Metropolitan's acceptance of the

equipment shall relieve the Contractor of his obligation to furnish equipment in

accordance with the specifications and drawings.

G. No equipment shall be shipped until all test reports and certifications have been

approved by Metropolitan.

1.12 SAFETY REQUIREMENTS

All equipment furnished under the contract shall comply with the safety orders of the

Division of Industrial Safety of the State of California.

1.13 MARKING

A. All parts subject to disassembly prior to shipment shall be marked for identification and

match marked. Match marking information shall be submitted in the IOM.

B. Each individual piece of equipment shall bear a stainless steel nameplate attached with

stainless steel screws, upon which there shall be engraved the following information:

1. Manufacturer's name or trademark

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2. Manufacturer's serial number

3. Metropolitan tag number (If shown on P.O.)

4. Metropolitan Purchase Order number

5. Equipment size and pressure rating

C. Stainless steel warning plates shall be attached with stainless steel screws to the

equipment at all locations where metric bolting is used. Each plate shall have engraved

on it a warning that metric bolting is used at the location identified on the plate.

D. After the equipment has been prepared for shipping, each shipping unit shall be plainly

marked by stencil or equivalent with the purchase order number, the item number, the

tag number, and the weight.

E. Nameplates shall also be provided for identification of all panel-mounted devices and

all enclosures. Nameplates shall be 3/32-inch thick, black and white, laminated bakelite

with engraved inscriptions. The letters shall be white against a black background, sized

and inscribed to suit the designations to be submitted to Metropolitan for review. Edges

of the nameplates shall be beveled and smooth. Nameplates with chipped or rough

edges will not be acceptable. Dials, gauges, and nameplates shall be marked with the

nomenclature and units of measure used in the English units (foot, pounds, second) and

a schedule of such marking shall be submitted to the Metropolitan for review.

1.14 PREPARATION FOR SHIPMENT

A. The Contractor shall prepare all equipment for shipment in such manner as to protect it

from damage in transit, and shall be responsible for and make good any and all damage

due to improper preparation or loading for shipment.

B. All equipment shall be securely boxed and prepared for long-term outdoor storage of up

to 2 years.

C. All equipment shall be securely boxed or crated, or mounted on pallets and supported in

a manner, which will prevent damage during shipment and subsequent storage.

Equipment shall be packaged so as not to rub or contact other equipment.

D. After equipment has been prepared for shipping, each shipping unit shall be plainly

marked by stencil or equivalent with the contract number, the schedule and item

number, the piece mark number, weight, lifting points, and center of gravity.

E. When it is necessary to disassemble components for shipping, all uncoated machined

surfaces to be exposed in such disassembly shall be coated with a suitable, easily

removable, rust-preventive compound before shipping.

F. Equipment subject to deterioration due to moisture and dust shall be enclosed in heavy-

duty, polyethylene envelopes together with dehumidifiers, to provide complete

protection.

G. All threaded openings shall be plugged or capped with adequate thread protectors. All

exposed process flanges shall have a plywood or equivalent type shipping cover,

fabricated to match flange size and firmly attached to flange, to exclude foreign matter

and prevent flange face damage.

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H. In addition to the shipping list, the Contractor shall securely attach one packing list to

each shipping container.

I. On the day a shipment is made, the Contractor shall notify Metropolitan in Los Angeles,

California, by fax of the shipment, giving the routing number, the bill of lading number,

the freight bill number, the name of the carrier or shipping agency, the number of the car

or trailer, a list of items shipped, the total weight of the shipment, and the weight of the

heaviest box, crate, or skid. The list of items shipped shall include the purchase order

item number, serial number, and tag number for each item.

J. The bill of lading and complete shipping list shall be forwarded to Metropolitan in Los

Angeles, California, immediately upon shipment of each lot of equipment.

PART 2 DESCRIPTION OF EQUIPMENT

2.01 GENERAL

A. The contractor shall furnish equipment in accordance with these specifications, data

sheets, drawings, RFB, and P.O.

2.02 MANUFACTURERS

A. Materials, equipment, and accessories specified in this section shall be products of

below manufacturers, modified to comply with the requirements specified herein:

1. Flowserve Worthington

2. Peerless Pumps

3. Goulds Pumps

4. Or equal.

2.03 MATERIALS

A. Pump materials of construction shall be as listed on the pump data sheet and as

specified herein. Where component material is not specifically specified herein, the

following material specifications are acceptable.

B. Carbon Steel

1. Pressure Castings: ASTM A216 Grade WCB

2. Wrought/Forgings: ASTM A266 Class 2

3. Bar Stock: ASTM A576 Grade 1045

4. Plate: ASTM A516 Grade 65/70

5. Pipe: ASTM A106 Grade B or A53 Grade B, Minimum thickness shall be STD

wall.

6. Fittings: ASTM A105

C. Stainless Steel

1. Pressure Castings: ASTM A351 Grade CF3M; ASTM A743 Grade CF3M or

CF8M; ASTM A744 Grade CF3M

2. Wrought/Forgings/Fittings: ASTM A182 Grade F316L

October 2012 - 16 - ME 11215 Rev 0

3. Bar Stock: ASTM A479 Type 316L

4. Plate: ASTM A240 Grade 316L

5. Pipe: ASTM A312 Type 316L

D. Ductile Iron Castings: ASTM A395 Grade 60-40-18 or ASTM A536 Grade 60-40-18

E. Bronze Castings: ASTM B584 Grade 4A CA 836

2.04 DESIGN REQUIREMENTS

A. The performance requirements of the pumps shall be as specified in the attached data

sheets.

B. Pumps shall be selected where flow at rated point is within 10% of flow at Best

Efficiency Point for a given impeller casing combination. Refer to pump Data Sheet for

required pump efficiency.

C. Pumps having impeller diameters larger than 95 percent of the published maximum

impeller diameter or less than 15 percent larger than the published minimum diameter

will be rejected.

D. Pumps shall have continuously rising head from maximum flow to shut-off with no

areas of instability. Where parallel-pump operation is indicated, pumps selected shall

have characteristics specifically suitable for the service without unstable operation.

E. Pumps operating in parallel shall have a minimum head rise from rated flow to shut-off

of 10 percent. Flow rates for pumps operating in parallel shall match within 4 percent at

any head throughout the operating range specified on the pump data sheet.

F. Required NPSH shall be less than the available NPSH by no less than 3 feet.

G. Pump impeller assemblies shall be statically and dynamically balanced per HI standards.

Certified Shop Balancing Report shall be submitted for Metropolitan review.

H. Pumps of the same duty condition, classification and accessories, or with specified

accessory deviation, shall be identical and the product of one manufacturing source.

I. Where Adjustable Speed Drives (ASD) are required, the Contractor shall furnish a

coordinated operating system complete with pump, drive, and speed controller. The

Contractor shall coordinate pump and motor requirements with ASD manufacturer and

be responsible for torsional vibration analysis for the operating speed ranges.

J. Critical Speeds:

1. Pump and motor assembly unit shall have first natural frequency 20 percent above

maximum operating speed.

2. Fundamental critical speed of rotating assembly shall be at minimum 20 percent

above maximum operating speed.

2.05 PUMP CONSTRUCTION

A. Casing

1. Pump casings shall be designed for a minimum working pressure of not less than

185 pounds per square inch gauge (psig) at 100° F. Casings shall be of the volute

type (single or double) and designed to produce a smooth flow with gradual changes

October 2012 - 17 - ME 11215 Rev 0

in velocity. Casings with flanged piping connections shall conform to ANSI/ASME

B16.42 and B16.5.

2. Casings shall be cast ductile iron ASTM A395 Grade 60-40-18 or ASTM A536

Grade 60-40-18 unless otherwise specified on Data Sheet.

3. An arrow showing direction of shaft rotation shall be cast or permanently attached

conspicuously on the pump casing. Casing shall have tapped openings for air

venting, priming, draining, and suction and discharge gages. A vent cock shall be

furnished for venting except where automatic air vents are indicated. Drain openings

in the volute, intake, or other passages capable of retaining trapped water shall be

located in the low point of such passages.

4. Casing shall be split on the horizontal center line with the suction and discharge

nozzles and casing feet cast integrally with the lower casing half. The interior of the

pump shall be easily inspected by removing the upper half of the casing. This shall

be done without disturbing the pipe connections or pump alignment.

5. The flanges between the halves shall be sealed by a pre-cut gasket. The upper and

lower halves of the casing shall be accurately located by the use of straight dowel

pins to eliminate mismatch between the upper and lower halves which would impair

both hydraulic and mechanical performance.

6. The casing shall be hydrotested to one and one half times the working pressure;

suction and discharge nozzles shall contain drilled and tapped gage connections.

7. Casing construction shall be such that packing seals may be substituted in the field

for mechanical seals without machining.

8. Packing-box depth shall accommodate not less than five rings of square packing,

lantern ring, and throttling bushing.

B. Flanges

1. Flat face flanges connecting to Metropolitan piping/equipment shall have a V-

serrated finish of 32 serrations per inch with a depth of 1/64” across the entire face

of the flange. Serrations may be concentric or phonographic. A blanchard ground

surface is not acceptable.

2. Raised face flanges shall be 125-250 RMS finish.

3. All flanges shall be flat face, unless otherwise noted on data sheet.

C. Impellers

1. Impellers shall be cast stainless steel ASTM A351 Grade CF3M, unless specified

otherwise on the data sheet.

2. Impeller shall be double-suction enclosed type and firmly secured to the shaft by a

key positioned by shaft sleeves and both locked in place by shaft sleeve locknuts

external to the stuffing box.

3. Impeller shall be hydraulically balanced by its inherent design.

October 2012 - 18 - ME 11215 Rev 0

D. Shaft

1. Unless specified otherwise on the data sheet, the shaft shall be stainless steel ASTM

A276, Type 316, heat-treated steel, machined to accurate dimensions and polished

to a smooth surface. If pump design does not allow fluid to come in contact with

shaft, the shaft material may be carbon steel ASTM A434 Class BC Grade 4140 or

ASTM 576 Grade 1045.

2. Shaft shall have the same nominal diameter from one shaft sleeve locknut to the

other to minimize fatigue failure due to stress concentration.

3. Shaft shall be adequately sized and designed to minimize deflection. Maximum total

shaft dynamic deflection measured at pump-seal face shall not exceed 0.002 inch,

under shutoff-head operating conditions.

E. Shaft Sleeves

1. Replaceable shaft sleeves shall protect the shaft at the stuffing boxes. Unless

specified otherwise on the data sheet, shaft sleeves shall be stainless steel ASTM

A276, Type 316, hard-faced under the packing with a Brinell hardness not less than

500.

2. Sleeves shall extend through stuffing box and shall be secured in a lateral position

by external shaft nuts. Impeller keys shall extend into the hub of the shaft sleeves.

3. Sleeves shall be and securely keyed and held in place with shaft nuts incorporating

set screws for locking purposes. Sealing to protect against leakage under the shaft

sleeves shall be with “O” rings at the shaft outer diameter.

F. Packing Seals

1. Shaft seal shall be stuffing box packing or mechanical seal as indicated in the pump

data sheet.

2. Stuffing box shall meet the following requirements:

a. Include taps to permit introduction of seal liquid.

b. Hold a minimum of five rows of packing and a lantern ring and a throat bushing.

c. Runout of the face of the stuffing box shall not exceed 0.002 inch total indicator

reading when indicated from the shaft.

d. Box and shaft shall be suitable for field installation without machining or other

modifications of mechanical seal outlined herein for applicable pump and

operating conditions.

e. Stuffing boxes exposed to below atmospheric pressure at any operating

condition, including starting, shall be provided with a water seal. Water seal

shall consist of Type 316L stainless steel lantern ring or a seal cage and required

connections to the pump case.

3. Packing rings shall meet the following requirements:

a. Packing shall be square, braided, Teflon (PTFE) impregnated type, Garlock

Style 8921, Chesterton Style 1735, or equal.

October 2012 - 19 - ME 11215 Rev 0

b. Packing shall consist of five rows of PTFE impregnated braided fiber, or five

die-molded rings of braided PTFE material.

c. Glands shall be of two-piece split construction to fit impeller end packing.

G. Mechanical Seals

1. Mechanical seals shall be balanced or unbalanced as necessary to conform to

specific service requirements. Further, mechanical seals shall be constructed in a

manner and of materials particularly suitable for the temperature service range and

liquid being pumped.

2. Seal construction shall not require external source cooling for pumped fluid service

temperature up to 250° F. Mechanical seal materials shall be in accordance with

API 610 material codes specified on the pump data sheets.

3. Seal pressure rating shall be suitable for maximum system hydraulic conditions,

both positive and negative.

4. Throttling bushing shall be provided and shall have clearances to minimize leakage

in case of complete seal failure.

5. Mechanical seals shall not be subjected to hydrostatic test pressure in excess of the

manufacturer’s recommendation.

6. Mechanical seals shall be flushed with the pumpage unless otherwise indicated.

Flushing can be done internally or by piping/tubing from the pump discharge to the

seal gland.

7. Unless otherwise specified on Data sheet, acceptable products are as follows:

a. Unbalanced Seals: Durametallic, Type RO; John Crane, Type 8-1; or equal

b. Balanced Seals: Durametallic, Type PTO; John Crane, Type 8B-1; or equal

H. Bearings and Lubrication

1. Bearings shall be heavy duty, single row, deep-groove, ball type selected for the

mechanical and hydraulic radial and thrust loads imposed by any normal service

condition. Bearings shall have an L-10 rated life of not less than 30,000 hours or an

average life of 150,000 hours in accordance with ABMA 9 or ABMA 11. Shop

drawings shall bear manufacturer’s certification of bearing life.

2. Bearings shall be oil-flood lubricated. Oil sumps shall be fitted with 4-ounce

constant level sight oilers and low point sump drainage. Bearing housing size shall

be designed for oil-flooded lubrication. Design and size shall be adequate to ensure

temperature rise does not exceed lubricant temperature requirements at maximum

load conditions.

3. Bearing housings shall be self-aligning on metal-to-metal surfaces and shall totally

enclose bearings. Material shall be as shown on the equipment Data Sheet.

4. Bearing brackets shall be separate from the pump casing and accurately machined

and doweled to the casing.

5. Pump design shall allow the bearings to be removed without disturbing upper casing

for replacement of the bearings.

October 2012 - 20 - ME 11215 Rev 0

6. Bearing housing seal design shall be of the labyrinth type, designed to allow for no

perceptible oil leakage from the bearing housing during normal operating

conditions. Seal shall be Inpro or MWD-approved equal.

I. Flexible Coupling

1. Pump shaft shall be connected to the motor shaft through a spacer flexible disc type

coupling. The spacer length shall allow for pump maintenance without moving the

motor or disconnecting the pump suction and discharge piping. Coupling shall have

flexible stainless steel disc and be dynamically balanced. Coupling shall be Thomas,

Model DBZ-C or equal. Shop assembly drawings shall indicate the recommended

alignment of the pump, motor and coupling.

2. All electric motor couplings shall have a service factor 1.5 or greater. Other driver’s

service factors shall be in accordance with the coupling manufacturer’s

recommendations.

J. Coupling Guard

1. Coupling guard shall conform to ASME B15.1 and extend from the motor to the

bearing housing, but shall not be attached to either. The guard shall be bolted to the

baseplate.

2. CAL/OSHA-approved coupling guard shall be provided for all couplings.

K. Casing Feet and Baseplate

1. The casing feet shall be integrally cast with the lower casing and be immediately

adjacent to suction and discharge flanges in order to transmit any pipe strain loads to

the base and foundation.

2. The pump and driver shall be mounted on a common baseplate constructed of

structural steel perimeter frame, reinforced and cross braced internally with pipe or

rolled structural members, capped with 1/4-inch thick minimum steel plate, and

provided with adequate number of grout holes, grout air vents, drip rim, and drain

tapping.. Metal shims may be used to level pump or driver to mounting blocks but

shall not exceed 1/8” in total stacked thickness. Where a shim stack exceeds 1/8”, a

new block shall be welded to the base plate.

3. Except for the modifications set forth in this section, the welding of miscellaneous metals or articles fabricated from carbon steel shall be in accordance with AWS D1.1.

a. Electrodes for field welding shall not exceed 3/16 inch.

b. Welding of pipe or tubing shall be in accordance with the recommendations of AWS D10.12.

c. Runoff tabs shall be removed by hand flame-cutting or other means as close to the edge of the finished member as practical, followed by grinding to a smooth surface contiguous with the adjacent metal.

L. Pump Anchorage

1. All equipment shall be designed to withstand stresses caused by forces

simultaneously applied to the center of gravity of the equipment by accelerations

of 0.75g in any horizontal direction and 0.50 in either vertical direction.

October 2012 - 21 - ME 11215 Rev 0

M. Weldolet and Coupling

1. Couplings, weldolets, etc. attached to carbon steel fabrications shall be 316L.

Couplings shall be set-in and double fillet welded inside and out when accessible,

otherwise use full-penetration bevel weld.

N. Bolting

1. Wetted bolts, studs, and cap screws shall be stainless steel in accordance with

ASTM A193, Type 316 or 316N, Grade B8MA or B8MNA. Wetted nuts shall be

ASTM A194. Type 316 or 316N, Grade 8MA or 8MNA. Threads shall be coated

before assembly with an anti-galling lubricant certified by NSF for contact with

potable water.

2. For bolting in a continuously dry environment it is acceptable to use carbon steel

studs in accordance with ASTM A193, Grade B7 and nuts in accordance with

ASTM A194, Grade 2H.

O. Flush Piping

1. Stainless steel pipe shall be either seamless or welded austenitic stainless steel

pipe conforming to the requirements of ASTM A312, Grade TP316L.

a. Fittings in sizes 2 inches and smaller shall be socket weld joints conforming to

the requirements of ASTM A182, Grade F316L. No seal welding of threaded

joints will be allowed.

b. Stainless steel couplings and unions, in sizes 2 inches and smaller, shall be

socket weld 150 pound, conforming to the requirements of ASTM A403, Class

CR, Type 316L.

2. Flush piping may also consist of Type 316 stainless steel tubing.

a. Tubing shall be seamless austenitic stainless steel in accordance with the

requirements of ASTM A269, Type 316.

b. Tubing shall be 3/8” minimum, with the following wall thickness:

Tube Size (in.) Wall Thickness (in.)

3/8 through 5/8 0.065 (minimum thickness for all sizes)

3/4 through 7/8 0.083

1 0.095

1-1/4 through 1-1/2 0.134

2 0.188

c. Fittings for tubing shall be double-ferrule compression-type manufactured by

Swagelok Companies; Parker Hannifin Corporation; or equal, and have a

pressure rating equal or greater than the tubing.

P. Nameplates

1. Equipment Identification: Each individual piece of equipment shall bear a stainless

steel nameplate attached with stainless steel screws. The nameplate shall be

engraved with the following information:

a. Manufacturer’s name or trademark.

October 2012 - 22 - ME 11215 Rev 0

b. Manufacturer’s serial and model numbers.

c. Metropolitan’s Tag number.

d. Pump rated flow, head, HP, and RPM.

e. Maximum allowable working pressure and hydrotest pressure for the pump.

2.06 MOTORS

A. Unless otherwise specified in the driven equipment specifications, motors ½

horsepower and larger shall be 3-phase, squirrel cage induction type.

B. Unless otherwise specified in the driven equipment specifications, motor shall be

designed and connected for operation on a 480 volt, 3 phase, 60 hertz, alternating

current system. Dual voltage (230/460) rated motors are acceptable. Tri-voltage motors

are not acceptable.

C. Unless otherwise required by the load, all polyphase motors shall be NEMA Design B.

D. The motor shall have a brake horsepower output equal to or greater than the horsepower

required to operate the pump at any point on the head-capacity curve while pumping

liquid of the specific gravity specified on the data sheet. The motor service factor shall

not be used to meet this requirement.

E. The motor shall develop ample torque for its required service throughout its acceleration

range at a voltage 10 percent below nameplate rating.

F. Locked rotor kVA/HP shall not exceed Code Letter G as described in NEMA MG1 for

motors 20 HP and larger.

G. Unless otherwise specified in the driven equipment specifications, the motors shall be

continuous duty. Service factor shall be 1.15 at 50 degrees C for non-inverter fed

motors. For inverter-fed motors, service factor shall be 1.0 at 50 degrees C.

H. For three phase motors rated 1 horsepower and above, provide motors which are

classified as NEMA premium efficiency type per NEMA MG1. Motor nameplates shall

be marked as NEMA Premium Efficiency type.

I. Motor Windings

1. Motor windings shall be copper.

2. Winding insulation systems shall be Class B or Class F, operated at Class B

temperature rise and shall be manufacturer’s premium grade, resistant to attack by

moisture, acids, alkalies, and mechanical or thermal shock. Motors for outdoor

service shall have vacuum/pressure impregnated epoxy insulation for moisture

resistance.

J. Motor Bearings

1. Anti-friction bearings shall be designed to be regreasable and initially shall be filled

with grease suitable to ambient temperature of 40°C. Bearings shall be ABMA

Types BC or RN, heavy duty, or shall otherwise be shown to be suitable for the

intended application in terms of B-10 rating life, Class M3 or better.

2. All grease lubricated bearings, except those specified to be factory sealed and

lubricated, shall be fitted with easily accessible grease supply, flush, drain and relief

October 2012 - 23 - ME 11215 Rev 0

fittings. Extension tubes shall be used when necessary. Grease supply fittings shall

be button head type.

3. The bearing housings shall be provided with suitable seals to confine the lubricant

and exclude moisture and dirt.

K. An anti-reverse rotation device shall be provided.

L. Fan cooled motors used in adjustable speed operation shall be certified to meet the

temperature rise limitations of their classification at minimum speed to prevent

damage to winding insulation.

M. Nameplates - The motor manufacturer's nameplates shall be engraved or embossed on

stainless steel and fastened to the motor frame with stainless steel screws or drive

pins. Nameplates shall indicate clearly all of the items of information enumerated in

NEMA MG1-10.38 or MG1-20.60, as applicable

N. Condensation Heaters - Provide condensation heaters for all motors larger than 25

HP, unless specified differently under the detailed mechanical specifications, or as

shown on the drawings. Heaters shall be of the cartridge or flexible wrap around type

installed within the motor enclosure adjacent to core iron. Heaters shall be rated for

120 V, single phase with wattage as required. The heater wattage and voltage shall be

embossed on the motor nameplate. Power leads for heaters shall be brought out

through an auxiliary conduit box. Auxiliary box shall be cast iron for totally enclosed

machines.

O. Enclosures

1. Motors shall have a steel or cast iron frame, cast iron end brackets, and a cast iron

or stamped steel conduit box, as specified below. All motor frame dimensions

shall be in accordance with the latest revised NEMA standards. Conduit box shall

be split from top to bottom and shall be capable of being rotated to four positions.

Synthetic rubber-like gaskets shall be provided between the frame and the

conduit box and between the conduit box and its cover. Motor leads shall be

sealed with a non-wicking, non-hygroscopic insulating material. A frame

mounted pad with drilled and tapped hole, not less than 1/4-inch diameter, shall

be provided inside the conduit box for motor frame grounding.

2. Unless otherwise specified for harsh environments or hazardous locations, provide

general purpose totally enclosed fan cooled (TEFC) or totally enclosed non-

ventilated (TENV) motors for installation in all areas including dusty, dirty,

and/or humid environments within non-process areas of facility buildings or

within HVAC equipment enclosures rated as either NEMA 1, NEMA 12, NEMA

3R, NEMA 4, or NEMA 4X.

3. Motors in harsh environment shall meet or exceed the requirements of IEEE 841

and shall have marked on its nameplate that it meets requirements of IEEE841.

4. Motors in hazardous areas shall be explosion proof; motors for areas subject to

corrosive gases shall be severe duty.

5. Motors shall have tapped drain holes with corrosion resistant plugs for frames

286T and smaller and automatic breather/drain devices for frames 324T and

larger.

October 2012 - 24 - ME 11215 Rev 0

P. Motor Thermal Protection - General: Motor windings thermal protection shall be

provided as specified herein or where called for in the detailed mechanical

specifications for individual equipment. Unless noted otherwise in the detailed

mechanical specification, thermal protection shall be included on motors to be

connected to an adjustable speed drive of any type, or on all submersible motors.

Thermal protection shall be factory installed winding temperature detectors with

leads terminating in the motor conduit box. These detectors shall be of the

bimetallic contact type, normally open, with not less than one per phase winding.

1. Stator Overtemperature: Two stator winding resistance temperature detectors

(RTDs) shall be furnished per phase. RTDs shall be 100 ohm platinum type.

2. Bearing Overtemperature: Where RTDs are required for protection of the driven

equipment, the motor RTDs and the driven equipment RTDs shall be the same

type.

Q. Noise Level

1. Motor shall be free of objectionable noise and vibration. Unless otherwise

specified in the driven equipment specifications, motor sound pressure level shall

not exceed 80 dBA for open drip proof and weather protected motors and shall not

exceed 85 dBA for totally enclosed fan cooled (TEFC) motors when measured at

3 feet under free-field, no load conditions with sine wave power input in

accordance with IEEE 85.

R. Shop assemble all motors and driven equipment in accordance with the

manufacturer’s printed recommendations and as required herein.

S. Factory Testing - Notify Metropolitan five working days prior to any testing

performed within 400 miles of Los Angeles or 10 working days if outside of this

range. All tests shall be performed in the presence of Metropolitan.

1. The test requirements for motors are as follows:

Type of Test Required For

Routine Factory Test All Motors

Sealed Winding Insulation

Conformance Test (per NEMA MG-

1, 20.49)

All Form Wound Motors

Performance Testing All Motors

Vibration Testing All Motors

Noise Level Testing When Specified 1

Bearing Signatures All Sleeve Bearing Motors

2. Except when acceptable noise level test results can be provided for a similar

motor which has been previously tested.

October 2012 - 25 - ME 11215 Rev 0

3. Routine test results shall provide the following data:

a. No load running current.

b. Locked rotor current.

c. High potential test.

d. Winding resistance.

e. No load vibration check.

4. Performance test results shall provide the following data:

a. Temperature rise of the winding and sleeve bearings, taken from a full load

heat run conducted until these temperatures become constant.

b. Full load current and speed, starting current and torque, breakdown torque,

efficiency and power factor at 1/2, 3/4, and full load.

c. Peak to peak amplitude of vibration under no load.

d. Speed torque curve.

e. Thermal capability curves (running loaded and locked rotor-hot).

f. Accelerating time vs. current curves (80% rated voltage and 100% rated

voltage).

T. Contractor shall forward four certified copies of the test report for each integral-

horsepower motor furnished to Metropolitan for approval before shipment. Tests on

duplicate motors to those being furnished will not be acceptable. Each test shall be in

accordance with IEEE 112. The results shall be tabulated on IEEE 112 Form A-1

(Report of Test Form for Induction Motors).

U. Acceptable Manufacturers: Motors shall be manufactured by Baldor, Nidec US Motors,

WEG, or equal.

2.07 PUMP AND MOTOR VIBRATION ANALYSIS

A. The pump and motor as a unit shall be designed against all excitation forces and

frequencies.

B. The first critical speed of the rotating assembly shall be 20% higher than the

maximum operating speed.

C. A critical speed analysis report, signed and stamped by a registered professional

mechanical engineer, shall be submitted to demonstrate the equipment meets the

critical speed requirements of this specification.

D. An impact test of the pump and motor assembly, for the purpose of determining their

combined critical speed, will be conducted after the pump is completely installed at

the MWD job site. If the recorded critical speed does not meet the requirement

specified in this specification, MWD may demand correction from the manufacturer.

The entire cost of the correction effort shall be borne by the manufacturer.

October 2012 - 26 - ME 11215 Rev 0

2.08 SPECIAL TOOLS AND SPARE PARTS

A. The Contractor shall furnish a set of all special tools, for normal operation and

maintenance with each different type of equipment. Tools shall be packed in lockable

steel cases clearly identified as "SPECIAL TOOLS FOR HORIZONTAL AXIALLY

SPLIT CENTRIFUGAL PUMPS” with indelible markings on the exterior. The

Contractor shall provide Metropolitan with 4 copies of each key. All cases from each

Supplier shall be keyed alike.

1. The Contractor shall furnish, as appurtenances to the collection systems, one set of

all nonstandard mechanic special wrenches, tools, fixtures, and handling devices for

convenient and expeditious assembly and disassembly of said units. The tools shall

be mounted on one or more hardwood or steel wrench boards and each piece shall

be properly identified. Wrenches shall be case-hardened steel forgings with

bright-finished heads.

2. All eyebolts, hooks, and rods necessary for handling equipment that are not

permanently fastened to the units shall be furnished with each tool set. Each set of

tools, eyebolts, hooks, and rods shall be neatly mounted in a box with hinged cover,

suitable for wall mounting.

B. Spare Parts: The Contractor shall furnish all spare parts as noted herein and additionally

as recommended by the manufacturer of each piece of equipment, including control

panels, for the normal operation and maintenance of the equipment. Spare parts shall be

clearly labeled "SPARE PARTS FOR HORIZONTAL AXIALLY SPLIT

CENTRIFUGAL PUMPS” and packaged separately from equipment and parts to be

installed during construction and separately from tools.

1. The Contractor shall furnish an inventory of spare parts for the equipment. These

parts shall be as listed herein.

2. The Contractor shall deliver all spare parts including gaskets, seals and belts, with

rubber or rubber-like components that age with exposure to Metropolitan in sealed,

air-tight transparent containers, with the contents clearly labeled, including the date

of packaging.

3. All spare parts shall be wrapped in waterproof packages suitable for export service.

Each individual package is to be labeled with the description and part number.

Packages shall be contained in sturdy wooden crates labeled with the description

and part number of each package within and stored in a location designated by

Metropolitan. Storage shall be the responsibility of others.

4. Spare parts furnished shall include the following:

a. Complete set bearings for each pump.

b. Complete set gaskets and O-ring seals for each pump.

c. Complete set of shaft sleeves for each pump.

d. Complete set keys, dowels, pins, etc for each pump.

e. Complete mechanical seal for each pump.

f. One impeller for each model and size of pump.

October 2012 - 27 - ME 11215 Rev 0

g. One impeller shaft for each model and size of pump.

5. In addition to the spare parts listed, Manufacturer shall provide a list of all available

spare and replacement parts.

2.09 COATINGS

A. The coatings and linings shall not be applied until the equipment has been fabricated,

weld-spatter removed, welds ground smooth, sharp edges and corners ground to a curve,

hydrostatic tests completed, surfaces cleaned with clean mineral spirits, and abrasive

blasting performed.

B. All internal and external surfaces of material and equipment furnished shall be painted,

except for stainless steel material items, galvanized surfaces that are not color matched

to surrounding components, and surfaces machined to achieve a specified fit or

tolerance. All such surfaces shall be prepared, shop primed, and painted in accordance

with Specification ME-09900, “Painting for ME-Specified Equipment.”

2.10 HYDROSTATIC TESTING

A. A hydrostatic test shall be performed on all process pressure containing components at

the greater of:

1. 150 percent of the shut-off head plus maximum suction pressure.

2. 200 percent of the sum of rated head and maximum suction pressure.

B. During the pressure test, components shall not show signs of weakness or undue

deflection, as determined by Metropolitan. The external surfaces of the casings shall not

show sweating through metal or leakage through gaskets or seals. The minimum

hydrotest time shall be 30 minutes. Testing shall be performed prior to performance

testing and the application of coatings or linings.

C. Witness of Testing: The data sheet for each pump will identify if Metropolitan will

witness hydrotest of the equipment. When witness of testing is required, Contractor

shall notify Metropolitan of the test, two (2) weeks prior to the test.

2.11 SHOP PERFORMANCE TESTING

A. Pump components shall be completely assembled in the manufacturer’s plant, and the

clearance and alignment between components shall be checked for compliance with the

applicable shop drawings.

B. Pump shafts shall be aligned to the motor shaft. Maximum run-out shall not exceed

0.003 inch

C. The Contractor shall submit a detailed test procedure for review by Metropolitan 90

days prior to testing.

D. Flow rates for pumps operating in parallel shall match within 4 percent at any head

throughout the operating range specified on the pump data sheet.

E. When the control panel is furnished by the pump supplier, it shall be assemble and

tested to demonstrate proper output signals and operation of electrical devices such as

relays and timers.

F. The Contractor shall submit test report for all tests.

October 2012 - 28 - ME 11215 Rev 0

G. The Contractor shall furnish all necessary labor, material, and equipment, and shall

perform all assembling and testing and make reports as required at no additional cost to

Metropolitan.

H. Each pump shall be performance tested at rated speed to determine the head, capacity,

and brake horsepower. Tests shall be conducted in accordance with HI 1.6, level “A”

and as specified herein and/or on the pump data sheet. Rate of flow tolerance at rated

total head shall be +10, -0%. Test data shall be sufficiently comprehensive to produce

guaranteed performance curve showing head versus:

1. Capacity

2. Efficiency

3. Net positive suction head required, when NPSHR test is specified on the pump data

sheet

4. Brake horsepower

5. A minimum of 7 points shall be tested. One point shall be at shutoff. One point shall

be run out. One point shall be the rated point. The remaining points shall be spaced

evenly between the rated point and shut-off.

I. The Contractor shall submit to Metropolitan for approval 3 copies of certified

performance curves for each pumping unit. The performance curves shall show the

relationship of the total head in feet and the required brake horsepower, efficiency, and

overall efficiency, all plotted as a function of the discharge.

J. Witness of Testing

The data sheet for each pump will identify if Metropolitan will witness shop

performance of the equipment. When witness of testing is required, Contractor shall

provide adequate notification as specified in Paragraph 1.11E.

PART 3 EXECUTION

3.01 MANUFACTURER’S SERVICES

A. Attend site at the request of Metropolitan or installation Contractor to give advice on

the properties, performance, storage and handling requirements, and installation of

manufacturer's materials or equipment; resolve queries pertaining to the

manufacturer's product; and attend meetings. The representative shall provide written

reports to Metropolitan as required.

B. Give training to the installation Contractor's installation crews in the proper

installation procedures of the manufacturer's materials or equipment.

C. The services of the pump manufacturer’s representative shall be provided for

installation supervision, inspection, startup assistance, equipment testing, certification,

and training of Metropolitan’s personnel.

D. Contractor shall provide services of start-up and erecting engineer in accordance with

this specification. The start-up engineer shall be qualified to confirm proper installation,

electrical connections, and proper operation. The startup engineers shall be competent,

reliable, responsible and fluent English speaking and shall be preapproved by

Metropolitan. The manufacturer’s representative for the equipment specified herein

October 2012 - 29 - ME 11215 Rev 0

shall be present at the Job Site and/or classroom designated by Metropolitan for the

minimum person-days listed for the services hereunder for each of the separate facility

locations, travel time excluded.

E. [1] Person-day for installation assistance.

F. [2] Person-days for inspection, functional testing and training, certification of the

installation.

G. The Contractor shall coordinate with the manufacturer all field service needs to assist in

the erection, installation, inspection, and testing of the equipment.

END OF SECTION

11215 - 1

HORIZONTAL AXIALLY SPLIT CENTRIFUGAL PUMPS

DATA SHEET

Vendor to fill in all blanks

Project: Jensen Service Water Pumps Location: Granada Hills, CA

Tag No(s): 13P-80, 81, 82, 83, 110, 115, 120, 125 Service: Jensen Service Water

No. Pumps Req'd: 8 Provided By: Vendor No. Motors Req'd: 8 Provided By: Vendor

Manufacturer: Model: See Note 1

OPERATING CONDITIONS

Liquid: Water

Elevation, ft: 1290 ft

Ambient Temperature (Fahrenheit): 70

Pumping Temperature Range

(Fahrenheit):

Specific Gravity at Pumping

Temperature : 1.0

Vapor Pressure at Pumping

Temperature, psia: 0.36

Viscosity at Pumping Temperature, cp:

1.0 NPSH Available, ft: 45 ft

Flow Rate Range, gpm:

Rated, gpm: 900

Max Suction Pressure, psig:

Rated, psig: Discharge Pressure, psig:

Rated, psig:

Differential Pressure, psi: 75.74

Differential Head, ft: 175

Area Classification: Non hazardous Parallel Operation: Yes No Installation:

Indoor Outdoor

Abrasive: Yes No Possible Scale Buildup: Yes No Corrosion/Erosion Caused By :

PERFORMANCE

Proposal Curve No.: Min. Continuous Flow gpm: Rotation (View From Coupling End):

CW CCW

NPSHR Rated: NPSHR EOC: Max Head Rated Imp:

BHP Rated: BHP EOC: MAX BHP:

Maximum Shutoff Pressure, psig: Min Pump Hydraulic Efficiency at

Rated Capacity (%): 76

Max. Pump Speed at Rated Capacity,

rpm:

Constant Adjustable Reverse rotation: Pump shall be capable of operating at runaway speed in

reverse rotation without damage.

CONSTRUCTION

Impeller Type: Radial Impeller Support: Between Bearings Frame-Mounted Yes No

Impeller: Dia.:

Max. Dia.;

Type:

Stages: One

Suction Nozzle Size: 6”

Rating: 125# ANSI

Facing: Flat Face

Location:

Discharge Nozzle Size: 5”

Rating: 125# ANSI

Facing: Flat Face

Location

Casing Wear Rings Yes No Impeller Wear Ring Yes No Shaft Seal Packing Yes No

Mechanical Seal Type: See Note 2

Flushing: Pumpage

Manufacturer/Model:

Seal Lubrication: Pumpage Bearing Lubrication: Regreasable

NSF 61 approved grease

Bearings:

Outboard End Type:

Inboard End Type: Radial

ABMA L-10 Bearing Life (hrs):

Coupling:

Falk Fast Spring-Grid

Gear Type Spacer

Manufacturer Standard

Pump Wt.: Base Wt.: Case Connections:

Vent

Drain

Suction and Discharge Gauge

Project Number: 103893

By: SL Ck by:

Date: 10/15/12 Rev No.:

0

11215 - 1

HORIZONTAL AXIALLY SPLIT CENTRIFUGAL PUMPS

DATA SHEET

PAGE 2

MATERIALS

Case: Ductile Iron Impeller: 316 SS Head: Ductile Iron

Casing Wear Ring: Bronze Impeller Wear Ring: 316 SS hard face Shaft: 316 SS

Shaft Sleeve: SAE 4140 Gland: 316 SS Mechanical Seal: See Note 2

Keys/Bolting: 316 SS Base Plate: CS Hardware:

DRIVER

Motor Driver Tag No(s): Motor Manufacturer: Model:

HP: RPM: 1800 Volts/Phase/Hz: 460/3/60

Motor Type: NEMA

Service Factor: 1.00

Full Load Amps:

Locked Rotor Amps:

Enclosure: TEFC

Insulation:

Drive:

Direct-Coupled

Belt

Adjustable Speed

Other

Efficiency

Full Load:

3/4 Load:

1/2 Load:

Mounting Type:

Horizontal

Vertical Solid Shaft

Vertical Hollow Shaft

Adjustable Speed Drive Range:

________ min to ________ max

N/A

Bearings Manufacturer:

Type: Radial

Lube: Grease

Thrust Bearing Rating

Up:

Down:

Motor Weight: Nonreverse Ratchet Anti Rotation Device

Inverter Duty Premium Efficient Space Heater

PAINTING

Painting External Coating: Per Section 09900 Yes System to Use NE-1S

Internal Lining: Per Section 09900 Yes System to Use CS-1S

TESTING

Witness Performance

Non-Witness Performance

Witness Hydro

Non-Witness Hydro

Material Certification Shop Inspection

Test Report Requirements: In accordance with Hydraulic

Institute Standards for Centrifugal Pump Tests HIS 1.6.

Test for continuous: 3-hour ___ Period.

Performance Test:

Per Hydraulic Institute Standards

Performance tests and data reporting for rated conditions

shall be conducted at actual speed of pump in the

installation.

Applicable to: Proposal As Purchased As Built

Notes:

1. Flowserve Model 5LR-15D or approved equal.

2. Mechanical seals shall be Tungsten Carbide running against silicon carbide

3. Pump shall be designed and impellers shall be trimmed to deliver specified flow and to operate in parallel.

Project Number: 103893

By: SL Ck by:

Date: 10/15/12 Rev No.:

0