**November 21, 1997**

**Contract \# TW-0928**

**SPECIAL SPECIFICATION**

**SECTION 15540-S**

**[PUMPS]{.underline}**

[Page]{.underline}

[PART 1 - GENERAL]{.underline}

1.01 Description. 2

1.02 Related Work. 2

1.03 Quality Assurance. 3

1.04 References. 3

1.05 Submittals. 4

1.06 Delivery, Storage, and Handling.. 4

1.07 Performance Requirements. 4

[PART 2 - PRODUCTS]{.underline}

2.01 Acceptable Manufacturers. 5

2.02 Pumps. 6

2.03 Valves. 9

2.04 Motors. 9

[PART 3 - EXECUTION]{.underline}

3.01 Inspection. 12

3.02 Installation/Application/Erection. 12

3.03 Field Quality Control 13

3.04 Adjusting and Cleaning. 14

3.05 Commissioning. 14

**SPECIAL SPECIFICATION**

**SECTION 15540-S**

**[PUMPS]{.underline}**

[PART 1 - GENERAL]{.underline}

1.01 [DESCRIPTION]{.underline}

> A. This Section includes the following categories of pumps for
> hydronic systems:

1.  In-line circulators.

> 2\. Vertical In-Line pumps
>
> 3\. End-suction pumps.

1.02 [RELATED WORK]{.underline}

> A. The following Sections contain requirements that relate to this
> Section:
>
> 1\. Section 01300-S
>
> 2\. Section 13943-S
>
> 3\. Section 15010-S
>
> 4\. Section 15051-S
>
> 5\. Section 15135-S
>
> 6\. Section 15401-S
>
> 7\. Section 15901-S

8.  Division 16 Sections for power-supply wiring, field-installed
    disconnects, required electrical devices, and motor controllers.

9.  Section 01700-S " Commissioning ".

1.03 [QUALITY ASSURANCE]{.underline}

> A. Regulatory Requirements: Comply with provisions of the following:
>
> 1\. American Society of Mechanical Engineers (ASME) B31.9 \"Building
> Services Piping\" for piping materials and installation.
>
> 2\. Hydraulic Institute\'s \"Standards for Centrifugal, Rotary &
> Reciprocating Pumps\" for pump design, manufacture, testing, and
> installation.
>
> 3\. Underwriter\'s Laboratories (UL) 778 \"Standard for Motor Operated
> Water Pumps\" for construction requirements. Include UL listing and
> labeling.
>
> 4\. National Electrical Manufacturer\'s Association (NEMA) MG 1
> \"Standard for Motors and Generators\" for electric motors. Include
> NEMA listing and labeling.
>
> 5\. National Fire Protection Association (NFPA) 70 \"National
> Electrical Code\" for electrical components and installation.
>
> B. Design Criteria: Drawings indicate sizes, profiles, connections,
> and dimensional requirements of pumps and are based on specific
> manufacturer types and models indicated. Pumps having equal
> performance characteristics by other manufacturers may be considered
> provided that deviations in dimensions and profiles do not change the
> design concept or intended performance as judged by the Design
> Engineer. The burden of proof for equality of pumps is on the
> proposer.

1.04 [REFERENCES]{.underline}

> A. ASME B16.1
>
> B. ASME B31.9
>
> C. American Society for Testing and Materials (ASTM) B 36
>
> D. ASTM B 36
>
> E. ASTM B 584
>
> F. Hydraulic Institute\'s \"Standards for Centrifugal, Rotary &
> Reciprocating Pumps\"
>
> G. Institute of Electrical and Electronic Engineers (IEEE) 112, Test
> Method B
>
> H. NEMA MG 1
>
> I. NFPA 70
>
> J. UL 778

1.05 [SUBMITTALS Ref. requirements of Section 01700 " Commissioning "
.]{.underline}

> A. Make submittals according to this Section, Section 15010-S, and
> Section 01300-S.
>
> B. Submit product data including certified performance curves and
> rated capacities of selected models, weights (shipping, installed, and
> operating), furnished specialties, and accessories. Indicate pump\'s
> operating point on curves.
>
> C. Submit wiring diagrams detailing wiring for power, signal, and
> control systems and differentiating between manufacturer-installed
> wiring and field-installed wiring.
>
> D. Submit maintenance data in the operation and maintenance manual as
> specified in Section 01300-S for each type and size of specified pump.

1.06 [DELIVERY, STORAGE, AND HANDLING]{.underline}

> A. See Section 15010-S.
>
> B. Retain shipping flange protective covers and protective coatings
> during storage.
>
> C. Protect bearings and couplings against damage from sand, grit, and
> other foreign matter.
>
> D. Extended Storage Longer than 10 Days: Dry internal parts with hot
> air or vacuum-producing device. Coat internal parts with light oil,
> kerosene, or antifreeze after drying. Dismantle bearings and
> couplings; dry; coat with acid-free, heavy oil; tag; and store in dry
> location.

1.07 [PERFORMANCE REQUIREMENTS]{.underline}

> A. Pump Pressure Ratings: At least equal to system\'s maximum
> operating pressure at point where installed, but not less than
> specified.
>
> B. See Drawing Schedule for additional information.

[PART 2 - PRODUCTS]{.underline}

2.01 [ACCEPTABLE MANUFACTURERS]{.underline}

> A. Provide products by one of the following:
>
> 1\. In-Line Circulators:
>
> a\. Armstrong Pumps, Inc.
>
> b\. Burks Pumps, Inc.; Weinman Pump.
>
> c\. Grundfos Pumps Corp.
>
> d\. ITT Fluid Technology Corp.; Bell & Gossett Div.

e.  Paco Pumps, Inc.

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2.  Vertical In-Line Pumps:

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a.  Armstrong Pumps

b.  Burks Pumps, Inc., Weinman Pump.

c.  Grundfos Pumps Corp.

d.  ITT Fluid Technology Corp. ; Bell & Gossett Div.

e.  Paco Pumps, Inc.

f.  Peerless Pump Co.

3\. End-Suction Pumps:

> a\. Allis-Chalmers Fluid Products Co.; Industrial Pump Div.
>
> b\. Armstrong Pumps, Inc.
>
> c\. Buffalo Pumps, Inc.
>
> d\. Burks Pumps, Inc.; Weinman Pump.
>
> e\. Crane Co.; Deming Pump Co. Div.
>
> f\. Dresser Industries, Inc.; Dresser Pump Div.
>
> g\. Fairbanks Morse Pump Corp.
>
> h\. General Signal; Aurora Pump.
>
> i\. Goulds Pumps, Inc.
>
> j\. Penguin Filter Pump Industries
>
> k\. ITT Fluid Technology Corp.; Bell & Gossett Div.
>
> l\. Paco Pumps, Inc.
>
> m\. Peerless Pump Co.
>
> n\. Weil Pump Co.

B. [Substitutions]{.underline}: only under provisions of Section 1600-S.

2.02 [PUMPS]{.underline}

> A. General
>
> 1\. Provide factory assembled and tested units.
>
> 2\. Base-Mounted Pumps: Include pump casings that allow removal and
> replacement of impellers without disconnecting piping.
>
> 3\. Types, Sizes, Capacities, and Characteristics: As indicated.
>
> 4\. Factory Finish: Manufacturer\'s standard paint applied to
> factory-assembled and -tested units before shipping.
>
> 5\. Motors: Provide as specified below.
>
> 6\. Manufacturer\'s Preparation for Shipping: Clean flanges and
> exposed machined metal surfaces and treat with anticorrosion compound
> after assembly and testing. Protect flanges, pipe openings, and
> nozzles with wooden flange covers or with screwed-in plugs.
>
> B. In-line Circulators (P-16, -17, and -20)
>
> 1\. Description: Horizontal, in-line, centrifugal, single-stage,
> bronze-fitted, radially split case design; rated for
> 125-pounds-per-square-inch-gage (psig) (860-kilo-Pascals \[Kpa\])
> minimum working pressure and a continuous water temperature of 225
> degree (deg) Fahrenheit (F) (107 deg Celsius \[C\]). Note where
> multiple selections occur; equipment numbers are added to the multiple
> selections to identify the correct application. Include the following:
>
> a\. Casing: Cast iron, with threaded companion flanges for piping
> connections smaller than 2-1/2 inches (in.) (65 millimeters \[mm\])
> and threaded gage tappings at inlet and outlet connections.
>
> b\. Impeller: ASTM B 584, cast bronze, statically and dynamically
> balanced, closed, overhung, single suction, and keyed to shaft.
>
> c\. Impeller: ASTM B 36 (ASTM B 36M), rolled-temper-brass fabrication,
> statically and dynamically balanced, closed, overhung, single suction,
> and keyed to shaft.
>
> d\. Shaft and Sleeve: Steel shaft with oil-lubricated aluminum-bronze
> sleeve.
>
> e\. Seals: Mechanical type. Include carbon-steel rotating ring,
> stainless-steel spring, ceramic seat, and flexible bellows and gasket.
>
> f\. Pump Bearings: Oil-lubricated, bronze journal and thrust type.
>
> g\. Coupling: Close.
>
> h\. Coupling: Flexible, capable of absorbing torsional vibration and
> shaft misalignment.
>
> i\. Motor: Resiliently mounted to pump casing.
>
> j\. Motor Bearings: Grease-lubricated, ball type.
>
> k\. Motor Bearings: Oil-lubricated, sleeve type.
>
> l\. Motor Speed: Single, unless noted otherwise.

C.  Vertical Line Pumps (P-18 and -19)

1\. Description: Vertical, in-line, centrifugal, separately coupled,
single-stage, radially split case design. Include vertical-mounting,
bronze-fitted design and mechanical seals rated for 125-psig minimum
working pressure and a continuous water temperature of 225 deg F.
Include the following:

> a\. Casing: Cast iron, with threaded companion flanges for piping
> connections smaller than 2-1/2 inches, drain plug in bottom of volute,
> and threaded gage tappings at inlet and outlet connections.

DELETE BELOW IF UNIONS ARE PROHIBITED FOR THIS APPLICATION.

> 1\) Connection Option: Include unions, instead of threaded companion
> flanges, at connections for casings that are not available with
> threaded companion flanges.

b.  Impeller: ASTM B 584, cast bronze, statically and dynamically
    balanced, closed, overhung, single suction, and keyed to shaft.

c.  Wearing Rings: Replaceable, bronze casing ring.

d.  Shaft and Sleeve: Ground and polished steel shaft with bronze sleeve
    and integral thrust bearing. Include flinger on motor shaft between
    motor and seals to prevent liquid that leaks past pump seals from
    entering motor bearings.

e.  Seals: Mechanical type. Include carbon-steel rotating ring,
    stainless-steel spring ceramic seat, and flexible bellows and
    gasket.

f.  Seals: Stuffing-box type. Include at least 4 rings of
    graphite-impregnated braided yarn with bronze lantern ring between
    center 2 graphite rings, and bronze packing gland.

g.  Motor: Direct mounted to pump casing. Include lifting and supporting
    lugs in top of motor enclosure.

REFER TO EDITING INSTRUCTIONS NO. 3 AND 4 IN THE EVALUATIONS FOR SEALS
IN 2 SUBPARAS BELOW.

> D. Separately-coupled, End-suction Pumps (P-3, -4, -7, -8, -11, -12,
> -13, -14, -15)
>
> 1\. Description: Supported-volute, centrifugal, separately coupled,
> end-suction, single-stage, bronze-fitted, radially split case design;
> rated for 175-psig (1200-Kpa) minimum working pressure and a
> continuous water temperature of 225 deg F (107 deg C). Include
> back-pull-out design, except where other design is indicated, and the
> following:
>
> a\. Casing: Cast iron, with flanged piping connections, drain plug in
> bottom of volute, and threaded gage tappings at inlet and outlet
> flange connections. Include integral feet or other means on volute to
> support weight of casing and attached piping.
>
> b\. Impeller: ASTM B 584, cast bronze, statically and dynamically
> balanced, closed, overhung, single suction, keyed to shaft, and
> secured by locking cap screw.
>
> c\. Shaft and Sleeve: Steel shaft with bronze sleeve.
>
> d\. Seals: Mechanical type. Include carbon-steel rotating ring,
> stainless-steel spring, ceramic seat, and flexible bellows and gasket.
>
> e\. Coupling: Flexible, capable of absorbing torsional vibration and
> shaft misalignment for motor sizes of 100 horsepower (hp)
> (74.6 kiloWatts \[Kw\]) and less. Include flexible-spacer type, with
> flange and sleeve section that can be disassembled and removed without
> removing pump or motor, for sizes larger than 100 hp (74.6 Kw).
>
> f\. Coupling Guard: Steel, removable, and attached to mounting frame.
>
> g\. Mounting Frame: Welded-steel frame and cross members,
> factory-fabricated from ASTM A 36 (ASTM A 36M) channels and angles.
> Fabricate for mounting pump casing, coupling guard, and motor. Grind
> welds smooth before application of factory finish. Field-drill
> motor-mounting holes for field-installed motors.
>
> h\. Motor: Secured to mounting frame, with adjustable alignment.
>
> i\. Motor Speed: Single, (P-3, -4, -11, -13) variable frequency drives
> (P-7, -8, -14, -15). Vendor shall provide the variable frequency
> drives per Section 16921-S and shall provide necessary
> interconnections between the motor and the variable frequency drive.

2.03 [VALVES]{.underline}

> A. See Sections 15051-S and 15401-S.

2.04 [MOTORS]{.underline}

> A. General
>
> 1\. Apply requirements below to motors covered by this Section except
> as otherwise indicated.
>
> 2\. Motors 1 horsepower (hp) and Larger: Polyphase.
>
> 3\. Motors Smaller Than 1 hp: Single-phase.
>
> 4\. Frequency Rating: 60 Hz.
>
> 5\. Voltage Rating: See Drawing Schedule.
>
> 6\. Service factors indicated for motors are minimum values and apply
> at frequency and utilization voltage at which motor is connected.
> Provide motors which will not operate in service factor range when
> supply voltage is within 10 percent of motor voltage rating.
>
> 7\. Capacity: Minimum size as indicated. If not indicated, sufficient
> to start and operate connected loads at designated speeds in indicated
> environment, and with indicated operating sequence, without exceeding
> nameplate ratings. Provide motors rated for continuous duty at 100
> percent of rated capacity.
>
> 8\. Temperature Rise: Based on 40 degrees centigrade ambient except as
> otherwise indicated.
>
> 9\. Enclosure: Open drip-proof, unless noted otherwise.
>
> 10\. Motor Speed: Single, multiple, or variable as indicated.
>
> B. Polyphase Motors
>
> 1\. Squirrel-cage, induction-type, general-purpose conforming to the
> following requirements except as otherwise indicated.
>
> 2\. NEMA Design Letter Designation: \"B,\" unless specifically
> designated \"C\" for high starting torque.
>
> 3\. Energy Efficient Motors: Nominal efficiency equal to or greater
> than that stated in NEMA MG 1, table 12-6C for that type and rating of
> motor.

4.  Variable Speed Motors for Use With Solid-State Drives: Energy
    efficient, squirrel-cage induction, design B units with ratings,
    characteristics, and features coordinated with and approved by drive
    manufacturer.

5.  Premium Efficient Motors: Pumps P-7 and P-8 shall have a guaranteed
    minimum efficiency equal to or greater than 94.1% for a 50 hp motor.
    Guaranteed minimum efficiencies were established for 4-pole, 1800
    rpm synchronous speed motors.

> 6\. Internal Thermal Overload Protection For Motors: For motors so
> indicated, protection automatically opens control circuit arranged for
> external connection. Protection operates when winding temperature
> exceeds safe value calibrated to the temperature rating of the motor
> insulation.
>
> 7\. Bearings: Double-shielded, pre-lubricated ball bearings suitable
> for radial and thrust loading of the application, unless noted
> otherwise.
>
> C. Single-Phase Motors
>
> 1\. Conform to the following requirements except as otherwise
> indicated.
>
> 2\. Energy Efficient Motors: One of the following types as selected to
> suit the starting torque and other requirements of the specific motor
> application.
>
> a\. Permanent Split Capacitor.
>
> b\. Split-Phase Start, Capacitor-Run.
>
> c\. Capacitor-Start, Capacitor-Run.
>
> 3\. Shaded-Pole Motors: Use only for motors smaller than 1/20 hp.
>
> 4\. Internal Thermal Overload Protection for Motors: Protection
> automatically opens the power supply circuit to the motor, or a
> control circuit arranged for external connection. Protection operates
> when winding temperature exceeds a safe value calibrated to the
> temperature rating of the motor insulation. Provide device that
> automatically resets when motor temperature returns to normal range
> except as otherwise indicated.
>
> 5\. Bearings, belt connected motors and other motors with high radial
> forces on motor shaft shall be ball bearing type. Sealed,
> pre-lubricated sleeve bearings may be used for other single phase
> motors.

[PART 3 - EXECUTION]{.underline}

3.01 [INSPECTION]{.underline}

> A. Inspect areas, equipment foundations, and conditions, with
> Installer present, for compliance with requirements for installation
> and other conditions affecting performance of pumps.
>
> B. Inspect roughing-in for piping systems to verify actual locations
> of piping connections before pump installation.
>
> C. Inspect foundations and inertia bases for suitable conditions where
> pumps are to be installed.
>
> D. Do not proceed until unsatisfactory conditions have been corrected.

3.02 [INSTALLATION/APPLICATION/ERECTION]{.underline}

> A. Install pumps according to manufacturer\'s written installation and
> alignment instructions.
>
> B. Install pumps in locations indicated and arranged to provide access
> for periodic maintenance, including removal of motors, impellers,
> couplings, and accessories.
>
> C. Support pumps and piping separately so that piping is not supported
> by pumps.
>
> D. Suspend horizontal, in-line pumps independent from piping. Use
> continuous-thread hanger rods and vibration isolation hangers of
> sufficient size to support weight of pumps. Fabricate brackets or
> supports as required for pumps.
>
> E. Suspend vertical, in-line pumps independent from piping. Use
> continuous-thread hanger rods and vibration isolation hangers of
> sufficient size to support weight of pumps.
>
> F. Set base-mounted pumps on concrete foundation; install on inertia
> base where indicated on the Drawings. Disconnect coupling halves
> before setting. Do not reconnect couplings until alignment operations
> have been completed.
>
> 1\. Support pump base plate on rectangular metal blocks and shims, or
> on metal wedges with small taper, at points near foundation bolts to
> provide a gap of 3/4 to 1-1/2 in. (19 to 38 mm) between pump base and
> foundation for grouting.
>
> 2\. Adjust metal supports or wedges until pump and driver shafts are
> level. Check coupling faces and suction and discharge flanges of pump
> to verify that they are level and plumb.
>
> G. Connections
>
> 1\. General: Install shutoff valve and strainer on pump suction and
> check valve and shutoff valve on pump discharge, except where other
> arrangement is indicated.
>
> 2\. Connect piping to pumps as indicated. Install valves that are the
> same size as piping connecting to pumps.
>
> 3\. Install suction and discharge pipe sizes equal to or greater than
> the diameter of pump nozzles.
>
> 4\. Install check valve and throttling valve on discharge side of
> in-line circulators.
>
> 5\. Install suction diffuser and shutoff valve on suction side of
> base-mounted pumps.
>
> 6\. Install triple-duty valve on discharge side of base-mounted pumps.
>
> 7\. Install flexible connectors on suction and discharge sides of
> pumps and where indicated. Install flexible connectors between pump
> casing and valves, except where other arrangement is indicated.
>
> 8\. Install thermometers per Section 15135 and where indicated on the
> Drawings.
>
> 9\. Install pressure gages per Section 15135 on pump suction and
> discharge. Install at integral pressure gage tappings where provided.
>
> 10\. Install check valve and throttling valve on the discharge side of
> base-mounted pumps.
>
> 11\. Install electrical connections for power, controls, and devices.
>
> 12\. Electrical power and control wiring and connections are specified
> in Division 16 Sections.

3.03 [FIELD QUALITY CONTROL]{.underline}

> A. Check suction piping connections for tightness to avoid drawing air
> into pumps.
>
> B. Clean strainers.
>
> C. Set pump controls.

3.04 [ADJUSTING AND CLEANING]{.underline}

> A. Align pump and motor shafts and piping connections after setting
> them on foundations, after grout has been set and foundation bolts
> have been tightened, and after piping connections have been made.
>
> B. Comply with pump and coupling manufacturers\' written instructions.
>
> C. Adjust alignment of pump and motor shafts for angular and parallel
> alignment by 1 of 2 methods specified in the H.I.\'s Standards for
> Centrifugal, Rotary & Reciprocating Pumps, \"Instructions for
> Installation, Operation and Maintenance.\"
>
> D. After alignment is correct, tighten foundation bolts evenly but not
> too firmly. Fill base plate completely with non-shrink, nonmetallic
> grout, with metal blocks and shims or wedges in place. After grout has
> cured, fully tighten foundation bolts.
>
> E. Alignment Tolerances: According to manufacturer\'s recommendations.

3.05 [COMMISSIONING]{.underline}

> A. Provide labor, material, equipment, etc., required to facilitate
> the commissioning process. Perform tests and verification procedures
> required by the commissioning process when requested by SNL's
> Commissioning Authority and directed by the General Contractor's Test
> Engineer.
>
> END OF SECTION