July 22, 1994

Contract \# TW0592

**SPECIAL SPECIFICATION**

**SECTION 15540**

**[PUMPS]{.underline}**

[Page]{.underline}

**[PART 1 - GENERAL]{.underline}**

1.01 Description. 2

1.02Related Work. 2

1.03Quality Assurance. 3

1.04References. 3

1.05Submittals. 4

1.06 Delivery, Storage, and Handling.. 4

1.07 Performance Requirements. 4

**[PART 2 - PRODUCTS]{.underline}**

2.01Acceptable Manufacturers. 5

2.02 Pumps. 6

2.03 Valves. 8

2.04 Motors. 8

**[PART 3 - EXECUTION]{.underline}**

3.01 Inspection. 11

3.02 Installation/Application/Erection. 11

3.03 Field Quality Control 12

3.04 Adjusting and Cleaning. 13

3.05 Commissioning. 13

**SPECIAL SPECIFICATION**

**SECTION 15540**

**[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\. End-suction pumps.

**1.02 [RELATED WORK]{.underline}**

> A. The following Sections contain requirements that relate to this
> Section:
>
> 1\. Section 01300
>
> 2\. Section 13943
>
> 3\. Section 15010
>
> 4\. Section 15051
>
> 5\. Section 15135
>
> 6\. Section 15401
>
> 7\. Section 15901
>
> 8\. Section 15995
>
> 9\. Division 16 Sections for power-supply wiring, field-installed
> disconnects, required electrical devices, and motor controllers.

**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 Architect. 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]{.underline}**

> A. Make submittals according to this Section, Section 15010, and
> Section 01300.
>
> 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 shop drawings showing pump layout and connections. Include
> setting drawings with templates, directions for installation of
> foundation and anchor bolts, and other anchorages.
>
> D. Submit wiring diagrams detailing wiring for power, signal, and
> control systems and differentiating between manufacturer-installed
> wiring and field-installed wiring.
>
> E. Submit maintenance data in the operation and maintenance manual as
> specified in Section 01300 for each type and size of specified pump.

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

> A. See Section 15010.
>
> 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.
>
> 2\. 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.

**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
>
> 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.
> Equipment No. 338 and 348.
>
> c\. Impeller: ASTM B 36 (ASTM B 36M), rolled-temper-brass fabrication,
> statically and dynamically balanced, closed, overhung, single suction,
> and keyed to shaft. Equipment No. 345 and 348.
>
> 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. Equipment No. 338.
>
> h\. Coupling: Flexible, capable of absorbing torsional vibration and
> shaft misalignment. Equipment No. 345 and 348.
>
> i\. Motor: Resiliently mounted to pump casing. Equipment No. 345 and
> 348.
>
> j\. Motor Bearings: Grease-lubricated, ball type. Equipment No. 338.
>
> k\. Motor Bearings: Oil-lubricated, sleeve type. Equipment No. 345 and
> 348.
>
> l\. Motor Speed: Single, unless noted otherwise.
>
> C. Close-coupled, End-suction Pump, Equipment No. 336
>
> 1\. Description: Centrifugal, close-coupled, end-suction,
> single-stage, bronze-fitted, radially split case design, all wetted
> surfaces CPVC; rated for 65-psig (446-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: CPVC with threaded piping connections.
>
> b\. Impeller: CPVC.
>
> c\. Shaft: CPVC.
>
> d\. Seals: Single mechanical type. Include carbon-steel rotating ring,
> stainless-steel spring, ceramic seat, and ethylene propylene flexible
> bellows and gasket.
>
> e\. Motor: Direct mounted to pump casing. Include supporting legs as
> integral part of motor enclosure.
>
> f\. Motor Speed: Single, unless noted otherwise.
>
> D. Separately-coupled, End-suction Pumps, Equipment No. 300, 301, 302,
> 307, 310, 311, 316, 317
>
> 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, unless noted otherwise.

**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\. 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.
>
> 6\. 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
> base-mounted pumps and where indicated. Install flexible connectors
> between pump casing and valves, except where other arrangement is
> indicated.
>
> 8\. Install thermometers per Section 15135 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 form tests and verification
> procedures required by the commissioning process when requested by the
> Commissioning Authority and directed by the General Contractor. See
> Section 15995.
>
> END OF SECTION