**November 21, 1997**

**Contract \# TW-0928**

**SPECIAL SPECIFICATION**

**SECTION 15462-S**

**[FUEL-FIRED WATER HEATERS]{.underline}**

[Page]{.underline}

[PART 1 - GENERAL]{.underline}

1.01 Description.. 2

1.02 Related Work\... 2

1.03 Quality Assurance\... 2

1.04 References.. 3

1.05 Submittals.. 3

1.06 Delivery, Storage, and Handling.. 3

1.07 Warranty.. 3

[PART 2 - PRODUCTS]{.underline}

2.01 Acceptable Manufacturers.. 5

2.02 Water Heaters, General.. 6

2.03 Commercial, Horizontal-Grid, Finned-Tube, Gas Water Heaters.. 6

2.04 Commercial, Storage, Powered, Gas Water Heaters (Boilers).. 8

2.05 Storage Tanks.. 10

[PART 3 - EXECUTION]{.underline}

3.01 Inspection 11

3.02 Concrete Bases\... 11

3.03 Water Heater Installation.. 11

3.04 Connections.. 12

3.05 Commissioning\... 13

3.06 Demonstration\..... 14

MASTERSPEC text, Copyright 1995, AIA, The American Institute of
Architects

Paragraph number formatting method, Copyright 1988, ARCOM, Architectural
Computer Services, Inc.

**SPECIAL SPECIFICATION**

**SECTION 15462-S**

**FUEL-FIRED WATER HEATERS**

[PART 1 - GENERAL]{.underline}

1.01 [DESCRIPTION]{.underline}

A. This Section includes the following:

RETAIN ONLY WATER HEATER CATEGORIES BELOW THAT ARE SPECIFIED.

1.  Gas fired water heaters with integral circulation pumps.

> 2\. Water heater accessories.

1.02 [RELATED WORK]{.underline}

A.  Section 01300-S

B.  Section 15010-S

C.  Section 15051-S

D.  Section 15401-S

1.03 [QUALITY ASSURANCE]{.underline}

A.  Comply with provisions of the following:

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1.  AGA standards and bear AGA certification label.

2.  NFPA 70, "National Electrical Code," for electrical components.

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B.  Product Options: Drawings indicate size, profiles, connections,
    dimensional requirements, and characteristics of water heaters and
    accessories and are based on specific types and models indicated.
    Other manufacturers' water heaters and accessories with equal
    performance characteristics may be considered based on Section
    15010.

C.  Equipment and system shall perform as specified and noted on
    drawings for site elevation of 5500 feet elevation above sea level.

1.04 [REFERENCES]{.underline}

A.  AGA Standards

B.  NFPA 70

C.  NFPA 54

D. UL 486A and B

1.05 [SUBMITTALS]{.underline}

A.  Make submittals according to this Section, Section 15010-S, and
    Section 1300-S.

B.  Submit product data including rated capacities of selected models,
    weights (shipping, installed, and operating), furnished specialties,
    and accessories. Indicate dimensions, finishes and coatings,
    required clearances, methods of assembly of components, and piping
    and wiring connections.

> C. Maintenance data for water heaters to include in operation and
> maintenance manuals specified in Division 1. Include startup
> instructions.

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

DELETE PARA BELOW IF NOT APPLICABLE.

A.  See Section 15010-S.

B.  Store water heaters in a clean, dry location.

C.  Retain shipping protective covers and protective coatings during
    storage.

RETAIN 1 OF 2 PARAS BELOW IF REQUIRED BY AUTHORITIES HAVING
JURISDICTION. PARAS COMPLY WITH ENERGY POLICY ACT (EPACT).

1.07 [WARRANTY]{.underline}

WHEN WARRANTIES ARE REQUIRED, VERIFY WITH THE OWNER\'S COUNSEL THAT
SPECIAL WARRANTIES STATED IN THIS ARTICLE ARE NOT LESS THAN REMEDIES
AVAILABLE TO THE OWNER UNDER PREVAILING LOCAL LAWS. COORDINATE WITH
DIVISION 1 SECTION \"WARRANTIES.\"

> A. General Warranty: The special warranty specified in this Article
> shall not deprive SNL of other rights SNL may have under other
> provisions of Contract Documents and shall be in addition to, and run
> concurrent with, other warranties made by Contractor under
> requirements of Contract Documents.

REFER TO MFR\'S PUBLISHED WARRANTIES FOR AVAILABILITY. EXAMPLE BELOW IS
AN EXTENSION FOR COILS, HEAT EXCHANGERS, AND BURNERS. EDIT AS REQUIRED
OR DELETE.

> B. Special Warranty: Submit a written warranty executed by
> manufacturer agreeing to repair or replace water heaters and
> accessories that fail in materials or workmanship within specified
> warranty period. Failures include, but are not limited to, tanks,
> coils, heat exchangers, and burners. This warranty is in addition to,
> and not a limitation of, other rights SNL may have against Contractor
> under Contract Documents.

PARA BELOW IS AN EXAMPLE ONLY. REVISE WARRANTY TO PERIOD REQUIRED AND
VERIFY AVAILABILITY.

> C. Warranty Period: Minimum 5 years after date of Substantial
> Completion.

PART 2 - PRODUCTS

2.01 [ACCEPTABLE MANUFACTURERS]{.underline}

SEE EDITING INSTRUCTION NO. 1 IN THE EVALUATIONS FOR CAUTIONS ABOUT
NAMING PRODUCTS AND MFRS.

A. Commercial, Horizontal-Grid, Finned-Tube, Gas Water Heaters:

1\. Lochinvar Corp.

2\. Precision Parts Corp.

3\. Raypak, Inc.

4\. Rheem Mfg. Co.; Rheem Water Heater Div.

5\. Rheem Mfg. Co.; Ruud Water Heater Div.

6\. Smith: A.O. Smith Water Products Co.

7.  Teledyne Laars.

8.  AERCO

B. Commercial, Storage, Powered, Gas Water Heaters / Boilers:

1.  AERCO

2.  Burnham

3\. Precision Parts Corp.

4\. PVI Industries, Inc.

5\. Smith: A.O. Smith Water Products Co.

C. Compression Tanks:

1.  Amtrol, Inc.

2.  Armstrong Pumps, Inc.

3.  Bell & Gossett

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4.  Expanflex, Inc.

5.  Smith: A.O. Smith; Aqua-Air Div.

6.  State Industries, Inc.

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

2.02 [WATER HEATERS (BOILERS) GENERAL]{.underline}

RETAIN AND EDIT THIS ARTICLE AS REQUIRED TO CORRESPOND TO SPECIFIC WATER
HEATER ARTICLES RETAINED BELOW.

SEE EDITING INSTRUCTION NO. 3 IN THE EVALUATIONS FOR CAUTIONS ABOUT
SELECTING AND NAMING EQUIVALENT PRODUCTS AND MFRS. SCHEDULES ON DRAWINGS
ARE REQUIRED TO INDICATE CAPACITIES, RECOVERIES, AND SOME
CHARACTERISTICS OF WATER HEATERS.

> A. Specified manufacturer\'s standard components and features are
> acceptable where specific product requirements are not indicated.
> Units shall meet the minimum efficiency requirements of ASHRAE 90.1.

B. Temperature Control: Adjustable thermostat, except for units where
other arrangement is indicated or temperature is regulated by
flow-control fitting.

C. Safety Control: Automatic, high-temperature-limit cutoff device or
system on commercial units and where indicated. Include automatic
low-water cutoff device or system on commercial units where indicated.

D. Interior Finish: Materials that comply with requirements of
applicable NSF, AWWA, or FDA and EPA regulatory standards for tasteless
and odorless, potable-water-tank linings.

E. Tappings: Factory fabricated of materials compatible with tank.
Include tappings for piping connections, relief valves, pressure gage,
thermometer, blow down, vent, and controls as required and others as
indicated. Attach tappings to tank before testing and labeling. Include
tappings and connections as follows:

> 1\. 2-Inch NPS (DN50) and Smaller: Threaded ends.

2\. 2-1/2-Inch NPS (DN65) and Larger: Flanged ends.

F. Insulation: Fiberglass, polyurethane foam, or manufacturer\'s
standard that is suitable for operating temperature and required
insulating value. Include insulation material that surrounds entire tank
except connections and controls.

G. Jacket: Steel, with baked-on enamel finish, except where otherwise
specified.

H. Anode Rods: Factory installed, magnesium.

> I. Circulation Pump: Integrally mounted on the water heater package.

2.03 [COMMERCIAL, HORIZONTAL-GRID, FINNED-TUBE, GAS WATER HEATERS
(WH-2)]{.underline}

SEE EDITING INSTRUCTION NO. 3 IN THE EVALUATIONS FOR CAUTIONS ABOUT
SELECTING AND NAMING EQUIVALENT PRODUCTS AND MFRS.

A. Description: UL 795, packaged, horizontal-grid, finned-tube, gas
water heater complying with ANSI Z21.13 and for natural-gas fuel.
Include heater, storage tank, circulator, piping, and controls.

> B. Water Heater: Enclosed, insulated unit with controls.

1.  Construction: ASME labeled with 160-psig working-pressure rating.

RETAIN 1 OF 3 BELOW.

> 2\. Heat Exchanger: Copper, finned tube with bronze or glass-lined,
> cast-iron headers.
>
> 3\. Burner: Manufacturer\'s standard, for use with grid, finned-tube
> water heaters and natural-gas fuel.
>
> 4\. Automatic Ignition: Intermittent electronic ignition complying
> with ANSI Z21.20.
>
> 5\. Gas Shutoff Valve: ANSI Z21.15, manually operated. Furnish for
> installation in piping.

DELETE BELOW IF NOT REQUIRED.

> 6\. Pressure Regulator: ANSI Z21.18, factory or field installed, for
> gas appliances. Provide regulators with pressure rating, capacity, and
> pressure differential required for water heater and gas supply.

EDIT OR DELETE FIRST 2 SUBPARAS BELOW AS REQUIRED. VERIFY AVAILABILITY
FOR SELECTED WATER HEATER MODEL. THESE FEATURES MAY BE INCLUDED IN
MFR\'S STANDARD MODEL.

> 7\. Automatic Valve: ANSI Z21.21, appliance, automatic gas valve.

8.  Automatic Damper: ANSI Z21.66, gas-fired-appliance,
    automatic-vent-damper device.

9.  Draft Hood: Manufacturer\'s standard draft diverter; comply with
    ANSI Z21.12.

10. Pressure Relief Valve: ASME rated and stamped and complying with
    ASME PTC 25.3 and ANSI Z21.22. Include pressure setting less than
    water heater working-pressure rating. Furnish for installation in
    piping.

> 11\. Combination Temperature and Pressure Relief Valve: ASME rated and
> stamped and complying with ASME PTC 25.3 and ANSI Z21.22. Include
> relieving capacity at least as great as heat input and pressure
> setting less than water heater working-pressure rating.

a\. Option: Separate temperature and pressure relief valves are
acceptable instead of combination relief valve.

12. Flow Switch.

13. Spark Ignition.

C. Storage Tank: Insulated; provide anode rods and relief valve.

RETAIN 1 OF 2 BELOW. NON-ASME-CODE CONSTRUCTION TANKS ARE AVAILABLE.

> 1\. Construction: ASME labeled, steel with 160-psig (1100-kPa)
> working-pressure rating.

2\. Construction: ASME labeled, steel with 150-psig- (1035-kPa-) minimum
working-pressure rating.

3\. Combination Temperature and Pressure Relief Valve: ASME rated and
stamped and complying with ASME PTC 25.3 and ANSI Z21.22. Include
relieving capacity at least as great as heat input and pressure setting
less than water heater working-pressure rating. Select relief valve with
sensing element that extends into tank.

a\. Option: Separate temperature and pressure relief valves are
acceptable instead of combination relief valve.

RETAIN RELIEF VALVE BELOW TO PREVENT SIPHONING OF WATER FROM STORAGE
TANK AND TO PREVENT COLLAPSE OF COPPER LINING. DELETE IF NOT REQUIRED.

> 4\. Vacuum Relief Valve: Comply with ASME PTC 25.3. Furnish for
> installation in piping.

D. Mounting: Water heater, tank, and accessories factory mounted on
skids.

E. Circulator: UL 778, all bronze, inline, centrifugal, single-stage,
radially split case design, with mechanical seals; with 125-psig-
minimum working-pressure rating and 225 deg F continuous water
temperature.

F. Piping: Manufacturer\'s standard copper tubing.

G. Temperature Control: Adjustable, storage tank temperature-control
fitting and flow switch, interlocked with circulator and burner.

H. Safety Control: Automatic, high-temperature-limit cutoff; low-water
cut-off.

INSERT ADDITIONAL REQUIREMENTS HERE.

2.04 [COMMERCIAL, STORAGE, POWERED, GAS WATER HEATERS
(BOILERS)]{.underline}

[(B-1 THROUGH -7, WH-1)]{.underline}

SEE EDITING INSTRUCTION NO. 3 IN THE EVALUATIONS FOR CAUTIONS ABOUT
SELECTING AND NAMING EQUIVALENT PRODUCTS AND MFRS.

A. Description: UL 795, commercial, storage, powered, gas water heater;
with capacity more than 40 gal. and natural-gas input more than 75,000
Btuh.

RETAIN 1 OF 2 PARAS BELOW. NON-ASME-CODE CONSTRUCTION TANKS ARE
AVAILABLE.

B.  Storage Tank Construction: ASME labeled, steel with 150-psig
    working-pressure rating.

C. Burner: Powered gas burner for natural-gas fuel, and complying with
appropriate requirements of UL 795.

D. Gas Shutoff Valve: ANSI Z21.15, manually operated. Furnish for
installation in piping.

DELETE BELOW IF NOT REQUIRED.

E. Pressure Regulator: ANSI Z21.18, factory or field installed, for gas
appliances. Provide regulators with pressure rating, capacity, and
pressure differential required for water heater and gas supply.

EDIT OR DELETE FIRST 3 PARAS BELOW AS REQUIRED. VERIFY AVAILABILITY FOR
SELECTED WATER HEATER MODEL. THESE FEATURES MAY BE INCLUDED IN MFR\'S
STANDARD MODEL.

F. Automatic Ignition: ANSI Z21.20, automatic gas-ignition system and
components; spark ignition.

G. Automatic Valve: ANSI Z21.21, appliance, automatic gas valve.

H. Automatic Damper: ANSI Z21.66, gas-fired-appliance,
automatic-vent-damper device.

I. Combination Temperature and Pressure Relief Valve: ASME rated and
stamped and complying with ASME PTC 25.3 and ANSI Z21.22. Include
relieving capacity at least as great as heat input and pressure setting
less than water heater working-pressure rating. Select relief valve with
sensing element that extends into tank.

1\. Option: Separate temperature and pressure relief valves are
acceptable instead of combination relief valve.

RETAIN RELIEF VALVE BELOW TO PREVENT SIPHONING OF WATER FROM WATER
HEATER AND TO PREVENT COLLAPSE OF COPPER LINING. DELETE IF NOT REQUIRED.

> J. Vacuum Relief Valve: Comply with ASME PTC 25.3. Furnish for
> installation in piping.

1.  Exception: Omit where water heater has integral vacuum relieving
    device.

K. Safety: Automatic hi-temp cut-off; low water cut-off.

L.  **Alternate Boiler/Water Heater Package**:

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a.  Provide a skid-mounted boiler (minimum two boilers to a maximum four
    boilers per skid) package with all appurtances integrally mounted
    including applicable pump.

b.  Each skid-mounted boiler package to be independent and pre-tested.

c.  A central controller shall be provided to control all or any
    combination of boiler packages. The controller shall be capable of
    integrating with the Building Energy Management System.

d.  All packages shall be manufactured and provided by the same
    manufacturer of identical components.

e.  Each boiler package shall have single points of connection for
    entering water, leaving water, power, and controls.

f.  If individual boiler circulation pumps are not used the contractor
    shall have the hot water main circulation pump design reviewed by a
    professional engineer to ensure proper sizing to account for head
    pressure difrences.

INSERT ADDITIONAL REQUIREMENTS HERE.

2.05 [STORAGE TANKS (T-3, -4)]{.underline}

DELETE THIS ARTICLE EXCEPT WHEN SEPARATE COMPRESSION TANKS, NOT
SPECIFIED AS PART OF A PACKAGED UNIT, ARE REQUIRED.

A. Description: Steel, pressured-rated tanks constructed with welded
joints and factory-installed, butyl-rubber diaphragm. Include air
precharge to minimum system-operating pressure at tank.

RETAIN 1 OF 3 CONSTRUCTION PARAS BELOW.

B. Construction: ASME labeled with 150-psig (860-kPa) working-pressure
rating.

C. Interior Finish: Materials that comply with requirements of
applicable NSF, AWWA, or FDA and EPA regulatory standards for tasteless
and odorless, potable-water-tank linings.

INDICATE AIR-PRECHARGE PRESSURE IN SCHEDULE OR ON DRAWINGS.

D. Accessories: Include air-charging valve and pressure gage.

PART 3 - EXECUTION

3.01 [INSPECTION]{.underline}

A.  Inspect areas and conditions, with Installer present, for compliance
    with requirements for installation tolerances, housekeeping pads,
    and other conditions affecting performance of the water heaters.

B.  Inspect rough-in for hydronic, drainage piping, and electrical to
    verify actual locations of connections prior to installation.

C.  Do not proceed until unsatisfactory conditions have been corrected.

3.02 [CONCRETE BASES]{.underline}

COORDINATE SIZES AND LOCATIONS OF CONCRETE BASES. VERIFY STRUCTURAL
REQUIREMENTS WITH STRUCTURAL ENGINEER.

> A. Install concrete bases of dimensions indicated for water heaters
> and accessories. Refer to Division 3 Section \"Cast-in-Place
> Concrete\" and Division 15 Section \"Basic Mechanical Materials and
> Methods.\"

3.03 [WATER HEATER (BOILER) INSTALLATION]{.underline}

DELETE \"CONCRETE BASES\" IN FIRST SENTENCE BELOW WHERE BASES ARE NOT
REQUIRED AND INSERT \"FLOOR.\" EDIT AS REQUIRED FOR WALL- OR
SHELF-MOUNTING, POINT-OF-USE WATER HEATERS.

A.  Install concrete bases of dimensions indicated for water heaters and
    accessories. Refer to Division 3 and Section 15051 for concrete.

B.  Water Heater Installation

> 1\. General: Install water heaters on concrete bases. Set and connect
> units according to manufacturer\'s written instructions. Install units
> plumb, level, and firmly anchored in locations indicated. Maintain
> manufacturer\'s recommended clearances. Install so controls and
> devices are accessible for service.General:

2\. Anchor water heaters and storage tanks to substrate.

> 3\. Install seismic restraints as indicated and recommended by
> manufacturer, and as required in Section 15201.

INSERT SPECIAL REQUIREMENTS FOR SEISMIC RESTRAINTS HERE OR DETAIL ON
DRAWINGS.

DELETE BELOW WHEN GAS WATER HEATERS ARE NOT SPECIFIED.

C. Install and connect gas water heaters according to NFPA 54.

> 1\. Install gas pressure regulators on gas-burner inlets.
>
> 2\. Install vent piping from gas-train pressure regulators and valves
> to outside of building where required. Terminate vent piping with
> brass-screened vent cap fitting. Do not combine vents except with
> approval of authorities having jurisdiction.

DELETE BELOW IF OIL-FIRED WATER HEATERS ARE NOT SPECIFIED.

D. Install temperature and pressure relief valves in top portion of
storage water heater tanks and hot-water storage tanks. Use relief
valves with sensing elements that extend into tanks. Extend relief valve
outlet with water piping in continuous downward pitch and discharge to
closest floor drain.

DELETE BELOW IF NOT REQUIRED.

E. Install pressure relief valves in hot-water-outlet piping for water
heaters without storage. Extend relief valve outlet with water piping in
continuous downward pitch and discharge to closest floor drain.

DELETE PARA BELOW IF NOT REQUIRED.

F. Install vacuum relief valves in cold-water-inlet piping.

> G. Install vacuum relief valves in water heaters and hot-water storage
> tanks that have copper lining.

H. Install water heater drain piping as indirect waste to spill into
open drains or over floor drains. Install hose-end drain valves at low
points in water piping for water heaters that do not have tank drains.
Refer to Section 15401 for drain valves.

J. Install thermometers on water heater inlet and outlet piping.
Thermometers are specified in Section 15135.

K. Install pressure gages on water heater piping when and as indicated.
Pressure gages are specified in Section 15135.

L. Install inlet and outlet piping manifolds for multiple water heaters.
Fabricate, modify, or arrange manifolds for balanced water flow through
water heaters. Include throttling valves in outlet manifolds and
thermometers in inlet and outlet manifolds.

M. Install piping adjacent to water heaters to allow service and
maintenance.

N. Arrange for field-applied insulation on equipment and piping not
furnished with factory-applied insulation.

3.04 [CONNECTIONS]{.underline}

COORDINATE PIPING AND COMPONENTS WITH SCHEMATICS ON DRAWINGS AND
REQUIREMENTS SPECIFIED.

> A. Piping installation requirements are specified in other Division 15
> Sections. Drawings indicate general arrangement of piping, fittings,
> and specialties. The following are specific connection requirements:
>
> 1\. Connect hot- and cold-water piping to units with shutoff valves
> and unions. Connect hot-water circulating piping to unit with shutoff
> valve, check valve, and union.
>
> 2\. Connect gas piping to gas burner with drip leg, tee, shutoff
> valve, and union; minimum size same as inlet connection. Gas piping is
> specified in Section 15051-S.
>
> 3\. Make connections with dielectric fittings where piping is made of
> dissimilar metals. Dielectric fittings are specified in Section
> 15050-S.

B. Electrical Connections: Power wiring and disconnect switches are
specified in Division 16 Sections. Arrange wiring to allow unit
servicing.

C. Grounding: Ground equipment. Tighten electrical connectors and
terminals, including grounding connections, according to manufacturer\'s
published torque- tightening values. Where manufacturer\'s torque values
are not indicated, use those specified in UL 486A and UL 486B.

EDIT BELOW AS REQUIRED. SOME CONDENSING WATER HEATERS MAY REQUIRE
SMALLER VENT CONNECTIONS.

D. Gas, Water Heater Vent Connections: Connect to vent system. Include
draft hoods and diverters where required. Use vents same size as or
larger than water heater outlets, but not smaller than indicated, except
when smaller vent size has been calculated according to National Fuel
Gas Code. Comply with gas utility requirements for sizing. Gas vents are
specified in Division 15 Section \"Breechings, Chimneys, and Stacks.\"

3.05 [COMMISSIONING]{.underline}

DELETE REQUIREMENT FOR \"FACTORY-AUTHORIZED SERVICE REPRESENTATIVE\"
EXCEPT FOR LARGE WATER HEATERS, COMPLEX INSTALLATIONS, OR IF REQUIRED.

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.

B. Startup Services: Engage a factory-authorized service representative
to provide startup service and to demonstrate and train SNL's
maintenance personnel as specified below.

> 1\. Test and adjust operating and safety controls. Replace damaged and
> malfunctioning controls and equipment.
>
> 2\. Train SNL's maintenance personnel on procedures and schedules
> related to startup and shutdown, troubleshooting, servicing, and
> preventive maintenance.
>
> 3\. Review data in the operation and maintenance manuals. Refer to
> Division 1 Section \"Contract Closeout.\"

RETAIN SUBPARA ABOVE OR BELOW.

> 4\. Review data in the operation and maintenance manuals. Refer to
> Division 1 Section \"Operation and Maintenance Data.\"

5.  Schedule training with SDR at least 7 days\' advance notice.

6.  Ref. Section 01700 " Commissioning ".

C. Perform the following final checks before startup:

DELETE ITEMS BELOW IF NOT REQUIRED.

> 1\. Fill water heaters with water.
>
> 2\. Charge compression tanks with air.
>
> 3\. Check that piping system tests are complete.
>
> 4\. Check for piping connection leaks.
>
> 5\. Check for adequate combustion air.
>
> 6\. Check for clear vents and devices.
>
> 7\. Check for clear relief valve inlets, outlets, and drain piping.
>
> 8\. Check operation of pumps and circulators.
>
> 9\. Test operation of safety controls, relief valves, and devices.

D. Perform the following startup procedures:

> 1\. Energize electric circuits.
>
> 2\. Adjust operating controls.
>
> 3\. Adjust hot-water-outlet temperature settings.

3.06 [DEMONSTRATION]{.underline}

A.  Provide a factory-authorized service representative supervise
    start-up of equipment, to demonstrate operation, and to provide a
    minimum of 4 hours of owner training to train personnel.

END OF SECTION 15462