SLUICE GATES
A. Furnish all labor, materials, equipment and incidentals required and install, complete and ready for operation and field test sluice gates, floor stands, operators, rising operating stems, wall brackets for stem guides and floor stand mounts, wall thimbles, and appurtenances as shown on the Drawings and as specified herein.
B. When electrically operated gates and appurtenances are shown, each shall be provided with a manual override handwheel.
C. Electric motors shall be furnished as part of the work of this Section, and shall be in accordance
with Section XXXX.

1.02 RELATED WORK
A. Electric motors are included in Section XXXXX and shall be furnished and installed under this Section.
B. Concrete work is included under Division 3.
C. Miscellaneous metals are included in Division 5. Anchor bolts, however, shall be furnished and
installed under this Section.
D. Field painting is included in Division 9.
E. Electrical work is included in Division 16.
F. Instrumentation is included under Division 17.

1.03 SUBMITTALS
A. Submit, in accordance with Section 01300, copies of all materials required to establish compliance with this Section. Submittals shall include the following:
1. Complete description of all materials.
2. Certified shop and installation drawings showing all details of construction including material thickness, dimensions, tolerances, clearances, and anchor bolt locations.
3. Descriptive literature, bulletins and/or catalogs of the equipment.
4. A complete bill of materials.
5. The weight of each component.
6. A list of manufacturer's recommended spare parts with the manufacturer's current price for each item. Include gaskets, packing, etc. on the list. List bearings by bearing manufacturer's numbers only. Provide the generic or commercial part number for spare parts, nuts, and bolts, in addition to the manufacturer's part number.
7. Description of surface preparation and shop prime painting of gates andaccessories.
8. Design calculations for the gate and actuator. Calculations shall identify loading conditions, anchorage, and shall verify that stresses and deformations will not impair operation and are within specification requirements. These calculations shall be stamped  by a professional or mechanical engineer experienced in gate design.

B. Operation and Maintenance Data
1. Operating and maintenance instructions shall be furnished as provided for in Section 01730. The instructions shall be prepared specifically for this installation and shall include all required cuts, drawings, equipment lists, descriptions, etc, that are required to instruct operating and maintenance personnel unfamiliar with such equipment. The maintenance instructions shall include trouble shooting data and full preventive maintenance schedules.

C. Test Reports to be submitted:
1. Description of test procedures and equipment.
2. Copies of all test results.

E. In the event that it is impossible to conform with certain details of the specifications due to different manufacturing techniques, describe completely all non-conforming aspects.

1.04
REFERENCE STANDARDS
A. American Society for Testing and Materials (ASTM)
1. ASTM A126 - Standard Specification for Gray Iron Castings for Valves, Flanges and Pipe Fittings.
2. ASTM A249- Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
3. ASTM A276 - Standard Specification for Stainless Steel Bars and Shapes.
4. ASTM B98 - Standard Specification for Copper-Silicon Alloy Rod, Bar and Shapes.
5. ASTM F593, Standard Specification for Stainless Steel Bolts, Hex Cap Screws, and Studs
6. ASTM F594, Standard Specification for Stainless Steel Nuts

B. American National Standards Institute (ANSI)
1. ANSI!AWWA C561 - Standard for Fabricated Stainless Steel Slide Gates.

C. Where reference
is made to one of the above standards, the revision in effect at the time of bid opening shall apply.

1.05 QUALITY ASSURANCE
A. All equipment specified under this Section shall be furnished by a single manufacturer, unless specifically noted otherwise, who is fully experienced, reputable and qualified in the manufacture of the equipment furnished. The sluice gates, operators, operating stems, wall thimbles and all related equipment shall be designed, manufactured and installed in accordance with the best practices and methods and shall operate satisfactorily when installed as shown on the Drawings.

B. All equipment furnished under this Section shall be new and unused and shall be the standard products of manufacturers having a successful record of manufacturing and servicing the equipment and systems specified here in.

C. Services of Manufacturer's Representative
1. A factory representative who has complete knowledge of proper operation and maintenance shall be provided for one 8- hour day (exclusive of travel time) to instruct representatives of the Owner on the proper operation and maintenance of the equipment and shall be on-site during the setting of the first sluice gate. The instruction period shall be scheduled with the Owner at least 10 days in advance and shall take place prior to start-up and acceptance by the Owner. This day is in addition to the three days required under Part 3 of these documents for Inspection and Testing.
2. If there are difficulties in operation of the equipment due to the manufacturer's fabrication or the Contractor's installation, additional service shall be provided at no change in Contract Price or Time.

1.06 SYSTEM DESCRIPTION
A. Refer to the Sluice Gate Schedule, Table 11281-A, provided on the last page of this specification
for gate location, number of units, equipment tag number, etc.

1.07 TOOLS AND SPARE PARS
A. Special tools and spare parts required for normal operation and maintenance of the equipment
shall be furnished in accordance with Section 01100.

1.08 WARRANTY
A. The equipment shall be warranted for a period of one year from the date of substantial completion, as defined under the General Conditions, to be free from defect in workmanship, design, and material. If the equipment should fail during the warranty period due to a defective part(s), it shall be replaced and the machine and the unit is restored to service at no additional cost to the Owner. Refer to Section 01740 for additional requirements.

PART 2 PRODUCTS
2.01 MATERIALS AND EQUIPMENT
A. Sluice gates shall conform to the standard requirements for fabricated stainless steel slide gates,
ANSI/AWWA C561, except as otherwise specified herein, and shall have the characteristics and
following dimensions as shown in Table 11281-A, at the end of this section.
B. The gates shall be conventional type, rising stem unless otherwise noted, fabricated of 316
stainless steel having a minimum thickness of /4-inch, and shall be designed to have adequate
strength to prevent distortion in handling and placing and under any condition of service
outlined herein. All metal used in the fabrication of these gates shall be Type 316 stainless steel.
C. Guide Rails and Frame: The guide rails shall be constructed of formed 316 stainless steel plate
with a minimum thickness of 1/4-in. Frame design shall be suitable for mounting directly to a
wall with stainless steel anchor bolts. A rigid stainless steel invert weldment shall be provided
across the bottom of the frame. Guides shall be of sufficient length as to retain and support
fully support the vertical height of the gate in the fully open position. Where the guides extend
above the operating floor, they shall be sufficiently strong so that no further reinforcing
shall be required. The yoke, to support the operating benchstand, shall be formed by two structural
members welded at the top of the guides to provide a one-piece rigid frame. The yoke shall be
designed to allow for slide removal without removing the yoke.
D. Slide: The disc or sliding member shall be fabricated of stainless steel plate reinforced with
structural members welded to the plate. The disc shall not deflect more than 1/720 of the span of
the gate under the design operating head conditions. A neoprene seal shall be attached to the
bottom of the slide and shall be held in place with stainless steel retainers. The slide gate
assembly shall be fitted with ultra-high molecular weight polyethylene (UHMWPE) invert, side,
and top seals. Upward opening gates shall have flushbottom invert seals attached to the frame or
slide. The invert seals shall be neoprene or EPDM.
E. Adjustable wedges: Adjustable wedge bars shall be provided across the top and
along the sides of the opening to maintain seal compression.Wedge bars shall be stainless steel with seat
facings of UHMWPE attached with stainless steel fasteners. The side wedges shall have an adjusting jack bolt and be provided with a locking bolt to secure the wedge bar to the guide frame following final adjustment. Each sluice gate shall be provided with intermediate top stainless steel wedges with UHMWPE faces and shall be fully adjustable and lockable.
F. Seals: Neoprene crown seal with UHMWPE bearing bars held in place in the guide with stainless steel fasteners. Primary contact with the bearing bar shall be through the UHMWPE bearing bar. The neoprene shall not be solely relied upon for the contact seal. Crown seals shall be removable without removing gate from concrete or wall thimble. Seals in contact with slide shall have a minimum face width of 1 inch. J bulb, P seals, or winged UHMW seals will not be allowed.
G. Stem: The stem shall be of Type 316 stainless steel for the entire length, the metal having a tensile strength of not less than 60,000 psi. The operating stem will have minimum diameter of 1-1/2-in. The stem shall have sufficient diameter at the base of the thread to lift the weight of the gate, offset the resistance of the gate to the maximum unbalanced head, and fully allow for starting impact. The stem shall be designed to transmit in compression at least 2 times the rated output of the crank operated floor stand with a 40 lb effort on the crank and 1.25 times the stall thrust of the electric operator. The threaded portion of the stem shall have machine rolled or machine cut, full depth Acme threads with a 16 micorinch or better surface finish. . Stems of more than one section shall be joined by stainless steel couplings pinned and bolted to the stems. All threaded and keyed couplings of the same size shall be interchangeable. The gates shall be provided with adjustable bronze stop collars on the stem to prevent overclosing of the gate. The stem guides shall have clear plastic stem covers.
H. Stem Guides: Stem guides shall be supplied to support each stem. Stem guides shall be stainless
steel with ultra high molecular weight polymer bushings. Bushings shall be adjustable. Stem guide spacing
shall not exceed 10-ft and the L/R ratio shall not exceed 200.
1. Leakage: Under the design head, seating and unseating, leakage shall not exceed 0.1 gpmft of
seating perimeter. Leakage for all sizes shall be below that allowed by AWWA C561 standards
for fabricated stainless steel slide gates.
J. Materials
Components Materials
Guide Rails, Yokes, Slide and Retainers Stainless Steel, Type 316, ASTM A-240
Invert and Stiffeners Stainless Steel, Type 316, ASTM A-276
Stems Stainless Steel, Type 316, ASTM A-276
Fasteners and Bolts Stainless Steel, Type 316, ASTM A-276
Invert Seal, Crown Seal Neoprene ASTM D-2000, EPDM or Buna-N
Crown Seal Seat and Facing
Ultra-High Molecular Weight Polyethylene
ASTM D4020
Wedges Stainless Steel, Type 316, ASTM A-240
Lift Nuts, Stop Nuts Bronze ASTM B98
Stem Block Stainless Steel, Type 316, ASTM A-240
Pedestal Cast Iron ASTM A126, Class B, ASTM A48,
Class 30 or ASTM A36 steel or stainless steel
K. Wall thimbles: Wall thimbles shall be F type and the thimble depth shall be equal to the thickness of the concrete wall in which the thimble is to be located. They shall be cast iron, ductile iron or stainless steel one-piece construction of adequate section to withstand all operational and reasonable installation stresses. Fabricated stainless steel wall thimbles shall be constructed in accordance with AWWA C561 and shall have a minimum thickness of /4-inch. Front flange of iron thimble shall be machined to a true surface and accurately drilled and tapped as required for stud bolts. A water stop shall be cast around the periphery of the thimble. Large rectangular wall thimbles will be provided with holes in the invert to allow air to
escape during concrete placement beneath the thimble. Studs and nuts shall be stainless steel, ASTM A276,
Type 304. A suitable gasket or mastic shall be provided between the sluice gate and the wall thimble or wall casting.
L. Stainless steel sluice gates shall be manufactured by
Fontaine Industries Ltd, Magog, Quebec,Canada; Whipps, Inc., Athol, MA; or Waterman Industries, Exeter, California, USA

2.02 OPERATORS
A. Unless otherwise shown on the Drawings, gates shall be operated by a gear operated hand wheel or gear operated stand mounted on the yoke. The benchstand shall be fully enclosed, equipped with roller bearings
above and below the operating nut and with a mechanical seal around the operating nut. The pinion shaft shall be stainless steel and supported on roller bearings. A mechanical seal shall be provided around the pinion shaft where it extends from the hoist enclosure. Operating nut shall be compatible with a portable electric operator. The hand wheel shall be of cast iron with revolving cast iron or brass grip. Hand wheel operators shall have a minimum 18-in diameter hand wheel and shall operate the gate under the specified
operating head with not greater than 40 lbs of force on the hand wheel. An arrow with the word "OPEN"
shall be permanently attached or cast onto the operator to indicate the direction or rotation to open the gate. The direction of rotation to open shall be clockwise.

B. A side mount or front mount operator system utilizing right angle bevel boxes, stainless steel interconnecting shafting, and flexible couplings shall be furnished by the manufacturer when the benchstand is located over 48-in above the operating floor. The transmission system design shall provide for the gate to be operated from a position 30-in above the operating floor.

C. Bevel boxes for the transmission system shall be provided with stainless steel pinion shafts
supported on roller bearings. A mechanical seal will be provided around the pinion shaft where it extends from the bevel box enclosure.

D. Floor stands shall be furnished for all other gate operators not supported on the gate yoke. Floor
stands shall be cast iron or stainless steel construction. The pedestal height shall be such that the crank shaft will be approximately 36-in above the operating floor. Wall brackets shall be used to support floor stands where shown on the Drawings and shall be furnished in cast iron or stainless steel construction, designed to withstand all normal operating loads. Where shown on the Drawings, floor stands shall be offset type mounted on the floor surface and offset to align with the gate stem. The floor stand shall be mounted on a heavily ribbed reinforced cast iron or stainless steel bracket anchored to the concrete with Type 316 stainless steel anchors. The bracket and anchor bolts shall be sized to transfer the upward or downward thrust required to ultimately fail the stainless steel stem. The design and detail of the brackets and anchor bolts shall be provided by the gate manufacturer and shall be approved by the Engineer. The bracket,
anchors, backplate and accessories shall be supplied as part of the gate assembly by the gate manufacturer.

E. Electric operators shall be furnished where shown on the Drawings and shall be electric operated
floor or bench stand mounted and shall include the motor, operator unit gearing, limit switch gearing, limit switches, torque switches, stem nut, declutch lever and auxiliary hand wheel. The motor operator shall drive the gate stem at a rate of one foot per minute.
1. The motor shall be specifically designed for gate operator service and shall be continuous duty rated (modulating service only), of a high torque, totally enclosed non-ventilated construction with the motor leads brought into the limit switch compartment without having external piping or conduit box. The motor shall be of ample size to open or close the gate against maximum load when voltage to the motor terminals is within 10 percent of the nominal voltage. It shall be prelubricated and all bearings shall be of the anti-friction type. Motors shall be of weatherproof construction unless otherwise shown and shall have encapsulated windings with void free slot penetration and be capable of passing water immersion test as outlined in NEMA MGI-20.48 to provide protection against moisture ingress and condensation when the motor is not running. Threaded condensate drain holes shall be suitably positioned on the lower external surface to expel
any moisture that may have accumulated. Motor power requirements shall be as specified below. Actuators shall be '0' ring sealed, watertight to NEMA 6, IP68 during operation and remain so after installation. At the same time actuator shall have an inner watertight and dustproof '0' ring seal between the terminal compartment and the internal electrical elements of the actuator fully protecting the motor and all other internal electrical elements of the actuator from ingress of moisture and dust when the terminal cover is removed onsite for cabling. Enclosure must allow for temporary site storage without the need for electrical supply connection. A space heater shall not be required due the enclosure design.
2. The power gearing shall consist of carburized and hardened alloy steel worms with threads ground after heat treating. The worm gear shall be of alloy bronze, accurately cut with a hobbing machine. Where required, additional generated helical gears of heat treated steel shall be used. All power gearing shall be suitably lubricated with oil or grease and shall be suitable for mounting in any position. Ball or roller bearings shall be used throughout.
3. Limit switches and gearing shall be an integral part of the gate operator. The limit switch gearing shall be
totally enclosed in its own gear case and permanently grease or oil lubricated. The limit switch mechanism shall be designed so that one set of limit switches is provided for each direction of travel and shall be provided with two normally open and two normally closed contacts per set of switches. The switches shall be adjustable to allow the switch to trip at any point on the gate's travel. The limit switches shall be geared
to the drive mechanism and in step at all times whether the unit is in motor or manual operation. A mechanical gate position indicator shall be provided to indicate gate opening.
4. The gate control shall be equipped with a double torque switch. The torque switch shall be adjustable and shall be responsive to load encountered in either direction of travel. It shall operate during the complete cycle to protect the gate should excessive load be met because of obstruction in either direction of travel.
5. The operator shall have a stem nut of high tensile bronze for open-close service. Stem nuts for modulating
service shall have a bronze stem nut. The nut arrangement shall be of the 2-piece type to simplify field replacement. The stem nut shall be capable of being removed from the top of the operator without the necessity of removing the operator from the floor stand or disassembling any of the gearing within the operator.
6. A handwheel shall be provided for manual operation. The handwheel shall not rotate during electric
operation, but shall be responsive to manual operation at all times except when the motor is in operation. The motor shall not rotate during hand operation, nor shall a fused motor prevent hand operation. When in the hand operating position, the unit shall remain in this position until the motor is energized, at which time the operator shall automatically return to electric operations and shall remain in the electric position until hand operation is again desired. This movement from electric to hand operation shall be accomplished by a positive declutching lever which shall disengage the motor and motor gearing mechanically, but not electrically. It shall be impossible to place the unit in hand operation when the motor is running. When
in hand operation, not more than 40 lbs of force shall be required on the handwheel for operation of the gate. An arrow shall be cast on the handwheel labeled to indicate the direction of rotation to open the gate. The direction of rotation to open shall be clockwise.
7. Furnish floor stands as required for operators and as specified above. The floor stand, anchors and accessories shall be supplied as part of the gate assembly by the gate manufacturer.
8. A weatherproof locking device shall be provided on the gate operator to prevent use of the manual operator and prevent access to the locally mounted electric controls. The device shall allow remote operation.
9. Furnish fracture-resistant clear lexan or butyrate plastic stem covers complete with indicator markings
to indicate gate position. Stem covers shall not discolor or become opaque for a minimum of 5 years after installation. The top of the stem cover shall be closed. The bottom end of the stem cover shall be mounted in a housing or adapter plate for easy field mounting. Stem covers shall be complete with indicator markings to indicate gate position.
10. Enclosures shall be FM certified or UL certified and shall be provided with space heaters to prevent condensation.
11. Each operator shall be provided with its own electrical controls housed in a NEMA 4 enclosure (unless otherwise shown) which shall be part of the operator. The controls shall be completely factory wired to the motor, limit switches and torque switch such that the only field wiring connection required shall be for power supply and signal. All field wiring shall be to terminal strips.
12. Actuators shall include a diagnostic module, which will store and enable download of historical actuator data to permit analysis of changes in actuator or valve performance. A software tool shall be provided to allow configuration and diagnostic information to be reviewed and analyzed and reconfigured. Additionally, diagnostic data shall be available over an IrDATM port, which can be relayed to a remote facility by an IrDA" compatible device (laptop PC, PDA, cell-phone, etc.) After remote analysis, changes to the actuator
configuration can be relayed back the actuator via the device.
13 Diagnostic status screens must be provided to show multiple functions simultaneously so troubleshooting can be affected rapidly and efficiently. All diagnostic information should be contained on no more than eight (8) screens so multiple functions can be checked simultaneously. Provision shall be made to graphically display valve torque demand as a percent of rated actuator torque vs. position simultaneously in 1% increments so as to facilitate valve trouble shooting and diagnostics.
14. Electrical operators arranged for open-close operation shall open and close the gate between the limit switch settings in response to a local or remote signal. The controls shall consist of a reversing starter with control power transformers. Control power shall be 110 Volt. A Raise-Stop-Lock-Lower pushbutton station shall be furnished and mounted as an integral part of the controls. A lockable Local-Remote selector switch shall also be provided to allow response to a remote Raise-Lower control. Provide an auxiliary
set of contacts for remote position indication of selector switch for PLC monitoring. In addition to the mechanical position indicator, two LED indicating lights, one green and one red, shall be furnished. The lights shall be wired such that the green light shall be illuminated when the gate is fully closed, the red light shall be illuminated when the gate is fully open and both lights shall be illuminated when the gate is in any intermediate
position. The power supply to the gate operator shall be 480 Volts, 3 Phase, 60 Hz.
15. The electric operators shall be by Rotork Controls Inc. Rochester, NY; Auma Actuators
Inc, Pittsburgh, PA, or approved equal.

2.03 SURFACE PREPARATION AND SHOP PRIME PAINTING
A. All surfaces shall be prepared and shop primed as part of the work of this Section. Surface
preparation and shop painting shall be as specified in Section 09901. Finish painting is included
in Section 09902. Stainless steel shall not be painted. All weld burn and weld slag on stainless
steel shall be sandblasted to provide uniform finish.

PART 3 EXECUTION
3.01 INSTALLATION
A. Installation of all gates, guides and appurtenances shall be performed by the Contractor in a workmanlike manner. It shall be the responsibility of the Contractor to handle, store and install the equipment specified in this Section in strict accordance with the manufacturer's drawings and recommendations.
B. Frames and guides shall be installed in a true vertical plane and shall be installed with 90 degree corners.
C. The installation of the first gates shall be under the supervision of a representative of the manufacturer furnishing the gates.

3.02 INSPECTION AND TESTING
A. Furnish the services of a factory representative for 3 days, who has complete knowledge of the proper installation, startup and operation of the sluice gates, to inspect the final installation and supervise testing of the equipment. If there are difficulties in operation of the equipment due to the manufacturer's fabrication or Contractor's installation, additional service shall be provided at no cost to the Owner.
B. After installation, all sluice gates shall be field tested at maximum differential head to ensure that all items of equipment are in compliance with this Section, including the leakage requirements. Each gate shall be cycled through a minimum of three consecutive full open/close cycles. Gates shall operate without binding, scraping, or distorting. The effort to open and close manual operators shall be measured, and shall not exceed the maximum torque specified above. Electric motor and operators shall function smoothly
and without interruption. Each gate shall be given a hydrostatic test to insure that leakage does not exceed the limits specified above.
C. In the event that any unit fails to meet the above requirements, the necessary changes shall be made and the unit retested. If the unit remains unable to meet the test requirements to the satisfaction of the Engineer, it shall be removed and replaced with a satisfactory unit and retested at no change in Contract Price or Time.
D. The manufacturer shall certify in writing that the slide gates, operators, and appurtenances have
been properly installed and are operating correctly.