Slide Gate Specs.pdf - Plasti-Fab, Inc.

1.03 SUBMITTALSA. Submit the following for acceptance:1. Approval Drawingsa. Showing all critical dimensions.b. Showing principal parts and materials.2. Spare parts list (when applicable).1.04 DELIVERY, STORAGE AND HANDLINGA. Ship all valves with suitable packaging to protect products from damage.B. Protect valve threads, flanges, stems and operators from damage.PART 2PRODUCTS2.01 MATERIALSA. Gate body shall be:1. Engineered composite fiberglass reinforced plastic (FRP) completelyencapsulating an internal steel reinforcing structure.a. Molded to create a seamless corrosion barrier impervious tomoisture.b. FRP resin shall be polyester / vinyl ester.c. Internal Steel Reinforcing: Carbon Steel as needed fordeflection requirements.d. Internal Core Foam: 2lb (0.9kg) polyisocyanurate closed cellrigid foam.B. Guide Frame1. Head Frame: vinyl ester resin FRP / T-304L / T-316L / PREN __super duplex stainless steel.2. Guide Frame Rails: vinyl ester resin FRP / T-304L / T-316L / PREN__ super duplex stainless steel.3. Operator Support Yoke: vinyl ester resin FRP / T-304L / T-316L /PREN __ super duplex stainless steel.C. Stems and Gate Hardware1. Stem: Type T-304L / T-316L / PREN __ super duplex stainless steel.2. Gate Hardware: Type T-304L / T-316L / PREN __ super duplexstainless steel.D. Seals1. Side, and Flush Bottom Seals: Hollow Bulb J Seal molded of extrudedvirgin neoprene / EPDM.E. J-Seal Clamping Bar and Fasteners1. Clamping Bar: Type T-304L / T-316L / PREN __ super duplexstainless steel.2. Fasteners: Type T-304L / T-316L / PREN __ super duplex stainlesssteel.F. Lift Nuts and Thrust Nuts1. Manganese Bronze, ASTM B-584, Alloy 865.G. Thrust Collar1. Type T-304L / T-316L / PREN __ super duplex stainless steel.H. Handwheel1. Cast Iron, ASTM A-126, Class B.I. Anchor Bolts1. Type T-304L / T-316L / PREN __ super duplex stainless steel.J. Stem Cover1. Butyrate (manual handwheel).2. Clear PVC (Electric Motor Operators).K. Stem Guides (When applicable)1. UHMW2

2.02 SLUICE GATESA. Acceptable Manufacturers:1. Plasti-Fab Inca. Shall be Model No. LDSG XXXX (width x height of channel).2. Or approved equal. Pre-approved by Engineer at least 10 businessdays prior to bid date.a. Manufacturer must have a qualified Engineer on staff with atleast 5 years experience with hydraulic control gates.B. Gate valves shall exceed AWWA C-563:1. Leakage:a. Valves shall have a maximum leakage rate of 0.10 GPM perWetted Foot (1.24 LPM/m) of wetted linear seal underseating and unseating head pressures and shall provideadjustment to zero leakage.2.03 DESIGN CRITERIAA. Composition of the sluice gate laminate shall be in accordance with therecommendations shown in the Quality Assurance Report for ReinforcedThermostat Plastic (RTP) Corrosion Resistant Equipment preparedunder the sponsorship the Society of the Plastics Industry, Inc. (SPI) andthe Material Technology Institute of the Chemical Process Industries, Inc.(MTI) for “Hand Lay-up Laminates” and shall meet the specifications forType 1, Grade 10 laminates shown in Appendix M-1 of said report.1. Visual inspection for defects shall be made without the aid ofmagnification and defects shall be classified as to type and level asshown in Table 1 of ANSI/ASTM D2563-0, approved 1977, (or anysubsequent revision). Allowable surface tolerances are as follows:DEFECTSALLOWABLE TOLERANCECracksNoneCrazingBlistersChipsPitsDry SpotsFish EyesBurned AreasEntrapped AirWrinkles and solid blisters,not to exceed 1/8”Maximum Deviation: 10% ofthicknessSurface porosity (pinholes or Nonepores in the laminate surface)Exposed GlassNoneExposure of cut edgesScratches None more than .002” deep(.05mm)Foreign MatterNoneB. Maximum Fiber Stress3

1. Ultimate or yield, whichever applies, does not exceed 2.5 times theworking stress.C. Deflection1. Deflection across the gate width shall be limited to: L/360 or ¼”(6mm), whichever is less, at the maximum operating head.D. Head Pressure1. Gate shall be designed for a maximum head pressure of: __________inches / millimeters.E. Gate Size1. Gate Width: ___________ inches / millimeters.2. Gate Height: ___________ inches / millimeters.3. Gate Invert Elevation: ___________ inches / millimeters.4. Top of Wall Elevation: ____________ inches / millimeters.F. Surface Conditions1. All sluice gates shall be flat and level.2. Warpage throughout the entire gate shall not produce a crown ofmore than 1/16” (1.6mm) in any direction.3. Gates having reinforcing members bolted or bonded to flat sheetstock will not be acceptable.G. Sealed Area1. Sluice gate shall seal on bottom and sides.2.04 CONSTRUCTIONA. Gate Body1. Sluice gate body shall be manufactured of fiberglass reinforcedpolyester totally encapsulating an internal reinforcing structure.2. Each gate shall be molded individually to the exact dimensionsspecified. Seams and joints in and on the body are notacceptable.3. Sluice gates shall be manufactured of reinforced thermoset plastic.4. Gate body shall have UV Stabilizing pigment in the Resin to providelong-term protection from UV.5. The surface shall be resin rich to a depth of .010 inches to .020 inches(.25 - .51mm) and reinforced with C-glass and/or polymeric fibersurfacing material.6. The surface shall be free of exposed reinforcing fibers.7. The composition of these layers shall be approximately 95% (byweight) resin. The remaining laminate shall be made up ofcopolymer composite and reinforcing fibers in a form, orientationand position to meet the mechanical requirements.8. Structural reinforcing shall be utilized to attain the necessary stiffnessto meet deflection requirements, and shall be well encapsulatedwith a laminate not less than 1/4” (6mm) thick on each side toensure against any permeation by water to the core areas.9. A Type T-304L / T-316L / PREN __ super duplex stainless steel stemmounting bracket shall fasten to the gate with through bolts. Thethrough holes shall not pass through or be in contact with theinternal mild steel reinforcing.10. Core material must be 100% resistant to decay and attack by fungusand bacteria and be resistant to hydrocarbons.B. Seals1. The gate shall be equipped with elastomeric seals to reduce leakage.2. Elastomeric J-seals shall be made of molded or extruded neoprene /EPDM having a hardness range of 55 to 65 shore A durometerand conforming to ASTM spec. D-2000 having a maximum4

compression set of 25%, and low temperature brittleness to meetsuffix F-17 (-40 0 ).3. Seals, including bottom seals, shall be mounted on guide (or gate)with type T-304L / T-316L / PREN __ super duplex stainless steelcap screws and type T-304L / T-316L / PREN __ super duplexstainless steel or FRP clamping bars.C. Frames and Guides1. Guides shall be styled for embedment / wall mounting / in-channelmounting as shown on the contract drawings and/or gateschedule.2. Guides shall be fabricated from vinyl ester resin FRP / T-304L / T-316L / PREN __ super duplex stainless steel and shall have a slotsuitable for mating with the gate body.3. Where self-contained guides are extended above the operating floorlevel to form the bench stand upon which the lift mechanism isfastened, they must be suitably strong and rigid without the use ofadditional stiffening members.4. The head rail shall be affixed so as to allow the gate to be removedfrom the guide without disassembly.5. The head rail shall have a maximum deflection of 1/4” (6mm) whensubjected to a horizontal force of four times the 40 lb. (2.8 ksc)maximum hand wheel pull.6. Where a wall mounted guide frame extends above a concrete wall thetop anchor bolt shall be not more than 6” (152mm) below the top ofthe wall.7. Gate inverts shall be flush with the channel bottom.8. If the Gate width is greater than 2x the gate height, a tandem stemshall be used.9. Guides to be bolted to the head wall shall be equipped with heavy dutymounting angle for ease of mounting to the channel wall by meansof Type 304L / 316L / PREN __ super duplex stainless steelanchor bolts.10. The guide frame will have a 3/8” (9.5mm) x 2” (51mm) deep slot andshall have a minimum thickness of 1/4” (6mm).11. All guides shall be factory assembled with bonded corners usingcontoured butt straps.12. The corner shall be capable of withstanding a torque of 300 footpounds (41.5kgf m) pull applied parallel to the gate slot in eitherdirection.13. No wall thimbles shall be required for installation.D. Lifts & Operators1. Operators shall be sized to start the gate moving under a maximumhead pressure with a pull of not more than 40 lbs (2.8 ksc).2. A manual hand wheel / crank shall be supplied that is compatible withthe lift.E. Electric, pneumatic or hydraulic Operators (OPTIONAL)1. Gate Manufacturer shall provide actuators per Motor OperatorManufacturer’s recommended sizes based on Operating Forcesand design requirements and shall be for open/close / modulatingservice.F. Operating Stems1. Each slide gate shall be equipped with a rising / non-rising operatingstem. The stem shall be Type 304L / 316L / PREN __ superduplex stainless steel stainless steel.2. The stem will have Acme threads and shall be provided withadjustable stop collars to limit upward and downward travel.5

3. Stems shall have a maximum L/R of 200.4. Stem guides with bronze or FRP bushings shall be used to maintainan L/R of 200.G. Stem Covers1. Transparent plastic stem covers shall be provided with vent holes tominimize condensation.2. The stem covers shall be marked with `Open’ and `Closed’ positionindicators.H. Pedestals1. For non self-contained guide frames a floor / wall mounted pedestalshall be furnished for mounting the operator.2. Pedestal material shall be type T-304L / T-316L / PREN __ superduplex stainless steel.2.05 PHYSICAL PROPERTIESA. Structural characteristics for a 1/8” (3mm) glass mat laminate shall meet thefollowing minimum physical properties:Tensile strengthFlexural ModulusFlexural StrengthCompressive StrengthImpact StrengthWater absorption15,000 psi (1034 ksc)1,000,000 psi (70307 ksc)20,000 psi (1406 ksc)22,000 psi (1547 ksc)9.0 ft-lbs/in. (1.24 kgf.m/25mm)0.13% (in 24 hours)B. Seals: Extruded Virgin Neoprene / EPDM Seals shall have the followingphysical characteristics:Specific Gravity 1.25Hardness55 – 65 Shore A DurometerTensile Strength1500 psi min. (0.07ksc)Elongation 300%Low temperature brittleness - 40PART 3EXECUTION3.01 INSTALLATIONA. Thoroughly clean and remove all shipping materials prior to setting.B. Install Gates per Manufacturer’s recommendations.C. Operate all valves from fully opened to totally closed.3.02 FIELD TESTING (OPTIONAL)A. Qualified Factory representative shall provide (8) hours of training for facilityemployees. (Optional)B. Representative shall complete a Certification of Proper Installation andprovide copies to the Owner, Engineer, Contractor and ManufacturingFacility. (When applicable)END OF SECTION6