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grease interceptors
Passive
Grease
Interceptors
User's Manual
Installation, Operation & Maintenance
Carefully read and follow the instructions in this
Highland Tank
TANK
¨
count on our products. trust in our people.
814.893.5701
|
Single, Double &
Triple-basin
manual.
highlandtank.com
HT-2816
Proudly made
in America
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Related Manuals for Highland Tank PGI
Summarization of Contents
Standard PGI Description
PGI Design and Function
Describes the PGI's design for separating fats, oils, grease, and solids from food service facilities.
Important Points for Installation
Site Preparation and Access
Ensuring adequate site space and crane clearance for PGI unloading and positioning.
PGI Handling and Lifting
Guidelines for lifting, rotating, and moving PGIs to prevent damage during installation.
Hold-Down Systems and Safety
Predetermining PGI hold-down methods and adhering to confined space entry safety protocols.
Location and Material Considerations
Optimizing PGI location and avoiding specific materials for better performance and longevity.
Piping and Freeze Protection
Designing piping for laminar flow and protecting the PGI and piping from freezing.
Start-Up Checklist
Steps for filling the PGI with water and completing initial start-up reports and documentation.
Installation Procedures
Care in Handling and Unloading
Precautions for mechanically unloading and handling PGIs to prevent damage to the unit or its coating.
Lifting and Moving PGIs
Proper techniques for lifting and moving PGIs using lugs, cables, and spreader bars.
Pre-Installation Inspection and Testing
Visually inspecting the PGI for shipping or handling damage and performing necessary repairs.
Coating Repair Procedures
Methods for cleaning and repairing damaged PGI coating using supplied touch-up kits.
Internal Piping Inspection
Checking internal piping for secureness and damage, following confined space entry rules.
Excavation and Bedding
Excavation Requirements
Ensuring excavation space, freedom from sharp materials, and determining correct depth.
Bedding Material Specifications
Using homogenous, compacted clean sand, pea gravel, or crushed stone for bedding.
Bedding Depth and Perimeter Fill
Minimum one-foot bedding depth and two-foot perimeter fill for PGI support.
PGI Placement and Leveling
Installing the PGI in a level and plumb position, checking elevations within specified tolerances.
Anchoring and Stability
Resisting Buoyant Forces
Using hold-down straps with concrete pads or deadman anchors to counteract buoyant forces.
Hold-Down Strap Isolation
Ensuring steel hold-down straps do not contact the PGI shell using insulating material.
Deadman Anchoring System
Description of Highland Tank's deadman anchoring system using concrete anchors and polyester straps.
Concrete Hold-Down Pad Installation
Proper bedding layer over the concrete pad to separate the PGI and avoid damage.
Backfilling and Ballasting
Backfill Material and Compaction
Using approved backfill material for uniform environment and ensuring even support around the PGI.
Ballasting for Groundwater
Using water ballasting for groundwater presence to add downward force and maintain stability.
Manway Extensions
Types of Manway Risers
Details on field-adjustable polyethylene and coated-steel manway risers for access.
Piping and Venting
Inlet/Outlet Piping Installation
Guidelines for installing inlet/outlet piping, ensuring straight runs, few turns, and proper slope.
Venting Requirements
Ensuring the PGI outlet is vented to atmosphere per local codes and AHJ requirements.
FOGSWatch Probe Installation
NPT Fitting Installation
Procedure for installing the FOGSWatch probe using an NPT fitting and appropriate sealant.
Steel Manway Riser Installation
Procedure for installing the FOGSWatch probe through a steel manway riser.
Sealing and Final Touches
Coating Exposed Steel
Applying touch-up coating to all exposed steel surfaces, including lifting lugs and pipe connections.
Backfill Preparation and Curing
Verifying coating cure and carefully depositing backfill to protect the coating.
Final Backfilling and Operation
Backfilling to Grade
Completing backfill to grade level and using appropriate covers for access points.
Operational Water Requirement
Ensuring the PGI is full of water for proper operation and noting flammability risks.
PGI Start-Up
Safety Compliance
Adhering to OSHA regulations for breathing equipment, protective clothing, and safety gear.
Filling the PGI with Water
Steps to fill the PGI with clean water, check levels, and ensure proper flow before operation.
Operation Principles
FOG Separation Mechanism
How the PGI separates FOG and solids by specific gravity and gravity displacement through chambers.
Influent Flow Diffusion Baffle Function
The role of the influent baffle in managing water flow velocity and turbulence.
Treated Water Discharge
How treated water exits the PGI and its destination for disposal or reuse.
Routine Maintenance Requirements
The critical nature of maintenance for PGI performance, including pump-out and cleaning.
Confined Space Entry Safety
Strict protocols for entering PGIs, requiring training and approved safety equipment.
Inspection and Maintenance Logging
Inspection Requirements
Ensuring regular PGI inspections are completed and documented per regulations.
Maintenance Log Importance
Creating and maintaining a log to track service history and determine optimal cleaning intervals.
Maintenance Procedures
Entry Precautions and Safety
Atmosphere testing, use of breathing apparatus, and essential safety equipment for PGI entry.
Pre-Entry Checks
Closing pipe valves, inspecting manway gaskets, and removing all liquid before entry.
Performance Monitoring
Regular inspections for optimum performance and checks after heavy flow events.
Determining FOG/Solids Thickness
Measuring FOG and solids layers to determine when the PGI requires cleaning out.
PGI Pump-Out Process
Procedure for closing valves, removing contents, and cleaning the PGI, including disposal requirements.
Restarting the PGI
Steps for reattaching covers, ensuring gasket integrity, and refilling the PGI.
PGI Configurations
Single-basin Design
Description of single-basin interceptors with one collection chamber and a sludge baffle.
Double-basin Design
Description of double-basin interceptors with two collection chambers and a sludge baffle.
Triple-basin Design
Description of triple-basin interceptors with three chambers, including options for pump systems.
Options and Accessories
Specialty Equipment Options
List of optional features like heating, insulation, sampling ports, and monitors.
Best Management Practices (BMPs)
FOG Reduction Strategies
Practices to minimize FOG entering the sewer system from food service facilities.
Preventing Grease in Drains
Specific actions like scraping, collecting fryer oil, and using strainers to avoid grease discharge.
Staff Awareness and Training
Importance of 'NO GREASE' signs and refresher training for employees on proper disposal.
Aboveground PGI Installation
Site Placement and Support
Installing aboveground PGIs on concrete pads, ensuring levelness and maintenance access.
Piping and Venting for Aboveground
Following established guidelines for piping and venting, consulting AHJ for specific requirements.
Sealing Connections and Curing
Coating exposed steel and verifying cure before final installation steps.
Start-Up for Aboveground Units
Continuing with the standard start-up instructions after installation is complete.
Inspection and Maintenance Logs
Facility and PGI Details
Recording essential information about the facility and the PGI unit for tracking.
Service Provider Information
Documenting the details of the service or maintenance provider for accountability.
Grease Hauler Manifest
Food Service Establishment Data
FSE information, waste details, capacity, and certification of non-hazardous material.
Transporter and Disposal Records
Tracking transporter details, vehicle capacity, and disposal site information.
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