Containment Solutions  

Underground Steel Oil/Water Separator Single or Double Wall. CSI 3-Part Specifications.

SPECIFICATIONS

UNDERGROUND STEEL OIL/WATER SEPARATOR - SINGLE OR DOUBLE WALL
SECTION 02700
DRAINAGE

PART 1: GENERAL

1.01 Related Documents

  1. The provisions of the General Conditions, Supplementary Conditions, Sections included under Division 1, General Requirements, and Section of this Division are included as part of this Section as though bound herein.
  2. Refer to details and schedules on the drawings for additional requirements.

1.02 Related Work

  1. Drop-out box: Contractor to furnish and install precast, steel, or fiberglass drop-out box.
  2. Plastic pipe: Contractor to furnish and install all necessary PVC drainage pipe and fittings. Contractor shall install one butterfly valve between the drop out box and tank inlet, as well as on the effluent pipe.

1.03 Description/Summary

  1. The Contractor shall furnish the labor, materials, equipment, appliances, services and hauling, and perform operations in connection with the construction and installation of the separator. Work shall be as herein specified and as denoted on the accompanying Drawings but not limited to the following general terms of work:
    a. Storm sewers
    b. Sanitary sewer
    c. Catch basin and manholes
    d. Trench drains
    e. Oil/Water separators
  2. Provide gallon(s) underground steel oil/water separator tank(s), piping, necessary pumps, venting, vent piping, monitoring equipment, and oil draw-off pump(s) required to make a complete installation ready for use.
  3. The separator shall be a pre-packaged, pre-engineered, ready to install unit.
  4. The Contractor will provide filling of oil/water separator with clean water.
  5. The Contractor shall mechanically unload the oil/water separator at the job site.

1.04 Governing Standards

  1. National Fire Protection Assoc. (NFPA 30) Flammable and Combustible Liquids Code, (NFPA 30A) Automotive and Marine Service Station Code, [NFPA 70) National Electrical Code.
  2. UL 58
  3. API manual on disposal of refinery wastes
  4. API bulletin no. 421
  5. API bulletin no. 1630 first edition (replaced by API 421)
  6. Coast Guard Specification 46 CFR 162.50 - 46 CFR Chapter 1
  7. EPA Test Method 413. 1, Oil and Grease, Total Recoverable (Gravimetric, Separatory
    Funnel Extraction)
  8. EPA Test Method 413.2, Oil and Grease, Total Recoverable (Spectrophotometric, Infrared)
  9. Steel Tank Institute

1.05 Quality Assurance

  1. Test Data: The manufacturer must provide test results showing that the oil/water separator product design is capable of producing effluent with no more than 10 ppm free oil and grease (not dissolved nor chemically emulsified with soaps or detergents) when tested using the Coast Guard test method 46 CFR 162.50. The test inlet oils include both 0.8 and 0.9 specific gravity (approximate) oils.
  2. Oil/Water separator tank shall be constructed in accordance with UL58 governing standards.
  3. Shop Drawings: Contractor shall submit_____ copies of shop drawings for each OWS tank. Drawings shall include all critical dimensions, locations of fittings and accessories.
  4. All OWS tanks, equipment and piping materials shall be physically inspected and tested before being installed. Any defects observed shall be immediately brought to the attention of the Owner. It shall be the sole responsibility of the Contractor to correct any deficiencies, with the manufacturer in strict accordance with manufacturers' recommendations, at no additional cost to the Owner.
  5. Contractor shall submit____ copies of manufacturer's literature.
  6. Containment Solutions Oil/Water separators will not remove oils with specific gravities greater than 0.95, chemical or physical emulsions, dissolved hydrocarbons, or volatile organic compounds (VOC).
  7. The contractor shall obtain and pay for all permits, tests, inspections, etc. required by the local boards that have jurisdiction over the project. All work shall be executed and inspected in accordance with all local and state codes, rules, ordinances, or regulations pertaining to the particular work involved. Should any changes in the contract drawings and specifications be required to conform to such ordinances, notify the owner at time of submitting bid. After entering into the contract the contractor shall be held responsible for the completion of all work necessary for a complete and approved installation without extra expense to the owner.

PART 2: PRODUCTS

2.01 Underground Cylindrical Oil/Water Separators

Provide and install ______ Containment Solutions, Inc., ______ gallon capacity ______ wall Model UCCSI- _____ Oil/Water Separator. Separator shall be _____ long x ______ diameter.

  1. Oil/Water Separator shall be designed in accordance with Stokes Law, and American Petroleum Institute (API) Publication 421, "Monographs on Refinery Environmental Control, Management of Waste Discharges, Design and Operation of Oil/Water Separators" to achieve an effluent quality of 10 ppm (or 15 ppm, if regulations allow).
  2. Oil/Water Separator shall be manufactured and tested for leakage prior to shipment.
  3. Oil/Water Separator shall be designed to separate free oil and grease and settleable solids from water for intermittent and variable flows of oil, water or combination of non-emulsified flows of oil/water up to ____ gallons per minute. Influent hydrocarbon specific gravity range shall be from .68 to .95 and in concentrations up to 200,000 mg/l.
  4. The Oil/Water Separator shall have an oil storage capacity of _____ gallons and an oil spill capacity of ______ gallons.
  5. Oil/Water Separator shall be designed for below ground installation. Separator shall be cylindrical horizontal steel vessel designed for storage of flammable and combustible liquids and have the structural strength to withstand static and dynamic loading under all normal operating conditions. Separator shall be designed to be vented to atmosphere.
  6. Separator shall have removable modular inclined corrugated parallel plate system consisting of:
    • Dedicated oil removal and solids shedding surfaces to prevent remixing of oil and settleable solids.
    • Horizontally stacked (45�angle) oleophilic polypropylene plates with _ to _" plate separation.
    • Full modular assemblies consisting of a polypropylene base, plate pack, modular form and handles for easy removal and inspection.
    • STEEL OR MEDIA COALESCERS ARE NOT ACCEPTABLE
  1. Inlet and outlet shall be located on opposite ends of the Oil/Water Separator creating laminar flow characteristics, as follows:
    ___ inch diameter flanged inlet nozzle with isolation spool.
    ___ inch diameter flanged outlet nozzle with isolation spool.
  2. Separator shall have top fittings for vent, oil interface level sensor (or waste oil pump control sensor), waste oil pump out, and a spare fitting.
  3. As an Option, tank shall be internally coated with 15 mils of polyurethane for internal corrosion protection.
  4. Tank to be externally coated in accordance with STI-P3 requirements and shall carry a thirty (30) year STI limited warranty.
    • Optional Exterior Coating: ACT-100U (Urethane coating) or ACT-100 (Fiberglass Coating)

2.02 Optional Oil/Water Separator Monitor & Electronic Accessories

  1. Electronic Control Panel shall be constructed of UL-listed electronic components. The control panel power source is 120 volts A.C. (contractor provided wiring). The sensor monitoring circuit is an intrinsically safe circuit, i.e., the circuit incapable of releasing sufficient electrical or thermal energy to cause ignition of specific hazardous material under "normal" or "fault" operating conditions. The control panel shall be capable of monitoring single or multiple point oil/water interface sensors. Electrical components rating shall be NEMA 4. (Optional NEMA 3R or NEMA 4X available)
  2. Control panels shall include:
    • Panel housing materials of corrosion-resistant steel NEMA 4 OR corrosion-resistant material NEMA 3R OR corrosion resistant material NEMA 4X.
    • Alarm lights for each circuit
    • Warning bell
    • Alarm bell silence switch
  1. Oil/Water Interface Sensor
    Provide and install dual point sensors designed to provide monitoring of the oil/water interface and to provide accessory control. Sensor shaft shall be manufactured of brass.
  2. Provide pump control systems and pumps:
    • Oil interface control system to activate and deactivate explosion-proof waste oil pump

PART 3: INSTALLATION

3.01 Installation of Oil/Water Separator

  1. Contractor shall test prior to installation and install tank according to installation instructions.
  2. Tanks shall be unloaded from truck using appropriate lift equipment.
  3. Tanks shall be installed in accordance with STI installation instructions.

PART 4: MAINTENANCE

4.01 Maintenance of Oil/Water Separator

  1. Close inlet and outlet valves.
  2. Access tank through manway extension.
  3. Pump out separator.
  4. Remove coalescer packs for cleaning. In some conditions, coalescer packs may be cleaned in place.
  5. Maintenance is recommended for continued separator performance at the following times (whichever comes first):
    • Once per year
    • When sludge accumulates to 12" in depth
    • When the effluent water contains high contaminant levels


Copyright © 1999 Containment Solutions, Inc. � All Rights Reserved � Pub. No. OWS2035