B08_Attachment_4_EPMY_Product_Data_Specifications.pdf

NATIONAL PARK SERVICE

U.S. DEPARTMENT OF THE INTERIOR

INTERIOR REGION 1 - NATIONAL CAPITAL AREA

DESIGN AND CONSTRUCTION BRANCH

WASHINGTON, D.C.

Rehabilitation of the Fuel Systems

East Potomac Maintenance Yard Product Literature & Data Sheets

National Mall & Memorial Parks

NAMA

Washington, DC

100% SUBMISSION

April 2021

Prepared by:

Alpha Corporation Dulles, VA

Contract No. 140P3020D0012 NPS PMIS No. 254579

PMIS No. 254579 Rehabilitation of the Fuel Systems East Potomac Maintenance Yard

PRODUCT DATA TABLE OF CONTENTS

CIVIL PRODUCT DATA

ARCHITECTURAL PRODUCT DATA

MECHANICAL PRODUCT DATA

ELECTRICAL PRODUCT DATA

Page Intentionally Blank

PRODUCT DATA INDEX – CIVIL

1. Above Ground Storage Tanks – Containment Solutions® (Hoover Vault)™

2. Temporary Fuel Trailer and Tanks – TransFueler Gas

3. Temporary Fuel Trailer and Tanks - TransFueler Diesel

4. Underground Cylindrical Oil/Water Separator – Highland Tank®

5. Trench Drain Systems – Zurn Z882 Perma-Trench

HOOVER VAULT™

FIRE RATED DOUBLE-WALL TANKS

Containment Solutions, Inc. (CSI) provides safe, aff ordable solutions for the storage of fl ammable and combustible liquids.

If you are concerned about the eff ects fuel storage has on your bottom line, look at the advantages of aboveground fi re-protected storage tanks.

Our steel Hoover Vault™ tanks meet the requirements of all national fi re codes for fi re-rated aboveground storage tanks and are labeled according to Underwriter’s Laboratories Standard 2085 “Insulated, Protected Secondary Containment”.

Vault tanks utilize patented designs with lightweight fi reproofi ng materials, applied in the interstitial space of UL 142 double-wall tanks. These materials ensure that the inner tank is protected from the eff ects of fi re. This design allows both the inner and the outer tanks to be pressure tested at the factory and in the fi eld.

In addition, the fi reproofi ng materials allow liquid to migrate through to the monitoring tube, so leaks from the inner tank are detected. Rectangular vault tanks are space-saving in design.

ADVANTAGES:

• UL 2085 listed for insulated, protected secondary containment

– Two-hour fi re rating using lightweight concrete

– True 360º “pressure testable” secondary containment

– Vehicle impact protection

– Ballistic Protection

– Built-in leak detection tube

• Meets requirements of all National Fire

Codes

– UFC Articles 52 and 79, Appendix II and Standard A-ll-F-l

– NFPA Standards 30 and 30A

– BOCA

– SBCCI

• CARB Certifi ed for Stage I and II Vapor

Recovery

• Underwriter’s Laboratories of Canada

(ULC) Listed

• 30-Year warranty

• Factory installed equipment packages:

– Motor fuel dispensing, emergency generator/fuel oil, used oil collection (others available upon request)

• Standard Tank Capacities 250 to 20,000 gallons (larger sizes up to 30,000 gallons are available)

A

333 North Rivershire Dr, Suite 190 • Conroe, TX 77304 • Phone: (936) 756-7731 • www.containmentsolutions.com Copyright © • Containment Solutions, Inc. • All Rights Reserved • September 2015 • Pub. No. TNK 1504G

STANDARD TANK SIZES

CAPACITY

(GALLONS) LENGTH WIDTH HEIGHT SHIPPING

WEIGHT

250 4’9” 3’7” 3’9” 3,400 LBS.

500 6’8” 4’7” 3’9” 5,400 LBS.

1,000 7’9” 5’7” 4’9” 8,500 LBS.

1,500 10’7” 5’11” 4’9” 10,250 LBS.

2,000 11’10” 6’11” 4’9” 12,500 LBS.

2,500 9’5” 6’11” 7’1” 13,100 LBS.

3,000 9’8” 7’11” 7’1” 15,800 LBS.

4,000 12’8” 7’11” 7’1” 19,000 LBS.

5,000 15’8” 7’11” 7’1” 23,700 LBS.

6,000 18’8” 7’11” 7’1” 27,000 LBS.

8,000 24’8” 7’11” 7’1” 33,450 LBS.

10,000 30’8” 7’11” 7’1” 42,600 LBS.

12,000 36’8” 7’11” 7’1” 48,750 LBS.

15,000 45’8” 7’11” 7’1” 60,400 LBS.

20,000 60’8” 7’11” 7’1” 76,900 LBS.

VAULT TANK OPTIONS

• UL 142 listed double-wall inner tank, providing triple containment

• Larger tank capacities up to 30,000 gallons

• 3,000 PSI concrete

• Stainless steel inner tanks

• Dual compartments for multi-purpose use available in all capacities

• Lifting lugs and pump mounting brackets

• Fibervault® exterior coatings

• Internal coatings compatible with aviation fuels and other chemicals

Ground Level Spill Box

Steps and Handrail Assembly statz Rectangle

INSTALLATION INSTRUCTIONS

HOOVER VAULT™ TANK / FUELMASTER® SYSTEM

1. IMPORTANT INFORMATION

1.1. Proper installation of each tank is essential:

• To ensure the safety of all the individuals involved in the installation.

• To prevent tank damage and/or failure, which could lead to product loss and environmental contamination.

• To validate the tank warranty.

1.2. In addition to these instructions, the installation must comply with NFPA (30, 30A, and 31), and all applicable Federal, State, Local or Provincial, construction, safety and environmental codes and regulations.

1.3. Any variances or deviations which are in direct conflict with these published installation instructions must be approved in writing prior to the installation by Containment Solutions.

1.4. The presence of any Containment Solutions representative at the job site does not relieve the installer of responsibility to follow these instructions.

2. TANK SITE

2.1. The foundation for the tank must be designed to support the total tank weight plus 100% of the weight of the maximum amount of product the tank will be storing. The foundation may be comprised of concrete, asphalt, gravel or other stable material and must include provisions in its design to prevent tank movement. The foundation design must also include provisions for draining surface water away from the tank to minimize corrosion.

2.2. This tank must be installed in accordance with all applicable federal, state and local environmental regulations and safety codes.

2.3. Tank must be grounded per local codes.

2.4. Tanks located in areas subject to flooding must be protected against flotation.

2.5. The tank shall be protected and secured from vandalism. The tank shall also be protected from accidental damage, such as from vehicular impacts, in accordance with all applicable codes.

3. TANK HANDLING

3.1. Equipment for handling the tank shall be of adequate size to lift and set the tank. For some tank sizes, a fork-lift may be used for tank movement. Do not drop or drag the tank.

3.2. Tanks shall be carefully handled to prevent damage to the tank coating. The use of nylon straps is preferred to prevent damage to the tank coating. When using cables or chains, they shall be padded, and of adequate length and size.

3.3. It is the responsibility of the owner or owner’s representative to touch-up and repair any damage to the coating that occurs during transportation, tank installation or piping installation.

3.4. The inner tank must be empty before the tank is moved.

4. TESTING

4.1. The following air pressure testing is required and shall be performed at installation.

4.2. Install test piping and temporarily plug, cap or seal off remaining tank openings to hold pressure. If tank is equipped with standard emergency vents, remove emergency vents and cap openings to hold tank pressure as required.

4.3. The air pressure used for this test must not exceed 3 psig (21 kpa). Use a gauge with a 0 to 15 psig dial span. Set pressure relief valve in test air supply line at 3 psig.

4.4. Do not leave pressurized tank unattended.

4.5. Do not stand in front of tank heads or fittings when pressurizing tank. Hold test for one (1) hour.

4.6. The inner tank shall be pressurized to a maximum 3 psig air pressure.

4.6.1. While maintaining this air pressure, the outer tank shall be tested to a maximum 3 psig in the interstitial space.

Pressurize the interstice with air from the primary tank to avoid over pressurization of the interstice.

4.6.2. NOTE: The inner tank will drop in pressure when the

interstitial space is pressurized, but should hold steady at the lower pressure. If test pressure drops below 3 psig, close off the air supply to the annular space. Then reconnect the air supply line to the primary tank and increase the pressure to 3 psig maximum. Then continue testing the annular space per these instructions.

4.6.3. All visible seams and welds are to be covered with a leak testing solution or equivalent material for the detection of leaks. Hold test pressure in interstitial space for 1 hour minimum. A steady drop in gauge pressure, or a stream of bubbles, indicates there may be a leak in the interstitial space.

4.6.4. If any leaks are detected, notify the tank manufacturer. If no leaks are found, testing of the tank is complete.

4.7. With tank depressurized, remove test piping, temporary plugs, caps and seals.

4.8. Reinstall emergency relief vents, etc. An emergency vent is required on both the primary tank and the interstice.

4.9. Installation of pumps, dispensers and electrical wiring shall follow the applicable requirements of codes and zoning ordinances.

5. TANKS

5.1. Install all permanent piping and fittings using suitable thread sealant material.

5.2. All unused tank openings must be properly sealed using

threaded pipe plugs, flanges or caps using suitable thread sealant material.

5.3. Do not weld on the tank, modify, or penetrate the tank

structure in any way without express written permission from Containment Solutions.

6. LABELING

6.1. Tanks shall be labeled in accordance with all applicable codes.

To avoid damage to the tank, do not apply air pressure to the interstitial space between the walls of a double wall tank without pressure in the primary tank. Never apply air pressure to the interstitial space that is higher than the air pressure in the primary tank

Remove temporary manway cover short bolts and reassemble manway cover with proper size and typ of long bolt with a minimum unthreaded length of 2”, so that when the cover is fully raised, there is a 1½” minimum space between manway cover and frame. Failure to properly assemble cover of a long bolt manway used for emergency venting may make vent inoperable, causing tank failure by over-pressurization.

Copyright © Containment Solutions, Inc. • All Rights Reserved • January 2014 • Pub. No. TNK 1509E

7. TANK ACCESSORIES

7.1. All tank accessories shall be installed as required per local codes.

Anti-siphon devices, overfill shut-off and alarms, vents, gauges, emergency vents, etc. are common requirements for tanks storing motor fuels for the purpose of being dispensed into motor vehicles.

7.2. Manual liquid level gauges may require adjustment before initial start-up and before each refueling of the tank.

7.3. Adjustment of liquid level gauge:

7.3.1. Visually inspect the moving parts of the gauge through tank top to ensure free full movement. If operation is obstructed, than gauge removal is needed.

7.3.2. Remove gauge from fitting, realign the swing arm and

reinstall in fitting in the correct direction allowing for proper operation of the gauge.

8. FACTORY INSTALLED EQUIPMENT AND ACCESSORIES

8.1. Factory installed equipment and accessories are susceptible to loosening during transit due to vibration. This could result in minor leaks at threaded connections.

8.2. At time of site installation and start-up, the installer or end user will be responsible for a visual inspection and repair of loose or leaking connections.

8.3. NOTE: Do not attempt to re-tighten all fittings before a fluid start-up test. Breaking the seal of the sealant during tightening could result in leaks.

8.4. To repair a loose or leaking threaded connection, disassemble the connection, clean threads and reinstall fittings using proper pipe sealant.

9. MAINTENANCE

9.1. Aboveground tanks require basic maintenance during the

service life. The tank vessel is subject to accidental damage, vandalism, and atmospheric degradation of the coating.

9.2. Failure to adhere to and provide proof of proper maintenance may void your warranty.

9.3. The monitoring port on the secondary containment should be checked monthly for accumulation of liquid. If liquid is detected, test for the presence of hydrocarbons. Refer to the STI Standard SP001, “Standard for the Inspection of Aboveground Storage Tanks” for requirements concerning tank inspections. This SP001 Standard details requirements for inspections based on the tank installation and age. A tank must undergo the appropriate inspection prior to relocation.

9.4. The primary tank shall be inspected monthly for the presence of water at the lowest possible points inside the primary tank.

Remove any water found. Water and sediment in fuel can cause plugging of filters. Also, bacterial growth, originating from the fuel can cause corrosion of tanks and lines.

For procedures on how to check for the presence of water and removal of water, refer to API Recommended Practice 1621 and API Standard 2610.

9.5. The tank operator should perform periodic visual inspections to identify areas of damage to the vessel or the coating itself. Such damage should be repaired.

9.6. Periodic repainting of the surface will be required. The frequency of this maintenance procedure will be based upon the environmental factors in the geographic area where the tank is located. The operator is responsible for the selection of the paint, surface preparation and coating application. Local codes may require that the tank be relabeled.

9.7. Proper site preparation is vital to ensure proper draining of surface water (see paragraph 1.0 Tank Site). Over time, settlement may occur which alters the effectiveness of the initial surface water drainage provisions. Visual inspection of the vessel and surrounding foundation should identify any change in the drainage pattern. Should stagnant surface water be discovered against the surface of the vessel, the tank operator should consult the installation contractor.

10. ADDITIONAL REQUIREMENTS:

10.1. The Authority Having Jurisdiction shall be contacted prior to installing this tank.

10.2. This tank must be installed in accordance with NFPA 30, NFPA 30A, Uniform Fire Code or International Fire Code.

10.3. This tank shall be investigated to determine acceptability for use after fire exposure damage, other physical damage, or misuse.

10.4. Flame arresters shall be installed in the normal vent lines when required by the Authority Having Jurisdiction.

10.5. The product stored within the tank is compatible with steel and meets ASTM standards. Any fluid which does not meet ASTM standards must be compatible with steel and approved for storage in writing by CSI. Storing any fluid in the tank which is either not compatible with steel or not approved for storage by CSI will void the tank warranty.

10.6. Tank Installation Checklist must be completed and signed by the installing contractor. The completed checklist and copies of any written authorizations for variations and/or deviations received from CSI, should be retained by the tank owner and provided later to CSI to validate any future warranty claim.

TANK INSTALLATION CHECKLIST

For Hoover Vault™ Tanks and FuelMaster® Systems

The completed checklist and copies of any written authorizations for variations and/or deviations received from CSI, should be retained by the tank owner and provided later to CSI to validate any future warranty claim.

Site Owner Date of Installation

UL# on Tank Nominal Tank Capacity

Site Address Street City State Zip

Installing Contractor Company Street City State Zip

Completed N/A

1. If applicable, minor repairs have been completed to the exterior surface of the tank

2. Proper grounding has been completed

3. Tank is properly anchored

4. Proper signs / labels have been applied to the exterior of the tank

5. Spill containment is present and operational

6. Verifi cation of air test prior to fi lling is documented

7. Foundation pad is properly sloped to prevent water accumulation

8. Secondary containment is free of any liquids

9. Product to be stored in this tank is (must be a compatible fl uid).

10. The audible fi ll alarm is functioning at 90%

11. The overfi ll protection device is stopping fl ow at 95%

12. Fill connection is liquid tight and lockable

13. Check valve is present when using a remote fi ll

14. Pump is securely attached to the mounting bracket

15. Pump is wired properly per current NEC standards

16. Pump is properly calibrated

17. Vent piping is installed in accordance with NFPA codes

18. Venting device is suitable for product stored

19. Emergency vents are operating properly

20. Mechanical gauge is properly calibrated

21. Audible and visual leak indicators are properly working

22. I understand routine maintenance is required as stated in installation instructions

My signature below confirms that this tank was installed in accordance with CSI installation instructions, that the product stored is compatible with the tank, either expressly listed within the warranty or written approval from CSI verifying compatibility, that I have read and agree to the terms of the Limited Warranty and I recognize that this tank requires routine maintenance following API Recommended Practices and that failure to adhere to and provide proof of proper maintenance may void the tank warranty.

Owner Representative (Signature) Date Contractor Representative (Signature) Date

Initial On Lines BelowGeneral Site Procedures

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814.893.5701 | highlandtank.com

Highland Tank count on our products. trust in our people.

PRODUCT DETAILS

Highland Tank cylindrical underground oil/water separators are typically installed in industrial areas and receive oil waste- wa-ter generated during processes such as bulk petroleum storage and handling, aircraft and vehicle fueling, maintenance, washing and environmental remediation of petroleum contaminated sites.

cally discharged to either a storm or sanitary sewer system.

are recommended for a wide range of industrial applications, such as:

» Airports & Aircraft Services » Electric Utilities & Power Plants » Environmental Remediation » Industrial Facilities » Military & Government Facilities » Municipalities » Petroleum Production & Marketing Facilities » Railroad Yards » Transportation Companies

They are also located in vehicle service areas associated with each of these facilities:

» Fueling Facilities » Repair & Maintenance Shops » Wash Areas

Highland oil/water separators set the standard for reliability. Our separators under a wide range of conditions.

Unlike other oil/water separators, they are easy to install, operate and maintain.

cylindrical underground HT-2040 oil/water separation

Corella® and Petro-Screen coalescers are removable from above

Fluid level cannot rise into manways for total secondary containment

Large rectangular manways with removable, lightweight top panels for easy access and maintenence accelerate the separation process for unparalleled performance improving

Inlet and outlet through separator heads for shallower burial depths

Rugged steel construction for greater structural strength, superior product compatibility and unsurpassed corrosion resistance

Double-wall construction available with interstitial leak monitoring and settle in collecting area Oil coalesces into sheets on the corrugated

Corella® The Newest Advancement in Oil/Water Separation Technology

The Corella® Coalescer is a removable, coalescer that enhances separation of both oil and solids from all strata of the wastewater stream. It is individually maximize utility.

Patented Corella® technology

Corella® | cleaner. safer. smarter. UL-2215 LISTED

Core a

Integral Sand Interceptor Compartment

INLET OUTLET

Bulkhead

INLET

Pump Controls & Rails Pumped DischargeDi

Highland Tank Oil/Water Separators are listed and approved under one or more of the following patents and approvals:

City of New York, Board of Standards and

Massachusetts Board of State Examiners of Plumber and Gas Fitters

Series – G Oil/Water Separators Feature an integral sand interceptor compartment to permit sand and gravel to settle out before the wastewater enters the separation chamber.

Series – J Oil/Water Separators compartment with level controls to operate a pump at prescribed levels.

routed through Highland’s Advanced Hydrocarbon Filtration System to further improve performance.

pre-engineered design options

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Co re lla ® C oa le sc er

, a n in cl in ed ar ra ng em en t o f s ta ck ed , p ar al le l, Th e co rr ug at ed u nd er sid e of th e Co re lla

® p la te s c au se s t he o il to c oa le sc e in to sh ee ts . T he o il gl ob ul es th en ri se to th e su rfa ce o f th e se pa ra tio n ch am be r, w he re th e se pa ra te d oi l a cc um ul at es

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Co re lla ® C oa le sc er

El ec tro ni c oi l l ev el c on tro ls so un d an a la rm a t h ig h oi l l ev el s s o th as te o il ca n be re m ov ed fr om th e se pa ra to r.

D ou bl e-w al l s ep ar at or s ar e m on ito re d w ith e le ct ro ni c le ak d et ec tio n sy st em s f or th e in te rs tit ia l s pa ce cy lin dr ic al o il/ w at er se pa ra r

PROUDLY MADE IN AMERICA

Highland Tank

Stoystown, PA One Highland Road Stoystown, PA 15563-0338 814.893.5701

Manheim, PA 4535 Elizabethtown Road Manheim, PA 17545-9410 717.664.0600

Watervliet, NY 958 19th Street Watervliet, NY 12189-1752 518.273.0801

Greensboro, NC 2700 Patterson Street Greensboro, NC 27407-2317 336.218.0801

Lebanon, PA 2225 Chestnut Street Lebanon, PA 17042-2504 717.664.0602

Friedens, PA 1510 Stoystown Road Friedens, PA 15541-7402 814.443.6800

Clarkston, MI 4701 White Lake Road Clarkston, MI 48346-2554 248.625.8700

Mancelona, MI 9517 Lake Street Mancelona, MI 49659-7968 248.625.8700

© Highland Tank - HT-2040 - 02/2019

DiameterLength

Flanged Manway & Cover with Gauge Port

2" Diameter Interface & Level Sensor Pipe with 2-Float Sensor 4" Diameter Oil Pump-Out Pipe

Flanged Inlet Pipe Lifting Lug

Wear Plate

Corella® Parallel Plate Coalescer

Petro Screen Coalescer

Striker Plate

OUTLET

INLET

Flanged Outlet Pipe

Velocity Head

Vent Fitting

Recommended Model Flow Rate Total Volume Oil Pump-Out Dimensions Inlet & Outlet HT or HTC Gal/Min Gallons Gallons Diameter Length Diameter

Plate spacing and orientation may vary depending on site conditions. Custom sizing is available. Consult Highland Tank for Series G & J sizing information.

cylindrical separator sizing guide HT-2040

Underground

HT, HTC, UL-SU2215

Single-wall & Double-wall

Series G & J

Models with EZ-Access Option

User’s Manual

Installation, Operation & Maintenance

Carefully read and follow the instructions in this manual.

Proudly made in America

814.893.5701 | highlandtank.com

Highland Tank count on our products. trust in our people.

oil/water separation HT-2050

Oil/Water Separators

2 • www.highlandtank.com

Warning and Disclaimer This manual is intended for use only by persons knowledgeable and experienced in underground oil/water separator installation, operation and maintenance. This manual provides general guidance, and conditions at your site may render inapplicable some or all of the guidance. If you are uncertain, or require clarification or further instruction, please contact Highland Tank prior to commencing any installation, operation or maintenance procedure. You are solely responsible for compliance with all federal, state and local laws, regulations and ordinances applicable to your installation and operation. Highland Tank disclaims all liability related to any misuse of the oil/water separator or failure to follow all guidance and instruction provided by Highland Tank.

www.highlandtank.com • 3

Installation 6

Piping & Venting 17

Start-up 21

Operation 23

Maintenance 31

Troubleshooting Guide 39

OWS Reference Drawing 41

Appendix - A - Sample Inspection and Maintenance Log

Thank you for purchasing a Highland Tank Oil/Water Separator -the leading high-performance separator in the industry.

The purpose of this manual is to provide detailed information on the installation, venting, startup, operation, maintenance and trouble-shooting of Highland Tank’s Oil/Water Separator.

These instructions should be used in conjunction with any and all other applicable installation and corrosion protection system instructions, e.g.:

• Highland Tank’s HighGuard Tank Installation Instructions, HT-7001.

• Petroleum Equipment Institute Installation of Underground Liquid Storage Systems, PEI/RP100.

• Steel Tank Institute ACT-100-U® Installation Instructions, R971 or sti-P3

® Installation Instructions, R821.

• Any and all applicable federal, state and local codes. Always check with Authority Having Jurisdiction.

Note: This manual is based on standard OWS configurations.

Other custom configurations are available. Verify the supplied configuration prior to installation and testing.

Abbreviations used:

OWS – Oil/Water Separator AHJ – Authority Having Jurisdiction PSIG – Pounds per square inch gauge OSHA – Occupational Safety and Health Administration

Contents

Introduction

4 • www.highlandtank.com

Important points to consider prior to installation, operation and maintenance of the OWS:

Carefully read and follow instructions in this manual. Local codes and ordinances may apply.

Check with local AHJ prior to installation of OWS.

• Ensure adequate site space - almost all products are delivered on a 75 foot long tractor-trailer.

Allow space for unloading, positioning and temporary storage if applicable.

• Ensure the crane has adequate lifting capacity and clearance - have operator check site for clearances (overhead, turning, etc.). Spreader bars may be required for 10 foot diameter and larger OWSs.

• OWSs that are 10 foot diameter and larger are typically shipped rotated to minimize over-the-road height. They must be lifted from the hauling trailer by the supplied lifting lugs on the heads of the OWS. They must then be rotated before final lifting into the excavation. Spreader bars and/or adequate lifting straps/chains must be available to maintain recommended safe lifting capacity. Please check approval drawing for overall length of the OWS and location of the head lifting lugs.

• DO NOT rotate the OWSs while they are still on the trailer - damage may result. OWSs must be lifted from the trailer, using the lifting lugs supplied on the heads, and lowered onto a flat area, free from anything that may cause damage to the exterior coating. Once the OWS is stable, the lifting device may need to be repositioned and then reattached to the lifting lugs on the top centerline of OWS. At this point, slowly roll the OWS to upright position on the ground before lifting to place in final resting position.

• Special permits may be required for weight, size, etc. by local code or ordinance.

• Confirm inlet and outlet piping elevations - check/recheck approval drawing and site plan when OWS arrives.

• Make sure OWS hold-down method/system is predetermined and components are at the site prior to OWS installation.

• The amount of debris, such as sand, gravel, dirt, leaves, wood, rags, etc., permitted to enter the OWS must be minimized for maximum effectiveness. Installation of an appropriately sized Collection Catch Basin or other similar device upstream of the OWS is recommended.

• Detergents and solvents must not enter the OWS. The OWS will not remove chemical emulsions or dissolved hydrocarbons, and their presence retards the recovery of oils that would otherwise be separated.

• Never enter the OWS or any of its enclosed spaces without proper confined space entry training and approved equipment. See OSHA, Regulations for Permit-Required Confined Spaces 29 C.F.R. § 1910.146.

• Barricade the OWS installation area until job is complete.

www.highlandtank.com • 5

Important points to consider continued:

• Wastewater containing high concentrations of dissolved solids (such as untreated sanitary sewage) must be excluded due to its emulsifying tendency. Wastewater, which exhibits high Biological Oxygen Demand, Chemical Oxygen Demand, and Total Suspended Solids may require additional treatment after the OWS.

• The OWS will not remove chemical or physical emulsions, dissolved hydrocarbons, solvents or Volatile Organic Compounds. Installation of an appropriately sized Advanced Hydrocarbon Filtration System (brochure HT-2502) is recommended for treatment of wastewater contaminated with these pollutants.

• Waste oils, such as automobile and truck crank case oil, should not be intentionally drained into the OWS. Filling the OWS with waste oils adversely affects OWS performance.

Waste oil should be dumped into a waste holding tank for proper disposal.

• The OWS needs to be maintained to remain as free of accumulated oil and sediment as possible. Suction removal of waste, as needed, is the best and recommended method of maintenance.

• The location of your OWS should be in an area with sufficient truck access (top-side clearance) for waste removal.

• An absence of gravity flow to the OWS will necessitate wastewater pumping. Pumping should be restricted to the clean water, effluent end of the OWS. If pumping occurs at the influent end, it will mix the oil and water, increasing the emulsified and dissolved oil content and may cause separation failure. If a pump is installed upstream of the OWS, it must be a positive displacement pump (e.g. progressive cavity, diaphragm, sliding shoe), set at minimum flow rate/RPM and installed as far upstream as possible to minimize oil/water mixing.

• Piping should be designed to minimize turbulence and promote laminar flow.

• The OWS must be kept from freezing at all times. The OWS and piping should be installed below local frost levels. If necessary, a thermostatically controlled steam or electric heating device may be installed.

• Complete the OWS Installation Checklist and Start-up Report (Form # HT-9039). A copy of the completed form should be retained by the OWS owner and/or installation contractor.

• Complete the HighGuard, ACT-100-U® or sti-P3 ® Installer Information Card that was included with the delivery documents. This information is required to activate and maintain the Limited Warranty.

• OWS must be filled with clean water before introducing any wastewater. Filling should only be done after OWS has been leveled and anchored in final installation location.

6 • www.highlandtank.com

OWSs must not be dropped, dragged or handled with sharp objects and, except as minimally necessary for inspection and testing, should not be rolled. Lifting equipment must be of adequate size to lift and lower the OWS without dragging, dropping or damaging the OWS or its coating.

The OWS must be mechanically unloaded. Use extreme care when unloading as weight distribution of OWS may be uneven.

Lifting and moving the OWS must only to be done using the lifting lugs welded to the OWS. OWSs should be carefully lifted, moved and lowered using cables, chains or straps of adequate size. When two lifting lugs are used, the angle between the lifting cable and vertical shall be no more than 30 degrees. See Fig.1. Use a spreader bar where necessary. Maneuver OWSs with guidelines attached to each end of the OWS. If OWSs must be relocated on a job site during installation, they must be lifted and not rolled.

Care in Handling OWSs

OWS Unloading

Lifting and Moving

WARNING:

Under no circumstance should chains or slings be used around the OWS shell.

Always use two lifting lugs to lift OWS.

Fig. 1

Installation

Max. 30º

Use spreader bar when necessary Max. 30º

Highland Tank

HT

M-www.highlandtank.com

Installation & Maintenance Instructions are available at www.highlandtank.com

Highland Tank

HT

M-www.highlandtank.com

Installation & Maintenance Instructions are available at www.highlandtank.com www.highlandtank.com • 7

Upon delivery, visually inspect the OWS for exterior damage that may have occurred during shipping or job site handling. Any damage that could result in leakage or corrosion must be repaired in a manner approved by Highland Tank. Please refer to coating repair instructions below. If an OWS is not buried within 90 days, the OWS should be covered to protect the exterior coating from the effects of ultraviolet light damage.

If the OWS is of double-wall construction and has shipped with a vacuum drawn on the interstice, inspect the vacuum gauge.

If the gauge indicates less than 5 inches of mercury, reinstitute the vacuum to 7 inches of mercury. Maintain 5 inches of mercury vacuum for 2 hours before installing the OWS. Do not relieve pressure until OWS is secured in its final resting position.

Before placing the OWS in the excavation, all dirt clods and foreign matter shall be cleaned from the surface of the OWS. Damage to surface must be repaired using the supplied coating touch-up kit.

Visually inspect the OWS for damage. Pay particular attention to areas where coating may have been gouged or abraded. Mark all areas which appear damaged for repair. Clean damaged OWS coating areas of rust, contaminants or disbonded coating prior to application of touch-up coating.

Areas of coating damage shall be roughened up with coarse grit sandpaper or grinder (see Society of Protective Coatings (SSPC) SP-2 “Hand Tool Cleaning” or SP-3 “Power Tool Cleaning” for additional guidance) to remove all glossiness from the surface surrounding the repair area approximately 6 inches around the damaged area. Re-coat the area with touch-up coating provided.

See Fig. 2. Allow repaired coating areas to cure completely.

Damaged polyurethane coatings must be repaired with the polyurethane repair kit that was delivered with the OWS.

Additional coating touch-up is available from Highland Tank.

Carefully remove manway covers so as not to damage the gaskets.

Inspect the interior of the OWS from above (without entry) to ensure that internal piping is secure and has not been damaged during transport. Do not allow anyone to enter the OWS unless it has been properly prepared for entry and the person entering the OWS has been properly trained for confined-space entry per OSHA, Regulations for Permit-Required Confined Spaces 29 C.F.R. § 1910.146.

DO NOT ENTER the OWS without following proper confined space entry procedures.

Pre-Installation Inspection & Testing

Coating Repair

Internal Piping Inspection

WARNING:

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As part of Highland Tank’s quality control program, all OWS receive a holiday detection test at the factory to ensure coatings are uniform and without holidays.

After repairs have been completed, all repaired areas of the HighGuard and ACT-100-U® protection system coatings shall be re-tested with a holiday detector set at 15,000 volts.

DO NOT perform a 15,000 volt holiday test on sti-P3 ® protected

OWSs. Refer to Steel Tank Institute sti-P3 ® Installation Instructions, R821 for more information.

OWS may be equipped with zinc, magnesium or a combination of both anodes. Consult sti-P3

® Corrosion Control System (R821) and Petroleum Equipment Institute PEI/RP100 for further instructions for checking operation, repairing connection and activating.

Anode Integrity (sti-P3

® only)

Fig. 2Coating Repair continued www.highlandtank.com • 9

The appropriate air or hydrostatic test must be performed prior to placing OWS into service, as outlined below. Factory-applied vacuum test may be substituted for on-site testing. Check with AHJ for approval. Take all necessary safety precautions during air tests.

DO NOT leave OWS unattended.

DO NOT apply a vacuum to a single-wall OWS or to the primary tank of a double-wall OWS.

DO NOT connect the air pressure line from the compressor to the interstitial monitoring port of a double-wall OWS.

After vacuum testing, release vacuum from the OWS before dismantling testing equipment. Do not relieve pressure until OWS is secured in its final resting position.

Remove factory installed temporary plugs & thread protectors.

Apply compatible, non-hardening pipe sealant to threads and install/ reinstall liquid-tight steel or cast-iron plugs at all unused openings taking care not to cross-thread or over-tighten plugs. Manway gaskets, lids and blind-flanges must be in place prior to performing air test. (Refer to Steel Tank Institute ACT-100-U® Installation Instructions, R971 or sti-P3

® Installation Instructions, R821 if nylon dielectric bushings are present.)

Perform air test for a single-wall OWS as illustrated in Fig. 3 below.

Temporarily plug, cap or seal off remaining OWS openings to hold pressure. Open valve A and pressurize the OWS to a maximum of 5 PSIG. Seal the OWS by closing valve A and disconnect the external air supply. Apply a soap solution to all welded seams and fittings. Inspect to assure that no leaks exist.

Pre-installation Tightness Testing Procedures

IMPORTANT:

Air Supply

Valve A

Overpressure Relief Device - Set at 5 PSIG Gauge

Fig. 3

Single-Wall OWS Air Test

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Fig. 4

Double-wall OWSs require different air pressure testing procedures.

DO NOT connect a high-pressure air supply line directly to the interstitial monitoring port.

A double-wall OWS shipped with a vacuum on the interstice need not be subjected to an air/soap test, if approved by AHJ and provided the OWS arrives at the installation site with the vacuum level within designated limits. If the vacuum level has changed significantly, reinstitute the vacuum to 7 inches of mercury. Maintain 5 inches of mercury vacuum for 2 hours. Consult Highland Tank if OWS does not hold vacuum.

If the OWS did not ship with a vacuum on the interstice or AHJ requires testing, proceed with the air test as follows and as illustrated in Fig. 4 below.

Temporarily plug, cap or seal off remaining OWS openings to hold pressure. Close valve B and pressurize the OWS inner tank to a maximum of 5 PSIG. Seal the inner tank by closing valve A and disconnect the external air supply. Monitor the pressure for a period of 1 hour.

While air tests are generally inconclusive without soaping and the careful inspection for bubbles, this step is recommended to detect a very large leak in the inner tank and prepare for the next step.

Valve C

Gauge 2

Gauge 1

Inner Wall

Outer Wall

Air Supply

Valve B

Valve A

Overpressure Relief Device - Set at 5 PSIG

Flexible Connection

Leak Detection Monitoring Pipe

Pre-installation Tightness Testing Procedures continued

Double-Wall OWS Air Test www.highlandtank.com • 11

Pressurize the interstice with air from the inner tank by closing valve C, then opening valve B. Allow pressure to equalize.

Soap the exterior of the OWS and inspect for bubbles while continuing to monitor the gauges to detect any pressure drop.

Release the pressure from the interstice first by opening valve C, then open valves A and B to release all test pressure and vent both spaces.

Refer to PEI/RP100 and labels on the OWS for testing guidelines.

An on-site hydrostatic test of the single-wall OWS may be required by the AHJ before installation to ensure no damage has occurred during shipping and handling.

After the separator has been leveled, secured to foundation, and the OWS is fully supported with backfill around the bottom quadrant, fill the OWS with clean, fresh water (See Filling the OWS on page 21.)

until water is discharged from the outlet. Allow the OWS to stabilize to a no-flow, static condition. If required by AHJ, attach blind flanges to inlet/outlet and fill completely.

Accurately measure and record the fluid level from the top of the manway to the static fluid level. After one hour, verify that the fluid level has not dropped. A fluid level change would indicate that there may be a leak in the primary tank. If a leak is detected, contact Highland Tank before proceeding.

For double-wall OWS, vacuum testing of the interstitial space can be used instead of a hydrostatic test on the primary tank only.

If a hydrostatic test is required, follow the procedure as described above.

A double-wall OWS shipped with a vacuum on the interstice need not be retested, provided the OWS arrives at the installation site with the vacuum level within limits designated by Highland Tank.