231113_-_Fuel-Oil_Storage_Tank_Piping_and_Monitoring_Leak_Detection_System.doc

Attachment 1 FA4626-13-R-0007 REF: Amendment 0003

SECTION 231113

FUEL-OIL STORAGE TANK PIPING AND MONITORING/LEAK DETECTION SYSTEM

PART 1 - GENERAL

1.1

RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

B. Specification Section 231115, PIPING SUMP MODIFICATION AND WATER-TIGHTNESS TESTING.

C. Specification Section 261250– SHIELDED SHRINK TUBING D. Specification Section 312300 – EARTHWORK

1.2 SUMMARY

A. Provide new fuel tank vent pipe and supports as indicated on drawings and herein, as required.

B. Provide new fuel level monitoring and leak-detection system as indicated on drawings and herein, as required.

1.3 DEFINITIONS

A.

EMC: Electromagnetic Compatibility, is the technology of shielding or preventing electromagnetic interference (EMI).

A. EMI: Electromagnetic Interference, occurs when unintentional electromagnetic signals from a system or device cause undesired effects or malfunction in another system or device.

B. Exposed, Interior Installations: Exposed to view indoors. Examples include finished occupied spaces and mechanical equipment rooms.

C. Exposed, Exterior Installations: Exposed to view outdoors or subject to outdoor ambient temperatures and weather conditions. Examples include rooftop locations.

D. EPA: Environmental Protection Agency.

E. Finished Spaces: Spaces other than mechanical and electrical equipment rooms, furred spaces, pipe and duct shafts, unheated spaces immediately below roof, spaces above ceilings, unexcavated spaces, crawlspaces, and tunnels.

F. FRP: Glass-fiber-reinforced plastic

G. GMR: Ground Maintenance Response. Abbreviation in first paragraph below is generic name for "Viton."

H. An electronic system for transmitting alarms to the Launch Control Center when abnormal status is detected by Launch Facility (LF) support equipment sensors.

I.

LF: Launch Facility

J.

RFI: Radio Frequency Interference, is a type of EMI that extends over the 1kHz - 10 GHz K.

UST: Underground storage tank.

1.4 ACTION SUBMITTAL

A. Fuel Level Monitoring and Leak-detection Installer:

1.

The Fuel Level Monitoring and Leak-detection system shall be installed by a certified Veeder-Root technician.

2.

Submit the Fuel Level Monitoring and Leak-detection system installer’s credentials for approval a minimum 15 days after award of contract.

B. Product Data: For each type of product indicated. Include construction details, material descriptions, and dimensions of individual components and profiles. Also include, where applicable, rated capacities, operating characteristics, electrical characteristics, and furnished specialties and accessories.

1. Piping specialties.

2. Fuel-oil storage tank piping specialties.

3. Fuel Level Monitoring and Leak-detection system.

1.5 INFORMATIONAL SUBMITTALS

A. Field quality-control reports.

B. Warranty: Sample of special warranty.

1.6 CLOSEOUT SUBMITTALS

A. Operation and Maintenance Data: For fuel-oil equipment and accessories to include in emergency, operation, and maintenance manuals.

1.7 QUALITY ASSURANCE

A. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application.

B. Comply with ASME B31.9, "Building Services Piping," for fuel-oil piping materials, installation, testing, and inspecting.

C. Comply with requirements of the EPA and of state and local authorities having jurisdiction. Include recording of fuel-oil storage tanks and monitoring of tanks and piping.

1.8 DELIVERY, STORAGE, AND HANDLING

A. Deliver pipes and tubes with factory-applied end caps. Maintain end caps through shipping, storage, and handling to prevent pipe end damage and to prevent entrance of dirt, debris, and moisture.

1.9 PROJECT CONDITIONS

A. Interruption of Existing Fuel-Oil Service: Do not interrupt fuel-oil service to facilities occupied by Government unless permitted under the following conditions and then only after arranging to provide temporary fuel-oil supply according to requirements indicated:

1.

Notify Contracting Officer no fewer than five days in advance of proposed interruption of fuel-oil service.

2.

Do not proceed with interruption of fuel-oil service without the Contracting Officer’s written permission.

1.10 WARRANTY

A. Fuel Level Monitoring and Leak-detection system

1. Shall be warranted for a period of one year from date of installation.

2. The warranty is to include parts and labor, with all warranty work performed on site by an authorized manufacturer's representative.

B. Piping Specialties and Fuel-Oil Tank Piping Specialties shall be repaired or replaced within 1 year of final acceptance due to failure in material or workmanship.

PART 2 - PRODUCTS

2.1 PIPES, TUBES, AND FITTINGS

A. See Part 3 piping schedule articles for where pipes, tubes, fittings, and joining materials are applied in various services.

2.2 PIPING SPECIALTIES

A. Flexible Vent Hose: Comply with UL 567.

1. Metallic Connectors:

See Editing Instruction No. 1 in the Evaluations for cautions about naming manufacturers. Retain first subparagraph and list of manufacturers below. See Division 01 Section "Product Requirements."

a. Manufacturers: Subject to compliance with requirements, available manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following:

1) American Flexible Hose Co., Inc.

2) Flexicraft Industries.

3) FLEX-ING, Inc.

4) Metraflex Company (The).

5) Tru-Flex Metal Hose Corp.

b. Listed and labeled for aboveground and underground applications by an NRTL acceptable to authorities having jurisdiction.

c. 2” nominal pipe size, stainless-steel and titanium alloy construction.

d. Minimum Operating Pressure: 150 psig.

e. End Connections: 2” Female glue pipe connection for FRP pipe, and swivel male threaded end to match connected piping.

f. Length: as indicated on drawings.

2.3 JOINING MATERIALS

A. Bonding Adhesive for Fiberglass Piping to female glue pipe portion of flexible vent hose: As recommended by fiberglass piping manufacturer.

2.4 FUEL-OIL STORAGE TANK PIPING SPECIALTIES

A. Manufacturers: Subject to compliance with requirements, provide products by one of the:

1. EBW, Inc.

2. Environ Products, Inc.

3. Morrison Bros. Co.

4. OPW

B. Pipe Adapters and Extensions: Compatible with piping and fittings.

C. Weatherproof Vent Cap: Cast- or malleable-iron increaser fitting with corrosion-resistant wire screen, with free area at least equal to cross-sectional area of connecting pipe and threaded-end connection as indicated on drawings.

D. Metal Manholes and cover: As indicated on drawings.

E. Interstitial Space Monitor Tube Cap and Tank Level Sensor Tube Cap: Aluminum, side seal, padlock fitting, sensor cable bushing sized as required. Provide pipe bushing as required to fit existing monitor tube pipe size. Provide OPW model 62M or equal.

2.5 FUEL LEVEL MONITORING AND LEAK-DETECTION SYSTEM

A. All items listed under this paragraph are hardness certified as a system by Higher Headquarters. Substitutions are not allowed for any items listed under this paragraph.

B. Tank Fuel Level Monitoring, Inventory and Continuous Statistical Leak Detection system. All items listed under this paragraph shall be a product of Veeder-Root or meet Veeder-Root original equipment specifications. Provide the following items:

1. See Editing Instruction No. 1 in the Evaluations for cautions about naming manufacturers. Retain one of first two subparagraphs and list of manufacturers below. See Division 01 Section "Product Requirements."

a. Visual and audible alarms in "Liquid-Level Gage System" Article may be used as part of leak-detection system.

b. Continuous Statistical leak-detection, inventory and monitoring system console, TLS 350 Plus with programmable alarms and integral printer.

c. 4 relay output.

d. All required electronic interface modules for probe and sensors listed below.

e. Magnetostrictive in-tank probe, Mag Plus for nominal 4,000 gallon, 6ft diameter, double wall fiberglass UST. Provide with 4” diesel float kit, probe cord and nominal 4 inch diameter x 18 inch long pipe riser.

f. Discriminating piping sump sensor, Mag Pro 12” with universal sensor mounting kit. Provide with probe cord.

g. Non-discriminating interstitial sensor for 6ft diameter fiberglass tanks. Provide with probe cord.

h.

Controls: Electrical, operating on 120 V ac.

i.

Remote overfill alarm Retain three subparagraphs below for an optional feature that replaces system described in "Liquid-Level

Gage System" Article. (790091-001) and acknowledge switch (790095-001).

j.

Shielded wiring for probe and sensors per Veeder-Root specifications as required for connection between fuel tank piping sump and Veeder-Root console in the LF Support Building.

C. EMC Filter

1. Provide EMC powerline filter for Veeder-Root control panel, product of Captor Corporation (Ph # 937-667-8484), part number A-8982 for feed-thru mounting applications.

Two filters are required, one for hot and one for neutral wire.

D. Transient Voltage Surge Suppressor

1. Provide TVSS for Veeder-Root control panel, product of Transtector, part

#ACP100MN.

E. EMC Enclosure

1. Provide EMC enclosure for Veeder-Root control console, product of Hoffman, part #CSD242412LGEMC.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine roughing-in for fuel-oil vent piping system to verify actual locations of piping connections before equipment installation.

B. Proceed with installation only after unsatisfactory conditions have been corrected.

3.2 EARTHWORK

A. Excavate as required:

1. around piping sump for sensor wiring conduit work.

2. for installation of new interstitial space manhole assembly.

3. for installation of new fuel tank vent piping and supports.

B. Comply with requirements in Division 31 Section "Earthwork" for excavating, trenching, and backfilling.

3.3 PREPARATION

A. Comply with NFPA 30 and NFPA 31 requirements for prevention of accidental ignition.

3.4 OUTDOOR PIPING INSTALLATION

A. Install underground fuel-oil piping buried at least 18 inches below finished grade and as indicated on drawings. Comply with requirements in Division 31 Section "Earthwork" for excavating, trenching, and backfilling.

B. Install vent pipe at a minimum slope of 2 percent downward toward fuel-oil storage tank.

C. Install fittings for changes in direction in rigid pipe.

D. Install system components with pressure rating equal to or greater than system operating pressure.

3.5 PIPING JOINT CONSTRUCTION

A. Ream ends of pipes and tubes and remove burrs.

B. Remove scale, slag, dirt, and debris from inside and outside of pipe and fittings before assembly.

C. Threaded Joints: Thread pipe with tapered pipe threads according to ASME B1.20.1. Cut threads full and clean using sharp dies. Ream threaded pipe ends to remove burrs and restore full ID. Join pipe fittings and valves as follows:

1. Apply appropriate tape or thread compound to external pipe threads unless dry seal threading is specified.

2. Damaged Threads: Do not use pipe or pipe fittings with threads that are corroded or damaged. Do not use pipe sections that have cracked or open welds.

D. Fiberglass-Bonded Joints: Prepare pipe ends and fittings, apply adhesive, and join according to pipe manufacturer's written instructions and on drawings.

3.6 LEAK-DETECTION AND MONITORING SYSTEM INSTALLATION

A. Install leak-detection and monitoring system. Install control panel inside building where indicated.

1. Install tank fuel level sensor, sump leak sensor and interstitial space leak sensor.

B. Program the system:

1. The correct Xerxes UST per the “Tank Calibration Charts” located at the end of this section:

a. The 2-page chart labeled “Applicable to 12 LF Sites” applies to the following LF sites:

B-11, D-3, D-4, D-7, E-7, G-3, G-11, H-2, I-8, J-6, L-6 and N-3.

b. The 2-page chart labeled “Applicable to 138 LF Sites” applies to all LF sites except those listed above.

c. Contact Malmstrom personnel for MAF and base tank information.

2. Printouts and stored data will list the particular site number (i.e. A- 2).

3. All sites are the same except for the site number.

4. General alarm relay output for all alarms except high fuel level.

a. Relay output wired and connected to the GMR panel (GMR-5 input).

5. Program panel to print only when manually requested by operator.

3.7 CONNECTIONS

A. Install flexible piping connector and related parts at fuel tank vent riser as indicated on drawings.

B. Connect all leak-detection and monitoring system sensors, wires, wire shielding, etc as shown on drawings and in the specifications for a complete and operable system.

3.8 FIELD QUALITY CONTROL

A. Manufacturer's Field Service: Engage a VeederRoot factory-authorized service representative to install, inspect, test, and adjust components, assemblies, and equipment installations, including connections.

B. Perform tests and inspections.

1.

Manufacturer’s Field Service: Retain subparagraph below to require a factory-authorized service representative to assist Contractor with inspections, tests, and adjustments.

B.

Engage a factory-authorized service representative to inspect components, assemblies, and equipment installations, including connections, and to assist in testing.

C. Tests and Inspections:

D. Fuel-oil piping and equipment will be considered defective if it does not pass tests and inspections.

E. Prepare test and inspection reports.

3.9 DEMONSTRATION

A. Engage a factory-authorized service representative to train Owner's maintenance personnel to adjust, operate, and maintain the Leak-Detection and Monitoring System.

3.10 OUTDOOR PIPING SCHEDULE

Aboveground fuel-oil vent piping shall be 2” Nominal Pipe Size (NPS) galvanized steel pipe, threaded fittings, and threaded joints.

END OF SECTION 231113