H42.REV

FUEL OIL TANKS AND SYSTEMS

NOTE: FINAL COPY: JUNE, 1988.

NOTE: THE SECTION COVERS PETROLEUM STORAGE FACILITIES. COORDINATE THIS SECTION WITH EMERGENCY GENERATOR, BOILER PLANT AND PIPING

NOTE: EDIT PORTIONS OF WORK INDICATED TO SUIT PROJECT REQUIREMENT. ALSO FOR LOCAL ENVIRONMENTAL ORDINANCES FOR ABOVE GROUND AND UNDERGROUND STORAGE

NOTE: PETROLEUM STORAGE FACILITIES IN NEW YORK STATE (NYS) MUST COMPLY WITH THE REGULATION CONTAINED IN 6 NYCRR PARTS 612, 613 AND 614

Part 1 -	GENERAL

1)	WORK INCLUDED

A.	Work in this Section includes the providing of labor, materials, equipment, and services necessary for a complete and safe installation in accordance with the contract documents and all applicable codes and authorities having jurisdiction for the following

1.	Tanks

2.	Transfer Pumps

3.	Instrumentation

4.	Wiring as noted

5.	All other necessary or mandated components and services.

2)	RELATED WORK

A.	Requirements of GENERAL CONDITIONS, DIVISION No.1 and Section GENERAL PROVISIONS FOR HEATING VENTILATING AND AIR CONDITIONING WORK apply to all work in this section

B.	Related work in the following sections:

1.	PIPING

2.	BOILER PLANT

3.	MOTORS AND MOTOR CONTROLLERS.

4.	EMERGENCY GENERATOR.

NOTE: WRITE DESCRIPTION FOR PROJECT

3)	SYSTEM DESCRIPTION

4)	REFERENCE STANDARDS

A.	Published specifications, standards tests or recommended methods of trade, industry or governmental organizations apply to work in this Section

B.	Comply with all applicable national, state and local codes and refer to Section GENERAL PROVISIONS FOR HEATING, VENTILATING AND AIR CONDITIONING WORK for additional Reference Standards

5)	QUALITY ASSURANCE

A.	American Society Mechanical Engineers (ASME)

B.	American National Standard (ANSI)

C.	American Petrolum Institute (API)

D.	American Society for Testing Materials (ASTM)

E.	Local Building Ordinance

F.	Local Department of Environmental Conservation (DEC).

G.	National Association of Corrosion engineers (NACE)

H.	National Fire Protection Association (NFPA)

I.	National Electric Manufactur's Association (NEMA)

J.	Occupational Safety and Health Standards (OSHA)

K.	Steel Tank Institute (STI)

L.	Underwriter's Laboratories (UL)

M.	United States Environmental Protection Agency (EPA)

NOTE: FOR NEW YORK CITY

N.	Manufactrers shall have a Material Equipment Approval number (MEA) or Bureau of Standards and Appeals numbers (BS&A) for the CITY of NEW YORK

6)	SUBMITTALS

A.	Tanks: Manufacturer's approved brochure and installation manual applicable to the required tank specified herein. This shall include type, capacity, test coating and monitoring system. Shop drawing shall include dimensions, tapping and manhole location and dimensions, and tank hold down system and tank supports

B.	Pumps: Manufacturer's approved brochure installation manual including pump curve and motor data

C.	Control System: control panels, certified drawing, written description of operation and wiring diagram

Part 2 -	PRODUCTS

1)	BASE BID MANUFACTURERS

A.	Steel Tank: Buffalo Tank, Adamson

B.	Fiberglass: Owens-Corning, Xerxes

C.	Oil Pump/Oil Pump Sets: Kraissl, Preferred Utilities, B.F.S. Indusries and Coe

D.	Oil System Accesories: Preferred Utilities and Renick Mahoney Division of Garsite

NOTE: FOR SINGLE WALL STEEL TANKS INCLUDE APPROVED METHOD OF SECONDARY CONTAINMEN

2)	STEEL FUEL TANK

UEL

A.	Fuel Oil Tank shall be single wall, heads of minimum 5/16 inch thick steel, constructed in accordance with NFPA, UL and authorities having jurisdictio

NOTE: FOR SINGLE WALL TANKS OVER 10 FEET IN DIAMETER

B.	Fuel Oil Tank shall be single wall, heads of minimum 3/8 inch thick steel, stiffened with angle rings or equivalent in accordance with NEPA, UL and authorities having jurisdiction.

NOTE: FOR DOUBLE WALL TANKS

C.	Fuel Oil Tank shall be double wall, steel, constructed in accordance with NFPA, UL and authorities having jurisdiction.

NOTE: FOR DOUBLE WALL TANKS OVER 10 FEET IN DIAMETER

D.	Fuel Oil tank shall be double wall steel, stiffened with angle rings or equivalent in accordance with NFPA, UL and authorities having jurisdiction. Tank shall be designed to provide monitoring capability. Tank manufacturer shall supply monitor as noted under accessories

NOTE: INDICATE NUMBER AND SIZE OF MANHOLE(S) AND LOCATION OF ALL PIPING CONNECTION AND DRAWING

UEL

E.	Tanks shall have manhole with flanged manway, inside ladder, lifting lugs and piping connections for suction, return, vent, gauge, fill, two spare, plus monitor

F.	Tank shall be subjected to pressure tests in conformance with local ordinances.

G.	Tank shall be wire brushed and cleaned inside and outside of tank.

PAINT

H.	Paint exterior surfaces with two coats of bitumastic paint, Koppers 50

NOTE: FOR HIGHLY CORROSIVE SOILS.

I.	Paint exterior surfaces with Koppers 70B or Buffalo Buffhide in accordance with manufacturers instructions

NOTE: UNDERGROUND STEEL TANKS IN NYS REQUIRE CATHODIC PROTECTION

J.	Paint entire exterior services with coal-tar epoxy coating and equip tank with sacrifical anodes for cathodic corrosion protection system.

NOTE: FOR OUTDOOR BURIED TANKS. CHECK WITH CIVIL ENGINEER FOR POSSIBLE GROUND WATER LEVEL AT LOCATION WHERE TANKS SHALL BE BURIED. CIVIL ENGINEER TO DESIGN CONCRETE PAD TO ANCHOR TANK

PAINT

K.	Tank shall be mounted on a concrete foundation and cradle with tiedown straps, turnbuckles and anchor bolts

NOTE: FOR OUTDOOR BURIED TANKS.

L.	Tank manhole enclosure shall be provided with reinforced concrete with 3/8 inch diameter rods 6 inch on centers vertically and horizontally, wired in place. Size as indicated and provide with a steel ladder

NOTE: FOR TANK LOCATED IN GRASS OR WALKWAY AREA.

SQUA

1.	Manhole enclosure shall be a 36 inch square walkway frame and hinged cover, similar to Flockhart Foundry Co., Type 678

NOTE: FOR TANK LOCATED IN DRIVEWAY.

2.	Manhole enclosure shall be 36 inch square roadway frame and hinged cover, similar to Flockhart Foundry Co., Type 644

SQUA

NOTE: FOR SINGLE WALL FIBERGLASS TANKS INCLUDE APPROVED METHOD OF SECONDARY CONTAINMENT

3)	GLASS FIBER TANK

ANK

A.	Fuel oil tank shall be factory fabricated, single wall glass fiber reinforced polyester (GFRP), horizontal cylindrical, spherical head configuration suitable for underground storage of fuel oil at atmospheric pressure. Tank shall be designed in accordance with ASTM-D4021 and tank shall bear UL certification plate. Tank shall be similar to Owens Corning Fiberglass Corp., Model -----------

B.	Fuel Oil Tank shall be factory fabricated, double-wall glass fiber reinforced polyester (GFRP), horizontal cylindrical, spherical head configuration suitable for underground storage of fuel oil at atmospheric pressure. Tank shall be designed in accordance with ASTM-D4021 and shall bear UL certification plate. Tank shall be similar to Owens Corning Fiberglas Corp model DWT-ZP

ANK

1.	Tank shall be designed to provide monitoring capability. Tank manufacturer shall supply monitor as noted under accessories

C.	Fuel Oil Tank shall withstand load conditions due to:

1.	External hydrostatic Loads and buoyancy forces.

S urface loads of H-20 axle loads (32,000 lbs/axle) when installed in accordance with manufacturer's recommendations

2.	Internal loads due to leak testing and storage of fuel oil

3.	Installation and accessories.

D.	Size and location shall be as shown on drawings. Provide piping connections for suction, return, vent, gauge, fill plus two spares consisting of steel, 4 inch dia, NPT threaded, both ends. Provide flanged 22 inch ID manway with gaskets, bolts, nuts, cover

1.	Provide anchor straps, GFRP. Provide fill tube, GFRP, 4 inch dia, factory installed, to terminate 4 inch from bottom of tank. Provide steel ladder extending to bottom of tank with bolts, nuts, and lugs. Lifting lugs shall be steel

NOTE: CHECK WITH CIVIL ENGINEER FOR POSSIBLE GROUND WATER LEVEL AT LOCATION WHERE TANKS SHALL BE BURIED. CIVIL ENGINEER TO DESIGN CONCRETE PAD TO ANCHOR TANK AND/OR OIL TIED BASIN ACCODINGLY

2.	Installation shall be per manufacturer's written installation instructions and as follows: place tanks on 12-inch thick bed of pea gravel not less than 1/8 inch or more than 3/4 inch (naturally rounded aggregate, clean and free flowing, conforming to the written requirements of the tank manufacturer) and provide material anchor straps

NOTE: TEST PRESSURE VARIES WITH TANK DIAMETER. CHECK WITH MANUFACTURER

3.	After tanks are set in place, test by applying internal air pressure of 5 psig, using soap suds to locate leaks. Test and repair of leaks shall be in accordance with the instruction of the manufacturer and under the on-site supervision of a representative of the manufacturer. Retest until all leaks are repaired. Tests shall be witnessed by the Engineer

4.	Prior to backfilling, clean and coat all metal parts which will be below grade (including straps, bolts, piping) with protective coats of coal tar base pitch using quantities and methods recommended by the manufacturer of the coating for underground service

5.	Backfill around the tanks as recommended by the tank manufacturer. Backfill material shall be pea gravel indentical to the bed material

6.	Do not place fluid in tanks until back filling is complete, pipe connections to tanks are complete, and tanks have been inspected by the Engineer. Keep tank excavation dewatered

4)	DAY TANK AND TRANSFER PUMP

A.	Boiler room day tank shall be a minimum No. 10 USSG steel tank, 24 inch diameter by 30 inch long with 60 gallon capacity in accordance with NFPA requirements and authorities having jurisdiction. Provide with necessary pipe tappings and tank shall be ceiling suspended and fastened to overhead framing. Vent to atmosphere and provide vent piping and terminal

B.	Tank gauge: Provide similar to Midget Levelometer, connected to tank and mount on wall

C.	Transfer pump: Provide as noted under Duplex Fuel Oil transfer pump set and provide with

CONT

a.	Low level controls to start pump. High level controls to stop pump when high level is reached. Similar to McDonnell Miller No. 80

5)	FUEL OIL PUMPS AND HEATERS.

NOTE: FOR FUEL OIL NO. 2 OR NO. 4.

CONT

A.	Duplex fuel oil pump set shall have cast iron base the full length of pump and motor with raised lip. Pump shall be direct-driven, rotary gear type, similar to Viking Pumps/BFS> Industries Code <BJG>, Series -----

1.	Combination motor controller in <NEMA-1> enclosure and un-fused disconnect switch, fuel oil pump selector switch, and operating lights

2.	Provide a 1 inch adjustable relief valve, basket type suction strainer in oil suction line. Provide 4 1/2 inch diameter pressure gauge in pump discharge line compound pressure-vacuum gauge in pump suction line

NOTE: FOR FUEL OIL NO. 5 OR NO. 6, USING STEAM

UEL

B.	Fuel oil pumping, heating and straining set: Provide factory assembled, packaged steam type, as hereinafter specified, mounted, piped and wired on a structural steel stand. [heat source steam. Complete with following

1.	Steam-to-water-to-fuel oil heat exchanger capable of heating fuel oil from 90 deg F to 150 deg F. Shell and tube of safety type. Double walled tubes containing indicating substance in case of system contamination. Exchanger shall be supplied with sight glass and shall be similar to Alstrom 6DT - ----- Series

2.	Electric fuel oil heater capable of heating fuel oil from 90 deg F to 150 deg F, not more than 18 watts per square inch for operation on 480 volt, 3 phase, 60 cycle. Heater manifold shall be of steel shell and flanges for 200 psig working pressure. Heater shall be controlled by a line voltage thermostat which is wired in the pilot circuit of a contactor of ample rating for heater current. Heater shall be similar to Preferred Utilities Model No. L-6

3.	For fuel oil pumps with duplex strainer see Section Duplex oil transfer pump set this specification and schedules on drawings

4.	Control thermostat and magnetic contactor arranged to cutout electric heater when required steam is available and oil temperature has reached predetermined point

5.	Oil pressure regulator shall be installed at end of fuel oil supply loop. Regulator shall be diaphragm operated, spring loaded type and set to maintain constant oil pressure in loop by by-passing oil to return line, gradual operation and without shock, similar to Cash No. 123

6.	Provide 4-1/2 IN. DIAL, separate socket thermometers. In oil suction, scale shall be 30 - 180 deg F. In common oil discharge from heater, scale shall be 40 - 300 deg F

7.	Provide compound gauges with 4 1/2 IN. Scale shall be 30 in. mercury to 30 psi. In common oil suction before strainer and at each pump suction

8.	Discharge pressure gauges shall have 4-1/2 IN. DIAL. and 0-300 psi scale. Common fuel-oil pump discharge shall be before heater and common fuel-oil discharge after heater. Mount on 3/8 in. thick steel base pan

9.	Heater shall be mounted on self-supporting structural pedestal.

10.	Pumps shall be set end-to-end on base pan adjacent to heater, suitable for connecting fuel-oil suction, supply, return lines, steam and condensate

11.	Control panel shall be unit mounted of 16 gauge steel. Control cabinet shall shall have hinged front door complete with labels and equipment mounted and wired included circuit breakers for each fuel oil pump, and electric heater, motor starters for each fuel oil pump, contactor for electric heater and on/off switches and run indicating light for each fuel oil pump. A wiring diagram shall be mounted on the interior surface of the cabinet door. Enclosures shall be Class I, Group D, Div 2 for skid mounted equipment

NOTE: FOR FUEL OIL NO. 5 & 6 WITH HOT WATER BOILER

C.	Fuel oil pumping, heating and straining set: Provide factory assembled, packaged hot water type, as hereinafter specified, mounted, piped and wired on a structural steel stand, complete with the following

UEL

1.	Water-to-water-to-fuel forced circulation design oil heat exchanger capable of heating fuel oil from 90 deg F to 150 deg F. Shell and tube shall be of safety type. Double walled tubes containing indicating substance in case of system contamination. Exchanger shall be supplied with sight glass and shall be similar to Alstrom 6DT ----- Series furnish in line water pump to circulate boiler water through preheater

2.	Electric fuel oil heater shall be capable of heating fuel from 90 deg F to 150 deg F, not more than 18 watts per square inch for operation on ----- volt, 3 phase, 60 cycle. Heater manifold shall be of steel shell and flanges for 200 psig working pressure. Heater shall be controlled by a line voltage thermostat which is wired in pilot circuit of a contactor of ample rating for heater current. Heater shall be similar to Preferred Utilities Model No. L----

3.	For fuel oil pumps with duplex strainer refer to article Duplex Oil Transfer Pump Set, in this section and schedules on the drawings

4.	Control thermostat and magnetic contactor shall be arrangd to cutout electric heater when required water is available and oil temperature has reached predetermined point

5.	Oil pressure regulator at end of fuel oil supply loop: Provide diaphragm operated, spring load type and set to maintain constant oil pressure in loop by by-passing oil to return line, gradual operation and without shock, similar to Cash No. 123

6.	Thermometers shall have 4 1/2 in. dial with separate socket. In oil suction, scale shall be 30 - 180 deg F. In common oil discharge from heater, scale shall be 40 - 300 deg F

7.	Compound gauges shall have 4 1/2 IN. DIAL. with 30 in. mercury to 30 psi scale. Provide on common oil suction before strainer and at each pump suction

8.	Discharge pressure gauges shall have 4-1/2 IN. DIAL. and 0-300 psi scale. Provide common fuel-oil pump discharge before heater and commo fuel-oil discharge after heater. Mount on 3/8 in. thick steel base pan

9.	Heater shall be mounted on self-supporting structural pedestal.

10.	Pumps set end-to-end on base pan adjacent to heater, suitable for connecting fuel-oil suction, supply, return lines, hot water supply and return

11.	Control panel shall be unit mounted of 16 gauge steel. Control cabinet shall have hinged front door complete with labels and equipment mounted and wired included circuit breakers for each fuel oil pump, and electric heater, motor starters for each fuel oil pump, contactor for electric heater and on/off switches and run indicating light for each fuel oil pump and line boiler water circulating pump. A wiring diagram shall be mounted on the interior surface of the cabinet door. Enclosure shall be Class I, Group D, Div. 2 for skid mounted electrical equipment

6)	ACCESSORIES

A.	Tank monitoring system for double wall tanks.

1.	Monitoring system shall detect a breach in inner or outer tank under all circumstances

2.	A remote monitoring panel shall provide continuous indication on the monitor panel. Panel shall be equiped with audio alarm, normal and alarm panel lights, test push button, acknowledge button. Acknowledge button shall silence the audibly only, the visual will continue to flash until situation is corrected

3.	Monitoring panel shall be pre assembled and U.L. rated. Panel housing shall be weather proof and wall mounted. Panel shall use a 120 Volt-AC power circuit

4.	Tank monitoring system shall be Supplied by tank manufacturer.

B.	Oil storage tank gauges: Provide similar to Preferred Instruments TG-EL-D connected to each tank. Provide remote reading, automatic, digital type fuel oil tank gauge system utilizing electronic solid state design. Provide high and low level switches with alarm indication, enclosed cable, level displacer, characters 0.8 inches high and mount on panel located in boiler plant. Electrical enclosures in and around tank shall be Class I, Group D, Div. 2

C.	Oil storage tank fill line and test well terminals: Terminate fill line in fill box. Provide box, cadmium plated, cast iron body with brass cap and lock, similar to Preferred Utilities Type W, 4 inch size. Terminate test well line in similar box

NOTE: NOT REQUIRED UNLESS FILL BOX OR TEST WELL IS LOCATED WHERE SUBJECT TO HEAVY TRAFFIC, SUCH AS DRIVEWAYS, PARKING AREAS, ETC

1.	Install test well and fill line boxes in waterproof, cast iron street boxes, similar to Preferred Utilities Type 126-A. Number of test wells and fill boxes shall correspond to number of tanks

D.	Vent terminals: Terminate oil tank vents in:

CAST

1.	Cast iron vent brick.

2.	Aluminum vent brick.

CAST

3.	Vent brick with threaded connection, full size of vent line, similar to Riesner

4.	Terminate oil tank vents to terminate in acceptable weatherproof vent cap, similar to Preferred Utilities Junior Vent Protector

NOTE: USE WHERE OIL BURNER IS LOCATED LOWER THAN FUEL OIL TANKS.

E.	Provide bronze, antisyphon valves, equipped with dash pot for noiseless operation, similar to Preferred Utilities Type A, at high point of suction lines from fuel oil tanks

F.	Fusible link valve: Install where shown in the fuel oil supply, a quick closing, spring loaded, lever gate valve held open by a wire with fusible link, arranged so that the valve will automatically close if the link melts, similar to Preferred Utilities Type 110

NOTE: FOR FUEL OIL NO. 5 OR NO. 6 TO MAINTAIN IN THE STORAGE TANK PUMPABLE TEMPERATURE

G.	Provide suction bell, minimum 1/8 inch thick steel with tappings, openings and supports, located at bottom of suction and return lines in fuel oil storage tank, similar to Preferred Utilities Model SB-20

H.	Provide suction stub heater to be located in the oil suction stub inside of No. 5 or No. 6 oil tank. Provide low watt density, electric immersion type, similar to Preferred Utilities Type SS suction stub heater, capable of heating fuel oil from 50 deg F to 90 deg F, 208 volt, single phase, thermostatically controlled, complete with all required controls and control wiring and complete with stainless steel water and vapor-proof electrical junction box. Electrical enclosures shall be Class I, Group D, Division 2

NOTE: LEAK MONITORING SYSTEM IS REQUIRED ON UNDERGROUND STORAGE TANKS

Part 3 -	EXECUTION

1)	INSTALLATION

A.	Piping

1.	Oil fill line shall be terminated in fill box as noted and at tank in return bend for oil seal

2.	Test well line shall terminate in grade box.

ENT

3.	Vent line shall terminate in aluminum weather vent cap, located as noted, in accordance with requirement of local codes

4.	Vent lines shall terminate in bronze vent brick, located as noted, in accordance with requirements of local codes

ENT

NOTE: USE WHERE OIL TANK IS ABOVE BURNER LEVEL

5.	Provide antisyphon valve in burner fuel-oil suction line at entry to building

6.	Provide ball check in fuel-oil return line.

B.	Electrical

NOTE: COORDINATE WITH ELECTRICAL DEPT AND CHECK ON DISCONNECT SWITCH.

1.	Feeders and disconnect switch for the following equipment are covered under electrical work

a.	Fuel oil pump and heater set.

b.	Transfer pump (set).

c.	Tank monitoring system.

d.	Suction stub heater.

e.	____________________

2.	Contractor shall provide feeder from disconnect switch to panel and all other wiring for controls, interlocks, alarms, emergency switches and as noted. Wiring shall be in rigid conduit and in conformance with specifications for electrical work. Feeder shall be sized for full disconnect switch rating

3.	Contractor shall install and secure equipment to base or wall. All wiring and interconnections shall be made prior to start-up and operation