A04.Scope_of_Work_for_AST_Lacreek_NWR_Martin_SD_Oct.doc

Scope of Work

Remove/Dispose then Furnish and Install two (2) Above Ground Fuel Storage Tanks at Refuge Headquarters, Lacreek NWR, Martin, SD

PART 1 – GENERAL

1.01 Scope of Work: Contractor shall provide all labor, equipment, materials and services to remove and dispose of two (2) existing 500 gallon Convault tanks; install two (2) 500 gallon, above-ground, UL 2085 listed, fireguard rectangular, double-walled tank with accessories and services, and install one (1) existing pump on Unleaded fuel tank, and install one (1) new pump on Diesel tank, all located on Lacreek National Wildlife Refuge, Martin, SD.

1.02 Site Planning:

A. Tank location:

Tanks shall not be installed closer than 3 feet apart.

1.03 SUBMITTALS: The contractor shall submit for approval the manufacturer’s name, tank data, materials of construction, UL listing, installation instructions and warranty.

PART 2 - PRODUCTS

2.01 Fuel Storage Tanks:

A. Two (2) 500 gallon UL 2085 and 2080 listed, Fireguard Rectangular, steel, double-walled, thermally insulated, and rated for both protected and fire-resistant tank. Tank shall be warranted by the manufacturer for 30 years, and be:

1. The 500 gallon tanks shall be approximately 8.5’ long, 4’ wide, 4’ high, having a gross weight of approximately 6,000 pounds.

2. All exterior steel shall be coated to inhibit corrosion and rust

3. The fill tube must be equipped with a lockable cap.

2.02 Tank Accessories

A. Tanks shall be equipped with:

1. A steel UL listed overflow containment basin surrounding the fill inlets manufactured for the primary tank, surrounding fill pipes, and protected by the two-hour fire rating of the enclosure. The overflow basins must have a capacity of not less than three (3) gallons, and contain a stick port or normally-closed valve to release spilled product into the main tank for overfill protection;

2. Float-type visual level gauges for determining the level of liquid in each tank that is accessible to the delivery operator;

3. Vent package, with vent pipes, emergency vents, vent and fill caps, adaptors, gauge sticks. Terminate top of vent not less than 12 feet from grade

4. Placards and labels are to be placed on all tanks, all sides, and be impervious to tank contents, UV, and extreme weather exposure. Furnish NFPA placards (gasoline = 1,3,0 or diesel = 0,2,0). Additionally, label each tank with its capacity, contents and hazard warnings (“No Smoking, Gasoline, Flammable”; “No Smoking, Diesel, Flammable”).

2.03

DISPENSING UNIT:

1. The system shall be equipped with a UL-listed, electrically-operated 20 gpm dispensing pump in an enclosed steel cabinet mounted on top of 1,000-gallon capacity tanks or less, and on the side of tanks greater than 1,000-gallon capacity, and using steel side mounting brackets provided and installed by the manufacturer.

2. Nozzles from which gasoline or methanol is introduced into motor vehicles shall have a maximum flow rate not to exceed 10 gallons per minute as may be controlled through any means in the pump/dispenser system. Any dispensing pump that is dedicated exclusively to heavy-duty vehicles, boats, or airplanes is exempt from this requirement.

3. Anti-spill valves - where product piping extends below the top of the tank, the piping shall include a shut-off valve and normally-closed safety valve. The safety valve shall be an approved anti-siphon valve or electric solenoid valve.

4. Either pump/dispenser must be installed on the side nearest the vehicles to be serviced. The pumping system shall include:

A. Filter

B. Hose (must also be listed for the product dispensed)

C. Auto-shutoff nozzle

D. Safety sever/shear valve

E. Anti-siphon (back-flow) valve, or electric solenoid valve

F. Grounding feature

2.04 Miscellaneous Tank Accessories

A. Filters, fittings, fittings, strainers, valves, priming tees;

B. Double-walled piping and hoses listed for the product used;

C. Grounding system;

D. Other materials equipment, and appurtenances required for the proper installation of the fuel system for the above ground tank pump;

E. Electrical supply conforming to NFPA 70

PART 3 - EXECUTION

3.01 Contractor shall provide all services and equipment to remove existing Convault tanks, accessories, connections, piping, pumps and hoses. All disposal, removal and transport of materials shall be in accordance with all local, state and federal regulations. Contractor shall be responsible for removal and disposal of any remaining/residual fuel in the tanks.

3.02 Contractor shall furnish and install tanks, accessories, connections, start-up, manuals and instruction for a complete and operating installation. Coordinate work and site visits as required with Station Manager.

3.03 Work shall be in accordance with latest edition of federal, state and local environmental, safety, and fire regulations; National Fire Protection Association Code and/or standards; federal, state and local electric and plumbing codes. Electrical work shall be performed under the direct supervision of a licensed electrician.

3.04 Ground the fuel tank in accordance with the general requirements of NFPA 780, Lighting Protection Code. Grounding rod shall be ¾” diameter, 10’-0” copper-clad steel, solid copper or stainless steel. Position rod in close proximity to the tank vent pipe to accommodate a #4 single strand copper wire clamped from vent pipe to ground rod. The wire and rod must be installed in a manner as to prevent tripping hazards.

3.05 The tank must be suitably anchored to withstand uplifting by tornadoes, floods, or high-water surges. The tank system shall be anchored to the slab/ground with 3/8” 18-8 galvanized or stainless steel cable secured to embedded eyebolts, and maintained tightly with turnbuckles.

3.06 Calibrate float fuel gauges, provide water-resistant chart to station indicating gauge reading with calculated product level (e.g., 3’ = 700 gallons full).

3.07 Test the fuel storage and delivery systems to ensure the fuel is properly fed, leak free, and operates in a satisfactory manner. Repair and retest if necessary.

3.08 Clean site of all materials and debris.

3.09 Provide the Station Manager instruction on the system, accessories, tank gauge reading chart, operation procedures, manufacturer warranties, and tank manufacturer inspection, repair, and operation literature. Provide 2 sets in binder to the Station Manager prior to final acceptance.