DERR-2025-002903

WESTECH EQUIPMENT
195 WEST 3900 SOUTH • P.O. BOX 57307 • SALT LAKE CITY, UTAH 84157-0307
801-266-2545 • TOLL FREE 800-433-8831 • 24 HOUR FAX [phone]

UST OVERFILL EQUIPMENT INSPECTION
AUTOMATIC SHUTOFF DEVICE AND BALL FLOAT VALVE
Facility Name:
ATK Defense and Launch Vehicle
Division North Fueling Owner: Northrup Grumman
Address: Utah Hwy 83 25 NW Brigham City Address: PO Box 707 M/S 301
City, State, Zip: Promontory, Utah 84302 City, State, Zip: Brigham City, Utah 84302
Facility I.D.#: 0100215 Phone #: [phone]
Testing Company: Westech Phone #: [phone] Date: 3/27/25
This data sheet is for inspecting automatic shutoff devices and ball float valve. See PEI/RP1200 Section 7 for inspection procedures.
Product Grade RUL DSL
Tank Number 1 2
Tank Volume, gallons 9,728 5,929
Tank Diameter, inches 92 92
Overfill Prevention Device Brand OPW OPW
Type ☒ Automatic
Shutoff Device
☐ Ball Float
Valve
☒ Automatic
Shutoff Device
☐ Ball Float
Valve
☐ Automatic
Shutoff Device
☐ Ball Float
Valve
☐ Automatic
Shutoff Device
☐ Ball Float
Valve
AUTOMATIC SHUTOFF DEVICE INSPECTION
1. Drop tube removed from tank? ☒Yes ☐No ☒Yes ☐No ☐Yes ☐No ☐Yes ☐No
2. Drop tube and float mechanisms free of debris? ☒Yes ☐No ☒Yes ☐No ☐Yes ☐No ☐Yes ☐No
3. Float moves freely without binding and poppet moves
into flow path? ☒Yes ☐No ☒Yes ☐No ☐Yes ☐No ☐Yes ☐No
4. Bypass valve in the drop tube open and free of
blockage (if present)?
☒Yes ☐No
☐Not Present
☒Yes ☐No
☐Not Present
☐Yes ☐No
☐Not Present
☐Yes ☐No
☐Not Present
5. Flapper adjusted to shut off flow at 95% capacity? * ☒Yes ☐No ☒Yes ☐No ☐Yes ☐No ☐Yes ☐No
A "No" to any item in Lines 1-5 indicates a test failure.
BALL FLOAT VALVE INSPECTION**
1. Tank top fitting vapor-tight and leak free? ☐Yes ☐No ☐Yes ☐No ☐Yes ☐No ☐Yes ☐No
2. Ball float cage free of debris? ☐Yes ☐No ☐Yes ☐No ☐Yes ☐No ☐Yes ☐No
3. Ball free of holes and cracks and moves freely in cage? ☐Yes ☐No ☐Yes ☐No ☐Yes ☐No ☐Yes ☐No
4. Vent hole in pipe open and near top of tank? ☐Yes ☐No ☐Yes ☐No ☐Yes ☐No ☐Yes ☐No
5. Ball float pipe proper length to restrict flow to 90%
capacity? *** ☐Yes ☐No ☐Yes ☐No ☐Yes ☐No ☐Yes ☐No
A "No" to any item in Lines 1-5 indicates a test failure.
Test Results ☒Pass ☐Fail ☒Pass ☐Fail ☐Pass ☐Fail ☐Pass ☐Fail
Comments:
*Use manufacturer’s suggested procedure for determining if automatic shutoff device will shut off flow at 95% capacity.
**If a ball float valve is found to fail the inspection, another method of overfill must be used.
***Use manufacturer’s suggested procedure for determining if flow restriction device will restrict flow at 90% capacity.
Tester’s Name Taber DeHart, UT-0394 Tester’s Signature