Vertical Asphalt Tanks - Volumes and Levels - Heatec vertical tanks.pdfVertical asphalt tanks...

HEATEC TEC-NOTEPublication No. 11-04-148

Vertical asphalt tanks Volumes and levels

SCOPE This document applies to vertical asphalt tanks currently manufactured by Heatec (Figure 1). It defines different types of tank volumes and enables users to convert levels to volume.

VOLUME This is the amount of space available for a specific use. Most of the space inside an asphalt tank is used to store liquid asphalt. However, some of the space is occupied by heating coils. And some of the space is reserved for overflow control.

It is helpful to call different spaces by names that indicate their use. These names and definitions are presented below and shown in Figure 2.

In this document volume is expressed in gallons. This is the most common unit of measure used for storage of liquid asphalt at HMA plants in the U.S.

NOMINAL VOLUME This is the approximate capacity of an asphalt tank. This amount is usually a number rounded off in thousands of gal-lons. It is useful in classifying tank sizes, but is not an exact indication of how much asphalt can be stored in a tank.

GROSS VOLUME This is the total amount of space inside an asphalt tank. It does not include the amount of space occupied by insulation. But it does include the space occupied by heating coils and the amount of space reserved for overflow control. Therefore, gross volume is always somewhat more than the amount of asphalt that can be stored in the tank.

NET VOLUME This is the amount of liquid asphalt that can be stored in an asphalt tank. It is equal to the gross volume less the space occupied by the heating coils and less the amount of space reserved for overflow control. It ignores other components such as vent/overflow piping, fill piping, and mixer impellers because the space they occupy is not significant.

COIL DISPLACEMENT VOLUME This is the amount of space occupied by the heating coils. In vertical tanks this space is relatively small. The number of gallons displaced by the coils is listed in Figure 2. Be sure to deduct this amount from the gallons shown in Figure 5 when converting levels to gallons.

Figure 1. Heatec vertical asphalt tanks.

RESERVED SPACE This is empty space in the top of the tank reserved for overflow control. It also allows for thermal expansion of the liquid asphalt. This space extends downward several inches below the top inside bulkhead. Overflow controls cut off the unloading pump before asphalt fills this space. This space is significant. It is not included in net volumes shown in Figure 2.

The space reserved for overflow control in current tanks equipped with either radar sensors or gauge boards extends 18-5/8 inches below the inside top bulkhead. This space is equal to 1088 gallons of asphalt. In the past different amounts of empty space have been reserved.

The best way to make sure how much reserved space is used for overflow control in your tank is to fill the tank until the overflow control shuts off the unloading pump. Then measure the vertical distance from the bulkhead inside the tank to the surface of the liquid asphalt. Each inch of height

FIGURE 2. VOLUMES* OF HEATEC VERTICAL ASPHALT TANKS (GALLONS)

Heatec Model TAV-10 TAV-15 TAV-20 TAV-25 TAV-30 TAV-35

Nominal volume 10,000 15,000 20,000 25,000 30,000 35,000

Gross Volume 10,737 16,381 20,614 26,259 30,492 34,725

Coil displacement volume 23 23 45 45 45 45

Reserved space volume 1,088 1,088 1,088 1,088 1,088 1,088

Net volume 9,626 13,889 19,482 25,126 29,359 33,592

*The volumes shown here apply only to the current line of Heatec tanks.

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Figure 3. Making measurements from manway.

is equivalent to 58.8 gallons of asphalt. So multiply the measured distance by 58.8 to determine the actual volume of the reserved space. If the volume determined from your measurement is different from that shown in Figure 2, go by yours instead. You should also adjust the net volume shown in Figure 2 based on your findings.

The amount of space reserved for overflow control depends on the devices used for high-level control and how they are setup. Gauge boards have a high level switch near the bot-tom of the gauge board. When activated the switch shuts off the unloading pump to prevent overflowing the tank. It is activated by the bulls eye that travels up and down the gauge board to indicate levels. The exact location of the switch on the gauge board governs shutoff level. Changing its location changes the shutoff level.

Radar sensors also shutoff unloading pumps at a specific lev-el, usually the same level as the shutoff on the gauge board. This level is governed by the settings made on the Honeywell controller used with the sensor to indicate asphalt levels. The settings can be changed to change the shutoff level.

A high-level float switch is built into all vertical tanks to serve as a backup to the gauge board and radar sensor. It shuts off the unloading pumps at a slightly higher level than either the gauge board high level switch or the radar high level control.

CONVERTING LEVELS TO VOLUMES Figure 5 converts levels to volume or gallons of asphalt thereby indicating how much asphalt is stored in the tank.

It is important to understand that the levels shown in Figure 5 refer to the height of the liquid above the inside bottom of the tank. You should also be aware that levels indicated by radar sensors and gauge boards also refer to the height of the liquid above the inside bottom of the tank.

Do not confuse these levels with the distance found by ex-tending a measuring tape through the manway at the top of the tank until it touches the asphalt. That is a measure

of empty space in the top of the tank—not how much asphalt is in the tank.

However, you can use your measuring tape or “stick” mea-surement of empty space to determine the amount of asphalt in your tank (see Figure 3). To do so, note the inside height of your tank as listed in Figure 4. Subtract your measure-ment from that height. This gives you the level of the asphalt above the bottom of the tank. You can now use this level with Figure 5 to determine the gallons of asphalt stored in your tank.

Note: When making your measurement it is difficult to measure directly from the inside top surface of the tank to the asphalt surface. It is much easier to measure from the bottom edge of the manway to the surface of the asphalt. If you do that you will need to make a separate measurement to determine the distance from the edge of the manway to the topmost surface inside the tank. Then you should add the two measurements together.

Figure 5 applies to all sizes of Heatec vertical tanks. For your convenience, the first three columns shows each level three different ways. The first column shows only inches. The second column shows feet and tenths of a foot. The third column shows feet and inches.

Note that the third column shows feet as a whole number and inches as a fraction of twelve. This is the way our computer program handles feet and inches. It makes perfect sense even though it may not be the way you are used to seeing feet and inches written. The fourth column shows gallons for each level.

Levels for the radar sensor are shown in tenths of a foot, so the second column will be more convenient for its levels. But gauge boards show levels in feet and inches, so the third column would be more convenient for them.

The amount of space or volume displaced by the heating coils has not been deducted from the gallons shown in col-umn 4. So, if you need to know exactly how much asphalt is in your tank, be sure to deduct the volume displaced by the coils.

The volumes displaced by the heating coils are shown in Fig-ure 2. When the asphalt level totally covers the coils, deduct the full amount of the amount shown in the Figure. When levels are below the tops of the coils, you may wish to deduct a smaller amount based on your best estimate.

Note, unlike horizontal tanks, volumes in vertical tanks are in direct proportion to the levels. The volume increases or decreases 58.8 gallons for each inch of change in level.

REFILL VOLUME This is the amount of asphalt you can add to a tank that is partially filled. It is the difference between the net volume (Figure 2) and the volume currently in the tank. It is also an indication of how many gallons have been used since the tank was last filled. But this assumes that the net volume is accurate as discussed earlier. Moreover, it assumes that you are not actually using asphalt from the tank while it is being refilled.

The best way to verify how many gallons a supply truck has added to refill your tank is to record radar levels or gauge levels before and after refilling. Then convert the two levels to gallons according to Figure 3. The difference between the two indicates how much the supply truck added. Again, you cannot make an accurate determination if you are using asphalt from the tank at the same time it is being filled.

ACCURACYCertain errors are unavoidable when measuring levels and converting them to gallons of asphalt stored in the tank or the number of gallons used. Such determinations are not reliable substitutes for metering and calibration equipment.

Several factors affect the accuracy of determining exactly how many gallons of asphalt are in your tank. One factor is the amount of error in the level measurement. Another is the manufacturing tolerances related to the diameter of the tank.

Level measurements can be made any of three ways: radar sensor, gauge board, measuring tape. These measurements sometimes have errors up to an inch. One inch of level equals 58.8 gallons. So the number of gallons could be off that much due to measuring errors.

The actual diameter of your tank may vary from its design diameter due to manufacturing tolerances. Vertical tanks are currently designed with an inside diameter of 131.5 inches. This is the diameter used to calculate the gallons shown in Figure 5. Variances in diameter due to normal manufacturing tolerances may cause the actual number of gallons to differ slightly from the number of gallons shown in Figure 5 for a specific level .

In the past not all Heatec vertical tanks were designed with a diameter of 131.5 inches. If your tank was designed with a different inside diameter, you should not attempt to use Figure 5. The gallons shown in Figure 5 will be signifi-cantly different from your actual gallons. In that case, please contact Heatec for a custom-made levels vs. gallons table applicable to your tank.

CHECKING YOUR RADAR AND GAUGE BOARD You should periodically verify the accuracy of the levels indicated by your radar and gauge board. A build-up of either asphalt residues or moisture on the antenna of the radar sen-sor can cause erroneous indications. Likewise, a build-up of asphalt residues on the cable that supports the float of the gauge board can cause it to operate improperly.

The usual way of checking that your radar is accurate is with a measuring tape. As explained earlier, measure the distance from the top of the tank to the surface of the asphalt. Then subtract this distance from the inside height of the tank as in-dicated in Figure 4. This should closely agree with the level indications you see on your radar sensor and the indications on the gauge board.

FIGURE 4. TANK HEIGHTS*—INSIDE BOTTOM TO INSIDE TOP

Heatec Model TAV-10 TAV-15 TAV-20 TAV-25 TAV-30 TAV-35

Inches 182.625” 278.625” 350.625” 446.625” 518.625” 590.625”

Feet and tenths of a foot 15.219’ 23.219’ 29.219’ 37.219’ 43.219’ 49.219’

Feet and inches 15’ 2-5/8” 23’ 2-5/8” 29’ 2-5/8” 37’ 2-5/8” 43’ 2-5/8” 49’ 2-5/8”

*The heights shown here apply only to the current line of Heatec tanks. For your convenience the same heights are shown three ways: inches, feet/tenths of a foot, feet and inches. Use the one that matches your measurements.

Heatec, Inc. 5200 Wilson Road Chattanooga, Tennessee 37410 www.heatec.com (423) 821-5200 (800) 235-5200 Fax (423) 821-7673

© 2004 Heatec, Inc.

FIGURE 5. LEVELS VS. GROSS VOLUMES (PART 1 OF 5 PARTS)

LEVELS VOLUME LEVELS VOLUME LEVELS VOLUME

Inches Feet/ Tenths

Feet/ Inches

Gallons Inches Feet/ Tenths

Feet/ Inches


Feet/ Inches

Gallons

590 49.2 49 2/12 34,688 549 45.8 45 9/12 32,278 508 42.3 42 4/12 29,867

589 49.1 49 1/12 34,629 548 45.7 45 8/12 32,219 507 42.3 42 3/12 29,808

588 49.0 49 34,571 547 45.6 45 7/12 32,160 506 42.2 42 2/12 29,750

587 48.9 48 11/12 34,512 546 45.5 45 6/12 32,101 505 42.1 42 1/12 29,691

586 48.8 48 10/12 34,453 545 45.4 45 5/12 32,042 504 42.0 42 29,632

585 48.8 48 9/12 34,394 544 45.3 45 4/12 31,984 503 41.9 41 11/12 29,573

584 48.7 48 8/12 34,335 543 45.3 45 3/12 31,925 502 41.8 41 10/12 29,514

583 48.6 48 7/12 34,277 542 45.2 45 2/12 31,866 501 41.8 41 9/12 29,456

582 48.5 48 6/12 34,218 541 45.1 45 1/12 31,807 500 41.7 41 8/12 29,397

581 48.4 48 5/12 34,159 540 45.0 45 31,748 499 41.6 41 7/12 29,338

580 48.3 48 4/12 34,100 539 44.9 44 11/12 31,690 498 41.5 41 6/12 29,279

579 48.3 48 3/12 34,041 538 44.8 44 10/12 31,631 497 41.4 41 5/12 29,220

578 48.2 48 2/12 33,983 537 44.8 44 9/12 31,572 496 41.3 41 4/12 29,162

577 48.1 48 1/12 33,924 536 44.7 44 8/12 31,513 495 41.3 41 3/12 29,103

576 48.0 48 33,865 535 44.6 44 7/12 31,455 494 41.2 41 2/12 29,044

575 47.9 47 11/12 33,806 534 44.5 44 6/12 31,396 493 41.1 41 1/12 28,985

574 47.8 47 10/12 33,747 533 44.4 44 5/12 31,337 492 41.0 41 28,926

573 47.8 47 9/12 33,689 532 44.3 44 4/12 31,278 491 40.9 40 11/12 28,868

572 47.7 47 8/12 33,630 531 44.3 44 3/12 31,219 490 40.8 40 10/12 28,809

571 47.6 47 7/12 33,571 530 44.2 44 2/12 31,161 489 40.8 40 9/12 28,750

570 47.5 47 6/12 33,512 529 44.1 44 1/12 31,102 488 40.7 40 8/12 28,691

569 47.4 47 5/12 33,454 528 44.0 44 31,043 487 40.6 40 7/12 28,632

568 47.3 47 4/12 33,395 527 43.9 43 11/12 30,984 486 40.5 40 6/12 28,574

567 47.3 47 3/12 33,336 526 43.8 43 10/12 30,925 485 40.4 40 5/12 28,515

566 47.2 47 2/12 33,277 525 43.8 43 9/12 30,867 484 40.3 40 4/12 28,456

565 47.1 47 1/12 33,218 524 43.7 43 8/12 30,808 483 40.3 40 3/12 28,397

564 47.0 47 33,160 523 43.6 43 7/12 30,749 482 40.2 40 2/12 28,338

563 46.9 46 11/12 33,101 522 43.5 43 6/12 30,690 481 40.1 40 1/12 28,280

562 46.8 46 10/12 33,042 521 43.4 43 5/12 30,631 480 40.0 40 28,221

561 46.8 46 9/12 32,983 520 43.3 43 4/12 30,573 479 39.9 39 11/12 28,162

560 46.7 46 8/12 32,924 519 43.3 43 3/12 30,514 478 39.8 39 10/12 28,103

559 46.6 46 7/12 32,866 518 43.2 43 2/12 30,455 477 39.8 39 9/12 28,045

558 46.5 46 6/12 32,807 517 43.1 43 1/12 30,396 476 39.7 39 8/12 27,986

557 46.4 46 5/12 32,748 516 43.0 43 30,337 475 39.6 39 7/12 27,927

556 46.3 46 4/12 32,689 515 42.9 42 11/12 30,279 474 39.5 39 6/12 27,868

555 46.3 46 3/12 32,630 514 42.8 42 10/12 30,220 473 39.4 39 5/12 27,809

554 46.2 46 2/12 32,572 513 42.8 42 9/12 30,161 472 39.3 39 4/12 27,751

553 46.1 46 1/12 32,513 512 42.7 42 8/12 30,102 471 39.3 39 3/12 27,692

552 46.0 46 32,454 511 42.6 42 7/12 30,043 470 39.2 39 2/12 27,633

551 45.9 45 11/12 32,395 510 42.5 42 6/12 29,985 469 39.1 39 1/12 27,574

550 45.8 45 10/12 32,336 509 42.4 42 5/12 29,926 468 39.0 39 27,515



Inches Feet/ Tenths

Feet/ Inches


Feet/ Inches


Feet/ Inches

Gallons

467 38.9 38 11/12 27,457 426 35.5 35 6/12 25,046 385 32.1 32 1/12 22,636

466 38.8 38 10/12 27,398 425 35.4 35 5/12 24,987 384 32.0 32 22,577

465 38.8 38 9/12 27,339 424 35.3 35 4/12 24,928 383 31.9 31 11/12 22,518

464 38.7 38 8/12 27,280 423 35.3 35 3/12 24,870 382 31.8 31 10/12 22,459

463 38.6 38 7/12 27,221 422 35.2 35 2/12 24,811 381 31.8 31 9/12 22,400

462 38.5 38 6/12 27,163 421 35.1 35 1/12 24,752 380 31.7 31 8/12 22,342

461 38.4 38 5/12 27,104 420 35.0 35 24,693 379 31.6 31 7/12 22,283

460 38.3 38 4/12 27,045 419 34.9 34 11/12 24,634 378 31.5 31 6/12 22,224

459 38.3 38 3/12 26,986 418 34.8 34 10/12 24,576 377 31.4 31 5/12 22,165

458 38.2 38 2/12 26,927 417 34.8 34 9/12 24,517 376 31.3 31 4/12 22,106

457 38.1 38 1/12 26,869 416 34.7 34 8/12 24,458 375 31.3 31 3/12 22,048

456 38.0 38 26,810 415 34.6 34 7/12 24,399 374 31.2 31 2/12 21,989

455 37.9 37 11/12 26,751 414 34.5 34 6/12 24,341 373 31.1 31 1/12 21,930

454 37.8 37 10/12 26,692 413 34.4 34 5/12 24,282 372 31.0 31 21,871

453 37.8 37 9/12 26,633 412 34.3 34 4/12 24,223 371 30.9 30 11/12 21,812

452 37.7 37 8/12 26,575 411 34.3 34 3/12 24,164 370 30.8 30 10/12 21,754

451 37.6 37 7/12 26,516 410 34.2 34 2/12 24,105 369 30.8 30 9/12 21,695

450 37.5 37 6/12 26,457 409 34.1 34 1/12 24,047 368 30.7 30 8/12 21,636

449 37.4 37 5/12 26,398 408 34.0 34 23,988 367 30.6 30 7/12 21,577

448 37.3 37 4/12 26,339 407 33.9 33 11/12 23,929 366 30.5 30 6/12 21,518

447 37.3 37 3/12 26,281 406 33.8 33 10/12 23,870 365 30.4 30 5/12 21,460

446 37.2 37 2/12 26,222 405 33.8 33 9/12 23,811 364 30.3 30 4/12 21,401

445 37.1 37 1/12 26,163 404 33.7 33 8/12 23,753 363 30.3 30 3/12 21,342

444 37.0 37 26,104 403 33.6 33 7/12 23,694 362 30.2 30 2/12 21,283

443 36.9 36 11/12 26,046 402 33.5 33 6/12 23,635 361 30.1 30 1/12 21,224

442 36.8 36 10/12 25,987 401 33.4 33 5/12 23,576 360 30.0 30 21,166

441 36.8 36 9/12 25,928 400 33.3 33 4/12 23,517 359 29.9 29 11/12 21,107

440 36.7 36 8/12 25,869 399 33.3 33 3/12 23,459 358 29.8 29 10/12 21,048

439 36.6 36 7/12 25,810 398 33.2 33 2/12 23,400 357 29.8 29 9/12 20,989

438 36.5 36 6/12 25,752 397 33.1 33 1/12 23,341 356 29.7 29 8/12 20,930

437 36.4 36 5/12 25,693 396 33.0 33 23,282 355 29.6 29 7/12 20,872

436 36.3 36 4/12 25,634 395 32.9 32 11/12 23,223 354 29.5 29 6/12 20,813

435 36.3 36 3/12 25,575 394 32.8 32 10/12 23,165 353 29.4 29 5/12 20,754

434 36.2 36 2/12 25,516 393 32.8 32 9/12 23,106 352 29.3 29 4/12 20,695

433 36.1 36 1/12 25,458 392 32.7 32 8/12 23,047 351 29.3 29 3/12 20,637

432 36.0 36 25,399 391 32.6 32 7/12 22,988 350 29.2 29 2/12 20,578

431 35.9 35 11/12 25,340 390 32.5 32 6/12 22,929 349 29.1 29 1/12 20,519

430 35.8 35 10/12 25,281 389 32.4 32 5/12 22,871 348 29.0 29 20,460

429 35.8 35 9/12 25,222 388 32.3 32 4/12 22,812 347 28.9 28 11/12 20,401

428 35.7 35 8/12 25,164 387 32.3 32 3/12 22,753 346 28.8 28 10/12 20,343

427 35.6 35 7/12 25,105 386 32.2 32 2/12 22,694 345 28.8 28 9/12 20,284



Inches Feet/ Tenths

Feet/ Inches


Feet/ Inches


Feet/ Inches

Gallons

344 28.7 28 8/12 20,225 303 25.3 25 3/12 17,814 262 21.8 21 10/12 15,404

343 28.6 28 7/12 20,166 302 25.2 25 2/12 17,756 261 21.8 21 9/12 15,345

342 28.5 28 6/12 20,107 301 25.1 25 1/12 17,697 260 21.7 21 8/12 15,286

341 28.4 28 5/12 20,049 300 25.0 25 17,638 259 21.6 21 7/12 15,228

340 28.3 28 4/12 19,990 299 24.9 24 11/12 17,579 258 21.5 21 6/12 15,169

339 28.3 28 3/12 19,931 298 24.8 24 10/12 17,520 257 21.4 21 5/12 15,110

338 28.2 28 2/12 19,872 297 24.8 24 9/12 17,462 256 21.3 21 4/12 15,051

337 28.1 28 1/12 19,813 296 24.7 24 8/12 17,403 255 21.3 21 3/12 14,992

336 28.0 28 19,755 295 24.6 24 7/12 17,344 254 21.2 21 2/12 14,934

335 27.9 27 11/12 19,696 294 24.5 24 6/12 17,285 253 21.1 21 1/12 14,875

334 27.8 27 10/12 19,637 293 24.4 24 5/12 17,226 252 21.0 21 14,816

333 27.8 27 9/12 19,578 292 24.3 24 4/12 17,168 251 20.9 20 11/12 14,757

332 27.7 27 8/12 19,519 291 24.3 24 3/12 17,109 250 20.8 20 10/12 14,698

331 27.6 27 7/12 19,461 290 24.2 24 2/12 17,050 249 20.8 20 9/12 14,640

330 27.5 27 6/12 19,402 289 24.1 24 1/12 16,991 248 20.7 20 8/12 14,581

329 27.4 27 5/12 19,343 288 24.0 24 16,933 247 20.6 20 7/12 14,522

328 27.3 27 4/12 19,284 287 23.9 23 11/12 16,874 246 20.5 20 6/12 14,463

327 27.3 27 3/12 19,225 286 23.8 23 10/12 16,815 245 20.4 20 5/12 14,404

326 27.2 27 2/12 19,167 285 23.8 23 9/12 16,756 244 20.3 20 4/12 14,346

325 27.1 27 1/12 19,108 284 23.7 23 8/12 16,697 243 20.3 20 3/12 14,287

324 27.0 27 19,049 283 23.6 23 7/12 16,639 242 20.2 20 2/12 14,228

323 26.9 26 11/12 18,990 282 23.5 23 6/12 16,580 241 20.1 20 1/12 14,169

322 26.8 26 10/12 18,932 281 23.4 23 5/12 16,521 240 20.0 20 14,110

321 26.8 26 9/12 18,873 280 23.3 23 4/12 16,462 239 19.9 19 11/12 14,052

320 26.7 26 8/12 18,814 279 23.3 23 3/12 16,403 238 19.8 19 10/12 13,993

319 26.6 26 7/12 18,755 278 23.2 23 2/12 16,345 237 19.8 19 9/12 13,934

318 26.5 26 6/12 18,696 277 23.1 23 1/12 16,286 236 19.7 19 8/12 13,875

317 26.4 26 5/12 18,638 276 23.0 23 16,227 235 19.6 19 7/12 13,816

316 26.3 26 4/12 18,579 275 22.9 22 11/12 16,168 234 19.5 19 6/12 13,758

315 26.3 26 3/12 18,520 274 22.8 22 10/12 16,109 233 19.4 19 5/12 13,699

314 26.2 26 2/12 18,461 273 22.8 22 9/12 16,051 232 19.3 19 4/12 13,640

313 26.1 26 1/12 18,402 272 22.7 22 8/12 15,992 231 19.3 19 3/12 13,581

312 26.0 26 18,344 271 22.6 22 7/12 15,933 230 19.2 19 2/12 13,523

311 25.9 25 11/12 18,285 270 22.5 22 6/12 15,874 229 19.1 19 1/12 13,464

310 25.8 25 10/12 18,226 269 22.4 22 5/12 15,815 228 19.0 19 13,405

309 25.8 25 9/12 18,167 268 22.3 22 4/12 15,757 227 18.9 18 11/12 13,346

308 25.7 25 8/12 18,108 267 22.3 22 3/12 15,698 226 18.8 18 10/12 13,287

307 25.6 25 7/12 18,050 266 22.2 22 2/12 15,639 225 18.8 18 9/12 13,229

306 25.5 25 6/12 17,991 265 22.1 22 1/12 15,580 224 18.7 18 8/12 13,170

305 25.4 25 5/12 17,932 264 22.0 22 15,521 223 18.6 18 7/12 13,111

304 25.3 25 4/12 17,873 263 21.9 21 11/12 15,463 222 18.5 18 6/12 13,052



Inches Feet/ Tenths

Feet/ Inches


Feet/ Inches


Feet/ Inches

Gallons

221 18.4 18 5/12 12,993 180 15.0 15 10,583 139 11.6 11 7/12 8,172

220 18.3 18 4/12 12,935 179 14.9 14 11/12 10,524 138 11.5 11 6/12 8,114

219 18.3 18 3/12 12,876 178 14.8 14 10/12 10,465 137 11.4 11 5/12 8,055

218 18.2 18 2/12 12,817 177 14.8 14 9/12 10,406 136 11.3 11 4/12 7,996

217 18.1 18 1/12 12,758 176 14.7 14 8/12 10,348 135 11.3 11 3/12 7,937

216 18.0 18 12,699 175 14.6 14 7/12 10,289 134 11.2 11 2/12 7,878

215 17.9 17 11/12 12,641 174 14.5 14 6/12 10,230 133 11.1 11 1/12 7,820

214 17.8 17 10/12 12,582 173 14.4 14 5/12 10,171 132 11.0 11 7,761

213 17.8 17 9/12 12,523 172 14.3 14 4/12 10,112 131 10.9 10 11/12 7,702

212 17.7 17 8/12 12,464 171 14.3 14 3/12 10,054 130 10.8 10 10/12 7,643

211 17.6 17 7/12 12,405 170 14.2 14 2/12 9,995 129 10.8 10 9/12 7,584

210 17.5 17 6/12 12,347 169 14.1 14 1/12 9,936 128 10.7 10 8/12 7,526

209 17.4 17 5/12 12,288 168 14.0 14 9,877 127 10.6 10 7/12 7,467

208 17.3 17 4/12 12,229 167 13.9 13 11/12 9,819 126 10.5 10 6/12 7,408

207 17.3 17 3/12 12,170 166 13.8 13 10/12 9,760 125 10.4 10 5/12 7,349

206 17.2 17 2/12 12,111 165 13.8 13 9/12 9,701 124 10.3 10 4/12 7,290

205 17.1 17 1/12 12,053 164 13.7 13 8/12 9,642 123 10.3 10 3/12 7,232

204 17.0 17 11,994 163 13.6 13 7/12 9,583 122 10.2 10 2/12 7,173

203 16.9 16 11/12 11,935 162 13.5 13 6/12 9,525 121 10.1 10 1/12 7,114

202 16.8 16 10/12 11,876 161 13.4 13 5/12 9,466 120 10.0 10 7,055

201 16.8 16 9/12 11,817 160 13.3 13 4/12 9,407 119 9.9 9 11/12 6,996

200 16.7 16 8/12 11,759 159 13.3 13 3/12 9,348 118 9.8 9 10/12 6,938

199 16.6 16 7/12 11,700 158 13.2 13 2/12 9,289 117 9.8 9 9/12 6,879

198 16.5 16 6/12 11,641 157 13.1 13 1/12 9,231 116 9.7 9 8/12 6,820

197 16.4 16 5/12 11,582 156 13.0 13 9,172 115 9.6 9 7/12 6,761

196 16.3 16 4/12 11,524 155 12.9 12 11/12 9,113 114 9.5 9 6/12 6,702

195 16.3 16 3/12 11,465 154 12.8 12 10/12 9,054 113 9.4 9 5/12 6,644

194 16.2 16 2/12 11,406 153 12.8 12 9/12 8,995 112 9.3 9 4/12 6,585

193 16.1 16 1/12 11,347 152 12.7 12 8/12 8,937 111 9.3 9 3/12 6,526

192 16.0 16 11,288 151 12.6 12 7/12 8,878 110 9.2 9 2/12 6,467

191 15.9 15 11/12 11,230 150 12.5 12 6/12 8,819 109 9.1 9 1/12 6,408

190 15.8 15 10/12 11,171 149 12.4 12 5/12 8,760 108 9.0 9 6,350

189 15.8 15 9/12 11,112 148 12.3 12 4/12 8,701 107 8.9 8 11/12 6,291

188 15.7 15 8/12 11,053 147 12.3 12 3/12 8,643 106 8.8 8 10/12 6,232

187 15.6 15 7/12 10,994 146 12.2 12 2/12 8,584 105 8.8 8 9/12 6,173

186 15.5 15 6/12 10,936 145 12.1 12 1/12 8,525 104 8.7 8 8/12 6,115

185 15.4 15 5/12 10,877 144 12.0 12 8,466 103 8.6 8 7/12 6,056

184 15.3 15 4/12 10,818 143 11.9 11 11/12 8,407 102 8.5 8 6/12 5,997

183 15.3 15 3/12 10,759 142 11.8 11 10/12 8,349 101 8.4 8 5/12 5,938

182 15.2 15 2/12 10,700 141 11.8 11 9/12 8,290 100 8.3 8 4/12 5,879

181 15.1 15 1/12 10,642 140 11.7 11 8/12 8,231 99 8.3 8 3/12 5,821



Inches Feet/ Tenths

Feet/ Inches


Feet/ Inches


Feet/ Inches

Gallons

98 8.2 8 2/12 5,762 57 4.8 4 9/12 3,351 16 1.3 1 4/12 941

97 8.1 8 1/12 5,703 56 4.7 4 8/12 3,292 15 1.3 1 3/12 882

96 8.0 8 5,644 55 4.6 4 7/12 3,234 14 1.2 1 2/12 823

95 7.9 7 11/12 5,585 54 4.5 4 6/12 3,175 13 1.1 1 1/12 764

94 7.8 7 10/12 5,527 53 4.4 4 5/12 3,116 12 1.0 1 706

93 7.8 7 9/12 5,468 52 4.3 4 4/12 3,057 11 0.9 11/12 647

92 7.7 7 8/12 5,409 51 4.3 4 3/12 2,998 10 0.8 10/12 588

91 7.6 7 7/12 5,350 50 4.2 4 2/12 2,940 9 0.8 9/12 529

90 7.5 7 6/12 5,291 49 4.1 4 1/12 2,881 8 0.7 8/12 470

89 7.4 7 5/12 5,233 48 4.0 4 2,822 7 0.6 7/12 412

88 7.3 7 4/12 5,174 47 3.9 3 11/12 2,763 6 0.5 6/12 353

87 7.3 7 3/12 5,115 46 3.8 3 10/12 2,705 5 0.4 5/12 294

86 7.2 7 2/12 5,056 45 3.8 3 9/12 2,646 4 0.3 4/12 235

85 7.1 7 1/12 4,997 44 3.7 3 8/12 2,587 3 0.3 3/12 176

84 7.0 7 4,939 43 3.6 3 7/12 2,528 2 0.2 2/12 118

83 6.9 6 11/12 4,880 42 3.5 3 6/12 2,469 1 0.1 1/12 59

82 6.8 6 10/12 4,821 41 3.4 3 5/12 2,411

81 6.8 6 9/12 4,762 40 3.3 3 4/12 2,352

80 6.7 6 8/12 4,703 39 3.3 3 3/12 2,293

79 6.6 6 7/12 4,645 38 3.2 3 2/12 2,234

78 6.5 6 6/12 4,586 37 3.1 3 1/12 2,175

77 6.4 6 5/12 4,527 36 3.0 3 2,117

76 6.3 6 4/12 4,468 35 2.9 2 11/12 2,058

75 6.3 6 3/12 4,410 34 2.8 2 10/12 1,999

74 6.2 6 2/12 4,351 33 2.8 2 9/12 1,940

73 6.1 6 1/12 4,292 32 2.7 2 8/12 1,881

72 6.0 6 4,233 31 2.6 2 7/12 1,823

71 5.9 5 11/12 4,174 30 2.5 2 6/12 1,764

70 5.8 5 10/12 4,116 29 2.4 2 5/12 1,705

69 5.8 5 9/12 4,057 28 2.3 2 4/12 1,646

68 5.7 5 8/12 3,998 27 2.3 2 3/12 1,587

67 5.6 5 7/12 3,939 26 2.2 2 2/12 1,529

66 5.5 5 6/12 3,880 25 2.1 2 1/12 1,470

65 5.4 5 5/12 3,822 24 2.0 2 1,411

64 5.3 5 4/12 3,763 23 1.9 1 11/12 1,352

63 5.3 5 3/12 3,704 22 1.8 1 10/12 1,293

62 5.2 5 2/12 3,645 21 1.8 1 9/12 1,235

61 5.1 5 1/12 3,586 20 1.7 1 8/12 1,176

60 5.0 5 3,528 19 1.6 1 7/12 1,117

59 4.9 4 11/12 3,469 18 1.5 1 6/12 1,058

58 4.8 4 10/12 3,410 17 1.4 1 5/12 999

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