Section V. ASSEMBLY AND INSTALLATION OF TANK ACCESSORIES

TM 5-5430-209-12

NOTE

vacuum valve (2, fig. 4-8) must be installed directly

If tank is used for water storage, omit

across from first plate with the valve: Refer to paragraph

the emergency vent valve (2, fig. 3-24).

3-16 d and install the first deck plate.

e. Installing Second Deck Plate. Refer to

Install manhole cover (1) with blind

flange set after installing manhole air

paragraph 3-16e and install the second deck plate.

f. Installing Intermediate Deck Plate. There are

intake.

twelve intermediate plates. The special plates

(1) Install 30-bolthole gasket on top flange of dome

remaining are installed to suit field conditions. Refer to

(3, fig. 4-10).

paragraphs 3-16d and e and raise and install these

(2) Insert 1/2 -by 1-inch bolts through the flange and

plates.

g. Installing Last Deck Plate. Refer to paragraph 4-

gasket, in that order. Gasket will hold bolts in place.

(3) Install 30-bolthole manhole cover (1, fig. 3-24)

17g and install the last deck plate.

h. Installing Manhole Cover.

over the bolts. Install a steel washer and nut on all

bolts. Make sure rounded head of nut is against the

washer. Tighten the bolts.

Section V. ASSEMBLY AND INSTALLATION OF TANK ACCESSORIES

5-18. Emergency Vent

a. General. Refer to paragraph 3-17 for a general

at opening in cover. Insert 1/2-by 1 /2-inch bolts through

the 2-bolt hole channels. Work through the 10-inch hole

description of the vent.

b. Installation.

and insert bolts through cover and gasket.

(6) Install 10-inch blind hatch flange over the

(1) Place manhole cover gasket over bolt holes

bolts.

at opening in cover (1, fig. 3-24). Insert 1/2-by 1/2-inch

(7) Install nuts on the bolts and tighten.

bolts through 2-bolt hole channels. Work through the

5-20. Access Ladder

10-inch hole, and insert bolts through cover and gasket.

a. General. Refer to paragraph 3-19 for a general

(2) Install the vent (2) over the bolts.

description of the access ladder.

(3) Install nuts on bolts and tighten the bolts.

b. Assembly. Refer to paragraph 3-19 and

5-19. Manhole Air Intake

a. General. Refer to paragraph 3-18 for a general

assemble the ladder.

c. Installation. Refer to paragraph 3-19 and install

description of the intake.

b. Installation.

the ladder.

5-21. Water Drawoff Valve

(1) Wrap insect screen around outside of the

a. General. Refer to paragraph 3-21 for a general

inside screen ring. Join ends of the screen with copper

description of the water drawoff valve.

wire weave.

b. Installation.

(2) Install an outside screen ring at top and

bottom of insect screen to hold it in place. Make sure

(1) Flanged elbow. Refer to paragraph 3-21 and

the screen is not knocked out of position. Tighten the

install the flanged elbow.

bolts.

(2) Drawoff valve. Refer to paragraph 3-21 and

(3) Install screen ring on top flange of the dome

install the drawoff valve.

5-22. Tank Outlet (4-, 6-, and 8-inches)

(3, fig. 4-10).

a. General. Refer to paragraph 3-22 for a general

(4) Insert flange bolts through cover (1, fig. 3-

24), dust restrictor, pipe sleeve spacers, and top flange

description of the outlet.

b. Installation. Refer to paragraph 3-22 and install

of dome (3, fig. 4-10), in that order. Install nuts on the

bolts and tighten.

the 4-, 6-, and 8-inch elbows and adapters.

(5) Place manhole cover gasket over bolt holes

Section VI. TANK TESTING AND FINAL ASSEMBLY

5-23. General

description of the cleanout cover.

b. Installation. Installation procedures are similar to

Tank interior must be cleaned, inspected, and tested for

those for the 100-barrel capacity tank. Refer to

leakage prior to installation of the cleanout cover. After

paragraphs 3-25 and 3-27 and install the cleanout cover.

installation of cover, the tank site must be cleaned.

5-27. Cleaning Tank Site

5-24. Tank Cleaning and Inspection

The tank erection crew is responsible for initial policing

Refer to paragraph 3-24 and clean and inspect the tank.

5-25. Water Test

of the tank site. Cleaning procedures are described in

paragraph 3-28.

Refer to paragraph 3-26 and water test the tank.

5-26. Cleanout Cover

a. General. Refer to paragraph 3-27 for a general

5-3