15
STEP 6(b): TANK AND WALKWAY ALIGNMENT AND ATTACHMENT
Parts Required (Per Tank)
Quantity
Hardware Required
Quantity
Aluminum Spacer Tube (3 X 3)
4
Lock Washer
(3/8”
SS)
40
Span Beam
8
Brass Nut (3/8
-
16)
80
Walkway Support
10
Flat Washer
(3/8”)
80
1.
Place the Spacer Tubes between the outside set of U
-
Bolts on tank Set 1 and Set 5. See Figure B below.
2.
Place Span Beams between the U
-
Bolt sets on the connecting tanks. See Figure C below.
3.
Starting with tank Set 3, loosely attach the walkway support on top of the span beam, as illustrated below.
Ensure the U
-
Bolts are centered in the middle of the walkway slots on the walkway support.
As walkway
supports are added to the other tank sets, the U
-
Bolts will shift outward in the walkway slots.
Add walk-
way supports to tank Set 2 and tank Set 4 and then add walkway supports to tank Set 1 and tank Set 5. Thus
working from the middle out. See Figure A.
4.
Confirm the Span Beams are centered between the two tanks and the Spacers are in the proper position.
Wait to tighten all hardware on the walkway until you have completed Step 6(c).
If you use a Single
-
Sided Tie
-
Off method for mooring, the Spacer Tubes must be removed in a later step. Do
not tighten the U
-
Bolts fastening the walkway over the spacers. Refer to STEP 16: TIE
-
OFF MOORING.
Spacer
Spacer
Install Span Beams to connect the tanks
Set 1
Set 2
Set 3
Set 4
Set 5
Span Beam installed between U
-
Bolts on connecting tanks
Walkway Support
Walkway Slots
Figure C: Span Beam
Spacer Tube installed between the outside
set of U
-
Bolts on front and rear tank sets
Figure B: Spacer Tube
Brass Nut
3/8”
Lock Washer
3/8”
Flat Washer
3/8”
Figure A: Tank Walkway connecting