MAINTENANCE
.081/02-15 1-14
ITEM DESCRIPTION INTERVAL
BRIDGE
COMPONENTS
Check for and tighten any loose fasteners per the
Fastener Installation Instructions. Special attention
should be given to locating loose handrail and/or
grating/floor plate connections.
M
NOTE: Inspect and verify bridge base plate
expansion connection is free to allow movement for
the thermal expansion/contraction of the bridge
structure.
SCUM TROUGH,
SCUM BAFFLES,
WEIRS
Before tank drain-down, inspect weirs for consistent
water depth. Inspect one full rotation of skimmer
assembly, checking if any binding occurs. At tank
drain-down, hose off all components. Make any
necessary adjustments. Replace and tighten any
missing or loose bolts. Any mastic sealer or grouting
that has cracked or come loose should be replaced.
SA
SCRAPER ARMS When tank is drained for semi-annual inspection,
remove all slime or sludge with a high pressure hose.
SA
Examine all bolted connections for loose or missing
bolts or shims. Tighten and replace as necessary
Inspect plow blades and squeegees. Replace any that
are missing, badly bent or worn.
D - Daily W - Weekly M - Monthly SA - Semi-Annually
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