The work includes rehabilitation, repair, partial replacement, and painting of specified tainter gates and incidental related work. The work required is summarized as follows:
a. Brush-off blast entire gates, inspection of damaged gate members, and provide gate inspection report;
b. Removal and replacement of diagonal members;
c. Removal and replacement of ribs;
d. Partial removal and replacement of skin plate;
e. Surface repair of primary members (girders);
f. Removal and replacement of miscellaneous stiffener plates;
g. Addition/modification of drain holes;
h. Blasting and painting of entire gates;
i. Removal and reattachment of existing wire rope assemblies and associated fittings and proper re-tensioning of wire ropes within specified tolerances;
j. Rehabilitation of hitch blocks with removal and replacement of hardware;
k. Removal and replacement of side seals assemblies and adjustment within specified tolerances;
l. Removal and replacement of trunnion hydraulic lubrication tubing and fittings; and
m. Providence of spare components as specified.