Tfl said engineers had now repaired all track and other equipment and operated trams over the repaired section.
After a tour of the repaired section aboard a vintage train, from Howard Beach to Rockaway Park, Mr. Prendergast christened the subway's return at a news conference.
No pop-out or disaggregation of aggregate were found in cement concrete at a repaired section, at the same location, with aggregate of low absorbing water ratio in this cold region and in place for 2 years.
While under most actual constructions, these two factors are always regarded as the focus of the project, which leads to the re-damage of the repaired section once again.
Dozens were stranded on their roof due to high water, and work to repair an important highway was halted when flood waters washed away the repaired section.
Further investigation of the water supply revealed a recently repaired section of piping supplying water to the UV sterilizer, where a 20 cm (8 inch) piece of iron pipe was spliced into the existing copper line.
Make sure repaired section is level with surrounding berber.
As a result, the vinyl floor patch will blend in easily, making it difficult to tell the repaired section from any other area of the floor covering.
The tube should shrink down to a quarter of its original size, fitting snugly to protect and strengthen your newly repaired section of cable.
Those engineers also pointed out that as repaired sections of line were charged with electricity, damaging them can be much more hazardous to saboteurs.
Before the terminal reopens, asbestos must be removed, deteriorating concrete and tiles must be repaired, sections of the roof must be replaced and new doors must be installed, among other measures, Mr. DeCota said.
