Before the actual ballot, Amanda Kettlestring and Mark Hanson from the Waler
Horse Society of Australia, outlined the conditions of adoption; in addition they stressed the need to keep these desert horses yarded and on dried grass feed.
The excavation then was backfilled to the level of the horizontal walers
The intake slab formwork elements also consisted of PERI system components featuring GT 24 lattice girders, SRU steel walers
and RCS rails.
The work pit was approximately 40-feet long and 15 feet wide interlocked with sheet pile with steel beam walers
Although both troopers and walers
were tired, the Light Horsemen were jubilant at the success of the raid.
What makes the Mega Brace system unique compared to I-beam walers
is that a six-inch telescoping hydraulic ram is pinned to the ends of the I-beam extensions or struts.
They do not require interior walers
or beams which provides more working space in the excavation.
There is no need for interior walers
or beams, which allows for more working room and ease while digging.
The three traditional shoring methods for four-sided pits: tight-sheeting, welded walers
or four-sided trench shields, were dismissed at bidding because the excavation needed to stay in the utility easement, and there were many mature trees and houses around the site.
In addition to using 8-feet by 20-feet (4-inches thick) and 8-feet by 16-feet (4-inches thick) panels, 55-foot external Walers
, braced to spreader and corner posts, were used to provide clear span accessibility.
The compare/will also refurbish slide rail system components, such as steel posts and panels; aluminum trench shields such as XLAP, aluminum modular Build-A-Box components such as panels and corner posts, and Corru-Lite (corrugated aluminum panel) shields; hydraulic vertical shores, hydraulic walers
, and hydraulic aluminum trench shields; and Stone Mizer bedding material container.
The parallel beams have rollers, and when horizontal walers
and sacrificial members are utilized, the entire cross-member apparatus can be easily removed resulting in an unobstructed clearance to the shored excavation