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Inspection pit progress

First floor slab poured on upper level of inspection pits
First floor slab poured on upper level of inspection pits

On Saturday 14 July 2012 we placed a further 3.5m^3 of concrete into the inspection pits within the rail vehicle shed at Maymorn.

During June and the first part of July reinforcing has been placed into the second length of inspection pit wall, taking the length to 19 metres - just another 5 metres of wall to go. All rail-carrying columns have been located in place, holes drilled into the supporting concrete beam and studs epoxied into place.

Hard fill has also been compacted into place behind the first length of inspection pit wall. Compaction was a challenging task at times, with reinforcing protruding into the area from both the shed and pit walls as well as the portal pods. Quite a depth has had to be filled, thankfully a good amount had been stock-piled from the original excavation. After an exhausting day's work we had the first upper floor slab foundation completed.

A week later on Saturday 7 July we put the final reinforcing steel into position and completed the formwork ready for building inspection.

By the end of August we plan to have completed the inspection pit walls and made substantial progress with the upper floor area. The upper floor will permit same-level access through the rail vehicle shed, which should prove handy when moving heavy equipment from job to job.

The Trust is indebted to the Rimutaka Trust for funding construction materials used for the inspection pits, as well as earlier grants towards the main shed build.

View along pit wall and floor slab foundations

View along pit wall and floor slab foundations

Peter, Steve and John placing back-fill behind pit wall on Saturday 30 June 2012. Formwork was already in place for a second pit wall pour.

Peter, Steve and John placing back-fill behind pit wall on Saturday 30 June 2012. Formwork was already in place for a second pit wall pour.