Oxford Method Research Programme

A History of 2M & 3M

The general intention of the System was to provide a building that allowed the greatest flexibility internally. With the shell complete the internal layout could be constructed in such a way that if at a later date a redesign was considered, the system allowed this to happen.
As has already been shown, the floor slabs with these knock out holes and the sub basement allowed drainage and sanitary ware to be repositioned without expensive excavation and breaking up floors on the ground floor. If the building is of two floors the same slabs were used and the drainage placed in the floor to ceiling zone.
Ceilings
It was the practice to erect the ceiling first over the complete building, once the shell was complete and before the erection of partitions. In consisted of 9.5mm thick Asbestolux tiles 600 x 600 mm and Tartan strip 200mm for 2M buildings and 300mm wide for 3M buildings.
The tiles and tartan strip are screwed to J bars running in one direction and the tile joints at right angles to the J bars are covered with 38mm wide Asbestolux dust fillets.
The ceiling system sub divides into two basic types:
  1. system with J bars at 90 degrees to span of main beam.
  2. system with J bars parallel to main structural beam.
Special Conditions
In some circumstances it became necessary to provide load bearing walls within the scheme; lift wells, plant rooms, switch rooms and boiler rooms. To meet the load bearing requirements traditional construction was introduced and detailed within the Method Construction.
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