A mixture of one 94 lb. bag of cement and 1 cy of sand, typically used as a self compacting backfill.
open caisson
French: caisson ouvert
German: offener Senkkasten
Spanish: cajon abierto
Italian: cassone aperto
Portuguese: caixão aberto
Dutch: open caisson
open cut
French: tranchée ouverte
German: nichtausgesteifte Baugrube
Spanish: excavación abierta
Italian: scavo aperto, trincea
Portuguese: trincheira aberta
Dutch: open snede
Orange Peel Bucket
A drop-bottom bucket used for excavation. The drop-bottom is divided into a number of sections that appear to peel back as the bucket opens.
French: benne polype
Order Lengths
Lengths of pile expected for the project, ordered by either the owner, A/E or contractor from the supplier
organic matter
French: matèria organica
German: organische Stoffe
Spanish: materia orgánica
Italian: materiale organico
Portuguese: materia organica
Dutch: organisch materiaal
Oriented Core
Rock core sample obtained from a boring on which scribes are made while in its in-situ location in order to determine the in-situ orientation of the rock core. Used to determine the orientation of dips and joints in the rock
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