NRS-15441 | The calculations, design, specifications and final estimate for the Sydney Harbour Bridge

This volume is comprised of the calculations and design of the cantilever bridge as investigated between 1911-1923, the quantities included in specification for tenders, and the final estimate for the cantilever bridge. The final estimated is the printed "Contract for the construction of a cantilever bridge across Sydney Harbour from Dawes Point to Milson's Point - Tender Form" which is signed by J.J.C. Bradfield, Chief Engineer, Sydney Harbour Bridge.Custody HistoryThis record series which was handed to the Archives Authority of NSW on 11 June 1968 by the Bradfield family was apparently an archival estray.

本卷宗涵盖1911年至1923年间研究的悬臂桥（cantilever bridge）计算与设计方案、招标说明书所列工程量，以及该悬臂桥的最终概算。本次最终概算对应的印刷版文件为《悉尼港湾达威角至米尔森角悬臂桥建造合同——投标格式文件》，由时任悉尼港湾大桥总工程师的J.J.C.布雷德菲尔德签署。保管历史：本档案系列由布雷德菲尔德家族于1968年6月11日移交至新南威尔士州档案管理局，此前疑似为档案馆散佚无主档案。