In February the president of the Royal Institute of British Architects, Jane Duncan, said the bridge procurement process was sufficiently murky that the project should be stopped and scrutinised before more public money was spent.
Another document, from the following month, warns ahead of the design competition that the bridge procurement process must be "robust and could withstand scrutiny and challenge", adding: "It would be very important not to make premature announcements around particular designs or proposals ahead of the procurement process being completed".
Discrete supply chain activities are integrated along with continuous production through bridging procurement, production, and demand management activities.
"It questions the financial viability of the garden bridge, the way the procurement process was run and suggests that TfL's own rules were repeatedly broken.
The team ran interagency market surveys throughout 2009; established joint long-term arrangements with suppliers; and found ways to bridge the differences in procurement procedures between their agencies.
The bride's father is an assistant project engineering manager in Charlotte for Chicago Bridge and Iron Company, an engineering, procurement and construction business.
Nonetheless, as the Indiana bridge began as a traditional procurement, the move to a PPP has generated savings of $225m on the proposed cost of construction and seen the completion date shorten by eight months, according to Indiana's Department of Transportation.The most interesting comparison between the bridges is over the longer term.
Leaked to the Guardian and the Architects' Journal, the document is an earlier version of the internal review into the procurement of the bridge, sent from TfL's director of internal audit Clive Walker, to director of strategy and policy Richard de Cani, which casts doubts over how the process was handled.
The new London mayor, Sadiq Khan, is investigating his predecessor's conduct in the procurement process for the bridge, after a London assembly committee found there were "significant failures of process throughout".
Vital material relating to the evaluation process has either been lost or destroyed by TfL, meaning that the official audit report into the procurement processes of the bridge design contained no discussion about how Heatherwick scored top marks.
Will Hurst, deputy editor of Architects' Journal, whose reporting has already led to a review of the procurement process for the bridge's designer, said that in Osborne the project had a powerful cheerleader.
