A Mission for the Project “Technical Assistance for the Protection of the Damaged Cultural Heritage in Nepal” (Part 8)

Instructing how to use a 3D scanner to the local staff
Target installed on the external wall of the building for displacement measurement

 Staff members have ongoingly been dispatched to Nepal under the project regarding the above subject that has been entrusted by the Agency for Cultural Affairs. Field surveys were conducted by six experts from October 29th to November 10th and by two experts from November 20th to 26th.
 First, with regard to a group of buildings surrounding Aganchen Temple in Hanumandhoka Palace in Kathmandu, following the survey in June, recording current conditions and detailed measurement for preparation of a restoration scheme were performed. Concurrently with this, the structural engineer team mainly consisting of members of the Institute of Industrial Science, the University of Tokyo, carried out measurements by 3D scanners. As there are some areas inside the Palace where entry of foreigners are restricted due to religious reasons, we instructed local staff members from Department of Archaeology, Government of Nepal, regarding how to use the surveying instruments and conducted the measurement works in cooperation with them. Although entry prohibition imposed a restriction on implementation of the survey, it seems to have served at the same time as a good opportunity for promoting transfer of skills.
 Next, for the interior walls that had already been surveyed, the finishing layers were peeled off and specifications as well as conditions of the underlying brick wall were examined. This process is not only necessary in order to accurately identify the damage conditions of the brick walls but also very important in order to clarify the transition of the building. Especially, for the places that may have to be torn down for reasons such as very severe damage, observation with utmost care and deliberation was needed as this survey might become the last opportunity to survey and record historical evidences.
 Further, with the aim of continuously monitoring any possible adverse effects on the buildings adjacent to the work area throughout the restoration work, we installed the targets for displacement measurement and glass plates for the fixed-point observation of wall inclination at various spots, and measured the initial values.
On the other hand, we have also worked on documentation of the excavated artifacts from the excavation research that was conducted near the Shiva Temple inside the Palace in June. Further, instructions and advices were given to the staff of Department of Archaeology on the methods of documentation.
 Two years and a half have passed since the earthquake that caused extensive damages to cultural properties as well and restoration projects led by teams of various countries have finally become active. We also would like to continue supporting the above-mentioned restoration project in which restoration specialists from Japan participate while working on transfer of skills to the local engineers.

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