>> hi name is hanson tam, with the department of building inspection. we concluded that addendum number two was actually submitted, and it included adequate information. as of right now, we have engaged again with the engineer of record to go through addendum two. i think right now we are ready to embark on the cap for this project. >> there were some discussions on the professional association standards and methods of analysis, and there was some disagreement on that. do you concur with the approach that was taken by the engineer of record? >> you are referring to the afce 41? >> correct. >> could you address that? >> when we start a project, the proposal is using a performance-based analysis. the project was presented to us using efce-41, an american standard of civil engineer standard. it is not a code, but it has been widely used by the engineering professions. we have buildings in san francisco using that standard for building retrofit. so we have agreed to use that with a peer review process, and we ran through that. thank you. >> thank you. >> th