The subject solicitation is hereby amended to address the following vendor questions and answers:

Question:
Could you please specify the correct value for the loads, 6 kg or 7 kg?

Answer:
The high-precision 6-axis articulated arm robot shall have a maximum payload capacity of at least 6 kg for centered loads. See specification 1.

The detector track or arm shall be capable of holding at least 7 kg detector assembly payload. See specification 3.

Question:
What is the correct value for repeatability, 0.02 mm or 0.05 mm?

Answer:
The positioning repeatability of the high-precision 6-axis articulated arm robot shall be ± 0.02 mm or better. See specification 1. For the overall system, the sample positions shall be accurate and reproducible to ± 0.05 mm. See specification 8.

The due date of August 18, 2011 at 3pm EST remains unchanged. Only timely responses shall be considered.