TITLE: GCN CIRCULAR NUMBER: 13554 SUBJECT: GRB 120729A: JCMT SCUBA-2 sub-mm observation DATE: 12/07/31 22:33:41 GMT FROM: Ian Smith at Rice U I.A. Smith (Rice U.), R.P.J. Tilanus (JAC), N.R. Tanvir (U. of Leicester), D.A. Frail (NRAO) report: We observed the location of GRB 120729A (Ukwatta et al., GCN Circ. 13530) using the SCUBA-2 sub-millimeter continuum camera on the James Clerk Maxwell Telescope. The observation started at 12:14 UT on 2012-07-29, corresponding to 78 minutes after the burst trigger. Exposures totaling 3.1 hours were made in reasonable weather conditions. No source was detected, with a preliminary RMS of 1.8 mJy/beam at 850 microns. We thank Jeff Cox and Ruud Visser for their prompt support of these observations.