This morning at 04:52 hours our RIT was requested into Hillsborough to standby at Station 38 for a fire inside a commercial building. Moments later Deputy 28 requested Rescue 56 to the scene to supplement the RIT team already on location. Van 56 responded with an additional crew, all 56 units stoodby for approximately 1 1/2 hour without incident before being cleared by chief 28.