HomeMy WebLinkAboutFile Documents.401 Castle Creek Rd.0024.2019 (61).ACBKDetailed, RFIs Grouped by RFI Number
Request for Information 026
Aspen Ambulance District Facility FCI Constructors, Inc. - GJProject # 10-17-033
Aspen, CO 81611 Tel: 970-434-9093 Fax: 970-434-7583
RFI #: 026 Date Created: 9/14/2018
Author Company Authored ByAnswer Company Answered By
Chamberlin Architects, Inc. Jonathan West FCI Constructors, Inc. - GJ Sam Meeks
437 Main Street
Grand Junction, CO 81501
P. O. Box 1767
Grand Junction, CO 81502
Co-Respondent Author RFI Number
DisciplineSubject Category
ClarificationElectricalElevator Electrical Clarification
Company Name Contact Name Copies NotesCc:
Chamberlin Architects, Inc. Daniel Gartner 1
FCI Constructors, Inc. - GJ Brady Blackmer 1
FCI Constructors, Inc. - GJ Brian Young 1
FCI Constructors, Inc. - GJ David Hale 1
Question Date Required: 9/21/2018
FCI has the following questions regarding the electrical service for the elevator:
1. The quote that FCI received from Thyssen-Krupp for the building elevator noted that noted that they included their
standard 10,000 amp short circuit rating. It is a small add in cost to go to a 20,000 amp circuit rating. Please confirm it is
acceptable to stick with the 10,000 a rating or if the 20,000 a rating will be required.
2. FCI would like to confirm the sequence of operations for the elevator in the event of a power outage. Per specification
section 142400-2.09.D states that if the building loses power the elevator is tied to stand-by (generator) power. The
stand-by power then lowers the elevator to pre-designated floor to allow people to get off elevator. However, looking at the
electrical drawings, it appears that only the elevator cab lights and elevator pit receptacle is tied to the EM panel that is
powered by the generator. If we need to meet the elevator spec on emergency power operation than I think we would
need to wire the elevator to the EM panel. Please confirm that sequence of operations for the elevator in the event of a
power outage.
Suggestion
Answer Date Answered: 9/19/2018
1. Calculations indicate that at the terminals of the elevator the available fault will be less than 9,949 amps. The standard
short circuit rating for the elevator will be acceptable.
2. The elevator is not required by code to be powered through the generator. The generator is not sized to carry the
elevator. The specification is incorrect. Upon loss of utility power, the elevator is to return to the lowest floor without
relying
on utility or generator power.
WLM 9/19/18
Prolog Manager Printed on: 9/27/2018 FCI_Integration Page 1