PURCHASING DEPARTMENT
LOUISVILLE, KENTUCKY
Invitation No: IB-014-17
Title: Belknap Campus Chiller Unit
Addendum No. One (1)
Date: August 30, 2016
The following shall clarify and/or modify the original bid document(s) as issued by the University of
Louisville.
1. Add the following Vendor Questions and University
Responses to this Invitation to Bid.
Bidder must acknowledge receipt of this and any addenda either with bid or by separate letter.
Acknowledgement must be received in the Office of Purchasing, Service Complex Building, University of
Louisville not later than September 7, 2016 at 2:00 PM. If by separate letter, the following information
must be placed in the lower left hand corner of the envelope:
Invitation No: IB-014-17
Title: Belknap Campus Chiller Unit
Open Date: September 7, 2016 at 2:00 PM
BY:
Jim Warden
Authorized Purchasing Officer
Receipt Acknowledged:
FIRM
BY:
Vendor questions and University Responses
Q1: Will it be possible to change the delivery date from 1/6/17 to 1/20/17?
UofL: Yes, January 20, 2017 delivery is acceptable.
Q2: Specification Part 2.3-A-2. The maximum KW/ton at full load capacity is listed as
0.580. This is an extremely low KW/ton to hit if it needs to be the “zero tolerance”
maximum KW/ton. It would essentially be a .555 KW/ton machine with ARI tolerances.
My question, is this max KW/ton (0.580) a standard rating with ARI tolerances?
UofL: The chiller shall be IECC 2012 energy code compliant. The zero tolerance testing
will be based on the data input on the bid form by the vendor.
Q3: Specification Part 2.13-C. This section describes a sound barrier. Is this needed if the
selected machine is below the specified 90 dBA requirement?
UofL: Sound attenuation shall only be required if the manufacturer’s factory testing of the
chiller for this project exceeds 90dBA.
Q4: Delivery – this bid requires a delivery of January 6th, 2017. It is impossible to
guarantee delivery without a guaranteed contract award/PO issue date. Is that specified?
Also, with the production schedule of this chiller planned to extend through 2 holidays
(plant shutdowns extend lead times), it may be difficult to hit that delivery date. Can this
date be pushed back at all?
UofL: See response Q1. The vendor shall include the submittal for the chiller with the bid
to expedite the process. The intent of the University is to issue an award letter within a
week of the bid opening with a PO to follow within days.
Q5: Is the sound barrier required regardless of the sound power level or is it only if needed
to be below 90 dBA?
UofL: See response to Q3.
Q6: Specification Part 2.2-D-2-b. The spec lists 250” max length. Ours is 253”. Is that
acceptable?
UofL: A maximum chiller length of 253” is acceptable.
Q7: Specification Part 2.10. This specification section seems to be describing an auto
transformer (floor mounted) which differs from what I believe is intended for this machine.
My intent is to bid a unit mounted medium voltage solid state starter. Many of the items
accomplished in different ways than specified. (ex. Overload relays, this is accomplished
electronically through the microprocessor board. Or meters, we don’t have actual meters
but it is accomplished electronically). I have attached our spec section for the solid state
starter, please take a look and confirm that this is acceptable?
UofL: Furnish the chiller with a unit-mounted reduced-voltage solid state starter. The
starter enclosure shall be NEMA1 and shall allow for complete access to all parts. The
starter shall be tested and the design starting current and overload settings adjusted at the
factory. The starter shall be unit-mounted to the chiller, however, the chiller manufacturer
shall remove and reinstall the starter in the field by factory technicians if required to fit the
chiller through the roll-up doors into the chiller plant.