HomeMy WebLinkAboutAdden 1 ATCT Seismic Retrofit&Remodel
City of Renton ADENDUM#1
Project No.CAG-19-051 Page 1 of 8
ADDENDUM N0.1
Date: March 12t", 2019
Bid Due Date: March 26, 2019 (REMAINS UNCHANGED)
Date of Bid Opening: March 26, 2019 (REMAINS UNCHANGED)
Subject: Addendum No. 1 to Contract Documents
City of Renton
ATCT Seismic Retrofit & Remodel
From: William Adams, Project Manager, City of Renton
To: ALL PLAN HOLDERS AND/OR PROSPECTIVE BIDDERS
ATTENTION: ALL BIDDERS AND PLAN HOLDERS:
The Bid Documents for the above-named project are modified as described below. Bidders
shall take this Addendum into consideration when preparing and submitting their bids.
Bidders shall attach this addendum to their copy of the Contract Documents, and shall
acknowledge receipt of this Addendum on the Proposal Signature Page. A Proposal may be
considered irregular and may be rejected if the receipt of Addenda is not acknowledged. A
Proposal will be considered irre�ular and will be reiected if the Schedule of Prices included in
this Addendum is not completed and submitted with the Proposal.
THE CONTRACT DOCUMENTS ARE MODIFIED AS FOLLOWS:
1) TABLE OF CONTENTS
a) Section 00 8000.1 thru 00 8000.9 were added.
2) TECHNICAL SPECIFICATIONS SECTION 00 00 01
a) Remove Paragraph 1.1.A and replace with the following:
i) Any prospective Bidder desiring an explanation or interpretation of the solicitation,
drawings, specifications, etc., must submit a request in writing to the Owner seven
(7) calendar days before the bid due date. Oral explanations or instructions given
before the award of a contract will not be binding. Any information given a
prospective Bidder concerning a solicitation will be furnished promptly to all other
prospective Bidders by addendum to the solicitation, if that information is necessary
in submitting bids or if the lack of it would be prejudicial to other prospective
Bidders. See Section 00 0002 Advertisement For Bids for contact information.
March 12, 2019
Issued for Bid— 2/26/2019 Project 546.50.41.000
ATCT Seismic Retrofit&Remodel
City of Renton ADENDUM#1
Project No.CAG-19-051 Page 2 of 8
3) TECHNICAL SPECIFICATIONS SECTION 00 80 00
a) Remove the fifth paragraph and replace with the following:
i) Bidder understands that Contract Award or Bid rejection will occur within 45
calendar days after the opening of bids. If the lowest responsible Bidder and the
Contracting Agency agree, this deadline may be extended. If they cannot agree on
an extension by the 45 calendar day deadline, the contracting agency reserves the
right to award the contract to the next lowest responsible Bidder or reject all bids.
4) BIDDER QUESTIONS
a) Bidder Inquiry No.1-The CSPP references "Appendix A: CSPP drawings" however the
drawings appear to be missing. Please provide them.
City of Renton Response to Bidder Inquiry No.1-The referenced Appendix A from the
CSPP is attached.
b) Bidder Inquiry No.2-Are the 'actual damages' noted in 00 72 00 3.7.B intended to be in
addition to the LD's noted in 00 00 03?
City of Renton Response to Bidder Inquiry No.2-Section 00 72 00 3.7.B has been
removed in Addendum #1.
c) Bidder Inquiry No.3-The bid form, document 00 00 03 states a contract time of 180
calendar days, the 2019 ATCT proposal document states a contract time of 180 business
days, and 00 1140 only states 180 days. Shall calendar or business days govern?
City of Renton Response to Bidder Inquiry No.3—Calendar days shall govern.
TECHNICAL SPECIFICATIONS SECTION 00 80 00.9.
Remove the last paragraph and replace with the following:
Bidder hereby agrees to complete the Physical Work in all respects within 180
calendar days. Contract time shall begin on the first working day following the
Notice to Proceed date.
TECHNICAL SPECIFICATIONS SECTION 01 1140 1.3.A has been replaced with the
following:
Substantial Completion: 180 calendar days from NTP
d) Bidder Inquiry No.5- 00 00 03 Bid Form states 45 to final completion after substantial
completion; 01 1140 1.3.B states 210 days from NTP which suggests 30 days after
substantial completion. Which shall govern and shall days be calendar or business days?
City of Renton Response to Bidder Inquiry No.5—Calendar days shall govern.
TECHNICAL SPECIFICATIONS SECTION 01 1140 1.3.B has been replaced with the
following:
Final Completion: 225 calendar days from NTP
e) Bidder Inquiry No.6-Are the liquidated damages in 01 1140 1.4.B for 'failure to achieve
Final Completion' intended to be $1,000 per day or$10,000 per day?
March 12, 2019
Issued for Bid— 2/26/2019 Project 546.50.41.000
ATCT Seismic Retrofit&Remodel
City of Renton ADENDUM#1
Project No.CAG-19-051 Page 3 of 8
City of Renton Response to Bidder Inquiry No.6—This is intended to be $1,000 per day.
TECHNICAL SPECIFICATIONS SECTION 01 1140 1.4.B has been replaced with the
following:
Liquidated damages for failure to achieve Final Completion, shall be in the
amount of$1,000.00 per day.
f) Bidder Inquiry No.7- On S07, details A and B show epoxy dowels into the existing
buildings foundation. Please provide details regarding the epoxy dowels.
City of Renton Response to Bidder Inquiry No.7-#4 bars @ 12" OC, with 6" embed into
existing foundation and 24" embed into new foundation. See revised detail on sheet
S07.
g) Bidder Inquiry No.8- On S06, detail 2 and detail A show anchor bolts for base plates,
please provide size and length of the anchor bolts.
City of Renton Response to Bidder Inquiry No.8-Detail A/S06 shows the size of the
anchor bolts. Length to be determined by fabricator based on industry standards; refer
to Specification for Structural Joints Using High-Strength Bolts among other code-
accepted publications.
h) Bidder Inquiry No.9- On A32, detail 1 and 2 show canopies whose structural details
could not be found. Will structural details be provided?
City of Renton Response to Bidder Inquiry No.9-Additional information will be
provided. Please refer to addendum No.2 for clarification.
i) Bidder Inquiry No.10-On SO4 it shows saw cut for slab. Are there details for the patch
back of this slab.
City of Renton Response to Bidder Inquiry No.10-Sheet SO4 has been revised with
added detail.
j) Bidder Inquiry No.11- In spec section 10 28 00 there is a callout for a paper towel
dispenser labeled "K" which is to be installed under-cabinet. Is this being used?
City of Renton Response to Bidder Inquiry No.11- Under-cabinet paper towel dispenser
shall be found in Break Room 103. Please see attached sketch SK-1.
k) Bidder Inquiry No.12-On A10, note 2 asks contractor to seek guidance from project
representative for locations of first aid and AED cabinets. How many are needed?
City of Renton Response to bidder Inquiry No.12-Contractor shall supply one first aid
cabinet, located inside the restroom. No AED or cabinet is required.
I) Bidder Inquiry No.13- Please provide a count for Fire extinguishers and cabinets
needed as referenced in specification section 10 44 00 under safety specialties.
March 12, 2019
Issued for Bid— 2/26/2019 Project 546.50.41.000
ATCT Seismic Retrofit&Remodel
City of Renton ADENDUM#1
Project No.CAG-19-051 Page 4 of 8
City of Renton Response to bidder Inquiry No.13-County will be using existing fire
extinguishers. Contractor shall remove, store and reinstall where shown on the
Drawings. Existing fire extinguisher in the electrical room shall remain.
m) Bidder Inquiry No.14-On A50, detail 1 shows window shades integrated into the
window glazing system. Please confirm that all exterior windows receive window shades
using this detail.
City of Renton Response to Bidder Inquiry No.14- Please see attached revised Drawing
sheet A10 for window shade locations.
n) Bidder Inquiry No.15-On S08 detail 1, Please provide the sizes and lengths for the bolts
that go through the two plates connecting to HSS 6x6 collector to the %"x6" plates.
City of Renton Response to bidder Inquiry No.15- Detail 1/S08 shows the size of the
anchor bolts. Length to be determined by fabricator based on industry standards; refer
to Specification for Structural Joints Using High-Strength Bolts among other code-
accepted publications. Please note that plate thickness is not %" as stated in question
15.
o) Bidder Inquiry No.16-On S09 detail 2, shows a %-%weld behind the 6x6 collector to
the existing columns. A welder does not have proper access to the area behind the
collector and cannot properly visualize what he is welding while performing the weld.
We also believe that this cannot be properly inspected. Please confirm your
expectations on the performance and inspection of this weld. This is also an issue in
details 1,3 and 5 on S09.
City of Renton Response to bidder Inquiry No.16- During collector installation, building
cladding will be removed to facilitate collector installation. At this time, the "hidden"
side of the collector should be visible from below the concrete deck. Weld and
inspection access should also become available at this time.The general rule of thumb is
if a hand can fit in an area, so can a weld. At all locations shown in the details, a normal
sized hand will be able to fit behind the collector.
p) Bidder Inquiry No.19-01 31 32 references a GeoTech report dated 9/8/16. Many other
documents reference a report date of 8/1/16 which matches a CivilTech Engineering
Memo. Please verify that the CivilTech Memo is the correct report or otherwise clear up
this discrepancy.
City of Renton Response to Bidder Inquiry No.19-TECHNICAL SPECIFICATIONS SECTION
01 31 32 1.02.1 has been replaced with the following:
Geotechnical Data Report (GDR) dated August 1, 2016:
March 12, 2019
Issued for Bid— 2/26/2019 Project 546.50.41.000
ATCT Seismic Retrofit&Remodel
City of Renton ADENDUM#1
Project No.CAG-19-051 Page 5 of 8
q) Bidder Inquiry No.20- Details 1 &A on A41 indicate %" metal plate on both sides of the
top of the trusses. This is not shown on the structural plans. Please confirm that this
1/4" plate is to be included.
City of Renton Response to Bidder Inquiry No.20-The 1/4" plates are required as
indicated. See revised sheet S08 for detail on connection requirements.
r) Bidder Inquiry No.21-00 72 00 5.14 appears to state that the Contractor is to meter the
use of all utilities and repay the owner. Does this apply only to connections for a site
office or similar large-draw items or does it apply to all uses to the extent that small
tools may not be plugged into existing outlets?
City of Renton Response to Bidder Inquiry No.21-TECHNICAL SPECIFICATIONS SECTION
00 72 5.14 has been replaced with the following:
Not used.
s) Bidder Inquiry No.22-01 10 00 1.06.D references a shared area to be completed first.
Please identify the extents of this shared area.
City of Renton Response to Bidder Inquiry No.22-The Appendix A from the CSPP is
attached for reference. This shows the extents of the laydown areas.
t) Bidder Inquiry No.23-01 10 00 1.06.D references "temporary site wall construction".
The plans do not appear to include retaining walls, planter walls, or similar site walls.
Please clarify to what this refers.
City of Renton Response to Bidder Inquiry No.23-TECHNICAL SPECIFICATIONS SECTION
01 10 00 1.06D has been replaced with the following:
The Contractor shall schedule work in the shared area, including: rough grading,
TESC, soil removal and replacement and testing for drainage and project site fencing to
commence at the beginning of the work schedule and complete without interruption.
Once the work in the shared area is complete, the contractor shall install temporary
fencing to protect the area. This area shall be made available to the Owner after early
acceptance by the Architect.
u) Bidder Inquiry No.24-The drilled shaft specifications call for a pile load test per section
31 09 16.21. Kind of an unusual requirement for shafts of this capacity.
City of Renton Response to Bidder Inquiry No.24-Additional information will be
provided in Addendum No.2.
v) Bidder Inquiry No.25-There are CSL tubes shown on the drawings but nothing called
out for CSL testing in the specifications. CSL testing is a more common QC method for
confirming shaft integrity.
City of Renton Response to Bidder Inquiry No.25-Additional information will be
provided in Addendum No.2.
March 12, 2019
Issued for Bid— 2/26/2019 Project 546.50.41.000
ATCT Seismic Retrofit&Remodel
City of Renton ADENDUM#1
Project No.CAG-19-051 Page 6 of 8
w) Bidder Inquiry No.26-The drilled shaft specification also call out "Maintain shafts free
of water" (3.02.D) This really can't be done with a ground water table said to be 3'
below grade. Please clarify.
City of Renton Response to Bidder Inquiry No.26-Additional information will be
provided in Addendum No.2.
5) BIDDER QUESTIONS FROM PREBID MEETING AND SITE WALK
a) Bidder Inquiry No.33- What does the exterior paint consist of beyond the handrails?
City of Renton Response to Bidder Inquiry No.33—All exterior guardrails, handrails and
the exterior ladder will be repainted per Sheet A20.
b) Bidder Inquiry No.36- Will there be access for the crane? During down time will the
crane have access to park on the air side?
City of Renton Response to Bidder Inquiry No.36— Please refer to the Appendix A
referenced in the CSPP attached to Addendum No.1.
c) Bidder Inquiry No.39- How much of the parking lot will be available for staging?
City of Renton Response to Bidder Inquiry No.39— Please refer to the Appendix A
referenced in the CSPP attached to Addendum No.1.
d) Bidder Inquiry No.40- Clarify placement of anchor bolts and reinforcing in pile caps at
the top of drilled piers. The rebar cage for each pile goes into the pile caps where there
looks to be a conflict with the rectangular layout of the truss plates and embeds.
City of Renton Response to Bidder Inquiry No.4�Additional information will be
provided in Addendum No. 2.
e) Bidder Inquiry No.42- Is the fire alarm system zoned by floor?
City of Renton Response to Bidder Inquiry No.42—Zoning of existing fire alarm system
is unknown, not indicated in available documentation.
f) Bidder Inquiry No.46- Will the fencing standards sheet be issued?
City of Renton Response to Bidder Inquiry No.46—The fencing standards will be
attached to Addendum No.1
g) Bidder Inquiry No.48- Clarify the discrepancy between the layout of baseboard heater
on the 4th floor.
City of Renton Response to Bidder Inquiry No.48—Additional information will be
provided in Addendum No. 2.
h) Bidder Inquiry No.49- Will the beam in the existing lobby require shoring?
March 12, 2019
Issued for Bid— 2/26/2019 Project 546.50.41.000
ATCT Seismic Retrofit&Remodel
City of Renton ADENDUM#1
Project No.CAG-19-051 Page 7 of 8
City of Renton Response to Bidder Inquiry No.49-Additional information will be
provided in Addendum No. 2.
i) Bidder Inquiry No.50- Where can cranes be staged when they are boomed down?
City of Renton Response to Bidder Inquiry No.50- Please refer to the Appendix A
referenced in the CSPP attached to Addendum No.1.
j) Bidder Inquiry No.51- Clarify load testing requirement.
City of Renton Response to Bidder Inquiry No.51-Additional information will be
provided in Addendum No. 2.
6) BIDDER QUESTIONS POST PREBID MEETING AND SITE WALK
a) Bidder Inquiry No.55-The drilled shaft specifications call for a pile load test per section
31 09 16.21. Kind of an unusual requirement for shafts of this capacity.
City of Renton Response to Bidder Inquiry No.55-Additional information will be
provided in Addendum No. 2.
b) Bidder Inquiry No.56-There are CSL tubes shown on the drawings but nothing called
out for CSL testing in the specifications. CSL testing is a more common QC method for
confirming shaft integrity
City of Renton Response to Bidder Inquiry No.56-Additional information will be
provided in Addendum No. 2.
c) Bidder Inquiry No.57-The drilled shaft specification also call out "Maintain shafts free
of water" (3.02.D) This really can't be done with a ground water table said to be 3'
below grade. Please clarify.
City of Renton Response to Bidder Inquiry No.57-Additional information will be
provided in Addendum No. 2.
7) CLARIFICATION
a) The 2-foot light fixture shown on the drawings, in the data closet, is a 3,000 lumen
fixture.This is the same as the 4-foot fixture and is an available product, and is the
design intent.
8) ATTACHMENTS
a) APPENDIX A; CONTRACTOR LAYOUT PLAN_LAY DOWN & HAUL ROUTE
b) Standard Perimeter Fence Detail
c) SK-1
d) A01
e) SO4
f) S06
March 12, 2019
Issued for Bid— 2/26/2019 Project 546.50.41.000
ATCT Seismic Retrofit&Remodel
City of Renton ADENDUM#1
Project No.CAG-19-051 Page 8 of 8
g) S07
h) S08
i) S09
ALL OTHER REQUIREMENTS OF THE CONTRACT DOCUMENTS REMAIN IN EFFECT.
CITY OF RENTON
William Adams
Civil Engineer-Airport
March 12, 2019
Issued for Bid— 2/26/2019 Project 546.50.41.000