HomeMy WebLinkAbout800 E Lincoln Ave - Special Inspections/Engineering - 03/12/1996March 12, 1996
Sinnett Builders, Inc.
P.O. Box 1969
Fort Collins, CO 80522
Attention: Mr. Ted Beers
1 ferracon
CONSULTANTS WESTERN, INC.
EMPIRE DIVISION
P O. Box 503. 301 N. Howes
Fort Collins, Colorado 80522
(970)484-0359 Fax (970) 484-0454
Larry G. O'Dell, P.E.
Neil R. Sherrod, C.P.G.
Re: O'Dells Brewery Warehouse, Lincoln Avenue 11160 ` WO LlfnCb(b1 1AVeAUe.
Fort Collins, Colorado
Project No. 20951123
We are transmitting ® herewith
❑ under separate cover
® Field Data
❑
Laboratory Data
❑ Report
Regarding:
❑
Compacted Fills
❑
Location Diagram
❑ General Information
❑
Footings
❑
Soil Samples
❑ Certifications
❑
Concrete
❑
Construction Material
❑ Resumes
❑
Asphalt
Samples
❑ Other
❑
Aggregate
❑
Moisture -Density
❑ Report will follow under
®
Non -Destructive
❑
Grain Size Analysis
separate cover
Testing of Steel
❑
Masonry
On -site observation services were provided ❑ Full Time
® Part Time
We have not been asked to interpret the data or to make design and/or construction
recommendations based on the data, and cannot assume responsibility or liability for
interpretation of this data by others.
Sincerely,
TERRACON CONSULTANTS WESTERN, INC.
Empire Division
Mike L. Walker, C.E.T.
Manager of Construction Services
Enclosure
copies to: (2) Addressee
MLW/cih
Offices of The Terracon Companies, Inc. Geotechnical, Environmental and Materials Engineers
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QUALITY ENGINEERING SINCE 1965
INSPECTION ACTIVITIES & GENERAL SITE SURVEILLANCE
PROJECT: O'Dell Brewery Addition
PROJECT NUMBER: 20951123
PROJECT LOCATION: 800 E Lincoln, Fort Collins Colorado
CLIENT: Sinnett Builders
CONTRACTOR OBSERVED: Sinnett Builders & Barrow Construction (erector)
SUBJECT: Structural Erection Various Welding Page: 1 of 4
General Activities Noted: 2/29/96
Performed drawing review on site, no written specifications available. The building design & fabrication
was provided to Sinnett for completion on site.
Initial visit revealed the majority of the structure erected.
The structure is designed for bolt assembly, however, due to some fabrication errors, some welding has
been authorized by the engineer. These locations are the south face where clips were required to be
relocated. Also along the rafter at column line 5 where clips are to be field welded. Welding observed
was marginal at the rafter on Column line 5. Reviewed the welds with Jeff who will instruct the welder to
grind & repair the vertical portions of the fillets installed. Additionally a hole was blown in the web at this
location, also identified for repair.
Re: DRW. S-4352-01 Sht 1 where addition of anchor rod has been requested by engineering. Installed
locations are A-2 & H-2 where 4 -1" anchors are to be added on each column base plate, A-3 & 4,
H-3 & 4 where 2 -1.25" anchors have been added to each base plate.
Columns C-1 & F-1 have been prepared for installation of 2 -1" anchors for each column base plate.
Holes fabricated in the base plates for these additional anchors did not fully engage the foundation wall .
The installer relocated the holes to fall 2" in from the foundation wall edge, this changed the hole layout
pattern from 4" centerline to 2". Contractor will request engineering approval of this situation (see
attached sketch pg 1). Note verified depth of embedment at 12" on open holes.
Deficiencies Noted: 2/29/96
Re: DRW S-4325-01 sht 5 detail "End Wall Elevation (column line 5)". Specifically PM R-4 false rafter.
The fabricated beam was reworked to match the rafter pitch as approved by the engineer however in
installation revealed R-4 to be approximately 2" short.
The erector installed the beam as follows. The column bolted connection was completed as designed.
However at the rafter connection 4 -21-1 nuts were fillet welded over the end plate holes on the surface
designed for contact with the rafter, next, 4 -A-325 bolts were placed engaging the welded nuts leaving
the 2" mismatch, finally, the A-325 bolt heads were fillet welded to the rafter flange (5/8 of dia.), This
situation will require engineering review. (see attached sketches pg 2 & 3)
Inspector E. M. Nunn �(. Contractor: Sinnett
Date: 2/29/96 Authorized By: Mike Walker
Reviewed By: Copied to: Distribution list
Date Reported: 3/04/96
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