HomeMy WebLinkAboutAddenda - BID - 5680 KECHTER ROAD IMPROVEMENTSAdminis.__ative Services
Purchasing Division
CITY OF FORT COLLINS
ADDENDUM No. 1
BID #5680
KECHTER ROAD IMPROVEMENTS
SPECIFICATIONS AND CONTRACT DOCUMENTS
Description of Bid #5680 Kechter Road Improvements
OPENING DATE: March 12, 2002, 3:00p.m. (Our Clock)
To all prospective bidders under the specifications and contract documents described above,
the following changes are hereby made.
In our Technical Specifications on page 5, we have defined the Muck Excavation to
include only the removal of unsuitable material. The hauling and replacement will be
paid for under separate items (Borrow Suitable Fill Material and Hauling and Leveling).
We contradicted ourselves on page 6, stating that if unsuitable material is found in our
subgrade that it shall be removed and replaced with suitable fill material which will all be
paid for under Muck Excavation.
To clarify ... on page 6: If unsuitable subgrade is encountered and the Engineer
directs the Contractor to over excavate the material, the Contractor shall use
Aggregate Base Courses (Class 5 or 6), Class 1 or 2 Structural Backfill, Pit Run or
an approved fill to backfill the over excavated area if there is not any acceptable
material onsite. This wnrk will tie
II. In our Technical Specifications on page 27, we stated that for Grading S and Grading SG
the design revolutions need to be 109 and below we contradict that by requiring 100 for
arterial roadways.
To clarify ... the gyrations required for this project are 100 for both Grading S and
Grading SG.
III. In our Technical Specifications on page 37, the compressive strength of our box culvert
mix design contradicts the design plans. The specifications require 4000 psi while the
plans require 4500 psi.
To clarify... the compressive strength must = 4000 psi
IV. In our Technical Specifications on page 48, we have stated that the lead TCS shall be
onsite at all times. Since this project will be constructed under a full closure, we have
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215 North Mason Street • 2nd Floor • P.O. Box 580 • Fort Collins, CO 80522-0580 • (970) 221-6775 • FAX (970) 221-6707