Erosion Control Project – Phase 3
All Mandatory Meeting Attendees:
Re:
Addendum #1
*Please acknowledge Addendum #1 on your bid form
Questions/Responses:
1. Section 312900 – Permanent revegetation is missing from the project
specifications
Spec section to be issued in addendum email.
2. Is the rip rap section shown on C102 is to be used for all rip rap areas other than
the boulder rip rap section for area 3, and rip rap check dams. There are
additional sections shown on the specific area # plan sheets that do not include
bedding or infill material, which detail is to be used?
This has been updated and clouded on the plans.
3. Please reference sheet C100, General Note 9, Grading and Erosion Control Note
12 and section 312319. General Note 9, Grading and Erosion Control Note 12
and section 312319 puts all the risk of unknown natural events on the contractor.
In lieu of this approach may an allowance for this work, both temporary protection
and repairs of damage, be specified where any unused portion of the allowance
be refunded to the Owner?
a. If so, what allowance amount should be carried and should it be carried in
the contractors bid amount?
Please include allowance of $4,000 for unknown events. This is to be included in
base bid only. Exclude allowances in alternates.
4. Please confirm the following items as discussed at the pre-bid meeting.
a. The anticipated notice to proceed date is mid August. Correct. We will
work with low bid contractor to ensure they have correct scope. IF
numbers are higher than expected, then we will negotiate with low bid
contractor until we can agree upon project cost and scope.
b. All private locates will be the responsibility of the Owner. Correct,
contractor to call 811 for all locates; this process now includes private
locates. Private locates will be billed to UCCS and charged to project
cost.
c. Hours of work shall be limited to 8:00 a.m. to 5:00 p.m. Correct.
d. Traffic control is required to maintain one lane traffic when possible.
Correct, at least one lane of traffic to be open at all times. In event that
this can’t be achieved, then contractor to work with UCCS Principle
Representative to review plan. This is not desired and would only be
allowed if absolute necessity.
e. Costs of Parking are to be by the Contractor. Correct – contractor to
include employee/staff parking at $10/day/vehicle.
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Erosion Control Project – Phase 3
f. The Owner will provide all testing. Correct – UCCS to provide all special
inspections, state code review, state inspections.
g. State Storm Water Permit will be by the Contractor. Correct. SWMP permit
and inspections to be provided by contractor.
h. The existing sand bags shall at area 1 shall be removed and disposed of
by the contractor. Correct, contractor to remove and export off site.
5. Please reference C300 and C301. It is likely that a portion of the existing fire
lane will need to be removed and replaced for the construction for the new basin
but no asphalt work is shown (such as where it is shown on C307 and similar).
Will asphalt replacement be required at this location by the contractor? If so,
please indicate the extent. Asphalt removal and replacement will likely be
required. Contractor to assume minimum 2 feet of asphalt patchback for bid
purposes.
6. Please reference asphalt patch back locations. What depth of asphalt should be
included at these locations? Contractor to assume 6” full depth asphalt for bid
purposes. Contractor to verify and match existing asphalt section prior to
construction.
7. Please reference C300 and C301. All sections on these sheets reference sheet
C303. Please confirm that these should be read as referencing sheet C302. This
is correct. All sections referencing C303 should reference C302. This has been
updated and clouded on the plans.
8. Please reference C304. The notes indicate that the new curb and gutter is to tie
into the existing retaining wall. However the existing retaining wall is not shown
in the plan view. Please indicate the location of the wall so the proper amount of
work can be included. The existing wall has not been surveyed. The approximate
total length of curb and gutter for bid purposes is 70 feet. Contractor to verify
prior to construction.
9. Please reference C304. At the walk it was stated that one of the trees shown to
be protected shall be removed and that regrading of the existing to accommodate
the tree to remain would be provided. Please provide this information. The
southeasterly most tree is to be removed and the northwesterly most tree is to
remain. This has been updated and clouded on the plans.
10. Please reference C305. At the pre-bid walk it was state that the existing rip rap
would be reused and only a portion of it would be new. Please provide the
quantity of new riprap that should be included in the bid. Contractor to assume
25% new riprap material for bid purposes. Contractor to verify quantity prior to
construction.
11. Please reference C102, the quarried dry stack retaining wall details.
a. Please provide a specification for the desire rock retaining wall.
b. Please provide the basis for the design parameters required, such as
internal friction angle, if on site material is to be used as back fill, etc. so
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Erosion Control Project – Phase 3
the bidders may include the appropriate required structural
design/engineering as part of their proposals.
Per the dry stack wall detail note #5 on sheet C102, contractor to assume
standard design requirements for wall heights over 3 feet and assume the
necessary design build fees for bid purposes.
12. Please reference C401, C402 and C403. Please confirm that only the rip rap
shown with the heavier line weight is new and the lighter line weight is existing to
remain (or existing to be regraded only where new grading is shown). This is
correct. All screened riprap is existing and should be re-graded as necessary.
13. Please confirm that the geotechnical reports are for information only and are not
contract documents per industry standards. Correct, this project did not provide
new soils investigative report and instead used existing nearby reports from past
projects.
14. Please reference section 311000.3.6.C and 31200.1.6.B. Please define the
amounts and locations of existing fill to be removed. The geotechnical reports
are not specific to this project and per industry standards are not contract
documents. Contractor to review onsite conditions and quantify existing fill to be
removed.
15. Please reference 312000.2.1.C. Since the existing soils are unknown please
confirm that for the purposes of the bid all existing soils shall be considered
satisfactory. Correct.
16. Please reference the specifications. Most section reference “UCCS General and
Supplementary Conditions and Division 1 Specifications Sections, apply to this
Section.” Please provide UCCS General and Supplementary Conditions and
Division 1 Specifications Sections if applicable. Not applicable. Contractor will be
required to provide red-lined record documents at end of project. This will
exclude CAD updates.
End of Addendum #1
Thank you,
Brad Johnson
University of Colorado Colorado Springs
Planning Design and Construction
Project Manager
719-255-3509
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