|
Title
|
Date
|
Number
|
Specification
Section
|
|
CMO
Guidlelines for HMA/SMA/AC Binder Grade Changes, Source
Changes, or Both
|
August 21, 2008
|
2008-9
|
Use in conjunction with
Construction Bulletins 2008-6 and 2008-8.
|
|
Changing
Binder Grade, Source, or Both
|
Revised
on
August
4, 2008
|
2008-8
|
Subsection 104.02(c) of the Standard Specifications
|
|
Revision
to Minor Contract Revision (MCR) Process
|
July 10, 2008
|
2008-7
|
Revision of Section 120.7 of the Construction Manual
|
|
Polymer
and Asphalt Cement Shortages
|
July
7, 2008
|
2008-6
|
Revision of Section 108.07, Determination and Extension of
Contract Time
|
|
Soil
Nail Walls with Block Facing
|
May 22, 2008
|
2008-5
|
Section 120.7.7.1 of the Construction Manual
|
|
Stormwater
Management System Inspection Forms
|
April 25, 2008
|
2008-4
|
Instructions
on the implementation of two forms used to record required
inspections of the stormwater management system.
|
|
Buy America Requirements
|
April 25, 2008
|
2008-3
|
Section 106.8 of the
Construction Manual
|
|
Disputes
& Claims for Contract Adjustments
|
Revised
on
March 21, 2008
|
2008-2
|
Revision of Section 105, Disputes
and Claims for Contract Adjustments
|
|
On
the Job Training
|
January
17, 2008
|
2008-1
|
On
the Job Training (OJT)
|
|
Highway
Construction PO Amendment Process
|
December
21, 2007
|
2007-3
|
NA
|
|
Revision
to Stormwater Management Plan (SWMP)
|
June
29, 2007
|
2007-2
|
Revision
of Project Special Provision Worksheet Sections 101, 107, and 208 - Water Quality Control
|
|
Safety
Critical Work
|
January
8, 2007
|
2007-1
|
Revision
of Section 101- Safety Critical Work
and
Revision
of Section 107 - Performance of Safety Critical Work
|
|
Removal
of Bridge
|
December
1, 2006
|
2006-10
|
Revision
of Section 202, Removal of Bridge
|
|
Pre-Erection
Conference and Erection Plan
|
December
1, 2006
|
2006-9
|
509 and 618
Erection Plan and Pre-Erection Conference on projects with steel or concrete girders.
|
|
Fuel
Cost Adjustment
|
December
1, 2006
|
2006-8
|
Revision
of Section 109, Fuel Cost Adjustment
|
|
Payment
Schedule
|
October
11, 2006
|
2006-7
|
Announces
implementation of payment schedules on all projects.
|
|
Updated
HMA Pre Paving Conference Agenda
|
June 30, 2006
|
2006-6
|
Announces
the availability of a revised and updated HMA Pre Paving
Conference Agenda.
|
|
Updated
Preconstruction Conference Agenda
|
Revised
on
March
21, 2008
|
2006-5
|
Announces
the availability of a revised and updated Preconstruction
Conference Agenda
|
|
Revision
to Fines Double Signing
|
June 15, 2006
|
2006-4
|
S-Standard
S-630-1,
Traffic
Controls for Highway Construction
|
|
Project
Safety Planning Specification Requirements
|
January 25, 2006
|
2006-2
|
Revision of Section 107
|
|
Vertical
and Horizontal Clearance Restrictions during Construction
|
January 5, 2006
|
2006-1
|
Revision of Section
630.09 #7 and #8
|
|
Best
Construction Practices for Portland Cement Concrete Pavement
(PCCP)
|
December 29, 2005
|
2005-11
|
Revision of Section 412
|
|
Breakaway
Holes on Construction Signs
|
December 13, 2005
|
2005-10
|
Subsection 630.3.4 #4
|
|
Determination
and Extension of Contract Time
|
September 23, 2005
|
2005-8
|
Revision of Section 108
|
|
Value
Engineering Change Proposals Construction Manual Wording
|
May 31, 2005
|
2005-7
|
Revision of Section 104
|
|
Retainage
and Partial Payment of Subcontracted Items
|
April
25, 2005
|
2005-5
|
Revision of Section 109
|
|
NCHRP
350 REQUIREMENTS
|
April
28, 2005
|
2005-4
|
630
- NCHRP 350 REQUIREMENTS
|
|
Traffic
Control Personnel Apparel
|
April
14, 2005
|
2005-3
|
2003 MUTCD - Allows either fluorescent orange-red or fluorescent
yellow-green "apparel"
(safety vests and hardhats).
|
|
Caisson
Construction Inspection Documentation
|
April
14, 2005
|
2005-2
|
Improvements
in caisson construction documentation and identification of
bearing materials.
|
|
Remediation
of localized
soft
subgrade encountered during paving operations
|
February
7, 2005
|
2005-1
|
203.3.4
- Suggested practices for avoiding and mitigating localized soft
subgrade problems encountered while paving.
|
|
BITUMINOUS
PAVER
|
March 22, 2004
|
2004-1
|
Required
anti-segregation
kits on bituminous pavers.
|
|
CHANGES
TO HBP SPECIFICATIONS
(Gyratory
Compaction Angle & Air Voids)
|
November 21, 2002
|
2002-14
|
105
and 106
Quality
of HBP
|
|
CDOT
FORM #280
Equal
Employment Opportunity and Labor Compliance Verification
|
April 22, 2003
|
2002-8
|
From
the
CDOT
2002
Construction
Manual
Section
107.1.3.3
|
|
COMPACTION
ANGLE FOR GYRATORY COMPACTORS
Letter
from CDOT's Chief Engineer to Prequalified Contractors
|
May
31, 2002
|
2002-5
|
NA
|
|
TINING
The
following are a series of photographs that supplement the
Tining construction bulletin. Please click on their links to
view them.
Unacceptable
Tining:
4.jpg 8.jpg
9.jpg 10.jpg
11.jpg
Acceptable
Tining:
13.jpg
14.jpg 15.jpg
16.jpg 17.jpg
|
February 4,
2002
|
2002-1
|
412.12
|
|
CONSTRUCTION
TRAFFIC CONTROL
|
April 21, 2001
|
2001-6
|
630-14
|
