HomeMy WebLinkAboutC405 Paving & Concrete Curb Policies-C405DA
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1)General
A)The work subject to the requirements of this policy shall include the production,
hauling/delivery, spreading, finishing, compaction and other work necessary to
prepare foundations, install aggregate bases and install one or more courses of base,
intermediate, or surface hot mix asphalt mixtures within existing or proposed
right-of-way for roadways, auxiliary lanes and asphalt multi-use paths.
B)This policy shall be the basis for acceptance of the work by the City. Failure to
adhere to the requirements of this policy may result in non-acceptance of the work or
other remedies outlined in this policy.
C)Workmanship, materials and quality of the work completed shall conform to the 2006
Standard Specifications of the Indiana Department of Transportation (hereinafter
referred to as Standard Specifications), except where deviations are allowed herein,
or variances are granted.
D)Where the minimum standards of any other governmental agency having concurrent
jurisdiction exceed these standards, the higher standards shall apply.
E)If any plan or other note or specification on the approved construction documents
exceeds the minimum standards of this policy, the higher standards shall apply.
F)Nothing contained herein shall be construed as prohibiting the design and
construction of improvements meeting higher standards, nor as discouraging petitions
to appropriate governing bodies for variances for alternatives which can be supported
by advances in technology and are approved by other agencies with concurrent
jurisdiction.
G)All work shall comply with the requirements of Section 105.03 of the Standard
Specifications.
H)For the purposes of this policy, where the term Engineer is used in this policy and
the Standard Specifications, it shall mean:
a)The Carmel City Engineer, staff of the Department of Engineering, other personnel
employed by the City of Carmel, or authorized agent(s) that may be retained to
represent the City of Carmel.
ii)The Hamilton County Highway Engineer, staff of the Hamilton County Highway
Department, other personnel employed by Hamilton County, or authorized agent(s)
that may be retained to represent Hamilton County Highway, depending on the
location of the work.
I)Authority of the Engineer over the work shall be per Section 105.01 of the Standard
Specifications.
J)Prior to commencing the work, the Contractor performing the work shall contact the
Engineer to schedule a pre-construction meeting to review the Engineer's
construction requirements, staff notification requirements, required inspections for
certain stages of the work and to review the authority of the Engineer as it relates to
the work.
K)Under no circumstances shall work subject to the standards established by this
policy commence without obtaining approved construction drawings by the City of
Carmel Department of Engineering.
2)Foundation
A)General
i)This work shall consist of the construction/preparation of the foundation in
accordance with Section 105.03 of the Standard Specifications.
B)Excavation and Embankment
i)Prior to beginning excavation and embankment operations, all necessary clearing,
grubbing, scalping and topsoil stripping and subsequent backfilling for removed
items within the slope stake limits shall be performed in accordance with Section
201.03 and 201.04 of the Standard Specifications. All topsoil, vegetation, roots,
stumps, friable and deleterious material shall be completely removed within the
limits of the slope stakes.
ii)Excavations
(1)After excavation operations, all spongy and yielding material that does not
readily compact shall be removed from within the slope stake limits and the
resulting void shall be refilled with suitable material and compacted in
accordance with Section 203 of the Standard Specifications.
(2)Any pronounced depressions within the slope stake limits resulting after
excavation operations shall be refilled with suitable material and compacted in
accordance with Section 203 of the Standard Specifications.
iii)Embankments
(1)Embankments shall be constructed in accordance with Section 203 of the
Standard Specifications.
(2)All spongy and yielding material that does not readily compact shall be
removed from within the slope stake limits prior to embankment operations.
(3)Any pronounced depressions within the slope stake limits resulting after
clearing, grubbing, scalping and topsoil removal shall be refilled with suitable
material and compacted in accordance with Section 203 of the Standard
Specifications prior to embankment operations.
(4)Prior to the construction of any embankment, the original ground surface
within the limits of the slope stakes shall be leveled and the upper 6-inches shall
be compacted in accordance with Section 203 of the Standard Specifications.
(5)Embankments shall be shaped to be well drained and shall be protected to
prevent erosion.
(6) Loose depth of each embankment lift, final compacted depth, compaction
method and compaction requirements shall be in accordance with Section 203
of the Standard Specifications.
A)Soil Subgrades
i)Subgrades shall be prepared only after the installation of all utilities and subsurface
drains indicated on the approved construction documents to be located under the
pavement are completed. Trench backfilling work of these installations shall be in
accordance with the City of Carmel Trench Backfilling specifications.
ii)The subgrade shall be shaped to the required grade and sections, free from all ruts,
corrugations, or other irregularities.
iii)The subgrade shall be uniformly prepared, compacted and approved in
accordance with Sections 207.02, 207.03 and 207.04 of the Standard
Specifications.
iv)Subgrades shall be inspected and approved by the Engineer before any
aggregate base or hot mix asphalt pavements are constructed. A proofroll shall be
conducted in accordance with Section 203.26 of the Standard Specifications.
Unacceptable areas shall be corrected to the satisfaction of the Engineer before any
aggregate base or hot mix asphalt paving operations commence.
v)At the discretion of the Engineer, Subgrade that has satisfactorily passed a
proofroll, but remains uncovered for a period of 14 calendar days prior to
placing stone or is subject to a measurable rain event prior to placing stone, shall
be subject to additional proof rolls prior to placement of the Aggregate Base.
A)Existing Pavement
i)Milling of existing pavement surfaces shall be in accordance with Section 306.02,
306.03, 306.05, 306.07 and 306.08 of the Standard Specifications.
ii)Localized weak areas of the existing pavement section uncovered during the
milling process shall be repaired in accordance with Section 304.02, 304.03,
304.05 or 305 of the Standard Specifications.
iii)Prior to opening milled areas to traffic, the milled areas shall be cleaned of
all material, debris and dust resulting from the operation.
iv)Milled areas that remain open to traffic longer than those times stipulated in
Section 306.05 of the Standard Specifications shall be subject to liquidated
damages outlined in Section 306.05 of the Standard Specifications. The Contractor
shall be responsible for payment of these liquidated damages.
2)Aggregate Bases
A)General
i)This work shall consist of placing a compacted aggregate on a prepared soil
subgrade in accordance with Section 105.03 of the Standard Specifications.
ii)Aggregate Base materials shall be in accordance with Section 301.02 of the
Standard Specifications.
iii)The material shall be obtained from a Certified Aggregate Producer in
accordance with Section 917 of the Standard Specifications.
iv)The Aggregate Base material shall be handled and transported to, and on, the
work site in a manner that minimizes segregation and moisture loss.
v)Aggregate Bases shall be constructed on prepared foundations and to thicknesses
equal or greater than those indicated on the approved construction documents.
B)Temperature and Seasonal Limitations
i)The Aggregate Base shall be placed in accordance with the temperature limitations
of Section 301.04 of the Standard Specifications.
ii)Frozen material shall not be placed.
iii)Aggregate Bases must be placed and pass proof roll prior to November 30 in
order to allow paving in accordance with Section 4C(iv) of this policy.
C)Preparation
i)The prepared foundation shall be free from objectionable or foreign materials at
the time of placement.
ii)The subgrade shall be subject to additional proof rolls in accordance with Section
203.26 of the Standard Specifications just prior to placing the Aggregate Base on
the subgrade in accordance with Section 2C(v) of this policy. Unacceptable areas
shall be corrected to the satisfaction of the Engineer before any Aggregate Base is
placed.
D)Spreading and Finishing
i)The Aggregate Base shall be spread in accordance with Section 301.05 of the
Standard Specifications.
ii)The Aggregate Base shall be compacted in accordance with Section 301.06 of the
Standard Specifications.
iii)Subsequent paving courses shall be placed over the Aggregate Base within
14 calendar days. Aggregate Bases that lay exposed for a period of time greater
than 14 calendar days or experience a measurable rain event prior to the placement
of subsequent paving courses shall be subject to inspection and acceptance by the
Engineer. At the discretion of the Engineer, additional proof rolls may be required.
3)Asphalt Pavement
A)General
i)This work shall consist of placing one or more courses of base, intermediate, or
surface hot mix asphalt (HMA) mixtures on a prepared foundation in accordance
with Section 105.03 of the Standard Specifications.
ii)HMA base, intermediate, or surface mixtures shall be constructed on prepared
foundations and to thicknesses equal or greater than those indicated on the
approved construction documents.
iii)Materials used in the production of the HMA mixtures shall be in accordance
with Section 401.03 of the Standard Specifications.
iv)Equipment for HMA operations, including but not limited to production,
hauling/transportation, laydown, compaction and miscellaneous/ancillary activity
shall be in accordance with Section 409 of the Standard Specifications.
v)Installation of the full pavement section indicated on the approved construction
documents for the entire area to be paved must be completed in the same paving
season.
vi)Widening operations shall comply with the following:
(1)The outside face of the excavated area shall be left as nearly vertical as the
nature of the material will permit and not wider than the outside limits of the
widening section.
(2)The existing pavement adjacent to the widening area shall be sawcut to a
clean edge.
(3)The subgrade in the widened area shall be compacted in accordance with this
policy.
(4)Widening mixtures shall comply with the pavement section indicated on the
approved construction documents.
(5)Compaction of the widening shall be in accordance with Section 304.05 of
the Standard Specifications.
A)Preparation
i)The Aggregate Base shall be subject to additional proof rolls in accordance with
Section 203.26 of the Standard Specifications just prior to placing the HMA
courses in accordance with Section 3D(iii) of this policy. Unacceptable areas shall
be corrected to the satisfaction of the Engineer before any paving operations
commence.
ii)All displacement or rutting of the Aggregate Base shall be repaired prior to placing
HMA mixtures.
iii)Milled asphalt surfaces shall be tacked in accordance with Section 406 of the
Standard Specifications.
iv)Asphalt surfaces between courses shall be tacked in accordance with Section
406 of the Standard Specifications.
v)Contact surfaces of curbing, gutters, manholes, and other structures shall be tacked
in accordance with Section 406 of the Standard Specifications.
vi)Surfaces on which a mixture is placed shall be free from objectionable or
foreign materials at the time of placement.
vii)Tack Coat material shall be distributed with equipment meeting the
requirements of Section 409.03(a) of the Standard Specifications.
B) Weather and Seasonal Limitations
i)HMA courses shall be placed when the ambient temperature and the temperature
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shall determine the ambient temperature. There shall be no provision for low
temperature compaction allowed by Section 402.16 of the Standard Specifications.
ii)No mixture shall be placed on a frozen subgrade.
iii)Under no circumstances shall HMA mixtures be placed between December
15 and March 30.
iv)If a foundation that is to receive one or more courses of base, intermediate,
or surface HMA mixtures is placed and determined to be an approved foundation
by the City prior to November 30, placement of HMA courses will be allowed up
to December 15, provided that the ambient and foundation surface temperature
complies with the requirements of Section 4C(i) of this policy and the paving
contractor pay for the services of a full time construction inspector and who shall
act as an authorized agent of the Engineer. The Engineer shall select the
construction inspector.
v)If the ambient and foundation surface temperature complies with the requirements
of Section 4C(i) of this policy between April 1 and April 15, HMA course shall be
allowed to be placed on an approved foundation provided that the paving
contractor pay for the services of a full time construction inspector and who shall
act as an authorized agent of the Engineer. The Engineer shall select the
construction inspector.
vi)The Engineer reserves the right to suspend all paving operations if, in the
opinion of the Engineer, that prevailing weather conditions and/or the condition of
the Subgrade and/or the Aggregate Base may result in substandard HMA
placement, spreading and finishing.
C)Spreading and Finishing
i)HMA courses shall be placed upon an approved foundation or other HMA course
by means of laydown equipment in accordance with Section 409.03(c) of the
Standard Specifications.
ii)Segregation or flushing or bleeding of HMA mixtures will not be permitted.
Corrective action shall be taken to prevent continuation of these conditions.
Segregated or flushed or bleeding HMA mixtures shall be removed if directed.
iii)All areas showing an excess or deficiency of binder shall be removed and
replaced.
iv)All HMA mixtures that become loose and broken, mixed with dirt, or is in
any way defective shall be removed and replaced.
D)Joints
i)Joints shall conform to the requirements of Section 401.15 of the Standard
Specifications.
E)Compaction
i)The HMA mixture shall be compacted with equipment in accordance with Section
409.03(d) of the Standard Specifications immediately after the mixture has been
spread and finished.
ii)Rollers shall not cause undue displacement, cracking, or shoving.
2)Inspections
A)All materials furnished and each part or detail of the work will be subject to
inspection per Section 105.10 of the Standard Specifications for the purpose of
ascertaining that the work is in substantial conformance with this policy and the
approved construction documents.
B)The Contractor shall notify the Engineer a minimum of 48-hours in advance of
commencing any work subject to the standards established by this policy.
C)The Contractor shall schedule proofrolls with the Engineer a minimum of 48-hours in
advance of such proofrolls.
D)Sampling and testing of materials, equipment or construction work may be required
at the expense of the Contractor at the discretion of the Engineer for the purpose of
ascertaining that the work is in substantial conformance with this policy and the
approved construction documents. Sampling and testing shall conform to the
requirements of the sections of the Standard Specifications applicable to the portion
of the work suspected to be non-compliant or as directed by the Engineer.
E)Where the Engineer determines that is necessary to confirm compliance with
standards of quality or thickness, pavements shall be cored and tested at the expense
of the Contractor. The average thicknesses of all courses must equal or exceed the
minimum prescribed by the approved construction documents, and no single core
shall show a deficiency greater than one half inch (1/2") in any course or total
thickness from the pavement section indicated on the approved construction
documents.
F)Such inspections shall not be construed to relieve the developers' engineers or
contractors in any way from their obligations and responsibilities under their
contracts. Specifically, inspection by the Engineer, or by retained engineers or
testing agencies, shall not require them to assume responsibilities for the approved
construction documents, for any misinterpretation of the approved construction
documents by the contractors during construction, or for the means and methods of
construction, nor for safety on the job site.
G)Work identified to not meet the requirements of this policy or the approved
construction documents, unacceptable work, whether the result of poor workmanship,
use of defective materials, damage through carelessness, or any other cause found to
exist prior to the final acceptance of the work, shall be removed immediately and
replaced in an acceptable manner at the Contractor's expense.
H)If the Contractor fails to comply forthwith with any order made under the
provisions of this subsection, the Engineer will have authority to cause unacceptable
work to be remedied or removed and replaced; to cause unauthorized work to be
removed; and to deduct the costs from any monies due or to become due.
I)Work done contrary to instructions provided by the Engineer shall be considered
unacceptable and subject to immediate removal and replacement in accordance with
the instructions provided by the Engineer.
3)Acceptance
A)Before acceptance of any phase of construction, the Engineer shall determine if the
improvements are in substantial compliance with this policy (except for any variances
granted) and the approved construction documents
B)The Engineer may, at his sole discretion, accept work that is not in conformance with
this policy provided that the work is bonded for a period greater than three years. The
Engineer shall establish the extended bonding requirement.
(1)