HomeMy WebLinkAboutC11.0 - SpecificationsEARTHWORK
1. SCOPE OF WORK
A. Extent: The work required under this section
consists of all excavating, filling, rough grading
and related items necessary to complete the work
indicated on the drawings and described in the
s ecifications. The Contractor shall notif in writin
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the owners and the Engineer of any changes, errors
or omissions found on the plans or in the field
before work is started or resumed.
1. In eneral the items of work to be
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erformed under this section shall include:
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clearin and rubbin removal of trees and
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stumps (where required), protection of trees
to remain stri in and stora a of to soil
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fill com action and rou h radin of entire
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site.
8. EARTH WORK BALANCE
A. The Contractor shall confirm all earthwork quantities
prior to start of construction. If an excess or
shortage of earth is encountered, the Contractor
shall confirm with the Owner and Engineer the
requirements for stockpiling, removal or importing
of earth.
B. Minor adjustments to the grades may be required
to earthwork balances when minor excess material
or shorts es are encountered. It is reco nized
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b the arties hereto that the calculations of the
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the En ineer in determinin earthwork uantities
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shall be accomplished in accordance with the
American Societ of Civil En ineers Standards for
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such calculations. Further, that these calculations
are subject to the inter retations of soil borin s
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as the physical limits of the various soil types,
the allowable variation in finish grade and compaction
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ermitted the contractor and that all of these
2. Excavated material that is suitable may be parameters may cause either an excess or shortage
used for fills. All unsuitable material and of actual earthwork materials to complete the project.
all sur lus excavated material not re uired If such an actual minor excess or shorts a of
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shall be removed from the site. The materials occurs, the contractor shall contact the
location of dump and length of haul shall be Engineer to determine if adjustment can be made
the Contractor's responsibility. to correct the imbalance of earth.
3. Provide and lace an additional fill
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material from off the site as may be
necessary to produce the grades required.
Fill obtained from off site shall be of kind
and unlit as s ecified for fills herein
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and the source approved by the Owner.
4. The Contractor shall accept the site as he
TESTING
A. Contractor shall hire at Contractors ex ence an inde endent
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soil testin service to assure soil com action with sco e
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of testin to be a roved b En ineer. Co ies of test results
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shall be submitted to the Engineer.
finds R and shall remove all trash, rubbish SANITARY SEWER SYSTEMS
and debris from the site prior to starting
excavation.
B. Work not included: The following items of 1.
related work are specified and included in other
sections of these specifications:
1. Excavation, grading and backfilling for
utility lines
2. Storm drainage systems
3. Sanitary sewer systems
4. Streets and paving
5. Water supply system
2. BENCH MARKS
Maintain carefully all bench marks, monuments and other 2.
other reference points; if disturbed or destroyed,
Contractor shall contact engineer. Replacement shall
be at Contractor's expense.
3. REMOVAL OF TREES
A. Remove all trees and stumps from area to be
occupied by road and surfaced areas. Removal of
trees outside these areas shall only be done as
noted on drawings or approved by the Owner.
B. All brush, stumps, wood and other refuse from
the trees shall be removed to
disposal areas off of the site. Disposal by burning
shall not be permitted unless proper permits are
obtained (where applicable). The low
c.
4. PROTECTION OF TREES
A. General Protection: The Contractor shall be
responsible for the protection of tops, trunks
and roots of existing trees on the project site
that are to remain. Existing trees subject to
construction damage shall be boxed, fenced or
otherwise protected before any work is started;
do not stock ile within branch s read. Remove
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interferin branches without injur to trunks and
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cover scars with tree paint.
5. HANDLING OF TOPSOIL
A. Remove all or anic material from the areas
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to be occu ied b buildin s roads walks and
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arkin areas. Pile and store to soil at a location
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where it will not interfere with construction
operations. Topsoil shall be reasonably free from
subsoil, debris, weeds, grass, stones, etc..
B. After completion of site grading and subsurface
utilit installation to soil shall be re laced in
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areas designated on the erosion control plan for
seeding and/or sod. Any remaining topsoil shall
be used for finished grading around structures
and landscaping areas.
6. DISPOSITION OF UTILITIES:
A. Rules and regulations governing the respective
utilities shall be observed in executing all work
under this section.
B. If active utilities are encountered but not shown
shown on the drawings, the Engineer shall be
advised before work is continued.
C. Inactive and abandoned utilities encountered in
excavating and grading operations shall be
reported to the Engineer. They shall be removed,
plugged or capped as directed by the Utility
Company or the Engineer.
D. It shall be the responsibility of each contractor
to verify all existing utilities and conditions
pertaining to his phase of the work. It shall
also be the contractors res onsibilit to contact
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the owners of the various utilities before work
is started.
7. SITE GRADING:
A. Grades: Contractor shall perform all cutting,
filling, compacting of fills and rough grading
required to bring entire project area to grade as
shown on the drawings.
B. Rough Grading: the tolerance for paved areas
shall not exceed 0.10 feet plus or minus above
the established subgrade. All other areas shall
not exceed 0.10 feet plus or minus the
established grade. All banks and other breaks in
grade shall be rounded at top and bottom.
C. Compaction Requirements:
1. All areas under building pads and paved areas
shall be compacted to 100% standard proctor density.
2. All other fill areas shall be compacted to 90%
standard proctor density.
3. All areas where cut is necessary to meet the
design sub -grade are required to be scarified 12 inches
below sub -grade and meet the above compaction requirements.
SCOPE OF WORK
A. The work under this section includes all sanitary
sewers, manholes, cleanouts and related items including
excavating and backfilling, necessary to complete the
work shown in the drawin s startin five feet outside
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the building walls. The ends of sewers shall be tightly
plugged or capped at the terminal points, adjacent
to buildings, pending the connecting of all such lines
to the building drain as specified in the plumbing and
architectural drawin s. One set of "a roved" lans
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shall be on the job site at all times.
MATERIALS
A. Pol in Chloride Pie PVC
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1. 6"-15" PVC pipe shall be SDR 26 and conform to
ASTM D3034, with a minimum cell classification of
12454-B or 12454-C. Greater than 15" PVC
pipe shall conform to ASTM F679, with a minimum
cell classification of 12454 C.
2. All fittings and joints shall be compression
type flexible gasketed joints, and manufactured
and installed in accordance with the pipe
manufacturer's specifications. No solvent
cement joints shall be allowed.
B. Ductile Iron Pipe
1. Ductile iron (DI) pipe must meet ASTM A-746
or AWWA C151 with exterior asphaltic coating per
AWWA C151 and interior asphaltic coating meeting
AWWA C151 or polyethylene lining complying with
ASTM D-1248 of nominal 40 mil thickness. Thickness
design must be in accordance with AWWA C150.
2. Joint on DI pipe must be the integral bell type gasketed
joint meetin AWWA C111 mechanical joint MJ meetin
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AWWA C111, or ANSI 125 Ib. flanged joint. Accessories
for mechanical and flanged joints must be alloy steel
"T"-head bolt and hex nut of Coarce Thread Series Class
2A (External) and Class 2B (Internal) per ANSI B1.1.
C. Manholes
1. Precast reinforced concrete manhole sections
and ste s and concrete ad ustin rin s shall
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conform to ASTM C-478 latest revision. Exterior
of manhole shall be water roofed with Bismatic
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material.
2. Castings shall be of uniform quality, free
from blow holes, porosity, hard spots,
shrinkage distortion or other defects. They
shall be smooth and well -cleaned by shot-
blasting or by some other approved method.
They shall be coated with asphalt paint
which shall result in a smooth coating,
tow h and tenacious when cold not tack or
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brittle. They shall be gray iron meeting
ASTM A 48 latest revision. Manhole covers
for sanitary sewer shall be Neenah Type R-1077-A
w/R-1712-B-SP Frame w/Self-Sealing application.
3. Joints - Manhole sections shall be joined with
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a nominal 1 2" size but rubber rubber base
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asket material conformin to AASHTO M-198
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and Federal S ecification SS-S-210a. Joint
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conforms to ASTM C-443.
4. Manholes shall include steps. Manhole steps shall be
of ro ene coated steel reinforcin or an
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approved non -corrosive fiberglass material.
The co of er of ro ene shall meet the
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requirements of ASTM D-4101 with deformed
3/8 dia. or larger reinforcing steel conforming
to ASTM A-615, Grade 60. Steps shall be a
maximum of 18" from to 24" from bottom and
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16" s acin between.
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5. Manholes shall be bedded on a granular
foundation. The granular foundation shall be
com acted with vibrator tam s.
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3. APPLICATION
A. Permits and Codes - The intent of this section of
the specifications is that the contractor's bid on
the work covered herein shall be based upon the
drawings and specifications but that the work
shall comply with all applicable codes and
regulations as amended by any waivers. Contractor
shall furnish all bonds necessary to get permits
for cuts and connections to existing sewers.
The Contractor shall be responsible for obtaining
or verifying all permits for all or portions of
this project prior to starting construction. The
Contractor shall notify the local or county
inspector or utility superintendent 48 hours prior
to commencement of sanitary construction.
B. Local Standards - The term "local standards" as
used herein means the standards of design and
construction of the respective municipal
department or utility company.
C. Existing Improvements - Maintain in operating
condition all active utilities, sewers and other
drains encountered in the sewer installation.
Repair to the satisfaction of the owner any damage
to existing active improvements.
D. Workmanship - To conform to all local, state and
national codes and to be approved by all local
and state agencies having jurisdiction.
E. Trenching - Lay all pipe in open trenches, except
when the local authority gives written permission
for tunneling or jacking of pipe. Open the trench
sufficiently ahead of pipe laying to reveal any
obstructions. The width of the trench shall be
the inside pipe diameter plus 24 inches for 12
inches above the pipe. Sheet and brace the
trench as necessary to protect workmen and
adjacent structures. All trenching to comply with
Occu ational Safet and Health Administration
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Standards. 0 en trenches shall be ro erl
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protected and/or barricaded when left unattended.
Kee trenches free from water while construction
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is in ro ress. Under no circumstances shall
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pipe or appurtenances be laid in standing water.
Conduct the dischar a from trench dewaterin
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to drains or natural drainage channels.
F. Special Supports - Whenever, in the opinion of the
Engineer, the soil at or below the pipe grade
is unsuitable for supporting sewers and
a urtenances s ecified in this section such
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special support, in addition to those shown or
specified, shall be provided as the Engineer may
direct, and the contract will be adjusted.
G. Backfilling - for a depth of at least 12 inches
above the to of the i e backfill with 12" of
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#8 crushed stone or #8 fractured face aggregate.
Compact this backfill thoroughly, taking care not
to disturb the i e. For the remainin trench de th
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backfill with earth or ranular material containin
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stones or rocks not lar er than 4 inches. Backfill
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under and within 5' of walks, parking areas, driveways
and streets shall be granular material only - thoroughly
compacted, by approved methods.
H. Flow Channels - The flow channels within manholes
shall be an integral part of the precast base.
The channels shall be sha ed and formed for a
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clean transition with proper hydraulics to allow
the smooth conve ance of flow throw h the manhole.
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The bench wall shall be formed to the crown of the
inlet and outlet ies to form a "U" sha ed
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channel. The bench wall shall sloe back from the
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crown at 1/2 inch per foot to the manhole wall.
No brick, rock or sand fillers will be allowed.
I. Infiltration - The contractor shall furnish
necessary equipment to test sewers for
infiltration. Infiltration rates shall not exceed
the Local Standards. All sanitary sewer lines
upon completion will be required to pass a low
pressure air test, unless otherwise directed by
the City Engineer. Said test shall be
conducted according to NCPI Standard Method,
and shall be witnessed by an inspector authorized
by the City Engineer. Infiltration under
test shall not exceed 100 gallons per inch of
inside diameter of sewer pipe per mile of sewer
in 24 hours and is inclusive of all
appurtenances within the section being tested such
as manholes, house connections, etc.
Any portions not passing said tests for acceptance
shall be repaired or replaced, including re -excavation
and backfill at the Contractor's ex ense.
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J. Flushing Sewers - Flush all sanitary sewers except
building sewers with water to obtain free flow
through each line. Remove all silt and trash from
appurtenances just prior to acceptance of work.
K. Plastic Sewer Pipe Installation - Plastic sewer
pipe shall be installed in accordance with ASTM
D2321 per latest revision, and no plastic pipe
shall exceed an 11 point mandrel test deflection
of 5%. All sewer mains shall be lamped at the
time the mandrel test is conducted. All mains
shall be true to alignment and grade.
L. Storm Water Connections - No roof drains, footing
drains and/or surface water drains may be
connected to the sanitary sewer systems, including
temporary connections during construction.
M. Waterline Crossing - Water and sewer line crossings
and se arations shall be in accordance with Ten
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States Standards and local and state codes.
Waterlines and sanitary sewers shall maintain a
minimum of 10 foot horizontal se aration and a
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minimum 18 inches of clearance between pipes at
crossings. Otherwise, sanitary sewer within 10
feet of waterlines shall be constructed of water
works rade Ductile Iron Pie with mechanical
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joints and fittings. One length of sewer pipe
should be centered at the waterline crossin
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so that no joint is closer than 10 feet to the
waterline.
N. Utilities - It shall be the responsibility of
each contractor to verify all existing utilities
and conditions pertaining to his phase of the
work. It shall also be the contractors
responsibility to contact the owners of the
various utilities before work is started. The
contractor shall notif in writin the owners and
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the en ineer of an chan es errors or omissions
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found on these plans or in the field before work
is started or resumed.
0. Service Laterals - Individual buildin service lines
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shall be 6 inches in diameter and of material
equal to that specified in 2A of this section.
Service lines shall be connected to the main
sewer by a wye at locations generally shown
within these plans. Service lines shall be
extended to a distance of 5 feet be and the ri ht-
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of -way line and within 5-8' of the existing ground
surface. The ends shall be plugged and sealed
with a water ti ht ca . Sewer service lines shall
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be marked with a 2"x4" painted green and extending
from the lateral end to 3' above grade.
P. New Sanitary Sewer Main Construction - Contractor
shall record length and dimensions of each service
line stub from nearest downstream manhole measure
along the sanitary sewer main. The locations of
manholes and service lines alon with an other
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construction changes are to be incorporated on
the original construction drawings as 'as built"
locations and submitted to the En ineer as soon
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after completion of construction as possible, not
to exceed 30 days.
Q. Field Testing - All manholes must be vacuum tested
after installation, repair or modification in accordance
with ASTM C1244-93 Standard Test Method for Concrete
Sewer Manholes by Negative Air Pressure (Vacuum) Test.
STORM SEWER SYSTEMS
1. SCOPE OF WORK
The work under this section includes all storm sewers,
storm water inlets, and related items, including
excavating and backfilling, necessary to complete the
work shown on the drawings. All work and materials shall
meet local specifications.
2. MATERIALS
A. Storm Sewers
1. Reinforced concrete sewer pipe shall conform
to ASTM C-76 latest revision, with joints
conforming to ASTM C-443 latest revision when
storm pipe is located within public right-of-way.
2. Aluminized type 2 corrugated steel pipe shall
be manufactured in accordance with AASHTO M36
(tyke I with 2 2/3" x 1/2" corrugations for
12 and 15" diameters; type IR with 3/4" x
3/4" x 7 1/2" corrugations for 18" diameter
and larger). The pipe shall be formed from
an aluminized steel type 2 coil that conforms
to AASHTO M274. The minimum gage thickness of
the pipe shall be as follows:
Diameter Gaae
12" - 36" 16
42" - 48" 14
54" - 84" 12
3. Hi h densit of eth ene i e shall erform
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to AASHTO M252 and M294 T e S s ecifications
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latest revision and shall have material
s ecifications conformin to ASTM D1248 or
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D3350 latest revision.
B. Manholes
1. Precast reinforced concrete manhole sections
and steps shall conform to ASTM C-478 latest
revision.
2. Castin shall be of uniform ualit free
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from blow holes, porosity, hard spots,
shrinkage distortion or other defects. They
shall be smooth and well cleaned b shot
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-blasting or by some other approved method.
They shall be coated with asphalt paint
which shall result in a smooth coatin
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tough and tenacious when cold, not tacky or
brittle. They shall be gray iron meeting
ASTM A-48 latest revision.
3. Joints - Manhole sections shall be jointed
with rubber type gaskets. The rubber type
gaskets shall meet ASTM C-443 latest
revision. When manhole and storm pipe are
continuously in water.-
4. Shop Drawings Contractor to submit storm sewer
structure recast drawin s to en ineer fora roval rior
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to installation.
C. SUBDRAINS
1. Perforated plastic pipe subdrains shall conform
to ASTM F-405, AASHTO M-252 (4" to 10" pipe).
3. APPLICATION -
A. Permits and Codes The intent of this section of
the s ecifications is that the contractor's bid on
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the work covered herein shall be based upon the
drawings and specifications but that the work
shall comply with all applicable codes and
regulations as amended by any waivers. Contractor
shall furnish all bonds necessary to get permits
for cuts and connections to existing sewers.
Contractor shall notify the local governing jurisdiction
a minimum of 72 hours prior to the commencement
of storm sewer construction.
B. Local Standards - the term "Local Standards" as
used herein means the standards of design and
construction of the respective municipal
department or utility company.
C. Existing Improvements - Maintain in operating
condition all active utilities, sewers and other
drains encountered in the sewer installation.
Repair to the satisfaction of the owner any damage
to existing active improvements.
D. Workmanship - To conform to all local, state and
national codes and to be approved by all local and
state agencies having jurisdiction.
E. Trenching - Lay all pipe in open trenches, except
when the local authority gives written permission
for tunneling. Open the trench sufficient ahead
of pipe laying to reveal any obstructions. The
width of the trench shall be the inside i e
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diameter plus 24 inches for 12 inches above the
i e. Sheet and brace trench as necessar to
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protect workmen and adjacent structures. All
trenching to comply with Occupational Safety and
Health Administration Standards. Keep trenches
free from water while construction is in progress.
Under no circumstances lay pipe or appurtenances
in standing water. Conduct the discharge from
trench dewatering to drains or natural drainage
channels.
F. Special Supports - Whenever in the opinion of the
Engineer the soil at or below the pipe grade is
unsuitable for supporting sewers and appurtenances
specified in this section, such special support,
in addition to those shown or specified, shall be
provided as the Engineer may direct, and the
contract will be adjusted.
G. Backfilling - for a depth of at least 12 inches
above the top of the pipe, backfill with earth or
granular material free from large stones, rock
fragments, roots or sod. Tamp this backfill
thorou hl takin care not to disturb the i e.
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For the remaining trench depth, backfill with earth
or ranular material containin stones or rocks not
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lar er than 4 inches. Backfill under and within 5'
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of paved areas shall be granular material only and
shall conform to local standards -
thoroughly compacted by approved methods.
H. Manhole Inverts - Construct manhole flow channels
of concrete sewer pipe or brick, smoothly finished
and of semicircular section conforming to the
inside diameter of the connecting sewers. Make
chan es in size or rade raduall and chan es in
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direction b true curves. Provide such channels
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for all connectin sewers at each manhole.
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I. Subdrains - All subdrains shall be of the size
shown on the lans and shall be constructed to the
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grades shown. All drains constructed off -site as
part of the outlet drain will be located as shown.
J. Utilities - It shall be the responsibility of each
contractor to verif all existin utilities and
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conditions pertaining to his phase of the work.
It shall also be the contractors responsibility to
contact the owners of the various utilities before
work is started. The contractor shall notify in
writing the owners or the engineer of any changes,
errors or omissions found on these plans or in the
field before work is started or resumed.
STREETS AND PAVING
1. SCOPE OF WORK
A. The work required under this section includes all
concrete and bituminous paving and related items
necessary to complete the work indicated on drawings
and described in the s ecifications includin but not
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limited to:
All streets, parking areas in contract limits
Sidewalks and concrete slabs, exterior steps.
2. MATERIALS
i) Prior to beginning excavation and embankment operations, all necessary clearing, grubbing, scalping and topsoil stripping
A.
Concrete - Concrete shall be ready -mixed concrete
and subsequent backfilling for removed items within the slope stake limits shall be performed in accordance with Section
and shall be a mix of proportioned fine and coarse
201.03 and 201.04 of the Standard Specifications. All topsoil, vegetation, roots, stumps, friable and deleterious material shall
aggregates with Portland cement and water.
be completely removed within the limits of the slope stakes.
Minimum cement content shall be 6 bags per cubic
ii) Excavations
yard of concrete and maximum water content shall
be 5.5 U.S. gallons per sack of cement, including
1 After excavation o erations, all s on and eldin material that does not readil com act shall be removed from within
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moisture in the aggregate. Slump for normal weight
the slope stake limits and the resulting void shall be refilled with suitable material and compacted in accordance with Section
concrete shall be a maximum of 4 inches and a
203 of the Standard Specifications.
minimum of 2 inches. The slump of machine place
(2) Any pronounced depressions within the slope stake limits resulting after excavation operations shall be refilled with
concrete shall be no less than 1-1/4 inches nor
suitable material and compacted in accordance with Section 203 of the Standard Specifications.
more than 3 inches. Standard test ASTM C-143
iii) Embankments
shall be used to measure slum . Com ressive
strength of concrete at 28 days shall be 4,500 psi.(MIN)
(1) Embankments shall be constructed in accordance with Section 203 of the Standard Specifications.
All exterior concrete shall have air entrainment of
(2) All spongy and yielding material that does not readily compact shall be removed from within the slope stake limits prior
3% to 7% by volume per ASTM C-260 & C-96. Retempering
to embankment operations.
delivered concrete will not be allowed. Concrete shall
(3) Any pronounced depressions within the slope stake limits resulting after clearing, grubbing, scalping and topsoil removal
be com osed of:
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shall be refilled with suitable material and compacted in accordance with Section 203 of the Standard Specifications prior to
1. Portland cement - Conforming to ASTM C-150,
Type IA or Type IIIA.
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.
2. Aggregates: Conforming to ASTM C-33
(5) Embankments shall be shaped to be well drained and shall be protected to prevent erosion.
6 Loose de th of each embankment lift final com acted de th com action method and com action re uirements shall be
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3. Water - Shall be clear and free from
in accordance with Section 203 of the Standard Specifications.
injurious amounts of oils acids alkalis
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C) Soil Subgrades
organic materials or other deleterious
substances.
i) Subgrades shall be installed on foundations constructed in accordance with Section 2(A) and Section 2(B) of this policy
and onl after the installation of all utilities and subsurface drains indicated on the a roved construction documents to be
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B.
Welded Steel Wire Fabric - Where required for
located under the pavement are completed. Trench backfilling work of these installations shall be in accordance with the City
concrete reinforcement shall conform to ASTM A185 Gr60
of Carmel Trench Backfilling specifications.
ii The sub rode shall be sha ed to the re uired rade and sections free from all ruts corru ations or other irre ularities.
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C.
Premoulded Joint Filler -Shall be of non
-extruding type meeting ASTM D-544 except that
iii The sub rade shall be uniform) re ared com acted and a roved in accordance with Sections 207.02 207.03 and
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premoulded joint filler used in concrete walk
207.04 of the Standard Specifications.
construction may be either non -extruding or
iv) Subgrades shall be inspected and approved by the Engineer before any aggregate base or concrete curbs are constructed.
resilient.
A roofroll shall be conducted in accordance with Section 203.26 of the Standard S ecifications. Unacce table areas shall be
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corrected to the satisfaction of the En ineer before the lacement of an A re ate Base or concrete curbin .
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D.
Bituminous Pavement Materials - All materials
v At the discretion of the En ineer Sub rade that has satisfactoril assed a roofroll but remains uncovered fora eriod
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proposed for the construction of bituminous
avements shall com I with the Indiana De artment
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of 14 calendar days prior to placing Aggregate Base or concrete curbing or is subject to a measurable rain event prior to
of Transportation specifications, per latest
placing Aggregate Base or concrete curbing, shall be subject to additional proof rolls prior to placement of the Aggregate
revision.
Base or concrete curbing.
3) Aggregate Bases
E.
Compacted Aggregate Subbase: Shall be crushed
A) General
stone or gravel. Crushed gravel shall be a
i) This work shall consist of placing a compacted Aggregate Base on a prepared soil subgrade in accordance with Section
minimum of 35% crushed material. Chert shall be
105.03 of the Standard Specifications.
limited to a maximum of 8% of the total. Material
shall be free from an excess of flat, elongated,
ii) Aggregate Base materials shall be in accordance with Section 301.02 of the Standard Specifications.
thinly laminated, soft or disintegrated pieces;
iii) The Aggregate Base material shall be obtained from a Certified Aggregate Producer in accordance with Section 917 of the
and shall be free from fragments coated with dirt.
Standard Specifications.
Compacted aggregate shall be graded as follows:
iv) The Aggregate Base material shall be handled and transported to, and on, the work site in a manner that minimizes
SIEVE SIZE % PASSING
segregation and moisture loss.
v) Aggregate Bases shall be constructed on approved soil subgrades and to thicknesses equal or greater than those indicated
1-1 2" 100
/
on the approved construction documents.
1" 80-100
B) Temperature and Seasonal Limitations
3/4� 70_90
i) The Aggregate Base shall be placed in accordance with the temperature limitations of Section 301.04 of the Standard
1/2 55 80
Specifications.
#4 35-60
#8 25-50
ii) Frozen material shall not be placed.
#30 12-30
iii) Aggregate Bases must be placed and pass proof roll prior to November 30 in order to allow paving in accordance with
#200 5-10
Section 4C(iv) of this policy.
C) Preparation
i) The prepared soil subgrade shall be free from objectionable or foreign materials at the time of placement.
3. APPLICATION
ii) The subgrade shall be subject to additional proof rolls in accordance with Section 203.26 of the Standard Specifications
A.
Grading - Do any necessary grading in addition to
just prior to placing the Aggregate Base on the subgrade in accordance with Section 2C(v) of this policy. Unacceptable areas
that performed in accordance with Earthwork
shall be corrected to the satisfaction of the Engineer before any Aggregate Base is placed.
Section, to bring subgrades, after final
D) Spreading and Finishing
compaction, to the required grades and sections
i) The Aggregate Base shall be spread in accordance with Section 301.05 of the Standard Specifications.
for site improvement.
ii) The Aggregate Base shall be compacted in accordance with Section 301.06 of the Standard Specifications.
B.
Preparation of Subgrade - Remove spongy and
iii) Concrete curb shall be placed over the Aggregate Base within 14 calendar days. Aggregate Bases that lay exposed for a
otherwise unsuitable material and replace with
period of time greater than 14 calendar days or experience a measurable rain event prior to the placement of concrete curb
stable material. No traffic will be allowed on
shall be subject to inspection and acceptance by the Engineer. At the discretion of the Engineer, additional proof rolls may
prepared subgrade prior to paving.
be required.
4) Concrete Curb
C.
Compaction of Subgrade - The first 12 inches below
A) General
the subgrade shall be compacted to at least 100%
of the maximum dry density as determined by the
i) This work shall consist of placing concrete curbing on prepared soil subgrades or Aggregate Bases in accordance with
provisions of AASHTO T-99. Water shall be
Section 105.03 of the Standard Specifications.
prevented from standing on the compacted subgrade.
ii) Concrete curb shall be constructed on prepared soil Subgrades or Aggregate Bases to the dimensional standards of the
D.
Compacted Aggregate Subbase -the thickness shown
applicable City of Carmel Standard Details or in accordance with the curbing details of the approved construction documents.
iii Materials used in the roduction of the concrete for the curbin shall be in accordance with Section 605.02 of the
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on the drawin s is the minimum thickness of the
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fully compacted subbase. Compaction shall be
Standard S ecifications. Hi h earl stren th admixtures ma be utilized but shall not be considered in waivin an
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accomplished by rolling with a smooth wheeled
requirements of this policy. Freeze protection admixtures shall not be utilized under any circumstances.
roller weighing 8 to 10 tons. Compact to 95%
iv E ui ment utilized for concrete curbin installation work includin but not limited to roduction haulin deliver lacin
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standard proctor density (ASTM D698)
installation, jointing, curing, finishing and miscellaneous/ancillary activity shall be in accordance with Section 508 of the
Along curbs, headers and walls and at all placed
Standard Specifications.
not accessible to the roller the a re ate
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v) Concrete production, mixing and hauling/delivery shall be in accordance with Section 502.10 of the Standard Specifications.
material shall be tamped with mechanical tampers
or with approved hand tampers.
vi Installation of the concrete curbin indicated on the a roved construction documents shall be com leted in the same
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paving season.
E.
Bituminous Pavement -Hot asphalt concrete
B Pre aration
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pavement shall be as specified in Section 400-410
i) The soil subgrade or Aggregate Base shall be subject to additional proof rolls in accordance with Section 203.26 of the
of the Indiana De artment of Trans ortation
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Standard Specifications just prior to placing the HMA courses in accordance with Section 2C(v) and 3D(iii) of this policy.
Specifications latest revisions. Paving will not
Unacceptable areas shall be corrected to the satisfaction of the Engineer before placement of any concrete curbing.
be ermitted durin unfavorable weather or when
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the temperature is not in compliance with section
ii) All displacement or rutting of the soil subgrade or Aggregate Base shall be repaired prior to placing concrete curbing.
401.05 of the INDOT Specifications.
C) Weather and Seasonal Limitations
i Concrete curbin shall onl be laced in accordance with Section 502.11 of the Standard S ecifications with the exce tion
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F.
Utility Structures - Check for correct elevation
that placement operations shall not begin until the ambient temperature is 50°F and rising. Placement operations shall be
of all manhole covers, valve boxes and similar
discontinued when the ambient temperature is descending and is 50°F or below. At the discretion of the Engineer, concrete
structures located within areas to be paved, and
may be placed at ambient temperatures less than noted above provided that placement, jointing, finishing and curing
make, or have made, any necessary adjustments in
such structures.
operations conform to Sections 502.11 and 702.11 of the Standard Specifications.
ii) No mixture shall be placed on a frozen subgrade or Aggregate Base.
G.
Placing Concrete
iii) Under no circumstances shall concrete curb be placed between December 15 and March 30.
iv) If a soil subgrade or Aggregate Base over which concrete curb is to placed, is placed and approved by the City prior to
1. Shall conform to the City of Carmel curbing policy.
November 30, placement of the concrete curb will be allowed up to December 15, provided that the ambient and soil
sub rade or A re ate Base surface tem erature com lies with the re uirements of Section 4C i of this olic and the
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H.
Concrete Curb
paving contractor pay for the services of a full time construction inspector and who shall act as an authorized agent of the
CITY
OF CARMEL CONCRETE CURB POLICY
Engineer. The Engineer shall select the construction inspector.
December 13, 2006
1) General
A The work subject to the re uirements of this olic shall include the roduction haulin deliver excavation for lacin installation 'ointin
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curing, finishing, and other work necessary to prepare foundations and soil subgrades, install aggregate bases and install concrete curbing within
ro ert within the cor orate limits of the Cit of Carmel and existin or ro osed ri ht-of-wa .
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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-acce tance of the work or other remedies outlined in this olic .
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C Workmanshi materials and ualit of the work com leted shall conform to the 2006 Standard S ecifications of the Indiana De artment of
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Trans ortation hereinafter referred to as Standard S ecifications exce t where deviations are allowed ors ecified herein or variances are ranted.
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D Where the minimum standards of an other overnmental a enc havin concurrent jurisdiction exceed these standards the hi her standards shall
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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:
i) 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.
1) 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.
L) At the sole discretion of the Engineer, the portions of this policy related to inspections and testing of work subject to the requirements of this
policy outside of the right-of-way shall be determined at the pre -construction meeting.
M) Dimensional and other standards for concrete curb shall be in accordance with the City of Carmel Standard Details.
N) Under no circumstances shall material other than Portland Cement Concrete meeting the standards established by this policy be utilized to
construct concrete curbs within the corporate limits of the City of Carmel.
0) Under no circumstances shall extruded type curb be installed within the corporate limits of the City of Carmel.
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.
ii) The foundation shall be prepared in accordance with Section 605.03(a) of the Standard Specifications and the requirements of this policy.
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.
v) If the ambient and soil subgrade or Aggregate Base surface temperature complies with the requirements of Section
4C(i) of this policy between April 1 and April 15, concrete curb shall be allowed to be placed on an approved soil subgrade
or Aggregate Base provided that the paving contractor pay for the services of a full time construction inspector and who
shall act as an authorized a ent of the En ineer. The En ineer shall select the construction ins ector.
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vi) The Engineer reserves the right to suspend all concrete curb placement 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 concrete curb placement, curing and finishing.
D) Placement
i) Concrete curb shall be placed in accordance with Section 502.09, 502.12 and 605.04(c) and 605.04(d) of the Standard
Specifications.
ii Curb machines ma be utilized in accordance with Section 605.04 c and 605.04 h of the Standard S ecifications
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provided that the equipment conforms to the requirements of Section 508 of the Standard Specifications.
iii) Formwork shall comply with the requirements of Section 605.04(b) of the Standard Specifications.
iv) Forms shall be removed in accordance with Section 502.16 and 605.04(b) of the Standard Specifications.
E Joints
i) Joints shall conform to the requirements of Section 503 and 605.04(e) of the Standard Specifications.
ii) Joints shall be installed at intervals of 10-feet or less; 5-foot or less along radii. Joints in integral curb and sidewalks
shall be located at the same location as the joints in the adjoinin sidewalk. Joints ma be sawed or tooled to a minimum
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depth of ilh-inch.
iii Preformed ex ansion joints shall be laced at intervals of 50-feet or less at all castin s the be innin and end of all
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curb returns, the end of each days work and where abutting existing construction. In addition to these requirements,
expansion joints in integral curb and sidewalks shall be located at the same location as the expansion joints in the
adjoining sidewalk.
F) Finishing and Curing
i) The concrete curb shall be finished and cured in accordance with Section 502.14, 502.15, 504 and 605.04(f) of the
Standard Specifications. -
ii Curin com ound shall be a lied to all ex osed surfaces on sli formed concrete curb. For formed concrete curb
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curing compound shall be applied to all exposed surfaces including sides after any forms are removed.
iii) The concrete curb shall be allowed to cure for a minimum of 5-days prior to commencing backfilling operations
adjacent to the concrete curbing.
G) Backfilling
i) The spaces adjacent to the concrete curb shall be backfilled in accordance with Section 605.04(g) of the Standard
Specifications only after the concrete curbing is inspected and accepted by the Engineer in accordance with Section 5 of
this policy.
ii) Backfilling operations shall be completed prior to opening the area to regular construction traffic.
5) 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 The Contractor and En ineer will conduct an ins ection of the new concrete curbin for an dams a includin freezin
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or random cracks. The inspection and all necessary repairs shall be completed prior to backfilling operations.
E) 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.
F) Where the Engineer determines that is necessary to confirm compliance with standards of quality or thickness, concrete
curb shall be cored and tested at the expense of the Contractor. The average thicknesses of the curb must equal or
exceed the minimum prescribed by the approved construction documents.
G) 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.
H) 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.
1) 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.
J) 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.
6) Acceptance
A Before acce tance of the concrete curb the En ineer shall determine if the im rovements are in substantial com liance
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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.
UTILITIES
1. WATER
A. All water mains shall be installed and tested in accordance
with local standards and requirements.
2. GAS
Gas mains shown in the plans are for information only. The local gas
utility is responsible for final design and installation of new gas mains.
3. OTHER UTILITIES
Electric, Telephone, and CAN lines shown in the plans are for information
only. The local utility companies are responsible for final design and installation
of their respective utility lines.
I. Concrete Walks and Exterior Steps
4.
IDENTIFICATION /LOCATION
1. Slo es - Provide 1 4 inch er foot cross
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slope. Make adjustments in slopes at walk
Furnish and install "Identification Tape" and "Location Wire" over the
intersections as necessar to rovide ro er
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centerline of buried utilities.
drains e.
9
A. Identification Tape
2. Dimensions - Walks and steps shall be one
course construction and of widths and details
1. Inert Pol eth ene with minimum thickness of 4-mils and shall have
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shown on the drawin s.
9
a 1-mil thick metallic foil core. Ta a width shall be a minimum of
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3-inches and a maximum of 6-inches. Imprinted text shall be
3. Finish - Screed concrete and trowel with a
"Caution Caution - Utility Buried Below" and should repeat itself once
steel trowel to a hard dense surface after
every 2 feet, for the entire pipe length. Install approximately 2 feet
surface water has disappeared. Apply medium
broom finish and scribe control joints at 5
below final grade over centerline of pipe.
foot spacing. Provide 1/2" expansion joints
2. "Terra Tape" as manufactured by Reef Industries, Inc., Houston, TX,
where sidewalks intersect, and at a maximum
or approved equal.
spacing of 48 feet between expansion joints.
B. Location Wire
J. Curing Concrete - Except as otherwise specified,
1. Location wire shall be a 12 gauge insulated, solid copper wire.
cure all concrete by one of the methods described
in Section 501.17 of the Indiana Department of
The wire shall be contiguous with no fabricated, or field constructed
Trans ortation S ecifications, latest revision.
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connections interrupting the wires continuity from end to end of pipe.
K. Finish Pavement Grade - The tolerance for paved areas
2. Location wire shall be installed no greater than 6-inches in height
shall not exceed 1/2-inch t from finished grade as shown on
above the top of the buried pipe.
the design plan. Under no circumstances will "bird baths"
holding 1/4-inch of stormwater be accepted by the
engineer/owner and contractor will be required to
repair/replace/repave the area at no additional cost to owner.
PER INDOT SPECIFICATION SECTION 215-"CHEMICAL
MODIFICATION OF SOILS":
215.01 - DESCRIPTION
THIS WORK SHALL CONSIST OF THE MODIFICATION OF SOILS BY UNIFORMLY MIXING DRY PORTLAND CEMENT, FLY ASH, LIME, OR A COMBINATION
OF THE MATERIALS WITH SOIL TO AID IN ACHIEVING
THE WORKABILITY OF SOILS HAVING AN EXCESSIVE MOISTURE CONTENT.
215.02 - MATERIALS
215.03 - TESTING AND MIX DESIGN
215.04 - STORAGE AND HANDLING
215.05 - WEATHER LIMITATIONS
215.06 - PREPARATION OF SOILS
215.07 - SPREADING OF CHEMICAL MODIFIERS
215.08 - MIXING
215.09 - COMPACTION
215.10 - MEASUREMENT
215.11 - BASIS OF PAYMENT
SECTION 913 -"SOIL TREATMENT MATERIALS":
913.01 - WATER
913.02 - CALCIUM CHLORIDE
913.03 - SODIUM CHLORIDE
913.04 - LIME
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PROJECT NUMBER
HHR.002
DRAWING NUMBER
C11.0
SHEET 10 OF 12
DWN BY:
KPB
CHKD. BY:
EAG
SCALE:
1 "
= 30'
DATE:
12
11 19