HomeMy WebLinkAbout05050028.8EARTHWORK
8. Earth Work Balance
The Contractor shall confirm all earthwork quantities
J. Flushing Sewers -Flush all sanitary sewers except
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G. Backfilling - for a depth of at least 12 inches
above the top the pipe. backfill with earth or
3. Placing Concrete - Concrete shall be
deposited so as to require as little
prior to start of construction. If on excess or
is the Contractor
building sewers with water to obtain free flow
through each line. Remove all slit and trash from
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granular material free from large stones, rock
fragments, roots or sod. Tamp this backfill
rehandling as practicable. When concrete is
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be placed at al atmospheric temperature of
1. SCOPE OF WORK
shortage of earth encountered, shall
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confirm with the Owner and Engineer the requirements
appurtenances just prior to acceptance of work.
thoroughly, taking care not to disturb the pipe.
35 degrees F. or less, paragraph 702.10 of
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A. Extent: The work required under this section
for stockpiling, removal or importing of earth.
K. Plastic Sewer Pie Installation - Plastic sewer
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For the remaining trench depth, backfill with
earth or granular material containing stones or
the Indiana Department of Transportation
Specifications latest revision shall be
consists of all excavating, fillip rough radii
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and related items necessary to complete the work
Minor adjustments to the grades may be required to
pipe shall be installed in a accordance with ASTM
D2321 per latest revision and no plastic pipe
rocks not larger than 4 inches. Backfill under
followed.
indicated on the drawings and described in the
specifications. The Contractor shall notify in
earthwork balances when minor excess material or
shortages are encountered. It is recognized by the
shall exceed a deflection of 571:.
and within 5 of walks, parking areas, driveways
and street shall be granular material only -
F. Concrete Curb
writing the owners and the Engineer of any changes,
parties hereto that the calculations of the Engineer
L. Storm Water Connections - No roof drains, footing
thoroughly compacted by approved methods.
1. Expansion Joints - Shall be 1/2 inch thick
errors, or omissions found on the plans or in
the field, before work is started or resumed.
in determining earthwork quantities shalt be ac-
complished in accordance with the American Society of
drains and /or surface water drains may be
connected to the sanitary sewer systems, including
H. Manhole Inverts - Construct manhole flow channels
P remoulded between storm structures &curb.
Civil Engineers Standards for such calculations.
Further, that these calculations are subject to the
temporary connections during construction.
of concrete sewer pipe or bride, smoothly finished
and of semi - circular section conforming to the
2. Contraction /Control Joints - Unless otherwise
1. In general, the items of work to be
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interpretations of soil borings as the physical limits
of the various soil types, also the allowable variation
M. Waterline Crossin - Where water lines and
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inside diameter of the connecting sewers. Make
changes in size or grade gradually and changes in
provided, contraction joints shall be sawed
or scored joints spaced 10 feet on center, except or
performed under this action shall include:
clearing and grubbing, removal of trees and
in finish grade and compaction permitted the contractor,
sanitary sewers cross and water lines cannot be
Placed above the sewer with a minimum of 18 inches
direction by true curves. Provide such channels
intersection radii where its shall be laced 5' o.c.
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stumps where required), rotection of trees
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and that all of these parameters may cause either an
vertical clearance, the sewer must be constructed
for all connecting sewers at each manhole
3. Finish -Tamp and screed concrete as soon as
to remain, stripping and storage of topsoil,
fill compaction and rough radii of entire
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excess or shortage of actual earthwork materials to
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complete the project. If such an actual minor excess or
of water works grade ductile iron pipe with
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mechanical Joints within 10 feet of the water
I. Sshownns -All
and shall be of the size
laced, and fill an hone combed laces.
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Finish square comers to 1 4" radius and
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site.
shortage of materials occurs, the contractor shall
contact the engineer to determine if adjustment can be
line.
shown on the plans and shall be constructed to the
lane
grades shown. All drains constructed off -site as
other comers to radii shown.
2. Excavated material that is suitable may be
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made to correct the imbalance of earth.
N. Utilities - It shall be the responsibility of
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part of the outlet drain will be located as shown.
G. Concrete Walks and Exterior Steps
used for fills. All unsuitable material and
each contractor to verify all existing utilities
J. Utilities - It shall be the responsibility of each
all surplus excavated material not required
and conditions pertaining to his phase of the
contractor to verify all existing utilities and
1. Slopes - Provide 1/4 inch per foot cross
shall be removed from the site. The
work. It shall also be the contractors
conditions pertaining to his phase of the work.
slope. Make adjustments in slopes at walk
location of dump and length of haul shall be
responsibility to contact the owners of the
It shall also be the contractors responsibility to
intersections as necessary to provide proper
the Contractor's responsibility.
SANITARY SEWER SYSTEMS
various utilities before work is started. The
contact the owners of the various utilities before
drainage.
3. Provide and place any additional fill
contractor shall notify in writing the owners and
the engineer of any changes, errors or omissions
work is started. The contractor shall notify in
writing the owners or the engineer of any changes,
2. Dimensions - Walks and steps shall be one
material from off the site as may be
1. SCOPE OF WORK
found on these plans or in the field before work
errors or omissions found on these plans or in the
course construction and of widths and details
necessary to produce the grades required.
Fill obtained from off site shall be of kind
The work under this section includes all sanitary
is started or resumed.
field before work is started or resumed.
shown on the drawings.
and quality as specified for fills herein
and the source approved by the Owner.
sewers, manholes, deanouts and related items including
excavating and badkfllling, necessary to complete the
0. Service Laterals - Individual lot service lines
shall be 6" in diameter and of material equal to
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K. Contractor to grout joints inside storm
3. Finish - Screed concrete and trowel with a
trowel to a hard dense surface after
work shown in the drawings, starting five feet outside
that specified in 2A of this section. Service
structures where pipes enter or exit
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and between structure and casting.
steel
surface water has disappeared. I medium
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4. The Contractor shall accept the site as he
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the bulldin walls. The ends of sewers shall be
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lines shall be connected to the main sewer b a
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broom finish and scribe control Joints at 5
finds it and shall remove all trash, rubbish
tightly plugged or capped at the terminal points,
wye at locations shown on plan & profile sheets.
foot spacing. Provide 1/2" expansion joints
and debris from the site prior to starting
adjacent to buildings, pending the connecting of all
Unless otherwise noted, lateral ends shall be extended
where sidewalks intersect, and maximum
excavation.
such lines to the building drain as specified in the
to edge of easement. Location of laterals shall be
spacing of 48 feet between expansion joints.
plumbing specifications and architectural drawings.
marked on curb by stamping cuff with "SA" at time
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B. Work not included: The following items of
of curb placement. Letters shall be 2" in height
STREETS
H. Curing Concrete - Except as otherwise specified,
related work are specified and included in other
2. MATERIALS
& painted with green paint after concrete is cured.
cure all concrete by one of the methods described
sections of these specifications:
Ends of lines shall be marked with a wood 4x4
in Section 501.17 of the Indiana Department of
A. Sanitary Sewers
painted green.
1. SCOPE OF WORK
Transportation Specifications, latest revision.
1. Excavation, grading and Backfilling for
utility lines
1. All gravity plastic sewer pipe and fittings
shall conform to ASTM D3034, SDR -35 and meet
P. New Sanitary Sewer Main Construction - Contractor
shall record dimensions of each service line stub
The work required under this section includes all
I. Bituminous Pavement - Hot asphalt concrete
Pavement shall be as specified in Section 403 of
2. Storm drainage systems
a cell classification of 12454 B in
accordance with ASTM 1784.
from nearest downstream manhole measured along
the sanitary sewer main. The locations of
on
concrete and bituminous paving and related items
necessary to complete the work indicated on drawings
the Indiana Department of Transportation
latest Paving will not
3. Sanitary sewer systems
manholes and service lines along with any other
and described in the specifications, including ut not
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Specifications revisions.
be permitted during unfavorable weather or when
B. Manholes
construction changes are to be incorporated on
"Record
limited to:
the temperature is 40 degrees F. and falling.
4. Streets and paving
1. Precast reinforced concrete manhole sections
the orie,�inal construction drawings and
Drawing prints submitted to the City of Carmel
All streets, parking areas in contract limits
J. Compacted Aggregate Subbase - the thickness shown
5. Water supply system
and steps shall conform to ASTM C -478 latest
and the engineer as soon after completion of
Curbs and gutters
Sidewalks and concrete slabs. exterior steps
on the drawings is the minimum thickness of the
revision'
construction as possible.
fully compacted subbase. Compaction shall be
2. BENCH MARKS
2 Castings shall be of uniform quality, free
2. MATERIALS
accomplished by rolling with a smooth wheeled
roller weighing 8 to 10 tons. Compact to 90%
Maintain carefully all bench marks, monuments and other
reference points; if disturbed or destroyed, contractor
from blow holes, porosity, hard spots,
shrinkage distortion or other defects. They
A. Concrete - Concrete shall be ready -mixed concrete
compaction using Standard Testing Procedures.
Along curbs, headers and walls and at all placed
shall contact engineer.
shall be smooth and well - cleaned by shot-
blasting or by some other approved method.
STORM SEWER SYSTEMS
and shall be a mix of proportioned fine and
coarse aggregates with Portland cement and water.
the roller, the aggregate
not accessible the
3. REMOVAL OF TREES
They shall be coated with asphalt paint
1. SCOPE OF WORK
Minimum cement content shall be 6 bags per cubic
material shall a with mechanical tampers
or with approved hand tampers.
which shall result to a smooth coating,
yard of concrete and maximum water content shall
A. Remove all trees and stumps from area to be
occupied by road and surfaced areas. Removal of
tough and tenacious when cold, not tacky or
brittle. They shall be gray iron meeting
The work under this section includes all storm sewers,
storm water inlets, and related items, including
be 5.5 U.S. gallons per sack of cement, including
moisture in the aggregate. Slump for normal
trees outside these areas shall only be done as
noted on drawings or approved by the Owner.
ASTM A -48 latest revision. Manhole covers
for sanitary sewer shall be Neenah Type
excavating and backfilling, necessary to complete the
work shown on the drawings.
weight concrete shall be a maximum of 4 inches
and a minimum of 2 inches. the slump of machine
CARMEL SPECIFICATIONS
R- 1772 -A with f" concealed pickhole.
placed concrete shall be no less than 1 -1/4
B. All brush, stumps, wood and other refuse from the
2. MATERIALS
inches nor more than 3 inches. Standard test
trees shall be buried onsite or removed to disposal areas
off of the site. Disposal by burning shall not
3. Joints - manhole sections shall be jointed
with sealed "o" rings. The "o" rings shall
A. Storm Sewers
ASTM C -143 shall be used to measure slump.
Compressive strength of concrete at 28 days shall
STORM SEWERS
be permitted unless proper permits are obtained
meet ASTM C -443 latest revisions.
be 4000 psi. All exterior concrete shall have
air entrainment of 5% to 8% by volume per ASTM C
Bedding, Haunchin , Initial Backfill
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(where applicable). The location of on site bury
its shall be designated b the owner or the
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4. Bismatic coating shall be applied around
I. Reinforced concrete sewer pipe shall confirm
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to ASTM C -76 latest revision, with joints
-260. Retempering of delivered concrete will not
Bedding, haunching, and initial backfill for all RCP installations
shall be B- Borrow for Structure Backfill meeting the material
Engineer.
each manhole Joint from 6 inches above to 6
conforming to ASTM C -443 latest revision.
be allowed. Concrete shall be composed of:
requirements of the INDOT. Bedding shall be placed in the
4. PROTECTION OF TREES
inches below each joint. Inside joints to
be filled with precaat plug material.
When storm pipe is submerged
1. Portland cement - Conforming to ASTM C -150,
trench bottom such that after the pipe is installed to grade
there 4 -inch minimum depth of material
A. General Protection: The Contractor shall be
3. APPLICATION
B. Manholes
Type IA or Type IIIA.
2. Aggregates: Conforming to ASTM C -33
and line, remains a
below the pipe barrel and a minimum of 3- inches below the
bell. For pipe sizes 66- inches and larger, the minimum depth
responsible for the protection of tops, trunks
and roots of existing trees on the project site
trees
A. Permits and Codes - The intent of this section of
the specifications is that the contractors bid on
1. Precast reinforced concrete manhole sections
and steps shall conform to ASTM C -478 latest
3. Water - Shall be dear and free from
of material below the pipe barrel shall be 6- inches. Bedding,
haunching and initial backfill shall be compacted in 6 -inch
that are to remain. Existing subject to
construction damage shall be boxed, fenced or
the work covered herein shall be based upon the
revision
injurious amounts of oils, acids, alkalizes,
maximum lifts to not less than95% Standard Proctor Density
otherwise protected before any work is started;
do not stockpile within branch spread. Remove
drawings and specifications but that the work
shall comply with all applicable codes and
2. Casting shall be of uniform quality, free
from
organic materials or other deleterious
substances.
for the entire depth of the material placed. The backfill shall
be brought up evenly on both sides of the pipe for th full
interfering branches without injury to trunks and
scars with tree
regulations as amended by any waivers. Contractor
shall furnish all bonds necessary to get permits
blow holes, porosity, hard spots,
shrinkage distortion or other defects. They
B. Welded Steel Wire Fabric -Where required for
length of the pipe. Haunching shall extend to the springline
of the pipe. The limit of initial backfill shall be 6- inches
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cover paint.
for cuts and connections to existing sewers.
shall blastin smooth by some other approved method.
concrete reinforcement shall conform to ASTM A185.
above the s tin lip Minimum trench width shall be the
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5. HANDLING OF TOPSOIL
B. Local Standards -The term "local standards" as
They shall be coated with asphalt paint
which shall result in a smooth coating,
C. Joint Filler - Shall be of non
outside diameter of the pipe plus 18- inches.
Final Backfill
A. Remove all organic material from the areas to be
occupied by buildings, roads, walks and parking
used herein means the standards of design and
construction of the respective municipal
tough and tenacious when cold, not tacky or
brittle. They shall be gray iron meeting
- extruding type meeting ASTM D -544 except that
-extruding
premouctio joint filler used in concrete walk
Final backfill for all RCP installations under and within 5 -feet
of pavement shall be B- Borrow for Structure Backfill meeting
areas. Pile and store topsoil at a location
department of utiit company.
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ASTM A -48 latest revision.
construction may be either non - extruding or
resilient.
the material requirements of the INDOT and shall be
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where it will not interfere with construction
compacted in inch maximum lifts not less than
operations. Topsoil shall be reasonably free
from subaoi, debris, weeds, grass, stones, ect.
C. Existing Improvements - Maintain in operating
condition all active utilities, sewers and other
3. Joints - Manhole sections shall be jointed
jo
with rubber type gaskets. The rubber type
D. Bituminous Pavement Materials -All materials
re at
Standard Proctor Density for the entire depth of the material
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top
laced. The backfill for the t 6- inches of the excavation
B. After completion of site grading and subsurface
drains encountered in the sewer installation.
Repair to the satisfaction of the owner any damage
gaskets shall meet hole Cd storm latest
revision. When manhole and storm pipe are
proposed for the construction of bituminous
pavements shall comply with the Indiana Department
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below the start of the aggregate subbase of the pavement
be No. 53 Stone meeting the material requirements of
utility installation, top soil shall be replaced
to existing active Improven ents.
continuously in water.
of Transportation specifications, per latest
revision.
shall
the INDOT and shall be compacted to not less than 95%
in areas designated on the erosion control plan
for seeding and /or sodding. Any remaining top
D. Workmanship - To conform to all local, state and
codes and to be approved by all local and
C. SUBDRAINS
E. Compacted Aggregate Subbase: Shall be crushed
Standard Proctor Density.
Final Backfill for all RCP installations greater than 5 -feet of
soil shall be used for finished grading around
structures and landscaping areas.
national
state agencies having jurisdiction.
1. Perforated plastic pipe subdrains shall
stone or gravel. Crushed gravel shall be a
minimum of 35% crushed material. Chert shall be
pavement shall be dean fill material free of rocks larger than
6- inches in diameter, frozen lumps of soil, wood or other
E. Trenching - Lay all pipe in open trenches, except
conform to ASTM F -405.
limited to a maximum of 8% of the total. Material
extraneous material, compacted in 12 -inch maximum lifts to
6. DISPOSITION OF UTILITIES:
when the local authority gives written permission
3. APPLICATION
shall be free from an excess of flat, elongated,
not less than 9OX Standard Proctor Density for the entire
for tunneling. Open the trench sufficiently ahead
thinly laminated, soft or disintegrated pieces;
depth of the excavation.
A. Rules and regulations governing the respective
utilities shall be observed in executing all work
of pipe - laying to reveal any obstructions. The
width of the trench shall be the inside pipe
A. Permits and Codes - The intent of this section of
the specifications is that the contractor's bid on
and shall be free from fragments coated with dirt.
Compacted aggregate shall be graded as follows:
WATER AND SEWER UNDER CITY STREETS
under this section.
diameter plus 24 inches for 12 inches above the
Sheet and brace trench as necessary to
the work covered herein shall be based upon the
SIEVE SIZE X PASSING
B. If active utilities are encountered but not shown
pipe.
protect workmen and adjacent structures. All
drawings and specifications but that the work
shall comply with all applicable codes and
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1 -1/2" 110
Bedding, .Initial Backfill
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Bedding, haunching and initial backfill materials, placement and
on the drawings, the Engineer shall be advised
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before work is continued.
trenching to corn with Occupational Safety and
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Health Administration Standards. Keep trenches
regulations as amended by any waivers. Contractor
shall furnish all bonds necessary to get permits
1 " 80 -100
compaction for water mains, water service laterals, sanitary
free from water while construction is in progress.
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for cuts and connections to existing sewers.
3/4 70-90
1/2 55-80
mains and sanitary service laterals shall be in accordance with
the standard practice of the utility that has jurisdiction over
C. Inactive and abandoned utilities encountered in
excavating and grading operations shall be
Under no circumstances shall pipe or appurtenances
be laid in standing water. Conduct the discharge
B. Local Standards - the term "Local Standards" as
#4 35-60
the installation.
reported to the Engineer. They shall be removed,
plugged or capped as directed by the Utility
from trench dewatering to drains or natural
drainage channels.
used herein means the standards of design and
construction of the respective municipal
#8 25-50
#30 12 -30
Final Backfill
Final Backfill for water mains. water service laterals, sanitary *'
Company and the Engineer.
department or utility company.
#200 5 -10
mains and sanitary service laterals under and within 5 -feet of
F. Special Supports - Whenever, In the opinion of the
pavement shall be B- Borrow for Structure Backfill meeting the
D. It shall be the responsibility of each contractor
Engineer, the soil at or below the pipe grade
C. Existing Improvements - Maintain in operating
3. APPLICATION
material requirements of the INDOT and shall be compacted in
to verify all existing utilities and conditions
pertaining to his phase of the work. It shall
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Is unsuitable for supporting sewers and
appurtenances specified In this section, such
condition all active utilities, sewers and other
drains encountered in the sewer installation.
A. Grading Do any necessary grading in addition to
6 -inch maximum lifts to not less than 95% Standard Proctor
Density for the entire depth of the material placed. The
also be the contractors responsibility to contact
special support, in addition to those shown or
Repair to the satisfaction of the owner an damage
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that performed in accordance with Earthwork
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Section. bring after final
backfill for the top 6- inches of the excavation below the start
the owners of the various utilities before work
specked, shall be provided as the Engineer may
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direct. the contract will be adjusted.
to existing active improvements.
a requdes.
compaction, to the required races and sections
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of the aggregate subbase of the pavement shall be No. 53
Is started.
and
for site improvement.
Stone meeting the material requirements of the INDOT and
7. SITE GRADING:
G. Backfilling - for a depth of at least 12 inches
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D. Workmanship - To conform to all local. state and
national codes and to be approved by all local and
B. Preparation of Subgrade - Remove spongy and
shall be compacted to not less than 95% Standard Proctor
Density. If the standard practice of the utility that has
A. Grades: Contractor shall perform all cutting,
above the top of the pipe, backfill with No.
stone. Compact this backfill thoroughly,
state agencies having jurisdiction.
otherwise unsuitable material and replace with
traffic be
jurisdiction over the installation has a more stringent final
backfill requirement, the more stringent requirement shall
filing, compacting of fills and rough grading
required to bring entire project area to grade as
taking care not to disturb the pie. for the
remaining trench depth, backfill with earth or
E. Trenching -Lay all pipe in open trenches, except
when the local authority gives written permission
stable material. No will allowed on
prepared subgrade prior to paving.
govern.
shown on the drawings.
granular material containing stones or rocks not
larger than 4 inches. Backfill under and within
for tunneling. Open the trench sufficient ahead
of pipelaying to reveal any obstructions. The
C. Compaction of Sub rode -The first 6 inches below
subgrade
MINIMUM COVER FOR PIPE CROSSINGS OF CITY STREETS
B. Rough Grading: the tolerance for paved areas
5' of walks, parking areas, driveways and streets
width of the trench shall be the inside pipe
the shall be compacted to at least 100%
of the maximum dry density as determined by the
shall not exceed 0.10 feet plus or minus above
the established subgrade. All other areas shall
shall be granular material only - thoroughly
compacted, by approved methods.
diameter plus 24 inches for 12 inches above the
pipe. Sheet and brace trench as necessary to
provisions of AASHO T -99. Water shall be
prevented from standing on the compacted subgrade.
For installation of Storm Mains, Water Mains, Sanitary Mains,
Water Service Laterals, Sanitary Service Laterals under City
not exceed 0.10 feet plus or minus the
established grade. All banks and other breaks in
H. Flow Channels - The flow channels within manholes
protect workmen and adjacent structures. All
trenching to comply with Occupational Safety and
D. Utility Structures - Check for correct elevation
streets, regardless of the jurisdiction of the utility, the
minimum cover from the top of the installed pavement to the
grade shall be rounded at top and bottom.
shall be an integral part of the precast base.
The channels shall be shaped and formed for a
Health Administration Standards. Keep trenches
free from water while construction is in progress.
of all manhole covers, valve boxes and similar
top of the installed pipe shall be the pavement section
C. Compaction Requirements:
clean transition with proper hydraulics to allow
Under no circumstances lay pipe or appurtenances
structures located within areas to be paved, and
make, or have made, any necessary adjustments in
thickness (all bituminous and aggregate material above the
".
the smooth conveyance of flow through the manhole.
in standing water. Conduct the discharge from
subgrade) plus 1 -0 If the standard practice of the utility
1. All building pad areas shall be compacted to
The bench wall shall be formed to the crown of the
"U"
trench dewatering to drains or natural drainage
such structures.
that has jurisdiction over the installation has a more stringent
standards specified by local and /or state
inlet and outlet pipes to form a shaped
channels
E Placing Concrete
cover requirement, the more stringent requirement shall
building codes.
channel. The bench wall shall slope back from the
govern.
crown at 1/2 inch per foot to the manhole wall.
F. Special Supports - Whenever in the opinion of the
1. subgrade - Place concrete only on a moist,
2. For compaction requirements of paved areas,
see street specifications.
I. Infiltration -The contractor shall furnish
Engineer the soil at or below the pipe grade is
unsuitable for supporting sewers and appurtenances
compacted subgrade or base free from loose
necessary equipment to teat sewers f or
specified In this section, such special support,
material. Place no concrete on a muddy or
frozen subgrade.
infiltration. Infiltration rotes shall not exceed
in addition to those shown or specified, shall be
the Local Standards. All sanitary sewer lines
upon completion will be required to pass a low
provided as the Engineer may direct, and the
contract will be adjusted.
2. Forms - All forms shall be free from warp,
pressure air test, unless otherwise directed by
tight enough to prevent leakage and
the City of Carmel. Said test shall be conducted
substantial enough to maintain their shape
NOTE:
according to NCPI Standard Method, and shall be
and position without springing or settling.
witnessed by an Inspector authorized by the City
when concrete is placed. Forms shall be
MINIMUM COVER OVER TOP OF ALL
of Carmel. Infiltration under teat shall not
exceed 200 gallons per inch of inside diameter of
dean and smooth immediately before
concreting.
WATERMAINS TO BE 54" FROM FINISH GRADE.
sewer pipe per mile of sewer in 24 hours and
inclusive of all appurtenances within the section
being tested such as manholes, house connections,
etc.
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No.
PE19800489
STATE OF
sS/ONAt11���`�
BY:
DATE:
SHEET
C901
OF
8
JOB #: DAX.002