HomeMy WebLinkAbout026-92 SP Windpointe at Waterstone Sec 1 SpecsEARTHWORK
8. Earth Work Balance
J.
Flushing Sewers Flush oil sanitary sewers except
G. Backfilling - for a depth of at least 12 inches
3. Placing Concrete - Concrete shall be
wA� MAINS
Contractor shall confirm all earthwork quantities
building sewers with water to obtain free flow
above the top of the pipe, backfill with earth or
deposited so as to require as little
prior to start of construction. If an excess or
through each line. Remove all silt and trash from
granular material free from large stones, rock
rehandling as practicable. When concrete is
1. SCOPE OF WORK
shortage of earth is encountered, the Contractor shall
appurtenon7es just prior to acceptance of work.
fragments, roots or sod. Tamp this backfill
to be placed at an atmospheric temperature of
1. SCOPE OF WORK:
confirm with the Owner and Engineer the requirements
thoroughly, taking care not to disturb the pipe.
35 degrees F. or less, paragraph 702.10 of
A. Extent: The work required under this section
for stockpiling, removal or importing of earth.
K.
Plastic Sewer -lipe Installation - Plastic sewer
For the remaining trench depth, backfill with
the Indiana Department of Transportation
A. The work required under this section includes all cold water distribution lines, valves,
consists of all excavating, filling, rough grading
pipe sholi be bnstolled in a accordance with ASTM
earth or granular material containing stones or
Specifications latest revision shall be
and related items necessary to complete the work
Minor adjustments to the grades may be required to
D23? per latest revision and no plastic e
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rocks not larger than 4 inches. Backfill under
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followed.
meter its, hydrants, and related items including excavating and backfilling necessary
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indicated on the drawings and described in the
earthwork balances when minor excess material or
sholi exceed a oeflectron of 5x.
and within 5' of walks, parking areas, driveways
to complete the work shown on the drawings. The ends of water service lines shall be
specifications. The Contractor shall notify in
shortages are encountered. It is recognized by the
and street shall be granular material only -
F. Concrete Curb
tightly plugged or capped at the terminal points pending the connecting to all such lines
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.
of the buildingpiping as specified in the plumbing specifications and architectural
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errors, or omissions found on the plans or in
in determining earthwork quantities shall be ac-
drains and/or surface water drains may be
1. Expansion Joints - Shall be 1/2 inch thick
the field, before work is started or resumed.
complished in accordance with the American Society of
connected to the sanitary sewer systems, including
H. Manhole Inverts - Construct manhole flow channels
premoulded between storm structures do curb.
drawings.
Civil Engineers Standards for such calculations.
temporary connections during construction.
of concrete sewer pipe or brick, smoothly finished
Further, that these calculations are subject to the
and of semi -circular section conforming to the
2. Contraction/Control Joints - Unless otherwise
2. MATERIALS:
1. in general, the items of work to be
interpretations of soi: borings as the physical limits
M.
Waterline Crossing - Where water lines and
inside diameter of the connecting sewers. Make
provided, contraction joints shall be sawed
performed under this section shall include:
of the various soil types, also the allowable variation
sanitary sewers cross and water lines cannot be
changes in size or grade gradually and changes in
or scored joints spaced 10 feet on center, except for
clearing and grubbing, removal of trees and
in finish grade and compaction permitted the contractor,
placed above the sewer with a minimum of 18 inches
direction by true curves. Provide such channels
intersection radii where joints shall be placed 5' o.c.
A. Cast Iron Pipe: Cost iron pipe shall meet AWWA Specification C-106 with push - on joints
stumps (where required), protection of trees
and that all of these parameters may cause either on
vertical clearance, the sewer must be constructed
for all connecting sewers at each manhole.
meeting AWWA Specification C-111. Wall thickness shall be determined from Table 6.4
to remain, stripping and storage of topsoil,
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excess or shortage of actual earthwork materials to
of water works rade ductile iron pipe with
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3. Finish - Tamp and screed concrete as soon as
in AWWA C-106. Ductile iron pipe shall meet AWWA C-150 and C-151 Specifications. Pipe
fill compaction and rough grading of entire
complete the project. If such an actual minor excess or
mechanical joints within 10 feet of the water
1. Subdrains - All subdrains shall be of the size
placed, and fill any honey combed places.
t0 be Cement lines per AWWA C-104.
site.
shortage of materials occurs, the contractor shall
line.
shown on the plans and shall be constructed to the
Finish square corners to 1/4" radius and
contact the engineer to determine if adjustment can be
grades shown. All drains constructed off-site as
other corners to radii shown.
2. Excavated material that is suitable may be
made to correct the imbalance of earth.
N.
Utilities - It shall be the responsibility of
part of the outlet drain will be located as shown.
B. Copper Tubing: Shall be seamless, annealed copper tubing complying with Federal
used for fills. All unsuitable material and
each contractor to verify all existing utilities
G. Concrete Walks and Exterior Steps
Specification WW -T-799. Fittings shall be wrought copper or cost bronze with Solder
all surplus excavated material not required
and conditions pertaining to his phase of the
J. Utilities - It shall be the responsibility of each
joints. Solder shall be of a composition recommended by the manufacturer of the fittings.
shall be removed from the site. The
work. It shall also be the contractors
contractor to verify all existing utilities and
1. Slopes - Provide 1/4 inch per foot cross
}
location of dump and length of haul shall be
responsibility to contact the owners of the
conditions pertaining to his phase of the work.
slope. Make adjustments in slopes at walk
the Contractor's responsibility.
SANITARY SEWER SYSTEMS
various utilities before work is started. The
It shall also be the contractors responsibility to
intersections as necessary to provide proper
C. Fire Hydrants: Shall comply with AWWA Specification C-50 and shall m VC01
contractor shall notify in writing the owners and
contact the owners of the various utilities before
drainage.
standards and requirements, particularly as to nozzle diam Pers and threads,:. Ction
3. Provide and place any additional fill
the engineer of any changes, errors or omissions
work is started. The contractor shall notify in
of opening and dimensions of operating and cap nuts. Fi ne
material from off the site as may be
1. SCOPE OF WORK
found on these plans or in the field before work
writing the owners or the engineer of an changes,
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2. Dimensions - Walks and steps shall be one
_Hydrants r
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necessary to produce the grades required.
is started or resumed.
errors or omissions found on these plans or in the
course construction and of widths and details
pumper and two hose nozzles. A valve opening not less t 5 inches an a inchlinlet
Fill obtained from off site shall be of kind
'he work under this section includes all sanitary
field before work is started or resumed.
shown on the drawings.
connection. The length of the hydrant barrel shall be det ed by the specifie� *'
and quality as specified for fills herein
sewers, manholes, cieonouts and related items including
0.
Service Laterals - Individual lot service lines
depth of cover over the pipe.
and the source approved by the Owner.
excavating and backfilling, necessary to complete the
shall be 6' in diameter and of material equal to
K. Contractor to grout joints inside storm
3. Finish - Screed concrete and trowel with a
work shown in the drawings, starting five feet outside
that specified in 2A of this section. Service
structures where pipes enter or exit
steel trowel to a hard dense surface after
4. The Contractor shall accept the site as he
the building walls. The ends of sewers shall be
lines shall be connected to the main sewer by a
and between structure and casting.
surface water has disappeared. Apply medium
D. Valves: All valves and stops shall have ends suited or adapters shall be provided for
finds it and shall remove all trash, rubbish
tightly plugged or capped at the terminal points,
wye at locations generally shown within these
broom finish and scribe control joints at 5
the proper installation in the lines in which they are located. Valves shall meet local
and debris from the site prior to starting
adjacent to buildings, pending the connecting of all
plans. Service lines shall be extended and
foot spacing. Provide 112* expansion joints
standards or in the absence of such standards, the following requirements:
excavation.
such lines to the building drain as specified in the
capped at a point 5 feet beyond the right-of-way
where sidewalks intersect, and at a maximum
plumbing specifications and architectural drawings.
line or one pipe length for those services on the
spacing of 48 feet between expansion joints.
1. Valves in cast iron pipe shall be iron body, bronze mounted, disc gate valves
B. Work not included: The following items of
same side of the street as the main. Sewer
STREETS
related work are specified and included in other
2. MATERIALS
service lines shall be marked on the curb with
H. Curing Concrete - Except as otherwise specified,
Conforming to AWWA Specification C-500. They shall open in the same direction
sections of these specifications:
red paint and at the end of the line with a
cure all concrete by one of the methods described
as those used in the local waterworks system. Valve stems shall terminate in 2 inch
A. Sanitary Sewers
wooden 2x4 above the ground.
in Section 501.17 of the Indiana Department of
wrench nuts. Furnish two (2) keys.
1. Excavation, grading and backfilling for
1. SCOPE OF WORK
Transportation Specifications, latest revision.
utility lines
1. All gravity plastic sewer pipe and fittings
P.
New Sanitary Sewer Main Construction - Contractor
shall conform to ASTM D3034, SDR -35 and meet
shall record dimensions of each service line stub
The work required under this section includes all
I. Bituminous Pavement - Hot asphalt concrete
2. Valves In copper pipe shall be standard brass body, round -way, ground -key stops with
2. Storm drainage systems
a cell classification of 12454 B in
from nearest downstream manhole measured along
concrete and bituminous paving and related items
pavement shall be as specified in Section 403 of
T heads. Furnish two (2) keys.
accordonce with ASTM 1784.
the sanitary sewer main. The locations of
necessary to complete the work indicated on drawings
the Indiana Department of Transportation
3. Sanitary sewer systems
manholes and service lines along with any other
and described in the specifications, including but not
Specifications latest revisions. Paving will not
E. Valve Boxes: Shall meet local standards or in the absence of such, shall comply with the
B. Manholes
construction changes are to be incorporated on
limited to:
be permitted during unfavorable weather or when
4. Streets and paving
the oriVol construction drawings and "Record
the temperature is 40 degrees F. and falling.
following requirements:
1. Precast reinforced concrete manhole sections
Drawing prints submitted to the City of Carmel
All streets, parking areas in contract limits
5. Water supply system
and steps shall conform to ASTM C-478 latest
and the engineer as soon after completion of
Curbs and gutters
J. Compacted Aggregate Subbase - the thickness shown
1. For iron body valves, boxes shall be approved standard buffalo -type, cost iron,
revision.
construction as possible.
Sidewalks and concrete. slabs, exterior steps
on the drawings is the minimum thickness of the
adjustable shaft boxes, having a minimum shaft diameter of 5-1/4 inches.
2. BENCH MARKS
fully compacted subbase. Compaction shall be
2. Castings shall be of uniform quality, free
2. MATERIALS
accomplished by rolling with a smooth wheeled
Maintain carefully all bench marks, monuments and other
from blow holes, porosity hard spots,
roller weighing 8 to 10 tons. Compact to 907
2. For brass body valves (Stops) boxes shall be approved standard Cast iron extension
reference points; if disturbed or destroyed, contractor
shrinkage distortion or other defects. They
A. Concrete - Concrete shall be ready -mixed concrete
compaction using Standard Testing Procedures.
service boxes, having a minimum diameter of 2-1/2 inches and having lid held in
shall contact engineer.
shall be smooth and well -cleaned by shot-
STORM SEWER
SYSTEMS
and shall be a mix of proportioned fine and
Along curbs, headers and walls and at all placed
lace b a brass or bronze bolt. The castings shall be coated with two coats of coal -tar
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blasting or some other approved method.
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coarse aggregates with Portland cement and water.
not accessible to the roller, the a re ate
aggregate
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 be tamped with mechanical tampers
pitch varnish. Fumish two (2) keys for bolt in lids.
`
which shall result in a smooth coating,
yard of concrete and maximum water content shall
or with approved hand tampers.
A. Remove all trees and stumps from area to be
tough and tenacious when cold, not tacky or
The
work under this section includes all storm sewers,
be 5.5 U.S. gallons per sack of cement, including
F. Stops: Stop Shall be those manufactured by For or Mueller Corporation with AWWA
occupied by road and surfaced areas. Removal of
brittle. They shall be gray iron meeting
storm water inlets, and related items, including
moisture in the aggregate. Slump for normal
taper thread, and with copper compression type fitting on outlet, or equal.
trees outside these areas shaii only be done as
ASTM A-48 latest revision. Manhole covers
for be Neenah Type
excavating
and backfilling, necessary to complete the
weight concrete shall be a maximum of 4 inches
G. Blow -off Valves: Blow -off valves shall be those manufactured by Muller Corporation
noted on drawings or approved by the Owner.
sanitary sewer shall
work
shown on the drawings,
and a minimum of 2 inches. the slump of machine
R -1772-A with 'f concealed pickhole.
placed concrete shall be no less than 1-1/4
(H-10283 or H-10291), or equal.
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
3. Joints - manhole sections shall be jointed
"o' "o'
ASTM C-143 shall be used to measure slump.
H. Angle Valves: Angle valves at the end of water service Stub are to be copper
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off of the site. Disposal b burning shall not
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with sealed rings. The rings shall
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A.
Storm Sewers
Compressive g days
p essive strep th of concrete at 28 da shall
be permitted unless proper permits are obtained
meet ASTM C-443 latest revisions.
be 4000 psi. All exterior concrete shall have
compression type fitting also, and are to be protected with plastic bag over the valve.
(where applicable). The location of on site bury
1. Reinforced concrete sewer pipe shall confirm
air entrainment of 5% to 8% by volume per ASTM C
pits shall be designated by the owner or the
4. Bismatic coating shall be applied around
to ASTM C-76 latest revision, with joints
�°
-260. Retempering of delivered concrete will not
I. Taps: 3/4" taps in lines smaller than 4 inches shall be only by tapped tee or tapping
Engineer.
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each manhole int from 6 inches above to 6
to
conforming to ASTM C-443 latest revision.
be allowed. Concrete shall be composed of:
saddle. Water service lines should be marked on curbs with blue paint. (Sewer lateral
inches below each joint. Inside joints to
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When storm pipe is submerged
4. PROTECTION OF TREES
be filled with precoat plug material.
1. Portland cement - Conforming to ASTM C-150,
locations - red).
B.
Manholes
Type IA or Type IIIA.
A. General Protection: The Contractor shall be
3. APPLICATION
3. APPLICATION:
responsible for the protection of tops, trunks
1. Precast reinforced concrete manhole sections
2. Aggregates: Conforming to ASTM C-33
and roots of existing trees on the project site
that are to remain. Existing trees subject to
A. Permits and Codes - The intent of this section of
the specifications is that the contractor's bid on
and steps shall conform to ASTM C-478 latest
3. Water - Shall be clear and free from
A. Permits and Codes: The intent of this section is the specifications if that the contractor's
construction damage shall be boxed, fenced or
the work covered herein shall be based upon the
revision.
injurious amounts of oils, acids, alkalies,
bid on the work covered herein shall be based upon the drawings and specifications but
otherwise protected before any work is started;
drawings and specifications but that the work
2. Casting shall be of uniform quality, free
organic materials or other deleterious
that the work shall comply with all applicable codes and regulations. Contractor shall
do not stockpile within branch spread. Remove
shall comply with all applicable codes and
from blow holes, orosit hard spots,
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substances.
furnish all necessary bonds to get permits for cuts and connections.
interfering branches without injury to trunks and
regulations as amended by any waivers. Contractor
shrinkage distortion or other defects. They
cover scars with tree paint.
shall furnish all bonds necessary to get permits
shall be smooth and well cleaned by shot
8. Welded Steel Wire Fabric - Where required for
for cuts and connections to existing sewers.
-blasting or by some other approved method.
concrete reinforcement shall conform to ASTA185.
B. Existing Improvements: Maintain in 0 eratin condition all active utilities and sewers
9P operating
5. HANDLING OF TOPSOIL
"local
They shall be coated with asphalt paint
and other pipe system that may be encountered.
B. Local Standards - The term standards" as
which shall result in o smooth tooting,
C. Premoulded Joint Filler - Shall be of non
A. Remove all organic material from the areas to be
used herein means the standards of design and
tough and tenacious when cold, not tacky or
-extruding type meeting ASTM D-544 except that
occupied by buildings, roads, walks and parking
construction of the respective municipal
brittle. They shall be gray iron meeting
premoulded joint filler used in concrete walk
C. Trenching: Lay all pipe in open trenches, except when local authority gives written
areas. Pile and store topsoil at a location
department of utility company.
ASTM A-48 latest
construction may be either non -extruding or
permission for tunneling. Provide a separate trench for the water line at least 10
where it will not interfere with construction
revision.
resilient.
feet horizontally from any sanitary sewer. In locations where separate trenches for sewer
operations. Topsoil shall be reasonably free
C. Existing Improvements -Maintain in operating
3. Joints - Manhole sections shall be jointed
and water lines are impracticable, la the water i e on a solid shelf at least 18 inches
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from subsoil, debris, weeds, grass, stones, ect.
condition all active utilities, sewers and other
with rubber type gaskets. The rubber type
D. Bituminous Pavement Materials - All materials
drains encountered in the sewer installation,
gaskets shall meet ASTM C-443 latest
proposed for the construction of bituminous
above the top of the sewer.
B. After completion of site grading and subsurface
Repair to the satisfaction of the owner any damage
revision. When manhole and storm are
pavements shall comply with the Indiana Department
utility installation, top soil shall be replaced
to existing active improvements.
pipe
continuously in water.
of Transportation specifications, per latest
D. Width of Trench: Excavate trenches 12 inches each side of the pipe for proper
in areas designated on the erosion control plan
revision.
installation of pipe.
for seeding and/or sodding. Any remaining top
D. Workmanship - To conform to all local, state and
C.
SUBDRAINS
soil shall be used for finished grading around
national codes and to be approved by all local and
E. Compacted Aggregate Subbase: Shall be crushed
structures and landscaping areas.
state agencies having jurisdiction.
1. Perforated plastic pipe subdrains shall
stone or gravel. Crushed gravel shall be a
E. Sheeting and bracing: Sheet and brace trenches as necessary to protect workmen and
conform to ASTM F-405.
minimum of 35% crushed material. Chert shall be
adjacent structures. All trenching Shall comply with the Occupational Safety and
E. Trenching - Lay all pipe in open trenches, except
limited to a maximum of 8% of the total. Material
Health Administration Standards.
6. DISPOSITION OF UTILITIES:
when the local authority gives written permission
3, APPLICATION
shall be free from an excess of flat, elongated,
for tunneling. Open the trench sufficiently ahead
thinly laminated, soft or disintegrated pieces;
A. Rules and regulations governing the respective
of pipe -laying to reveal any obstructions. The
A.
Permits and Codes - The intent of this section of
and shall be free from fragments coated with dirt.
F. Water Removal: Keep trenches free from water while construction therein is In
utilities shall be observed in executing all work
width of the trench shall be the inside pipe
the specifications is that the contractor's bid on
Compacted aggregate shall be graded as follows:
progress. Under no circumstances lay pipe or appurtenances in standing water.
under this section.
diameter plus 24 inches for 12 inches above the
the work covered herein shall be based upon the
Conduct the discharge from trench dewatering to drains or natural drainage channels.
pipe. Sheet and brace trench as necessary to
drawings and specifications but that the work
SIEVE SIZE 7 PASSING
B. If active utilities are encountered but not shown
protect workmen and adjacent structures. All
shall comply with all applicable codes and
on the drawings, the Engineer shall be advised
trenching to comply with Occupational Safety and
regulations as amended by any waivers. Contractor
1-1/2" 100
G. Grading Trench Bottoms: The bottom quadrant of the pipe shall be fully and
before work is continued.
Health Administration Standards. Keep trenches
shall furnish all bonds necessary to get permits
1" 80-100
uniformly supported. The full load Shall rest on the barrel of the pipe. The trench
free from water while construction is in progress.3/4"
for cuts and connections to existing sewers.
70-90
may be excavated to a depth of 4 inches or more below final grade with sand, crushed
C. Inactive and abandoned utilities encountered in
Under no circumstances shall pipe or appurtenances
1/2" 55-80
excavating and grading operations shall be
be laid in standing water. Conduct the discharge
B.
Local Standards - the term "Local Standards"
#4 35-60
stone or gravel backfill to bring it back to pipe laying grade. For a depth of at least
reported to the Engineer. The shall be removed,
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from trench dewatering to drains or natural
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as
used herein neons the standards of design and
#8 25-50
12 inches above the top of the pipe backfill with earth or granular material free from
plugged or capped as directed by the Utility
drainage channels.
construction of the respective municipal
X130 12-30
large stones, roots or frozen clogs. Tamp this backfill thoroughly taking care not to
Company and the Engineer.
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deportment or utility company.
200 5-10
disturb the pipe. Backfill under walks, parkingareas, driveways and streets with
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F. Special Supports - Whenever, in the opinion of 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
granular material only and tamp thoroughly, by approved methods. Trenches parallel
to verify all existing utilties and conditions
is unsuitable for supporting sewers and
condition all active utilities, sewers and other
to and within 10 feet of paved roadways shall be constructed the same.
pertaining to his pnose of the work. It shall
appurtenances specified in this section, such
drains encountered in the sewer installation.
A. Grading - Do any necessary grading in addition to
also be the contractors responsibility to contact
special support, in addition to those shown or
Re air to the satisfaction of the owner an damage
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that performed in accordance with Earthwork
H. Tests: Before joints are covered, fill the piping with water, opening hydrants or at
the owners of the various utilities before work
specified, shall be provided as the Engineer may
to existing active improvements.
Section, to bring subgrades, after final
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least two hours 100 inch. Inspect all for
is started.
direct, and the contract will be adjusted.
compaction, to the required grades and sections
at pressure of pounds per square joints
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D.
Workmanship - To conform to all local, state and
for site improvement.
leakage and remedy any leaks. Upon completion of the water distribution mains, flush
7. SITE GRADING:
G. Bockfilling - for a depth of at least 12 inches
national codes and to be approved by all local and
out the system until the water runs clear. As soon as the system has been flushed out,
above the top of the pipe, backfill with granular
state agencies having jurisdiction.
B. Preparation of Subgrode - Remove spongy and
it shall be sterilized in accordance with the requirements of the Carmel Water
A. Grades: Contractor shall perform all cutting,
material free from large stones, rock fragments,
otherwise unsuitable material and replace with
filling, compacting of fills and rough grading
roots or sod. Compact this backfill thoroughly,
E.
Trenching - Loy all pipe in open trenches, except
stable material. No traffic will be allowed on
Department,
required to bring entire project area to grade as
taking care not to disturb the pipe. for the
when the local authority gives written permission
prepared subgrade prior to paving.
shown on the drawings.
remaining trench depth, bockfill with earth or
for tunneling. Open the trench sufficient ahead
I. If a horizontal distance of 10 feet cannot be maintained between the water line and
granular material containing stones or rocks not
of pipelaying to reveal any obstructions. The
C. Compaction of Subgrode - The first 6 inches below
and a sanitary sewer line, one of the following shall be done.
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B. Rough Grading: the tolerance for paved areas
larger than 4 inches. Bockfill under and within
width of the trench shall be the inside pipe
the subgrade shall be compacted to at least 1007
shall not exceed 0.10 feet plus or minus above
5' of walks, parking areas, driveways and streetsdiameter
plus 24 inches for 12 inches above the
of the maximum dry density as determined by the
the established subgrade. All other areas shall
shall be granular material only - thoroughly
pipe. Sheet and brace trench as necessary to
provisions of AASHO T-99. Water shall be
0. Water line laid in a separate trench and 18: above sewer.
not exceed 0.10 feet plus or minus the
compacted, by approved methods.
protect workmen and adjacent structures. All
prevented from standing on, the compacted subgrade.
established grade. All banks and other breaks in
trenching to comply with Occupational Safety and
b. Water line laid in same trench on a bench of undisturbed earth and
grade shall be rounded at top and bottom.
H. Flow Channels - The flow channels within manholes
Health Administration Standards. Keep trenches
D. Utility Structures - Check for correct elevation
shall be an integral part of the precast base.of
free from water while construction is in progress.
all manhole covers, valve boxes and similar
Sewer at least 18" below bottom of water line.
Compaction Requirements: C. Com Re
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The channels shall be shaped and formed for a
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Under no circumstances lay pipe or appurtenances
structures located within areas to be paved, and
clean transition with proper hydraulics to allow
in standing water. Conduct the discharge from
make, or have made, any necessary adjustments in
Where water lines and sewers cross and the water line cannot be laced
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',. Ail building pad areas shall be compacted to
the smooth conveyance of flow through the manhole.
trench dewateringto drains or natural drainage
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such structures.
above the sewer with a minimum of 18" vertical clearance, the sewer must be
standards specified by local and/or state
The bench wall shall be formed to the crown of the
channels.
building codes.
inlet and outlet pipes to form a 'U' shaped
E. Placing Concrete
constructed of water works rade cast iron pipe with mechanical joints within
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channel. The bench wall shall slope bock from the
F.
Special Supports - Whenever in the opinion of the
10 feet of the water line.
2. For compaction requirements of paved areas,
crown at 1/2 inch per foot to the manhole wall.
Engineer the soil of or below the pipe grade is
1. subgrade - Place concrete only on a moist,
see street specifications.
unsuitable for su ortin sewers and a
PD g appurtenances
compacted subgrade or base free from loose
J. Utilities: It shall be the responsibility of each contractor to verify all existing utilities
1. Infiltration - The contractor shall furnishmaterial.
to test for
specified in this section, such special support,
Place no concrete on a muddy or
frozen
and conditions pertaining to his phase of the work. It shall also be the contractors
necessary equipment sewers
in addition to those shown or specified, shall be
subgrade.
infiltration. Infiltration rates shall not exceed
provided as the Engineer may direct, and the
responsibility to contact the Owners of the various utilities before work is started. The
the Local Standards. All sanitary sewer lines
contract will be adjusted.
2. Forms - All forms shall be free from warp,
Contractor shall notify in writing the owners or the engineer of any changes, errors or
upon completion will be required to pass a low
tight enough to prevent leakage and
omissions found on these plans on in the field before worts is started or resumed.
pressure air test, unless otherwise directed by
substantial enough to maintain their shape
the City of Carmel. Said test shall be conducted
and position without springing or settling,
according to NCPI Standard Method, and shall be
when concrete is placed. Forms shall be
K. New Water Main Construction: Contractor to record dimension of each water stub and
witnessed by an inspector authorized by the City
clean and smooth immediately before
valves from nearest fire hydrant measured along water main. The locations of hydrants
of Carmel. Infiltration under test shall not
concreting.
and water valves, along with any other construction changes are to be incorporated on
exceed 200 gallons per inch of inside diameter of
sewer pipe per mile of sewer in 24 hours and
the original construction drawings and "Pecord Drawing" prints Submitted to City
'
inclusive of all appurtenances within the section
Engineer's Office as soon after completion of construction as possible.
being tested such as manholes, house connections,
etc.
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