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EARTHWORK
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 specifications.
1. In general the items of work to be performed under
this section shall include clearing and grubbing,
removal a of trees an d stumps (where required),
),
protection of trees to remain, stripping and storage
of topsoil, fill compaction and rough grading of
entire site as indicated on the drawings.
2. Excavated material that is suitable may be used for
fills. All unsuitable material and all surplus
excavated material not required shall be removed
from the site. The location of dump and length of
haul shall be the Contractor's responsibility.
3. Provide and place any additional fill material from
off the site as may be necessary to produce the
grades required. Fill obtained from off site shall
be of kind and quality as specified for fills
and the source approved by the Owner.
4. The Contractor shall accept the site as he finds it
and shall remove all trash, rubbish and debris from
the site prior to starting excavation.
B. Work not included: The following items of 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. Water supply systems.
5. Streets and paving.
2. BENCHMARKS
Maintain carefully all bench marks, monuments and other
reference i
e ce po nts. If disturbed or destroyed replace as
directed b y engineer.
en in r
.
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 from site or burned with proper
permits (where applicable).
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 stockpile within
branch spread. Remove interfering branches without
injury to trunks and cover scors with tree paint.
5. STRIPPING OF TOPSOIL
A. Remove topsoil to a depth of 6 inches (or more if
required) from the areas to be occupied by roads,
walks, buildings, and parking areas. Pile and store
topsoil at a location where it will not interfere
with construction operations. Top soil shall be
reasonably free from subsoil, debris and stones.
6. DISPOSITION OF UTILITIES
A. Rules and regulations governing the respective
utilities shall be observed in executing all work
under this section.
B. 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 notify in writing the
owners or the engineers of any changes, errors or
omissions found on these plans or in the field
before ,, . k is started or resumes.
C. Where active utilities are encountered but not shown
on the drawings, the Engineer shall be advised
before work is continued.
D. 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 Owner.
7. SITE GRADING
A. Grades: Do all cutting, filling, compacting of
fills and rough grading required to bring entire
project area to subgrade as shown on the drawings.
Undercut open areas 4" for topsoil.
B. Rough grading: the tolerance for paved areas shall
not exceed 0.10 feet above established subgrade.
all other areas shall not exceed 0.10 feet plus or
minus the established grade. Provide roundings at
top and bottom of banks and other breaks in grade.
All open areas shall be graded a minimum of 0.5% and a
maximum of 3:1 slope. On fill slopes steeper than 4:1,
step or break -up sloped surfaces so that fill will
bond with existing surface.
C. Subgrade shall be proofrolled with suitable equipment and
all spongy and otherwise unsuitable material shall be
removed and replaced with suitable material.
D. Subgrade for streets and paved areas shall be compacted to
95% of modified proctor.
E. See PROJECT MANUAL and SOILS REPORT for requirements
regarding undercutting and subgrade preparation for pavement.
F. All fill material shall be formed from soil free of deleterious
material. Prior to placement of fill, a sample of the proposed
material shall be submitted to the soils engineer for approval.
Ths fill material shall be placed in layers not to exceed 8" in
loose thickness and shall be spread and compacted at the
proper moisture content.
G. All fill material in areas outside of building and pavement areas
shall be compacted lightly with each lift and protected from
erosion. Areas of building construction shall have suitable
fill material placed and compacted in accordance with the Soils
Engineer's report (minimum 95% modified proctor).
8. SEEDING PREPARATION
A. Solve any surface or subsurface drainage problems
and construct permanent erosion control structures.
B. Remove all rocks, roots or other materials that may
interfere with seedbed preparation.
C. Perform the major filing, shaping and smoothing of
gullied or severely eroded areas.
D. Have soil tested to check pH and fertility levels.
Apply lime at rate specified in seeding specifications.
E. Work all lime and fertilizer into the soil to a
depth of 2 -3 inches with a small disk, harrow or
rake operated across the slope as much as possible.
F. Firm the soil bed where possible. Do not over pack
the soil because too much compacting can restrict
water and root penetration into the soil.
TYPICAL SANITARY SEWER SPECIFICATIONS WITHIN CLAY TOWNSHIP REGIONAL WASTE DISTRICT: ___r V,
1. Standard specifications of the Clay Waste District and Indiana Dept. of Transportation shall apply for all work and materials. Pipe shall be installed in accordance with
Section 715.
2. Sanitary sewer pipe shall be PVC in accordance with ASTM D- 3034 -89 (S.D.R. 35) and ASTM 2321. PVC pipe shall have grooved bell and gasket. The pipe shall be
made of PVC plastic having a cell classification of 124548.
3. PVC sewer fittings shall conform to the requirements of ASTM d- 3032 -89 specification. Fittings in sizes through 8" shall be molded in one piece with elostomeric joints
and minimum socket depths as specified in sections 6.2 and 7.3.2. Fittings 10" and larger shall be molded or fabricated in accordance with section 7.11 with manufacturers
standard pipe bells and gaskets. Wall thickness of fittings shall be SDR 26 as defined in i
9 section 7.4.1 of the specifications. Gaskets for elostomeric joints shall be
molded with a minimum cross - sectional area of 0.20 square inches and conform to ASTM F -477 specification. Fittings shall be manufactured by Harco or equal.
4. All sanitary manholes shall be "precast concrete manholes in accordance with ASTM C -478 and Section 720. 0 -Rings shall conform to C -443. Kent Seal or equivalent shall
also be applied to ail joints and between riser rings and castings. Manhole step spacing shall be no more than 16- inches.
5. Butyl rubber coating shall be applied aroun d each manhole joint from 6-inches above to 6- inches below each joint. The appropriate primer shall be applied prior to
applying the rubber coating. Inside joints to be filled with precaat plug material.
6. The casting elevations are set by plan. However, the castings are to be adjusted in the field by the Engineer's representative, should a discrepancy occur between plan
grade and existing grade. New manhole ring and cover shall be installed to establish grade. Maximum height of adjusting rings shall be 12- inches.
7. If storm /sanitary pipe is to be under pavement or at its nearest point is within 5 ft. or less of pavement, sidewalks, curbs, gutters or similar structures, the entire
trench shall be backfilled with material in accordance with 211.01 of the 1988 Indiana Department of Highway Standard Specs.
8. The Contractor shall be responsible for verifying that all state highways, city and county permits have been obtained by the developer prior to start of construction.
9. The Contractor shall be required to furnish the developer's Engineer with a set of prints, marked in red pencil, showing actual sewer location and invert, to include
lateral location, depth and length. Such "as- built" prints must be received by the Engineer before the final contract payment can be authorized. The sanitary sewer
laterals and stubs termination shall be indicated on the surface with a 10' 2x4 pointed orange set immediately above said termination point, with lateral depth written on 2x4.
10. All sanitary sewer lines upon completion will be required to pass an infiltration weir test and a low pressure air test, unless otherwise directed by the Engineer. Said
test shall be conducted according to NCPI Standard Method, and shall be witnessed by an Engineer and a representative of the Cloy Waste District.
11. Deflection tests shall be performed on all flexible* pipe after the final backfill has been in -place at least 30 days. No pipe shall exceed a vertical deflection of 5
percent deflection test results. (*The following are considered non - flexible pipes: concrete pipe, ductile iron pipe and cast iron pipe.) The deflection test shall be
performed with a nine -point mandrel. Proving rings shall be available.
12. All mandrel testing shall be observed by a Professional Engineer for certification and a representative of the Clay Waste District.
13. The ends of laterals are to be plugged tight with a braced plastic disc or cap capable of withstanding a low pressure air test without leakage.
14. Bedding for g o flexible pipe shall be No. 8 crushed stone from 6- inches below the pipe to 12- inches above the pipe. Bedding for rigid pipe shall be No. 8 crushed stone from
6- inches below the pipe to the spring line of the pipe and from this point to 12 inches above shall be fill sand or equivalent. Manholes shall be placed on no less than
6- inches of No. 8 crushed stone bedding.
15. Water and sewer line crossings and separations shall be in accordance with Ten States' Standards.
16. Trench
shall b e opened ed sufficientl
Y ahead of pipe laying n 9 to reveal
obstructions and shall be properly protected an d/ or barricaded when left unattended.
17. No water shall be permitted to flow into the sanitary sewer system during construction. Contractor shall utilize a pump to keep the water level below the pipe. Pump
discharge shall be directed to a storm outlet. Any pipe entering existing sewers shall be plugged, until such time as all tests on the sewers have been completed and the
lines have passed all punch lists.
18. All sewer laterals installed by the mainline Contractor shall be bedded the some as the main line sewer.
19. Forty -eight (48) hours notice shall be given to the Clay Waste District prior to the start of sewer construction. Also, 48 -hours notice shall be given prior to any
testing done on the sewer.
20. Manhole castings shall be stamped "SANITARY SEWER" (Neenah Costing R 1642 or equal) and be self - sealing type. Waterproof castings shall be Neenah R- 1916 -F1 and stamps
"Sanitary Sewer'.
21. The minimum slope for sewer occeptonce by the Clay Township Regional Waste District are:
Size of pipe Minimum Constructed Slope
8 -inch 0.40%
10 -inch 0,28%
12 -inch 0.22%
15 -inch 0.15%
18 -inch 0.12%
22. The Contractor shall provide measurements of the slope of the sewer for each manhole section as construction progresses. Such measurements shall be certified by a
Registered Land Surveyor or Engineer and be available on -site for observation by the District's Inspector. No more than three manhole sections con be constructed in
advance of such measurements. i
23. In the event the Contractor does not meet the minimum slopes, the sewer section and any other affected sewer sections shall be reconstructed to meet such minimum slopes.
24. No roof drains, footing drains and /or surface water drains may be connected to the sanitary sewer system, including temporary connections during construction.
25. Sewers crossing mains shall be laid to provide minimum distance of 18 inches between the outside of the water main and the outside of the sewer. This shall be the case
where the water main is either above of below the sewer. The crossing shall be arranged so that the sewer joints will be equidistant and as for as possible from the
water main joints. Where a water main crosses under a sewer, adequate structural support shall be provided for the sewer prevent damage to the water main. When it is
impossible to obtain proper horizontal and vertical separation as stipulated above, the sewer shall be designed and constructed equal to water pipe and shall be pressured
tested to assure watertightness prior to backfilling.
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.
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.
B. Manholes:
1. Precast reinforced concrete manhole sections and
steps shall conform to ASTM C -478 latest revision.
2. Castings shall s s o be of uniform unlit free from blow
g quality, o b o
holes, porosity, hard spots, shrinkage distortion or
other defects. They shall be smooth and well -
cleaned by shotblosting or by some other approved
method. They shall be coated with asphalt paint
which shall result in a smooth coating. 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
I ASTM C -443 latest revision.
C. Subdroins:
1. Perforated plastic pipe subdrains shall conform to
ASTM D3034 SDR 35 or ASTM D2729.
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 b an waivers. h 1
s of furnish
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all bonds necessary to get permits for cuts and
connections to existing sewers.
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
d 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
notional 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 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 trench as necessary to
protect workers 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 depth of at least 12 inches above
the top of the pipe, bockfill with earth or granular
material free from large stones, rock fragments,
foots or sod. Tamp this backfill thoroughly taking
care not to disturb the pipe. For the remaining
trench depth, backfill with earth or granular
material containing stones or rocks not larger than
4 inches. Backfill under walks, parking areas,
driveways and street shall be granular material
only - thoroughly compacted by approved methods.
Trenches parallel to an within 5 feet of paved
roadways shall be constructed the same.
H. Manhole Inverts: Construct manhole flow channels of
concrete pipe or brick, smoothly finished and of ,
semi - circular section conforming to the inside
diameter of the connecting sewers. Make changes in
size or grade gradually and changes in direction by
true curves. Provide such channels for oil
connecting sewers at each manhole.
I. Subdroins: All Subdroins shall be of the
size as shown and shall be placed as shown on the
plans. They shall be constructed to the grades
shown.
J. 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 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.
PAVING
1. SCOPE OF WORK
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
specifications, including but not limited to:
All streets, drives, parking areas in contract limits
Curbs and 9 utters
Concrete
I sobs
2. MATERIALS
A. Concrete: Concrete shall be ready -mixed and shall
be a mix of proportioned fine and coarse aggregates
with Portland cement n water. Minimum a d ate u cement
content shall be 6 bogs per cubic yard of concrete
and maximum water content shall be 5.5 U.S. gallons
per sack of cement• including moisture in the
aggregate. Slump for normal weight concrete shall
be a maximum of 4 inches n
c es d o minimum a n um of 2 inches.
The slump of machine placed concrete shall be no
less than 1 -1 /4 inches nor more than 3 inches.
Standard test ASTM C -143 shall be used to measure
slump. Compressive strength of conrete at 28 days
shall be 4 i. exterior concrete shall have
000 psi. All e to or co
air entrainment of 4.5% to 7.5% by volume per ASTM C -260.
Retempering of delivered concrete will not be
allowed. Concrete shall be composed of:
1. Portland cement: conforming to ASTM C-150, Type I.
2. Aggregates: conforming to ASTM C -33.
3. Water: Shall be clear and free from injurious
amounts of oils, acids, alkalies organic materials
or other deleterious substances.
B: Welded Steel Wire Fabric: Where required for concrete
reinforcement shall conform to ASTM A185.
C: Premoulded Joint Filler: Shall be non- extruding type
meeting ASTM D -544, except that premoulded joint filler
used in concrete walk construction may be either non -
extruding or resilient.
D. Bituminous Pavement Materials: All m
oteriols ro e
d
os
P P
for the construction of bituminous pavements shall comply
with the Indiana Department of Transportation Specifications,
per latest revisions.
E. Compacted Aggregate Bose: crushed stone or grovel conforming
to INDOT 903.02. Crushed gravel shall be a minimum of 35%
crushed material. Fines shall be limited to a maximum of 8%
of the total. Material shall be free from on excess of
flat, clongoted, thinly laminated soft or disintergrated
pieces, and shall be free from fragments coated with
dirt. Compacted aggregate shall be graded as follows:
SIEVE SIZE % PASSING
1 -1 2" 100
1" 80 -100
3 -4" 70 -90
1/2" 55 -80
#4 35 -60
#8 25 -50
$30 12 -30
200 5 -10
3. APPLICATION
A. Grading: Do any necessary grading in addition to
that performed in accordance with Earthwork Section,
to bring subgrades, after final compaction, to the
required grades and sections for site improvement.
B. Preparation of Subgrade: Remove spongy and
otherwise unsuitable material and replace with
stable material. No traffic will be allowed on
prepared subgrade prior to paving.
C. Compaction of Subgrade: The first 6 inches below
the subgrade shall be compacted to at least 100% of
the maximum dry density as determined by the
provisions of AASHTO T -99. Water shall be prevented
from standing on the compacted subgrade.
D. Utility Structures: Check for correct elevation of
all manhole covers, valve boxes and similar
structures located within areas to be paved and
mark, or have made any necessary adjustments in such
structures.
E. Placing Concrete: f
1. Subgrade: Place concrete only on a moist, compacted
subgrade of base free from loose material. Place no
concrete on a muddy or frozen subgrade.
2. Forms: All forms shall be free from warp, tight
enough to prevent leakage and substantial enough to
maintain their shape and position without springing
or settling, when concrete is placed. Forms shall
be clean and smooth immediately before connecting.
3. Placing Concrete: Concrete shall be deposited so as
to require as little placing as practicable. When
I
oncrete is to be placed at an atmospheric
temperature of 35 degrees F, or less, paragraph
702.10 of the Indiana Department of Highways
Specifications, latest revision shall be followed.
F. Concrete Curb and Gutter:
1. Expansion Joints: Shall be 1/2 inch thick
premoulded at ends of oil returns and a maximum
spacing of 80 feet.
2. Contraction Joints: Unless otherwise provided,
contraction joints shall be spaced joints spaced
10 feet on center.
3. Finish: Tamp and screed concrete as soon as
placed, and fill any honeycombed places. Finish
square corners to 1/4 inch radius and other corners
to radii shown.
G. Concrete Walks and Exterior Steps
1. Slopes: Provide 1/4 inch per foot cross slope.
Make adjustments in slopes at walk intersections ,as
necessary to provide proper drainage.
2. Dimensions: Walks and steps shall be one course
construction and of widths and details shown on the
drawings.
3. Finish: Screed concrete and trowel with a steel
trowel to a hard dense surface after surface water
has disappeared. Apply medium broom finish and
scribe control joints at 6 foot spacing. Provide 1/2"
expansion joints where sidewalks intersect, and at a
maximum spacing of 48 feet between expansion joints.
H. Curing Concrete: Except as otherwise specified,
cure all concrete by one of the methods described in
Section 501.17 of the Indiana Department of Transportation
Specifications, latest revision.
I. Bituminous Pavement: Hot asphalt concrete pavement
shall be as specified in Section 403 of the Indiana
Department of Transporation Specifications, latest
revisions. Paving will not be permitted during
unfavorable weather or when the temperature is 40
degrees F. and falling.
J. Compacted Aggregate Base: The thickness shown
on the drawings is the minimum thickness of the
fully compacted sub -bose: Compaction shall be
accomplished by rolling with a smooth wheeled roller
weighing 8 to 10 tons. Compact to 95% compaction
using modified Proctor procedures. Along curbs,
headers and walls and at all places not accessible
to the roller, the aggregate material shall be
tamped with mechanical tampers or with approved
tampers.
WATER MAINS
1. SCOPE OF WORK
A. The work required under this section includes all
cold water distribution lines, valves, meter pits,
hydrants, and related items including excavating and
backfilling necessary to complete the work shown on
the drawings. The end of water service lines shall
be tightly plugged or capped at the terminal points
pending
the connecting to all
s uch tin es o f the
building piping os specified in the plumbing
specifications and architectural drawings.
2. MATERIALS
A. Ductile Iron Pipe: Ductile iron pipe shall meet
AWWA C -150 and C -151 Specifications. Pipe
to be cement lined per AWWA C -104.
B. Copper Pipe: Shall be ASTM B -88 copper pipe
with I r
so de faint fittings. Solder shall be of o
composition recommended by the manufacturer
of the fittings.
C. Fire Hydrants: Shall comply with AWWA Specification
C -502 and shall meet local standards and
requirements, particularly as to nozzle diameters
and threads, direction of opening and dimensions of
operating and cap nuts Fire Hydrants shall have one
pumper and two hose nozzles. A valve opening not
less than 5 inches and a 6 inch inlet connection.
The length of the hydrant barrel shall be determined
by the specified depth of cover over the pipe.
D. Valves: All valves and stops shall have ends suited
or adapters shall be provided for the proper
installation in the lines in which they are located.
Valves shall meet local standards or in the absence
of such standards, the following requirements.
1. Valves in cot iron i
s o pipe shall be iron
body,
bronze mounted, disc gate valves conforming to
AWWA Specification C -500. They shall open in
the some direction as those used in the local
waterworks system. Valve stems shall terminate
in 2 inch wrench nuts. Furnish two (2) keys.
2. Valves in copper pipe shall be standard brass
body, round -way, ground -key stops, with T heads.
Furnish two (2) keys.
E. Valve Boxes: Shall meet local standards or in the
absence of such, shall comply with the following
requirements:
1. For iron body valves, boxes shall be approved
standard buffalo -type cost iron, adjustable shaft
boxes, having a minimum shaft diameter of 5-1/4
inches.
2. For brass body valves (stops) boxes shall be
approved standard cost iron extension service boxes,
having a minimum diameter of 2 -1/2 inches and having
lid held in place by a br,i!� r bronze bolt. The
castings shall be coated w,t;. ,h its of cool -tar
pitch varnish.
Furnish two (2) keys for bolt in lids.
F. Tops: 3/4" tops in lines smaller than 4 inches shall
be only by topped tee or topping saddle. Water service
lines shall be marked on curbs with blue paint. (Sewer
lateral locations - red).
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. Contractor shall
furnish all necessary bonds to get permits for cuts and
connections.
B. Existing Improvements: Maintain in operating condition
all active utilities and sewers and other pipe system
that may be encountered.
C. Trenching. Lay all pipe in open trenches• except when
local authority gives written permission for tunneling.
Provide separate trench for the water line at least 10
feet horizontclly from any sanitary sewer. In locations
where separate trenches for sewer and water lines are
impracticable, lay the water pipe on a solid shelf at
least 18 inches above the top of the sewer.
D. Width of Trench: Excavate trenches 12 inches each side
of the pipe for proper installation of pipe.
E. Sheeting and bracing: Sheet and brace trenches as
necessary to protect workers and adjacent structures.
All trenching shall comply with the Occupational Safety
and Health Administration Standards.
F. Water Removal: Keep trenches free from water While
construction therein 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.
G. Grading Trench Bottoms: The bottom quadrant of the pipe
shall be fully and uniformly supported. The full load
shall rest on the barrel of the pipe. The trench may be
excavated to a depth of 4 inches or more below final
grade with sand, crushed stone or grovel backfill to
bring it back to pipe laying grade. For a depth of at
least 12 inches above the top of the pipe bocki'M with
earth or granular material free from large stones, roots
or frozen clogs. Tamp this backfill thoroughly taking
care not to disturb the pipe. Backfill under walks,
parking areas driveways and streets with granular
material only and tomp thoroughly, by approved methods.
Trenches parallel to an within 5 feet of paved roadways
shall be constructed the some.
H. Tests: Before joints are covered, fill the piping with
water, opening hydrants or other outlets to expel air.
Test the piping for leakage for a period of at least two
hours at a pressure of 100 pounds per square inch.
Inspect all joints for leakage and remedy any leaks.
Upon completion of the water distribution main s, flush
out the system until the water runs clear. As soon as
the system has been flushed out, it shall be sterilized
in c r n i
a co da ce with the requirements f
s o the I ocal Water
Company.
I. Shop Drawings: Submit Shop Drawings of hydrants and
valves to the local water company for approval.
J. If a horizontal distance of 10 feet cannot be maintained
between the water line and the sanitary sewer line, the
sewer must be constructed of water works grade ductile
iron pipe with mechanical joints within 10' of the water
line.
K. tiliti . I
U es• t 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 contractor's 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.
L. New Water Main construction: Contractor to record
dimension of each water stub and valves from nearest fire
hydrant measured along water main. The locations of
hydrants and water valves, along with any other
construction changes are to be incorporated on the
original construction drawings and "Record Drawing"
prints submitted to the local water company and engineer
as soon after completion of construction as possible.
E�OSION CONTROL
A. Contractor shall at all times insure that erosion control
measures protecting existing drainage facilities be in
p lace prior to the commencement of any phase of
construction or land alteration activity.
B. As soon as areas are brought to finish grade or new
drainage facilities are constructed, contractor shall
construct the applicable erosion control measures
required by and delineated on the approved plan.
C. During site construction activity, the contractor shall:
1. Construct ail perimeter silt barriers.
2. Install and maintain clean crushed stone at all
construction entrances /exits to the site and any
areas used for parking.
3. Prevent construction silts from leaving the site at
all times and place excovted materials away from any
direct drainage flow runoff from the site.
D. Temporary vegetation shall be installed within 7 days
following completion of any phase of grading.
E. Contractor shall inspect all erosion control measures
daily and repair as necessary to prevent erosion.
Siltation shall be removed from areas where failures have
occured and corrective action shall be taken within 24
hours to maintain all erosion control.
F. Perimeter siltation barriers shall be maintained at of
times.
G. At such time that rough grading of the site is complete
and drainage diverts to inlets, inlet erosion control
measures shall be installed at all inlet structures to
keep piping systems free of siltation..
H. Erosion control measures, construction entrances and
siltation barriers shall remain in place until a good
stand of grass has been obtained and /or paving operations
are complete. After complete vegetative establishment or
paving, all silt in pipes, detention facilities and
swales shall be removed within 10 days so that finished
grades are met.
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