HomeMy WebLinkAbout0037.95.4EARTHWORK
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 of trees and 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 herein
and the source approved by the Owner.
4. the Contractor sholl accept the site as he finds it and shall remove
oil trash, rubbish and debris from the site prior to starting
excavation.
B. Work not included: The following items of related work ore 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 points, if
disturbed or destroyed replace as directed by engineer.
3. REMOVAL OF TREES
A. Remove all trees and stumps from area to be occupied by building and surfaced
areas.
B. All brush, stumps, wood and other refuse from the trees shall be removed
from site.
5. STRIPPING OF TOPSOIL
Remove topsoil through its entire depth 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
sholl 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 and the engineers of any changes, errors or omissions
found on these plans or in the field before work 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 Engineer.
7. SITE GRADING
A. Grades: Do all cutting, filling, compacting of fills and rough grading
required to bring entire project area to subgrode as shown on the
drawings. Under cut open areas 4" for topsoil.
B. Rough grading: the tolerance for paved areas sholl not exceed 0.10 feet
above established subgrode. oil other areas shall not exceed 0.10 feet
plus or minus the established grade. Provide rounding at top and bottom
of banks and other breaks in grade. All open areas shall be graded a
minimum of 2.0%, 2 1/2% at swoles and a maximum of 3/1.
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 filling, shaping and smoothing of quilled or severely
eroded areas.
D. Hove soil tested to check pH and fertility levels. Apply lime to raise
required for type of vegetation being grown (usually 1000 pounds of 12-
12-12 fertilizer per ocre will work with most situations).
E. Work the lime and fertilizer into the soil to a depth at 2 -3 inches with
a small disc, harrow or roke operated across the slope as much as
possible.
F. Firm the soil seed bed where possible. Do not over pack the soil because
too much compacting con restrict water and root penetration in to the
soil.
G. Review charts listed below for the best plant species to fit conditions.
ASPHALT PAVING AND SITE CONCRETE
1. SCOPE OF WORK
The work required under this section includes oil site 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:
A. All streets, parking areas in contract limits
B. Curbs and gutters
C. Sidewalks and concrete slabs, exterior steps
2. MATERIALS
A. Concrete: Concrete sholl be ready -mixed and shall be a mix of
proportioned fine and coarse aggregates with Portland cement and water.
Minimum cement content shall be 6 bags per cubic yord of concrete and
maximum water content shall be 5.5 U.S. gallons per sock of cement,
including moisture in the aggregate. Slump for normal weight concrete
shall be a maximum of 4 inches and a minimum 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 concrete at 28 days shall be 4000 psi. All
exterior concrete shall have air entrainment of 5% to 8% by volume per
ASTM C -260. Retempering of delivered concrete will not be allowed.
Concrete sholl be composed of:
1. Portland cement: conforming to ASTM C -150, Type IA or type IIIA.
2. Aggregates: conforming to ASTM C -33.
3. Water: Shall be clear and free from injurious amounts of oils, acids,
organic materials or other deleterious substances.
B. Welded Steel Wire Fabric: Where required for concrete reinforcbment
sholl conform to ASTM A185.
C. Premolded Joint Filler: Shall be non - extruding type meeting ASTM D -544,
except that premolded pint filler used in concrete walk construction
may be either non - extruding or resilient.
D. Bituminous Pavement Materials: All materials proposed for the
construction of bituminous pavements shall comply with the Indiana
Deportment of Highways Specifications, per latest revisions.
E. Compacted Aggregate Sub -base: Shall be crushed stone or grovel. Crushed
grovel sholl be o minimum of 35X crushed material, fines sholl be limited
to a maximum of 871; of the total. Material shall be free from on excess
of flat, elongated, thinly laminated soft or disintegrated pieces, and
sholl be free from fragments coated with dirt. Compacted aggregate sholl
be graded as follows:
SIEVE SIZE R PASSING
1 -1 2" 100
1" 80 -100
3-4- 79-90
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 Eorthwork Section, to being subgrodes, after final
compaction, to the required grades and sections for site improvement.
B. Preparation of Subgrode: Remove spongy and otherwise unsuitable material
and replace with stable material. No traffic will be allowed on prepared
subgrode prior to paving.
C. Compaction of Subgrode: The first 6 inches below the subgrode shall be
compacted to of least 100% of the maximum dry density as determined by
the provisions of AASH) T -99. Water shall be prevented from standing on
the compacted subgrode.
D. Utility Structures: Check for correct elevation of oil manhole covers.
volve boxes and similar structures located within areas to be paved and
mark, or hove made any necessary adjustments in such structures.
E. Placing Concrete:
1. Subgrode: Place concrete only on o moist, compacted subgrade of base
free from loose material. Place no concrete on o muddy or frozen
subgrode.
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 as practicable. When concrete is to be placed at on
atmospheric temperature of 35 degrees F. or less, paragraph 702.10 of
the Indiana Department of Highways Specifications, latest revision
sholl be followed.
F. Concrete Curb and Gutter:
1. Expansion Joints: Shall be 1/2 inch thick premolded at ends of oil
returns and a maximum spacing of 100 feet.
2. Contraction Joints: Unless otherwise provided, contraction joints
shall be spaced joints spaced 20 feet on center.
3. Finish: Tamp and screen concrete as soon as placed, and fill any
honeycombed places. Finish square corners to 1/4 inch radius and
other corners to rodii 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 o steel trowel to o hard
dense surface after surface water has disoppeored. Apply medium broom
finish and scribe control joints at 5 foot spacing. Provide 1/2
expansion joints where sidewolks intersect, and at a maximum spacing
of 48 feet between expansion joints.
H. Curing Concrete: Except as otherwise specified, cure oil concrete by one
of the methods described in Section 501.17 of the Indiana Deportment of
Highways Specifications, latest revision.
I. Bituminous Pavement: Hot asphalt concrete pavement sholl be o specified
in Section 403 of the Indiana Deportment of Highways Specifications,
latest revisions. Paving will not be permitted during unfavorable
weather or when the temperature is 40 degrees F. and foiling.
J. Compacted Aggregate Sub -base: The thickness shown on the drawings is the
minimum thickness of the fully compacted sub -bose: Compaction sholl be
accomplished by rolling with a smooth wheeled roller weighing 8 to 10
tons. Compact too 90X compaction using Standard Testing Procedures.
Along curbs, headers and wolfs and at all placed not accessible to the
roller, the aggregate material shoal be tomped with mechanical tampers or
with approved tampers.
EROSION CONTROL SPECIFICATIONS
1) This plan is designed as an attempt to prevent any and all
sediment from leaving the construction site by way of erosion. If
erosion of sediment from the site is taking place, the owner sholl
take preventative action immediately. The engineer sholl be
consulted in the event this happens.
2) Temporary seeding is to be applied to any graded area that will
remain unaltered for on extended period of time.
3) Permanent seeding is to be applied immediately to areas that have
achieved final and finished grade.
4) Preserve existing vegetation on the site whenever and wherever
possible to prevent topsoil erosion.
5) All sediment capturing measures ore to be implemented prior to the
disturbance of the construction area they ore intended to service.
6) All erosion control measures proposed are to be properly
maintained to continue their effectiveness.
STABILIZATION JAN FEB. MAR. APR. MAY JUNE JULY AUG. SEPT. OCT. NOV. DEC.
PRACTICE _ -
PERMANENT A��� • / / / /I / / //• ��e�� /�
SEEDING
DORMANT
SEEDING
D�
TEMPORARY C�.� . / / / /I / / / /•�
SODDING - - - - F* * � • / / / / /I / / / //• �� - -
MULCHING G -
A - KENTUCKY BLUEGRASS 40 LBS /ACRE; CREEPING RED FESCUE 40 LBS /ACRE;
PLUS 2 TONS STRAW MULCH /ACRE, OR ADD ANNUAL RYEGRASS 20 LBS /ACRE.
B BLUEGRASS O
PLUS 2 TONS STRAW MULCH /ACRE, OR ADD CREEPING D B
ANNUAL RYEGRASS 30 LS /ACRE.
C = SPRING OATS 3 BUSHEL /ACRE.
D - WHEAT OR RYE 2 BUSHEL /ACRE.
E - ANNUAL RYEGRASS 40 LBS /ACRE.
F - SOD
G - STRAW MULCH 2 TONS /ACRE.
• /I /• IRRIGATION NEEDED DURING JUNE, JULY, AND /OR SEPTEMBER
•• IRRIGATION NEEDED FOR 2 TO 3 WEEKS AFTER APPLYING SOD
SEASONAL SOIL PROTECTION CHART
(NO SCALE)
1 "- H.A.C. SURFACE
2 "- H.A.C. BINDER
3 " - #53 STONE
3 " - #2 STONE
COMPACTED GRANULAR SUBGRADE
A SPHAL T PA VING SECTION
(NO SCALE)
r- W -5.1
COMPACTED GRANULAR SUBGRADE
WEIR OPENING DE TAIL
(NO SCALE)
4' -0'
v
6' ° G
d d
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a a d °
6'. v �
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COMPACTED GRANULAR SUBGRADE
CURB OPENING DETAIL
(NO SCALE)
d
FI I -- a -
BACK
COMBINED
CURB f7G
TOPS01
18"
JPE 1/4* PER FT.
4 V
so
COMPACTED
SUBGRADE
CON CRE TE
GU T TER
18"
(NO SCALE)
M III V SLOPE 1/4- PER FT.
N
Fit! .. o a•..� a• .o,' .�. .
COMPACTED
SUBGRADE
COMBINED CONCRE TE
CURB & GU T TER
DRY TYPE (NO SCALE)
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