HomeMy WebLinkAbout04120025.5EARTHWORK
1. SCOPE OF WORK
A. Extent, The work required under this section
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consists of all excavating, filling, rough grading
polypropylene meeting the physical properties below.
and related items necessary to complete the work
All stakes shall be 2" X 2" hardwood 36" tall with 24" tall lath stapled
Indicated on the drawings and described In the
specifications.The Contractor shalt notify In
field assembly
writing the owners and the Engineer of any changes,
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errors, or omissions found on the plans or In
4 oz /syd
the field, before work Is started or resumed.
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1. In generat, the Items of work to be
Warp 50 %
performed under this section shall Inctudel
50 lbs.
clearing and grubbing, removal of trees and
200 psi
stumps (where required), protection of trees
> 70 %
to remain, stripping and storage of topsoil,
50-80
fill compaction and rough grading of entire
225 gpm /sq. ft
site.
75 X
2. Excavated material that Is suitable may be
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used for fills. All unsuitable material and
Wet
alt surplus excavated material not required
Dry
shalt be removed from the site. The
Soil
location of dump and length of haul shall be
the Contractor's responsibility.
02
3. Provide and place any additional fill
1
material from off the site as may be
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necessary to produce the grades required.
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Fill obtained from off site shalt be of kind
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and quality as specified for fills herein
and the source approved by the Owner.
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4. The Contractor shalt 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 inctudedo The following Items of
2
related work are specified and Included In other
1
sections of these speciflcationsi
1
1. Excavation, grading and backfilling for
1
utility lines
1
2. Storm drainage systems
12 -18
3. Sanitary sewer systems
4. Streets and paving
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5. Water supply system
2
2. BENCH MARKS
2
Maintain carefully all bench marks, monuments and other
1
reference polntsi If disturbed or destroyed, contractor
Med.
shall contact engineer.
25-35
3. REMOVAL OF TREES
10 -20
A. Remove all trees and stumps from area to be
occupied by road and surfaced areas. Removal of
Poo protinsis
trees outside these areas shalt only be done as
noted on drawings or approved by the Owner.
B. All brush, stumps, wood and other refuse from the
trees shalt be buried onsite or removed to disposal
areas
off of the site. Disposal by burning shall not
be permitted unless proper permits are obtained
(where applicable). The location of on site bury
pits shall be designated by the owner or the
2
Engineer.
1
4. PROTECTION OF TREES
1
A. General Protections The Contractor shalt be
Low
responsible for the protection of tops, trunks
24-35
and roots of existing trees on the project site
5-14
that are to remain. Existing trees subject to
construction damage shalt be boxed, fenced or
Festuca L arundinacee
otherwise protected before any work Is startedi
do not stockpile within branch spread. Remove
interfering branches without Injury to trunks and
cover scars with tree paint.
5. HANDLING OF TOPSOIL
A. Remove all organic material from the areas to be
occupied by buildings, roads, walks and parking
areas. Pile and store topsoil at a location
2
where it will not Interfere with construction
2
operations. Topsoil shall be reasonably free
1
from subsoil, debris, weeds, grass, stones, ect.
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B. After completion of site grading and subsurface
15 -20
utility Installation, top salt shalt be replaced
5-10
In areas designated on the erosion control plan
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for seeding and /or sodding. Any remaining top
Lolium perenne
soil shalt be used for finished grading around
structures and landscaping areas.
6. DISPOSITION OF UTILITIES,
A. Rules and regulations governing the respective
utilities shall be observed In executing atl work
under this section.
B. If active utilities are encountered but not shown
on the drawings, the Engineer shall be advised
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before work is continued.
1
C. Inactive and abandoned utilities encountered In
-
excavating and grading operations shalt be
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reported to the Engineer. They shall be removed,
5-10
plugged or capped as directed by the Utility
14 -21
Company and the Engineer.
D. It shall be the responsibility of each contractor
Coroniila varia
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.
7, SITE GRADING,
A. Gradest Contractor shall perform all cutting,
fitting, compacting of fills and rough grading
-
required to bring entire project area to grade as
-
shown on the drawings.
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B. Rough Grading, the tolerance for paved areas
Meal
shall not exceed 0.10 feet plus or minus above
7 -10
the established subgrade. All other areas shall
5-10
not exceed 0.10 feet plus or minus the
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established grade. All banks and other breaks In
Trifolium protense
grade shall be rounded at top and bottom.
C. Compaction Requirements,
1. All building pad areas shall be compacted to
standards specified by local and /or state
building codes.
2. For compaction requirements of paved areas,
see street specifications.
Earth Work Balance
The Contractor shall confirm all earthwork quantities
prior to start of construction. If an excess or
shortage of earth Is encountered, the Contractor shall
confirm with the Owner and Engineer the requirements
for stockpiling, removal or Importing of earth.
Minor adjustments to the grades may be required to
earthwork balances when minor excess material or
shortages are encountered. It is recognized by the
parties hereto that the calculations of the Engineer
In determining earthwork quantities shall be ac-
complished In accordance with the American Society of
Civil Engineers Standards for such calculations.
Further, that these calculations are subject to the
Interpretations of soil borings as the physical limits
of the various soil types, also the allowable variation
In finish grade and compaction permitted the contractor,
and that all of these parameters may cause either an
excess or shortage of actual earthwork materials to
complete the project. If such an actual minor excess or
shortage of materials occurs, the contractor shall
contact the engineer to determine If adjustment can be
made to correct the Imbalance of earth.
STREETS
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 too
All streets, parking areas In contract limits
Curbs and gutters
Sidewalks and concrete slabs, exterior steps
MATERIALS
A. Concrete - Concrete shall be ready -mixed concrete
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
yard of concrete and maximum water content shall
be 5. 5 U. S. ga t tons per sack of cement, I nc l ud I ng
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 8X by volume per ASTM C
-260. Retempering of delivered concrete will not
be allowed. Concrete shall be composed oft
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 olts, acids, alkalizes,
organic materials or other deleterious
substances.
B. Welded Steel Wire Fabric - Where required for
concrete reinforcement shall conform to ASTM A185,
C. Premoutded Joint Fitter - Shalt be of non
- extruding type meeting ASTM D -544 except that
premoutded Joint 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 Department
of Transportation specifications, per latest
revision.
E. Compacted Aggregate Subbase, Shall be crushed
stone or gravel. Crushed gravel shall be a
minimum of 35% crushed material. Chert shall be
limited to a maximum of 8% of the total. Material
shall be free from an excess of flat, elongated,
thinly laminated, soft or disintegrated plecesl
and shall be free from fragments coated with dirt.
Compacted aggregate shalt be graded as follows#
SIEVE SIZE X 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
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 AASHO 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
make, or have made, any necessary adjustments In
such structures.
E. Placing Concrete
1. Subgrade - Place concrete only on a moist,
compacted subgrade or base free from loose
mater Iat. 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
concreting.
3. Placing Concrete - Concrete shall be
deposited so as to require as little
rehandling as practicable. When concrete Is
to be placed at an atmospheric temperature of
35 degrees F. or less, paragraph 702 10 of
the Indiana Department of Transportation
Specifications latest revision shall be
followed.
F. Concrete Curb
1. Expansion Joints - Shalt be 1/2 Inch thick
premoulded between storm structures & curb.
2. Contraction /Control Joints - Unless otherwise
provided, contraction Joints shalt be sawed
or scored Joints spaced 10 feet on center, except for
Intersection radii where Joints shall be placed 5' o. c.
3. Finish - Tamp and screed concrete as soon as
placed, and fill any honey combed places.
Finish square corners to 1/4' 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 5
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 shalt be as specified In Section 403 of
the Indiana Department of Transportation
Specifications latest revisions. Paving will not
be permitted during unfavorable weather or when
the temperature Is 40 degrees F. and fatting.
J. Compacted Aggregate Subbase - the thickness shown
on the drawings is the minimum thickness of the
fully compacted subbase. Compaction shalt be
accomplished by rotting with a smooth wheeled
roller weighing 8 to 10 tons. Compact to 90%
compaction using Standard Testing Procedures,
Along curbs, headers and walls and at alt placed
not accessible to the roller, the aggregate
mater IQt shall be tamped with mechanical tampers
or with approved hand tampers.
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* "VAN ACCESSIBLE" TO BE NOTED FOR
SPACES DESIGNATED FOR THAT USE.
GREEN - ILLUMINATING TAPE (LETTERS)
BLUE - ILLUMINATING TAPE (SYMBOL BLOCK)
WHITE - ILLUMINATING TAPE (BACKGROUND)
GREEN - ILLUMINATING TAPE (ARROW)
GREEN - ILLUMINATING TAPE (BORDER)
HANDICAP PARKING SIGN DETAIL
NO SCALE
HANDICAPPED PARKING SIGN
.► SIDEWALK w
- 4" WIDE
BLUE STRIPE
45'
go 9' g'
)ICAPPED MIN. HANDICAPPED
TYP. TYP.
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HANDICAP PARKING STALLS
NO SCALE
STOP SIGN INSTALLED IN
rl LANDSCAPE AREA
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MIN. TO
CURB
/- MOWING EDGE
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Silt Fence shall be a machine produced, non -woven geotextile of 100%
polypropylene meeting the physical properties below.
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All stakes shall be 2" X 2" hardwood 36" tall with 24" tall lath stapled
to stakes over fabric as reinforcement.
All silt fence shall be prefabricated by the supplier. No
field assembly
will be accepted.
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FabricWeight ............................ ...............................
4 oz /syd
FE
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CONCRETE FOOTING
Warp 50 %
TRAFFIC SIGNAGE
NO SCALE
10" DIA.
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"
18 R.
NOTE: ALL STRIPES TO BE 4" PAINT
PAINTED HANDICAP
SYMBOL DETAIL
NO SCALE
Temporary Seeding Dates
HANDICAP, NO PARKING SIGN
INSTALLED IN PARKING LOT.
HANDICAP LOCATIONS 2 -SIDED
n WHERE STALLS FACING.
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2" STEEL PIPE, ROUND OR SQUARE,
SET IN CONCRETE
STEEL PIPE FILLED W/ CONCRETE
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CONCRETE FOOTING
Jan I Feb I Mar I Apr I May I Jun I Jul ]Aug ISep IOct Ilov IDec I
Wheat or Rye
Oats
Annual Ryegrass
Permanent Seeding
Non - Irrigated*
Irrigated
Dormant
Seeding**
Irrigation needed during this period. To control
erosion at times other than in the shaded areas,
use mulch.
* Late summer seeding dates may be extended 5 days
if mulch is applied.
** Increase seeding application by 50X.
FIGURE 5 -3
Temporary Seedings
Kind of Seed 1000 Sq. Ft. Acre Remarks
Wheat or Rye 3.5 lbs. 2 bu. Cover seed 1" to
1 1/2" deep
Spring Oats 2.3 lbs. 3 bu. Cover seed 1" deep
Annual ryegrass 1 lb. 40 lbs. Cover seed 1 /4 "deep*
* Not necessary where mulch is applied.
SILT FENCE
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Silt Fence shall be a machine produced, non -woven geotextile of 100%
polypropylene meeting the physical properties below.
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All stakes shall be 2" X 2" hardwood 36" tall with 24" tall lath stapled
to stakes over fabric as reinforcement.
All silt fence shall be prefabricated by the supplier. No
field assembly
will be accepted.
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FabricWeight ............................ ...............................
4 oz /syd
Grob Strength ........................... ...............................
Warp 125 lbs.
Elongation................................. ...............................
Warp 50 %
Trapezoidal Tear Strength ........ ...............................
50 lbs.
BurstStrength .......................... ...............................
200 psi
UVResistance ........................... ...............................
> 70 %
A.O. S .......................................... ...............................
50-80
Slung Flow Rate ....................... ...............................
225 gpm /sq. ft
Sediment Retention .................. ...............................
75 X
Silt Fence Matr -`-'
Fence Post
Fence Post Should
be Buried 1' Below
Ground Surface
/--Stakes O 5' O.C.
Ground Surface
ice Material Should
be Burled 6" Below Ground
Surface.
SILT FENCE DETAIL
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Seedbed Preparation
Apply lime to raise the pH to the level needed for species being
seeded. Apply 23 pounds of 12 -12 -12 analysis fertilizer (or equivalent) per
1000 sq. ft. (approximately 1000 pounds per acre) or fertilize according to
test. Application of 150 lbs. of ammonium nitrate on areas low in organic
matter and fertility will greatly enhance vegetative growth.
Work the fertilizer and lime into the soil to a depth of 2 -3 inches
with a harrow, disk or rake operated across the slope as much as possible.
Seeding
Select a seed mixture based on projected use of the area (Figure 5-2),
while considering best seeding dates. See Figure 5-3 this sheet. If toler-
ances are a problem, such as salt tolerance of seedings adjacent to streets
and highways, see Figure 5 -4 this sheet before final selection.
Mulch Rate
Mulch is to be applied at 2,000 to 3,000 pounds per acre in areas not
covered by erosion control blanketing. Mulch must be anchored using a mulch
anchoring tool or farm disk with dull, serrated, straight set blades, or bulldozer
cleats driven up and down slope.
Figure 5-2: Permanent Seed Mixtures
Species Seeding Rate Suitable pH Site Suitability*
lbs/acre lbs/1000 well
sq. ft. Droughty Drained Wet
Level and Sloping, Open Areas
1. Tall Fescue 35 .8 5.5 -8.3 2 1 2
2. Tall Fescue 25 .6 5.5 -8.3 1
Red Clover** 5 .12
3. Kentucky Bluegrass 15 .4 5.5 -7.5 2 1
Creeping Red Fescue 15 .4
Steep Banks and Cuts
4. Tall Fescue 15 .4 5.8 -7.5 2 1 2
Kentucky Bluegrass 25 .6
5. Tall Fescue 35 .8 5.5 -8.3 2 1
Emerald Crownvetch ** 10 .25
Lawns and High Maintenance Areas
6. Kentucky Bluegrass 40 .9 5.8 -7.5 2 1
Creeping Red Fescue 40 .9
7. Perennial Ryegrass 170 4.0 5.0 -7.5 1
(Turf Type)
8. Tall Fescue 170 4.0 5.5 -8.3 2 1 2
* 1 - Prefer, 2 - Will Tolerate ** Inoculate with specific Inoculant.
Ranking: Salt Tolerance (to both soil salts do spray):
1 Good T Tolerance
2 Medium MT Medium Tolerance
- Not tolerant S Slight Tolerance
FIGURE 5 -4
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SOIL
CONDITION
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Salt
Tolerance
Wet
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Dry
Gen.
Soil
Spray
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Creeping Red Fescue
Festuca rvbra
2
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2
1
1
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Med.
1
20 -25
12 -18
7 -21
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Kentucky Bluegrass
2
1
2
1
1
1 1
Med.
1
25-35
12 -18
10 -20
MT
Poo protinsis
Tall Fescue
2
1
1
1
1
1
Low
1 1
24-35
24-36
5-14
Festuca L arundinacee
T
Perennial ryegrose
2
1
2
-
1
2
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2
15 -20
12 -18
5-10
MT
Lolium perenne
High
Crownvetch
-
1
1
2
-
-
Low
1
5-10
24
14 -21
T
Coroniila varia
Red Clover
-
1
-
2
-
-
Meal
1
7 -10
18
5-10
S
S
Trifolium protense
Ranking: Salt Tolerance (to both soil salts do spray):
1 Good T Tolerance
2 Medium MT Medium Tolerance
- Not tolerant S Slight Tolerance
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PE19800489 ,
STALE OF
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BY: n
DATE: lZ i7„cr
SHEET
C801
OF
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JOB #: WRC.002