Colonial Michilimackinac State Historic Park Michilimackinac open space site design and implementation

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COLONIAL MICHILIMACKINAC STATE HISTORIC PARK
MICHILIMACKINAC OPEN SPACE SITE DESIGN AND IMPLEMENTATION

PROJECT NO. 96CE-9.01

COASTAL MANAGEMENT PROGRAM
LAND AND WATER MANAGEMENT DIVISION
DEPARTMENT OF ENVIRONMENTAL QUALITY
STATE OF MICHIGAN

Submitted by
MACKINAC ISLAND STATE PARK COMMISSION
MACKINAC ISLAND, MICHIGAN

February 15, 1997

TOTAL PROJECT $ 66,571.83

COASTAL MANAGEMENT PROGRAM $ 27,354.28
(Provided by the Coastal Land Management Act of 1972
administered by the Office of Coastal Zone Management,
Natural Oceanic and Atmospheric Administratioin.)

MACKINAC ISLAND STATE PARK COMMISSION $ 39,217.55

SB
482
.M5
C65
1997
C.1

February 15, 1997

Colonial Michilimackinac State Historic Park:
Michilimackinac Open Space Site Design and Implementation
Project No. 96CE-9.01

Final Report
by
David A. Armour, Deputy Director
Mackinac Island State Park Commission
Project Supervisor

Colonial Michilimackinac State Historic Park, a registered National Historic Landmark, is
located on 25 acres of beach front in Mackinaw City at the Straits of Mackinac. Located at the
northern tip of Michigan's Lower Peninsula this historic park is one of the most scenic and
popular parks in the state. The park is bisectedby the southern approach to the Mackinac Bridge.
To the west of the bridge, 15 acres are managed as an historic site. The 10 acres of park east of
the bridge includes the Old Mackinac Point Lighthouse and Fog Signal Station. Over 200,000
visitors annually enjoy picnicking, bridge viewini and strolling through the park.

This grant was to develop a site design for the 10 acres east of the historic area and to
implement some of the design elements.

In order to select a professional landscape designer a Request for Proposals was sent out
to a large number of designers. Five firms submitted proposals which were evaluated by a staff
committee of the Mackinac Island State Park Commission. Based on a combination of experience
and price the firm of Hansen Krueger Partnership of Dexter, Michigan,vas selected.

The first step in the planning process was for the planners to visit the site to gather data
for base maps of existing conditions. They also met with project director David Armour and park
manager James Debelak to discuss a variety of landscape options. Based on these discussions a
base map was prepared and some preliminary designs were developed. These plans addressed a
number of concerns:

Emphasize the beach front and utilize the existing concrete walk-way.

Eliminate the existing gravel roadways that had been installed when the park was
utilized as a campground.

Provide screen planting to soften or hide the visual impact of the adjacent motel,
the restroom near the parking lot and the parking lot itself

Enhance the circulation pattern by providing a viewing area adjacent to the
Visitor's Center and provide hard surface pedestrian routes along both sides of the
parking lot to Straits Avenue.

Provide shade trees in selected areas.

Cut vistas to lighthouse and bridge to provide interesting views.

Utilize low plantings to break up large grass areas into zones for picnicking,
performing and a future pavilion.

Determine the site for a handicapped telescope.

The preliminary plans were circulated widely to park staff for comment. They were also
reviewed by officials of the, Village of Mackinaw City which has a Heritage Pathway which
traverses the park. Comments were received and the plans were then refined and finalized.

Specifications were set out for concrete walk, lawns and planting and planting details were
provided. Based on the plans and specifications cost estimates were developed which totaled
$233,000 to complete the items in the plan. These estimates will be very valuable in future
planning and budgeting as the park is developed over the next several years.

Funds were available in this grant to undertake a limited number of the projects set out in
the plan. Twenty wooden picnic tables were constructed in accordance with ADA standards and
concrete wheel stops were purchased to define the edge of the parking lot. A special telescope
for persons with disabilities was purchased and installed. The existing gravel pathways were dug
up and the gravel hauled off site for reuse as pathway material at Historic NCR Creek State Park
where a handicapped trail is being improved. Over 500 cubic yards of screened topsoil was used
to fill in and level the former pathways and grass seed was planted to create a park lawn. A
number of trees were cut down to create vistas and their stumps were removed.

In order to screen the unsightly restroorn adjacent to the parking lot a raised wooden
planting area was designed and constructed. Prior to its construction our Curator of
Archaeology, Dr. Lynn Morand, tested the site fbr possible archaeological resources. All areas of
ground disturbance for construction or tree planting are evaluated and monitored by Dr. Morand.

A boardwalk was designed along the west side of the parking lot leading to the restroom.
The materials for the boardwalk were purchased but an early winter made it impossible to install
the walkway in 1996. The walkway will be constructed with park personnel in the spring. The
early winter also made it impossible to plant the trees and shrubs which were acquired with grant
funds. These trees are under contract and will be planted in the spring. The areas to be planted
are the items in the restroom planter and shrubs -to screen the parking lot from the park.

Based on the landscape plan a grant totaling $8,880 was received from Detroit Edison to
plant 3 0 clump birch, 16 maple, 10 oak and 4 white pine trees in the park area in the Spring of
1997.

in summary, the grant has resulted in a landscape master plan for the park east of the
historic area and has made possible the initial projects to implement the plan. The plan has also
helped to attract additional funds to further its implementation. As usual the Mackinac Island
State Park Commission over-matched the project indicating our enthusiasm to carry out the
exciting plan.

Financial Summary:
Salaries $39,217.55
Supplies, Materials & Contracting 27,354.28
TOTAL $66,571.83

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20 August 1996
Revised 23 September 1996

ConstrUCtion Cost Estimate
Maritime Park Improvements
Colonial Michilimackinac
Mackinac island State Parks Commission

Estimate Summary:

General Park Area (Page 2)
Site Improvements $32,000
Planting 65,500

Overlook Plaza (Page 3)
Site Improvements 58,500

West Side Improvements (Page 4)
Site Improvements 54,500
Planting (General Area) 6,500
Planting (Restroom Area) 6,000

Total $223tooo

Cost estimate is based upon plans developed by HKP Landscape Architects, dated '1 -1
ALJgLJSt 1996.

Cost estimate reflects 1996 contracted prices with a 15% contingency added to cover
unforeseen or Unresolved items.

Page I

General Park Area

Item Q)uantity Unit Cost Total Cost

site Improvements:
Miscellaneou5 tree removals and pruning Allow $2,500.00 $2/500.00
Remove bituminous parking area 1,650 sy 2.50 4,125.00
Fill 400 cy 6.00 2,400.00
Timber posts 38 ea 50.00 1,900.00
Remove gravel drives 3000 sy 1.00 3,000.00
4" topsoil, fine grade, seed 5,000 sy 3.00 15,000.00
28,925.00
15% contingency 3,158.00
total 32,083.00
Plantings: Say $32,000.00
A-1 Native Birch (12'-16' ht.) 25 ea $250.00 $6,250.00
A-2 Native Birch 12 ea 250.00 3,000.00
A-3 Native Birch 22 ea 250.00 5,500.00
A-4 Native Birch 12 ea 250.00 3,000.00
A-5 Native Birch 5 ea 1,250.00 6,250.00
B-I Deciduous BR shrubs (4' ht.) 75 ea 15.00 1,125.00
Deciduous BR shrubs (3' ht.) 85 ea 10.00 850.00
B-2 Deciduous BR shrubs (3' ht.) 160 ea 10.00 1,600.00
B-3 Deciduous BR shrubs (4' ht.) 50 ea 15.00 750.00
B-4 Evergreen trees (6'-10' ht.) 8 ea 320.00 2,560.00
Deciduous BB shrubs (6' ht.) 8 ea 75.00 900.00
Deciduous BR shrubs (4' ht.) 25 ea 15.00 375.00
Deciduous BR shrubs (3' ht.) 75 ea 10.00 750.00
B-5 Deciduous EIR shrubs (4' ht.) 25 ea 15.00 375.00
Deciduous BR shrubs W-3' ht.) 175 ea 10.00 1,750.00
Evergreen shrubs (2' spr.) 25 ea 18.00 450.00
C-1 Deciduous canopy trees (Y cal.) 18 ea 400.00 7,200.00
C-2 Deciduous canopy trees (3" cal.) 5 ea 400.00 2,000.00
D-I Evergreen trees (6'- 12' ht.) 12 ea 330.00 3,960.00
Evergreen shrubs (4'-6' ht.) 40 ea 25.00 1,000.00
Deciduous BB shrubs (4' ht.) 25 ea 20.00 500.00
Deciduous BB shrubs (2' ht.) 65 ea 15.00 975.00
E-I Evergreen trees (6'-12' ht.) 18 ea 330.00 5,940.00
57,060.00
15% contingency 8,559.00
total 65,619.00
Say $65,500.00

Page 2'

Overlook Plaza

Item QUanti!y Unit Cost Total Cost

Site Improvements:
Remove bituminous pavement 50 sy $2.50 $112.00
Concrete walk (41 building to plaza 640 sf 3.50 2,240.00
Concrete walk 0") plaza 1,525 sf 3.50 5,338.00
Concrete walk W) plaza to parking entrance 2,160 sf 3.50 7,560.00
Exposed aggregate concrete, flagpole area 65 sf 10.00 650.00
Retaining/seat wall (stone faced) 142 If 200.00 28,400.00
Concrete curb 28 If 15.00 570.00
Wood screen fence (5' ht.) 25 If Allow 800.00
Flagpole (30'aluminum) 1 ea 2,500.00 2,500.00
Benches 3 ea 500.00 1,500.00
Trash receptacles 4 ea 300.00 1,200.00
50,870.00
15% contingency 7,630.00
Total $58,500.00

Pace 3

West Side Improvements

Itern Quantity Unit Cost Total Cost

Site Improvements:
Concrete walks 0") 720 sf $3.50 $2,520.00
Wood deck (board walk on grade) 3,040 sf 12.00 36,480.00
Wheel stops 28 ea 35.00 980.00
Wood walled planter w/ plank seat Allow 5,000.00 5,000.00
Miscellaneous striping, utility adjustment Allow 500.00 500.00
Benches 2 ea. 500.00 1,000.00
Trash receptacles 2 ea 300.00 600.00
$47,080.00
15% contingency 7,062.00
tota 1 $54,142.00
Say $54,500.00

Planting (General Area):
Acer rubruin 0" cal.) 2 ea $600.00 $1,200.00
Native Birch (12'-16' ht.) 10 ea 250.00 -'500.00
Pinus resinosa (10' ht.) 4 ea. 350.00 1,400.00
Deciduous BB shrubs 25 ea - 20.00 500.00
5,600.00
15% contingency 840.00
total $6,440.00
Say $6,500.00

Planting (Restroom Area):
Acer rUbrurn (4" cal.) 4 ea $600.00 $2,400.00
Pinus strobus (8'-12' lit.) 6 ea 350.00 2,100.00
Deciduous BB shrub (6'-7' ht.) I ea 100.00 100.00
Deciduous BB shrubs (2'-3' ht.) 15 ea 20.00 300.00
Evergreen shrub (2' spr.) 13 ea 18.00 234.00
5,134.00
15% contingency 770.00
tota 1 $5,804.00
Say $6,000.00

Paee 4

Specifications

for

COLONIAL MICHILIMACKINAC
MARITIME PARK
Mackinaw City, Michigan

Mackinac Island State Parks Commission

Index to Specifications and Planting Details

Section 0251 O-Concrete Walks 4 Pages

Section 02920-Lawns 6 Pages

Section 02930-Planting 7 Pages

Planting Details

Deciduous Tree Planting
Evergreen Tree Planting
Flowering Tree Planting
Multi stem Tree Planting
Tree staking and Guying
Tree Pruning
Shrub Planting - Single
Shrub Planting - Bed
Typical Plant Spacing
Groundcover/Perennial Planting

Prepared by: HKP Landscape Architects
Hansen Krueger Partnership
3258 Broad Street
Dexter, MI 48130

MARITIME PARK

SECTION 02510 -CONCRETE WALKS

PART ONE - GENERAL

1.01 SUMMARY

A. Section includes concrete walks and base slabs as indicated on drawings and specified
herein.

1.02 JOB CONDITIONS

A Examine work in place on which this work is dependent. Defects which may influence
satisfactory completion and performance of this work shall be corrected in accordance with
the requirements of the applicable section of 'work prior to commencement of the work.

B. Protect the work and adjacent work against damage during progress of the work.
Construction equipment which will damage existing or new pavement shall not be used.

PART TWO - MATERIALS

2.01 CONCRETE

A. Coarse aggregate shall comply with ASTM C33 Class Designation 4S except that the
sum of clay lumps, friable particles and chertshall be less than 4 percent.

B. Ingredients shall be proportioned to produce homogeneous concrete which will attain the
required strength, durability, resistance to deterioration and abrasion, water tightness,
appearance, and other specified properties.

C. Minimum compressive strength at 28 days; shall be 3,500 psi, 5.5% +/- 1-112% air
entrainment, 3" Maximum slump.

2.02 REINFORCEMENT

A. Reinforcing Bars: ASTM A 615, Grade 60, deformed.

B. Welded Wire Fabric: ASTIVI A 185, welded steel wire fabric

2.03 EXPANSION JOINT

A. Preformed expansion joint fillers shall be bituminous fiber type conforming to ASTM D
1751.

2.04 CURING COMPOUND

A. Membrane Forming Curing Compound: A,13TM C 309, Type 1 (clear).

CONCRETE WALKS

PART THREE - EXECUTION

3.01 INSPECTION

A. Examine subgrade whichshall have walks placed for improper grade, poor compaction,
or other conditions which will adversely affecl: execution or quality of the work.

B. Do not place concrete until conditions are satisfactory.

3.02 PREPARATION

A. Setting Forms

1. Compact subgrade under forms and Cut to grade so that form, when set, will be
uniformly supported for its entire length.

2. Firmly stake forms to the required lineand grade; join forms neatly and in such a
manner that joints are free from play or movement in any direction. For sidewalks,
arrange forms to provide cross-slope as indicated.

3. Set forms at least one day's construction ahead of the actual placing of concrete.
Supply of forms shall be sufficient to permit forms being kept in place for at least 12 hours
after concrete has been placed. Clean and oil forms before each use.

B. Before Placing Concrete
1. Maintain finished subgrade in a smooth and compacted @ondition until concrete has
been placed.

2. When the mean daily temperature is less than 35 degrees F., protect the subgrade
from freezing.

3. Immediately prior to placement of concrete, test subgrade for conformity with indicated
cross section by means of an approved template riding on side forms. If necessary,
remove or add material as required to bring all portions of subgrade to correct elevation.
Concrete shall not be placed on any portion of subgrade which has not been tested for
correct elevation. Clear subgrade of loose material which may have fallen upon ft.
Subgrade shall be damp, but not saturated with water.

3.03 INSTALLATION

A. Expansion Joint

1. For unsealed joints, the expansion joint filler strip shall be installed 1/8 inch below the
finish surface of the walk.

2. Provide 1/2 inch thick expansion joints at all points of contact with fixed objects, such
as building, curbs, pavement, poles, signs and hydrants, at intervals not exceeding 30
feet, or as indicated,

CONCRETE WALKS 2

B. Placing Concrete

1. -Place concrete only on a moist compacted base.

2. Deposit concrete so as to require as little re handling as practicable. Placing shall be
continuous between transverse joints or in individual sections of the work.

3. Spade concrete thoroughly along forms and expansion joints, and work carefully into
corners and around reinforcement. Tamp and screed to a dense mass.

4. Vibrators may be used provided they are operated under experienced supervision and
forms are constructed to withstand their action.

5. Walks shall be one-course concrete of widths and depth, and cross-sloped as
indicated.

6. Place wire fabric reinforcement in walks; where indicated.

7. Walks shall be continuous between expansion joints. After initial placement of
concrete, bring surface of concrete to proper section guided by forms.

8. Finish surface of walks and steps to grade and cross section by floating. After floating,
trowel the surface smooth and edge all edges and joints.

C. Control Joints

1. Provide control joints in concrete walks to form panels of sizes indicated. Control joints
shall be at right angles to, and parallel to, building lines or to patterns indicated on
drawings.

2. Control joints in walks shall be 1/4 inch wide by approximately one-fifth the depth of
walk.

3. Form control joints in walks by tooling of- by inserting a pre-molded or metal strip
finished flush with surface when concrete is placed. After the concrete has cured for a
period of not less than one week, remove inserts and clean joints. Joints may be formed
by sawing as soon as the concrete has hardened sufficiently to prevent raveling of the
concrete at edges.

0. Concrete Finish

1. After walk surface has been brought true to grade and cross section by floating, finish
surface of walks with a coarse hair push broom drawn over the surface transverse to the
line of traffic. Take care that concrete surface does not ravel or ball during brooming.

2. Broom out smooth margin of edging tool at joints and slab edges.

CONCRETE WALKS 3

3. Finish surface of walks to grade and cross section by floating. After floating, trowel the
surface smooth and round edges with an edging tool having a radius of 1/4 inch. Then
finish with a fine hair push broom drawn over the surface transverse to the line of traffic.

3.04 CURING

A. Liquid membrane curing compound shall be applied to cover surface completely and
uniformly at a rate which will achieve the performance requirement specified in AASHTO
Specification M148. Apply membrane curing compound immediately behind final finishing
operation. Failure to provide complete and uniform coverage at required rate will be cause
for rejection of all concrete so affected. Take special care to apply curing compound to
pavement and walk edges immediately after forms have been removed.

B. The curing shall continue until the cumulative number of hours or fractions thereof during
which temperature of the air in contact with the contract is above 50 degrees F. has totaled
at least 168 hours. Rapid drying at the end of the curing period shall be prevented.

3.05 CLEANING

A . Concrete spilled on the pavement or structures shall be removed, and the pavement or
structures thoroughly cleaned before the concrete sets. Spilled concrete shall not be
washed into sewers or drains. Restore the site of the work to a neat and sightly appearance,
including removal of excess materials, forms, and equipment.

END OF SECTION 02510

CONCRETE WALKS 4

MARITIME PARK

SECTION 02920 - LAWNS

PART ONE - GENERAL

1.01 SUMMARY

A. Section includes: Lawn work including spreading of topsoil, finish grading,
seeding and maintenance operations as indicated on plans and as specified herein.

1.02 FINAL ACCEPTANCE

A. General: Final inspection and acceptance will be at the end of the turf
establishment period. Acceptance will be based upon a satisfactory stand of turf
having 100 percent ground cover of species established.

B. Areas which do not meet the contract requirements shall be resodded or
resodded. Repair rejected areas of turf within acceptable planting dates as directed
by The Owner.

PART TWO - MATERIALS

2.01 TOPSOIL

A. Topsoil shall be a fertile, friable, sandy-1oam surface soil without admixture of
subsoil and free of roots, trash, debris and other materials deleterious to plant growth.
The pH range shall be 6.5 to 7.5. Organic content shall not be less than 3 percent
and not greater than 10 percent. Clay content shall range from 5 percent to 15
percent.

2.02 SEED

A. Lawn seed shall be fresh, clean, dry new-crop seed composed of varieties, mixed
in proportions, and tested for minimum percentages of purity and germination as
follows by weight.

Variety By Weic ht Purity Germination

Kentucky Bluegrass 30 90 so
Perennial Ryegrass 30 98 90
Creeping Red Fescue 40 95 90

Maximum weed content shall be 0.30 percent.

LAWNS

2.03 MULCHES

X. Straw

1. Provide stalks from oats, wheat, rye, barley or rice that are free of weeds, mold
or other objectionable material.

2. Straw shall be air dry condition and suitable for placing for placing with
commercial mulch blowing equipment.

B. Cellulose Fiber (For hydroseeding)

1. Provide cellulose fiber for use with hydraulic application of grass seed and
fertilizer consisting of specially prepared wood cellulose fiber, processed to contain
no growth or germination-inhibiting factors, and dyed an appropriate color to
facilitate visual metering of the application of materials. On an air-dry weight basis,
provide wood cellulose fiber containing not more than 12 percent moisture, plus or
minus three percent at the time of manufacture, with a pH range from 3.5 to 5.0.
Provide wood cellulose fiber manufactured so that:

a. After addition and agitation in Slurry tanks with fertilizers, grass seeds, water
and other approved additives, the fibers in the material will become uniformly
suspended to form a homogeneous slurry.

b. When hydraulically sprayed on the ground, the material will form a blotter
like cover impregnated uniformly with grass seed.

c. The cover will allow the absorption of moisture and allow rainfall or applied
water to percolate to the underlying soil.

2.04 TACKIFIER

A. Binding agent used to hold mulch material in place shall be a clear non-staining
latex based tackifier or water-soluble polymer such as Curasol, Terra Tack or Fibrex
Spray Sod.

2.05 FERTILIZER

A. Fertilizer shall be a complete fertilizer, part of the elements of which are derived
from organic so-urces. The percentages by weight shall be 10-10-10 or as determined
by soil tests.

B. Fertilizer to be delivered in manufacturer's original unopened containers bearing
the manufacturer's guaranteed analysis. Store in a dry location.

LAWNS 2

PART THREE - EXECUTION

3.01- FINISH GRADING

A. Subgrade Preparation

1. Maintain rough grades in the areas; to be topsoiled in a uniform condition so as
to prevent future depressions. Prior to placing topsoil, repair disturbances to
previously graded areas, remove surplus subgrade material associated with any
landscape construction. Scarify areas to a depth of 12 inches prior to topsoil
placement. Scarifications to have a maximum 2-foot separation and be cut in two
directions, one perpendicular to the other.

B. Placing Topsoil

1. Uniformly distribute topsoil on lawn areas in quantity sufficient to provide full
depth of soil after compaction and finish grading indicated on the drawings.
Topsoil shall be spread, cultivated and lightly compacted to prevent future
settlement, dragged and graded to finished grade.

2. Topsoil, when placed, shall be dry enough so as not puddle or bond. Do not
place topsoil when the subgrade is frozen, excessively wet, extremely dry or in a
condition otherwise detrimental to proper grading or lawn operation.

C. Finished Grades

1. Finished grades shall slope to drain, be free of depressions or other
irregularities after thorough settlement and compaction of soil, and shall be uniform
in slope between grading controls and the elevations indicated.

2. Finished grade for lawn areas shall meet existing grades at contract limits and
be one-half inch below top of curbs and walk paving.

3. Topsoil for seeded lawns shall be graded to within one-half inch below finished
grade.

4. Topsoil for sodded lawns shall be graded to 1-1 /2 inches below finished grade.

3.02 LAWN INSTALLATION

A. Grade Preparation

1. Immediately before or sodding, scarify, loosen, float and drag topsoil as
necessary to bring it to the proper condition. Remove foreign matter larger than
one inch in diameter.

2. If the prepared grade is eroded or compacted by rainfall prior to fertilizing,
rework the surface as specified.

LAWNS 3

B. Fertilizing

1. Uniformly distribute fertilizer by mechanical means at the rate of 20 pounds per
1,000 square feet or as determined by, soil tests.

2. Work fertilizer into the top 3 inches of soil. Cultivating equipment shall be set
so that the fertilizer will not penetrate into the soil more than 3 inches. Do not
apply fertilizer when there is a possibility of rain before lawn areas can be seeded
orsodded.

3.03 SEEDING

A. Sow seed during the months of April, May, August and September, unless
otherwise approved by the Owner's representative. Do not sow seed when weather
conditions are unfavorable, such as during drought or high winds.

B. Perform drill seeding using approved equipment such as cultipacker seeders and
grass seed drills.

C. Drill the seed uniformly to an average depth of one-half inch and at a rate of 3
pounds per 1,000 square feet. All Areas shall be seeded in at least two directions.
Turfgrass seeds shall not be covered by more than one-fourth inch of soil. The
seeding device shall lightly roll the seed tied to provide good moisture contact
between the seed and soil.

0. Water thoroughly and immediately with a fine mist until soil is soaked to a depth
of 3 inches. Maintain soil in a moist condition until seeds have sprouted and reached
a height of one inch. Water thereafter at least once every 14 days unless natural
rainfall has provided equivalent watering.

E. Spread mulch evenly at the rate of 1-1,12 tons per acre. Place all mulch on given
areas within 48 hours after seeding. A mechanical blower may be used to apply
mulch material, provided the machine has been specifically designed and approved
for this purpose. Anchor the mulch by either using a light serrated disc or by spraying
tackifier. If tackier is used, it may be applied either simultaneously or in a separate
application. Take precautionary measures to prevent tackifier materials from marking
or defacing structures, pavements, utilities or plantings.

3.04 HYDROSEEDING (WET APPLICATION METHOD)

A. Apply seed and fertilizer by spraying them on the previously prepared seed bed in
the form of an aqueous mixture and by using the methods and equipment specified.
The rate of seed application shall be four pounds per 1.000 square feet. Apply the
seed, fertilizer and water mixture at a rate not less than 1.000 gallons per acre.

B. Water used shall be obtained from fresh water sources and shall be free from
injurious chemicals and other toxic substances at all times. Identify to the Owner's
representative all sources of water at least two weeks prior to use. The Owner's
representative, at this direction, may take samples of the water at the source or from

LAW114S 4

the tank at any time and have a laboratory test the samples for chemical and saline
content. Use no water from a source which is disapproved by the Owner's
representative following such tests.

C. Mixtures shall be constantly agitated from the time they are combined until they
are finally applied to the seed bed. Once combined, mixtures shall be used within
eight hours; portions not used within 8 hours shall be wasted and disposed of at
locations acceptable to the Owners representative.

D. Direct application nozzle sufficiently upward so that the mixture falls to the ground
in a uniform shower. Never direct spray toward the ground in a manner that
produces erosion or runoff.

E. Apply uniformly and at the prescribed rate, avoiding misses and overlapped
areas, gauging quantities of mixture to measured application areas. Checks on the
rate and uniformity of application may be made by observing the degree of wetting or
by distributing test sheets and observing the quantity of material deposited thereon.

F. The spray method shall not be used during times of high winds.

G. Seed and commercial fertilizer applied by the spray method need not be raked
into the soil.

H. Mulch all seeded areas at the following rates and stabilize with tackifier at rate
recommended by the manufacturer.

1. Straw at two tons per acre.

2. Wood cellulose at 1,500 pounds per acre.

3.07 CLEANING, REMOVAL AND REPAIR

A. Paved areas over which hauling operations have been conducted shall be kept
clean. Promptly remove materials spilled on pavement.

B. Upon completion of lawn installation, remove from the site and legally dispose of
the following:

1. Surplus subgrade material.

2. Stone and foreign matter.

C. Excess topsoil not required for lawns or planting shall be stockpiled on site for
future use as directed by the Owner's representative.

D. Repair existing lawns damaged by operations under the contract. Repair shall
include finish grading, seeding as required to match existing grade and lawn, and
maintenance of repaired areas.

LAWNS

3.08 MAINTENANCE

A". Maintain lawns for at least three mowings after installation or until the substantial
completion inspection of the entire landscape, whichever is greater. Maintenance to
include watering, weeding, reseeding, resodding, mowing, trimming and edging.
Each mowing shall occur when the grass has reached a height of 3-1/2 inches. Mow
to a height of 2 inches. Sodded areas shall be rolled with a 200-pound roller within 30
days after installation.

B, Fill any depressions or settlement that occurs within 90 days following installation.
Reseed or resod as directed by the Owner's representative, bare spots which occur
during the maintenance period.

C. Keep lawns clean and protected from damage during the maintenance period.
Debris which accumulates shall be removed from the site. Promptly repair damaged
lawns except those damaged by major storms.

0. Irrigate as required to supplement natural rainfall so that all lawn areas receive
sufficient water for normal plant growth. Furnish all irrigation equipment needed for
watering and be responsible for securing adequate supply of water.

E. Refertilization shall be repeated after the first two lawn mowings have been made
or as otherwise directed by the Owner's representative. Use the same analysis
commercial fertilizer as required by soil test, applied at 0.5 pounds of actual nitrogen
per 1,000 square feet.

END OF SECTION 02920

LAWNS 6

MARITIME PARK

SECTION 02930 - PLANTING

PART ONE - GENERAL

1.01 SUMMARY

A. Section Includes: Plant materials, installation, soil treatments and plant
maintenance as indicated on drawings and specified herein.

1.02 QUALITY ASSURANCE

A. Certification: All landscape materials shall be from stock inspected and certified
by authorized governmental agencies. The stock shall comply with governmental
regulations prevailing at the supply source and the job site.

B. Plant material selection: Prior to digging and shipment by the nursery, plant
materials may at the Owner's option be tagged for inspection and approval by the
Landscape Architect. Notify the Landscape Architect of tagged material locations at
least four weeks prior to digging.

C. Substdubons: If specified landscape material is not obtainable, notify the
Landscape Architect, who will identify alternate sources or substitutes. Adjustments
will be made at no additional cost to the Owner.

1.03 PRODUCT DELIVERY, STORAGE, AND HANDLING

A. Shipping shall be scheduled to minimize on site storage of plants.

B. Labels: Clearly identify plants with legible labels stating correct name and size of
plant securely attached to individual plants or to bundles of like variety and size.

C. During shipment, plants shall not be bent, stacked, or bound in a manner that
damages bark, breaks branches, deforms root balls, or destroys natural shape.

D. Transport plant material in closed vehicles or in open vehicles with the entire load
properly covered for protection from drying winds, heat, freeAng or other exposure
that may be harmful.

E. If delays beyond the Contractor's control occur after delivery, plants shall be kept
watered and protected from sun, wind, and mechanical damage; root balls shall be
covered with topsoil or mulch.

F. Handle plants at all times in accordance with the best horticultural practices. Lift
B&B materials from the bottom of the ball only. Balled and burlapped plants which
have cracked or broken balls are not acceptable and shall not be planted.

PLANTING

1.05 JOB CONDITIONS

A.- Prior to beginning work, examine and verify the acceptability of the job site and
notify the Landscape Architect of unsatisfactory conditions. Do not proceed with the
work until unsatisfactory conditions have been corrected or resolved.

B. Where planting occurs in close proximity to other site improvements, provide
adequate protection to all features prior to commencing work. Any items damaged
during planting operations shall be promptly repaired to their original condition at no
cost to the Owner.

C. Utilities: Have all underground utilities located by servicing agencies. In the
vicinity of utilities, hand excavate to minimize possibility of damage to underground
utilities.

D. Excavation: When conditions detrimental to plant growth are encountered such
as rubble fill, adverse drainage conditions;, or obstructions, notify Landscape Architect
before planting.

E. Planting Season: Install plants during planting seasons normally recognized in the
job locality for the species being utilized.

1.06 GUARANTEE

A. General

1. Warrant all plant material to be true to botanical name, specified size.

2. After receiving a Notice of Provisional Acceptance, all plant materials shall be
maintained in vigorous condition and warranted against defects including death,
improper maintenance, and unsatisfactory growth for the following time periods.

a. 15 October, one year after fall plantings
b. 15 June, one year after spring plantings

3. The Contractor will not be responsible for defects resulting from neglect by
Owner, abuse or damage by others, or unusual phenomena or incidents beyond
Landscape Installer's control which result from floods, lightning, storms, freezing
rains, or winds over 60 miles per hour, fires, or vandalism.

B. Replacements

1. During the warranty period, replace at no additional expense to the Owner,
plant materials that are dead or that are, in the opinion of the Landscape Architect,
in an unhealthy or unsightly condition, or that have lost their natural shape due to
dead branches, excessive pruning, or inadequate or improper maintenance.
Remove from the site and legally dispose of rejected plant material.

PLANTING 2

2. Only one replacement of any plant is required after Provisional Acceptance,
except for losses or replacements due! to failure to comply with specified
requirements.

3. Replacement plants and planting operations shall be accordance with the
original specifications. Make replacements no later than the next succeeding
planting season. Fully restore areas damaged by replacement operations.

4. If, in the opinion of the Landscape Architect, it is advisable to extend guarantee
for a second growing season, an inspection at the end of extended guarantee
period will be made to determine acceptability of the items involved.

PART TWO -PRODUCTS

2.01 MATERIALS

A. Plant Materials

1. Plant materials shall be true to name and variety described in "Hortus Third", Cornell
University, 1976, or by cultivars generally accepted in the trade.

2. All planting stock shall be nursery-grown in accordance with good horticultural
practice. Plants shall be free of disease, insects, eggs, larvae, and defects such
as knots, sunscald, injuries, abrasions, or disfigurement. They shall be well-
formed, free from irregularities, with the. minimum quality conforming to American
Standard for Nursery Stock.

3. Plants indicated as specimen shall be exceptionally heavy, symmetrical, and
tightly knit, cultured, to be unquestionably superior in form, branching,
compactness, and symmetry.

4. All plant dimensions shall conform to those listed in ANSI A60.1, American
Standard for Nursery Stock.

5. Root Treatment: Root treatments on all plants shall conform to the
requirements of ANSI Z60.1.

a. Balled and burlapped ("B&B") plants shall have a firm, natural ball of earth of
sufficient diameter and depth to encompass the fibrous and feeding root
systems necessary for full recovery of the plant. Balls shall be securely
wrapped with budap and bound with cord. Ball sizes shall meet the
requirements of the ANSI Z60.1.

b. Plants furnished in containers shall have the roots well established in the soil mass
and shall have grown in the container for at least one growing season. Containers
shall be large enough to provide earth-root mass of adequate size to support the plant
tops being grown. Plants, other than groundcovers, over-established in the container,
as evidenced by pot-bound root ends, will not be accepted.

PLANTING 3

c. Bare root plants shall have a root spread sufficient to isure full recovery and
development of the plant.. Take care to avoid injury to or removal of fibrous roots.
Carefully protect roots with wet straw, moss, or other materials so that the plants arrive
with their roots in a moist and healthy condition. Remove broken and injured roots
prior to planting.

6. Plant materials shall be subject to final approval by the Landscape Architect at
the site before installation.

B. Topsoil shall be a fertile. friable, sandy-loam surface soil without admixture of
subsoil and free of stones, roots trash, debris and other materials deleterious to plant
growth. The pH range shall be 6.5 to 7.5. Organic content shall not be less than 3
percent and not greater than 10 percent. Clay content shall range between 5 to 15
percent.

C. Soil Amendments

1. Peat shall meet the requirements of Federal Specification Q-P-166E, Type 11.

12. Superphosphate shall be composed of finely ground phosphate rock, as
commonly used for agricultural purpose, containing not less than 15 percent
available phosphoric acid.

3. Granular fertilizer shall conform to Fed. Spec, Q-F241, Type 1, Level B, and
shall bear the manufacturer's guaranteed statement of analysis. Fertilizer analysis
to be I ON-1 OP-1 OK, or as determined by Landscape Architect upon receipt of soil
test results.

D. Mulch material shall be finely shredded and processed composted bark, free from other
foreign material.

2.02 SOIL MIXES

A. Standard planting backfill shall be topsoil mixed with 3 lbs. superphosphate per
cubic yard of soil.

B. Ground cover beds shall receive 2 inches of peat rototilled into the upper 6 inches
of soil.

PART THREE - EXECUTION

3.01 PREPARATION

A. Layout: Individual plant locations shall be staked on the project site by the
Contractor and approved by the Landscape Architect before any planting pits are
dug. The Landscape Architect reserves the right to adjust plant material locations to
meet field conditions, without additional cost to the Owner.

PLANTING 4

3.02 PLANTING
A. Excavation

1. Rocks and other underground obstructions shall be removed to a depth
necessary to permit proper planting. If underground utilities or other structural
obstructions are encountered, alternate planting locations will be determined by
the Landscape Architect.

2. Planting pits shall be round, with vertical sides and flat bottoms, and sized in
accordance with outlines and dimensions shown on the drawings. Loosen or
scarify in the bottom of all plant pits to a depth of 4 inches.

B. Planting

1. Balled and burlapped plants: Place a minimum of 4 inches of compacted
planting mixture in the bottom of the pit or to depth necessary to set the plant to
required grade. Set the plant in the pit to the proper grade and position, faced to
give the best appearance or relationship to one another and adjacent structures.
Cut away burlap, rope, wire, or other wrapping materials from the top 1/3 of the
ball and remove from pit. Do not remove burlap or ties from sides or bottom of
ball. If plastic wrap or other non-degradable materials are used in lieu of burlap,
completely remove them before placing of backfill. Cleanly cut off broken or frayed
roots. Place planting mixture around the ball and carefully compact to avoid injury
to the roots and to fill the voids. After backfilling planting ph approximately two-
thirds full, add water and allow planting mixture to setfle. After the water has been
absorbed, fill the planting pit with planting mixture and tamp light to grade and form
a watering basin of the size indicated.

2. Plant container-grown stock as specified above for balled and burlapped plants
and as modified herein. Remove containers before planting and sever the sides
of root ball in several places, loosening the roots on the outside of the ball
sufficiently to encourage rapid root extension into the surrounding soil and to
prevent girdling of root mass.

3. eare root stock shall be planted so that the roots are arranged in a natural
position. Remove damaged roots with a clean cut. Planting soil mixture shall be
carefully worked in among the roots. Remainder of backfill of planting soil mixture
shall be tamped and watered as above. Earth saucers shall then be formed
around isolated plants.

C. Fertilizing: Amend all planting backfill and bed mixes at rates specified under
Section 2.02.

D. Mulching: Mulch plant beds, except ground cover, and tree and shrub planting
pits to a uniform depth of 2 inches. Keep mulch out of the crowns of shrubs and off
buildings, sidewalks, light standards, and other structures.

PLANTING 5

E. Pruning

1 , General: After planting, prune the branches of deciduous stock to balance the
loss of roots in such manner as to retain the natural form of the plant type.
Pruning shall be done by workmen experienced in this type of work. Remove
trimmings from the site.

2. Trees: Prune trees by removing all dead wood, badly formed, interfering limbs,
and sufficient other growth to insure healthy and symmetrical growth of new wood.
Up to one-third of the branches may be removed. The proportion is, in all cases,
subject to the approval of the Landscape Architect. In the case of multiple
leaders, preserve the one which will best promote the symmetry of the tree, and
remove or cut back the remainder so that they will not compete with the selected
leader. Cut back surrounding top branches to conform to the leader.

3. Shrubs: Prune shrubs by removing all dead wood and broken branches,
thinning out canes and cutting back or removing unsymmetrical branches.
Pruning shall result in a loose outline conforming to the general shape of the shrub
type. Do not use hedge trimmers or shears.

F. Wrapping: Wrap the trunks of broadleaf trees immediately after planting but not
before the condition of the trunks has been inspected and approved. Wrap trees
beginning at the base and extending to the first branches. Apply wrap in a spiral
manner with an overlap of one-half the width of the paper. Securely tie wrapping at
the top and bottom and at 1 8-inch maximurn intervals with twine.

G. Guying and Staking: Complete guying and staking immediately after planting.
Stakes and guys shall be removed by and become the property of the Contractor at
the end of the warranty period.

H. Maintenance

1. Planting maintenance shall begin immediately after each plant is installed and
shall continue as required until final acceptance at the end of the Guarantee
Period.

2. Inspect plants at least once per week during the installation period and perform
needed maintenance promptly.

3. Irrigate all plants adequately to maintain optimum supply of moisture within the
root zone. If the irrigation system is inoperative, hand watering shall be
accomplished from a source approved by the Landscape Architect. Water shall
not be applied with a force that will displace mulch or cause soil erosion and shall
not be applied so quickly that it cannot be absorbed by the mulch and plants.

4. Prune plants and replace mulch as required.

5. Stakes and guys shall be adjusted or replaced as required. Repair eroded or
damaged plant saucers.

PLANTING 6

6. Maintain all plant beds and saucers weed free. Grass and weeds shall not be
allowed to reach a height of 3 inches before being completely removed, including
root growth.

7. Keep plants free of insects and disease. All insecticides and fungicides applied
to control pests and maintain plants in a healthy growing condition shall be
approved by the Landscape Architect.

8. Fertilize plants at least once during the period of establishment between the
dates of 1 February and 15 March. Fertilization shall be applied by top dressing 1
pound per 100 square feet of plant pit or bed area. Formula for the application
shall be 1ON-IOP-10K.

9. Remove, at no cost to Owner, dead and unacceptable plants as their condition
becomes apparent.

3.03 ACCEPTANCE

A. Provisional Acceptance Inspection: Within 10 days after nobfication of completion
of work, the Landscape Architect will inspect the work and prepare a Notice of
Provisional Acceptance, along with a list of items that require completion or
correction. Issuance of the Notice of Provisional Acceptance shall consfitute the start
of the warranty period for portion accepted.

B,. Final Acceptance Inspection: The final inspection of all planting or phase of
planting work under the contract will be made by the Owner, Contractor, and
Landscape Architect. Before final acceptance will be made, the terms of the warranty
shall be met and the site shall be in the condition stipulated under "Final Cleanup".
Final acceptance inspection of plantings or material planted during recognized
planting seasons will be made during the following September for fall planting and by
the following June for spring planting.

3.04 CLEANUP AND PROTECTION

A. Cleanup: Remove excess and waste material daily. When planting in an area
has been completed, the area shall be cleared of all debris, soil piles, and containers.

B. Repairs: Repair any damage to existing landscape, paving, or other such
features as a result of work related to this contract, to its original condition.

C. Protection: Protect landscape work and materials from damage due to landscape
operations, operations by other Contractors and trades, and trespassers. Maintain
protection during installabon and maintenance periods. Treat, repair, or replace
damaged landscape work as directed.

END OF SECTION 02930

PLANTING 7

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MICHIELEVIACKINAC OPEN SPACE LANDSCAPING

East restroom area prior to roadway removal.

2.
41

East restroom with roadway removed and with topsoil spread and seeded.

MICHILITUACKINAC OPEN SPACE LANDSCAPING

3. 1

West restroom prior to landscaping.

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West restroom with planting crib in place. Planter will be filled with
topsoil and planted with trees and shrubs.

MICHILEVIACKINAC OPEN SPACE LANDSCAPING

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Lighthouse area - with topsoil spread and seeded.

MICHIELLWACKINAC OPEN SPACE LANDSCAPING

Need picnic tables constructed to ADA specifications.

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