|
1. GENERAL
The contractor shall be liable for any damages to property
caused by his operations and in the event of damages, he shall
at his own expense restore all disturbed or damaged areas
to their original condition. All materials, equipemnt and
personnel shall be limited to the work are defined by the
project supervisor.
Trees shall be free of damage as the result of handling or
transportation.
No substitution of plant material is allowed unless written
permission is obtained from the project supervisor prior ro
the delivery date of the material.
All work shall conform to accepted horticultural practices
as ultimately determined by the project supervispor
2. SCOPE OF WORK
Work shall consist of:
1. preparation of areas for planting
2. furnishing and planting of specified trees, unless the
contract is for planting only
3. maintenance of plantings until acceptance by the project
supervisor
4. clean up and restoration of any disturbed areas to the
condition prior to the contractor's operations
3. SCHEDULING OF WORK
The contractor shall submit a proposed work schedule to the
project supervisor for approval at least seven (7) days prior
to beginning operations. After the schedule is accepted, no
modifications will be permitted without written authorizatioon
from the project supervisor.
The contractor shall arrange to confine his operations to
normal working hours for the industry and no work will be
permitted on Sundays and holidays without written authorization
from the project supervisor.
4. PERSONNEL
All personnel will be properly supervised in a manner that
assures that the property is protected from damage; that the
safety of all personnel and the public is protected and that
all contract work is done in a professional manner.
5. PROTECTION OF UTILITIES
Prior to any excavation or the driving of stakes into the
ground, the contractor shall ascertain and have marked out
the location of all underground utilities. The contractor
shall take proper precautions not to disturb or damage any
sub-surface utilities.
In th event that any sub-surface utilities are uncovered or
damaged, the contractor shall immediately notify the project
supervisor so that the contract work may be relocated or stopped
until the damage can be repaired. The contractor shall be
financially responsible for any damage to utilities and structures
and shall properly maintain the protection of same.
6. MULCH
Mulch shall be uniformly shredded hard wood. All foreign material
including twigs, stones, cans, soil, etc. shall be removed
prior to spreading. Mulch shall be between 3" and 4" in depth
and shall not touch the trunk of the tree.
7. LAYOUT
All trees and shrubs shall be located as shown on the plans
supplied by the project supervisor. Should the contractor
encounter obstructions of any nature, he shall notify the
project supervisor who will arrange adjustments. All adjustments
to the plan must be authoriaed in writing.
The project supervisor or his designee shall stake the exact
planting location of each tree in accordance with the plans.
The staking and layout work shall be done sufficiently in
advance of planting to avoid delays to the contractor.
No planting holes shall be excavated in advance of planting
operations. The planting holes must be approved by the project
supervisor prior to the start of the planting operation. Each
plant shall be planted in an individual hole as specified.
All plants shall be set to ultimate finished grade so that
they will bear the same relationship to finished grade as
they bore to the natural grade before transplanting. See the
accompanying planting diagram
for details.
8. WATER
Plants shall be thoroughly watered in after planting. The
project supervisor will notify the contractor if water suitable
for irrigationis avilable on the site. If water is unavailable
on the site, it is the responsiblity if the contractor to
furnish it at the time of planting.
9. NURSERY STOCK
Plant species shall conform to those indicated on the drawings,
plant list, and the publication Hortus Third.
All landscape nursery stock shall conform to the standard
specifications of The American Standard for Nursery Stock
sponsored by the American association of Nurserymen, Inc.
All plants shall be grown under climatic conditions similar
to the job site for a period of not less than two (2) years
immediately prior to this project.
No substitutions shall be permitted in either kind or grade
without written authorization from the project supervisor.
Any material and/or work may be rejected, if, in the opinion
of the project supervisor, it does not meet the requirements
of the specifications. All rejected materail shall be promptly
removed from the site by the contractor at his own expense.
10. QUALITY
Plants shall have the habit of growth that is normal for the
species or cultivar and shall be sound, healthy, vigorous,
free from insects, plant diseases and injuries or damage of
any nature. All plants shall be of the grades specified, neither
large nor smaller, without written authorization from the
project supervisor. No plants shall be pruned, clipped or
trimmed prior to delivery without written authorization from
the project supervisor. All landscape stock must be nursery
grown.
All plants shall have been root pruned at the nursery at least
once during the three year period immediately preceding transplanting
and at least one year prior to transplanting.
All plants must be State Inspected and a copy of the "Certificate
of Inspections" issued by the State Department of Agriculture
at the point of origin must accompany shipments from each
source.
11. SHIPMENT, DELIVERY, INSPECTION, AND ACCEPTANCE
The project supervisor reserves the right to inspect and select
all plant material at its point or origin. Acceptance at the
nursery, in which the plant is growing, prior to transplanting,
does not preclude rejection at the site for just cause.
The plant material is to be delivered to the site in quantities
and on the dates agreed upon by the project supervisor. The
contractor shall advise the project supervisor of all deliveries
at least 48 hours prior to its arrival at the site, so that
all trees can be inspected upon delivery to the site.
All plants shall be tarped, protected from weather and be
adequately pavked to avoid breakage, sun scald, windburn,
dessication and other damage during loading and shipment.
All measures customary in good trade practices shall be taken
to keep the plants in good condition.
No plants shall be planted until they have been inspected
and approved on the site by the project supervisor.
Legible tags shall be attached to each tree. Trees that fail
to meet the specifications set forth in Sections 9 and 10
will be rejected. Rejected plants shall be removed from the
site immediatley and approved replacement stock that meets
the specifications set forth in sections 9 and 10 will be
planted in the prescribed manner by the contractor at his
expense. Final written acceptance of the plants will be given
only after it has been planted and after the requiremnts prescribed
herin are met.
12. TIME OF PLANTING
Prior to commencement of planting, the contractor shall contact
the project supervisor to establish a schedule of planting
trees. Trees will be planted from March 1 through June 30.
13. PLANTING
Unless otherwise specified within these specifications, all
work shall conform to accepted horticultural practices as
ultimately determined by the project supervisor.
Plants shall be protected upon arrival to the site by being
thoroughly watered and properly maintained until properly
planted and watered. Unplanted stock shall be "healed-in"
a bed of material approved by the project supervisor upon
delivery to the site unless they will be planted within four
(4) hours after delivery. At all times workmanlike methods
customary in good horticultural practices shall be exercised.
The contractor shall protect all existing features on the
site including underground utilities, structures, and existing
trees.
All trees shall be planted in pits that are a minimum of two
(2') feet larger in diameter than their ball of earth or their
spread of roots. The depth of the pits shall be equal to the
depth of the root ball after proper planting. The tree shall
be centered in the hole and then back filled one half the
depth of the soil ball with topsoil. The backfill shall be
lightly but thoroughly tamped and well watered. The remainder
of the hole is then to be backfilled withh approved topsoil
to a depth that after settling will assure the tree will be
at the same level it was previously growing at in the nursery.
The tree will be well watered again before mulch is placed
over the surface of the root ball.
14. GUYING, STAKING AND WRAPPING
The installation of tree stakes and supporting materials will
be done to those trees that the project supervisor deems necessary.
Stakes shall be made of wood, of the length and size required
to restrict excessive movement by the tree, as ultimately
determined by the project supervisor. Tie materials shall
be plastic chain lock or flat, woven webbing designed specifically
for staking trees.
For details on proper staking, see the planting
diagram.
Tree trunks shall not be wrapped.
15. PLANTING PREPARATIONS
Prior to backfilling, balled and burlapped trees shall have
burlap and twine removed from around the trunks, stems and
tops of the balls. The burlap shall be peeled back off the
top of the ball, or if bulky, cut away and removed from the
upper three-quarters of the soils ball. No burlap shall be
pulled out from underneath the ball.
Wire baskets shall be removed from the root balls after the
trees are set in the planting pit by cutting with any tool
that does not destroy the integrity of the root ball or injure
the tree roots.
Backfilling shall be lightly but thoroughly tamped and well
watered as described under planting. Only the prescribed approved
topsoil may be used to backfill the holes during planting
operations. Unsuitable exacavated material, as designated
by the project supervisor shall be removed from the site by
the contractor at his expense.
16. MULCHING
Shredded hardwood mulch supplied by the contractor shall be
free of debris and shall be placed by the contractor around
all plantings at the time of planting to a depth of three
(3") inches as shown in the planting
diagram. Care shall be exercised to keep mulch three (3")
inches away from the bases of all plantings. After the mulching
operation has been approved by the project supervisor, the
mulch shall be thoroughly watered.
17. PRUNING
The contractor shall not prune any plant.
18. CLEAN-UP
During the course of operations, the Contractor shall remove
from the property at his expense all excess and waste materials.
Any damaged lawn areas or planting areas will be restored
to their original condition by the contractor at his expense,
if such damage is the result of the contractors; opreations.
19. INSPECTION FOR ACCEPTANCE
Inspection: The contractor shall notify the project supervisor
when planting is completed and shall request an inspection
in order to determine whether or not the project meets the
specfications contained herein. If the work is acceptable,
a written notice shall be provided stating so. If deficiencies
are found in the work, a list of items requiring attention
shall be furnished to the contractor by the project supervisor.
The deficiencies shall be corrected by the contractor within
ten (10) days and a re-inspection shall be made. This procedure
will continue until the work is found acceptable.
Acceptance: After inspection, the contractor will
be notified in writing by the project supervisor of the acceptance
of all work.
|