3.4.3
Planter Bed Maintenance
Planter beds shall be weeded, fertilized, irrigated, kept pest free, turf
free, pruned, and mulch levels maintained. Planter beds will not be
allowed to encroach into turf areas. A definite break shall be maintained
between turf areas and planter beds.
3.4.3.1
Shrub Selective Maintenance
In addition to the above requirements, shrubs shall be selectively pruned,
and shaped for health and safety when the following conditions exist:
Remove growth in front of windows, over entrance ways or walks, and any
growth which will obstruct vision at street intersections; Remove dead,
damaged or diseased branches or limbs; where shrub growth obstructs
pedestrian walkways; where shrub growth is found growing against or over
structures. All pruning debris shall be disposed of in a proper manner.
3.4.3.2
Tree Maintenance
Tree maintenance shall include adjustment of stakes, ties, guy supports
[and turnbuckles], watering, fertilizing, pest control, mulching, pruning
for health and safety [and fall leaf cleanup]. Stakes, ties, guy supports
[and turnbuckles] shall be inspected and adjusted to avoid girdling and
promote natural development. All trees within the project boundaries,
regardless of caliper, shall be selectively pruned for safety and health
reasons. These include but are not limited to removal of dead and broken
branches and correction of structural defects. Prune trees according to
their natural growth characteristics leaving trees well shaped and
balanced. Pruning of all trees including palm trees shall be accomplished
by or in the presence of a certified member of the International Society of
Arboriculture and in accordance with ANSI Z133.1. All pruning debris
generated shall be disposed of in a proper manner.
[3.4.4
Slope Erosion Control Maintenance
The Contractor shall provide slope erosion control maintenance to prevent
undermining of all slopes in [newly landscaped] [and] [natural growth
areas]. Maintenance tasks include immediate repairs to weak spots in
sloped areas, [and] [maintaining clean, clear [culverts,] and graded
[berms,] [and] [terraces] to intercept and direct water flow to prevent
development of large gullies and slope erosion] [and] [during periods of
extended rainfall, irrigation systems shall be secured.] Eroded areas
shall be filled with amended topsoil and replanted with the same plant
species. [Erosion control [netting] [blankets] damaged due to slope erosion
shall be reinstalled.]
]3.4.5
Removal of Dying or Dead Plants
Remove dead and dying plants and provide new plants immediately upon
commencement of the specified planting season, and replace [stakes,]
[guys,] mulch and eroded earth mound water basins. No additional plant
establishment period will be required for replacement plants beyond the
original warranty period. A tree shall be considered dying or dead when
the main leader has died back, or a minimum of 20 percent of the crown has
died. A shrub or ground cover shall be considered dying or dead when a
minimum of 20 percent of the plant has died. This condition shall be
determined by scraping on a branch an area 2 mm1/16 inch square, maximum,
to determine the cause for dying plant material and shall provide
recommendations for replacement. The Contractor shall determine the cause
SECTION 02935
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