Problem areas should be sampled separately and compared with samples taken
from adjacent non-problem areas. The location of the sample areas should
be noted and marked on a parcel or planting map for future reference.
1.4.2
Nursery Certifications
[a. Indicate on nursery letterhead the name of plants in
accordance with the LHBH, including botanical common names,
quality, and size.]
[b.
Inspection certificate.]
[c.
Mycorrhizal fungi inoculum for plant material treated]
1.4.3
State Landscape Contractor's License
Construction company shall hold a landscape contractors license in the
state where the work is performed and have a minimum of five years
landscape construction experience. Submit copy of license and three
references for similar work completed in the last five years.
[1.4.4
Plant Material Photographs
Contractor shall submit nursery photographs, for government approval prior
to ordering, for each tree larger than 24-inch600 mm box/ 2-inch50 mm
caliper size.
]1.4.5
Percolation Test
Immediately following rough grading operation, identify a typical location
for one of the largest trees and or shrubs and excavate a pit per the
project details. Fill the pit with water to a depth of 300 mm12 inches.
The length of time required for the water to percolate into the soil,
leaving the pit empty, shall be measured by the project Landscape Architect
and verified by the Contracting Officer. Within six hours of the time the
water has drained from the pit, the Contractor, with the Contracting
Officer and project Landscape Architect present, shall again fill the pit
with water to a depth of 300 mm12 inches. If the water does not completely
percolate into the soil within 9 hours, a determination shall be made
whether a drainage system or a soil penetrant will be required for each
tree and or shrub being transplanted.
1.5
DELIVERY, STORAGE, AND HANDLING
1.5.1
Delivery
1.5.1.1
Branched Plant Delivery
Deliver with branches tied and exposed branches covered with material which
allows air circulation. Prevent damage to branches, trunks, root systems,
and root balls and desiccation of leaves.
1.5.1.2
Soil Amendment Delivery
Deliver to the site in original, unopened containers bearing manufacturer's
chemical analysis, name, trade name, or trademark, and indication of
conformance to state and federal laws. Instead of containers,
[fertilizer,] [gypsum,] [sulfur,] [iron,] [and] [lime] may be furnished in
bulk with a certificate indicating the above information. Store in dry
SECTION 02930
Page 9
Previous Page
