Complete Compiled Specification.pdf - Peck Ormsby Construction

D. Backfill
A. The backfill recommended should be thoroughly blended with native soil prior to use for backfill
purposes. Also, any use of iron sulfate should not contact cement surfaces since severe staining
could occur.
All native plant material shall be backfilled with native site soil.
D. Plant Packet fertilizer:
Use Nutri-Pak 3 year commercial fertilizer packets placed equally around the plant 6 - 8 inches deep
near, but not direct contact with roots.
1) 16-8-8 for trees, shrubs and vines in the following amounts:
Plant Size No. of 3 year packets
1 gallon 1
5 gallon 2
15 gallon 3
24" box 4
30" box 5
36" box 6
42" box 7
48" box 8
Refer to Nutri-Pak instructions for further information. Contact Evans L. Slater of Cynevan Associates
(619)323-2250.
3.06 TREE, SHRUB AND VINE PLANTING
A. Percolation Testing:
1) Upon completion of the rough grading of the site, the Owner's Representative shall identify a
typical location for one of the largest specimen box trees. Landscape Contractor is to confirm
with Landscape Architect or Owner's Representative for frequency of testing. The contractor
shall excavate the pit for the tree per the project specifications and details.
2) With the Owner present, the Contractor shall fill the pit with water to a depth of 12", if
possible. The length of time required for the water to percolate into the soil, leaving the pit
empty, will be measured by the contractor and verified by the owner's Representative.
3) Within six hours of the time the water has drained from the pit the Contractor, with the Owner
present, shall again fill the pit with water to a depth of 12". If water does not completely
percolate into the soil within 9 hours, a determination will be made by the Owner as to
whether or not a drainage system for each tree will be required. Refer to specimen tree and
palm tree drainage details.
B. Refer to Planting Details for construction and sizes of plant pits.
C. Fill soil around ball of plant and water it thoroughly, using back fill of soil as recommended. Back fill
shall be settled by tamping and refilling to form a shallow basin as wide as the ball, around each
plant for watering. This is to be prior to ground cover installation.
D. All plants shall be set so that, when settled, the rootballs are exposed approximately 1 inch above
finish grade. No native soil will be allowed to cover root ball.
E. No material shall be planted if the ball is broken or cracked either before or during the process of
SEGO LILY ELEMENTARY SCHOOL CLASSROOM ADDITION MARCH 2, 2009
LANDSCAPING 02900-6