City of Frisco Engineering Standards

3. Alternate to B&B: Plants grown in containers may be accepted as B&B provided that the
plant has been growing in the container for one full growing season prior to delivery.
Alternate must be approved by Owner.
D. Substitutions: Substitutions will be permitted only upon submission of proof that any plant is
not obtainable and authorization by the Owner or his representative by a Change Order
providing for the use of the nearest equivalent obtainable size or variety of plant having the
same essential characteristics with an equitable adjustment of contract price.
E. Biostimulants: shall contain soil conditioners, VAM, and endomycorrhizal and
etomycorrhizal fungi spores and soil bacteria approprieate for existing soil conditions. Submit
manufacturer literature for approval.
2.08 SOIL STERILANT: (Not required.)
2.09 WEED CONTROLLER: Shall be “Round-Up” as manufactured by Monsanto, Inc or approved
equal.
PART 3 – EXECUTION
3.01 LAYOUT
Location and spacing for plants and outline of areas to be planted shall be as denoted by stem
location or by notations on the plan. All tree and shrub planting locations shall be staked by the
Landscape Contractor and shall be approved by the Owner prior to digging the planting pits.
3.02 SCARIFICATION
A. All bed areas to receive planting shall be scarified to a depth of twelve (12”) inches and all
debris, stone, rubbish, and weeds shall be removed from the site.
B. Weed Control: Prior to scarification the Contractor shall apply “Round-Up” herbicide to all
bed areas. Follow manufacturer’s directions as to timing requirements for effective weed
control.
3.03 BED PREPARATION
A. Planting areas shall be dug and soil fully prepared, graded, and made ready to receive the
plants before delivery of plant materials. After planting, all beds shall be one (1”) inch above
finished grade to allow for settling.
B. Groundcover and Vine Planting Areas:
1. Commercial Soil Mix: All planting beds shall be excavated to twelve (12”) inches below
finished grade by Landscape/General Contractor, and all debris, stone, rubbish, weeds,
and topsoil shall be removed from the site. The subgrade shall then be tilled to a depth of
six (6”) inches and the planting bed shall be backfilled with soil compost mix as available
from Living Earth Technology Co., Inc., Dallas, Texas, or approved equal. Upon
replacement of topsoil with mix and after watering in, the bed should be at the specified
level.
City of Frisco May 2012
Standard Technical Specification Tree, Shrub, and Groundcover Planting 329300-3