3.2.5
Rolling
Immediately after sodding, firm entire area except for slopes in excess of
3 to 1 with a roller not exceeding [134] [_____] kg per m [90] [_____]
pounds for each foot of roller width.
3.2.6
Watering
Start watering areas sodded as required by daily temperature and wind
conditions. Apply water at a rate sufficient to ensure thorough wetting of
soil to minimum depth of [150] [_____] mm [6] [_____] inches. Run-off,
puddling, and wilting shall be prevented. Unless otherwise directed,
watering trucks shall not be driven over turf areas. Watering of other
adjacent areas or plant material shall be prevented.
3.3
PROTECTION OF TURF AREAS
Immediately after turfing, protect area against traffic and other use.
[3.4
RENOVATION OF EXISTING TURF AREA
[3.4.1
Aeration
Upon completion of weed eradication operations and Contracting Officer's
approval to proceed, aerate turf areas indicated , by approved device.
Core, by pulling soil plugs, to a minimum depth of [_____] mm [_____] inches.
[Leave all soil plugs, that are produced, in the turf area.] [Remove all
debris generated during this operation off site.] [After aeration
operations are complete, topdress entire area [6.35 mm1/4 inch] [12.70 mm
1/2 inch] depth with the following mixture:
[[_____]
percent
sand]
[[_____]
percent
humus]
[[_____]
percent
gypsum]
[[_____]
percent
organic fertilizer]
[[_____]
percent
synthetic fertilizer]
Blend all parts of topdressing mixture to a uniform consistency
throughout.] Keep clean at all times at least one paved pedestrian access
route and one paved vehicular access route to each building. Clean all soil
plugs off of other paving when work is complete.
][3.4.2
Vertical Mowing
Upon completion of aerating operation and Contracting Officer's approval to
proceed, vertical mow turf areas indicated, by approved device, to a depth
of [6 mm1/4 inch] [13 mm1/2 inch] above existing soil level, to reduce
thatch build-up, grain, and surface compaction. Keep clean at all times at
least one paved pedestrian access route and one paved vehicular access
route to each building. Clean other paving when work is complete. Remove
all debris generated during this operation off site.
][3.4.3
Dethatching
Upon completion of aerating operation and Contracting Officer's approval to
proceed, dethatch turf areas indicated, by approved device, to a depth of [
6 mm1/4 inch] [13 mm1/2 inch] below existing soil level, to reduce thatch
build-up, grain, and surface compaction. Keep clean at all times at least
one paved pedestrian access route and one paved vehicular access route to
SECTION 02922
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