Soil & Turf SpecsSECTION 02800
FINISH GRADING, LAWN WORK, WILD FLOWERS
PART I GENERAL
1.01 DESCRIPTION
A. Work includes turf establishment (sod, hydromulch, etc.) as described on
drawings.
B. Make required analysis and material tests for topsoil, fertilizers, and other
materials of similar character per current methods of the Association of Official
Agricultural Chemists, when required.
C. Grass seed shall conform to tolerances for germination and purity per
applicable standards of U.S. Department of Agriculture.
D. The turf contractor shall have a stand of grass established prior to
substantial completion of the project. If this is not possible due to time of year or
schedule, he shall maintain and protect the seeded areas until the grass is
established.
PART II PRODUCTS
2.01 TOPSOIL MATERIAL
A. Topsoil material (stockpiled, as specified in Specifications) has been
saved for use in finish grading. After sifting out all plant growth, rubbish.
and stones, use for areas designated to receive grass. If stockpiled topsoil is not
sufficient quantity to complete work, furnish acceptable topsoil from another approved
source to provide four inches (4') of topsoil for grass areas unless otherwise noted
on drawings. Grass areas shall be defined as the graded areas disturbed during
construction not to be paved or built upon.
B. Acceptable topsoil material shall be defined as natural, fertile, agricultural soil,
capable of sustaining vigorous plant growth, uniform composition throughout
admixture of subsoil, free of stones, lumps, plants, and their roots, sticks, or other
extraneous matter; do not deliver while in a frozen or muddy condition.
A. Provide a commercial balanced fertilizer delivered to the job in bags
labeled with manufacturer's guaranteed analysis. Store in weatherproof storage, place
in such a manner that its effectiveness will not be impaired.
B. Fertilizer shall be a grade containing the percentages of plant food
elements by weight as specified elsewhere in these specifications.
C. Availability of various elements shall be per Standards of the Association
of Official Agricultural Chemists.
2.03 GRASS SEED
A. Grass seed shall be of the previous season's crop and the date of analysis
shown on each bag shall be within nine (9) months of the time of delivc!ry to
the project. When requested by the Owner or Representative, the seeding contractor
shall furnish a sample of seed from each bag for testing.
B. The seed shall comply with all provisions of the U.S. Department of Agriculture
as to labeling, purity, and germination.
2.04 MULCHING
A. Dry straw or hay of good quality, free of seeds of competing plants and at
such rote of 1 1/2 2 tons per acre; or,
B. Wood cellulose or cane fiber mulch at a rate of 1,000 pounds per acre when
the slope is 3/4:1 and steeper; or,
C. A combination of good quality dry straw or hay free of seeds of competing
plants at a rate of 2 1/2 tons per acre and wood cellulose or cane fiber mulch at
a rate of 500 pounds per acre. This combination shall be used when the slope is
flatter than 3/4:1; or,
D. Sericea lespedza seed bearing hay at a rate of 3 tons per acre. This mulch
may be applied green or air dried, but must contain mature seed.
E. Manufactured mulch materials, such as soil retention blankets, erosion control
netting, or others that may be required on special areas of high water
concentration or unstable soils. When these materials are used, follow the
manufacturer's recommendations for installation,
2.05 HYDRO- MULCHING
2.02 FERTILIZER
Wood cellulose fiber or cane fiber mulch will be applied with hydraulic seeding
and fertilizing equipment. All slurry ingredients shall be mixed to form a
homogeneous slurry and spray applied within one hour after the mixture is made.
When wood cellulose or cane fiber mulch is used at the 500 pound per acre
rate, straw or hay mulch with asphalt emulsion is applied over this to complete the
mulch
Wood cellulose or cane fiber mulch at the 1,000 pound per acre rate is used
alone where other mulch material will not stick.
Wood cellulose or cane tiber mulch is self anchoring.
PART III EXECUTION
3.01 RESPONSIBILITY
The site grading contractor will be responsible to stockpile acceptable
topsoil in a sufficient quantity to provide four inches (4 minimum cover for all
grass areas, including but not limited to all curbed islands, and topsoil planting
mounds /berms at the appropriate height and width as defined and shown on the
landscaping and /or planting drawings. The topsoil and grass areas shall be further
defined as any area disturbed during the grading and construction process.
The site grading contractor, shall be responsible to spread the topsoil
within all perimeter graded areas and future building areas only.
The site grading contractor shall be responsible for backfilling of all
curbed islands and planting mounds /berms. They shall also be responsible
for removal of all stones, roots, and raking of all topsoil areas hat are to be
seeded and /or planted. It will also be the site grading contractor's responsibility to
provide fertilizer, grass seed, and any additional topsoil required and mulching.
3.02 GRASS SEEDING
A. Remove stones, roots, rubbish and other deleterious materials from topsoiled
areas that are to be seeded.
B. Immediately prior to sowing seed, scarify ground as necessary; rake until
surface is smooth and friable. Sow seed evenly, lightly wood rake into
02800 -3
C. ground, then roll ground with suitable roller; water thoroughly with fine
spray. During any weather, keep lawn watered with sprinklers or other
approved methods. Re -seed any areas not doing well or damaged. At intervals as
may be required according to seasonal conditions, mow and water grass and execute
necessary weeding until acceptable and full stand of grass has been obtained.
D. Provide permanent grass seeding for lawn areas so indicated. Seed in
accordance with the following schedule (unless otherwise directed by Owner or
Owner's Representative::
1. Sow areas ready for seeding between March 1 and October 1 with Hulled
Common Bermuda at a rate of 85 pounds per acre.
2. Sow areas ready for seeding between October 1 and March 1 with Unhulled
Common Bermuda at a rate of 90 pounds per acre, and Annual Rye Grass at the
rate of 50 pounds per acre.
3. Apply fertilizer at a rate of 20/25 pounds per 1,000 square feet.
3.03 WILD FLOWERS
A. Areas indicated on plans to receive wild flower coverage shall br fine graded,
fertilized, and prepared in a manner similar to traditional turf establishment.
B. Area to be hydromulched with seed mix as follows:
Tickseed
Cosmos
Ox -Eyed Daisy
Side Oats Grama
Showy Primrose
Plains Coreopsis
Black Eyed Susan
Indian Blanket
Texas Bluebonnet
Little Bluestem
3.04 MULCH
A. All areas to be seeded shall be mulched.
B. Mulch materials shall be applied uniformly over the seeded area. Mulch shall
be straw and shall be at the rate of 1 1/2 2 tons per acre.
B. Mulch shall be anchored with an emulsified asphalt binder at the rate of 10
gallons per 1,000 square feet.
3.05 PROTECTION
3.06 MAINTENANCE
10 pounds /acre
15 pounds /acre
5 pounds /acre
4 pounds /acre
0.5 pounds /acre
2 pounds /acre
2 pounds /acre
10 pounds /acre
4 pounds /acre
4 pounds /acre
Provide, at no additional cost to Owner, fencing, railing, wire or other types of
protection for topsoiled and seeded areas against trespassing and damage. If
lawns are damaged prior to Final Acceptance, treat or replace them as
directed. Remove protection when so directed.
Provide maintenance from start of work until Final Acceptance. Maintenance
includes watering of lawns, weeding, mowing, edging, repairs of wash -outs and
gullies, repairs to protection, and other necessary work of maintenance. Maintain
slopes against erosion.
3.07 REHYDROMULCHING
The Owner's representative will designate areas to be replanted. Areas on
which a stand of growing grass is not present in a reasonable length of time,
(Bermuda grass seed should be germinating in 6 -8 days) shall be prepared,
reseeded and remulched, as specified for original planting at no additional cost to
Owner. A stand shall be defined as live plants from seed occurring at a rate of
not less than 1,000 growing plants per square foot. Replanting required because
of faulty operations or negligence on the part of the Contractor shall be
performed without
cost to Owner.
C.
3.08 FINAL CLEAN -UP
A. At time of final inspection of work, and before final acceptance, clean paved
areas that are soiled or stained by operations of work of this section. Clean by
sweeping or washing, and remove all defacements or stains.
B. Remove construction equipment, excess material and tools. Cart away from
site any debris resulting from work of this section and dispose of as directed.
A.
SECTION 02922
SODDING
PART I GENERAL
1.01 DESCRIPTION
A.
Work Included
1. Sod bed preparation
2. Fertilizing
3. Sodding
4. Miscellaneous management practices
B. Related Work Specified Elsewhere
1. Finish Grading, Section 02800
2. Lawns and Grasses, Section 02930
1.02 REFERENCE STANDARDS
A. Standardized Plant Names
American Joint Committee of Horticultural
Second Edition, 1942.
B. Texas Highway Department Standard Specifications for
Construction, Item 164, Seeding for Erosion Control.
1.03 SUBMITTALS
A. Vendors Certification That Sod Meets Texas State Sod Law
1. Include labeling requirements.
2. Include puriity and type.
1.04 PRODUCT DELIVERY, STORAGE AND HANDLING
A Sod:
1. Previous season's crop with date of analysis on each
bag.
2. Furnish andl deliver each variety in separate bags or
containers.
3. Sod to be cut no more than three days before delivery.
B. Fertilizer:
1. Unopened bugs labeled with the analysis.
2. Conform to Texas Fertilizer Law.
1.05 JOB CONDITIONS
Planting Season:
1. Only during suitable weather and soil conditions.
2. As specifica Ily authorized by the Owner's Representative.
B. Schedule Only after all other construction is complete.
C. Protect and Maintain Sodded Areas
1. From traffic and all other use.
2. Until sodding is complete and accepted.
PART II PRODUCTS
2.01 MATERIALS
A. Sod:
1. Sod: As specified on drawings, weed, insect, and
disease free having a minimum of 1 inch of topsoil attached
to the roots and cut no more tha three days prior to
installation.
2. The sod sha II be cut in strips of at least 1/2 sq. yd.
and not more than 1 sq. yd. Sod shall be cut into strips
not less than 12 in width or more than 9' in length. At the
time of harvest, the top growth shall not exceed 3" in length.
3. All sod shall conform to the laws of the State and shall
be obtained from sources meeting the approval of the
Department of Agriculture, Division of Entomology.
B. Fertilizer:
1. Uniform in composition, free flowing.
2. Suitable for application in approved equipment.
3. Analysis of 16 -20 -0, 16 -8 -8 or as directed.
Water:
1. Free of oil, acid, alkali, salts or other substances harmful
to growth of grasses.
PART III EXECUTION
3.01 SOD BED PREPARATION
Nomenclature,
A. Cultivate to a depth of four (4 inches by disking and
tilling with a power tiller.
B. Clear surfaces of all materials:
1. Stumps, stones, and other objects larger than one inch
2. Roots, brush, wire, stakes, etc.
3. Any objects that may interfere with sodding or
maintenance.
C. Prepare sod bed:
1 Remove soil clods larger than one inch (1
2. Grade areas to smooth, even surface, removing ridges
and filling depressions. Final grade to be below finish grade
of curbing and edging as shown on details. All grades shall
meet approval of Owner's Representat've before sodding.
3.02 SODDING
A. Sodding:
1. Lightly water prepared grade, lay sod with staggered
joints and with edges touching. Topdress with topsoil at
edges if necessary to provide smooth surface. On slopes of 2
to 1 and greater, fasten sod in place with wood pegs
(two each piece) or other approved method. Sod damaged by
storage or during installation shall be rejected. Following
settling, topdress with screened, approved topsoil.
2. Water and fertilize at 5 lbs. per 1,000 sq. ft.
3. Sod shall not be placed during a drought, nor during
periods when sod is not normally placed in the area, and
shall not be placed on frozen ground. No dry or frozen sod
is acceptable.
4. The contractor shall keep all keep all sodded areas moist
and growing until Final Acceptance. All areas shall be
maintained in an acceptable condition until acceptance by
Owner.
B. Rolling:
1. After placing sod, roll with a hand roller, weighing not
more than 100 lbs. per foot of width, in two directions.
2. Eliminate all air pockets; finished surface should be free
of excessive undulations.
3.05 MAINTENANCE AND MANAGEMENT
A. Includes protection, replanting, maintaining grades, repair
of erosion damage. Also incluces weekly mowing at 1 1/2"
height until final acceptance.
B. Resodding:
1. Resod damaged or unacceptable areas.
2. Ruts, ridges, and other surface irregularities shall be
corrected.
i DFL Crii, EEC
PARKS OPEN SPACE PLANNING LANDSCAPE ARCHRECTURE
8233B LID CM BLVD, NORTH FICHLAND lila TX 78180 X0730
APR 12, 2011
T4-1143 ELECTRONIC DRAWNG FILE IS RELEASED UNDER THE AUTI- IORITY OF JOIN R. FAN,
LANDSCAPE
FI T T IS ELECTRONIC REGISTRATION A
ILE MAY BE USED AS ABAccKGRoUND DRAWNG. PURSUANT
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DRAWING FILE WITHOUT THE LANDSCAPE ARCHITECT'S EXPRESS WRITTEN PERMISSION.
SOEL AND TURF SFECS.
NOiRTI -I GATEWAY PLAZA
LOT e, 5LOCK 4
DALLAS COUNT''
COFFELL, TEXAS 1011a,, 4141 r'__Lu
KEVIS
.A
L)
FOR APPROVAL ONL
NOT FOR CONSTRUCTION
OWNER
CONTRACTOR
DATE
i,ATE
Project No.
OJNO