6-54 P a y I t e m P a y U n i t
616.08 Sodding Square Yard
SECTION 617 - SOIL CONDITIONERS Reserved SECTION 618 - SEEDING
618.01 Description This work shall consist of furnishing and ap plying seed, and other
materials to areas shown on the plans or as authorized by the R esident.
a.Seeding Method Number 1 shall consist of the application of “Park Mixture”, fertilizer, lime or liquid lime, and humic acid soil conditione r to loamed areas which are expected to be maintained by f requent mowing: i.e. private lawns.
b.Seeding Method Number 2 shall consist of the application of “Roadside Mixture Number 2”, lime or liquid lime, humic acid soil conditioner and fertilizer to existing soils, dirty borrow or loamed areas which are expected to be ma intained by infrequent mowing: i.e. inslopes, ditches, and rural lawns.
c.Seeding Method Number 3 shall consist of the application of “Roadside Mixture Number 3,” inoculant and lime or liquid lime, humic acid soil c onditioner to existing soils, erosion control mix, or riprap areas which are not expec ted to be mowed: i.e. backslopes, guardrail areas.
d.Special Seeding shall consist of the application of a specia l seed mix and amendments as defined by Special Provision.
e.Temporary Seeding shall consist of the application of seed t o control erosion to slopes and stockpiles that have been disturbed during construction and will be left incomplete for more than 30 days. Seed for Temporary Seeding s hall be oats, winter wheat, buckwheat, or rye.
f.Crown Vetch Seeding shall c onsist of the application of seed , inoculant, lime or liquid lime, and humic acid soil conditioner to areas that will not be mowed: i.e. riprap or erosion control mix.
618.02 Materials Materials shall meet the requirements of the f ollowing Sections of
Division 700 — Materials:
6-55 F e r tilizer 717.01 H u m i c A c i d 717.011 A g r i c u l t u r a l G r ound Limestone and Liquid Lime 717.02 Seed 717.03
618.03 Rates of Application Application rates are set forth bel ow. One unit is defined as
1000 ft2.
a.The Contractor shall apply agricultural ground limestone at the rate of 33 pounds per unit. For hydroseeding, liquid lime shall be applied at the ra te of 1 pound (dry weight) per unit, hydraulic method. These rates shall apply to all Seeding Methods and Crown Vetch.
b.The fertilizer application rate for seed establishment shall be 4 ½ pounds / unit, Seeding Method 1 and 2 only.
c.Humic acid soil conditioner shall be applied at the rate of 2 pounds / unit, hydraulic method for Seeding Methods 1, 2, 3, and Crown Vetch.
d.The seed mixture sowing rate for Seeding Method 1 and 2 shal l be 4 pounds/unit.
e.The seed mixture sowing rate for Seeding Method 3 shall be 1 pound unit.
f.The Temporary Seed sowing rate shall be 3 pounds / unit. g. The Crown Vetch Seed sowing rate shall be 1/2 pound / unit. 618.04 Time of Initial Seeding The Contractor shall not seed du ring January, February, or March, or when the ground is fr ozen or snow covered, or at o ther times as the Department may direct.
618.05 Applying Fertilizer and Agricultural Ground Limestone - Conventional Method
The Contractor shall apply fertilizer and agricultural ground l imestone when the soil is moist and before sowing the seed. The C ontractor shall apply these m aterials to the soil by an approved method capable of maintaining a measured rate of appli cation, thoroughly incorporating materials into the soil to a depth of not less th an 1 inch. The Contractor shall not apply these materials simultaneously unless using an approv ed hydraulic method.
618.06 Sowing Seed - Conventional Method The Contractor shall s ow seeding materials
uniformly at the required rate and mulch seeded areas the same day as sown. The Contractor shall roll lawn areas with a light lawn roller after seeding but before mulch is applied.
618.07 Sowing Seed and Applying Fertilizer and Agricultural Gro und Limestone -
Hydraulic Method The Contractor may use the hydraulic spray met hod of sowing seed where approved. The Contractor shall use a commercial machine designed for the hydraulic
Source: Maine Standard Specifications for Road and Bridge Construction, 2020 Edition. Pages 524–525 of 817.