Specifications - State of Delaware

SECTION 329200 - TURF AND GRASSES: continued
D. When soil to be seeded has a pH value of less than 5.8, evenly spread ground limestone, which
is dry and free flowing, over area to be seeded at rate that will change soil pH value to 6.5.
Thoroughly mix limestone into upper 3 to 4 inches of soil by discing, harrowing, or other
approved method.
E. Within limits set forth under materials, select fertilizer for use on the project. Use one
selection throughout project. Apply fertilizer in quantity necessary to yield 60 pounds of
nitrogen per acre. Thoroughly mix fertilizer into upper 3 to 4 inches of soil by discing,
harrowing, or other approved method.
F. Water dry soil at least 24 hours prior to seeding to obtain a loose friable seed bed.
G. Before applying seed, remove all stones, rocks, lumps, roots, wires, clods, and other objects
measuring 1/2 inch or larger in any dimension.
3.02 APPLICATION:
A. Broadcast half of seed with mechanical seeder.
B. Broadcast remaining half of seed at right angles to first seeding pattern, using same broadcast
method.
C. Apply seed at the rate specified in the Standard Specifications.
D. Cover seed to depth of 1/8 inch by raking or other approved method.
E. Roll seeded area with roller weighing maximum of 150 pounds per foot of width.
F. Water seeded area until water penetrates to a depth of 3 to 4 inches.
3.03 PROTECTION:
A. Erect temporary signs and barriers to protect seeded areas from pedestrian and vehicular
traffic.
3.04 MULCH INSTALLATION:
A. General:
1. Apply straw or cellulose mulch to seeded areas within 7 days of seed application.
2. Secure straw mulch immediately after placing. Use chemical binder or mulch netting or
secure by crimping or tilling.
3. Install erosion control matting immediately after seed application, where designated on
the plans.
4. Leave all mulch in place and allow to disintegrate, except remove excessive amounts of
straw mulch as directed.
B. Straw Mulch:
1. Quantity of straw mulch shall conform with Section 735 of the Standard Specifications.
C. Binder Straw Mulch:
1. Evenly distribute binder over mulch.
2. Quantity of mulch binder shall conform with Section 735 of the Standard Specifications
and the Delaware Erosion and Sediment Control Handbook.
D. Mulch Anchoring:
1. Mulch crimping or tilling shall be accomplished in accordance with the standards
established in Section 735 of the Standard Specifications.
2. Mulch netting shall be lightweight biodegradable paper, plastic, or cotton, and shall be
securely stapled in accordance with the manufacturer's written instructions.
E. Erosion control matting shall be installed in accordance with the manufacturer's written
instructions and per SECTION 312500 of these Specifications.
F. The quantity of wood cellulose mulch shall be in accordance to Section 735 of the Standard
Specifications.
DEAN329200.DOC 329200-3