738Mulch Sodding

738.01 DESCRIPTION. Furnish, haul, spread, roll, water, and maintain

live grass roots with topsoil at locations shown on the plans or as directed. Fertilize and lime (if required).

738.02 MATERIALS. Mulch sod shall consist of a combination of grass

roots and topsoil. Mulch sod shall be predominately bermuda grass or other approved grass roots reasonably free of weeds and debris. Topsoil shall comply with 715.02. Fertilizer and agricultural lime shall comply with Section 718. Obtain water from any source except do not use brackish, chemically contaminated, or oily water.

738.03 EQUIPMENT. Use a single or double type soil roller or culti-

packer weighing not less than 500 pounds and not more than 1500 pounds. Water wagons, tanks, or sprinkling devices will be required.

738.04 Construction Requirements.

738.04.1 Preparation: Mow and rake the source of mulch sod

approved by the Roadside Development Coordinator when necessary. Do not stockpile mulch sod for more than 48 hours.

738.04.2 Digging and Hauling: Mulch sod shall be free of tree

roots, branches, or other debris. Remove such foreign material prior to the sod being stockpiled or delivered. Depth of removal shall be as specified or as directed but not to exceed 12 inches. Dig and load mulch sod with suitable equipment, and haul to the areas designated and spread to the depth shown on the plans or as directed.

738.04.3 Surface Preparation: Broadcast fertilizer over the entire

area to be mulch sodded before mulch sod is placed and disked. When required, furnish and place agricultural lime in accordance with Section 718 to the area to be mulch sodded prior to scarifying. Scarify and pulverize areas to receive mulch sod to a depth of approximately 3 inches and dress to grade at no direct pay.

738.04.4 Spreading: Spread the mulch sod to a depth of

approximately 6 inches with a minimum amount of root exposure. Do not use spike tooth harrows or drags to spread mulch sod. Dress the mulch sod to grade.

738.04.5 Seeding: Apply seed over mulch sodded area as directed

and in accordance with Section 717.

738.04.6 Rolling: Roll the mulch sod with a culti-packer or soil

roller as directed. Hand-tamp locations inaccessible to rolling equipment.

738.04.7 Watering: Water mulch sod and keep moist until

satisfactory growth is established at no direct pay.

738.05 MEASUREMENT. Mulch sod will be measured by the cubic

yard in approved hauling vehicles at the point of delivery in accordance with 109.01. Fertilizer will be measured and paid for in accordance with Section 718. Agricultural lime, when specified, will be measured and paid for in accordance with Section 718.

738.06 PAYMENT. Payment for mulch sodding will be made at the

contract unit price per cubic yard, which includes all labor, materials, equipment and incidentals necessary to complete the work. Payment will be made under: Item No. Pay Item Pay Unit 738-01 Mulch Sodding (Vehicle Measurement) Cubic Yard