330 ALASKA 2020 SECTION 619
619-1.01 DESCRIPTION. Furnish, place, and maintain mulch or matting material where shown
on the Plans.
619-2.01 MATERIALS. Use materials that conform to the following:
Mulch Subsection 727- 2.01 Matting Subsection 727- 2.02 Staples Subsection 727- 2.03 CONSTRUCTI ON REQUIREMENTS
619-3.01 SURFACE PRE PARATION. Smooth the surface and backfill all gullies and potholes
before application. Remove all sticks and other foreign material that prevent contact of the mulch or matting and surface. Ensure that the surface is m oist at the time of placement.
619-3.02 APPLICATION . Apply mulch material at the rate specified in the Special Provisions.
If seeding is specified, complete the application of mulch or matting within 24 hours after seed is placed. Staple matting every 5 f eet at joints and edges or as recommended by the manufacturer. Do not use vehicles or equipment which cause rutting or displacement of the subgrade or topsoil.
619-3.03 MAINTENANCE . Reshape and reseed any damaged areas and repair the mulch or
matting as required. Maintain the mulch or matting until all work on the project is complete and accepted.
619-4.01 METHOD OF M EASUREMENT. See Section 109, measured on the slope of the ground
surface.
619-5.01 BASIS OF PA YMENT. Water, maintenance, and repair are subsi diary.
Payment will be made under: PAY ITEM Item Number Item Description Unit 619.0001.____ Mulching SY 619.0002.____ Matting SY 331 ALASKA 2020 SECTION 620 TOPSOIL
620-1.01 DESCRIPTION . Furnish and spread topsoil where shown on the Plans.
620-2.01 MATERIALS. Use materials that conform to the following:
Topsoil Section 726
620-3.01 PLACING. Spread the topsoil evenly on the designated areas to the depth (after
settlement) shown on the Plans. Do not place when the ground or topsoil is frozen, excessively wet, or in a condition detrimental to the work. Keep the roadway surfaces clean of topsoil during hauling and spreading operations.
620-3.02 MAINTENANCE AND REPAIR. Maintain the areas covered by topsoil until subsequent
seeding or landscaping is accomplished. Complete any repairs or topsoil replacement, including damage or loss resulting from winter shutdown, without extra compensation.
620-4.01 METHOD OF M EASUREMENT. See Section 109, measured on the slope of the ground
surface.
620-5.01 BASIS OF PA YMENT. Stockpilin g and rehandling of topsoil during the stripping
operations or during placement are subsidiary. Topsoil repair, maintenance, and replacement are subsidiary. Payment will be made under: PAY ITEM Item Number Item Description Unit 620.0001.____ Topsoil SY 620.0002.____ Topsoil CY 620.0003.____ Topsoil LS