REV10233 - Laserfiche WebLink

Home Browse Search

2.3 FERTILIZER Provide granular, pelleted or liquid commercial fertilizer having an 11-46-0 or 18-46-0 yield, of which 50 percent of the nitrogen is in slow release form. 2.4 MULCH Mulch may be natural, consisting of slash, brush, manure and vegetation previously chipped and stockpiled; and/or clean straw, free from noxious weed seed, mold, and other harmful elements; or wood cellulose fiber. A tackifier shall be used with the mulch to bind the material. 2.5 EROSION CONTROL MATS (BLANKETS) 2.5.1 REGULAR EXCELSIOR BLANKET Regular grade excelsior blanket shall be equivalent to XCEL regular grade, with 80 percent curled wood fibers greater than 6 inches long and a top layer of netting composed photo degradable plastic. 2.5.2 HEAVY DUTY EXCELSIOR BLANKET Superior grade excelsior blanket equivalent to XCEL superior grade excelsior, with at least 80 percent curled wood fibers greater than 6 inches long and top and bottom netting composed of photo degradable plastic. 2.5.3 JUTE BLANKETS Heavy duty untreated jute blanket with top and bottom netting composed of photodegradable plastic. 3 INSTALLATION 3.7 DISTURBED AREAS TO BE REVEGETATED All areas disturbed by the construction process that are not a roadway surface or designated for cover with road base surfacing or riprap shall be seeded and fertilized to provide ground cover for erosion control. This includes the sides and bottom of the barge channel. 3.2 TOPSOIL All areas disturbed by the construction process that are not a roadway surface or designated for cover with road base surfacing or riprap shall be covered with a minimum 4-inch thick layer of topsoil. An exception to this is that no topsoil will be required on the sides and bottom of the barge channel. The topsoil shall be spread uniformly over the area and consolidated by track rolling with heavy equipment. SPEC. H -TOPSOIL SEEDING AND MULCHING PAGE 2