1997-304 - Laserfiche WebLink

Home Browse Search

2.01 Availability The Contractor shall be responsible for purchase excavating, hauling and placement of soils used in landfill operations and maintenance. 2.02 Classifications a. The soils used for embankment, drainage ways, compacted soil cover, and subgrade construction (underlining systems) shall be inorganic sands and silts free of roots, woody vegetation and other deleterious material. The maximum permissible soil clod size Contained in the landfill cover shall be 4 inches. Frequency of deleterious material shall be such that its presence does not adversely affect the landfill operation. b. Topsoil may consist of a mixture of organic clay, silt, and sandy loams containing root fibers, capable of supporting grasses. Part 3 - Construction 3.01 General a. Prior to the start of operations, the Contractor shall submit to the County, for review, the proposed procedures in connection with excavation, moving, placing, and disposition of all materials. Contractor shall not import unsuitable material onto the landfill site. b. If the Contractor purchases borrow from the County, and operates the borrow operations, the Contractor shall strip all topsoil from excavation and fill sites. Topsoil shall be stockpiled for future use in final grading and establishing vegetative cover on the completed landfill. If borrow is purchased from the County any material determined unsuitable shall be disposed of within site boundaries where directed by the County. c. The Contractor shall inform and satisfy himself as to the character, quantity and distribution of all material to be excavated. No material shall be removed from the site without the written approval of the County. All stockpile areas shall be leveled to a uniform line and section and shall present a neat appearance. 3.02 Excavation a. Any onsite excavation to obtain borrow for landfilling operations through a borrow contract with the County shall be performed as indicated on the stormwater permit Drawings which are available from the Solid Waste Disposal District or Engineer (Camp Dresser .& McKee Inc.). b. The Contractor shall be responsible for ensuring positive drainage of all existing and newly graded areas and other construction areas to the stormwater pond south of Segment I and Segment II. During each phase of the Work, all necessary temporary erosion control measures and devices and drainage ditches shall be provided at no additional cost to the County. 2.1-2 0911657101-11147 ArtPixTIFVERVAVIRPM