1997-07-14_REVISION - M1988112 - Laserfiche WebLink

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BATTLE MOUNTAIN RESOURCES Page 5~2 San Luis Project Ta:hnical Specifications shall be sloped to drain so that erosion is limited to the greatest extent practicable and no ponding develops from direct precipitation and runoff Final cut slopes in borrow areas shall have a smooth regular surface free of all drop-offs. 5.1.4 Ezcess Excavation All necessary precautions shall be taken to preserve the material below and beyond the lines of excavation in the soundest possible condition. Excess excavation and over-excavation shall be refilled with compacted materials meeting applicable requirements and furnished and placed to the satisfaction of the Designer at the Contractor's expense. Unless otherwise slecified, over- excavation within bedrock shall be backfilled with lean concrete, secured with d~?wels or other suitable means, to return to grade, which is placed to the satisfaction of [he Designer. Excess excavation required for pipe installation shall be backfilled with the specified bedding material to the specified thickness. 5.1.5 Disposal of Excavated Materials Excavated materials that are unsuitable for construction as determined by the Designer, or aze in excess of permanent construction requirements, shall be wasted. Waste pile locarions proposed by the Contractor shall be subject to the Owner's and/or Designer's approval. Tailings materials generated from required excavations which are in excess of construction requirements or unsuitable for construction must be placed in waste piles located within the limits of the current tailings aeeas. The location and configuration of any tailings waste piles shall be subject to the Designer's approval. Placement of the tailings waste will nog: interfere with the natural flow within storm drainage areas. The waste piles will neither detract horn the appeazance of the completed project nor interfere with the accessibility of the various parts of the site. Waste piles shall be graded and trimmed to a reasonably regular lines and stable slopes and reclaimed in accordance with Section 10 of these Specifications. Excavations for the required facilities may expose foreign substances, debris, piping, or equipment related to previous mining activity at the site. This material, if encountered, should be disturbed as little as possible prior to ascertaining the nature of said material. The Construction Inspector and Designer should be notified immediately upon encountering any foreign matter within required excavations. The Construction Inspector and Designer shall direct the Contractor in the proper means for disposal of any foreign matter encountered. N:\DIIALLMAN'\SANLUIS\SANLUIS.pOC 5'Z SRK Project No. 147??