GENERAL48930 - Laserfiche WebLink

Home Browse Search

S •- ~. .. ...L. SLOPE STRBILITY h10NITORING PLRN rn,nr~f~n~n, r.. ~ S~: ~. .,, ~ ,~ In order to monitor the stability of reclaimed slopes monuments will be placed and monitored according to the following plan. The monuments uill be constructed as shown in Figure 1. Each monument will consist of a smooth metal pin 1 to 1 1/2 inches in diameter and 7 feet 1r. length. The pin is to be buried in the ground to a depth of 7 feet. If rocK Ss encountered at a depth of less than 7 feet the rock is to be drilled for a depth of not less than 1 foot and the pin resin grouted Into the rocK. A plastic pipe 2 to 2 1/2 inches Sn diameter and 6 feet in length 15 placed around the pin with the top of the pipe flush with the top of the pin. The void between the pin and the pipe is filled with dry sand or soil. A cap to Keep out moisture 1s placed over the pipe. The monument can be placed flush with the ground, counter sunK or placed as shown in Figure 1 depending on the amount and type of traffic 1n the area. In all cases the monuments are to be staked and wet] flagged. M~!NLIMENT PLRCEMENT The monuments are to be placed in sets of two as shown in Figure 2. The first monument of each set is to be placed in the rim or top of the slope fill area. The second monument in each set is placed in the toe or bottom of the slope fill area. The exact placement will be determined by the supervising engineer at the time of reclamation. These monument sets are to be placed along the slope fill on 7j to1Qp feet centers. Rgain the exact placement will be determined by the supervising engineer at the time of reclamation. OPE MONITORING A survey of the monuments is to be performed annually to detect horizontal and/or vertical movement. This survey is to 6e certified by either a registered land surveyor or professional engineer. In addition to the survey the reclaimed slopes are to be inspected annually by a professional engineer and certified as to the stab laity of the slopes.