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�_ <br />_ Page 13 - #4220 91-1043 <br />`~ anticipate that dewatering can probably be accomplished using temporary sump pumps. <br /> However, additional effort may be required if the surficial wate� from the swamp were <br /> to enter the excavation. We suggest draining this water before starting the excavation <br /> ' work. <br /> All excavations must comply with the requirements of OSHA 29 CFR Part 1926, Subpart <br />�- P, "Excavations And Trenches". This document states that excavation safety is the <br /> responsibility of the contractor. Reference to this OSHA requirement should be included <br /> in the job specifications. <br /> 5.0 CONSTRUCTION OBSERVATIONS AND TESTING <br />,_ At this site, the soil conditions may well vary between boring locations. Therefore, we <br />_ recommend a geotechnical engineer be retained to observe actual site conditions within <br /> excavated areas to review the impact of these conditions on the design. We also <br />_ recommend soil compaction tests be performed at regular intervals during �11 placement <br /> in the building area. <br />