1808 MERRILL CREEK PKY 2016-01-01 MF Import

. ' . E•3692-610 .�:;,, Omniplan Page 8 July 9. 1996 Future Fill Settlement The flll being placed at this site is rolatively deep. eased on our experience with deep fills, we estimate the future sott►ement due to consolidation of the fill will be on the order of 0.25 percent of the fill height. For the thirty ►301 to forty (a0) feet of fill planned at this site, this results in a settlemant due to fill consolidatlon of about three-quarters to ane inch, This settlement would be in addition to the estimated one inch of sattlement induced by the huilding loads. While settlement of this rnagnitude may not effect the structural integrity of tha building, it may cause some cosmetic cracking of interior finishes and floors. shouldpallowod torconsol date fo�fagpe�iod prior to�constrei�ction�. The settlementuwouid need to be monitored with a set of settlement monitoring points in the upper portfon of the fill, When the settlement ceases or is within tolerable limits, buliding construction could proceed. We anticipate most of the fill settiement should ba realized about one month after fill placemant (s complete, SIaB•on-drade Floors Slab-on•grade floors may be sup�orted on the structural fill used to achievo construction suhc�rade elevations. Any disturbed subc�rada soil must either he re-compacted or be replaced wich structural fill. Slab•nn-grade floors should be desic�ned by the structural engineer based on the anticipated loeding and the subgrade support characteristics. A modulus of vertical subgrade rFaction of two hundred (Z00) pounds per cubic inch (pci) may be used for design. Concrete siabs resting on soil uitimately cause the moisture content of the underlyin4 soils to rise. This results from continued capillary rise �nd the ending of normal evapotransplration. As concrete is permeable, moisture wiu eventually penetrate the slab resultinc� in a condition commonly known as a "wet slab" and poor adheslon of floor coverings. To minimize these problems, suitable moisture protection measure should be used. A capillary break, if usad, shouid consist of a minimum ot four inches of Free-draining sand or gravel. If a vapor barrier is used, two inchos of damp sand should be placed over the � '�� •°`' barrier for protoction during construction and to aid in curing of the concrete. . .,} y , � s � � L � i s �r1.�, � ' Eaith Cno�ulunu, Int. t e:'Y�.�.�'�:J',. �� . .