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Oct 23 01 01:29p Stuart Rogers 813-782-4978 p.2 Mr. Doug Oemson October 23,2001 Page 2 5. There is concern on the part of some in our office who happened to drop by during one of the concrete pours that the concrete used in the poured channel and walls may have had a high slump, possibly because of too much water in the mix. Again, cylinder tests are important to ensure the quality of concrete used. 6. The steel sleeves through the pond walls are at angles to the pipes installed within them. 7. The plans call for Link Seals between the storm pipes and the sleeves through which they run. None are installed. 8. As was previously mentioned, the blocks within curved sections of the pond walls are stacked, not laced. The structural ramifications of this are not known. We recommend evaluation by a structural engineer. 9. There is no way of knowing if adequate reinforcing was placed on the top course of the retention pond retaining walls. As indicated in our last letter, during previous observations it was noted that only one bar was placed on top of the wall as opposed to two as called for by the plans. 10. During recent observations while driving by the site, it appeared that the curved section of the retaining wall facing 7th Street leans toward the inside of the pond at the top. 11. The small radii of the pond are constructed with half-blocks. Extra reinforcing probably should have been used in these areas. 12. There appears to be no vibrating equipment on the site for use in ensuring adequate filling of the block cells. . 13. Reinforcing bars in the south wall of the building are not spaced in accordance with the foundation plan drawings between window openings. 14. Reinforcing bars appear to be missing in the offset block wall for vending machines. 15. During a recent stop at the site we noted a large hole in the middle of the pad area for the vending machines. We were told this was the tooter excavation. The footer should be centered with respect to the proposed wall and reinforced in accordance with the plans. 16. There are still washouts on the neighboring car wash site. All disturbed earth on the neighboring side should be restored, compacted, shaped and sodded as soon as possible, both for safety and aesthetic considerations. 17. We have noted various broken blocks within the walls, particularly the header course.