Change Order No 3 - VPA Maintenance Storage Bldg Project No 118-046R - The Robert Henry Corp

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1 i � /� ► ,� General and Utility Contractors Sent via email to Josh.Ehmer November 15, 2018 City of South Bend Department of Public Works 227 West Jefferson Boulevard, Room 1316 South Bend, IN 46601 RE: VPA Maintenance Storage Building — Proposal for Replacement of Unsuitable Soils Gentlemen, The building foundation excavation started on November 131 and concrete rubble, broken brick and other building demolition debris were discovered in the building area. Weaver Consultants Group was asked to inspect and provide their findings. Under their direction, the extent of the debris and condition of the soils in the building area were determined. The attached letter from Weaver Consultants summarizes the site conditions and their recommendations. In accordance with these recommendations, we propose to replace the unsuitable soils including the buried 6" concrete slab in the approximate south half of the building and the two (2) south overhead door aprons with compacted aggregate fill material; and to change the foundation forming system from "earth -formed" to "regular -formed" due to the sloughing of the sides of the excavations during the compacting process of the new aggregate fill material in the south half of the building and the in - place but loose soils in the north half of the building. The costs to perform this work are as follows: Remove concrete rubble and other unsuitable materials: 337 CY @ $19.94/CY = .................. $ 6,720.00. Furnish, place and compact suitable fill: 337 CY @ $29.34/CY =...................................... $ 9,888.00. Break and remove buried 6" thick concrete slab under building: 187 SY @ $16.37/SY = .......... $ 3,061.00. Furnish, place and compact suitable fill: 50 CY @ $29.34/CY =....................................... $ 1,467.00. Labor for forming only of footings and grade beams: 2,040 SF @ $7.255/SF = ..................... $14,800.00. Material for forming only footings and grade beams: 2,040 SF @ $1.471/SF = ..................... 3 000.00. Total............................................................................................................ $38,936.00. We appreciate this opportunity to serve you and look forward to hearing from you. Please don't hesitate to contact us with any questions or comments. Respectfully submitted, THE ROBERT HENRY CORPORATION w g e�r t 43bhn A. Callan, Project Manager /jac cc: Brian D. Amor 404 South Frances Street - P.O. Box 1407 -South Bend, Indiana 46624 www.roberthenrycorp.com - Tel. 574-232-2091 • Fax 574-232-3979