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8802 North Meridian St. • Indianapolis, IN 46260 <br />317.842.2616 phone • 317.841.4257 fax • BowenEngineering.com PAGE 1 OF 2 <br />July 6, 2022 <br />City of South Bend <br />Attn: Rebecca Plantz <br />227 West Jefferson Boulevard <br />South Bend, IN 46601-1830 <br />RE: South Bend North Treatment Plant Improvements <br />Bowen Project Number: 15 – 22 – 042 <br />PCO-02 Filter Vessel Spring Assisted Manways, Revision 2 <br />Rebecca: <br />Bowen Engineering (BEC) is pleased to submit this proposal for the Owner’s review of the <br />associated additional work. <br />Scope: <br />- Remove and replace ten (10) spring assisted manways on the five (5) filter vessels (two (2) per <br />vessel) of the North Station for the lump sum cost listed below. <br />- Revision No. 2 includes cost for 3rd party NDE Testing <br />Lump Sum Cost: <br />- BEC Cost <br />o Labor & Equipment : $ 72,957.00 <br />o Material : $ 69,676.07 <br />o Mark-Up : $ 21,255.93 <br />- Lump Sum Cost : $ 163,889.00 <br />Clarifications: <br />- Existing hatches will be replaced in kind. (See attached marked-up catalog for <br />reference) <br />- Repairs will conform to the current edition of the National Board Inspection <br />Code (NBIC) and the American Society of Mechanical Engineers (ASME) Boiler <br />and Pressure Vessel Code (BPVC). <br />- Bowen Engineering/Locke AMI are authorized to complete R-stamp repairs. <br />- Manways will be cut at the existing tank nozzle / manway hub connection weld. <br />New manways will be welded at the same existing tank nozzle. (See attached <br />marked up drawing for reference) <br />- This proposal assumes no repairs or alterations to the tank shell will be required. <br />- No pressure testing has been included other than an in-service test. <br />- One mobilization has been included. Additional mobilization if required will <br />incur additional costs. <br />- No overtime has been included. <br />- Additional contract time will be required. A revised substantial completion date <br />will be mutually agreed to.