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8802 North Meridian St. • Indianapolis, IN 46260 317.842.2616 phone • 317.841.4257 fax • BowenEngineering.com PAGE 1 OF 2 December 21, 2023 City of South Bend Attn: Rebecca Plantz 227 West Jefferson Boulevard South Bend, IN 46601-1830 RE: South Bend North Treatment Plant Improvements Bowen Project Number: 15 – 22 – 042 PCO-08 Vessel #3 thru #5 FW Header Replacement, Phase II Rebecca: Bowen Engineering (BEC) is pleased to submit this proposal for the Owner’s review and approval for the additional scope of work of replacing a portion of the 30” stainless steel fabricated pipe on the common finish water header at the North Station. Attached is a one-line sketch of the proposed piping replacement associated with this proposal. Pricing Option #1 — Schedule 80 PVC Pipe and JCM 303 Fabricated Flanged Coupling Adapter Lump Sum Cost: $ 107,501.00 Scope of Work: - Remove existing stainless steel fabricated pipe from 24” flange to 18” flanges on common finish water header on the second floor of the North Station. - Cut existing 18” vertical riser as needed to install new schedule 80 PVC piping. Use JCM Model #303 Fabricated Flange Coupling Adapter or equal to connect schedule 80 PVC piping to existing schedule 10 stainless steel piping. - Reuse existing hangers Clarifications: - No pressure testing has been included other than an in-service test. - No weld inspection / NDE Testing has been included. - One mobilization has been included. Additional mobilization if required will incur additional costs. - No overtime / premium time has been included. - Pipeline can be isolated for the duration required to complete the scope of work. - Plant personnel will be responsible for isolation of areas as required to complete the scope of work. - Additional contract time will be required. A revised completion date will be mutually agreed to.