Construction Contract - LTCP WWTP Improvements Proj No. 121-071 – Bowen Engineering Corp.

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g. A cementitious slurry coating similar to Xypex Concentrate is included on the interior of the precast vaults. h. In reference to the response to RFI #2, flowable fill around the pipe envelope will be utilized only for the water main when within 5' of pavement. No other utilities will utilize flowable fill backfill. i. In reference to RFI #1, we have included an allowance of $50,000 to provide a solution for the 48" flex connection. j. Bowen has not included any allowances or costs for charges levied by utilities. Any such fees that are the responsibility of the contractor would be a change of conditions. k. An allowance of $50,000 has been included for the insulation, jacketing, and potential heat tracing of the 48" basin influent line and the 4" basin flushing fill line. Once final specifications have been provided for this work, quotes will be obtained. I. No SCADA System Software, Servers, Historians, Computers, and associated devices have been included in this scope as they are not shown on the system drawings. Bowen assumes they are existing and will modify the existing system to the extent of the specification functional requirements. m. PLC Development software and Factory Talk View Studio licenses are excluded as it is believed that the owner already has these. n. Network Router and Communication Network bridge is excluded as it is not detailed on the drawings. It is assumed that the existing radio link will be reused to integrate the new PLC into the existing SCADA system. o. We have included RCP and Sanitary manholes as specified, however all manufactures have clarified out vacuum/pressure testing. We have excluded this pressure testing and included a visual inspection. p. Our scope includes installing an 18" HDPE dewatering discharge line to the Pinhook Pond by method of open cutting Riverside drive. 3. EQ Basin Scope Modifications a. The proposed Lift Station will be moved adjacent to the proposed Diversion Structure and share a common wall similar to the attached drawings. i. The 60" RCP pipe run is eliminated, and the 48" D.I. discharge is extended. ii. The 96" RCP lines S1 & S2 are eliminated. iii. Manhole Structure 106 is eliminated. iv. The proposed Overflow structure is eliminated and the existing CSO 045 will remain in place with modifications similar to the attached drawings. 1. A $150,000 allowance for concrete improvements to the existing CSO 045 structure has been included. This is based upon a budget from Cully Contracting for a Mainstay Composite Liner of %" Restoration Mortar with a 125 MILS Top -coat of DS-5 Epoxy. 2. The replacement of the existing flap gate has been included within the existing CSO 045 structure. 3. Structural improvements and concrete coatings of the existing CSO 045 structure will take place during a time of dry weather flow, at which point the new Lift Station pumps will be used as a means of bypassing up to 53 MGD. v. This option eliminates all rental bypass pumping. b. The existing 48" sewer is to remain in its current location. i. Manhole structures 101 and 02 have been eliminated. ii. 48" RCP between MH101 and MH103 has been eliminated.