ADDENDUM #2. FROM: Union County Engineers Office Luke Sutton. DATE: June 27, Mill Creek Estates WWTP Improvements. PAGES (including cover): 5

Transcription

1 County Engineer Environmental Engineer 233 W. Sixth Street P F ADDENDUM #2 Marysville Operations Facility County Home Road P F Richwood Outpost 190 Beatty Avenue Richwood, Ohio Public Service with integrity FROM: Union County Engineers Office Luke Sutton DATE: June 27, 2016 RE: Mill Creek Estates WWTP Improvements PAGES (including cover): 5 This addendum supplements and amends the original Drawings and Specification issued and shall be taken into account in preparing proposals, and shall become a part of the Contract Documents. 1. The bid date shall be extended from Tuesday, June 28, 2016 to Tuesday, July 5, 2016 at 11:00 a.m., local time in the office of the Board of Commissioners of Union County located in the County Office Building, 233 W. Sixth Street, Marysville, OH The proposals will be opened and read aloud immediately thereafter. 2. Proposal : Replace proposal sheets in their entirety with the proposal included herein this addendum. Proposal on website will be updated to reflect this revision. 3. Line Item 20 of the proposal changed to 8 PVC Process Piping 20 LF and includes the pipe from the filter to the UV chamber 4. Line Item 21 adjusted to 190 LF and includes the overflow from the filter and the clarifier bypass piping. 5. Line item 22 adjusted to 66 LF to include the 2 Sch 80 PVC that was changed to 3 Sch 80 PVC in the first addendum 6. Line item 23 2 Sch 80 PVC removed 7. To clarify the leak repair on sheet C4 a photo of the crack is shown. Contractor to use grout to repair the leak. 8. Additional specifications for the stairs are attached. Please note and sign the bottom portion of 6.6 of the bid packet proposal acknowledging that this Addendum was received. Jeff Stauch, PE/PS Engineer Environmental Engineer Mary A. Sampsel, PE Assistant County Engineer Chief Building Official

2 PROPOSAL TO: Board of Commissioners, Union County, Ohio PER ADDENDUM #2 PROJECT: Mill Creek Estates WWTP Improvements The undersigned, having full knowledge of the site(s) of the Project, the specifications applicable to the Project, and the conditions of this Proposal hereby agrees to furnish all services, labor, materials and equipment necessary to complete the Project in accordance with the Technical Specifications and plans, within the time specified for completion and to accept payment in accordance with the unit prices stated below as full compensation for all furnished services, labor, materials and equipment. Ref Unit Unit Unit Price BID No. Description Quantities Desc. Bid AMOUNT 1 Mobilization 1 Lump 2 Remove Concrete Wall 48 LF 3 Remove 2' of Sand Media 265 TON 4 Backfill 151 CY 5 Remove Pipe Supports 3 EACH 6 Remove Above Ground Piping 85 LF 7 Remove Underdrains 185 LF 8 Remove Cleanout 2 EACH 9 Cap Underdrain 1 EACH 10 Relocate Piping (Above Ground) 2 EACH 11 Silt Fence 780 LF 12 Check Dam 1 EACH 13 Seed and Mulch 780 SY 14 12" PVC Sewer Main complete 760 LF 15 Trench Bracing (Near existing site only) 60 LF 16 4' Deep Manhole Complete 1 EACH 17 6' Deep Manhole Complete 1 EACH 18 8' Deep Manhole Complete 1 EACH 19 8" PVC Sewer Main Complete 52 LF 20 8" PVC Process Piping 20 LF 21 6" PVC Above Ground Piping 190 LF Overflow, Clarifier bypass 22 3" Schedule 80 PVC 66 LF 23 3"x6" PVC Reducer 1 EACH 24 3" Ball Valve 3 EACH 25 3"x3"x3" Tee 1 EACH 26 8" Monolithic Concrete Slab 1 LUMP 6.1 revised

3 PROPOSAL 27 Pipe Supports 3 EACH 28 18" Solid Wall Floor Sump 1 EACH 29 Platform and Stairs 1 LUMP 30 UV/Parshall Flume CIP concrete structure 1 LUMP 31 ODOT Half Height Headwall 1 EACH 32 ODOT Type D Rock Channel Protection 2 CY 33 ODOT Type B Geotextile 6 SY 34 Aqua 6 Disk Mini Filter 1 EACH 35 Trojan UV EACH 36 6" Parshall Flume 1 EACH 37 ISCO 3010 Ultrasonic Flow Meter 1 EACH 38 ISCO 5800 Refridgerated Sampler 1 EACH 39 All Electrical Work (Except bldg heat, lights, and 1 LUMP convienience outlets) TOTAL AMOUNT OF BID FOR MILL CREEK ESTATES WWTP IMPROVEMENTS 6.2 revised

4 Prefabricated Stair, Platform and Railing Prefabricated stair and platform unit shall be of galvanized steel construction open grate stair treads and platform and open risers, complete with integral balusters and handrailing. Fabricate stair assembly to support a uniform live load of 100 lb/sq ft and a concentrated load of 300 lb/sq ft with deflection of stringer or landing framing not to exceed 1/240 of span. Test in accordance with ASTM A935. Railing assembly and attachments to resist lateral force of 75 lbs at any point without damage or permanent set. Test in accordance with ASTM A935. Fabricate stair assembly to NAAMM - Metal Stairs Manual, Class Industrial. Perform Work in accordance with ASTM E985 - Permanent Metal Railing Systems and Rails for Buildings. Fabricate treads and form landings in accordance with ANSI A202.1, of welded steel construction and galvanized finish. Galvanize items to minimum 1.25 oz/sq ft zinc coating in accordance with ASTM A123. Stair, platform and railing assembly dimensions and configuration shall meet the requirements of Ohio Basic Building Code. Submit shop drawings to Owner s engineer for review and approval prior to fabrication. Indicate dimensional layout, profiles, sizes, connection attachments, reinforcing, anchorage, size and type of fasteners, and accessories. Indicate welded connections and net weld lengths using standard AWS A2.0 welding symbols. Prepare Shop Drawings under direct supervision of a Professional Structural Engineer experienced in design of this work and licensed in the State of Ohio. County Engineer 233 W. Sixth Street P Environmental Engineer F

5 County Engineer Environmental Engineer 233 W. Sixth Street P F