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R-1936 - 03/23/2021 - CONTRACTS - Resolutions Supporting Documents (2) Section 00 63 63-CHANGE ORDER NO. 1 Owner: Village of Oak Brook, Illinois Owner's Project No.: Engineer: Dixon Engineering, Inc. Engineer's Project No.: 13-22-24-03 &04-20 Contractor: Era Valdivia Contractors, Inc. Contractor's Project No.: Project: 250,000 Gallon Spheroid (East and West Tanks) Contract Name: Exterior Overcoat,Wet Interior Spot Repaint, Dry Interior Spot Repaint,and Miscellaneous Repairs Date Issued: April 15,2021 Effective Date of Change Order: April 15,2021 The Contract is modified as follows upon execution of this Change Order: Description: Remove antennas and antenna cables from the tank and install one new penetration in the basebell per the attached Bulletin 1. Attachments: Bulletin 1 Change in Contract Times [State Contract Times as either a specific date or a Change in Contract Price number of days] Original Contract Price: Original Contract Times: Substantial Completion: N/A $ 728,400 Ready for final payment: N/A [Increase] [Decrease]from previously approved [Increase] [Decrease]from previously approved Change Orders No. 1 to No. [Number of previous Change Orders No.1 to No. [Number of previous Change Order]: Change Order]: Substantial Completion: N/A $ 0 Ready for final payment: N/A Contract Price prior to this Change Order: Contract Times prior to this Change Order: Substantial Completion: N/A $ 728,400 Ready for final payment: N/A Increase this Change Order: [Increase] [Decrease]this Change Order: Substantial Completion: N/A $ 9,840 Ready for final payment: N/A Contract Price incorporating this Change Order: Contract Times with all approved Change Orders: Substantial Completion: N/A $ 738,240 Ready for final payment: N/A Recommended by Engineer(if required) Authorized by Owner By: Title: Project Manager Date: April 15, 2021 Authorized by Contractor Approved by Funding Agency(if applicable) By: Title: Date: EJCDC®C-941,Change Order. Copyright°2018 National Society of Professional Engineers,American Council of Engineering Companies and American Society of Civil Engineers.All rights reserved. Page 1 of 1 Section 00 63 57-Change Order Price Request Form Village of Oak Brook,Illinois 250,000 Gallon Spheroid (East and West Tanks) Exterior Overcoat Wet Interior Repaint Dry Interior Spot Repaint and Miscellaneous Repairs April 13,2021 Bulletin No. 1 Provide prices for the following: Remove antennas and antenna cables from the tank, all removed items are to become the property of the Contractor for proper disposal. Remove cables from the entire tank to the antenna equipment cabinets. Remove the abandoned electrical raceway on the south side (exterior). The water meter cable and antenna is to remain. Where applicable remove pipe extensions on the five openings. Weld `/4 inch steel plate over the openings, overlap a minimum of/z inch all around and weld using '/ inch full penetration fillet welds on both sides. Install one new penetration in the basebell in a location directed by the Owner. Cut hole in the basebell and install a 3 inch Schedule 80 pipe. Extend the pipe a minimum of 4 times the existing steel thickness(minimum 4 inches) inside and outside the basebell wall. Weld using '/ inch full penetration fillet welds on both sides. Install a fernco flexible pipe cap over the opening as a temporary cover after the topcoat is applied. $ �z , Con r Signature Date Section 00 63 63-CHANGE ORDER NO.2 Owner: Village of Oak Brook,Illinois Owner's Project No.: Engineer: Dixon Engineering,Inc. Engineer's Project No.: 13-22-24-03&04-20 Contractor: Era Valdivia Contractors,Inc. Contractor's Project No.: Project: 250,000 Gallon Spheroid(East and West Tanks) Exterior Overcoat,Wet Interior Spot Repaint,Dry Interior Spot Repaint,and Contract Name: Miscellaneous Repairs Date Issued: April 16,2021 Effective Date of Change Order: April 16,2021 The Contract is modified as follows upon execution of this Change Order: Description: Install a steel plate mounting bracket in the basebell in a location directed by the Owner. All welds are to be 3/16 in.full fillet welds. Coat all new steel per the specifications.See attachment. Attachments:Cathodic Protection Attachment Plate Change in Contract Times [State Contract Times as either a specific date or a Change in Contract Price number of days] Original Contract Price: Original Contract Times: Substantial Completion: N/A $ 728,400 Ready for final payment: N/A Increase from previously approved Change Order No.1: [Increase][Decrease]from previously approved Change Orders No.1 to No.[Number of previous Change Order]: Substantial Completion: N/A $ 9,840 Ready for final payment: N/A Contract Price prior to this Change Order: Contract Times prior to this Change Order: Substantial Completion: N/A $ 738,240 Ready for final payment: N/A Increase this Change Order: [increase][Decrease]this Change Order: Substantial Completion: N/A $ 1,800 Ready for final payment: N/A Contract Price incorporating this Change Order: Contract Times with all approved Change Orders: Substantial Completion: N/A $ 740,040 Ready for final payment: N/A Recommended by Engineer(if required) Auth d by Owner By. �. rrJ'Gt ,7�ArG Title: Project Manager Date: April 16,2021 Authorized by Contractor Approved by Funding Agency(if applicable) By: Title: Date: EJCDC•C-941,Change Order. Copyright°2018 National Society of Professional Engineers,American Council of Engineering Companies and American society of Civil Engineers.All rights reserved. Page 1 of 1 54" 24" 1 3"x3"x1/4" steel angle legs(typ of 4) 3/16"tk steel plate III Section 00 63 63-CHANGE ORDER NO.3 Owner: Village of Oak Brook,Illinois Owner's Project No.: Engineer: Dixon Engineering,Inc. Engineer's Project No.: 13-22-24-03&04-20 Contractor: Era Valdivia Contractors,Inc. Contractor's Project No.: Project: 250,000 Gallon Spheroid(East and West Tanks) Exterior Overcoat,Wet Interior Spot Repaint,Dry Interior Spot Repaint,and Contract Name: Miscellaneous Repairs Date Issued: September 14,2021 Effective Date of Change Order: September 14,2021 The Contract is modified as follows upon execution of this Change Order: Description: Replace access tube alignment lugs on the West Tank per Bulletin 2 Attachments:Bulletin No.2 and pictures of broken access tube lugs Change in Contract Times (State Contract Times as either a specific date or a Chane in Contract Price number of daysl Original Contract Price: Original Contract Times: Substantial Completion: N/A $ 728,400 Ready for final payment: N/A Increase from previously approved Change Order No.1 llncrease][Decrease]from previously approved &No.2: Change Orders No.1 to No.[Number of previous Change Order]: Substantial Completion: N/A $ 11,640 Ready for final payment: N/A Contract Price prior to this Change Order: Contract Times prior to this Change Order: Substantial Completion: N/A $ 740,040 Ready for final payment: N/A Increase this Change Order: (Increase](Decrease]this Change Order: Substantial Completion: N/A $ 19,800 Ready for final payment: N/A Contract Price incorporating this Change Order: ContractTimes with all approved Change Orders: Substantial Completion: N/A $ 759,840 Ready for final payment: N/A Recommended by Engineer(if required) Auth ized b Owner By: �rrJlf � C Title: Project Manager Date: September 14,2021 Authorized by Contractor Approved by Funding Agency(if applicable) By: Title: Date: E1CDC'C-941,Change Order. Copyrightc 2018 National Society of Professional Engineers,American Council of Engineering Companies and American Society of Civil Engineers.All rights reserved. Page 1 of 1 i i I Section 00 63 57-Change Order Price Request Form ! i Village of Oak Brook,Illinois 250,000 Gallon Spheroid (East and West Tanks) Exterior Overcoat Wel Interior Repaint Dry Interior Spot Repaint and Miscellaneous Repairs September 13,2021 Bulletin No.2 Provide prices for the following: Remove the existing access tube alignment lugs on the west tank.Grind the existing lugs and welds flush with the surrounding steel. Reinstall new 4x4x3/8 inch steel plate,field verify length needed. Weld using 114 inch full fillet welds. Nineteen Thousand Eight Hundred Dollars $ 19,800.00 Era-Valdivia Contractors,Inc. L1_L tra ignalure / 9/14/2021 Date Access tube lugs have broken away making the access tube sway i t<;