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Home My WebLink AboutRES 20-110RESOLUTION NO. 20-110 WHEREAS, on February 25, 2020, the City Council of the City of Beaumont, Texas, passed Resolution No. 20-041 awarding a contract in the amount of $1,975,777.68 to Allco, LLC of Beaumont, Texas, for the Wastewater Treatment Plant Trickling Filters Rehabilitation Project; and, WHEREAS, Change Order No. 1, in the amount of ($47,843.32), is necessary to delete the rehabilitation of the existing distribution tubes and truss arms on the Primary Trickling Filters; delete the rehabilitation of the existing truss arms on the Secondary Trickling Filters; provide new hot -dip galvanized steel distribution tubes on the Secondary Trickling Filters in lieu of new stainless steel tubes; and, rehabilitate the interior and exterior surfaces of the center columns on each of the Primary Trickling Filters and each of the Secondary Trickling Filters, thereby decreasing the contract amount to $1,927,934.36; NOW, THEREFORE, BE IT RESOLVED BY THE CITY COUNCIL OF THE CITY OF BEAUMONT: THAT the statements and findings set out in the preamble to this resolution are hereby, in all things, approved and adopted; and, THAT the City Manager be and he is hereby authorized to execute Change Order No. 1 to address the items described above, thereby decreasing the contract amount by ($47,843.32) for a total contract amount of $1,927,934.36 for the Wastewater Treatment Plant Trickling Filters Rehabilitation Project. The meeting at which this resolution was approved was in all things conducted in strict compliance with the Texas Open Meetings Act, Texas Government Code, Chapter 551. PASSED BY THE CITY COUNCIL of the City of Beaumont this the 2nd day of June, 2020. - Mayor ecky m s - APPROVAL OF CONTRACT CHANGE CHANGE ORDER No. One 1 DATE: May 15, 2020 PROJECT: City of Beaumont, Texas Wastewater Treatment Plant Trickling Filters Rehabilitation - W U0819-21 OWNER: City of Beaumont, Texas 801 Main Street Beaumont, Texas 77704 CONTRACTOR: Allco, LLC PO Box 3684 Beaumont, Texas 77707 TO THE OWNER: Approval of the following contract change is requested. Reason for Change: Delete the rehabilitation of the existing distribution tubes and truss arms on the Primary Trickling Filters; delete the rehabilitation the existing truss arms on the Secondary Trickling Filters; Provide new hot -dip galvanized steel distribution tubes on the Secondary Trickling Fitters in lieu of new stainless steel tubes; and rehabilitate the interior and exterior surfaces of the center columns on each of the Primary Trickling Filters and each of the Secondary Trickling Filters. ORIGINAL CONTRACT AMOUNT: THIS CHANGE ORDER Item Description New Item $ 1,975,777.68 PRIMARY TRICKLING FILTERS - Mechnically clean and cold re -galvanize outside'surface of center columns, $ (107,546.96) inside surface of center columns, all truss arms, distribution tubes, hardware, and handrails; DELETE2 @ $53,773.48 each SECONDARY TRICKLING FILTERS- Dismantle and remove all filter mechanisms, bridge, weirs, and electrical $ (1,604,372.36) equipment connected to secondary trickling filter distribution tubes. Remove all the existing connections, gaskets, hardware, and all the trickling filter distribution tubes in the secondary trickling filters. Remove all guy cables prior to trickling filter distribution tube removal, mechanically clean and cold re -galvanize outside surface of all truss arms. Furnish and Install new 304 stainless steel distribution tubes, connections, plates, nipples, cables, handrails, and other hardware. Furnish and install new gaskets. (flange connection on distribution tubes); DELETE 2 @ $802,186.18 each SECONDARY TRICKLING FILTERS -Dismantle and remove truss arms & distribution tubes; furnish new hot- $ 1,335,443.22 dip galvanized (ASTM A123/A123m) steel distribution tubes, including connection plates; install new distribution tubes and re -assemble truss arms, including new gaskets and galvanized hardware, and re- install cables; and re -install existing stainless steel spreader assemblies, including new gaskets and stainless steel hardware; replace the 12" wide non -slip tape thefull length of each distributor arm; replace handrails with new stainless steel handrails; ADD 2 @ $667,721.61 each 10 PRIMARY TRICKLING FILTER CENTER COLUMNS - Prepare the outside surface of the center columns by $ 142,386.00 solvent and hand tool cleaning (SP-1 AND SP-2) followed by commercial blast cleaning (SP-6), and then apply a zinc/epoxy/urethane paint system (1st Coat: InorganlcZinc Primer 3.0-5.0 mils DFT, 2nd Coat: Epoxy Primer 4.0-6.0 mils DFT, 3rd Coat: Polyurethane 3.0-6.0 mils DFT); and prepare the inside surfaces of the center columns (support column and interior surface of rotating center.column) by near -white blast cleaning (SP-10), and then apply a coal tar epoxy paint system (1st Coat: Coal Tar Epoxy 8.0-16.0 mils DFT, 2nd Coat: Coal Tar Epoxy 8.0-16.0 mils DFT); ADD 2 @ 71,193.00 each 11 SECONDARY TRICKLING FILTER CENTER COLUMNS -Prepare the outside surface ofthe center columns by $ 76,928.78 solvent and hand tool cleaning (SP-1 AND SP-2) followed by commercial blast cleaning (SP-6), and then apply a zinc/epoxy/urethane paint system (1st Coat: Inorganic Zinc Primer 3.0-5.0 mils DFT, 2nd Coat: Epoxy Primer 4.0-6.0 mils DFT, 3rd Coat: Polyurethane 3.0-6,0 mils DFT); and prepare the inside surfaces of the center columns (support column and interior surface of rotating center column) by near -white blast cleaning (SP-10), and then apply a coal tar epoxy paint system (1st Coat: Coal Tar Epoxy 8.0-16.0 mils DFT, 2nd Coat: Coal Tar Epoxy 8.0-16.0 mils DFT); ADD 2 @ 38,464.39 each Page 1 of 2 Y APPROVAL OF CONTRACT CHANGE ` CHANGE ORDER No. One M DATE: May 15, 2020 12 COLUMN SEALS - Provide all labor, equipment, tools, and other construction treasures necessary to $ 62,958.00 remove, dispose, and replace column seals lii the PRIMARY TRICKLING FILTER COLUMNS: ADD 2 @ $31,479.00 each 13 PRIMARY TRICKLING FILTER HANDRAILS - Replace handralls on Primary Trickling Filters with new stainless $ 25,400.00 steel handralls; ADD'8 @ $3,175.00 each 14 Remove and replace the non-skid pads on each first distribution tuba on the PrlmaryTrickling Filters; ADD $ 4,760.00 8 @ $595.00 per each tube 15 Mechanically cleanand cold re-galvanlze rust spots on the trickling filter truss arms; ADD 12 days @ $ 16,200.00 $1,350.00 per day TOTALAMOUNT OFTHIS CHANGE ORDER: $(47,843.32) TOTAL REVISED CONTRACTAMOUNT INCLUDING THIS CHANGE ORDER: $ 1,927,934.36 CONTRACfTIME Original Contract Time: AD calendar days The Contract Time shall restart on the date this Change Order Is approved by the City of Beaumont 0 calendar days Revised Contract Time perthls Change Order 180 calendar days CONDITION OF CHANGE: "Contractor acknowledges and agrees that the adjustments In contract price and contract time stipulated In this Change. Order represents full compensation for all Increases and decreases In the cost of, and the time required to perform the .ent re work under the Contract arising directly or indirectly from this Change Order and all previous Change orders. Acceptance of this waiver constitutes an agreement between Owner and Contractor that the Change Order represents an Inclusive, mutually agreed upon adjustment to the Contract, and that Contractor will waive all rights to file a claim on this Change Order after it Is properly executed." ec mmended by: Approved by: c aum g 8, P k, nc. City of Beaumont l� gin. r Owner / '] Date: 27-2o-7o Date: Page 2 of 2 Accepted by: �f _ Allco,' 1. Contractor p �J Date;