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Exh 4CAGENDA ITEM #4C JANUARY 12, 2004 CITY OF ATLANTIC BEACH CITY COMMISSION MEETING STAFF REPORT AGENDA ITEM: Rehabilitation of Sludge Tanks at Wastewater Treatment Plant #2 Bid No. 0304-3 SUBMITTED BY: Donna Kaluzniak, CEP, Utility Director DATE: December 8, 2003 BACKGROUND: This project is to rehabilitate two existing metal sludge digestion tanks at Wastewater Treatment Plant No. 2. This will include repairs and coating of the tanks, and replacement of the aeration equipment inside the tanks. An additive alternate to modify decant piping and install manways was included in the bid request. Bids were advertised, and three contractors were prequalified and attended the mandatory pre-bid meeting and site visit. Three contractors submitted bids on December 3, 2003: Gruhn May, Inc. Meadors Construction Com any Worth Contracting Base Bid, including $85,745.00 $120,236.60 $93,940.00 10% contin enc Additive Alternate, $56,141.80 $16,548.40 $16,500.00 including 10% contin enc During the bid analysis, mathematical errors were found and corrected in Worth Contracting's bid. The values above represent the corrected bid amount. Including the additive alternate causes all bids to be over budget, therefore the additive alternate work will not be awarded. The low bidder for the base bid was Crruhn May, Inc. BUDGET: A total of $100,040 was budgeted for this work in the Sewer Fund in account number 410-5508-535-6300. RECOMMENDATION: Award the contract for Rehabilitation of Sludge Tanks at Wastewater Plant No. 2, Bid No. 0304-3, to Grului May, Inc. for the base bid only, in the amount of $85,745.00. ATTACHMENTS: 1. Bid Tabulation Form 2. Bid Analysis REVIEWED BY CITY MANAGER: __~~ CITY OF ATLANTIC BEACH REHABILITATION OF SLUDGE TANKS AT WASTEWATER TREATMENT PLANT #2 December 3, 2003 Bid #0304-3 3:00 PM Required Documents Gruhn-May Incor orated Meadors Construction Worth Contractin Submission in Tri licate X X X Ori final Insurance Certificate X X X Bid Bond 5°k X X X Si ned Co of Document Re uirements Checklist X X X Com leted W-9 Form X X X Sworn Statement on Public Entit Crimes X X X Dru Free Work lace Certification X X X Documentation of Recei t of An Addenda X X X .:,; .~ , ~., t ~,,_ .. u 1. Removal of Slud a/Debris from Tanks 1 8 2 Tank 1 $5,200.00 $16,901.00 $5,000.00 Tank 2 $5,200.00 $11,566.00 $5,000.00 2. Tank Re air 8 Coatin ,Com late Tank 1 $17,875.00 $24,234.00 $19,000.00 Tank 2 $14,625.00 $18,717.00 $19,000.00 3. Re lace Aeration E ui ment, Com lete Tank 1 $18,727.50 $20,466.00 $18,700.00 Tank 2 $16,322.50 $17,422.00 $18,700.00 ~, :. °. ;- .: Subtotal Items 1-3 $77,950.00 $109,306.00 $85,400.00 Ten Percent 10% Contin enc $7,795.00 $10,930.60 $8,540.00 Total Base Bid items 1-3 lus 10% Contin enc $85,745.00 $120,236.60 $93,940.00 ADDITIVE ALTERNATE 1. Provide Manwa sin Tanks $11,559.60 $1,675.00 $2,000.00 2. Modif Decant Pi in Tank 1 $19,739.20 $5,847.00 $5,500.00 3. Modif Decante Pi in Tank 2 $19,739.20 $5,847.00 $5,500.00 Ten Percent 10% Contin enc of Additive Alternate $5,103.80 $1,336.90 $1,300.00 Total Additive Alternate lus 10%Contin enc $56,141.80 $14,705.90 $14,300.00 TOTAL BASE BID AND ADDITIVE ALTERNATE, INCLUDING CONTINGENCIES $141,886.80 $134,942.50 $108,240.00 Bid Award based on Deparment Analysis and Commission Approval ~, a ~n z9 ~~ ..~ 1J ° 7 N "'." O A ~ n BID ANALYSIS -CITY BID #0304-3 REHABILITATION OF SLUDGE TANKS AT WASTEWATER TREATMENT PLANT #2 Item # Base Bid Items Qty. Units -- - __ _ Gru Unit __ Cost _ hn May Extended _ Cost_ Meadors Extended Unit Cost _ Cost Worth Unit Extended _Cost _ C_ o_st_ --- 1. ----- ge/Debris from Tanks 1 & 2 f Slu d Removal o __ __ __ _ __ _ _ _ _ _ __ _ _ _ _ _ _ A. Tank 1 1 LS_ $5,200.00 _ $5,200.00 $16,901.00 $16,901.00 _ $5,000.00 _ $5,000.00 __ B. Tank2 1 LS $5,200.00 ___$_5_,200.00 $11,566.00 $11,566.00 __$5,000.00 $5,00__0_.0.0_ 2 Tank Repair and Coating, Complete _ _ A. Tank 1 1 LS $17,875.00 $17,875.00 $24,234.00 $24,234.00 $19,000.00 $19,000.00 B. Tank 2 1 LS $14,625.00 _$_1.4,625.00 $18,717.00 $18,717.00 $19,000.00 $19_,_0_00_ .00 3. Replace Aeration Equipment, Complete A. Tank 1 ~ 1 LS $18,727.50 $18,727.50 $20,466.00 $20,466.00 $18,700.00 $18,700.00 B. Tank 2 1 LS $16,322.50 $16,322.50 $17,422.00 $17,422.00 $18,700.00 $18,700.00 Sub-Total (items 1-3) $77,950.00 $109,306.00 _ $85,400.00 _ Ten Percent (10%) Contingency of Subtotal _ _ _ $7,795.00 $10,930.60 $8,540.00 Total Base Bid (items 1-3) plus 10% Contingency $85,745.00 $120,236.60 $93,940.00 Additive Alternate 1. Provide Manways in Tanks 2 EA $5,779.80 $11,559.60 $1,675.00 $3,350.00 $2,000.00 $4,000.00 2. Modify Decant Piping, Tank 1 1 LS $19,739.20 $19,739.20 $5,847.00 $5,847.00 $5,500.00 $5,500.00 _ 3. Modify Decant Piping, Tank 2 1 LS $19,739.20 $19,739.20 $5,847.00 $5,847.00 $5,500.00 $5,500.00 -- - Sub-Total (items 1-3) $51,038.00 - _ -- 15,044.00 15,000.00 Ten Percent (10%) Contingency of Subtotal _ $5,103.80 $1,504.40 $1,500.00 Total Additive Alternatve (items 1-3) plus 10% Contingency $56,141.80 $16,548.40 $16,500.00 Total Base Bid & Additive Alternate, Incl. Contingencies $141,886.80 $136,785.00 $110,440_00 --- - - - --- --- ----_ _ ,__ -- - _ ----- --_-- -- __ -- -- - --- ------- a - ---- z I N '~ N O O F a C17 A n