Date Last Edited  6/22/10

Clarifiers No. 1 & 2 Rehabilitation

Lake Forest Plant Advisory Council

AEI Project # 197-028-001
Bid Date: 6/21/10
Below  is a Preliminary Detailed Bid Tab showing the Apparent Low Bidder and Base Bid Amount indicated.    Indication of Apparent Low Bidder Does NOT constitute the Final Contract Award.  Selection of Contractor for Contract Award subject to Client Consideration / Approval.  This information Does NOT constitute Final Bid Tab, should you require this information, please contact AEI Engineering.
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BIDDER #1           JTR Constructors, Inc.    BIDDER # 2   T & C Construction, LTD           BIDDER # 3             B-5 Construction Co., Inc. BIDDER # 4             G & N Enterprises, Inc.
Item No.  Qty  Unit Description  Unit Cost  Total Price Unit Cost  Total Price Unit Cost  Total Price Unit Cost  Total Price
1. 1 LS Insurance, mobilization, clean up, and site restoration, for $25,000.00 $25,000.00 $10,000.00 $10,000.00 $19,678.00 $19,678.00 $30,000.00 $30,000.00
CLARIFIER NO. 1                
2. 1 LS Remove and replace existing clarifier launder, weir and scum baffle with stainless steel materials, including all adjustments effected by replacement, complete as specified for $83,000.00 $83,000.00 $101,000.00 $101,000.00 $76,902.00 $76,902.00 $95,000.00 $95,000.00
3. 1 LS Remove and inspect existing Clarifier No. 1 drive unit, complete as specified for $1,500.00 $1,500.00 $10,000.00 $10,000.00 $9,435.00 $9,435.00 $12,000.00 $12,000.00
4. 1 LS Replace existing Clarifier No. 1 drive unit with new and install, complete as specified for $35,000.00 $35,000.00 $45,000.00 $45,000.00 $72,167.00 $72,167.00 $65,000.00 $65,000.00
5. 1 LS Remove existing Clarifier No. 1 bridge and replace with new I-Beams, and cross supports for main walkway, blast and coat all components including handrails and kickplates, and reinstall, complete as specified for $18,000.00 $18,000.00 $15,000.00 $15,000.00 $33,576.00 $33,576.00 $40,000.00 $40,000.00
6. 1 LS Replace all influent pipe supports with 304 stainless steel materials, complete as specified for $6,000.00 $6,000.00 $5,000.00 $5,000.00 $10,807.00 $10,807.00 $8,000.00 $8,000.00
7. 1 LS Remove existing 12’ diameter center feed well and replace with 14’ diameter HDG center well, including new flanged pipe connections and all supports, complete as specified for $30,000.00 $30,000.00 $15,000.00 $15,000.00 $34,767.00 $34,767.00 $12,000.00 $12,000.00
8. 1 LS Adjust spray arm and scum collector blade to realign with replaced center well and scum baffle, blast and coat mechanism arm, complete as specified for $2,000.00 $2,000.00 $10,000.00 $10,000.00 $14,277.00 $14,277.00 $12,000.00 $12,000.00
9. 1 LS Blast and coat drive cage, flights and rakes and replace existing squeegees with brass, complete as specified for $5,000.00 $5,000.00 $10,000.00 $10,000.00 $15,832.00 $15,832.00 $15,000.00 $15,000.00
10. 1 LS Remove and replace upper steel components of drive cage attached to drive unit on both clarifiers with new materials, complete as specified for $25,000.00 $25,000.00 $20,000.00 $20,000.00 $19,613.00 $19,613.00 $18,000.00 $18,000.00
CLARIFIER NO. 2                
11. 1 LS Remove and replace existing clarifier launder, weir and scum baffle with stainless steel materials, including all adjustments effected by replacement, complete as specified for $84,500.00 $84,500.00 $101,000.00 $101,000.00 $76,902.00 $76,902.00 $95,000.00 $95,000.00
12. 1 LS Remove and inspect Clarifier No. 2 drive unit, complete as specified for $1,500.00 $1,500.00 $10,000.00 $10,000.00 $9,435.00 $9,435.00 $12,000.00 $12,000.00
13. 1 LS Replace existing Clarifier No. 2 drive with  new and install, complete as specified for $35,000.00 $35,000.00 $45,000.00 $45,000.00 $59,649.00 $59,649.00 $65,000.00 $65,000.00
14. 1 LS Remove and replace existing Clarifier No. 2 bridge and service platform, and blast and coat all components including handrails and kickplates, and reinstall, complete as specified for $18,000.00 $18,000.00 $15,000.00 $15,000.00 $33,576.00 $33,576.00 $40,000.00 $40,000.00
15. 1 LS Replace all influent pipe supports with 304 stainless steel materials, complete as specified for $6,000.00 $6,000.00 $5,000.00 $5,000.00 $10,807.00 $10,807.00 $8,000.00 $8,000.00
16. 1 LS Remove existing 12’ diameter center feed well and replace with 14’ diameter HDG center well, including new flanged pipe connections and all supports, complete as specified for $30,000.00 $30,000.00 $15,000.00 $15,000.00 $34,767.00 $34,767.00 $12,000.00 $12,000.00
17. 1 LS Remove and replace supports for scum collector blade, adjust spray arm and scum collector blade to realign with replaced center well and scum baffle, blast and coat mechanism arm, complete as specified for $2,000.00 $2,000.00 $10,000.00 $10,000.00 $14,277.00 $14,277.00 $12,000.00 $12,000.00
18. 1 LS Remove and replace upper steel components of drive cage attached to drive unit with new materials, complete as specified for $5,000.00 $5,000.00 $10,000.00 $10,000.00 $15,832.00 $15,832.00 $15,000.00 $15,000.00
19. 1 LS Blast and coat drive cage and rakes and replace existing squeegees with brass, complete as specified for $25,000.00 $25,000.00 $20,000.00 $20,000.00 $19,613.00 $19,613.00 $18,000.00 $18,000.00
BASE BID TOTAL   $437,500.00   $472,000.00   $581,912.00   $584,000.00
ALTERNATE BID ITEMS                
A1 1 LS In lieu of Bid Item No. 4, provide complete rebuild of existing clarifier No. 1 drive unit with machine work as necessary and reinstall, with an allowance of $10,000.00, complete as specified for $10,000.00 $10,000.00 $25,000.00 $25,000.00 $28,687.00 $28,687.00 $10,000.00 $10,000.00
A2 1 LS In lieu of Bid Item No. 5, remove bridge and service platform at Clarifier No. 1 from wall to center pier, replace with HDG Components, aluminum hand rail and 4” kick plates, complete as specified for $21,250.00 $21,250.00 $15,000.00 $15,000.00 $32,076.00 $32,076.00 $40,000.00 $40,000.00
A3 1 LS Associated with Alternate Bid Item A2, surface prep and coat remaining Clarifier No. 1 bridge structure, hand rails and kick plates, complete as specified for $3,500.00 $3,500.00 $5,000.00 $5,000.00 $3,933.00 $3,933.00 $15,000.00 $15,000.00
A4 1 LS Associated with Alternate Bid Item A2, surface prep and coat remaining Clarifier No. 1 bridge structure and replace handrails and kick plates with aluminum, complete as specified for $5,000.00 $5,000.00 $5,000.00 $5,000.00 $4,560.00 $4,560.00 $10,000.00 $10,000.00
A5 1 LS In lieu of Bid Item No. 13, provide complete rebuild of existing clarifier No. 2 drive unit with machine work as necessary and reinstall, with an allowance of $10,000.00, complete as specified for $10,000.00 $10,000.00 $25,000.00 $25,000.00 $28,687.00 $28,687.00 $10,000.00 $10,000.00
A6 1 LS In lieu of Bid Item No. 14, remove bridge and service platform at Clarifier No. 2 from wall to center pier, replace with HDG Components, aluminum hand rail and 4” kick plates, complete as specified for $21,250.00 $21,250.00 $15,000.00 $15,000.00 $32,076.00 $32,076.00 $40,000.00 $40,000.00
A7 1 LS Associated with Alternate Bid Item A6, surface prep and coat remaining Clarifier No. 2 bridge structure, hand rails and kick plates, complete as specified for $3,500.00 $3,500.00 $5,000.00 $5,000.00 $3,933.00 $3,933.00 $15,000.00 $15,000.00
A8 1 LS Associated with Alternate Bid Item A6, surface prep and coat remaining Clarifier No. 2 bridge structure and replace handrails and kick plates with aluminum, complete as specified for $5,000.00 $5,000.00 $5,000.00 $5,000.00 $4,560.00 $4,560.00 $10,000.00 $10,000.00
SUPPLEMENTAL BID ITEMS                
S1 1 EA For each 10 square feet of structural concrete repair, as directed by the Engineer, complete as specified for $1,500.00 $1,500.00 $1,000.00 $1,000.00 $500.00 $500.00 $1,500.00 $1,500.00
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