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12-09-2008 CC Rpt A14COUNCIL AGENDA STAFF REPORT CITY CLERK USE ONLY Meeting Date: December 9.2008 R E ; i �` ".Public Hearing: ❑ 100H DES'— I Pi i l"6,it Discussion Item: E]/ Consent Item: Ef CliliiU MILLS December 2. 2008 TO: HONORABLE MAYOR AND CITY COUNCIL MEMBERS FROM: CITY MANAGER SUBJECT: CHANGE ORDER NO, 4 TO AGREEMENT NO. A07-56 WITH HANAN CONSTRUCTION COMPANY, INC. FOR BID PACKAGE 3B - CHINO HILLS GOVERNMENT CENTER PROJECT RECOMMENDATION: Approve Change Order No. 4 to Agreement No. A07-56 with Hanan Construction Company, Inc. {Hanan} in the amount of $26,476. BACKGROUND/ANALYSIS: On January 23, 2007, the City Council approved the plans and specifications and provided authorization to staff to solicit bids for the construction of the Government Center and Infrastructure Project. On June 12, 2007, the City Council approved the award of Bid Package 3B to Hanan Construction Company, Inc. in the amount of $2,570,000. To date, the City Council has approved three change orders totaling $147,753 for various items of additional work. Since that time, the City requested changes to the design via CCDs. Hanan presented documentation related to five CCDs which resulted in a scope modification and extra costs. These changes included: CCD No. 31 - Included value engineered design for the Library water fountain and added an architectural boulder feature to the City Hall garden wall. Hanan was directed to procure and install the boulders in the vicinity of the employee break area. 2. CCD No. 34 - Added a folding Nana -Wall system to the Council Chambers. The folding wall is ceiling -hung and required structural support above the ceiling with a recessed track mounted in the concrete floor slab. Hanan performed modifications to the existing slab to accept the Nana -Wall floor track. 3. CCD No. 39 - Added interior partitions, finishes, mechanical, electrical, and plumbing systems for the tenant improvements at the future lease space in the City Hall building. As part of these improvements, a portion of the concrete slab floor was removed to extend plumbing. Hanan replaced the concrete after plumbing alterations. M4 AGENDA DATE: December 9, 2008 Page 2 SUBJECT: CHANGE ORDER NO. 4 TO AGREEMENT NO. A07-56 WITH HANAN CONSTRUCTION COMPANY, INC. FOR BID PACKAGE 3B - CHINO HILLS GOVERNMENT CENTER PROJECT 4. CCD No. 46 - Made provisions for future library enhancements which included Glass Fiber Reinforced Gypsum (GFRG) column cover. Hanan provided the new GFRC column cover. 5. CCD No. 62 - Included modifications to the parking lot and planter area to accommodate new man -gate and sidewalk at the Sheriffs service utility yard. Hanan provided the new concrete sidewalks and ramps. Upon review of claimed extra costs, staff recommends that the City Council approve Change Order No. 4 with Hanan Construction Company, Inc. in the amount of $26,476. The amended contract is summarized below: Original Contract $ 2,570,000 Change Order Nos. 1-3 $ 147,753 Change Order No. 4 $ 26.476 Revised Contract $ 2,744,229 REVIEW BY OTHERS: This item has been reviewed by the Finance Director. FISCAL IMPACT: The project is included in the approved FY 2008-09 Capital Improvement Program budget as follows: �s, PRQJEGT NAME I, . WONT Government Center— City Hall $ 9,6141 f Government Center — Library $11,461 Government Center — Sheriff Facility $ 5,401 1 Total 1 $26,476 1 submitted, —1 ' -� 4 N. La Belie, City Manager SN/MB/AD/ps Attachment Recommended by: Steven C. Nix, Citf Engineer CITY OF CHINO HILLS CHANGE ORDER NO.4 DATE: December 9.2008 Project No. Various Project: City of Chino Hills Government Center and Infrastructure Project Contractor: Hanan Construction Company, Inc. 2401 Pine Street Pomona, CA 91767 Contract No. A07-56 P.O. No. 070926 Account No. 399-7100-888-8030 1IInllsII9[diF Original to City Clerk Contractor Purchasing Engineering Department Construction Manager DESCRIPTION: Current Change Order 1.0% 1. CCD No. 31 - Procure and set boulders as selected by architect for use at City Hall water feature. $ 3,696.00 2. CCD No. 34 - Layout and saw cut concrete slab to accept new floor track for Nana -Wall system at City $ 999.00 Hall building. 3. CCD No. 39 - Repair saw cut concrete for additional underground plumbing lines at future lease space $ 4,919.00 in City Hall building. 4. CCD No. 46 - Furnish and install glass -fiber -reinforced -gypsum column cover for future graphics $ 11,461.00 provided under library enhancements. 5. CCD No. 62 - Fine grading and concrete walkway with ramp provided to accommodate new accessible $ 5,401.00 man -gate at Sheriff facility. Total $ 26,476.00 Contract Time Adjustment = 0 Working Days ORIGINAL CONTRACT AMOUNT $ 2,570,000.00 CITY OF CHINO HILLS Authorized by the City Council this Change Orders to Date: 3 the _day of 2008 Add $ 147,753.00 Deduct $ - Change Orders to Date 5.7% Adjusted Contract Amount Change Order No. 4 Add $ 26,476.00 Deduct $ - Net Change Order Total Change Orders 6.8% AMENDED CONTRACT AMOUNT $ 147,753.00 PETER J. ROGERS, MAYOR $ 2,717,753.00 ATTEST: $ 26,476.00 $ 2,744,229.00 MARY M. McDUFFEE, CITY CLERK APPROVED BY: STEVEN C. NIX, CITY ENGINEER ACCEPTED BY: HANAN CONSTRUCTION COMPANY, INC.