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Home My WebLink About7/21/2004 - STAFF REPORTS (5) DATE: July 21, 2004 TO: City Council FROM: Director of Aviation CITY PROJECT#2003-03, FABRICATION AND ERECTION OF PRE-ENGINEERED METAL BUILDING STRUCTURE - CHANGE ORDER NO. 1 RECOMMENDATION: It is recommended that the City Council approve Change Order No. 1 to W.B. Allen Construction, Inc for revisions and modifications related to the fabrication and erection of a pre-engineered metal building structure in the amount of$(32,082.50),for a revised, reduced total contract price of$187,664.50. SUMMARY: This deductive change order reflects the elimination of unnecessary fire proofing and painting, which was completed by Airport staff, as well as unforseen circumstances related to the project have resulted in a net decrease of $(32,082.50) in the contract amount. This represents the first and final change order for this project. BACKGROUND: In response to the federal requirements related to 100% screening of checked baggage at the Airport, Explosive Trace Detection (ETD) machines were placed in the Airport's ticket wing lobby, which was already seriously undersized to handle peak passenger activity. This interim solution created congestion, poor customer service and at times, untenable exiting restrictions. In order to mitigate these issues and achieve a higher level of security,the Transportation Security Administration (TSA) agreed with Airport staff and provided three (3) CTX EDS machines for the Airport. These machines allow for more efficient processing of the luggage, while providing a higher level of security and have been installed behind the ticket counters in the enclosed, outbound baggage handling area. The metal canopy was erected outside this area to provide weather protection for the airlines as they move baggage to the aircraft. In July of 2003, the City Council awarded a "design-build" contract for a metal canopy at the Airport to W.B.Allen Construction, Inc.,for a total contract price of$219,747.00. Prior to construction commencing, it was determined that fireproofing of the metal structure, as specified, would not be necessary. This resulted in a deduct to the contract price of $(54,900). As the project got underway, unforseen changes were necessary due to underground utilities, re-engineering of footings to accommodate utilities and re- fabrication of canopy components to accommodate changes, all of which resulted in additional work. City Project #2003-03 - Change Order#1 July 21, 2004 Page 2 A breakdown of the changes to this project is shown in the attached Change Order, but consist of the following: Original Contract Amount: $219,747.00 Fire Proofing Deduct: ($54,900.00) Additional Work: $22,817.50 Revised Contract Amount: $187,664.50 A Minute Order is attached for City Council consideration. RICHARD S-WALSH, A.A.E. Director of Aviation Approved�t'—' _ �= City Manager s Attachment: Minute Order Change Order KRIFWED BY OK OF FINANCE k- N\Word Perfect\City_Council\Engineering_Construction\Canopy_CP2003-03_Change Order#1 7-21-2004.wpd CP_2003-03 Change Order 1 CHANGE ORDER NO. 1 PROJECT TITLE: AIRPORT BAGGAGE AREA CANOPY CITY PROJECT NO. CP2003-03 CONTRACT DATE: July 16,2003 CONTRACTOR: W. B.Allen Construction,Inc. The following changes are hereby made to the Contract Documents: 1. Eliminate fireproofing of steel columns from contract,for a total deduction of$54,900.00; 2. Add prime painting of steel columns listed in Item#1,for an additional cost of$1400.00; 3. Re-engineer and construct two(2)footings,resulting in an additional cost of$5669.50; 4. Hand excavation of twenty (20) footings, due to presence of underground utilities; additional night move-in costs for four (4) footings; extra equipment use for same; supervision and overhead costs for same;all work performed at night,for a total additional cost of$10,844.00; 5. Costs relating to the discovery, excavation and protection of undocumented utilities, including fire main line,co-generation lines,electrical and communication lines,for an addition of$2484.00. 6. Welding for rafter modifications, as a result of changes to footings; remove and replace steel hand railing that was installed post-bid,for a total additional cost of$920.00. 7. Extra work was required to grind and finish coat the post piers, due to peeling damage to the sonatube concrete forms.The extra work totals$1500. Justification: 1. The City Building Dept.determined that fire-proofing of the steel structure was unnecessary; 2. With the deletion of fire-proofing, prime-coat painting of the bare steel became necessary, prior to shipment of the disassembled building. Airport staff subsequently finish-painted the standing structure at a savings of$21,000; 3. Critical utilities were discovered under two (2) footings, which were re-engineered, excavated and constructed around the utilities; 4. To protect Airport utilities from damage by heavy equipment, the contractor hand excavated all footings below the level of utilities. Several known gas, sewer & electric lines conflicted, all of which required extra move-in and equipment use,downtime of construction operations and night work. 5. Several utilities, undocumented in the original contract, were discovered and found to be in conflict with the building. These caused construction delays, and required additional operations and protection to ensure compatibility with the project. 6. A change in one footing created the need to cut and re-fabricate one end of a steel rafter; also, a steel hand rail,installed after the original bid,was required to be moved and then re-installed. 7. Extra work for grinding and finishing concrete post piers, due to peeling damage to the sonatube forms. The forms peeled following cleaning and prep operations for structural painting, performed by Airport staff for a total savings of$21,000.The extra work totals$1500. CHANGE ORDER NO. 1 CHANGE TO CONTRACT TRICE Original Contract Price: $219,747.00 Current Contract Price,as adjusted by previous change orders: $219,747.00 The Contract Price due to this Change Order will be decreased by $32,082.50 The new Contract Price due to this Change Order will be: $187,664.50 CHANGE TO CONTRACT TIME The Contract Time will be increased by 7 calendar days.End of Contract date is August 9,2004. Approvals Required: To be effective, this order must be approved by the City of Palm Springs if it changes the scope of the objective of the project,or as may otherwise be required under the terms of the Contract Documents. Requestedby 2� '�` date 0Y Mike N Williams,A.A.E.,Deputy Director-Operations Requestedby date Richard S Walsh,A.A.E.,Executive Director-Airports Ordered by date City of Palm Springs Accepted by , g date �L W.S.Allen Construction,hnc. Y:\DATA\VVT\Cuippy—CP2003-03\Canopy-U2003-03_Change Order h.doc MINUTE ORDER NO. { v, „z_ AUTHORIZING APPROVAL OF CHANGE ORDER NO. 1 TO TO W.B. ALLEN CONSTRUCTION, INC FOR REVISIONS AND MODIFICATIONS RELATED TO THE FABRICATION AND ERECTION OF A PRE- ENGINEERED METAL BUILDING STRUCTURE IN THE AMOUNT OF $(32,082.50), FOR A REVISED TOTAL CONTRACT PRICE OF $187,664.50, I HEREBY CERTIFY that this Minute Order, authorizing approval of change order No. 1 to W.B. Allen Construction, Inc for revisions and modifications related to the fabrication and erection of a pre-engineered metal building structure in the amount of$(32,082.50), for a revised total contract price of$187,664.50,was adopted by the City Council of the City of Palm Springs, California, in a meeting thereof held on the 21" day of July, 2004. PATRICIA A. SANDERS City Clerk kr�H✓�