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HomeMy WebLinkAbout2006-287 $ . -Z2- . C k o A -=AIA Document G701t" — 2001 Change Order PROJECT (Name and address): CHANGE ORDER NUMBER: 001 OWNER: Central Region W WTP Expansion, WIP DATE: July 06, 2006 ARCHITECT: E No. 472- 169000-04503 355049TH ST, VERO BEACH, FL CONTRACTOR: E 329676303 TO CONTRACTOR (Name and address): ARCHITECT'S PROJECT NUMBER: IRC Bid No. 7029 FIELD: ❑ CONTRACT DATE: March 29, 2005 OTHER: ❑ CONTRACT FOR: Central Regon W WIP Expansion WIP No. 472- 169000-04503 THE CONTRACT IS CHANGED AS FOLLOWS: (Include, where applicable, any undisputed amount attributable to previously executed Construction Change Directives) Additional work as directed (documentation attached) The original Contract Sum was $ 4,477,000.00 The net change by previously authorized Change Orders $ 0.00 The Contract Sum prior to this Change Order was $ 4,477,000.00 The Contract Sum will be increased by this Change Order in the amount of $ 23,523.00 The new Contract Sum including this Change Order will be $ 4,500,523.00 The Contract Time will be increased by Thirty One ( 31 ) days. The date of Substantial Completion as of the date of this Change Order therefore is July 31 , 2006 NOTE: This Change Order does not include changes in the Contract Sum, Contract Time or Guaranteed Maximum Price which have been authorized by Construction Change Directive until the cost and time have been agreed upon by both the Owner and Contractor, in which case a Change Order is executed to supersede the Construction Change Directive. NOT VALID UNTIL SIGNED BY THE ARCHITECT, CONTRACTOR AND OWNER. Masteller & Moler, Inc. Indian River Industrial Contractors, Inc. Indian River County ' 1 " Board of County eolialisssioners ARCHITECT (Firm name) CONTRACTOR (Ft tt name) OWNER (Finrinar)ie . . . .. <,..•.aa , Cf. 1655 27th Street, Suite 2 Post Office Bo 086 18402 5'"StreeYtNotth1$; •, Vero Beach, Florida 32960 Jacksonville 32241 -3086 Veio 13�deb ADDRESS ,, ,�— ADDRE DRESS i��l�/J//?Z / T i o c =c c B�1 (Signature) —� BY (Signature) (SrgnaMrQ)".•• � ,�' ,t��`t ,•- Frrl llt - AlzAder . OF, DE>r Mr. Steven H. Rea Arthur R .N@Utxel% ger ; Chairman (Typed name) (Typed name) (Typed name) " 1 °" j "7 I 1 -7 1 MOL August 22 2006 DATE DATE DATE AIA Document G701TM — 2001 . Copyright m 1979, 1987, 2000 and 2001 by The American Institute of Architects. All rights reserved. WARNING: This Al e Document is protected by U.S. Copyright Law and International Treaties. Unauthorized reproduction or distribution of this AIA° Document, or any T portion of it, may result in severe civil and criminal penalties, and will be prosecuted to the maximum extent possible under the law. This document was produced by AIA software at 15:44:54 on 07/06/2006 under Order No.1000246449_1 which expires on 7/5/2007, and is not for resale. User Notes: (1677068124) } CENTRAL REGIONAL WASTEWATER TREATMENT PLANT EXPANSION Item Amount 1 ( Relocate 4" and 8" Scum Lines $ 37010. 00 2 Clarifier / Filter Alignment $ 21983 . 00 3 130" Pipe / Duct bank Conflict $ 10 , 580 . 00 4 1Clarifier Influent Elevations $ 3 , 012 . 00 5 Pista Grit - Headworks Coating Repair 11 $ 950 . 00 6 lGrit Chute Revisions I $ 11850 . 00 7 New Chlorine Analyzer 1 $ 5 , 166 . 00 8 ( Hoffman PLC Enclosure 1 $ 21650 . 00 9 Site Grading & Drainage Modifications 1 $ 21 , 737 . 00 10 Electrical Issues $ 3564 . 00 11 1Electrical Value Engineering $ 11 , 878 . 40 12 1Deletion of the Scum Trough 1 $ 18 ; 900 . 00 13 lAdded Chlorine Eductor & Piping $ 750 . 00 14 1Deletion of Baffle Wall - Disinfection Basin $ 1 , 950 . 60 Total $ 23 , 523 . 00 Supporting documentation included in Exhibit "A" EXHIBIT "A" 1 RELOCATE 4" AND 8" SCUM LINES Add $3,010 .00 LOCATION : 30" Secondary Clarifier Effluent to the Automatic Backwash Filter The existing 4" Scum line and the existing 8" WAS line running between the new clarifier and the fitter have a center line elevation of 12 . 80' . The new 30" effluent line has a centerline elevation of 13 .25' . The existing lines were lowered below the 30" line utilizing mechanical joint 45 degree bends with accessories . (4 each 4" MJ 45 and 4 each 8" MJ with megalugs and labor. ) 2 CLARIFIER / FILTER ALIGNMENT Add $23983 .00 LOCATION : 30" Secondary Clarifier Effluent ( 30" x 16" Tee, Spool Piece, & 30" 90 Degree Bend) The east / west centerline dimension of the new Clarifier No. 3 and the new Backwash Filter are offset approximately 20" . Referring to Drawing M7 , the makeup of the 30" Tee, the 30" spool piece, and the 30" 90 degree bend is approximately 64" . The Contract Drawings show the 30" pipe from the 90 degree bend at the Clarifier installed over to the center of the filter. Due to the 5'4" offset additional fittings are required . The 30" influent pipe (the 90 degree bend and embedded slab pipe at the filter) will be turned on a 45 degree angle out from the filter. ( 1 each 30" MJ 45 degree bend with megalugs and labor.) 3 30" PIPE / DUCTBANK CONFLICT Add $ 10, 580 .00 LOCATION : 30" Secondary Clarifier Effluent to the Automatic Backwash Filter Existing electrical ductbank is located in the same location as the new 30" effluent from the new Filter. The pipe will be relocated to avoid the conflict with the ductbank. (2 each 30" MJ 45 degree bends and pipe relocation labor. ) 4 CLARIFIER INFLUENT ELEVATIONS Add $39012.00 LOCATION : 20" Secondary Clarifier Influent Pipe elevation problems : The new 20" clarifier influent pipe elevations are shown on the drawings at differnet elevations . Due to the different elevations and the location of the existing pipe that the new pipe ties into, the space needed to make the connection needs to be increased . Excavate more of the existing pipe and cut the pipe to install the new piping . ( 1 each solid sleeve and labor. ) 5 PISTA GRIT - HEADWORKS COATING REPAIR Add $950.00 The Special Coating installed in the Pista Grit Chamber ( installed on the original project) had delaminated from the concrete. The old coating was removed , the damaged area was sandblasted and new coating applied . EXHIBIT "A" 6 GRIT CHUTE REVISIONS Add $ 1 ,850 .00 The grit chutes shown on the Contract Drawings were extended down closer to the dumpster and rubber chutes were added at the ends of both as directed by the County . 7 NEW CHLORINE ANALYZER Add $59166 .00 As directed by the County, when the new Disinfection Basin was added no provision was made in the documents to monitor the Chlorine Residual so as directed , the analyzer was added . Hach CL 17 Total Chlorine Analyzer $3, 561 . 39 Little Giant Model C-07147-40 $ 141 .24 centrifugal submersible low flow pump 115 VAC 18 feet cord included Flexible hose, PVC pipe, pipe supports, fasteners & installation labor $1 , 463. 37 8 HOFFMAN PLC ENCLOSURE Add $29650 .00 On the instrumentation drawings, the New Main PLC # 2 Back Panel was not shown to be in it own enclosure. This Panel required an enclosure in the electrical room . 9 SITE GRADING & DRAINAGE MODIFICATIONS Add $215737.00 Raise four (4) each electrical manholes $37428. 00 Concrete work, drilling & epoxying rebar dowels, formwork, concrete redi mix, replacing aluminum covers, labor, and insurance & bond cost Drainage pipe and grading $182309. 00 Aluminum grating, stainless steel anchors, 24" DR-18 pipe, concrete pads, rebar, 140 ft of 6" PVC pipe w/couplings, 180 ft of 8" PVC pipe w/couplings, 8" wye, 6" tee, 6" 45 degree bends, glue, PVC cleaner, excavation & backfill for pipe, equipment cost plus fuel , sidewalk & stair rehab at the Disinfection Basin, regrading of contours, labor, and insurance & bond cost 10 ELECTRICAL ISSUES Add $3, 564.00 Filters - Sheet E-16 shows a single point connection for the travelling bridge. There $ 1 ,416. 00 is additional electrical work required to include: Pumps, beacons, receptacles, limit switches, term. At control panel Head Works - Sheet E-12 shows an "existing" conduit from BSCP-2 to C-4. This $2 , 148. 00 conduit did not exist. Route wiring to C-4/PLC 1/0 through an existing conduit from BSCP-2 to an existing pullbox at northeast corner of Head Works then through a new 1 " conduit installed underground south to C-4. T EXHIBIT "A" 11 ELECTRICAL VALUE ENGINEERING Ded -$30, 778.40 Electrical Value Engineering and Deletion of Scum Trough Revising the conduit and cable to the new influent pump -$9, 378. 40 Change feeder to new EFF-2 ( 100HP motor) from 6" aluminum conduit w/250MCM Deletion of the cable try system -$2, 500. 00 Deletion of the scum trough att he disinfection basin -$ 187900. 00 12 ADDED CHLORINE EDUCTOR & PIPING Add $750 .00 As directed this chlorine eductor was added to add chlorine into the system at the Clarifiers . 13 DELETION OF BAFFLE WALL - DISINFECTION BASIN Ded -$ 1 ,950 .60 Since the new disinfection basin does not have Effluent pumps, the anti-vortex walls were not needed and deleted .