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12-153.00 WM Winkler: Sidewalk Infill Ph 1CHANGE ORDER TO CONSTRUCTION CONTRACT NO: 12 - 023 DEPARTMENT OF PUBLIC WORKS PROJECT: Sidewalk Infill Project - Phase 1 CONTRACT DATE: 10/1/2012 CONTRACTOR: WM Winkler Company CHANGE ORDER NO: 2 CAPITAL IMPROVEMENT PROJECT NO: 149 BID NO.: 12 -023 DESCRIPTION OF CHANGES Change Order 2 Modifies the drainage design to account for one watermain and 1 fiber optic duct bank that was not located by the utility companies prior the survey. In addition, it pays for solid storm drain covers which are not incidental to adjustments __ $, and deletes spill control separators the contractor was not able to install. WM Winkler company agrees by signing this document that it is due no additional monetary compensation for work or associated with the additional time granted by this change order. _ $ Item No Description Unit Quantity Unit Price Total A -22 Catch Basin Type 1 EA -3 $2,600.00 ($7,800.00) A -23 Spill Control Separator EA -4 $300.00 ($1,200.00) A -24 Adjust Catch Basin or Drywall EA -1 $500.00 ($500.00) A -25 Ductile Iron Storm Pipe, 12 -Inch Diameter LF -41 $60.00 ($2,460.00) A -26 Storm Drain Encasement (C -900 Pipe) LF -41 $40.00 ($1,640.00) A -27 Existing Drywall Connection EA -1 $400.00 ($400.00) C -14 Spill Control Separator EA -1 $300.00 ($300.00) Restocking Fee EST 1 $1,000.00 $1,000.00 A -14 Embankment Compaction Method C CY 1 $50.00 $50.00 A -48 Curb Inlet Type 2 EA 1 $800.00 $800.00 A49 Concrete Inlet Type 1 EA 2 $2,000.00 $4,000.00 A -50 Ductile Iron Storm Pipe, 8 -Inch Diameter LF 26 $66.00 $1,716.00 A -51 Storm Drain Encasement (CDF) LF 35 $50.00 $1,750.00 A -52 Solid Drywall Frame and Cover EA 2 $600.00 $1,200.00 A Force Account Crew time for Utility Verifications and Fiber -53 Optic Protection FA EST 1 $3,345.00 $3,345.00 A -54 Force Account Construction Surveying/Staking FA EST 1 $720.00 $720.00 A -3 Temporary Traffic Control LS 1 $180.00 $180.00 Total Amount of this Change Order( incl. Tax): $461.00 SUBSTANTIAL COMPLETION Original Date: 11/9/2012 Prior to this Change Order: 11/9/2012 Including this Change Order: 11/13/2012 Original Working Days: 30 Working Days Added by this CO: 2 Working Days including this CO: 32 THESE CHANGES RESULT IN THE FOLLOWING ADJUSTMENTS OF TOTAL CONTRACT PRICE: ORIGINAL TOTAL CONTRACT AMOUNT __ $, 477,235.50 TOTAL PRIOR CONTRACT CHANGE ORDER AMOUNT 0.00 TOTAL CONTRACT PRICE PRIOR TO THIS CHANGE ORDER _ $ 477,235.50 NET THIS CHANGE ORDER _ ,__- __..,.______._____..___ -__$ 461.00 _ _ TOTAL CONTRACT AMOUNT INCLUDING THIS CHANGE ORDER $ 477,696.50 CONTRACTOR ACCEPTANCE: S``r� ' /� DATE: The contractor hereby accepts this adjustment und§r�the terms of the original contract for all work performed. G RECOMMENDED BY: DATE: APPROVED BY: �it /�/ DATE: C ATTACHMENTS: Revised Specification Distribution: ORIGINALS TO: Contractor, City of Spokane Valley Clerk's Office, PW Project File COPIES TO: PW Project File P: Public Works/Purchasing /CO (9282007) O'� 00 TY OF Soaokoane .. OoValleye Memorandum Date: October 12, 2012 To: Steve Worley, Eric Guth From: ERN(r, INm5bu) Public Works Department Capital Improvement Program 11707 E Sprague Ave Suite 106 ♦ Spokane Valley WA 99206 509.921.1000 ♦ Fax: 509.921.1008 ♦ cityhaLL@spokanevalley.org Re: Change Order2 for Sidewalk Infill Project, CIP 0149 Budget Account No. 303.303.149.595.61.63.00 WM Winkler Company Contract #12 -023 Change Order 2 makes a series of revisions to the stormwater design based on Fiber Optic duct Banks and Concrete Asbestos Watermains that were not located on the project survey. The utilities were in direct conflict with the proposed drainage design. A redesign has been completed changing structures types, pipe sizes, adjustments and connections to drywells along with type of storm drain encasement. The total estimated cost (incl. tax) for this Change Order work is $461, paid for by a CMAQ grant and the City of Spokane Valley. See the attached 2012 Sidewalk Infill Project Spreadsheet. There are sufficient funds in the project budget to cover these costs. Original Contract amount = $477,235.50 Previous Change Order Cost = $0 Estimated Change Order #2 Cost (Includes Force Account Work) $461.00 Project Cost including Change Order #2 = $477,696.50 15% of Original Contract amount = $71,585.25 Max Public Works Director Contract authority = $71,585.25 Change Order Cost to date = $461.00 Remaining P.W. Director Contract Authority after CQ #2 $71,124.25 Public Works Director Ar)oj&ect Manager Cc: City Manager Finance Department 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 DIVISION 7 DRAINAGE STRUCTURES, STORM SEWERS, SANITARY SEWERS, WATER MAINS, AND CONDUITS SECTION 7 -04 Add the following: STORM SEWERS 7 -04.4 Measurement "Ductile Iron Storm Sewer Pipe 8 In. Diam. ", shall be measured per linear foot installed, measured along the invert. 7 -04.5 Payment "Ductile Iron Storm Sewer Pipe 8 In. Diam." per linear foot. SECTION 7 -05 MANHOLES, INLETS, CATCH BASINS, AND DRYWELLS 7 -05.4 Measurement Add the following: "Solid Drywell Frame and Cover", will be measured per each. "Curb Inlet Type 2 ", will be measured per each. "Concrete Inlet Type 1 ", will be measured per each. 7 -05.5 Payment Add the following: "Solid Drywell Frame and Cover" per each. The unit contract price per each for "Replace Existing Frame and Grate " shall be full pay for furnishing the tools, labor, equipment, and materials including, but not limited to: salvage of the existing drywell frame and grate, delivery to the City of Spokane Valley, installation and adjustment of a new frame and solid cover conforming to Spokane Valley Standard Plan S- 104 as shown in the Plans and other related items. "Curb Inlet type 2 ", per each. The unit contract price per each for "Curb Inlet, Type 2" shall be full pay for furnishing the tools, labor, equipment, and materials including, but not limited to: structure excavation Class B including haul; furnishing and installing the curb inlet structure conforming to COSV Std Plan S -111, backfill, and other related items. City of Spokane Valley Change Order 2 Specifications Sidewalk Infill Project— Phase 1 2 SVPW Bid No 12 -023 1 "Concrete Inlet Type 1 ", per each. 2 The unit contract price per each for "Concrete Inlet Type 1" shall be full pay for furnishing the 3 tools, labor, equipment, and materials including, but not limited to: structure excavation 4 Class B including haul; furnishing and installing the catch basin structure conforming to 5 Spokane Valley Std Plan S -113; furnishing and installing the frame and grate shown on the 6 plans; adjustment rings, grouting or pipe connections, backfill, and other related items 7 City of Spokane Valley Change Order 2 Specifications Sidewalk Infill Project— Phase 1 2 SVPW Bid No 12 -023 PINES CURB INLET TYPE 2 BERM SECTION L =7.5' EXISTING DRYWELL 1 10 5 0 10 20 f SCALE FEET a 2 BERM SECTION NTS CURB INLET TYPE 2 COSY STD S -111 16.8' CURBING, TYPE B REMOVE UP TO 6" ALONG EXISTING COSV STD R -102 ENTIRE LENGTH OF TYPE DRYWELL 1 2 CURB INLET TO CLEAR RIM = 2076.58 a CONCRETE DUCT EXISTING WATER TOP OF PIPE EL= 2074.83 EXISTING WATER --------- 1.4 — NOTES: 1. ANY EXCAVATION UNDER MUST BE �1cerY0a��,' TOP OF PIPE EL= 2073.36 EXISTING CONCRETE DUCT BACK FILLED WITH CDF PAID ►71j011 UNDER STORM DRAINAGE ENCASEMENT. i 2. NOTIFY DAVE AT CENTURY LINK CHANGE( EXISTING CONCRETE (509) 701 -0449 PRIOR TO DIGGING Al DRYWI TOP EL= 2076.62 UNDER EXISTING CONCRETE DUCT SIDEWALI ---- BOTTOM EL= 2075.12 _ - -_ -� PROJI DRYWELL 1 SECTION DDRPAWWN BY: CHECKED BY: EKA SHIFT PROPOSED DRYWELL r � -- _ 2' .EAST_ + 1 EXISTING CONCRETE DUCT TOP EL= 2087.86 BOTTOM EL= 2086.36 CONCRETE INLET TYPE 1 COSV STD 5 -113 RIM= 2089.50 EXISTING WATER TOP OF PIPE EL= 2085.86 8" DI PIPE IE= 2085.5 MINIMUM OF 6" CDF - ENCASEMENT AROUND 8" DI PIPE. APPROXIMATE LIMITS FOR 30 CY OF DRAIN ROCK m DRYWELL 4 SECTION SIDEWALK PROJE DRAWN BY: I RPB CHECKED BY: I EKA APPROXIMATE LOCATION - OF CONCRETE DUCT. SEE NOTE 2. 10 5 0 10 20 o SCALE FEET PROPOSED NOTES: DRYWELL 1. ANY EXCAVATION UNDER RIM = 2090.18 EXISTING CONCRETE DUCT MUST BACK FILLED WITH CDF PAID UNDER STORM DRAINAGE ENCASEMENT. EXISTING PIPE 2. DO NOT EXPOSE OR UNDERM SUMP MORE THAN 8' OF CONCRETE D RIM = 2088.98 AT ONE TIME. 3. PROVIDE SUPPORT UNDER CONCRETE DUCT AS NEEDED. 4. NOTIFY DAVE AT CENTURY LI (509) 701 -0449 PRIOR TO DIG( 8" DI PIPE UNDER EXISTING CONCRETE DUC I E= 2085.39 SP 4;00 1 CHANGE C SIDEWALK PROJE DRAWN BY: I RPB CHECKED BY: I EKA CONCRETE INLET T nr COSY STD S -113 EXISTING CONCRETE INLET TYPE 1 COSY STD S -113 RIM = 2084.80 8" DI PIPE IE= 2082.27 PINES EXISTING CONCRETE DUCT TOP EL= 2084.90 BOTTOM EL= 2082.67 EXISTING WATER TOP OF PIPE EL= 2080.68 i EXISTING WATER TOP OF PIPE EL= 2081.14 �,,[ i O. d 6 67Z- Oa N 10 5 0 10 20 SCALE FEET PROPOSED RIM = 2085.46 12.7' EXISTING f - - -- DRYWELL 2 RIM= 2084.86 5' i 8" DI PIPE i IE= 2080.15 L- - - - - - - - - J DRYWELL 2 SECTION — 1 „ =3' MINIMUM OF 6" CDF ENCASEMENT AROUND 8" DI PIPE WITH ADDITIONAL ENCASEMENT UNDER EXISTING CONCRETE DUCT. NOTES: 1. ANY EXCAVATION UNDER EXISTING CONCRETE DUCT MUST BE BACK FILLED WITH ODE PAID UNDER STORM DRAINAGE ENCASEMENT. 2. NOTIFY DAVE AT CENTURY LINK (509) 701 -0449 PRIOR TO DIGGING UNDER EXISTING CONCRETE DUCT Sp,6Q 1 SIDEWALK PROJE DRAWN BY: [ RPB CHECKED BY: [ EKA