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HomeMy WebLinkAboutCO 31 Change Order #031 Contract Number: CAG-11-192 Federal Aid Number: STPUL-CM0167(048) Contract Title: Rainier Ave S Improvements Change Order Number: 031 Prime Contractor: Johansen Excavating X Ordered by Engineer under the terms of Section 1-04.4 of the Standard Specifications — Change proposed by Contractor Endorsed by Surety Consent A ge d4- Contractor Attorney on Fact Date Date Original Contract Amount: $16,032,772.44 Current Contract Amount: $16,856,788.04 Estimated Net Change This Order: ($69,817.80) Estimated Contract Total After Change: $16,786,970.24 '[.Approval Recommended 0 Approval Recommended — esident Engineer rrll r ,t Date f Date Appr I Recommende d Q/ City of Renton—[P'�i Pcetpk X,4je i1•NJ PF Y eon— obert Hanson,PE 9� V/ Transportation Systems Division Date Representing You are ordered to perforin rhe following described work upon receipt of nn approver/copy of the change order. Page 1 of 13 iaRairoer Ave Fie StructureX700 Construction Admn-Protect Control\715 Change Orders17152 individual Change Orders5715 2 031 CO 031 River Rock TreatmentlChange Order No 031 Cover•River Rock.docx Change Order #031 Contract Number: CAG-11-192 Lni Federal Aid#:STPUL-CM0167(048) Date: September 3, 2013 Page 2 of 13 THE CONTRACT IS MODIFIED AS FOLLOWS: WORK TO INCLUDE Background Per special provision 8-14.3,the Contractor provided two decorative stamped concrete samples prior to the start of pavement work. Upon review of those samples,the City determined that the stamped look was not preferred. In addition, it was determined that decorative stamped concrete pavement would complicate future maintenance. Therefore,the City chose an alternate"seeded" decorative river rock treatment that would be both aesthetically pleasing as well as maintenance friendly. In the interest of long term maintenance the decorative stamped concrete pavement in the landscaped median areas was deleted. Description of Change Per Field Work Directive 59a,the decorative stamped concrete pavement as shown on pages 4 through 14 of this change order,shall be replaced with a decorative river rock treatment per page 3 of this change order. Per the progress meeting held on 7/15/13,the decorative rock treatment shall receive a clear sealer. The remaining decorative stamped concrete pavement in the landscaped areas shall be deleted and replaced with additional cubic yardage of Top Soil Type A and Bark or Wood Chip Mulch. Material Decorative River Rock shall conform to section 9-03.11(2)Streambed Cobbles,6"Cobbles,of the Standard Specifications. Mortar shall conform to section 6-02.3(2)B, of the Standard Specifications. Decorative River Rock Sealer shall be as approved by the Engineer. Specification No specifications were revised as a result of this Change Order. Timeline A total of 0 additional working days will be included with this change order. Measurement&Payment Summary of Quantity Change and Added Bid Item: Total Contract Value Change EM ASS Decorative Stamped Concrete Pavement SY 9S00 -950 $145.00 ($137,750.00) A110 Top Soil Type A CY 1,827 1,879 52 $25.70 $1,336.40 A111 Bark or Wood Chip Mulch CY 289 316 27 $28.90 $780.30 A261 Decorative River Rock Treatment SY 0 470 470 $131.49 $61,800.30 A262 Decorative River Rock Treatment Sealer SY 0 560 560 $7.17 $4,015.20 TOTAL: ($69,817.80) fir✓ ,,o„` Change Order#31 Contract Number:CAG-11-192 Federal Aid M STPUL-CM0167(048) Page 3 of 13 Gcwsr F 4' — D"DIA WASHED ROCK. EMBED ROCK MIN. I TYPE 'S'MORTAR BED ()Nr—. r TU MAX. TYK) THIRDS DEPTH OF ROCK 1/2'MIN, TO 1-1/Y NOTE., INTO MORIAN P1ACE LARGER ROCK IN CENTER MAX. SPACING. TYP. SLOPE SURFACE TO DRAIN EACH SIDE F (N"MLDIAN AND 5MA11£R ROCK NEAR CURB 2X MIN. 7U 5X MAX, ENGINEER TO 1 alx;f JU 1'IdU4JUf POSITIVE DRAINAGE, TY!'. — APPROV-1•PRIOR TO CONSTRUCRON, TYP. 1/2"MIN, TO 1-1/2'MAX. T 1/2'MIN. TO 3//4' FACH SIDE AND ENDS, TYP. 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