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Home My WebLink AboutCO 08C.O. #8 CITY OF RENTON Page 1 of 1 Public Works Department CHANGE ORDER NO. 8 CONTRACT CHANGE ORDER AGREEMENT CONTRACT: South Lake WA Roadway Improvements (Garden Ave. Widening) CAG -12 -021 CONTRACTOR: ICON Materials SUMMARY OF PROPOSED CHANGE: Reason /Justification: The Contract Documents did not indicate whether the row of existing arborvitae trees located along the west edge of Lowe's in the SE corner by the new meandering sidewalk would remain in- place, or be removed. It was determined that the existing arborvitae shrubs along Lowe's building shall be maintained, new arborvitae shrubs proposed along the back of sidewalk be eliminated and that 50 groundcover plants (GC2, Mexican Feather Grass) be moved away from the back of sidewalk to fill in the space that the new arborvitae shrubs would have occupied. New groundcover plants (GC1, Ornamental Strawberry) are to be installed in front of the Mexican Feather Grass. Associated quantities are adjusted. Refer to the attached revised Drawings No. 45 and No. 47 for the proposed changes (revised 10/31/12). Contract Change: Add 20 GC1, Fragaria Chiloensis'Lipstick' /Ornamental Strawberry plants. Delete 12 shrubs S7, Thuja Occidentalis 'Emerald Green' /Arbovitae. Modify Drawings No. 45 (Landscape Plan Sta. 48 +00 to Sta. 53 +00 /Sta. 15 +00 to Sta. 18 +50) and No. 47 (Landscape Schedule and Details) as shown (revised 10/21/12). Add the following quantities to bid item plan quantities in the schedule of prices. Item Approx Units Description Unit Price Amount No. Quantity 70 20.00 EA PS Fragaria chiloensis'Lipstick' /Ornamental Strawberry, 1 Gal $ 7.00 $ 140.00 Cont Subtotal: $ 140.00 Washington State Sales Tax (9.5 %): $ 13.30 Total this Change Order (Subtotal Plus Sales Tax): $ 153.30 Working Days: None (no additional days) All work, materials and measurement to be in accordance with the provisions of the Standard Specifications and Special Provisions for the type of construction involved. ORIGINAL CONTRACT AMOUNT CURRENT CONTRACT AMOUNT ESTIMATE NET CHANGE THIS ORDER ESTIMATED CONTRACT TOTAL AFTER CHANGE $1,968,690.65 $1,984,215.07 $153.30 $1,984,368.37 SIGNATURES: r� LU W w 0 0 a W z U F- Q PLANT SCHEDULE SYMBOL BOTANICAL NAME/ COMMON NAME QTY SIZE REMARKS TREES ORELOCATED TREE 10 ° T1 PYRUS CALLERYANA 'CAPITAL'/ CAPITAL FLOWERING PEAR 5 10' -12' HT. 2" CAL. B&B WELL- BRANCHED 0 T2 MAGNOLIA GRANDIFLORA 'LITTLE GEM' / LITTLE GEM MAGNOLIA ( FILTERRA TREES)* 2 8' -10' HT. 2" CAL B&B WELL- BRANCHED SHRUBS O S1 EUONYMUS ALATUS 'COMPACTA'/ COMPACT BURNING BUSH 11 2 GAL CONT. CONT. FULL & BUSHY e S2 HEBE 'RED EDGE'/ NCN 56 1 GAL CONT. CONT. FULL & BUSHY Q S3 JUNIPERUS HORIZONTALIS 'WNTONII'/ BLUE RUG JUNIPER 83 1 GAL CONT. CONT. FULL & BUSHY O S4 PINUS MUGO 'PUMILIO'/ LITTLE MUGHO PINE 7 2 GAL CONT. CONT. FULL & BUSHY ® S5 RHODODENDRON 'BLUE DIAMOND'/BLUE DIAMOND RHODODENDRON 41 2 GAL. CONT. CONT. FULL & BUSHY S6 RHODODENDRON 'PJM' PJM RHODODENDRON 39 2 GAL. CONT. CONT. FULL & BUSHY uQ SO VIBURNUM DAVIDII/ DAVID VIBURNUM 31 2 GAL. CONT. CONT. FULL &BUSHY GROUND COVER Qj ® GC1 FRAGARIA CHILOENSIS 'LIPSTICK'/ ORNAMENTAL STRAWBERRY 281 GAL CONT. 30" O.C. TRI. SP. TYP. CONT. FULL & BUSHY GC2 ST1PA TENUISSIMA/ MEXICAN FEATHER GRASS 70 1 GAL CONT. 24" O.C. TRI. SP. TYP. CONT. FULL & BUSHY HYDROSEEDED GRASS 596 SY EXISTING TREE TO REMAIN *ALL FILTERRA TREES TO BE PROVIDED BY FILTERRA UNIT MANUFACTURER. 10 FINISH GRADE m � p W \ �� p0 RECOMPACT SUBGRADE BELOW ROOT BALL TO ENSURE THAT ROOT FLARE WILL NOT SETTLE BELOW GROUND LINE ' d 2" MULCH d BACKFILL PLANTING PIT WITH TOPSOIL TYPE A BREAK SIDES & BOTTOMS OF PLANTING TO ALLOW FOR ROOT PENETRATION SHRUB/ GROUND COVER PLANTING DETAIL NTS DRIPLINE �J v mot( lJ � �� . NOTES: 1. SIX FOOT HIGH TEMPORARY CHAIN LINK FENCE SHALL BE PLACED AT DRIPLINE OF TREE TO BE SAVED, UNLESS OTHERWISE NOTED. FENCE SHALL COMPLETELY ENCIRCLE TREE(S),INSTALL FENCE POSTS USING PIER BLOCKS ONLY. AVOID DRIVING POSTS OR STAKES INTO MAJOR ROOTS. 2. TREATMENT OF ROOTS EXPOSED DURING CONSTRUCTION: ALL ROOT PRUNING SHALL BE DONE BY HAND AND SUPERVISED BY AN ISA CERTIFIED ARBORIST. CALL ARBORIST AT LEAST TWO BUSINESS DAYS PRIOR TO SCHEDULED PRUNING. FOR ROOTS OVER 1" IN DIAMETER DAMAGED DURING CONSTRUCTION; MAKE A CLEAN, STRAIGHT CUT TO REMOVE DAMAGED PORTION OF ROOT. ALL EXPOSED ROOTS SHALL BE TEMPORARILY COVERED WITH DAMP BURLAP TO PREVENT DRYING, AND COVERED WITH SOIL AS SOON AS POSSIBLE. 3, WORK WITH PROTECTION FENCE SHALL BE DONE MANUALLY. NO STOCKPILE OF MATERIALS, VEHICULAR TRAFFIC, OR STORAGE OF EQUIPMENT OR MACHINERY SHALL BE ALLOWED WITHIN THE LIMITS OF THE FENCING. 4, ALL TREES NOTED FOR REMOVAL SHALL BE APPROVED BY ENGINEER, PRIOR TO START OF CONSTRUCTION ACTIVITIES. ALL TREES TO REMAIN WITHIN CLEARING AND GRUBBING LIMITS, 5, SHALL BE TAGGED FOR APPROVAL BY ENGINEER, PRIOR TO START OF CONSTRUCTION ACTIVITIES. z 70 PREVAI WIND z io n TYPICAL TREE PLANTING DETAIL NTS TREE SPECIMEN, NEVER CUT CENTRAL LEADER INTERLOCKING PLASTIC TIES, TIE AT 2/3 TREE HEIGHT. DO NOT OVERTIGHTEN 2" DIA. DOUG -FIR STAKE OR METAL FENCE POST, STAKES SHOULD BE LOCATED OUTSIDE OF ROOT BALL ROOT FLARE SHALL BE LOCATED ABOVE GROUND LINE 2" MULCH, KEEP AWAY FROM TREE TRUNK GROUND COVER (TYP) BACKFILL TREE PLANTING PIT WITH TOPSOIL TYPE A SCARIFYS SIDE & BOTTOM OF PLANTING PIT TO ALLOW FOR ROOT PENETRATION REMOVE ALL BURLAP, TWINE & WIRE FROM ROOT BALL AFTER TREE IS SET IN POSITION NOTES: 1. TREE PIT SHALL NOT BE LESS THAN (3) TIMES ROOT BALL DIA. 2. CUT AND REMOVE ALL TIES, PLASTIC, TWINE, BURLAP AND WIRE BASKETS COMPLETELY FROM ROOT BALL PRIOR TO COVERING WITH TOPSOIL EXISTING TREE TYP. 3. STAKE TREES PERPENDICULAR TO THE PREVAILING WIND. TEMPORARY 6' HT CHAINLINK TREE PROTECTION FENCING, SEE SITE PREPARATION & TESC PLANS, SHEETS 9 -12 FOR LOCATION AT INDIVIDUAL TREES. GENERAL LANDSCAPE NOTES 1. ALL PLANT MATERIALS SHALL MEET THE AMERICAN STANDARDS FOR NURSERY STOCK. ANSI Z60.1 OR MOST PAVEMENT EXCAVATION CURRENT VERSION. ZONE SEE NOTE 2 2. PLANT, MAINTAIN AND WARRANTY AS PER SPECIAL PROVISIONS. 3. DO NOT SUBSTITUTE SPECIES WITHOUT THE APPROVAL OF THE ENGINEER. � /j� // 4. ALL RELOCATED TREES SHALL RECEIVE 36" TOPSOIL TYPE A AND 2" BARK MULCH. SEE DETAIL THIS SHEET. 5. ALL SEEDED LAWN AREAS TO RECEIVE 2" TOPSOIL TYPE A. SECTION PRIOR TO PAVED SURFACE INSTALLATION dC]nn(ja TREE PROTECTION DETAIL CALL 3 WORKING DAYS �Q NTS BEFORE 811 YOU DIG: 1 GROUNDCOVER AND SHRUBS HJT EG 10.31.12 SURVEYED: KPG 1 STATE OF - DRAWN BY: EM CITY OF RENTON SOUTH LAKE WASHINGTON DRAWING NO. 47 WASHINGTON REGISTERED DESIGN BY: EM BAD Public Works Department ROADWAY IMPROVEMENTS PROJECT NO. 11156 LANDSCAPE ARCHITECT 75391hAveN 2502Je9ersonAve FED AID NO. CHECK BY: EG Seattle, WA 98109 T53)62 -0720 2 DOCUMENTS (206)286 -1640 (253) 627-0720 APPROVED FOR CONSTRUCTION LANDSCAPE SCHEDULE AND DETAILS DATE: FEB 2012 ELIZABETH GIBSON PROD MGR: NJD Y41µ kpg mm SHEET NO. 47 OF 53 REVISION DESCRIPTION BY APP. DATE CERTIFICATE NO. 538 FILE: 08046LAND01.dwg BY: XX DATE: XX