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HomeMy WebLinkAboutCO 02Contract Title Contractor: Contract No. : Federal Aid No.: Renton Avenue South Resurfacing R.W. Scott Construction CAG-19-001 STP(UL)-1201(023) ® Ordered by Engineer ❑ Proposed by the Contractor (VECP) ❑ Unilateral Original Contract• Current Contract: Estimated Net Change This Order: New Contract Preeared By: Res dent Engineer Reviewed By: 4n, Per;if wd Reviewed By: Cary of RentProject Manager CAG-19-001, CO #2-19 Change Order No. 2 Amount I Working Days $1,58S,247.60 60 $1,58S,247.60 60 $137,813 SO 7 51,723,061.10 67 Issug� By: c. l 19 / , Date En nPP Cn •ul t•ito rrar•• ortaUun 170alt��) f?�•s gn Mena�cr t Consent By-- &/zLori� Da a SUf ety lGrcater ilia• 1a% -xs ard/ur 20YX hint- Date rncrrasel Endor Date ontrar or Date .rReviewed B�y.7d�1 City Attorney Oath Exec B City of Renton Pub works Date Admin strator Mavor Charge Oder No ? ATTEST Contract -itle Renton Avenue South Resurfacing tt,turtirrr Contract No CAG 19 001 �F RE 'J, s A. S "Ci leak �1.........N%O4 *= SEAL =*" / � '5P 4unrr1aarw ���ci,A�RATE1) SS9 THE CONTRACT IS MODIFIED AS FOLLOWS: Description of Change: Sanitary Sewer Extension. Install approximately 190 linear feet of 8-inch diameter sanitary sewer and two 48-inch diameter manholes as shown on the attached plan and City of Renton Std. Plans. The connection at the existing manhole, at Sta. 103+00.4, shall be an inside drop connection. The Contractor shall core drill the manhole, if knock outs are not present, to install the inside drop connection. The Contractor shall reconstruct the concrete shelf and replace the ring and cover on the existing manhole. The Contractor shall pothole the existing communication utility crossing prior to construction. The Contractor shall protect the existing thrust blocking at the two water line crossings. This change shall be in accordance with the plans listed below. Reason for Change: The additional work is at the request of the Owner. Materials: Plans: Precast concrete manholes shall conform to WSDOT 9-05.50(2) and City of Renton Std. Plans; acceptance shall be based on the Manufacture's Certificate of Compliance, per WSDOT 1-06.3, and Certificate of Materials Origin. Sanitary sewer manholes shall have interior surfaces coated per City of Renton Std. Plan 400.1 requirements. PVC pipe shall conform to WSDOT 9-05.12(1); acceptance shall be based on the Manufacture's Certificate of Compliance, per WSDOT 1-06.3. Metal castings for manhole ring and cover shall conform to WSDOT 9-05.15(1) and City of Renton Std. Plans; acceptance shall be based on the Manufacture's Certificate of Compliance, per WSDOT 1-06.3, and Certificate of Materials Origin. Sheet 15/RD-1 revision date 6/24/19, COR Std. Plan 401, COR Std. Plan 400.1 and COR Std. Plan 402.2. Change Order No. 2 Contract Title: Renton Avenue South Resurfacing Contract No. CAG-19-001 Page 2 of 4 Adjustment: The following payment items are added to the Contract: No. Description Quantity Unit Unit Price Total 300. Licensed Surveying 1 LS $1,250.00 $1,250.00 301. Project Temporary Traffic Control 1 LS $7,800.00 $7,800.00 302. Locate Existing Utilities 1 LS $2,500.00 $2,500.00 303. Sawcutting 405 LF $6.00 $2,430.00 304. Crushed Surfacing Top Course 70 TN $60.00 $4,200.00 305. HMA Cl. 1 /2" PG 64-22 150 TN $101.00 $15,150.00 306. Trench Excavation Safety Systems 1 LS $6,000.00 $6,000.00 307. Bank Run Gravel for Trench Backfill 550 TN $35.00 $19,250.00 308. Trench Excavation Incl. Haul 450 CY $50.00 $22,500.00 309. Manhole, 48 In. Diam. 2 EA $6,800.00 $13,600.00 310. Inside Drop Connetion, Incl. Rechannel Existing Manhole & Replace Ring/Cover 1 EA $2,500.00 $2,500.00 311. PVC Sanitary Sewer Pipe, 8 In. Diam. 190 LF $147.00 $27,930.00 312. Plastic Line 50 LF $3.50 $175.00 The Contractor will be paid based on the actual quantities installed. All of the above payment items are subject to sales tax (10%). The estimated cost for this work is $137,813.50 (including sales tax). Extension of Time: The Time for Completion is extended 7 Working Days. Change Order No. 2 Contract Title: Renton Avenue South Resurfacing Contract No. CAG-19-001 Page 3 of 4 Equitable Adjustment: The City and Contractor agree that this Change Order does not include an equitable adjustment per Section 1-09.4 of the 2018 WSDOT/APWA Standard Specifications. Sections 1-04.4 and 1-04.5 of the 2018 WSDOT/APWA Standard Specifications shall govern this Change Order. The Work of the referenced Contract is modified to include the changes detailed herein. The payment provided for herein shall constitute the complete and final settlement for all costs of labor, equipment, materials, overhead, profit, permit fees, and all other claims that may be made by the Contractor as a result of this change. Attachments: Forms to be attached to Change Order ® Plans Field Directive ® Change Order Quotation ® Estimated Change Order Cost Project Labor List Force Account Equipment Rate Request (DOT Form 422-010 EF) r� Equitable Adjustment Determination Change Order No. 2 Contract Title: Renton Avenue South Resurfacing Contract No. CAG-19-001 Page 4 of 4 s ti k IPA l7• PP E I , s`♦ J \ 8 I I I > `\ I .M awrrcvNucnvO � I LT X I I j eu.vais I=jf I I� I I_ Im MATCHLINE ly C : C C = t3 w : STA f7'Go •SEE SHE ET 16/RO.Z A • � a� �� � '� NSI T3 i� � � � �� a g A., a"a -Q: Li C.M.97 e• nc • 2 V It CITY OF RENTON q ®Cop - Susan sa e/t. LS. R 01.02M ♦VSTAPpb ®RIU,Stol onE:e'�slveslaN 4�� m n - SIAU eEM90N5 S/77 15.REMON AVENUE SOUTH RESURFACING �w1 M . 10* rz NeIE a u S,? ,01.00 eT- •ro,ESie AT A. IOA Rfrz asPAV RAN 0.. MO STA. I,.» LT Na RNMON WE YfO .HNeY@ nS BOLTHOLES - 3 PLCS EQUALLY SPACED 120' APART ON 23 1/16' (586mm) DIA B.C, (SEE DETAIL) RENTON SEWER NAM IN USA COVER & FRAME PLAN VIEW 25' DIA. C635mm7� 1' 3/4'25mm] C19mm] 8 3/4' 2 1/2' C222mml C64mml TYP COVER SECTION VIEW 26 1/2' DIA C673mm7 25 1/4' DIA C641mm] 1 1/16' 1/4' (Grlm) DIA 127mm7 NEOPRENE GASKET 6' C152mm] 5/8' 23 3/8' DIA CL OPEN C16mm] C594mm] 27 5/16' DIA C694mm] 34 1/8' DIA C867mml NOTES: COVER BOTTOM VIEW (3) BLT SDC. (ALLEN HEAD) 5/8'-11 X 1.5 SS RUBBER WASHER BOLTING DETAIL 1/4' C6mm7 1 1/16' C27mm1 C3mm] CR3mm1 GASKET GROOVE DETAIL FRAME SECTION VIEW 1. ALL COVERS SHALL BE LOCKING LID PER EAST JORDAN IRON WORKS INC. No. 3717C1 OR EQUAL 2. USE FRAME AND COVER FOR STORM (SPECIFY "DRAIN" ON COVER), SANITARY (SPECIFY "SEWER"), OR WATER (SPECIFY "WATER"). STD. PLAN - 401 ["A.� PUBLIC WORKS APPROVED: DEPARTMENT MANHOLE FRAME AND COVER cnu z.mm. DATE Public WokAEminiNntw 7' i B' NOT TO SCALE MANHOLE FRAME AND COVER SEE STD. PLAN 401 ADJUSTMENT RINGS AND MOTAR JOIN - SEE NOTE 5 CONE (ECCENTRIC) RUBBER GASKETED JOINTS IN ACCORDANCE WITH ASTM C-443 STEPS - POLYPROPYLENE STEPS SHALL BE INCLUDED CONCRETE RISER BY PIPE INC., OR APPROVED EQUAL. LADDER -POLYPROPYLENE SHALL BE ATTACHED TO MANHOLE MAX. PIPE SIZE - 'E' CONCRETE SHELF PRECAST BASE SECTION OR CAST IN SHELF. 'A' 'B' 'C' 'D' 'E' 48" MH 48" 6" MIN. 5"MIN 24" MIN. 21" I.D. 54" MH 54" 8" MIN. 5.5" MIN. 24" MIN. 24" I.D. 60" MH 60" 8" MIN. 6" MIN. 42" MIN. 30" I.D. NOTES: 1. STEPS TO BE POLYPROPYLENE SAFETY STEPS. 2. STEPS ARE TO BE IN PLACE BEFORE MANHOLE SECTIONS ARE INSTALLED. 3. CASTING SHALL BE PER STD. PLAN 401. 4. MANHOLE SECTIONS TO BE OF REINFORCED PRECAST CONCRETE. 5. ADJUSTMENT OF THE CASTING TO GRADE SHALL BE PER STD PLAN 106. THE USE OF SHIMS IS PROHIBITED_ 6. SANITARY SEWER MANHOLES SHALL HAVE ALL INTERIOR SURFACES, INCLUDING CHANNELING, COATED (SEALED) WITH A HIGH SOLIDS URETHANE COATING; WASSER MC-AROSHIELD OR APPROVED EQUAL; COLOR OF COATING SHALL BE WHITE. 7. RUBBER GASKETED JOINTS SHALL BE IN CONFORMANCE WITH ASTM C-443. 8. CHANNEL HEIGHT SHALL BE A MINIMUM OF 3/4 OF THE INSIDE DIAMETER OF THE LARGEST PIPE. 9. CONNECTIONS TO MANHOLE SHALL BE MADE USING GPK ADAPTOR, KOR-N-SEAL BOOTS OR APPROVED EQUAL. 10. IN UNIMPROVED AREAS, MANHOLES SHALL EXTEND A MINIMUM OF 6" AND A MAXIMUM OF 12" ABOVE FINISHED GRADE OR MUST HAVE A MINIMUM 2' DIAMETER CONCRETE RING POURED AT GRADE. IN PAVED AREAS, COVER MUST SLOPE IN ALL DIRECTIONS TO MATCH PAVING. 11. MANHOLES OVER 20' DEEP SHALL BE A MINIMUM OF 60" IN DIAMETER. STD. PLAN - 400.1 u PUBLIC WORKS APPROVED DEPARTMENT STANDARD SANITARY MANHOLE c,.0 ammo I. won. MmNll �a DATE TEE OF APPROPRIATE SIZE SEE NOTE 6 "RELINER" BRAND STAINLESS STEEL ADJUSTABLE CLAMPING BRACKETS OR APPROVED EQUAL 3/4 THE DIAMETER OF THE DOWNSTREAM PIPE NOTES: 1. SANITARY SEWER MANHOLE DROPS ARE ONLY TO BE USED UPON APPROVAL BY THE WASTEWATER UTILITY SECTION. 2. ALL PIPES AND FITTINGS SHALL BE SIMILAR SIZE AND MATERIAL AS INCOMING MAINLINE. 3. MINIMUM SIZE MANHOLE FOR INSIDE DROP CONNECTION SHALL BE 60" DIAMETER. 4. CONNECTIONS TO MANHOLE SHALL BE MADE USING GPK ADAPTOR, KOR-N-SEAL BOOTS OR APPROVED EQUAL. 5. WITHIN A 60" DIAMETER MANHOLE, THE MAXIMUM ALLOWABLE DIAMETER OF THE INSIDE DROP PIPING IS 12". INSIDE DROPS EXCEEDING 12" IN DIAMETER OR MULTIPLE DROPS SHALL BE REVIEWED BY THE WASTEWATER UTILITY AND MAY REQUIRE A LARGER DIAMETER MANHOLE. 6. "RELINER" BRAND STAINLESS STEEL ADJUSTABLE CLAMPING BRACKETS OR APPROVED EQUAL SHALL BE INSTALLED WITHIN 6" OF BOTH BELL AND SPIGOT ENDS OF EACH DROP PIPE. IF DROP PIPE LENGTH EXCEEDS 5 FEET THEN CENTER STRAPS SHALL BE INSTALLED WITH A MAXIMUM SPACING OF 4 FEET ON CENTER. BRACKETS SHALL BE ATTACHED UTILIZING STAINLESS STEEL EXPANSION BOLTS, MIN. 2 EACH AT CONNECTION POINTS. STD. PLAN - 402.2 V`R) PUBLIC WORKS INSIDE DROP CONNECTION APPROVED: DEPARTMENT FOR SANITARY MANHOLE c,,n Z m DATE hEk W"k, MW ini—tw CITY OF RENTON RENTON AVENUE SOUTH RESURFACING Federal Aid No STP(UL)1201(023) CONSTRUCTION COST ESTIMATE June 17, 2019 CAG-19-001 G & O #17534 SCHEDULE D - SEWER SYSTEM IMPROVEMENTS ITEM NO. DESCRIPTION 300. Licensed Surveying (1-05.4) 301. Project Temporary Traffic Control (1-10.5) 302. Locate Existing Utilities (2-09.5) 303. Sawcutting 304. Crushed Surfacing Top Course (4-04.5) 305. HMA Cl. 1 2" PG 64-22 (5-04.5) 306. Trench Excavation Safety Systems (7-09.5) 307. Bank Run Gravel for Trench Backfill (7-09.5) 308. Trench Excavation Incl. Haul (7-09.5) 309. Manhole, 48 In. Diam. 310. Manhole, Additional Height, 48 In. Diam. 311. Outside Drop Connetion, Incl. Rechannel Existing Manhole 312. PVC Sanitary Sewer Pipe, 8 In. Diam. 313. Plastic Line Subtotal Schedule D: Sales Tax @ 100 o Total Schedule D: ESTIMATED OUANTITY 1 LS 1 LS 1 405 70 150 1 550 450 2 1 1 190 50 LS LF TN TN LS TN CY EA VF LS LF LF UNIT PRICE $1,500.00 $9,000.00 $2,000.00 $6.00 $60.00 $101.00 $6,000.00 $35.00 $50.00 $6,000.00 $100.00 $7,000.00 $100.00 $3.50 AMOUNT $1,500.00 $9,000.00 $2,000.00 $2,430.00 $4,200.00 $15,150.00 $6,000.00 $19,250.00 $22,500.00 $12,000.00 $100.00 $7,000.00 $19,000.00 $175.00 $120,305.00 $12,030.50 $132,335.50 Sewer Extention Estimate Page 1 of I