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:
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Date En nPP Cn •ul t•ito rrar•• ortaUun 170alt��)
f?�•s gn Mena�cr t
Consent By--
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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
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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
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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