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Home My WebLink AboutPBS Engineering and Environmental, Inc., Supplemental No. 1 - 050718Supplemental Agreement Organization and Address: Number: I PBS Engineering and Environmental, Inc. 1180 NW Maple St., Suite 160 Issaquah, WA 98027 Phone: (425) 654-8755 Agreement Number: PBS 2018-1 Project Number: 18020310 Execution Date: January 22, 2018 Project Title: Snow Creek Road MP 0.84 Culvert Completion Date: March 31, 2019 Replacement — Preliminary Design Description of Work: New Maximum Amount Payable: $117,750.00 The consultant shall perform additional drilling and geotechnical analysis at Snow Creek Road MP 0.84 to better assess options for culvert replacement. The Local Agency of Jefferson County Public Works hereby amends the agreement with PBS Engineering and Environmental, Inc., executed on January 22, 2018. All provisions in the original agreement remain in effect except as expressly modified by this Supplemental Agreement. The changes to the agreement are described as follows: II Section Il, SCOPE OF WORK, shall be amended by supplementing Task No. 200, Geotechnical Explorations and Report. The additional work that will be done under Task No. 200 is set forth in the attached Exhibit A, and by this reference made a part of this supplement. u Section V, PAYMENT, shall be amended as follows: Task No. 200, Geotechnical Explorations and Report, will have a new maximum amount payable of $44,884. The new, total maximum amount payable will be $117,750, as shown below. Snow Creek Road MP 0.84 Page 1 of 3 Revised 4/2018 Supplemental Agreement No. 1 Task No. Task Description Current Maximum Amount Payable Supplement #1 New Maximum Amount Payable 100 Topographic Survey $1,044.00 $0.00 $1,044.00 200 Geotechnical Explorations and Report $30,060.00 $14,824.00 $44,884.00 300 Biologic Fieldwork and Reporting $10,311.00 $0.00 $10,311.00 400 Hydrologic and Hydraulic Analysis $7,137.00 $0.00 $7,137.00 500 Open -Cut Culvert Replacement Alternative and Earth Work Analysis $6,481.00 $0.00 $6,481.00 600 Bridge Alternative $15,200.00 $0.00 $15,200.00 700 Trenchless Alternative $10,331.00 $0.00 $10,331.00 800 Alternatives Analysis and Constructability Review $3,480.00 $0.00 $3,480.00 900 Final Report $4,102.00 $0.00 $4,102.00 1000 Project Management $9,280.00 $0.00 $9,280.00 1100 Management Reserve and Final Drawings $5,000.00 $0.00 $5,000.00 Expenses $500.00 $0.00 $500.00 TOTAL $102,926.00 $14,824.00 $117,750.00 Snow Creek Road MP 0.84 Page 2 of 3 Revised 4/2018 Supplemental Agreement No. 1 This Supplemental Agreement Number 1 shall be effective upon execution by both parties, below. Work performed consistent with the agreement prior to execution of this Supplemental Agreement is hereby ratified. In witness whereof, the parties hereto have executed this Supplemental Agreement Number 1 as shown below. (Consultant Firm Name) 094VIO 5A!�aa,9z- Consultant's Name (Please print) zzeo��7 zz��)4 onsultant's Signature 4 18 Date Monte em .E. f5ate Public Works Director/County Engineer Snow Creek Road MP 0.84 Supplemental Agreement No. 1 COUNTY OF JEFFERSON BOARD OF COMMISSIONERS Davilgullivan, Chair Date K e Dean, Member Date Kathleen Kler, Member Date Approved as to form only: -5rllrz� -1-7 //"r / Philip C. Hunsucker Date Chief Civil Deputy Prosecuting Attorney Page 3 of 3 Revised 4/2018 EXHIBIT A SNOW CREEK ROAD CULVERT REPLACEMENT STUDIES Project No. 170524, PBS Engineering and Environmental, Inc. Geotechnical Engineering Evaluation Scope of Work for Supplemental Investigations (April 11, 2017) Background: Initial geotechnical explorations have revealed highly variable embankment fill thickness and a steeply sloping bedrock surface. In some locations, the hollow stem auger was able to advance into highly weathered bedrock and in other locations the hollow stem auger met with refusal near the surface of the bedrock; this suggests the rock strength and degree of weathering is variable. During a design team alternatives review meeting with Jefferson County Public Works, it was agreed that supplemental field explorations were warranted to better define subsurface stratigraphy at the culvert site. Field Explorations: Aspect will return to the site to advance three additional explorations. We will identify the planned boring locations in the field and call for utility locates. We will communicate with Jefferson County Public Works, who will provide traffic control support services (cones, signs, and flaggers as required) to support the drilling work near the roadway fog lines/shoulders. We will mobilize a drilling subcontractor to the site to complete three exploratory borings over two -days. These borings will be advanced through the embankment fill utilizing mud rotary methods, and will continue through highly weathered siltstone, until practical refusal. At that depth, we will switch to HQ drilling and coring methods, and the borings will continue an additional 10 feet into the siltstone. All borings will be drilled from the paved roadway shoulders at the locations marked on the attached site plan. Each proposed boring location is also described here, relative to the existing boring data points and the existing culvert: • One boring about 30 feet east of the existing culvert, generally aligned with B-1, B-4, and 13-5; • Two borings about 30 and 90 feet west of the existing culvert, generally aligned with B-2 and B-3. Laboratory Testing and Geologic Interpretations: Disturbed soil and rock samples obtained from the borings will be placed in air -tight jars or bags. Intact rock core will be placed in core boxes and transported to Aspect's geotechnical laboratory in Seattle for further examination. Selected samples will be submitted for laboratory testing of index and engineering properties. Rock quality designation (RQD) will be determined on recovered cores. Unconfined compressive strength testing will be performed on intact core samples. The results of these supplemental field explorations and laboratory testing will enable us to characterize and map out the three-dimensional contact between embankment fill and siltstone bedrock. The geotechnical engineering report will be updated to reflect this information. Project and Contract Management and Administration: Aspect will manage their work and that of their subcontractors/subconsultants to complete this supplemental work. Aspect will correspond with PBS as needed with respect to contracts, insurance certificates, billing cycles, etc. Progress reports will be provided with each monthly invoice. Attached: Site Plan with Proposed Borings Project Management Plan xoL:Nlmm'u�nnoW 4wo oio.,uev+ �3ec'euode3w wtws'a�lmw3m :�I{do rvxacle NOi0NIHSVM `AlNn00 N0SNa=uAr nyY I n • � aroL nins�arooe enn91w�xnaiiie`� ,. 1N3W30d1d3N 1N3A1f10 ad0H X33N0 MONS I i� I 1 E- }N a II '11111p1ItltlOdtlW ' l �u �,6'�, ..�p;''� wio e y Fp I NJ :NOj NOIlt/A313 (INV NVId _ Z N31d l I 1 II i 'OlHS 3NVl 3r 'OIHS I � .0-,0 ,0 -,OL ,0 -.OL �I I AtlMOVO!! ,l -,L ` I - I 31JOl00Nls 1f10 -1f10 F I I I I I I I I I ¢< CZ U II II F I i� I 1 }N a II .oI l wio / I Fp I NJ � _ Z N31d l I 1 i U I <¢ I U AUW31d pmo ( I I I a I I I I d I I I I I I I I i a o I j I I am f I I I' I f I 0 I I � L 631d _ 1 I t m�- II _ II i 'OlHS 3NVl 3r 'OIHS I � .0-,0 ,0 -,OL ,0 -.OL �I I AtlMOVO!! ,l -,L ` I - I 31JOl00Nls 1f10 -1f10 F I I I I I I 00'64+OL_vis_ L a31d 3 0 mI 1 � 1 133! NI NOLLYA313 0 wW ¢< CZ U Z Z F V V J }N a .oI l wio / Fp I NJ OS'lB+LL 'Ills _ Z N31d l 00'64+OL_vis_ L a31d 3 0 mI 1 � 1 133! NI NOLLYA313 0 wW ... Snow Creek Culvert Replacement Supplemental Geotechnical Explorations Project Management Plan 'ASPedconsutting I O -Apr -18 job Number. 170524 Date Authorized. Project Manager. Erik Andersen Budget: $ 17,524 Communications Charge: 47. Target Completion Date: 5/10/18 Task # 1 2 3 I r .s� J L $ /1614 $ 1 l $ 9,80U $ 11,524 Task Title 1. Project Management and Correspondence $ Labor Budget Basis in Hours DOC Subs Total $ 804 2. Supplemental Explorations $ 4,143 $ 110 $ 8,800 $ 13,053 3. Sample Reviews, Testing, Updated Cross Sections EOA AH MO I SC 2,668 1 1 $ 1,000 $ 3,668 Total Project Budget $ 7,614 $ Sr. Senior Sr. Project Remaining budget from original agreement Other ($2,700) Total supplement amount Principal Associate Project Sr. Staff GISICAD Assistant Total Direct Labor Charges Task Work Element Budget (ODC) Subs End Date $ 24966 $ 21266 $ 171.67 l $ 141.23 $$ 118 11 ! $""95.82 1 I. Project Management and Correspondence 4/17118 1 Project Management, Invoicing, Progress Reports 2 1 I $8042 2. Supplemental Explorations 4/28/18 2Plan and Coordinate Field Work (Traffic Control, 72-1— Subcontractors, Utility Locates) 6 1 $ 1,115 2 Geotechnical Borings (three additional hollow stem auger explorations with 10-15 feet of HQ rock coring) 2 2 16 $ 3,028 $ 110 $ 8,800 Traffic Control Support pp to be provided by Jefferson -- - _- 2 County 3 3. Sample Reviews, Testing, Updated Cross Sections 5/10/18 3 Visual Manual Classifications, Boring Logs I I 2 $ 667 3 Assign and Review Lab Testing I I $ 313 Updated Subsurface Profiles (parallel and perpendicular to 3 the culvert)2 2 4 3 $ 1,688 Task # 1 2 3 I r .s� J L $ /1614 $ 1 l $ 9,80U $ 11,524 Task Title 1. Project Management and Correspondence $ Labor 804 DOC Subs Total $ 804 2. Supplemental Explorations $ 4,143 $ 110 $ 8,800 $ 13,053 3. Sample Reviews, Testing, Updated Cross Sections $ 2,668 1 1 $ 1,000 $ 3,668 Total Project Budget $ 7,614 $ 110 $ 9,800 $ 17,524 Remaining budget from original agreement ($2,700) Total supplement amount $14,824 Aspect Consulting, LLC PW 10(1 M: Waw creek cuhen MIT— munty,Contmc.Wv b..I Nwteric;ASuppk—ntd Inresrigatidul5rww Geek Cohen Replacement Supplemental Eiylone— by —,b, Department of Public Works O Consent Agenda Page 1 of 1 Jefferson County Board of Commissioners Agenda Request To: Board of Commissioners Philip Morley, County Administrator From: Monte Reinders, P.E., Public Works Director/County Engineer, Agenda Date: May 21; 2018 Subject: Supplemental Agreement for Consultant Services with PBS Engineering and Environmental, Inc. for Snow Creek Road MP 0.84 Preliminary Design, County Project No. 18020310 Statement of Issue: Public Works staff requests a modification of the scope of work and budget in the original agreement with PBS Engineering and Environmental to include additional geotechnical exploration and analysis for the Snow Creek Road MP 0.84 Preliminary Design. Analysis/Strategic Goals/Pro's Et Con's: This supplement to the existing scope of work between Jefferson County and PBS Engineering and Environmental is for additional geotechnical exploration and analysis for the Snow Creek Road MP 0.84 Preliminary Design. Fiscal Impact/Cost Benefit Analysis: The maximum amount payable for this supplement is $14,824.00. The maximum amount payable for the PBS Engineering and Environmental agreement will increase from $102,926.00 to $117,750.00. This preliminary design work is funded by the County Road Fund. Public Works intends to seek grant funding for project construction. Recommendation: The Board is requested to sign all three originals of the Supplemental Agreement with PBS Engineering and Environmental, and return two originals to Public Works. Department Contact: Mark Thurston, P.E., Project Manager, 385-9160. Date CONTRACT REVIEW FORM CONTRACT WITH: PBS Engineering and Environmental, Inc. (Contractor/Consultant) CONTRACT FOR: Snow Creek Road MP 0.84 Preliminary Design — TERM: March 31, 2019 Supplemental Agreement No. 1 COUNTY DEPARTMENT: Public Works For More Information Contact: Mark Thurston Contact Phone #: (360) 385-9210 RETURN TO: Mark Thurston RFTURN BY: 5/9/2018 (Person in Department) (Date) AMOUNT: $14,824.00 PROCESS: Revenue: Expenditure: Matching Funds Required: Sources(s) of Matching Funds 180000010.333.20.22 180000010.595 Exempt from Bid Process X Consultant Selection Process Cooperative Purchase Competitive Sealed Bid Small Works Roster Vendor List Bid RFP or RFQ Other Step l: REVIEW BY NT Review by: d Date Reviewed: APPROVED FORM ❑ Returned for revision (See Comments) Comments Step 2: REVIEW BY PROSECU=NgATTORNEY Review by: Date Reviewed: APPROVED AS TO FORM ❑ Returned for revision (See Comments) Comments Step 3: (If required) DEPARTMENT MAKES REVISIONS AND RESUBMITS TO RISK MANAGEMENT AND PROSECUTING ATTORNEY Step 4: CONTRACTOR/CONSULTANT SIGNS APPROPRIATE NUMBER OF ORIGINALS Step 5: SUBMIT TO BOCC FOR APPROVAL Submit originals and 9 copies of Contract, Review Form, and Agenda Bill to BOCC Office. Place "Sign Here" markers on all places the BOCC needs to sign. MUST be in BOCC Office by 4:30 p.m. TUESDAY for the following Monday's agenda. (This form is to stay with contract throughout the contract review process.)