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Home My WebLink AboutSHN Consulting Engineers & Geologists, Inc. 2017-03-20; Amendment 1X617 X79 A2 CITY OF UKIAH AMENDMENT NO. 1 TO AGREEMENT FOR PROFESSIONAL CONSULTING SERVICES DATED MARCH 20, 2017 TERMS AND CONDITIONS All terms and conditions of the Agreement for Professional Consulting Services dated March 20, 2017 shall remain in force and effect except as modified by this first amendment. AUTHORIZATION Upon execution of this amendment, service provider is authorized to provide the service described under the Scope of Additional Work identified in this Amendment No. 1. SCOPE OF ADDITIONAL WORK Work authorized by this amendment shall include extending such work described in the February 28, 2017 letter proposal from SHN Consulting Engineers & Geologists, Inc. A copy of said letter is included in this first amendment. COMPENSATION Compensation for the performance of the additional work shall be made on a time and expense basis at Consultant's customary fees. Expenses shall not exceed a maximum additional total cost of $5,000 for a total contract cost of $21,520 SHN CONSULTING ENGINEERS AND GEOLOGISTS, INC. BY: THOMAS M. HERMAN PRINCIPAL DATE Amendment No. t to Apreemem for M*kS$WW Cormul" serAm CITY OF UKIAH a BY: G NGIACOMO ITY MANAGER { DATE 4Y;TCONSULTING ENGINEERS & GEOLOGISTS, INC. 3318 Main 5 • Y MAS CA 95490-3977 701459.4518 • FAX 707 459 1884 . witiiainroosivi-angr.com Reference: 417000.028 February 28, 2017 Mr. Jarod Thiele, Project Analyst City of Ukiah '400 Seminary Avenue Ukiah, CA 95482 Subject: Proposal to Provide Construction Testing Services for the Sewer and Water Replacement Project, Specification No. 16-10 Dear Mr. Thiele- Thank you far this opportunity for SHN Consulting Engineers & Geolugists, Inc (Sl IN) to offer the following proposal to the City of Ukiah (Cit>;) to provide Construction Materials Testing for the LVater anti Seiler Replacement Project (Project). Follimtirig is a brief discussion of SHN s construction materials testing services yualific-itioits, our project understanding including scope of scars i.. es, and our proposed fee estimate. Firm Qualifications Sinn's construction materials testing staff is coniprised of citil enginctirs certified construction inspectors, and niaterial testers. Our field and laWrator) testing technicians are certified by Cahuui% American Concrete Institute (AC[), National Institute for Certification in Lngineefing'iechnoiogies (NICEI'), Internationril Cnde Council KC) and our laboratory is accredited by Caltrans and the AASI ITO Accreditation Program (AAP) Our laboratory and field technicians use state of the art, calibrated testing eyuipnient to protide accurate and timely construction materials compliance analysis Refer to Att,ichment 11- Technician and I aboraton Certifications References SI IN has provided construction matt -'61115 l<sUng services for the City of Ukiah, Mon mino County, Count)' of Lake, City of Fort Bragg, City of 1Viilits, Trdnk R. I loward Memoria[ Hospital, and Mendocino Coast District Hospital among others. Our recent t nnstruction inalerials testing services projects includr= North State Street Sewer itfain Iniprovements - City of Ukiah Dept. of Public 1-Vorks - client contact- Jarod I'hiele, 300 Seminary Ave, Ukiah. CA 95482-5400, 707.463.6755 • Chestnut StreLt Corridor Improvements - City of Fort Bragg - client conlact.• -loin Varga, 416 Nardi Franklin Street, Cart Braga, CA 95417, 707-961-2823 Summers Lane Reservoir - City of Fort Bragg client contact. Sergio Fuentes,'l t6 North rranklin Street, Fort Bragg. CA 707-961.282.3 Project Understanding and Scope of Work Our project understanding anti scope of work is based upon a review of the Project plans and specifications and the specific items of work identified in the Reyutrst for Proposal (RF1') received on February 2 t, 2017. Following is a discussion of SI IN's approach to providing the specific construction materials testing cervices oullimd in the RFP. MAW an liMcie l Paper Mr. )arod 'lliiele Testing Services for the Sewer and Water Replacement Project, Spec. No. 16.10 I•ebruary 28, 2017 Page 2 Scheduling and Repotting of Test Results 'I'he request for proposals (RF11) indicates a construction start date of February 27, 2017, however compaction lesting of trench backfill is not anticipated until mid-March 2017. SHN will be in direct conLact with the City Engineer or his designee for scheduling of any field sampling and/or testing at.tivities, wide a minimum notice of twenty four hours. Test results of compaction tests will be provided to our client representative in the field immediately upun completion of testing, followed by a written test report within a forty eight hour period. Results of all laboratory testing will be reported in writing within a forty eight hour period from the time the testing is completed. Compaction Testing based un the anticipated amount of individmil compaction testa requesled in the RFP (88 on sewer/water trench backfill & I I on lateral trench backfill), and the cumulative total length and depth of utility trench, and the amount of work days anticipated, we estimate an average of three cnnttpacbon tests per day. with a testing frequency of one test per two hundred linear feet of pipe installed, at depth intervals of approximately taelu a inches, for a total of '43 {lays. We propose to provide 2 hours of ort -Site compaction testing services for each site visit. Lateral treitrhes can he tested for relative compaction on a random basis at the discrction of the project inspector. Our tasting technician will also provido subgrade anti aggregate base mmpactiuit testing for the roadway improtements upon the completion of thte sewer anti water mains installation on each of the three roads. All soils compaction testing will be performed in accordance with Caltrans method Cr 231 (nuclear method). Subsequent asphalt paving will be tested ill accordance with Caltrans hst method Cf' 375 (nuclear method) We propo.%: to perform th; asphalt pavement compaction testing on a total of five iiulividual hays %{vitt", the anticipated total daily quantity of asplialt is at least 300 tons or greater. Materials Testing The testing technician will collect construction material, samples as required ill the Project apttificatnorts anti transport thein to our Caltrans cvrtifit+d Willits laboratory for testing and analysis. l he scope of services for materials testing; requested in tie RFP includes three individual samples of trench backfill to lie tested for quality requirements (Sand Equivalent Cl' 217, and Sieve Amilysia CI' 202) Sampling of trench backfill material for lht puri) -A., of yualily testing can be perfurnicd ethile on site for compaction testing and lead time for laboratory testing and reporting of test results are typically isithin 48 hours of sampling in the field. A minimum of one full five gallon bucket of material, sampled in accordance with Caltrans sampling method Cl' 125, is required to ensure tine minimum amount of materials to perform laboratory quality testing. Sampling events will be coordinated with the city of Ukiah Inspector and/or the contract.tr s representative. Proposed Fee We understand that the Project is projected to have a construction pxtriod of 180 working days. Because construction projects often proceed on a schedule that is unforeseeable, we have estimated our costs based upon an assumption that our scope of services will be completed in 38 nonconsctiutive working clays. Our estimated fees art! based on daily rates, including two hour onsite, plus travel expenses, for the tlunlbLr of working days anticipated for our scope of work on the Project. St IN does not have minimum time charges per site t isit and eve will invoice the City only for time spent performing the required services. Where possible, we will combine multiple tasks into one trip it) reduce testing and inspection costs for the project. Mr. Jarod Thiele Testing Services for the Sewer and Water Replacement Project, Spec. No. 16-10 l•ebruary 28, 2017 Page 3 titre propose to provide the required services on accrued time and expenses as set forth below and the final cost Will not Mt -ed $16,570, Additional testing, if required, will be billed at the daily rate shown below. This proposal is to be considered a firm offer for a minimum period of thirty (30) days after the submittal date Daily Construction Testing (2 hours per site visit on 3R working da)s) Assiones 76 h. vrrro Travel Aisrnne, i8 r inO trips frau I villas lip tWall (I lmnr lrmal Mile and ao uriletrge elrar&%) &latcrials Testing Cunrprtrt oir testing of !mirth+ backfill and r.tisliag srrbgrade, qgr: gate base, arld AC parlurg fiv r, enllrvtya f slinrale in. lads s Urnv rom _irlrnn mates, three :ieneIII ralViI1 dirt'[ GE, Fi aur#errrgrrg4� t naXe (true hairs per+loy Pry a t Nlanagement Srhkiduling, & Rep,.rNng A.s+ureet l0lr rnrs Materials i esting Technician $ 6,7111 $115 per hour prevailing wage 1 vchni, ian 5100 pLr Kwr }_pw Ahtcag% Rate -5 00. mile 1 r, jum hlanigct 5100 Per hour 1011 '101a1 —$16,520 .'"'��„ Unit Cosi fur Adetnional Testing (daily rate inducts -s hvrr hours onsite. nuClrar gege, lir nnc hoar trawl time) 5 380f day SHNr has a proven track record of working successftilly with the City. S1 - N appreciates the} opportunity to provide these services for elle City and lve look for%VArd to assisting YOU with the Completion of the Project. Should you have any questions, or need addihnnot mformalion please do not heeitale to call Again, thank ymi for this opportunity to lx- of service Sincerely, SHN Consulting Engineers & Geologists, Inc. lllomas ht. Herman Regional Manager Attachments: Attachment A - Technician and I -lxrratory CCItifiLdtions Attachment B - 2U175chedule of Charges X—, rr