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fr_3004_6-29-22DATE JOB NO.3DJHRI PROJECT LOCATION OWNER CONTRACTOR WEATHER TEMP ° F at °F at PRESENT AT SITE 6LHUUD0DQRU'ULYH6XLWH Reno, Nevada 89511 phone (775) 851-8205 fax (775) 851-8593 FIELD REPORT THE FOLLOWING WAS NOTED Report No. IN HOUSE ROUTE TO: EMAIL: JAD___ Submitted by CONCRETE FIELD TEST SUMMARY 0L[1R 6SHF6WUHQJWK36, &RQFUHWH *URXW 0RUWDU 2WKHU 7UXFN1R /RFDWLRQ &\OV7DNHQ 6OXPS³ $LU&RQWHQW &RQF7HPS) 06/29/22 3004 STPUD 2022 BOWERS & BIJOU 2/3 WATERLINES - TASK ORDER NO. 20 South Lake Tahoe, CA South Tahoe Public Utility District Vinciguerra Construction Adrian Combes SOUTH TAHOE PUBLIC UTILITY DISTRICT 1275 Meadow Crest Drive South Lake Tahoe, CA 96150 Clear/Calm Vinciguerra crew (9) acombes@stpud.us jryan@stpud.us 4 65 78 CME personnel arrived on-site of the waterline replacement project in South Lake Tahoe. Arrived on-site at 8:00am and was informed that they were continuing on Shirley with todays excavation beginning at the hydrant at station 4+98 Rt and ended at The Vinciguerra crew (1 operator, Jim and 9 Underground Utility Pipe Fitters, 1 Truck Driver) arrived and continued the excavation on the south side of Shirley. A Cat 314C was used to dig the trench for the new 8” C 900 water pipe. The crew placed 6” of aggregate base to be used as bedding with pipe placed on top of it. They then placed base up to spring line and water jet it to make sure there were no voids under the pipe. 1’ of aggregate base was then placed over the pipe and compacted by jumping jack whackers. 95% of the maximum dry density is required on base and testing was performed. The maximum dry density of the base is a 132.6 at 7.2% moisture as provided by CME on 5-18-22. The results of the testing can be found in this report. The native material that was placed was also tested using a 119.6 maximum dry density and 11.5% moisture. These numbers were also provided by the CME laboratory. Results for this testing can also be found in this report. Although the the specifications call for 95% had been informed by Adrian with STPUD that 90% would be satisfactory on the intermediate backfill. A compaction wheel attached to an excavator was used for compaction efforts. 320’ of DR14 was placed on Shirley and was backfilled along with 9 services. They were located at 3593, 3589, 3599, 3601, 3605 (long) 3604, 3606, 3612, 3616 (short). There was another service that gave us problems at 3604 Shirley, upon pot holing it was found to run parallel with trench. STPUD was called to confirm if line was live and it ended up running from the main south to the other side of the street where it served 3 houses, 3604, 3606 and 3612. This came as a surprise to STPUD and contractor but we were able to shift the trench alignment north and continue. There was concern about the line sagging into the trench but were able to get through with no issues. JVL____ 08:00 AM PM18:00 DocuSign Envelope ID: 5455B596-AA65-44BD-A782-A67A28A53A1D '$7( -2%12 352-(&7 /2&$7,21 2:1(5 &2175$&725 :($7+(5 7(03 ) DW $0 )DW30 35(6(17$76,7( 6LHUUD0DQRU'ULYH6XLWH 5HQR1HYDGD SKRQH ID[ FIELD REPORT 7+()2//2:,1*:$6127(' 5HSRUW1R ,1+286(5287(72 (0$,/ -$'BBB Submitted by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outh Lake Tahoe, CA South Tahoe Public Utility District Vinciguerra Construction Adrian Combes SOUTH TAHOE PUBLIC UTILITY DISTRICT 1275 Meadow Crest Drive South Lake Tahoe, CA 96150 Clear/Calm acombes@stpud.us jryan@stpud.us 4 65 78 08:00 18:00 C 900 DR18 C 900 DR14- 320’ Services- 9, 5 long and 4 short Extra Depth- 40’ 1’ extra The Vinciguerra crew consisted of Jim, operator, Art, Thomas, Chris, Dave, Arron, Chris, and Kieth, Colin, Morgan, Sergio, and Alex underground utility pipe fitters. Casey and Austin Vinciguerra were also on-site. Sergio was not on-site. Equipment on-site- 2 Cat 314C excavators, Cat 304E mini excavator, John Deere 210 skip loader, Cat 299D skid steer, 4 10 wheelers. 320’ of DR14 was placed on Shirley along with 9 services. They were located at 3593, 3589, 3599, 3601, 3605 ( long) 3604. 3606, 3612, 3616 (short) It was discovered that there was a water service running from the main across the street that feeds 3 houses, 3604, 3606 and 3612 Shirley. It was first thought to be abandoned but STPUD was called and was believed to be live, these are the only houses on Shirley that run of that single service. JVL____ Aggregate Base, Native Vanda Lee Storm Drain repair Cinderlite Pit, Trench Spoils 1 3 3’ BFG 2 3’ BFG 127.8 126.6 109.4 4.7 1’ BFG 7.2 5.0 9.4 11.3 7.2 132.6 132.6 119.6 96 95 91 95 95 90 2 3606 Shirley 3612 Shirley Troxler 3430 37748 08/18/21 Direct 20 6 6 10 - - - - - - - - - - - - - - 10 6 6 Density 72Moisture DocuSign Envelope ID: 5455B596-AA65-44BD-A782-A67A28A53A1D 3+2726 ,QLWLDO DATE JOB NO.3DJHRI PROJECT 06/29/22 3004 43 STPUD 2022 BOWERS & BIJOU 2/3 WATERLINES - TASK ORDER NO. 20 Pot hole crew in front of the excavation Storm drain ﬁxed on Vanda Lee, contractor had hit it on Friday and did temporary ﬁx Abandoned communication cut at pole 3606 Shirley Compaction efforts around storm drain on Vanda Lee DocuSign Envelope ID: 5455B596-AA65-44BD-A782-A67A28A53A1D 3+2726 ,QLWLDO DATE JOB NO.3DJHRI PROJECT 06/29/22 3004 44 STPUD 2022 BOWERS & BIJOU 2/3 WATERLINES - TASK ORDER NO. 20 3/4” line that comes across the street from main that feeds 3 houses 3604, 3606 and 3612 was not shown on plans Cable TV and mark Drain rock used around hydrants Mark for cable TV 5-7’ off DocuSign Envelope ID: 5455B596-AA65-44BD-A782-A67A28A53A1D