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fr_3004_6-1-22DATE 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) 06/01/22 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 (8) acombes@stpud.us jryan@stpud.us 5 46 72 CME personnel arrived onsite of the Bijou waterline replacement project in South Lake Tahoe. Arrived on Fairway at 8:00am as crew continued to head east on Ferndale. The excavation today began across from 3527 Ferndale. The Vinciguerra crew (1 operator, Jim and 8 Underground Utility Pipe Fitters, 1 Truck Driver) arrived and continued to head east up Ferndale where a Cat 314C was used to dig the trench for the new 8” C 900 water pipe. The trench average was 62” deep and 25” wide. The crew placed 6” of aggregate base to be used as bedding under the C900 DR 18 or DR14, pipe placed on top of it. The DR 14 is used in conjunction with bell restraints where we go under the sewer or where we are within 10’ of sewer mainline. They then placed base up to spring line and water jetted 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. 220’ of C900 DR 18 were placed ending at Ferndale, Glenwood intersection and backfilled along with 2 short and 3 long side services. The short services were located at 3528 Ferndale and 1100 Glenwood. The long side services were located at 3529, 3535 on Ferndale and 1086 Glenwood. Sand was placed around the poly pipe prior to backfill to help protect the pipe. Pipe placement ended at Ferndale, Glenwood intersection. At times today residents asked if they could get their vehicles out and then back in, assured them that we would accommodate them when needed. The crew worked with them and they were able to get in and out with no trouble. Departed site 1730 as crew continued clean up. JVL____ 08:00 AM PM18:00 DocuSign Envelope ID: 164DBFB2-070A-4BA9-B863-D2688B8ACD3D '$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 5 46 72 08:00 18:00 C 900 DR18 220’ C 900 DR14 Saddles and services run to 3529, 3535 Ferndale, 1086 Glenwood (long) and 3528 Ferndale, 1100 Glenwood (short) The Vinciguerra crew consisted of Jim, operator, Art, Thomas, Chris, Dave, Arron, Chris, and Kieth, Colin, Morgan, Sergio underground utility pipe fitters. Austin and Casey Vinciguerra were also onsite. Equipment onsite- 2 Cat 314C excavators, Cat 304E mini excavator, John Deere 210 skip loader, Cat 299D skid steer, 4 10 wheelers The crew had 3 pipe fitters out sick, Thomas, Chris and Colin The hydrant valve and hydrant were set at station 52+81 Rt Ferndale, 3.5’ of 6” pipe The water service for 3527 Ferndale comes out south and then heads back under the main to the north. JVL____ Aggregate Base, Native 3528 Ferndale Cinderlite Pit, Trench Spoils 1 3 4 3’ BFG 2 3’ BFG 126.0 126.6 115.4 113.7 5.4 2’ BFG 1’ BFG 7.2 4.9 8.9 8.5 11.5 11.5 7.2 132.6 132.6 119.6 119.6 95 95 96 95 95 95 90 90 2 1100 Glenwood 3528 Ferndale 1100 Glenwood Troxler 3430 37748 08/18/21 Direct 2012 6 6 10 10 - - - - - - - - - - - - 10 10 6 6 Density 720Moisture DocuSign Envelope ID: 164DBFB2-070A-4BA9-B863-D2688B8ACD3D 3+2726 ,QLWLDO DATE JOB NO.3DJHRI PROJECT 06/01/22 3004 53 STPUD 2022 BOWERS & BIJOU 2/3 WATERLINES - TASK ORDER NO. 20 Another service that comes out and goes under the main at 3527 Ferndale Hydrant valve with stick of pipe attached being placed into hole Long side services were again exposed so mole could shoot to the other side of the street Section of trench that caved in prior to pipe placement DocuSign Envelope ID: 164DBFB2-070A-4BA9-B863-D2688B8ACD3D 3+2726 ,QLWLDO DATE JOB NO.3DJHRI PROJECT 06/01/22 3004 54 STPUD 2022 BOWERS & BIJOU 2/3 WATERLINES - TASK ORDER NO. 20 Attaching 3.5’ piece of 6” pipe to hydrant prior to placement in trench Aggregate Base being placed over pipe as compaction efforts are being performed by a jumping jack whacker Setting hydrant station 52+81 Ferndale Extra material being loaded for haul offsite as no material can be stored onsite DocuSign Envelope ID: 164DBFB2-070A-4BA9-B863-D2688B8ACD3D 3+2726 ,QLWLDO DATE JOB NO.3DJHRI PROJECT 06/01/22 3004 55 STPUD 2022 BOWERS & BIJOU 2/3 WATERLINES - TASK ORDER NO. 20 Concrete kicker poured behind valve with pillow below valve Base being placed over compacted native material in driveway. DocuSign Envelope ID: 164DBFB2-070A-4BA9-B863-D2688B8ACD3D