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fr_3004_6-7-22DATE 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) 06/07/22 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 Partly Cloudy/Calm Vinciguerra crew (9) acombes@stpud.us jryan@stpud.us 6 47 72 CME personnel arrived onsite of the Bijou waterline replacement project in South Lake Tahoe. Arrived on Fairway at 8:00am as crew moved back to Deer to continue excavation. They started today at 3522 Deer. The Vinciguerra crew (1 operator, Jim and 9 Underground Utility Pipe Fitters, 1 Truck Driver) arrived and continued east on Deer. 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 under the C900 DR 18 or DR14, with pipe placed on top of it. The DR 14 is used in conjunction with bell restraints where we center it under the sewer or where we are within 10’ of sewer mainline. 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. 180’ of C900 DR 18 and 20’ of C900 DR 14 was placed along Deer and backfilled along with 3 short and 3 long side services. The short services were located at 3528, 3532, and 3538 all on Deer, with the long sides being located at 3527, 3533 on Deer and 1124 Glenwood. Sand was placed around the poly pipe prior to backfill to help protect the pipe. Pipe placement ended at intersection of Deer and Glenwood. 60’ of DR 18 was placed on Fairway in front of 1161. The crew moved there when the service was hit. Departed site 1800 as crew continued clean up. JVL____ 08:00 AM PM18:00 DocuSign Envelope ID: DF2C81D7-AD48-417F-9F82-1F774C88721E '$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 Partly Cloudy/Calm acombes@stpud.us jryan@stpud.us 6 47 72 08:00 18:00 C 900 DR18 240’ (60’ on Fairway) C 900 DR14 20’ Saddles and services run to 3528, 3532, 3538 (short) 3527, 3533 (long) Deer, and 1124 Glenwood (long) The Vinciguerra crew consisted of Jim, operator, Art, Thomas, Chris, Dave, Arron, Chris, and Kieth, Colin, Morgan, Sergio, Boone and Alex underground utility pipe fitters. Wayne 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 Sewer lateral was hit at 3528 Deer, 5.5’ off mark, contractor fixed and continued. The water service for 1134 Fairway was also hit today. It was another one that came out the east side and ran to a house on the west side. STPUD was called and arrived and shut off the water and repaired the service. The water was shut down approximately 1 hour and 45 minutes. The mole also got stuck in its attempt to do the service for 1124 Glenwood. It made its way through but on the way back with the poly attached it got stuck. A hole was cut in the street at the sticking point and it was found that it was a root that was preventing it from being pulled back. The root was cut out and poly placed and backfilled. JVL____ Aggregate Base, Native 3528 Deer Cinderlite Pit, Trench Spoils 1 3 4 5 3’ BFG 2 3’ BFG 3’ BFG 125.6 126.7 110.4 112.6 126.1 5.2 1’ BFG 1’ BFG 7.2 5.4 9.8 9.5 5.5 11.5 11.5 7.2 7.2 132.6 132.6 119.6 119.6 132.6 95 96 92 94 95 95 95 90 90 95 2 3532 Deer 3532 Deer 3538 Deer 1161 Fairway Troxler 3430 37748 08/18/21 Direct 2005 6 6 10 10 - - - - - - - - - - - - 10 10 6 6 Density 720Moisture DocuSign Envelope ID: DF2C81D7-AD48-417F-9F82-1F774C88721E 3+2726 ,QLWLDO DATE JOB NO.3DJHRI PROJECT 06/07/22 3004 63 STPUD 2022 BOWERS & BIJOU 2/3 WATERLINES - TASK ORDER NO. 20 Backﬁlled services waiting for new line to be put into service Material being loaded for off haul and processing Plates being removed for start of excavation Concrete kicker poured at hydrant station 73+33 Rt Deer DocuSign Envelope ID: DF2C81D7-AD48-417F-9F82-1F774C88721E 3+2726 ,QLWLDO DATE JOB NO.3DJHRI PROJECT 06/07/22 3004 64 STPUD 2022 BOWERS & BIJOU 2/3 WATERLINES - TASK ORDER NO. 20 Concrete being mixed for kicker The hit service at 1134 Fairway Section of base that had been water jetted Mark in line with service but crew was unaware that it came out on east side of main for house on west side of street DocuSign Envelope ID: DF2C81D7-AD48-417F-9F82-1F774C88721E 3+2726 ,QLWLDO DATE JOB NO.3DJHRI PROJECT 06/07/22 3004 65 STPUD 2022 BOWERS & BIJOU 2/3 WATERLINES - TASK ORDER NO. 20 STPUD vac truck onsite to assist with leak Section pulled out of main it appeared to come out approximately 1’ before turning back under main End of the run at Deer and Glenwood Cap placed into section that ran under main and into meter DocuSign Envelope ID: DF2C81D7-AD48-417F-9F82-1F774C88721E 3+2726 ,QLWLDO DATE JOB NO.3DJHRI PROJECT 06/07/22 3004 66 STPUD 2022 BOWERS & BIJOU 2/3 WATERLINES - TASK ORDER NO. 20 Section of trench opened on Fairway, it’s where the excavator moved after hitting service Service reattached by STPUD still travels from east to west under the main Section of root that the mole went through but could not be pulled back with poly Compaction efforts on services DocuSign Envelope ID: DF2C81D7-AD48-417F-9F82-1F774C88721E