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fr_3004_6-3-22_tiDATE 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) 06/03/22 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 5 55 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 Fairway to continue excavation. They started today on the north side of the Deer and Fairway intersection where they stopped yesterday. The Vinciguerra crew (1 operator, Jim and 9 Underground Utility Pipe Fitters, 1 Truck Driver) arrived and went south on Fairway where 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, 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. 80’ of C900 DR 18 and 20’ of C900 DR 14 was placed along Fairway and backfilled along with 1 short and 1 long side services. The short services were located at 3501 Deer, with the long side being located at 3523 Blackwood. The contractor also tried to mole the long side service to 1130 Fairway but failed numerous attempts. It is believed it will have to be saw cut and dug. Sand was placed around the poly pipe prior to backfill to help protect the pipe. Pipe placement ended at 1135 Fairway. Bill from STPUD came out to site to confirm locations of sewer laterals at 1135 Fairway and 3501 Deer. The laterals are approximately 135’ and 137’ east of manhole at the intersection of Deer and Fairway. While onsite also confirmed the location for 1139 Fairway, they were close to marks but confirmation never hurts. Departed site 1600 as crew continued clean up. JVL____ 08:00 AM PM18:00 DocuSign Envelope ID: E1225A0F-4795-49CD-87BF-06C3CEA3B8BE '$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 5HQR 1HYDGD 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 5 55 72 08:00 18:00 C 900 DR18 80’ C 900 DR14 20’ Saddles and services run to 3501 Deer [off Fairway line] short, 3523 Blackwood 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. 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 JVL____ Aggregate Base, Native Deer and Fairway Intersection Cinderlite Pit, Trench Spoils 1 3’ BFG 2 1’ BFG 126.4 114.4 6.1 7.2 10.2 11.5 132.6 119.6 95 96 95 90 2 Deer and Fairway Intersection Troxler 3430 37748 08/18/21 Direct 2012 6 10 - - - - - - - - - - - - - - - - 10 6 Density 722Moisture DocuSign Envelope ID: E1225A0F-4795-49CD-87BF-06C3CEA3B8BE 3+2726 ,QLWLDO DATE JOB NO.3DJH RI PROJECT 06/03/22 3004 53 STPUD 2022 BOWERS & BIJOU 2/3 WATERLINES - TASK ORDER NO. 20 Preparation for hydrant placement at station 17+80 Lt Fairway Gas main hidden among the roots Setting hydrant at station 17+80 Lt Fairway, it ended up being to short and was not placed Checking grade for excavation DocuSign Envelope ID: E1225A0F-4795-49CD-87BF-06C3CEA3B8BE 3+2726 ,QLWLDO DATE JOB NO.3DJH RI PROJECT 06/03/22 3004 54 STPUD 2022 BOWERS & BIJOU 2/3 WATERLINES - TASK ORDER NO. 20 Clearance between new 8’’ main and to be abandoned 1.5’’ main on Deer Water jet being applied to material up to spring line Valve cluster of 3-8’’ gate valves at the intersection of Deer and Fairway Connecting out of ‘’T’’ heading south down Fairway DocuSign Envelope ID: E1225A0F-4795-49CD-87BF-06C3CEA3B8BE 3+2726 ,QLWLDO DATE JOB NO.3DJH RI PROJECT 06/03/22 3004 55 STPUD 2022 BOWERS & BIJOU 2/3 WATERLINES - TASK ORDER NO. 20 Area between backﬁll where it will be plated Plates placed over the open trench for the weekend DocuSign Envelope ID: E1225A0F-4795-49CD-87BF-06C3CEA3B8BE