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LJ <br />OG or GP <br />4. � <br />EXCAVATION BACKFILL <br />IN TRENCH <br />Gp- <br />Ln {. . <br />EXCAVATI❑N BACKFILL <br />IN EMBANKMENT <br />� V min � 1' <br />CYIGG!!�Y(A/✓✓✓✓✓✓l✓✓✓J F1'-3" min <br />;i <br />-3„ <br />MFTI-InTI 1 <br />EXCAVATION <br />X 1'-0" Where Method 1 Or 2 Backfill is used. <br />2'-0" Where Method 3 Backfill is used. <br />See <br />Note 3 <br />METHOD 2 <br />BACKFILL <br />® <br />Structure excavation ( Culvert ) <br />®Structure <br />backfill ( Culvert ) <br />95% relative compaction <br />® <br />Roadway embankment <br />!:,';?.,. Slurry cement backfill <br />STANDARD DRAWING <br />FILE NO. XS 4-29 I DESIGN I 111` 1Y00DY ICNELI® CXATdl_.tlNl ,�PRnN� REG� <br />DESIGN DETAILS iY R' Ya'g� CHA TJSLAIN� <br />DATE 10/92 I SUINOTT D By COTTiS•R I IGN SUPER 1 <br />AGO FILE NAME DRAWER SHEET NO. DRAWN of GATE <br />e \bnbge\wsea\XS429 .. <br />GP <br />W <br />�3" min - <br />EXCAVATION <br />3" min - <br />L2' <br />EXCAVATI❑N <br />FILL HEIGHT GREATER THAN 2' <br />1' min 3" min <br />✓✓Y✓Y✓✓✓ll✓• �1 - OG�. <br />,,,,.,,,,,, F3„ <br />2' 2' <br />METHOD 3 <br />EXCAVATION <br />FILL HEIGHT 2' OR LESS <br />® Sand bedding ( Culvert ) <br />® Roadway structural section <br />Original ground <br />PROJECT ENGINEER DAIE� <br />nr_ r_n <br />Lgj <br />IN TRENCH <br />IW_i <br />IN EMBANKMENT <br />— 3" min _ <br />i <br />BACKFILL <br />min GP <br />r <br />BACKFILL <br />-- --3" min <br />...........* ..........,,,� v 3„ <br />METHOD 1 <br />BACKFILL <br />N <br />Mat <br />0 ., <br />_ <br />I <br />Cr 'aa <br />cc <br />IN <br />it <br />U'a <br />(P} <br />0 �N <br />b <br />U Iw o <br />a� <br />Y <br />_ 0 Q <br />�• <br />r-3 min <br />min <br />—� 3„ <br />iSeeNote3 <br />METHOD 2 <br />1. Slope or shore excavation sides as necessary. <br />2. Dimensions shown are minimum, <br />3. Method 2 and 3 for single or multiple boxes require an approved <br />external sealing band. See "Precast RCB Culvert, Reinforcement <br />and Design Tables" sheet. <br />4. Construction of Roadway Structural Section in Method 2 or Method 3 <br />shall not disturb the external sealing band installation. <br />STATE ❑F BRIDGE NO. <br />CALIFORNIA DIVISION OF STRUCTURES PRECAST RCB CULVERT <br />STRUCTURE DESIGN POST MILE <br />DEPARTMENT OF TRANSPORTATION EXCAVATI❑N AND BACKFILL DETAILS <br />COUNTY OF SAN JOAQUIN I D E T A I L S I VAN ALLEN ROAD MINOR STRUCTURE W688 REPLACEMENT sheet No. <br />ACROSS CENTRAL SAN JGAOUIN WATER CONSERVATION DISTRICT IRRIGATION CANAL 4 of 4 <br />