HomeMy WebLinkAbout6407-7DATE:
SCALE:
DRAWING NO.
DATE
APPROVED BY:CHECKED BY:
DESIGNED BY:
DRAWN BY:
GIA LAM KIM / CITY ENGINEER R.C.E. 62296
CITY OF FONTANA, CALIFORNIA
DATECITYENGR.DATEREVISION DESCRIPTIONREV.
SHOULD CONSTRUCTION OF THE REQUIRED IMPROVEMENTS NOT COMMENCE
WITHIN TWO YEARS OF THE DATE OF APPROVAL SHOWN HEREON AND CARRIED
FORTH IN A DILIGENT MANNER, THE CITY ENGINEER MAY REQUIRE REVISIONS TO
THE PLANS TO BRING THEM INTO CONFORMANCE WITH CONDITIONS AND
STANDARDS IN EFFECT.DATE:
PREPARED UNDER THE SUPERVISION OF:
STEVEN L. ELLIS EXP. 12-31-25
STORM DRAIN IMPROVEMENT PLANS
7
5/16/24
AS SHOWNJV
DLM
SE/LAF
BENCH MARK:BASIS OF BEARINGS:
THE BEARINGS SHOWN HEREON ARE BASED THE ON NORTH AMERICAN
DATUM OF 1983 (NAD-83), SHOWN IN TERMS OF THE CALIFORNIA
COORDINATE SYSTEM OF 1983 (CCS-83), ZONE V (2011.00 EPOCH DATE)
AS DERIVED BY POSITIONS PUBLISHED BY CSRC. ALL COORDINATE
VALUES WERE SCALED TO GROUND BY APPLYING AN AVERAGE
COMBINATION FACTOR AS DETERMINED BY FEI POINTS 11012, 11014,
11022, 11025, 11029, AND 11034 AND HOLDING THE COMPUTED GRID
COORDINATE ON POINT 11015. INVERSES BETWEEN PROJECT
COORDINATES WILL PRODUCE GROUND DISTANCES. TO OBTAIN GRID
DISTANCES MULTIPLY GROUND DISTANCES BY 0.999888867
THE CONTOURS AND ELEVATIONS SHOWN HEREON
ARE BASED ON THE FOLLOWING BENCH MARK:
BM NO.: EV9274 ELEV.: 1508.56' (NGS BENCH MARK)
DATUM: NAVD 88 1993 ADJ
6407
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