HomeMy WebLinkAboutCC ORD 1961-993 Amends § 8 of Ord. 803, subdivisions (Title 17)ORDINANCE NO.
002
AN ORDINANCE OF THE CITY OF NATIONAL CITY
AMENDING THE REQUIREMENTS FOR SURFACING OF STREETS
PURSUANT TO THE PROVISIONS OF ORDINANCE NO. 803
The City Council of the City of National City, California
does ordain as follows:
Section 1: That Paragraph (4) of Subsection (A)
of Section
8 of Ordinance No. 803 of the City of National City is hereby
amended to read as follows:
(4) SUBGRADING AND SURFACING: All streets within the
subdivision and the subdivider's half of all streets bounding the
subdivision shall be constructed with the following:
SUBGRADE MATERIAL SURFACING
EXPANSION FACTOR THICKNESS IN INCHES
PER CENT
Asphalt Concrete
Less More California Asphalt Plus Crusher -
Than Than Bearing Ratio Concrete run Base
.50 Above 50 2"
.50 Above 50 3"
1.00 50-30 4" or 2" & 5 1/2"
1.00 50-30 4" or 2" & 6"
1.50 30-20 4" or 2" & 6"
1.50 30-20 2" & 7"
2.00 20-10 2" & 7"
2.00 20-10 2" & 7 1/2"
2.00 5-10 2" & 8"
In the event the subgrade material has a California Bearing
Ratio of less than 5, the surfacing thickness shall be increased as
designed by the City Engineer and approved by the City Council.
The subgrade is the native material on which the specified
roadway material, base or surfacing is to be placed.
On all grades in excess of twelve per cent (120), there shall
be used a concrete pavement not less than six (6) inches in depth
and said concrete shall have a compressive strength of two thousand
five hundred (2500) pounds per square inch at the age of twenty-
eight (28) days.
The foregoing subgrading and surfacing requirements are
mandatory provided that any lesser requirement shall be permitted
only by resolution of the City Council after written report thereon
by the City Engineer and said report has been filed with said
Council,
PASSED AND ADOPTED by the City Council of the City of National
City, California, this r1 day of April, 1961, by the following
vote, to wit:
AYES: f l an Hart, ^, rza i, 1 .e. r
NOES:
ABSENT:
ATTEST:/
None
re
d.e.
CITY CLERK
I hereby approve the foregoing Ordinance this ;" `-, day of
April, 1961.
41/1*. 1)40,71,11
Mayor of the City of .rff�at i ona l
City, Californ a