HomeMy WebLinkAboutCalifornia, State of; 1952-08-14;9 ' IH'-Q-L^
FORM P 302 (7-i'80) • • . >.
PERMTT NO.-B.116 , VJ^_
DIST. CO. RTK. SEC.
XI SD 2 B
STATE OP CAUFORNIA
DEPARTMENT OF PUBLIC WORKS. DIVISION OF HIGHWAYS
UTILITIES ENCROACHMENT PERMIT
carlsbad Mutual Water Company
P. 0. Box !? ,
Carlsbad, California San Die^o , .California
ATTENTION:D.P. Johnston, Dated : August lh.., , 19 ^2
, Pennittee
1. Subject fim to tte a^lipsUe law, and second, to the terms and conditkais Relating to Utility Encroachments issued by
the Sute fA Calilsff||ia; Department of Public 'VTorks, IXvision of Highways, dated October 1, 1949, which by diis
ref erence is made af j^bweof, permission is hetd>y given to excavate over 4." water main in each
highway shSulder on easterly and westerly side of State Highway Road
XI-SD-2-B near BIngineer Station !|.7li-+50* connect to and extend main to •
easterly and westerly right of way line in accordance with your plan
attached and as further described and required herein.
Specifications for pavement repair are attached.
All work, backfill, oil surface, warning and safety devices shall
be satisfactory to State Highway Maintenance Superintendent, Harold
Byroads of Escondido.
The Carlsbad Itotual Water Company is exempt from bond, but in
i6aiwftirtiwwf3»idcyBMC«Mcm anubsk (continued on attached
2. This Permit has been issued by the IXvisioa Highways pursuant to:
Com- \ Oc ) Your Application of August 12 ^ 19 5^
^te J
Fnper \ ( ) Utility Notice No. of , 19
/ ( ) Agreement No.—: of , 19
sheet)
3. This Ftamit applies only to the work specificaUy aiuthorized above.
4. Inspection required by Division—Full ( ) Partial ( X)
5. This Permit shall be void imless the work hereinabove provided for shall have been completed before
November l5. 19-^ , unless time extension granted by separate Rider.
DISTRIBUTION: DBPARTMENT OF PUBLIC "WOUU
2 Wliite to Permittee Division of Hl^WayS
1 W\ax.t to Mtce. Superintendent
1 Pink to Headquarters—^Mtce.
1 Blue to Dist. Utility Engineer
1 Yellow to file
1 Green to.
Harold Byroada EsQondldo 1
InipMtor Phone uwr^ Per
(Copiei of tbe incorporated Termt imd ComdtUotis may be obtained ufo» request.) W. BEDTHEL
EST. 6627. 88195 6-82 lOM SKPT ® SI^O
accepting this permit agrees to properly safeguard traffic.
The State Highway Maintenance Superintendent shall be notified
before the pavement is cut»
No more pavement shall be cut than is positively necessary to
accomplish the work.
The job shall be done as quickly as possible to avoid unneces-
sary hazard to traffic.
Efford shall be made to avoid open trenches within the State
Highway at night.
Adequate barricades, flagmen and lights shall be used to protect
the public until the work is completed and the surface entirely
repaired.
Care shall be used to avoid interference with existing under-
ground facilities.
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XI 5D 2 B
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Excavations;
Excavations for all pipe lines, storm drains, culverts,
etc., may consist of open trenches, short tunnels, or long
tunnels, and each requires a different treatment.
Soils:
The material excavated usually is sand, loamy soil, granu-
lar soil, clay, rock, or variations of these materials.
Thoroughly Compacted:
Tho term "thoroughly compacted" shall be held to mean a
relative compaction of backfill equal to 95% of the compaction
obtained from the soil excavated when tho same is properly
dampened and compacted under a pressure of 2,000 pounds per
square inch under the methods employed by the Division of
Highv/ays.
Criterion for Backfill;
The required compaction in backfilling trenches which are
to bo placed shall in all cases be sufficient, in the backfill
material over and around the pipe or other structure, to render
It as compact as the original gromid and the method of compact-
ing will depend on the character of tho material excavated.
Materials for Backfill:
Granular materials, such as sand or sandy loara^ may often
be compacted by the use of water in tho proper quantity, but
even in materials of this kind the addition of tamping may be
desirable and beneficial.
Excavated material often consists of earth lumps of con-
siderable size which should be pulverized and suitably dampened
before being placed in the bottom of the excavation and around
pipes or othor structures. Rock particles or particles of
material too hard to bo melted by water shall be distributed
throughout the upper portion of tho backfill and the space
between them filled with fine material.
Backfilling: Open Trenches:
Select the best available excavated material for back-
filling around tho pipe or other structure. All material shall
be finely divided and if clods or lumps, which aro soluble in
wator are present, thoy should bo reduced by watering.
Backfill shall be carefully placed to a depth of twelve
(12) inches above tho bottom of the trench when it shall be
properiy wetted and then tariped by hand or other .means both
over n.id nlongnide t.be pipe until thoroughly compacted. The
backfill shali then proceed using four-inch (4") layers of
e^u^th or othar suitable inaterial which r.hall have been d.ampened
'.mtil it is of tho proper consistency to insure most effective
tarping by means of hand tampers or pneumatic rammers. It is
desirable that means bo taken to prevent damage to the coating
over pipes during backfill, and for this reason tamping adja-
cent to the pipes must be carefully done.
On completion of the trench backfill, the earth shall ba
crowned up over the top of the trench as high as possible and
after being properly dampened, shall be rolled with a 10-ton
roller or by the use of trucks w.hich hava been loaded to give
equal or greater compriCtion.
Flooding or Jetting;
The use of flooding will be permitted only v/here the
backfill material is of a sandy nature and contains no clay.
Jotting will be permitted only v/hon it is proved by test
that tha relative density obtained in all parts of ths com-
pacted backfill is more than \)Ofo,
Tunnels:
Where a sxiccession of short ti.mnols is used, the lov;er
portion of pillars betv/een the openings shall bo excavated
down at an angle of 45° to facilitate backfilling and backfill
shall be compacted by tamping or flooding as above described.
Vi;'.here pillars between short tunnels are loss than six feet
(G') in depth, they shall be broken through and used for
backfill. In the case of long tunnels, materials shall be
tamped in ovor tho tops of pipes as sections of pipe or con-
duit nre laid. Long tunnels shall only be used at depths
exceeding twenty foet (20').
R e pl .ac i ng ? ave ment;
Wherever it becomes necessary to cut pavement for the
installation of a pipe line, it shall bo replaced with an
eight inch (6") pavement r.nd the material immediately under
the odge of the broken pavement shall be excavated undercut-
ting tha odge of the pavement sufficiently so that the lower
portion of the new pavement will sxipport the edge of tho old
pavement.
If the pav-imont is Portland cement concrete, the entire
repair shall bo made of a Class "A" concrete of not loss than
six sacks of cement por cubic yard of concrete. If the pave-
ment is asphaltic concrete, the lower six and one-half inches
(O-T") of t.he repair p.avement sh.ell bo of Portland cement con-
crete and the top one and one-half inches (l|-") shall be
asphaltic concrete conforming to the type of pavement which
wris cut to make the excavation.