HomeMy WebLinkAboutCC Reso No 1927-170
RESOLUTION NO. ~ /7 ()
A. Resolution of the :BOl"rd of Trustees of the City
of Elsinore, Califo.rnia, a.dopting specific8tions l~o. 10 for tls gre.,ding
of streets, construction or Asph81 tic Willite Process Pavement, cemEnt
concrete curbs, cement concrete sidewalks, ELnd the construction ofeew-
era.
*****"'*"'*........."'*'"
The Board. of Tru.stees of the City of ~lsinore do re-
solve as follows:
The.t the following specifice,tions be known as Speci-
fications Ilfum.ber 10, for the grading orstreets,. construction of Asphaltic
~Villi te Process Fa,vement, cement concrete curbs, cement concrete sidewalk"
and fo r the constrlWtllon or sewers, ~llld the same be, and are hereby adopted.
10 GElOOtAL REQ.UIREMENTS
Sec. 1 PLANS
The detailed location of the work to be done, together with
gra,des, cross-sections B,nd special construction, is illustre,ted on the maps,
profiles, cross-sections and ph.ns ~],dopted therefor'by the :Board of Trustees,
and on file in the office of the City Engineer and Superintend.ent of streets.
These ma,ps, profiles and cross-sections are. to be consid.ered a pEtrt of these
specifications, and. any notEttions appearing thereon shall be considered as
though incorporated D,S a part of these specif'ic8,tions. All distances and
measurements given are in a horizontaIl. plane. Copies of the plans, profiles,
d. rawings and specifications shall be kept. u;pon the work~and access yher~t,o..+--
shall at all times 'be accorded to the City Engineer,~) St.~7 ""V-~''''''';''~;!V~
Sec. 2.
WORK TO :BE DONE
The work to 'be done und.er these specifications shall in'"
elude the fumishing by the Oontractor of all neoessary l:a'bor, appliances,
tools, ilnplements,molds, machinery and other e,uip.ent, and all materials required,
neeessa1'j" for or appurtenant to the eonstruct.101l and cOll!pletion of the wol'k as
set forth in the contraot, a%ld all necessary means and oonvenimoes for the
transf'er of thema teri-.l to the proper place in the work. All work shall,
during its progress, aild. on its cOrrq;lletion, conform to the lines, e_vations,
and grad.es shown on the map s, plans, profiles, and ero as-sections thereforo
...1..
Said work shall be done in a proper, thorough, and workmanlike manner,
and. to the satisfaction ot' the .8t ~'Iil'lI!!>L.~ JII~ Su.perintendent of Streets.
The wod shall be ca.rried on in such locations or portions as the Oity En...
gineer and Superintendent ot Streets may direct.
From the time the work is started it shall be prosecuted
diligently to com.plet.ion and the Oontractor is to employ sufficient. labor
and equipment to complete the work in the specified time.
Sec. 3.
EXtllIITNATION OF GROmm
:Bidders must examine and judge for themaelve1J as to the
loca.tion, extent, character, and nature o.f the proposed. work. lJ.1he Contract-
or is to assu.em all risks as to natural conditions, presence or absence
of water, and contingincies attending the work.
Sec. 4.
DEFniITION OF TERMS
Whenever the words '':Boardu or ":Board of Trusteesft are used
in these specif'icatic>D.s, they shall be understood to mean the :Board of
Trustees 01' the City of Elsinore, California, or the legislative b~ of
said ci ty-. Whenever the words tf]:ngineer" or nCity Engineer" and. Superin-
tendent of Streets" are used in these specifications, they shall be underw
stood taD mean the person holding the office of the Oi ty Engineer and Super-
intendent of Streets of Elsinore, California, either directly, or acting
through properly authorized. agents acting wi thin the scope of the particular
duties entru.sted to them. Whenever the word ttContracto 1!t is used in these
specification" it shall be understood to mean the person or persons, co....
partnership t or corporation, who entered into the contract to do the wolk
specified, or his or the:ir legal represeJ.'ltatives. Whenever the word "City"
is used in these specifications, it shall be understood to mean the City of
Elsinore, Oalifornia.
Sec. 6.
INTE1U?RETATION OF PL.A..NS
The plans for the work will show cond1 tions as they are
su;ppased or believed by the City Engineer to exist, ,but it is not intended
or to be inferred. that the conditions as shown thereon constitute a repre--
sentation b,y the City, or its offioer8, that such conditions are actually
existent, nor shall the City or a:ny- of its off'icers be liable for aJJ::f loss
sustained by the Contractors as a result ot ~ variance between conditions
as shown on the plans and the actual C oIlditions revealed during progress or'
the work or otherwise. The plans and, sPecifications are intended to require
and include all the labor ammaterials necessary and proper 1'0 l' the work
contemplated. I:n.....c.a.8e.~ pJ e"\S'~M.-.1'6ei~~1ti1MHl ~JU w-M
c. ...._ia. ~MMl'I'"~~l"H1'He-~ ~~~-.as.._~~
d
.1
No
~ ~ ~_~~~. ~.~ ~......,0'U.0'~.
...2-
~thing mentioned in the sp eeifi ca tions and not shown on the
plans, or vice versa. slla.ll be done as though shown and mEntioned in both.
~~~Jj~ n.w.w'!___~~~ ~,e~~S
~ed..
t
P'.B.OTECT~~_~~ TREES AND PAil.EWAYJI
e Oontractor, slla. , at his own e~_se, preserve an protect
from inj all trees, parkw~s flowers. shru.bbery,- d lawns and all fences,
curbs, s, sidewalks. we. Is, ma.nholes, and any all impro em81ts of
whatso ture. If so direc the CiV Engin 1', he shall pr t
arfJ' and a ovements, including rees and other egetable g'roVlth, in ..f.l.
manner s ti 17 to the Oity ineer. If a:qys i rovements are n...
jured, damag or destroyed, th and fmY other property jured, de.. ed
or destroyed the Contractor his employees, or agEn ts shall be retored
by and at th ense of the Con l' tor to the conditio existing befa mall
injury, danag or destruction. ere, however, the 1'1 S !ilond speeificati s
provide for e removal, destruc ion or alteration of tli'&-~mprovem€ll ts, s h
removal. des tion or al terati~n' 1 not be deemed in nfl iot w;tth i B
section. so directed by the erintendent of Parks the Oontracto
shall cove 'the trunks of trees w' burlap or drive st es around then i
a manner sat sfacto:z:y to the sai Superintendent. No. t shall be cut 0
removed wi the consent in w . ~i- . of the SUperintend t of Parks. ex....?.
cept that e on.tra..ctor mall rem 0 . trees where requir by the plans or
where the pr completion of the work requires their re al, wi thoUt se-;.
curing from t "luperintendent of ar s such consent in wing.
See.. O.
See.. .,.
SETTING .AND PRESERVATION OF STAKES .rum lfIONUtvIENTS
The Oontractor shall give twenty-four (24) hours notice in
writing when he mall require the services of 'the City Engineer for laying
out a:ny portion of the WODe, and shall djg all holes necessary for line and
grade stakes. 'Dna Contractor is reQuired to preserve all monw:nents and. all
stakes set for lines. elevations or measurements for work in their proper
places until authoriZed to remove them by the City Engineer, and a:qy expEnse
in replacing said monw:nen t8 or stakes, whieh the Contractor or his subordin-
at,es mq have failed to preserve shall be borne by 1h e Contractor.
Sec. 8.
orders 0
over the
h~oyees.
Sec. 9. RE~..".' .. IBILITY I!'OI!. I>,A:MA
The 01 t,y vt .. not in any ma er be
loss or damage that . all or may hap to the said work,
respectively. 01'.4.'01' any part of the terials or other
employed in finShing and completing th said v.o rk; or for
to person. or persos, eithe.rworlan.an or the pu'bllio, or for d
ad ining property or e' sting improvements f'r. m 8fnY' Cause whichmi t have
'bleem 6\tented"by th'e Con. acto.r, or his wor en or 'bly arv oue emp oyed by
him; ainst all of whieh i 'uries or damage to persons or proper the
Oontrtor liaving c ontrolversuch Wtl rk U1l.4S properly gp.a.rd.. am st make
good all d.e..mag.es fro:tQ.'W'haverca'llset bei~ s'ctly responsible f the
sam And said. Ooutracto shall 'ble responsible l' alVdamage to a person
or p operty resulting from efects or o'blstructions, during the progre s of
the _HClr at allY t:ime 'ble re its completion and . nal acceptance he
shall lndemni y and Save ha s.' the Cit,yam all 't8 officers mad lQW''''
ees from fill,. suits or a.ctions: every na..aud. de~riptiou, brought or
or .on ace t of ~ injUJ;"lee r danages receive.d l' sustained by an persOIl
or perso by or Crom 'a.~d. Co ractor, his sarvans or agents, in t cons...
truction f said work, or by: or in c ansequenoe 0 arJ\{ negligence irj guard...
ing the same, in i.mproper t.eri.als used in the onstruction, or b;1 or on
account ot a act or omision of the said ContIl-ctor or his agentd. and. so
mu.ch o:r th .money due the tractor under and . irtue of his Con: ct as
shall be ap.sidered necessaxy 'e City, may be etained by the Oity til
such ts or claims for d.am8.ges aforesaid sha have 'bleen settled, nd
evideno to tha. t effect furnished th e sat i sfactio of the City. Wher
there are f:ferent oontractors loyed on the work, ach shall be res onsa
ible to t other for all daJIlage to work, to p.erson l' property, or f r loss
caused b n$lect, o.-y failurct t finish the work at e proper time, iUS
p. revent i .~.'. eh porti.on Of.. th. e being fi.niShed.'. blY'~he several. O.ont actors
at the date named. for completion, r from any other cau e. And fo l' my loss
to the Con. ractor "by f ire or eart quake, or 'bly unf'o rsee o'blstru.ctions, he
Oity, its :ricers and employees ill not under any ci umstances be an! er--
able or accountable. . I
Sec. 10.
OBSTRUCTING TRAVEL
The Contractor will be expected to execute the wo rk in S1 ch
manner as to interrupt as little as possible the public use of ~e streeto
The street and street orossi,c~. sh,all be~.intained in a reasonably good con-
di tion, and kept smooth and free from mud and au. st. Proper drainage must be
maintained at all times.
Drivewau entrances must be kept passa'blle as long as Pl3i~ft\le.
'!"4...
----
Trenches 0 l' excavat ions mu.st be bn dged at dr1 veway entrances and street
crossingso
Plank cross wa.lks for pedestrians shall be maintained at
street crossings. Such plank cross walks shall be constructed two (2) feet
wide of two (2) inch planking, nailed and staked so as to be safe, substan....
t lal and so11do
Such portions 0 f the street the. tit may be necessary to
close to traffic may be so closed by obtaining permission from the super.....
intendent of Streets and the erecting of proper barriers, bearing the sign
"Street Closed to Traffic" ....................... t1SUperintendent of streets",
in such a way as to indicate plainly the portion of such street 90 closed.
Also warning signs shall be placed at the intersection of a113' cross street
wi th the nearest parallel street when "\he intersection of any cross street
is closed to travel.
The Contractor shall be held responsible fo l' all practicable
and legal notices and signals to the publio of the state of the street while
work is in progress. It Efhall also be his duty to erept and keep erected a
fanpe or proper barrier along the line of wo rk where necessary for publiC
safety both by day and night.
Red ligl'lts rtru.st be maintained at night from sunset to su:tiri. se
at all street intersections and along the course of the WDr'k at Qi stances not
greater than fifty (ISO) feet apart and at suoh other points to adequately
proteot the public from danger. In order to further proteot the public, or
to protect the work, the Contractor smll employ a wata:htne.n whenever the same
may be needed.
~ material, excavated or otherwise, whioh is not going to
be again incorporated in the work, shall not be stored or piled upon the
street or adjacent to the work but shall be immediately removed from the si. te
of the work.
Sea. 11
REMOVAL OF O:BSTRtJCTIOl~S
Where "the canpletion of the vork requires their removal, the
Contractor shall remove all stone, debris, or other obstructions of whatsoever
kind or charac'ter, either natural or e.rtificial, encountered in making '\h e i!lliO>
provement.
Sec. 12
PROPERTY RIGHTS IN li'1ATEHIALS
Nothing in the p:1.ans, sPeQifications or <Xl ntract shall be
aonstruedas vesting in the Contractor GXW rc;t.e;ht 0' property or ownership
in the materials used a.:f'ter they have been attached or affixed to the work
or the soil; but all such materials shall, upon being so attached or affixed,
"
...&-
become the property of' the 01 ty of Elsinore.
Sec. 13.
DEFECTIVE MA.TERIALS AND V\O BI:
The Oontractor shall 'bear all responsibilit;:r for the we rle
until final acceptance. The inspection of the 'Work shall not relieve
the Contractor of a1:r3' of his obligations to oomply with the plans or
~ecifio(;l;tions, and deteCtiv'e 'Wo1"k shall bema.de good by him. Neither
'/ will the presence of the City Engineer relieve the Contractor from the
/ responsibility of'defeotive work prior to 1A~ ~~E~It~a~~!'~rYM-J'J~~---
materials mq be rejected by the Qi ty EngineerN1o'f;wl~hsta:rtding that such
defective work and materials have previously been overlooked ~-~ eu;,
~i~__ am all rejected materials mtlst be immediately removed from tre
work by the Contractor and shall not again be brought upon the VJO rk. If
the work, or eJJ.y' part thereof', shall be found defeotive at ,15;'tr$'time before
the rinal acoex>tance of' the,whole work, the Oontra.c1;or shall f'orth.i~ ...."
make good s1IllCh defect in a manner sat1sf'a.ctor,y to tl\oe ~~e~.<-' r~d
Sec. 14.
INC01tJ?ETENT vtORKMEN
The Contractor shall at all tmes employe. S1llltfioient nwnber
of '00 nonen am provide sutficien t and proper material, Btl,Pplies and
equipment to inSttre the eotnp'letion of the work within the time specified
in the Contract. k:ny tmperintendent, foreman, laborer, or other person
r -1"
en;ployed on the wo rk by the Oontractorwho shall appear to the ut"eer5! 0 <;
to fail o.r refuse to perfO~l~~;wOff; in the manner specified herein, or
who in the opinion of the'. . ~s' il'lConr.petent or aots in a dis...
orderlr or im;proper manner shall be di sCharged inunediately and su,ch per-
son shall not again be employed on the work.
See. 15.
INSPECT! ON
Sf;.$ u ,'tThework shall be done under the direotion and supervision of
the ,Qt~~ '~l~r. The Contraotor shall prosecute work only in the presence
of' an Engineer or Inspector appointed by the City Engineer, and any work
done in the absence of said Engineer or Ins,p ector will be subj ect to re---
jection. The Oity Engineer shall inspect the 'WOrk from time to time and
as otten as he shall deem necessary and shall have free access to an:y- and
all pa~~ 188 ~ ~~t a~ time. The Contractor shall fUrnish the Ci ty
Engineerjwvery r~eis6~ble :tacHi ty for obtaining such inf orlXlation as m~
be necessary to give him fUll inforllfittion at all times respecting the
progress and manner of tile work and the character of the materials. All
work done and all material$ fu,r.nished shall be subject to the inspection
a.nd approval of the City lhlgineer. The Contract.or shall make a written
application for an Inspector at: least t\venty-f'o\U' (24) hours before his
services are required. ~sv:'1 A1vd Clt~1 f,v9,",v'(/e-r
The Contractor shall notify the ~1\j--XtSl~~' when-he ddsires
a final inspection of the work. 'l'he City Engineer will, as soon there---
-6..
pleted, duri~ the ten bo) days arter the filing of this notioe with the
~~iMer, the City or ana- owner of a public u.tility shall have the
right to enter upon the street for the purpose of laying or relaying pipes,
conduits and appu~enances.
Sec. 20
PIiOTECTIOI-r OF WOBX .UTD C LE.tUrUTG UP
The Contractor shall care for all work i.Ultil final completion
and acceptance. During construction the Oontractor shall keep the job free
and clean of all rubbish and debris. He shall remove all sUTplus material
and rubbish from the work after its completion, and. before he makes application
for the aoceptance of the work.
See.. 21
PAT-EmITS OR ROYALTIES
l.vhe Oontractor shall pay at his own expense all royal ties
due for material or appurtenances or any patent rights used in 'lire construct...
ion of the work, and the Oontractor shall save the Oi ty harmless in case of
any use or infringement of patent or patented device used in or about the work
and pay all _ damages resulting by reason of any such use or infringement.
Sec. 22
II Materials
Y.ATERIALS AND SAlJiI'LES
All materials must be of specified quality and. quantity and
fully equal to samples, when samples are required or requested by the Oi ty
Engineer; and the: Contractor shall fu.rnish. to the Oi ty Engineer for test, when-
ever requested, and free of charge, samples of all materials proposed to be
u.s:ed in the worko
Sec. 23.
PORTLAND C ElvErT
The cement shall be one of the standard and accepted brands cf
Portland cement that shall meet the standard speoifications and tests for Port...
land cement fo r the American Society 1'0 r Testing lvlateria1s, serial designation
09...21, efreetive January 1, 1921. It shall be received on the work in sacks
filled at th e cement facto IY with the :name of the manufacturer plainly m rked
thereon& Each sack shall contain not less than 94 pOi.Ulds net of cement, said
sack of cement shall be deemed to have a volume of one (1) cubic foot.
No cement shall be used in aD({ work covered by these specifi-
c8,t10ns 1.ll1til a certification of test, made by th e manufacturer or ro me reliable
and reputable testing laboratory has bem. filed in the office of the Oi ty En-
gineer and Superintendent ot Streets, Said certification of test shall show
the detailed and complete results of the test or tests which is covered by said
cert ifica tiono
constmction
I J..~-
"."' ~.. J
<;1_.) d' ';.) I
The ~ E!~ .fl1!er shall have the authority to require the
of work in which cement has been used which subsequent tests
re-
show
....e-
to be not in conformity with requirements or specif ications. All cement,
the samples 0 f which do not pass th e sp ecifica tions, and all cement which
may have become damaged by exposure to moisture, or othe~vise injured, shall
be immedie,tely and perrranently removed from the work.
Sec. 24
SAND AND B' mE AGGIlliGATES
Sand shall consist of n~terial of siliceous, granitic or
igneous origin, hard, durable and free from oil, dust, dirt and organic
matter and for the various uses specified herein shall meet the following
additional requirements:
(a) Concrete sand. Sand for all concrete vrork shall not
contain more than 5$ by weight of mica. The sand shall not lose more than
five (5) per cent by weight when subjected to the test for silt or clay
specified in paragrapg (e) hereof.
Not less than ninety (90) per cent by weigh t shall pass a
one-quarter (1/4) inch screen; at least fifty (50) per cent, but not mere
than eighty-five (86) per cent by weight, shall be retained on a thirty
(30) mesh screen, and not more than five (5) per cent shall pass a one
hundred (100) mesh screen.
(b) Sand for Class B Mortar shall conform to the require-
ments for concrete sand given above except that it shall not contain more
than four (4) per cent weight, of silt or clay, and mu.st pass a one-quarter
(1/4) inch mesh screen.
(c) Sand for Class A Mortar shall be the same as for
Class B 'Mortar except that all must pass an eight (8) mesh screen.
(d) Cushion Send. Send for cushion under cement work
on adobe and other ~elling soil shall not contain more than fifteen (15)
per cent by weight of silt or clay, and shall pass a one-half (13-) inch
screen.
(e) Testing Sand for silt or clay shall be done in 'the.
following manner:
One (l) kilogram of dry sand shall be weighed and placed
in a sixteen (16) inch standard gold pan, covered nearly to the rim with
water, stirred and agitated gently but thoroughly wi th the hand and al-
lowed to settle thirty (50) seconds. The water shall then be poured uniw
formly in fifteen (15) seconds. This washing process shall be repeated
until, immediately after stirring, standard six (6) point newsprint may
be easily read through five (5) centimeters of water. The water shall than
be drained off, the sand dried and weighed, and the loss determined by the
difference in weight.
-9-
Sec. 25.
ROOK
The rock to be used shall be sound, clean, hard am
durable crushed. boulders or quarry rock, free from all foreign matter and
shall not contain soft, flat or elongated particles. It shall be crusher
run with all dust screened ou.t, shall contain not more than five (5) per
cent by weight of pieces re..:ting rounded surfaces, and fo r the various uses
specified herein shall meet the following add.i tional requirements:
(a) Rock for Concrete
For Class 11. Concrete, shall consist of twenty,..f;lve (2)6$
per cent by measure of rock: which shall .13,11 pass a three (3) inch screen and
be retained upon a one and one half (L ~ 1/2) inch sc reen, twenty-five (25)
per cent by measure of rock which shall all pass a two (2) inch screen and
be retained upon a one (1) inch screen, and fifty (50) per cent by measure
of rock which shall all pass a one (1) inCh screen and be retained upon a
one-quarter (1/4) inch screen. Said rock shall show a co~efficient of wear
not less than seven (7) when tested as specified in (b) hereof'.
For Class 13 Concrete, shall consist of rock which shall
all pass a one (I) inch screen and be retained upon a onewquarter (1/4)
inch screen. Said rock shall show a co-efficient of wear of not less than
seven (7) when tested as spec ifi ed in paragraph (b) hereof.
For Class C Concrete, shall consist of screened gre.vel
or crushed rock which shall all pass a one (1) inch screen and be retained
upon a one-quarter (1/4) inoh screen.
(0) Jiiattler Test: 4-t least thirty (30) pounds of the
material to be tested of' such size as Will pass a two and one-half (2 & 1/2)
inch ring and be retained on a two (2) inch ring, shall be available, and a
test shall consist of' not less than forty-nine (49) nor more than fifty-one
(51) pieces.
The total weight of th e tes t saIl'!Ple shall be wi thin ten
(10) grams of five (D) kilogranlS (eleven (11) pounds). All test pieces
shall be washed. and thoroughly dried before weighing. Ten thousand
(10.000) revolutions in the Deval Abrasion machine at the rate of between thirty
(30) and thirty-three (33) revolutions to the minute shall constitute a test.
Only the percentage of ~terial worn off which will pass through a sixteen
ona-hundredths (0.16) centimeter (1/16' mesh sieve shall be considered in
determining the amount of wear.
The coefficient used. shall be the French co-efficient of
wear which equals forty (40) divided by the percentage of wear.
Sec. 26.
MORT.AR
Classes of mortar shall be proportioned as follows:
-10-
Class
Cement
Sacks
Sand
Cu.. Ft.
Uses
A
B
1
1
It
2.
Finish mortar and plaster
Pipe joints, brick work, etc.
. 'lfu-------
f. 5 /.I . .
Vvhere required by the ~~iI:\~ mortar shall have sufficient
non8injurious coloring matter added and '~less otherwise specified it shall
consist of 1/4 pound of' lamp black to each sack of cement used.
JlIixingo 1Uxing shall be done in a concrete mixer in the
manner specified for conorete or in a water tight mixitg boX. Where mixing
is done with a concrete mixer the materials shall be measured by a method
which will insure accurate proportioning of the materials used in the mortar
and shall be done in a manner satisfactor.r to the engineer.
Where mixing box is used th e required amount of' sand ao-
curately measured for each batoh of mortar shall be placed in the box and
1 evelled off. The requi si 'be number of Sacks of' c emen t shall then be !:Sodded
and if coloringms.tter is used it shall be added at the same tiLme as the
oement. The material shall then 'be dry mix.ed until the entire masS is uni-
form in color. It shall be tl.:lrned at least three times with the mortar hoe.
Sufficient water shall then be added and mixing continued until the batch
is uniform in color and consistency.
All mortar must be used wi thin one hou.r after mixing.
Sec. 27.
C01WRETE
Olasses of concrete shall be proportioned as follows:
Class Cement Sand Rock Water Lbs.
Sacks Cu. Ft. Cu. Ft. Maximum.
A I ~ .3 1: sS
h 'J ~ ff
c ihould all ~he voids ih the concrete not be co~letely
filled with the mortar the deficiency shall be remedied by reduoing the
portion of' roek used in the mixture and not by adding a greater portiQn of
send..
~e amount of water specified includes water already in
the conerete matedals and. in measuring water allowance shall be made for
water contained in said naterials.
A test for slump shall be made as follows:
...11-
A frustum of metal cone four (4) inches in diameter at the toP.
eight (a) inches in diameter at. the bottom, and tV/el ve (12) inches in height
shall be filled wi th concrete which shall be worked with a. metal rod until
all voids are filled and a slight film of mortar appears on the surface.
The frastum of metal cone shall then be immediately' removed and the vertical
settlement or slunp of the concrete measured. The slturlp shall not e.x:ce.ed
two (2) inches vertical.
Storing of ~terialsll All materials for concrete shall be placed
or stored only upon a hard smooth surface which will protect the material
from dirt or other del eterious matter. Sand and rock shall be kept in saps,...
rate piles.
lVleasuring of Materj,a.ls.:Measuri~ of materials shall be by a
method which will insure accurate ProportioniJ:lg' of the naterials used in
the concrete and shall be done in a manner satisfactory to the Eng-ineer.
Machine :Mixi~ shall be done with batch mixers only and only
such quantity- of materials shall be placed in the mixer as is within the
capacUty of the mixer without spilling. Cement in sacks shall be dumped
directly into the mixer or upon other material previously measured upon a
hoist pIa trom and no splitting of sacks of cement will be allowed.
Sufficient water not in excess of the quantity above speci...
fied s~ll be added to produce a plastie concrete which can be handled
wi thout causing a sepa.ration of the coarse aggregate trom the mortar and
which will c ontorm to the abo ve mentioned sl tIIlI.P test...
Remixi~ Concrete/ No concrete shall be used which has par-
tially set a.nd no concrete shall be retempered or remixed.
En'lPty Se.cks. En'lPty cement sacks shall be neatly tied into
bundles of fif~ (50) sacks each as the work. proceeds.
Sec. Ea.
:BRIOK
(a) OOnun.on :Brick. OOlmton :BriCk, unless otherwise indicated
on the plans. shall contorm to the followizg:
They shall be whole. sound, hard burned cl~ with straight
edges and must give a cl ear ringing sound when struck together. They mall
be uniform in quality, and mall be culJsd or sorted before delivery on the
worko
They shall lave rectangular surfaces and shall not be less than
eigh.t lmd one-eighth (a l/a) .inches. nor more than eight and thre6!Pq;uarters
(a 5/4) inches in lenkth. not less than thelle and five.eighth~ (3 5/8)
inches, nor more than three and seven eighths (3 7/a) lnches ln width, and
not 1 ess than two and one qu.arter '2 1/4) inches nor more than two and
three eighths '2 3/a) inches in thickness.
-12-
All brick shall be subj ect to the following test made by
the Engineer on brick sanq;>led. at the brick yard or on the j.ob, as he
may elect:
Three or more bricks seleeted. at random from a given lot
shall be broken aeross, and the separate pieces placed on edge, faced
top and. bottom wi th Plaster of Pari s and c rushed. The crushing strengt h
shall not be less than fifteen hundred. (1500) pounds per square inch.
Failing to saitsfy the test, the briok from which the samples for the
test were seleoted, shall be rej ected.
See. 29.
CASTINGS
All castings for manhole heads, covers, and other purposes
must be of tough gr~ iron, free from craoks, holes, swells and cold
shuts, and be of workmar.l.like finish, and mu.st c onfo nn to the plans.
The quality shall be such that a blow from a hammer will
produce an indentation on a rectangular edge of the casting without,
flaking the metal.
:Befo re lea.virg the foundry all castings mall be thoroughly
cleaned and subjected toinspeetion, after which they shall be dipped
twice in a preparation of asphalt, or eoal tar and oil applied at a
temperature of not less than two hundred and ni11ety (290) degrees
'Fahrenheit, nor greater than ~eEfhUJ:ui~ed (300) am ten (10) degrees
~ahrenheit, in mch a manner alii to form a firm a.nct tenacious coating.
All manhole covers whiCh do not fit the frame will be rejected.
See. 30.
eO~JCEETE SEWER PIPE
Q'U.f\.lityo All conerete pipe shall be of fi rst quality, dense.
tough and free from cracks or other imperfections which would be cause
for rejection as hereinafter specified. All pipe mast give a metallic
ring when stru.ck with a hammer, and its interior surface rau.st be smooth.
Pipe when broken shall appear homogenO'U.s, and generally uni-
form; and if containing stone. shall show pieces of fractured stone
firmly embedded. in the mortar.
(2) Si~e am. Shape. All pipes shall be socket pipes, v.i th
sockets true, circular and concentric with the bore of the pipe. All
sockets 1mlst be of sufficient diameter to receive to the full depth
the spigot end of the nex.t following pipe or specia.l, and also to save
an anrmlar spa.ce, as specified. in the following table.
(3) Iv'fs,te:r;ia:l..s. All pipe shall be made of Portlani cement:
cOnf'orming to the latest sp eci.fica.tions adopted by the American Socl ety
for Testing :Materials, end aggregate. The aggregate shall be composed of
sa.hd. or of sand and gravel, or of sand and broken stone. All santlL must
be clean, sharp, free from oil, coal tar and organic matter, and must
not contain more thsn five (5) per cent by weight, of clay and silt.
-13-
All gravel Shall consist ot clean water worn pebbles,
cru.shed boulders or both, or broken stone and shall be free from loam,
cl~ or organic nntter. The size of the gravel or broken stone when used
must not be greater tha.n One-half the thiclrness ot the shell of the pipe.
The pipe shall be rnade of a mixture which shall be by meas...
ure not less than one part of cement to three parts combined dry aggregate,
and the aggregate mall be so graded as to produce a pipe which will comply
with the tests herein specified. All concrete shall be mixed not less than
70 seconds.
No bydrated lime, alum and soap, asphaltum, oil, or other
waterproofing compound, or al'\Y" materials other than cement, sand, stone and
water, will be permitted in manufacturing the pipe nor shall any coating of
cement wash be added to the inside surface.
(4) 1ilethod of' !\Ifaki~. The materials as above shall be
thoroughly mixed in a batch machine mixer and shall be machine moulded rod
machine compaoted.
(5) O"Uri~. All pipe shall be kept tJloroughly wet for a per....
iod of seven dayso
(5) }.dentification :Marks. Each pipe ::hall lave clearly
indented or stencilled on its outer surface the name of its n~nufacturer,
and the looationfof the factoxy. In place of the name of the manufacturer
ani the location of the factory, So trade mark may be subst1i.tuted of a size
./ and typw which shall be approved by the Oity Engineer.
(7) Leng,t:Q.fh The: lengths of all sizes of strs,ight pipe.
exclusive of sookets,shall be two and one halt (2 1/2) feet, excepting
for the pi~e of six (6) inch diameter. which shall be two (2) feet and one
half (2 1/2).
(Dimensions. The thickness of the shell, the depth of the
socket, and. the annular space shall have the dimensions &;1 ven in the fal...
lowing table:
-14-
TABLE OF DllfiENSIOHS B'OR C01:JCR'a;'PE SEVrER PIPE
Size
Column 1
Thickness
of Shell
Column 2
Depth
of Socket
Column 3
Minim:u.m
Annular Spaoe
Column 4
6"
8"
10"
12"
15"
lS"
21ft
24"
27"
30"
3/4"
7/8"
1"
1 l/S"
1 '/J/S"
1 1/2"
1 3/4"
2 l/S"
2 1/4"
2 1/2"
2"
2 1/4.'
2 1/2"
2 1/2"
2 1/2"
2 3/4tt
2 '/J/4"
3"
3"
'On
3/8"
'/J/S"
3/8"
1/2"
1/2"
1/2"
5/StI
6/a"
5/6"
5/8"
The annular space referred to in column 4 of the above
table is the spaee between the circumferenoe of the upper inside diaIJ:l!wo
eter of the socket and the outside of the spigot of the adjoining pipe
placed in said socket, th.e annular space given in said column 4 being
the minimum annular space allowable exeeptil'lg fo r the variation gi van in
Paragraph 9 hereof.
(9) Permissiple Variations. The permissible variations
from the dimensions gi.ven in the above table shall be as stated in the
folloVling tabl e,
-Is.-
TABLE OF PERMISSIBLE VAt"1IATIOlJS IN DnOOJSIONS
FOli CONQBETE SE1J'lER PIPE
Limits of Permissible Jariation in
Inside
1J 0 rmal Length Depth Thickness Dismeter
siz.e Inches per Socket ot Shell ot Bo re
Inches Foot Inches Inches Inches
(-) (....) (...) (.... )
) 1 Column 2 Column :; Col'lmlIl 4 Column. 5
Column
6" 1/2" 1/4" 1/16" 3/16n
8" 1/2" 1/4" 1/).6" 1/4,t1
lOt.' 1/2tt 1/4" 1/16" 1/4n
12" 1/2" 1/4" 1/16" 114ft
15" 112ft 1/4't 1/8" 1/4"
18" 1/2" 1/4" liS" 3/stt
21" 5/s" 1/4" l/en 7/16"
24tt 5/e tt 1/4" liS" 1/2tt
27" 5/8ft 1/4~t Ilsn 1/2"
30" 5/a" 114ft 1/8" 112ft
. Footnote: The minus sign (...) indicates that the plus varia tion is
not limi tedo
(lC) I~ertectioIls. The following i~ertections in a
pipe or sp ecial will "be considered injurious and cause for reJ ection.
(a) When the bore or socket ot the pipe varies from a
true oircle more than three (3) per cent of its nominal diameter.
(b) A pipe ot special designed. to be straight, exhi bi t...
ing a deviation trom a stra.ight line of' more than three eights (3/a)
of' an inch.
(c) A single crack in the body of the pipe extending
through the entire thickness, regardless of the length of atch crack.
(d) A single crack which extends through one--halt' 1h e
thiokness and over three inches in length.
(e) Two or more cracks in the bo~ of the pipe of a less
length than three inches, and extending through one-half the thickness.
(f) A.rl3 orack which is more than one-sixteenth of an
inch wide at its widest point.
...16..
.....
(g) A pieoe broken from the spigot and deeper than the
socket or longer than one-third of the diameter of the pipe; or a pieoe
broken from the bell if' thla fraoture extends into the bod,y of the pipe,
or is longer than onewthird of th e diameter of the pipe.
(h) Two or more breaks in the socket or spigot, unless
they can be plaoed in the upper half of the sewer.
111. Grading, Paving, O'Urb$, and Sidewalks.
Seo. 31. GRADING.
Grading shall inol ude the: rem:>val of.' all earth, ato ne, or
other material of alV nature tha. t ~ be eroountered in preparation !or
the improvements to be rrade and ma.ll include aha all filling, trimming,
rolling, or other .v.o:tic tha.t ~ be neoessary in bringing the mrface to
the req'Uired wbgrade.
When mud or other soft or spongy material below S'Ubgrade is
enoountered, it shall be taken out and the space refilled with good earth
or gravel whioh shall be plaoed in layers and rolled with a self propeller
roller weighing not less than twelve (12) tons until the surfaoe ceases to
mOVe or creep under the roller. In such oases, however, soft or spongy
material will not require to be exoavated to a greater depth than two (2)
feet below subgrade.
Wh~never any area is- too wet to permit of' thorough rolli~
or with oOl'ltinued rolling the materia.l moves w creeps under the roller,
the area shall 'be thoro1..lghly soarifted e.nd the Oontractor shall waf t until
the materia.l ha.s dried sufficiently to allow rOlling without movema:tt or
creeping of the material.
All mea.surenants of earthwork, either in excava.tion or en;...
ba.nkmemct, shall be made by th e method of averaged end areas, without oar-
reotion for ourvature; these measuremEnts shall be computations based
upon requirements as indicated by profiles and cross sections, and ex...
cavations or embanlanm ts in excess of cross seotion ~equirements shown on
the plans and co ras-sections will not be paid for.
The spaoe over whioh fills are to be made shall first be
cleared. of all brush, timber, trash or debris. All filling shall 'be done
with good sOtmd earth, sand or gravel and all clods and hard l'Uln.Ps of earth
la.rger than four (4) inohes in greatest thickness shall be broken up before
being pl""ed in embsnlrnlents. <7f.$ V of.
Fills shall be settled and compacted as the ~ may di-
rect either by rolli~ or by flOOding.
For Rolli~, the n~terial shall be placed in layers not exce~
-17...
,
.~~
ing one (1) foot in depth before rolling. Each lager, after being levelled
af'f, shall be tJ:1aroughly d~ened, and while still moist throughout sha,ll
be rolled with a power 1'0.11 e1' weighing not less tha.:n tw'elve (12) tons until
hard am ~ielding. A.rrv part. of a fill thai eanp.ot be reached vii th a power
roller and rolled as required a1love shal.l be plaoed in layers not exceeding
four (4) inohes in thiokness, da.m.pened. and then com,pacted with heaVy iron
t~ers.
For J!loodi~. the fill shall be brought up in l~ers not<:ts. r.
exceedirc four (4) feet in depth, unless othervris& permitted by the ~!h~ J V?
and each layer shall be thoroughly flooded with water and barred.
Whenevertheg-~8~onSiders it necessary tbe Entire area
or portions designated by h1m shall be thoroughly flood.ed , De.rred, and pud...
dIed-until he is satisfiEd that all poss:i.ble settlement has taken place.
No embankments shall be widened by dumping loose material
over the slopes. When an embanlmn-Emt is to be widened, the new material
shall "be bonded to the old by cutting steps into the exis ting slope and 'by
"bringing up the layers as sp eoitied above.
When rough gradi!\g has been ComplEfced the Con tractor shall
immediately smooth, lavel, wet a11'0. roll the entire area, using a roller
weighing not lesS' than twleve (12) tons, bringi ng the surface to approximate
grade and corss-seo'hion. Excavating or filling operations shall not "be car-
ried on more than 600 feet in advance of the co~letion of said smoothing, -r;:f"
levelling, wetting,. a.nd ;ro,lling operations without the approval of the ~f .'
_<1". Vihere curbs, gu.tters or sti.ewal1cs are to be installed a repetition of
th e above mentioned SnlOO 1ihinc , leveling, wetting and rOlling op era tions will
be required immediateq preceding the installation of s,PCh clrbs, gutters and
sidewalks, if considered necessary "by the ~iR._r.:;f':, S r
Proper drail'lS'.g$ shall be maintained at all times during grad...
:Lng opera.tions.
Excavated material mot required for fills shall be removed
from the street as soon as excavated. All material rEmoved to facilitate
constru.ction shall 'be replaced to grad.eo
Sec. 32.
SUJ3GRADE
Withtbe completion of the rough grading, the surface
shall be bro'l.1.gh t to 'the required grade and co rss...section fo l' final consoli...
dation and sh.ap.i!\g and the StL'bgrade prepared as follows.
Fo.r ?avement.~ After a "bloQk or section has been trough
graded to the approximategl'ade and corsspseetion, the rea dway shall be
thoroug~y wetted. atl,d cuI tivated to a depth of not less than twelve (12)
inches. During the cultivation, water shall be uniformly ap;lied until ine
moisture has penetrated to the entire depth of the (U 1 t ivation,;
...18,-
The roadwaw sheJ.l l;>e thoroughly rolled witha power roller '
weighing not lesa th.an tMtiJlve h2} tons 'Until 'the su.rf'ace ceases to move or
creep under the roller. The roadway shall thElill, be cultivated and. all d.epress'"
ions filled with goocl ear"bh. r:tr:he roadway shall lhen be cultivated to a depth
of at least six (o) iJ;j.ches and water sppliecl during cultivation until a uni....
fo I'm ciampnes s or six (0) inahe s is secured.
~Ehe roadway shall then be graded and maped and. thoroughly rolled
wi th a power roller weighltalg not less than twelve (l2) tons until the S'lrface
is firm. and. ~ieldi:ng and eeases to move or creElp under the: roller and until
the surface of 'the li'oadwa.y 1$ brought to t.me grade and. cross-section. After
the final rollipg as specified above. the filli:Qg of low places will not be
permitted and the entire su.r!aceof the :!:roadway shall be kept damp at all
times untl1 immediately beforethe pavement is laid. Portions of the roadway
which cannot be reached by roller., smll be ts,n:ped 0011d as shall also pipe
trenohes and ditch excavations.
Far Curbs an.Q. S,id,eWs,Ik,s. After the rO'Ugh grading, as here inbefore
specified, has been. completed. the found.a;ttian shall be brought to subgrade
and tamped or rolled until solid. Where the subgrade is composed of adobe
or other swelling soH, the upper three (3.) inches shall be removed am re-
placed with' a sand cushion which smll be thoroughly wette41.Uld tamped or
rolled, solid. .
G:ra.di~ to: 'beOl1ee~eQ.. '!!he Contractor shall notify the City En....
gineerwhen a block or portion of the street has been b.rough t to proper
grade am eross-section in compliance with the above specifications, where'l.:q)on
the latter will check the elevation and condition of the same. If the SilD-
grad~ lrf!l f'~ J91ef}~J!-ce~~cee~tl#.;_the a~~e ~cgic,.-:ions and the
grades gi,;:n;':'C1le (fctn~~dt&'r'~ pHice~criitlft!lcfbalaneff;>of the work. Sub...
grade which has been checked. and approved, must be re-rolled, re-checked ancl
approved after a rain storm or from any f loodi~ of at\Y ca:l.l.se.
Storing ~teria.l. No material which is to be entered into the
construction of' llhe pave~:nt shall be stored upon the area. to be paved un...
til the subgrade otthat area has been .stt;~ff~,p~-Jllt:.y ;Q11~i:ae8r.
If, in the opinion, of the Cj~ ~me&t-t i.t is necessary to
store the ~ial",up@1,]. pk~-. the satn$ eha.ll be- done by the Contractor
upon the ~~4:1J.ua:ile I~r't.ers. $u.f'ficient plank smll be laid to pro...
teet the finished a::tbgra.de while delivering materials.
Sec. 35.
OONCRETE CU'.B:8S
Concrete curbs of' the' siae, sha.pe and di mensions detailed on the
plans or as fixed in the R.esolution of Intention shall be c,onstructed. ~on a
thorough4r danp ened. subgl.'fil,de prepared as hereinbefo re specified.
Formd'orms shall be of a widt1l equal to the full d<:pth of' t,M
C1..1.rb. and f'or straight curb shall be two (2) inehes thiok if of wood. Warped
forms and fonns not haviIJg' smooth straight upper 'edge shall not be used.
li""ront and back fonns shall. always be used. Rigid outsidefonns shall be
provided. for curb returns ha.ving radii of fool' (4), six (6), ten (lO),
twelve (12). or fifteen (15) feet. Benders or thin plank forms, rigidly placed
-19'"
meu be used for c'UI'b returns having a radius not G]? ecified above and for
curb on other curves. All curb forms must be carefully set to proper al~
ment and grades. The cur'b forms shall be rigidly held in plaoe 'by ill e use
of not less than fit'lre (5) pairs of iron stakes to each twenty (20) foot
section of curb, and other sections in proportion. Clamps, l:preaders,
and 'braces shall be freely 'Used, where required. The total length of the
curb fonns provided shall not be leSS than one....third (1/3) of the Imgth
of the eurb constru.etion in one (1) day. Curb forms shall not be removed
from the concrete in 1 ess tha.n one';'b a.If (1/2) hO"tl.r after the concrete has
'been tamped into plaoe.
:Baok foms shall not be removed until after the face of
the curb has been plastered and finished. Unless otherwise specified on
the plans, the face and back of the cru.rb shall have eqUAl batter.
Placi~ Concrete. Class:B Concrete, mixed as herein'be...
fore speCified, shall be placed in the forms in layers not more than six
(6) inched in depth. Each layer shall be spaded and tan1ped until the
concrete is thoroughly compacted.. Atter final ta1l!>ing the concretemall
be unif."ormly one-half' (1/2) inch below finish grade of the curb top.
At the end of a day's:run, or if foranv reason, work mall be :nermi~
ated, the joint shall be vertiCal and square ended and shall come at the
point of a marked joint4
PIEl,steriTf and Finishi~. The top of the curb shall be
plastered with one-ohali' 1/2) inch coat of Class A mortar, as soon as tlE
concrete has been thoreughly tamped. A sufficient quantity of lamp
blaok shall be mixed with the f':tnishing coat of martEl,r to give it a dark
sla.te color. The be-ok and face of the curb shall receive one...fourth U'/4)
inch coa.t of the said Olass A mortar as soon as the fonns are removed~ the
back to a depth of approximately two h~) inches and the face to one (1)
inch beloW' the flow line of the gu.tter. The surface plaster of the curb
shall be well floated and trowelled into the bo~ of the curb before the
concrete has set; it shall be smoothly polished and marked with joints
at right argle$ to the curb grades into block$ of unifo:J,m length not less
than two and one-fourth (2 114) or more than three and one half (3 1/2)
feet. The fl10nt edge of the top of th e curb shall be rounded to a radius
of' approximate+y .one (~) inch and the back edge to a radius of not more than
ana-half inch (1/2). Unless otherwise spa:::ified the back edge Of the top
of all curbs shall be on~ourth (1/4) inch higher than ine front edge.
The finished curb shall ShOW a true straight face and top of unifo:m
width. feee from lum.ps, sags or inequalities. When a straight edge five (5)
feet long is laid upon the top of the curb, it shall not vary more than
onSAfourth (1/4) inch from the straight edge, except at curves or grade
changes.
. E~ans.ion .Toin11ti. At all returns an e,xpansion joint mall
be placed at the end. of the straight CUr'bMd tWSlaty tOO} feet therefrom,
or at other places shown on the plan. This joint shall consist of not
...20....
less than th"ee-eightEi (3/a) inch oomposition board. made of tv/o (2) layers
of felt or paper and a filler of as:Jhalt shaped to the cross-section of the
curb and placed at right ~les to the curb grade. 'Wbere curb is built
over a new fill more than three (3) feet in depth, joints of similar compo-
sition board not less than one-fourth (1/4) inch in thiokness shaped to the
cross"'seetion of the ourb, shall be set at every third blook marking, at
righ t argl es to the<<curb grade..
Curi.~. The back and top of the;curb shall be covered with
not less than two ( 2 inches of earth or sand wi thin twenty-four (24) hours
after completion, shall remain covered and shall be kept wet fo r ten (10)
days thereafter;
Sec. M..
CONCRETE SIDEWALKS
Width of cement sidewalks shall be five (5) feet unless
otherwise fixed in th e Resolution of Intention or shown on the plans..
Subgra.dEl- Clement si dewalk shall be placed on a aubgrade
oonstructed as hereinbefore described (See Sec. 32) and thoroughly dsm:pened
so there is no dry material fo r a depth of six' 6) inches belOW the subgrade.
The area to be occupied by tre. sidewalk shall be brou.ght to
subg!'ade and unless otherwi.se speoified the remaining e.rea between the Curb
lines and sidewalk shall be lJraded even with the sidewalk am the top of the
curbs or even with the surface of the sidewalk when there is no curb.
~dS"
Sidew:alk ..... .'... Unless 0therwise specified ,the cement side...
walk at street interseetienlh where there are cement or granite curb returns,
shall be laid so as to cover the entire su.rface included within the prolong...
ation of the side lines of' the interseoting streets and the anrb.
Forms. Strips used. as side forms shall not be less than one
and five eights (1 s/a) inohes in tmokness not' less than three am one haJ..f
(3 1/2) inches in de:pth, ani shallbave a smooth and straight upper edge.
Strips shall not be removed 'Wltil the clay fOllowing the placing of ilie con...
orete.
Conor,etQ l:\.r:tt Mortar .Unless otherwise specified sidewalk shall
consist of a bodq of ele.$s C concrete three (3) inches in thickness after
compacting,and. a weari~ surface of Class 1~ colored mortar one-half (1/2)
iroh thick, making a. to tal finished i:;'hickness of theee and one half (:3 1/2)
inches.
Placing Concrl!:1.te. Concrete shall be spread beween the,
strips am. t110roughly tamPed 'Wltil the ooncrete is compacted and a light
ooati1'l8 of mortar fr0m the: concrete covers the anti:re surface. The surface
of the oone,rete mustoe smo,oth and 'Wliform, and shall be tested. as to grade
vili th a ga.uge n0tched at each end and extending one".half (1/2) inoh below
-21-
the tops of the side strips. All edges of the concrete shall be well
rounded with an edger having a radius of not less than five-eighths
(5/8) inch.
Placing Fil;!.i.sh Mortar. Immediately after the:- co:oorete has
beliJ!n nlaced as above described, the finish mortar shall be applied and
thoro;ghly trowelled in. The mortar shall be rodded and re-rodded,
floated, and the preliminary troweling done. Edges alonp the side strips
shall be rounded with an edger having a five-eighths (5/8) inch radius.
All other edges shall be rounded with an edger haviI1.g a one-quarter (1/4)
inch radius. . The surface shall be joi~~~~9.,,:retangles of not mora
than seven (7) square feet, or as the ~:I""'directs. All jointer
marks shall be at least 3/8" deep measured from the finished surface of
of walk. Except on grades of five (5) per cent or over the surface shall
be polished.. The finished walk shall S1 ow t\n even, true, surface varying
less then one-fourth (1/4) inch from a :Dive (5) foot straight edge, ex....
cept at grade ehangelh
Float Finish on Gr~des. On grades of f'ive (5) per cent or
more after the wearing surface has been troweled and retroweled as above
specified, it shall be floated wi th a wooden float before it is narked
into rectangles.
Expansion Joints. There shall be constructed at all street
and alley returns at t.he prolongation of the property line of tl1e in--
tersect.ing street or alley; aho tWEnty (20) feet tlul~efrom; then at
intervals of not less than forty (40) nor more than Sixty (GO) feet,
expansion joints, the filler forwhioh shall consist of not less tJ\&.n
three eighths (3/a) inch co.mposition board made of two (2) IlWers of
fel t or paper.. and a filler of asphsJ. t, shaped to too cross-section of
the sidewalk. A split float. which extends at least one (1) foot on each
side of the expansion joint shall be used during the finishing of the:
surface of the sidewalk. The expansion joint shall be. installed in such
a manner that it will be straight, extend entirely through the sidewalk
slab and finish flush with the surface of the sidewalk.
Prote.ction aJ;J.dC'u.ring. Sidewall: shall be protected by bar-
riers and when the cement has had its initial set it shall be watered.
four (4~ times daily for ten (10) days.
, At times when on account <rlif wea~,.&.t>fa'~~~ttons or mater-
lals, or tmy combination of the same, the ~r/lnay think it necessary,
strips of seven (7) oUllce burlap, previously danpened. shall be placed
across the fresh si dewalk, entirely covering the same, proper care being
takm not to injure or mar the finished surface of the sidewalk. iU'ter
placing, the bu.rlap shall be kept wet for at least twelve (12) hou.rs,
after which it may be. removed and. the curing of the sidewalk continued
as described above.
-:22-
IV. S..iliITJUi.Y SEfiERS
EXCAVATION
Sec. 35.
EXTEnT ()]'EXCAVATIOl\f
Excavation shall include the removal of all earth, stone
or other material of any nature, that may be encountered in preparing
the excavation for the im~rovement to be made and shall include also all
filling, trimming 01' otherwokk that ~ be necessary in bringing the
Stl.rface to the required su'bgrade.
Sec. 36.
TIOOTCHES
(a) The ground. shall 'be excavated. in open trenches ex-
cept as hereinafter provided to the necessary width and depth. The mini...
mum wid.th of excavatiens fer sewers shall be as follows:
(1) For pipe sewers six (6) inches wider on b0th sides
or atotal of twelve (12) inches more than the~ ex.terior diameter of the
pipe exclusive of bells and branches.
('lll) In addition to the above mininrom widths of excavation
sufficient allowance shall be ma.defor sheeting, wales, and forms where
the latter are required.
(c) The 00ntract0r shall be required to maintain safe
'crossings for vehicle traffic end pedestrians at all street intersections.
If any excavation is made across any street or alle,y at least one safe
crossing shall be raaintained e.t ail times for vehicles and pedestrians.
(d) Free access must be pr0vided to all fire hydrants,
water tat.es and all meters.
(e) The Co~tract@r shall be required at his own expense
to pump out or otherwise remove an;y- water or sewa,ge which may be f01.md
or may accumulate in the t ranch, and he shall cOrJ,stru.et allpu.rtl];ls, dre,in6 f
dams, fl1.Ullea, or other works necesa~ry for keeping the excavatien clear
of water or sew~e during the progress of the work. The Contractor shall
provide for the f low of', sewers, drains, or water eO~trses interru.pted
du.1ril1g the progress, of the ' WG"rk an,d, s~,., 'i.I,.';;, es>>re andmake good all 00 n'"
nect10ns as directed bythe~i'ffel!/)1!..{;;:>T'Svpfl'
(r) Where existing driveways occur on a street the Cant...
ractor shall ,make prc:>v1sion for di tchcrossings at these points either
by means of backfills or tempore,ry bridges as the ~~~~y d.irect.
(g) The trench shall not be opened more than three h1.md-
red feet (300) in advance of the pipe laying nor left unfilled for more
...23....
than tewo hundred (200) feet in the rear thereof' unless otherwise permitted
by the~~~t"
(h) !]he C.ity of Elsinore will not be responsible nor
pay for the necessary alteration, chax:ge, relocat,ion or removal of ~
underground con.du.it, pipe, or other construction encountered in digging or
grading the di toh.
Sec. 37.
MMmOLES AND FLUSH TAJ5lB
Theexoavation fo r all manholes and flush tanks shall be
murficient to leave at least six (6) inches in the clear between their
outer surfaces and. the side of the excavation or timbering which may be
used to protect the same.
Sec. 38.
:B&CING EXCAVATIONS.
Excavations ehaU be supported in the manner set forth
in the rules, orders and regulations prescribed by the Industrial Accident
Commission of, the State of Califo rnia. Sheet piling am other timbers ih all
be drawn in such manner as to prevent the caving in of the excavation. All
openings caused by the removal of timbers shall be filled wi t11 good earth,
which shall be compacted by f'looding or tam:p1ng.
See. 3~h
SPO I L BANKS
All materials excavated smll be laid compactly along ib. e
side of the trench a.nd shall be so tri_ed as to ota;"l1se"as Ii ttle ineD~
venienoe as posai;QJ.e tel) pu.blic travel. If the street i. s not wide enough
to hold the excava.ted 1'lllil.teeria.ls without using :part of the adjacent sid~
walks, the Contrlla.ctor smll keep a passag~y Q.pen at least five (5) feet
in width u.pon and along such sidewalk. All gutters shall be maintdned
free and unobstructed for the full depth of the adjacent curb and for at
least two (2) feet in V'lidth from the face of mch curb at the gutter
line. Whenever a gutter crosses an intersecting street an ad.equate wateI"""
way shall be provided and maintained at all times.
Sec. 40.
:BlUillIERS & LIGHTS
The Contractor sball place and naintain barriers at each
end of all ex.eava ti01'1.8 and at such places as nw be necessary along fue
excavation to prevent accident, and also to place and maintain lights at
each end of such excavation am at distances of not more than fifty (50)
feet along the line thereof', from sunset each day to s"unrise of the next
day until such excavation is entirely refillel.
Sec. 41.
SUBGRA.J1E
The subgrade for pipe sewers shall be the exterior bottom
of the pipe, and. 130r masonry sewers, the exterior of the masonry composing
the invert of the sewer. Where soft or spongy material is encou.ntered in
the prepa ration of the S~l'ade said material shall be removed to such a
de:pth not exoee.ding two (2) feet so that the replacing thereof with
-24....
gravel t.amped until fim1' and unyielding wUl provide a sta"ble found-
ation. Should the excavation fo 1'" an;y sewer or sewer structure be carried
below su1!grade for aT1il reason it shall be refilled to subgrade with gravel
which mall "be tamped, until f im and urlYielding. Where a fill is re-
quired on which to eonstro.at a sewer it shall "be !!18.de of good sound
ea.rth built up in layer$ of not more than one (1) foot in thickness and
each layer thoroughly compacted by molste:ning and by rolling or tamping.
Unless otherwise shown on the.. plans the width at the top of su.ch a fill
smll"be not less than three (3) feet for sewers ten (10) inches and
less in diameter. For sewers larger than ten (10) inches in diameter
the width of the top of the fill shall "be three (3) times the external
diameter of the sewer. Sidaslopes of such fills shall "be not less than
one (1) foot vertical to one ani on~half (1 1/2) foot horizontaL.
Viheneverthe nature of the ground will admit of it, the
bottom of the excavation must confoP.m exactly to the outside lower half
of the sevle:lZo
The excavationshall be made a sufficient distance below the
depth indicated by the grade line on the profile and m own by the grade
stakes set by the Engineer to allow fo r the placing of the sewer invert.
together with the OJ ncrete f oundat.ion if any such foundation is specified
on the plan or profile of said sewer.
Sec. 42..
SUlU'LUS EXOiWATED NiATERIAL
Surplus excavated material not required in filling the
trench or tunnel shall be promptly !'emoved by the Con tractor and dig-posed
of by him.
Sec. 43.
CONSTRUCTION OF CONCl~TE PIPE SEv(&RS
!
(a) Laying. (1) After th e tremh for pipe sewers
has "been brought to the proper line and grade in the !IlI3.rmer a"bove speci....
fied, the l1ipe Siall be laid therein in the following rl'lanner.
(2~ :Beto:re eny pipe is put into :place, the trenoh
bottom shall be prepared. so each pipe shall ha.ve a fi zm and uniform
"bearing over its entire length. All adju.stment to line and grade mu.st
be made by scraping away or filling in the earth under tre boQy of the
pipe, not by wedgi!lg or "blocking up.
(3) The pipe shall be la.id withou.t break uphill from struot...
ure to structure.
(4) il'lhenever the work ceases for any reason, or where
the existing pipe is cu.t and abandoned, the un:finished endo! the sewer
shall "be securely closed with a tight fitting plug or cover.
tb.)
(b) Pipe ;oints.. (l) Joints shall "be made with Class
13 cement mortar. No joints shall be entirely cemented until the next
two {21 joints in advance are laid. Tn.e interior of w sewer shall
be free from all dirt, mortar and foreib"ll roaterial as the work progresses,
and left cl ean upon completion.
( 2)
.....25-
. (2( In no case shall a:tl:Jl pipe be laid under or in water.
(3) \fuenever the :pipe sewer is located within ten (10)
feet of any trees, the removal of which is not included in tre contract
for the sewer, the jointeof the piipes shall be entirely surrounded with
four (4) inche~ of Class C cement concrete as hereinbefo re described.
(4) Whenever a break is nade in layirlg pipe, to allow space
for the con. structing of manholes or flush tanks or for any other reason,
theands of the p:b;p.e shall be supported by a f ound~,tion satisfr;l.ctory to the
~~er.It,,:~vfPl
(5) The c01'ltractor she.ll not conneot any drains with
the sewer 'withouthaving previou$ly obtained a permit from ~ _;~~fifS vj?t:
Sec. 44.
MANHOLES AND FLUSH T.A.1il'ES
Manholes and flush tanks shall be constructed of such size
and at su.ch plaoes as mSiY' be indi cated upon the plans. TheysJ:J.all be built
to ccmform to' the plans for the same on file in the office of the City En...
gineer.
The thickness of wall s shall be eight (8) inches, exc e:pt as
otheI"\vise specified on said plans, and excepting where depth of sewer exll)eed.u
twemty-two (.22) feet, in whioh Case the thickness of the walls below this
depth shall be twelve (12) ine:hes am the concrete base extended to form a
footing for the twelVe (12) inches of' brick work.
In all ca.aes an e igh t (8) inch areh shall be tur'ned over the
pipes entering manholes and flushtanka. Cast iron manhole heads am covers
(see Sec. .. of these SpecH'ioat1ons) free from iTI\Perfections and thoroughly
cleaned, aW'in dimensions, weight and quality of iron, and in all "respects
in conformity with the plans in the office of the City Engineer, are to be
fitted to the e..bove described manholes and flush tanks. 'The inside of all
manholes and flush tanks is to be nea,tly plastered. with Class B cement
mortar, andtb:e joints on the outside e..re t.o be flushed. full with mortar and.
neatly stru.ek. The inside of 131.1 manholes and flush tankB must be provided
with iron barst three"'quarters h!4) of an inch thickt finnly and securely
fe..stened into the brick wall, approximately sixteen (16) inches apart, as
indicated on the plan, said bars to be used as steps. All flush tanks
_.1:::........ shall. be supplied with an automatic flushing .device satisfactory to the Oi ty
/3" 5tJr{j?~' oapable of discharging at a rate of not less thM five (5) gallons
~I ; per second.
Le..ying :Bri~. All brick shall be clean and thoroughly wet
immediately before laying. Each brick shall be laid in Class B mortar with
a ":push jOintn, and in no case is slushing or grouting of a j oint to be al-
lowed, nor is a joint to be made by working in the mortar after .the briCk has
-26-
been laidoEvery 1:'Jirick is to have full cenlent joints under bottom, sides
and ends.
No brickwo:rk shall be laid upon a concrete foundation un-
til twelve (12) hours after the: concrete foundation has been poured, ex-
cept in the case. or an emergenO'y, where the ~it!!:~~.py permit the laying
of brickwork on f'resh concrete. "-' ;", t'p';J,; .,
Unless otherwise sp;ecifi ed, the contract fo r the construct...
ion or sewers specified herein she.ll include all labor, ma tarial and other
expense necessary to l)lace the water pipe connections required between all flU'J hing
stru.ctures sl1O\vn on the plans and the mains of the Oi ty W9.ter DepartmeJ. t &:11(,1
pri vat e water cOllIJanies from which water service is to be obtained. The C on-
tractor shall n~e all necessary arranger$nts with the said City Water De,p-
artment or private water companies in regard to said connections, e..nd sh.~all
present receipts for all payments required, before final acceptance o.r the
work.
Sec. 45..
:BACKlfILLIN'G TRE1'WHES & SHORT TU1\flJELS
:Before the trenches are backfilled the earth above all tun....
nele connecting sections of open trenches shall be cut through to the S'tJ.I'oi"
face of' the g'round f'o I' the f'nll width of' the trench.
As soon as mortar used in making joints has set sufficiently
to permit 'backfilling \lfi thout injuring the joints, the excavation shall be
fjilled with good earth, sand or gravel, f'ree from large stones or lumps.
Exoept where the outside walls of the sewer are vertical, the backfilling
half way up to the spring line of the pipe shall 'be carerully placed, load-
ing and tamping both sides uniformly. This filling shall not be thrown
into the trench taster th_ it can 'be properly placed and hand. tamped to
provide a firm bearing for 'the boc%r of the pipe. The excavation shall then
be filled to height ot one (1) foot above the top of' the sewer, 'Using a;ny
means the Contracto I' mav choose; the fill shall be thoroughly flooded and
allowed to stand until: the water has seeped away.
The back filling shall then be completed in layers not more
than five (5) reet in depth. to the surface ot the ground, each laver being
thoroughly settled by flooding with water.
In flooding, the manner of applying the water am using the
bars shall be done as directed 'by the ~-~:t:!l until the iill has been
tho roughly c ompaet ed. S'T. ~s 0.;> p'-,
Arter backfilling has been completed, the trench shall be
thoroughly rolled with a roller weighing not less than three hundred and
fif'ty (350) pounds per inch width Of ti:t'e until firm and unyielding.
-27-
Vlhere the trenches do not f'umish sufficient material of
the proper quality, to properly fill the trerll~ht the Contractor shall
procure 8,nd supplT such defie ieney at his ~wn. co at and expense.
v. WILLlTE PROOESSED ASPHALTIO PAVm~EfrTP
(Wil1ite Specification A Z6)
The specification contained herein, and designated
"VlILLITE SPEOIFIOATION A 26" t appl1ee specifically and only to \'fi1lite
Processed Asphaltic Pavement, and 110 change therein or therefrom shall
be madea
I
The foundation, subgrade, dra :i:nage structu.res, curbs,
gutters and other im;provements, except the pavement proper, shall be
c011structed in accordance with separate 8pEecifications therefor, pre.--
pared by the local officials.
The co ntract, including the designation of thickness of
the pavement, prioes, obligations, liaoili ties, and manner of payment
shall likewise be pe~ared by the loca.l officials.
The signing of mny- contract under this specification shall
be deemed an acceptanoeby the ContraCtor of the tel"ms of the G-eneral
License Agreement for Willite Processed Pavement which has oeen, or shall
be filed with the bo~ awarding conxracta
. The ~.. Inspecto rs, under the proper pub...
lie officie\.l, shall have j'1i1.risdiction over a.ll work contemple,te.d or done
under this ~eifieati0n, and authority to accept or reject any materials
or work, or portions thereof, not in accordance with this specification..
The cooperat.ion of the Contracto r is required in every
respect, includiingthat of facilitating inspection, and the enployment
of only first class equip,ment an.d experienced labor.
If m:y provision in this spec.ification shall be in. co n...
fHct with, or inconsistent wi tll the provisions or requirements of aNY
particular act or acts of the 1 egislat-u.re under which the proceedings for
the im;provement are 'being conducted, then and in that event such act or
acts shall prevaii, and the inconsistent provision or provisions con...
tained herein shall be disregarded and shall have no force and ef:fect.
G-ElWiA1 DESQRl1;>TIO}I
The W!LLlTE PROCESSED ASPHALTIC MIXTUREt whether for base
or wea.ring gurface, shall consist of the following materials:
-28-
Mineral Ag6r~ates
Mineral Filler (except in base)
Willite processed. Asphalt
to be has-ted, combined and mixed as hereinafter specified:
SPECIFICATION b~R11ATERIA1S.
CHUSHED :EWCK
Gro..shed rock shall be deri ved from clean, hard, tough stone
of uniform quality, free from any decomposed material or foreign matter.
Wben tested with a Page-Dev~l Abrasion Machine it sha.ll h"we an average
French co-efficient of wear of not less than eight (8).
Sand shall be clean, hard-grained, and modere,tely sharp.
It she,ll c ontain not more than 3 per cent of mica., or loam, clay, organic
matter, or other ea.rthy impurities. The sand shall all pass a lO'""ID.esh ~
screen, and llOt less than 95 per cent by weight of the material shall be
retained on a 200-mesh screen.
MINERAL FI LLER
Mineral fi1les shall cOl~ist of finely ground stone dust,
or Porthmd cement. The mineral filler shall all pass a 50....mesh screen.
and at least 66 per cent of the materia.l shall pass a 200-mesh sereeno
WILLITF; PROCESSED ASPBJ~LT
Willite proc.essed asphalt shall be processed at the refinery
by the Califo mia Willi te Company from asphal t conforming to the followiXli
requirement 51
It shall be homogenous, free from water, and shall not foam
when heated to a teu'!Perature of 175 degrees C. (347 degrees F.)
requirements:
The asphal t shall meet the following physical and chemical
(1)
(;a)
( 3)
(4)
(5)
(6.)
Jpecifie Gravity at 25 deg..a. (77d.egoF'.), not less than 1,000.
Flash Point, not less than 175 deg.O. (347 deg.F.)
Penetration at 25 deg.C. (77 deg.F.) shall be 40....70, under
100 gr. fo r 5. sec.
Ductility at 25 deg.C. (77 deg.F.) shall not be less than 75.
Loss of weight at 163 deg.a. (325 deg.,F.) far 5 hI'S.,
not more thm 3 per cent.
Eitumea soluble in carboh tetrachlo~id.e, not less than
98 per cant..
l.r:he above material as processed shall be ordered by the Con-
traeto I' under the trade name, "Willi te Processed Asphal tn, and it shall be
so Shipped, way-billed and invoiced.
SAlvl1'LES
The Engineer in charge of the work, or his qualified repre-
211
sentative a shall have access at all times
to all branches of the wone. The Contractal' shall furnish for tests,
whenever called for, samples of all the material proposed to be used in
the composition of the pavement. The said Engineer or his qualified
representative ~=~~ 1.1J~~t." shall then cause such tests
to be made as are nooes sary to determine the quaE ty of tll e ma teria.ls.
~ne making of such tests shall be open to the Contractor, and he shall
be informed of the results therefrom.
THE l)L.I\,NT
The preparati.on of the asphaltic mix.tures specified herein
shall be made through a plan1t. of such design as will be sufficient to con-
tinuously provide a homogenous mixture at the required temperature. The
plant shall be provided wi th sufficient bins of the proper size to provide
for th:e necessary segregation and grading of the several materials. Pro...
vision shall be made to heat all the Willite Processed Asphalt only by
super~heated steam.
The plant shall have a pug mill of the proper d.sign, equip-
ped wi th a sufficient number of padd.les as will thoroughly mix the several
materials in the specified time, and turn ou.t a homogeneous mass in which
each and every particle of aggregate is completely coated wi th Willite
Processed Asphalt.
:l?'REJ?l>.RI1~G AND :NlIXIUG.
The materials for the pavement specified herein shall be
heated, screened and. mixed for the time shown in the following table:
Temperatures in Degrees F'ahre:nhei t
Aggregl1l:1ies
at
Plant
Mixture ~
on
Street
Will i te
Processed
Asphalt
Bins
Willite Processed
Asphaltic Base
250-525
240...500
260...325
l~li-
Willite Prooessed
Asphaltio Wearing
Surface
250...525
240...500
250....325
1 1.
lOm~,..l
....30-
Time of Mixing in Seconds
])lix
Dry
Mix with Empty and
A.s;!?hal~ Recharge
Willite ~rocessed Asphaltic Base
6
60
10
Willite Processed Asphaltic Wear-
ing Surface
5
60
10
The preceding te,ole inclicates the numoer of bins, and the size
of the !lls,terial that each is to hold is specified in inches. ;J:he size
of the material in each oin is either that passing a 10...mesh (10m) to the
inch screen, or that retained UIJOn the lO"'mesh screen and passing the
next ~cceeding larger size.
r.!:he time shown in the t;::,ble fo 1.' dry mixingshall include the Ull.:ung
of the cold stone dust with the hot sand and rock, before the addition of
the Willite Processed Asphalt.
All materials shall De carefully weighed in the l)rOportions
hereinafter spec if1 ed, by means of accurate mu.l tiple beam or dial scales,
and 1'3,11 temperatu.res taken with armored thermometers.
The mixtures, as discharged from the plant int 0 the conveyance
for hauling to the street or roadway, shall be of the teuweratures shown
in the preceding table.
All mixtures shall be hauled from the plant to the street or
roadway in chean end sui table canvas covered \vagons or trucks.
The material shall be received on the street or roadway at a
temperature of not less than 240 deg. F. for oath Willite Processed As-
phaltic Base and Wearing Surface.
SCREENS
The screens shall be of sueh design and construction that thW
shaJ.1 at no time limit the capacity of the plant. Crowding of the
screens shall be prohibited at all times. ];tetal chutes shall be pro-
vided to guide the screened materials to the proper bins, and provision
shall be made to keep each size of the screened product ent irelJr sepa-
rate. Screens herein specified as one-quarter inch (iJ') and larger,
shall have round openings; screens smaller than oneo--quarter inch (-i")
thall have square openings.
-~51-
WILLlTE P110CESSED BASE liUXTUEE
The W'illite Processed Base IvIixture she.ll contain the several mater-
ials in proportion by weight of the whole mixture, as follows:
.
Material
Laboratory
Passing:
11ft
It!
).....tl
."
j.JI
4
Screen Sizes
Retained On
111
j""l
2
",'1.n
4
10m
Oru.shed Rock
II tI
tI tI
It tI
Mat. passing lo-m
Willite Processed Asphalt
Fine ~\g~regate (Passing: lO~esh screen)
Passing: 10~esh screen
tI "t1 n retained on 4~esh 'screen
tI \I SO-mesh II
t! II 200...mesh t!
It 40 II II
II 80 'I tt .
,
tI 200 tl " .
,
Per 0 ent
by 1;Veight
10-20 %
20-36 %
10....20 %
10...20 %
26...36 %
5-7 %
100 %
;as...S5 %
30-40 %
le...35 %
0-5%
The exact proportiona wi thin the above 11mi'tis shall be deterw
mined by the Willite Inspector, and r~lated to produce a dense mixture
with a minimum o~ voids.
Y'lILLITE PROOESSED SUIlFl\.CE MIXTtl1:tE
The Willite Processed Surface Mixture shall contain the several
materials in proportion by weight of the whole mixture, as follows:
Material
Laboratory Screen Sizes
Passing Retained On
1 " _~II
.;1,..11 _l.tl
fl 10:
Orushed Rock
It "
It It
Plat. pas sing 10iiillJn
Willite Processed Asphalt
~ Ag~regate (Passing lO"""l1l.esh
Passirg 10...mesh screen
tI lO.-..mesh screen,
It 40""ffiesh screen,
It e~esh screen,
tI 2OQ...mesh screen
se rean)
retained on 40~esh screen
tt t! eO-mesh screen
t! tf 20o-me 6h It
Per Oent
by Weight
20..40 %
15...25 %
6...17 %
25it50 %
6-9 %
100 %
25-35 %
300.40 %
20...30 %
5...10 %
~le exact proportions within the above limits shall be deter~
mined by the Willi te Inspector, and shall be regulated to produce a dense
mixture with a minimum o~ voids.
...S~
LAYING VlILLITE PHOCESSEl) Pi~Vm,lIEUT
street or ro
manner tha t
shall consis
every place,
heavily load
efo~e any Willite Processed Asphaltic Base Mixmlre is hauled to the
dway, the sub....gra.de shall ha.ve been carefully prepared in such a
t conforms to the grades and cross-sections shown on the plans. It
of a hard, uniform and smooth surface, to the extent that, at
it will su;pport ... without perceptible indentation - the wheels of'
d trucks.
ere the soil is of a sandy or gravelly nature, not susceptible
to such a de ree of compacting, provision must be made for steel platforms
upon which t dump the hot asphaltic mixture before it is spread.
BASE
e aFJp.haltiOcmixture shall all be spread by means of a mechan-
ical spreadi device on the truck, or it shall be dumped at such a. distance
from the pav ment already laid that e~ 1 of it must be mrned end distributed
by means of ot shovels or forks to the place where it is to be laid. It shall
be unif'ormly spread to such a depth, that after rolling to its ultimate corn-
pression, it will have the required thickness as shown on the planso
en the thickness of the base, as shown on the plans, is five
inches (511) I' greater, it shall be laid in two (2) courses, which shall be
of equal thi kness, unless othervdse ordered by the Engineero
s soon as possible after the mixture is ~pread it shall be rolled.
The base sha 1 be rolled with a tandem roller weighing not less than eight
(a) tons, on roller beiIJg provided for each 1200 square yards, or fraction
thereor, lai in e~ one working day. Vfhile still hot, the base shall be
re-rolled wi h a roller weighing not less than twelve (12) tons. Rolling
shall be con inued until the mixture has reached i ts ultimate compression.
Any portion ield ing under th e roller shall be removed and replaced.
e specifio gravity of the base after rolling shall be not less
than 88 '/0 of the specific gravity of the combined rock and ssnd contained in
the mixtu.re.
W'ElillIl'TG
pon the base prepared as hereinabove specified shall be laid
the Willite rocessed Asphaltic Wearing Surface. Said base shall be clean
and dry befo e any Billite Processed Asphaltic Wearing Surface Mixture is
laid upon it Inunediately preceding the laying of the Vlillite Processed
Asphaltic We ring Surface, a mnall quantity of hot asphaltic cement (not more
than one-eig th (l/e) gallon per square yard} shall be unito rmly appli ed
to, the base y means af' a spre.ying machine or broom.
...35-
All surfaces of curbs ~ Eru.tters, man....holes and 1),11 cold pavement.
joints with which the Willite Processed Asphal tic 'Nearing Su.rface fonns a
junction, shall be painted with hot asphaltic cement.
Joints shall be made by use of canvas covered rope or plank, and
cut clean at an angle of appro~imately 45 degrees before work is resunled.
No lap joints or skin patches will be permitted.
The Willite Processed Asphaltic 'Wearing Surface Mixture shall be
spread as above specified for ,\[Hllite Processed Asphaltic Base 1i:1ixture, t1l:ln
r$.ked. its entire depth and leveled with the back of the rake, before rollirg
is begun. Care ~~st be exercised to avoid foot-prints. Wberever n~de, they
shall be loosened with rakes the entire depth of the mixture.
i'..s soon as possible after spreading, rolling of t1l:l Willi te Pro...
cessed Asphe,ltic Wearing Surface shall be begun with a roller weighing not
less than ei ght (8) tonso A twelve (12) ton roller shall also be provided
for the Willi te Processed Asphaltic Wearing Surface. One roller shall be
provided for each 10,000 sq\lare feet, or fraction thereof, of Willite Pro-
cessed AsphaltiC Wearing Surface, to be laid in anyone working day..
The specific gravity of fue finished pavement shall be not less
than 85 % of the specific gravity of the combined rock end sand contained in
the mixtureo
GEIf..illBAL PIWVISIONS?OR ROLLING
The surface of the rollers shall be treated with just su.fficient
water to prevent the mixtv.re from adhering to them. RUling shall be done in
the fOllowing manner: a strip on each side of the rcadway next to the b'1..l.tter,
curb or outstanding edge shall be rolled longitudinally. ~le rolling shall thal
be continued toward the center of the roadwa;r in such a manner that each suc...
cessive rolling shall lap the previous one by a distance of at least one (1)
foot. Thef'onlara, progrei;3.s.of the roller on each longitudinal trip shall be
slightly less than that of the previous trip, in order to facHi tate the drain-
age of the water.
After oompleting the longi tud in.a I rolling the pavensnt shall be
rolled diagonall;r, and cross-rolled wherever the width of the roadway will
parmi t.
The rolling shall be continued until the mixture is firm and un...
yielding under the wheels of the roller, and has received the maximum compression
possible to obtain.
All places inaocessible to the roller shall be twmped with a hot
iron taIl!Jer, and the Willi te Processed Asphaltic Weari11g Surface shall be ironed
with a hot smoothing iron.
All mixtures she,ll be del ivered on the street or roadway so that
final rOlling snaIl be complet.ed. before da,rkness.
...34-
SEAL COAT.
~-
Immediately upon COl'llpletion of the rolling of the Willite Pro...
cessed Asphaltio Wearing Surface, a seal coat of asphaltic cement shall be
applied. It shall be of a consistenoy to be flexible when cold, and shall
be heated to be'tVleen 260-325 dego F. and evenly spread vrith a mech8,nical
spraying device, rubber squeegees or mops. Only a sufficient amount shall
be applied to flush the surfa,ce voids wi thout leaving any excess. At 1 east
twenty (20) pounds per square yard of dry stone screenings shall then be
spread evenly over said seal coat (or as much more as m8iY'be necessary to
take up al\V excess of asphalt) and the seal coat rolled wi th a roller
weighing not less than eight (a) tons.
The stone dust screenings shall all pass a 3/8 inch screen,
and 75% shall be retained on a 10-mesh screen.
The resulting pavement shall show an even e;nd snooth surface
to the extent that when a straight-edge eight (8) feet long is ]a id upon
it, the surface shall in no place vary more than';' inch from the lower edge
of the straight edgeo
TB.AFFIC
The base C01.1.rse shall be thoroughly barricaded, and no traffic
allowed upon it until after the Willi te Processed Asphaltic WeE, ring Sur-
face has been laid. No traffic shall be allowed upon the finished pavemen~
until it is thoro1.;tghly cooled am set, and in in cases in less than
twen ty-four (24) hours.
HEADERS
Wooden header-J}oards shall be used where the pavement does not
abut against Cl.ub, gutter or other pem.anent impro vemerrt. The wood shall be
at least two (2) inch stock, free from warp and knots, and surfaced on the
side against which the pavement is to be laid. The width of the header
shall be equal to the thickness of the finished pavement, except that wherever
pavement is to laid in two (2) CO"TSes it shall be permi BsibIe to place head...
ers of the thickness of the base course, and later place -bhereon a strip at
the thickness of the surface course. Headers shall be set true to line and
grade, have a finn'bearing up.on the sub-gre,de, and shall be held securely in
place with stakes or braces, to which they must be fastenedo
Headers and stakes shall be of suffici.ent strength to prohibit
springing' out of shape through the action of trucks or roll-ers.
~~r
int..ain';r:E cC.O..~de.~.
ctor at Cont' art s
ta ~~ng cr --
-35-
I, City Olerk of' the City of' Elsinore, in
the Oounty of' Riverside, Sta,te of Californi.a, do hereby
certify that the foregoing specifica.tions were adopted by
the BOi'crd of Trustees of s1;dd Oity f),t a reg;u.lar meeting
.4 Q/~-
thereof". held on th~_ dB;r of" ~~. 19.z.z.
Signed
-~
City Clerk
(SEAL)
of' the City of' Elsinore
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