HomeMy WebLinkAboutC2006-491 - 11/7/2006 - Approved
CHANGE ORDER
Department of Engineering Services
City of Corpus Christi, Texas
October 30, 2006
3270-00000-120714
455 Calendar Days
Change Order No
Operating Department:
Name of Project
Contractor
Date:
008 Funding Source:
Engineering Contract Time
Seawall Reconstruction Project - Contract D (Proj. No. 3172)
CCC Universal Constructors, L.L.C. (or CUC)
QESCRIPTION OF CHANGE
1 Furman Ave. Storm Sewer
ADD TYPE DEDUCT
$ 134,293.00 Time & Materials
Not To Exceed
install 80 LF of RCP across NB Shoreline demolish road to
extents of trench, excavate and remove unacceptable
'llaterial, place crushed stone bedding, install RCP, fill
bedding vOids with flowable fill, backfill with select fill, install
g" concrete sub-base, and 3" hot mix asphalt to match NB
Shoreline.
See Attachment NO.1
TOTAL THIS CHANGE ORDER
$134,293.00
Why was this change necessary? (If left off the plans and specifications, explain why.)
~This work can be performed now to avoid future traffic interruption for upgrading the storm sewer system.
How can similar changes be avoided in the future?
1 A, stub out can be included in the conceptual phase.
P.
B
C
[
E
F
C.
lRIGINAL CONTRACT PRICE
'OTAI. : :HANGE ORDERS (Inel curre'lt)
NEW CONTRACT PRICE
AMOUNT OF THiS CHANGE ]RDER
"'ERCENT TOTAL CHANGE (BfA)
'REV,CUS ADDTL TIME AUTHORIZF 0
ADD'. CONTRACT TIME THiS CHAr--iGE ORDE~
'OTp,. ADDITIONAL CONTRACT TIMf:
H
CITY OF CORPUS CHRISTI. TEXAS
n .
BY: .'~ '. ~' '-
,!'iOirector of Engineering Services
APPROVED:
J:'i.'.:lJ iJ ) . ~ \ }',[lhr
\ 1-" ''f7-~
qWling Depart"ent
~i ~\~"
1-"Y Dir,ector of Management & Budget
AtTEsr,
,
C : J{tVJ,()V~~
~al~J:
APWNO( OH4PA
(~'\ { sr, .=TN"Y
2006-491 . 'lD D lP ~ blai.. AUl HOIW....
11/07 /06 **~ll_-1.4:DJ4.f&...
\12006-369.......... M ~A_
('( C l 'ninrsal Constructors SFr.PHA~~~
$
$
$
$
Change Reviewed and Recommended by:
HDR hiner Mos ley and Associates, Inc.
/t?hl'~
12,887,632.78
578,141.26
13,465,774.04
134,293.00
4.49% Project Engineer
(calendar days)
(calendar days)
(calendar days)
Date
o
28
28
. :/t> ~a:' BY:
Date
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I r Ie
I /
/ ~ / O~
,
Date
Attachments:
1. Attachment NO.1: Preliminary plan,
additional specifications.
No.
10
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~t 'a\\ ,dl ReCl) 11 srrUC[H'll Pwjcct )
'~cvisJ()ns to Inlet :i2. allditional 42' RCP piping.
'-;llmCJ \1osele) &:\s3(),iate"
'\ I'll"'; Ion Talle\
[he tl)llowing qlwtC IS tDr labor equipment and materials to install 80 lineal feet of 42"
RCP piping west A'inler #2 The trench will be over excavated and tilled with ballast
\1ck. piping will then be set and 16 cubic yards llf tlowable till will be added. The rest of
he e'\ca \atiol1 will be ti lied 'with select till to rhe concrete paving. Two inches of asphalt
dp \\ ill be placed to bn ng rhe n 'ad\\a\ back to grade
Lump Sum
'S 34 .:>n i)()
It \Otl have quest Ions or comments clll1cerning this quote contact Darrell McNeese at
':.. 1-'),+~6 or 21~-,+l)7';;
4
i1,rreIJ \kNcese
p, ,)jec r \itanager
i~1TA(H'V\(I\) r kJO, j
SHEFf I tf (c
Department of Engineering Services
Change Order Summary Sheet
October 30, 2006
PROJECT: Seawall Reconstruction Project - Contract D
(Coopers Alley to Holiday Inn)
Project No: 3172
APPROVED: City Council on 8/30/05 - Motion No. M2005-304
CO NTRACTOR:
CCC Universal Constructors, LLC
5797 Dietrich Road
San Antonio, TX 78220
Total Contract Amount
25% Limit Amount ........
Change Order No, 1 (10/5/05) ................ ....
Change Order No.2 (10/24/05) ...................
Change Order No 3 (5/8/06) . ..............., ....
Change Order No.4 (5/15/06) .....................
Change Order No 5 (5/30/06) ................ ....
Change Order No 6 (Cou nci I 6/13/06) ..........
Change Order No 7 (6/21/06) ................"...
Change Order No 8 ...... ....................... ....
Total,...... ..,... '......... ...... ................ ....
$12,887,632.78
3,221,908.20
0.00
19,183.72
3,796.33
20,728.00
19,537.84
357,870.00
22,732.37
134,293.00
578,141.26= 4.49% < 25%
~
'He 'ONA'<UUE:c Jf 'L T SHUI'<~Ff :','PR :<w,E
Jr>. SHALL BE If 'i.; I: DB' 'f--' ONTf\,CCCR ,t.FOH ,'I 'R~.
';O~'ME' :ES PR OR FE '_.INNING EXUVATI'_', -'IOR~ .-i'
'\Rt: j:JSTiN.3Yi_ - t ~HE '-RAe "':-";-~ Sf-;A L CCYi-'"j:.( -H~
;r; JMPAN\- f:Tq _i:,L.,;TiONS ,A,\ DEP""':-,S TO r:(::VE,.r ,'.J:r
JAM' ';E ,I" INTERFE'<ENCE l'.rTH P'<E ;EW UTI, S THE TeXAS ONE
:AL 'EM AND 3(L Ti !\vESTERr>. B<c SHAle BE f, ~ riFlEr IE HOuRS
PRICF~' EXCAVA T'N(; ,AC'ION JWEVE'< Sf--A , N N~: Wi>- ( BE
NT! '.PR 'ED AS REUE'lN~; HE OJ,," KACTeR UF 7'.E RE:;PCf;5!BIL,TY
JNDl" )'1: TERMS 'HfO'F"AC \S SET OuT ", '~E I LAN; fIND
SPl: ,H~ A'IONt> f'lE Y'l i:{A '}~\LL !tEr~t'iR c.(l'.~:"
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cur,STR!;C,' lN IS C-,NFORM TO HIS ORAI'/iNC, ',tW SPECIFiC/> '-ON ~iO ;
Ai,O OT>JER SPECnCi-TlONS IN SEAWA.,_ '<ECONS' iUCT'ON f'RC" '-iT ':N T".ACT D
W H Cf" EXC' ~';N Of 'H' TRENC'" NI:FH i,~.D BACKF AS SFEC::'I[ 'lE!' 'W
pie"~ MI. ERIt>. R'
P'-F D'/>.METH
RCP C~:,)S V
T~;:~\lCI-' WiDI- P)) 0 '~\1AXIMV-A (~: ~J!>"'"
'ocNCr DEPTe
8, "TO~I ;F RCP 'VER DC-A\i/>Ti ", Ir>.. TAl',' ;OIL 'NCiT r>.,
'I, TH 6" ".EC.JING
BOTTJ~I OF pi>>. OVE'< E"CA, ',eN :.)R OP ,"
::(~ CJLAC~- 'Iv: ""H BE l~,CI~;r;
IN\ l W EVt>.'I'J~, .25: AT NcET NO 2
IN'IEW EVft'I)/. ,1-'"7 ,VESTENi.
SL'.JPE
BUDIN(: CRV,,,EC STO~E
JO'NT RAM,NEk, ~';BBER ,;A -<ET 5TH VlCr<TAR A' MAN CLE, '<LET
BA'~"Fll MI~iMi,M AMOUNT .iF FLOWABU: ell, '1f-,'8iN i)'r<
Sf ,.ECT " L FROM MID "IPE TO ROAD BASE
R().\D bf<,E B' :C',CRETf 8e ( 16' CENTERED 680'/E r>.EW ,CP
AC,:'~A .,,, H 'i'X MA T~ ,~RADE Of' i!~' ~,G N8 "L:Nt
~ L ~~ I SHINER MOSELEY
~ Cl..J...' , AND ASSOCIATES, INC~
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}:)S :\i. (~<.uanLahua, Suite 16S0
Corpu~ Chriqi, Texas 78..78
INV E_EV c
255'
,-fYJ 8e LONG 42" DIA STCRMLiNE
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SECT(()!\ 02220
E\.C\ \.\ no'\,\ \D H\CKFILl FOR UTILITIES AND SEWERS
P\RT I - GENER.\L
: Il DESCRrPT ION
'hls SeCIHlIi illelllles ,'\ca\atwn tor storm or \.lnitary sewer\. sewer structures, appurtenances
:nu connn.liOlh. wility pipe (ir lOllduits, anu for hackfllling to the level of the original ground, all
!1 confolllilly wltl the [oCl'lOn lines. and i!rade\ shown on the plans or as established by the
nginee: rhi, S\:tiofi ,t!\ I IlllluLies for the n\~cessary pumping or bailing and drainage, the
urnishlTi~ dlld pi,!. mg ul ,l'me'lll qabili/ed ba,;kfilL and hauling and disposition of surplus
iatenaL ,1IL.! the hi idging ot trclidws and other pmvisiol1s for maintenance of traffic or access as
i'ruvided h''''.'lli
! 1 k EFERl:01CFS
.\S [\11 D='122. "Il'st .\Iethod for Density of Soil and Soil-Aggregate 111 place by
01uclt:cu M"thods I Shallow Depth)"
h AS 1\11 D3( ! 7. Te;l .\lethod for \Vater Content of Suil and Rock in Place by Nuclear
Methods (Si,allcm [krth I"
('ode oj federal ReEulatiol1s, OSHA Standard 29 Subpart P. Part 1926, "Excavations,
1 rCllehlllg. ,ind Shorlllg"
PART 2 - PROD{r( TS - "'OT rrSE))
P~RT J EXF~ClTION
!i \LRTICAI ...;IDES
l'nless otllen\lSl' sp,'cified on the plans or permitted by the Engineer, all pipe, and conduit shall
'x construl kd If] opn] clll trellchcs With vertical SIdes. Trenches shall be sheathed and braced to
'Ih" extent lln:essar'r '0 Illaintalfl the side of th,: trench in vertical position to at least l' above the
'op of pipe throughlut thl' (l)!\tnlcll'JI1 period Adequacy of the sheathing and bracing shall be
lit lesp()n~lb:;I!'r uf tIe C'llltr;, lo!
! all C\C,l'.,ltiUllS ,fld trench,~s which exceed a depth of five feet. the Contractor shall comply
VI!h the llllTnlt saktystancbrds cqablished by the Federal Occupational Safety and Health
\lirmni"tLltlull (OSH\). which an' hnein incorpuLlted by reference. including, but not limited to
\llhpart P. I'dlt jlJ=h ,fthe (',,,It- 01 h'deral Re'!ulallons
~ i -r'-'FNCH \V! nH
1:]!enclaL 111!llhe" hall h,I\<.1 l!1d\i!l1u1l1 Width ,)f I' beyond the horizontal projection of the
,u!slde '1IILk.S i1f 11:,,-' pipe un '~alh ~ide unk\" utht:rwlse specified or shown on the Drawings.
fli.,\.evn (i[ f'\(' pipe, Ill'ilLlil'" ,ILlII have a ma\llllUIll width ul W' heyond the olltside surface
,( ;rpe II' .11: llses !lis 11Ill\llllHL til'nch Width ,,11,111 prevail for rile initial backfill segment, and
f) at ka\1 .Ihil\t' dlt' I'l!' ()t ;1lpl'
\t1 'I 1_'c)!llplL'tI'!fl ,1 I ,itia! hao till <l11l! after;it ka~t I' abc)ve the top of pipe has been reached,
Section ()2220
Page I o! t
A IDv. \-lMLNT l\)(;.
C)I~ tI: , i (ir (['
'n th,' ".It I,,]),', la\ ')(1 );Jet! II! i]endwd Ii Ill'CeS,dl) [I' tU!l1ply with safety standards noted
\ \'r~
lI'E"I fRI'-.< 'HLS
[he COrHract, 'f ,hai not h,lve mort' than 2()()' of opell trench lett behind the trenching operation
inti no more Ihan 'if I(J' lit dll( h h,:hllld the ditchlllg machIne that is not compacted as required
!'k~ COntLhtll[ ,hail ,lrtl\!de ,I kqUdk ,akty p!oteltlon around ,t11 open trenches and shall clearly
l!,irk such ll[','n treIh [le~ Ii IITLtlelid,'d
b l\fBANK~1 LVI
hlI all lltillt\ (Ondlllt and ~ '''vcr pipe to be ClJllstructed in fill above natural ground, the
'ndJankment ;l1a]1 fil.,t bt' ulIhtructcd to an elevation not less than I' above the top of pipe or
(J!lduit. afteI Nhic.:h, \.CI\dtllJ! for tht' pipe or conduit shall be made.
,<; i "'\,STABI.L \IAITj.'IAL
Where soIl t'rll:,)Ulltef"d at the ,qabiIshed footing grade is a quicksand, muck, or similar unstable
lltaterial. the loll.)wl'lg pmceuure ~hall be used unless other methods are called for on the
r lrdwings II the lIIbtahle cOllditlOIl IS a result of groundwater. it shall be controlled by the
(Olitractor plltlr to "dclitional eXL'aution. After stable conditions have been achieved, all
IJlNable ,soil shall be i l'mtlved (,r st.lbilized to a depth of 2' below the bottom of pipe for pipe 2' or
mOle in height. and Iii a depth equal to the height of pipe, 6" minimum, for pipe less than 2' in
hcl~ht. Such cxcavatl' ,n ~halllx carned at least " beyond the horizontal limits of the structure on
,) l,ides ,'\Ji unstah; soil q)l~mll\t'd shall be replaced with suitable stable material, such as
Lilhhed stone placed ,n Lilli for II layers of suitable depth as directed by the Engineer, and each
!"VtT shall he ,\-eUed, Il1tTeSS,lfv. lnd cumpacted bv mechanical tamping as required to provide
d)llble filLlndatlur! I'lli the '>!rUl'iure
1 'ill SH,\PINCl ()f l'RL\i( H Hn!"1 Oi'vl
PIpe or condUit ,hall be undercut .1 illinimum depth sufficient to accommodate the class of
Iwdding indlcatnj
;(! DEW ATEI<I:\( !'Rj~',CH
Pipe ur ClJlJdUII,II,dl i d[ he '_I)j,,[rLltll'J ur lalu in a trench III the presence of water. All water
shal be remll\<:,d rIlI[i the tren"h pno! to the pipe or condUIt placing operation to provide a
rt'!atlvely dry fam hed v-lith no ,t,ll1dll\,~ water, and maintained in such dewatered condition until
the trench has been hat kfilled to <i hl:lght at least I foot above the lOp of pipe. Removal of water
m<lY be alcoIllpilshed lY batlll1.l'. pumping or by a v..ell-point installation as conditions warrant.
R<f);,)val ,,( '.ll'ilpl'"11 ,hall hc t a 'alt' of everv third well-poll1t per 24 hour day.
lhe (:ontlaC[ol ,11<111 IIi d-.:e hi' m,n tlc[tTlllinatiol! as to the presence' and/or level of groundwater,
,1i\,j Ilake ,,11,J\\\[)c,', t ' gllllllHhvall'I 'luctuati(i!1 III hiS hid
ZO~ E,\(\VArICl:', 1:\ !-\(J \[)W.\Y)
E\,'a\,ltioll It: Illadwd\ '. [(l~eth,'r \l Ith the maIntenance of traffic where specified, and the
1'C\tcliatlOll of th,' paw nent liLli 1~ "udace shall he in accordance: With Drawing details or as
rewIlled bv (\tht' applll ,hIe '1t'cll IllS
"l'l tlOIl ()2,~~'()
Page 2 of-1
An !\;Lii f\\t ~ T \.JJ. \
~)HtJ:: "\ ti >'.1:' W
Rf\10V\\,(! F\IS! 1;\J( J S [~I( Ii kl'.'1
\\ hen old fll,hlJnI'V '. mclure, l'llllldations all' encountered III the excavation, such obstructions
"h,dl be rt'nh'ved fHill the trl'n<.:h tnl the full width of the trench and to a depth of I! below the
1('ttom ofthc trench When l),c1In!cl', ur manhoksuT encountert'd and no plan provision is made
Jdjustniell! \1r '- 'nlltTtilJlI '0 till' new St'wcr. slIch manholes and inlets shall be removed
'illpletelv I, a dep!fl I hl'I\,\\ the ")ttom ul the trench, In t'ach instance, the bottom of the
il nch shall hl rt'stul ,~d lu gr ,Ill' h had:filling ,IIHI COlllpactmg by the methods provided herein
'0 backfill When the trelh h lll" through storm. sanitary sewers or water lines which are
kiluwn to be ibaIHlu'led, IIICSl [Int" ,hall be (lit flush with the sides of the trench and blocked
,ph acunCrt'll' plu,E ) hl(ld; I liltl<lllll1
I'ROTECTIO\; ClF l rIll rIE',
['hl' C:ontract(l( shall ,:OIll:UC[ ,\ or" ~uch that ;\ reJsonable minlIllum of disturbance to existing
~ltlilties will re'lIlt Ilrtlndar arc shall be exercIsed to avoid the cutting or breakage of existing
,ill Ity or pIpe lincs, -';uch lint', it broken, shall be restored promptly by the Contractor. When
,;dlve sanitary sewer Ine~ are illt III [he trenching operations, temporary flumes shall be provided
'l'li 1SS the trench, while open. ,dId the lines shal[ be restored when the backfilling has progressed
1', ltle onginal heddi n' Ii ne~ of' he ,t~\\ er so cut
Ih, Contractor shall nform lit: lity owners suffiCiently in advance of the Contractor's operations
h J t'nable such utility ,wner~ lu rerl lute. provide temporary detours, or to make other adjustments
Ii utility lines In (lrde that the l onll actor may proceed with work with a minimum of delay and
"'pl~nse, The ContradO! shall iooperate with all utility owners concerned in effecting any utility
,idJilstments 11['leS~a[\ and ,hail 11(11 hold the Owner or Engineer liable for any expense due to
,!c:J.,V or addilillllal Wt k hel'<llI~" ul c'lntlicts
\, LXi 'ESS EX( '\ V.\Ti D \IATFRL\LS
.\11 matenals trom eXtlvatlllll \\hich h not required tor backfilling the trench shall be removed by
the ('ontraclor 'wm th,' joh s'te)f'(lInpllv followmg the completion of work involved.
C\IT/AL BACKFIll \RO[i\,JI) PIPI. OR CO;\JDUIT FOR CONCRETE AND CLA Y PIPE
,\ I 'Ienches ,tllU eXtol\ ,Iiun, ~h,,jl ill: ()~ltkfilled assuon as praclical after the pipes or conduits are
plul'erly laid ,(:lei theuints ha'l' h;mlencd sutlicicntly to prevent displacement of the pipe or
li>nduit and damage: tl the IOlnt, unkss other proteclion of the pipe or conduit is directed. The
O;td fIll shall III clean ,elect malerial. tiel' of large hard lumps, rock fragments, organic matter or
01l]t'1 debris The bacUil1 ,hall he deposited lf1 the trench simultaneously on both sides of the
plj1l' tor tht' lul width,f the treIc:h, lil Ltyer.~ not tu exceed 6' loo,e measure, wetted if required
Ii ,;hlain Propl: C:Ul1q,LCtl<JIl, ,lid 111'll\lughly (\Impacted by mechanical tampers to a density
t', t/lli'arabit' III ('ie ad):! ent IIlldI' Imhed sot!,mirlllllum yn% standard proctor, so that a thoroughly
c"m:)acted 1l1,1tl'fJ;tI sh !l hI' 111 !!iU' '1d\Vt'el1 the plPt' exterior and the undisturbed sides of the
tl':ll iJ and ((1.1 \t': I ahn\,: lit' [( '11 ' t plrt'
" i L'\IIIAL Hr\lKHLL \ROl\;11 PIP! OR CO\iDlIT FOR PVC WATER OR SANITARY
SH\ FR IINFS\;\JD i )UCT(U IRON WATERlINES
St' 'Il'ctil,n 02"''''0 Iii ,lall.ll!(111
a~ if' plica h k
\\ Itt'! Lines" ;ll1d!or Section 02560, "pye Gravity Sewers",
Sc,.:tion ()22 :()
Page 3 of cl
i\T\!\LH\\\fN\ N.';. !
/~~\ h,T s rr tC
-+ INAL BAIKI.IL FOR AlL 1'[I'LU:\f/:S
{ackfill fur that potion of tI'ilch 'JVlT I' ahO"iC the pipe or conduit shall he clean select excavated
natenal frc': ot har d lumps. rod: I agments, orpanic matter. or other debris, placed in layers not
'" excceu t loos, measurt. \h'llni If rt'Ljulrcd to uhtain proper compaction, and thoroughly
1H11pactcd hy use; If lTlech:u Ical Llillpers to Ihe natural bank uensity, unless otherwise specified.
f iouulflg ()I hacHI is n()t ;lilowed Jetting of hackfill will be allowed in sandy soils and soils
lherwlse appllJvcu by the f ngillcc'i When klllllg, select excavated materia] shall be placed In
1 yns \l! n"l murl than ..1' leCpllld Jelled until all scttlement ceases. After the backfill has
'dtled. and is dire, led hv th,> Englliccr, the !'rlln:ss will be rcpcated to a point 4' below the road
I lsC ()] natural gr' ,und cl\ ..ppllc.lh!e fhe laq -1.' of l1ackfill shall be placed in layers not
i. scceding h loost anu ,:' q'iP:lt k(! by USl' 11 Illcchamcal tampers to the natura] bank density
, Ikss othcr'.\lst. sp, ,jficd
pent)d ot not les' than 2-1. 'lOlIiS ,hall IaPSt hct\veen the time of jetting and the placing of the
[i 'P 4' of hackfili
B,lckfill cornpactic)f' shall he rl1lmfTlllm of 90''; -;Lmdard proctor density,
V..hen [rendllng acr, .ss an ex~til1g pavement Dr all area where new pavement is to be provided,
~ll!d where otherwi-;t indicateu, final backfill up to the subgrade surface shall be cement stabilized
s;md contaInillg a IIl1nimum It.2 ,aeks of standard Type I Portland Cement per cubic yard of
,,' ;!d
BURIED W\R:\fINI , A:\fD [[)Ei\TIFICA TIO\i ([[)) TAPE
rile Contract\lr shal proVide md Illstall electronically detectable tape manufactured specifically
[or warnlllg .1Ild 10 ,f bUrIt'd litilltic'" Provldc tape in 3" wide rolls, color coded, with warning
md ]0 pI! n lL'd contli!uousl y ~l1d I L'j )t:atedly 0\ er the length of the tape, located as shown on the
Ir!wings, tor the fi ! len?th lr' hUlled utilitv C()lor, warning and [0 shall be similar to the
lowing
Watc] Line
Sewer Line
FleLlilCclJ Ct ,dUll
blllt'
ye'l(>\\
'IT
>oC aution - Buried Water Piping Be]ow"
>o( autlon - Buried Snver Line Below"
[):ulger - HIgh Vullagc>o
3 I iT ')TINCr
lests shali h1' perfo: med III . ufficicnt numbers tu ensure that the specified density is being
l1Lllfled. L\ illlllimul!! of [ fle'd (kllSlty test per lilt of backfill for every 50' of installation shall
"t' performed ()lIe llloisturt' lk!lSltV ldatiollshlp shall he determined for every 1500 cubic yards
,f natenalust'tL (Ir a mall~rial dl:1I1~'l'S Field In-pL!ce density shall be determined in accordance
liil AST\I [)_'922 J d AST\l Din I
1'.;1) OF SF< orlo;\;"
')ection ()2_~2()
Page -1. of .~
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"'ECTIO\; 02S()1
IU INFORCED CONCRETE PIPE
P\.RT 1 - GENERAl
II IlESCRIPT!()\
his St:ctlOr illt'IlJ(L's turnlshng :lIJd installillg ail reinforced l(lncrete pipe and jointing material
['4uired til ompler thL' Prol',:t
12 RELATED SFCTU 'NS
Sedl<)ll ()=~ 20, '"Fxc\atJoll and Backfill tor UtIlities and Sewers",
') kEFERFNC}-:S
ASI '\11 C7f1'Relnfolc'ed Cuncrete Culvert. Storm Drain. and Sewer Pipe".
B ASTM C..+., \, ''Joint) fI'r ('ircuJar ('onnete Sewer and Culvert Pipe, using Rubber
(raskl'ts'
PA RT 2. MATERIALS
("
, !
i\lA TERIAI
Pipe shall ull1form (" ASTM ,76 tor circuhu' pipe and shall be Class III, Wall B. The pipe shalt
be machine made stich that C1l1crete from a central batch plant can be uniformly placed in the
(, >:In and ~uvh that lense (UICrere t an be as~ured by mechanical means. Prior to delivery the
pllJe mllst be ,It 2g lielY design,trength Pipe ll1ust he in standard sizes and the internal diameter
(rilm 12" [0 :-+" pIp',' shall v:ry h) not more than 1.5'Yc- from the nominal diameter. The walt
thickness shall not I" less thar that .:,tlled for by IThlre than 5% or 3116", whichever is the greater,
\\ all thickne',s cxct'L~ding thai requlft'd by Class ilL Wall B is acceptable, The pipe must be
'luI"ked wnhlass ot pipe, dat< of manufacture allll the name or svmhol of the manufacturer.
i.I' Rf'.JECTION OF PIPE
[I,c EngJllcc'! le.~el VI) LIlL' !lgLL lu I L'1t'ct piPe dt:ellleu !lOL sUllable for installation for any reason
Ih luding carelcs, dumping fwm tl'Llck, cracks through the shell. honeycombing or open texture,
Llinageu t~!ld). or ddech tha indlt'~lte impertect proportionll1g, mixing, and molding. Rejected
lQ'l' wlil he dearlYllarked ~lIid .sl1al be removed IInmediately from the site. Repair of pipe in
leU of rejection ,hal be ~ubJtlt to the approval of the Engineer and shall be allowed only for
Ie asiollal Illlperfect"ns III Illl'lor acudental IIIJmy during handlll1g. Pipe may still be rejected if
h, repairs ,Ire nul \tllnd and !Iopt'rlv finisht'd and cured to the point that the repaired pipe is in
Ilillpliance v, Ith the' sPL'u lie !tiOlh
'J (iNTI\(;.\I\IER!\L
f{llllber ",aSf..t III at er Ii I slull h,' sy rlthetic rubbt'l l\llltorllllng to ,\ST\Jl C--l-.+3. Cement mortar is
~'ll ,hlbited trwn I'lIllt iig Pille nccpt ,It manholes. pipe JunctIOns. ur where specifically approved
he Engll1l"'f'
! ,a,ket llIatnLil ,hal be Ram \id. r. mpe lor III al1d shall he supplied with primer in the size
"cctil)[J il.:'50 I
Page I 01+ All r\Ll-\MtNT ('u(
,)~{Ll1 '7 DC ,0
<lITlII1L':Illc' : 11\ ill IlLIII!:! !!lll! ,:ild If1stallc?d :1l,'ordil1,2 tu Ifluustry standards. Ram-Nek shall
.up[liil'd' r hL flk 1'1 fl Il 'rdal1L'l' ",Ith !he f()l!()\\ln.~ !l1il1iIlIUIl1 schedule:
1~1l~' .lIG~eIJJ I '''lEe I
I =
) ) 1< 11m.'
, gal...;
"
i g,d,
::.~. i 1."
....
~ ~aJ "
~l
~i )
\f)
(1 g~l!'')
" '
q ~aI \
I , g;d'.
-
I '\ I gtd,-
~() ) gal:-.
2<; ) gal:-.
L'
IX
'11
(II)
~":'l!Ll<:rr&hs ['Jer joint
1-1/.2 pieces, I"X2'5"
.2 plt'ce~ I"X2'5"
i .1/2 plLces, 1-l/2"X3'5'
.2 piece,. 1-l/2"X3'5"
.2pieces.l-I/2"X3'5"
2-1/2 pIeces. 1-II2"X3'5"
3 pieces. 1-3/4"X3'5"
\-112 pil1ces, 1-3/4"X3'5"
4 pieces. 1-3/4"X3'5"
4 -1/2 plL:ces, 1-3/4"X3'5"
5 pit:ces. 1-3/4"X3'5"
P\RT J - EXECliTlON
\liJitional ~,Im\id nal hL' r, lIllll'ed if a propn jUll1t is not secllrt:d.
"1 : I I>-,CA V AT!!;\;'
,\1 t:xcavatl\w shall he in ace< rdance with the requirements of Section 02220, "Excavation And
Hal'kfill For {tilitit:s\nd Sn"?rs" except where tunneling or jacking methods are shown on the
plans or permittee! by the Engineer When pipe is laId in a trench. the trench when completed and
sh;:ped to rect'ivL' the' pIpe snail be of sufficient width to provide free working space for
'"Ihfactory hdding me! Jointing and thorough tamping uf the backfill and bedding material
under and al(lund the pipe Howcwr ,'rom the hase of the trench up to 12" above the top of pipe
the trench~hallnut L'\._ccd d llld\imUnl width of ] 2" clearance from the pipe a.D. on each side of
Ihe pipe nil' Cllntr.:dor ,hall make SlIch tempor;J,ry provisions as may be necessary to insllre
idequate dralTuge llt he trcllch cl!1d hedding dunng the construction operation.
" BEDDINCi
I ht, pipe ...hall -'e bedl,:d In ,Ice, ,[dal1lt with the da,sification shown on the Drawings.
'.' I \ 'x'ING PIP!
I nL'ss otheml<..e auth, 'riled by the Engmeer. the laYIng of pipe on the prepared foundation shall
11<' ...rarted at the:' (llltkr and \\ith the spigot or tongue end pointing downstream and shall proceed
II ,w,lrd the 1I11d end \\ lth the ab!llting sections properly matched, true to the established lines and
,tTll!eS Wherc,cll alll "plgut pipe ~Irc used, cross trenches shall be cut in the foundation to allow
the "arrel <)( tlH' pipe t. rest rimlv llpl1n the preparL'd bed These cross trenches shall be not more
th,ll two 1I1cht" brgL th~lIl thl bell t'nds of the pipe. Proper Llcilities shall be provided for
htli'llng ;md !,lWtTlIl: tilt' 'L'li l:llb if pipe Into the trench Without disturbing the prepared
to 'lIi'llation ,llld ,hL' 'lei, III [he t,'lll h The end... of the pipe shall he carefully cleaned before the
rli1L h pLll'c'd \, ,'de kn;th \ I pUt " laid. th,: Illlllllh uf the pipe' shall be protected to prevent
tli.' ntranl L' ,,11th < I bt'lJdlll~ !ilalt'r Ll] The P1lk',hall he fitted Jnd matched ,0 that when laiJ
in th? bed 1t,lll!1 1\11!1 a ~!)I\'l)tl IIlll1el'm cunduit. \,hen ellIptical pipe with circular reinforcing
01 Lircular pql\' \\ Ith l liptl"tl !"lI1f'lr,l!lg is lhed, the pipe shall he laid in the trench in such a
Pi~HI')I1 that tll,. In~lrk 19 hottom" ,hail n(l[ be Illorl' than 5 degrees from the vertical
pi through illl' I()n~' udillcl .1\ ,ii! tl1l' pipe
St'ction ().25( II
Page :2 uf l
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S~~[!.: \ '6' Cf- {C
If pIpe (iI," I:' I di;IIllcte' tht ( ltltraL'tur 'na\ Jrdl two hole, not larger than 2" in diameter, 1[1
lit' top ul t',I,11 'l'll Jn, thtHlt ,lid In Idtlll2,' and placing The holes~hall be neatly drilled,
Ithollt 'pd till;! d' the" ,''II, Idt ,lllll ,hall Ilc dilllc IVlthout the cutting of any reinforcement.
\Iter tht, fllpe I', laI ,till' hol, \h;dl he fitted AIth ll10rtar and clll'ed,
\lultiple IIb[allallol ot r,'lnt Jrll'll ,"llGde pipe shall he laid with the center lines of individual
< lneb parallel \\-1 ,'n [WI (JUlTII I'l IIldlCllt'tl (Ill Ihe plan~, the following clear distances hetween
''lter~urf.tlt', ,ll alllCl'llt Dip' stull he llsl'd
I )IA\1FTER i-)F PIPL 'ILAR [)1.s[~\j"J(:E~J31:JW~J-::'-i PIPES
..,'
0' < 9'
0' < II
1 - I'
I -j"
I' - 5'
I' - 7'
I' - I I "
T _ ()"
'l"
,( ,"
;h
~~1
s -I'
hO' \-+
(q .It >lNTIN (j
for Portlanu CeI11entllort~1l IOll1ls, pipe shall be jointed tight and sealed with stiff mortar,
composed 0' one part Portland cement and two parts sand, so placed as to form a durable
\\akr-tlght lint The Installalionshall ht' as required by the Engineer.
B Whe,c rubhn gasket )Ipe jOlflts are used, the joint assembly shall be made according to
the rt'CtllIHTh'ndatlons of tht gasket manufacturer. Watcr tight joints will be required
",hen tlSlI1g ubber ga,keh
l f()lt1h lISIn,~ 'old Applied Prdormed Plastic Gaskets shall be made as follows:
\. ,uIlable pi Imer (ll the tIPt.: recommended hy the manufacturer of the gasket joint sealer
,hall he bru,h apptitT to thL' tongue and groove joint surfaces and the end surfaces and
~dl(ll\t'd to ti! y and harden '-'0 primer shall be applied over mud, sand or dirt or sharp
teIllC!lt prutl USiUII\. IheiLJlface [(1 he primed must be clean and dry when primer is
,qlpllLJ I'Il!ilCI ,It,d! dl'l,iltd at tilL' Idte ~[.Jecified in St:ctiull 2,02 above, or as directed
hy tlw Fnglwer
HerOIC laymc' the plpt' In tht trench, the plastIC gasket sealer shall be attached around the
tapered tongilc 01 tapced gI uuve near the shoulder or hub of each pipe joint. The paper
wrapper..;hal only be l'milled from one side of the two-piece wrapper on the gasket and
prL's~l~d timn to the ,It~~lll dry pipe loillt surface. The outside wrapper shall not be
ICll](,\cd lint! ill1fl1t'llLkh hcfore pu~hl[lg the pipe into ih final position,
\\- hc!! tilL' t(lI~UC !, ,'" t Cl! j ~tllgnl'd \\ I th the narc of the groove, the outside wrapper on
tht~ !:",kct sh :II hl' Il'I" 'Itd ,rnd the pipe ,hall be pulled Ill' pushed hurne \vith sufficient
l'lI'l t'llIe! pi ',ver haL, h, 'l~,l](lvel, lliain hoist. ratthet joist or winch) to cause the
l'vldellce ot,qUt't'iC<llltd the gaSKt't material on the inside or outside around the
,l \I1IP It'te pi P Joi nt , I I 'Ill! klc'nct.'. A III- j 11 lilt materia! pu shed out into the interior of the
plpt' Piat WIll 'd tcnd t, lb',tlllCt the fluII shall be removed. Pipe shall be pulled home in
cl ql;tH~ht 1m With ,tll ).Irb (it the pipe \fl 11l1e and grade ,it all times. Backfilling of pipe
"L'ction Il,:''i() I
Page .~ or .,f AT T ~{ ffl'lf N r
,\.\ Cl '{ \.l
~jJ, I
cf- ,
l (~
,Ii.: "i(IJda~h ~"kcI 'liltS Illay pi (llL'cd as soon i,"; the Joint has been inspected <lnd
I!" 11 \\ ed 'v rill f-'.I (Ili'l" Sp\xi;li 11Il'l dutlOlh ..;hall h' Liken in placing and compacting
k t 111111 to j \ III: .!; III c',' [() t h t' i' q II t,
\\ hen the ltmosph, I ic [t'lllperature IS below fll)" F. plastic joint seal gaskets shall either
he'tmed II an .Ired \Veil !licd to abmt' 70 F or artificially warmed to this temperature in a
l1l;lflt1er,tisfd([OI' t(. he Engllll'l:T C;askets shall then be applied to pipe jOillts
l'l'Il1edlatl v pllllr ( · piilllfl" pipe I trt'lIch. hllluwed by connection to previously laid
piPe
'\11 ..;[urlll ,ewer (U]..;tllll t(:d ll1..;andv acres ..;uch a.s the Flour Bluff, Padre Island and
\orth Bed h ;Ireas hal; Il'l.'eive a olle layer wrap uf 10 mil. polyethylene at each joint.
fht virap ,hall L'Xrc III r\\il t'eet to L'lther ..;ide of the Joint and be lapped two feet at the
~il,L
J') iL-\CKHLI
l\fter the pipe ha~ been placed oedded and Jointed as specified, filling and/or backfilling
shall be done IIi accordance with the applicable requirements of Section 02220,
'Excavation And Backfill F or Utilities And Sewers". When mortar joints are allowed, no
f!l or backfill shad be placed until the JOinting material has been cured for at least six
hours Special precautions shall be taken In placing and compacting the backfill to avoid
any movement at the pipe or damage to the joints, For joints consisting of materials
other than mortar immediate backfilling Will be permitted.
l nlcss drhl'l 'N1.Se ~l !OWII on he plans or permItted ill writing hy the Engineer, no heavy earth
lnuving eqUipment wIll be penl1ltled to haul uver the stmcture until a minimum of 4' of
pnmanent " !e1l11orary cc,qlpacred fill has been placed thereon. Pipe damaged by the
( mtractor' l'quipnient ..;hall le n:rJlllved and replaced by the Contractor at no additional cost.
IND OF SLCTION
'lection 0250 I
Page 4 of 4
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