HomeMy WebLinkAboutS-279705Pcacut manhole elements ahem be provided with
er krddua
sorb that the membeh tow a ntaIn a ken vertical
ladder with rude d 12 bwhs apart plan or minor 3/4
ten. Tbe lows# rag be not move then If inches aline the
64 and the uppermost mug shall be ad more than o inches below
the drwd aria -.
Joints between premd mmbde do—to abaft be rubber godoated
shaftly to gipe johds ad shelf conform to Anil C -439. 81mp
dresdAgo d — joint design shell be vAbmmw to the 6ogInsv for shelf show so
dolb to duage and dkuw ad regairemate At
ASOI C-478.
dtsada opening stall be ecoeatriamJ baled as on Use
Standard Paadladggnsss to d but 6mgfo W M. radio ariapa to W lookle tam of We
standad action how. 2dpimstpgudp abeS be all alm on the
PVC Imam pipe b ddhed as flesible aoadldt. Jciab sham esdam to AMN
D-3t12 WIN a restrabed robber gshet a nhaniag to = P-m
PDtiogs dull be hnjedi a mddai bas a itchy toheat added aaddb ton
Intend to pipe d& eaierod buds am at a nptaMe oa sag sew
Duclils iron pips is dallied u rWd sndhdt. Nod ideed or pah -ere jaiste
eAa conform to AWU Stanford C-111t
2 -5 SEE PIPS AND APPURTIRIANCSB - PFAMOSE
link= otherwise VedbA Penney yelps ahem be a nst adad ok
(a Dane has pipe centennial W AM 0-151 WUh a inavdantrrori
Wl cement hbg conforming to ANU Mill (aeo as to (Mdmns)
� with *A type d bd. js clam thickm s, doigutfm aid muldop
(b) Cod ka DtWngs"be rubber-gotdsf and akdm asehm to an
C -110 and C -111. Vdvs #ball umbra to NU 4saSodfoos
C-500.
d-8 MANRO= - 84' STAI4 M
(a) h(anbeJo Rams and Cams
Gel key bums and wrote shaft confam to We obapb hw*l
0om�oy Nun WM or equvatul. ddlge hall as a s to the
of ASSN A4% day 30 ad duel be 6w d pole ft
shrink avftjeri a hl dads, or weeks or say a rime debate mints
Would hopeir service ohully Repte d chants Af P b
an of imooth -on er dalfsr matarW tell feel be Cover
I. be type ■utaee am shall ban the wad 'NkW h huge raised A bit=* w ending shelf be applied to all snekem So Ad"
soft "be ooamaeom, amOd4 seftber kM Who add nor
aft* When aa�to the tan, ad dtda be slew* abo at to Lie hapeoun, ad
Flea d OR adbp " buy the right to o Psbtt Ru�sbp awe
sbsll be nomw grand a on* seeks" to swine
ma-raablsg:2 in any Iroion, son udsahupaWily. At as "oned
of the Ble rK there id be main awhbb at rim foatt damvd
rude and standard coraspotoo loua by Inspectors Is tuft At ad
�a looking doeice d s"u desip h the, cam a" be tame
staid own the ring. IN am" pub shall be seedy d
At the repot d the District. t � be mob a�wSaMe al lie
At the ewtrenj to seidt'an "p— so ignd to a 80-kd
had. The kamyaed am Ad be Ndwo da daN f[me
am cover With 3- seer -ype bddag orals
AN math* kaam ad soar shall be Mnmfted by Flee Rune or
ftkaggkg admx Tors Idutl8a8os Yralf be h . pteWy tie kuw�esd sun a" hsFaBeA h adiNia 's idaNmallom, Wa ar(aid sham be iiaatYfai by 'DI4C' for aodhder or dadBe km cap vdp.
� hdan88mtisa ! Id rlWh
rased to be >!ush with the adjeomt sahss.
(b) Paned wohots Companta
Prenad Mahal. Componnts shaft snform to ASDI 0-478 as*
as modified basin. iho welt openings to [slm pipe shelf be
dradee'. tapered heard, am held to tike walanuot alp pradi el to
acsmdate rue pipe to be basted to eHacftxdy "d the Joint.
No to esebde snmedioew AM be made with a rubber Aad imbued
in a pra-srsd openimg.
r
Y
wwp- is -i7�7
REVISED :Put DISTRLCT CONVENTS
11¢TI51 REVISIONS
2-8 T MCH FOUNDATION MATERIAL
Over- conalad material dr0 be rephoed with hmrE foundation material
srahrmlag to Gas of the fdbwmg gadaUam a spectral
am ffm . Jrm1 1101L Am,
JJoa.
2-1/9' wpm re a 911% low 95X
11110S
2' opniog ._ 02 100 75
1-1/2" xwhw spumg 72 87' 90
too
go
3�'It, a 75 U
15
square
22E 47
3 r opening 3 14 0
No. 4 dove 0 1 0
0
D
8-3 MADE IJNEE
The Contractor, sham maintain ibe eonvot grades between mob" and shell
check elf kttermediek grads dales by mesas of a taut grade we betweca at
lead lines htmnesome, grade stakes. .h the and the the grade loiters do not
mw vA the tad} akdl be stopped wO the dtmiba If corroded. AN beach
avid, nkrdm ads am ahem be In ease of destruction
d any d them. tka iawm®g`expmw of shell be brave by the fad
o !Rake d'" > and krtmmaDats grade stakes tabem be offset
10 I" ad buxlad at 50 foot A&UM udvean manholes. Inver beam
equipmut for grade and alit new Is as amsmOve.
8-9 PIPSL►YB4G
Rub pips ahem be laid with bob upgrade and the bad of the pipe to the
' alignment and grads darn an We Peas. Conewttia jomtg alum be slowed
and a smooth bad provided. Open soda of pips. or OMw shad be
temporat0y, blocked or awned when lading Is eat In progress.
Adjustment to the be ad grada arm be done by scap®g away or inked
and tempeg bedding material ads tie body at the Pipe. No wedging or
Making of the pipe for sdjslmed to fie ad grade sup be d=.
The sham be band late the kenck by aasu d rope, tripod, sane or
blue docked awks ad bbe o w boddelbe. Any trained or
dsla !bass pipe 40 not be mdamed. and standing sawas shell be federal a drawn a the Standard
Del Ye kere4 ail at swit lo allow; as shown we floe Peas a as otherwise
dins" by Ore District, They 60 at be evened wiflf ilea District bas
CORO ad Inspection and nowded their seed location.
Vaeiesa trod edab)enrad be sad grade drlf ad be grater then 1 /32m of
an tm9 per lob of pipe diameter. but shell act exceed 1/2 meh or rear In
a inn a reserse doping mast.
8-10 PIPS JOINTS
Me joists nshell be covered will awsbad Red Approved by the District only
as eY6aLd to an the requret d the Ndridt proof of enCk
04 -JWoa sitar be headed before leymg seal, begun.
Jolt natural shall be Installed asaft to the maetoWW$
nummobHoL After the mind bas ben dosed, the plys slrg be
�
NU de! or bwo*g the Slot, knoddsg sett d parties all loading A
lonip sand. Any so dbhaiad sWI be remee at
repidced, dwmd add v�rioldd bdaa j� Is made. The *a ahem be
propmb dipsed how the joid is (aced Aura. Pmmg iesertion d the
twege or gigot, the Lips Ad be pwtially supported M ham a wane
u required to akdmin head Plaays;n the usebot end to
eanao6ielty =0 Me gtAM is propels Portland. Foe de wbm and
dralg6mdog shaft be avoided ores the joint In home, to Feud amp of the
&Ad" pnnas Add be applied b Making the jag to mare the the jolt
is home, n dmasd fit the pipe mawAuWms standard ksdrmdass to
grlamdba. :ht5dod restraint Ad its applied to the ties to rims the
jolf as teats, we held m by leaping :B Ruda am alsedde the pipe
�or cum mood. At ibe and d the dqs work the but pipe lad
I"a mina m may be repaired to punt sew during
8-11 • `MANBO>8B
Prard mesbob ban sections shift be plead an a gem- empwted bWdng
emu d bodifing material. Us depth d bedding shell at be Ins them
In" as the beyond i oo
pabaster d go bay a ctiaL The belma of my making emmvdad as
da be MW VA Imported boom aateriet am an heaped to the lord of
Or top duke bidding wore the ambeL Is ad in place. The hooding shdi
be VA mutts am mall to moo uniform contact ansil
b the Pleat dwasuls.
2 -8 issiog G MATERIAL graded be � ae pa gmden a and sad diem =04 the buoying nphmsanic
U.S. standard x Pa shag
aa.. ems By Md
Pee
ON` square opnlg 100
3/11, goare opening 100
Ifir ?"M opening 90 -100
p0 mac 40-75
E40 due 10-40
Poe San 0 -15
8-10 ASPIULTIC CONCRETE
AVW amante pavement shall sutam to the Wd ai requirements to
taw U Aspuaut to the btst adktoxi of W. Mate of Washington 8tpdord
4som aim for a" amp am fsedpd Contraction.
5 -11 TOP COMM AND IIEYSTONS MATERIAL
Fa use in the radaration d excavated LOW Top- Course and Keystone
material shelf be mamdadrred bum edge or Was ro* be fires tram wood,
other atraw MWW and urea smarm to the fdbvlg
aa�im Sin By Weight
5/8' equase opnmg
1/4' Were opening 55-75
U.S.'fb. 40 ea" 0-24
�
NO.
Kquindent 40 10HAL o.
3-12 1JACKFU"NG
No backNNing shall be performed until after the District has inspected the
Instamation of the pipe and bedding and approved backfiring.
The initial backfill shall be hand placed select material spread evenly over the
bedding materiel and compacted b hand to an elevation of a inches above
the cmwa d the Dios for Ductile �ron Dios and 10 i M, h the croon
of the sine fo PVC. This alag be done m each a manner that subsequent
-&dM4 will not disturb the pipe in any way. Subsequent Nils of not more
Omn 2 -loot thickness abam be planed as shown on the Standard Details and
iudiVkh agy compacted to a minimum of 90 percent maximum density.
Subsequent backfiring shall be performed by Pushing material from the end
Of the Iran& along and directly over the pips so that the materiel will be
Applied In a raring dope, rather than by side filling. Backfiring from the
sides of the track wN not be don=a RAW the District has determined that
materiel loss bean carefully placed over the pipe to a sufficient depth.
In areas such as existing paving, or lu areas to be paved, where the District
determines that minor settlement would be detrimekded and the native excavated
moterW is not suitable for compaction as ba="i 1, the trench shot be beckoned
with imported backfill material as specified to Section, 2 -7.
3 -13 COMPACTION OF DACKFILL
Compaction of backh0 and backfll procedures in Public rights -of -way shall,
At the aysimum. conform to the requirements of tbe governmental agency
having lar"ction thereat.
measmrmeoz a eomnation dcostty $belt r,a h,� Ih qed Aeag7d method
ComPantlon of bad" shelf be achieved by power operated tampers, roller
vibration equipment or other mechanical mean. Water settling will not be
acealibble a s means Of compaction U excavated material has a California
Barmg Betio for compacted and soaked sample of less tha'7, or for any
Other reason ommot be compacted as specified, such excavated material shill
be rapt-" with imported buMLU material No baeknll alas 1 he pi�gd
wiffiout 110111 fate mmRaetion according hers . ^in •t:ons
The District will require that the services of an independent testing laboratory
or county testing laboratory be employed to perform in -place denely tats to
wartain whether the specified density can be or has been obtained The
cods of tLese testa shill be bane by the Developer.
11"Ardlow of the Approval d the District as to the manner of compaction or
o Downie in tall years am eanyr completion of trenches and excavation:
work by the District, and formal acceptance of We
3 -14 CLEANING AND FLUSSING
Prior to r tesUsgs all Pipes shall be cleaned as provided In this section.
An h ball d a else that will inflate to tit snugly Into the pipe short be
furabhed by the Contractor and placed In the lost manbole on the pipe to be
cleaned' The bag may be used with a tag One or a rope may be fastened to
the haft to bate MA control its Position at all times Water shag he
introduced behind the ball ad tbe bell $hall Pon through the pipe with only
the tor- Of the water imports I It All debris th shad ahead of the ball ekst
be removed at the first manhole where Parses of the debris is noted In the
went that cemented or wedged eebrie or damaged pipe sber stop the W. the
obstruction shell be removed.
3 -16 TESTING OF NON- PRtiT18URE SEWER PIPE - DEFLECTION
TESTING FOR FLEWDLE SEWER PIPE
AO son- Pra"ure sear pipe WA be air tested The procedures set forty
this action slieft be employed in conducting the tearing. AD beilties ad In
Pen d fo by u� the testing under the observation of the District .hail
fast Shall be t eel e lo . Ali equipment and personnel to conduct the
1 approval of the District. Although air testing may
be performed for the oowenietee of the Contractor before backfift coo
pipe shall be accepted unto air testa have been performed after backfiring and
eompanfg.
AD aye, two ad ends of aide sewer dubs shall be plugged with flexible
joist cape, or an alternate acceptable to the District, amd securely fastened to
viUrtand the internal fed presure. Such plugs or caw dull be readily
nmay" ad their removal shall provide a socket suitable for making a
� jolted Waal coaecuse or extension. No double plugs shelf be
Immediately following the pipe closing, the pipe installed shat) be lased
wilts tow Plat s air. Air short be slowly supplied to the plugged pipe
mdaliatia until the Internet air Pressure reaches 4.0 pounds per square inch
greater thou the average beck pressure of ny ground water that may
submerge the pipe. At least two minutes $hall be allowed for temparetao
dabduatiou before future procedure,
The Pipe $halt be aeceptable if the time required to seconds for the pressure
to decrease from 15 to &0 psi greater than the average back preaure is
to or great" than the listed values for corresponding sixes of pipe shown on
the air test graph tooted elsewhere m Part Four. tbawds created by use of
air pressure f" testing pipe shall be 4AWW against, and all plugs shall be
surely blwksd to pruent thmouta A enPPIY air regulator shot be
installed an the air apply to the sera that will allow only a maximum
oserw fin In the fine to be We before romenj Lest plugugs� Pressure shall be relieved from the
When required by the Engineer, all sanitary sowers constructed of flexible
pipe shall be deflection tested not less than 30 days after the trench backNr
and compyction box been cemphded. The test shelf be conducted by paring
Band pointed mandrel with a diameter aged to 95 percent of the pipe
diameter through like completad pipeline. vesting shelf be conducted on a
manhole-to- manhole basis and shag be done after the line line been
completely flushed out with water. The Contractor will be required, at his
exPaRom, to locate and repair any sections faring to Pans the teat and to retest
the section
3 -18 TESTING OF PRESSURE SEWER PIPE
All force mains shall be tested at a minimum pressure of at least 50 percent
above the design operating pressure for at bast 30 minutes, Leakage shall
not exceed the amount given by the following formula:
L 18:50
Where: L = allowable leakage in gallons per hour
N = the number of pipe joints
D = the pphpe diameter in inches
P = the LesL pressure to psi
3 -17 8 -INCH SiDS SEWER FROM MAIN TO PROPERTY LINE
The material and strength class of side sewer pipe sham be the same as the
sewer pipe to which it connects and these specifications sham be applicable
to side sewer work. The slope of side sewers shell not exceed 2 -toot vertical
to 1 -foot hnrimnrat a_ad grade gha!h re! w !Ns the- 2 percenL Side severs
$bell .lave nuMm'rn 46' cover. When change in slope exceeds 2 inches per foot,
standard wye bends shaD be used. AU side sewers shelf be plugged and the
plugs blocked.
The ends of all side sewers at the property lines shall be marked with a
2' x 4' board, the bottom of which shall be located at the Levert of
the end of the side sewer and the top of which shag be painted white and
extended 4 feet above the ground with the length of the board peiuled thereon.
The entire length of the bard spar be wrapped with a heavy gauge wire
which is attacked to the spigot end of the pipe
3 -18 CONNECTION TO THE WSTING SYSTEM
No connections shall be made to the exhsting sewer system without the
presence of the District. Wrillen application for connection shall be made to
the District for connection, and the connection shall be made at a time agreed
upon with the District ,
Connaotione to existing manholes shag be made as follows: U the manhole
is "live; manhole channel shall be Ughtly covered, prior to orb
the manhole wall,: to prevent debris from entering the sewer fine. immediately after the connection is made. the new pipe shag be plugged
The plug shall not be removed without permission of the District. If the
existing masnhole is not live.' a plug shall be installed in the downstream or
discharge pipe of the existing manhole in addition to the above.
Connections of new melna to existing sews Nees erg be made as follows:
A new manhole sbell be placed war the exietwg Nee The manhole shall be
precast 54 -malh diameter except that the base slab shag be east in place. The
now connection shall be plugged and blocked ad the existing saver pipe
shall not be opened without the permission of the District.
Connections of side sewers to an existing sewer fine shall be made as follows,
or as directed by the District Engineer.
A) For ducWe iron pipe, the connection shall be made with a stainless
steel, or stainless steel with ductile iron flange, topping tee, gmeac
model 'SSW' or equal. A FL by III adapter is required.
D) for PVC or AC pipe, the connection short be made with a sewer
saddle, Romeo style 'CB' or equal.
The existing aerer - pipe shoo be cut or drilled to give a smooth symmetrical
opening of the proper size. Each connection shag be bedded with a 4 -inch
thick concrete pad in place to the Iowa quadrat of the pipe bare!. -
Unsuitable foundation material shelf be overacanted and replaced with
bedding materiel.
3 -19 TRAFFIC CONTROL
All traffic control shall be per the Manuel of Uniform Traffic Control Deviem
and/or AMC' Of jurisdiction. During construction, traffic shag not be delayed
for more then 5 minutes unless Previously approved by the District am the
agency of jurisdiction.
3-20 `i'.V. INSPSM, ON
Prior to acceptance, ell pipe duo be T.Y. inspected All manholes mud, be
channeled, the sewer system completed and the roadway subbase Inataled
before the T.V.:Inspection. sewer dye, Noriab or approved equal, shag be
introduced Into the system prior to the T.V. inspection. The T.v, cameo mud
be Puled through the pipe without use of at hydraulic ffushlag Draft. 'riS
video tape of this inspection " be submitted to the oietrict along with a
completed catifed. report by the Contractor. AU defects revealed by the TV
inspection shall be repaired by the Contractor to the District's slsladion.
Any IPe or NRUM manhole channel with a sag that creates a elan water
depth of over a 1/4 -Inch may be rejected by the District. (No of 1/2-inch or greater will be accepted) Depending on the severity and extent of the defects,
the District may require that the entire pipe run Le relayed.
3 -21 SIDE SEWERS
A side sewer pull will be required from the District before installation of
side sewers.: Commercial waste discharge from fixtures and equipment that
may sntain ggrease, including but not limited to. scullery sinks, pot and pan
sinks, dishwesNers, soup kettles, and floor drains located in areas where
grease raulaining materials may exist will require a green interceptor prior
to ateriag the;unilay sewer system. Commercial establishments that may
discharge oil into the sanitary sewer system Will require an OR separator prior
to entering the sewer system.
S mh. 27705
COAL CREEK 7415 7416 128TH AVE. S.E.
�b UTILITY DI -STRiC { NEWCASTLE, WASHINGTON 98066
TELEPHONE: 236 -9200
A3 - cJ - 274 70-t SCANNED MAR 3.0; 200
ILL(
FEp 14
VAff)FtD CREST DIV. 2
JOB Nt1. 9901200
SHEET NCO.
5 OF 6
lot° V
77b
hi I
yN
o
I
z N
�I