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W-3, & W-28 (TYP).:
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PER STD. DETAIL NO. W-9 .
LO CATE VALVE BOX BEHIND SIDEWALK
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1 STA. 16+59, 6' LT i, _______ . ··-·-· _:_ 1-2" AIR VAC. VALVE ASSY '·
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LOCATE @ HIGH POINT
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WATER SERVICE CASING NOTE:
2" PVC CASING REQUIRED FOR SERVICE
LINE UNDER DRIVEWAY I SIDEWALK (TYP.).
SHEET INDEX
DESCRIPT ION
WATER PLAN
WATER PLAN -154TH AVE SE
STANDARD DETAILS
STANDARD DETAILS
CONSTRUCTION PROVISIONS
MATERIALS & SURFACE RESTORATION
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. PROVIDE 18LF OF 16" DI A. STEEL
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: PER DISTRICT
: REQU IRE MENTS
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BASE MAP PROVIDED BY CPH CONSULTANTS
LEGEND
ITEM EXISTING PROPOSED
LOT LINE
R.O .W. --------~--.... --------.. -----------·
EASEMENT ------
V " CONTOUR ------·---){)(X
CONCRETE CURB
STORM DRAIN --SD SD--
CATCH BASIN • [((!
SANITARY SEWER SS
SEWER MANHOLE 0 ..
UNDERGROUND POWER ----P ---p -- -----
OVERHEAD POWER -. -P-----P -
UNDERGROUND TELECOM ---T ---.. T -
GAS MAIN/SERVICE -----G----G-• . 'v./ 1111:···• LIGHT POLE •--.>-\
ELECTRICAL BOX ~ illl ii [J
ELECTR ICAL CABINET E8:l
FIRE HYDRANT .0.FH • WATER VALVE txl VV\i :m:
~ :P=i: ~ I{ = WATER FITIINGS
BLOWOFF ASSEMBLY
WATER DISTRICT NO. 90
WATER THRUST BLOCK ~
WATER MAIN (AC,Cl,D I) "' "'
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ADJUST WATER MAIN ELAVATION TO
PROVIDE CLEARANCE FOR FIRE
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(SE 139TH PL)
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CONCR ETE BLOCKING
SW-14-23-5
1463400021
STA. 84+52, 14' LT
AFTER PRESSURE & PURI TY TES T
ACCEPTANCE AND MAIN FLUSH ING
CUT IN TO EXISTING 8"DI w/
1-8" 45' BEND (MJxMJ)
(RO TA TE AS REQ'D)-
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PROVIDE 18LF OF 12" DIA.
STEEL CASING A T STORM CROSSING
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REMOVE EX. FH & SALVAGE TO DISTRICT.
CLOSE VALVE & RE MOVE VALVE BOX.
BURIED UTILITIES IN AREA
CALL BEFORE YOU DIG
1-800-424-5555
EXISTING UTILITIES SHOWN ARE FROM
THE BEST AVAILABLE IN FO RMATION AND
NO GUARANTEE IS MADE AS TO THE
EXACT SIZE. TYPE, LOCATION OR DEPTH.
\.!--·:.•"" ;-.~ ;///
... ·-·-~······-· ~-
ONSITE IMPROVEMENTS -SEE SHEET 1
BASE MAP PROVIDED BY CPH CONSULTANTS
GENERAL NOTES:
1. ALL WORK SHALL BE PERFORMED IN ACCORDANCE WITH THE SPECIF ICATIONS
AND STANDARD DETAILS OF WATER DISTR I CT NO. 90. THE SPEC IFICATIONS AND
STANDARD DETAILS MAY BE A SEPARATE SET OF DOCUMENTS, APART FROM
THESE DRAWINGS. A SET OF APPROVED PLANS SHALL BE KEPT ON SIT E AT ALL
TIMES DURING CONSTRUCTION.
2. THE OWNER SHALL FURNISH THE ENGINEER WITH A COPY OF THE APPROVED
ROAD GRADE, ROAD CROSS SECTION, AN D DRAINAGE PLAN PR IOR TO ANY
WATERMA I N CONS TRUCTION.
3. EX I ST ING U TILITI ES ARE SHOWN FROM THE BEST AVAI L ABLE INFORMA TI ON AND
NO GUARANTEE IS MADE AS TO THE EXAC T SIZE , TYPE, LOCA TI ON, OR DEPTHS.
4. PRIOR TO CONS TRUCTION OF ANY WA TERM Al NS, THE STREETS AND LOTS SHALL
BE STAKED AND THE CONTRACTOR SHALL LOCATE ALL EXISTING UTILITIES.
5 . A LL WORK IN STREET R I GHT -OF ~WAY TO BE IN ACCORDANCE WITH THE
REQUIREMEN TS OF THE ROAD ENGIN EER WITH JUR I SDICTION -EI THER KING
COUNTY OR THE CI TY OF REN TON.
6 . WA TERMAIN SHALL PASS UNDER STORM SEWER WHEN REQU IRED TO MA INT A IN
3 -FOOT MINIMUM COVER OV ER TOP OF WA TERMAIN 8-INCH AND SMALLER ( 4 -
FOO T MINIMUM FOR LARGER THAN 8 -INCH P IPE). TH ER E SHALL BE NO T LESS
THAN 18-INCH OF VERTICAL SEPARATION BETWEEN THE WATERMAIN AND THE
STORM SEW ER, OR CAS ING WILL B E REQU IRED.
7. WA TE R SERVICES SHA LL B E LOCATED A T LEAST 5 FEE T FR OM POWER VAULTS
HAND HOLES AND/OR LIGH T STANDARDS. SERVICES SHAL L BE INS TALLED BY
CONTRACTOR & WI LL BE L OCA TE D BY MUTUA L AGRE EMENT B ETWEEN OWNER,
DISTRIC T, A ND OTH ER UTI LI TY COMPAN IES.
8. FO LLOWING WATERMA IN CONSTRUCTION , ANY REVISI ON OF RO A DWAY OR
EASEMEN T GRADES REQU IRES THE MA INS TO BE RECONSTRUCTED BY THE
OWNER TO CON FORM TO THE SPECIFICA TIONS OF WATER DISTRICT No. 90. ALL
ADD ED COSTS OF INSPEC TI ONS FO R SUCH REVIS IONS WILL B E CHARGED TO THE
OWNER IN ADD ITION TO THE STANDARD CHARG E S, AND SH ALL B E PA ID BE F ORE
ACC EPTANCE BY WATER DI STRICT No. 90.
9. WA TER SERVICE CONNEC TI ON DETA IL S:
A. 2" x 4" WOOD MARKER PAINTE D B LU E AND IMPRINTED WI TH "WA TER" IN
BLACK LE TT ERS SHALL BE PLACED AT E ACH ANGLE STOP LOCATION WITH A
MINI MUM OF 18" OF TH E MAR K ER EXPOSED.
B. PAINT SERVIC E LOCATION ON CURB WITH COLOR AS DIREC TE D BY THE
ENGINEER.
C. PROPER TY CORNERS SHALL BE P INNED AND THERE SHAL L BE A REFERENC E
TACK PLACED IN THE CURB OR EDG E OF ASP H ALT.
10. THERE SHA LL BE A MIN IM UM OF 10-FOOT H OR IZ ON TA L SEPARATI ON BETWEEN
WATERMA IN S AND SAN ITARY SEWERS. VERT ICA L SEPARATION SHALL BE PER
THE DEPT. OF ECO LOGY CRITERIA FOR SEWAGE WORKS DESIGN MANUAL AND .
THE DEPT. OF HEATH WATER SYSTEMS DES IGN MA NUAL.
1463400016
ITEM
LOT LI NE
R.O.W.
EA SEMENT
CONTOUR
CONCRETE CURB
STO RM DRAIN
CATCH BASIN
SANITARY SEWER
SEWER MANHOLE
UNDERGROUND POWER
OVERHEAD POWER
UND ERGROUND TELECOM
GAS MAIN/SERVICE
LIGHT POLE
ELECTRICAL BOX
ELECTRICAL CABINET
FIRE HYDRANT
WATER VA L VE
WATER FITTI NGS
BLOWOFF ASSEMBLY
WATER THRUS T BLOCK
WATER MAI N (AC,Cl,DI)
WATER SERVICE/METER
2" TEMPORAR Y B.O. ASS'y·-~
8" DI UNDER STOR
\ PROVIDE 18LF OF 16 " DIA. STEEL
CASING AT STORM CROSSING PER STD DETAIL
' NO. W-30
146340 0015
1463400056
30 0 30 60
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SCALE IN FEET
LEGEND
EXISTING PROPOSED
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3295900290
WATER DISTRICT NO. 90
APPROVED
CONSTRUCT!
DRAWINGS: DATE: l1f<1,jJ--
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PLUGGED TEE OFFSET
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NOTES:
ADDITIONAL BLOCKING MUST BE PROVIDED IF
GATE VA LVE IS AT END OF LI N E DURING TESTING.
22 1 /2" BEND
NOTES:
11 1 /2" BEND THR UST BLOCK -TABLE
1. BEARING AREA CONCRETE THRUST -BLOCK BASED
ON 200 PSI PRESSURE AND SAFE SO IL BEARING
LOAD OF 2000 POUNDS PER SQUARE FOOT.
2. AREAS MUST BE ADJUSTED FOR OTHER SIZE PIPE,
PRESSURES & SOIL CONDlllONS.
3. CONCRETE BLOCKIN G SHALL BE CAST IN PLACE & HAVE
MINIMUM OF 1-1/4 SQUARE FOOT BEARING AGAINST THE
FlmNG AND BE POURED AGAI NS T FIRM UNDISTIJRBED SOIL.
4. BLOCK SHALL BEAR AGAINST FJmNGS ONLY & SHALL
BE CLEAR OF JOINTS TO PERMIT TAKING UP OR
DISMANTLING JOINT.
5. CONTRACTOR SHALL INSTALL BLOCK ING ADEQUATE TO
WITHSTAND FULL TEST PRESSURE AS WELL AS TO
CONTINUOUSLY WITHSTAND OPERATING PRESSURE UNDER
ALL CONDlllONS OF SERVICE.
6. CONTRACTOR TO PROVIDE 4 MIL MIN. THICKNESS
POLYETHYLENE SHEET BETWEEN CONCRETE BLOCK
AND FITTI NG.
7. ALL CONCRETE SHALL BE 2500 PSI.
PIPE
SIZE
4"
6"
8"
10"
12"
14"
16"
18"
20"
24"
MINIMUM BEARING AREA AGAINST
UNDISTIJRBED SO IL SQUARE FEET
A 8 c D E x
'11KI P~1
3 2 2 2 2 NONE
4 4 2 2 2 NONE
7 6 4 2 2 4
11 10 6 3 2 6
16 14 9 5 3 9
22 19 12 6 3 12
29 25 16 8 4 16
36 31 20 10 5 20
45 39 24 13 6 24
6 4 56 35 18 9 35
HORIZONTAL CONCRETE BLOCKING DETAIL
NTS
SIDEWALK
• USE RJ PIPE OR FlEl.D LOCK IF PIPE l..£NGTH BE1'11£EN
VAf.'1€.. AN D HYDRANT IS MORE THAN ONE STIC K OF PIPE.
VERTICAL OR
ROUED CURB f PVMT. MARKER
PER SPECS.
~,........,~---=-
VARIABLE
CL 52 6" D.I. PIPE •
RESlRAINED PER SPECS .
' ,r-18"-24" CAST IRON VALVE
/ BOX IN CITY OF RENTON,
SEE C.O.R . DWG. BR4S/PG.BD90
1/2 YARD, 1 1/4"
WASKED ROCK
CONCRETE THRUST BLOCK___/ .
4~K 8"K16" MIN CO NCR ElE BEARING BLOCK
FIRE HYDRANT ASSEMBLY RESIDENTIAL VERTICAL/ROLLED CURB
CONCRETE THRUST BLOCK
"x 8"x1B" MIN CONCRETE SEARING BLOCK
FIRE HYDRANT ASSEMBLY
CULVERT
FlRE HYDRANT
4" THICK ASPHALT
PAD: PER SPECS.
CULVERT PER
ROAD AGENCY
STANOAROS. W/
BEVELED ENDS
PLAN VIEW
FIRE HYDRANT ASSEMBLY GRAVEL SHOULDER
1. SURFACE TO BE LEVEL & UNIFOOl.ILY GRADED
AROUND HYDRANT (3' RADIUS)
2. ROCKERY T'l'PE RE TAINING WALl TO BE
PR0'<10ED 'llHERE NE CESSARY IN CUT OR FlU.
AREAS.
FIRE HYDRANT IN CUT
3'
FIRE HYDRANT IN FILL
FIRE HYDRANT LOCATION CUT OR FILL
VERTICAL BLOCKING
11 114· & 22 1 /2" BENDS
PIPE CLAMPS---~
& RODS
(SEE NOTE 4)
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VERTICAL BLOCKING 0 ~
FOR gp• BENDS
(SEE NOTE 6)
P IP E CLAMPS & RODS
(SEE NOTE 4)
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A
VERTICAL BLOCKI NG
FOR 45• BENDS
=
1. NO CHANGE IN PIPE DIRECT10N OR DIAM ETER SH ALL OCCUR
WITHIN 36 FEET OF THE VERTICAL BEND.
2. CONCRETE BLOCKING SIZES BASED ON:
-TI-1RUST BLOCK AREAS BASEO ON SAFE BEARING LOAD
OF 1,000 PSF.
-2,500 PSI CONCRETE.
-MINIMUM 3 FEET OF COVER.
-PIPE THRUST BASED ON 200 PSI P RESSURE.
-PIPE ENCASED IN POLYETHYLENE.
-VERTICAL BLOCK SIZE BASED ON 200 PSI PRESSU RE.
-TRENCH CONDITIONS BASED ON FLAT BOTTOM TRENCH WIIB
LIGHTLY CONSOLID A ITO BACK FI LL (TYPE 2), PER
ANSl/AWWA C150/A21.50.
-FACTOR OF SAFETY IS 1.5.
VERTICAL BLOCKING SIZE W/RESTRAINED JOINTS
SOIL TYPE = COHESIVE GRANU LAR [GC+SC]
SAND, GRAVE L, CLAY MIX1URE
PI PE V B CU FT A D L SIZE
11 1 /4" 8 2.0 ' 3/4" 1.5 '
4" 22 1 /2 11 2.2' 3/4" 2.0'
45· 30 3.1' 3/4" 2.0'
go· 16 2.5 ' 3/4" 2 .0'
6" 11 1/4" 11 2.2' 3/4" 2.0'
22 1/2 25 2.9' 3/4" 2.0'
45· 68 4.1' 3/4" 2.0'
go· 43 3.5' 3/4" 2 .0'
8" 11 1 /4" 16 2.5' 3/4" 2.0'
22 1/2 47 3.6' 3/4" 2.0'
45· 123 5.0' 3/4" 2.0'
90" 86 4.4' 3/4" 2.0'
12" 11 1 /4" 32 3.2' 3/4" 2.0'
22 1 ;2· 88 4.5' 7/8" 3.0'
45· 232 6.1' 3/4" 2.5'
90" 206 5.9 ' 1 1/8" 4.0'
16" 11 1 /4" 70 4 .1' 7/8" 3.0 '
22 1 /2' 184 5.7 ' 1-1 /8" 4.0'
45' 478 7.8' 1 -1 /8" 4.0'
*
*
*
*
-SOIL FR ICTIONAL RES ISTANCE BASED ON COHESIVE GRANULAR
SOI L TYPE (GC+SC). SAND, GRAVEL. CLAY MIXTIJRE.
3. BLOCKING DESIGN MUST BE ADJUSTED FOR
* 90" BENDS SHALL BE RESlRAINED JOINT AND
JO INTS SHALL RESTRAINED 36 FEET ON EACH
SIDE OF THE BEND.
Oll1ER SIZE P!PE, PRESSURES AND SOIL CONDlllONS.
4. PIPE CLAMP (HOT DI PPED GALVANIZED). ROOS
(STAINLESS STEEL ALL -THREAD 316SS)
5. LI NE SHAU. NOT BE PRESSURIZED UNTI L AU. TRENCH ING
W!TH\N 100 FEET OF VERTICAL BENO IS BACKFILLED AND
COMPACTED TO MINI MUM COVER OF J FEET OVER PIPE.
6. 90' VERTICAL BENDS SHALL ONLY BE INSTALLED 'M-IERE
GIVEN PRIOR APPROVAL BY THE UllUTY AND MUST RESTR AI NED .
7 . BACKFlll. TRENCH BEYOND 90" VERTICAL BLOCK WI TH
CRUSHED SURFAONG TOP COURSE MA1ERIAL COMPACTED TO
95" MAXIMUM DENSITY. CRUSHED BACKFILL SHALL EXTEND
20 FEET BEYOND BLOCK OR TO FIRM BEARING lRENCH WALL.
WHICHEVER IS LESS.
8. LEAVE BLOCK OPEN OR SHEETED 24 HOURS MINll.1UM.
VERTICAL CONCRETE BLOCKING DETAIL
INSTALL 30" C.I. VALVE
BOX WITHIN METER BOX
>-f-
[l'. w w
"-z 0 ::J
[l'.
"-
SWING JO INT
18"
VALVE MARKER
(SEE DETAIL)
POST~
N TS
12''TO 18"
TO SUIT SOLID CORE
B L OCK --~
\'. MAIN
METER BOX, FOG TITE NO. J20S CONCRETE BLOCKING
WITH HINGED, SPRING LOADED LATCH
IN LID OR EQUAL. LOCATE IN PAVING ,
COVER TO BE RE INFORCED FOR
H-20 LOADING, AND MARKED
"BLOWOF F"
VALVE MARKER POS T
(SEE DE TA IL)
PLAN (SEE BLOCKING DETAILS)
1. LOCATE B LOW -OFF AS CLOSE AS POSS IBLE TO MAIN .
2. ALL PIPE & FITTINGS BETWEEN MAIN & GATE VALVE
SHALL BE WATE RWO RKS BRASS CONFORMING TO AWWA CBOO.
3. THE GROUND WITHIN 3' RADIUS OF BLOW -OFF SHALL BE
GRADED UNIFOR MLY.
4. SWING JOINTS SHALL BE DOUBLE STREE T ELB .OWS OR 2 90'
BENDS & NIPPLES.
2" PLUG AND COUPLING
2" GALV IRON PIPE,
L ENGTH TO SUIT--~
SWING
2" GATE VALVE , W/2"
SQUARE OPERATING NUT
4" THICK CO NC. OR ASPHALT
PAD 2' AROUND BOX & VALVE
BOX
30" C.I. VALVE
BOX SWING JOINT
2" PIPE, LENGTH
TO SUIT
12"TO 18 "
ELEVATION
2"TAPPED CAP
2" BLOW OFF ASSEMBLY FOR (1) 6" AND SMALLER MAINS-OFF PAVING
9 N TS
36" MIN
1" TYPE K COPPER AS APPROVED BY
DISTRICT. EXPANSION LOOPS
MUST BE HELD FLAT AS POSSIBLE.
1s"(TYP)I
36" MIN
ROADWAY WITH DITCHES
ROADWAY WITH
CURB & GUTTER
_j
cL
[l'.
0
~
"'I
CORPORATION STOP
FORD FB 1 OOOxCTS GRIP
JOINT OR MUEL L ER
P-25008
WATER SERVICE SAD DLE
ROM AC 101
WATER MAIN
OR SMITH -BLAIR
NOTE:
1. COPPER LINE BETWEEN CORP STOP
& ANG LE STOP SHALL BE ONE P IECE (NO
FITTINGS)
2. ALL BRASS SHALL BE LEAD FRE E BRASS
3. SEE KCWD N0.90 S TA NDARD DETAIL 33-1 OR 33 -2 FOR
TYPICAL TRE N CH BEDDING , BACKFIL L AND RESTORA TION.
SERVICE SADDLE, CORP STOP
AND SERVICE LINE
TYPICAL ROADWAY SECTION
r FIBERGLASS 20/20
MESH SCREEN
2" D.I. NIPPLE
(HARCO OR
APPROVED EQUAL)
NTS
CO NCR ETE METER BOX FOGTITE
NO. 2 OR EQUAL w/ SOLID
CONCRETE COVER 17"x 28" 1.D.
TWO SECTIONS MI NIMUM , SET
TOP OF BOX FLUSH w/ GRADE
2" PLUG AND COUPLING
1'-o"
CLEAR
2" ASPHALT CLASS B
2" D.I. NIPPLE
(HARCO OR
APPROVED EQUA L)
FILL w/ ---f']
CEDAR SHAVINGS
FOR INSU LATION
2" COMBINATION AIR VALVE
(VALMATIC OR CR ISPI N)
...
1'-0"
SWIN G
JO INT
SL.~2-3%
SOLID CONCRETE
BEA RING BLOCK
2" GA TE VALVE w/ 2"
SQUARE OPERATING
NUT
.. , '
1'-0"
FI NIS H GRADE
4" CONCRETE
CLASS 3000
COLLAR
r----18"x 24" CAST IRO N z
VALVE BOX ~ ~
(EAST JORDAN i" Q
IRONWORKS) ;' '<
3' MAX . cn ~
en -
<! tl
2" PIPE
2" CORP. STOP,-~--1
(FORD FB500-7NL
MUELLER B2969 N) ~;tt~'°"
°' CL w en
> 0
()
i
"'
= 1. ALL FITTINGS SHA LL BE DUCTILE IRON
CONFORMING TO AWWA C100 OR BRASS
CONFORMING TO AWWA CBOO.
DO UBLE STIRAP SADDLE
(ROMAG 202S OR
SMITH-BLAIR 313, 2"1P T) WATERMAINS
12" & SMALLER
2. ALL HOR IZON TAL RUNS OF PIPE SHALL
BE D.I. OR BRASS EXCEPT WHERE
· OlliERWISE NOTED. ALL VERTICAL RUNS
SHALL BE D.I. OR BRASS EXCEPT WHERE
OlliERWISE NOTED. AL L 0.1. SHALL
CONFORM TO AWWA C100. ALL BRASS
SHAL L CONFORM TO A WWA CBOO.
3. SWING JOINTS SHA LL BE DOUBL E STREET
ELBOWS OR 2 90' BENDS & NIPPLES.
® 2" AIRNAC VALVE ASSEMBLY
18 N TS
1" ANGLE CHECK VALVE FORD
HA34-444 OR APPROVED
EQUAL PAC K JOINT
FORD A24 METER
ADAPTER
LID
1 "MIN -2"MAX. FROM INSIDE x
<(
:>: FRONT WALL OF METER BOX
(TYP ICAL FOR ALL SERVICES) __ ..,
b
I z
:>:
METER BOX w/-----1
READER LID "'
(SEE NOTES)
11 "
ANGLE STOP W/LOCK WING,
FORD BA43-444W BY CTS
GR IP JO IN T MUELLER
P-24258, 1"METER.
NOTE:
NOTES:
4'-1" TYPE K
COPPER
1" PACK JO INTx FI P T CPLG. _7
FORD C14-44 OR APPROVED
EQUAL. INSTALL THREADED
PLUG TO REMA IN UNTIL
SERVICE LINE FROM BUILDI N G
IS CONNECTED
1. DO NOT BACKFILL U NTIL AL L BRASS FITTINGS HAVE BEEN INSPECTED
BY THE DISTR ICT.
2. SERVICE SIZES ARE 1" UNLESS OTHERWISE DESCR IBED IN THE
SPEC IFICATIONS .
3. METER BOX SHALL BE:
A. IN AREAS WITH RO L LED CURB OR METER BOX IN DRIVEWAY, USE
CARSON HE AVYWA LL BO X #BCF-1324 WITH READER LID #BCF-1324-RLA
B. IN AREAS WITH VER TICAL CURB OR METER BOX BEH IND SIDEWALK,
USE CARSON STANDARD PLASTIC METER BOX #1220 -12L WITH
READE R LI D.
4. INSTALL WATER SERVICE MARKER POST ABOVE END OF SERVI CE TAIL-
P IECE . THE POST SHALL BE 2"x 4" WITH THE 18" ABOVE GRADE
PAINTE D BLUE ON A LL SIDES. STENC IL "WATER" IN 2" LE TTERS WITH
BLAC K PAINT.
TYPICAL SERVICE DETAIL ffi SINGLE SERVICE
NTS
BO
1 o· BLOW-O FF MARKER POST WILL
BE REQUIRED U NLESS BLOW-OFF
IS IN PAVEMENT.
BLOW-OFF ASSEMBLY
MARKER POST
6"
GV
1 o·
VALVE MARKER POST WILL BE
REQUIRED UN LESS VALVE IS IN
PAVEMENT AN D TO P OF VALVE
BOX IS AT FI NI SHED GRADE.
VALVE MARKER POST
MARKERS SHALL BE TR IVIEW FLEX 66 BLUE, NO. P69254, WITH WARNING
LABEL FOR VALVE SIZE AND DISTANCE TO VALVE, IN FEET A ND INCH ES.
LETTER SHALL BE 2" HIGH. MARKERS SHALL BE P L ACED AS DIRECTED BY THE
ENGINEER. MARK ERS SHALL BE SET TO LEAVE 18" EXPOSED ABOVE GRADE.
MARKER POST
N TS
WATER DISTRICT NO. 90
APPROVED
CONSTRUCT
DRAWINGS :
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*
STEEL CASIN\ ~D.I. PIPE-
~
CASING SPACER-!
' 1/2 MIN. CLEARANCE BET\.IEEN STEEL
CASING &. END BELL OF D.I. PIPE
CASING ~j
~
~ I /
J
*DEPTH PER APPLICABLE COUNTY /CITY REQUIREMENTS
NOTES:
CASING
SPACING TO BE~-
SAND FILLED
DJ. PIPE
STEEL CASING
(
SIZE AND MINIMUM THICKNESS OF CASING SHALL BE AS SHO\.IN ON THE
CONTRACT DRA\.IINGS. HO\.IEVER, THE CONTRACTOR SHALL BE RESPONSIBLE
FOR SELECTING THE THICKNESS CONSISTENT \./ITH HIS OPERATION.
CASING SEAL
MINIMUM 3/16' THICK, SHEET TYPE SYNTHETIC RUBBER \./ITH STAINLESS
STEEL BANDS .
00 PIPE CASING
30 NTS
HYDROS EED ALL DISTURBED
AREAS OF EX. GRASS LAWN.
PROVIDE 4" MIN. TH.
CRUSHED SURFAC ING IN
GRAVEL AREAS.
EX. GR ADE
SUITAB LE NA TI VE BACKFILL
MATERIAL OR APPROVED
IMPORTED BACKF IL L COMPACTED
TO MIN. 95% MOD.
PIPE BEDDING MATERIAL
SHA LL BE 5/8" MINUS
CRUSHED SUR FACING
TOP COURSE
NOTE:
IN PAVED AREAS
SEE NOTE 3
TRENCH WID TH
3' MAX.
1' MIN.
4 " MIN.
FINISH
GRADE
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1. ANY TRENCH TRANSVERSE TO THE RIGHT-OF-WAY SHALL BE BACKF ILLED WITH 100%
1)4"CRUSHED SURFACING BAS E CO URS E.
2. MINIMU M COV ER FOR 8" DI AM ETER WA TER MAINS SHALL BE 3'. MIN IMUM COVER FOR LARGER
THAN 8" DIAM ETER WATER MA INS SHALL BE 4'.
3. IN CITY OF RENT ON R.O. W:
2" ACP CLASS E OR B FOR RESID ENTIAL ACCESS STRE ET S OVER 6" CS TC (COM PACTED
THICKN ESS) TACK & SEAL MEET LI NES OR 6" ACP CLASS E OR B FOR ALL OTHER
STREETS OVER 6" CSTC (COMPACTED THICKNESS) TACK & SEAL MEE T LI NES OR PER
AP PROVED ROW PERMI T. COORDINATE WITH CITY OF RENTON INSPECTOR.
4. WA TER SER VI CES SHALL HAVE SAN D OR CS TC BEDDING AS DI RECTED BY DIS TRICT .
EID TYPICAL TRENCH DETAIL
33 NTS
/
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.
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3' x
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METER
METER
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OR
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ill. ~
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"' ._, .. ~1 ,.
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WITH SIDEWALK
IN R/W
OR
I" TYPE K COPPER
SERV1CE LINES
<D
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PLAN VIEW
METER
PROP. LINE
.·~ METER .. . ,. . ''
w c .. ~1 5' PERM. 4-U'.i ~-ESM T (T'IP)
MAX .
WITH SIDEWALK
IN ESMT
OR
Rw
METER
l'l§J '
E§j;]
METER
"' "' " 0
IRR.
METE R
1' MA X
~'
LOT
1'-s· OR
AS AP PRO VED
Ii
1'-5' OR
AS APPR OVED
LOT
r-1' MAX .
METER
PROP. LI NE
5' PERM .
ESMT (T'IP)
NO TES :
WITH SIDEWALK
AND PLANTER
I. WA TER SER VI CES SHALL BE LOCATED AT LEAS T 5· FROM
POWER VAUL TS, HAND HOLES AND/OR LIGHT STANDARDS.
2. CUSTOM ER SIDE OF METER BOX APPROXIMA TE LY 2"
INS IDE EAC H BOX.
@ METER BOX LOCATION
28 NTS
NOTES:
2" HMA PAVING
~SOIL PIPE
(LENGTH AS REQU IRED)
.,§~r-~FOAM RING
L
4 1/4" DIA. X
1 /8" MIN. TH ICKNESS
L, 1/<" wee ''"''°' "'~"""~' I /8' MINIMUM THI CKNESS
LENG TH AS REQUIRED TO PUT OPERATING NUT, 24"-30" FROM SURFACE.
EXTENSIONS AR E REQUIRED WHEN THE VALVE NUT IS MOR E THAN FOUR (4) FEET
BE LOW FINISHED GRADE. EXTENS IONS AR E TO BE A MINIMUM OF TWO (2) FEET
LONG. ONE EXTENSION IS TO BE USED PER VALVE.
AL L EX TENSIONS ARE TO BE MADE OF STEEL, SIZED AS NOTED, AND PAINTED
WIT H TWO (2) COA TS OF META L PA INT.
GD VALVE OPERATING NUT EXTENSION
36 NTS
----------·-----
WATER DISTRICT NO. 90
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CONSTRUCTION PROVISIONS
1. STANDARD SPECIFICATIONS
THE PROJECT IS TO BE BUil T AND CONSTRUCTED IN ACCORDANCE WITH THE CURRENT EDITION OF THE "STANDARD
SPECIFICATIONS FOR ROAD, BRIDGE, AND MUNICIPAL CONSTRUCTION," PREPARED JOINTLY BY THE WASHINGTON
STATE DEPARTMENT OF TRANSPORTATION AND THE WASHINGTON STATE CHAPTER OF THE AMERICAN PUBLIC
WORKS ASSOCIATION AS AMENDED REGULARLY BY THE WASHINGTON STATE DEPARTMENT OF TRANSPORTATION,
AND HEREINAFTER REFERRED TO AS THE "STANDARD SPECIFICATIONS,' EXCEPT WHERE HEREIN SUPPLEMENTED OR
MODIFIED IN THESE DOCUMENTS . IMPROVEMENTS IN KING COUNTY RIGHT-OF-WAY SHALL ALSO CONFORM TO THE
LATEST REVISION OF THE KING COUNTY ROAD STANDARDS. IMPROVEMENTS IN THE CITY OF RENTON SHALL
CONFORM TO THE LATEST REVISION OF THE CITY OF RENTON ROAD STANDARDS. IN CASES OF CONFLICT, THE
FOLLOWING SUPPLEMENTS AND MODIFICATIONS SUPERSEDE THE STANDARD SPECIFICATIONS.
2. TRAFFIC MAINTENANCE AND PROTECTION
ALL WORK SHALL BE PERFORMED WITH DUE REGARD FOR THE SAFETY AND CONVENIENCE OF THE PUBLIC AND SO
THAT INTERFERENCE WITH AUTOMOTIVE AND PEDESTRIAN TRAFFIC WILL BE MINIMIZED. FLAGGING PERSONNEL,
BARRICADES, SIGNS AND TRAFFIC CONTROL FURNISHED OR PROVIDED SHALL CONFORM TO THE STANDARDS
ESTABLISHED IN THE LATEST EDITION OF THE MANUAL ON UNIFORM TRAFFIC CONTROL DEVICES. ALL FLAGGERS
SHALL BE CERTIFIED AND CARRY IN THEIR POSSESSION A CARD THAT VERIFIES THEY HAVE SUCCESSFULLY
COMPLETED TRAINING TO BECOME A CERTIFIED FLAGGER. TRAFFIC MAINTENANCE AND PROTECTION SHALL BE PER
THE ROAD AGENCY STANDARDS AND ISSUED PERMITS.
3. CONFINEMENT OF CONTRACTOR'S OPERATIONS
THE CONTRACTOR SHALL CONFINE CONSTRUCTION ACTIVITIES WITHIN THE PROPERTY OF THE DEVELOPER AND THE
LIMITS OF EASEMENTS AND CONSTRUCTION/RIGHT-OF-WAY PERMITS OUTSIDE OF THE DEVELOPER'S PROPERTY.
ALL WORK ON EASEMENTS AND PERMIT AREAS OUTSIDE THE DEVELOPER'S PROPERTY SHALL BE PERFORMED IN
STRICT COMPLIANCE WITH THE PROVISIONS OF THE EASEMENT OR PERMIT.
ANY DAMAGE TO PROPERTY OR PERSONS FROM ANY ENCROACHMENT BEYOND THESE LIMITS SHALL BE THE
RESPONSIBILITY OF THE CONTRACTOR/DEVELOPER. EQUIPMENT AND MATERIALS STORAGE SHALL BE CONFINED TO
THE DEVELOPER'S PROPERTY. PIPE STRUNG ON PUBLIC RIGHTS-OF-WAY, IF ALLOWED BY THE ROAD AGENCY, SHALL
BE PLACED A SAFE DISTANCE FROM ANY TRAVELED ROAD IN SUCH MANNER AS TO AVOID ACCIDENTAL ROLLING
ONTO THE ROAD.
NO DRIVEWAYS SHALL BE BLOCKED. LIGHTED BARRICADES IN AN ADEQUATE NUMBER AND LOCATION PURSUANT TO
STATE, COUNTY AND LOCAL REGULATIONS SHALL BE PROVIDED.
4. PLANS AND SPECIFICATIONS ACCESSIBLE
THE DEVELOPER/CONTRACTOR SHALL HAVE ONE COPY OF THE PLANS AND SPECIFICATIONS CONSTANTLY
ACCESSIBLE ON THE JOB, INCLUDING THE WSDOT STANDARD SPECIFICATIONS.
5. TRENCH EXCAVATION, FOUNDATION, PIPE BEDDING, AND BACKFILL
THE CONTRACTOR SHALL EXCAVATE All MATERIALS ENCOUNTERED TO THE DEPTH SHOWN ON THE DRAWINGS AS
SPECIFIED, OR AS l)IRECTED BY THE ENGINEER.
THE TRENCH SHALL BE OVER-EXCAVATED 4-INCHES BELOW THE SPECIFIED GRADE. THE CONTRACTOR SHALL THEN
FURNISH AND PLACE A LAYER OF PIPE BEDDING MATERIAL PER SECTION 7-08.3(1) OF THE STANDARD
SPECIFICATIONS. AFTER THE PIPE IS IN PLACE, ADDITIONAL BEDDING MATERIAL SHALL BE PLACED AND TAMPED IN
PLACE AROUND THE PIPE UP TO A POINT ABOVE THE CROWN OF THE PIPE AS FOLLOWS:
WATER MAIN 4-INCHES OR LARGER: A MINIMUM OF 12 INCHES ABOVE THE CROWN OF THE PIPE. PIPE
BEDDING SHALL BE CRUSHED SURFACING TOP COURSE
WATER PIPE AND SERVICES 3-INCHES OR SMALLER: A MINIMUM OF 6 INCHES ABOVE THE CROWN OF THE
PIPE. PIPE BEDDING SHALL BE PEA GRAVEL OR SAND.
WHERE THE TRENCH BOTTOM IS IN A MATERIAL, WHICH IS UNSUITABLE FOR FOUNDATION, OR MATERIAL, WHICH WILL
MAKE IT DIFFICULT TO OBTAIN UNIFORM BEARING FOR THE PIPE, SUCH MATERIAL SHALL BE REMOVED AND A STABLE
FOUNDATION PROVIDED IN ACCORDANCE WITH PARAGRAPH 7-09.3(8) OF THE STANDARD SPECIFICATIONS.
UNLESS OTHERWISE STIPULATED IN THE PERMITS AND CONDITIONS OF THE GOVERNING AGENCY, TRENCH BACKFILL
ABOVE THE ZONE OF PIPE BEDDING SHALL BE AS FOLLOWS:
IN KING COUNTY RIGHT-OF-WAY AREAS: BOTH PARALLEL AND TRANSVERSE TRENCHES MUST MEET 95% OF
MAXIMUM DENSITY COMPACTION PER MODIFIED PROCTOR AS DESCRIBED IN SECTION 2-03.3(14)D OF
WSDOT/APWA STANDARD SPECIFICATIONS. TRENCH PARALLEL TO ROAD ALIGNMENT SHALL BE BACKFILLED
WITH SUITABLE NATIVE MATERIAL OR IMPORTED MINERAL SOIL MEETING THE REQUIREMENTS OF SECTION
9-03.14(3) OF THE WSDOT/APWA STANDARD SPECIFICATIONS FOR COMMON BORROW. TRENCH TRANSVERSE
TO ROAD ALIGNMENT SHALL BE BACKFILLED ENTIRELY WITH 1 Y." MINUS CRUSHED SURFACING BASE
COURSE MEETING THE REQUIREMENT OF SECTION 9-03.9(3) OF WSDOT/APWA STANDARD SPECIFICATIONS.
IN CITY OF RENTON RIGHT-OF-WAY AREAS: TRENCHES SHALL BE BACKFILLED WITH SUITABLE NATIVE
MATERIAL OR APPROVED IMPORTED BACKFILL MECHANICALLY COMPACTED TO 95% MAXIMUM DENSITY PER
MODIFIED PROCTOR. TRENCH TRANSVERSE TO THE RIGHT-OF-WAY SHALL BE BACKFILLED WITH 100% 1 Y."
MINUS CRUSHED SURFACING BASE COURSE.
6. COVER OVER PIPELINES
MAINS SHALL BE INSTALLED WITH A MINIMUM DEPTH OF COVER OF 36-INCHES FOR 8-INCH DIAMETER AND SMALLER
MAINS AND 48-INCHES FOR MAINS OVER 8-INCHES IN DIAMETER. EXCEPTIONS Will BE ALLOWED ONLY WITH THE
PRIOR APPROVAL OF THE ENGINEER.
7. SEPARATION OF PIPELINES
MINIMUM SEPARATION BETWEEN WATER MAINS AND SANITARY SEWERS:
VERTICAL: 18-INCHES; IF LESS THAN 18 INCHES THEN A CASING PIPE IS REQUIRED OR OTHER APPROVED
MEASURES
HORIZONTAL: 10 FEET
MINIMUM VERTICAL SEPARATION BETWEEN WATER MAINS AND ALL OTHER UTILITIES AND OTHER WATER MAINS
SHALL BE 6-INCHES WITH SAND CUSHION.
MINIMUM HORIZONTAL SEPARATION IN THE CITY OF RENTON BETWEEN WATER MAINS AND ALL OTHER UTILITIES
SHALL BE 5 FEET . HORIZONTAL SEPARATION IN OTHER JURISDICTION SHALL FOLLOW DOH REQUIREMENTS.
8. WATER METER LOCATIONS
WATER SERVICES SHALL BE LOCATED AT LEAST 5-FEET FROM POWER VAULTS, HAND HOLES, AND/OR LIGHT
STANDARDS AND NORMALLY WITHIN THE PUBLIC RIGHT-OF-WAY. IF LOCATED ON PRIVATE PROPERTY AN EASEMENT
IS REQUIRED.
9. CONNECTION TO EXISTING WATER MAINS
CONTRACTOR SHALL LEAVE EXISTING WATER LINES IN SERVICE UNTIL ACCEPTANCE OF THE NEW WATER LINES.
THE CONTRACTOR SHALL NOTIFY THE WATER DISTRICT OPERATIONS MANAGER AND OTHER UTILITIES AT LEAST
48-HOURS (TWO WORKING DAYS) IN ADVANCE OF ANY CONSTRUCTION AND MAKE THE NECESSARY ARRANGEMENTS
WITH THE WATER DISTRICT OPERATIONS MANAGER FOR THE CONNECTION TO THE EXISTING WATER MAIN. THE
CONTRACTOR SHALL NOT OPERATE ANY GATE VALVE OF THE WATER SYSTEM BEFORE OR DURING CONSTRUCTION
WITHOUT PRIOR APPROVAL OF THE WATER DISTRICT.
THE WATER DISTRICT OPERATIONS MANAGER MAY ELECT TO FURNISH THE MATERIAL, EQUIPMENT, AND LABOR
NECESSARY FOR MAKING THE CONNECTION AND THE CONTRACTOR SHALL PAY THE WATER DISTRICT ALL COSTS
FOR THE CONNECTION . IN THE EVENT THE WATER DISTRICT OPERATIONS MANAGER DOES NOT ELECT TO MAKE THE
CONNECTION, HE MAY AUTHORIZE THE CONTRACTOR TO FURNISH THE MATERIALS, EQUIPMENT, AND LABOR
NECESSARY FOR MAKING THE CONNECTION UNDER THE SUPERVISION OF THE WATER DISTRICT.
WORK SHALL NOT BE STARTED UNTIL ALL OF THE MATERIALS, EQUIPMENT, AND LABOR NECESSARY TO PROPERLY
COMPLETE WORK ARE ASSEMBLED ON THE SITE. ONCE WORK HAS STARTED ON A CONNECTION, IT SHALL PROCEED
CONTINUOUSLY WITHOUT INTERRUPTION AND AS RAPIDLY AS POSSIBLE UNTIL COMPLETED.
EXISTING MAINS SHALL BE THOROUGHLY CLEANED PRIOR TO CONNECTIONS. STEEL MAINS SHALL HAVE EXTERIOR
COATINGS REMOVED PRIOR TO GASKET INSTALLATION. UPON COMPLETION, ALL EXPOSED METAL SURFACES SHALL
BE RECOATED WITH VERSIL-PAK, GRADE 3 PROTECTIVE WRAPPING, OR APPROVED EQUIVALENT FOR CORROSION
PROTECTION.
10. BLOCKING
ALL FITTINGS ARE TO BE BLOCKED WITH POURED CONCRETE AGAINST UNDISTURBED SOIL WITH SUFFICIENT
CONCRETE AND 3/4-INCH ANCHOR RODS, IF REQUIRED, TO RESIST THE RESULTANT FORCES. BLOCKING SHALL
PROVIDE FOR REMOVAL OF ANY CONNECTION TO THE FITTING WITHOUT DAMAGE TO THE FITTING. WHERE
UNFAVORABLE GROUND CONDITIONS ARE ENCOUNTERED, SPECIAL BLOCKING WILL BE REQUIRED AS DIRECTED BY
THE ENGINEER IN THE FIELD. WHEN DIGGING NEAR FITTINGS OF EXISTING PIPELINES, TEMPORARY BLOCKING SHALL
BE INSTALLED TO PREVENT BLOWOUTS. INSTALL PLASTIC SHEETING BETWEEN THE FITTING AND BLOCK. SEE
STANDARD DETAIL 1-1AND1-2 FOR THRUST BLOCKING REQUIREMENTS.
THE USE OF MANUFACTURED CONCRETE ANCHORS IS ACCEPTABLE.
11. WATER WORKS TESTING
TESTING OF LINES SHALL BE IN ACCORDANCE WITH SECTION 7 OF THE STANDARD SPECIFICATIONS. MINIMUM TEST
PRESSURE SHALL BE 250 PSI AT 15-MINUTES WITH NO BLEED OFF ALLOWED.
DISINFECTION SHALL BE PER SECTION 7-09.3(24) OF THE STANDARD SPECIFICATIONS OR PER AWWA C651.
DECHLORINATION SHALL BE WITH ASCORBIC ACID. SODIUM THIOSULFATE SHALL NOT BE ALLOWED .
12. REPAIR OF PIPELINE FAILURES
BROKEN OR OTHERWISE DEFECTIVE PIPE SHALL BE REMOVED AND REPLACED. REPAIR BANDS OR CLAMPS SHALL
NOT BE USED TO REPAIR BROKEN PIPE.
13. JACKED CROSSING
AT LOCATIONS SHOWN ON THE DRAWINGS, WATER MAIN CROSSINGS OF ARTERIAL STREETS SHALL BE MADE BY
JACKING, DRIVING, OR AUGURING A STEEL CASING PIPE BENEATH THE SURFACE. STAKING REQUEST TO THE
ENGINEER SHALL BE MADE A MINIMUM OF FIVE (5) WORKING DAYS PRIOR TO THE BEGINNING OF EXCAVATION OF THE
BORE PIT. JACK CASING SHALL BE LAID AT THE SPECIFIED GRADE AND ALIGNMENT WHILE MAINTAINING CLEARANCE
IF CASING DOES NOT PROVIDE THIS IT SHALL BE ABANDONED, FILLED, AND A NEW CASING INSTALLED TO MEET THIS
LINE AND GRADE REQUIREMENT. NO OPEN EXCAVATION SHALL BE MADE CLOSER THAN 6-FEET FROM THE EDGE OF
PAVEMENT. DIAMETER OF CASING PIPE SHALL BE SUFFICIENT TO WITHSTAND INSTALLATION FORCE AND HIGHWAY
LOADING. IT SHALL NOT HAVE LESS THAN 1/4-INCH WALL THICKNESS.
WATER PIPE SHALL BE INSTALLED ADJUSTED TO GRADE WITH CASING SPACERS. AFTER THE WATER PIPE HAS BEEN
ADJUSTED TO GRADE, MOIST SAND SHALL BE TAMPED INTO THE CASING PIPE SO THAT ALL VOIDS WILL BE FILLED,
AND THEN THE ENDS OF THE CASING SHALL BE SEALED WITH END SEAL BOOTS.
14. WATER SUPPLY
WATER SUPPLY FOR FILLING, TESTING, AND FLUSHING OF THE NEW MAINS WILL BE AVAILABLE FROM THE EXISTING
DISTRIBUTION SYSTEM; HOWEVER, THE CONTRACTOR WILL BE BILLED BY THE WATER DISTRICT FOR THE WATER
USED AT THE CURRENT BULK WATER RATE PER 100 CUBIC FEET. FIRE HYDRANT METER AND DOUBLE CHECK VALVE
FOR FILLING AND FLUSHING THE MAIN SHALL BE RENTED FROM THE DISTRICT OFFICE.
THE CONTRACTOR SHALL BE RESPONSIBLE FOR FLUSHING THE PIPELINE AND SHALL FURNISH ALL LABOR,
EQUIPMENT, AND MATERIALS NECESSARY TO ACCOMPLISH THE WORK.
FLUSHING SHALL BE DONE UNDER THE SUPERVISION OF WATER DISTRICT NO. 90, WHOM THE CONTRACTOR SHALL
NOTIFY NOT LESS THAN 24-HOURS IN ADVANCE.
15. EXISTING UTILITIES
THE CONTRACTOR SHALL BE RESPONSIBLE FOR LOCATING ALL EXISTING UTILITIES WELL ENOUGH IN ADVANCE OF
THE EXCAVATION TO PREVENT DAMAGE DURING CONSTRUCTION. THE CONTRACTOR SHALL BE RESPONSIBLE FOR
ANY DAMAGE WHATSOEVER RESULTING FROM HIS OPERATIONS ON THE PROJECT.
16. ZONE VALVE
IF A ZONE VALVE IS CREATING A DEAD END ON BOTH SIDES THEN A BLOW-OFF MUST BE ADDED ON BOTH SIDES OF
THE ZONE VALVE.
17. DISINFECTION
ALL DISINFECTION OF PIPE SHALL BE PER AWWA C651, CURRENT EDITION. THE CONTRACTOR SHALL SWAB DOWN ALL
PIPE AND FITTINGS WITH A BLEACH SOLUTION PRIOR TO INSTALLATION PER AWWA C651. 1/4 CAP OF GRANULAR HTH
CHLORINE PER STICK OF PIPE OR ONE CALCIUM HYPOCHLORITE TABLET (STICK TAB) PER STICK OF PIPE IS REQUIRED
FOR DISINFECTION.
18. PIPE ABANDONMENT
FOR ABANDONMENT OF STEEL OR Cl PIPES, PLUG BOTH ENDS OF ABANDONED PIPE. FOR ABANDONMENT OF AC
PIPES, THE CONTRACTOR SHALL OBTAIN AN AC PIPE .WAIVER FROM THE GOVERNING ROAD AGENCY; OTHERWISE, IT
SHALL BE REMOVED AND PROPERLY DISPOSED. FOR ABANDONMENT OF SERVICES, REMOVE CORPORATION STOP
AND PLUG SADDLE. THE CONTRACTOR SHALL NOTIFY THE WATER DISTRICT OPERATIONS MANAGER AT LEAST 48-
HOURS (TWO WORKING DAYS) IN ADVANCE OF SERVICE ABANDONMENT FOR SCHEDULING AND CUSTOMER
NOTIFICATION.
WATER DISTRICT NO. 90
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MATERIALS
1. DUCTILE IRON Pf PE
PIPE SHALL BE NEW 1116-INCH CEMENT MORTAR-LINED, SEAL-COATED, THICKNESS CLASS 52 CONFORMING TO THE
CURRENT EDITION STANDARD SPECIFICATIONS SECTION 9-30 .1 (1) UNLESS NOTED ELSEWHERE ON THE PLANS.
JOINTS SHALL BE PUSH-ON TYPE WITH RUBBER GASKET, WHICH FITS INTO AN ANNULAR GROOVE. JOINTS AT VALVES
OR FITTINGS MAY BE MECHANICAL JOINT OR FLANGED DEPENDING ON SPECIFICATION AND DRAWING
REQUIREMENTS.
PIPE SHALL BE U.S . PIPE , ACIPCO, GRIFFIN , OR PACIFIC STATES.
2 . POLYETHYLENE ENCASEMENT
ALL MAINS SHALL BE FULLY WRAPPED WITH 8-MIL POLYETHYLENE PER ANSl/AWWA C105.
3. FITTINGS
FITTINGS FOR DUCTILE IRON PIPE SHALL CONFORM TO SECTION 9-30.2(1) OF THE STANDARD SPECIFICATIONS AND
MAY BE FLANGED , MECHANICAL, OR PUSH-ON AS REQUIRED. RESTRAINED MECHANICAL JOINTS TO BE MEG-A-LUG,
MANUFACTURED BY EBBA IRON, INC. FIELD-LOK GASKETS MAY BE USED IF SPECIFIED ON THE DRAWINGS OR
DIRECTED BY THE ENGINEER.ONLY DI OR BRASS FITTINGS ALLOWED.
DI FITTINGS SHALL BE TYLER, TYTON, OR HARCO. TRANSITION COUPLINGS AND SADDLES SHALL BE ROMAG OR SMITH
& BLAIR.
BRASS FITTINGS SHALL BE MUELLER OR FORD . ALL BRASS SHALL BE LEAD-FREE.
4 . FIRE HYDRANTS
FIRE HYDRANTS SHALL BE CLOW MEDALLION, MUELLER CENTURION 250, OR M&H 929 AND CONFORM TO THE LATEST
REVISION OF AWWA C502, EXCEPT AS HEREIN MODIFIED. HYDRANT SHALL HAVE A MINIMUM OF 5 114-INCH MAIN
VALVE OPENING AND A 6-INCH MECHANICAL JOINT/OUTLET.
HYDRANT RUNS SHALL BE RESTRAINED FLANGED PIPE A) SHORT RUNS ONLY, B) TWO 314-INCH DIAMETER TIE RODS,
OR C) MEG-A-LUGS . FURNISH A 6-INCH AUXILIARY GATE VALVE FLANGED TO MAIN TEE WITH A VALVE BOX AND A ·
RISER TO SUIT TRENCH DEPTH AT EACH INSTALLATION. HYDRANT SHALL BE FURNISHED W ITH BREAK-OFF FLANGE ON
BARREL AND BREAK-OFF COUPLING FOR THE STEM.
THE HYDRANT SHALL BE FURNISHED WITH TWO 2 1/2-INCH HOSE CONNECTIONS WITH NATIONAL STANDARD THREADS
AND ONE 4-INCH PUMPER CONNECTION WITH SEATTLE THREADS, (#475) ALL PORT END CAPS SHALL BE 1 114-INCH.
OPERATING NUTS SHALL BE 1 114-INCH AND SHALL TURN COUNTERCLOCKWISE TO OPEN.
NOZZLE SHALL BE FITTED WITH RENEWABLE BRONZE NIPPLES LOCKED IN PLACE . ALL HYDRANTS SHALL BE PAINTED
WITH TWO TOP COATS OF FARWEST CASE YELLOW PN NO. X3472 PAINT . HYDRANTS SHALL BE EQUIPPED WITH A
4-INCH SEATTLE THREAD (#475) BY 5-INCH LOCKING STORZ ADAPTER MEETING OR EXCEEDING THE FOLLOWING
SPECIFICATIONS:
A. STORZ ADAPTER TO BE FORGED AND/OR EXTRUDED 6061-T6 ALUMINUM ALLOY, HARDCOAT ANODIZED.
B. THREADED PORTION TO HAVE NO LUGS AND TWO SET SCREWS 180' APART.
C. STORZ FACE TO BE METAL, NO GASKET TO WEATHER.
D. STORZ CAP SHALL BE FORGED AND/OR EXTRUDED 6061-T6 ALUMINUM ALLOY WITH ANODIZED HARDCOAT AND
SYNTHETIC MOLDED RUBBER GASKET.
E . STORZ CAP TO BE ATTACHED TO HYDRANT ADAPTER WITH 118-INCH COATED STAINLESS STEEL AIRCRAFT
CABLE.
F. CAP TO BE CONNECTED AND DISCONNECTED WITH STORZ WRENCHES ONLY. TORQUE TO BE SUFFICIENT SO
CAP CANNOT BE REMOVED BY HAND.
G. REMOVE ALL CHAINS.
BLUE REFLECTIVE MARKERS SHALL BE TYPE 1 AS DESCRIBED IN SECTION 9-21 .1 OF THE STANDARD SPECIFICATIONS ,
SHALL MEETTHE REQUIREMENTS OF UNIFORM FIRE CODE (UFC) SECTION 1001 .8. THE HYDRANT SHALL BE
STENCILED IN 2" HIGH LETTERS WITH THE DISTANCE TO THE FOOT VALVE IN FEET AND INCHES. SEE STANDARD
DETAILS #4, #5, AND #6.
5 . FIRE HYDRANT GUARD POSTS
GUARD POSTS, WHERE INDICATED, SHALL CONFORM TO THE STANDARD DETAILS AND BE BURIED TO A MINIMUM
DEPTH OF 3-FEET. GUARD POSTS SHALL BE SET WITH THEIR TOPS AT THE SAME ELEVATION AS THE BONNET FLANGE
OF THE HYDRANT.
THE EXPOSED PORTION OF THE GUARD POSTS SHALL BE PAINTED WITH TWO TOP COATS OF FARWEST CASE
YELLOW PN NO. X3472 PAINT. GUARD POSTS SHALL ONLY BE INSTALLED WHERE DIRECTED BY ENGINEER OR
DISTRICT.
6. CUT-IN CONNECTIONS
ALL CUT-IN CONNECTIONS SHALL USE TWO SLEEVES. THE USE OF "WEDDING RINGS" WILL NOT BE ALLOWED.
7. WET TAPS
TAPPING SLEEVE SHALL BE ROMAG "SST" STAINLESS STEEL TAPPING SLEEVE WITH FULL COVERAGE RUBBER
GASKET OR APPROVED EQUAL.
VALVE SHALL BE A RESILIENT SEATED VALVE MADE FOR TAPPING, U .S. PIPE METROSEAL 250 . SUBMITTALS REQUIRED
FOR ALL WET TAP MATERIALS.
NO WET TAP SHALL BE MADE WITHIN 2-FEET OF THE END OF THE PIPE SEGMENT BEING TAPPED.
BRICK BLOCKING SHALL BE USED UNDER ALL VALVES FOR SUPPORT AND A FOAM RING SHALL BE USED AS CUSHION
BETWEEN THE VALVE AND VALVE BOX. BLOCKING SHALL BE PROVIDED BEHIND THE TAPPING SLEEVE PER STANDARD
DETAIL 1-1 .
8. GATE VALVES
GATE VALVES SHALL BE BRONZE-MOUNTED RESILIENT SEAT WEDGING DEVICES AND SHALL MEET THE
REQUIREMENTS OF AWWA C515-01 (DUCTILE IRON BODY AND BONNET) AND C550-05. VALVES SHALL HAVE AN 0-RING
STUFF ING BOX. VALVE END CONNECTIONS MAY BE FLANGED, MECHANICAL JOINT OR PUSH-ON AS REQUIRED . VALVE
STEM EXTENSIONS WITH PLATE WELDED TO OPERATING NUT WILL BE REQUIRED WHERE OPERATING NUT IS MORE
THAN 4-FEET BELOW SURFACE. THE VALVE STEM EXTENSION TOP SHALL BE INSTALLED WITHIN18-INCHES TO
24-INCHES BELOW FINISH GRADE .
GATE VALVES SHALL BE KENNEDY, M&H, OR MUELLER.
A FOAM RING SHALL BE USED AS CUSHION BETWEEN THE VALVE AND VALVE BOX.
INSTALL BLOW-OFF ON EITHER SIDE OF ANY CLOSED VALVE OR ZONE VALVE .
-----------------___ . ----~-
9. AIRNAC
AIR/VAC VALVE SHALL BE VALMATIC OR CRISPIN. SEE STANDARD DETAILS 16 AND 18. AIR/VAC CAN BE FIELD LOCATED
AT HIGH POINT.
HARCO DI NIPPLES AND FITTINGS MAY BE USED INSTEAD OF BRASS. GALVANIZED PIPING IS NOT ALLOWED. ONLY DI
OR BRASS NIPPLES AND FITTINGS WILL BE ALLOWED .
10. VALVE MARKER POSTS
VALVE MARKER POSTS SHALL BE FURNISHED AND INSTALLED AS DIRECTED . MARKER POSTS SHALL BE TRIVIEW FLEX
66 BLUE, NO . P69254, WITH WARNING LABEL GIVING THE FOLLOWING INFORMATION: THE SIZE OF THE VALVE (E.G .
6-INCH GATE VALVE), AND THE DISTANCE IN FEET AND INCHES TO THE VALVE. THE LETTER SIZE SHALL BE 2-INCH
HIGH.
MARKERS SHALL BE PLACED AS DIRECTED BY THE DISTRICT. MARKERS SHALL BE SET TO LEAVE 18-INCHES
EXPOSED ABOVE GRADE. SEE STANDARD DETAIL #7.
11. VALVE BOX
CAST IRON VALVE BOX WITH LID MARKED "WATER'', 4-INCH DEEP TAPERED VALVE BOX COVER, VALVE BOX TOP AND
VALVE BOX BOTTOM FROM EAST JORDAN GROUP INC., SHALL BE USED.
EACH BOX SHALL BE ADJUSTED TO MATCH THE FINISH GRADE TO THE VALVE LOCATION. VALVE BOX COVERS SHALL
BE PAINTED BLUE AS DESIGNATED BY THE WATER DISTRICT.
ORIENT THE VALVE BOX SO THE "EARS" ARE SET THE SAME AS THE PIPE DIRECTION. VALVE BOXES SHALL BE RAISED
TO GRADE FOR FINAL OVERLAY. NO RISERS ALLOWED .
PROVIDE 4-INCH THICK BY 4-FOOT WIDE ASPHALT OR CONCRETE COLLAR AROUND VALVE BOX COVERS IN
UNIMPROVED AREAS, LANDSCAPE AREAS, AND EASEMENTS.
FOAM RING SHALL BE USED AS CUSHION BETWEEN THE VALVE AND VALVE BOX.
VALVE BOXES SHALL BE EAST JORDAN IRON WORKS (EJIW) 8555 VALVE BOX TOP WITH EJIW 6800 VALVE BOX COVER.
12 . CRUSHED SURFACING
CRUSHED SURFACING SHALL CONFORM TO THE REQUIREMENTS OF SECTION 9-03.9(3) OF THE STANDARD
SPECIFICATIONS (WSDOT). CRUSHED SURFACING TOP COURSE (CSTC) SHALL BE 5/8-INCH MINUS AND CRUSHED
SURFACING BASE COURSE (CSBC) SHALL BE 1 1/4-INCH MINUS.
13 . BACKFILL GRAVEL
BACKFILL GRAVEL SHALL BE SUITABLE NATIVE MATERIAL, FINELY DIVIDED EARTH FREE FROM STONES LARGER THAN
2-INCHES IN DIAMETER OR CRUSHED SURFACING OR BANK RUN GRAVEL, AS DIRECTED, IF NATIVE IS NOT SUITABLE
PER ROAD AGENCY.
14 . ASPHALT CONCRETE PATCH
ASPHALT CONCRETE PATCH AND RESTORATION SHALL BE PER THE GOVERNING ROAD AGENCY'S STANDARDS AND
PERMIT REQUIREMENTS.
15 . SERVICE TAP
SERVICE TAPS 1 112-INCHES OR LARGER SHALL BE IRON PIPE WITH ROMAG OR SMITH & BLAIR DOUBLE STRAP
SERVICE SADDLE. SEE STANDARD DETAIL 21.
SURFACE RESTORATION
GENERAL
ALL UNPAVED SURFACES SHALL BE RESTORED TO A CONDITION EQUAL TO THAT, WHICH EXISTED PRIOR TO
CONSTRUCTION.
ALL TREES, SHRUBS, AND ANY IMPROVEMENTS SHALL BE SAVED, RELOCATED, OR REPLACED BY CONTRACTOR UNLESS
SPECIFICALLY NOTED OTHERWISE ON THE DRAWINGS OR IN EASEMENT STIPULATIONS. PRE-CONSTRUCTION
PHOTOGRAPHS SHALL BE USED TO APPROVE RESTORATION.
CLEANUP
BEFORE THE WORK SHALL BE CONSIDERED COMPLETE, THE DEVELOPER/CONTRACTOR SHALL CLEAN OUT DITCHES
THAT MAY HAVE BEEN FILLED DURING THE WORK, REPLACE DAMAGED SURFACING, REMOVE SURPLUS MATERIALS AND
TRASH AND DISPOSE OF BRUSH, REPAIR ALL DAMAGES, AND OTHERWISE LEAVE THE WORK SITE/AREA IN A NEAT,
ORDERLY, AND WORKMANLIKE CONDITION. DUST CONTROL SHALL BE PROVIDED DURING THE PROGRESS OF THE WORK
AND DURING CLEANUP.
THE CONTRACTOR SHALL KEEP EXISTING ROADS, STREETS ADJACENT TO OR WITHIN THE LIMITS OF THE PROJECT,
OPEN TO AND MAINTAINED IN A GOOD, AND SAFE CONDITION FOR TRAFFIC AT ALL TIMES PER THE DISTRICT, CITY OF
RENTON, OR KING COUNTY REQUIREMENTS. THE CONTRACTOR SHALL REMOVE, ON A DAILY BASIS, ANY DEPOSITS, OR
DEBRIS THAT MAY HAVE ACCUMULATED ON THE ROADWAY SURFACE AS A RESULT OF CONSTRUCTION OPERATIONS.
REMOVAL SHALL BE PERFORMED ON A MORE FREQUENT BASIS SHOULD THE DISTRICT DETERMINE THAT SUCH
REMOVAL IS NECESSARY.
LANDSCAPING
LANDSCAPE RESTORATION SHALL BE PERFORMED BY CONTRACTOR USING THE SERVICES OF A QUALIFIED LANDSCAPE
GARDENER WHOSE PRINCIPAL BUSINESS IS THIS TYPE OF WORK. WHERE ORNAMENTAL TREES AND SHRUBBERY ARE IN
THE WORK AREA, THEY SHALL BE CAREFULLY REMOVED WITH THE EARTH SURROUNDING THEIR ROOTS WRAPPED IN
BURLAP AND REPLANTED IN THEIR ORIGINAL POSITIONS WITHIN 4 DAYS. WORK MAY BE REQUIRED TO BE HALTED
ELSEWHERE ON THE PROJECT TO ENSURE THIS WORK IS DONE IN A TIMELY MANNER .
TREE AND SHRUBBERY REMOVAL AND TRANSPLANTING WILL BE DONE ONLY BY A LANDSCAPE GARDENER.
ORNAMENTAL TREES AND SHRUBBERY MUST BE PROTECTED , BUT IF THROUGH SOME UNAVOIDABLE SITUATION SUCH
TREES OR SHRUBBERY ARE DESTROYED OR DAMAGED, WHETHER IN PUBLIC OR PRIVATE PROPERTY, THEY SHALL BE
REPLACED BY CONTRACTOR WITH MATERIAL OF EQUAL QUALITY AND NO ADDITIONAL COMPENSATION WILL BE
ALLOWED FOR SUCH REPLACEMENT.
CONTRACTOR SHALL TAKE EVERY PRECAUTION TO PROTECT EXISTING ORNAMENTAL TREES THAT ARE NOT REMOVED.
PROTECTION MAY INCLUDE TYING BACK EXISTING LIMBS WHERE NECESSARY FOR WORK ROOM. SUCH TYING BACK
SHALL BE DONE CAREFULLY TO AVOID BREAKAGE OR OTHER LIMB DAMAGE.
NO LIMBS SHALL BE REMOVED OR TRIMMED WITHOUT THE WRITTEN PERMISSION OF THE PROPERTY OWNER, WITH A
COPY OF SUCH PERMISSION GIVEN TO OWNER. IF SUCH REMOVAL OR TRIMMING IS APPROVED IN WRITING , IT SHALL BE
PERFORMED IN A PROFESSIONAL MANNER BY A QUALIFIED LANDSCAPE GARDENER.
----------
EROSION CONTROL
CONTRACTOR SHALL EXERCISE ALL NECESSARY PRECAUTIONS THROUGHOUT THE LIFE OF THE CONTRACT TO
PREVENT POLLUTION, EROSION , SILTATION , AND DAMAGE TO ANY WATERCOURSES.
CONTRACTOR SHALL COMPLY WITH THEIR TESC PLAN(S) AS APPROVED BY THE GOVERNING ROAD OR LAND USE
AGENCY OF JURISDICTION.
WHEN THE TEMPORARY CONTROL FACILITIES ARE NO LONGER NEEDED, THEY SHALL BE REMOVED AND THE AREAS
RESTORED TO A CONDITION BETTER T HAN OR EQUAL TO THEIR ORIGINAL CONDITION.
IN THE EVENT THAT A SUSPENSION OF WORK IS ORDERED FOR AN EXTENDED PERIOD OF TIME CONTRACTOR SHALL
TAKE ALL ACTION NECESSARY TO CONTROL EROSION, POLLUTION, AND RUN -OFF DURING THE SHUTDOWN PERIOD, AND
COORDINATE WITH THE PERMITTING AGENCY OF JURISDICTION.
RESTORATION
WITHIN KING COUNTY:
RESTORATION SHALL BE PER KCC 16.82, KING COUNTY PERMITS, AND AS DIRECTED BY THE KING COUNTY INSPECTOR.
WITHIN CITY OF RENTON :
RESTORATION SHALL BE PER CITY OF RENTON UTILITY PERMIT OR CONSTRUCTION STANDARDS, AND AS DIRECTED BY
THE KING COUNTY INSPECTOR.
LAWN (CULTIVATED):
IN AREAS WHERE EXISTING LAWNS ARE DISTURBED, THE LAWNS SHALL BE REPLACED WITH A MINIMUM OF 4-INCHES OF
NEW TOPSOIL AND EITHER EXISTING OR NEW SOD TO MATCH THE REMOVED SOD. RESEEDING WILL NOT BE ALLOWED,
EXCEPT WITH OWNER PERMISSION DURING SPECIFIC MONTHS.
LAWN (UNCULTIVATED), PASTURE OR VACANT LAND:
UNCULTIVATED LAWNS, PASTURE, AND VACANT LAND SHALL BE RESTORED WITH A PASTURE GRASS IN ADDITION TO
THE PROTECTION, RESTORATION, OR REPLACEMENT OF ANY IMPROVEMENTS OR TREES OTHERWISE CALLED FOR.
DISTURBED AREAS SHALL NOT BE LEFT UNPROTECTED FOR LONG PERIODS. TEMPORARY SEEDING, COVERING, OR
OTHER PROTECTION SHALL BE USED AS REQUIRED.
PREVIOUSLY ESTABLISHED GRADES CONFORMING TO THE REQUIREMENTS OF THE DRAWINGS SHALL BE MAINTAINED IN
A TRUE AND EVEN CONDITION. IF NECESSARY, REPAIRS SHALL BE MADE BEFORE SEEDING.
THE SURFACE TO BE SEEDED SHALL BE CLEARED OF STONES OR OTHER DEBRIS LARGER THAN 1-INCH. THE TOP
4-INCHES SHALL BE CULTIVATED BY RAKING OR ROTOTILLING AFTER ALL COMPACTION AND PRIOR TO SEEDING. THE
ENGINEER SHALL APPROVE THE SURFACE BEFORE BEGINNING SEEDING OPERATIONS.
SEED MIX FERTILIZER AND MULCH SHALL BE HYDROSEEDED WITH APPROPRIATE EQUIPMENT UPON APPROVAL OF THE ' ' SEEDBED.
APPROPRIATE QUANT ITIES OF SEED , FERTILIZER, AND MULCH SHALL BE COMBINED WITH THE PROPER AMOUNTS OF
WATER TO ENSURE THE UNIFORM COAT SPRAYED ON THE SOIL ACCOMMODATES THE FOLLOWING RATES:
SEED MIX: 40% PERENNIAL RYEGRASS
10% WHITE CLOVER
30% FESCUE
20% RED CREEPING FESCUE
APPLY AT THE RA TE OF 100 POUNDS PER ACRE.
MULCH: SILVA-FIBER MULCH APPLIED AT FROM 1,500 POUNDS TO 2,000 POUNDS PER ACRE.
FERTILIZER: COMMERCIAL MIX 10120120 OF NITRATE, PHOSPHATE, AND POTASH APPLIED AT RATE OF 450 POUNDS
PER ACRE.
METHOD OF APPLICATION AND PROPORTIONS OF SEED MIX MAY BE REVISED TO SUIT TYPE OF SOIL AND TIME OF YEAR,
PROVIDED PRIOR APPROVAL IS GIVEN BY ENGINEER.
CONTRACTOR SHALL PROTECT AND MAINTAIN NEWLY SEEDED AREAS. WHERE SEEDED AREAS FAIL TO DEVELOP AFTER
NORMAL ALLOWANCE FOR GERMINATION, CONTRACTOR SHALL RE-SEED.
WATER DISTRICT NO. 90
APPROVED
CONSTRUCT!
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