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PAY LIMIT
TRENCH BACKFILL
6'
SEE DETAIL FOR STREET
RESTORATION REQUIREMENTS
BACKFILL MATERIAL SHALL BE
100% SELECT IMPORTED BACKFILL
PER SECTION 9-03.19
(SELECT BACKFILL) OF THE SPECIAL
PROVISIONS
PROPOSED 8" SEWER PIPE
PIPE ZONE MATERIAL PER SECTION
9-03.12(4) GRAVEL BACKFILL FOR
DRAINS OR PEA GRAVEL.
EXCAVATION OF UNSUITABLE SOIL AND
BACKFILL OF FOUNDATION MATERIAL
(IF NECESSARY) DEPTH AS APPROVED
BY ENGINEER. MATERIAL SHALL MEET
SECTION 9-03.9(1) BALLAST
8" SDR 35 PVC SEWER PIPES
TYPICAL TRENCH BEDDING AND BACKFILL
1. PROVIDE UNIFORM SUPPORT UNDER BARREL.
2. HAND TAMP UNDER HAUNCHES.
3. COMPACT PIPE ZONE MATERIAL TO 90% MINIMUM
DENSITY EXCEPT DIRECTLY OVER PIPE WHERE
COMPACTION WILL BE HAND TAMP ONLY.
4. PIPE MUST BE ANCHORED IN SUCH A MANNER AS
TO ENSURE FLOW LINE IS MAINTAINED.
5. ALL EXCAVATION AND BEDDING AND BACKFILL
MATERIALS BEYOND PAY LIMIT OF TRENCH
SHALL BE INCLUDED WITHIN THE TRENCH
EXCAVATION SAFETY SYSTEMS BID ITEM.
12" -a \
TYP TRENCH
(SEE DETAILS)
PAY LIMIT OF TRENCH
PAYMENT LIMIT OF PATCH
ASPHALT CONCRETE PAVEMENT
RESTORATION DETAIL
(S 7th ST & S 9th ST)
EX. ASPH. CONC.
PAVEMENT, TYP.
4" OF CLASS B ASPH. CONC.
PATCH PAVING SHALL BE
DONE IN 2 - 2" LIFTS
6" CSTC
BACKFILL
(SEE BEDDING/BACKFILL DETAIL)
NOTES:
1. ALL TRENCHES IN ROADWAY AREAS SHALL BE BACKFILLED AND PATCHED
PER SPECIAL PROVISION 5-06.1 AT END OF EACH WORK DAY.
THIS WORK IS INCIDENTAL TO ALL TRENCH RESTORATION WORK.
2. THE FINAL SAWCUT JOINT SHALL BE A MINIMUM OF 1' BEYOND
THE UNDISTURBED EDGE OF THE TRENCH.
3. ALL ASPHALT PATCH AREA OUTSIDE OF PAY LIMIT SHOWN SHALL
BE CONSIDERED INCIDENTAL TO OTHER ITEMS OF WORK.
4. ALL TEMPORARY PATCHES ON TRENCHES SHALL BE PERMANENTLY
PATCHED WITHIN (2) WEEKS OF COMPLETION OF WORK WITHIN THE
ROADWAY AREA UNLESS APPROVED BY THE ENGINEER.
4"
r. EX. ADJACENT
6.
SURFACES
TRENCH
(SEE DETAILS)
PAY LIMIT OF TRENCH
6" CSTC
LIMITS OF CSTC BASE
ALLEY RESTORATION DETAIL
1. ALL EXISTING ASPHALT IN ALLEYS SHALL BE REMOVED AND DISPOSED OF.
2. THE FINAL CSTC SURFACE ELEVATION SHALL BE 4" LOWER THAN THE
ADJACENT PROPERTIES. (ALLEYS TO BE FINAL PAVED BY OTHERS).
3. CSTC RAMPS SHALL BE INSTALLED TO ALLOW VEHICULAR ACCESS FROM
ALLEY TO ADJACENT PROPERTIES. RAMPS SHALL ALSO BE PLACED AROUND
NEW SANITARY SEWER MANHOLES.
ADJUSTMENT RINGS (2" MIN.)
SEE NOTE 6
MORTAR JOINT(S) (3/8" MIN.)
SEE NOTE 5
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24"
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1211
MANHOLE FRAME AND COVER
PER DRAWING 401.
m
4" MIN. TO
8„ 1 f 12" MAX.
D'
4115411
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ON
SHALLOW SANITARY MANHOLE
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MANHOLE NOTES:
1.
STEPS TO BE POLYPROPYLENE SAFETY STEPS.
2.
STEPS ARE TO BE IN PLACE BEFORE MANHOLE SECTIONS ARE INSTALLED.
3.
CASTING SHALL BE PER STD. PLAN 401.
4.
MANHOLE SECTIONS TO BE OF REINFORCED PRECAST CONCRETE.
5.
ALL JOINTS BETWEEN THE CONE, RISER RINGS, BRICKS AND CASTING SHALL BE GROUTED.
6.
ADJUSTMENT OF THE CASTING TO GRADE SHALL BE ACCOMPLISHED WITH A COMBINATION
OF ADJUSTMENT RINGS, BRICKS AND MORTAR ONLY. BRICKS SHALL BE STAGGERED TO
CREATE A RUNNING BOND OR 1/2 BOND. THE USE OF SHIMS IS PROHIBITED.
7.
SANITARY SEWER MANHOLES SHALL HAVE ALL INTERIOR SURFACES, INCLUDING
CHANNELING, COATED (SEALED) WITH A HIGH SOLIDS URETHANE COATING; WASSER
MC-AROSHIELD OR APPROVED EQUAL; COLOR OF COATING SHALL BE WHITE.
8.
RUBBER GASKETED JOINTS SHALL BE IN CONFORMANCE WITH ASTM C-443.
9.
CHANNEL HEIGHT SHALL BE A MINIMUM OF 3/4 OF THE INSIDE DIAMETER OF THE LARGEST
PIPE.
10.
CONNECTIONS TO MANHOLE SHALL BE MADE USING GPK ADAPTOR, KOR-N-SEAL BOOTS
OR APPROVED EQUAL. TRANSITION FROM THE NEW 8" PIPE AT THE MANHOLE TO THE
EXISTING 6" SEWER MAIN SHALL BE ACCOMPLISHED WITH ECCENTRIC REDUCER.
11.
IN UNIMPROVED AREAS, MANHOLES SHALL EXTEND A MINIMUM OF 6" AND A MAXIMUM OF
12" ABOVE FINISHED GRADE OR MUST HAVE A MINIMUM 2' DIAMETER CONCRETE RINGS
POURED AT GRADE. IN PAVED AREAS, COVER MUST SLOPE IN ALL DIRECTIONS TO MATCH PAVING.
SURVEYED:
ROTH/HILL
SCALE:
q
N//-1
VERTICAL: NAVO 1988
HORIZONTAL: NAD 1983/1991
DESIGNED:
JDH
`
h.,...,, -
DRAWN:
JDH
ONE INCH
CHECKED:
DMC
AT FULL SCALE
IF NOT ONE INCH
N 0.
REVISION
BY
DATE
AP P R
SCALE ACCORDINGLY
APPROVED: LH
7' N
48" M H
54" M H
60" MH
CONSTRUCTION NOTES
1. HORIZONTAL DATUM IS BASED ON MONUMENTATION AS SHOWN ON THE
RESPECTIVE PLAN SHEETS.
VERTICAL DATUM IS NAVD '88 BASED ON CITY OF RENTON
CONTROL POINTS AS SHOWN ON THE RESPECTIVE PLAN SHEETS.
2. UTILITY CROSSING LOCATIONS AND ELEVATIONS SHALL BE DETERMINED BY THE
CONTRACTOR IN ADVANCE OF ANY CONSTRUCTION ACTIVITIES.
3. EXISTING PRIVATE IMPROVEMENTS SHALL BE TEMPORARILY RELOCATED AND
PERMANENTLY REPLACED TO ACCOMMODATE SERVICE CONSTRUCTION.
4. PROVIDE AS -BUILT INFORMATION SHOWING ALL INVERT AND RIM ELEVATIONS
OF MANHOLE AND SIDE SEWER VERTICAL AND HORIZONTAL LOCATIONS.
5. INSTALL SEWER MAIN AND SERVICES A MINIMUM 2' FROM PARALLEL GAS LINES
WHERE CONFLICT OCCURS.
6. WHERE UTILITY PIPE LINE VERTICAL SEPARATION IS LESS THAN (1) ONE FOOT,
INSERT ETHAFOAM HS 600 PLANK -FOAM BOARD OR EQUAL AS CLEARANCE
SEPARATION.
7. A TRAFFIC CONTROL PLAN SHALL BE SUBMITTED TO THE ENGINEER FOR
REVIEW AND APPROVAL PRIOR TO BEGINNING CONSTRUCTION.
8. ALL EXISTING LIVE SIDE SEWERS SHALL BE RECONNECTED TO THE NEW
SEWER MAIN USING "FERNCO" OR APPROVED EQUAL COUPLINGS. THIS
WORK SHALL BE INCIDENTAL TO THE SEWER MAIN LINE INSTALLATION.
STANDARD SANITARY MANHOLE
MANHOLE FRAME AND COVER
SEE STD. PLAN 401
ADJUSTMENT RINGS (2" MIN.)
SEE NOTE 6
MORTAR JOINT(S) (3/8" MIN.)
SEE NOTE 5
CONE (ECCENTRIC)
RUBBER GASKETED JOINTS IN
ACCORDANCE WITH ASTM C-443
STEPS - POLYPROPYLENE STEPS
SHALL BE INCLUDED
CONCRETE RISER BY PIPE INC.,
OR APPROVED EQUAL.
LADDER -POLYPROPYLENE
SHALL BE ATTACHED TO MANHOLE
MAX. PIPE SIZE - 'E'
CONCRETE SHELF
PRECAST BASE SECTION
OR CAST IN SHELF.
S=367808
( A,
(B,
tC,
<D,
(E,
48"
6" MIN.
5"MIN
24" MIN.
21" I.D.
54"
8" MIN.
5.5" MIN.
24" MIN,
t 24" I.D.
60"
8" MIN.
6" MIN.
42" MIN.
30" I.D.
C TY OF
RENTON
Planning/Building/Public Works Dept.
DATE:
JUNE 2013
RENTON HILL ALLEY SEWER PAGDBOOK:
REPLACEMENT 2013 DRAWINGS - 4
SHEET: OF:
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