HomeMy WebLinkAboutWWP2703346.2Water Utility Notes and Specifications
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16. All watermains 6 inches and larger in diameter shall be
5. It shall be the responsibility of the contractor to obtain
9. All pipe and appurtenances shall be laid on a properly
24. In any area which has been stripped of vegetation and
cleaned with pipe cleaning "PIGS" prior to disinfection. The
street use and any other related permits prior to any
prepared foundation in accordance with Section 7-02.3(1) of
where no further work is anticipated for a period 30 days or
"Poly pigs" shall be Girard Industries Aqua Swab -AS or
construction.
the current State of Washington Standard Specification for
more, all disturbed areas must be immediately stabilized with
1. THESE NOTES SHALL APPEAR FOR PROJECTS FOR THE
approved equal, 2 lb/cu. ft. density foam with 90A
Road and Bridge Construction. This shall include necessary
mulching, grass planting or other approved erosion control
WATER UTILITY.
"
urethane rubber coating on the rear of PIG" only.
6. Plans approved by the City of Renton, Public Works
leveling of the trench bottom or the top of the foundation
treatment applicable to the time of year. Grass seeding
Department shall take precedence over all other plans.
material, as well as placement and compaction of required
alone will be acceptable only during the months of April
2.durometer
All work material shall be if conformance with the
standards and specifications of the City of Renton
standards
"PIGS" shall be cylinder shaped with bullet nose or
7. A copy of these approved plans must be on the job site
bedding material, to uniform grade so that the entire length
of the pipe will be supported on a uniformly dense,
through September, inclusive. Seeding may proceed, however,
whenever it is in the interest of the permitee, but must be
Plan nin Buildin Public Works Department and the 1996
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square end. The contractor will perform the cleaning
square
operation.
whenever construction is in progress.
unyielding base. All pipe bedding shall be APWA Class 'C'
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augmented with mulching, netting or other treatment
edition of the WSDOT/APWA Standards and Specifications, as
with the exception of PVC pipe. All trench backfill shall be
approved by the City of Renton, outside the specified time
approved and modified by the City of Renton in the Renton
18. All watermains and services shall be pressure tested to
8. The contractor shall provide the City of Renton with an
compacted to minimum 95% for pavement and structural fill
period.
Standard Plans & Specifications. A set of approved plans
a minimum of 20p psi or 150 psi. over operating pressure, in
as -built drawing of the sanitary sewer system, which has
and 90% otherwise per ASTM D-1557-70. Pea ravel
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shall be kept on site at all times during construction.
accordance with the specifications of the City of Renton and
been stamped and signed by a licensed professional engineer
bedding shall be 6 inches over and under PVC pipe,
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25. For all erosion sedimentation control ponds where the
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the Washington State Health Department. All pressure testing
or licensed professional surveyor,
dead storage depth exceeds 6 inches fis required
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wa 3. The hours of work in the street right of shall be
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shall be done in the presence of a representative of the
10. Galvanized steel pipe and aluminized steel pipe for all
with a minimum height of three (3) feet, 3:1 side slopes.
limited to 8: 30 AM to 3:30 PM on weekdays unless
City of Renton. The quantity of water lost from the
9. Backfill shall be placed equally on both sides of the pipe
drainage facilities shall have asphalt treatment 1 or better
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otherwise approved in writing by the Public Works Department
main shall not exceed the number of gallons per hour as
inside and outside.
gravel
26. A temorar
temporary construction entrance, 24 feet x 50
at (425) 430-7301. The Police Department, Fire Department,
listed in City of Renton Standard Plans &Specifications
depth of 8 inches, thoroughly tamping each layer to 95
feet x 8 inches of 4 to 6 inch quarry s alls shall be located
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and 911 shall be notified 24 hours in advance of any work in
7-11.3(11). The loss in pressure shall not exceed 5 psi
percent of maximum density. These compacted layers must
11. Structures shall not be permitted within 10 feet of the
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at all points of vehicular ingress and egress to the
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the right of way.
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during the 2 hour test period.
extend for one pipe diameter on each side of the pipe or to
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spring line of any storm drainage pipe, or 15 feet from the
construction site.
the side of the trench. Materials to complete the fill over
top of any channel bank.
4. All locations of existing utilities shown are approximate
19. All watermains and services shall be disinfected by the
pipe shall be the same as described.
and it shall be the contractor's responsibility to verify the
true and correct location so as to avoid damage or
injection of a 50 ppm (minimum concentration).
10. 0 en cut road crossings s for utilit trenches on existing
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12. All catch basin grates shall be depressed 0.10 feet below
pavement level.
disturbance. For utility .locates call 48-hour locators
chlorine/water solution. Dry Calcium Hypochlorite shall NOT
traveled roadway shall be backfilled with crushed rock and
800-424-5555.
be placed in the pipe as laid. Chlorine shall be
mechanically compacted. Cuts into the existing asphalt
13. Open cut road crossings through existing public right of
metered/injected in accordance with Section 7 11.3(12)E or
shall be neatline cut with saw in a continuous line. A
way will not be allowed unless specifically approved by City
5. An approved Traffic Control Plan is required to be
7-11.3(12)F of the Standard Specifications referenced above.
temporary mix patch must be placed immediately after
of Renton Planning/Building/Public Works Administrator.
submitted at the Pre -Construction meeting,
backfill and compaction. A permanent hot mix patch shall be
20. A pre -construction conference is required prior to any
placed within 10 days and shall be per City of Renton
14. Rock for erosion protection of roadside ditches, where
6. All watermain pipe is to be cement lined ductile iron pipe
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construction. A minimum of five 5 working days notice is
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current standards.
required, shall be of sound quarry. rock placed to a depth of
conforming to AWWA C110 and C111 or latest revision,
required for scheduling.
one (1) foot and must meet the following specifications:
thickness Class 52. Cement mortar lining and seal coating
11. Datum shall be City of Renton, 1988 NAVD.
4 - 8 inch rock / 40 - 70% passing;
shall conform to AWWA C104 or latest revision. Pipe joints
to be push -on or mechanical joint. Bedding to be Class C.
21. Twenty-four (24) hours notice will be required prior to
starting new construction.
12. All disturbed areas shall be seeded and mulched or
2 - 4 inch rock / 30 - 40% passing; and
All ductile iron pipe and fittings shall be polyethylene
otherwise stabilized to the satisfaction of the Department
less than 2 inch rock / 10 - 20% passing.
wrapped per ANSI/AWWA C105/A21.5-93 Standards,
22. It shall be the contractor's responsibility to secure all
for the prevention of on -site erosion after the completion
of construction.
15. All building downspouts and footing drains shall be
7. Cast iron and ductile iron fittings shall be cement lined,
necessary permits prior to starting construction,
connected to the storm drainage system, unless approved by13.
pressure rated as noted on plans, and in accordance. with
23. Installation of corporate stops, water services, lines and
All pipe and appurtenances shall be laid on a properly
the City plan reviewer or Surface Water Utility Section. An
ANSI/AWWA C110/A21.10-87. Cement lining shall be in
meters shall not be done until all service agreements, meter
prepared foundation in accordance with Section 7 of the
current State of Washington Standard Specifications for Road
accurately dimensioned, certified as -built drawing of this
drainage system .will be submitted to the City upon
accordance with ANSI/AWWA C104/421/4-90. If fittings are
applications, construction permits, and payment of fees
and Bridge Construction. This shall include necessary leveling
completion.
3 to 12 inches in diameter and have mechanical joints, the
have been made to the City of Renton.
of the trench bottom or the top of the foundation material,
fittings shall in accordance with either ANSI/AWWA
C110-A21.10-87 or ANSI AWWA C153 A21.53-94. Three 3
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24. All connection to existing mains is to be accomplished
as well as placement and compaction of required bedding
material, to uniform grade so that the entire length of the
16. Issuance of the building or construction permits by the
City of Renton does not relieve the owner of the continuing
inch to 12 inch diameter fittings, which have mechanical
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by the City of Renton, except wet taps, which may be made
by approved wet tap contractors with prior approval from
pipe will be supported on a uniformly dense, unyielding base.
legal obligation and/or liability connected with storm surface
joints and or flanged joints, shall be in accordance with
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the Public Works Department All necessary excavation and
Pie bedding shall be ea ravel 6 inches above and below
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water disposition. Further, the City of Renton does not
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ANSI/AWWA C110/A21.10.87 or a combination of ANSI/AWWA
materials are to be supplied by the contractor and be
the pipe.
accept any obligation for the proper functioning and
C110/A21.10.87 and ANSI/AWWA C153/A21.53-94 such that
on -site prior to City notifications.
maintenance of the system rovided durin construction.
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the portion of the fitting with a mechanical joint(s) may be
14. Sanitary sewer pipe shall be polyvinyl chloride (PVC)
with ANSI/AWWA C153/A21.53-94 and that portion of the
25. Inspection will be accomplished by a representative of
rubber gasketed ASTM D 3034, SDR 35, or ductile iron class
17. The Contractor shall be responsible for providing
fitting with flanged joints) shall be in accordance with
the City of Renton. It shall be the contractor's
50,
adequate safeguard, safety devices, protective equipment,
flaggers, and any other needed actions to protect the life,
AWWA C110/A21.10-87. Acceptance testing in accordance
responsibility to notify Development Services twenty four (24)
15. In unimproved areas, manhole to extend minimum 6
health, and safety of the public, ands protect property in
with section 53.53 of ANSI AWWA section 10-4.3 of
hours in advance of backfilling all construction. The
inches and maximum 12 inches above finished grade. In
connection with the performance of work covered by the
ANSI AWWA C110 A21.10-87 shall be obtained b the
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contractor, as well as the engineers, shall keep as -built
paved area, cover must slope in all directions to match
contract. An work within the traveled right of way that may
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contractor and transmitted to the owner.
drawings.
paving
interrupt normal traffic flow shall require a traffic control
plan approve by the Public Works Department, TransportationSystems
8. Gate voles shall be iron body, bronzed -mounted, double
26. Contractor to provide plugs and temporary blow -off
Division. All sections of the WSDOT Standard
disc with bronze wedging device and O-ring stuffing box
assemblies for testing and purity acceptance prior to final
Surface Water Drainage Notes and
Specifications 1-07-23 Traffic Control shall apply.
(AWWA C500) or of resilient seated type (AWWA C509).
tie-in.
Valves shall be designed for a minimum water operating
Specifications
18. Special drainage measures will be required if the project
pressure of 200 psi. Gate valves shall be Clow List 14,
27. All joint restraint systems (shackle rods, nuts, bolts,
location is within the aquifer protection area (APA).
Mueller Company NO. A2380 or M & H.
etc.) shall be as manufactured by the Star Manufacturing
1. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY
EROSION CONTROL
Company of Columbus Ohio, or equal, approved in writing by
OCCURS, A PRE -CONSTRUCTION MEETING MUST BE HELD WITH
9. Fire hydrants shall be Corey type (opening with the
the Public Works Department.
THE CITY OF RENTON PLAN REVIEWER.
19. All limits of clearing and areas of vegetation preservation
pressure) or compression type (opening against pressure)
as prescribed on the plan(s) shall be clearly flagged in the
conforming to AWWA C-502-85 with a 6 inch mechanical
28. Asphalt and concrete street paving shall be sawcut to a
2. All construction shall be in accordance with the current
field and observed during construction.
joint inlet and a main valve opening (M.V.O.) of 5-1/4 inch,
minimum depth of two (2) inches. Oil mat streets may be
Standard Specifications for Road, Bridge and Municipal
two 2-1/2 inch hose nozzles with National Standard Threads
spade cut. All surface concrete, pavement, sidewalks, curb,
Construction prepared by WSDOT and the American Public
20. All required sedimentation/erosion control facilities must
7-1/2 threads per inch and one 4 inch pumper nozzle
gutters, and driveway approaches shall be sawcut to a
Works Association (APWA), as amended by the City of
be constructed and in operation nor to land clearing
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with the new Seattle Pattern 6 threads per inch, 60 degrees
de
pth epth of two (2) inches or removed to an existing
Renton Public Works Department.
and/or construction to ensure that sediment laden water
V. Threads: outside diameter of male thread 4.875 and
expansion joint.
3. the surface water drainage system shall be constructed
does not enter the natural drainage system. All erosion and
root diameter 4.6263. Hydrants shall have a 1-1/4
inch pentagon operating nut opened by turning counter
29. A temporary cold mix asphalt patch shall be placed on
according to the approved plans, which are on file in the
sediment facilities shall be maintained in a satisfactory
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condition until such time that clearing and/or construction
clockwise (left).
the day of initial excavation with a permanent, sealed patch
Public Works Department. Any deviation from the approved
is complete and potential for on -site erosion. has passed.
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to be placed, to City of Renton policy, within 10 days. Call
plans will require written approval from the City of Renton
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The implementation, maintenance, replacement and additions
10. The two 2-1/2 inch hose nozzles shall be fitted with
for subgrade inspection prior to placement of final patch. #
Public Works Department, Surface Water Utility Section.
to erosion/sedimentation control systems shall be the
cast iron threaded caps with operating nut of the some
30. For Cityprojects such as telemetry conduit, the PVC
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4. A co of these approved plans must be on the job site
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responsibility of the permitee.
design and proportions as the hydrant stem nut. Caps shall
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be fitted with suitable neoprene gaskets for positive water
pipe used shall be All chemical process lines shall be
whenever construction is in progress,
21. The erosion and sedimentation control systems depicted
tightness under test pressures.
schedule 80 PVC pipe. Schedule 40 in unimproved areas
and schedule 80 PVC pipe under improved areas.
5. Datum shall be NAVD 88 unless otherwise approved by
on this drawing are intended to be minimum requirements to
the City of Renton Public Works Department. Reference
meet anticipated site conditions. As construction progresses
11. The 4 inch pumper nozzle shall be fitted with a Storz
benchmark and elevations are as noted on the plans,
and unexpected or seasonal conditions dictate, the permitee
adapter, 4 inch Seattle Thread x 5 inch Storz. Storz
Sanitary Sewer Notes and Specifications
shall anticipate that more erosion and sedimentation control
adapter shall be forged and/or extruded 6061-T6 aluminum
6. All sedimentation/erosion facilities must be in operation
facilities will be necessary to ensure complete siltation
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alloy, hardcoat anodized. Threaded end portion shall have
no lugs and two set screws 180 degrees apart. Storz face
1. All work materials shall be in conformance with the
prior to clearing and building construction, and they must be
control on the proposed site. During the course of
construction, it shall be the obligation and responsibility of
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to be metal, no gasket to weather. Storz cap to have
standards and specification of the City of Renton Utility
satisfactorily maintained until construction is completed
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and the potential for on -site erosion has passed.
the permitee to address an new conditions that may be
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synthetic molded rubber gasket, and shall be attached to
Department and the latest edition of the WSDOT/APWA
created by the activities and to provide additional facilities,
hydrant adapter with 1 8 inch, coated, stainless steel,
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Standards and Specifications.
7. All retention/detention facilities must be installed and. in
over and above minimum requirements, as may be needed,
aircraft cable.
2. All construction shall be in accordance with "Standard
operation prior to or in conjunction with all construction
to protect adjacent properties and water quality of the
receiving drainage system.
12. Fire hydrants shall be painted with two coats of paint.
" Specifications for Municipal Public Works Construction
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activity unless otherwise approved by the Public Works
Department, Surface Water Utility Section.
Preservative paint number 43-655 safety yellow or approved
prepared by Washington State Chapter American Public Works
22. Approval of this plan is for erosion/sedimentation control
equal.
Association, latest edition (APWA) and City of Renton
8. Grass seed may be applied by hydroseeding. The grass
only. It does not constitute an approval of storm drainage
Standard Specifications.
seed mixture, other than City of Renton approved standard
design, size nor location of pipes, restrictors, channels, or
13. Pumper connection to face roadway assembly.
mixes, shall be submitted by a Landscape Architect and
retention facilities.
14. Fire hydrants shall be installed per City of Renton
3. All locations of existing utilities shown are approximate
and it shall be the contractor?s responsibility to verify the
approved by the Public Works Department, Surface Water
Utility Section.
23. During the time period of October 1st through April
Standard Detail for fire hydrants, latest revision.
true and correct location so as to avoid damage or
30th, all project distributed soil areas greater than 5,000
disturbance.
square feet, that are to be left un-worked for more than
15. All watermains 10 inches and smaller to maintain a
12 hours, shall be covered by mulch, sodding or plastic
minimum cover of 36 inches below finish .grade. All
4. Contractor is solely responsible for the means, methods
covering.
watermain 12 inches and larger shall be at a minimum of
and sequences of construction and for the safety of workers
48 inches below finish grade. Where utility conflicts occur, and others on the construction site.
watermains are to be lowered to clear.
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F 31741 O� CONSULTING ENGINEERS/CIVIL AND STRUCTURAL
7oNAL E'\ 1519 West Valley Highway North, Suite 101
Auburn, WA 98001
EXPIRES 12/13/2Q07 1 TEL (253) 833-7776 FAX (253) 939-2168
S:\06\06019\Civil\C4-019.dwg Drafter Name: A. PAUL i Plot Date: SEP 29 2006 10: 05: 24 1 Last Modified Date: AUG 31 2006 17: 01: 03 1 Submittal: REVISION
CITY OF RENTON
Approved By. Date:`Q
Approved Date:
Approved By. Date:
Approved By. Date:
334 �,ode t1CT 2 7 20