HomeMy WebLinkAboutS-334602Water Utility Notes and Specifications
I. THESE NOTES SHALL APPEAR FOR PROJECTS FOR THE
WATER UTILITY.
2. All work material shall be in conformance with the
standards and specifications of the City of Renton
Planning /8uilding/Public Works Department and the 1996
edition of the WSDOT /APWA Standards and Specifications, as
approved and modified by the City of Renton in the Renton
Standard Plans & Specifications. A set of approved plans
shall be kept on site at all times during construction.
3. The hours of work in the street right of way shall be
limited to 8:30 AM to 3:30 PM on weekdays unless
otherwise approved in writing by the Public Works Department
at (425) 430 -7301. The Police Deportment, Fire Department,
and 911 shall be notified 24 hours in advance of any work in
the right of way.
4. All locations of existing utilities shown are approximate
and it shall be the contractor's responsibility to verify the
true and correct location so as to ovoid damage or
disturbance. For utility locates call 48 -hour locators
800 -424 -5555.
5. An approved Traffic Control Plan is required to be
submitted at the Pre - Construction meeting.
6. All watermain pipe is to cement lined ductile iron pipe
conforming to AWWA CLIO and C111 or latest revision,
thickness Class 52. Cement mortar lining and seal coating
shall conform to AWWA C104 or latest revision. Pipe joints
to be push -on or mechanical joint. Bedding to be Class C.
All ductile iron pipe and fittings shall be polyethylene
wrapped per ANSI /AWWA C105/A21.5 -93 Standards.
7. Cost iron and ductile iron fittings shall be cement lined,
pressure rated as noted on plans, and in accordance with
ANSI /AWWA C110/A21.10 -87. Cement lining shall be in
accordance with ANSI /AWWA C104/421/4 -90. If fittings are
3 to 12 inches in diameter and have mechanical joints, the
fittings shall in accordance with either ANSI /AWWA
C110- A21.10 -87 or ANSI /AWWA C153/A21.53 -94. Three (3)
inch to 12 inch diameter fittings, which have mechanical
pints and /or flanged joints, shall be in accordance with
ANSI /AWWA C110 /A21.10.87 or a combination of ANSI /AWWA
C110 /A21.10.87 and ANSI /AWWA C153/A21.53 -94 such that
the portion of the fitting with a mechanical jaint(s) may be
with ANSI /AWWA C153/A21.53 -94 and that portion of the
fitting with Flanged joint(s) shall be in accordance with
AWWA C110/A21.10 -87. Acceptance testing in accordance
with section 53.53 of ANSI /AWWA section 10 -4.3 of
ANSI /AWWA C110/A21.10 -87 shall be obtained by the
contractor and transmitted to the owner.
8. Gate voles shall be iron body, bronzed- mounted, double
disc with bronze wedging device and 0 -ring stuffing box
(AWWA C500) or of resilient seated type (AWWA C509).
Valves shall be designed for a minimum water operating
pressure of 200 psi. Gate valves shall be Clow List 14,
Mueller Company NO. A2380 or M & H.
9. Fire hydrants shall be Corey type (opening with the
pressure) or compression type (opening against pressure)
conforming to AWWA C- 502 -85 with a 6 inch mechanical
joint inlet and a main valve opening (M.V.O.) of 5 -1/4 inch,
two 2 -1/2 inch hose nozzles with National Standard Threads
7 -1/2 threads per inch and one 4 inch pumper nozzle
with the new Seattle Pattern 6 threads per inch, 60 degrees
V. Threads: outside diameter of male thread 4.875 and
root diameter 4.6263. Hydrants shall have a 1 -1/4
inch pentagon operating nut opened by turning counter
clockwise (left).
10. The two 2 -1/2 inch hose nozzles sholl be fitted with
cast iron threaded caps with operating nut of the some
design and proportions as the hydrant stem nut. Caps shall
be fitted with suitable neoprene gaskets for positive water
tightness under test pressures.
11. The 4 inch pumper nozzle shall be fitted with a Storz
adapter, 4 inch Seattle Thread x 5 inch Storz. Storz
adapter shall be forged and /or extruded 6061 -T6 aluminum
alloy, hardcoat anodized. Threaded end portion shall have
no lugs and two set screws 180 degrees apart. Storz face
to be metal, no gasket to weather. Storz cop to have
synthetic molded rubber gasket, and shall be attached to
hydrant adapter with 1/8 inch, coated, stainless steel,
aircraft cable.
12. Fire hydrants shall be painted with two coats of paint.
Preservative paint number 43 -655 safety yellow or approved
equal.
13. Pumper connection to face roadway assembly.
14. Fire hydrants shall be installed per City of Renton
Standard Detail for fire hydrants, latest revision.
15. All watermains 10 inches and smaller to maintain a
minimum cover of 36 inches below finish grade. All
watermain 12 inches and larger shall be at a minimum of
48 inches below finish grade. Where utility conflicts occur,
watermains are to be lowered to clear.
16. All watermains 6 inches end larger in diameter shall be
cleaned with pipe cleaning "PIGS" prior to disinfection. The
"Poly pigs" shall be Girard Industries Aqua Swab -AS or
approved equal, 2 lb/cu. ft. density foam with 90A
durometer urethane rubber coating on the rear of "PIG" only.
17. "PIGS" shall be cylinder shaped with bullet nose or
square end. The contractor will perform the cleaning
operation.
18. All watermains and services shall be pressure tested to
o minimum of 200 psi or 150 psi over operating pressure, in
accordance with the specifications of the City of Renton and
the Washington State Health Department. All pressure testing
shall be done in the presence of a representative of the
City of Renton. The quantity of water lost from the
main shall not exceed the number of gallons per hour as
listed in City of Renton Standard Plans & Specifications
7- 11.3(11). The loss in pressure shall not exceed 5 psi
during the 2 hour test period.
19. All watermains and services shall be disinfected by the
injection of a 50 ppm (minimum concentration)
chlorine /woter solution. Dry Calcium Hypochlorite shall NOT
be placed in the pipe as laid. Chlorine shall be
metered /injected in accordance with Section 7- 11.3(12)E or
7- 11.3(12)F of the Standard Specifications referenced above.
20. A pre - construction conference is required prior to any
construction. A minimum of five (5) working days notice is
required for scheduling.
21. Twenty -four (24) hours notice will be required prior to
starting new construction.
22. It shall be the contractor's responsibility to secure all
necessary permits prior to starting construction.
23. Installation of corporate stops, water services, lines and
meters shall not be done until all service agreements, meter
applications, construction permits, and payment of fees
have been made to the City of Renton.
24. All connection to existing mains is to be accomplished
by the City of Renton, except wet taps, which may be in de
by approved wet top contractors with prior approval from
the Public Works Department. All necessary excavation and
materials are to be supplied by the contractor and be
on -site prior to City notifications.
25. Inspection will be accomplished by a representative of
the City of Renton. It shall be the contractors
responsibility to notify Development Services twenty four (24)
hours in advance of backf7ling all construction. The
contractor, as well as the engineers, shall keep as -built
drawings.
26. Contractor to provide plugs and temporary blow -off
assemblies for testing and purity acceptance prior to final
tie -in.
27. All joint restraint systems (shackle rods, nuts, bolts,
etc.) shall be as manufactured by the Star Manufacturing
Company of Columbus Ohio, or equal, approved in writing by
the Public Works Department
28. Asphalt and concrete street paving shall be sawcut to a
minimum depth of two (2) inches. Oil mat streets may be
spade cut. All surface concrete, pavement, sidewalks, curb,
gutters, and driveway approaches shall be sawcut to a
minimum depth of two (2) inches or removed to an existing
expansion joint.
29. A temporary cold mix asphalt patch shall be placed on
the day of initial excavation with a permanent, sealed patch
to be placed, to City of Renton policy, within_10 days. Call
for subgrade inspection prior to placement of final patch. r
30. For City projects such as telemetry conduit, the PVC
pipe used shall be All chemical process lines shall be
schedule 80 PVC pipe. Schedule 40 in unimproved areas
and schedule 80 PVC pipe under improved areas.
Sanitary Sewer Notes and Specifications
1. All work materials shall be in conformance with the
standards and specification of the City of Renton Utility
Department and the latest edition of the WSDOT /APWA
Standards and Specifications.
2. All construction shall be in accordance with "Standard
Specifications for Municipal Public Works Construction"
prepared by Washington State Chapter American Public Works
Association, latest edition (APWA) and City of Renton
Standard Specifications.
3. All locations of existing utilities shown are approximate
and it shall be the controctor?s responsibility to verify the
true and correct location so as to avoid damage or
disturbance.
4. Contractor is solely responsible for the means, methods
and sequences of construction and for the safety of workers
and others on the construction site.
5. It shall be the responsibility of the contractor to obtain
street use and any other related permits prior to any
construction.
6. Plans approved by the City of Renton, Public Works
Department shall take precedence over all other plans.
7. A copy of these approved plans must be on the job site
whenever construction is in progress.
8. The contractor shall provide the City of Renton with an
as -built drawing of the sanitary sewer system, which has
been stamped and signed by a licensed professional engineer
or licensed professional surveyor.
9. Backfill shall be placed equally on both sides of the pipe
in layers with o loose average depth of 6 inches, maximum
depth of 8 inches, thoroughly tamping each layer to 95
percent of maximum density. These compacted layers must
extend for one pipe diameter on each side of the pipe or to
the side of the trench. Materials to complete the 611 over
pipe shall be the some as described.
10. Open cut road crossings for utility trenches on existing
traveled roadway shall be backfilled with crushed rock and
mechanically compacted. Cuts into the existing asphalt
shall be nealline cut with saw in a continuous line. A
temporary mix patch must be placed immediately after
backfill and compaction. A permanent hot mix patch shall be
placed within 10 days and shall be per City of Renton
current standards.
11. Datum shall be City of Renton, 1988 NAVD.
12. All disturbed areas shall be seeded and mulched or
otherwise stabilized to the satisfaction of the Department
for the prevention of on -site erosion after the completion
of construction.
13. All pipe and appurtenances shall be laid on a properly
prepared foundation in accordance with Section 7 of the
current State of Washington Standard Specifications for Road
and Bridge Construction. This shall include necessary leveling .
of the trench bottom or the top of the foundation material,
as well as placement and compaction of required bedding
material, to uniform grade so that the .entire length of the
pipe will be supported on a uniformly dense, unyielding base.
Pipe bedding shall be pea gravel 6 inches . above and below
the pipe.
14. Sanitary sewer pipe shall be polyvinyl chloride (PVC)
rubber gosketed ASTM D 3034, SDR 35, or ductile iron class
50.
15. In unimproved areas, manhole to extend minimum 6
inches end maximum 12 inches above finished grade. In
paved area, cover must slope in all directions to match
paving.
Surface Water Drainage Notes and
Specifications
1. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY
OCCURS, A PRE - CONSTRUCTION MEETING MUST BE HELD WITH
THE CITY OF RENTON PLAN REVIEWER.
2. All construction shall be in accordance with the current
Standard Specifications for Road, Bridge end Municipals
Construction prepared by WSDOT and the American Public -
Works Association (APWA), as amended by the City of
Renton Public Works Department.
3. The surface water drainage system shall be constructed
according to the approved plans, which are on file in the
Public Works Department. Any deviation from the approved .
plans will require written approval from the City. of Renton
Public Works Department, Surface Water Utility Section.
4. A copy of these approved plans must be on the job site
whenever construction is in progress.
5. Datum shall be NAVD 88 unless otherwise approved by
the City of Renton Public Works Department. Reference
benchmark and elevations are as noted on the plans.
6. All sedimentation /erosion facilities must be in operation
prior to clearing and building construction, and they must be
satisfactorily maintained until construction is completed
and the potential for on -site erosion has passed.
7. All retention /detention facilities must be installed and in
operation prior to or in conjunction with all construction
activity unless otherwise approved by the Public Works
Department, Surface Water Utility Section.
8. Grass seed may be applied by hydroseeding. The grass
seed mixture, other than City of Renton approved standard
mixes, shall be submitted by a Landscape Architect and
approved by the Public Works Department, Surface Water
Utility Section.
9. All pipe and appurtenances shall be laid on a properly
prepared foundation in accordance with Section 7- 02.3(1) of
the current State of Washington Standard Specification for
Road and Bridge Construction. This shall include necessary
leveling of the trench bottom or the top of the foundation
material, as well as placement and compaction of required
bedding material, to uniform grade so that the entire length
of the pipe will he supported on a uniformly dense,
unyielding base. All pipe bedding shall be APWA Class V,
with the exception of PVC pipe. All trench buckrill shall be
compacted to minimum 95% for pavement and structural fill
and 90% otherwise per ASTM D- 1557 -70. Pea gravel
bedding shall be 6 inches over and under PVC pipe.
10. Galvanized steel pipe and aluminized steel pipe for all
drainage facilities shall have asphalt treatment #1 or better
inside and outside.
11. Structures shall not be permitted within 10 feet of the
spring line of any storm drainage pipe, or 15 feet from the
top of any channel bank.
12. All catch basin grates shall be depressed 0.10 feet below
pavement level.
13. Open cut road crossings through existing_ public right of
way will not be allowed unless specifically approved by City
of Renton Planning /Building /Public Works Administrator.
14. Rock for erosion protection of roadside ditches, where
required, shall be of sound quarry rock placed to o depth of
one (1) foot and must meet the following specifications:
4 - 8 inch rock / 40 - 70% passing;
2 - 4 inch rock / 30. - 40% passing; and
less than 2 inch rock / 10 - 20% passing.
15. All building downspouts and footing drains shall be
connected to the storm drainage . system, unless approved by
the City plan reviewer or Surface Water Utility Section. An
accurately dimensioned, certified as -built drawing of this
drainage system will be submitted . to the City upon
completion.
16. Issuance of the building or construction permits by the
City of Renton does not relieve the owner of the continuing .
legal obligation and /or liability connected with storm surface
water disposition: Further, the City of Renton does not
accept any obligation for the proper functioning and
maintenance :. of the system provided during construction.
17. The Contractor shall be responsible for providing
adequate safeguard, safety devices, protective equipment,. -
Tuggers, and any other needed actions to' protect the life,
health, and safety of the public, and to protect property in
connection - withthe performance of work covered by the
contract. Any work within the traveled right of way that may
interrupt normal traffic Flow, sholl require a. traffic control
plan approve by the Public Works Department, Transportation
Systems Division. All sections -of -the WSDOT:'Standard.
Specifications 1 -07 -23 Traffic Control shall. apply.
18. Special drainage measures will be required if the project
location is within the aquifer protection area (APA)..
EROSION CONTROL
19. All limits of clearing and .areas of vegetation preservation
as prescribed on the plan(s).shall be clearly Flagged inane'
field and observed during construction. -
20. All required- .sedimentation /erosion control facilities must
be constructed- and in operation prior to land clearing .
and /or construction to ensure that sediment laden water
does not enter the natural drainage system. All erosion and
sediment facilities shall be maintainedin -a satisfactory
condition until such time that clearing 'and/or construction
is complete and potential for on -site erosion has passed.
The implementation maintenance; replacement and additions
to erosion /sedimentation control systems shall be the
responsibility of the. permitee.
21. The erosion and sedimentation control systems depicted
on this drawing are intended to be minimum requirements . to
meet anticipated site conditions. As construction progresses
and unexpected or seasonal conditions dictate, the permitee
shall anticipate that more erosion and sedimentation: control
facilities will be necessary to ensure complete: siltation
control on the proposed site. During: the course of
construction, it shall be the obligation�and responsibility of
the permitee to address any new conditions that may be
created by the activities and to provide additional facilities,
over and above minimum requirements, as may be needed,
to protect adjacent properties and water quality of the
receiving drainage system.
22. Approval of this .plan is for erosion /sedimentation control
only. It does not constitute an approval of storm drainage
design, size nor location of pipes, restriclors, channels, or
retention facilities.
23. During the time period of October let through April
30th, all project distributed soil areas greater than 5,000
square feet, that are to be left un- worked for more than
12 hours, shall be covered by mulch, sodding or plastic
covering.
24. In any area which has been stripped of vegetation and
where no further work is anticipated for a period 30 days or
more, oil disturbed areas must be immediately stabilized with
mulching, grass planting or other approved erosion control
treatment applicable to the time of year. Grass seeding
alone will be acceptable only during the months of April
through September, inclusive. Seeding may proceed, however,
whenever it is in the interest of the permitee, but must be
augmented with mulching, netting or other treatment
approved by the City of Renton, outside the specified time
period.
25. For all erosion /sedimentation control ponds where the
dead storage depth exceeds 6 inches, a fence is required
with a minimum height of three (3) feat, 3:1 side slopes.
26. A temporary gravel construction entrance, 24 feet x 50
feet x 8 inches of 4 to 6 inch quarry spells shall be located
at all points of vehicular ingress and egress to the
construction site.
CITY OF RENTON
Approved By. Date: l0
Approved Dater Approved By. Date: ON
100*
Approved By. Date:
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UTILITY NOTES
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1700 NE 44TH ST RENTON, WA 4 FF 7
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CONSULTING ENGINEERS /CIVIL
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1519 West Valley Highway North, Suite 101
2
PER CITY COMMENTS
AEP
.8/29/06
EXPIRE$ 12/13/2007]
Auburn, WA 98001
TEL (253) 833 -7776 FAX (253) 939 -2168
1
PER CITY COMMENTS
AEP
8/15/06.
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\06 \06019 \Civil \C4- 019.dwg I Drafter Name: A. PAUL I Plot Date: SEP 29 2006 10:05:24 1 Last Modified Dote: AUG 31 2006 17:01:03 1 Submittal: REVISION
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24. In any area which has been stripped of vegetation and
where no further work is anticipated for a period 30 days or
more, oil disturbed areas must be immediately stabilized with
mulching, grass planting or other approved erosion control
treatment applicable to the time of year. Grass seeding
alone will be acceptable only during the months of April
through September, inclusive. Seeding may proceed, however,
whenever it is in the interest of the permitee, but must be
augmented with mulching, netting or other treatment
approved by the City of Renton, outside the specified time
period.
25. For all erosion /sedimentation control ponds where the
dead storage depth exceeds 6 inches, a fence is required
with a minimum height of three (3) feat, 3:1 side slopes.
26. A temporary gravel construction entrance, 24 feet x 50
feet x 8 inches of 4 to 6 inch quarry spells shall be located
at all points of vehicular ingress and egress to the
construction site.
CITY OF RENTON
Approved By. Date: l0
Approved Dater Approved By. Date: ON
100*
Approved By. Date:
imnckrNw rawer
as aHrw_ wa rees 3130106
UTILITY NOTES
OM NE INCH DATUM ""NC NO
^� o„ EXIT 7 AUTO SALES C4
1700 NE 44TH ST RENTON, WA 4 FF 7
OCT 2 7 2U06
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