HomeMy WebLinkAboutWTR2703416.3WATER UTILITY NOTES AND SPECIFICATIONS
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1. THESE NOTES SHALL APPEAR FOR PROJECTS FOR THE WATER UTILITY.
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2. All work material shall be in conformance with the standards and specifications of the City of Renton"""
Planning/Building/Public Works Department and the 1996 edition of the WSDOT/APWA Standards and
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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 Department,
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
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verify the true and correct location so as to avoid damage or disturbance. For utility locates call 48-hours
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 be cement lined ductile iron pipe conforming to AWWA C110 and C111 or latest;.jj..
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
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fittings shall be polyethylene wrapped per ANSI/AWWA C105/A21.5-93 Standards.
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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
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C1D4/421/4-90. If fittings are 3 to 12 inches in diameter and have mechanical joints, the fittings shall be
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in accordance with either ANSI/AWWA C110-A21.10-87 or ANSI/AWWA C153/A21.53-94. Three (3) inch to 120
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inch diameter fittings, which have mechanical joints and/or flanged joints, shall be in accordance with
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ANSI/AWWA C110/A21.10.87 or a combination of ANSI/AWWA C110/A21-87 and ANSI/AWWA C153/A21.53-94
such that the portion of the fitting with a mechanical joint(s) may be with ANSI/AWWA C153/A21.53-94 and
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that portion of the fitting with flanged joints(s) shall be in accordance with AWWA C110/A21.10-87.
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Acceptance testing in accordance with section 53.53 of ANSI/AWWA section 10-4.3 of ANSI/AWWA
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C110/A21.10-87 shall be obtained by the contractor and transmitted to the owner.
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8. Gate valves shall be iron body, bronzed -mounted, double disc with bronze wedging device and 0-ring
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stuffing box (AWWA C500) or of resilient seated type (AWWA C509). Valves shall be designed for a minimum
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water operating pressure of 200 psi. Gate valves shall be Clow List 14, Mueller Company No. A2380 or M &
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9. Fire hydrants shall be Corey type (opening with the pressure) or compression type (opening against
pressure) conforming to AWWA C502-85 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
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pentagon operating nut opened by turning counter clockwise (left).
10. The two 2-1/2 inch hose nozzles shall be fitted with cast iron threaded caps with operating nut of the
same design and proportions as the hydrant stern 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 cap 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. All pipe and appurtenances shall be laid on a properly prepared foundation in accordance with Section
13. Pumper connection to face roadway assembly.
7 of the current State of Washington Standard Specifications for Road and Bridge Construction This shall
14. Fire hydrants shall be installed per City of Renton Standard Detail for fire hydrants, latest revision.
include necessary leveling of the trench bottom or the top of the foundation material, as well as
15. All watermains 10 inches and smaller to maintain a minimum cover of 36 inches below finish grade. All
placement and compaction of required bedding material, to uniform grade so that the entire length of the
watermain 12 inches and larger shall be at a minimum of 48 inches below finish grade. Where utility
pipe will be supported on a uniformly dense, unyielding base. Pipe bedding shall be pea gravel 6 inches
conflicts occur, watermains are to be lowered to clear.
above and below the pipe.
16. All watermains 6 inches and larger in diameter shall be cleaned with pipe cleaning "PIGS" prior to
14. Sanitary sewer pipe shall be polyvinyl chloride (PVC) rubber gasketed ASTM D 3034, SDR 35, or ductile
disinfection The "Poly pigs" shall be Girard Industries Aqua Swab -AS or approved equal, 2 lb/cu. ft. density
iron class 50.
foam with 90A durometer urethane rubber coating on the rear of "PIG" only.
15. In unimproved areas, manhole to extend minimum 6 inches and maximum 12 inches above finished
17. "PIGS" shall be cylinder shaped with bullet nose or square end. The contractor will perform the cleaning
grade. IN paved area, cover must slope in all directions to match paving.
operation.
18. All watermains and services shall be pressure tested to a minimum of 200 psi or 150 psi over operating
SURFACE WATER DRAINAGE NOTES AND SPECIFICATIONS
pressure, in accordance with the specifications of the City of Renton and the Washington State Health
1. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRE -CONSTRUCTION MEETING MUST
Department. All pressure testing shall be done in the presence of a representative of the City of Renton.
BE HELD WITH THE CITY OF RENTON PLAN REVIEWER.
The quantity of water lost from the main shall not exceed the number of gallons per hour as listed in City
2. All construction shall be in accordance with the current Standard Specifications for Road, Bridge and
of Renton Standard Plans & Specifications 7-11.3(1 1). The loss in pressure shall not exceed 5 psi during
Municipal Construction prepared by WSDOT and the American Public Works Associations (APWA), as
the 2 hour test period.
amended by the City of Renton Public Works Department.
19. All watermains and services shall be disinfected by the injection of a 50 ppm (minimum concentration)
3. The surface water drainage system shall be constructed according to the approved plans, which are
chlorine/water solution. Dry Calcium Hypochlorite shall NOT be placed in the pipe as laid. Chlorine shall be
on file in the Public Works Department. Any deviation from the approved plans will require written
metered/injected in accordance with Section 7-11.3(12)E or 7-11.3(12)F of the Standard Specifications
approval from the City of Renton Public Works Department, Surface Water Utility Section.
referenced above.
4. A copy of these approved plans must be on the job site whenever construction is in progress.
20. A pre -construction conference is required prior to any construction. A minimum of five (5) working days
5. Datum shall be NAVD 88 unless otherwise approved by the City of Renton Public Works Department.
notice is required for scheduling.
Reference benchmark and elevations are as noted on the plans.
21. Twenty-four (24) hours notice will be required prior to starting new construction.
6. All sedimentation/erosion facilities must be in operation prior to clearing and building construction, and
22. It shall be the contractor's responsibility to secure all necessary permits prior to starting construction,
they must be satisfactorily maintained until construction is completed and the potential for on site
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
erosion has passed.
7• All retention/detention facilities must be installed and in operation prior to or in conjunction with all
Renton.
construction activity unless otherwise approved by the Public Works Department, Surface Water Utility
24. All connection to existing mains is to be accomplished by the City of Renton, except wet taps, which may
Section.
be made by approved wet tap contractors with prior approval from the Public Works Department. All
8. Grass seed may be applied by hydroseeding. The grass seed mixture, other than City of Renton
necessary excavation and materials are to be supplied by the contractor and be on site prior to City
approved standard mixes, shall be submitted by a Landscape Architect and approved by the Public Works
notifications.
Department, Surface Water Utility Section.
25. Inspection will be accomplished by a representative of the City of Renton It shall be the contractor's
9. All pipe and appurtenances shall be laid on a properly prepared foundation in accordance with Section
responsibility to notify Development Services twenty four (24) hours in advance of backfilling all construction
7-02.3(1) of the current State of Washington Standard Specification for Road and Bridge Construction.
The contractor, as well as the engineers, shall keep as -built drawings.
This shall include necessary leveling of the trench bottom or the top of the foundation material, as well
26. Contractor to provide plugs and temporary blowoff assemblies for testing and purity acceptance prior to
as placement and compaction of required bedding material, to uniform grade so that the entire length of
final tie-in.
the pipe will be supported on a uniformly dense, unyielding base. All pipe bedding shall be APWA Class
27. All joint restraint systems (shackle rods, nuts, bolts, etc.) shall be as manufactured by the Star
"C", with the exception of PVC pipe. All trench backfill shall be compacted to minimum 95% for
Manufacturing Company of Columbus Ohio, or equal, approved in writing by the Public Works Department.
Pavement and structural fill and 90% otherwise per ASTM D-1557-70. Pea gravel bedding shall be 6
28. Asphalt and concrete street paving shall be sawcut to a minimum depth of two (2) inches. Oil mat
inches over and under PVC pipe.
10. Galvanized steel pipe and aluminized steel pipe for all drainage facilities shall have asphalt treatment
streets may be spade cut. All surface concrete, pavement, sidewalks, curb, gutters, and driveway approaches
#1 or better inside and outside.
shall be sawcut to a minimum depth of two (2) inches or removed to an existing expansion joint.um
11. Sturctures shall not be permitted within 10 feet of the spring line of any storm drainage pipe, or15
29. A temporary cold mix asphalt patch shall be placed on the day of initial excavation with a permanent,
feet from the top of any channel bank.
sealed patch to be placed, to City of Renton policy, within 10 days. Call for subgrade inspection prior to
12. All catch basin grates shall be depressed 0.10 feet below pavement level.
placement of final patch.
30. For City projects such a telemetry conduit, the PVC pipe used shall be All Chemical process lines shall be
13. Open cut road crossing through existing public right of way will not be allowed unless specifically
schedule 80 PVC pipe. Schedule 40 in unimproved areas and schedule 80 PVC pipe under improved areas.
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
SANITARY SEWER NOTES AND SPECIFICATIONS
to a depth of one (1) foot and must meet the following specifications:
1. All work materials shall be in conformance with the standards and specification of the City of Renton
4-8 inch rock / 40-70% passing;
Utility Department and the latest edition of the WSDOT/APWA Standards and Specifications.
2-4 inch rock / 30-40% passing; and
2. All construction shall be in accordance with "Standard Specifications for Municipal Public Works
less than 2 inch rock / 10-20% passing.
Construction" prepared by Washington State Chapter American Public Works Association, latest edition (APWA)
15. All building downspouts and footing drains shall be connected to the storm drainage system, unless
and City of Renton Standard Specifications.
approved by the City plan reviewer or Surface Water Utility Section. An accurately dimensioned, certified
3. All locations existing utilities shown are approximate and it shall be the contractors responsibility to
as -built drawing of this drainage system will be submitted to the City upon completion.
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verify the true andd correct location so as to avoid damage or disturbance.
16. Issuance of the building or construction permits by the City of Renton does not relieve the owner of
4. Contractor is solely responsible for the means, methods and sequences of construction and for the safety
the continuing legal obligation and/or liability connected with storm surface water disposition. Further,
of workers and others on the construction site.
the City of Renton does not accept any obligation for the proper functioning and maintenance of the
5. It shall be the responsibility of the contractor to obtain street use and any other related permits prior to
system provided during construction.
any construction.
17. The Contractor shall be responsible for providing adequate safeguard, safety devices, protective
6. Plans approved by the City of Renton, Public Works Department shall take precedence over all other plans.
equipment, floggers, and any other needed actions to protect the life, health, and safety of the public,
7.Aco roved
of these ap
proved pp plans
s must be on the job site whenever construction is in progress.
and to protect property in connection with the performance of work covered by the contract. Any work
8. The contractor shall provide the City of Renton with an as -built drawing of the sanitary sewer system,
within the traveled right of way that may interrupt normal traffic flow shall require a traffic control plan
which has been stamped and, signed by a licensed professional engineer or licensed professional surveyor.
approved by the Public Works Department, Transportation Systems Division. All sections of the WSDOT
9. Backfill shall be place equally on both sides of the pipe in layers with a loose average depth of 6
Standard Specifications 1-07-23 Traffic control shall apply.
inches, maximum depth of 8 inches, thoroughly tamping each layer to 95 percent of maximum density.
18. Special drainage measures will be required if the project location is within the aquifer protection area
These compacted layers must extend for one pipe diameter on each side of the pipe or to the side of the
(APA).
trench. Materials to complete the fill 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 neatline 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
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Department for the prevention of on site erosion after the completion of construction.
PITTMAN ENGINEERING_
Civil Engirr, -.i ig any 1Iting
John J. Pittman, P.E. 38th Street, #159
cellevue, WA 98006
(425) 562-7226
Few �QZ 1 PER CITY OF RENTON COMMENTS
2 MOVED PROPOSED FIRE HYDRANT
10 3iJ770 43 AS -BUILT WATER
rvA>ERE�'�~�
EXPIRES: 10/14/08 NO. REVISION
ACE V/
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SCALC: HORZ 1 "�20'; VERT 11"=5
EROSION CONTROL
19. All limits of clearing and areas of vegetation preservation as prescribed on the plan(s) shall be
clearly flagged in the field and observed during construction.
20 All ' d d' t t' t 1 jr 11 1't' 4.
require se Imen a on/ con ro cc l I ies mus be constructed and In operation prior to land
clearing and/or construction to ensure that sediment laden water does not enter the natural drainage
BENCHM�►RK
system. All erosion and sediment facilities shall be maintained in a satisfactory condition until such time
NAVD 88 - MAG NAIL IN ASPHALT ROAD APPROXIMATELY 45
that clearing and/or construction is complete and potential for on site erosion has passed. The
FEET EAST OF SOUTHEAST CORNER OF SITE
implementation, maintenance, replacement and additions to erosion/sedimentation control systems shall be
ELEVATION=420.31
the responsibility of the permitee.
21. The erosion and sedimentation control systems depicted on his drawing are intended to be minimum
requirements to meet anticipated site conditions. As construction progresses and unexpected or seasonal
BASIS
OF BEAD
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
MONUMENTED CENTERLINE OF NE 12th STREET BETWEEN
construction, it shall be the obligation and responsibility of the permitee to address any new conditions
MONUMENT #1843 AND #159
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.
DATUM
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, restrictors, channels, or retention facilities.
DATUM IS PER CITY OF RENTON SURVEY. COORDINATES ARE
23. During the time period of October 1st through April 30th, all project disturbed soil areas greater
WASHINGTON COORDINATE SYSTEM OF 1983/1991 NORTH ZONE.
than 5,000 square feet, that are to be left unworked for more than 12 hours, shall be covered by
ELEVATIONS ARE NAVD 88
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 of 30 days or more, all 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 AS -BUILT WATER LINE 7/16/08
other treatment approved by the City of Renton, outside the specified time period.
25. For all erosion/sediment??ation control ponds where the dead storage depth exceeds 6 inches, a CALL BEFOnc YOU DICE 1-SO�-424
fence is required with a minimum height of three (3) feet, 3:1 side slopes.
26. A temporary gravel construction entrance, 24 feet x 50 dwwr x 8 inches of 4 to 6 inch quarry
spolls shall be located at all points of vehicular ingress and egress to the construction site. --
RECOMMENDED �.r,E
FOR APPROVAL
EXISTING UTILITY LOCATIONS SHOWN HEREON ARE APPROXIMATE ONLY. IT SHALL BE THE CONTRACTOR'S
RESPONSIBILITY TO DETERMINE THE EXACT VERTICAL AND HORIZONTAL LOCATION OF ALL EXISTING UNDERGROUND BY
UTILITIES PRIOR TO COMMENCING CONSTRUCTION. NO REPRESENTATION IS MADE THAT ALL EXISTING UTILITIES BY
ARE SHOWN HEREON. THE ENGINEER ASSUMES NO RESPONSIBILITY FOR UTILITIES NOT SHOWN OR UTILITIES
NOT SHOWN IN THEIR PROPER LOCATION. BY
JJP 08/ t07 JJP SURVEYED. SCALE. VERTICAL: NAVD 1988
0 - B0Y0 AS NOTED HORIZONTAL: NAD 1983/1991 Al 1 C I TV 0 F
CHECKED FOR COMPLIANCE
TO CITY STANDARDS
Date
Date
Date
DAM
2-27-07
J i , JJP JJP DEa K>+
BEACH SHORT PLAT FlJJP 07 16/08 JJP LR E N TO N PAGE
TLR ONE INCH DATU M
DRNNN. 1333 MONROE AVENUE NE
DRawiKc NO -
CHECKED; JJP
AT FULL SCALE Planning/Building/Public Works Dept.
IF NOT ONE INCH NOTES and PROFILE
BY DATE APPR APPROVED: SCALE ACCORDINGLY SHEET: 2 OF: 2
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