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PATRICK HARRON &
ASSOCIATES, LL)
Patrick Harron &
Associates, LLC
Engineering
Planning
14900 1- 1.1ban Ave. S.
Suit¢ Number 279
Seattle, WA 98166
T 206.674.4659
F 206.674 4660
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Water Utility Notes and Specifications:
1. 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 /Building /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
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
verify the true and correct location so as to avoid 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 be cement lined ductile iron pipe conforming to AWWA C110 and Clll 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. Cast 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 joints 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 joint(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 vales 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 shall be fitted with cast iron threaded caps with operating nut of the
same 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 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. 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 and 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 a 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 /water 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 made by approved wet tap 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 contractor's
responsibility to notify Development Services twenty four (24) hours in advance of backfilling 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.
FOSTER SHORT PLAT
SE OF SECTION 19, TOWNSHIP 23, RANGE 05, W.M.
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. *
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 contractor'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 a 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 fill over pipe shall be the same 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
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 gr6vel.6
inches above and below the pipe.
14. Sanitary sewer pipe shall be polyvinyl chloride (PVC) rubber gasketed ASTM D 3034, SDR 35, or
ductile iron class 50.
15. In unimproved areas, manhole to extend minimum 6 inches and maximum 12 inches above finished
grade. In paved area, cover must slope in all directions to match paving.
TALBOT ROAD SOUTH TEMPORARY ROADWAY SECTION
NITS
12'
ASPHALT DRIVEWAY 2° COMP. DEPTH CL B ACP
NTS 0.6" CSBC
Oery�l
ROCKED CONSTRUCTION ENTRANCE
N. T. S.
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 and
Municipal 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 be supported on a uniformly dense, unyielding base. All pipe bedding shall be APWA
Class "C ", with the exception of PVC pipe. All trench backfill 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 a 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, flaggers, and any other needed actions to protect the life, health, and safety of the public,
and to protect property in connection with the performance of work covered by the contract. Any work
within the traveled right of way that may interrupt normal traffic flow shall 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).
3 3 3
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DRAINAGE -SWALE
N. T. S.
RECOMMENDED FOR APPROVAL
BY: DATE:
BY: DATE:
BY: DATE:
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.!%% STANDARDS
BY: DATE:
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NOTE:
EXISTING UTILITY LOCATIONS SHOWN ARE APPROXIMATE ONLY. IT SHALL
BETH THE CONTRACTOR'S RESPONSIBILITY TO DETERMINE THE EXACT
VERTICAL AND HORIZONTAL LOACATION OF ALL EXISTING UNDERGROUND
UTILITIES PRIOR TO COMMENCING CONSTRUCTION. NO REPRESENTATION
IS MARE THAT ALL EXISTING UTILITIES ARE SHOWN HERON. THE ENGINEER SHEET 5 O F 8
ASSUMES NO RESPONSIBILITY FOR UTILITIES NOT SHOWN IN THEIR PROPER
LOCALTION.
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