HomeMy WebLinkAboutC_PreConstructionMeetingNotes_170713.docxCITY OF RENTON
PRECONSTRUCTION MEETING
Dylan Short Plat, 7/13/2017
PROJECT PERSONNEL:
Ann Fowler, City Project Manager 425-430-7382
Brad Stocco, Public Works Inspector 425-282-2373
Corey Thomas, Fire Inspector 425-430-7024
Clark Close, Planning Reviewer 425-430-7289
GENERAL:
Call the construction inspection line at 425-430-7203 24 hours before you start work. Notify Fire Dispatch, Renton Police Department, and King County Metro of project construction schedule.
Fire Dispatch can be reached at 253-852-2121. The Renton Police Department can be reached at 425-430-7500. King County Metro can be reached at 206-447-1140.
CONSTRUCTION HOURS OUTSIDE OF RIGHT OF WAY: 7:00 AM to 8:00 PM Monday thru Friday and 9:00 AM to 8:00 PM on Saturday. Saturday work is by permission only. No work is allowed on Sunday.
CONSTRUCTION HOURS INSIDE OF RIGHT OF WAY: Follow approved traffic control plan. Saturday work is by permission only. No work is allowed on Sunday.
RIGHT OF WAY HAUL HOURS: 8:30 AM to 3:30 PM Monday thru Friday. Hauling on Saturday is by permission only. No hauling is allowed on Sunday.
INSPECTION HOURS: 7:00 AM to 3:30 PM Monday thru Friday. Contractor must call for City inspection before 3:00 PM on the previous day. Inspections outside of inspection hours must be
requested.
To request work, hauling, and inspections outside of the hours listed above, contact the City no later than three working days prior to the requested activity.
Inspections outside of normal working hours (after hours, night work, holiday work, etc.) is subject to overtime billing of $75.00 per hour. Overtime billing is authorized by a completed
Authorization of Special Billing form. The Authorization of Special Billing form shall be signed and provided to the City prior to construction permit issuance.
Contractors shall use only sets of drawings approved by the City for constructing utility and transportation improvements. Approved drawings are signed by the Project Manager and /
or other city staff on each plan sheet. A set of approved drawings shall be kept on-site at all times.
RECORD DRAWINGS: It is the responsibility of the contractor and engineer to keep record drawings. All changes to the approved construction plans shall be shown on the record drawings.
Record drawings are required to be submitted to the City. Record drawings submitted to the City shall be prepared, stamped, and signed by a Professional Land Surveyor or Professional
Engineer licensed in the State of Washington.
All plan sheets with utility and transportation improvements including those constructed per design, must be verified, stamped, and signed “As-Built”. Record drawings shall first be
submitted to the City for review by the Public Works Inspector. Once the record drawings are approved by the Public Works Inspector, final mylars shall be submitted for City permanent
records. Recording of the final plat or short plat or issuance of final occupancy will not be completed until final record drawing mylars are received.
If water mains will be constructed as part of the project, the Engineer of Record will be required to provide a signed Washington State Department of Health Construction Completion Report
Form along with the Record Drawings. The form can be obtained at the following address: http://www.doh.wa.gov/Portals/1/Documents/Pubs/331-146-F.pdf.
If the materials shown on the approved plans differ from those shown in the City standard details, material submittals shall be made to the Project Manager for approval prior to installation.
MINOR FIELD CHANGES: Identify the proposed change(s) to the Public Works Inspector. If the Public Works Inspector determines that the change(s) is minor, the Public Works Inspector
can approve the change(s) in the field. A summary of any minor changes approved by the Public Works Inspector shall be emailed to the Project Manager. If the Public Works Inspector
determines that the change(s) needs further review and approval from other City staff, the contractor shall follow the directions in the Major Field Changes section below.
MAJOR FIELD CHANGES: Submit a digital plan clearly showing the proposed change(s) and justification via email to the Project Manager and Public Works Inspector. City staff will respond
to the requested change within two business days. The Public Works Inspector cannot give approval for major construction changes in the field.
Trenches with City utilities shall be left open for inspection prior to backfill.
A spill kit shall be located on site and easily identifiable with signage.
FINAL SHORT PLAT SUBMITTAL: The permitted work shall receive a Public Works Approval Letter required to submit for Final Short Plat when the following work has been deemed complete
(or deferred) by the Project Manager and Public Works Inspector:
Installation of the storm conveyance system shall be completed.
All frontage improvements, driveways, sidewalks, curb, gutter, right-of-way landscaping, shall be completed.
Water service line and meter installations shall be completed.
Sewer stub installation to the new lot shall be completed.
Paving of the shared driveway tract shall be completed.
All right-of-way trench restorations shall be completed.
PROJECT CLOSEOUT: A project closeout letter will be sent to the applicant from the Project Manager when the permitted work is nearing completion.
FINAL INSPECTION WALKTHROUGH: Contractor shall accompany the Site Inspector during the final walkthrough and provide any required traffic control.
TRANSPORTATION:
TRAFFIC CONTROL PLAN: An approved traffic control plan in accordance with the Manual on Uniform Traffic Control Devices (MUTCD) is required prior to any construction activity in the
right of way.
A traffic control plan should be submitted to the Project Manager for review at least three working days prior to proposed work in the right of way. The traffic control plan shall be
submitted with the traffic control plan cover sheet found here: http://rentonwa.gov/uploadedFiles/Living/PBPW/TRANSPOR/FinalTCP(1).pdf. The traffic control plan shall address both
roadway / vehicular and sidewalk / pedestrian traffic impacts.
STREET RESTORATION: Street restoration is required to conform to the City of Renton Trench Restoration and Street Overlay Requirements. A copy has been provided. All street repairs
shall be complete and in place within 14 days, or as directed by the Public Works Inspector.
PAVING: Paving shall be done in accordance with WSDOT Standard Specifications Division 5. Weather limitations from this specification shall be followed. Reference Section 5-04.3(16)
for HMA weather limitations. Pavement subgrade and rock surfaces shall be compacted to at least 95% of the maximum density.
TRENCHES: Trenches shall not be left overnight without approval of the Public Works Inspector. Trenches shall be backfilled, plated, or fenced. The proposed method of cover or protection
shall be submitted to the Public Works Inspector for approval. Shoring plates and cold mix shall be available on site at all times. The Public Works Inspector will require cold mix
for trench restoration in sidewalks or driveways.
City streets shall be kept clean at all times. Streets shall be swept in a timely manner. Truck washing and / or other measures as approved by the Public Works Inspector may be required
for the duration of the project.
Construction traffic shall observe all traffic laws. All hauling shall consist of legal loads.
The right of way shall remain unobstructed when possible. No stockpiles are allowed in the right of way. All truck maneuvering and materials storage shall occur on-site.
CITY UTILITIES
WATER:
For water main shut downs or to open or close a valve, call the City Public Works Maintenance Services Division at 425-430-7400. For emergency water shutdowns, call 911.
Pipe materials, valves, and fittings shall be as indicated on the approved plans and standard notes.
When installing water main in new roadways, the proposed road prism shall be constructed to subgrade prior to any utility installation.
The City of Renton shall install all connections to existing mains. The contractor shall construct the new water main to a point approximately ten feet short of the existing main. All
necessary excavation, shoring, and materials are supplied by the contractor and shall be on-site prior to scheduling. Allow at least seven working days advance notice, and schedule
the connection through the Public Works Inspector.
Temporary and permanent thrust blocks shall be formed. Concrete for thrust blocks shall be delivered to the job. No on-site mixes are allowed. Standard mix design shall be 3,000
psi. All blocking shall be inspected before backfilling.
Procedure for cleaning and construction testing of new water lines:
Pipe cleaning shall be by poly pigging through vertical crosses installed at the ends of the water lines to serve as pig launches and sediment traps.
Water main shall be polywrapped.
All water lines shall be pressure tested to minimum of 200 psi or 150 psi over operating pressure (static) for 2 hours. Services may be tested separately by visual inspection of the
corp stop under static pressure.
Chlorinate for 24 hours, using liquid chlorine and chlorine pump assembly. The Public Works shall schedule chlorination. Seven working days advance notice is required.
Water used for flushing water lines shall be drained into the sanitary sewer only.
The construction inspector will collect purity tests at blow-offs. Water purity tests are taken to the testing laboratory by the Public Works Inspector. Test results are available
in 5-7 days.
5/8” minus crushed rock backfill to grade is required in City right-of-way. Recycled 1-1/4” concrete may be used in lieu of crushed rock backfill. Pit run type material may be considered
for use in backfill if approved by the Public Works Inspector. Backfill shall be compacted to at least 95% of maximum density. Compaction testing is required.
Where conflict exists, the water main shall go under other utilities; however, it is preferred that no water mains shall have more than six feet of cover. Water mains with a diameter
of 10-inches and under shall have a minimum of three feet of cover. Water mains 12-inches and larger shall have a minimum of four feet of cover.
All bends on water mains shall be surveyed prior to backfill with horizontal and vertical control for all bends established.
Final acceptance shall be after final walk through inspection, adjustment of all structures, and approval of as-builts, cost data inventory, easements and bill of sale if applicable.
SANITARY SEWER:
Pipe and materials shall be as indicated on the approved plans and standard notes. Any sewer pipe with less than four feet or greater than fifteen feet of cover shall be Ductile Iron,
Class 50, or C900 pipe.
When installing sewer main in new roadways, the proposed road prism shall be constructed to subgrade prior to any utility installation.
All manholes shall have all interior surfaces, including channeling, coated/sealed with a high solids urethane coating: Wasser MC-Conseal or approved equal. Coating shall be white.
Pipe bedding shall be pea gravel or 5/8" minus crushed rock as approved by the Public Works Inspector. Bedding shall extend 1-foot above the pipe and 6-inches below the pipe. Backfill
shall be compacted to at least 95% of maximum density. Compaction testing is required.
A Number 6 wire shall be wrapped around the stub and extended to the top with a 2” x 4” marker stenciled in white.
Contractor shall as-built the invert elevation of all side sewer stubs. If cleanouts are installed, the top and flowline shall be as-built and noted on the record drawings.
No shims or wedges shall be used on any utility structure.
Contractor will be responsible for TVing of the sewer main. TVing shall occur after channeling and coating is complete. Pressure tests on the main and side sewers shall be per City
specifications.
Sewer mains may be surveyed after backfill using the manholes as access points.
STORM/EROSION CONTROL:
Approved temporary erosion and sediment control (TESC) and stormwater pollution prevention and spill control (SWPPS) measures are to be installed as first order of business and maintained
at all times per the approved drawings or at the direction of the Construction Stormwater Supervisor, project Certified Erosion and Sediment Control Lead (CESCL), or Public Works Inspector.
The approved Stormwater Pollution Prevention Plan (SWPPP) (over 1 acre disturbed) or Construction Storm Pollution Prevention Plan (CSWPPP) (under 1 acre disturbed) shall be located on
site at all times.
The Construction Stormwater Supervisor or CESCL shall review the site’s TESC and SWPPS measures at least weekly and within 24 hours of significant storms.
Weekly reports outlining the status and condition of the erosion control plan, with any recommendations of change or revision to maintenance schedules or installation, are required to
be submitted by the project Engineer of record or CECSL to the Project Manager and Public Works Inspector. Weekly reports shall include the project’s NPDES permit number (if applicable).
If dewatering for the site is required, all site construction stormwater discharge shall be less than 25 NTUs if discharged into Waters of the State. Any pipe conveyance system that
eventually discharges to a body of water is construed as discharging into Water of the State.
If dewatering is proposed to the City sewer then a permit from the City and King County will be required. If dewatering is proposed to a sewer system belonging to another sewer district,
contact that district for approval. Contractor is strongly encouraged to obtain all required sewer discharge permits in advance of any anticipated need to discharge to a sewer.
Wet Season requirements found in Appendix D of the 2017 City of Renton Surface Water Design Manual (RSWDM) shall be adhered to for construction occurring between October 1st and April
30th.
Dust control shall be implemented as directed by the Public Works Inspector.
Proper removal of all TESC measures is required prior to permit closeout unless otherwise approved by the Public Works Inspector or Project Manager.
Pipe and materials shall be as indicated on the approved plans and standard notes.
When installing storm drain in new roadways, the proposed road prism shall be constructed to subgrade prior to any utility installation.
Contractor must notify the Project Manager and Public Works Inspector of any vertical conflict prior to proceeding with construction. Any proposed changes shall be submitted to the
City as described in the Major Field Changes note.
Pipe bedding material shall be per WSDOT Standard Specifications 9-03.12(3) or as approved by the Public Works Inspector. Backfill shall be compacted to at least 95% of maximum density.
Compaction testing is required.
Smooth interior wall corrugated polyethylene stormwater pipe, where permitted, shall use watertight couplings. It shall also be bedded in pea gravel as described in the City specifications.
Catch basins shall be grouted smoothly.
No shims or wedges shall be used on any utility structure.
Contractor will be responsible for TVing of the storm drain. Pressure tests on the storm drain shall be per City specifications.
The storm system shall be flushed and cleaned prior to final approval. This includes the downstream system for a minimum of two structures or 500 feet, whichever is greater.
FRANCHISE UTILITIES:
Permits for franchise utility work shall be obtained prior to franchise utility installation in existing or future right of way. Each franchise utility requires a separate permit.
Franchise permits can be applied for at the permit counter on the 6th floor of City Hall. Plans should be submitted at least two weeks prior to anticipated installation. Provide a
copy of the approved composite utility drawing with each franchise permit application.
All franchise utilities within the City of Renton right of way must be inspected by the City of Renton Franchise Inspector. Call the inspection line at 425-430-7203 24 hours prior to
installation.
Permits for each franchise utility in a joint trench shall be obtained prior to the excavation of the joint trench.
All franchise utilities shall be separated a minimum of 5’ horizontally and 12” vertically from all City utilities.
The composite utility drawing shall be as-built to show all franchise utility locations and crossings. The as-built composite drawing shall be included with the record drawing submittal
after construction is complete.
FIRE PREVENTION:
Access to the site shall be maintained at all times. Access must be able to support emergency equipment in all types of weather.
Hydrants are required to be in place prior to any combustible installation above the foundations.
All new hydrants shall be Cory type hydrants and painted Safety Yellow. Iowa and Renselear are manufacturers of Cory type hydrants. Alternative hydrants, such as Clow Medallion or
Mueller Super Centurion have been approved for use. Any hydrant installed shall be equipped with 5-inch diameter Storz "quick connect" style fitting. All concrete blocking for the
hydrant assembly shall be inspected by the Public Works Inspector prior to backfill.
New hydrants shall be covered with burlap or heavy plastic and wrapped until operational.
Hydrant water main leads that exceed 50 feet in length shall consist of a minimum of 8-inch diameter pipe.
A separate permit from the Renton Fire Authority is required for the following items. These permits can be applied for at the 6th Floor of City Hall.
Underground water mains serving fire sprinkler systems. All fire sprinkler systems shall be installed by a Fire Sprinkler Contractor licensed in the State of Washington.
Temporary storage, handling, or use of hazardous materials, as required by International Fire Code and City of Renton Ordinance.
Temporary storage of fuel on site.
Abandonment, removal, or installation of fuel storage tanks.
Hot works on site (welding, soldering, cutting, brazing, etc.).
PLANNING:
TREE PROTECTION:
Prior to development activities, the applicant shall erect and maintain six foot (6’) high chain link temporary construction fencing around the drip lines of all retained trees or at
a distance surrounding the tree equal to one and one-quarter feet (1.25’) for every one inch (1”) of trunk caliper, whichever is greater, or along the perimeter of a tree protection
tract. Placards shall be placed on fencing every fifty feet (50') indicating the words, “NO TRESPASSING – Protected Trees,” or on each side of the fencing if less than fifty feet (50').
Site access to individually protected trees or groups of trees shall be fenced and signed. Individual trees shall be fenced on four (4) sides. In addition, the applicant shall provide
supervision whenever equipment or trucks are moving near trees.
The applicant may not fill, excavate, stack or store any equipment, dispose of any materials, supplies, or fluids, operate any equipment, install impervious surfaces, or compact the
earth in any way within the area defined by the drip line of any tree to be retained.
All areas within the required fencing shall be covered completely and evenly with a minimum of three inches (3”) of bark mulch prior to installation of the protective fencing. Exceptions
may be approved if the mulch will adversely affect protected ground cover plants.
The applicant shall retain a certified arborist or licensed landscape architect to ensure trees are protected from development activities and / or to prune branches and roots, fertilize,
and water as appropriate for any trees and ground cover that are to be retained.
Tree protection (fencing, etc.) must be retained throughout the project (site and building development).
If applicable, no work shall occur within critical areas and /or buffers unless modified according to RMC 4-3-050 (buffer reduction, averaging, critical area variance and / or exemption).
Mitigation plantings shall occur in accordance with the approved Final Mitigation plan.
Contact the Planning Reviewer directly for landscape inspection.
The contractor / applicant shall comply with all conditions of land use approval and SEPA Environmental Review. Conditions are listed on the first or second sheet of the approved plan