Effective with the December 2018 Letting 462 2019 Standard Spec ifications Section 650 Construction Staking
650.1Description
bid items to establish the horizontal and vertical position for the following: Storm sewer Subgrade Base Curb, gutter, and curb & gutter Pipe culver ts Structure layout Concrete pavement Concrete ba rrier Resurfacing reference Electrical installations Supple mental Control Slope Stakes Curb Ramps 650.2 (Vacant)
650.3Construction
650.3.1 General
105.6 and the additional requirements specified here in 650.3 for th e individual contractor-staking bid items the contract includes.
The contract may require related work under the 621 bid items.
furnish data for the horizontal and vertical control points, co ntrol point ties, horizontal alignments, profiles, and elevations. Reestablish, set additional, and maintain the horizontal and vertical control points and control point ties, as needed for bid items. Furnish , set, reference, and maintain stakes and markings necessary to establish the alignment, location, benchmarks, elevations, and continuous profile-grades for road and stru cture work as needed for bid it ems. Supervise and coordinate construction staking.
and dimensions, that either the pl ans show or the engineer prov ides, for compatibility with existing field conditions. Conduct similar compat ibility checks and accuracy checks of horizontal and vertical positions either the department o r the contractor establishes in the field.
guidance. The contractor may employ global positioning technolo gy, robotic total station systems, laser systems, conventional met hods, or other engineer-approved methods the engineer deems capable of achieving the specif ied horizontal and vertical tole rances for the work in question. Establish additional benchmarks and contro l points as necessary to suppor t the method of operation.
the lines and grades. Make the su rvey notes and computations available to the engineer within 24 hours, upon request, as th e work progresses.
perform this work, subject to the engineer’s approval. 650.3.2 Storm Sewer
support the method of operations . Locate pipe, inlet, catch bas in, manhole, and endwall construction stakes to within 0.02 feet horiz ontally and establish the elevations to within 0.01 feet vertically. Determine that the final elevati ons of storm sewer pipe outfalls and inlets match the existing field elevations, and provide this information to the engineer at a mutually agreed upon date or least 14 calendar days before ordering in lets, catch basins, manholes, endwalls, and storm sewer pipe. 650.3.3 Subgrade 650.3.3.1 General
system (GPS) machine guidance fo r conventional subgrade staking on all or part of the work. The engineer may require the contra ctor to revert to conventionals ubgrade staking methods for all or part of the work at any point during construction if, in the enginee r's opinion, the GPS machine guidance is producing unacceptable results. 650.3.3.2 Subgrade Staking
intervals of 50 feet, or more frequently, for urban sections. Include additional stakes at each cross-
Effective with the December 2018 Letting 463 2019 Standard Spec ifications section as necessary to match t he plan cross-section, achieve t he required accuracy, and to support construction operations. Also set and maintain stakes as necessary to establish the horizontal and vertical positions of intersecting road radii, auxiliary lanes, horizontal and vertical curves, and curve transitions. Locate stakes to within 0.25 feet horizontally and establish the grade elevation to within 0.03 feet vertically. 650.3.3.3 GPS Machine Guidance 650.3.3.3.1 General
using GPS machine guidance confor ms to the contract tolerances and that the methods employed conform to the contractor's GPS work plan and accepted industry standards. Address GPS machine guidance issues at weekly progress meetings. 650.3.3.3.2 GPS Work Plan
the preconstruction conference. The enginee r will review the plan to determine if it conforms to the contract.
during construction of the subgrade.
other technologies employed on t he project. Include, but do not limit the contents to, the following:
be done using conventi onal subgrade staking.
Designate a single st aff person as the primary contact for GPS technology issues.
the site.
control points used to check the site calibration . Describe the site calibration and checking frequency as well as how the site calibration and checking information will be documented.
calibration, and maintenance o f equipment. Inclu de the frequenc y and type of checks performed to ensure that the constructed subgrade conforms to the contract plans. 650.3.3.3.3 Equipment
to ensure that the final subgrade conforms to the contract plans. 650.3.3.3.4 Geometric and Surface Information 650.3.3.3.4.1 Department Responsibilities
department will provide the packe t within 5 business days of re ceiving the contractor's request. 650.3.3.3.4.2 Contractor Responsibilities
guidance. Confirm that the design surface DTM agrees with the c ontract plans.
format. 650.3.3.3.4.3 Managing a nd Updating Information
department will determine what revisions may be required. The department will revise the contract plans, if necessary, to address errors or discrepancies that th e contractor identifies. The department will provide the best available in formation related to those co ntract plan revisions.
contract plan revisions the depa rtment makes. Perform checks to confirm that the revised design surface DTM agrees with the cont ract plan revisions. Provide a copy of the resultant revised design
Effective with the December 2018 Letting 464 2019 Standard Spec ifications surface DTM to the engineer in Lan dXML or other engineer-approved format. The department will pay for costs incurred to incorporate contract plan revisions as ex tra work. 650.3.3.3.5 Site Calibration
mile, whichever is greater, for site calibration for the portio n of the project employing GPS machine guidance. Incorporate the departm ent-provided control framework used for the original survey and design.
the project coordinate system. Use the full set of control poin ts designated under 650.3.3.3.5 (1) for the initial site calibration. Pro vide the resulting site calibr ation file to the engineer before beginning subgrade construction operations. 650.3.3.3.6 Construction Checks 650.3.3.3.6.1 Daily Calibration Checks
control points not used in the in itial site calibration. At a m inimum, check the calibration at the start of each day as described in the contra ctor's GPS work plan. Report out-of-tolerance checks to the engineer. The measured position mu st match the established position at each individual control point within the following tolerances: - Horizontally to 0 .10 feet or less. - Vertically to 0. 05 feet or less.
monitoring the GPS work. 650.3.3.3.6.2 Final Subgrade Elevation Checks
at stations evenly divisible by 100. Conduct at least 20 random checks per stage, per project, or per mainline roadway mile whichever r esults in the most tests. Also check the subgrade at additional points as the engineer directs. Notify the engineer at least 2 business days before making subgrade checks so the engineer can observe the process.
vertically of the plan elevation . Notify the engineer if more t han one of any five consecutively tested random subgrade points differs by more than 0.10 feet from the plan elevation.
contractor if any individual check differs by more than 0.10 fe et from the design. 650.3.4 Base
sections. Set and maintain suffi cient stakes at each cross-section to match plan cross-section, achieve the required accuracy, and to support the method of operations. Set and maintain stakes as necessary to establish horizontal and vertical position along intersectin g road radii, auxiliary lanes, vertical and horizontal curves, and curve trans itions. Locate stakes within 0.25 feet horizontally and establish the grade elevation to within 0.03 feet vertically. 650.3.5 Curb, Gutter, and Curb & Gutter
to achieve the required accura cy and to support the method of o perations. Set additional construction stakes as necessary to establish location and grade of curb, gu tter, and curb & gutter, including points where the alignment or grade changes, along intersecting radii, and at the radius points of intersecting road radii. Locate stakes to wit hin 0.02 feet horizontally and establish elevations to within 0.01 feet vertically. 650.3.6 Pipe Culverts
support the method of operations. Locate stakes for pipe culver ts and appurtenant inlets and catch basins to within 0.25 feet horizontally and establish the grade elevation to within 0.03 feet vertically. If installing pipe culverts at existing drainage ditches, verify t he existing ditch location, elevations, and skew for a minimum of 150 feet fr om pipe ends, and provide this information to the engineer at a mutually agreed upon date or 14 calendar days before ordering p ipe culverts.
Effective with the December 2018 Letting 465 2019 Standard Spec ifications 650.3.7 Structure Layout
whichever is appropriate, for bot h roadway and su bstructure units. Establish the plan horizontal and vertical positions to the required accuracy. Also, set and maintain stakes and marks as necessary to support the method of operations. Locate stakes and marks to wi thin 0.02 feet of the true horizontal position, and establish the grad e elevation to within 0.01 feet of true vertical position. The department, unless the contracts pecifies otherwise, will compute deck grades with contractor-supplied girder elevation data. 650.3.8 Concrete Pavement
to establish location and gradeal ong intersecting road radii; and for auxiliary lanes , vertical curves, horizontal curves, and curve trans itions according to the plans . Locate stakes to within 0.02 feet horizontally and establish elevations to within 0.01 feet verti cally. Set and maintain sufficient additional stakes at each cross-section to achieve the required accuracy a nd to support the method of operations. 650.3.9 Concrete Barrier
necessary to establish location and grade of concrete barrier i ncluding points where the grade changes, along intersecting rad ii, and at the radius point of i ntersecting radii to achieve the required accuracy and to support the method of operations. Locate stakes to within 0.02 feet horizontally and establish the grade elevation to within 0.01 feet vertically. 650.3.10 Resurfacing Reference
construction stakes or pins for offsetting the roadway referenc e line at 100-foot intervals, minimum, or as the engineer directs.
or as the engineer directs.
road radii, auxiliary lanes, and curve transitions according to the plans. 650.3.11 Electrical Installations
support the method of operations. Locate stakes to within 0.02 feet horizontally and to establish the grade elevation to within 0.01 feet vertically. 650.3.12 Supplemental Control
third-order, class I horizontal and third-order vertical accura cy. Check the department-provided horizontal and vertical contro l information and notify the engi neer of any discrepancies. Provide marks to establish and maintain interme diate vertical and horizontal control for referenc e line alignment, side road alignments, radius points, bench level circuits, and offse tting the horizontal roadway alignment. These marks constitute the fiel d control used to govern and pro secute the work.
alignment points, and benchmarks to allow for quick reestablishment of the plan data at any time during construction and upon proj ect completion. Document additional control on department forms DT1291 and DT2262 as described in CMM 7-10 . 650.3.13 Slope Stakes
Take and document a minimum of 7 shots per roadway section, one at the centerline or at an engineer-approved offset from the centerline and 3 on each side of the roadway. For the shots on the roadway sides, take one shot at t he subgrade shoulder point, on e shot at the slope stake, and one shot at the slope intercept. If the elevation at the slope inte rcept is off by more than 0.4 foot, notify the engineer.
Locate stakes to within 0.25 fee t horizontally and establish el evations to within 0.1 feet vertically. Stake additional clearing & grubbing and marsh excavation limits.
Effective with the December 2018 Letting 466 2019 Standard Spec ifications 650.3.14 Curb Ramps
and the adjacent sidewalk. Locate stakes to within 0.02 feet ho rizontally and establish the grade elevation to within 0.01 feet vertically. Adjust elevations as required to conform to the plans.
650.4Measurement
pavement, resurfacing reference, and slope stakes by the linear foot acceptably completed, measured along each roadway centerline. The department will not measure staking for base underlying concrete pavement.
acceptably completed, measured along the base of the curb face. The department will measure Construction Staking Concrete Barrier by the linear foot acceptably completed, measured along the base of the barrier. The department will not measure these bid items if abutting concrete pavement. Revise 650.4(3) to measure curb ramp staking only when the plan details contain locati on-specific layout information.
completed as follows: - Construction Staking StormSe wer: as each indi vidual inlet, c atch basin, manhole, and endwall. - Construction Staking Pipe Culv erts: as each individual pipe c ulvert. - Construction Staking Curb Ram ps: as each individual curb ramp opening with location-specific layout information that includes el evations in the plan details .
sum unit for each structure acceptably completed. The departmen t will measure Construction Staking Electrical Installations as a single lump sum unit for all elec trical installations on each project acceptably completed. The departm ent will measure Construction Staking Supplemental Control as a single lump sum unit for all cont rol marks on each project acce ptably completed.
650.5Payment
items: ITEM NUMBER DESCRIPTION UNIT
650.4000 Construction Staking Storm Sewer EACH
650.4500 Construction Staking Subgrade LF
650.5000 Construction Staking Base LF
650.5500 Construction Staking Curb Gutter and Curb & Gutter LF
650.6000 Construction Staking Pipe Culverts EACH
650.6500 Construction Staking Stru cture Layout (structure) LS
650.7000 Construction Staking Concrete Pavement LF
650.7500 Construction Staking Concrete Barrier LF
650.8000 Construction Staking Resurfacing Reference LF
650.8500 Construction Staking Electrical Installations (project) LS
650.9000 Construction Staking Curb Ramps EACH
650.9910 Construction Staking Supp lemental Control (project) LS
20 Construction Staking Slope Stakes LF
notes and computations used to establish the required lines and grades to the engineer within 21 days of completing this w ork. The department will deduct from payments due the contractor for the additional costs specified in 105.6 .
construction stakes; for adjusting stakes to ensure compatibili ty with existing field conditions; and for relocating and resetting damaged or missing construction stakes .
preliminary construction stakes, and protecting and reestablishing the alignment of roadways.
for storm sewer pipe associated with each inlet, catch basin, m anhole, or endwall staked.
Effective with the December 2018 Letting 467 2019 Standard Spec ifications (6) Payment for Construction Staking Pipe Culverts also includess etting construction stakes for appurtenant inlets and catch basi ns as necessary associated wit h each pipe culvert staked.
Effective with the December 2018 Letting 468 2019 Standard Spec ifications Section 651 General Requirements for Electrical Work
651.1Description
requirements used to perform ele ctrical work required in the co ntract under 652 through 678.
651.2Materials
under the provisions of the SPS 316 component of the WSEC.
department's QPL.
drawings to the engineer. Include bid items, names and addresses of manufacturers, catalog cut sheets with catalog numbers, and manufacturer's specifications in the materials list. Do not deliver materials or begin the work wit hout the engineer's written approval. The engineer may reject all or part of the materials list. Resubmit a lternatives for rejected mater ials within 15 business days of receipt of the engineer's written rejection . Do not substitute or change materials without the engineer’s written approval.
not have a UL or NRTL standard.
will compensate the contractor if material is destroyed.
following terms: - Ensure that return materials ar e new and in original packagin g. - Return materials to the electr ical unit within 6 months of the date that they w ere picked up. - Region electrical personnel w ill not release loaned materials for contractor pick up until the region traffic engineer has a copy of the contractor's order forms for exact r eplacement materials. - Ensure that contractor-ordered replacement materials conform to the latest specific ations and drawings used for new state replacement orders. - The department will not accept monetary reimbursement.
651.3Construction
651.3.1 General
or other material during excavation, remove and dispose of that material. Place trench backfill in 12- inch or shallower thoroughly-compact layers. Dispose of excess material as specified for disposing of surplus unsuitable material in 205.3.12 . Restore areas damaged or disturbed by the contractor's operations.
connections exposed to the weathe r. Do not use spray-on products. Do not apply anti-seize compound to the following: - Electrical Connections. - Anchor rods and anchor assemb lies associated with type 9, 10, 12, & 13 poles under 657, high mast light poles under 660, and camera poles under 677. - Friction connections using ASTM F3125 high-strength A325 steel bolts.
with 2 coats of synthetic resin enamel or with 2 coats of engin eer-approved zinc- rich paint. Repair damage to galvanized coatings wit h 2 coats of zinc dust/zinc ox ide paint conforming to 614.2 . These requirements apply to both contra ctor-furnished and state-furni shed equipment.
electrodes.
- Remove unused signal heads or cover them from traffic's view. - Energize and turn on availabl e intersection lighting if signalization is not operational unless the engineer approves otherwise.