EARTHWORK 202.01 without damaging the right -of-way fence. Repair fence dama ged by the removal of the cedars at no additional cost to the Department. Dispose of the cedars in accordance with Subsection 201.04.A, “Clearing, ” and in a manner approved by the Engineer.
201.05 Method of Measurement — Vacant
201.06 Basis of Payment
The Department will pay for each pay item at the contract unit price per the specified pay unit as follows: Pay Item: Pay Unit:
A.CLEARING AND GRUBBING Lump Sum
B.SELECTIVE CLEARING Lump Sum Include the cost of disposing of debris outside the right -of-way in the contract unit price for Clearing and Grubbing or Selective Clearing . If a pay item for Clearing and Grubbing or Selective Clearing does not exist, Include the cost of the work in the appropriate earthwork or fencing pay item in accordance with the Plans. Include the cost of Eastern Red Cedar removal in the cost bid for Clearing and Grubbing . If no pay item exist within the contract for clearing and grubbing, include the cost of removal in other items of work.
202.01 Description
This work consists of excavating material and constructing embankments, which includes hauling, stockpiling, placing, disposing, sloping, shaping, compacting, and finishing earth material. There are three categories of earthwork — excavation and borrow, embankment, and lump sum earthwork.
A.Excavation and Borrow This work consists of removing, disposin g of, or compacting earth material, except material removed under another category. The types of excavation and borrow are defined as follows: Unclassified Excavation. Excavation of earth material within the right -of-way, with the exception of muck excava tion, rock excavation, and structural excavation in accordance with Section 501, "Excavation and Backfill for Structures." Muck Excavation. Excavation of soil mixed with organic matter or other materials not suitable for foundati on material, regardless of moisture content or other characteristic.
202.02 Earthwork
Rock Excavation. Excavation of sound and solid masses, layers, or ledges of mineral matter classified as rock using either of the following methods: Cannot be effectively loosened or br oken down by ripping with equipment in accordance with Subsection 202.03, "Equipment" ; or Has a seismic velocity of at least 7,000 ft/s [2,100 m/s] (if the seismic velocities are less than 7,000 ft/s [2,100 m/s], use the ripping method to determine material classifications). Unclassified Borrow. Material obtained outside the right -of-way or easement areas, and not classified as Select Borrow . Select Borrow. Borrow material that is in accordance with Section 705, “Select Borrow, ” or that is indicated (e.g., specific soil groups, group characteristics, or material obtained from a sandstone formation). Selective Subgrade Topping. Material used to construct the top portion of the roadbed as indicated, to ensure the material consistency of the roadbed.
B.Embankment This work consists of the following: Constructing roadway embankments and preparing the areas upon which they are to be placed within the right -of-way, and Placing and c ompacting approved material.
C.Lump Sum Earthwork This work consists of excavation, borrow, or embankment necessary to complete the Project.
202.02 Materials
Provide materials that are free of hazardous and industrial waste in accordance with 40 CFR Part 240 through Part 281 and State Regulations. If available, the Contractor may inspect Department -obtained information related to subsurface investigations in accordance with Subsection 102.06, “Examination of Plans, Spe cifications, Special Provisions, and the Work Site.”
A.Borrow Provide borrow material free of dispersive clay, however, if dispersive clay is present in the borrow material, the Contractor must clay plate the slopes in accordance with Section 208, “Clay Plating," at no additional cost to the Department. For Projects in Field Divisions 4, 5, 6, and 7, if subgrade treatment, in accordance with Section 307, "Subgrade Treatment," is indicated, the Departmen t will not allow the use of borrow material with a sulfate content that exceeds the thresholds of OHD L -50 and OHD L -51, in the top 12 in [300 mm] of the grading section. Test the sulfate content of borrow material in accordance with OHD L -49. EARTHWORK 202.04
B.Select ive Subgrade Topping Provide materials that meet the following requirements for the classes of selective subgrade topping, or as specified by classification or characteristics referenced in AASHTO M 145: Table 202:1 Selective Subgrade Topping Classifications Class Requirements I Granular Material: A -1, A-2-4, A-2-5, or A -3 Groups II Section 705, "Select Borrow" III 5 to 15 PI IVa Silt-Clay Materials: A -4, A-5, A-6, A-7-5, or A -7-6 Groups a Plans may show additional PI restrictions. Provide selective subgrade topping that passes a 1½ -in [38 -mm] sieve, unless specified otherwise.
202.03 Equipment
For classifying rock excavation, u se a late model, well -maintained tractor -mounted hydraulic ripper equipped with one digging point of standard manufacturer’s design sized for use with, and propelled by, a crawler -type tractor with a minimum net flywheel power rating of 30 3 hp [2 26 kW] (operating in low gear). If seismic testing is required, s ubmi t to the Resident Engineer the qualifications of the person performing and interpreting the test at least 14 days before performing the excavation work.
202.04 Construction Methods
Perform the work in accordance with Section 107, “Legal Relations and Responsibility to Public” If the contract requires earthwork that affects archeological sites, wetlands, and existing environmental protection, or requires the use of explosives.” Provide Storm Water Pollution Prevention Plan in accordance with Section 220 “Management of Erosion, Sedimentation, and Storm Pollution Prevention Control .” If the contract requires ground disturbance greater than one acre total .
A.Excavation and Borrow
1.Unclassif ied Excavation
a.General Remove and stockpile the topsoil in accordance with Section 205, "Salvaging Topsoil," before beginning unclassified excavation if salvaging topsoil is indicated. Do not disturb areas outside the limits of construction during excavation. Use suitable excavated material to construct fills on the Project; do not waste.
202.04 Earthwork
Compact the top 8 in [200 mm] of the subgrade in accordance with Subsection 202.04.A(5), "Compacti on of Fill." Ensure that the top of the finished subgrade meets the tolerances in accordance with Subsection 202.04.F, "Tolerances." Obliterate old roadways with grading operations necessary to incorporate the old ro adway into the new roadway and surroundings, to provide a pleasing appearance from the new roadway, as approved by the Resident Engineer.
b.Unsuitable Materials If excavation to the finished graded section results in a subgrade or slopes of unsuitable so il, the Resident Engineer may require the following: Removal of the unsuitable materials, and Backfill to the finished subgrade with an approved material. The Resident Engineer to measure the necessary cross -sections before placing the backfill. Material for backfilling must be equal to or better than the approved surrounding materials in accordance with AASHTO M 145. Provide backfill material in accordance with Subsection 202.02.B “Selective Subgrade Topping” if required by the Contract The Resident Engineer may classify trash, metal, glass, other man -made items, and soils that cannot be compacted as unsuitable materials in accordance with Subsection 202.04.A(4), “Borr ow.” Dispose of unsuitable material in accordance with Subsection 104.09, "Removal and Disposal of Salvaged Materials, Structures, and Obstructions." If the material is unsuitable due to excessive moisture, the Contrac tor may dry and reuse it on the Project with prior approval by the Resident Engineer. Second handling is defined as an operation requiring a second movement or transporting of the material.
2.Muck Excavation Approximate locations and extent of muck exca vation indicated. Perform muck excavation operations so that the Resident Engineer can measure the volume of unsuitable material before replacing it with approved material. If muck excavation is not suitable for fills or as topsoil, remove and dispose of the material outside the right -of-way in accordance with Subsection 104.09, "Removal and Disposal of Salvaged Materials, Structures, and Obstructions." If backfilling muck excavations below the water table level, use a granular material approved by the Resident Engineer, to prevent unsuitable material from mixing with the backfill. Compact the backfill material in accordance with Subsection 202.04.A(5), "Compaction of Fill." Within the roadway fill limits, cofferdams and dewatering may be necessary to perform muck excavation.
3.Rock Excavation Excavate the approximate locations and extent of rock excavation indicated. If the Contract requires excavated rock to be used as rock fill, provide rock fill in accordance with Subsection 202.04.A(5)(b)1), "Rock Fill. " EARTHWORK 202.04 Excavate rocks or other solid, unyielding material to a depth of at least 12 in [300 mm] below the subgrade elevation, and fil l excavated areas to the subgrade elevation with material in accordance with Subsection 202.02.B, “Selective Subgrade Topping.” All fill material shall pass a 1½ in [38 mm] sieve. Drain depressions or pockets in the undercut or overbreak areas. In cuts, ensure compaction meets the moisture and density requirements in accordance with Subsection 202.04.A(5), "Compaction of Fill," or as indicated. Before placing fill, obtain th e Resident Engineer's approval of the subgrade excavation and the fill material. The Resident Engineer will establish the pre -splitting line when pre -splitting is indicated. Prior to drilling the pre -splitting holes, completely remove the overburden to expose the rock surface along the pre -splitting line. Drill bore holes along the pre -splitting line, maintaining the drill holes at the angle indicated, and ensuring that the drill holes are in the same plane. Ensure that the diameter, spacing, and loadi ng of pre -split holes will result in a neat break. Drill the pre -split holes for the full depth of the ledge. For the initial pre -splitting of each rock cut section, use a 100 ft [30 m] test section. After drilling, loading, and shooting this test secti on, remove the shot material to determine if the diameter, spacing, and loading of the pre -split holes produced a neat break at the specified slope. Before continuing with pre -split drilling, completely expose the pre -split rock face in the test section f or evaluation. If the Resident Engineer rejects the results of the pre -splitting test section, adjust the diameter, spacing, and loading of the pre -split holes and perform an additional 100 ft [30 m] test section. If the Resident Engineer approves of the r esults of the pre -splitting test section, continue the pre-splitting throughout the rock cut section using the same means and methods. Load the pre-splitting holes with explosives in accordance with the manufacturer’s recommendations. The Resident Engine er may direct the Contractor to discontinue pre -splitting operations if rock conditions warrant a different operation. Scale and clean rock slopes thoroughly as directed by the Engineer. For rock excavations involving multiple lifts, scale upper lifts pri or to drilling and fragmenting of lower lifts. Ensure that scaled rock slopes are stable and free from possible hazards of falling rock or rock slides that endanger public safety. Do not trim the subgrade before completing the scaling operations. g(4) Borrow If the Contract requires borrow from a designated off -site source, the Department will provide the right -of-way for the source. If the Plans do not designate an off -site source, the Contractor may obtain borrow from an undesignated off -site source. P rovide copies of the property owner agreements to the Resident Engineer before beginning work outside of the Rights -of-Way. Before excavating for borrow, ensure borrow is necessary, does not contain hazardous materials in accordance with Section 107.15 , does not contain archeological materials or unmarked human burial sites in accordance with Section 107.09 , or does not impact jurisdictional waters in accordance with Section 107.16 and obtain the Resident Engineer's approval.
202.04 Earthwork
After clearing and removing topsoil from a borrow source, but before beginning borrow excavation, notify the Resident Engineer so that the Resident Engineer can take cross -section elevations and measurements of the original ground surface. To reduce borrow excavation the Resident Engineer may direct the Contractor to widen roadway cuts and special ditches. Obtain written approval from the Resident Engineer before excavating b orrow pits closer than 500 ft [152 m] to the right -of-way. Submit a plan detailing the excavation of a borrow source located in the upstream flood plain of a stream crossing the project, or within 50 feet of a stream or river depicted as blue on the USGS 7.5 Minute Quadrangle Map. The Resident Engineer will evaluate this plan and consider its effect on the project. Do not begin the excavation of borrow until the Resident Engineer approves the plan. When borrow excavation is complete ensure the slopes of t he borrow source are uniform and the final condition of the source is in accordance with State and Federal laws. Shape the surfaces of the borrow source to accommodate the measurement of the excavation.
5.Compaction of Fill
a.Preparation of Fill Found ation Clear and grub the trees and organic matter in accordance with Section 201, "Clearing and Grubbing," and remove the topsoil. Break up the cleared ground surface to a depth of 8 in [200 mm] by plowing or scarifying. Compac t the ground surface to at least 95 percent of the standard density in accordance with Subsection 202.04.A(5)(b)2), "Earth Fill. " Remove existing pavement or reduce it to a maximum particle size of 3 in [75 mm], however, the Department will not allow existing pavement in the top 12 in [300 mm] of fill below the subgrade elevation.
1.Fills Across Unstable Material (Incapable of Supporting Equipment) Remove unstable material when it is encountered or bridge as dir ected by the Resident Engineer. The Resident Engineer may require a bridge of fill material, or a combination of fill material and geogrid fabric. Provide and place the geogrid fabric in accordance with Section 326, “Geosynthet ic Reinforcement.” If bridged, limit the thickness of the fill material layer to the minimum necessary to support equipment. Dump fill material on top of the constructed fill layer and extend the bridge by pushing the fill material into place and over th e unstable material until the bridge is complete.
2.Fills on Existing Slopes 4H:1V or Steeper Cut horizontal benches to a width that accommodates placing and compacting operations and equipment. Begin each bench at the intersection of the original ground and the vertical cut of the previous bench. EARTHWORK 202.04
b.Construction Practices Begin placement of material and the construction of fills at the low point and place layers in horizontal planes up to the finished grade. Slope the fill to provide constant drainage. Use spreading and disking equipment on each layer to obtain uniform moisture and thickness before compacting. Add or remove water to obtain the specified moisture content and density of the fill. During all stages of construction, route and distribute h auling and leveling equipment over the width and length of each layer of fill material. Do not construct fills on frozen material, or place frozen material in fills. Do not place rocks, broken concrete, or other solid materials at future piling locations. If placing fill on only one side of abutments, wingwalls, piers, retaining walls, or culvert headwalls, ensure the compactive effort adjacent to the structure will not cause excessive pressure to or overturn the structure. If placing fills on both sides o f a concrete wall, abutment, end bent, or box type structure, place and compact fills to the same elevation on both sides of the structure. Do not place fill material co ntaining rocks or boulders with diameters larger than 6 in [150 mm] within 5 ft [1.5 m] of a structure.
1.Rock Fill If the fill contains rock that cannot be constructed in layers of 8 in [200 mm] maximum thickness, construct the fill in layers to the thickness approved by the Resident Engineer (based on the largest rocks in the material), n ot to exceed 2 ft [0.6 m]. Place the larger rocks in each layer of approved thickness, furthest from the roadway centerline. Further, for rocks with diameters larger than 2 ft [0.6 m], embed in the fill, break into smaller sizes, or remove in accordance with Subsection 104.09, "Removal and Disposal of Salvaged Materials, Structures, and Obstructions." Dump the rock onto the edge of the fill layer being constructed if the Contract requires end dumping and push the rock over the leading edge onto the previous layer with a crawler dozer. Use a dozer that weighs at least 70,000 lb [31,750 kg] to ensure adequate initial compaction. Use the smaller rock fill material to fill the voids created by the larger rock. Wet, compa ct, level, and smooth each layer. Adjust the moisture content for compaction. Compact rock fill layers 12 in [0.3 m] thick or less, the full width with one of the following minimum procedures: Four passes using a 50 ton [45 metric ton] compression -type ro ller; Four passes using a vibratory roller with a dynamic force of at least 40,500 lbf [180 kN] per cycle, and a frequency of at least 16 Hz; Eight passes using a 22 ton [20 metric ton] compression -type roller; or Eight passes using a vibratory roller with a dynamic force of at least 29,250 lbf [130 kN] per cycle, and a frequency of at least 16 Hz.
202.04 Earthwork
Increase the number of roller -passes for each additional 6 in [150 mm] increment in rock fill layers thicker than 12 inches [300 mm], by the number required for the first 12 in [300 mm], per respective roller. Operate compressive -type rollers at speeds less than 5 mph [8 km/h] and vibratory rollers at speeds less than 3 mph [5 km/h]. Construct rock fills from 12 in [300 mm] to 2 ft [0.6 m] below the subgrade eleva tion with earth and rocks with diameters no greater than 8 in [200 mm]; ensure that voids are filled and the rock is chinked, creating uniform compaction. Construct the top 12 in [300 mm] of rock fills with approved material — placed in layers not exceedin g 8 in [200 mm] in loose thickness — and compacted in accordance with Subsection 202.04.A(5)(b)2), "Earth Fill." Do not place rocks with a diameter larger than 3 in [75 mm] in the top 12 in [300 mm] of compacted fill.
2.Earth Fill Place earth fill in loose layers of no greater than 8 in [200 mm]. Compact the earth fill material to at least 95 percent of Maximum Density (AASHTO T 99 Methods C or D), unless otherwise specified in the Contract or directed by the R esident Engineer. Determine in - place density by AASHTO T 310 (Nuclear). Ensure the moisture content of the earth fill material, at the time of compaction, is within 2 percentage points of the optimum moisture content (AASHTO T 99) unless otherwise specifi ed in the Specifications or approved by the Resident Engineer in writing. The Resident Engineer may adjust the moisture content range for earth fill compaction to address unusual conditions and constructability. For compaction of A -4 or A -5 soil groups, the Contractor may request, in writing, a lower moisture content range of from optimum to 4 percentage points below optimum. Compact earth fill layers using rollers. For inaccessible areas (e.g. areas adjacent to culverts or bridge abutments), place the m aterial in loose layers less than 4 in [100 mm] thick, and compact to the specified density using mechanical tampers.
B.Embankments Construct embankments in accordance with Subsection 202.04.A, “Excavation and Borrow .”
C.Lump Sum Earthwork Perform lump sum earthwork in accordance with Subsection 202.04.A, “Excavation and Borrow.”
D.Selective Subgrade Topping If indicated, construct the top 12 in [300 mm] of the subgrade with se lective subgrade topping. Before applying additives, establish the subgrade elevation every 100 ft [90 m] along each lane line. After applying additives and processing the selective subgrade topping, reestablish the subgrade elevation every 50 ft [15 m] along each lane line and break point. The following are sources of selective subgrade topping materials: EARTHWORK 202.05
1.Sources Proposed by Contractor Submit a proposal to the Resident Engineer identifying that the quantity of selective subgrade topping, as indicated, is available. During excavation, develop and reserve that quantity of selective subgrade topping in accordance with the grading plan.
2.Mandatory Sources Designated on the Plans If the Plans show the source of, excavate selective subgrade top ping the material at the specified source, haul to the specified location, and place.
E.Sloping, Shaping, Dressing, and Finishing Construct and dress the slopes of cuts, ditches, and fills as indicated or as directed by the Resident Engineer, except that the Department will not require rounding where rock extends to the top of a cut. Slope, shape, and round existing surfaces as indicated or as directed by the Resident Engineer. If standard equipment cannot obtain neat, uniform surfaces, hand -trim the slop es. Trim and shape slopes of borrow pits and tops of cuts with material approved by the Resident Engineer, and stabilize the material. Dressing includes clearing the right -of-way of stumps, brush, weeds, and other rubbish, and disposal in accordance with Subsection 201.04, “Construction Methods.”
F.Tolerances Construct the roadbed to the profile and cross -section indicated, within the following tolerances: Roadbed cross -section – within 0.1 ft [30 mm]. Roadbed profile – within 0.1 ft [30 mm] (by the algebraic difference) for any two points on the roadbed no greater than 50 ft [15 m] apart. Base of the selected subgrade zone – within 0.1 ft [30 mm] of the elevation indicated. For contracts with both grading and surfacin g, finish the roadbed profile and cross -section in accordance with the tolerances in Subsection 301.04, “Construction Methods.”
202.05 Method of Measuremen T
The final in -place methods of measurement and calculation will match the original methods used to estimate quantities, unless the Resident Engineer approves otherwise. The Resident Engineer will take the original and final cross -sections on top of the topsoil. The Resident Engineer will perform the original and final earthwork surveys with topsoil in place, except for borrow sources. The Resident Engineer will not adjust earthwork quantities for topsoil volumes. The Resident Engineer will calculate excavation, borrow, and embankment in accordance with the foll owing calculation methods: Average End Area From Cross Sections. This method includes calculating the average of the cross sectional end areas and multiplying by the distance between them. Original Surface vs. Final Surface (Digital Terrain Model). This me thod includes creating three - dimensional surfaces from the original and final surveys' data, triangulating the data points, and calculating the volume.
202.05 Earthwork
Three Dimensional Measurements. This method includes using acceptable measuring practices to calculate v olumes for isolated and unusual locations.
A.Unclassified Excavation The Resident Engineer will include excavation for overbreakage or slides in backslopes, not the fault of the Contractor, in the measurements for Unclassified Excavation . If the plane of the finished subgrade falls within rock, the Resident Engineer will include an excavation quantity for the subexcavation of rock to a theoretical maximum measurement of 12 in [300 mm], unless the Resident Engineer approves otherwise. The Resident Enginee r will include the volume of unsuitable materials excavated in accordance with Subsection 202.04.A(1), “Unclassified Excavation,” in the measurement of Unclassified Excavation. If the Resident Engineer directs the C ontractor to widen roadway cuts or special ditches to reduce borrow excavation, the Resident Engineer will measure the volume of additional excavation as Unclassified Excavation or relevant earthwork pay item.
B.Muck Excavation If the Contract does not sp ecify Muck Excavation as a pay item, the Resident Engineer will measure and pay for Muck Excavation as Unclassified Excavation .
C.Rock Excavation If the Contract does not specify Rock Excavation as a pay item, the Resident Engineer will measure and pay for Rock Excavation as Unclassified Excavation .
D.Borrow The Resident Engineer will not measure the volume of unapproved borrow excavation.
E.Embankments If the Contract specifies Embankments as a pay item, the Resident Engineer will measure volumes based on the differences between the original ground cross sections and the final ground cross sections. The Resident Engineer will not measure material outside the limits of the typical or approved sections, or material or work required to correct settlement, shrinkage, or swell of embankments. The Resident Engineer will not deduct volumes for improvements, like culverts and manholes. The Resident Engineer will include all excavation and borrow nece ssary to construct the grading section in the volume for Embankments .
F.Pre-splitting of Rock The Resident Engineer will measure Pre-splitting of Rock by the length of approved and completed pre-split rock cut. Measure pre -splitting in feet along the bas e of the cut section. For benched cut face, measure along the base of the total cut section.
G.Earthwork The Resident Engineer will not measure Earthwork , but rely on the estimated quantities indicated. EARTHWORK 202.06
H.Selective Subgrade Topping If the Contract requi res selective subgrade topping, i nclude the cost of the selective subgrade topping material in the contract unit prices of the appropriate existing earthwork pay items. The Plans will show the estimated quantity of the selective subgrade topping material. The Department considers the lump sum cost of the Selective Subgrade Topping pay item as payment for any additional handling or separation of the selective subgrade topping material.
202.06 Basis of Payment
The Department will pay for each pay item at th e contract unit price per the specified pay unit as follows: Pay Item: Pay Unit:
A.UNCLASSIFIED EXCAVATION Cubic Yard [Cubic Meter]
B.MUCK EXCAVATION Cubic Yard [Cubic Meter]
C.ROCK EXCAVATION Cubic Yard [Cubic Meter]
D.UNCLASSIFIED BORROW Cubic Yard [Cubic Meter]
E.SELECT BORROW Cubic Yard [Cubic Meter]
F.EMBANKMENTS Cubic Yard [Cubic Meter]
G.PRESPLITTING OF ROCK Linear Foot of Drilling [Meter]
H.EARTHWORK Lump Sum
I.SELECTIVE SUBGRADE TOPPING Lump Sum The Department will pay for roadway obliteration as unclassified excavation, unless the Contract specifies Obliterating Abandoned Road in accordance with Section 210, “Obliterating Abandoned Road.” The Department will not pay for a second handling of unsuitable material due to excessive moisture unless it is unavoidable, and the Resident Engineer provides prior approval. Upon the Resident Engineer’s approval, the Department will pay for the second h andling as Unclassified Excavation . The Department will only pay for rock excavation below the subgrade and replacement fill if the Resident Engineer approves before the fill placement. The Department will pay for the quantity of excavated rock as Rock Ex cavation, include the cost for the quantity of fill material in the contract unit price of the appropriate earthwork pay item. Include the cost of drilling, loading and shooting pre -split sections in the contract unit price for Pre- Splitting of Rock . Incl ude the cost of the removal of pre -split material in the contract unit price of Rock Excavation. If the Contract does not specify a Muck Excavation pay item, the Department will pay for the removal, disposal, replacement of unsuitable material as the appro priate earthwork pay item. If cofferdams or dewatering is necessa ry to perform muck excavation, i nclude the cost of each in the contract unit price for Muck Excavation or the appropriate earthwork pay item.
203.04 Test Rolling
Include the cost of the following in the contr act unit price for Borrow or Select Borrow : Building and maintaining haul roads from off -site borrow sources to the project; and Clearing, grubbing, stripping, or replacing topsoil at off -site borrow sources. If the Contractor is allowed by the Resident Engineer to utilize borrow consisting of dispersive clay, include the cost of clay plating or other approved methods of encapsulation in the contract unit price for Borrow or Select Borrow . The Department will pay for geogrid fabric in accordance with Section 326, "Geosynthetic Reinforcement." If inaccessible areas of earth fill require compac tion using mechanical tampers, i nclude the cost of the mechanical tampers in the contract unit price for the appropriate earthwork pay item . Include the cost of water used to achieve the required moisture content in the contract unit price for the applicable earthwork pay items. SECTION 203 TEST ROLLING
203.01 Description
This work consists of test rolling embankments and cut sections with heavy pneumatic -tired rollers.
203.02 Materials — Vacant
203.03 Equipment
Obtain the Resident Engineer's approval of the equipment before using rollers. Provide heavy pneumatic -tired rollers with at least seven tires. Ensure the pressure in each tire is at least 90 percent of the tire manufacturer’s recommended maximum pressure for rolling operations. Ensure the roller wheels and axles allow each tire to carry an equal load. Use a roller with a loading platform and ballast that can carry a load of at least 6,600 lb [2,990 kg] per tire. Provide the Resident Engineer with the certified weights of the empty roller and the ballast. Ensure the rolling equipment can turn without damaging the area being tested.
203.04 Construction Methods
Roll the full width of the grading section indicated using two complete passes. Operate the roller from 2 mph to 10 mph [3 km/h to 16 km/h], as directed by the Resident Engineer. Test roll embankments where indicated at 2 ft [0.6 m] b elow the subgrade elevation and at the finished subgrade elevation; test roll cut sections at the finished subgrade elevation only. Remove soft, yielding, or unstable material and replace it with material approved by the Resident Engineer in accordance wit h Section 202, "Earthwork," at no additional cost to the Department. Perform test rolling on the corrected area.
Source: Oklahoma Standard Specifications for Highway Construction, 2019 Edition. Pages 133–143 of 935.