2-30 The accepted quantity of Presplitting Rock will be paid for at the Contract unit price per linear foot. All costs incurred by the Contractor in preparing an approved blasting plan, in maintaining a blasting log, and in adopting revised blasting me thods necessary to produce an acceptable test shot shall be considered incidental to relat ed Contract items. The accepted quantity of Culvert Bedding Stone will be paid for at the Contract unit price per cubic yard, complete and in place. Payment will be made under: P a y I t e m P a y U n i t
203.20 Common Excavation C u b i c Y a r d
203.21 Rock Excavation C u b i c Y a r d
203.211 Presplitting Rock L i n e a r F o o t 203.213 Drilling and Blasting of Solid Rock Subgrade Square yard
203.22 Unclassified Excavation C u b i c Y a r d
203.24 Common Borrow C u b i c Y a r d
203.25 Granular Borrow C u b i c Y a r d
203.26 Gravel Borrow C u b i c Y a r d
203.27 Rock Borrow C u b i c Y a r d
203.35 Crushed Stone 3/4-inch Cubic Yard
203.55 Culvert Bedding Stone Cubic Yard
SECTION 204 - SHOULDER REHABILITATION
204.01 Description This work shall consist of rehabilitating existing shoulders by
grading and compacting shoulders, and furnishing, placing, grad ing and compacting new shoulder aggregate to required grade.
204.02 Aggregates New shoulder aggregate for shoulder rehabil itation shall be
material meeting the requirements of Section 703.10 - Aggregate for Untreated Surface Course and Leveling Course or Section 703.06 b. - Aggregate for Subbase, Type D. New shoulder aggregate for add shoulder aggregate shall be mat erial meeting the requirements of Section 703.11 - Aggregate for Shoulders or Sec tion 703.06 b. - Aggregate for Subbase, Type D. New shoulder aggregate used for shoulder rehabilitation or add shoulder aggregate will not be required to pass the Washington State Degradation T est.
204.03 Existing Shoulder The existing shoulder for rehabilit ate shoulder shall be
prepared by grading with power equipment to provide a surface o n which to place an aggregate course. All sod, tar-penetrated strips and other uns uitable material shall be removed to the extent required by the Resident. Suitable excav ated granular material may 2-31 be used to fill low areas and to widen out to provide a uniform shoulder width as required. Where required by the Resident the edge of the existing travele d lane shall be cut to provide a uniform edge. For proposed paved shoulders the surface of the existing shoul der shall be graded and compacted approximately parallel to the proposed finished p aved shoulder surface. Surplus material shall be incorporated into embankments or dis posed of in an approved waste area. Add new shoulder aggregate to existing shoulders shall be to t he widths and grades that are required by the typical sections.
204.04 New Aggregate After prep aration of the existing should er and where the
thickness of new shoulder aggregate for rehabilitated shoulders to be placed exceeds 4 inches, material meeting the requirements of Aggregate for Subb ase, Type D or Aggregate for Untreated Surface Course s hall be placed to the required gr ade. Where the thickness of new shoulder aggregate to be place d is 4 inches or less, materi al meeting the requirements of Aggregate for Untreated Surface Course shall be used. The Cont ractor may, at their option, grade the existing shoulders to an elevation of 4 inches or mor e below the proposed finished gravel surface and place material meeting the requirements of A ggregate for Subbase, Type D, full depth. Where the thickness of new shoulder aggregate for add shoulder aggregate shoulders to be placed exceeds 4 inches, material meeting the requirement s of Section 703.06(b) Aggregate for Subbase, Type D, or Section 703.11 - Aggregate fo r Shoulders shall be placed to the required grade. Where the thickness of new shoulder agg regate to be placed is 4 inches or less, material meeting the requirements of this provi sion shall be used. The Contractor may, at their option, grade the existing shoulders t o an elevation of 4 inches or more below the proposed finished gravel surface and place mater ial meeting the requirements of Section 703.06 Aggregate for Subbase, Type D fu ll depth
204.05 Surface Tolerance The completed surface of the rehabil itated shoulder shall
be shaped and maintained to a tolerance, above or below the req uired cross sectional shape of ⅜ inch. The completed surface of the add shoulder aggregate shoulder s hall be shaped and maintained to a uniform machine finish.
204.10 Method of Measurement The quantity of rehabilitation o f existing shoulders
and add shoulder aggregate measured for payment will be the num ber of square yards shown in the Schedule of Items in the contract. This quantity will be considered final, and no adjustments wil l be made, except when the quantity shown in the Schedule of Items is added to or dedu cted from, when changes to the plans are made by the Resident. 2-32
204.11 Basis of Payment The accepted quantity of rehabilitati on of existing
shoulder will be paid for at the contract unit price per square yard. No adjustment will be made to the quantity for payment, except as described under Met hod of Measurement above. Payment will be full compensation for cutting the edge joint, r emoving pavement, curb and other unsuitable material, grading and compacting the existing shoulder, disposing of surplus and unsuitable material, and for furnishing, placing, g rading, and compacting new aggregate to the required depth, suitable for paving at the tim e of paving. The accepted quantity of Add Shoulder Aggregate to existing sh oulder will be paid for at the contract unit price per square yard. No adjustment will be made to the quantity for payment, except as described under Method of Measurement above. Payment will be full compensation for furnishing, placing, grading, and compacting n ew aggregate to the required depth. Additional material required as a result of cross-slope varian ce of the pavement surface will not be paid for directly, but will be considered i ncidental to the contract unit price per square yard of rehabilitation of existing shoulder. Grading, furnishing and placing loa m, seed and mulch in requir ed waste areas will be considered incidental to the contract and no separate paymen t will be made. Payment will be made under: P a y I t e m P a y U n i t
204.20 Add Shoulder Aggregate to Existing S q u a r e Y a r d
S houlder, Plan Quantity
204.41 Rehabilitation of Existing Shoulder, Plan Quantity S quare Yard
SECTION 205 - SHOULDER RECONSTRUCTION
205.01 Description This work shall consist of reconstructing or widening existing
shoulders by excavating, grading, furnishing, and compacting ne w shoulder aggregate and fill material if necessary, in accordance with the thickness an d typical sections shown on the plans.
205.02 Aggregates New shoulder aggregate shall be material me eting the
requirements of Section 703.06 a. - Aggregate for Base, Type B. Fill material shall be existing excavation or common borrow fr om an outside source.
205.03 Existing Shoulder The area shall be excavated to the d epth shown on the
typical section and graded to a tolerance, above or below the r equired cross sectional shape,