8-27 Payment will be made under: 1
Pay Item Pay Unit Masonry Drainage Structures Each Masonry Drainage Structures Linear Foot Masonry Drainage Structures Cubic Yard Pipe Collars Cubic Yard Pipe Plugs Cubic Yard Frame with Grate and Hood, Std. ____ Each Frame with Grate, Std. ____ Each Frame with Two Grates, Std. ____ Each Frame with Cover, Std. ____ Each Steel Frame with Two Grates, Std. ____ Each SECTION 846 2 CONCRETE CURB, CURB AND GUTTER, CONCRETE 3 GUTTER, SHOULDER BERM GUTTER, CONCRETE EXPRESSWAY 4 GUTTER AND CONCRETE VALLEY GUTTER 5
846-1 Description 6
Construct Portland cement concrete curb, concrete curb and gutter, concrete gutter, shoulder 7 berm gutter, concrete expressway gutter and 4 inch concrete valley gutter as shown in the 8 contract. 9
846-2 Materials 10
Refer to Division 10. 11 Item Section Curing Material s 1026 Joint Filler 1028 -1 Joint Sealers 1028 -2, 1028 -3 Portland Cement Concrete, Class B 1000
846-3 Construction Methods 12
A.General 13 Construct concrete in accordance with Section 825, except as provided herein. 14 Give surface a light broom finish with brush marks parallel to the curb line or gutter line. 15 Prepare foundation and compact base or subgrade to the degree required by the applicable 16 section of the Standard Specifications before placing fo rms. 17
B.Forms 18 Use for ms that have no more than 1/8 inch in 10 f eet deflection from true line horizontally 19 and vertically to adequately support the concr ete and construction equipment. 20 Obtain ap proval before placing concrete. 21
C.Joints 22 Locate joints as shown in the plan s except as provided herein. 23 Space joints no closer than 5 feet. 24 Locate joints to line up with the joints in concrete pavement when placed adjacent to 25 concrete pavement. 26 Form grooved contraction joints as required by Subarticle 825- 10(B). 27
8-28 Construct grooved butt joint between the work and adjacent pavement except w here 1
expansion joints are required by the plans. Form butt joints as required by 2 Subarticle 825 -10(B) for groov ed contraction joints and seal. 3 Seal all joints except for joints in curb sections not having an integral gutter. 4 Fill joints in gutter with joint sealer to the top surface of the gutter. 5 Seal joints before backfilling or performing adjacent operations. 6
D.Surface Tolerances 7 Finish surface within 1/4 inch when checked longitudinal ly with a 10 f oot straightedge. 8
E.Backfilling 9 Do not place backfill or pavement adjacent to the curb, curb and gutter, gutter, shoulder 10 berm gutter, expressway gutter or concrete valley gutter until at least 3 curing days, as 11 defined in A rticle 825 -9, have elapsed. 12 Complete backfill within 4 calendar days after the completion of the 3 day curing period 13 unless otherwise approved. 14 Compact b ackfill to an approved density. 15
F.Opening to Traffic 16 Vehicles may be permitted on the completed work after the following curing days, as 17 defined i n Article 825 -9, have elapsed . For r egular stren gth concrete, cure for at least 18 7 curing days . For h igh early strength concrete, cure for at least 3 curing days. 19
846-4 Measurement and Payment 20
__" x __" Concrete Curb will be measured and paid in linear f eet, accepted in place, along the 21 surface of the top of the curb. 22 __' __" Concrete Curb and Gutter will be measured and paid in linear f eet, accepted in place, 23 along the surface of the top of the curb. 24 __' Concrete Gutter will be measured and paid in linear f eet accepted in place, along the surface 25 of the top of the gutter . 26 Shoulder Berm Gutter will be measured and paid in linear f eet, accepted in place, along the 27 surface of the top of the gutter . 28 Concrete Expressway Gutter will be measured and paid in linear f eet, accepted in place, along 29 the surface of the top of the gutter . 30 Concrete Valley Gutter will be measured and paid in linear f eet, accepted in place, along the 31 surface of the top of the gutter . 32 Work includes providing all materials, placing all concrete, excavating and backfilling, 33 forming, finishing, constructing and sealing joints, and all incidentals necessary to complete the 34 work. 35 Payment will be made under: 36 Pay Item Pay Unit __" x __" Concrete Curb Linear Foot __' __" Concrete Curb and Gutter Linear Foot __' Concrete Gutter Linear Foot Shoulder Berm Gutter Linear Foot Concrete Expressway Gutter Linear Foot Concrete Valley Gutter Linear Foot
Source: North Carolina Standard Specifications for Roads and Structures, 2024 Edition. Pages 367–368 of 857.