57-Sec 32 12 23 - RESTORATION OF PAVED SURFACES.pdf
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- Bucks County, Pennsylvania
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This is a technical specification document for the Restoration of Paved Surfaces section (Section 32 12 23) prepared for the Municipal Authority of the Borough of Morrisville in Bucks County, Pennsylvania, in connection with the 2025 Galvanized Service Replacement project (Contract No. W-56) along Pennsylvania Avenue. The specification details comprehensive pavement restoration work including temporary paving, permanent bituminous and concrete paving, asphalt overlays, shoulder restoration, walkway reconstruction, driveway repairs, concrete curb and gutter repairs, stormwater inlet and piping restoration, and street signage reinstallation. All work must comply with Pennsylvania Department of Transportation (PennDOT) Publication 408 Specifications and related standards, including PennDOT Bulletin 27 for bituminous mixtures and Publication 213 for temporary traffic control guidelines. Contractors must submit PennDOT-approved Job Mix Formulas and Mix Designs prior to work commencement, along with material certifications from bituminous and aggregate suppliers. The specification requires minimum compaction standards using 10-ton rollers where possible and 5-ton rollers in trenches, with temporary paving maintained for a minimum of ninety days on state roads. Concrete sidewalks must be reconstructed to 4-inch thickness on a 6-inch aggregate base, while driveways require either 6-inch reinforced concrete or minimum 2-inch wearing course over 6-inch aggregate base depending on existing surface type.
Contractors are responsible for traffic control measures in compliance with Section 01 55 26, including all necessary permits from PennDOT and local municipal agencies. All damaged paving outside work limits caused by contractor operations must be restored to original condition at contractor expense. Materials specified include Class AA concrete conforming to PennDOT Section 704 specifications, PennDOT Superpave base and wearing courses, Emulsified Asphalt Class E-8 for tack coat, and Asphalt PG 64-22 Sealant for joint sealing. Coarse aggregate must conform to PennDOT No. 2A specifications. Pavement markings must be replaced in their original locations after restoration. All work must be maintained to the satisfaction of the Resident Project Representative and applicable state and local road departments throughout the contract maintenance period. No specific pricing information, contract duration beyond the forty-five-day project window mentioned in the contract opportunity summary, or set-aside provisions are detailed in this specification document.
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Text version
RESTORATION OF PAVED SURFACES
32 12 23-1
SECTION 32 12 23
PART 1 - GENERAL
1.01 SECTION DESCRIPTION
A. The Work of This Section Includes:
1. Temporary Paving
2. Permanent Paving
3. Asphalt Overlay
4. Shoulder Restoration
5. Walkway Restoration
6. Driveways
7. Concrete Curb and Gutter Repairs
8. Stormwater Inlets and Piping
9. Street Signage
B. The Details on the Drawings note the specific paving requirements.
1.02 RELATED SECTIONS
A. Related Work specified elsewhere:
1. Section 01 55 26: Traffic Regulation
1.03 QUALITY ASSURANCE
A. Referenced Standards:
1. Pennsylvania Department of Transportation:
a. Publication 408 Specifications
b. Publication 27 - Specification for Bituminous Mixtures (Bulletin 27)
c. Publication 37 - Specification for Bituminous Materials (Bulletin 25)
d. Publication 213 – Temporary Traffic Control Guidelines
1.04 SUBMITTALS
A. Certificates:
1. Submit certification from bituminous and aggregate suppliers attesting that materials conform to the State Specifications in accordance with Section 01 33 00.
2. Submit a PennDOT approved Job Mix Formula for each bituminous concrete mix required.
3. Submit a PennDOT approved Mix Design for each concrete class and use required.
1.05 JOB CONDITIONS
A. Control of Traffic:
1. Take measures to control traffic during repaving operations. Do not allow traffic on repaved areas until authorized by the Resident Project Representative.
2. Employ traffic control measures in accordance with the requirements of Section 01 55 26 including pertinent permits by PennDOT and/or local municipal agencies having jurisdiction.
B. Restore existing paving outside the limits of the Work that is damaged by Contractor's operations, to its original condition at the expense of Contractor.
32 12 23-2
PART 2 - PRODUCTS
2.01 CONCRETE
A. Class AA concrete conforming to Section 704, PennDOT Publication 408 Specifications.
1. Requirements for State approved batch plants, design computations and plant inspection shall apply. The acceptability of concrete will be based on conformance with the Cement Concrete Criteria specified in Section 704 of PennDOT Publication 408 for the required Class of concrete and the results of the specified tests.
2. Concrete design mix shall be submitted to Engineer for approval prior to work commencement. No concrete shall be placed until Engineer has approved the design mix.
2.02 BITUMINOUS PAVING MATERIALS AND AGGREGATES
A. Base Course: PennDOT Superpave (Section 313 of Publication 408).
B. Binder Course: PennDOT Superpave (Section 410 of Publication 408).
C. Leveling Course: PennDOT Superpave (Section 410 of Publication 408).
D. Wearing Course: PennDOT Superpave (Section 410 of Publication 408).
E. Tack Coat: Per Section 460 of PennDOT Publication 408, except revise the first sentence to read:
Emulsified Asphalt, Class E-8 (AASHTO CSS-1h or SS-1h)
F. Joint Seal: Asphalt PG 64-22 Sealant (Publication 408).
G. Coarse Aggregate: PennDOT No. 2A (Section 703 of Publication 408).
H. The acceptability of the material will be based on conformance with the Criteria specified in PennDOT Publication 408 for the required material.
I. Cut sheets/submittals for all paving materials and aggregates shall be submitted to Engineer for approval prior to work commencement. No paving materials and/or aggregates shall be placed until Engineer has approved the material.
PART 3 - EXECUTION
3.01 TEMPORARY PAVING
A. Provide temporary paving immediately upon completion of trench backfilling. Unpaved trenches shall not remain unpaved longer than ten (10) working days after backfilling.
B. Complete trench backfill with coarse aggregate in accordance with the Drawings and Publication 408 requirements.
C. Trim existing paving with minimum one (1) foot cutbacks to remove damaged areas. Cut straight joint lines and right angle offsets.
D. Place temporary paving material consisting of bituminous concrete base course to the required depth shown on the Drawings for the entire width of the trench. Place with a maximum lift thickness of three
(3) inches and compact each lift individually using a trench roller (minimum 5 ton).
E. Continuously maintain temporary paving to the satisfaction of the Resident Project Representative and the State and local municipal road departments having jurisdiction. Temporary paving on State roads must remain in place for a minimum of ninety (90) days.
3.02 PERMANENT PAVING
A. Place bituminous concrete base course on surface of compacted subbase course to compacted thickness (10 ton roller where possible; minimum 5 ton roller in trenches) as shown on Drawings.
B. Place base and wearing courses to compacted thicknesses (10 ton roller) as shown on the Drawings.
Apply tack coat, per Section 32 12 00, on completed base course before placing wearing course should there be a delay between completion of base course and placement of wearing course.
32 12 23-3
C. Place wearing course overlay to compacted thickness (10 ton roller) as and where shown on the Drawings.
D. Compact pavement by rolling to achieve even and smooth finish, without roller marks. Hand compact in areas inaccessible to rolling equipment.
E. Where proposed asphalt paving adjoins existing asphalt paving, seal the joint with Asphalt PG 64-22 Sealant in accordance with Publication 408 Specifications.
F. Replace pavement markings in their former location which were covered or destroyed.
G. Maintain permanent paving to the satisfaction of the Resident Project Representative and the local municipal and State road departments having jurisdiction throughout the Contract maintenance period.
3.03 ASPHALT OVERLAY
A. Where indicated on the Drawings, or directed by the Resident Project Representative, place an asphalt overlay.
B. Construct in accordance with Publication 408 Specifications and Drawings.
C. Replace pavement markings in their former location which were covered or destroyed.
3.04 SHOULDER RESTORATION
A. Restore shoulders in accordance with the Drawings.
3.05 WALKWAY RESTORATION
A. Reconstruct portland cement sidewalks to 4" thickness of concrete placed on a 6" layer of 2A aggregate.
B. Reconstruct portland cement sidewalks to the first joint on either side of the damaged portion. Install expansion joint material.
3.06 DRIVEWAYS
A. Trim concrete and bituminous driveway surfaces to remove damaged areas. Saw cut straight joint lines parallel to the centerline of the trench. Cut offsets at right angles to the trench centerline.
B. Restore existing portland cement concrete driveways with a 6" layer of concrete reinforced with 6 x 6 l0/l0 wire mesh on a 4” layer of AASHTO 57 aggregate.
C. Restore existing asphalt driveways in kind or with minimum 2" layer wearing course over 6" layer of 2A aggregate.
3.07 CONCRETE CURB AND GUTTER REPAIRS
A. Replace curbs and gutters damaged by construction to match existing.
B. Reconstruct curbs and gutters to the first expansion joint on either side of the damaged portion. Install expansion joint material.
3.08 STORMWATER INLETS AND PIPING
A. Repair or replace storm water inlets and piping damaged by construction to match existing inlets.
B. The Resident Project Representative will determine whether the frame and grate assembly of each affected storm water inlet is suitable for reuse once it has been removed by Contractor.
C. Construct or repair storm water inlets and piping in accordance with relevant section of Publication 408 Specifications.
3.09 STREET SIGNAGE
32 12 23-4
A. Reinstall any signage removed to allow for construction activities at the original location.
END OF SECTION
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