33 01 30.86 - Manhole Rim Adjustment.pdf

33 01 30.86 – MANHOLE RIM ADJUSTMENT

Herbert, Rowland & Grubic, Inc. 33 01 30.86 - 1 000483.0450

SECTION 33 01 30.86 - MANHOLE RIM ADJUSTMENT

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Raising manhole frames and covers.

B. Related Requirements:

1. Section 03 41 00 – Precast Structural Concrete: Execution requirements for precast and prestressed concrete members as specified in this Section.

2. Section 32 91 19 – Landscape Grading: Restoration of grassed areas.

3. Section 33 31 11 – Public Sanitary Sewerage Gravity Piping: Execution requirements for sewerage piping as required by this Section.

1.2 REFERENCE STANDARDS

A. American Association of State Highway and Transportation Officials:

1. AASHTO M306 - Standard Specification for Drainage, Sewer, Utility, and Related

Castings.

B. ASTM International:

1. ASTM A48/A48M - Standard Specification for Gray Iron Castings.

2. ASTM C32 - Standard Specification for Sewer and Manhole Brick (Made from Clay or Shale).

3. ASTM C478 - Standard Specification for Circular Precast Reinforced Concrete

Manhole Sections.

4. ASTM C877 - Standard Specification for External Sealing Bands for Concrete Pipe, Manholes, and Precast Box Sections.

5. ASTM C990 - Standard Specification for Joints for Concrete Pipe, Manholes, and

Precast Box Sections Using Preformed Flexible Joint Sealants.

6. ASTM F593 - Standard Specification for Stainless Steel Bolts, Hex Cap Screws, and

Studs.

7. ASTM F1554 - Standard Specification for Anchor Bolts, Steel, 36, 55, and 105-ksi

Yield Strength.

1.3 PREINSTALLATION MEETINGS

A. Section 01 31 19 – Project Meetings: Requirements for preinstallation meeting.

B. Convene minimum one week prior to commencing Work of this Section.

1.4 SCHEDULING

A. Section 01 32 16 – Construction Progress Schedule: Requirements for scheduling.

B. Submit schedule for manhole grade adjustments.

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1.5 SUBMITTALS

A. Section 01 33 00 – Submittal Procedures: Requirements for submittals.

B. Product Data: Submit manufacturer information for manhole covers and riser rings construction, features, configuration, and dimensions.

C. Manufacturer's Certificate: Certify that products meet or exceed specified requirements.

D. Manufacturer Instructions: Submit detailed instructions on installation requirements, including storage and handling procedures.

E. Source Quality-Control Submittals: Indicate results of shop or factory tests and inspections.

F. Qualifications Statements:

1. Submit qualifications for manufacturer and installer.

2. Submit manufacturer's approval of installer.

1.6 CLOSEOUT SUBMITTALS

A. Section 01 77 00 – Execution and Closeout Requirements: Requirements for submittals.

B. Project Record Documents: Record actual grade-adjusted elevation of manholes.

1.7 QUALITY ASSURANCE

A. Perform Work according to Pennsylvania Department of Transportation standards.

1.8 QUALIFICATIONS

A. Manufacturer: Company specializing in manufacturing products specified in this Section with minimum three years' documented experience.

B. Installer: Company specializing in performing Work of this Section with minimum three years' experience.

1.9 DELIVERY, STORAGE, AND HANDLING

A. Section 01 61 00 – Product Requirements: Requirements for transporting, handling, storing, and protecting products.

B. Inspection: Accept materials on Site in manufacturer's original packaging and inspect for damage.

C. Store materials according to manufacturer instructions.

D. Protection:

1. Protect materials from moisture and dust by storing in clean, dry location remote from construction operations areas.

Herbert, Rowland & Grubic, Inc. 33 01 30.86 - 3 000483.0450

2. Provide additional protection according to manufacturer instructions.

1.10 EXISTING CONDITIONS

A. Field Measurements:

1. Verify field measurements prior to fabrication.

2. Indicate field measurements on Shop Drawings.

PART 2 - PRODUCTS

2.1 MANHOLE FRAMES AND COVERS

A. Refer to Section 33 05 61 – Concrete Manholes.

2.2 RISER RINGS

A. Riser Rings:

a. Material: Precast concrete.

b. Comply with ASTM C478.

2. Rubber Seal Wraps:

a. Wraps and Band Widths: Comply with ASTM C877, Type III.

b. Cone/Riser Ring Joint: Minimum 3-inch overlap.

c. Frame/Riser Ring Joint: 2-inch overlap.

d. Additional Bands: Overlap upper band by 2 inches.

B. Accessories:

1. Joint Sealant: Comply with ASTM C990.

2. Bolts: Stainless steel; ASTM F593.

2.3 SOURCE QUALITY CONTROL

A. Section 01 40 00 – Quality Requirements: Requirements for testing, inspection, and analysis.

B. Provide shop inspection and testing of completed assembly.

C. Certificate of Compliance:

1. If manufacturer is approved by authorities having jurisdiction, submit certificate of compliance indicating Work performed at manufacturer's facility conforms to Contract Documents.

2. Specified shop tests are not required for Work performed by approved manufacturer.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Section 01 73 00 – Execution Requirements: Requirements for installation examination.

Herbert, Rowland & Grubic, Inc. 33 01 30.86 - 4 000483.0450

B. Saw cut existing paving.

C. Excavate.

D. Clean manholes.

E. Remove existing manhole frames and covers.

F. Repair waterproofing.

3.2 INSTALLATION

A. Raising Manhole Frames and Covers:

1. Locate and raise manholes to grade as indicated on Drawings.

2. Use flat or tapered rubber manhole rings to achieve indicated elevation for frame and cover.

3. Do not adjust elevation greater than 6 inches with rubber manhole rings.

4. Use sealant to seal joints between manhole top, rubber rings, and frame.

5. Reinstall removed manhole frame and cover.

B. Landscaping Restoration:

1. Restore grassed areas as specified in Sections 32 91 19 – Landscape Grading and

32 92 19 – Seeding.

END OF SECTION 33 01 30.86