Manhole Inspection and Rehabilitation, Mop 92

Prepared by the Manhole Inspection and Rehabilitation Task Committee of the Pipelines Infrastructure Committee of the Pipeline Division of the Utility Engineering and Surveying Institute of ASCE in partnership with the Manhole Rehabilitation Committee of NASSCO Manhole Inspection and Rehabilitation, MOP 92, Third Edition, provides a valuable update to the Manual of Practice to reflect current practices in both the inspection and rehabilitation of manholes. Updated topics include A new chapter on wall thickness design for full-depth manhole rehabilitation, An expanded chapter on the importance of manhole condition assessment standardization through NASSCO’s Manhole Assessment Certification Program (MACP) and proper inspection through NASSCO’s Inspector Training Certification Program (ITCP) for manhole rehabilitation, An expanded chapter on various manhole rehabilitation methods and technologies, and A newly added summary chapter, detailing the importance of proper manhole inspection and rehabilitation. MOP 92 continues to be a valuable trenchless technology resource, assisting agencies in the proper identification of inventory and asset management, assessment and condition of manhole structures, decision-making regarding rehabilitation materials and methods, as well as providing key quality control measures when specifying the use of rehabilitation materials and technologies for manholes. Cover Half Title Title Page Copyright Page Contents Foreword Chapter 1: Introduction References Chapter 2: Worker Safety Potential Hazards Project Safety Assessment Traffic Equipment and Materials Personal Protection Confined Space Entry References Chapter 3: Inspection Manhole Components Mapping Condition Evaluation Structural Degradation Movement and Displacement Corrosion Infiltration and Inflow Maintenance Data Recording Paper Forms Electronic Formats References Chapter 4: Infiltration, Inflow, and Structural Condition Infiltration and Inflow Estimation Structural Assessment Reference Chapter 5: Manhole Rehabilitation Methods Manhole Covers and Frames Chimney Seals Wall Joint Seals Injection Grouting Acrylic Gels Urethane Gels Hydrophobic Urethane Foams Hydrophilic Urethane Foams Grouting Techniques Coatings and Liners Cementitious Liners Formed-in-Place Concrete Polymer Coatings and Liners Cured-in-Place Manhole Composite Systems Summary References Chapter 6: Examining Cost-Effectiveness of Manhole Rehabilitation References Chapter 7: Wall Thickness Design for Full-Depth Manhole Rehabilitation Manhole Rehabilitation Thickness Design Bonded Polymeric Liners Unbonded Shell Liners Cementitious Liners Summary References Chapter 8: Quality Management Field Investigations Design Specifications Construction Inspection Chimney Seals Coatings and Liners Reporting References Chapter 9: Summary References Glossary Index Provides a valuable update to the Manual of Practice to reflect current practices in both the inspection and rehabilitation of manholes. Includes a new chapter on wall thickness design for full-depth manhole rehabilitation, and an expanded chapter on various manhole rehabilitation methods and technologies. "Manhole Inspection and Rehabilitation, MOP 92, Third Edition, provides a valuable update to reflect current and complete inspection, as well as grading protocol that offers logical step-by-step guidance for maintaining and improving the longevity of manhole systems"-- Provided by publisher