The Manhole Recovery resource library is one of the most comprehensive collections of manhole rehabilitation knowledge available anywhere online. Browse our guides, industry standards summaries, case studies, and technical references — all curated by our team of certified engineers and field specialists.

Technical Guides

Industry Standards Quick Reference

Understanding the regulatory landscape is essential for any manhole rehabilitation project. Key standards include ASTM C478 (precast concrete manholes), ASTM D638 (polyurea tensile properties), NASSCO’s MACP (Manhole Assessment and Certification Program), and EPA guidance on sanitary sewer overflow (SSO) reduction. Our Standards Overview page provides plain-language summaries of each.

Case Studies

Calculators & Tools

Use our interactive tools to estimate project costs, calculate coating thickness requirements, and compare rehabilitation methods side by side. Visit our Tools & Calculators page to get started.

Downloadable Materials

Members of the Manhole Recovery community gain access to our full library of specification templates, RFP boilerplate language, pre-bid meeting checklists, and post-installation QA/QC forms. Join our community to access these materials.

Recommended Reading

Our editorial team regularly reviews and recommends books, journal articles, and training programs. See our current recommended reading list on the blog.