The order the City kept.

NYC-WTC_000165496 – NYC-WTC_000165497

Fragmented document excerpt related to the WTC-DEY Street Underpass project plans or correspondence.

NYC-WTC_000165498 – NYC-WTC_000165499

Standard office message slip left for a contact regarding the WTC-DEY Street Underpass project.

NYC-WTC_000165522 – NYC-WTC_000165535

Technical diagrams and tables showing proportions of value when flowing full for sewer design calculations related to the WTC project.

NYC-WTC_000165541 – NYC-WTC_000165543

Excerpt from DEP regulations listing prohibited substances and conditions for discharging into public sewers.

NYC-WTC_000165550 – NYC-WTC_000165553

Fragment of a document bearing the seal of the State of New York Public Service Commission related to the WTC project.

NYC-WTC_000165554 – NYC-WTC_000165555

Routing envelope or correspondence header from Port Authority to Department of Environmental Protection regarding the WTC project.

NYC-WTC_000165558 – NYC-WTC_000165560

Partial technical drawing or specification document with unclear markings related to WTC underpass infrastructure design.

NYC-WTC_000165561 – NYC-WTC_000165569

Technical drawing or schematic fragment related to the World Trade Center Dey Street underpass infrastructure.

NYC-WTC_000165570

Administrative record or drawing reference for the World Trade Center Dey Street underpass project.

NYC-WTC_000165571 – NYC-WTC_000165575

Administrative record or drawing reference for the World Trade Center Dey Street underpass project.

NYC-WTC_000165579 – NYC-WTC_000165581

Internal DEP memo outlining a strategy to replace an existing sewer conflicting with the proposed escalator underpass.

NYC-WTC_000165591

World Trade Center technical drawing or sketch fragment document.

NYC-WTC_000165595 – NYC-WTC_000165596

Handwritten technical notes and sketch annotations related to WTC Underpass sewer project construction planning.

NYC-WTC_000165597 – NYC-WTC_000165598

Letter from DEP to Port Authority requesting updated plans and specifying concrete encasement for a proposed ductile iron pipe under Church Street.

NYC-WTC_000165609 – NYC-WTC_000165612

Sheet from Port Authority engineering computations regarding structural calculations for a World Trade Center structure or utility component.

NYC-WTC_000165613

Letter from Port Authority to DEP proposing a new sewer alignment north of the kiosk foundation for the Dey Street underpass.

NYC-WTC_000165614 – NYC-WTC_000165618

Sheet from Port Authority engineering computations regarding structural calculations for a World Trade Center structure or utility component.