NYC-WTC_000135279
Price list for WTC HVAC cleaning units including exhaust fans and blowers.
1 shared topics · Same agency, volume and box · similarity 0.983
machine-extracted · confidence unavailable · Check page ↗Detailed list of unit prices for various HVAC components including fans, blowers, and ducts for environmental cleaning.
NYC-WTC_000135290–000135294Folder label: “HVAC COSTS”

OCR status: ocr · source: ours
NYC-WTC 35290 ITEMS Tents Glovebags Exhaust (mushroom) fan unit(<500cfm) Exhaust (mushroom) fan unit(500 - 1500cfm) Exhaust (mushroom) fan unit(>1500 - 2500cfm) Exhaust/mushroom) fan unit(>2500cfm) Exhaust Centrifugal Blower (<1000cfm) Exhaust Centrifugal Blower (>1000 - 2000cfm) Exhaust Centrifugal Blower (>2000cfm) Exhaust Riser (Includes Cleaning Grills) Exhaust Branch Riser (<6 feet) Exhaust Branch Riser (>6 feet) Air handling unit (<1000cfm) Air handling unit (1000 - 2000cfm) Air handling unit (>2000- 3000cfm) Package AC (< 5 Tons) Package AC - each addditional 2.5 Tons Mech. Make-up Air (< 1000 cfm) Mech. Make-up Air (> 1000 cfm) Horizontal Supply/Return Duct < 5sf cross section Horizontal Supply/Retum Duct > 5sf cross section Supply/Return Riser < 5sf cross section v Supply/Return Riser > 5sf cross section VEncapsulation V Access Hatches X Outside Air Duct x Outside Air Plenum Outside Air Intake Grill v Scaffold Set Up * VENTILATION SYSTEM EVALUATION FORM 2.1 Central Ventilation System Visual Inspection Form 2.2 Mechanical Exhaust System Visual Inspection Form 2.3Mechanical Make-up Air system Visual Inspection Form WTC HVAC CLEANING UNIT PRICES TUNIT PRICE 500 Each 350 Each 300 Each 500 Each 750 Each 1,000 Each 1,000 Each 1,500 Each 2,000 Each 200 Per Floor N/C 200 Per 10 lin ft. increments 1,000 Each 2,000 Each 3,000 Each 1,000 Each 500 Each TBD TBD 600 9oo 200 Per 10 lin ft increments 300 Per 10 lin ft increments 200 Per Floor 300 Per Floor 100 Per 10 lf/sf increments 50 Each 200 Per 10 If in crements 5 Per sf 5 Persf 100 Per 5 ft section 12 VSEF* 2.2 2.2 2.2 2.2 22 2.2 22 2.1 2.1 2.1 2.1 2.1 2.3 2.3 2.1 2.1 2.1 2.1 2.1 to expensive to expensive to expensive 750 1000 1,250 does this mean horizontal duct does this mean horizontal duct includes diffusers & registers includes diffusers & registers Dave NYC 9/11 Public Portal Document
OCR can misread numbers and units. Confirm readings against the page image before using them.
Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000135279
Price list for WTC HVAC cleaning units including exhaust fans and blowers.
1 shared topics · Same agency, volume and box · similarity 0.983
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000135265
Price list for HVAC cleaning units including exhaust fans and blowers at WTC.
1 shared topics · Same agency, volume and box · similarity 0.951
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000135295
Fragmented DEP record excerpt from the World Trade Center site containing identification codes and illegible text.
1 shared topics · Same agency, volume and box · similarity 0.947
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000135304
Memo clarifying unit pricing and inspection forms for WTC HVAC cleaning contractors.
1 shared topics · Same agency, volume and box · similarity 0.909
machine-extracted · confidence unavailable · Check page ↗Same agency, volume and box · similarity 0.887
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000135253
Summary of HVAC cleaning costs per unit and floor for multiple buildings on the World Trade Center site.
Same agency, volume and box · similarity 0.870
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000135222
Summary sheet listing HVAC costs and building details for multiple properties including 111 Broadway and 25/45 Wall Street.
Same agency, volume and box · similarity 0.865
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000136109
Contractor invoice application noting substantial completion and requesting missing cleaning checklists for common spaces.
Same agency, volume and box · similarity 0.857
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000163030
HVAC equipment pricing information for remediation project procurement.
1 shared topics · similarity 0.955
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000163040
Draft change order for WTC cleaning contracts establishing unit prices for HVAC cleaning without increasing contract NTE price.
1 shared topics · similarity 0.887
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000133531
Memo recommending cleaning of HVAC components at 45 Wall Street following a visual inspection related to World Trade Center reports.
Similar document embedding; no shared entity or topic indexed. · similarity 0.859
machine-extracted · confidence unavailable · Check page ↗1 shared topics · similarity 0.852
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
Page similarity is temporarily unavailable or this page has no indexed vector.
Readers open these alongside this record — through an Ask answer, the same folder, or indexed similarity. Not a claim they are about the same event.
NYC-WTC_000135205
Administrative record identified by document number from the DEP Box 56 collection regarding WTC activities.
Filed in the same folder
Filed in the same folder
NYC-WTC_000135222
Summary sheet listing HVAC costs and building details for multiple properties including 111 Broadway and 25/45 Wall Street.
Filed in the same folder
A single-page record containing numerical data and an identification number related to HVAC costs.
Filed in the same folder
Detailed summary of HVAC cleaning costs per unit and floor for multiple buildings on the World Trade Center site.
Filed in the same folder