DEP WTC Site Record Excerpt, 2002

NYC 9/11 Public Portal Document

o ITEMS UNIT PRI VSEF* 1 rents 2 Glovebags 3 Exhaust (mushroom) fan unit(<500cfin UI 2.2 4 Exhaust mushroom fan unit(500 -1500cfin h 2.2 5 Exhaust (mushroom) fan uni >1500 - 2500cfin) $ 500 Each 2.2 6 Exhaust mushroom fan unit(>2500cfin) $ 600 Each 2.2 7 Exhaust Centrifugal Blower <1000cfin $ 500 Each 2.2 8 Exhaust Centrifugal Blower (>1000 - 2000cfin) $ 750 Each 2.2 9 Exhaust Centrifugal Blower >2000cfin $ 1,000 Each 2.2 10 Exhaust Riser (Includes Cleaning Grills) $ 200 Per Floor 11 Exhaust Branch Riser - horizontal runs(<6 feet) N/C 12 Exhaust Branch Riser - horizontal runs(>6 feet) $ 200 Per 10 lin ft. increments 13 Air handling unit <1000cfin S 500 Each 2.1 14 ir handling unit (1000- 2000cfm $ 750 Each 2.1 15 Air handling unit (>2000 - 3000cfin) $ 1,000 Each 2.1 16 Package AC (<5 Tons) $ 1,000 Each 2.1 17 Package AC - each addditional 2.5 Tons $ 500 Each 2.1 18 Mech. Make-up Air (< 1000 cfin) $ 600 2.3 19 Mech. Make-up Air (> 1000 cfin $ 900 2.3 20 Horizontal Supply/Return Duct < 5sf cross section $ 200 Per 101111 ft increments 2.1 21 Horizontal Supply/Return Duct > 5sf cross section $ 250 Per 10 lin ft increments 2.1 22 Supply/Return Riser < 5sf cross section $ 200 Per Floor includes diffusers & registers 23 Supply/Return Riser > 5sf cross section $ 250 Per Floor includes diffusers & registers 24 Encapsulation $ 150 Per 10 117s incriments 25 Access Hatches $ 50 Each 26 Outside Air Duct $ 200 Per 10 if incriments 2.1 27 Outside Air Plenum $ 5 Per sf surface area 2.1 28 Outside Air Intake Grill $ 5 Per sf 2.1 29 Package HVAC - Through wall $ 500EtEach 30 Baseboard Heeting Fins $ 25 31 Scaffold Set U $ 100 section

* 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

NYC-WTC 000135302