envac roosevelt island avac presentation
DESCRIPTION
September 29, 2015 presentation by ENVAC representative Rosina Abramson to upgrade Roosevelt Island AVAC garbage removal system to NYC Community Board 8 Roosevelt Island CommitteeTRANSCRIPT
7/17/2019 ENVAC Roosevelt Island AVAC Presentation
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HISTORY: Upgrade study based on 2013 study by UTRC*.
PURPOSE: At the request of DSNY, Envac conducted an inspection of the 40 yearold AVAC system on Roosevelt Island in December 2013, with the purpose ofextending its useful life serving 14,000 New Yorkers living on the Island and makingoperations more cost effective and efficient, including reduction of electricalconsumption and staffing demands.
FINDINGS: The 40 year old AVAC system, with an original useful life of 30 years anddespite the skillful operations conducted by DSNY, has deteriorated to the point where
essentially all operations must be manually initiated imposing significant staffingdemands; ill fitting valves, seals and pipes further interfere with automated operations,can cause blockages and increase energy costs. Outmoded exhausters alone, inflateenergy costs by some 50%. The current computer control system cannot be integratedwith the new Building Automation Systems now required by DSNY. Current workplaceconditions are unnecessarily unpleasant and dangerous in certain situations.
The Horizontal transport pipe can continue to function with continued maintenance.
RECOMMENDATIONS: For the total cost of approximately 1 year of DSNY’s annual
AVAC operating budget, 3 phases of upgrades would extend the system’s useful life to
serve the existing as well as 3 more residential high rise buildings scheduled to openin the next 5 years, while reducing operating costs and approximately 60% of annualelectrical costs and consumption.
Recommended upgrades approximating $2 million include interim operating optionswhich would maintain service through the upgrade effort .
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