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Home My WebLink About1999-02-17 Noise Study SPR 1 Ram Asset Management,Inc. 121 Middle Shvet R. am. Ibrtlang AIE 04101 207.774.1030 Far 207.774.6020 ASSET MANAGEMENT April20, 1999 Mr. William Scott ` Director of Economic Development OR Town of North Andover j l�g� 30 School Street PLAN t6� �() CC No. Andover, MA 01845 3T&)I N1` Re: One Clark Street Dear Mr. Scott: Please find enclosed a noise study from Tech Environmental for the redevelopment of the Borden property at One Clark Street as required by special condition 2C of the Town's Notice of Decision. I understand from our contractor, Ferd Construction, that this study must be submitted before the Town will issue a building permit. Tech Environmental's report concludes that this project falls within the guidelines described in our Notice of Decision. Please feel free to contact me if there are any further questions on this issue. Very truly yours, Richard Hanson Vice President Enclosure cc: Brian Gagne, Aries Property Co. Mark Crisman, Ferd Construction Tech Environmental, Inc. Reservolr Place 1601 Trapelo Road Waltham,MA 02451 (781)890-2220 Fax(78 1)890-9451 VIA FED-EX April 16, 1999 Ref 1770 Mr. Richard Hanson, Vice President Ram Asset Management, Inc. 121 Middle Street Portland, ME 04101 Re: Noise Study for the Redevelopment of the Borden Property at One Clark Street, North Andover Dear Mr. Hanson: A noise assessment has been performed for the proposed redevelopment of the Borden property in North Andover, Massachusetts, The objectives of this study were: (1) to establish the baseline sound levels on the property line associated with the prior operation of the facility by Borden, Inc., (2) to predict the maximum sound levels on the property line from the proposed redevelopment; and (3) to determine compliance with the Massachusetts DEP/DAQC Noise Policy 90-001 which limits increases above the baseline to no more than 10 A-weighted decibels (dBA) and prohibits the creation of a "pure tone" condition. This study concludes that the proposed redevelopment will be safely in compliance with the DEP/DAQC Noise Policy and that future sound levels in the community will in fact be lower than those existing when Borden owned and operated the facility. Wabl.ishment of Baseline Sound Levels The Borden Packaging and Industrial Products Plant at One Clark Street has 183,768 square feet of floor space and operated 24 hours per day, 7 days per week. Approximately 30 trailer trucks per day made deliveries to the site between 9 a.m. and 5 p.m. The plant produced substantial levels of noise from twenty process exhaust stacks on the roof. In November 1987, DEP issued a notice of non-compliance to Borden requiring them to install high-pressure silencers in the ducts leading from the process air blowers to the stacks. This was done and the engineer who oversaw the mitigation, Mr. Robert Nichols, P.E., performed follow-up sound monitoring in June, 1989 that confirmed the plant had come into compliance. His sound monitoring report (copy attached) established that the baseline level (after mitigation) for the Borden plant at the nearest residential property line (that for the residence at 1159 Osgood Street) was 49 dBA at night. Note that this level represents the sound from the rooftop process equipment, and not truck deliveries. DEP does not regulate noise from moving motor vehicles. r Mr. Richard Hanson 2 April 16, 1999 The redevelopment of the Borden property will involve its conversion to warehouse and office space and a reduction in the total floor area to 168,735 square feet. Approximately 10 trucks per day will make deliveries to the site between 9 a.m. and 5 p.m., a reduction in truck traffic by more than half. The twenty process air blowers which produced noise from the Borden plant will be removed entirely, and the only rooftop equipment that will be installed are low-noise HVAC units to provide heat for the warehouse spare (estimated at 90% of the total floor area) and heat plus air conditioning (estimated at 10% of the total floor area). Since the specific units have not yet been purchased for the project, a worst-case assumption was made involving four 74 ton HVAC units that could provide heat and air conditioning for 100% of the floor space, Using reference sound data for Seasons 4 units (typical), the predicted maximum sound level from all rooftop equipment at the nearest residential property line is 41 dBA. This calculation only accounted for attenuation of sound with distance, and no reductions were assumed for terrain, vegetation or roof line blockage since the lands south of the project site are at a higher elevation. When added to the area's nighttime background level of 44 dBA (see attached monitoring report), this yields a total sound level of 46 dBA at night. The rooftop equipment for the planned configuration of 90% warehouse/10% office will likely produce 2-3 dBA less than this worst-case assumption. Octave band sound power data provided by manufacturers shows that new HVAC equipment does not produce a "pure tone", as defined by DEP. Compliance With the DEPIDAQC Noise Policy The predicted maximum sound level at night from the redeveloped property (46 dBA) is 3 dBA than the baseline level for the Borden plant (49 dBA). Since this is less than a 10 dBA increase and no pure tones will be produced, the redevelopment safely complies with the DEPIDAQC Noise Policy. In addition, the reduction in truck deliveries under redevelopment will reduce the sounds produced by this activity, relative to the former Borden business. Please call if you have any questions. Sincerely yours, TECH ENVIRONMENTAL, INC. Peter H. Goldberg, C.C.M. President PHGIIg/LI Attachment PAG-M BORDEN C0jVPP'1.N'7i XR.ESINITE DEPART ENT ACOUSTICAL REPORT SORBEP,, INDUSTRIES 8 AARON STREET FRAM1N(_-YHAM,MA 01701 46 17) 679-2 140 JUNE. 1989 Mr. Craig A. Canovitch Plant Engineering Supervisor Hot-den comp-ang nesinite Department One Clark Street Post Office. 00H 97 North Rndoijer, MR 0 1845 00drMr. Canovitch: HA your request we visited ;your facifiAg on 3 mfly 1989 to measure the Plant operating sound pressure je.j;ols at the Dearest inhabited property li ne on Osgood Street (10c-afl0" -#6) as determined iv) our 22 January 1988 report. The, plant was in frill operation with blower's Uented outside after installation of Korfund Ognamics Corpot,ation Model # RJ12 H '36 high Pressure in line duct silef)COrS as Specified on form ODD-6 dated I March 1988, We utilized a General Radio ftlaue Band Analyzer model 155013p, serial number, 2419 calibrated with a Geneva[ Radio pj'eclslon calibrator model 1 562H, serial number 23924. The temperature was aPproKimatelg 50 degrees Fahrenheit.; cleat-; with the relaflue humidity approRimately 40% and wind cairn, Time: Midnight. PAGE 2 t :BORDE14 CO"NIPAT4 ITE DEPA.RT'INIF.HT ACOUSTICAL REPORT Test results Lvere as foilows: 8onditi n: BORJEN PHI NT IN FULL OPEROTION -(Rlpwors pented outside) OCTRUE BRNO CENTER FREQUENCY Hz Loc. O(a) .31 ..5 63 1125 250 500 1000 2000 4000 8000 1600W ' 6. L j, 58 59 .59 54 46 45 <44 <44 <44 <44 LLIe Can compare the above final last results with the test results at the sage location before installation of the noise abatement equipment from Our 22 January 1998 re-part which w-as; Condition: 81)HD(N PLIANT IN FULL QPFRflTION-(l3la1r_jers uented outside) Location: NERREST NELL) )NHHB1TED BOILD1N6 -- 1 159 MOOD STREET OC:TRUE BRND CENTER FREQUENCY Hz Loc, dB(a), 31 .5 63 125 250 500 1099 200 4000 9000 16000 6 64 63 60 60 54' 54 50 <44 <44 <44 <44 The ambient non operating nighttime noise level from our 22 January 1988 rOport uraS: Condition: BORDEN PL.RNT SHUT DOWN OCTAL►E OANB CENTER FREQUENCY Hz Loc, dR1.aI 31 .5 6.3 135 250 500 1000 2Q00 4000 8000 16000 6. 1 3 52 58 5-547 <44 <44 <44 <44 <44 <44 t PAGE 3 BORDEN COMPANY RESINITE DEPARTMENT ACOUSTICAL REPORT The ambient sound pressure level at the nearest inhabited building property line on Osgood Street with the Borden plant strut dawn was measured to be. 44 d8(z), The sound pressure level at the same location with the Borden plant in full operation with blowers uented outside after installation of noise ahateme.nt equipment was measured to be 49 ttB(a); an increase of 5 dB(a). No puretone. was obserue.d during either test. The Barden facility is we(( within the a(lowahle OEQE regulations which allow up to a 10 d8(a) increase, CEBTI F I C nTI ON: This certifies that the: information contained in this report has been checked for, accuracy and the design represents good air, pollution control engineering prac:tic:e and that this report is signed btu a Massachusetts registered professional engineer. (These must be originals. No photocopies, etc:.,. of the seat and .signature will be accepted.) - - -- ---------- - (si.. ature.) P.E. # (date) •�J yGi�r R08QT o ANTHONY NO, 22803 ?�