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HomeMy WebLinkAboutCUP 00-46B; Pacific Bell Harding Street Building Addition; Conditional Use Permit (CUP) (9)p Allied Design Group ARCHITECTURE / PLANNING I INTERIOR DESIGN Allied Design Group 2359 Fourth Avenue, Suite 201 San Diego, CA 92101 Phone: (619) 233-6777 E-mail: iwda@,iwdainc.com Fax: (619) 233-3868 DATE: October 09, 2001 TO: City of Carlsbad ATTENTION: Anne Hysong PROJECT: REGARDING: Dear Anne Hysong: This is in response to the plan check number 01-216 dated September 26,2001 addressed to our office. We made all necessary revisions to the above referenced project. Response to the comments has been addressed as follows: On additional comments under item-# 1 “sheet A-1: item 3 under plan notes: revise to require replacement of existing‘chain link fence with vinyl coated chain link or iron rail fence (no slats) Carlsbad 11 - PacBell Bldg. Addition Submittal of revised plans to The City of Carlsbad Item # 1 -the note is revised, please refer to sheet A1 plan note # 3 Item #2 Please verify that the attached mitigation (sound incorporated into plan. ttenu ti n) is Item ## 2- the attached mitigation (sound attenuation is incorporated in the drawing set. For item ## 1: Air cooled chiller and pump..... Please refer to A1 plan notes # 13, # 30, and A 3.3 the 14 feet high chiller yard, and 8 feet high chiller pump enclosures respectively are incorporated in these dwgs. Please also refer to sheet A7.1 door # 118 under doorframe note 18. For item # 2: Air handlers and emergency generator ..... The air handler in the first floor room should have seven-foot long sound attenuators.. . . . . . . . . F:\l700-1799\1739-Carlsbadl l\Transmitta\l00901 -CDSUBMTLS-CITY .doc 6 i The air handler in the first floor room has seven-foot sound attenuators. Please refer to MO.l - under sound attenuators schedule - at row # 5 - SN5. Please see M2.1 for the corresponding plan. The air handler in the second floor room should have five-foot long sound attenuators.. .... The air handlers in the second floor room have five-foot long sound attenuators, please refer to MO.l- under sound attenuator schedule- at row # 1 and row # 2 - SN1 and SN2 respectively. Please see M2.2 for the corresponding plan. 0 0 Place a five-foot long sound attenuator in the generator room.. ...... A five-foot long sound attenuator has been placed in the generator room Please refer to MO.l - under sound attenuators schedule - at row # 3 and row # 4 - SN3 and SN4 respectively. Please see M2.1 for the corresponding plan. I 0 I Install a super critical grade muffler on the generator. A super critical grade muffler on the generator has been specified; please refer to A2.2 under plan notes # 31. ‘0’ Install a sound rated door with a sound transmission class (STC) 45 or greater ...... A sound rated door with a sound transmission class (STC) 45 or greater has been specified to install in the generator room, please see sheet A7.1 under “door schedule” - door # 106, and the corresponding door & frame notes # 20. Please refer to A2.2 for the location of the door. 1 0 Install minimum two-inch thick, semi rigid fiberglass sound absorbing material... ... An Owens-coming type 703 of 2” thick rigid fiberglass has been specified to install in the interior wall and ceiling surfaces of the generator room. Please refer to A2.2 plan note # 25. . Item # 3 - Install low (4 -6 foot high) bollard lighting in the parking lot. ..... Item # 3 - A 36” high bollard lighting has been specified to install in the parking lot, please refer to E2.0 detail D/ E2.0. Please call should you have further questions regarding this project. Best regards, melaku Qebru - Allied Design Group F:\l7OO-1799\1739-CafIsbadl l\Transmittal\lOO901 -CDSUBMTL5-CITY .doc