Date |
Text |
2008-02-08 15:49:34 | REVIEW #: 4TH |
| ACTION: DENIED |
| |
| FBC 2004 CODE FAMILY W/ 2005 SUPPLEMENTS |
| FBC CH.1 AS AMENDED BY THE CITY OF WEST PALM BEACH |
| |
| THE FOLLOWING COMMENTS ARE NUMBERED TO CORRESPOND WITH |
| PREVIOUS REVIEW COMMENTS AS WELL AS DESIGNER'S WRITTEN |
| RESPONSES FOR THE PURPOSE OF CONTINUITY. |
| |
| NOTE: RESPONSE LETTER FROM GORDON BUCK INDICATES THE |
| MECHANICAL PROJECT HAS BEEN COMPLETELY REDESIGNED. |
| THEREFORE, A COMPLETE REVIEW OF THE MECHANICAL SYSTEM |
| IS NECESSARY AND ADDITIONAL NEW COMMENTS ARE POSSIBLE. |
| |
| 1. BATHROOMS HAVE BEEN RECONFIGURED FROM WHAT WAS SHOWN |
| ON PREVIOUS PLANS. THE WOMEN?S RESTROOM DOES NOT HAVE |
| ADEQUATE EXHAUST. THE FLOOR PLAN ON PG M.2 NOW SHOWS |
| THE WOMEN?S RESTROOM WITH 4 WATER CLOSETS. FLOOR PLAN |
| ALSO SHOWS AN EXHAUST FAN PROVIDING 150 CFM OF EXHAUST. |
| A MINIMUM OF 50 CFM PER WATER CLOSET IS REQUIRED IN |
| ACCORDANCE WITH FBC, M TABLE 403.3. AS SUCH THE WOMEN?S |
| RESTROOM REQUIRES A MINIMUM OF 200 CFM OF EXHAUST. |
| ALSO, BOTH THE MEN?S AND WOMEN?S RESTROOMS SHOW SUPPLY |
| AIR IN EXCESS OF THE EXHAUST AIR. ALL AIR SUPPLIED TO |
| THE RESTROOMS SHALL BE EXHAUSTED IN ACCORDANCE WITH |
| FBC, M 403.2.1. |
| |
| 2. OUTSIDE AIR CALCULATIONS ARE NOT IN CONFORMANCE WITH |
| THE REQUIREMENTS OF TABLE 403.3. THE FOLLOWING ARE |
| EXAMPLES ONLY. THE CALCULATIONS FOR THE ENTIRE BUILDING |
| SHOULD BE CHECKED FOR ACCURACY PRIOR TO RESUBMITTAL. |
| -AHU #1: THIS UNIT SERVES TWO CONFERENCE ROOMS AND A |
| MEETING HALL. FBC, M TABLE 403.3 PUTS THE OCCUPANT LOAD |
| IN THESE AREAS AT 50 PEOPLE PER 1000 SQUARE FEET. WITH |
| ONE OF THE CONFERENCE ROOMS DIVIDED IN HALF (BECAUSE IT |
| IS SERVED BY AHU 1 AND AHU 3, THE TOTAL SQUARE FEET OF |
| THESE THREE AREAS IS 402 SF. AT 50/1000 THESE AREAS |
| HAVE AN OCCUPANT LOAD OF 20 PEOPLE WITH AN OUTSIDE AIR |
| RATE OF 20 CFM PER PERSON FOR A TOTAL REQUIRED OUTSIDE |
| AIR VOLUME OF 400 CFM. |
| -AHU #2 AND AHU #4: THE OCCUPANT LOAD OF THE ASSEMBLY |
| AREAS ARE TO BE CALCULATED AT 150 PEOPLE PER 1000 |
| SQUARE FEET. WHERE SPACES HAVING DIFFERENT VENTILATION |
| RATE REQUIREMENTS ARE SERVED BY A COMMON VENTILATION |
| SYSTEM, THE RATIO OF OUTDOOR AIR TO TOTAL SUPPLY AIR |
| FOR THE SYSTEM SHALL BE DETERMINED BASED ON THE SPACE |
| HAVING THE LARGEST OUTDOOR AIR REQUIREMENT IN |
| ACCORDANCE WITH FBC, M 403.3.2. THEREFORE, THE ENTIRE |
| SPACE SERVED BY AHU #2 AND AHU #4 SHALL BE CALCULATED |
| AT THE RATE STATED ABOVE. ACCORDING TO THE TABLE ON PG |
| M.1, THESE UNITS SERVE A COMBINED SPACE OF 4665 SQUARE |
| FEET FOR A TOTAL OCCUPANT LOAD OF 700 PEOPLE. AT A RATE |
| OF 15 CFM PER PERSON THE TOTAL REQUIRED VOLUME OF |
| 10,500 CFM. AHU #2 AND AHU #4 ARE NOT CAPABLE OF |
| SUPPLYING THESE QUANTITIES EVEN AT 100% OUTSIDE AIR. |
| NOTE: THERE ARE DIFFERENT DESIGN PARAMETERS AND SYSTEM |
| CONFIGURATIONS WHICH COULD SIGNIFICANTLY REDUCE THE |
| AMOUNT OF OUTSIDE AIR REQUIRED FOR THESE SPACES. THESE |
| NUMBERS ARE BASED SOLELY ON THE INFORMATION AND SYSTEMS |
| SHOWN ON THE PLANS. PLEASE CALL IF THE DESIGNERS WOULD |
| LIKE TO DISCUSS ALTERNATIVES OR OPTIONS. |
| |
| 3. AHU #2, AHU #4 AND PU #6 AT 5 TONS ARE CAPABLE OF |
| PRODUCING CFM IN EXCESS OF 2,000 AND THEREFORE A FAN |
| SHUT-DOWN BY SMOKE DETECTOR IS STILL REQUIRED ON THESE |
| SYSTEMS IN ACCORDANCE WITH FBC, M 606.2.1. |
| |
| 4. OK. FLOOR PLAN NOW SHOWS DUCTED RETURNS, THUS |
| ELIMINATING PLENUM CLOSETS. |
| |
| 5. PG M.3: PRIVATE BATH IS STILL MISSING EXHAUST AS |
| REQUIRED IN ACCORDANCE WITH FBC, M TABLE 403.3. |
| |
| 6. A) CONDENSING UNITS SHOWN ON ROOF INSTALLED ON |
| EXISTING A/C STANDS. AS STATED IN PREVIOUS REVIEW, WORK |
| DONE WITHOUT A PERMIT WILL NOT BE CONSIDERED EXISTING. |
| THEREFORE, PRE-ENGINEERED A/C STANDS ARE REQUIRED TO |
| HAVE PRODUCT APPROVAL IN ACCORDANCE WITH FAC RULE |
| 9B-72. PROVIDE PRODUCT APPROVAL DOCUMENTATION, REVIEWED |
| AND APPROVED IN WRITING BY THE PROJECT DESIGN |
| PROFESSIONAL IN ACCORDANCE WITH FBC 106.3.3. ALSO, PU |
| #6 IS INSTALLED ON A ROOF CURB. PROVIDE DETAIL WITH |
| WIND LOAD CALCULATIONS FOR BUILDING PLAN REVIEW TO SHOW |
| HOW CURB IS TO BE ATTACHED TO STRUCTURE AND HOW UNIT IS |
| TO BE ATTACHED TO CURB. MECHANICAL EQUIPMENT, |
| APPLIANCES AND SUPPORTS THAT ARE EXPOSED TO WIND SHALL |
| BE DESIGNED AND INSTALLED TO RESIST THE WIND PRESSURES |
| ON THE EQUIPMENT AND THE SUPPORTS AS DETERMINED IN |
| ACCORDANCE WITH THE FLORIDA BUILDING CODE, BUILDING PER |
| FBC, M 301.13. |
| NOTE: THIS REQUIREMENT INCLUDES THE ROOFTOP PACKAGE |
| UNIT ITSELF, WHICH MUST ALSO BE DESIGNED AND TESTED TO |
| WITHSTAND WIND PRESSURES AS REQUIRED BY THIS SECTION. |
| B) CU #4, CU #5 AND PU #6 ARE LOCATED ON SECOND STORY |
| ROOF. HOW IS THIS EQUIPMENT TO BE ACCESSED FOR SERVICE? |
| WHERE EQUIPMENT AND APPLIANCES REQUIRING ACCESS ARE |
| INSTALLED ON ROOFS OR ELEVATED STRUCTURES AT A HEIGHT |
| EXCEEDING 16 FEET, SUCH ACCESS SHALL BE PROVIDED BY A |
| PERMANENT APPROVED MEANS OF ACCESS, THE EXTENT OF WHICH |
| SHALL BE FROM GRADE OR FLOOR LEVEL TO THE EQUIPMENT AND |
| APPLIANCES? LEVEL SERVICE SPACE IN ACCORDANCE WITH FBC, |
| M 306.5. PLEASE SEE THIS CODE SECTION FOR ADDITIONAL |
| SPECIFIC REQUIREMENTS. PROVIDE DETAIL ON PLANS SHOWING |
| COMPLIANCE WITH THIS SECTION. |
| |
| 7. THIS COMMENT WAS NOT ADDRESSED. ALSO, ROOFTOP |
| PACKAGE UNIT REQUIRES AUXILIARY DRAIN PROTECTION IN |
| ACCORDANCE WITH FBC, M 307.2.3. A FLOAT SWITCH INSIDE |
| THE UNIT ON THE PRIMARY DRAIN PAN WILL MEET THIS |
| REQUIREMENT. |
| |
| 8. COMPLETION OF PROCEDURES DEMONSTRATING COMPLIANCE |
| WITH THIS CODE FOR COMMERCIAL BUILDINGS SHALL BE SIGNED |
| AND SEALED BY AN ARCHITECT OR ENGINEER LICENSED TO |
| PRACTICE IN THE STATE OF FLORIDA IN ACCORDANCE WITH FBC |
| 13-103.1.1.1. |
| |
| NEW COMMENT: GENERAL NOTE #2 ON PG M.1 STATES THAT |
| OUTSIDE AIR IS PROVIDED BY OARTU 1 & 2. THIS NOTE IS |
| NOT APPLICABLE TO THIS JOB AT THIS TIME AND SHOULD BE |
| REMOVED FROM PLANS. FBC 106.1.1. |