2020-09-18 17:15:08 | 1ST REVIEW FBC-2017 RES. FUEL GAS |
| PERMIT- 20090435 |
| 9/18/2020 |
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| CODES IN EFFECT: |
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| FBC RES- FLORIDA RESIDENTIAL BUILDING CODE SIXTH |
| EDITION 2017 |
| FBC P- FLORIDA PLUMBING CODE SIXTH EDITION 2017 |
| FBC B- FLORIDA BUILDING CODE SIXTH EDITION 2017 |
| FBC M- FLORIDA MECHANICAL CODE SIXTH EDITION 2017 |
| FBC EC- FLORIDA ENERGY CONSERVATION CODE SIXTH EDITION |
| 2017 |
| FBC FG- FLORIDA FUEL GAS CODE SIXTH EDITION 2017 |
| FBC EX- FLORIDA EXISTING BUILDING CODE SIXTH |
| FS- FLORIDA STATUTES |
| FAC- FLORIDA ADMINISTRATIVE CODE |
| WPB- WEST PALM BEACH AMENDMENTS TO THE FBC SIXTH |
| EDITION 2017 |
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| PLAN REVIEW RESULTS: DENIED. |
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| 1) GAS ISOMETRIC DRAWING: |
| A) PROVIDE THE TOTAL DEVELOPED LENGTH OF THE SYSTEM, |
| AND THE LENGTHS OF THE BRANCHES TO THE INTERIOR AND THE |
| POOL HEATER- SECTIONS G2413.4.1 AND G2413.4.2 FBC RES. |
| B) INDICATE THE TOTAL LOAD OF THE SYSTEM- 1,126,000 |
| BTUH PER SECTION G2413.2 |
| C) PIPE SIZING TABLE 402.4(3) SHOWN ON THE RISER HAS AN |
| INITIAL SUPPLY PRESSURE OF 8.0 IN. WC. AND A PRESSURE |
| DROP OF 3.0 IN. WC. THIS APPEARS TO BE THE INCORRECT |
| SIZING TABLE BECAUSE COMMON RESIDENTIAL LOW PRESSURE |
| PIPING SYSTEMS ARE DESIGNED AT A PRESSURE AROUND 7 IN. |
| WC. AND A PRESSURE DROP OF 0.5 IN. WC. THE PIPING MUST |
| BE SIZED SUFFICIENTLY ENOUGH SO THAT THE PRESSURE DROP |
| IS A HALF AN INCH OF WATER COLUMN OR LESS, WHEN ALL THE |
| GAS APPLIANCES ARE ON. THE CALCULATED DROPPED PRESSURE |
| (THE STATIC PRESSURE MINUS THE 3.0 IN. PRESSURE DROP), |
| MUST BE GREATER THAN THE HIGHEST MINIMUM GAS PRESSURE |
| REQUIRED BY ANY OF THE GAS APPLIANCES ON THE SYSTEM. |
| PLEASE REFER TO TABLES G2413.4(1)- G2413.4(8) FBC RES. |
| TABLE G2413.4(1) IS THE TYPICAL LOW PRESSURE SIZING |
| TABLE USED. THE RELATIVE TABLE IN THE FBC FG IS |
| {402.4(2). USING THIS TABLE THE 1 IN. SCHEDULE 40 |
| METALLIC PIPES SHOWN DOWNSTREAM OF THE REGULATOR AND |
| METER, AT A MINIMUM SHALL BE SIZED AT 1-1/2 INCHES FOR |
| THE TOTAL 1,126,000 BTUH LOAD. PLEASE NOTE THE 1-1/2 |
| IN. PIPE WILL MAX OUT FOR THE SYSTEM AT A TOTAL |
| DEVELOPED LENGTH OF 30 FT. A SECOND OPTION WOULD BE TO |
| INSTALL A 2.0 PSI REGULATOR AT THE METER IF POSSIBLE |
| AND LOW PRESSURE REGULATORS FOR THE BRANCHES AND |
| APPLIANCES. |
| D) PROVIDE THE MAKE AND MODEL OF THE SELECTED REGULATOR |
| ON THE RISER, AND MARK UP OR HIGHLIGHT THE SPEC SHEETS |
| TO SHOW THE MODEL, INLET AND OUTLET PRESSURES, SPRING |
| SELECTION, AND ORIFICE SIZE- SECTION G2421.1 & G2421.2. |
| E) SUBMIT MANUFACTURER'S SPECS FOR THE GENERATOR FLEX |
| CONNECTOR THAT INDICATE MANUFACTURER AND MODEL, LISTING |
| STANDARDS, AND INSTALLATION GUIDELINES- SECTION |
| G2415.1. |
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| 2) SURVEY: CORRECT THE 5 FT. CLEARANCE TO WINDOW AND |
| DOOR OPENINGS PER SECTION R303.5.1 FBC RES. A MINIMUM |
| 10 FT. CLEARANCE IS REQUIRED. VERIFY THE ADJACENT HOUSE |
| WALL IS NON-COMBUSTIBLE AND HAS A 1-HR. FIRE-RESISTANCE |
| RATING, OTHERWISE A 5 FT. CLEARANCE IS REQUIRED PER |
| SEC. 4.1.4 NFPA 37. PROVIDE THE CLEARANCE DISTANCE TO |
| THE ADJACENT PROPERTY LINE- IT IS INDICATED AS 8.5 FT. |
| FROM THE STRUCTURE- SECTION 107.2.1 WPB. |
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| WHEN RESUBMITTING, IT IS HELPFUL TO PROVIDE A RESPONSE |
| LETTER ADDRESSING EACH ITEM ALONG WITH THE CITY |
| RE-SUBMITTAL FORM. |
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| CHRISTOPHER L. COLE |
| MECHANICAL/PLUMBING PLANS EXAMINER |
| 401 CLEMATIS STREET |
| WEST PALM BEACH FL 33401 |
| 561-805-6719 |
| [email protected] |
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