Date |
Text |
2020-02-06 06:56:12 | 02/06/20 1ST PLUMBING REVIEW**DENIED** WITH COMMENTS |
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| NOTE - A COMPREHENSIVE REVIEW COULD NOT BE DONE AT THIS |
| TIME AND ADDITIONAL PLAN REVIEW COMMENTS MAY BE |
| GENERATED UPON THE RE-REVIEW OF SUBMITTED CORRECTIONS. |
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| 1. PLEASE SHOW HOW YOU DETERMINE THE SIZE OF THE GREASE |
| TRAP PRESUMING YOU ARE USING 14 LB. GREASE CAPACITY, |
| (7) GALLONS PER MINUTE RATE FLOW THIS UNIT SHALL BE |
| SIZED IN ACCORDANCE WITH THE SIZING REQUIREMENTS PER |
| THE 2017 FBC SEC P 1003.3.4 AND TABLE 1003.3.4.1. |
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| 2. ISOMETRIC SHOWS ALL SINKS MANIFOLDED TOGETHER PLEASE |
| SEPARATE PER THE 2017 FBC SEC. 802.1.1. |
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| EXAMPLE 8-2 |
| ASSUME A SINGLE-FIXTURE INSTALLATION. SIZE THE GREASE |
| INTERCEPTOR FOR A THREE-COMPARTMENT POT (SCULLERY) |
| SINK, WITH EACH COMPARTMENT BEING 18 ? 24 ? 12 INCHES. |
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| 1. DETERMINE THE SINK VOLUME: |
| ? CUBIC CONTENTS OF ONE SINK COMPARTMENT = 18 ? 24 ? 12 |
| = 5,184 IN.3 |
| ? CUBIC CONTENTS OF THREE SINK COMPARTMENTS = 3 ? 5,184 |
| = 15,552 IN.3 |
| ? CONTENTS EXPRESSED IN GALLONS = 15,552 IN.3/231 = |
| 67.3 GAL |
| 2. ADD THE TOTAL POTABLE WATER SUPPLY THAT COULD BE |
| DISCHARGED INDEPENDENT OF THE FIXTURE CALCULATED ABOVE, |
| INCLUDING MANUFACTURER-RATED APPLIANCES SUCH AS WATER |
| WASH EXHAUST HOODS. |
| 3. DETERMINE THE FIXTURE LOAD. A SINK (OR FIXTURE) |
| SELDOM IS FILLED TO THE BRIM, AND DISHES, POTS, OR PANS |
| DISPLACE APPROXIMATELY 25 PERCENT OF THE WATER. |
| THEREFORE, 75 PERCENT OF THE ACTUAL FIXTURE CAPACITY |
| SHOULD BE USED TO ESTABLISH THE DRAINAGE LOAD: 0.75 ? |
| 67.3 GAL = 50.8 GAL. |
| 4. CALCULATE THE FLOW RATE BASED ON DRAIN TIME, |
| TYPICALLY ONE OR TWO MINUTES. FLOW RATE IS CALCULATED |
| BY DIVIDING THE DRAINAGE LOAD IN GALLONS BY THE DRAIN |
| TIME IN MINUTES. THEREFORE, THE FLOW FOR THIS EXAMPLE |
| WOULD BE 50 GPM (3.15 L/S) FOR ONE-MINUTE DRAINAGE OR |
| 25 GPM (1.58 L/S) FOR TWO-MINUTE DRAINAGE. |
| 5. SELECT A HYDROMECHANICAL INTERCEPTOR WITH A RATED |
| CAPACITY OF 50 GPM FOR ONE-MINUTE FLOW OR 25 GPM FOR |
| TWO-MINUTE FLOW. |
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| WHEN RESUBMITTING PLANS PLEASE INDICATE THE REVISION & |
| REMOVE ANY VOIDED SHEETS & REPLACE ANY PAGES AS |
| NECESSARY. A TRANSMITTAL LETTER LISTING THE ORIGINAL |
| REVIEW COMMENT NUMBER, WITH A DESCRIPTION OF THE |
| REVISION, MADE, IDENTIFYING THE SHEET OR SPECIFICATION |
| PAGE WHERE THE CHANGES CAN BE FOUND WILL HELP TO |
| EXPEDITE YOUR PERMIT. THANK YOU FOR YOUR ANTICIPATED |
| COOPERATION. |
| |
| LUIS A. CRESPO |
| PLUMBING INSPECTOR / |
| PLUMBING PLAN REVIEW |
| AVAILABLE FROM 1:00 PM TO 4:00 PM |
| [email protected] |
| 561-805-6720 |
| |