| Date |
Text |
| 2003-02-21 00:00:00 | REVISONS SUBMITTED AS SHOP DRAWINGS WITH |
| | JOSE SUAREZ, ARCHITECT COVER LETTER |
| | DATED 2/14/03 |
| | |
| | THE ARCHITECT REQUESTS THAT POLYSTYRENE |
| | FOAM PRODUCTS BE SUBSTITUTED FOR THE |
| | PRECAST CONCRETE TRIM THAT WAS APPROVED |
| | ON THE PERMIT PLANS.THIS TRIM IS TO |
| | BE APPLIED TO THE EXTERIOR WALLS OF THE |
| | BUILDING. |
| | |
| | THE ARCHITECT CITES SBC 803.2 AS A BASIS |
| | FOR COMPLIANCE.THIS IS WITHOUT |
| | STANDING SINCE 803.2 IS FOR INTERIOR |
| | FINISHES. THE FIRE TEST METHOD OF E-84 |
| | CITED IN 803.2 IS NOT USED TO DEFINE |
| | NON-COMBUSTIBLE, ASTM E 136 IS. |
| | |
| | SBC 202, AS WELL AS THE CURRENT FBC |
| | CLEARLY DEFINE NON-COMBUSTIBLE.ONE IS |
| | CAUTIONED THAT THE SECOND PART OF THAT |
| | DEFINITION CITES E 84 FOR SURFICIAL |
| | COATINGS NOT MORE THAN 1/8" THICK, WHEN |
| | APPLIED TO A STRUCTURAL BASE MEETING E |
| | 136. |
| | |
| | IN THE CASE OF THE UNIVERSAL FOAM |
| | PRODUCT PROVIDED, THE POLYSTYRENE FOAM |
| | MUST MEET E 136 AND THE POLYURETHANE |
| | COATING ON THAT FOAM OF 1/8" THICKNESS |
| | OR LESS, NEED MEET ONLY E 84 |
| | REQUIREMENTS. |
| | |
| | THE APPLICABLE CODE SECTION IS SBC 1404 |
| | AND THE CITY'S AMENDMENT TO THE SBC |
| | INVOKING APPENDIX F, FIRE DISTRICT |
| | REQUIREMENTS.BRIEFLY, THESE CODE |
| | SECTIONS REQUIRE EXTERIOR TRIM TO BE |
| | NON-COMBUSTIBLE OR OF FIRE RETARDANT |
| | TREATED LUMBER.THE FAVORED NATURE AND |
| | CHARACTERISTICS OF FIRE RETARDANT |
| | TREATED LUMBER UNDER FIRE CONDITIONS, |
| | DEMONSTRATED BY TESTING, FAR EXCEED |
| | THOSE EXHIBITED BY THE FOAM PRODUCT |
| | THAT IS REQUESTED AS A SUBSTITUTION. |
| | |
| | SEVERAL OF THE TEST REPORTS PROVIDED |
| | SAY THE MATERIAL MELTED AND FELL TO |
| | THE FLOOR OF THE TEST CHAMBER AND |
| | BURNED BEFORE THE CONCLUSION OF THE |
| | REQUIRED TEST PERIOD.THE EVALUATION |
| | REPORTS REFERENCED, SOME OF WHICH ARE |
| | OBSOLETE, ARE FOR TESTS USING SPECIFIC |
| | THICKNESSES, SYSTEMS AND UNIQUE |
| | ASSEMBLAGES. |
| | |
| | USING PRUDENCE AND CODE EXPERIENCE, |
| | TOGETHER WITH THE INFORMATION PROVIDED |
| | THUS FAR,IT CANNOT BE REASONED THAT |
| | THIS IS AN EQUAL AND ALTERNATE MATERIAL |
| | FOR THE PURPOSE INTENDED, AND BE |
| | SUBSTITUTED FOR NON-COMBUSTIBLE |
| | MATERIAL AS SUCH. |
