Details Classified Areas DWG Detail for AutoCAD

Details Classified Areas DWG Detail for AutoCAD

Details constructives of where conditions are all clasified areas – Include explosion radios ; areas of coverage

Drawing labels, details, and other text information extracted from the CAD file:

energy management, www.emseng.com, general notes, dwg. no., reference drawings, description, as-built, const., bid, revisions, no., date, drawing status, issued for, scale, drawn, chk’d, approved, ems job no., client file no., ems file no., title, rev., project number, file path:, time:, date:, plotted by:, vent line, note:, tank within dike, tank with remote impounding, storage tank, drainage path to remote impound, top of dike, top of remote impounding or dike, centerline of drainage path, pump handling non flammable produced or processed water, vent, with dike, instrument or gas operated device, surface of liquid, compressor or pump, roof vent, compressor or pump in an adequately ventilated semi-enclosed area per api, compressor or pump in an inadequately ventilated semi-enclosed area per aga, structural column, vapor tight or non-vapor tight walls, non-vapor tight wall, vapor tight wall, finished grade, source, this dwg., section, process equipment vent in a nonenclosed adequately ventilated area per aga, process valve in an adequately ventilated nonenclosed area per aga, pneumatic instrument, fuel gas piping, adequately ventilated non-enclosed area for fired equipment per aga, dxxxxxxxx, detail, a-a, scale: not to scale, non-classified exhaust stack, flow, ground plane, general notes:, group, hazardous material information, motor oil, natural gas, chemical, autoignition temperature, methanol, agent, class iii, class i, classification, class ii, flammable gases and vapors, combustible dust, ignitable fibers and flyings, division ii, division i, flammable gas always present during normal operating conditions or equipment breakdown, class i, group c, class i, group a, class i, group b, acetylene or an equivalent gas, hydrogen or an equivalent gas, ethylene or an equivalent gas, propane or an equivalent gas, class ii, group g, class ii, group e, class ii, group f, metal dust, carbon black, coal dust, flour, starch, grain, class i, div. ii, class i, div. i, definition of boundaries:, flammable gas may be present in abnormal operating conditions or equipment breakdown, class i, div i, class i, div ii, high probability, low probability, acetylene or equivalent, hydrogen or equivalent, ethylene or equivalent, propane or equivalent, flammable material continuously present, flammable material intermittently present, flammable material normally not present, legend of boundaries:, area classified due to source outside enclosed area, non-vaportight barriers, non-vapor tight barriers, enclosed area, ball or pig launching or receiving installation in a nonenclosed adequately ventilated area per aga, vapor tight barriers, process valve in an inadequately ventilated enclosed vault area per aga, covered vault. if cover is vapor tight, classification stops at cover., compressor or pump in an adequately ventilated enclosed area per aga, compressor or pump in an inadequately ventilated enclosed area per aga, pierced or open wall, process valves or process equipment in an adequately ventilated enclosed area per aga, process valve or process equipment, process valves or process equipment in an inadequately ventilated enclosed area per aga, vapor tight or non-vapor tight walls, process instrumentation equipment in an adequately ventilated enclosed area per aga, gas operated instrument, non-gas operated instrument, sample valve, instrument valve, or associated device, process instrumentation equipment in an inadequately ventilated enclosed area per aga, notes:, open vault, enclosure, boiler or generator, fuel gas, fuel gas valve

Raw text data extracted from CAD file:

TEL:(859) 873-0076 FAX:(859) 873-5872 109 FIELDVIEW DRIVE ENERGY MANAGEMENT & SERVICES CO. VERSAILLES, KENTUCKY 40383 TEL:(832) 358-8460 FAX:(832) 358-8464 HOUSTON, TEXAS 77079 11211 KATY FREEWAY SUITE 130 www.emseng.com GENERAL NOTES GENERAL NOTES DWG. NO. REFERENCE DRAWINGS DWG. NO. REFERENCE DRAWINGS DESCRIPTION AS-BUILT CONST. BID DESCRIPTION REVISIONS DESCRIPTION NO. DATE DRAWING STATUS ISSUED FOR SCALE DRAWN CHK'D APPROVED EMS JOB NO. AFE/P.O.NO. CLIENT FILE NO. EMS FILE NO. DATE DATE TITLE NO. REV. DATE DATE BY Project Number FILE PATH: ******** TIME: ******** ******** DATE: ******** PLOTTED BY: 1. ALL EQUIPMENT INSTALLED IN AREAS CLASSIFIED HAZARDOUS BY N.E.C., A.G.A. OR OTHER APPLICABLE CODES SHALL MEET REQUIREMENTS OF THE LATEST EDITION OF THE NATIONAL ELECTRICAL CODE (N.E.C.). 2. CLASSIFICATION OF AREAS AROUND NATURAL GAS OR OTHER SUBSTANCES IS BASED UPON THE AMERICAN GAS ASSOCIATION (A.G.A.) STANDARD XF0277 AND AMERICAN PETROLEUM INSTITUTE (A.P.I.) STANDARD RP500. 4.5m(15') RADIUS THE INTERIOR OF THE PROCESS PIPING & VALVE IS CLASS I, DIVISION 1. CROSS HATCHING HAS BEEN OMITTED FOR DRAWING CLARITY. THE INTERIOR OF THE VENT PIPING IS CLASS I, DIVISION 1. CROSS HATCHING HAS BEEN OMITTED FOR DRAWING CLARITY. THE INTERIOR OF THE VENT PIPING IS CLASS I, DIVISION 1. CROSS HATCHING HAS BEEN OMITTED FOR DRAWING CLARITY. VENT LINE NOTE: 3m(10') \A1;1.5m(5') R 4.5m(15') R 4.5m(15') R 4.5m(15') R NATURAL GAS PRESSURE VESSEL IN A NONENCLOSED ADEQUATELY VENTILATED AREA PER AGA (e.g. GAS SEPARATORS, MIST EXTRACTORS, & GLYCOL CONTACTORS) FIXED ROOF FLAMMABLE LIQUID STORAGE TANK IN A NONENCLOSED ADEQUATELY VENTILATED AREA FOR AN ADEQUATELY VENTILATED AREA PER API RP500 SEE NOTE 4 SEE NOTE #6 TANK WITHIN DIKE TANK WITH REMOTE IMPOUNDING STORAGE TANK DRAINAGE PATH TO REMOTE IMPOUND TOP OF DIKE TOP OF REMOTE IMPOUNDING OR DIKE CENTERLINE OF DRAINAGE PATH PUMP HANDLING NON FLAMMABLE PRODUCED OR PROCESSED WATER STORAGE TANK 3m(10') RADIUS 1.5m(5') RADIUS VENT FLAMMABLE GAS-BLANKETED AND PRODUCED WATER-HANDLING EQUIPMENT IN A NONENCLOSED ADEQUATELY VENTILATED AREA PER API RP500 COMBUSTIBLE LIQUID STORAGE TANK IN A NONENCLOSED ADEQUATELY VENTILATED AREA PER API RP500 SEE NOTE #6 ADEQUATELY VENTILATED PROCESS LOCATION WITH LIGHTER-THAN-AIR GAS OR VAPOR SOURCE PER API RP500 WITH DIKE \T0.9;W/OUT DIKE INSTRUMENT OR GAS OPERATED DEVICE THAT DOES NOT VENT PROCESS VAPOR DURING NORMAL OPERATION IN AN INADEQUATELY VENTILATED ENCLOSURE PER API RP500 SEE NOTE 7 1.5' R VENT INSTRUMENT OR GAS OPERATED DEVICE SURFACE OF LIQUID COMPRESSOR OR PUMP WHERE ENCLOSED WALL AREA IS NOT MORE THAN 50% OF TOTAL AVAILABLE WALL AREA ROOF VENT 7.5m(25') COMPRESSOR OR PUMP IN AN ADEQUATELY VENTILATED SEMI-ENCLOSED AREA PER API COMPRESSOR OR PUMP WHERE ENCLOSED WALL AREA IS NOTMORE THAN 50% OF TOTAL AVAILALE WALL AREA COMPRESSOR OR PUMP IN AN INADEQUATELY VENTILATED SEMI-ENCLOSED AREA PER AGA STRUCTURAL COLUMN VAPOR TIGHT OR NON-VAPOR TIGHT WALLS NON-VAPOR TIGHT WALL VAPOR TIGHT WALL THE ENCLOSED AREA MAY BE REDUCED FROM CLASS I, DIVISION 1 TO CLASS I, DIVISION 2 THROUGH THE PROPER USE OF COMBUSTIBLE GAS DETECTION. FINISHED GRADE SOURCE A THIS DWG. A SECTION PROCESS EQUIPMENT VENT IN A NONENCLOSED ADEQUATELY VENTILATED AREA PER AGA INSTRUMENT OR CONTROL SERVICE VENT IN NONENCLOSED ADEQUATELY VENTILATED AREA PER AGA & API RP500 PROCESS VALVE IN AN ADEQUATELY VENTILATED NONENCLOSED AREA PER AGA NOTE: NOTE: NOTE: \W8.78571; \A1;4.5m(15') FROM EDGE \W8.78571; \A1;OF COMPRESSOR PAD \W8.78571; \A1;OR SKID ON ALL SIDES SURFACE OF LIQUID \A1;1.5m(5')RADIUS AROUND VENT VENT LINE VENT PNEUMATIC INSTRUMENT FUEL GAS PIPING INLET/OUTLET PIPING \W8.90476; FUEL GAS \W8.95238; CTRL. VALVE ADEQUATELY VENTILATED NON-ENCLOSED AREA FOR FIRED EQUIPMENT PER AGA Dxxxxxxxx 1 DETAIL D******** 2 DETAIL D******** 3 DETAIL D******** 4 DETAIL D******** 5 DETAIL D******** 6 DETAIL D******** 7 DETAIL D******** A-A SECTION D******** 8 DETAIL SCALE: NOT TO SCALE D******** 9 DETAIL D******** 10 DETAIL D******** 11 DETAIL D******** 12 DETAIL SCALE: NOT TO SCALE SCALE: NOT TO SCALE SCALE: NOT TO SCALE SCALE: NOT TO SCALE SCALE: NOT TO SCALE SCALE: NOT TO SCALE SCALE: NOT TO SCALE SCALE: NOT TO SCALE SCALE: NOT TO SCALE SCALE: NOT TO SCALE SCALE: NOT TO SCALE SCALE: NOT TO SCALE BOILER OR GENERATOR 4.5M (15') R CLASS I, DIV I, ZONE 0 1.5m(5') AROUND VENT CLASS I, DIV I NON-CLASSIFIED EXHAUST STACK C L FLOW STORAGE TANK TOP OF DIKE SURFACE OF LIQUID FINISHED GRADE FINISHED GRADE FINISHED GRADE FINISHED GRADE FINISHED GRADE FINISHED GRADE FINISHED GRADE FINISHED GRADE STRUCTURAL COLUMN \W9.64286; \A1;4.5m(15') FROM EDGE \W9.64286; \A1;OF COMPRESSOR PAD OR \W9.64286; \A1;SKID ON ALL SIDES GROUND PLANE 1. CLASS I, DIVISION 1 AREAS EXTEND FIVE FEET FROM CENTER OF VENT OR BLOWDOWN PIPE OPENINGS ON PROCESS EQUIPMENT (SEE DETAIL 1) 2. CLASS I, DIVISION 2 AREA EXTENDS AS FOLLOWS:-10 FEET RADIUS BEYOND CLASS I, DIVISION 1 AREA AT VENT AND BLOWDOWN PIPES ON PROCESS EQUIPMENT (SEE DETAIL 1)-15 FEET BEYOND COMPRESSOR CONCRETE PAD (SEE DETAILS 10 & 11) 3. ALL EQUIPMENT INSTALLED IN HAZARDOUS CLASSIFIED AREAS SHALL MEET REQUIREMENTS OF THE LATEST EDITION OF THE NATIONAL ELECTRICAL CODE AND ALL OTHER APPLICABLE CODES-VERIFY ALL UTILITY AND CODE REQUIREMENTS PRIOR TO BEGINNING WORK OF ANY KIND. 4. AREAS IN AND AROUND FIXED ROOF FLAMMABLE LIQUID STORAGE TANKS IN ADEQUATELY VENTILATED ENCLOSED AREAS ARE CLASSIFIED AS SHOWN IN DETAIL 7 WITH THE REMAINDER OF THE ENCLOSED AREA DESIGNATED AS DIVISION 2. THIS SHALL BE SO, PROVIDED ALL VENTS ARE EXTENDED TO THE OUTSIDE OF THE ENCLOSED AREA AND THERE ARE NO HATCHES OR EQUIVALENT DEVICES INSIDE THE ENCLOSED AREA. 5. AMERICAN PETROLEUM INSTITUTE (API) RECOMMENDED PRACTICE RP500 AND AMERICAN GAS ASSOCIATION (AGA) STANDARD XF0277 HAS BEEN USED FOR DESIGN BASIS FOR GAS UTILITY AREAS (RELATIVE TO ELECTRICAL INSTALLATIONS) AND IS BEING USED AS REFERENCE FOR AREA CLASSIFICATIONS. 6. INTERIOR OF ALL PROCESS AND VENT PIPING IS CLASSIFIED CLASS I, DIV. 1. THE CROSS HATCHING IS NOT SHOWN FOR THE PURPOSES OF CLARITY. 7. WHERE PROCESS INSTRUMENTATION WITHIN ENCLOSURES DO NOT VENT UNDER NORMAL OPERATION, AND WHERE ELECTRICAL EQUIPMENT WITHIN ENCLOSURES ARE RATED FOR CLASS I DIV 2 LOCATIONS AND THE SURROUNDING AREAS HAVE CLASS I DIV 2 OR LESS STRINGENT REQUIREMENTS, THEN THE INSTALLATION SHALL BE MADE SUITABLE FOR THE CLASSIFIED AREAS PER THE PREVAILING CODE. GENERAL NOTES: (APPLIES TO ALL DETAILS) GROUP HAZARDOUS MATERIAL INFORMATION MOTOR OIL NATURAL GAS D D CHEMICAL AUTOIGNITION TEMPERATURE 1166°F >750°F METHANOL D 725°F AGENT AREA CLASSIFICATION PER NEC ARTICLES 500-504 CLASS III CLASS I CLASSIFICATION CLASS II FLAMMABLE GASES AND VAPORS COMBUSTIBLE DUST IGNITABLE FIBERS AND FLYINGS DIVISION II DIVISION I FLAMMABLE GAS ALWAYS PRESENT DURING NORMAL OPERATING CONDITIONS OR EQUIPMENT BREAKDOWN CLASS I, GROUP C CLASS I, GROUP A CLASS I, GROUP B ACETYLENE OR AN EQUIVALENT GAS HYDROGEN OR AN EQUIVALENT GAS ETHYLENE OR AN EQUIVALENT GAS CLASS I, GROUP C PROPANE OR AN EQUIVALENT GAS CLASS II, GROUP G CLASS II, GROUP E CLASS II, GROUP F METAL DUST CARBON BLACK, COAL DUST FLOUR, STARCH, GRAIN CLASS I, DIV. II CLASS I, DIV. I DEFINITION OF BOUNDARIES: FLAMMABLE GAS MAY BE PRESENT IN ABNORMAL OPERATING CONDITIONS OR EQUIPMENT BREAKDOWN 3M(10')RADIUS \A1;3m(10')RADIUS 3m(10') .6m(2') 3m(10') 1m(3') RADIUS .5m(18") RADIUS 1.5m(5') RADIUS CLASS I, DIV I 4.5m(15') RADIUS CLASS I, DIV II \A1;3m(10') \A1;3m(10') 3m(10') \A1;.6m(2') \A1;1.5m(5')R. AROUND VENT 1.5m(5')R. AROUND VENT 1.5m(5')AROUND HATCH 4.5m(15') R \A1;30'-0" \A1;15' MAX \A1;15'-0" 1M(3') RADIUS 4.5M(15') R \A1;4.5m(15') \A1;3m(10') .5M(1.5') RADIUS 1M(3') RADIUS TEL:(859) 873-0076 FAX:(859) 873-5872 109 FIELDVIEW DRIVE ENERGY MANAGEMENT & SERVICES CO. VERSAILLES, KENTUCKY 40383 TEL:(832) 358-8460 FAX:(832) 358-8464 HOUSTON, TEXAS 77079 11211 KATY FREEWAY SUITE 130 www.emseng.com GENERAL NOTES GENERAL NOTES DWG. NO. REFERENCE DRAWINGS DWG. NO. REFERENCE DRAWINGS DESCRIPTION AS-BUILT CONST. BID DESCRIPTION REVISIONS DESCRIPTION NO. DATE DRAWING STATUS ISSUED FOR SCALE DRAWN CHK'D APPROVED EMS JOB NO. AFE/P.O.NO. CLIENT FILE NO. EMS FILE NO. DATE DATE TITLE NO. REV. DATE DATE BY Project Number FILE PATH: ******** TIME: ******** ******** DATE: ******** PLOTTED BY: CLASS I, DIVISION 1 AREAS EXTEND FIVE FEET FROM CENTER OF VENT OR BLOWDOWN PIPE OPENINGS ON PROCESS EQUIPMENT (SEE DETAIL 1) CLASS I, DIVISION 2 AREA EXTENDS AS FOLLOWS:-10 FEET RADIUS BEYOND CLASS I, DIVISION 1 AREA AT VENT AND BLOWDOWN PIPES ON PROCESS EQUIPMENT (SEE DETAIL 1)-15 FEET BEYOND COMPRESSOR CONCRETE PAD (SEE DETAILS 10 & 11) ALL EQUIPMENT INSTALLED IN HAZARDOUS CLASSIFIED AREAS SHALL MEET REQUIREMENTS OF THE LATEST EDITION OF THE NATIONAL ELECTRICAL CODE. AREAS IN AND AROUND FIXED ROOF FLAMMABLE LIQUID STORAGE TANKS IN ADEQUATELY VENTILATED ENCLOSED AREAS ARE CLASSIFIED AS SHOWN IN DETAIL 7 WITH THE REMAINDER OF THE ENCLOSED AREA DESIGNATED AS DIVISION 2. THIS IS PROVIDED ALL VENTS ARE EXTENDED TO THE OUTSIDE OF THE ENCLOSED AREA AND THERE ARE NO HATCHES OR SIMILAR DEVICES INSIDE THE ENCLOSED AREA. AMERICAN PETROLEUM INSTITUTE RECOMMENDED PRACTICE RP500 AND AMERICAN GAS ASSOCIATION STANDARD XF0277 FOR GAS UTILITY AREAS REGARDING ELECTRICAL INSTALLATIONS IS USED AS REFERENCE FOR AREA CLASSIFICATIONS. INTERIOR OF ALL PROCESS AND VENT PIPING IS CLASSIFIED CLASS I, DIV. 1. THE CROSS HATCHING IS NOT SHOWN FOR THE PURPOSE OF CLARITY. WHERE PROCESS INSTRUMENTATION WITHIN ENCLOSURES DO NOT VENT UNDER NORMAL OPERATION, AND WHERE ELECTRICAL EQUIPMENT WITHIN ENCLOSURES ARE RATED FOR CLASS I DIV 2 LOCATIONS AND THE SURROUNDING AREAS ARE CLASS I DIV 2 OR LESS, THEN THE INSTALLATION WILL BE SUITABLE FOR THE CLASSIFIED AREAS. 1. 2. 3. 4. 5. 6. 7. GENERAL NOTES: (APPLY TO ALL DETAILS) GROUP HAZARDOUS MATERIAL INFORMATION MOTOR OIL NATURAL GAS D D CHEMICAL AUTOIGNITION TEMPERATURE 1166°F >750°F METHANOL D 725°F AGENT AREA CLASSIFICATION IN ACCORD WITH NEC ARTICLE 500 CLASS III CLASS I CLASSIFICATION CLASS II FLAMMABLE GASES AND VAPORS COMBUSTIBLE DUST IGNITABLE FIBERS AND FLYINGS DIVISION II DIVISION I HIGH PROBABILITY LOW PROBABILITY CLASS I, GROUP C CLASS I, GROUP A CLASS I, GROUP B ACETYLENE OR EQUIVALENT HYDROGEN OR EQUIVALENT ETHYLENE OR EQUIVALENT CLASS I, GROUP C PROPANE OR EQUIVALENT CLASS II, GROUP G CLASS II, GROUP E CLASS II, GROUP F METAL DUST CARBON BLACK, COAL DUST FLOUR, STARCH, GRAIN FLAMMABLE MATERIAL CONTINUOUSLY PRESENT AREA CLASSIFICATION ACCORDING TO NEC ARTICLE 500 US NEC 505 IEC/CENELEC US NEC 500 FLAMMABLE MATERIAL INTERMITTENTLY PRESENT FLAMMABLE MATERIAL NORMALLY NOT PRESENT ZONE 0 (ZONE 20-DUST) ZONE 1 (ZONE 21-DUST) ZONE 2 (ZONE 22-DUST) ZONE 0 ZONE 1 ZONE 2 DIVISION 1 DIVISION 2 CLASS I, DIV. II CLASS I, DIV. I LEGEND OF BOUNDARIES: ENCLOSED AREA ADJACENT TO A CLASSIFIED AREA PER AGA & API RP500 AREA CLASSIFIED DUE TO SOURCE OUTSIDE ENCLOSED AREA AREA CLASSIFIED DUE TO SOURCE OUTSIDE ENCLOSED AREA NON-VAPORTIGHT BARRIERS NON-VAPOR TIGHT BARRIERS ENCLOSED AREA ENCLOSED AREA SOURCE SOURCE ENCLOSED AREA ADJACENT TO A CLASSIFIED AREA PER AGA & API RP500 4.5M(15') R 1.5M(5') R BALL OR PIG LAUNCHING OR RECEIVING INSTALLATION IN A NONENCLOSED ADEQUATELY VENTILATED AREA PER AGA ENCLOSED AREA ADJACENT TO A CLASSIFIED AREA PER AGA & API RP500 VAPOR TIGHT BARRIERS ENCLOSED AREA SOURCE 3m(10') R PROCESS VALVE IN AN INADEQUATELY VENTILATED ENCLOSED VAULT AREA PER AGA COVERED VAULT. IF COVER IS VAPOR TIGHT, CLASSIFICATION STOPS AT COVER. AREA CLASSIFIED DUE TO SOURCE OUTSIDE ENCLOSED AREA VAPOR TIGHT BARRIERS ENCLOSED AREA SOURCE ENCLOSED AREA ADJACENT TO A CLASSIFIED AREA PER AGA & API RP500 THE ADJACENT AREA MAY BE REDUCED FROM CLASS I, DIVISION 1 TO CLASS I, DIVISION 2 THROUGH THE PROPER USE OF COMBUSTIBLE GAS DETECTION. THE INTERIOR OF THE PROCESS PIPING IS CLASS I, DIVISION 1. CROSS HATCHING HAS BEEN OMITTED FOR DRAWING CLARITY. NOTE: NOTE: AREA CLASSIFIED DUE TO SOURCE OUTSIDE ENCLOSED AREA D******** 13 DETAIL SCALE: NOT TO SCALE D******** 15 DETAIL SCALE: NOT TO SCALE D******** 14 DETAIL SCALE: NOT TO SCALE D******** 16 DETAIL SCALE: NOT TO SCALE D******** 17 DETAIL SCALE: NOT TO SCALE D******** 18 DETAIL SCALE: NOT TO SCALE COMPRESSOR OR PUMP ROOF VENT 7.5M(25') COMPRESSOR OR PUMP IN AN ADEQUATELY VENTILATED ENCLOSED AREA PER AGA 4.5M(15') COMPRESSOR OR PUMP COMPRESSOR OR PUMP IN AN INADEQUATELY VENTILATED ENCLOSED AREA PER AGA NON-VAPOR TIGHT WALL VAPOR TIGHT WALL 3METERS (10') THE ENCLOSED AREA MAY BE REDUCED FROM CLASS I, DIVISION 1 TO CLASS I, DIVISION 2 THROUGH THE PROPER USE OF COMBUSTIBLE GAS DETECTION. NOTE: 3M(10') PIERCED OR OPEN WALL 1.5M(5') R 4.5M(15') R VENT D******** 19 DETAIL SCALE: NOT TO SCALE D******** 20 DETAIL SCALE: NOT TO SCALE CLASS I, DIVISION 1 AREAS EXTEND FIVE FEET FROM CENTER OF VENT OR BLOWDOWN PIPE OPENINGS ON PROCESS EQUIPMENT (SEE DETAIL 1) CLASS I, DIVISION 2 AREA EXTENDS AS FOLLOWS:-10 FEET RADIUS BEYOND CLASS I, DIVISION 1 AREA AT VENT AND BLOWDOWN PIPES ON PROCESS EQUIPMENT (SEE DETAIL 1)-15 FEET BEYOND COMPRESSOR CONCRETE PAD (SEE DETAILS 10 & 11) ALL EQUIPMENT INSTALLED IN HAZARDOUS CLASSIFIED AREAS SHALL MEET REQUIREMENTS OF THE LATEST EDITION OF THE NATIONAL ELECTRICAL CODE AND ALL OTHER APPLICABLE CODES-VERIFY ALL UTILITY AND CODE REQUIREMENTS PRIOR TO BEGINNING WORK OF ANY KIND. AREAS IN AND AROUND FIXED ROOF FLAMMABLE LIQUID STORAGE TANKS IN ADEQUATELY VENTILATED ENCLOSED AREAS ARE CLASSIFIED AS SHOWN IN DETAIL 7 WITH THE REMAINDER OF THE ENCLOSED AREA DESIGNATED AS DIVISION 2. THIS SHALL BE SO, PROVIDED ALL VENTS ARE EXTENDED TO THE OUTSIDE OF THE ENCLOSED AREA AND THERE ARE NO HATCHES OR EQUIVALENT DEVICES INSIDE THE ENCLOSED AREA. AMERICAN PETROLEUM INSTITUTE (API) RECOMMENDED PRACTICE RP500 AND AMERICAN GAS ASSOCIATION (AGA) STANDARD XF0277 HAS BEEN USED FOR DESIGN BASIS FOR GAS UTILITY AREAS (RELATIVE TO ELECTRICAL INSTALLATIONS) AND IS BEING USED AS REFERENCE FOR AREA CLASSIFICATIONS. INTERIOR OF ALL PROCESS AND VENT PIPING IS CLASSIFIED CLASS I, DIV. 1. THE CROSS HATCHING IS NOT SHOWN FOR THE PURPOSES OF CLARITY. WHERE PROCESS INSTRUMENTATION WITHIN ENCLOSURES DO NOT VENT UNDER NORMAL OPERATION, AND WHERE ELECTRICAL EQUIPMENT WITHIN ENCLOSURES ARE RATED FOR CLASS I DIV 2 LOCATIONS AND THE SURROUNDING AREAS HAVE CLASS I DIV 2 OR LESS STRINGENT REQUIREMENTS, THEN THE INSTALLATION SHALL BE MADE SUITABLE FOR THE CLASSIFIED AREAS PER THE PREVAILING CODE. 1. 2. 3. 4. 5. 6. 7. GENERAL NOTES: (APPLIES TO ALL DETAILS) GROUP HAZARDOUS MATERIAL INFORMATION MOTOR OIL NATURAL GAS D D CHEMICAL AUTOIGNITION TEMPERATURE 1166°F >750°F METHANOL D 725°F FLAMMABLE MATERIAL CONTINUOUSLY PRESENT AREA CLASSIFICATION ACCORDING TO NEC ARTICLE 500 US NEC 505 IEC / CENELEC US NEC 500 FLAMMABLE MATERIAL INTERMITTENTLY PRESENT FLAMMABLE MATERIAL NORMALLY NOT PRESENT ZONE 0 (ZONE 20-DUST) ZONE 1 (ZONE 21-DUST) ZONE 2 (ZONE 22-DUST) ZONE 0 ZONE 1 ZONE 2 DIVISION 1 DIVISION 2 AGENT AREA CLASSIFICATION PER NEC ARTICLES 500-504 CLASS III CLASS I CLASSIFICATION CLASS II FLAMMABLE GASES AND VAPORS COMBUSTIBLE DUST IGNITABLE FIBERS AND FLYINGS DIVISION II DIVISION I FLAMMABLE GAS ALWAYS PRESENT DURING NORMAL OPERATING CONDITIONS OR EQUIPMENT BREAKDOWN CLASS I, GROUP C CLASS I, GROUP A CLASS I, GROUP B ACETYLENE OR AN EQUIVALENT GAS HYDROGEN OR AN EQUIVALENT GAS ETHYLENE OR AN EQUIVALENT GAS CLASS I, GROUP C PROPANE OR AN EQUIVALENT GAS CLASS II, GROUP G CLASS II, GROUP E CLASS II, GROUP F METAL DUST CARBON BLACK, COAL DUST FLOUR, STARCH, GRAIN CLASS I, DIV. II CLASS I, DIV. I DEFINITION OF BOUNDARIES: FLAMMABLE GAS MAY BE PRESENT IN ABNORMAL OPERATING CONDITIONS OR EQUIPMENT BREAKDOWN FINISHED GRADE FINISHED GRADE FINISHED GRADE FINISHED GRADE 1. ALL EQUIPMENT INSTALLED IN AREAS CLASSIFIED HAZARDOUS BY N.E.C., A.G.A. OR OTHER APPLICABLE CODES SHALL MEET REQUIREMENTS OF THE LATEST EDITION OF THE NATIONAL ELECTRICAL CODE (N.E.C.). 2. CLASSIFICATION OF AREAS AROUND NATURAL GAS OR OTHER SUBSTANCES IS BASED UPON THE AMERICAN GAS ASSOCIATION (A.G.A.) STANDARD XF0277 AND AMERICAN PETROLEUM INSTITUTE (A.P.I.) STANDARD RP500. PROCESS VALVES OR PROCESS EQUIPMENT IN AN ADEQUATELY VENTILATED ENCLOSED AREA PER AGA PROCESS VALVE OR PROCESS EQUIPMENT PROCESS VALVE OR PROCESS EQUIPMENT PROCESS VALVES OR PROCESS EQUIPMENT IN AN INADEQUATELY VENTILATED ENCLOSED AREA PER AGA VAPOR TIGHT OR NON-VAPOR TIGHT WALLS 1.5M(5') R ROOF VENT PROCESS INSTRUMENTATION EQUIPMENT IN AN ADEQUATELY VENTILATED ENCLOSED AREA PER AGA GAS OPERATED INSTRUMENT, NON-GAS OPERATED INSTRUMENT, SAMPLE VALVE, INSTRUMENT VALVE, OR ASSOCIATED DEVICE VAPOR TIGHT OR NON-VAPOR TIGHT WALLS 1.5M(5') R 4.5M(15') R 1.5M(5') R ROOF VENT 1.5M(5') R 4.5M(15') R 3M(10') NON-VAPOR TIGHT WALL VAPOR TIGHT WALL VENT VENT GAS OPERATED INSTRUMENT, NON-GAS OPERATED INSTRUMENT, SAMPLE VALVE, INSTRUMENT VALVE, OR ASSOCIATED DEVICE PROCESS INSTRUMENTATION EQUIPMENT IN AN INADEQUATELY VENTILATED ENCLOSED AREA PER AGA 1.5M(5') RADIUS ROOF VENT 3M(10') NON-VAPOR TIGHT WALL 1M(3') RADIUS 0.5M(18") RADIUS VENT VAPOR TIGHT WALL 1M(3') R 0.5M(18") R VENT THE INTERIOR OF THE VENT PIPING IS CLASS I, DIVISION 1. CROSS HATCHING HAS BEEN OMITTED FOR DRAWING CLARITY. THE INTERIOR OF THE VENT PIPING IS CLASS I, DIVISION 1. CROSS HATCHING HAS BEEN OMITTED FOR DRAWING CLARITY. THE INTERIOR OF THE VENT PIPING IS CLASS I, DIVISION 1. CROSS HATCHING HAS BEEN OMITTED FOR DRAWING CLARITY. THE INTERIOR OF THE VENT PIPING IS CLASS I, DIVISION 1. CROSS HATCHING HAS BEEN OMITTED FOR DRAWING CLARITY. THE ENCLOSED AREA MAY BE REDUCED FROM CLASS I, DIVISION 1 TO CLASS I, DIVISION 2 THROUGH THE PROPER USE OF COMBUSTIBLE GAS DETECTION. THE ENCLOSED AREA MAY BE REDUCED FROM CLASS I, DIVISION 1 TO CLASS I, DIVISION 2 WHERE A COMBUSTIBLE GAS DETECTION SYSTEM PER CODE IS PROVIDED. SEE DRAWINGS FOR FURTHER INFORMATION. NOTES: NOTE: NOTE: NOTE: NOTE: 4.5M(15') R 4.5m(15') R ADEQUATELY VENTILATED AREA FOR VAULTS THAT HOUSE REGULATORS AND/OR VALVES PER AGA OPEN VAULT INADEQUATELY VENTILATED ENCLOSED AREA FOR OUTDOOR REGULATOR ENCLOSURE THAT HOUSES REGULATORS AND/OR VALVES PER AGA ENCLOSURE 4.5M(15') RADIUS 4.5M(15') RADIUS 1M(3') R. 1M(3') R. .5M(1.5') RADIUS VENT BOILER OR GENERATOR PNEUMATIC INSTRUMENT FUEL GAS INLET/OUTLET PIPING FUEL GAS VALVE ADEQUATELY VENTILATED NON-ENCLOSED AREA FOR FIRED EQUIPMENT PER AGA \A1;3m(10') D******** 21 DETAIL SCALE: NOT TO SCALE D******** 22 DETAIL SCALE: NOT TO SCALE D******** 23 DETAIL SCALE: NOT TO SCALE D******** 24 DETAIL SCALE: NOT TO SCALE D******** 25 DETAIL SCALE: NOT TO SCALE D******** 26 DETAIL SCALE: NOT TO SCALE D******** 27 DETAIL SCALE: NOT TO SCALE FINISHED GRADE CLASS I, DIVISION 1 AREAS EXTEND FIVE FEET FROM CENTER OF VENT OR BLOWDOWN PIPE OPENINGS ON PROCESS EQUIPMENT (SEE DETAIL 1) CLASS I, DIVISION 2 AREA EXTENDS AS FOLLOWS:-10 FEET RADIUS BEYOND CLASS I, DIVISION 1 AREA AT VENT AND BLOWDOWN PIPES ON PROCESS EQUIPMENT (SEE DETAIL 1)-15 FEET BEYOND COMPRESSOR CONCRETE PAD (SEE DETAILS 10 & 11) ALL EQUIPMENT INSTALLED IN HAZARDOUS CLASSIFIED AREAS SHALL MEET REQUIREMENTS OF THE LATEST EDITION OF THE NATIONAL ELECTRICAL CODE AND ALL OTHER APPLICABLE CODES-VERIFY ALL UTILITY AND CODE REQUIREMENTS PRIOR TO BEGINNING WORK OF ANY KIND. AREAS IN AND AROUND FIXED ROOF FLAMMABLE LIQUID STORAGE TANKS IN ADEQUATELY VENTILATED ENCLOSED AREAS ARE CLASSIFIED AS SHOWN IN DETAIL 7 WITH THE REMAINDER OF THE ENCLOSED AREA DESIGNATED AS DIVISION 2. THIS SHALL BE SO, PROVIDED ALL VENTS ARE EXTENDED TO THE OUTSIDE OF THE ENCLOSED AREA AND THERE ARE NO HATCHES OR EQUIVALENT DEVICES INSIDE THE ENCLOSED AREA. AMERICAN PETROLEUM INSTITUTE (API) RECOMMENDED PRACTICE RP500 AND AMERICAN GAS ASSOCIATION (AGA) STANDARD XF0277 HAS BEEN USED FOR DESIGN BASIS FOR GAS UTILITY AREAS (RELATIVE TO ELECTRICAL INSTALLATIONS) AND IS BEING USED AS REFERENCE FOR AREA CLASSIFICATIONS. INTERIOR OF ALL PROCESS AND VENT PIPING IS CLASSIFIED CLASS I, DIV. 1. THE CROSS HATCHING IS NOT SHOWN FOR THE PURPOSES OF CLARITY. WHERE PROCESS INSTRUMENTATION WITHIN ENCLOSURES DO NOT VENT UNDER NORMAL OPERATION, AND WHERE ELECTRICAL EQUIPMENT WITHIN ENCLOSURES ARE RATED FOR CLASS I DIV 2 LOCATIONS AND THE SURROUNDING AREAS HAVE CLASS I DIV 2 OR LESS STRINGENT REQUIREMENTS, THEN THE INSTALLATION SHALL BE MADE SUITABLE FOR THE CLASSIFIED AREAS PER THE PREVAILING CODE. 1. 2. 3. 4. 5. 6. 7. GENERAL NOTES: (APPLIES TO ALL DETAILS) GROUP HAZARDOUS MATERIAL INFORMATION MOTOR OIL NATURAL GAS D D CHEMICAL AUTOIGNITION TEMPERATURE 1166°F >750°F METHANOL D 725°F FLAMMABLE MATERIAL CONTINUOUSLY PRESENT AREA CLASSIFICATION ACCORDING TO NEC ARTICLE 500 US NEC 505 IEC / CENELEC US NEC 500 FLAMMABLE MATERIAL INTERMITTENTLY PRESENT FLAMMABLE MATERIAL NORMALLY NOT PRESENT ZONE 0 (ZONE 20-DUST) ZONE 1 (ZONE 21-DUST) ZONE 2 (ZONE 22-DUST) ZONE 0 ZONE 1 ZONE 2 DIVISION 1 DIVISION 2 AGENT AREA CLASSIFICATION PER NEC ARTICLES 500-504 CLASS III CLASS I CLASSIFICATION CLASS II FLAMMABLE GASES AND VAPORS COMBUSTIBLE DUST IGNITABLE FIBERS AND FLYINGS DIVISION II DIVISION I FLAMMABLE GAS ALWAYS PRESENT DURING NORMAL OPERATING CONDITIONS OR EQUIPMENT BREAKDOWN CLASS I, GROUP C CLASS I, GROUP A CLASS I, GROUP B ACETYLENE OR AN EQUIVALENT GAS HYDROGEN OR AN EQUIVALENT GAS ETHYLENE OR AN EQUIVALENT GAS CLASS I, GROUP C PROPANE OR AN EQUIVALENT GAS CLASS II, GROUP G CLASS II, GROUP E CLASS II, GROUP F METAL DUST CARBON BLACK, COAL DUST FLOUR, STARCH, GRAIN CLASS I, DIV. II CLASS I, DIV. I DEFINITION OF BOUNDARIES: FLAMMABLE GAS MAY BE PRESENT IN ABNORMAL OPERATING CONDITIONS OR EQUIPMENT BREAKDOWN FINISHED GRADE FINISHED GRADE FINISHED GRADE FINISHED GRADE FINISHED GRADE 1. ALL EQUIPMENT INSTALLED IN AREAS CLASSIFIED HAZARDOUS BY N.E.C., A.G.A. OR OTHER APPLICABLE CODES SHALL MEET REQUIREMENTS OF THE LATEST EDITION OF THE NATIONAL ELECTRICAL CODE (N.E.C.). 2. CLASSIFICATION OF AREAS AROUND NATURAL GAS OR OTHER SUBSTANCES IS BASED UPON THE AMERICAN GAS ASSOCIATION (A.G.A.) STANDARD XF0277 AND AMERICAN PETROLEUM INSTITUTE (A.P.I.) STANDARD RP500.

Language	English
Drawing Type	Detail
Category	Handbooks & Manuals
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File Type	dwg
Materials	Concrete, Other
Measurement Units	Imperial
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Building Features
Tags	areas, autocad, classified, conditions, coverage, DETAIL, details, DWG, explosion, include