refer OISD-STD-163. Now our products are Class C i.e. OISD-STD –117 on Fire protection facilities for Petroleum depots and terminals 7. The cabin should be for minimum occupancy of the shift operators of the respective facilities only.0 of this standard. q) Process Unit A unit having integrated sequence of operation. For classification and extent of hazardous area. fire station and fire training ground . The edge of the road shall not be less than 15 meters away from the edge of the unit. w) Storage / filling shed Facility for storage and filling of packed (non-bulk) petroleum product. Plant layout arrangement should follow the general route of raw material to process unit(s) with tankages interposed as required followed by storage & despatch facilities. T4.0 4. one for employees and other for product / material movement. It is not intended that requirement of this standard should be applied rigidly to existing premises where. 0 6. e) d) 3. group of tanks located in a dyke. Excluded petroleum shall be stored in a separate dyked enclosure and shall not be stored along with Class-A. LAYOUT OF LPG FACILITIES General Considerations: LPG Storage. LPG. Bombay. Madras. Oil and Natural Gas Corporation Ltd. (M)... Bombay. for Class-A and Class-B petroleum products is more than 5000 cum or the diameter of Class-A or Class-B product tank is more than 9 meters.3 and Table-4. — — Class-C Petroleum: Liquids which have flash point of 65 oC and above but below 93 oC.2002". The hydrocarbon industry over the years learnt lessons from fires and explosions throughout the world and has been updating plant safety norms including inter-distances between facilities and their relative locations. shall be as per Oil Mines Regulations Piping from / to any tank located in a dyked enclosure should not pass through any other dyked enclosure.1.000 cum whichever is lower.3 Fire walls.4 (a) (b) (b) (c) (d) (c) The minimum distance between a tank shell and the inside toe of the dyke wall shall not be less than half the height of the tank.0 8. (d) (e) (f) (a) Petroleum storage tanks shall be located in dyked enclosures with roads all around the enclosure.2 Equipment spacing with in process units. populated and hazardous areas.g. .Seismic data .Warehouses. The oisd domain blocklist; designed to be the best domain blocklist. or other physical feature used in petroleum refining. Type of construction shall be as per OISD-STD-163." a) Two road approaches from the highway / major road should be provided. (Ref. Cylinders shall be stacked vertically.OISD-STD-118 9 -------------------------------------------------------------------------------------------------------------------------------------- (h) Spillage collection shallow sump shall be located at a distance where the flames from sump fire will not impinge on the vessel. Pumps handling hydrocarbons above the temperature of o 230 C or C4 and Lighters should not be installed underneath the air fin coolers. condensate etc. The Petroleum 2. operation. August 1999 Third Revision. Loss Prevention in process Industries by Frank P Lees. 1.07 Whether motorable roads are available SEPARATION DISTANCES BETWEEN TANKS/OFFSITE FACILITIES . Engineers India Limited. operational and maintenance requirements d) T7 indicates Table –7.40 20 41 . Manual whitelisting should be a thing of the past. Class-C petroleum should preferably be stored in separate enclosure. 5. road and pipeline) . b) All distances are in meters c) “x “indicates suitable distance as per good engineering practices to meet construction." treating or storing crude oil and includes central tank farm. Spacing between equipment shall be adequate for undertaking maintenance jobs. Storage vessels shall not be stacked one above the other.2 Separation Distances between tanks / offsites facilities. This stipulation need not be applied to tanks storing excluded petroleum class. cable racks. “x” means any distance suitable for constructional or operational convenience.a) b) All distances are in meters. for a variety of reasons. Controlling Hazards: OISD Norms (Standards/ Guidelines/Recommended Practices) OISD-STD-105 Work Permit System OISD-RP-110 RecommendedPractices on Static Electricity OISD-STD-113 Classification of Area for electrical installations at Hydrocarbon processing and handling facilities OISD-STD-118 Layouts for Oil and Gas Installations (k) The local control panel for soot blower control and flue gas analyzer only should be located on and near the process heater. p) Petroleum Refinery Petroleum Refinery is a plant where crude oil is received and processed into intermediates and finished products. located at minimum distance of 60 meters from any hydrocarbon source. 1 2 3 4 5 6 7 8 FROM / TO LPG Storage vessels Boundary wall / group of buildings not associated with LPG plant Shed for filling and storage of LPG. utilities. LPG facilities. Tanks shall be arranged in maximum two rows so that each tank is approachable from the road surrounding the enclosure. Tank Farm Design Considerations and Layout In this article, we will learn the tank farm design considerations, storage tanks arrangement, tank farm length, and width calculation, and dyke wall height calculation. Liquefied gases including LPG do not fall under this classification but form separate category. Aviation storage & fuelling stations. 3(i)] ----- ministry of petroleum and natural gas 7. l) b) c) m) Maintenance requirements for each type of equipment shall be identified and considered. amenities Boundary wall 0.0 9 9 9 15 15 15 3 15 15 15 2 0.5 6 9 0.5 9 15 4.5D 0.5 4.5 x x x 3 3 7 15 9 9 9 9 9 x 9 9 3 9 9 9 8 15 4.5 3 x x x x General notes to Table –5: "OISD hereby expressly disclaims any liability or responsibility for loss or damage resulting from use of the OISD Standards/ Guidelines/ Recommended Practices.5D 0.5D 4.5D Min 3.5 1.5 0.5D 0.0 9 4. operational and maintenance requirements “D” indicates the diameter of the larger tank. maintenance and inspection of Terminal and Tank facilities. . At times plants are modified to operate at higher capacities or efficiencies necessitating larger storage requirements than contemplated earlier. Class 'B' petroleum: Liquids which have flash point of 23 degrees C and above but below 65 degrees C. Layout of an installation shall be done in accordance with OISD-Standard-118 on Layouts. The Static and Mobile Pressure Vessels (Unfired) Rules. Roads separating the blocks shall act as firebreaks. T5.0 3.0 Introduction Scope Definitions Plant Layout Philosophy Layout of Blocks/Facilities Layout of Process Units Layout of Storage Tanks Layout of LPG Facilities References TABLES T1. important buildings and facilities. Implementation of these provisions shall be made based upon consideration of the followings.0 PLANT LAYOUT PHILOSOPHY Following philosophy should be adopted in layout of an installation. For the installations covered under Oil Mines Regulation. 14. for installations in coastal areas. warehouse. Smoking booths should not be provided in the hydrocarbon industry. tap-off station. (b) A group of small tanks each not exceeding 9 meters in diameter and in all not exceeding 5. all safety stipulations applicable for Class-A and/ or Class-B respectively shall apply. the capacity of the dyked enclosure should be based on spill containment and not for containment on tank rupture.OISD-STD-118 7 -------------------------------------------------------------------------------------------------------------------------------------- (u) Equipment should be spaced to permit use of mobile equipment and power tools or servicing and maintaining equipment during turn around periods. New Delhi BPCL. whichever is more. Any vessel in one group shall be separated from a vessel in another group by a minimum distance of 30 meters. 5 4.5 x x x 3 3 10 3 3 x 3 1.0 4 9 9 9 x 4.5D Min 3.5 D Min 4.5 6 9 9 9 3 9 9 9 5 9 0.5D 0.5 x 9 4.5 x 9 4.5 3 9 4.5D 0.5 D Min 4.5D / 6.5 x x 3 x x 11 15 4.5 3 0.5 4.5 3 x x x x 13 15 D Min 4.5 4.0 x 9 0.B Tank vehicle Loading / unloading Class .5 0.0 0.5 x 1.5D 9 4.0 9 4.5 4.5 1.0 0.5 x 9 4.5 4. stores.5D / 6.5D Min 3.5 D Min 3.5 4.5 3 9 4.A Tank vehicle Loading / unloading Class .5 9 x 4.5 x 9 4.5 x 9 4.0 9 0.5 x x x 0.5D / 6.5 4." transportation and distribution. Horizontal clearance shall be in line with the Indian Electricity Rules. A site must provide ease of access so that personnel, equipment, materials from offsite locations can reach the site for fire fighting or controlling spill associated hazards or for the evacuation of the personnel.OISD-STD-118 covers the layout consideration for the oil and gas installations. Each group shall be provided with a curb wall. storage and blending of base oils & additives into finished Lube products. . (ii) The distances given in the brackets ( ) are from the shell of the Heater / Boiler / Furnace / Still. OISD-STANDARD-118 Third Revision FOR RESTRICTED CIRCULATION. (r) Operators cabin may be provided in the process unit. . (b) LPG rail loading/unloading gantry shall be located on a separate rail spur and shall not be grouped with other petroleum products. Though every effort has been made to assure the accuracy and reliability of the data contained in these documents. air blower. "OISD hereby expressly disclaims any liability or responsibility for loss or damage resulting from use of the OISD Standards/ Guidelines/ Recommended Practices.6.350 30 351 . However if required. it shall be minimum 30 meters irrespective of whether it is for one or more units. Adequate drainage should be provided around such vessels. (o) Cold boxes should be located on grade or on separate elevated structures. OISD-STD. structure. storage. f)For different combination of storage tanks.SEPARATION DISTANCES BETWEEN STORAGE TANKS WITHIN A DYKE Item 1 2 All tanks with Diameter upto 50 meters Tanks with Diameter exceeding 50 meters." Process equipment should not be located inside the dyke.1. However it shall not exceed 60cm at shallow sump position. The separation distance shall be 50 m. However. 2. Lube oil installations and other Petroleum storage installations such as Crude oil gathering stations. .SEPARATION DISTANCES BETWEEN BLOCKS/FACILITIES Sr no 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From / To Process Units Process Control Room (Note –2) Storage Tanks Class-A Storage Tank Class-B Storage Tank Class-C Pressurised Storage: LPG/ C4 & Lighter / H2 Flare (Note-7) Bulk Loading POL (Rail /Road) Bulk Loading LPG (Rail /Road) Fire Station / First Aid Center Boiler house / Process Unit Heaters (Note-11) Rail Spur Boundary wall around installation Service buildings Cooling tower. Rail loading/unloading of LPG should be restricted to a maximum of half rake. These interdistances are based on OISD Standard 118, Table 1. Centralized / common API separators. Note 13: Separation distance of electrical substation was added in table 1 in January 2006 based on decision in 40th steering Committee Meeting in De’05. API Recommended Practices 2001– protection in Refineries. Pipeline installations / terminals. Heat Exchangers and vessels should be grouped together forming outer rows on both sides of the rack. (d) Control room should be located in a non-hazardous area upwind of process plants / hydrocarbon storage and handling facilities. Equipment should be arranged in logistic process sequence for optimum piping runs and operational and maintenance ease. These interdistances are based on OISD Standard 118, Table 1. intermediate pumping station / compressor station. Note 2 : Type of construction shall be as per OISD-STD-163. T3.INDEX SECTION CONTENTS PAGE No.0 9. Grouping of petroleum products for storage shall be based on the product classification. e) In Table –4. OISD-STD-119 Selection, Operation and Maintenance of Pumps. Distances specified in Table-2 are the minimum recommended distances that the industry should adhere. and ease of maintenance should be considered in locating each item within the unit.OISD-STD-118 5 -------------------------------------------------------------------------------------------------------------------------------------- to provide one-way traffic pattern for entrance and exit. IOCL Pipelines Division. . Rules . Safety. The table shall be read in conjunction with the notes specified with the table. 8. it may not be practicable to comply with. Such provisions should be considered based on local environmental / security requirements. as otherwise evaporation of spilled LPG may get affected. Capacity of each group shall be limited to 15000 cum. These could be suitably modified as required to suit space constraints and relevant engineering practices except the followings.3 7 8 9 1 2 3 4 5 6 "OISD hereby expressly disclaims any liability or responsibility for loss or damage resulting from use of the OISD Standards/ Guidelines/ Recommended Practices. OISD constituted number of functional committees comprising experts nominated from the industry to draw up standards and guidelines on various subjects. the minimum separation distance shall be 16 m. Specific notes to Table-1: Note-1: Note-2: Note-3: Note-4: Note-5: Note-6: Note-7 Note-8 Note-9 Note-10 Note-11: Note-12: SEPARATION DISTANCES BETWEEN EQUIPMENT WITHIN PROCESS UNIT TABLE-2 "OISD hereby expressly disclaims any liability or responsibility for loss or damage resulting from use of the OISD Standards/ Guidelines/ Recommended Practices. Pig launcher/receiver at liquid hydrocarbon handling pipeline installations should be located at least 5 m from boundary. To prepare a layout. Excluded Download Download Oisd 144 pdf Read Online Read Online Oisd 144 pdf oisd 169 pdf oisd latest and comply with the OISD OISD STD 105, 116, 117, 118 Oisd standard 116 pdf Layout of an installation shall be done in accordance with OISD-Standard-118 on (2004 Edition) and the latest'. These are the property of Ministry of Petroleum & Natural Gas and shall not be reproduced or copied or loaned or exhibited to others without written consent from OISD. tank farm. In August 2000 it was amended inline with the recommendations of the High Power Committee. Note: In the following cases. will go a long way in improving the safety in oil and gas industry. OISD-STD-118 Revision - II FOR RESTRICTED CIRCULATION LAYOUTS FOR OIL AND GAS INSTALLATIONS OISD – STANDARD – 118 Revision – II, September 2004 Oil Industry Safety Directorate Government of India Ministry of Petroleum & Natural Gas hazardous and populated areas. OISD-STD-117 & OISD-STD-144 as the case may be. workshop etc. (ii) d) e) f) g) Firewater hydrant / monitors shall be minimum 15 m away from the equipment that is to be protected. Longitudinal axes of horizontal vessels (Bullets) should not point towards other vessels. furnaces & Block layout should be adopted as far as possible. . the minimum separation distance shall be 15m." Separation distances between the nearest tanks located in two dykes shall be equivalent to the diameter of the larger tank or 30 m. Shall be 60 m for non-blast construction and 30 m for blast resistant construction. May Indicates provisions that are optional.C is likely to be refined. Filling machines and testing facilities shall be organized in sequential manner distinctly in a separate area.3 (a) LPG truck loading/unloading gantry shall be located in a separate block and shall not be grouped with other petroleum products. General.000 cum in capacity shall be treated as one tank for the provision of firewall. NOIDA IOCL. Rail loading facilities should be located along the periphery of the installation. Excluded Petroleum: Liquids which have flash point of 93 oC and above. For more details OISD-STD-106 on "Process Design and Operating Philosophies on Relief and Disposal systems" shall be referred. . With this in view. minimum separation distances shall be as specified in Table. coupled with feed back from some serious accidents that occurred in the recent past in India and abroad. fecal etc. However. Note-7 The distances specified are for the elevated flare. Bombay. Relevant Notes : All Distances are in Meters. However. Kochi HPCL Visakh Refinery. New Delhi Shri Arvind Kumar.K. Curb wall around the storage tank shall have a minimum height of 30cm.2 LPG bottling facility. a mixture of propane and butane also fall under the same category. Accordingly. ... OISD-STD-118 Layouts for Oil and Gas Installations Rev.I. New Delhi In addition to the above. Note–1: The distance shall be 2 meters or 1/4 of the sum of the diameters of the adjacent vessels or half the diameter of the larger of the two adjacent vessels in the same group whichever is greater. d) In Table – 3 all distances shall be measured between the nearest points on the perimeter of each facility except in the case of tank vehicle loading/unloading area where the distance shall be measured from the center of each bay. as applicable. Technical Directorate under MOP&NG to oversee HSE matters in Oil & … the gazette of india: extraordinary [part ii – sec. (b) The unit pipe rack should be kept in the centre. This distance shall not be less than the diameter of the nearest vessel or 15 meters whichever is higher. OISD has issued approximately 110 Standards relating to installation, commissioning and operation of oil facilities in India. 1. heaters. Tank farm for storage of crude / products. Presence of ignition source shall always be contemplated beyond the boundary wall of the installation. Oil / Gas production and processing plants. There shall be no structure that would fall on the control room in case of a blast.Flares . When external power grid is interconnected with plant power generation facilities.Approach roads to main plant areas . All distances shall be measured between the nearest points on the perimeter of each facility except in case of tank vehicle loading /unloading area where the distance shall be from the center of each bay. air separation plants. Dear friends, I am presently working on the safety distance between the different process equipments in the refinery. OISD-STD-118 Revision - II FOR RESTRICTED CIRCULATION LAYOUTS FOR OIL AND GAS INSTALLATIONS OISD STANDARD 118 Revision II, September 2004 Oil Industry excluded Download >> Download Oisd 144 pdf Read Online >> Read Online Oisd 144 pdf oisd 169 pdf oisd latest and comply with the OISD OISD STD 105, 116, 117, 118 Oisd standard 116 pdf Layout of an installation shall be done in accordance with OISD-Standard-118 on (2004 Edition) and the latest". construction. stabilized and despatched for further processing. Where alternate distances are specified (like 0. Specific Notes to Table. Panipat Refinery. . This table is applicable where total storage capacity of Class-A & Class-B is less than 5000 cum and diameter of any tank storing Class-A and Class-B petroleum product does not exceed 9 meters." This shall be 36 meters considering the 6-meter wide road passing through the center. LPG storage vessels and other pressurized storage vessels . 5 D Min 20 m 0. .Sr no 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From / To Fired Heater / Any fired equipment Reactors Distillation column Accumulators – Hydrocarbons Compressors Hydrocarbons Hot oil pump Fuel Oil / HCs day tank Pumps for class. the minimum thereof shall be used. New Delhi Department of Explosives.P.G. "OISD hereby expressly disclaims any liability or responsibility for loss or damage resulting from use of the OISD Standards/ Guidelines/ Recommended Practices. View Std-118 from GENERAL HUL461 at IIT Kanpur. For ground flare, these distances shall be 150 m. For Exploration & Production installations, this shall be in line with Oil Mines Regulations. blended or stored at above its flash point. The following stipulations shall apply for the separation distances for above ground tanks storing petroleum: (a) For larger installation. Both these approaches should be available for receipt of assistance in emergency. Spheres and bullets shall be treated as separate groups with 30 meters separation distance between two groups. Suggestions from industry members may be addressed to: The Coordinator Committee on Layouts for Oil and Gas Installation Oil Industry Safety Directorate 7th Floor. . Alternative access shall be provided for each facility so that it can be approached for fire fighting in the event of blockage on one route. Attempts have been made to incorporate the latest technological changes. Facility This refers to any building. air compressors. this shall be in line with Oil Mines Regulations Separation distance between Tank truck gantry and wagon gantry shall be 50m. Stacking areas for empty and filled cylinders should be located separately. then it may be considered as a single block. (b) company standards. New Delhi House 27. Process control room to Process units / boiler house / heaters the minimum separation distance shall be 30 m. For distances within a dyke. 15. For ground flare, these distances shall be 150 m. For Exploration & Production installations, this shall be in line […] area should be earmarked. f) Fire Water pump house A building housing fire water pumps. pump connected directly with the Fuel Oil system. oisd - std - 113 first edition for restricted circulation only classification of areas for electrical installations at oisd 118. oisd 117. list oisd. Duliajan MEMBER-CO-ORDINATOR S K Aggarwal Oil Industry Safety Directorate.Shah Shri S. Shri Sunil Dewan. Grouping. The following are the key codes and standards requirements in India for tank farm design. For other details refer OISD-STD-144. If a group of tanks contains both fixed and floating roof tanks. August 2000. For mounded LPG storage. Drilling activities and facilities upstream of the Christmas Tree of a well are not covered under this definition. Engineers India Limited. Vent from Blow down facility shall be minimum 6m above the highest equipment falling with in radius of 15 m from the vent stack. Piping connected to tanks should run directly to outside of dyke to the extent possible to minimise piping within the enclosures. Shall Indicates provisions that are mandatory. standards for design, layout and operation of various equipment, facility and activities involved in this industry. fire control room with required communication facilities/mimic panel. Gas Processing Plant Gas processing plant is a facility where natural gas is received and processed to separate gas. For Gas processing plants. sulfur. j) k) Orientation of flares. (g) 7.6meter wide flat section on top for stability of the dyke wall.0 m above average inside grade level. Fuel Oil day tank shall be located at a distance of not less than 15m from equipment except those facilities such as heat exchanger. Fire 10. h) k) LPG Facilities LPG facility is one where liquefied petroleum gas (LPG) is stored. h) Layout of the facilities shall be made to minimise truck traffic ingress in the plant. . Barakhamba Road New Delhi-110 001 (iii) . The requirement of green belt / buffer zone beyond the plant boundary is outside the scope of this standard. Six OISD standards have been included in The Petroleum Rules (OISD STD 105, OISD STD 116, OISD STD 117, OISD STD 118, OISD STD 141, OISD STD 156) and Five OISD standards have been included in the Gas Cylinder Rules (OISD STD 144, OISD STD 150, OISD STD 169, OISD STD 179, OISD STD 210) Chemical / Toxic chemicals storage. Between floating Roof Tanks Class A & B Between fixed Roof Tanks Class A &B TABLE– 4 Between Class C Petroleum Storage tanks (D+d) / 4 Min 10 m (D+d) / 4 (D+d) / 4 Min 10 m (D+d) / 3 (D+d) / 6 Min 6 m (D+d) / 4 General notes to Table – 3 & 4 a) All distances are in meters. sulphur handling etc) and cooling towers should be decided based on prevailing wind direction to avoid travel of hydrocarbon vapour over sources of ignition. Adequate space should be provided around cold boxes for ease of operation and maintenance. f) Road widths. The dyke wall made up of earth.1. Adequate spacing between equipment will help in minimizing the spread of fire. For floating roof tanks. OISD, headed by an Executive Director, gets its directions and guidance from the Safety Council, the apex body consisting of senior officials of the Ministry of Petroleum and Natural Gas, chief executives of oil/gas companies and heads of the This document will be reviewed periodically for improvements based on the experience and better understanding. stations and terminals are as per OISD-118? Moreover, OISD was also given responsibility of monitoring implementation status of these standards through safety audits. if these are covered from the top and provided with adequate venting to safe location. Rao. NFPA 30. 10 out of these 60 OISD standards (OISD STD 105, OISD RP 108, OISD STD 114, OISD STD 116, OISD STD 118, OISD STD 128, OISD STD 129, OISD RP 149, OISD STD 150 and OISD GDN 178) are mandatory in nature by dint of their inclusion in various statutes like the then these may be considered as floating roof tanks. OISD Standard/GDN/RP No Standard Name CURRENT EDITION IN VOGUE; 1: OISD-STD … dusty operations (e. i) t) u) Should Indicates provisions that are recommended but not mandatory. (j) No trenches or pits which might hold flammables should extend under the furnace and connections with underground drain system should be sealed over an area 15 meters from the furnace walls. water table.Service buildings.Site topography including elevation. LPG Workshop B PCL Pune 6-7 March 2020. Propane." The capacity of the collection sump shall be as per OISD-STD–144. As such variety of practices have been in vogue because of collaboration / association with different foreign companies and governments. Separation distances between the nearest tanks located in separate dykes shall not be less than the diameter of the larger of the two tanks or 30 meters. g) Rail spur shall be located close to the periphery of the plant to minimise road/pipe crossings and blockage of roads during shunting. Earthen dyke wall shall have not less than 0.1 LAYOUT OF STORAGE TANKS General considerations Dyked Enclosures. communication and alarm system. Accordingly, OISD constituted a number of functional committees comprising of experts nominated from the industry to draw up standards and guidelines on various subjects. In Indian projects we adopt OISD 118. Consideration should be given to access for fire fighting. However, heater of a process unit remains an integral part of the process unit to which it is attached and in that case the inter equipment distances should be inline with Table –2. API Standard 2610–Design. T7.0 5.0 8. Equipment spacing within the process unit may be varied to meet the requirements specified by Licensors or of the Engineering Consultants.000 cum. Separation distances between Blocks / Facilities Separation distances between equipment within Process unit Inter-distances between Storage Tanks and Offsite facilities (Large installation) Separation distances between Storage Tanks and Offsite facilities (Small Installations) Separation distances between Storage Tanks within a Dyke Separation distances for LPG Facilities Separation distances between LPG Storage Vessels and Boundary / Property line / Group of Buildings not associated with LPG facilities (vi) . Roads should be provided in a symmetric manner to serve all process areas requiring access for the operation. concrete or solid masonry shall be designed to withstand the hydrostatic load. It includes lubeblending plants. SEPARATION DISTANCES BETWEEN TANK / OFFSITE FACILITIES . Separation distances specified in other OISD standards or elsewhere in this standard (other than Table –2) shall be followed as recommended. open oil separators shall be categorized under the same risk and shall be located at a distance of 90 meters from heaters / boilers. . Provide overhead clearance for vehicles over roadways and railroads. firewalls of minimum height 600mm shall be provided to prevent spills from one tank endangering any other tank in the same enclosure. (g) Overhead power transmission lines shall not pass over the installation including the parking areas. the minimum separation distance shall be 30 meter. 5.OISD-STD-118 10 -------------------------------------------------------------------------------------------------------------------------------------- 9.144 on LPG bottling plant and layouts. "OISD hereby expressly disclaims any liability or responsibility for loss or damage resulting from use of the OISD Standards/ Guidelines/ Recommended Practices." the distances specified in notes to Table-2 shall be met. 14.0 Check for proper alignment 15.0 Check for tension free jointing of piping connected to pressure vessel 16.0 Check painting for Dry Film Thickness (DFT). pipeline. (a) (b) (c) (d) (e) 8. (n) Petroleum coke storage and handling facilities should be located as far as possible away from process units. For these reasons. The bay should be designed in such a way that the driver's cabin will be facing the exit direction and shall have no obstruction. Oisd 118 Standard Pdf Posted By admin On 30/04/19 Hp support assistant … Activities of OISD OISD consists of a small core group of technical experts of various disciplines from the industry. Fire station should be upwind of process units and hydrocarbon storage area with straight approach to process units / other critical areas. Examples are Butane. Nagpur BPCL.Buragohain. For details. refer OISD-STD-150. The Oil Industry Safety Directorate (OISD) is a technical advisory body in India.It was established in 1986 by Ministry of Petroleum and Natural Gas.