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Form L License Pakistan
Bulk Storage Tanks

Form L is the DPL license for bulk storage of petroleum products and chemicals in tanks, both above ground and underground. Required for oil marketing companies, large industrial facilities, and businesses storing fuel or chemicals in fixed tank installations.

Form L Overview

What is the Explosives Form L License?

The Form L license is issued under the Petroleum Rules 1937 for the bulk storage of petroleum products and dangerous chemicals in tanks, above-ground tanks, underground tanks, or a combination of both. Form L is required by oil marketing companies, fuel depots, large factories with bulk solvent storage, and any facility installing fixed petroleum storage tanks above the threshold quantity.

Form L Eligibility

Who Needs Form L

  • Oil Marketing Companies (OMCs) and fuel depots
  • Industrial facilities with bulk solvent or fuel tanks
  • Power plants with on-site fuel storage
  • Manufacturing units installing above-ground tanks
  • Chemical companies with bulk raw-material storage
  • Refineries and bulk petroleum distributors
  • Bulk Tanks
  • Industrial
  • OMC

Documents Required

Tank-Specific Documentation

  • Form "D" application with bulk storage section completed
  • Tank specifications, capacity, dimensions, material, certification
  • Tank manufacturer test certificate (hydrostatic, pressure)
  • Engineering layout drawings, tank farm plan (5 copies)
  • Spill containment / bunding design specification
  • Land documents and NOCs (DCO, TMO, Civil Defence, EPA)
  • Tank Specs
  • Bunding
  • Fire Design

Form L Tank Storage, Technical Requirements

  • Tanks: double-wall steel or approved fibreglass with corrosion protection
  • Distance: minimum safety distance between tanks and from boundary walls
  • Ventilation: explosion-proof breathers and pressure-vacuum valves
  • Fire system: foam suppression, sprinklers, hydrant network
  • Bunding: secondary containment sized 110% of largest tank capacity
  • Earthing: static electricity grounding on every tank
  • Pipework: only approved materials, flexible joints, emergency shut-off valves
  • Inspections: tank integrity inspection certificates required for licence renewal

Form L License Application Process, Pakistan

The Form L application process is more rigorous than Form M because of the higher fire and safety risk of bulk tanks. Our team manages the full process: tank specification review, engineering drawings, bunding design, fire safety system planning, and government department coordination.

 

Form L FAQs

Do I need Form L if my tanks are underground only?
Yes. Form L covers bulk storage in tanks, whether above-ground, underground, or both. Underground tanks have specific additional requirements: corrosion-resistant materials, leak detection systems, and inert backfill. We design and document underground tank installations to full Explosives Department specification.
Yes. Many large facilities hold both, Form L for their bulk fuel/chemical tanks and Form M for additional drum/package storage in a godown on the same premises. We file both together when applicable.
Form K is specifically for petrol pump retail outlets, petrol, diesel, and lube oil sold to the public. Form L is for bulk storage at non-retail facilities, depots, factories, power plants. A petrol pump owner with additional storage may need both Form K and Form L.

Need Form L for Your Bulk Storage?

Tank design, bunding, fire safety, and complete Form L license application, one consultancy.

Start Form L Application
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