Department of Public Safety › 29-349 Storage, Transportation and Use of Explosives and Blasting Agents

Regulations of Connecticut State AgenciesSec. 29-349-309. Permissible bulk storageBulk storage may be in covered open piles, in bins, in warehouses, or in silo-type structures and shall totally exclude all other commodities of an organic, combustible or oxidizable nature. (Effect…

Regulations of Connecticut State AgenciesSec. 29-349-310. Warehouse ventilation. Combustible constructionWarehouses, if of combustible construction, shall have adequate ventilation or be capable of adequate ventilation in case of fire. (Effective December 24, 1987)

Regulations of Connecticut State AgenciesSec. 29-349-311. Maximum height requirementsUnless constructed of noncombustible material, bulk storage structures shall not exceed a height of 40 feet. (Effective December 24, 1987)

Regulations of Connecticut State AgenciesSec. 29-349-312. Bin contaminationBins shall be clear and free of materials which may contaminate ammonium nitrate.(Effective December 24, 1987)

Regulations of Connecticut State AgenciesSec. 29-349-313. Prohibited bin construction materialsDue to corrosive and reactive properties of ammonium nitrate, and to avoid contamination, steel, galvanized iron, copper, lead and zinc shall not be used in bin construction unless suit…

Regulations of Connecticut State AgenciesSec. 29-349-314. Warehouse subdivisionThe warehouse may be subdivided by tight partition walls into any desired number of ammonium nitrate storage compartments or bins. (Effective December 24, 1987)

Regulations of Connecticut State AgenciesSec. 29-349-315. Identification signsThe ammonium nitrate storage bins or piles shall be clearly identified by signs reading \"AMMONIUM NITRATE\" with letters at least 2 inches high. (Effective December 24, 1987)

Regulations of Connecticut State AgenciesSec. 29-349-316. Periodic moving of materialPiles or bins shall be so sized and arranged that all material in the pile is moved out periodically in order to minimize possible caking of the stored ammonium nitrate. (Effective December 24, 1…

Regulations of Connecticut State AgenciesSec. 29-349-317. Limitations of depth of pilesHeight or depth of piles shall be limited by the pressure setting tendency of the product. However, in no case shall the ammonium nitrate be piled higher at any point than 36 inches below the r…

Regulations of Connecticut State AgenciesSec. 29-349-318. Maximum temperature for storageAmmonium nitrate shall not be accepted for storage when the temperature of the product exceeds 130°F. (Effective December 24, 1987)

Regulations of Connecticut State AgenciesSec. 29-349-319. Use of explosives prohibited for looseningDynamite, other explosives, and blasting agents shall not be used to break up or loosen caked ammonium nitrate. (Effective December 24, 1987)

Regulations of Connecticut State AgenciesSec. 29-349-320. Wall construction requirements for separationAmmonium nitrate shall be separated by approved type walls of not less than one hour fire-resistance rating from storage or organic chemicals, acids or corrosive liquids, or oth…

Regulations of Connecticut State AgenciesSec. 29-349-321. Separation requirements with outwallsIn lieu of separation walls, ammonium nitrate may be separated from the materials referred to in the foregoing section by a space at least 30 feet or more as required by the Local or St…

Regulations of Connecticut State AgenciesSec. 29-349-322. Flammable liquid storage prohibitedFlammable liquids such as gasoline, kerosene, solvents and light fuel oils shall not be stored on the premises except as approved by the State Fire Marshal. (Effective December 24, 1987)

Regulations of Connecticut State AgenciesSec. 29-349-323. LP-Gas storage prohibitedLP-Gas shall not be stored on the premises except as approved by the State Fire Marshal.(Effective December 24, 1987)

Regulations of Connecticut State AgenciesSec. 29-349-324. Other materials storage restrictedSulphur and finely-divided metals shall not be stored in the same building with ammonium nitrate except as approved by the State Fire Marshal. (Effective December 24, 1987)

Regulations of Connecticut State AgenciesSec. 29-349-325. Prohibited storage of explosives and blasting agents(a) Explosives and blasting agents shall not be stored in the same building with ammonium nitrate except on the premises of makers, distributors and user-compounders of e…

Regulations of Connecticut State AgenciesSec. 29-349-326. Electrical installationsElectrical installations shall conform to the requirements of the National Electric Code. They shall be designed to minimize damage from corrosion. (Effective December 24, 1987)

Regulations of Connecticut State AgenciesSec. 29-349-327. Electric light protectionElectric lamps shall be located or guarded so as to preclude contact with bags or other combustible materials. (Effective December 24, 1987)

Regulations of Connecticut State AgenciesSec. 29-349-328. HousekeepingGood housekeeping shall be maintained.(Effective December 24, 1987)

Regulations of Connecticut State AgenciesSec. 29-349-329. Broken bag content salvageUncontaminated contents of broken bags may be salvaged by placing the damaged bag inside a clean, new slip-over bag and closing securely. Other spilled materials and discarded containers shall be …

Regulations of Connecticut State AgenciesSec. 29-349-330. Open lights or flames and smoking prohibitedOpen lights or flames and smoking shall be prohibited in storage buildings, but this is not meant to exclude heating units approved by the State Fire Marshal. (Effective December…

Regulations of Connecticut State AgenciesSec. 29-349-331. Entrances to warehouses to be properly identifiedAll points of entry to commercial warehouses in which ammonium nitrate is stored shall be properly identified with durable signs meeting the following specifications: (a) Si…

Regulations of Connecticut State AgenciesSec. 29-349-332. Vehicle parking in buildings restrictedInternal combustion motor vehicles, lift trucks and cargo conveyors shall not be permitted to remain overnight in a building where ammonium nitrate is stored unless parked in an area …

Regulations of Connecticut State AgenciesSec. 29-349-333. Trucks inside warehouses to conform to requirementsFork trucks, tractors, platform lift trucks, and other specialized industrial trucks used within the warehouse shall conform to the requirements of the State Fire Marshal.…

Regulations of Connecticut State AgenciesSec. 29-349-334. Lightning protectionIn areas where lightning storms are prevalent, lightning protection shall be provided. See the Lightning Protection Code, NFPA No. 78. (Effective December 24, 1987)

Regulations of Connecticut State AgenciesSec. 29-349-335. Unauthorized personnelProvisions shall be made to prevent unauthorized personnel from entering the ammonium nitrate storage area. (Effective December 24, 1987)

Regulations of Connecticut State AgenciesSec. 29-349-336. Automatic sprinkler requirementsUnless the storage of a greater quantity is approved by the State Fire Marshal, not more than 2,500 tons of bagged ammonium nitrate shall be stored in a building or structure not equipped wi…

Regulations of Connecticut State AgenciesSec. 29-349-337. Automatic sprinkler installationSprinkler systems shall be approved type and installed in accordance with the requirements of the State Fire Marshal. (Effective December 24, 1987)

Regulations of Connecticut State AgenciesSec. 29-349-338. Portable fire extinguishersSuitable fire control devices such as small hose or portable extinguishers shall be provided throughout the warehouse and in the loading and unloading areas as required by the State Fire Marshal.…

Regulations of Connecticut State AgenciesSec. 29-349-339. Fire hydrantsWater supplies and fire hydrants shall be available in accordance with recognized good practices and as required by the State Fire Marshal. (Effective December 24, 1987)

Regulations of Connecticut State AgenciesSec. 29-349-340. Sprinklers, hydrants may be waivedThe requirements for automatic sprinklers, water supplies and fire hydrants set forth in this Code may be waived by the State Fire Marshal when storage facilities are located in remote are…

Regulations of Connecticut State AgenciesSec. 29-349-341. American Table of DistancesThe following is the American Table of Distances for Storage of Explosives.American Table of Distances for Storage of ExplosivesExplosivesDistance in Feet When Storage is BarricadedPounds overPou…

Regulations of Connecticut State AgenciesSec. 29-349-342. Existing Class B magazinesMagazines constructed and licensed prior to September 1, 1964 and used exclusively for the storage of Class B explosives may be located at one-half the distance specified in the table. (Effective …

Regulations of Connecticut State AgenciesSec. 29-349-343. Non-barricaded magazinesWhen a building containing explosives is not barricaded, the distance shown in the table shall be doubled. (Effective December 24, 1987)

Regulations of Connecticut State AgenciesSec. 29-349-344. Requirements for two or more magazines on same propertyWhen two or more storage magazines are located on the same property, each magazine must comply with the minimum distances specified from inhabited buildings, railways …

Regulations of Connecticut State AgenciesSec. 29-349-345. Storage of explosives exceeding 300,000 poundsThe permanent storage of more than 300,000 pounds of commercial explosives in one magazine or in a group of magazines which is considered as one magazine is not permitted excep…

Regulations of Connecticut State AgenciesSec. 29-349-346. Explosive rating of blasting capsAll types of blasting caps in strength through No. 8 shall be rated at 1½ pounds of explosives per 1,000 caps. The State Fire Marshal shall designate the ratings of caps higher in strength …

Regulations of Connecticut State AgenciesSec. 29-349-347. General provisionsUnless otherwise set forth in this chapter, water gels shall be transported, stored and used in the same manner as explosives or blasting agents in accordance with the classification of the product. (Effe…

Regulations of Connecticut State AgenciesSec. 29-349-348. Premixed water gelsPremixed water gels containing a substance in itself classified as an explosive shall be classified as an explosive and manufactured, transported, stored, and used as specified for explosives in this Cod…

Regulations of Connecticut State AgenciesSec. 29-349-349. Cap-sensitive premixed water gelsPremixed water gels containing no substance in itself classified as an explosive and which are cap-sensitive as defined in Section 29-349-106 of this Code under Blasting Agent shall be clas…

Regulations of Connecticut State AgenciesSec. 29-349-350. Non cap-sensitive premixed water gelsPremixed water gels containing no substance in itself classified as an explosive and which are NOT cap-sensitive as defined in Section 29-349-106 of this Code under Blasting Agent shall…

Regulations of Connecticut State AgenciesSec. 29-349-351. On-site mixed water gelsIngredients for on-site mixed water gels shall be stored as set forth in this section.(a) Ingredients in themselves classified as Class A or Class B explosives shall be stored in conformity with Cha…

Regulations of Connecticut State AgenciesSec. 29-349-352. Electric power sourcesIf electric power is used it may be furnished by cable from an outside source or by a self-contained motor generator. In the case of a self-contained power source, it shall be located at the end of th…

Regulations of Connecticut State AgenciesSec. 29-349-353. Electric wiring requirementsElectric wiring carrying voltages greater than 21 volts shall be armored or in conduit and, if dry ingredients are employed, the wiring shall conform to the requirements of Class II, Division 2 …

Regulations of Connecticut State AgenciesSec. 29-349-354. Mixing equipment requirementsMixing equipment for on-site mixed water gels shall comply with the requirements of this section. (a) All electric motors, electrically operated proportioning devices, etc., shall be electrical…

Regulations of Connecticut State AgenciesSec. 29-349-355. General provisionsIn addition to all other applicable requirements in this Code, the intrastate transportation of small arms ammunition, small arms ammunition primers and smokelss propellants shall be in accordance with cu…