NR11 – Transportation, Movement, Storage and Handling of Materials

(Last amendment on June 2, 2004)

11.1 Safety standards for operating elevators, cranes, conveyors.

11.1.1 Elevator shafts and hoist shall be firmly fenced, except for the doors or gates required on the floor.

11.1.2 When the elevator cabin is not at the ground level, the openings shall be protected by handrails or other suitable devices.

11.1.3 Equipments used for moving the materials, such as lifts, freight elevators, cranes, dumbwaiters, overhead cranes, hoists, forklifts, winches, different types of conveyors shall be calculated and constructed so as to provide the necessary strength and safety and kept in perfect working condition. Special attention shall be given to steel cables, chains, pulleys and hooks so that they shall be constantly inspected by replacing any defective parts. The maximum load allowed shall be displayed visibly on all the equipments. Special safety conditions are required for the equipments designed to move personnel.

11.1.4 Pedestrian propelled trucks shall have hand protectors.

11.1.5 The operator of powered transportation equipments shall receive specific training given by the company, which shall qualify him for this function.

11.1.6 The operators of motorized transport equipments shall be qualified and may only drive during work hours wearing an identification card with name and photograph, clearly visible at all times. The card shall be valid for 1 (one) year, except for unforeseen circumstances. For revalidation, the employee shall undergo a complete medical examination on behalf of the employer.

11.1.7 Motorized transport equipments shall have audio warning signals (horn).

11.1.8 All conveyors shall be inspected regularly, and defective parts or deficiencies shall be replaced immediately.

11.1.9 Toxic gas emissions arising from transportation machines in enclosed or poorly ventilated areas shall be controlled to avoid concentrations above permissible level in the workplace.

11.1.10 Use of transportation machines powered by internal combustion engines in enclosed or unventilated areas are prohibited unless appropriate neutralizing devices are provided.

11.2 Safety standards in sack transportation activities.

11.2.1 For the purpose of application of this regulation, the expression of “manual handling of sack” is denominated as any activity essential to manually transportation of sacks, continuously or discontinuously, in which the weight of the load is supported entirely by a single worker, including lifting and deposition.

11.2.2 Maximum distance to transport a sack manually is 60.00 m (sixty meters). Above the limit provided in this standard, unloading transportation shall be performed by means of wagons, trucks, wheelbarrows, trolleys, or any type of mechanical transportation.

11.2.3 It is forbidden to manually transport the sacks through planks over the openings higher than 1.00 m (one meter) or more in length. The planks mentioned in item 11.2.3 shall have a minimum width of 0.50 m (fifty centimeters).

11.2.4 Employees shall have the assistance of an helper while manually loading or unloading the sacks in trucks or wagons.

11.2.5 The piles of the sacks in the storages shall have a maximum height limited to the resistance level of the floor, shape and strength of the packaging material and the stability of incline and lashing of piles based on the geometry.

11.2.6 (Repealed by Ordinance SIT no 82, June 01, 2004)

11.2.7 In mechanized stacking process, it is advised to use conveyor bands or forklifts.

11.2.8 When it is not possible to use a mechanized process, a manual process through the use of removable wooden ladder with the following features is accepted:

a) single flight of stair with access to final level landing;

b) the minimum width of 1.00 m (one meter), having a landing with minimum dimensions of 1.00 m x 1.00 m (one meter x one meter) and a maximum height of 2.25 m (two meters and twenty five centimeters) related to the ground;

c) a suitable proportion between the tread and the riser of each step shall be kept. The riser cannot be higher than 0.15 m (fifteen centimeters) or the tread narrower than 0.25 m (twenty five centimeters).

d) laterally and vertically reinforced by means of wooden or metal structure to ensure stability;

e) handrail or guardrail on both sides with a height of 1.00 m (one meter) throughout the length;

f) perfect condition of stability and safety, replacing immediately in case of any defects.

11.2.9 The floor of storage shall be made of non-slip material without roughness by using preferably mastic asphalt, and be kept in perfect condition.

11.2.10 Manual transport of sacks shall be avoided on slippery and wet surfaces.

11.2.11 The company shall provide appropriate coverage for sack loading and unloading sites.

11.3 Storing materials.

11.3.1 The weight of the stored material cannot exceed the calculated load capacity of the flood.

11.3.2 The stored material shall be positioned in a way not to block doors, fire fighting equipments, emergency exits, etc.

11.3.3. Stacked material shall be away from the walls of building structure at a distance of at least 0.50 m (fifty centimeters).

11.3.4 Materials shall not obstruct the traffic, lighting and access to the emergency exits.

11.3.5 The storage shall comply with special safety requirements for each type of material.

11.4 Movement, Storage and Handling of Plates of Marble, Granite and Other Rocks.

11.4.1 Moving, storage and handling of plates of marble, granite and other rocks shall conform to the provisions in the Technical Rules of Procedures contained in Annex I of this NR.

Annex I – Technical Rules of Procedures for Movement, Storage and Handling of Plates of Marble, Granite and Other Rocks