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(3) RETI DI SICUREZZA. Guida tecnica per la scelta, l’uso e la manutenzione. 2020.
(4) Pubblicazione realizzata da Inail Dipartimento innovazioni tecnologiche e sicurezza degli impianti, prodotti e insediamenti antropici Coordinamento scientifico Luca Rossi Autori. Luca Rossi Francesca Maria Fabiani Davide Geoffrey Svampa Con la collaborazione di. Calogero Vitale Ivano Bevilacqua Disegni di. Massimo Stasi Eurolit. per informazioni Inail Dipartimento innovazioni tecnologiche e sicurezza degli impianti, prodotti e insediamenti antropici Via Roberto Ferruzzi 38/40 00143 Roma [email protected] www.inail.it © 2020 Inail ISBN 978-88-7484-189-9 Gli autori hanno la piena responsabilità delle opinioni espresse nella pubblicazione, che non vanno intese come posizioni ufficiali dell’Inail. Distribuita gratuitamente. Vietata la vendita e la riproduzione con qualsiasi mezzo. È consentita solo la citazione con l’indicazione della fonte.. Tipolitografia Inail - Milano, febbraio 2020.
(5) Indice. Introduzione. 5. 1. Scopo. 7. 2. Riferimenti legislativi e normativi. 8. 2.1 Legislazione. 8. 2.2 Norme tecniche. 8. 3. Termini e definizioni. 8. 4. Valutazione del rischio. 13. 4.1 Analisi del rischio 4.1.1 Rischi prevalenti 4.1.2 Rischi concorrenti 4.1.3 Rischi susseguenti 4.1.4 Rischi derivanti dall’attività lavorativa. 15 15 15 16 16. 4.2 Esposizione al rischio. 16. 4.3 Riduzione del rischio 4.3.1 Riduzione del rischio di caduta dall’alto 4.3.2 Riduzione del rischio di urto contro le reti di sicurezza. 17 17 17. 4.4 Piano di emergenza. 18. Tipologie. 19. 5.1 Classe. 19. 5.2 Sistema 5.2.1 Sistema S 5.2.2 Sistema T 5.2.3 Sistema U 5.2.4 Sistema V 5.2.5 Altri sistemi. 19 19 21 23 26 29. 5.3 Reti di sicurezza orizzontali di piccole dimensioni. 30. 5.4 Funi 5.4.1 Generalità 5.4.2 Caratteristiche meccaniche e chimiche 5.4.3 Tipi di funi. 30 30 31 31. Requisiti. 35. 6.1 Requisiti prestazionali. 35. 6.2 Requisiti geometrici e limiti di posizionamento 6.2.1 Altezza di caduta e larghezza di raccolta (sistemi S e T) 6.2.2 Deformazione della rete di sicurezza (sistemi S e T) 6.2.3 Tirante d’aria (sistemi S, T e V) 6.2.4 Inclinazione della superficie (sistemi S e T) 6.2.5 Larghezza di raccolta (sistema T) 6.2.6 Altezza di caduta e inclinazione (sistema U) 6.2.7 Altezza di caduta e spazio libero disponibile (sistema V). 35 36 37 38 39 39 40 40. Scelta. 42. 7.1 Criteri di scelta. 42. 7.2 Metodi di accesso 7.2.1 Generalità 7.2.2 Dispositivi di aggancio remoto. 43 43 43. 5. 6. 7.
(6) 7.2.3 Piattaforme di lavoro mobili elevabili (PLE) 7.2.4 Ponteggi 7.2.5 Trabattelli 7.2.6 Scale portatili. 44 45 46 47. 7.3 Montaggio 7.3.1 Sistema S 7.3.2 Sistema T 7.3.3 Sistema U 7.3.4 Sistema V. 48 48 50 53 53. 7.4 Documentazione. 58. 7.5 Designazione e marcatura. 59. 8. Uso. 61. 9. Ispezione e manutenzione. 63. 9.1 Generalità. 63. 9.2 Figure professionali coinvolte. 64. 9.3 Ispezione 9.3.1 Ispezione prima del montaggio o dopo lo smontaggio 9.3.2 Ispezione d’uso 9.3.3 Ispezione periodica 9.3.4 Ispezione di entrata o rimessa in servizio 9.3.5 Ispezione straordinaria 9.3.6 Riparazioni 9.3.7 Scheda dei controlli. 64 64 64 64 65 65 65 66. 9.4 Manutenzione. 68. 9.5 Registrazioni 9.5.1 Registrazione delle ispezioni e delle manutenzioni 9.5.2 Registro di controllo 9.6 Deposito e trasporto. 68 68 68 69. Appendice - Ancoraggi. 70. A1 Generalità. 70. A2 Tipologie. 70. A3 Esempi di strutture ed ancoraggi. 73. A4 Idoneità della struttura di supporto A4.1 Test di trazione sulla struttura di supporto A4.2 Test di trazione sull’ancorante. 77 77 77. A5 Utilizzo degli ancoraggi. 78. Bibliografia. 79.
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