Shunt Safe Device Specification 1. The Unit Should Be An Audio Visible Alarm Unit, To Be Used By The Shunting Staff For Their Own Safety During Shunting Operations. 2. The Unit Should Be M Ade Of At Least 1.2 Mm Thick Ms Sheet Duly Powder Epoxy Coasted. 3. The Visible Indication Is To Be Pr Ovided With The Help Of A Matrix Of Blue Led Of 5 Mm Diameter. The Front Size Matrix Should Be Have 4 Rows And 4 Columns And The Matrices On Either Side Should Have 1 Column Of 4 Led Each. The Led?S S Hould Be Flashing With One Second Off And One Second On Times. The Side Led? Should Be Located At An Angle Of 32 To 35 Degrees From The Front Matrix, With The Objective Is To Disperse The Light In The Front, As Well As On The Two Sides. 4. The Audio Alarm Should Comprise Of A Loud Speaker Of Such Intensity As To Be Audible From A Distance Of At Least 75 Meters In A Noisy Environment. Nominal Audio Power Out P Ut Of The Unit Should Be 10 Watt, Which Should Be Provided By The Means Of The Sturdy Horn Type Loud S Peaker. The Horn Should Be Protected With The Help Of Ms Bracket Of Suitable Size Duly Powder Coated. The Sound To Be Intermittent To Be Decided In Consultation With Railways. 5. The Unit Should Be Provid Ed With A Battery Backup Of At Least 4 To 5 Hours. 6. Batter 12V 4.5 Ah Lithium-Ion Battery. 7. The Unit Shall Be Usable In All Weather Conditions In Open Areas. The Design Should Be Rainwater Proof. 8. There Should Be Hook For Hanging The Device With The Coach/Wagon. The Hook Should Have A Diameter Of 2.5 Inches And It Should Be Possible To Rotate The Hook In Any Direction. Hook Should Be Strong Enough Tom Sustain The Regular Used Of The Unit. 9. Rubber Lining Or Any Other Type Of Shock Absorbers Should Be Pr Ovided At The Bottom And The Back Side. 10. The Unit Should Be Provided With A Suitable And Sturdy On Off Switch, So Located That It Is Not Operated Accidentally. A Jack Plug In Arrangement Should Be Provide D To Facilitate The Changing Of Batter With An External Charger. 11. The Led Should Be Protected With T He Help Of An Acrylic Sheet. 12. Battery On Charge Indication Should Be Provided At Suitable Location. 1 3. External Smps Charger To Be Provided For Charging Batteries. [ Warranty Period: 30 Months After T He Date Of Delivery ] ]

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