4.6 Fuel System4.6.1 The Contractor shall submit the design of fuel system to the Engineer for approval.4.6.2 The proposed system shall be compatible to the fuel presently available in the depots. The fuel specification can be referred to the Operations Engineering Standard S/RS - egv/MW/01(01) in Appendix D of this Particular Specification.4.6.3 The fuel pump / metering unit shall be “sealed" to prevent unauthorized adjustment.4.6.6 The flow rate of fuel pump shall be clearly marked on the nameplate. Fuel line shall be constructed of fire resistant material and routed:a. away from hot engine or exhaust surfacesb. to avoid the spillage of diesel fuel on the rails in the event of leakagec. to avoid rupture in the event of vehicle collisiond. such that they are protected against mechanical damage, vibration and chaffing