VRIOGS 010.3 RevA - Public Transport Victoria

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12 VRIOGS 010.3 Revision Asubstation. The access authorisation is as follows;• All personnel can gain access to the amenities room.• HV Personnel can gain access to any part of the substation.• Signalling personnel can gain access to only the signalling room and amenitiesroom.• Communications personnel can gain access to only the communications roomsand amenities area.• The appropriate personnel can gain access to only the external LV suppliesswitchgear room and amenities area.7.5.2 SUBSTATION ACCESSAll internal roadways and external access roads shall be designed for all-weatheraccess. Road design and construction shall comply with VicRoads or Local Authoritystandards.Turning radii shall be designed to accommodate entry of the proposed largest item tobe transported to the substation.The depth of roadbase shall be designed to suit the traffic loads during constructionand operation of the Substation, but shall not be less than 200mm.All internal roads (within the Substation fenced enclosure) shall be provided witheither a 2-coat bitumen seal or a minimum of 40mm thick asphaltic concrete (A.C.)seal.All edges of internal roadways shall be clearly marked by an approved means.7.5.3 DOORSa) External doors and frames should be of solid construction. These doorsshould be fitted with quality locksets, which comply with the Building Codeof Australia (Fire Regulations) and AS 4145.2b) External doors shall be heavy duty, self closing doors fitted with pinnedhinges inside of the building, cover plate for locks or heavy duty metalroller doors with lockable chains.c) All internal and external doors shall be provided with keyable locks(Lockwood type - barrels) that adhere to a classification of D2S3K4 orbetter as per AS 4145.2.d) Doors – shall have a fire resistance level equal to the walls in which theyare situated, and shall be in accordance with AS 1905.1.e) Doors through which equipment must pass shall be of such a size, and insuch location(s) that the largest item of equipment can be removed withoutdisassembly. Removable fanlights above doorways are acceptable toallow equipment through otherwise standard height doorways.NOTE:This document is controlled only when viewed on the DOT Engineering Standards website.Any other copy of this document is uncontrolled, and the content may not be current.
VRIOGS 010.3 Revision A 13f) A minimum of two emergency doors shall be provided from all HighVoltage and 1500V DC areas, generally located diagonally opposite eachother and purposely located to allow ready emergency exit.g) The designated normal access into the building need only be provided withan externally accessible lock. All separate compartmented rooms shall allhave locked accessibility and emergency egress being provided by meansof panic bars fitted to locks.7.5.4 FENCINGThe substation shall be bounded by a security fence with lockable entrance gates.All external equipment including the substation building shall be enclosed in acompound (or switchyard) using a chain link fence. Fencing shall be earthed, andshall maintain clearances from equipment as specified in A.S. - 2067, or asnecessary to provide truck access to any item of equipment, whichever is greater.The fence or enclosure shall be a minimum of 3m away from the substationbuildings.One or more sets of matching gates with a minimum length of 3600mm shall allowaccess to the compound. The gates shall be equipped with heavy duty & vandalproof means of securing the substation. Robust drop bolts, locking chains andpadlock shall be provided for each gate.The fencing and gate design shall be such that the largest item of plant in thesubstation can be transported out without the need to dismantle any part the fence orgate.Where the substation is prone to vandalism a concrete panel enclosure or a palisadetype fence shall be used instead of a chain link fence.7.5.5 ALARM SYSTEMAll areas of the substation shall be covered by heat and smoke detection and analarm system. The alarm system shall be activated by quad sensors with motion andIPR activation.NOTE:This document is controlled only when viewed on the DOT Engineering Standards website.Any other copy of this document is uncontrolled, and the content may not be current.
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VRIOGS 010.3 RevA - Public Transport Victoria

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