RMP Underground Conduit System Installation Guide (Procedure 242)

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4.3 Firewalls• The customer shall conform to all local building codes and/or ordinancesaffecting the equipment location.• Combustible/non-combustible construction types are defined byrespective state building codes.At locations where the space separation is inadequate to provide fire protection, afirewall may be constructed. The firewall shall be constructed such that the heat andflame from a dynamic event are deflected away from the storage tank.The firewall shall be approved by local authorities. Contact the Power Company forinformation on firewalls. Also see ESR White Paper 5—Firewalls athttp://www.rockymountainpower.net/esr.Procedure•Figure 4.3 – Typical Firewall4.4 Power Company Equipment in Enclosed SpacesThe Power Company requires 24-hour access to equipment in gated and enclosedspaces. If a single- or three-phase transformer, padmounted piece of equipment, orpedestal is to be placed in a gated or enclosed space, the Power Company shall begranted proper access prior to installation. For more information, see ESR WhitePaper 5—Gated and Enclosed Spaces at http://www.rockymountainpower.net/esr.5 Installation Guidelines – Trenches and BackfillThe customer is responsible for providing all trenches, backfill, and compaction. Thecustomer shall meet the requirements described in this procedure to complete constructionfor underground installation. The customer is responsible for ensuring that all conduitsystem installations comply with Power Company requirements.During development/construction, the customer is responsible for ensuring that allsubsequent contractors in the vincinity of Power Company facilities exercise care tomaintain the integrity of the conduit system (conduit and equipment bases). If the PowerJ:\Publications\FPP\DIS\PRO\242-RMP Underground Conduit Systems.docx R6, 5/13/14This document is posted online at rockymountainpower.net, and at engineering’s intranet site for distribution procedures.Modification of this document must be authorized by PacifiCorp engineering publications, (503) 813-5293. 20
Company is required to return to the site to repair the conduit system, the customer will beheld liable.5.1 Trenching – Call Before You Dig – 811For trenching requirements see section 2.3, Trench and Backfill Requirements.ProcedureThe trench bottom should be level and well tamped.Figure 5.1.1 – Typical Primary Conductor TrenchThe trench should be level and well tamped.J:\Publications\FPP\DIS\PRO\242-RMP Underground Conduit Systems.docx R6, 5/13/14This document is posted online at rockymountainpower.net, and at engineering’s intranet site for distribution procedures.Modification of this document must be authorized by PacifiCorp engineering publications, (503) 813-5293. 21
Page 3: ProcedureUnderground Conduit System
Page 7 and 8: Figure 6.5.2 - Joint Use Separation
Page 9 and 10: Underground Conduit Systemsfor Prim
Page 12 and 13: Any conduit system or any part of a
Page 14 and 15: ProcedureFiberglass conduit and swe
Page 16 and 17: 2.2.7 Conduit ProofingAll undergrou
Page 18 and 19: The following list of requirements
Page 20 and 21: ProcedureFigure 2.3.6.1 - Joint Use
Page 22: A padvault is a two-part concrete b
Page 25 and 26: 3.4 Secondary BoxesSecondary boxes,
Page 27: ProcedureFigure 4.2 - Clearances be
Page 31 and 32: 6 Installation Guidelines - Conduit
Page 33 and 34: 6.3 Installing Conduit through Pave
Page 35 and 36: 6.5 Joint Use SeparationFor joint u
Page 37 and 38: 6.6 Transition from Overhead to Und
Page 39 and 40: • Site accessibility. The site lo
Page 41 and 42: ProcedureFigure 7.6.1 - Barrier Pos
Page 43 and 44: 8 Three Phase Sectionalizing Cabine
Page 45 and 46: Notes:For each conduit run:•One 4
Page 47 and 48: Notes:For each conduit run:•Leave
Page 49 and 50: 9.2 Excavation - Single Phase Secti
Page 51 and 52: 3” Final Grade6-10”3 - 6”45°
Page 53: ProcedureFigure 10 - Single Phase T
Page 57 and 58: 10.4 Power Company Installs Pad Box
Page 59 and 60: 11.2 Excavation - Secondary BoxNote
Page 61 and 62: 12 Concrete Flat Pads - Customer Re
Page 63 and 64: 12.2 Excavation, Flat Pad - Three P
Page 65 and 66: ProcedureFigure 13.1 - Padvault13.2
Page 67 and 68: Pad vault must be set at proper ele
Page 69: UG CONDUIT SYSTEMS Rev. 6 May 2014E

RMP Underground Conduit System Installation Guide (Procedure 242)

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