ESRBUL45 - Snohomish County PUD
Contents
1. Section 6 Generation Interconnection New 10 94 Revised 10 09 2009 ElEctrical SErvicE rEquirEmEnt G Solar Net Meter Generation Installation of Solar Generation Production Metering must comply with the requirements in the District s Electrical Service Requirements Manual ESR as well as the requirements of the local electrical jurisdiction and the State of Washington Meters shall be permanently labeled Production Meter and Net Meter in compliance with ESR 5 F Service Identification Meter Labeling Preferred location of meters shall be adjoining as shown on the figure below when possible If adjoining meter locations are not possible meters shall be in clear view with unobstructed safe access of each other Contact the District s Energy Services Department for further information Typical net metered solar installation 1 25 kW or Less 01 02 2014 Notes 1 Preferred location for District revenue meter is within 15 of production meter Greater distances may be acceptable with prior District approval before installation 2 Production meter is for the Washington State Renewable Energy Production Incentive 3 A visible open lockable disconnect switch is required for all systems 25kW and greater This switch must be accessible at all times to District personnel Single phase 120 240 volt systems under 25kW metered with a self contained meter do not require a visible disconnect switch 120 240 UL 1741 DC to AC2. to penetrate the vault extend the conductors and or conduit s and make the connections 2 Any costs associated with damage and repair to the existing primary secondary s or ground wires are the responsibility of the customer contractor 3 Under no circumstance shall the Customer penetrate the wall of an existing energized vault with either conduit or conductor Only District personnel are authorized to penetrate into an existing energized vault 4 Contact engineering to determine which corner of an existing vault is available for the service to enter 12 24 2013 3 20 Excess Secondary Conductor Coiled at Vault Entrance 15 min required inside vault When Conduit is used stop it here 4 from the Vault No bell end on conduit s Typical Existing Energized Vault 24 Min 3 4 Secondary Top Knockouts Primary Knockouts Bottom DO NOT PENETRATE Final Grade ELECTRIC DO NOT ENTER NOTE The Customer Shall Notify Utilities Underground Location Center by calling 811 or 1 800 424 5555 48 Hours not less than two business days or more than ten business days before the commencement of excavation or trenching to allow for the location of existing underground utilities by their representatives RCW 19 122 030 Contact the appropriate utility if conflicts occur NOTE The Customer Shall Notify Utilities Underground Location Center by calling 811 or 1 800 424 5555 48 Hours not less than two busine
3. IATION FROM STANDARD SERVICE REQUIREMENTS Date Service Address Customer Address Phone Eng Architect Contractor Electrician Phone Phone Phone Type of Service O H U G Voltage Load Prints Available Yes No Estimated Date of Service Other Approvals Required City County Labor amp Industries Requested Date Variance Application Reply Is Needed Adequate time for internal processing 10 day minimum must be allowed Variance Requested include specific ESR reference s that cannot be complied with and reason for request Reason for Request Sketch attach other documents as necessary Complete all Variance information in full and submit with a copy of the appropriate New Service Questionnaire Variances must be approved by all Managers and departments affected by requested Variance including deviation from Electrical Codes Standards and Electrical Service Requirements or Variance will be denied Variance Request Reviewed and Approved by Customer Distribution Designer Engr _______ Date ___ ___ ___ Regional Distribution Engr Mgr ___________ Date ___ ___ ___ Construction Superintendent ______________ Date ___ ___ ___ Meter Dep t Superintendent _____________ Date ___ ___ ___ System Planning amp Protection Eng _________ Date ___ ___ ___ System Planning amp Protection Mgr _______ Date ___ ___ ___ Meter Reading Mgr _____________________ Date ___ ___ ___ Other Identify
4. Inverter DC AC Production Meter Generation PUD Revenue Net Meter Preferred Adjoining Meter Locations 15 Max See Note 1 Customer Service Panel Solar Panels UL 1741 DC to AC Inverter Production Meter Generation 120 240 DC AC PUD Revenue Net Meter Preferred Adjoining Meter Locations 15 Max See Note 1 Customer Service Panel
5. NO 45 ATTENTION ELECTRICAL CONTRACTORS SUPPLIERS AND DISTRICT ENGINEERING CONSTRUCTION amp OPERATIONS PERSONNEL SUBJECT Electrical Service Manual ESR Several revisions have been made to the ESR since the last publication Please nd enclosed the revised documentation to be inserted in your manual Current revisions are shown in red with a black vertical bar on the left border A brief description of the revisions are as follows Section 2 General Requirements Pages 2 17 and 2 18 Variance Request form revised Section 4 Underground Service Pages 4 41 and 4 42 revised Page 4 41 provides more detailed requirements for a Vault Room Page 4 42 speci es 20 of excess conductor required to comply with Figure 4 21 Section 5 Meters and Service Entrance Equipment Page 5 15 provides more detail for required door hardware required for Meter Rooms Section 6 Generation Interconnection Pages 6 16 revised to provide more detailed informaion regarding the visible open lockable disconnect switch requirement All requirements are effective immediately In order for you to have the most current information available for reference please update your assigned ESR manual with the enclosed pages without delay January 2 2014 Page 2 17 ELECTRICAL SERVICE REQUIREMENTS Section 2 General Requirements Revised 06 15 2013 New 10 90 V FORM 2 1 VARIANCE ROUTING PUBLIC UTILITY DISTRICT NO 1 OF SNOHOMISH COUNTY INTE
6. RNAL VARIANCE APPLICATION ROUTING Signatures Approval Denial to be noted on Actual Variance Form Route To Mailstop 1 Designer Engineer Engineering Services 2 Everett Regional Distribution Engineer Svcs Mgr 3 OC HL Construction Superintendent 4 OM Meter Dept Superintendent 5 EB Meter Reading Manager 6 02 Standards Routing Everett Regional Engineering Services Route to appropriate Mgr and to Construction Superintendent OPS for review South County Engineering route to Distribution Services Manager and to Construction Superintendent HL for review Other Regional Engineering offices route to appropriate Distribution Services Manager Additionally all variances will be reviewed and approved denied by the District s Standards Department Departments unaffected by the variance may be omitted from this routing list Standards will be the final reviewer of the Variance Request and send a copy of the approved or denied Variance to the appropriate engineer or manager to notify the requestor Standards will file the original variance request and send a copy to the originator Rev 12 24 2013 ELECTRICAL SERVICE REQUIREMENTS Page 2 18 Revised 06 15 2013 New 10 90 Section 2 General Requirements W FORM 2 2 VARIANCE APPLICATION 01 02 2014 File ADM 3 2 ESR Rev 12 24 2013 PUBLIC UTILITY DISTRICT NO 1 OF SNOHOMISH COUNTY VARIANCE APPLICATION FOR DEV
7. _____________________ Date ___ ___ ___ Standards ____________________________ Date ___ ___ ___ Requesting Customer Notified By _________ Date ___ ___ ___ Variance Request Approved Yes No Conditional on performing The following requirement s Section 4 Underground Service ELECTRICAL SERVICE REQUIREMENTS Page 4 41 New 10 90 Revised 06 15 2013 O VAULT ROOMS Customer furnished transformer vault rooms shall be submitted to and approved by the District prior to construction in full compliance with NEC Article 450 41 through 450 48 for each individual installation and in accordance with the minimum requirements listed below 1 The size of the transformer s shall determine the size of the vault size of oil entrapment sill or sump access size and amount of ventilation required 2 A oor drain or sump shall be provided if there is a possibility of water entering the vault Such drainage shall be located so that oil spillage cannot enter it 3 The vault walls oor and ceiling shall be solid concrete 4 The room shall be illuminated by permanent xture s with a switch inside next to the latch side of the door with a minimum of 10 foot candles per square foot A power outlet shall also be provided in the room 5 Permanent transformer lifting eyes in the ceiling shall be provided 6 3 hour re door s shall be provided in accordance with NEC 450 43 and a heavy duty panic bar exit device Prec
8. ision No 4R0FL5103 603 703A or 808A trim and heavy duty automatic door closure Stanley No D 4550 Std shall be installed on the door s Key boxes and or other panic bar and automatic door closures from alternate manufacturers are not acceptable The door shall open towards egress of the room During the construction phase the panic bar exit device shall be equipped with a BEST Access Systems construction core on the outside of the door When the vault room is ready to be energized the District will furnish and change the construction core out to a District s P tumbler series which will then accept only the District s master P series key The locking system shall limit access to quali ed District employees only and not allow access to unquali ed individuals WAC 296 307 36230 For lock automatic closure and exit bar device information contact Contract Hardware Inc Attention Lynne Hufstedler 12100 NE 195th St Suite 250 Bothell WA 98011 Phone 1 206 298 4770 Fax 1 206 298 4777 7 The owner and his her agents and or the homeowners association of the building shall be responsible to install retain and maintain the District s required BEST knobset panic bar exit device and automatic door closure for the life of the service to the premises or the electrical service to the building will be subject to disconnection Should any maintenance or replacement of this customer owned equipment be necessary an authorized District emp
9. loyee shall assist the customer with the work 01 02 2014 Section 4 Underground Service Page 4 42 ELECTRICAL SERVICE REQUIREMENTS New 10 90 Revised 06 15 2013 8 The District shall furnish and install a sign on the exterior door stating Electrical Vault Room In multiple unit complexes the customer shall provide building identi cation signage 9 It is the customer s responsibility to insulate transformer vault rooms so that sound or transmitted vibration to other areas of the building are minimal Transformer vault rooms must meet or exceed requirements of the applicable laws and noise ordinances of the Washington Administrative Code 10 Foreign pipes and ducts shall not enter or pass through transformer vaults NEC 450 47 P MAINTENANCE Maintenance of District Owned Underground Service Conductors The District will not charge for normal maintenance of underground service If a fault occurs in a conductor as a result of improper back ll or dig in damage caused by a customer or contractor charges for repair will be determined by the District s Claims Department and billed to the responsible party Q INCREASING CAPACITY EXISTING VAULT LOCATION 1 When adding secondary feeds to an existing energized padmount transformer secondary handhole or pedestal stop outside the vault and provide 20 of excess conductor and a work hole 3 foot wide x 3 foot deep x 4 foot back from vault for District personnel
10. ss days or more than ten business days before the commencement of excavation or trenching to allow for the location of existing underground utilities by their representatives RCW 19 122 030 Contact the appropriate utility if conflicts occur FIGURE 4 21 Section 5 Meters and Service Entrance Equipment ELECTRICAL SERVICE REQUIREMENTS Page 5 15 New 10 90 Revised 06 15 2013 E METER ROOMS 1 A minimum of seven or more metered services are required before a meter room will be allowed At least seven active meters must be set and the required lockset must be installed BEFORE the building will be energized 2 Permanent labeling of service identi cation is required Refer to Section 2 E and 5 E 3 When a metering room is requested a oor plan shall be submitted to the District for approval in the design stage and prior to any construction or wiring WAC 296 46B 230 4 The meter room shall be dedicated and secured for electrical equipment and never used for storage 5 The meter room shall not be installed above or below the ground level of the building and shall be accessible through a single exterior door on the exterior lines of the building 6 Safe access must be provided to the exterior door without having to enter or go through such areas as parking garages hallways breezeways stairways or other such interior building lines 7 The only access to the Meter Room shall be from the exterior ground le
11. vel lines of the building via a minimum 2 8 x 6 8 solid core door installed with a heavy duty BEST knobset Series 83K7D4D_ 626 SPN or Series 93K7D15D _ 626LM from BEST Access Systems The use of a key box is not acceptable In the event a panic bar device and or a door closure is installed a heavy duty panic bar exit device Precision No 4R0FL5103 603 703A or 808A trim and heavy duty automatic door closure Stanley No D 4550 Std is required Panic bar and automatic door closures from alternate manufacturers are not acceptable The locking system shall be furnished and keyed with an SP tumbler series core which will accept the District s master key The locking system shall not allow common access to unauthorized individuals For lock information contact Contract Hardware Inc Attention Lynne Hufstedler 12100 NE 195th St Suite 250 Bothell WA 98011 Phone 1 206 298 4770 Ext 109 Fax 1 206 298 4777 8 The owner and his her agents and or the homeowners association of the building shall be responsible to install retain and maintain the District s required BEST knobset and passage key system for the life of the service to the premises or the electrical service to the building will be subject to disconnection 9 The customer owner shall furnish and install and maintain a permanent sign on the exterior door stating Electrical Room and provide building identi cation in multiple unit complexes 01 02 2014 Page 6 16
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