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CONTACTS:
Municipal Light Plant 781-235-7600
Office Assistant, ext 3385
Building Department 781-431-1019
Wiring Inspector, ext 2222
GENERAL:
The Wellesley Municipal Light Plant (WMLP) issues this policy in order to communicate to its customers, builders, contractors, engineers and any other entity upgrading existing or installing new electric services its requirements for electric services. Revisions of this policy will be made as necessary and the WMLP reserves the right to make any such changes.
All new electric service cable installations or electric service cable upgrades must be installed underground in PVC Schedule 40 Gray, UL listed electric conduit. The electric meter must be located on the outside of the building, at a location approved by the Wellesley Municipal Light Plant and at a height between twenty four (24) inches and sixty (60) inches above finished grade.
The WMLP will provide, deliver and install the service cable at the customer's expense. The WMLP will own and maintain the service cable and our meter under normal rated use at no charge to the customer. Meter or cable damage due to negligence, physical abuse or exceeded rating will be repaired or replaced by the WMLP at the customer's expense.
APPLICATION:
An for new or upgraded services must be completed and signed by the property owner or an authorized agent prior to any WMLP work. Sheet two of the Application for Electric Service must be completed for all new services and any upgrade to 400 amps or greater. Once an application is received WMLP staff will examine the job site, prepare a sketch detailing the conduit trench route and meter location and prepare a cost calculation. Under normal circumstances, the WMLP will make the sketch and cost available to the customer within two (2) weeks of the date of application. Conduit installed prior to receiving WMLP sketch may be subject to relocation at the installer’s expense.
An invoice for the WMLP work will be mailed to the applicant or owner of the property, and will be valid for ninety (90) days. Upon receipt of payment and trench inspection work will be released for scheduling.
TheApplication for Electric Service must include the name and address of the person that will be responsible for paying the Electric bills. If the customer is new to the Wellesley Utility Billing System, they must see Customer Service, also located at 455 Worcester Street to fill out an Application for Utility Service. This also applies to Temporary Services.
CONDUIT:
The customer is responsible for hiring an excavation contractor and to pay the costs of any trenching, conduit installation, paving and required permits. All work in the public way must be performed in accordance with the Town of Wellesley, Department of Public Works, Engineering Division, Utility and Work in the Public Way Rules and Specifications Regulating Street Excavations, Obstructions and Driveway Aprons as amended from time to time.
The conduit installed must be four (4) inch PVC Schedule 40, Gray, UL listed electric conduit unless agreed upon in writing by the Superintendent or his designee. The customer shall be responsible for the purchase and installation of the conduit. The trench and installed conduit must be inspected and approved by the WMLP before back filling. Twenty-four hour notice is required to schedule a trench inspection.
The conduit will be continuous and run from the building foundation to a manhole or utility pole.
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Utility pole - When the conduit is to terminate at a utility pole, the WMLP will supply ten (10) feet of four (4) inch flexible conduit that shall be butted up to the base of the pole at a location marked by the WMLP staff. The flexible conduit will be installed such that it terminates four (4) inches above finished grade and sweeps away from the pole similar to a twenty-four (24) inch radius sweep and connects, with an approved connector, to the four (4) inch PVC Schedule 40, Gray, UL Listed Electric conduit. |
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Manhole - When the conduit is to terminate in a manhole DO NOT attempt to enter the manhole or break into the manhole wall because serious injury may result. It is the contractor's responsibility to provide the WMLP at least three business days notice to have a WMLP construction crew available to assist the contractor in terminating the conduit |
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Building - Where the conduit terminates at the building, the contractor shall supply a four inch PVC Schedule 40, Gray, UL Listed Electric conduit sweep with a minimum bend radius of twenty four (24) inches. The conduit shall be installed such that it terminates four (4) inches above finished grade on the outside of the foundation at a location determined by the WMLP staff. If a conduit reducer is to be installed it must be installed after the WMLP installs the cable. |
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One continuous (no splices) piece of three sixteenth (3/16) inch nylon or poly rope pull line is required to be installed the entire length of the conduit. A conduit cap shall be installed at each end of the conduit to prevent dirt from entering the conduit. |
It may be appropriate to plan for underground telephone and/or CATV conduit to be installed before the trench is back filled. Please contact those companies for their requirements.
The conduit shall be installed at a minimum depth of twenty-eight (28) inches below finished grade. The conduit run shall be as straight as possible, with no single bend greater than ninety degrees (90°). The Superintendent or his designee must approve any combination of bends greater than one hundred and eighty degrees (180°).
Under certain circumstances the WMLP will require the conduit to be encased in concrete.
CABLE DELIVERY AND INSTALLATION:
Upon receipt of payment and trench inspection service will be released for scheduling. Scheduling lead-time will vary depending on current WMLP workload, size and type of service and weather. Call the WMLP for current scheduling information. After installation of the service cable, the electrician can install the cable on the side of the house in an appropriately sized conduit and make the electrical connections in the meter socket, which he/she has provided and installed.
WIRE INSPECTION:
The Town Wire Inspector must approve the electrician's work before final arrangements can be made for WMLP to install the Meter and Connect the new service (M & C). The Town Wire Inspector can be contacted at the Town Hall, telephone number 781-431-1019, extension 2222. The Town Wire Inspector will advise the WMLP when the inspection has been approved. Then it is required that the electrician contact the WMLP, telephone number 781-235-7600, extension 3385, twenty-four (24) hours in advance to coordinate the M & C.
SERVICE DISCONNECT AND RECONNECT:
Arrangements for disconnecting and reconnecting power to accommodate house service installation or upgrades can be made by contacting the WMLP at least 24 hours in advance. Disconnects and reconnects will be made weather permitting, no work will be performed in inclement weather. DO NOT attempt to disconnect power from a pole or manhole, serious injury may occur. WMLP crews will disconnect and reconnect all services free of charge.
WMLP Supervisory personnel reserve the right to make changes as deemed necessary.
RESPONSIBILITIES:
WMLP
1) |
Design and layout of electrical facilities including trench, transformers, cabinets, handholes, conduit, street crossings, metering, and conductors. |
2) |
Designating the point of delivery and the meter location. |
3) |
Making all connections at transformers and handholes. |
4) |
Install meters |
5) |
Provide and install service lateral conductors at customer's expense. |
6) |
Inspection of items to be furnished/ installed by Customer (trench, conduit, backfill, pull line, meter socket). |
7) |
Provide flex conduit for installations where conduit terminates at pole. |
8) |
Own and maintain electric service cable after installation. |
Customer
1) |
Complete and sign an application for Electric Service. |
2) |
Arrange for the contractor and/or electrician and/or owner to meet at the site with the WMLP staff. |
3) |
Complete sheet two of the Application for Electric Service for all new services and upgrades to 400 Amps or greater. |
4) |
Provide all trenching, backfilling, and conduit as per WMLP specifications and design layout. |
5) |
Provide concrete pads for all pad-mounted equipment as per WMLP specifications. |
6) |
Provide and install meter socket(s) for permanent service as per WMLP specifications |
7) |
Provide trench, conduit with pull string, and backfill for service lateral from pole, transformer or handhole to point designated by WMLP. |
8) |
Make source side connections at meter(s) at the top of the meter(s). |
9) |
Pay all required charges. Work will not be scheduled until payment is received. |
10) |
Call a few days in advance of your needing a WMLP trench inspector to approve the work before you backfill the trench. The same advance notice is required for the pad and/or the ground grid inspection before concrete is poured. |
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Obtain a municipal wiring inspection for your electrical work. Make sure the inspector has called the approval in to WMLP. |
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When the above steps are completed, we will schedule our work for energizing your service.
Please download the attached Application for Service Upgrade and submit to the Engineering Department of the Municipal Light Plant. |
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