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The city can change the normal pool elevation of the lake, but it must be done in conjunction with a project to re-design the principal spillway. In our experience, Safe Dams will not allow the city to leave the siphons in and use them as the new principal spillway. They are fine for an emergency situation, as exists now, but are not a permanent solution.
All dams must have spillways that pass the extreme storm event, and Lake Berkeley’s spillway performed well during the September 2009 storms. The problem is the internal drainage system, a component that every dam of this size must have to function properly. We believe it has become clogged and is not intercepting the groundwater that is flowing through the dam. That, combined with the saturation of the fill embankment during the storm event caused the failures.
A separate electrical, plumbing, or HVAC permit may be needed for individual plumbing, electrical or HVAC projects such as replacing a water heater, adding electrical outlets, or replacing a furnace or air conditioning unit. A homeowner is allowed to run electrical, HVAC and plumbing lines as the homeowner without a trade license as long as an owner's affidavit is submitted with the permit application. If the homeowner chooses to hire a sub-contractor to do the work, the sub-contractor must provide a copy of his valid business license and master trade license with the permit application. Take me to Permit Applications.
Coyotes breed in January and February. The gestation period is about two months. One plausible explanation for the recent increase in sightings is that a coyote pair may have settled in nearby neighborhoods to birth and raise their litter.
If this happens, they will establish the immediate vicinity as their primary hunting area to feed and rear their young (typically five to seven pups).
As a result, you can't assume that just because it is daylight, it is alright to let your pets out. Also, since they have no natural predators here, coyotes can rest or sleep just about anywhere (such as under a hedge), day or night.
Coyotes have natural tendencies, but can also be completely unpredictable. The only safe course is to keep your pets indoors and on a leash when outside.
Additionally, when a person comes into contact with a coyote it is important to engage in an activity that promotes the coyotes fear of humans.
Neither the Georgia Department of Natural Resources (DNR) nor the Gwinnett County Animal Control has the resources to remove coyotes. They provide two different avenues for controlling the coyote population: trapping / hunting and prevention.
Trapping / HuntingThe Georgia DNR has a list of private trappers who are licensed and qualified to trap and remove animals based upon the requirements in State law.
PreventionFor information on preventing coyotes from frequenting your area, please view Coyote Prevention.
You also want to be prepared to “shelter in place” for 3 days. (For example, a big snow storm.) To shelter comfortably, you will want to have the basics: 1 gallon of water per person per day, food and manual can opener, a week’s supply of prescription medication, battery powered radio with extra batteries, extra batteries for hearing aids or other assistive devices, flashlight with extra batteries, a list of contacts with family members, friends, doctors, and first aid supplies. If you have a hearing loss, you may also want to consider purchasing a close captioned battery operated TV should your power go out. Any items you normally use that you would need for 3 days should an emergency occur should also be included. If you have a pet, you will need 3 days supply of food and water for each pet. Should you have to evacuate, these supplies should go with you. More extensive lists and information can be found on websites dealing with preparedness, such as www.ready.gov
It is also a very good idea to have a “go bag” ready in case you have to evacuate either your home or work place. This small bag could include those personal items you would need if you had to leave without any notice as well as copies of financial records, pet’s veterinarian records, extra keys for house and car, cash, spare glasses or other special needs items, such as medications, batteries for assistive devices and copies of family documents.
For sheltering longer than 3 days, or if you have to evacuate, you may also want to include blankets and bedding, garbage bags, extra sets of clothes, pet carrier, litter, bags, water for pets, and personal hygiene items with the go bag items.
Ask your supervisor for the company’s emergency plan and make sure you understand fully what their plans and policies are. You may also want to plan and practice an evacuation if the company does not routinely offer drills.
If you have to evacuate and will need assistance, make sure you plan with a co-worker or two in advance so they can provide assistance.
Borrow material for the dam construction must be identified by the contractor and tested by the City’s engineer prior to use on the site. If landowners have sites that they want considered, they should contact the prequalified contractors during the bidding process to discuss individual properties. Land Disturbance permits must be obtained from the local jurisdiction prior to beginning construction.
The Berkeley Lake Homeowners' Association owns and is responsible for the lake, picnic area, gabion spillway, and beach.
The City of Berkeley Lake rents the parking lot adjacent to the dam to the Berkeley Lake Homeowners' Association for $100 per year. The BLHA is responsible for maintenance of the parking lot adjacent to the dam as tenant.
The Berkeley Lake Homeowners' Association is responsible for removal of sediment from the lake.
Scott Lee, Council Member, City of Berkeley Lake: City Council Liaison to BLHA
Rich Edinger, City Engineer, City of Berkeley Lake/Clark Patterson Lee: Interface with Georgia Safe Dams Program and geotechnical engineering firm.
Gene Rodgers, Ordinance Enforcement Officer, City of Berkeley Lake: Enforces City ordinances.
Chip McDaniel, President, BLHA: Coordinates information and communicates to BLHA membership via BLHA website, email and newsletter.
Randy Kirkus, Watershed and Development, BLHA: Coordinate information and communicate to BLHA Board of Directors regarding development, stormwater impacts to Lake Berkeley and sediment removal activities.
Residents, Community Support: Stay informed regarding current progress by accessing City and BLHA websites. Direct additional inquiries to appropriate contacts.
Inventorying all existing and proposed dams over 25 feet tall or with a 100 acre-feet of storage at the top of the dam.
Re-inventorying existing low hazard (Category II) dams at least every five years.
Classifying dams based on development within the dam failure flood zone downstream.
Approval of plans and specifications for construction and repair of all high hazard (Category I) dams.
Continuously monitoring Category I dams for safety.
Earthen slopes can develop a cut-spherical weakness area. Slips along the weakness area sometimes occur after a period of heavy rain, when the pore water pressure at the slip surface increases, reducing the effective normal stress and thus diminishing the restraining friction along the slip line. This is combined with increased soil weight due to the added groundwater.
The SDP has taken many legal actions against dam owners for failing to properly maintain their dams. The state attorney general’s office provides them with litigation support.
Typically, the SDP gives owners the choice of repair or removal, and they require that owners provide them with progress updates. For example, they would give a deadline for an owner to hire an engineering firm and then require them to show them that a contract had been executed. They then set deadlines for certain milestones to be reached. If progress stalls, new legal action is taken.
The blanket drain is not as extensive as originally thought.
Embankment material is not compacted as well as it ought to be.
There is a shallow phreatic surface.
The dam is only marginally stable. It does not have the factor of safety that a high hazard dam should have.
The embankment must be safe against overtopping of the inflow design flood by the provision of sufficient spillway and outlet works capacity.The slopes of the embankment must be stable during construction and under all conditions of reservoir operation, including rapid drawdown of the reservoir.The embankment must be designed so as not to impose excessive stresses upon the foundation.Seepage flow through the embankment, foundation, and abutments must be controlled so that no internal erosion takes place and so there is no sloughing in the area where the seepage emerges. The amount of water lost through seepage must be controlled so that it does not interfere with planned project functions.The embankment must be safe from overtopping by wave action.The upstream slope must be protected against erosion by wave action, and the crest and downstream slope must be protected against erosion by rain and wind.
An embankment designed to meet the above criteria will prove safe provided proper construction methods and control are achieved.
Perspective on 40,000 cubic yards: If you took an area 850 feet long (about the length of the dam) by 100 feet wide and filled about 13 feet – that would equal about 40,000 cubic yards.
Coffer Dam - Temporary structure enclosing all or part of a construction area, so construction can proceed in a dry area. A "diversion coffer dam" diverts a river into a pipe, channel, or tunnel.
Crest of Dam - The elevation of the uppermost surface of a dam excluding any parapet wall, railings, etc. In international usage, it refers to the crown of an overflow section of a dam.
Crest Width - The width or thickness of a dam at the level of the crest of the dam. In general, the term "thickness" is used for gravity and arch dams and "width" is used for other dams.
Filter (Filter Zone) - A band or zone of granular material that is incorporated into a dam and is graded (either naturally or by selection) so as to allow seep water to flow through the filter to a drain layer without allowing the migration of fine material from the protected zone to the drain layer.
Grout Curtain (Grout Cutoff) - A barrier produced by injecting grout into a vertical zone in the foundation parallel to the dam centerline to reduce seep rates under a dam.
Inclinometer - An instrument, usually consisting of a metal or plastic tube, inserted in a borehole and a sensitized monitor either lowered into the tube or fixed within the tube. This measures at different points the inclination of the tube from the vertical. The lateral position at different levels of the tube may be found by integration relative to an assumed fixed point, usually the top or bottom of the tube. The system may be used to measure settlement.
Rip Rap - A layer of stones, broken rock or precast blocks placed in random fashion on the upstream slope of an embankment dam, on a reservoir shore or on the sides of a channel as a protection against waves, ice action and flowing water. Very large rip rap is sometimes referred to as armoring.
Seep - The interstitial movement of water that may take place through a dam, its foundation, or its abutments.
Slope - The side of a hill or mountain, the inclined face of a cutting, canal or embankment or other inclination from the horizontal. In the United States, it is measured as the ratio of the number of units of horizontal distance to the number of corresponding units of vertical distance. The term is expressed as a percent when the slope is gentle, in which case the term "gradient" is also used.
Spillway - A structure over or through which flood flows are discharged. If the flow is controlled by gates, it is a controlled spillway; if the elevation of the spillway crest is the only control, it is an uncontrolled spillway.
Toe of Dam - The junction of the downstream face with the ground surface.
Temporary non-illuminated directional signs that direct traffic to a property for sale are permitted but must be located within two miles of the property to which they refer, as measured along existing streets. Such sign shall not exceed four square feet and must be no taller than six feet. Such signs, if located on the same street and referring to the same property, must be separated by 1,000 feet. Such signs must be located ten feet from the edge of pavement of any street and may not be located within a public right-of-way.
In order for council to arrive at the appropriate millage rate they must know the following:
(A) A dollar figure answer to the question, "how much money do we need to balance the budget?"(B) A dollar figure answer to 'how much is all of the property in the City of Berkeley Lake worth(fair market value), multiplied by 40% (assessed value)?"
(C) is the millage rate. Divide (A) by (B) to arrive at (C).
Approximately 90 days before septic servicing is due the owner will receive a letter advising of the upcoming deadline for service. That letter will include the needed forms.
Approximately 30 days before septic servicing is due the owner will receive a second notice advising more urgently of the rapidly upcoming deadline for service. The Septic Tank Inspection Form and the Statement of Inspection and Service form will be Included with that notice. Checklist and forms.