HomeMy WebLinkAboutPublic Works Annual Report FY 071 DIVISION OF PUBLIC WORKS
FY 2007
WATER SUPPLY & DISTRIBUTION
In Fiscal Year 2007, the following were installed as part of the North Andover Water
Distribution System: 5,679 feet of eight-inch water main, and 180 feet of six-inch water main;
plus 1 twelve-inch gate valve, 10 eight-inch gate valves, and 19 six-inch gate valves; and 23 fire
hydrants.
The water distribution system now consists o£ 146.90 miles of main pipe; 6 twelve-inch, 2 eight-
inch, and 1 six-inch check valves; 4 twelve-inch altitude valves; 5 twenty-four-inch butterfly
valves; 538 twelve-inch, 4 ten-inch, 1069 eight-inch, 1847 six-inch, and 4 four-inch gate valves;
and 1477 public hydrants.
SIZE OF PIPE (INCHES) 24 12 10 8 6 4 3
LENGTH OF PIPE (FEET) 1917 271,026 7615 400,894 86,873 684 160
There were installed in 2006-2007 either wholly or partially, 140 water services. Seven
damaged fire hydrants were replaced and 12 water main breaks or leaks were repaired.
Hydrants were inspected, repaired, flagged, and painted where necessary.
STATISTICS RELATING TO DISTRIBUTION SYSTEM
1. KIND OF PIPE CAST IRON AND DUCTILE IRON
2. SIZES 3"TO 24"
3. EXTENDED DURING THE YEAR(FEET) 5,679
4. DISCONTINUED (FEET) 576
5. TOTAL NUMBER OF HYDRANTS ADDED DURING THE YEAR 23
6. TOTAL NUMBER OF HYDRANTS NOW IN USE 1,477
7. NUMBER OF STOP GATES NOW IN USE 3467
8. NUMBER OF STOP GATES SMALLER THAN 4 INCHES 0
9. NUMBER OF BLOWOFFS 6
10. RANGE OF PRESSURE ON MAINS 20 TO 148 PSI
11. KIND OF SERVICE PIPE CEMENT LINED,LEAD LINED, COPPER,
CAST IRON,DUCTILE IRON
12. SIZE OF SERVICE PIPE 3/4"TO 10"
13. NUMBER OF SERVICE TAPS ADDED THIS YEAR 140
14. NUMBER OF SERVICE TAPS NOW IN USE 7,409
15. NUMBER OF METERS INSTALLED 472
In fiscal year 2007, developers for private subdivisions extended the town's water distribution
system. Our existing water main was extended from Turnpike Street into Sandalwood Lane to
service a 40B project known as "The Meadows" on the Middleton Town Line. Water main was
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also extended to service another private development called "Old Salem Village" off Turnpike St
near Sullivan Street. Within Old Salem Village, new 8-inch water mains were installed in
Hepatica Drive and Mayflower Drive. A small 4-lot subdivision called "Red Gate Lane"
extended 500 feet of new 8-inch water main off Salem Street near Blue Ridge Road.
Funding was approved for our next water main replacement project in the spring Town Meeting.
New water mains will be installed in Chestnut Street, Margate Street, Clark Street, Tolland Road,
Harwood Street and Wood Lane off Andover Street. The project will help us with our goal to
eliminate all unlined cast iron pipe from the distribution system.
Funding was approved for our next Meter Replacement Project, Phase IV. Nearly 1,000 old
water meters will be replaced with the new radio-read type meter. The project will help us with
our goal of a complete radio-read metering system.
DRINKING WATER TREATMENT PLANT, PUMPING
STATIONS, AND WATER STORAGE FACILITIES
Months Million Gallons (MG) Finished Water Pumped
July 2006 118.5888
August 122.8166
September 89.2011
October 78.0959
November 68.6040
December 2006 73.0906
January 2007 70.6204
February 62.7222
March 69.2480
April 67.113 9
May 90.6189
June 07 115.8831
TOTAL 1026.6035
Average daily consumption 2.8126 MG/day
Max day pumping, June 29, 07 5.5545 MG
Largest pumping week:
June 24th thru 30th, 2007 33.7559 MG's
In July the Bear Hill 3.5 million-gallon Potable Water Storage tank#1 was removed from
service, drained and dismantled in preparation for construction of the Town's new 2.2 million
gallon concrete storage tank. This plastic covered & lined in ground basin, has served the
Town since 1987. By February the construction of the new Bear Hill concrete potable water
storage tank was completed and the Department of Environmental Protection, Division of Water
Supply granted approval for it to be put into service. This new concrete structured tank is the
first of two that will greatly improve the Town's water quality by protecting it from natural
elements and vandalism. The construction of this new tank corrected elevation differences that
existed between Sutton and Bear Hill Storage sites, thus eliminating the need for an additional
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pumping station. The distribution system, which includes the Bradford Standpipe, is now one
pressure system, meaning all tanks fill to the same height and pressure range. Other
improvements here include new facilities for chlorination, sampling, level monitoring and
security breach alarms.
Once the new Bear Hill Storage Tank was on line, construction began on the other new storage
tank at Sutton Hill. The Sutton Hill Potable Water Storage Tank being replaced was originally
constructed prior to 1900 and was the oldest storage tank in Town.
In January two new 350 horsepower variable frequency drives were installed on the Finished
Water Pumps to replace old, failing drives. Cost, including installation, was approximately
$54,000.00. These drives save on electrical power and cost as well as provide greater control
over the pumping of drinking water. National Grid reimbursed the Town $23,000.00 for
installing electrical machinery which reduces electrical power.
In June the installation of an 8 ft security fence surrounding the Drinking Water Treatment Plant
was completed.
This past year, drinking WTP operators designed, constructed and mounted a new instrument
panel board for the Laboratory. Instrument plumbing was improved to include flow and
pressure control valves for greater accuracy in the measurement of turbidity, chlorination and
pH.
The results of improved filtering conditions saving the Town $100,000 by eliminating the need
for changing the Granular Activated Carbon Change within the filters this fiscal year.
In June the Water Treatment Plant sent out over 11,000 educational water quality reports to all
residents of North Andover. The purpose of these brochures is to keep the public informed and
educated about such subjects as the water treatment process, analytical test results, lead in
drinking water, source water protection, water conservation, and contamination from cross-
connections. Educational tours were given throughout the year along and staff members worked
with several students on science projects.
The Water Treatment Plant has finished a two-year program sampling for the protozoans,
Giardia lamblia and Cryptosporidium, in the lake water. We are pleased to report that all samples
were negative for both the protozoans during the whole two-year collection period. This proved
what was already believed that our protection efforts in our watershed are effective.
The Water Treatment Plant received an award for the sixteenth year in a row from the
Massachusetts Dental Society for"excellence in maintaining optimal community water
fluoridation as a recognized scientific public health measure in the prevention of dental decay."
Cross Connection Control Program (CCCP)
The program is ongoing annually in accordance with the Department of Environmental
Protection, Division of Water Supply 310 CMR 22.22 Regulations. The Town's Water
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Department is ultimately responsible for all actions regarding this program to insure that it is
managed and maintained correctly according to Federal & State Laws. No cross connection
violations were detected in FY 07.
SEWAGE COLLECTION & TREATMENT
In North Andover, sewage is designed to flow in three divisions: The East Side Drainage Area
with its trunk sewer roughly following along the shore of Lake Cochichewick, Stevens Pond, and
Cochichewick Brook to the bank of the Merrimack River; the West Side Drainage Area with two
trunk sewers, one on Waverly Road, Mass Ave, Beverly Street and Sutton Street, the other along
the Shawsheen River; and, the Central Drainage Area bounded by Waverly Road, Middlesex
Street, and Main Street to the bank of the Merrimack River. All terminate into the Greater
Lawrence Sewage Treatment Plant.
In FY 07 the following items were installed as part of the North Andover Sewage Collection
System: 910 of 10-inch PVC pipe, 6,384 feet of 8-inch PVC pipe, and 46 manholes. The
sewage collection system now consists of 87.95 miles of sewer main with 5,443 house
connections.
SIZE OF
SEWERS (INCHES) 36 30 27 24 20 18
LENGTH OF 440 5461 4171 18,469 9547 23,992
SEWERS (FEET)
SIZE OF
SEWERS (INCHES) 15 12 10 8 6
LENGTH OF 2889 38,410 11,177 267,713 82,154
SEWERS (FEET)
Developers for private subdivisions extended the town's sewer collection system. J. Derenzo
Corp extended the sewer system into Sandalwood Lane and Harvest Drive off Turnpike Street.
Sewage is pumped from Sandalwood Lane to Turnpike Street. Sewer main was also extended in
Turnpike Street from Berry Street northward to service the Old Salem Village subdivision, which
includes Hepatica Drive and Mayflower Drive.
Funds were appropriated to replace a portion of the Westside Trunk Sewer in Waverly Road
from Greene Street to Turnpike Street. This area has surcharged in the past during heavy rain
events.
A contract to install new sewer lines in the Lake Cochichewick watershed was awarded to L.
Perrina Corp. New sewer lines will be installed in Dale Street from Appleton Street to house
#400, and Great Pond Road from Stevens Street to Fox Hill Road. The new sewer lines will
contribute to water quality protection by eliminating septic systems. Construction will take
place in fiscal year 2008.
Sewer Pump Station (SPS)
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New emergency power generator controls installed at the Saileway SPS to improve operation
during potential power failures.
New pumps were installed at the Alcott Sewer Pump Station to replace pumps nearing their
useful life.
A new level control system at Rea's Pond SPS will eliminate alarms and failures at this location
due to moisture problems in the winter months.
The Bonny Lane Sewer pump station upgrade was completed. This replaced the obsolete air
compressor system with an efficient submersible pump system. It was the last of the compressed
air type station to be eliminated from our system, which improves service and reduces cost of
operation.
For a second year in a row flooding from heavy rain that occurred on Patriots Day storm plagued
the Sewer Pumping Stations. High praise for the Division staff who worked diligently and
professionally to prevent sewerage overflows.
SOLID WASTE COLLECTION AND DISPOSAL
Waste Management of New Hampshire completed the third year of a three-year contract for
collection and transportation of solid waste. A total of 9,592 tons of solid waste was delivered to
the Wheelabrator facility on Holt Road in FY 07. The total was 377 tons less that FY 06, a
decrease of approximately 4.0%.
A new trash hauler, Northside Carting of North Andover, was competitively selected to provide
collection and hauling of solid waste beginning in FY 08.
The enforcement of waste bans on visible recyclables in the trash continued to reduce the overall
tonnage in FY 07. The reduced tonnage in FY 06 saved over $ 25,600.00 in tipping fees.
The fourth annual Earth Day cleanup was a huge success. 200 Volunteers removed 60 cubic
yards of trash from roadways and public areas.
RECYCLING
The Solid Waste Advisory Committee's efforts to promote and enhance recycling continued to
be very successful in the past fiscal year. Programs to improve education and outreach, increase
school recycling volumes, collect all numbered plastic curbside, and not allow visible cardboard
and paper to be placed in the trash have appreciably decreased solid waste tonnage and increased
recycling tonnage.
A total of 2435 tons of paper, glass, tin, aluminum and plastic were recycled in FY 07. The total
was 118 tons greater than FY 06 an increase of 4.8%. The Town received a Municipal
Recycling Grant for $7,275 for recycling calendar mailers, diesel vehicle retrofit, kitchen scrap
buckets, recycling carts, and water conservation devices.
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Approximately 406 residents participated in two household hazardous waste days conducted by
Clean Harbors. The DPW continued to provide bi-weekly curbside recycling collection, bi-
monthly appliance pick-up and operate the DPW garage drop off center for recycling and the Cyr
drop off center for yard waste on Sharpners Pond Road. Fall leaf pickup, spring brush cleanup
and Christmas tree pickup were also conducted in FY07.
STREET & STORM WATER DRAINAGE/FLOODING
MAINTENANCE
Various roads have been repaired using Chapter 90 state funds. These include: Stonecleave Rd.,
Barko Lane, Sherwood Drive, Forest St., Dale St., Great Pond Road, Kieran Rd., and Poplar Rd.
A sidewalk was constructed on Dale Street. Approximately 3,800 feet of Asphalt berm was
installed in various locations. Patching of pavement was done throughout the Town to eliminate
defects and potholes. The shoulder areas along sidewalk and roadway projects were loamed and
seeded.
Eighteen (18) catch basins and manholes were rebuilt as required. Spot drainage repairs were
conducted throughout Town as required. A total of 275 catch basins were cleaned by machine or
by hand.
Over 40 miles of roadside brush was cut. Approximately 80 lane miles of centerline and sideline
as well as all crosswalks were repainted. Over 290 lane miles of roadway were swept of winter
sand.
With assistance from the Community Development Dept., a competitive application was
submitted to Massachusetts Emergency Management Agency (MEMA) for an $80,000 grant to
eliminate storm water inflow into the Rea and Winter St. sewer pump stations service area.
These stations are both located in close proximity to the banks of Lake Cochickewick. The
Town's application was chosen by MEMA and forwarded to FEMA for funding.
Improvements to the Common drainage have been designed and are presently under construction
as part of the Old Center Project. This work will alleviate the standing water problems in the
Common that occur in the spring and early summer. It is anticipated that this work will not be
complete until the late spring/early summer of 2008.
The Mosquito Brook flood remediation plan was begun this past year. This project modified
existing constrictions at culverts in Winter St., Foster St., and Rocky Brook Road.
The Adams Ave drainage project has been designed. This project will install subsurface drains,
catch basins, and manholes in a street that receives runoff from Route 125 and Mass Ave as well
as its own. During heavy rains, road shoulders and front yards washed away due to the volume
of additional flow from other streets. The work will be completed in FY 08.
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The Old Center Project is progressing well. Federal funds from the Transportation Improvement
Program and additional state funds will pay for 3.7 million dollars of the project. The town's
share is approximately $800,000.
The purpose of the project is to improve traffic safety and operations in the old center area. The project
area includes Andover Street from Ira Carty Circle to Johnson Street, Osgood Street from Andover
Street to Bay State Road, Mass. Avenue from Osgood Street to Andover Street, Johnson Street from
Andover Street to Milk Street, Salem Street from Johnson Street to Milk Street, Great Pond Road from
Johnson Street to Stevens Street and Academy Road at the North Parish church. Improvements along
each roadway include full depth roadway reconstruction and widening, complete pavement replacement,
curbing installation, sidewalk construction, drainage system improvements, traffic signal installation,
roadside grading, pavement markings and sign installation, landscaping and landscape architectural
treatments and other incidental work.
Work is ongoing on the roundabout, for the intersection of Mass. Avenue, Andover Street, Great
Pond Road, and Johnson Street, as well as, the other streets in the project. This work includes
improvements to roadway storm drainage and connecting residents to underground utilities. A
fully actuated traffic signal will be installed at the intersection of Osgood Street and Mass.
Avenue. It is expected that the project will be completed in the late summer of 2008.
FORESTRY & TREE MAINTENANCE
Our skyworker bucket truck was active in FY06. A total of 56 trees were pruned,
25 were removed and 1 new tree was planted. 3,028 Christmas trees were chipped in January
and a large amount of brush was chipped during the curbside spring cleanup conducted in April.
Our tree department crews again worked with the various Committees in many ways throughout
the year: Christmas lights were put up in the Old Center Common as well as the downtown area
which made for a wonderful and festive display, flags were put up along Mass. Ave and Main
Street for the 4th of July celebration and veterans day, and wreaths were hung along these same
streets for the Christmas holiday.
PLAYGROUND MAINTENANCE
The playground system consists of Grogan's Field, 4.7 acres; Drummond Field, 5.0 acres;
American Legion Beach, 1.4 acres; Carl Thomas Playground, 4.7 acres; Aplin Playground, 1.8
acres; McEvoy Playground, 4.1 acres, Reynolds Playground 3.0 acres; the Gallagher Field at the
Town Farm 2.5 acres, the Cyr Recreation Area, 10.3 acres and the new Foster Farm Fields 6.0
acres. This brings the total number of acres to 43.5.
The Town and the Rotary Club received funds totaling $45,000, through a Community
Preservation Grants, which allowed the purchasing and installation of playground equipment at
the Aplin and Reynolds Playground. Much of the work was done by Rotary Club volunteers
which is very much appreciated.
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PARKS & SCHOOL GROUNDS MAINTENANCE
The parks area consists of the Center Common, 8.1 acres; training grounds, 1.9 acres; Memorial
Park, 2.7 acres; Old Burying Ground, 1 acre; Historical Society Plot; Farrington Burying
Grounds; and 20 small plots at street intersections — a total of 15 acres. All park areas were
maintained, and mowed an average of once per week. All triangles at various locations were
maintained and mowed.
School ground areas consists of the Bradstreet School, 1.20 acres; Thomson School, 3.00 acres;
Kittredge School, 6.57 acres; Franklin School, 8.77 acres; Sargent School 15 acres; North
Andover Middle School and Atkinson School, 38.34 acres; and the High School, 44.52 acres— a
total of 117.40 acres. Baseball fields, track and field facilities, field hockey, soccer, lacrosse, and
football fields were maintained for competitive school events and for youth and adult athletic
events.
Our thanks to all the volunteer organizations for funding programs and improvements and for
their time and effort in maintaining and improving our playing fields.
Respectfully submitted,
Bruce D. Thibodeau P.E., Director
Division of Public Works
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