Water main repairs Performance StandardVillage of Buffalo Grove
Public Works Department
Performance Standard
Reference Documents:
Section:54l Program:27
WATER MAIN REPAIRS (BEAM BREAK)
Description:
This activity involves the repair of a vertical break (beam break) on a Water main. This requires the
excavation of the Water main and the installation of a stainless steel sleeve around the break This activity is
considered emergency priority and shall be acted on immediately.
EQUIPMENT AND SAFETY GEAR
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Hard hat
Safety shoes
Safety vest
Eye protection
Ear protection
Trench box/Trench shoring
Barricades as needed
Construction signs
Gloves
Rubber boots
MATERIALS
1. Stainless steel full circle clamp
2. Trench fill (if in hard surface)
3. HTH or equal (Chlorine)
CREW SIZE - Four
WORK METHOD
Call JULIE for locates 1-800-892-0123 with site information
Create request/make folder
Call additional men to assist with work
Notify homeowners that water will be turned off, if necessary/issue boil order
Turn water off
Place barricades and construction signs through the work zone
Excavate as needed to get below main
Pump out water/6 inches below pipe
Place shoring box in hole
Prepare water main for clamp
Install clamp
Turn water on and open hydrant closest to break to flush line (valve>break>hydrant)
Check for leaks and backfill
Using Hach kit sample water for chlorine residual (residual must be > O.ZmgA), and collect sample
Make out work order to restore excavation
Follow procedures for boil order if needed
Clean all tools
Backhoe
Dump truck (if in hard surface)
Utility truck
Air compressor (if in pavement)
Valve key
2" pump electric or gas
Lighting
Generator and extra gas can
Hand tools & ladder
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SAFETY PROCEDURES
1. Set barricades and construction signs at each end and through work zone
2. Slope backsides ofhole as needed or place shoring in excavations deeper than 5 feet
3. Hard hat
4. Steel toe shoes
5. Safety vest
6. Eye protection
7. Ear protection
8. Care must be taken when handling chlorine
9. Be careful of slippery mud or icy conditions, salt as needed
Performance Standard: man-hours per occurrence
revised: l0ll7l20l7
reviewed: L010812019
Village of Buffalo Grove
Public Works Department
Performance Standard
Reference Documents:
Section:S4l Program:28
VAI,VES EXERCISET)
Description:
This activity involves exercising each valve in the distribution system once each year. Closing and opening
the valve will loosen any build-up on the valve stem and gates. This procedure determines ifthe valve
operates correctly and if there are any leak at the packing plate.
EQUIPMENT AND SAFETY GEAR
1. Truck
2. Valve key
3. Manhole hook
4. Valve turning machine
Hard hat
Safety vest
Safety shoes
Safety cones if required
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MATERIALS
CREW SIZE - One/Two
WORK METHOD
Remove manhole cover
Use Wachs valve turner
Close valve
Count number of turns to close valve and rccord
Open valve
Inspect frame and valve vault
Put on repair list (if needed)
Replace manhole cover
Visually inspect packing bolts, bonnet bolts and top tuming stud
Paint the pick hole
SAFETY PROCEDURES
1. Place safety cones and traffic control construction signage
2. Lift manhole cover off with manhole hook
3. Set cover to side, out of the way while exercising valve
4. Reset cover after procedure is complete
Performance Standard: man-hours
revised: 11/16/2011
reviewed: 10/08/2019
Village of Buffalo Grove
Public Works Department
Performance Standard
Reference Documents:
Section: 541 Program: 29
VALVES R.EPAIRED/MAINTENANCE
Description:
This activity involves the repair of leaking valves usually requiring the re-packing of main valve stem. This
activity will normally be scheduled after all valves are exercised. -- Replacing zinc bolts with stainless steel.
EQUIPMENT AND SAFETY GEAR
1. Utility truck
2. Wrenches
3. Valve key
4. 2" pump (if needed)
5. Generator (if needed)
6. Compressor
7. Drill Wbits
8. C-clamps
9. Manhole tent (if needed)
Hard hat
Safety glasses
Barricades
Directional arrow (if needed)
Safety harness
Safety cones
Gas, oxygen tester
Fall protection
Air tools
Ventilator (if needed)
Confined space entry permit
Rain gear
Magnetic flashlight
MATERIALS
Packing, 0 rings
Nuts
Bolts
Valve stem
Follower plate (packing plate)
Gaskets or gasket material
CREW SIZE - Varies
WORK METHOD
1. Remove manhole cover
2. Pump water out of manhole (if needed)
3. Check air in manhole with a gas oxygen tester
4. Access valve vault and inspect vault
5. l.ower wrenches into manhole
6. Inspect valve (inspection includes bonnet bolts, packing bolts and top nut). Change
to stainless steel ifthey are not already
7. Notify residents in the area that water will be turned off (if required)
8. Remove follower plate bolts
9. Remove follower plate
10. If follower plate is cracked replace with a new plate and bolts (if stem bent or broken or gate is bad)
Note: valve should be in the middle before packing plates/bolts are tightened down.
1 1. Turn water off if work on valve cannot be done without isolating valve
72. Remove valve bonnet bolts
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Remove valve stem and gates if needed
Clean out gate seat
Replace bad parts with new parts
Replace valve bonnet
Turn water back on
Test valve by closing and opening
Check valve for leaks
Collect and account for all tools
Replace manhole cover
Take measurement of water main depth - mark in asset notes (depth, type, size)
Paint lid, sidewalk, and street with blue paint
Take picture of valve vault and overall location of the valve
Complete confined space entry permit
Make work order
Follow procedures for boil order if needed
SAFETY PROCEDURES
1. Safety toe shoes and hard hat required
2. Set up barricades, cones and signage
3. Use directional arrow on vehicle or arrow board if required
4. Lift manhole covers in a safe manner to prevent injury to back, fingers and legs
5. Check manhole steps before entering
6. Keep one man on top at all times and keep radio on
7. Follow procedures for Confined Space Entry Section X11 of the Village of Buffalo Grove Safety/I-oss
Prevention Policy
Performance Standard: man-hours per valve repaired
revised: 0lllll20l9
reviewed: 0lllll20l9
Village of Buffalo Grove
Public Works Department
Performance Standard
Reference Documents:
Section: 541 Program:31
HYDRANT FLUSHING
Description:
This activity involves the flushing of all fire hydants on the distribution system annually. This activity
includes the inspection ofthe hydrant, operation, clean and lube ofthe port nozzle caps and stem. Every year
pressures and flow checks will be completed on the system to updae hydrant flow information. Pressure
checks will be done on every 25th hydrant. Each year move to the next hydrant in order. Flow checls
annually. Use the sample site map of 50 zones. Residential area - one per zone. Commercial area - one per
street. Each year move to the next hydrant in the order.
EQUIPMENT AND SAFETY GEAR
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Truck
Hydrant signs
Hydrant hose
Hydrant wrench
Hydrant board
Pitot pressure gauge
Pressure gauges
Valve key
Some hand tools
Manhole hook
Hydrant bags
Map book
Flushing sheets
Flushing defuser
Safety vest
Safety toe shoes
Safety glasses
Gloves
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MATERIAL
N/A
CREW SIZE - One
WORK METHOD
1. Start from Well House #7 and flush hydrants north to east, then south to complete the
lake County area to Pumping Station #1. Continue from Pumping Station #1 and flush
hydrants south to east until every hydrant has been opened and flushed.
2. Open 4 1/2 inch port
3. Hook up defuser hose to hydrant
4. Open hydrant all the way slowly
5. Flush until water is clear
6. Close hydrant slowly
7. When pitot pressures for flow are being recorded flow 4 ll2 inch port
8. Connect pitot defuser to 4 ll2 inch port. Then turn on hydrant all the way
9. Record gauge reading
10. Turn hydrant off slowly
11. Make sure hydrant drains
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Inspect hydrant for leaks
When checking area pressures, use the port PSI gauge
SAFETY PROCEDURES
1. Use directional arrow on truck
2. Use truck diffuser or hydrant board to block flow of water when flushing hydrants
along high traffic areas and heavy landscaped areas
Performance Standard: man-hours/hydrant flushed
revised: L0ll6l20l9
reviewed: 1011612019
Village of Buffalo Grove
Public Works Department
Performance Standard
Reference Documents:
Section:54l Program:34
HYDRANT REPI-ACE
Description:
When a fire hydrant has become inoperable and cannot be repaired, the fire hydrant shall be replaced. If the
auxiliary valve is obsolete, replace.
EQUIPMENT AND SAFETY GEAR
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Service truck
Water pump
Front end loader/backhoe
Ladder
Chain
Shovels and hand tools
Valve key
Hook
Hard hat
Safety toe shoes
Safety vest
Traffic control devices
Gloves
Safety Glasses
MATERIALS
Hydrant
Valve
Valve box
C,oncrete for thrust block
Gravel
CREW SIZE - Three
WORK METHOD
Call JULIE for locates 1-800-892-0123
Set out barricades and cones as needed.
Notify residents water will be off
Turn water off at main
Excavate area around hydrant to main
Remove hydrant and valve with backhoe and chains
Install new hydrant and valve
Put gravel around base of hydrant for drainage and thrust blocks
Turn water on slowly and check for leaks
Install valve box and bacKill
Operate hydrant and record information on hydrant card
Make out work order to landscape area
Follow procedures for boil order (if needed)
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SAFETY PROCEDURES
1. Set up barricades and cones as needed
2. Hard hat
3. Safety toe shoes
4. Safety vest
5. Have hydrant lowered in hole before worker enters
6. Place shoring in excavations deeper than 3 feet
Performance Standard: man-hours per hydrant replaced
revised: 11116120ll
reviewed: 1011512019