A. General: All work and material shall be in accordance with Village ordinances and with current "Standard Specifications for Water and Sewer Main Construction in Illinois", latest edition, and the AWWA, American Water Works Association. In case of conflict, the Village Engineer shall be contacted to confirm which is correct.
The Village desires commodity standardization for all applicable items with economic use of function including standardization of application, simplification of design, maximum interchangeability of components and parts, minimum required spare parts, etc. Component items of use in a water distribution system are included below.
B. Water Main: Public water mains shall be constructed across the entire frontage of all lots, unless otherwise approved by the Village. All lots shall have direct access to a public water main. No water service shall run across another lot or connect to another water service. All water mains shall be looped and all areas of a development shall be double fed, unless approved otherwise by the Village Engineer. Subdivisions shall have a minimum of two (2) connections to the existing Village water distribution system. Water main shall extend to all property corners and/or key connection points for future or existing water main connections. Water mains shall be a minimum of eight inches (8") internal diameter with a cover of five feet six inches (5'6") minimum below finished grade.
Village water mains and hydrants shall be placed on the north and west sides of the streets unless approved otherwise by the Village Engineer.
All water main shall be ductile iron pipe Class 52 with either mechanical or push on joints and shall conform to ANSI A21.51, AWWA C151 and ANSI A21.11, AWWA C111. Pipe shall be manufactured in the United States.
The 10-point soil evaluation procedure for ductile iron pipe conforming to appendix A of the ANSI/AWWA C105/A21.5 standard shall be used to determine the corrosivity of the soils on a per project basis and whether or not polyethylene wrap is required for corrosion protection. If corrosion protection is required, the water main shall be wrapped with polyethylene wrap in accordance with ANSI/AWWA C105/A21.5.
All water mains shall have a minimum depth of cover of five and one-half feet (5.5') from the finish grade to the top of pipe or as noted on plans.
Brass wedges shall be installed at each push joint for electrical conductivity. Wedges shall be installed one hundred eighty degrees (180°) apart. Two (2) wedges shall be installed per joint for water main up to twelve inches (12") and two (2) pairs of two (2) wedges shall be installed per joint on water main larger than twelve inches (12").
Long radius curves, either horizontal or vertical, may be laid with standard pipe by deflections at the joints. Maximum deflections at pipe joints and laying radius for the various pipe lengths shall be in accordance with ANSI/AWWA C600. When rubber gasketed pipe is laid on a curve, the pipe shall be jointed in a straight alignment and then deflected to the curved alignment. Trenches shall be made wider on curves for this purpose.
All vertical water main adjustments shall be accomplished by deflection, not bends in the water main.
1. Water Main Protection: Water mains and water service lines shall be protected from sanitary sewers, storm sewers, combined sewers, house sewer service connections and drains in accordance with title 35: Environmental Protection Agency subtitle F: Public Water Supplies, chapter II: Environmental Protection Agency, parts 651 - 654 Technical Policy Statements, section 653.119.
Whenever possible, a water main must be laid at least ten feet (10') horizontally from any existing or proposed drain or sewer line. Should local conditions exist which would prevent a lateral separation of ten feet (10'), a water main may be laid closer than ten feet (10') to a storm or sanitary sewer provided that the water main invert is at least eighteen inches (18") above the crown of the sewer, and is either in a separate trench or in the same trench on an undisturbed earth shelf located to one side of the sewer. If it is impossible to obtain proper horizontal or vertical separation as described above, then the sewer must also be constructed of water main type material (ductile iron pipe with slip-on or mechanical joints, prestressed reinforced concrete pipe with ASTM C-443 joints, etc.) and pressure tested to the maximum expected surcharge head to assure water tightness before backfilling.
Whenever water mains must cross house sewers, storm sewers or sanitary sewers, the water main shall be laid at such an elevation that the invert of the water main is eighteen inches (18") above the crown of the drain or sewer. This vertical separation must be maintained for that portion of the water main located within ten feet (10') horizontally of any sewer or drain crossed. This must be measured as the normal distance from the water main to the drain or sewer. If it is impossible to obtain the proper vertical separation as described above or if it is necessary for the water main to pass under a sewer or drain, then the sewer must be constructed of water main type material (as noted above). This construction must extend on each side of the crossing until the normal distance from the water main to the sewer or drain line is at least ten feet (10'). In making such crossings, center a length of water main pipe over/under the sewer to be crossed so that the joints will be equidistant from the sewer and as remote therefrom as possible. Where a water main must cross under a sewer, a vertical separation of eighteen inches (18") between the invert of the sewer and the crown of the water main shall be maintained, along with means to support the larger sized sewer lines to prevent their settling and breaking the water main.
C. Fittings: All fittings shall be compact ductile iron and shall conform to ANSI/AWWA C153/421.53-84. Fittings shall be UL listed Class 350, Tyler Union, Griffin or approved equal. Fittings shall be manufactured in the United States.
All pipe and fittings shall be cement lined in accordance with ANSI/AWWA C104/421.4.
All fittings shall be mechanical joint and installed with retainer glands unless otherwise shown on the drawings.
Sleeves shall be Rockwell DI Coupling type 441, Tyler Union or approved equal. Sleeves shall be provided at locations shown on the plans or as required. The cost of sleeves is considered as incidental to the cost of the project.
D. Valves And Vaults: All gate valves shall have a non-rising stem, shall have a standard operating nut and shall open in a counter clockwise direction. Gate valves shall be American Flow Control series 2500 ductile iron resilient wedge gate valves in accordance with AWWA C-515 standard. All water main gate valves shall be installed in valve vaults.
Valve vault frames shall be IDOT type 1 (standard 604001) with concealed pickholes and all lids shall have "Village of Sugar Grove" and "WATER" cast into them.
Valve vaults shall be adjusted with precast concrete adjusting rings to a maximum of eight inches (8").
All valves on the water main except for fire hydrant auxiliary valves and service line valves shall be constructed within precast concrete valve vaults. Vault internal diameter shall be forty eight inches (48") for eight inch (8") diameter and smaller water mains, and a minimum of sixty inches (60") for water mains greater than eight inch (8") diameter. Valve vaults for pressure tap connections shall be sized as required by the Village Engineer. Height of adjusting rings shall not exceed eight inches (8"). All valve vaults shall be completely sealed with butyl rope joint sealant, including all component parts, barrels, adjusting rings and castings.
In paved areas, cast in place concrete blocking, a minimum of ten inches (10") thick, extending eighteen inches (18") out from the frame is required. The surface of the concrete blocking shall be set at the elevation of the bituminous binder course. In concrete pavement applications, the surface of the blocking shall match the finish pavement surface.
Valves shall be installed each second consecutive hydrant at intersecting line and other locations as required such that a minimum number of services will be affected during the main isolation. Valves shall be installed at easily accessible locations as determined by the Village Engineer such that the number of single family water services affected by a water main isolation shall be 12-16 services and/or such that the number of multi-family (duplex, townhome, condominium) water services affected by a water main isolation shall be 18-24 services. For water mains that run alongside lot lines, valves shall be installed wherever the main enters or exits the public right-of-way. All valve vaults shall be marked at the time of construction with a 4" x 4" hardwood post neatly installed vertically with a minimum four feet (4') bury and a minimum four feet (4') exposed. The top one foot (1') of the post shall be neatly painted blue.
All mechanical joint fittings, valves and hydrants shall be restrained with retainer glands. Retainer glands shall be EBAA iron series 1100 Megalug or approved equal.
CA-7 stone shall be utilized to backfill all around the operating nut on all valve boxes to prevent mud from penetrating valve boxes.
E. Pipe Restraint: All tees, bends, valves, and fire hydrants shall be adequately supported with a concrete base, and supported laterally with precast concrete thrust blocking (not poured-in- place) against undisturbed earth. The Village Engineer shall witness all thrust blocking, and it is the contractor's responsibility to contact the Village Engineer prior to backfilling such water system improvements.
In addition, all mechanical joint fittings, valves and hydrants shall be restrained with retainer glands. Retainer glands shall be EBAA iron series 1100 Megalug or approved equal. The Village Engineer shall witness all restrained joints, and it is the contractor's responsibility to contact the Village Engineer prior to backfilling such water system improvements.
For subdivision inspection, all thrust blocking and mechanical restraining systems shall be inspected by the Village Engineer prior to backfilling. Should the system be backfilled prior to inspection, the restraint system will have to be excavated by the contractor for inspection at no cost to the Village of Sugar Grove.
F. Fire Hydrants: All hydrants shall be in accordance with section four (4) of AWWA C502-54 standard and shall be an American Flow Control/Waterous Pacer model no. WB-67-250 (break away style traffic design) with one (1) 41/2-inch steamer nozzle and two (2) 21/2-inch hose outlets, of which the threads conform with the standards of the Village of Sugar Grove, Illinois. All hydrants shall have an auxiliary gate valve. Hydrant installations shall have 5.5 feet depth of cover. Hydrants shall be installed with a break-away traffic flange, pentagon nut and National Standard thread for fire service. Fire hydrants shall be placed three feet (3') from the back of curb to the center of the hydrant, or where there is no curb and gutter, the face of the pumper nozzle shall be located five feet (5') from the paved road edge. Center line of pumper nozzle shall be eighteen inches (18") to twenty inches (20") above finish grade line (sidewalk to curb).
All fire hydrants and any required adjustment fittings along a potable water main shall be factory painted red. All fire hydrants along a raw water main shall be factory painted emerald green with the paint code M4157 by Waterous. Fire hydrants designated by the Village shall be fitted with flags or markers of a type to be approved by the Village.
All fire hydrant valve boxes shall be heavy wall high density polyethylene American Flow Control trench adapters. Lids to be marked "Water" (valve box extensions if required are considered incidental). Open graded (CA-7) limestone shall be utilized to backfill around the operating nut on all valve boxes to prevent mud from penetrating the valve boxes.
Fire hydrants shall be installed throughout the subdivision, at each intersection, ends of each cul-de-sac and at intervals not exceeding three hundred feet (300') within residential areas. Fire hydrants in a nonresidential area may have closer spacing if required by the Village or fire protection district. They shall be located on the property line except at block corners where they shall be placed at the curb return point of curvature.
Adjustments to grade, if required, shall be made with American Flow Control extension kits.
Base elbows of hydrants shall be properly thrust blocked and shall be provided with clean washed stone (CA-7).
G. Water Services: All water services shall be constructed of type K copper pipe of such diameter as specified by Village ordinance and in accordance with AWWA publication M-22 entitled, "Water Service Lines and Meters". Service line diameter is dependent upon peak water demand and meter distance from the main. Minimum service diameter shall be one inch (1").
All water services shall be installed in accordance with the rules and regulations of the Illinois Plumbing Code and Illinois Plumbing License Law 1 . Per the Illinois Plumbing Code, an Illinois licensed plumber must perform the work associated with the water services. The work that must be performed by a licensed plumber includes but is not limited to the tap at the water main, service pipe installation, curb stop installation, b-box installation, connection to the existing water service and any other fittings required.
All water services shall be one inch (1") diameter type "K" copper pipe with compression connections. No joints will be allowed between the corporation stop and the curb stop. Material and installation will be in general accordance with AWWA C800. The underground water service pipe and the building sewer shall be not less than ten feet (10') apart horizontally and shall be separated by undisturbed or compacted earth.
Services shall be equipped with corporation stop, curb stop, and curb box. Curb stops and all water service lines shall have a minimum 5.5 feet of cover. The curb stop shall have a concrete block placed under it for support. All curb boxes shall be marked at the time of construction with a 4" x 4" hardwood post neatly installed vertically with a minimum three feet (3') bury and a minimum four feet (4') exposed. The top one foot (1') of the post shall be neatly painted blue.
Domestic services may not be tapped on dead end water mains unless approved by the Village Engineer.
The installation of the water service shall meet the latest version of "Standard Specifications for Water and Sewer Main Construction in Illinois", latest edition and governing Plumbing Codes. The water service pipe may be placed in the same trench with the building drain or building sewer if the conditions listed below are met:
1. The bottom of the water service pipe at all points shall be at least eighteen inches (18") above the top of the sewer line, while maintaining the minimum five and one-half feet (5.5') of cover.
2. The water service pipe shall be placed on a solid shelf excavated at one side of the common trench.
A ductile iron saddle with two (2) stainless steel straps and accessories is required for water services 1.5 inches or larger. All corporation stops, curb stops, and curb boxes shall be as follows:
Brand | Mueller | ||
Size | 1" | 1.5" | 2" |
Corporation stop | B-25008 | B-25008 | B-25008 |
Curb stop | B-25155 | B-25155 | B-25155 |
Curb box | H-10302 | H-10302-99007 | H-10302-99007 |
Brand | Ford | ||
Size | 1" | 1.5" | 2" |
Corporation stop | FB1000-4-Q | FB1000-6-Q | FB1000-7-Q |
Curb stop | B44-444-MQ | B44-666 MQ | B44-777 MQ |
Curb box | EM2-55-67 | EM2-55-67 | EM2-55-67 |
The buffalo boxes shall be set between the sidewalk and the house/building. It shall be placed either within the right- of-way (between the sidewalk and the right-of-way) or in an easement adjacent to the right-of-way within two feet (2') of the sidewalk. No buffalo box shall be allowed in a sidewalk, driveway or other paved surface. The location of all curb boxes shall be tied to each property corner with the location being included in the record drawings.
The Village shall witness all service taps greater than one inch (1") diameter. Accordingly, the developer/contractor shall contact the Village Engineer forty eight (48) hours in advance of the tap.
H. Tap Connections: All tap connections shall be made in accordance with these standard specifications and the Illinois Plumbing Code. Pressure connections are not allowed for same size pipes. Payments for all tap fees not otherwise provided for in this Code, Annexation Agreement or Development Agreement shall be paid prior to scheduling the tap with the Utilities Superintendent or his/her designated representative.
One inch (1") taps made on ductile iron pipe shall be direct and shall not require saddles. A ductile iron saddle with two (2) stainless steel straps and accessories is required for water services 1.5 inches or larger.
The Village shall witness all service taps greater than one inch (1") diameter. Accordingly, the developer/contractor shall contact the Village Engineer forty eight (48) hours in advance of the tap.
I. Pressure Connections: All pressure connections three inches (3") and larger shall be enclosed in a minimum of a forty eight inch (48") diameter concrete vault. The vault size shall be based on the valve size. Three inch (3") taps and greater shall be made through a resilient wedge tapping valve and a tapping sleeve.
Pressure connections are not allowed when the pipe to be tapped and the new pipe are the same size. For this type of situation, a cut in tee shall be used.
All pressure taps to an existing Village main shall be made with an American Flow Control series 2800 compact ductile iron mechanical joint tapping sleeve and an American Flow Control series 2500 ductile iron resilient wedge tapping valve (MJ x FL) and shall be constructed in a five foot (5') minimum diameter valve vault. All taps shall be performed by the contractor after payment of applicable connection fees and shall be witnessed by the Village. The Village Engineer should be notified forty eight (48) hours in advance of any tap.
J. Miscellaneous - Water Systems: Water valves and fire hydrants shall be operated by Village of Sugar Grove personnel only.
The contractor shall obtain, erect, maintain and remove all signs, barricades, flagmen and other control devices as may be necessary for the purpose of regulating, warning or guiding traffic. Placement and maintenance of all traffic control devices shall be in accordance with the applicable parts of article 107.14 of the Standard Specifications and the Illinois Manual On Uniform Traffic Control Devices for Streets and Highways. Contractor shall furnish a traffic control plan for IDOT or Village approval if required.
All work and materials shall be in accordance with code requirements.
The contractor shall restore any area disturbed to a condition equal to or better than its original use. This shall include finish grading, establishment of a vegetative cover (seeding or sod), general cleanup and pavement replacement.
The contractor shall be responsible for providing safe and healthful working conditions throughout the construction of the proposed improvements.
Before acceptance by the Village all work shall be inspected and approved by the Village or its representatives.
Easements for the existing utilities, both public and private, and utilities within public rights-of-way are shown on the plans according to available records. The contractor shall be responsible for determining the exact location in the field of these utility lines and their protection from damage due to construction operations. If existing utility lines of any nature are encountered which conflict in location with new construction, the contractor shall notify the engineer so that the conflict may be resolved.
K. Disinfection And Testing:
1. Hydrostatic Tests: The contractor shall perform hydrostatic tests in accordance with division IV, section 41 of the Standard Specifications for Water and Sewer Main Construction in Illinois, latest edition, and applicable provisions of AWWA C-600 and C-603. The water mains shall be pressure tested at one hundred fifty (150) psi. Allowable leakage shall be as set forth in AWWA C-600 latest edition. The maximum allowable leakage shall be based off of the first one thousand feet (1,000') of pipe (i.e., if 2,000 feet of pipe is being tested, the allowable leakage will be based on the first 1,000 feet only). The duration of the test shall be for two (2) hours minimum, and the maximum pressure drop during this two (2) hour period is a cumulative two (2) psi. To meet the testing requirements, the water main shall satisfy the pressure drop and the allowable leakage requirements. The gauge will be zeroed out before the pressure test begins. In addition, the pressure gauge used in the hydrostatic test shall be in two (2) psi increments or less and have a minimum of a three and one- half inch (31/2") diameter face. When testing ductile iron services, the permanent valve on the building riser shall be installed prior to pressure testing.
2. Disinfection Of The Water Mains: Upon completion of the newly laid water mains, the water mains shall be disinfected in accordance with the American Water Works Association, Procedure Designation, AWWA C-651, latest edition. The contractor is responsible for collecting samples and having bacteriological testing performed as required by the IEPA. The contractor shall furnish to the Village the required documentation, test results, etc., required by the IEPA for placing the water mains or service lines in service and/or securing an operating permit.
3. Village To Witness Various Activities: The developer/contractor shall contact the Village Engineer to schedule operation of valves, flush and fill, pressure test, chlorination, and sampling. The Village Engineer will contact the Village accordingly. The developer/contractor shall provide forty eight (48) hours notice prior to performing any of these work items. The following activities must be scheduled with the Village Engineer on independent days:
a. Flush and fill (water main/service shall then be pre-tested).
b. Pressure test (the gauge shall be zeroed out before the start of the test).
c. Chlorination.
d. 1st day of sampling.
e. 2nd day of sampling.
All water mains shall be pre-pressure tested prior to the actual pressure test the Village Engineer and/or the Village witnesses. (Ord. 2018-02-20, 2-20-2018)
Notes
| 1 | 1. 225 ILCS 320. |